Page last updated: 2024-12-10

mtt formazan

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Description

MTT formazan: a blue MEM-insoluble mitochondrial byproduct; used to determine viability of cells with active mitochondrial dehydrogenase enzymes [Medical Subject Headings (MeSH), National Library of Medicine, extracted Dec-2023]

Cross-References

ID SourceID
PubMed CID3634887
MeSH IDM0213457

Synonyms (4)

Synonym
mtt formazan
n'-anilino-n-[(4,5-dimethyl-1,3-thiazol-2-yl)imino]benzenecarboximidamide
23305-68-2
1-(4,5-dimethylthiazol-2-yl)-3,5-diphenylformazan ,

Research Excerpts

Toxicity

ExcerptReferenceRelevance
" We have previously demonstrated that 100 microM testosterone cypionate (TC) inhibits all beating activity of primary neonatal rat myocardial cell cultures within 1 hr of exposure and causes significant LDH release by 4 hr of exposure, indicating a direct toxic effect of TC."( Anabolic-androgenic steroid-induced toxicity in primary neonatal rat myocardial cell cultures.
Fugate, RD; Melchert, RB; Robertson, JW; Welder, AA, 1995
)
0.29
" No toxic effects were observed when AMPA or a low concentration of NaCN (0."( Metabolic inhibition potentiates AMPA-induced Ca2+ fluxes and neurotoxicity in rat cerebellar granule cells.
Cebere, A; Cebers, G; Liljequist, S, 1998
)
0.3
" (b) All protein fibrils with the beta-pleated sheet structure examined are toxic to rat hippocampal neurons."( Steroid hormones block amyloid fibril-induced 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide (MTT) formazan exocytosis: relationship to neurotoxicity.
Liu, Y; Schubert, D, 1998
)
0.3
"A recognized drawback of the currently available chemical cross-linking reagents used to fix bioprostheses is the potential toxic effects a recipient may be exposed to from the fixed tissues and/or the residues."( In vitro evaluation of cytotoxicity of a naturally occurring cross-linking reagent for biological tissue fixation.
Huang, LL; Huang, RN; Sung, HW; Tsai, CC, 1999
)
0.3
" In basal culture conditions with no addition of Abeta, methyl-beta-cyclodextrin-solubilized cholesterol at concentrations of 30-100 microM was toxic to neurons, but at concentrations of 1-10 microM promoted neuronal survival."( Cholesterol does not affect the toxicity of amyloid beta fragment but mimics its effect on MTT formazan exocytosis in cultured rat hippocampal neurons.
Abe, K; Saito, H, 1999
)
0.52
" Extracts of non-cured materials were rated severely toxic with both methods, with one exception."( Cytotoxic effects of extracts of compomers.
Dahl, JE; Sletten, GB, 1999
)
0.3
" Some xenobiotics are electrophilic, and others are biotransformed by the liver into highly reactive metabolites that are usually more toxic than the parent compound."( The use of cultured hepatocytes to investigate the metabolism of drugs and mechanisms of drug hepatotoxicity.
Bort, R; Castell, JV; Gómez-Lechón, MJ; Ponsoda, X,
)
0.13
" brasiliensis alkaloids have a potent toxic activity."( Antibacterial activity against resistant bacteria and cytotoxicity of four alkaloid toxins isolated from the marine sponge Arenosclera brasiliensis.
Berlinck, RG; de Moraes, MO; Fortier, SC; Nascimento, GG; Pessoa, C; Torres, YR, 2002
)
0.31
" In addition, we found that rosiglitazone, although less toxic in the study population, was cytotoxic to hepatocytes in some donors (EC(50)<100 microM)."( Differential in vitro hepatotoxicity of troglitazone and rosiglitazone among cryopreserved human hepatocytes from 37 donors.
Fackett, A; Hayden, MJ; Hewitt, NJ; Li, AP; Lloyd, S; Sakai, Y; Silber, PM, 2002
)
0.31
" Since VOCs are used in industrial, commercial and military applications, concern is mounting with respect to VOC safe exposure limits."( The effect of m-xylene on cytotoxicity and cellular antioxidant status in rat dermal equivalents.
Coleman, CA; Hull, BE; McDougal, JN; Rogers, JV, 2003
)
0.32
" Milonine was less toxic than warifteine in both cell cultures."( Warifteine and milonine, alkaloids isolated from Cissampelos sympodialis Eichl: cytotoxicity on rat hepatocyte culture and in V79 cells.
Barbosa-Filho, JM; de Fátima Formiga Melo Diniz, M; de Medeiros Cavalcante, HM; de Medeiros, IA; Haun, M; Melo, PS, 2003
)
0.32
" 2 Delta(9)-and Delta(8)-tetrahydrocannabinol (THC) were toxic when added directly to SH-SY5Y neuroblastoma cells."( Reduction of human monocytic cell neurotoxicity and cytokine secretion by ligands of the cannabinoid-type CB2 receptor.
Bissonnette, CJ; Klegeris, A; McGeer, PL, 2003
)
0.32
"Acetaminophen, a safe analgesic when dosed properly but hepatotoxic at overdoses, has been reported to induce DNA strand breaks but it is unclear whether this event preceeds hepatocyte toxicity or is only obvious in case of overt cytotoxicity."( Antioxidants protect primary rat hepatocyte cultures against acetaminophen-induced DNA strand breaks but not against acetaminophen-induced cytotoxicity.
El-Bahay, C; Hanelt, S; Kahl, R; Lewerenz, V; Nastevska, C; Röhrdanz, E, 2003
)
0.32
" These results show that: (a) the polyether materials are more toxic than vinyl polysiloxanes in our experimental conditions, (b) the impression materials are cytotoxic to the same degree in all assay methods."( Study of the potential cytotoxicity of dental impression materials.
Antonietta, CM; Federica, B; Federico, M; Roberta, T; Sergio, B; Ugo, C,
)
0.13
" The toxic potential resulting from our data would be valproic acid < cyclosporine A < amiodarone."( Cytotoxicity evaluation after coexposure to perchloroethylene and selected peroxidant drugs in rat hepatocytes.
Barbaro, M; Catania, S; Costa, C; Germanò, MP; Silvari, V, 2004
)
0.32
" After 48 h of exposure, the MTT and trypan blue dye-exclusion tests indicated that NIV was significantly more toxic than DON, and both were significantly more toxic than FB1."( Cytotoxicity induced by nivalenol, deoxynivalenol, and fumonisin B1 in the SF-9 insect cell line.
Fornelli, F; Minervini, F; Mulè, G,
)
0.13
" Fusarium toxins such as, deoxynivalenol (DON), zearalenone (ZEN) and fumonisin B1 (FB1) have been shown to cause diverse toxic effects in animals and also suspected of disease causation in humans."( Comparative study of cytotoxicity and oxidative stress induced by deoxynivalenol, zearalenone or fumonisin B1 in human intestinal cell line Caco-2.
Baudrimont, I; Creppy, EE; Dano, SD; Kouadio, JH; Mobio, TA; Moukha, S, 2005
)
0.33
"The objective of this study was to investigate the toxic effects of povidone-iodine (PVI)."( Toxic effects of povidone-iodine on synovial cell and articular cartilage.
Kaku, N; Kataoka, M; Torisu, T; Tsumura, H, 2006
)
0.33
"Therapies including nucleoside analogs are associated with severe toxic side effects and acquirement of drug resistance."( Formulations of biodegradable Nanogel carriers with 5'-triphosphates of nucleoside analogs that display a reduced cytotoxicity and enhanced drug activity.
Han, HY; Kohli, E; Vinogradov, SV; Zeman, AD, 2007
)
0.34
"The indiscriminate use of pesticides and herbicides to increase crop productivity has aroused a great concern among the environmental and health scientists due to their adverse effects in both target as well as non-target species."( In vitro induction of cytotoxicity and DNA strand breaks in CHO cells exposed to cypermethrin, pendimethalin and dichlorvos.
Bajpayee, M; Dhawan, A; Pandey, AK; Parmar, D; Patel, S, 2007
)
0.34
" These alpha-diketones also display a degree of toxic selectivity towards neuroblastoma cells, which may have therapeutic implications."( A comparison of the apoptotic and cytotoxic effects of hexanedione derivatives on human non-neuronal lines and the neuroblastoma line SH-SY5Y.
Coleman, MD; Griffiths, HR; Woehrling, EK; Zilz, TR, 2008
)
0.35
" Toxic mixtures of small aggregates from these hexapeptides bind to cell membranes and can be further internalized, as also observed for natural amyloid proteins."( Amyloid toxicity is independent of polypeptide sequence, length and chirality.
Dotti, CG; Esteras-Chopo, A; Kümmerer, N; López de la Paz, M; Pastor, MT; Schubert, V; Serrano, L, 2008
)
0.35
" The results reveal that NP toxic effects are significantly reduced in the spheroid culture when compared to the 2D culture data."( In vitro toxicity testing of nanoparticles in 3D cell culture.
Doty, RC; Kotov, NA; Lee, J; Lilly, GD; Podsiadlo, P, 2009
)
0.35
" Possible toxic effects of voriconazole (10 microg /mL-10mg/mL) in corneal endothelial cells (CEC), primary human trabecular meshwork cells (TMC), and primary human retinal pigment epithelium (RPE) cells were evaluated after 24h and under conditions of inflammatory stress by treatment with tumor-necrosis-factor alpha (TNF-alpha), lipopolysaccharides (LPS), or interleukin-6 (IL-6) and hydrogen peroxide."( Intracameral voriconazole: in vitro safety for human ocular cells.
Kampik, A; Kernt, M, 2009
)
0.35
" The nanoparticles in the dose of 500 micdrog/ml had the toxic effect by the Cell Index Curves of RT-CES, while the microscale SiO2 powders in the same dose did not show obvious effect."( In vitro study of silica nanoparticle-induced cytotoxicity based on real-time cell electronic sensing system.
Deng, H; Kong, L; Liu, X; Lu, Z; Tang, M; Wu, Q; Yang, H, 2010
)
0.36
" In addition to this hypersensitivity, an anaphylactoid reaction occurs by toxic effects even in a non-allergic person via cytolysis followed by similar clinical manifestations."( Gangliosides inhibit bee venom melittin cytotoxicity but not phospholipase A(2)-induced degranulation in mast cells.
Kitani, S; Nishikawa, H, 2011
)
0.37
" These substances are sorted according to their toxic effect and new excipients not yet used in the respiratory tract like HPMC can be classified in this scheme."( The MTT assay as tool to evaluate and compare excipient toxicity in vitro on respiratory epithelial cells.
Scherliess, R, 2011
)
0.37
" Once the potential interaction has been detected, a quantitative assessment is necessary to ensure and characterize these interactions, that is, each mycotoxin contributes to the toxic effect in accord with its own potency."( Cytotoxic effects of mycotoxin combinations in mammalian kidney cells.
Font, G; Juan-García, A; Macáková, P; Ruiz, MJ, 2011
)
0.37
" Cell viability assays revealed that AgNP suspensions were more toxic when the initial silver ion fraction was higher."( Toxicity of silver nanoparticles - nanoparticle or silver ion?
Autrup, H; Beer, C; Foldbjerg, R; Hayashi, Y; Sutherland, DS, 2012
)
0.38
"Our findings highlight the relevance of the biological safety studies to increase the knowledge regarding the toxic potential of the related substances, which can be associated with the drug side effects and toxicity."( Biological safety studies of gemifloxacin mesylate and related substances.
de Lapuente Perez, J; Mitjans, M; Nogueira, DR; Paim, CS; Ramos Lopez, D; Schapoval, EE; Steppe, M; Vinardell, MP, 2013
)
0.39
"The aim of this study was to investigate the adverse effects produced by four types of iron (Fe) ore dust using cultured human cells."( In vitro adverse effects of iron ore dusts on human lymphoblastoid cells in culture.
Sanderson, BJ; Wang, H; Wang, JJ, 2013
)
0.39

Pharmacokinetics

ExcerptReferenceRelevance
" No significant difference in the pharmacokinetic parameters of NVP was found upon short-term co-administration of Sutherlandia."( Effect of short term and chronic administration of Sutherlandia frutescens on pharmacokinetics of nevirapine in rats.
Earla, R; Folk, WR; Kwatra, D; Mandava, NK; Minocha, M; Mitra, AK; Pal, D, 2011
)
0.37

Compound-Compound Interactions

ExcerptReferenceRelevance
" Higher throughput screening (HTS) assays were developed using cryopreserved human hepatocytes for hepatotoxicity, metabolic stability, and inhibitory drug-drug interactions."( Cryopreserved human hepatocytes: characterization of drug-metabolizing enzyme activities and applications in higher throughput screening assays for hepatotoxicity, metabolic stability, and drug-drug interaction potential.
Brent, JA; Fackett, A; Li, AP; Lu, C; Pham, C; Ruegg, CE; Silber, PM, 1999
)
0.3
" In conclusion, 17beta-estradiol combined with testosterone promoted osteoblast proliferation and ALP activity, accelerated the osteoblast cell cycle, inhibited osteoblast apoptosis."( 17beta-estradiol combined with testosterone promotes chicken osteoblast proliferation and differentiation by accelerating the cell cycle and inhibiting apoptosis in vitro.
Chen, J; Chen, X; Deng, Y; Hou, J; Li, X; Tao, Q; Zhou, Z; Zhu, J, 2010
)
0.36
"To investigate the effect of CAL-101, a selective inhibitor of PI3Kδ, in combination with bortezomib on the proliferation and apoptosis in human mantle cell lymphoma cell lines Z138, HBL-2 and Jeko-1 in vitro, to explore its mechanisms and provide the foundation for effective treatment strategies against mantle cell lymphoma."( [Effects of the phosphoinostitide-3'-kinase delta inhibitor, CAL-101, in combination with Bortezomib on mantle lymophma cells and exploration of its related mechanism].
Guo, S; Li, X; Qu, F; Tian, C; Xia, B; Yu, Y; Zhang, L; Zhang, Y, 2015
)
0.42
"This study aimed to evaluate the potential of adipose-derived stem cells (ASCs) combined with a modified α-tricalcium phosphate (α-TCP) or gelatin sponge (GS) scaffolds for bone healing in a rat model."( Repair of bone defects using adipose-derived stem cells combined with alpha-tricalcium phosphate and gelatin sponge scaffolds in a rat model.
Bahuschewskyj, C; Camassola, M; Corsetti, A; Langie, R; Nardi, NB; Ponzoni, D; Puricelli, E; Santos, LA,
)
0.13
"Bone defects were surgically created in the femur of adult SHR rats and filled with the scaffolds, empty or combined with ASCs."( Repair of bone defects using adipose-derived stem cells combined with alpha-tricalcium phosphate and gelatin sponge scaffolds in a rat model.
Bahuschewskyj, C; Camassola, M; Corsetti, A; Langie, R; Nardi, NB; Ponzoni, D; Puricelli, E; Santos, LA,
)
0.13
"Our results showed that the use of ASCs combined with α-TCP or GS scaffolds resulted in increased bone repair."( Repair of bone defects using adipose-derived stem cells combined with alpha-tricalcium phosphate and gelatin sponge scaffolds in a rat model.
Bahuschewskyj, C; Camassola, M; Corsetti, A; Langie, R; Nardi, NB; Ponzoni, D; Puricelli, E; Santos, LA,
)
0.13
" The aims of this study were to evaluate the antimicrobial effect of relacin combined with sodium hypochlorite (NaOCl) on Enterococcus faecalis biofilms and to evaluate the cytotoxicity of relacin."( Efficacy of relacin combined with sodium hypochlorite against Enterococcus faecalis biofilms.
Dongmei, D; Hongyan, L; Wim, C; Xi, W; Yanling, C, 2018
)
0.48

Bioavailability

ExcerptReferenceRelevance
" Therefore, this investigation aimed at screening the effects of short term and chronic exposure of sutherlandia on oral bioavailability and pharmacokinetics of nevirapine (NVP), a non-nucleoside reverse transcriptase inhibitor, in Sprague Dawley rats."( Effect of short term and chronic administration of Sutherlandia frutescens on pharmacokinetics of nevirapine in rats.
Earla, R; Folk, WR; Kwatra, D; Mandava, NK; Minocha, M; Mitra, AK; Pal, D, 2011
)
0.37

Dosage Studied

ExcerptRelevanceReference
" All cell types were characterized for epithelial origin and growth patterns and following optimization of dosing strategies and assay procedures, a strict study design was implemented to avoid systemic variations."( Species- and sex-specific renal cytotoxicity of ochratoxin A and B in vitro.
Dietrich, DR; Heussner, AH; O'Brien, E; Stack, ME, 2001
)
0.31
"Acetaminophen, a safe analgesic when dosed properly but hepatotoxic at overdoses, has been reported to induce DNA strand breaks but it is unclear whether this event preceeds hepatocyte toxicity or is only obvious in case of overt cytotoxicity."( Antioxidants protect primary rat hepatocyte cultures against acetaminophen-induced DNA strand breaks but not against acetaminophen-induced cytotoxicity.
El-Bahay, C; Hanelt, S; Kahl, R; Lewerenz, V; Nastevska, C; Röhrdanz, E, 2003
)
0.32
"5 suspensions, their water-soluble fraction and solvent-extractable organics from both dust storm and normal weather caused a decrease of the cell viability and an increase of DNA damage of rat alveolar macrophages in a dose-response manner; for both Baotou city and Wuwei city, the samples of normal weather showed higher DNA damage than those of dust storm at the highest treated dosage; for both normal weather PM2."( Damage effects of dust storm PM2.5 on DNA in alveolar macrophages and lung cells of rats.
Meng, Z; Zhang, Q, 2007
)
0.34
" These results demonstrate that subtoxic dosage of a cardiotoxic agent may cause occult cardiotoxicity, reflected by impaired response to ischemia."( Occult cardiotoxicity: subtoxic dosage of Bis(2-chloroethoxy)methane impairs cardiac response to simulated ischemic injury.
Borman, JB; Dunnick, J; Golomb, E; Houminer, E; Kissling, G; Nyska, A; Schneider, A; Schwalb, H, 2007
)
0.34
"Hormetic dose-response relationships induced by environmental agents are often characterized by a low-dose stimulation and a high-dose inhibition."( The role of oxidative stress in hormesis induced by sodium arsenite in human embryo lung fibroblast (HELF) cellular proliferation model.
He, XQ; Li, AP; Liu, QZ; Peng, L; Wang, XR; Yang, P; Zhou, JW, 2007
)
0.34
" In addition, when the cells were treated with exogenous and endogenous oxidative stressors, MTT reduction was shown to be sensitive to a shift to a more oxidizing cellular environment within a narrow range without loss of membrane integrity, and this effect increased in a linear fashion, dependent on the dosage of cytosolic extracts containing various physiological reductants, small reductive molecules (NADPH and GSH), and artificial DTT reducing agent."( Discriminative cytotoxicity assessment based on various cellular damages.
Jeong, D; Kim, H; Lee, TY; Yoon, SC, 2009
)
0.35
"7 cells at dosage levels from 31."( In vitro study of silica nanoparticle-induced cytotoxicity based on real-time cell electronic sensing system.
Deng, H; Kong, L; Liu, X; Lu, Z; Tang, M; Wu, Q; Yang, H, 2010
)
0.36
" With the use of this method to quantify metabolically viable cells, dose-response curves of treated and untreated cells with the drug were constructed on the human lung cancer cell A549."( Predictive value of the surface-enhanced resonance Raman scattering-based MTT assay: a rapid and ultrasensitive method for cell viability in situ.
Chen, L; Jung, YM; Liu, Z; Mao, Z; Wang, X; Yang, J; Zhao, B; Zhao, C, 2013
)
0.39
"This study demonstrated that lower dosage of aspirin can promote ST2 cells growth, osteogenic activity and inhibit its apoptosis."( [Effect of aspirin on cell biological activities in murine bone marrow stromal cells].
Du, M; Ge, S; Pan, W; Yang, P, 2016
)
0.43
[information is derived through text-mining from research data collected from National Library of Medicine (NLM), extracted Dec-2023]

Research

Studies (642)

TimeframeStudies, This Drug (%)All Drugs %
pre-19900 (0.00)18.7374
1990's65 (10.12)18.2507
2000's407 (63.40)29.6817
2010's165 (25.70)24.3611
2020's5 (0.78)2.80
[information is prepared from research data collected from National Library of Medicine (NLM), extracted Dec-2023]

Market Indicators

Research Demand Index: 39.37

According to the monthly volume, diversity, and competition of internet searches for this compound, as well the volume and growth of publications, there is estimated to be strong demand-to-supply ratio for research on this compound.

MetricThis Compound (vs All)
Research Demand Index39.37 (24.57)
Research Supply Index6.54 (2.92)
Research Growth Index4.90 (4.65)
Search Engine Demand Index59.38 (26.88)
Search Engine Supply Index2.00 (0.95)

This Compound (39.37)

All Compounds (24.57)

Study Types

Publication TypeThis drug (%)All Drugs (%)
Trials1 (0.14%)5.53%
Reviews7 (1.01%)6.00%
Case Studies1 (0.14%)4.05%
Observational0 (0.00%)0.25%
Other681 (98.70%)84.16%
[information is prepared from research data collected from National Library of Medicine (NLM), extracted Dec-2023]