Page last updated: 2024-11-03

protoporphyrin ix and Benign Neoplasms, Brain

protoporphyrin ix has been researched along with Benign Neoplasms, Brain in 106 studies

protoporphyrin IX: RN given refers to parent cpd; structure in Merck Index, 9th ed, #7685
protoporphyrin : A cyclic tetrapyrrole that consists of porphyrin bearing four methyl substituents at positions 3, 8, 13 and 17, two vinyl substituents at positions 7 and 12 and two 2-carboxyethyl substituents at positions 2 and 18. The parent of the class of protoporphyrins.

Research Excerpts

ExcerptRelevanceReference
"The utility of oral 5-aminolevulinic acid (5-ALA)/protoporphyrin fluorescence for the resection of high-grade gliomas is well documented."9.24A Phase 1 Dose-Escalation Study of Oral 5-Aminolevulinic Acid in Adult Patients Undergoing Resection of a Newly Diagnosed or Recurrent High-Grade Glioma. ( Amin, DV; Cozzens, JW; Espinosa, JA; Jones, BA; Lokaitis, BC; MacGregor, M; Michael, AP; Moore, BE, 2017)
"5-Aminolevulinic acid (ALA) has been widely used as an intravital fluorescence marker in the fluorescence-guided resection of malignant gliomas."9.055-Aminolevulinic Acid: Pitfalls of Fluorescence-guided Resection for Malignant Gliomas and Application for Malignant Glioma Therapy. ( Kitagawa, T; Miyaoka, R; Nakano, Y; Saito, T; Suzuki, K; Takamatsu, S; Yamamoto, J, 2020)
"5-aminolevulinic acid (5-ALA) - precursor of protoporphyrin IX (PpIX) - is utilized in fluorescence guided surgery (FGS) of high-grade gliomas."8.12Detection improvement of gliomas in hyperspectral imaging of protoporphyrin IX fluorescence - in vitro comparison of visual identification and machine thresholds. ( Bednarik, R; Elomaa, AP; Haneishi, H; Hauta-Kasari, M; Immonen, A; Jääskeläinen, JE; Kämäräinen, OP; Lehtonen, SJR; Paterno, JJ; Puustinen, S; Vrzakova, H, 2022)
"5-Aminolevulinic acid (5-ALA) induces fluorescence in high-grade glioma (HGG), which is used for resection."8.12Fluorescence real-time kinetics of protoporphyrin IX after 5-ALA administration in low-grade glioma. ( Black, D; Kaneko, S; Schipmann, S; Sporns, P; Stummer, W; Suero Molina, E, 2022)
"This study investigated the degree of tumor cell infiltration in the tumor cavity and ventricle wall based on fluorescent signals of 5-aminolevulinic acid (5-ALA) after removal of the magnetic resonance (MR)-enhancing area and analyzed its prognostic significance in glioblastoma."8.02Relationship between tumor cell infiltration and 5-aminolevulinic acid fluorescence signals after resection of MR-enhancing lesions and its prognostic significance in glioblastoma. ( Jang, W-; Jung, S; Jung, T-; Kim, I-; Kim, J-; Kim, S-; Lee, K-; Moon, K-, 2021)
"Five-aminolevulinic acid (5-ALA) is well established for fluorescence-guided resections of malignant gliomas by eliciting the accumulation of fluorescent protoporphyrin IX (PpIX) in tumors."7.91Fluorescence-Based Measurement of Real-Time Kinetics of Protoporphyrin IX After 5-Aminolevulinic Acid Administration in Human In Situ Malignant Gliomas. ( Ewelt, C; Kaneko, S; Stummer, W; Suero Molina, E; Warneke, N, 2019)
"Approximately 20% of low-grade gliomas (LGG) display visible protoporphyrin fluorescence during surgery after 5-aminolevulinic acid (5-ALA) administration."7.91Is Visible Aminolevulinic Acid-Induced Fluorescence an Independent Biomarker for Prognosis in Histologically Confirmed (World Health Organization 2016) Low-Grade Gliomas? ( Brokinkel, B; Ewelt, C; Grauer, O; Hasselblatt, M; Jaber, M; Stummer, W; Thomas, C; Wölfer, J, 2019)
"5-Aminolevulinic acid-induced PpIX fluorescence was assessed in GL261-Luc2 cells in vitro and in vivo after implantation in mouse brains, at an invading glioma growth stage, simulating residual tumor."7.88Scanning Fiber Endoscope Improves Detection of 5-Aminolevulinic Acid-Induced Protoporphyrin IX Fluorescence at the Boundary of Infiltrative Glioma. ( Belykh, E; Byvaltsev, VA; Hu, D; Martirosyan, NL; Miller, EJ; Nakaji, P; Nelson, LY; Preul, MC; Scheck, AC; Seibel, EJ; Woolf, EC, 2018)
"OBJECTIVE Fluorescence guidance with 5-aminolevulinic acid (5-ALA) helps improve resections of malignant gliomas."7.88Dual-labeling with 5-aminolevulinic acid and fluorescein for fluorescence-guided resection of high-grade gliomas: technical note. ( Brokinkel, B; Ehrhardt, A; Ewelt, C; Stummer, W; Suero Molina, E; Wölfer, J, 2018)
" 5-aminolevulinic acid (ALA) is metabolized to fluorescent protoporphyrin IX (PpIX) specifically in tumor cells, and therefore clinically used as a reagent for photodynamic diagnosis (PDD) and therapy (PDT) of cancers including gliomas."7.85Enhancement of 5-aminolevulinic acid-based fluorescence detection of side population-defined glioma stem cells by iron chelation. ( Hagiya, Y; Kokubu, Y; Murota, Y; Ogura, SI; Sugiyama, Y; Tabu, K; Taga, T; Wang, W, 2017)
"Fluorescence-guided surgery using 5-aminolevulinic acid (5-ALA) is now a widely-used modality for glioblastoma (GBM) treatment."7.85Glutaminase 2 expression is associated with regional heterogeneity of 5-aminolevulinic acid fluorescence in glioblastoma. ( Cho, HR; Choi, A; Choi, H; Choi, SH; Chowdhury, T; Dho, YS; Hwang, T; Kim, DG; Kim, H; Kim, HC; Kim, JE; Kim, JI; Kim, JW; Kim, S; Kim, SK; Kim, YH; Lee, SH; Park, CK; Park, S; Park, SH; Seo, Y; Shin, JY; Xu, WJ, 2017)
"5-Aminolevulinic acid (5-ALA) can accumulate protoporphyrin IX (PpIX) in tumour cell mitochondria and is well known for its utility in fluorescence-guided resection of malignant gliomas as a live molecular marker."7.855-Aminolevulinic acid enhances mitochondrial stress upon ionizing irradiation exposure and increases delayed production of reactive oxygen species and cell death in glioma cells. ( Kitagawa, T; Nakano, Y; Nishizawa, S; Tanaka, T; Ueta, K; Yamamoto, J, 2017)
"Previous studies in high-grade gliomas (HGGs) have indicated that protoporphyrin IX (PpIX) accumulates in higher concentrations in tumor tissue, and, when used to guide surgery, it has enabled improved resection leading to increased progression-free survival."7.81Quantitative fluorescence using 5-aminolevulinic acid-induced protoporphyrin IX biomarker as a surgical adjunct in low-grade glioma surgery. ( Harris, BT; Jacobs, V; Leblond, F; Paulsen, KD; Roberts, DW; Valdés, PA; Wilson, BC, 2015)
"We investigated the association between the cell density and intensity of 5-aminolevulinic acid-induced fluorescence of protoporphyrin IX in 3-dimensionally cultured C6 glioma cells."7.80[Determining the tumor-cell density required for macroscopic observation of 5-ALA-induced fluorescence of protoporphyrin IX in cultured glioma cells and clinical cases]. ( Andriana, B; Hashimoto, N; Kikuta, K; Kitai, R; Miyoshi, N; Neishi, H; Takeuchi, H, 2014)
"In recent years, 5-aminolevulinic acid (ALA)-induced protoporphyrin IX (PpIX) fluorescence guidance has been used as a surgical adjunct to improve the extent of resection of gliomas."7.78Gadolinium- and 5-aminolevulinic acid-induced protoporphyrin IX levels in human gliomas: an ex vivo quantitative study to correlate protoporphyrin IX levels and blood-brain barrier breakdown. ( Belden, CJ; Harris, BT; Kim, A; Moses, ZB; Paulsen, KD; Roberts, DW; Valdés, PA; Wilson, BC, 2012)
"These results indicate that 5-ALA fluorescence and (11) C-methionine PET image are separate index markers for cytoreduction surgery of gliomas."7.78¹¹C-methionine uptake and intraoperative 5-aminolevulinic acid-induced fluorescence as separate index markers of cell density in glioma: a stereotactic image-histological analysis. ( Arita, H; Fujimoto, Y; Hashimoto, N; Kagawa, N; Kinoshita, M; Kishima, H; Yoshimine, T, 2012)
"The basic mechanism of cell death induced by 5-aminolevulinic acid (5-ALA)-mediated photodynamic therapy (PDT) (ALA-PDT) in glioma cells has not been fully elucidated."7.74Massive apoptotic cell death of human glioma cells via a mitochondrial pathway following 5-aminolevulinic acid-mediated photodynamic therapy. ( Inoue, H; Kajimoto, Y; Kuroiwa, T; Miyatake, S; Miyoshi, N; Ogawa, N; Otsuki, Y; Shibata, MA, 2007)
"Malignant gliomas are locally invasive tumors that offer a poor prognosis."6.53Selective 5-aminolevulinic acid-induced protoporphyrin IX fluorescence in Gliomas. ( Ma, R; Watts, C, 2016)
"This finding suggests that the combined treatment of glioma cells with calcitriol plus ALA may provide an effective and selective therapeutic modality to enhance ALA-induced PpIX fluorescent quality for improving discrimination of tumor tissue and PDT efficacy."5.40Calcitriol enhances 5-aminolevulinic acid-induced fluorescence and the effect of photodynamic therapy in human glioma. ( Chen, X; Fu, C; Guan, H; Li, X; Liu, H; Liu, Y; Liu, Z; Teng, L; Wang, C; Wang, L; Yang, G; Yin, F; Zhang, D; Zhang, Y; Zhao, B; Zhao, S, 2014)
"5-Aminolevulinic acid (ALA) has shown promising in photodynamic detection and therapy of brain tumor."5.32Protoporphyrin IX production and its photodynamic effects on glioma cells, neuroblastoma cells and normal cerebellar granule cells in vitro with 5-aminolevulinic acid and its hexylester. ( Chen, JY; Peng, Q; Ren, QG; Wu, SM; Zhou, MO, 2003)
"OBJECTIVE The objective of this study was to detect 5-aminolevulinic acid (ALA)-induced tumor fluorescence from glioma below the surface of the surgical field by using red-light illumination."5.27Red-light excitation of protoporphyrin IX fluorescence for subsurface tumor detection. ( Bravo, JJ; Evans, LT; Fan, X; Kanick, SC; Kolste, KK; Leblond, F; Marois, M; Olson, JD; Paulsen, KD; Roberts, DW; Wilson, BC, 2018)
"The utility of oral 5-aminolevulinic acid (5-ALA)/protoporphyrin fluorescence for the resection of high-grade gliomas is well documented."5.24A Phase 1 Dose-Escalation Study of Oral 5-Aminolevulinic Acid in Adult Patients Undergoing Resection of a Newly Diagnosed or Recurrent High-Grade Glioma. ( Amin, DV; Cozzens, JW; Espinosa, JA; Jones, BA; Lokaitis, BC; MacGregor, M; Michael, AP; Moore, BE, 2017)
"Interstitial photodynamic therapy (iPDT) of non-resectable recurrent glioblastoma using 5-aminolevulinic acid (ALA)-induced protoporphyrin IX (PpIX) has shown a promising outcome."5.17Protoporphyrin IX fluorescence and photobleaching during interstitial photodynamic therapy of malignant gliomas for early treatment prognosis. ( Beyer, W; Egensperger, R; Faber, F; Johansson, A; Kniebühler, G; Kreth, FW; Sroka, R; Stepp, H, 2013)
" Qualitative fluorescence of protoporphyrin IX (PpIX), synthesized endogenously following δ-aminolevulinic acid (ALA) administration, has been used for this purpose in high-grade glioma (HGG)."5.15Quantitative fluorescence in intracranial tumor: implications for ALA-induced PpIX as an intraoperative biomarker. ( Erkmen, K; Fan, X; Harris, BT; Hartov, A; Ji, S; Kim, A; Leblond, F; Paulsen, KD; Roberts, DW; Simmons, NE; Tosteson, TD; Valdés, PA; Wilson, BC, 2011)
"Oral application of 20 mg/kg body weight of 5-aminolevulinic acid (ALA) leads to a highly specific accumulation of fluorescent Protoporphyrin IX (PPIX) in malignant glioma tissue."5.12ALA and malignant glioma: fluorescence-guided resection and photodynamic treatment. ( Beck, T; Kreth, FW; Meinel, T; Pongratz, T; Stepp, H; Stummer, W; Tonn, JCh, 2007)
"5-Aminolevulinic acid (ALA) has been widely used as an intravital fluorescence marker in the fluorescence-guided resection of malignant gliomas."5.055-Aminolevulinic Acid: Pitfalls of Fluorescence-guided Resection for Malignant Gliomas and Application for Malignant Glioma Therapy. ( Kitagawa, T; Miyaoka, R; Nakano, Y; Saito, T; Suzuki, K; Takamatsu, S; Yamamoto, J, 2020)
"The importance of the extent of resection for gliomas, and the utility of aminolevulinic acid (ALA) and protoporphyrin IX fluorescence in increasing the extent of resection, has become increasingly evident over the past decade."4.88Aminolevulinic acid (ALA)-protoporphyrin IX fluorescence guided tumour resection. Part 2: theoretical, biochemical and practical aspects. ( Colditz, MJ; Jeffree, RL; Leyen, Kv, 2012)
"Conventionary, we use 5-aminolevulinic acid (5-ALA) for photo-dynamic diagnosis in the removal of malignant gliomas."4.85[Intraoperative photo-dynamic diagnosis of brain tumors]. ( Kajimoto, Y; Kuroiwa, T; Miyatake, S, 2009)
"5-aminolevulinic acid (5-ALA) - precursor of protoporphyrin IX (PpIX) - is utilized in fluorescence guided surgery (FGS) of high-grade gliomas."4.12Detection improvement of gliomas in hyperspectral imaging of protoporphyrin IX fluorescence - in vitro comparison of visual identification and machine thresholds. ( Bednarik, R; Elomaa, AP; Haneishi, H; Hauta-Kasari, M; Immonen, A; Jääskeläinen, JE; Kämäräinen, OP; Lehtonen, SJR; Paterno, JJ; Puustinen, S; Vrzakova, H, 2022)
"5-Aminolevulinic acid (5-ALA) induces fluorescence in high-grade glioma (HGG), which is used for resection."4.12Fluorescence real-time kinetics of protoporphyrin IX after 5-ALA administration in low-grade glioma. ( Black, D; Kaneko, S; Schipmann, S; Sporns, P; Stummer, W; Suero Molina, E, 2022)
"This study evaluated the use of molecular imaging of fluorescent glucose analog 2-(N-(7-nitrobenz-2-oxa-1,3-diazol-4-yl)amino)-2-deoxyglucose (2-NBDG) as a discriminatory marker for intraoperative tumor border identification in a murine glioma model."4.02Molecular Imaging of Glucose Metabolism for Intraoperative Fluorescence Guidance During Glioma Surgery. ( Bardonova, L; Belykh, E; Eschbacher, JM; George, LL; Georges, JF; Healey, DR; Jubran, JH; Mehta, S; Nakaji, P; Preul, MC; Quarles, CC; Scheck, AC, 2021)
"This study investigated the degree of tumor cell infiltration in the tumor cavity and ventricle wall based on fluorescent signals of 5-aminolevulinic acid (5-ALA) after removal of the magnetic resonance (MR)-enhancing area and analyzed its prognostic significance in glioblastoma."4.02Relationship between tumor cell infiltration and 5-aminolevulinic acid fluorescence signals after resection of MR-enhancing lesions and its prognostic significance in glioblastoma. ( Jang, W-; Jung, S; Jung, T-; Kim, I-; Kim, J-; Kim, S-; Lee, K-; Moon, K-, 2021)
"Approximately 20% of low-grade gliomas (LGG) display visible protoporphyrin fluorescence during surgery after 5-aminolevulinic acid (5-ALA) administration."3.91Is Visible Aminolevulinic Acid-Induced Fluorescence an Independent Biomarker for Prognosis in Histologically Confirmed (World Health Organization 2016) Low-Grade Gliomas? ( Brokinkel, B; Ewelt, C; Grauer, O; Hasselblatt, M; Jaber, M; Stummer, W; Thomas, C; Wölfer, J, 2019)
"Five-aminolevulinic acid (5-ALA) is well established for fluorescence-guided resections of malignant gliomas by eliciting the accumulation of fluorescent protoporphyrin IX (PpIX) in tumors."3.91Fluorescence-Based Measurement of Real-Time Kinetics of Protoporphyrin IX After 5-Aminolevulinic Acid Administration in Human In Situ Malignant Gliomas. ( Ewelt, C; Kaneko, S; Stummer, W; Suero Molina, E; Warneke, N, 2019)
"5-Aminolevulinic acid (5-ALA)-guided resection of gliomas in adults enables better delineation between tumor and normal brain, allowing improved resection and improved patients' outcome."3.91Spectroscopic measurement of 5-ALA-induced intracellular protoporphyrin IX in pediatric brain tumors. ( Brentrup, A; Kaneko, S; Köchling, M; Müther, M; Schipmann, S; Schwake, M; Stummer, W; Suero Molina, E, 2019)
"5-Aminolevulinic acid-induced PpIX fluorescence was assessed in GL261-Luc2 cells in vitro and in vivo after implantation in mouse brains, at an invading glioma growth stage, simulating residual tumor."3.88Scanning Fiber Endoscope Improves Detection of 5-Aminolevulinic Acid-Induced Protoporphyrin IX Fluorescence at the Boundary of Infiltrative Glioma. ( Belykh, E; Byvaltsev, VA; Hu, D; Martirosyan, NL; Miller, EJ; Nakaji, P; Nelson, LY; Preul, MC; Scheck, AC; Seibel, EJ; Woolf, EC, 2018)
"OBJECTIVE Fluorescence guidance with 5-aminolevulinic acid (5-ALA) helps improve resections of malignant gliomas."3.88Dual-labeling with 5-aminolevulinic acid and fluorescein for fluorescence-guided resection of high-grade gliomas: technical note. ( Brokinkel, B; Ehrhardt, A; Ewelt, C; Stummer, W; Suero Molina, E; Wölfer, J, 2018)
"Protoporphyrin IX (PpIX) induced by 5-aminolevulinic acid (5-ALA) is increasingly used as a fluorescent marker for fluorescence-guided resection of malignant gliomas."3.88Optical Characterization of Neurosurgical Operating Microscopes: Quantitative Fluorescence and Assessment of PpIX Photobleaching. ( Belykh, E; Bozkurt, B; Lawton, MT; Miller, EJ; Nakaji, P; Nelson, LY; Patel, AA; Preul, MC; Robinson, TR; Seibel, EJ; Spetzler, RF; Yağmurlu, K, 2018)
"Mapping the optical absorption and scattering properties of tissues using spatial frequency-domain imaging (SFDI) enhances quantitative fluorescence imaging of protoporphyrin IX (PpIX) in gliomas in the preclinical setting."3.88Feasibility of using spatial frequency-domain imaging intraoperatively during tumor resection. ( Olson, J; Paulsen, K; Roberts, DW; Sibai, M; Wilson, BC; Wirth, D, 2018)
" 5-aminolevulinic acid (ALA) is metabolized to fluorescent protoporphyrin IX (PpIX) specifically in tumor cells, and therefore clinically used as a reagent for photodynamic diagnosis (PDD) and therapy (PDT) of cancers including gliomas."3.85Enhancement of 5-aminolevulinic acid-based fluorescence detection of side population-defined glioma stem cells by iron chelation. ( Hagiya, Y; Kokubu, Y; Murota, Y; Ogura, SI; Sugiyama, Y; Tabu, K; Taga, T; Wang, W, 2017)
"Fluorescence guided surgery (FGS) using aminolevulinic-acid (ALA) induced protoporphyrin IX (PpIX) provides intraoperative visual contrast between normal and malignant tissue during resection of high grade gliomas."3.85Hyperspectral data processing improves PpIX contrast during fluorescence guided surgery of human brain tumors. ( Bravo, JJ; Davis, SC; Kanick, SC; Olson, JD; Paulsen, KD; Roberts, DW, 2017)
"Fluorescence-guided surgery using 5-aminolevulinic acid (5-ALA) is now a widely-used modality for glioblastoma (GBM) treatment."3.85Glutaminase 2 expression is associated with regional heterogeneity of 5-aminolevulinic acid fluorescence in glioblastoma. ( Cho, HR; Choi, A; Choi, H; Choi, SH; Chowdhury, T; Dho, YS; Hwang, T; Kim, DG; Kim, H; Kim, HC; Kim, JE; Kim, JI; Kim, JW; Kim, S; Kim, SK; Kim, YH; Lee, SH; Park, CK; Park, S; Park, SH; Seo, Y; Shin, JY; Xu, WJ, 2017)
"5-Aminolevulinic acid (5-ALA) can accumulate protoporphyrin IX (PpIX) in tumour cell mitochondria and is well known for its utility in fluorescence-guided resection of malignant gliomas as a live molecular marker."3.855-Aminolevulinic acid enhances mitochondrial stress upon ionizing irradiation exposure and increases delayed production of reactive oxygen species and cell death in glioma cells. ( Kitagawa, T; Nakano, Y; Nishizawa, S; Tanaka, T; Ueta, K; Yamamoto, J, 2017)
" The prodrugs display reduced acute toxicity compared to 5-ALA-Hex with superior dose response profiles of protoporphyrin IX synthesis and fluorescence intensity in human glioblastoma cells in vitro."3.83Tunable phosphatase-sensitive stable prodrugs of 5-aminolevulinic acid for tumor fluorescence photodetection. ( Allémann, E; Ateb, I; Babič, A; Herceg, V; Lange, N, 2016)
"Previous studies in high-grade gliomas (HGGs) have indicated that protoporphyrin IX (PpIX) accumulates in higher concentrations in tumor tissue, and, when used to guide surgery, it has enabled improved resection leading to increased progression-free survival."3.81Quantitative fluorescence using 5-aminolevulinic acid-induced protoporphyrin IX biomarker as a surgical adjunct in low-grade glioma surgery. ( Harris, BT; Jacobs, V; Leblond, F; Paulsen, KD; Roberts, DW; Valdés, PA; Wilson, BC, 2015)
"We investigated the association between the cell density and intensity of 5-aminolevulinic acid-induced fluorescence of protoporphyrin IX in 3-dimensionally cultured C6 glioma cells."3.80[Determining the tumor-cell density required for macroscopic observation of 5-ALA-induced fluorescence of protoporphyrin IX in cultured glioma cells and clinical cases]. ( Andriana, B; Hashimoto, N; Kikuta, K; Kitai, R; Miyoshi, N; Neishi, H; Takeuchi, H, 2014)
"Good quality protoporphyrin IX fluorescence was acquired using the surgical loupe system during glioblastoma resection, which was nearly identical to that acquired by fluorescent microscopy."3.79A surgical loupe system for observing protoporphyrin IX fluorescence in high-grade gliomas after administering 5-aminolevulinic acid. ( Furuse, M; Kajimoto, Y; Kuroiwa, T; Miyatake, S, 2013)
"These results indicate that 5-ALA fluorescence and (11) C-methionine PET image are separate index markers for cytoreduction surgery of gliomas."3.78¹¹C-methionine uptake and intraoperative 5-aminolevulinic acid-induced fluorescence as separate index markers of cell density in glioma: a stereotactic image-histological analysis. ( Arita, H; Fujimoto, Y; Hashimoto, N; Kagawa, N; Kinoshita, M; Kishima, H; Yoshimine, T, 2012)
"In recent years, 5-aminolevulinic acid (ALA)-induced protoporphyrin IX (PpIX) fluorescence guidance has been used as a surgical adjunct to improve the extent of resection of gliomas."3.78Gadolinium- and 5-aminolevulinic acid-induced protoporphyrin IX levels in human gliomas: an ex vivo quantitative study to correlate protoporphyrin IX levels and blood-brain barrier breakdown. ( Belden, CJ; Harris, BT; Kim, A; Moses, ZB; Paulsen, KD; Roberts, DW; Valdés, PA; Wilson, BC, 2012)
" Experiments with protoporphyrin IX in a glioma rodent model demonstrate in vivo quantitative and spectrally-resolved fluorescence imaging of infiltrating tumor margins for the first time."3.78Quantitative, spectrally-resolved intraoperative fluorescence imaging. ( Jacobs, VL; Leblond, F; Paulsen, KD; Roberts, DW; Valdés, PA; Wilson, BC, 2012)
" In recent clinical studies, fluorescence monitoring during iPDT of glioblastoma multiforme has revealed patient-specific accumulation of photosensitizer (aminolevulinic acid (ALA) induced protoporphyrin IX, PpIX) and its photobleaching kinetics."3.77Photobleaching-based method to individualize irradiation time during interstitial 5-aminolevulinic acid photodynamic therapy. ( Hennig, G; Johansson, A; Stepp, H, 2011)
"The basic mechanism of cell death induced by 5-aminolevulinic acid (5-ALA)-mediated photodynamic therapy (PDT) (ALA-PDT) in glioma cells has not been fully elucidated."3.74Massive apoptotic cell death of human glioma cells via a mitochondrial pathway following 5-aminolevulinic acid-mediated photodynamic therapy. ( Inoue, H; Kajimoto, Y; Kuroiwa, T; Miyatake, S; Miyoshi, N; Ogawa, N; Otsuki, Y; Shibata, MA, 2007)
"Protoporphyrin IX (PPIX) fluorescence-guided brain tumor resection using 5-aminolevulinic acid labeling is one of the most valuable tools available to determine the extent of glioma infiltration, but requires repeated spectroscopic evaluation of the tissue."3.74Auditory alert system for fluorescence-guided resection of gliomas. ( Fujii, K; Miyajima, Y; Oka, H; Shimizu, S; Suzuki, S; Utsuki, S, 2008)
"Malignant gliomas accumulate fluorescing protoporphyrin IX intracellularly after exposure to 5-aminolevulinic acid, a metabolic precursor of haem."3.70Technical principles for protoporphyrin-IX-fluorescence guided microsurgical resection of malignant glioma tissue. ( Ehrhardt, A; Leonhard, M; Möller, G; Reulen, HJ; Stepp, H; Stummer, W, 1998)
"Patients with suspected high-grade brain tumors are given 5-ALA 4 h prior to stereotactic biopsy."2.775-Aminolevulinic acid-induced protoporphyrin IX fluorescence as immediate intraoperative indicator to improve the safety of malignant or high-grade brain tumor diagnosis in frameless stereotactic biopsies. ( Hefti, M; Moschopulos, M; von Campe, G, 2012)
"A better understanding of why cancer cells fluoresce with 5-ALA would improve its use in cancer diagnostics and therapies."2.61In order for the light to shine so brightly, the darkness must be present-why do cancers fluoresce with 5-aminolaevulinic acid? ( Gleadle, JM; MacGregor, MN; McNicholas, K, 2019)
"Malignant gliomas are locally invasive tumors that offer a poor prognosis."2.53Selective 5-aminolevulinic acid-induced protoporphyrin IX fluorescence in Gliomas. ( Ma, R; Watts, C, 2016)
"Primary brain tumors occur in around 250,000 people per year globally."2.52Critical role of ABCG2 in ALA-photodynamic diagnosis and therapy of human brain tumor. ( Ikegami, Y; Inoue, Y; Ishikawa, T; Kajimoto, Y; Kuroiwa, T, 2015)
"FLIm measurements of resection margins presented a range of PpIX and NAD(P)H lifetime values (τPpIX       ∼  3 to 14 ns, τNAD(P)H  =  3 to 6 ns) associated with unaffected tissue and areas of low-density tumor infiltration."1.72First in patient assessment of brain tumor infiltrative margins using simultaneous time-resolved measurements of 5-ALA-induced PpIX fluorescence and tissue autofluorescence. ( Alfonso-García, A; Anbunesan, SN; Bec, J; Bloch, O; Fereidouni, F; Jin, LW; Lee, HS; Marcu, L; Zhou, X, 2022)
"Gliomas are infiltrative brain tumors with a margin difficult to identify."1.56Machine learning-based prediction of glioma margin from 5-ALA induced PpIX fluorescence spectroscopy. ( Alston, L; Brevet, PF; Frindel, C; Guyotat, J; Leclerc, P; Mahieu-Williame, L; Meyronet, D; Montcel, B; Ray, C; Rousseau, D, 2020)
"Malignant gliomas are highly invasive, difficult to treat, and account for 2% of cancer deaths worldwide."1.46ALA-PpIX mediated photodynamic therapy of malignant gliomas augmented by hypothermia. ( Chen, Y; Eubanks, JH; Fisher, CJ; Foltz, W; Lilge, L; Niu, C; Sidorova-Darmos, E, 2017)
"This finding suggests that the combined treatment of glioma cells with calcitriol plus ALA may provide an effective and selective therapeutic modality to enhance ALA-induced PpIX fluorescent quality for improving discrimination of tumor tissue and PDT efficacy."1.40Calcitriol enhances 5-aminolevulinic acid-induced fluorescence and the effect of photodynamic therapy in human glioma. ( Chen, X; Fu, C; Guan, H; Li, X; Liu, H; Liu, Y; Liu, Z; Teng, L; Wang, C; Wang, L; Yang, G; Yin, F; Zhang, D; Zhang, Y; Zhao, B; Zhao, S, 2014)
"Complete removal of malignant gliomas is important for the prognosis in neurosurgery treatment."1.39Automatic laser scanning ablation system for high-precision treatment of brain tumors. ( Ando, T; Fujiwara, K; Iseki, H; Kobayashi, E; Liao, H; Maruyama, T; Muragaki, Y; Sakuma, I, 2013)
"Fluorescence-guided resection (FGR) of brain tumors is an intuitive, practical and emerging technology for visually delineating neoplastic tissue exposed intraoperatively."1.36Estimation of brain deformation for volumetric image updating in protoporphyrin IX fluorescence-guided resection. ( Fan, X; Harris, BT; Ji, S; Paulsen, KD; Roberts, DW; Valdés, PA, 2010)
"Patients with metastatic brain tumors (n = 11) received 1 g of 5-aminolevulinic acid (5-ALA) perorally 2 h before undergoing surgery."1.34Fluorescence-guided resection of metastatic brain tumors using a 5-aminolevulinic acid-induced protoporphyrin IX: pathological study. ( Fujii, K; Miyajima, Y; Miyoshi, N; Oka, H; Shimizu, S; Suzuki, S; Utsuki, S, 2007)
"5-Aminolevulinic acid (ALA) has shown promising in photodynamic detection and therapy of brain tumor."1.32Protoporphyrin IX production and its photodynamic effects on glioma cells, neuroblastoma cells and normal cerebellar granule cells in vitro with 5-aminolevulinic acid and its hexylester. ( Chen, JY; Peng, Q; Ren, QG; Wu, SM; Zhou, MO, 2003)
"We compared resection completeness and residual tumor, determined by histopathology, after white light resection (WLR) using an operating microscope versus additional fluorescence guided resection (FGR)."1.32Increased brain tumor resection using fluorescence image guidance in a preclinical model. ( Bilbao, JM; Bogaards, A; Collens, SP; Giles, A; Lilge, LD; Lin, A; Muller, PJ; Varma, A; Wilson, BC; Yang, VX, 2004)
"For clinical PDT of most adult intracranial neoplasms ALA-induced PpIX appears to be promising, and SnET2 (liposomal) has potential for selective tumor destruction with relative sparing of white matter."1.30Photodynamic therapy of intracranial tissues: a preclinical comparative study of four different photosensitizers. ( Lilge, L; Wilson, BC, 1998)

Research

Studies (106)

TimeframeStudies, this research(%)All Research%
pre-19900 (0.00)18.7374
1990's2 (1.89)18.2507
2000's21 (19.81)29.6817
2010's69 (65.09)24.3611
2020's14 (13.21)2.80

Authors

AuthorsStudies
Black, D3
Kaneko, S5
Walke, A1
König, S1
Stummer, W13
Suero Molina, E6
Alfonso-García, A1
Zhou, X1
Bec, J1
Anbunesan, SN1
Fereidouni, F1
Jin, LW1
Lee, HS1
Bloch, O1
Marcu, L1
Lehtonen, SJR1
Vrzakova, H1
Paterno, JJ1
Puustinen, S1
Bednarik, R1
Hauta-Kasari, M1
Haneishi, H1
Immonen, A1
Jääskeläinen, JE1
Kämäräinen, OP1
Elomaa, AP1
Marois, M2
Olson, JD3
Wirth, DJ1
Elliott, JT1
Fan, X5
Davis, SC2
Paulsen, KD12
Roberts, DW13
Mischkulnig, M1
Traxler, D1
Wadiura, LI1
Lang, A1
Millesi, M1
Kiesel, B3
Widhalm, G3
McNicholas, K1
MacGregor, MN1
Gleadle, JM1
Schwake, M2
Müther, M1
Schipmann, S3
Köchling, M1
Brentrup, A1
Piffaretti, D1
Burgio, F1
Thelen, M1
Kaelin-Lang, A1
Paganetti, P1
Reinert, M1
D'Angelo, ML1
Leclerc, P1
Ray, C1
Mahieu-Williame, L1
Alston, L1
Frindel, C1
Brevet, PF1
Meyronet, D1
Guyotat, J3
Montcel, B1
Rousseau, D1
Moiyadi, A1
Shetty, P1
Sridhar, E1
Gota, V1
Gurjar, M1
Saicharan, G1
Singh, V1
Srivastava, S1
Stögbauer, L1
Jeibmann, A2
Warneke, N2
Yamamoto, J3
Kitagawa, T3
Miyaoka, R1
Suzuki, K1
Takamatsu, S1
Saito, T1
Nakano, Y3
Kim, J-2
Jung, T-1
Jung, S1
Kim, I-1
Jang, W-1
Moon, K-1
Kim, S-1
Lee, K-1
Müller, P1
Abdel Gaber, SA1
Zimmermann, W1
Wittig, R1
Stepp, H8
Erkkilä, MT1
Reichert, D1
Gesperger, J1
Roetzer, T1
Mercea, PA1
Drexler, W1
Unterhuber, A1
Leitgeb, RA1
Woehrer, A2
Rueck, A1
Andreana, M1
Belykh, E3
Jubran, JH1
George, LL1
Bardonova, L1
Healey, DR1
Georges, JF1
Quarles, CC1
Eschbacher, JM1
Mehta, S1
Scheck, AC2
Nakaji, P3
Preul, MC3
Sporns, P1
Wölfer, J2
Ewelt, C5
Ehrhardt, A2
Brokinkel, B2
Wei, L1
Chen, Y2
Yin, C1
Borwege, S1
Sanai, N1
Liu, JTC1
Cozzens, JW1
Lokaitis, BC1
Moore, BE1
Amin, DV1
Espinosa, JA1
MacGregor, M1
Michael, AP1
Jones, BA1
Fisher, CJ1
Niu, C2
Foltz, W1
Sidorova-Darmos, E1
Eubanks, JH1
Lilge, L3
Evans, LT1
Kolste, KK1
Kanick, SC2
Bravo, JJ2
Wilson, BC14
Leblond, F7
Dupont, C1
Vignion, AS1
Mordon, S2
Reyns, N2
Vermandel, M2
Hahn, HK1
Kikinis, R1
Wårdell, K2
Haj-Hosseini, N3
Kim, S1
Kim, JE1
Kim, YH1
Hwang, T1
Kim, SK1
Xu, WJ1
Shin, JY1
Kim, JI1
Choi, H1
Kim, HC1
Cho, HR1
Choi, A1
Chowdhury, T1
Seo, Y1
Dho, YS1
Kim, JW1
Kim, DG1
Park, SH1
Kim, H1
Choi, SH1
Park, S1
Lee, SH1
Park, CK1
Yagi, R1
Kawabata, S1
Ikeda, N1
Nonoguchi, N1
Furuse, M2
Katayama, Y2
Kajimoto, Y6
Kuroiwa, T6
Miller, EJ2
Hu, D1
Martirosyan, NL1
Woolf, EC1
Byvaltsev, VA1
Nelson, LY2
Seibel, EJ2
Nemes, A1
Dondrop, J1
Schroeteler, J1
Senner, V1
Jaber, M1
Thomas, C1
Hasselblatt, M1
Grauer, O1
Patel, AA1
Bozkurt, B1
Yağmurlu, K1
Robinson, TR1
Spetzler, RF1
Lawton, MT1
Kröger, S1
Niehoff, AC1
Sperling, M1
Paulus, W1
Karst, U1
Wirth, D1
Sibai, M1
Olson, J1
Paulsen, K1
Omoto, K1
Matsuda, R1
Nakai, Y1
Tatsumi, Y1
Nakazawa, T1
Tanaka, Y1
Shida, Y1
Murakami, T1
Nishimura, F1
Nakagawa, I1
Motoyama, Y1
Nakamura, M1
Fujimoto, K1
Hiroyuki, N1
Kamp, MA2
Knipps, J3
Neumann, LM2
Mijderwijk, HJ2
Dibué-Adjei, M2
Steiger, HJ3
Slotty, PJ1
Rapp, M2
Cornelius, JF3
Sabel, M2
Fischer, I2
Freiin von Saß, C1
Placke, JM2
Johansson, A2
Faber, F1
Kniebühler, G1
Sroka, R1
Egensperger, R1
Beyer, W2
Kreth, FW3
Roberts, HW1
Donati-Bourne, JF1
Wilson, VL1
Wilton, JC1
Fillon, M1
Suzuki, T2
Wada, S1
Eguchi, H1
Adachi, J1
Mishima, K1
Matsutani, M1
Nishikawa, R2
Nishiyama, M1
Chen, X2
Wang, C1
Teng, L2
Liu, Y1
Yang, G2
Wang, L1
Liu, H1
Liu, Z1
Zhang, D1
Zhang, Y1
Guan, H1
Li, X1
Fu, C1
Zhao, B1
Yin, F1
Zhao, S1
Traub-Weidinger, T1
Preusser, M1
Marosi, C1
Prayer, D1
Hainfellner, JA1
Knosp, E1
Wolfsberger, S1
Miyatake, S4
Petterssen, M1
Eljamel, S2
Kitai, R1
Takeuchi, H1
Miyoshi, N3
Andriana, B1
Neishi, H1
Hashimoto, N2
Kikuta, K1
Tanaka, T2
Akiba, D1
Ueta, K2
Nishizawa, S2
Ishikawa, T1
Inoue, Y1
Ikegami, Y1
Richter, JC1
Hallbeck, M1
Leroy, HA1
Lejeune, JP1
Valdés, PA9
Jacobs, V1
Harris, BT6
Pallud, J1
Armoiry, X2
Pavlov, V1
Metellus, P1
Markwardt, NA1
Hollnburger, B1
Zelenkov, P1
Rühm, A1
Babič, A1
Herceg, V1
Ateb, I1
Allémann, E1
Lange, N1
Ma, R1
Watts, C1
Schimanski, A1
Ebbert, L1
Sabel, MC1
Finocchiaro, G1
Lamszus, K1
Etminan, N1
Fischer, JC1
Sorg, RV1
Pustogarov, N1
Panteleev, D1
Goryaynov, SA1
Ryabova, AV1
Rybalkina, EY1
Revishchin, A1
Potapov, AA2
Pavlova, G1
Kamp, M1
Wang, W1
Tabu, K1
Hagiya, Y1
Sugiyama, Y1
Kokubu, Y1
Murota, Y1
Ogura, SI1
Taga, T1
Gibbs-Strauss, SL1
O'Hara, JA1
Srinivasan, S1
Hoopes, PJ1
Hasan, T1
Pogue, BW2
Ji, S3
El-Zaria, ME1
Ban, HS1
Nakamura, H1
Fontaine, KM1
Hartov, A2
Lollis, SS1
Tosteson, TD3
Engh, JA1
Tanaka, S1
Nakada, M1
Hayashi, Y2
Nakada, S1
Sawada-Kitamura, S1
Furuyama, N1
Kamide, T1
Yano, S1
Hamada, J1
Ando, T2
Kobayashi, E3
Liao, H2
Maruyama, T3
Muragaki, Y3
Iseki, H3
Kubo, O1
Sakuma, I3
Ikeda, D1
Chiocca, EA1
Kim, A4
Erkmen, K1
Simmons, NE1
Brantsch, M1
Moses, ZB2
Arita, H1
Kinoshita, M1
Kagawa, N1
Fujimoto, Y1
Kishima, H1
Yoshimine, T1
Hennig, G1
von Campe, G1
Moschopulos, M1
Hefti, M1
Konecky, SD1
Owen, CM1
Rice, T1
Kolste, K1
Tromberg, BJ1
Zhao, SG1
Chen, XF1
Wang, LG1
Han, DY1
Yang, MC1
Wang, DY1
Shi, C1
Liu, YH1
Zheng, BJ1
Shi, CB1
Gao, X1
Rainov, NG1
Fujiwara, K1
Belden, CJ1
Colditz, MJ2
Jeffree, RL2
Leyen, Kv1
Jacobs, VL1
Gavrilov, AG1
Goriaĭnov, SA1
Gol'bin, DA1
Zelenkov, PV1
Kobiakov, GL1
Okhlopkov, VA1
Zhukov, VIu1
Shishkina, LV1
Shukhraĭ, VA1
Loshchenov, VB1
Savel'eva, TA1
Grachev, PV1
Kholodtsova, MN1
Kuz'min, SG1
Vorozhtsov, GN1
Jacquesson, T1
Ducray, F1
Maucort-Boulch, D1
Louis-Tisserand, G1
Mbaye, M1
Pelissou-Guyotat, I1
Reulen, HJ2
Novotny, A1
Tonn, JC1
Wu, SM1
Ren, QG1
Zhou, MO1
Peng, Q2
Chen, JY1
Olivo, M1
Bogaards, A1
Varma, A1
Collens, SP1
Lin, A1
Giles, A1
Yang, VX1
Bilbao, JM1
Lilge, LD1
Muller, PJ1
Hirschberg, H1
Sørensen, DR1
Angell-Petersen, E1
Tromberg, B1
Sun, CH1
Spetalen, S1
Madsen, S1
Yamaguchi, F1
Teramoto, A1
Takahashi, H1
Inoue, H1
Shibata, MA1
Ogawa, N1
Otsuki, Y1
Ishihara, R1
Watanabe, T1
Yoshino, A1
Fukushima, T1
Sakatani, K1
Noguchi, M1
Aoki, E1
Yoshida, D1
Omori, S1
Nakamura, K1
Tamura, Y1
Miki, Y1
Tsuji, M1
Beck, TJ1
Mehrkens, JH1
Obermeier, A1
Baumgartner, R1
Lassalle, HP1
Baumann, H1
Strauss, WS1
Schneckenburger, H1
Beck, T1
Pongratz, T1
Meinel, T1
Tonn, JCh1
Utsuki, S2
Oka, H2
Miyajima, Y2
Shimizu, S2
Suzuki, S2
Fujii, K2
Möller, G1
Leonhard, M1
Eléouet, S1
Rousset, N1
Carré, J1
Vonarx, V1
Vilatte, C1
Louët, C1
Lajat, Y1
Patrice, T1
Portnoy, M1

Clinical Trials (5)

Trial Overview

TrialPhaseEnrollmentStudy TypeStart DateStatus
5-Aminolevulinic Acid (5-ALA) Gliolan®: Usage Increase Proposal for Neurosurgical Procedures in High-Grade Gliomas[NCT05850377]90 participants (Anticipated)Observational2023-06-01Not yet recruiting
Quantification of ALA-induced PpIX Fluorescence During Brain Tumor Resection[NCT02191488]Phase 1540 participants (Anticipated)Interventional2014-07-31Active, not recruiting
Pilot Study Evaluating the Optimization of the ORBEYE Blue Light Filter During Fluorescence-Guided Resection of Gliomas[NCT04937244]Phase 410 participants (Anticipated)Interventional2021-05-13Recruiting
Diagnostic Performance of Fluorescein as an Intraoperative Brain Tumor Biomarker: Correlation With Preoperative MR, ALA-induced PpIX Fluorescence, and Histopathology[NCT02691923]Phase 230 participants (Anticipated)Interventional2016-03-31Recruiting
Indoor Daylight Photo Dynamic Therapy (PDT) for Actinic Keratosis[NCT03805737]43 participants (Actual)Interventional2019-11-01Completed
[information is prepared from clinicaltrials.gov, extracted Sep-2024]

Reviews

14 reviews available for protoporphyrin ix and Benign Neoplasms, Brain

ArticleYear
In order for the light to shine so brightly, the darkness must be present-why do cancers fluoresce with 5-aminolaevulinic acid?
    British journal of cancer, 2019, Volume: 121, Issue:8

    Topics: Amino Acid Transport Systems; Aminolevulinic Acid; Brain Neoplasms; Coproporphyrinogens; Ferrochelat

2019
5-Aminolevulinic Acid: Pitfalls of Fluorescence-guided Resection for Malignant Gliomas and Application for Malignant Glioma Therapy.
    Journal of UOEH, 2020, Volume: 42, Issue:1

    Topics: Aminolevulinic Acid; Brain Neoplasms; Fluorescence; Glioma; Humans; Mitochondria; Photosensitizing A

2020
The use of live fluorescence staining techniques in surgery: a review.
    Journal of investigative surgery : the official journal of the Academy of Surgical Research, 2013, Volume: 26, Issue:5

    Topics: Brain Neoplasms; Coronary Artery Bypass; Endometriosis; Female; Fluorescein; Fluorescein Angiography

2013
Critical role of ABCG2 in ALA-photodynamic diagnosis and therapy of human brain tumor.
    Advances in cancer research, 2015, Volume: 125

    Topics: Aminolevulinic Acid; Animals; Antineoplastic Agents; ATP Binding Cassette Transporter, Subfamily G,

2015
Fluorescence guided resection and glioblastoma in 2015: A review.
    Lasers in surgery and medicine, 2015, Volume: 47, Issue:5

    Topics: Aminolevulinic Acid; Brain Neoplasms; Fluorescence; Glioblastoma; Humans; Photosensitizing Agents; P

2015
5-Aminolevulinic Acid-Protoporphyrin IX Fluorescence-Guided Surgery of High-Grade Gliomas: A Systematic Review.
    Advances and technical standards in neurosurgery, 2016, Issue:43

    Topics: Aminolevulinic Acid; Brain; Brain Neoplasms; Fluorescence; Glioblastoma; Humans; Microscopy, Fluores

2016
Selective 5-aminolevulinic acid-induced protoporphyrin IX fluorescence in Gliomas.
    Acta neurochirurgica, 2016, Volume: 158, Issue:10

    Topics: Aminolevulinic Acid; Brain Neoplasms; Fluorescence; Glioma; Humans; Neurons; Neurosurgical Procedure

2016
[Intraoperative photo-dynamic diagnosis of brain tumors].
    Brain and nerve = Shinkei kenkyu no shinpo, 2009, Volume: 61, Issue:7

    Topics: Adult; Aged; Aminolevulinic Acid; Brain Neoplasms; Female; Fluorescence; Glioma; Humans; Intraoperat

2009
Aminolevulinic acid (ALA)-protoporphyrin IX fluorescence guided tumour resection. Part 1: Clinical, radiological and pathological studies.
    Journal of clinical neuroscience : official journal of the Neurosurgical Society of Australasia, 2012, Volume: 19, Issue:11

    Topics: Aminolevulinic Acid; Brain Neoplasms; Disease-Free Survival; Fluorescence; Glioma; Humans; Magnetic

2012
Aminolevulinic acid (ALA)-protoporphyrin IX fluorescence guided tumour resection. Part 2: theoretical, biochemical and practical aspects.
    Journal of clinical neuroscience : official journal of the Neurosurgical Society of Australasia, 2012, Volume: 19, Issue:12

    Topics: Aminolevulinic Acid; Brain Neoplasms; Fluorescent Dyes; Glioma; Humans; Neurosurgical Procedures; Ph

2012
[Surgery of high-grade gliomas guided by fluorescence: a retrospective study of 22 patients].
    Neuro-Chirurgie, 2013, Volume: 59, Issue:1

    Topics: Aged; Aged, 80 and over; Aminolevulinic Acid; Antineoplastic Combined Chemotherapy Protocols; Brain

2013
[Intraoperative photodynamic diagnosis using 5-ALA for glioma surgery].
    Nihon rinsho. Japanese journal of clinical medicine, 2005, Volume: 63 Suppl 9

    Topics: Aminolevulinic Acid; Brain Neoplasms; Glioma; Humans; Monitoring, Intraoperative; Neoplasm, Residual

2005
Repetitive photodynamic therapy of malignant brain tumors.
    Journal of environmental pathology, toxicology and oncology : official organ of the International Society for Environmental Toxicology and Cancer, 2006, Volume: 25, Issue:1-2

    Topics: Aminolevulinic Acid; Animals; Brain Neoplasms; Glioma; Humans; Light; Photochemotherapy; Photosensit

2006
[Intraoperative photodynamic diagnosis of human glioma using ALA induced protoporphyrin IX].
    No shinkei geka. Neurological surgery, 2001, Volume: 29, Issue:11

    Topics: Aminolevulinic Acid; Animals; Brain Neoplasms; Glioma; Humans; Male; Mice; Middle Aged; Monitoring,

2001

Trials

8 trials available for protoporphyrin ix and Benign Neoplasms, Brain

ArticleYear
A Phase 1 Dose-Escalation Study of Oral 5-Aminolevulinic Acid in Adult Patients Undergoing Resection of a Newly Diagnosed or Recurrent High-Grade Glioma.
    Neurosurgery, 2017, Jul-01, Volume: 81, Issue:1

    Topics: Administration, Oral; Adult; Aged; Aminolevulinic Acid; Biopsy; Brain Neoplasms; Craniotomy; Dose-Re

2017
Red-light excitation of protoporphyrin IX fluorescence for subsurface tumor detection.
    Journal of neurosurgery, 2018, Volume: 128, Issue:6

    Topics: Adult; Aged; Aminolevulinic Acid; Brain Neoplasms; Craniotomy; Female; Fluorescence; Fluorescent Dye

2018
Protoporphyrin IX fluorescence and photobleaching during interstitial photodynamic therapy of malignant gliomas for early treatment prognosis.
    Lasers in surgery and medicine, 2013, Volume: 45, Issue:4

    Topics: Adult; Aged; Aminolevulinic Acid; Biomarkers; Biopsy; Brain; Brain Neoplasms; Female; Fluorescence;

2013
Quantitative fluorescence in intracranial tumor: implications for ALA-induced PpIX as an intraoperative biomarker.
    Journal of neurosurgery, 2011, Volume: 115, Issue:1

    Topics: Adult; Aged; Aminolevulinic Acid; Biomarkers; Brain; Brain Neoplasms; Diagnostic Imaging; Female; Fl

2011
5-Aminolevulinic acid-induced protoporphyrin IX fluorescence as immediate intraoperative indicator to improve the safety of malignant or high-grade brain tumor diagnosis in frameless stereotactic biopsies.
    Acta neurochirurgica, 2012, Volume: 154, Issue:4

    Topics: Adult; Aged; Aged, 80 and over; Aminolevulinic Acid; Biopsy, Needle; Brain Neoplasms; Female; Gliobl

2012
Fluorescence-guided resections of malignant gliomas--an overview.
    Acta neurochirurgica. Supplement, 2003, Volume: 88

    Topics: Aminolevulinic Acid; Biopsy; Blood-Brain Barrier; Brain; Brain Neoplasms; Cell Division; Fluorescenc

2003
ALA and malignant glioma: fluorescence-guided resection and photodynamic treatment.
    Journal of environmental pathology, toxicology and oncology : official organ of the International Society for Environmental Toxicology and Cancer, 2007, Volume: 26, Issue:2

    Topics: Aminolevulinic Acid; Brain; Brain Neoplasms; Chemotherapy, Adjuvant; Disease-Free Survival; Fluoresc

2007
Heterogeneity of delta-aminolevulinic acid-induced protoporphyrin IX fluorescence in human glioma cells and leukemic lymphocytes.
    Neurological research, 2000, Volume: 22, Issue:4

    Topics: Adult; Aged; Aged, 80 and over; Aminolevulinic Acid; Biopsy; Brain Neoplasms; Female; Glioblastoma;

2000

Other Studies

84 other studies available for protoporphyrin ix and Benign Neoplasms, Brain

ArticleYear
Characterization of autofluorescence and quantitative protoporphyrin IX biomarkers for optical spectroscopy-guided glioma surgery.
    Scientific reports, 2021, 10-08, Volume: 11, Issue:1

    Topics: Biomarkers, Tumor; Blood-Brain Barrier; Brain Neoplasms; Fluorescent Dyes; Glioma; Humans; Neuroglia

2021
First in patient assessment of brain tumor infiltrative margins using simultaneous time-resolved measurements of 5-ALA-induced PpIX fluorescence and tissue autofluorescence.
    Journal of biomedical optics, 2022, Volume: 27, Issue:2

    Topics: Aminolevulinic Acid; Brain Neoplasms; Fluorescence; Humans; Margins of Excision; Photosensitizing Ag

2022
Detection improvement of gliomas in hyperspectral imaging of protoporphyrin IX fluorescence - in vitro comparison of visual identification and machine thresholds.
    Cancer treatment and research communications, 2022, Volume: 32

    Topics: Aminolevulinic Acid; Brain Neoplasms; Glioma; Humans; Hyperspectral Imaging; Photosensitizing Agents

2022
A birefringent spectral demultiplexer enables fast hyper-spectral imaging of protoporphyrin IX during neurosurgery.
    Communications biology, 2023, 03-30, Volume: 6, Issue:1

    Topics: Brain Neoplasms; Fluorescent Dyes; Humans; Neurosurgery; Optical Imaging; Protoporphyrins

2023
Comparison of minimal detectable protoporphyrin IX concentrations with a loupe device and conventional 5-ALA fluorescence microscopy: an experimental study.
    Journal of biomedical optics, 2023, Volume: 28, Issue:10

    Topics: Aminolevulinic Acid; Brain Neoplasms; Fluorescence; Glioma; Humans; Microscopy, Fluorescence; Photos

2023
Spectroscopic measurement of 5-ALA-induced intracellular protoporphyrin IX in pediatric brain tumors.
    Acta neurochirurgica, 2019, Volume: 161, Issue:10

    Topics: Adolescent; Aminolevulinic Acid; Brain; Brain Neoplasms; Child; Child, Preschool; Female; Fluorescen

2019
Protoporphyrin IX tracer fluorescence modulation for improved brain tumor cell lines visualization.
    Journal of photochemistry and photobiology. B, Biology, 2019, Volume: 201

    Topics: Aminolevulinic Acid; ATP Binding Cassette Transporter, Subfamily G, Member 2; Brain Neoplasms; Cell

2019
Machine learning-based prediction of glioma margin from 5-ALA induced PpIX fluorescence spectroscopy.
    Scientific reports, 2020, 01-29, Volume: 10, Issue:1

    Topics: Aminolevulinic Acid; Biomarkers, Tumor; Brain Neoplasms; Cell Line, Tumor; Cluster Analysis; Compute

2020
Objective assessment of intraoperative tumor fluorescence reveals biological heterogeneity within glioblastomas: a biometric study.
    Journal of neuro-oncology, 2020, Volume: 146, Issue:3

    Topics: Brain Neoplasms; Glioblastoma; Humans; Optical Imaging; Prospective Studies; Protoporphyrins; Sensit

2020
Validating a new generation filter system for visualizing 5-ALA-induced PpIX fluorescence in malignant glioma surgery: a proof of principle study.
    Acta neurochirurgica, 2020, Volume: 162, Issue:4

    Topics: Adult; Aged; Aged, 80 and over; Aminolevulinic Acid; Biopsy; Brain Neoplasms; Cell Count; Female; Fl

2020
Relationship between tumor cell infiltration and 5-aminolevulinic acid fluorescence signals after resection of MR-enhancing lesions and its prognostic significance in glioblastoma.
    Clinical & translational oncology : official publication of the Federation of Spanish Oncology Societies and of the National Cancer Institute of Mexico, 2021, Volume: 23, Issue:3

    Topics: Aged; Aminolevulinic Acid; Brain Neoplasms; Cell Movement; Cerebral Ventricles; DNA Modification Met

2021
ABCG2 influence on the efficiency of photodynamic therapy in glioblastoma cells.
    Journal of photochemistry and photobiology. B, Biology, 2020, Volume: 210

    Topics: Aminolevulinic Acid; ATP Binding Cassette Transporter, Subfamily G, Member 2; Brain Neoplasms; Cell

2020
Macroscopic fluorescence-lifetime imaging of NADH and protoporphyrin IX improves the detection and grading of 5-aminolevulinic acid-stained brain tumors.
    Scientific reports, 2020, 11-24, Volume: 10, Issue:1

    Topics: Adult; Aminolevulinic Acid; Brain Neoplasms; Fluorescence; Humans; Levulinic Acids; NAD; Necrosis; N

2020
Molecular Imaging of Glucose Metabolism for Intraoperative Fluorescence Guidance During Glioma Surgery.
    Molecular imaging and biology, 2021, Volume: 23, Issue:4

    Topics: 4-Chloro-7-nitrobenzofurazan; Aminolevulinic Acid; Animals; Apoptosis; Brain; Brain Neoplasms; Cell

2021
Fluorescence real-time kinetics of protoporphyrin IX after 5-ALA administration in low-grade glioma.
    Journal of neurosurgery, 2022, Jan-01, Volume: 136, Issue:1

    Topics: Adult; Aminolevulinic Acid; Brain Neoplasms; Chromosome Deletion; Female; Fluorescence; Glioma; Huma

2022
Dual-labeling with 5-aminolevulinic acid and fluorescein for fluorescence-guided resection of high-grade gliomas: technical note.
    Journal of neurosurgery, 2018, Volume: 128, Issue:2

    Topics: Aminolevulinic Acid; Brain Neoplasms; Female; Fluorescein; Fluorescence; Fluorescent Dyes; Glioma; H

2018
Optical-sectioning microscopy of protoporphyrin IX fluorescence in human gliomas: standardization and quantitative comparison with histology.
    Journal of biomedical optics, 2017, 04-01, Volume: 22, Issue:4

    Topics: Algorithms; Aminolevulinic Acid; Brain Neoplasms; Diagnostic Imaging; Disease-Free Survival; Glioma;

2017
ALA-PpIX mediated photodynamic therapy of malignant gliomas augmented by hypothermia.
    PloS one, 2017, Volume: 12, Issue:7

    Topics: Aminolevulinic Acid; Animals; Animals, Newborn; Astrocytes; Brain; Brain Neoplasms; Cell Line, Tumor

2017
Hyperspectral data processing improves PpIX contrast during fluorescence guided surgery of human brain tumors.
    Scientific reports, 2017, 08-25, Volume: 7, Issue:1

    Topics: Algorithms; Aminolevulinic Acid; Brain Neoplasms; Electronic Data Processing; Glioma; Humans; Neuros

2017
Photodynamic therapy for glioblastoma: A preliminary approach for practical application of light propagation models.
    Lasers in surgery and medicine, 2018, Volume: 50, Issue:5

    Topics: Algorithms; Brain Neoplasms; Computer Simulation; Glioblastoma; Humans; Models, Biological; Monte Ca

2018
Auditory display for fluorescence-guided open brain tumor surgery.
    International journal of computer assisted radiology and surgery, 2018, Volume: 13, Issue:1

    Topics: Brain; Brain Neoplasms; Fluorescence; Humans; Neurosurgical Procedures; Photosensitizing Agents; Pro

2018
Glutaminase 2 expression is associated with regional heterogeneity of 5-aminolevulinic acid fluorescence in glioblastoma.
    Scientific reports, 2017, 09-22, Volume: 7, Issue:1

    Topics: Aminolevulinic Acid; Brain Neoplasms; Cell Line, Tumor; Fluorescence; Fluorescent Dyes; Gene Express

2017
Intraoperative 5-aminolevulinic acid-induced photodynamic diagnosis of metastatic brain tumors with histopathological analysis.
    World journal of surgical oncology, 2017, Sep-29, Volume: 15, Issue:1

    Topics: Adult; Aged; Aminolevulinic Acid; Brain; Brain Neoplasms; Female; Fluorescence; Humans; Intraoperati

2017
Scanning Fiber Endoscope Improves Detection of 5-Aminolevulinic Acid-Induced Protoporphyrin IX Fluorescence at the Boundary of Infiltrative Glioma.
    World neurosurgery, 2018, Volume: 113

    Topics: Administration, Oral; Aminolevulinic Acid; Animals; Biotransformation; Brain Neoplasms; Cell Line, T

2018
In-Vitro Use of 5-ALA for Photodynamic Therapy in Pediatric Brain Tumors.
    Neurosurgery, 2018, 12-01, Volume: 83, Issue:6

    Topics: Aminolevulinic Acid; Apoptosis; Brain Neoplasms; Cell Death; Cell Line, Tumor; Cell Survival; Child;

2018
Is Visible Aminolevulinic Acid-Induced Fluorescence an Independent Biomarker for Prognosis in Histologically Confirmed (World Health Organization 2016) Low-Grade Gliomas?
    Neurosurgery, 2019, 06-01, Volume: 84, Issue:6

    Topics: Adult; Aminolevulinic Acid; Biomarkers; Biopsy; Brain Neoplasms; Female; Fluorescence; Glioma; Human

2019
Optical Characterization of Neurosurgical Operating Microscopes: Quantitative Fluorescence and Assessment of PpIX Photobleaching.
    Scientific reports, 2018, 08-22, Volume: 8, Issue:1

    Topics: Aminolevulinic Acid; Animals; Brain Neoplasms; Equipment Design; Female; Fluorescence; Fluorescent D

2018
Complementary Molecular and Elemental Mass-Spectrometric Imaging of Human Brain Tumors Resected by Fluorescence-Guided Surgery.
    Analytical chemistry, 2018, 10-16, Volume: 90, Issue:20

    Topics: Aminolevulinic Acid; Brain Neoplasms; Fluorescence; Glioblastoma; Humans; Laser Therapy; Mass Spectr

2018
Feasibility of using spatial frequency-domain imaging intraoperatively during tumor resection.
    Journal of biomedical optics, 2018, Volume: 24, Issue:7

    Topics: Brain; Brain Neoplasms; Equipment Design; Feasibility Studies; Glioma; Humans; Optical Imaging; Phan

2018
Expression of peptide transporter 1 has a positive correlation in protoporphyrin IX accumulation induced by 5-aminolevulinic acid with photodynamic detection of non-small cell lung cancer and metastatic brain tumor specimens originating from non-small cel
    Photodiagnosis and photodynamic therapy, 2019, Volume: 25

    Topics: Aminolevulinic Acid; ATP Binding Cassette Transporter, Subfamily G, Member 2; Blotting, Western; Bra

2019
Fluorescence-Based Measurement of Real-Time Kinetics of Protoporphyrin IX After 5-Aminolevulinic Acid Administration in Human In Situ Malignant Gliomas.
    Neurosurgery, 2019, 10-01, Volume: 85, Issue:4

    Topics: Adult; Aged; Aged, 80 and over; Aminolevulinic Acid; Brain Neoplasms; Female; Glioma; Humans; Kineti

2019
Is the Intensity of 5-Aminolevulinic Acid-Derived Fluorescence Related to the Light Source?
    World neurosurgery, 2019, Volume: 131

    Topics: Aminolevulinic Acid; Brain Neoplasms; Fluorescence; Glioma; Humans; Light; Neurosurgical Procedures;

2019
Quantification of PpIX-fluorescence of cerebral metastases: a pilot study.
    Clinical & experimental metastasis, 2019, Volume: 36, Issue:5

    Topics: Adult; Aged; Aged, 80 and over; Aminolevulinic Acid; Brain Neoplasms; Female; Fluorescent Dyes; Foll

2019
New technique may improve brain tumor margin imaging resections.
    Journal of the National Cancer Institute, 2013, Jul-03, Volume: 105, Issue:13

    Topics: Animals; Antibodies, Monoclonal; Biomedical Engineering; Brain Neoplasms; Contrast Media; Fluorescen

2013
Cadherin 13 overexpression as an important factor related to the absence of tumor fluorescence in 5-aminolevulinic acid-guided resection of glioma.
    Journal of neurosurgery, 2013, Volume: 119, Issue:5

    Topics: Aminolevulinic Acid; Biomarkers; Brain Neoplasms; Cadherins; Cell Line, Tumor; Fluorescence; Gene Ex

2013
Calcitriol enhances 5-aminolevulinic acid-induced fluorescence and the effect of photodynamic therapy in human glioma.
    Acta oncologica (Stockholm, Sweden), 2014, Volume: 53, Issue:3

    Topics: Aminolevulinic Acid; Astrocytes; Brain Neoplasms; Calcitriol; Cell Line, Tumor; Cell Survival; Enzym

2014
5-Aminolevulinic acid induced fluorescence is a powerful intraoperative marker for precise histopathological grading of gliomas with non-significant contrast-enhancement.
    PloS one, 2013, Volume: 8, Issue:10

    Topics: Adult; Aged; Aminolevulinic Acid; Biomarkers; Brain; Brain Neoplasms; Female; Fluorescence; Glioma;

2013
A surgical loupe system for observing protoporphyrin IX fluorescence in high-grade gliomas after administering 5-aminolevulinic acid.
    Photodiagnosis and photodynamic therapy, 2013, Volume: 10, Issue:4

    Topics: Amino Acids, Neutral; Brain Neoplasms; Equipment Design; Equipment Failure Analysis; Eyeglasses; Flu

2013
Protoporphyrin-IX fluorescence guided surgical resection in high-grade gliomas: The potential impact of human colour perception.
    Photodiagnosis and photodynamic therapy, 2014, Volume: 11, Issue:3

    Topics: Brain Neoplasms; Color Perception; Female; Fluorescent Dyes; Glioma; Humans; Male; Microscopy, Fluor

2014
[Determining the tumor-cell density required for macroscopic observation of 5-ALA-induced fluorescence of protoporphyrin IX in cultured glioma cells and clinical cases].
    No shinkei geka. Neurological surgery, 2014, Volume: 42, Issue:6

    Topics: Adult; Aged; Aminolevulinic Acid; Animals; Brain Neoplasms; Cell Count; Cell Line, Tumor; Female; Gl

2014
5-Aminolevulinic acid strongly enhances delayed intracellular production of reactive oxygen species (ROS) generated by ionizing irradiation: quantitative analyses and visualization of intracellular ROS production in glioma cells in vitro.
    Oncology reports, 2015, Volume: 33, Issue:2

    Topics: Aminolevulinic Acid; Animals; Brain Neoplasms; Cell Line, Tumor; Cytoplasm; Glioma; Humans; In Vitro

2015
Low dose 5-aminolevulinic acid: Implications in spectroscopic measurements during brain tumor surgery.
    Photodiagnosis and photodynamic therapy, 2015, Volume: 12, Issue:2

    Topics: Aged; Aminolevulinic Acid; Brain Neoplasms; Dose-Response Relationship, Drug; Female; Fluorescence;

2015
Quantitative fluorescence using 5-aminolevulinic acid-induced protoporphyrin IX biomarker as a surgical adjunct in low-grade glioma surgery.
    Journal of neurosurgery, 2015, Volume: 123, Issue:3

    Topics: Adult; Aged; Aminolevulinic Acid; Biomarkers; Brain Neoplasms; Female; Fluorescence; Glioma; Humans;

2015
405 nm versus 633 nm for protoporphyrin IX excitation in fluorescence-guided stereotactic biopsy of brain tumors.
    Journal of biophotonics, 2016, Volume: 9, Issue:9

    Topics: Biopsy; Brain Neoplasms; Fluorescence; Humans; Phantoms, Imaging; Protoporphyrins; Reproducibility o

2016
Tunable phosphatase-sensitive stable prodrugs of 5-aminolevulinic acid for tumor fluorescence photodetection.
    Journal of controlled release : official journal of the Controlled Release Society, 2016, 08-10, Volume: 235

    Topics: Alkaline Phosphatase; Aminolevulinic Acid; Animals; Brain Neoplasms; Cell Line, Tumor; Chick Embryo;

2016
Human glioblastoma stem-like cells accumulate protoporphyrin IX when subjected to exogenous 5-aminolaevulinic acid, rendering them sensitive to photodynamic treatment.
    Journal of photochemistry and photobiology. B, Biology, 2016, Volume: 163

    Topics: Aminolevulinic Acid; Brain Neoplasms; Cell Line, Tumor; Dose-Response Relationship, Drug; Drug Syner

2016
Hiding in the Shadows: CPOX Expression and 5-ALA Induced Fluorescence in Human Glioma Cells.
    Molecular neurobiology, 2017, Volume: 54, Issue:7

    Topics: Aminolevulinic Acid; Brain Neoplasms; Cell Line, Tumor; Coproporphyrinogen Oxidase; Fluorescence; Gl

2017
5-Aminolevulinic acid enhances mitochondrial stress upon ionizing irradiation exposure and increases delayed production of reactive oxygen species and cell death in glioma cells.
    International journal of molecular medicine, 2017, Volume: 39, Issue:2

    Topics: Aminolevulinic Acid; Apoptosis; Biological Transport; Brain Neoplasms; Cell Death; Cell Line, Tumor;

2017
Minispectrometer with handheld probe for 5-ALA based fluorescence-guided surgery of brain tumors: Preliminary study for clinical applications.
    Photodiagnosis and photodynamic therapy, 2017, Volume: 17

    Topics: Brain Neoplasms; Glioblastoma; Humans; Meningioma; Neurosurgical Procedures; Photosensitizing Agents

2017
Enhancement of 5-aminolevulinic acid-based fluorescence detection of side population-defined glioma stem cells by iron chelation.
    Scientific reports, 2017, 02-07, Volume: 7

    Topics: Aminolevulinic Acid; Animals; ATP Binding Cassette Transporter, Subfamily G, Member 2; Biotransforma

2017
Diagnostic detection of diffuse glioma tumors in vive with molecular fluorescent probe-based transmission spectroscopy.
    Medical physics, 2009, Volume: 36, Issue:3

    Topics: Animals; Biophysical Phenomena; Brain Neoplasms; Cell Line, Tumor; ErbB Receptors; Fluorescent Dyes;

2009
Estimation of brain deformation for volumetric image updating in protoporphyrin IX fluorescence-guided resection.
    Stereotactic and functional neurosurgery, 2010, Volume: 88, Issue:1

    Topics: Aged; Brain; Brain Neoplasms; Glioblastoma; Gliosarcoma; Humans; Image Interpretation, Computer-Assi

2010
Boron-containing protoporphyrin IX derivatives and their modification for boron neutron capture therapy: synthesis, characterization, and comparative in vitro toxicity evaluation.
    Chemistry (Weinheim an der Bergstrasse, Germany), 2010, Feb-01, Volume: 16, Issue:5

    Topics: Animals; Antineoplastic Agents; Boron Neutron Capture Therapy; Brain Neoplasms; Cell Line, Tumor; Hu

2010
Coregistered fluorescence-enhanced tumor resection of malignant glioma: relationships between δ-aminolevulinic acid-induced protoporphyrin IX fluorescence, magnetic resonance imaging enhancement, and neuropathological parameters. Clinical article.
    Journal of neurosurgery, 2011, Volume: 114, Issue:3

    Topics: Aged; Aged, 80 and over; Aminolevulinic Acid; Biopsy; Brain Neoplasms; Data Interpretation, Statisti

2011
Improving intraoperative visualization of anaplastic foci within gliomas.
    Neurosurgery, 2010, Volume: 67, Issue:2

    Topics: Aminolevulinic Acid; Biopsy; Brain Neoplasms; Carcinoma; Fluorescence; Glioma; Humans; Protoporphyri

2010
Epithelioid glioblastoma changed to typical glioblastoma: the methylation status of MGMT promoter and 5-ALA fluorescence.
    Brain tumor pathology, 2011, Volume: 28, Issue:1

    Topics: Aminolevulinic Acid; Biomarkers, Tumor; Brain Neoplasms; DNA Modification Methylases; DNA Repair Enz

2011
Precise comparison of protoporphyrin IX fluorescence spectra with pathological results for brain tumor tissue identification.
    Brain tumor pathology, 2011, Volume: 28, Issue:1

    Topics: Aminolevulinic Acid; Brain Neoplasms; Glioma; Humans; Photosensitizing Agents; Protoporphyrins; Spec

2011
Measuring versus seeing.
    Journal of neurosurgery, 2011, Volume: 115, Issue:1

    Topics: Aminolevulinic Acid; Biomarkers; Brain; Brain Neoplasms; Diagnostic Imaging; Fluorescence; Humans; M

2011
Fluorescence illuminates the way ...
    Neuro-oncology, 2011, Volume: 13, Issue:8

    Topics: Aminolevulinic Acid; Biomarkers; Brain Neoplasms; Female; Glioma; Humans; Male; Monitoring, Intraope

2011
δ-aminolevulinic acid-induced protoporphyrin IX concentration correlates with histopathologic markers of malignancy in human gliomas: the need for quantitative fluorescence-guided resection to identify regions of increasing malignancy.
    Neuro-oncology, 2011, Volume: 13, Issue:8

    Topics: Adult; Aged; Aminolevulinic Acid; Biomarkers; Brain Neoplasms; Diagnostic Imaging; Female; Fluoresce

2011
¹¹C-methionine uptake and intraoperative 5-aminolevulinic acid-induced fluorescence as separate index markers of cell density in glioma: a stereotactic image-histological analysis.
    Cancer, 2012, Mar-15, Volume: 118, Issue:6

    Topics: Adult; Aged; Aminolevulinic Acid; Brain Neoplasms; Carbon Radioisotopes; Cell Count; Cell Proliferat

2012
Photobleaching-based method to individualize irradiation time during interstitial 5-aminolevulinic acid photodynamic therapy.
    Photodiagnosis and photodynamic therapy, 2011, Volume: 8, Issue:3

    Topics: Absorption; Algorithms; Aminolevulinic Acid; Brain Neoplasms; Computer Simulation; Finite Element An

2011
Spatial frequency domain tomography of protoporphyrin IX fluorescence in preclinical glioma models.
    Journal of biomedical optics, 2012, Volume: 17, Issue:5

    Topics: Animals; Brain Neoplasms; Cell Line, Tumor; Contrast Media; Glioma; Mice; Mice, Nude; Microscopy, Fl

2012
A spectrally constrained dual-band normalization technique for protoporphyrin IX quantification in fluorescence-guided surgery.
    Optics letters, 2012, Jun-01, Volume: 37, Issue:11

    Topics: Animals; Brain Neoplasms; Humans; Male; Mice; Phantoms, Imaging; Protoporphyrins; Spectrometry, Fluo

2012
Increased expression of ABCB6 enhances protoporphyrin IX accumulation and photodynamic effect in human glioma.
    Annals of surgical oncology, 2013, Volume: 20, Issue:13

    Topics: Aminolevulinic Acid; Apoptosis; ATP-Binding Cassette Transporters; Blotting, Western; Brain; Brain N

2013
Automatic laser scanning ablation system for high-precision treatment of brain tumors.
    Lasers in medical science, 2013, Volume: 28, Issue:3

    Topics: Aminolevulinic Acid; Animals; Brain; Brain Neoplasms; Equipment Design; Glioma; Humans; Laser Therap

2013
Gadolinium- and 5-aminolevulinic acid-induced protoporphyrin IX levels in human gliomas: an ex vivo quantitative study to correlate protoporphyrin IX levels and blood-brain barrier breakdown.
    Journal of neuropathology and experimental neurology, 2012, Volume: 71, Issue:9

    Topics: Aminolevulinic Acid; Blood-Brain Barrier; Brain Neoplasms; Craniotomy; Creatinine; Female; Gadoliniu

2012
Quantitative, spectrally-resolved intraoperative fluorescence imaging.
    Scientific reports, 2012, Volume: 2

    Topics: Animals; Brain Neoplasms; Fluorescence; Fluorescent Dyes; Glioma; Humans; Intraoperative Period; Opt

2012
[Intraoperative fluorescent visualization and laser spectrosopy in intrinsic brain tumor surgery].
    Zhurnal voprosy neirokhirurgii imeni N. N. Burdenko, 2012, Volume: 76, Issue:5

    Topics: Adolescent; Adult; Aged; Aminolevulinic Acid; Brain Neoplasms; Female; Humans; Male; Middle Aged; Ne

2012
Protoporphyrin IX production and its photodynamic effects on glioma cells, neuroblastoma cells and normal cerebellar granule cells in vitro with 5-aminolevulinic acid and its hexylester.
    Cancer letters, 2003, Oct-28, Volume: 200, Issue:2

    Topics: Aminolevulinic Acid; Animals; Brain Neoplasms; Cell Line; Cerebellum; Glioma; Humans; Neuroblastoma;

2003
Mapping ALA-induced PPIX fluorescence in normal brain and brain tumour using confocal fluorescence microscopy.
    International journal of oncology, 2004, Volume: 25, Issue:1

    Topics: Aminolevulinic Acid; Animals; Brain; Brain Neoplasms; Microscopy, Fluorescence; Protoporphyrins; Rab

2004
Increased brain tumor resection using fluorescence image guidance in a preclinical model.
    Lasers in surgery and medicine, 2004, Volume: 35, Issue:3

    Topics: Aminolevulinic Acid; Animals; Brain Neoplasms; Glioma; Microscopy; Models, Animal; Neoplasm, Residua

2004
[5-ALA fluorescence guided tumor resection].
    No to shinkei = Brain and nerve, 2006, Volume: 58, Issue:12

    Topics: Aminolevulinic Acid; Brain Neoplasms; Female; Fluorescence; Glioma; Humans; Middle Aged; Mitochondri

2006
Massive apoptotic cell death of human glioma cells via a mitochondrial pathway following 5-aminolevulinic acid-mediated photodynamic therapy.
    Journal of neuro-oncology, 2007, Volume: 83, Issue:3

    Topics: Aminolevulinic Acid; Apoptosis; Brain Neoplasms; Caspase 3; Caspase 9; Cell Line, Tumor; Cytochromes

2007
Quantitative spectroscopic analysis of 5-aminolevulinic acid-induced protoporphyrin IX fluorescence intensity in diffusely infiltrating astrocytomas.
    Neurologia medico-chirurgica, 2007, Volume: 47, Issue:2

    Topics: Aged; Aminolevulinic Acid; Astrocytoma; Brain Neoplasms; Female; Humans; Male; Middle Aged; Neoplasm

2007
A novel robotic laser ablation system for precision neurosurgery with intraoperative 5-ALA-induced PpIX fluorescence detection.
    Medical image computing and computer-assisted intervention : MICCAI ... International Conference on Medical Image Computing and Computer-Assisted Intervention, 2006, Volume: 9, Issue:Pt 1

    Topics: Animals; Brain Neoplasms; Equipment Design; Equipment Failure Analysis; Laser Therapy; Microscopy, F

2006
Endoscopic identification and biopsy sampling of an intraventricular malignant glioma using a 5-aminolevulinic acid-induced protoporphyrin IX fluorescence imaging system. Technical note.
    Journal of neurosurgery, 2007, Volume: 106, Issue:3

    Topics: Aminolevulinic Acid; Astrocytoma; Biopsy; Brain Neoplasms; Female; Fluorescence; Humans; Middle Aged

2007
Interstitial photodynamic therapy of nonresectable malignant glioma recurrences using 5-aminolevulinic acid induced protoporphyrin IX.
    Lasers in surgery and medicine, 2007, Volume: 39, Issue:5

    Topics: Adult; Aged; Aminolevulinic Acid; Brain Neoplasms; Feasibility Studies; Glioma; Humans; Magnetic Res

2007
Cell-substrate topology upon ALA-PDT using variable-angle total internal reflection fluorescence microscopy (VA-TIRFM).
    Journal of environmental pathology, toxicology and oncology : official organ of the International Society for Environmental Toxicology and Cancer, 2007, Volume: 26, Issue:2

    Topics: Aminolevulinic Acid; Brain Neoplasms; Cell Line, Tumor; Cell Membrane; Drug Screening Assays, Antitu

2007
Fluorescence-guided resection of metastatic brain tumors using a 5-aminolevulinic acid-induced protoporphyrin IX: pathological study.
    Brain tumor pathology, 2007, Volume: 24, Issue:2

    Topics: Aminolevulinic Acid; Brain Neoplasms; Humans; Microscopy, Fluorescence; Neurosurgical Procedures; Ph

2007
Auditory alert system for fluorescence-guided resection of gliomas.
    Neurologia medico-chirurgica, 2008, Volume: 48, Issue:2

    Topics: Acoustic Stimulation; Brain Neoplasms; Diagnosis, Computer-Assisted; Glioma; Humans; Neoplasm Invasi

2008
Photodynamic therapy of intracranial tissues: a preclinical comparative study of four different photosensitizers.
    Journal of clinical laser medicine & surgery, 1998, Volume: 16, Issue:2

    Topics: Animals; Argon; Brain; Brain Neoplasms; Dihematoporphyrin Ether; Dose-Response Relationship, Drug; E

1998
Technical principles for protoporphyrin-IX-fluorescence guided microsurgical resection of malignant glioma tissue.
    Acta neurochirurgica, 1998, Volume: 140, Issue:10

    Topics: Aminolevulinic Acid; Brain; Brain Neoplasms; Glioma; Humans; Image Processing, Computer-Assisted; Mi

1998
Apoptosis induced in vivo by photodynamic therapy in normal brain and intracranial tumour tissue.
    British journal of cancer, 2000, Volume: 83, Issue:8

    Topics: Aminolevulinic Acid; Animals; Apoptosis; Brain; Brain Neoplasms; Dihematoporphyrin Ether; Indoles; M

2000