androstenedione has been researched along with Sensitivity and Specificity in 47 studies
| Timeframe | Studies, this research(%) | All Research% |
|---|---|---|
| pre-1990 | 1 (2.13) | 18.7374 |
| 1990's | 14 (29.79) | 18.2507 |
| 2000's | 20 (42.55) | 29.6817 |
| 2010's | 10 (21.28) | 24.3611 |
| 2020's | 2 (4.26) | 2.80 |
| Authors | Studies |
|---|---|
| Bellows, DS; Clarke, ID; Diamandis, P; Dirks, PB; Graham, J; Jamieson, LG; Ling, EK; Sacher, AG; Tyers, M; Ward, RJ; Wildenhain, J | 1 |
| Colldén, H; Gustafsson, KL; Landin, A; Nilsson, ME; Norlén, AK; Ohlsson, C; Poutanen, M; Ryberg, H; Vandenput, L; Windahl, SH; Wu, J | 1 |
| Chen, F; Chen, G; Chen, L; Chen, M; Huang, Q; Lin, C; Yang, X; Yin, G; Yin, H; Zhang, W | 1 |
| Calzada, M; Corbalán, S; Hernández, AI; López, N; Mendiola, J; Noguera, JA; Sanchez, M; Torres, AM | 1 |
| Grebe, SK; Kaur, S; Ketha, H; Singh, RJ | 1 |
| Al Hamid, AA; Atef, A; El Dayem, SM; El Mougy, F; Galal, A; Hafez, M; Kandil, M | 1 |
| Ambroziak, U; Bartoszewicz, Z; Bednarczuk, T; Dadlez, M; Jaźwiec, R; Kępczyńska-Nyk, A; Kondracka, A; Kuryłowicz, A; Małunowicz, EM; Pawłowska, E; Szcześniak, M; Wysłouch-Cieszyńska, A | 1 |
| Dutov, AA; Lukyanova, YL; Nikitin, DA; Shemiakina, NA | 1 |
| Ahmed, S; Dhanani, S; Lota, RK; Olusanjo, MS; Owen, CP | 1 |
| Cheng, C; Tsai, HR | 1 |
| Abiven-Lepage, G; Bertagna, X; Bertherat, J; d'Alva, CB; Dugue, MA; Groussin, L; Viallon, V | 1 |
| Blamires, T; Bunker, AM; Erdogan, E; Kushnir, MM; Meikle, AW; Roberts, WL; Rockwood, AL; Yue, B | 1 |
| Baccini, M; Belluomo, I; Casadio, E; Casetta, B; Cuomo, G; De Iasio, R; Di Lallo, VD; Fanelli, F; Gambineri, A; Grossi, G; Pagotto, U; Pasquali, R; Vicennati, V | 1 |
| Chalioti, MB; Livadara, T; Magnisali, P; Malamitsi-Puchner, A; Mataragas, M; Moutsatsou, P; Paliatsiou, S | 1 |
| Adaway, J; Brabant, G; Hannemann, A; Haring, R; John, U; Keevil, BG; Nauck, M; Owen, L; Radke, D; Wallaschofski, H | 1 |
| Chen, YL; Cheng, HL; Cheng, SF; Wang, CC | 1 |
| Déchaud, H; Kaaks, R; Rinaldi, S; Toniolo, P | 1 |
| González, A; Piferrer, F | 1 |
| Kayser, L; Liu, XC | 1 |
| Boudou, P; Fiet, J; Galons, H; Giton, F; Ibrahim, F; Julien, R; Villette, JM | 1 |
| Besser, GM; Chew, SL; Grossman, AB; Isidori, AM; Jenkins, PJ; Kaltsas, GA; Kola, BP; Monson, JP; Skelly, RH | 1 |
| Dacie, JE; Grossman, AB; Hanson, JA; Isidori, AM; Kaltsas, GA; Kola, B; Monson, JP; Mukherjee, JJ; Reznek, R | 1 |
| Casetta, B; Hahn, SH; Lacey, JM; Lymp, J; Magera, MJ; Matern, D; McCann, M; Minutti, CZ; Rinaldo, P; Tauscher, AL | 1 |
| Barnett, MJ; Chen, C; DiTommaso, D; Etzioni, R; Goodman, GE; Lewis, SK; Stanczyk, FZ; Weiss, NS | 1 |
| Chan, M; Guo, T; Soldin, SJ | 1 |
| Chace, DH; Cheillan, D; Dorche, C; Hahn, SH; Lacey, JM; Lymp, JF; Magera, MJ; Matern, D; McCann, M; Minutti, CZ; Rinaldo, P; Schulze, A; Zimmerman, D | 1 |
| Costa, LO; Ferriani, RA; Mendes, MC; Moura, MD; Reis, RM; Silva de Sá, MF | 1 |
| Higashi, T; Shimada, K; Takayama, N | 1 |
| Gallagher, LM; Keevil, BG; Owen, LJ | 1 |
| Blanchett, D; Demers, L; Goss, PE; Langecker, P; Ohorodnik, S; Santen, RJ; Settlage, J; Wang, S | 1 |
| Nyiredy, S; Oroszlán, P; Petri, G; Turiák, G; Veszki, P | 1 |
| Degand, G; Delahaut, P; Duyckaerts, A; Maghuin-Rogister, G; Scippo, ML | 1 |
| Aubin, P; Belanger, A; Boudou, P; Brérault, JL; Fiet, J; Galons, H; Gosling, JP; Julien, R; Soliman, H; Villette, JM | 1 |
| Ekse, D; Lønning, PE | 1 |
| Dombi, GW; Gutai, JP; Liu, H; Schroeder, RR; Swartz, KH; Wade, DD; Walker, VR | 1 |
| Anttila, L; Erkkola, R; Irjala, K; Koskinen, P; Penttilä, TA | 1 |
| Alvin, BL; Carlberg, KA; Gwosdow, AR | 1 |
| Bos-Zuur, I; de la Rivière, GB; Dikkeschei, LD; Nagel, GT; van der Kolk, DA; Willemse, PH; Wolthers, BG | 1 |
| Fujita, S; Funae, Y; Imaoka, S; Ishizuka, M; Iwata, H; Kazusaka, A; Masuda, M; Yamamoto, H; Yamamoto, Y; Yoshino, S | 1 |
| Reid, RG; Stead, DA; Taylor, RB | 1 |
| Danza, G; Guarna, A; Muratori, M; Occhiato, EG; Sadri, R; Serio, M | 1 |
| Azziz, R; Boots, LR; Decanter, C; Dewailly, D; Huerta, R; Knochenhauer, ES | 1 |
| Dowsett, M | 1 |
| Khalid, BA; Lo, MS; Ng, ML; Wu, LL | 1 |
| Iranmanesh, A; Mulligan, T; Veldhuis, JD; Zwart, A | 1 |
| Boudi, A; Boudou, P; Fiet, J; Galons, H; Giton, F; Soliman, H; Villette, JM | 1 |
| Betts, P; Egan, SM; Thomson, S; Wallace, AM; Wood, PJ | 1 |
2 review(s) available for androstenedione and Sensitivity and Specificity
| Article | Year |
|---|---|
Clinical applications of LC-MS sex steroid assays: evolution of methodologies in the 21st century.
Topics: Androstenedione; Chromatography, Liquid; Estradiol; Female; Gonadal Steroid Hormones; Humans; Male; Mass Spectrometry; Radioimmunoassay; Reproducibility of Results; Sensitivity and Specificity; Testosterone | 2014 |
Drug and hormone interactions of aromatase inhibitors.
Topics: Androstenedione; Antineoplastic Agents; Aromatase Inhibitors; Breast Neoplasms; Drug Interactions; Enzyme Inhibitors; Estrogens; Fadrozole; Female; Humans; Letrozole; Male; Neoplasms, Hormone-Dependent; Nitriles; Postmenopause; Premenopause; Sensitivity and Specificity; Tamoxifen; Triazoles | 1999 |
1 trial(s) available for androstenedione and Sensitivity and Specificity
| Article | Year |
|---|---|
Superiority of gas chromatography/tandem mass spectrometry assay (GC/MS/MS) for estradiol for monitoring of aromatase inhibitor therapy.
Topics: Androstenedione; Aromatase Inhibitors; Biological Assay; Breast Neoplasms; Estradiol; Female; Gas Chromatography-Mass Spectrometry; Humans; Letrozole; Nitriles; Placebos; Postmenopause; Radioimmunoassay; Sensitivity and Specificity; Tandem Mass Spectrometry; Triazoles | 2007 |
44 other study(ies) available for androstenedione and Sensitivity and Specificity
| Article | Year |
|---|---|
Chemical genetics reveals a complex functional ground state of neural stem cells.
Topics: Animals; Cell Survival; Cells, Cultured; Mice; Molecular Structure; Neoplasms; Neurons; Pharmaceutical Preparations; Sensitivity and Specificity; Stem Cells | 2007 |
Comprehensive Sex Steroid Profiling in Multiple Tissues Reveals Novel Insights in Sex Steroid Distribution in Male Mice.
Topics: Adipose Tissue, White; Androstenedione; Animals; Dihydrotestosterone; Estradiol; Estrone; Gas Chromatography-Mass Spectrometry; Gonadal Steroid Hormones; Male; Mice; Mice, Inbred C57BL; Orchiectomy; Progesterone; Sensitivity and Specificity; Tandem Mass Spectrometry; Testosterone; Tissue Distribution | 2022 |
Comparison of the efficacy of different androgens measured by LC-MS/MS in representing hyperandrogenemia and an evaluation of adrenal-origin androgens with a dexamethasone suppression test in patients with PCOS.
Topics: Adrenal Cortex Function Tests; Adult; Androstenedione; Area Under Curve; Case-Control Studies; Chromatography, Liquid; Dehydroepiandrosterone; Dehydroepiandrosterone Sulfate; Dexamethasone; Female; Follicle Stimulating Hormone; Glucocorticoids; Humans; Hyperandrogenism; Luteinizing Hormone; Polycystic Ovary Syndrome; Predictive Value of Tests; ROC Curve; Sensitivity and Specificity; Sex Hormone-Binding Globulin; Tandem Mass Spectrometry; Testosterone | 2021 |
AMH in combination with SHBG for the diagnosis of polycystic ovary syndrome.
Topics: Adult; Androstenedione; Anti-Mullerian Hormone; Area Under Curve; Estradiol; Female; Follicle Stimulating Hormone; Humans; Insulin; Luteinizing Hormone; Polycystic Ovary Syndrome; Sensitivity and Specificity; Sex Hormone-Binding Globulin; Testosterone | 2019 |
The role of anti-Mullerian and inhibin B hormones in the evaluation of 46,XY disorders of sex development.
Topics: Adolescent; Androstenedione; Anti-Mullerian Hormone; Child; Child, Preschool; Chorionic Gonadotropin; Cross-Sectional Studies; Dehydroepiandrosterone; Dihydrotestosterone; Disorder of Sex Development, 46,XY; Humans; Infant; Infant, Newborn; Inhibins; Male; Prospective Studies; Sensitivity and Specificity; Testosterone | 2014 |
LC-MS/MS improves screening towards 21-hydroxylase deficiency.
Topics: 17-alpha-Hydroxyprogesterone; Adolescent; Adrenal Hyperplasia, Congenital; Adult; Androstenedione; Chromatography, High Pressure Liquid; Dehydroepiandrosterone Sulfate; Diagnosis, Differential; False Positive Reactions; Female; Hospitals, University; Humans; Immunoassay; Poland; Reagent Kits, Diagnostic; Reproducibility of Results; Sensitivity and Specificity; Tandem Mass Spectrometry; Testosterone; Young Adult | 2015 |
[THE TECHNIQUE OF HIGH-PERFORMANCE LIQUID CHROMATOGRAPHY FOR SIMULTANEOUS DIAGNOSTIC OF INHERENT HYPERPLASIA OF ADRENAL GLANDS TYPE I AND II].
Topics: Acetonitriles; Adrenal Glands; Androstenedione; Chromatography, High Pressure Liquid; Corticosterone; Cortisone; Cortodoxone; Desoxycorticosterone; Dexamethasone; Humans; Hydrocortisone; Hydroxyprogesterones; Hyperplasia; Reproducibility of Results; Sensitivity and Specificity; Testosterone | 2016 |
Synthesis, biochemical evaluation and rationalisation of the inhibitory activity of a range of 4-hydroxyphenyl ketones as potent and specific inhibitors of the type 3 of 17beta-hydroxysteroid dehydrogenase (17beta-HSD3).
Topics: 17-Hydroxysteroid Dehydrogenases; Androstenedione; Catalysis; Dehydroepiandrosterone; Estradiol; Estrone; Inhibitory Concentration 50; Ketones; Models, Chemical; Models, Molecular; Molecular Structure; Rationalization; Sensitivity and Specificity; Structure-Activity Relationship; Testosterone | 2008 |
Analysis of steroids in yeast-mediated cell culture by on-line solid-phase extraction coupled high-performance liquid chromatography electrospray-ionization/mass spectrometry and novel continuous postcolumn infusion of internal standard technique.
Topics: Androstenedione; Artifacts; Cells, Cultured; Chromatography, High Pressure Liquid; Estrone; Oxidation-Reduction; Reference Standards; Saccharomyces cerevisiae; Sensitivity and Specificity; Solid Phase Extraction; Spectrometry, Mass, Electrospray Ionization | 2008 |
Sex steroids in androgen-secreting adrenocortical tumors: clinical and hormonal features in comparison with non-tumoral causes of androgen excess.
Topics: Adolescent; Adrenal Cortex Neoplasms; Adult; Aged; Aged, 80 and over; Androgens; Androstenedione; Biomarkers, Tumor; Dehydroepiandrosterone Sulfate; Estrogens; Female; Follicle Stimulating Hormone; Humans; Hydrocortisone; Luteinizing Hormone; Middle Aged; Reproducibility of Results; Retrospective Studies; Sensitivity and Specificity; Testosterone | 2008 |
Liquid chromatography-tandem mass spectrometry assay for androstenedione, dehydroepiandrosterone, and testosterone with pediatric and adult reference intervals.
Topics: Adolescent; Adult; Aged; Androstenedione; Child; Child, Preschool; Chromatography, Liquid; Dehydroepiandrosterone; Female; Humans; Infant; Male; Middle Aged; Reference Values; Sensitivity and Specificity; Tandem Mass Spectrometry; Testosterone | 2010 |
Serum steroid profiling by isotopic dilution-liquid chromatography-mass spectrometry: comparison with current immunoassays and reference intervals in healthy adults.
Topics: Adult; Androstenedione; Chromatography, Liquid; Female; Humans; Hydrocortisone; Immunoassay; Indicator Dilution Techniques; Male; Mass Spectrometry; Progesterone; Reference Values; Sensitivity and Specificity; Steroids; Testosterone | 2011 |
Simultaneous quantification of 17α-OH progesterone, 11-deoxycortisol, Δ4-androstenedione, cortisol and cortisone in newborn blood spots using liquid chromatography-tandem mass spectrometry.
Topics: 17-alpha-Hydroxyprogesterone; Androstenedione; Blood Specimen Collection; Chromatography, Liquid; Cortisone; Cortodoxone; Female; Humans; Hydrocortisone; Infant, Newborn; Linear Models; Male; Reproducibility of Results; Sensitivity and Specificity; Tandem Mass Spectrometry | 2011 |
Age-specific reference ranges for serum testosterone and androstenedione concentrations in women measured by liquid chromatography-tandem mass spectrometry.
Topics: Adult; Age Distribution; Age Factors; Aged; Aged, 80 and over; Androstenedione; Chromatography, Liquid; Diagnostic Techniques, Endocrine; Female; Humans; Middle Aged; Osmolar Concentration; Reference Values; Sensitivity and Specificity; Tandem Mass Spectrometry; Testosterone; Young Adult | 2012 |
Analysis of anabolic androgenic steroids in urine by full-capillary sample injection combined with a sweeping CE stacking method.
Topics: Androstenedione; Athletes; Calibration; Doping in Sports; Electrophoresis, Capillary; Epitestosterone; Flow Injection Analysis; Hexanes; Humans; Liquid-Liquid Extraction; Reproducibility of Results; Sensitivity and Specificity; Substance Abuse Detection; Testosterone | 2013 |
Reliability and validity of direct radioimmunoassays for measurement of postmenopausal serum androgens and estrogens.
Topics: Androstenedione; Cohort Studies; Estradiol; Estrone; Female; Humans; Postmenopause; Prospective Studies; Radioimmunoassay; Reproducibility of Results; Risk Factors; Sensitivity and Specificity; Testosterone | 2002 |
Characterization of aromatase activity in the sea bass: effects of temperature and different catalytic properties of brain and ovarian homogenates and microsomes.
Topics: Androstenedione; Animals; Aromatase; Bass; Brain; Buffers; Catalysis; Cell Extracts; Coenzymes; Female; Hydrogen-Ion Concentration; Male; Microsomes; Ovary; Reproducibility of Results; Sensitivity and Specificity; Temperature; Time Factors | 2002 |
New approach to regioselective synthesis: using proteins in vitro as guidance-regioselective reduction of steroids with guidance from bovine serum albumin.
Topics: Androstane-3,17-diol; Androstenedione; Borates; Cholestenones; Isomerism; Oxidation-Reduction; Protein Binding; Proteins; Sensitivity and Specificity; Serum Albumin, Bovine; Steroids | 2003 |
Plasma 11beta-hydroxy-4-androstene-3,17-dione: comparison of a time-resolved fluoroimmunoassay using a biotinylated tracer with a radioimmunoassay using a tritiated tracer.
Topics: Androstenedione; Biotin; Dose-Response Relationship, Drug; Europium; Female; Fluoroimmunoassay; Humans; Radioimmunoassay; Reproducibility of Results; Sensitivity and Specificity; Streptavidin | 2003 |
The value of the low-dose dexamethasone suppression test in the differential diagnosis of hyperandrogenism in women.
Topics: Adolescent; Adult; Androstenedione; Dehydroepiandrosterone Sulfate; Dexamethasone; Diagnosis, Differential; Dose-Response Relationship, Drug; Female; Humans; Hydrocortisone; Hyperandrogenism; Ovarian Neoplasms; Polycystic Ovary Syndrome; Sensitivity and Specificity; Testosterone; Ultrasonography | 2003 |
Is ovarian and adrenal venous catheterization and sampling helpful in the investigation of hyperandrogenic women?
Topics: Adrenal Gland Neoplasms; Adrenal Glands; Adult; Androstenedione; Blood Specimen Collection; Catheterization; Dehydroepiandrosterone Sulfate; Dexamethasone; Female; Glucocorticoids; Humans; Hyperandrogenism; Medical Audit; Middle Aged; Ovarian Neoplasms; Ovary; Polycystic Ovary Syndrome; Predictive Value of Tests; Retrospective Studies; Sensitivity and Specificity; Testosterone; Tomography, X-Ray Computed; Ultrasonography | 2003 |
Improved specificity of newborn screening for congenital adrenal hyperplasia by second-tier steroid profiling using tandem mass spectrometry.
Topics: Adrenal Hyperplasia, Congenital; Androstenedione; Chromatography, Liquid; False Positive Reactions; Humans; Hydrocortisone; Immunoassay; Infant, Newborn; Mass Screening; Progesterone; Sensitivity and Specificity; Spectrometry, Mass, Electrospray Ionization; Steroids | 2004 |
Endogenous sex hormones and prostate cancer risk: a case-control study nested within the Carotene and Retinol Efficacy Trial.
Topics: Age Distribution; Aged; Androstenedione; Antioxidants; Biomarkers, Tumor; Carotenoids; Case-Control Studies; Confidence Intervals; Estradiol; Gonadal Steroid Hormones; Humans; Incidence; Male; Middle Aged; Odds Ratio; Probability; Prostate-Specific Antigen; Prostatic Neoplasms; Radioimmunoassay; Reference Values; Risk Assessment; Sensitivity and Specificity; Sex Hormone-Binding Globulin; Testosterone; Vitamin A | 2003 |
Steroid profiles using liquid chromatography-tandem mass spectrometry with atmospheric pressure photoionization source.
Topics: 17-alpha-Hydroxyprogesterone; Androstenedione; Chemistry Techniques, Analytical; Chromatography, Liquid; Cortodoxone; Dehydroepiandrosterone; Dehydroepiandrosterone Sulfate; Estradiol; Estriol; Hydrocortisone; Mass Spectrometry; Progesterone; Reference Standards; Reproducibility of Results; Sensitivity and Specificity; Specimen Handling; Steroids; Testosterone | 2004 |
Steroid profiling by tandem mass spectrometry improves the positive predictive value of newborn screening for congenital adrenal hyperplasia.
Topics: 17-alpha-Hydroxyprogesterone; Adrenal Hyperplasia, Congenital; Androstenedione; Chromatography, Liquid; Humans; Hydrocortisone; Infant, Newborn; Mass Spectrometry; Neonatal Screening; Predictive Value of Tests; Retrospective Studies; Sensitivity and Specificity; Single-Blind Method | 2004 |
Estradiol and testosterone concentrations in follicular fluid as criteria to discriminate between mature and immature oocytes.
Topics: Adult; Androstenedione; Biomarkers; Chorionic Gonadotropin; Estradiol; Female; Fertilization in Vitro; Follicular Fluid; Gonadal Steroid Hormones; Humans; Infertility, Female; Oocytes; Ovulation Induction; Progesterone; ROC Curve; Sensitivity and Specificity; Testosterone | 2004 |
Enzymic conversion of 3beta-hydroxy-5-ene-steroids and their sulfates to 3-oxo-4-ene-steroids for increasing sensitivity in LC-APCI-MS.
Topics: Androstenedione; Chemistry, Pharmaceutical; Cholesterol Oxidase; Chromatography, Liquid; Dehydroepiandrosterone; Drug Industry; Humans; Mass Spectrometry; Pregnenolone; Progesterone; Sensitivity and Specificity; Steroids; Sulfates; Testosterone; Time Factors | 2005 |
Simultaneous determination of androstenedione and testosterone in human serum by liquid chromatography-tandem mass spectrometry.
Topics: Androstenedione; Calibration; Chromatography, Liquid; Female; Humans; Reference Standards; Sensitivity and Specificity; Tandem Mass Spectrometry; Testosterone | 2007 |
[Gas chromatographic analysis of cannabinoids on tandem columns].
Topics: Androstenedione; Cannabinoids; Cannabis; Chromatography, Gas; Reference Standards; Sensitivity and Specificity | 1995 |
Control of the illegal administration of natural steroid hormones in the plasma of bulls and heifers.
Topics: Anabolic Agents; Androstenedione; Animals; Antibody Specificity; Cattle; Hormones; Male; Quality Control; Radioimmunoassay; Reference Values; Sensitivity and Specificity; Steroids; Testosterone | 1994 |
Hirsutism and acne in women: coordinated radioimmunoassays for eight relevant plasma steroids.
Topics: 17-alpha-Hydroxypregnenolone; 17-alpha-Hydroxyprogesterone; Acne Vulgaris; Adolescent; Adult; Androstenedione; Cortodoxone; Dehydroepiandrosterone; Female; Follicular Phase; Hirsutism; Humans; Hydroxyprogesterones; Radioimmunoassay; Reference Values; Sensitivity and Specificity; Steroids; Testosterone | 1994 |
A sensitive assay for measurement of plasma estrone sulphate in patients on treatment with aromatase inhibitors.
Topics: Aminoglutethimide; Androstenedione; Antineoplastic Combined Chemotherapy Protocols; Aromatase Inhibitors; Breast Neoplasms; Enzyme Inhibitors; Estrone; Female; Humans; Hydrolysis; Menopause; Radioimmunoassay; Sensitivity and Specificity | 1995 |
Semiautomated method for the quantitation of plasma or sera androstenedione, testosterone, and dihydrotestosterone in population studies.
Topics: Adult; Androstenedione; Autoanalysis; Chromatography, High Pressure Liquid; Cross Reactions; Dihydrotestosterone; Female; Humans; Male; Population Surveillance; Prostatectomy; Reference Values; Reproducibility of Results; Sensitivity and Specificity; Testosterone | 1996 |
Optimal use of hormone determinations in the biochemical diagnosis of the polycystic ovary syndrome.
Topics: Adolescent; Adult; Androgens; Androstenedione; Female; Follicle Stimulating Hormone; Gonadotropins, Pituitary; Humans; Luteinizing Hormone; Polycystic Ovary Syndrome; Reference Values; Retrospective Studies; Sensitivity and Specificity; Sex Hormone-Binding Globulin | 1996 |
Exercise during pregnancy and maternal and fetal plasma corticosterone and androstenedione in rats.
Topics: Androstenedione; Animals; Corticosterone; Female; Fetal Blood; Fetus; Physical Conditioning, Animal; Physical Exertion; Pregnancy; Pregnancy, Animal; Radioligand Assay; Rats; Rats, Sprague-Dawley; Reproducibility of Results; Sensitivity and Specificity | 1996 |
Optimization of a classical aromatase activity assay and application in normal, adenomatous and malignant breast parenchyma.
Topics: Adenoma; Androstenedione; Aromatase; Breast; Breast Neoplasms; Carcinoma; Estradiol; Estrone; Female; Humans; Kinetics; NADP; Placenta; Postmenopause; Premenopause; Sensitivity and Specificity; Testosterone | 1996 |
Isozyme selective alterations of the expression of cytochrome P450 during regeneration of male rat liver following partial hepatectomy.
Topics: Androstenedione; Animals; Blotting, Western; Cytochrome P-450 Enzyme System; Female; Hepatectomy; Imipramine; Isoenzymes; Liver; Liver Regeneration; Male; Oxidoreductases; Rats; Rats, Wistar; Sensitivity and Specificity; Sex Factors | 1997 |
Capillary electrochromatography of steroids increased sensitivity by on-line concentration and comparison with high-performance liquid chromatography.
Topics: 17-alpha-Hydroxyprogesterone; 20-alpha-Dihydroprogesterone; Acetonitriles; Androstenedione; Chromatography; Chromatography, High Pressure Liquid; Hydrogen-Ion Concentration; Methanol; Norethindrone; Progesterone; Sensitivity and Specificity; Solvents; Steroids; Testosterone | 1998 |
Pharmacokinetics of 4-hydroxyandrostenedione in man after intramuscular injection of different formulations and the effect of this drug on plasma aromatizable androgens and 17beta-estradiol concentrations.
Topics: Androgens; Androstenedione; Aromatase Inhibitors; Chemistry, Pharmaceutical; Enzyme Inhibitors; Estradiol; Gas Chromatography-Mass Spectrometry; Humans; Injections, Intramuscular; Male; Particle Size; Reproducibility of Results; Sensitivity and Specificity; Testosterone | 1993 |
11beta-hydroxyandrostenedione and delta5-androstenediol as markers of adrenal androgen production in patients with 21-hydroxylase-deficient nonclassic adrenal hyperplasia.
Topics: Adrenal Hyperplasia, Congenital; Adult; Androgens; Androstenedione; Biomarkers; Body Mass Index; Case-Control Studies; Female; Humans; Reproducibility of Results; Sensitivity and Specificity | 1999 |
Measurement of androstenedione levels by an in-house radioimmunoassay.
Topics: 17-alpha-Hydroxyprogesterone; Adolescent; Adrenal Hyperplasia, Congenital; Adult; Androstenedione; Child; Child, Preschool; Circadian Rhythm; Female; Humans; Infant; Infant, Newborn; Infant, Premature; Infant, Premature, Diseases; Male; Middle Aged; Pregnancy; Puberty; Radioimmunoassay; Reference Values; Reproducibility of Results; Sensitivity and Specificity | 1996 |
Muting of androgen negative feedback unveils impoverished gonadotropin-releasing hormone/luteinizing hormone secretory reactivity in healthy older men.
Topics: Adolescent; Adult; Aged; Aging; Androgens; Androstenedione; Dehydroepiandrosterone; Feedback; Follicle Stimulating Hormone; Gonadotropin-Releasing Hormone; Humans; Insulin-Like Growth Factor I; Ketoconazole; Luteinizing Hormone; Male; Middle Aged; Prolactin; Radioimmunoassay; Reference Values; Sensitivity and Specificity; Testosterone; Thyrotropin; Time Factors | 2001 |
Development of a sensitive and specific new plasma 4-androstene-3,17- dione time-resolved fluoroimmunoassay (TR-FIA).
Topics: Adolescent; Adult; Androstenedione; Animals; Biotin; Child; Chromatography; Dose-Response Relationship, Drug; Europium; Female; Fluoroimmunoassay; Humans; Male; Models, Chemical; Rabbits; Radioimmunoassay; Reproducibility of Results; Sensitivity and Specificity | 2001 |
A bloodspot androstenedione assay suitable for home-monitoring of steroid replacement therapy in congenital adrenal hyperplasia.
Topics: 17-alpha-Hydroxyprogesterone; Adolescent; Adrenal Cortex Hormones; Adrenal Hyperplasia, Congenital; Adult; Androstenedione; Child; Child, Preschool; Evaluation Studies as Topic; Female; Humans; Hydroxyprogesterones; Immunologic Techniques; Infant; Infant, Newborn; Male; Monitoring, Physiologic; Reference Values; Self Care; Sensitivity and Specificity | 1989 |