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Stanozolol

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https://www.readbyqxmd.com/read/27896593/biochemical-and-oxidative-stress-markers-in-the-liver-and-kidneys-of-rats-submitted-to-different-protocols-of-anabolic-steroids
#1
Guilherme Lopes Dornelles, Andressa Bueno, Juliana Sorraila de Oliveira, Aleksandro Schafer da Silva, Raqueli Teresinha França, Cássia Bagolin da Silva, Márcia Silveira Netto Machado, Letícia do Santos Petry, Fátima Husein Abdalla, Cibele Lima Lhamas, Cinthia Melazzo de Andrade
The objective of this study was to evaluate the effects of different protocols (P1, P2, and P3) of boldenone undecylenate (BU) and stanozolol (ST) on markers of liver and kidney function and variables of oxidative stress in these organs. For this, 54 male Wistar rats were divided into nine groups of six animals each. Each animal received intramuscularly 5.0 mg kg(-1) of BU or ST once a week for 4 weeks (P1); 2.5 mg kg(-1) of BU or ST once a week for 8 weeks (P2); and 1.25 mg kg(-1) of BU or ST once a week for 12 weeks (P3)...
November 28, 2016: Molecular and Cellular Biochemistry
https://www.readbyqxmd.com/read/27866079/multimodal-plasmonic-biosensing-nanostructures-prepared-by-dna-directed-immobilization-of-multifunctional-dna-gold-nanoparticles
#2
Nuria Tort, J-Pablo Salvador, M-Pilar Marco
Biofunctional multimodal plasmonic nanostructures suitable for multiplexed localized surface plasmon resonance (LSPR) biosensing have been created by DNA-directed immobilization (DDI) of two distinct multifunctional biohybrid gold nanoparticles. Gold nanoparticles (AuNP) of distinct sizes, and therefore showing distinct plasmon resonant peaks (RP), have been biofunctionalized and codified with two different single stranded-DNA (ssDNA) chains. One of these oligonucleotide chains has been specifically designed to direct each AuNP to a distinct location of the surface of a DNA microarray chip through specific hybridization with complementary oligonucleotide strands...
November 11, 2016: Biosensors & Bioelectronics
https://www.readbyqxmd.com/read/27842983/a-novel-hplc-mrm-strategy-to-discover-unknown-and-long-term-metabolites-of-stanozolol-for-expanding-analytical-possibilities-in-doping-control
#3
Zhe Wang, Xinmiao Zhou, Xin Liu, Ying Dong, Jinlan Zhang
Stanozolol is one of the most commonly abused anabolic androgenic steroids (AAS) by athletes and usually detected by its parent drug and major metabolites. However, its metabolic pathway is complex, varied and individually different, it is important to characterize its overall metabolic profiles and discover new and long-term metabolites for the aims of expanding detection windows. High performance liquid chromatography coupled with triple quadrupole mass spectrometer (HPLC-MS/MS) was used to analyze the human urine after oral administration of stanozolol...
November 8, 2016: Journal of Chromatography. B, Analytical Technologies in the Biomedical and Life Sciences
https://www.readbyqxmd.com/read/27714936/detection-of-stanozolol-o-and-n-sulfate-metabolites-and-their-evaluation-as-additional-markers-in-doping-control
#4
Georgina Balcells, Xavier Matabosch, Rosa Ventura
Stanozolol (STAN) is one of the most frequently detected anabolic androgenic steroids in sports drug testing. STAN misuse is commonly detected by monitoring metabolites excreted conjugated with glucuronic acid after enzymatic hydrolysis or using direct detection by liquid chromatography tandem mass spectrometry (LC-MS/MS). It is well known that some of the previously described metabolites are the result of the formation of sulfate conjugates in C17, which are converted to their 17-epimers in urine. Therefore, sulfation is an important phase II metabolic pathway of STAN that has not been comprehensively studied...
October 7, 2016: Drug Testing and Analysis
https://www.readbyqxmd.com/read/27693991/simplifying-and-expanding-analytical-capabilities-for-various-classes-of-doping-agents-by-means-of-direct-urine-injection-high-performance-liquid-chromatography-high-resolution-high-accuracy-mass-spectrometry
#5
Christian Görgens, Sven Guddat, Andreas Thomas, Philipp Wachsmuth, Anne-Katrin Orlovius, Gerd Sigmund, Mario Thevis, Wilhelm Schänzer
So far, in sports drug testing compounds of different classes are processed and measured using different screening procedures. The constantly increasing number of samples in doping analysis, as well as the large number of substances with doping related, pharmacological effects require the development of even more powerful assays than those already employed in sports drug testing, indispensably with reduced sample preparation procedures. The analysis of native urine samples after direct injection provides a promising analytical approach, which thereby possesses a broad applicability to many different compounds and their metabolites, without a time-consuming sample preparation...
November 30, 2016: Journal of Pharmaceutical and Biomedical Analysis
https://www.readbyqxmd.com/read/27687418/perioperative-course-in-patients-with-hereditary-or-acquired-angioedema
#6
Lisa S MacBeth, Gerald W Volcheck, Juraj Sprung, Toby N Weingarten
PURPOSE: Two types of bradykinin-mediated angioedema, hereditary angioedema (HAE) and acquired angioedema (AAE), result from deficiency or dysfunction of C1 esterase inhibitor, leading to an overproduction of bradykinin, which can lead to vascular permeability and life-threatening angioedema of the airway. The objective of this study was to review perioperative outcomes in a series of patients with HAE and AAE and to review current knowledge about anesthetic complications in patients with HAE or AAE...
November 2016: Journal of Clinical Anesthesia
https://www.readbyqxmd.com/read/27272124/blood-biochemical-and-oxidant-antioxidant-alterations-following-stanozolol-treatment-along-with-resistance-training-in-rats
#7
Z Tahernejad, H Baghshani, A Rashidlamir
This study was designed to determine the effects of anabolic steroid stanozolol (ST) in conjunction with 8 weeks of resistance training on some blood biochemical and oxidant/antioxidant profile in rats. Twenty-four male rats were divided into four groups of six each: group 1: sedentary + placebo (physiological saline), group 2: training + placebo, group 3: training + ST (2 mg kg(-1) b.w.) and group 4: training + ST (5 mg kg(-1) b.w.). Erythrocytic activity of glutathione peroxidase was increased significantly in group 4 as compared to control group...
June 8, 2016: Andrologia
https://www.readbyqxmd.com/read/27184497/acute-myocardial-infarction-in-a-young-bodybuilder-taking-anabolic-androgenic-steroids-a-case-report-and-critical-review-of-the-literature
#8
Georgios A Christou, Konstantinos A Christou, Dimitrios N Nikas, John A Goudevenos
We describe a case report of a 30-year-old bodybuilder suffering acute myocardial infarction (AMI). He had been taking stanozolol and testosterone for two months. The coronary angiogram showed high thrombotic burden in the left anterior descending artery without underlying atherosclerosis. Few case reports of AMI in athletes taking anabolic androgenic steroids (AASs) have been reported so far. AAS-related AMI is possibly underreported in the medical literature due to the desire of the affected individuals to hide AAS use...
May 16, 2016: European Journal of Preventive Cardiology
https://www.readbyqxmd.com/read/26801156/stanozolol-decreases-bone-turnover-markers-increases-mineralization-and-alters-femoral-geometry-in-male-rats
#9
E Nebot, V A Aparicio, D Camiletti-Moirón, R Martinez, R G Erben, G Kapravelou, C Sánchez-González, C De Teresa, J M Porres, M López-Jurado, P Aranda, P Pietschmann
Stanozonol (ST) is a synthetic derivative of testosterone; it has anabolic/androgenic activity, increasing both the turnover of trabecular bone and the endocortical apposition of bone. The present study aimed to examine the effects of ST on bone status in rats by bone mineral content, markers of formation and resorption, bone density, and structural and microarchitectural parameters. Twenty male Wistar rats were randomly distributed into two experimental groups corresponding to placebo or ST administration, which consisted of weekly intramuscular injections of 10 mg/kg body weight of ST...
June 2016: Calcified Tissue International
https://www.readbyqxmd.com/read/26252547/high-intensity-exercise-modifies-the-effects-of-stanozolol-on-brain-oxidative-stress-in-rats
#10
D Camiletti-Moirón, V A Aparicio, E Nebot, G Medina, R Martínez, G Kapravelou, A Andrade, J M Porres, M López-Jurado, P Aranda
We analyzed the effects of high-intensity exercise (HIE) and anabolic androgenic steroids (AAS) on brain redox status. 40 male Wistar rats were randomly distributed in 4 experimental groups (n=10) with or without HIE and with or without weekly Stanozolol administration. Thiobarbituric acid-reactive substances (TBARs) and protein carbonyl content (PCC) were assessed. Total superoxide dismutase (tSOD), manganese superoxide dismutase (Mn-SOD), copper/zinc superoxide dismutase (CuZn-SOD) and catalase (CAT) activities were measured...
November 2015: International Journal of Sports Medicine
https://www.readbyqxmd.com/read/26174462/bile-cast-nephropathy-due-to-cholestatic-jaundice-after-using-stanozolol-in-2-amateur-bodybuilders
#11
Seyed Morteza Tabatabaee, Reza Elahi, Shokoufeh Savaj
Elevated level of bile can cause bile cast nephropathy, which can be seen in patients with severe cholestatic liver disease. Stanozolol is a C17α-alkylation steroid derived from dihydrotestosterone and its major adverse effect is cholestatic jaundice. We report 2 bodybuilders who received stanozolol for 6 weeks and developed icterus. Serum total bilirubin was around 50 mg/dL. Liver biopsy showed intrahepatic cholestasis. In spite of fluid and albumin therapy, serum creatinine increased and the patients experienced oliguria...
July 2015: Iranian Journal of Kidney Diseases
https://www.readbyqxmd.com/read/25824243/therapeutic-effects-of-growth-hormone-combined-with-low-dose-stanozolol-on-growth-velocity-and-final-height-of-girls-with-turner-syndrome
#12
Hui Xiong, Hong-Shan Chen, Min-Lian Du, Yan-Hong Li, Hua-Mei Ma, Zhe Su, Qiu-Li Chen
OBJECTIVE: Turner syndrome (TS), which is characterized by short stature and gonadal dysfunction, is managed by pharmacotherapy. This study aimed to investigate the therapeutic effects of recombinant human growth hormone (rhGH) combined with low-dose stanozolol on the growth and final adult height (FAH) of girls with Turner syndrome (TS). DESIGN: Prospective study. PATIENTS: A total of 44 girls with TS were treated with rhGH (47·6-52·4 μg/kg/day) and low-dose stanozolol (20-35 μg/kg/day), starting at a mean age of 12·65 ± 1·99 year...
August 2015: Clinical Endocrinology
https://www.readbyqxmd.com/read/25804946/anabolic-androgenic-steroid-induced-takotsubo-cardiomyopathy
#13
Angelo Placci, Gianluigi Sella, Giancarlo Bellanti, Massimo Margheri
Anabolic steroid abuse, aimed at increasing muscle mass, has been growing in recent years. We describe a case of a 25-year-old bodybuilder who, after taking nandrolone and stanozolol, presented with Takotsubo syndrome. The angiography showed a normal coronary anatomy with the absence of stenosis. The left ventricular function was completely normalised after 1 week.
2015: BMJ Case Reports
https://www.readbyqxmd.com/read/25746760/screening-for-anabolic-steroids-in-sports-analytical-strategy-based-on-the-detection-of-phase-i-and-phase-ii-intact-urinary-metabolites-by-liquid-chromatography-tandem-mass-spectrometry
#14
Georgina Balcells, Oscar J Pozo, Argitxu Esquivel, Aristotelis Kotronoulas, Jesús Joglar, Jordi Segura, Rosa Ventura
In order to improve the detection capabilities of anabolic androgenic steroids (AAS) in sports, a liquid chromatography-tandem mass spectrometry (LC-MS/MS) screening method for the simultaneous detection of AAS phase I and phase II intact urinary metabolites (glucuronides and sulfates) was developed. A total of 36 metabolites (7 unconjugated; 19 glucuronides and 10 sulfates) corresponding to 15 of the most reported AAS were included. Analytes were extracted from urine using C18 cartridges. LC and MS conditions were studied in-depth to determine the most sensitive and selective conditions for each analyte...
April 10, 2015: Journal of Chromatography. A
https://www.readbyqxmd.com/read/25719897/determination-of-anabolic-agents-in-dietary-supplements-by-liquid-chromatography-high-resolution-mass-spectrometry
#15
Sara Odoardi, Erika Castrignanò, Simona Martello, Marcello Chiarotti, Sabina Strano-Rossi
A sensitive method for the identification and quantification of anabolic steroids and clenbuterol at trace levels in dietary supplements by liquid chromatography-high-resolution mass spectrometry (LC-HRMS) in atmospheric pressure ionisation (APCI) mode using a single-stage Orbitrap analyser operating at a resolution power of 100 000 full width at half maximum (FWHM) was developed and validated. A total of 1 g of dietary supplement was added with testosterone-d3 as internal standard, dissolved in methanol, evaporated to dryness, diluted in sodium hydroxide solution and extracted with a mixture of pentane/ethyl ether 9:1...
2015: Food Additives & Contaminants. Part A, Chemistry, Analysis, Control, Exposure & Risk Assessment
https://www.readbyqxmd.com/read/25707325/critical-appraisal-of-androgen-use-in-hereditary-angioedema-a-systematic-review
#16
REVIEW
Marc A Riedl
OBJECTIVE: To provide an objective basis for evaluating the risk-benefit ratio of long-term androgen use in patients with hereditary angioedema (HAE). DATA SOURCES: PubMed was searched with no time limitations using the keywords hereditary angioedema or angio-oedema combined with danazol, stanozolol, and androgen. STUDY SELECTION: Qualifying articles were English-language reports of androgen use in patients with HAE, with relevant safety and/or efficacy information...
April 2015: Annals of Allergy, Asthma & Immunology
https://www.readbyqxmd.com/read/25653671/royal-jelly-alleviates-sperm-toxicity-and-improves-in-vitro-fertilization-outcome-in-stanozolol-treated-mice
#17
Ali Shalizar Jalali, Gholamreza Najafi, Mohammadreza Hosseinchi, Ashkan Sedighnia
BACKGROUND: Stanozolol (ST) is a synthetic anabolic-androgenic steroid often abused by athletes. An increasing body of evidence points towards the role of ST misuses in the pathogenesis of a wide range of adverse effects including reprotoxicity. OBJECTIVE: The aim of this study was to analyze the possible reproprotective effect of royal jelly (RJ) as an efficient antioxidant in ST-treated mice. MATERIALS AND METHODS: Adult male mice were divided into four groups (n=5)...
January 2015: Iranian Journal of Reproductive Medicine
https://www.readbyqxmd.com/read/25652757/liver-enzymes-and-lipid-levels-in-patients-with-lipodermatosclerosis-and-venous-ulcers-treated-with-a-prototypic-anabolic-steroid-stanozolol-a-prospective-randomized-double-blinded-placebo-controlled-trial
#18
RANDOMIZED CONTROLLED TRIAL
Polly Carson, Christine J Hong, Marta Otero-Vinas, Emily Frances Arsenault, Vincent Falanga
Anabolic steroids have been used to treat lower extremity ulcerations, including venous and cryofibrinogenemic ulcers and lipodermatosclerosis (LDS). Yet there have been no studies to determine the severity and reversibility of side effects of anabolic steroids on liver enzymes and lipid profiles in elderly patients. We therefore evaluated, in a prospective, randomized, double-blinded, placebo-controlled trial, the extent and reversibility of abnormal liver enzymes and lipid profiles in patients with LDS and venous leg ulcers treated with stanozolol at 2 mg twice daily for up to 6 months...
March 2015: International Journal of Lower Extremity Wounds
https://www.readbyqxmd.com/read/25632743/-effect-of-treatment-for-hypocellular-myelodysplastic-syndromes-by-a-low-dose-qinghuang-powder-combined-with-chinese-drugs-for-shen-supplementing-and-pi-invigorating-a-clinical-observation
#19
Qing-Bing Zhou, Hong-Zhi Wang, Fei Gao, Xu-Dong Tang, Shu Xu, Xiao-Hong Yang, Yong-Gang Xu, Xiao-Mei Hu, Rou Ma
OBJECTIVE: To observe the clinical efficacy of a low dose Qinghuang Powder (QP) combined with Chinese drugs for Shen supplementing and Pi invigorating (CDSSPI) in treatment of hypocellular myelodysplastic syndromes (hypo-MDS). METHODS: Totally 33 hypo-MDS patients enrolled in this study came from outpatient clinics between November 2011 and December 2012. A self-control method was used in this study. Patients took QP (0.4 g per day) combined with CDSSPI (one dose per day), and Stanozolol Tablet (2 mg each time, three times per day), 3 months as one therapeutic course, a total of 2 courses...
December 2014: Chinese Journal of Integrated Traditional and Western Medicine
https://www.readbyqxmd.com/read/25019034/reactive-arrays-of-colorimetric-sensors-for-metabolite-and-steroid-identification
#20
Gary Batres, Talia Jones, Hannah Johnke, Mark Wilson, Andrea E Holmes, Sharmin Sikich
The work described herein examines a rapid mix-and-measure method called DETECHIP suitable for screening of steroids and metabolites. The addition of steroids and metabolites to reactive arrays of colorimetric sensors generated characteristic color "fingerprints" that were used to identify the analyte. A color analysis tool was used to identify the analyte pool that now includes biologically relevant analytes. The mix-and-measure arrays allowed the detection of disease metabolites, orotic acid and argininosuccinic acid; and the steroids androsterone, 1,4-androstadiene, testosterone, stanozolol, and estrone...
December 31, 2014: Journal of Sensor Technology
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