Anabolic Steroid Abuse: Psychiatric and Physical Costs
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Dehydroepiandrosterone – Is the Fountain of Youth Drying Out?
Physiol. Res. 52: 397-407, 2003 MINIREVIEW Dehydroepiandrosterone – Is the Fountain of Youth Drying Out? P. CELEC 1,2, L. STÁRKA3 1Faculty of Medicine, 2Faculty of Natural Sciences, Comenius University, Bratislava, Slovakia and 3Institute of Endocrinology, Prague, Czech Republic Received September 15, 2002 Accepted October 7, 2002 Summary Dehydroepiandrosterone (DHEA) and its sulphate-bound form (DHEAS) are important steroids mainly of adrenal origin. Their physiological and pathophysiological functions are not yet fully identified, although a number of various possible features have been hypothesized. Most popular is the description of the “hormone of youth” as the long-term dynamics of DHEA levels are characterized by a sharp age-related decline in the late adulthood and later. Low levels of DHEA are, however, associated not only with the ageing process but also with diabetes mellitus, cardiovascular diseases and some neurological or immunological entities. In the past decade, a number of brief studies have concentrated on these relationships and also on the role of exogenous DHEA in health, disease and human well-being. This article tries to summarize some of the most important facts achieved recently. Key words Dehydroepiandrosterone • Intracrinology • Hormone replacement therapy • Steroids Introduction functions: 1) DHEA is an endogenous metabolite that cannot be patented so that pharmaceutical companies are In 1934 Butenandt and Dannenbaum isolated not interested in supporting research in this field. dehydroepiandrosterone (DHEA) from urine and in 1944 2) DHEA can be described as a “human molecule” Munson and colleagues identified its 3β-sulphate because other investigated species have much lower (DHEAS). Even now, nearly 70 years later, we still do concentrations. -
Bipolar Androgen Therapy (BAT) in Men with Prostate Cancer
Bipolar Androgen Therapy (BAT) in men with prostate cancer Samuel Denmeade, MD Professor of Oncology, Urology and Pharmacology The Johns Hopkins University School of Medicine, Baltimore, MD Presentation Overview • Androgen and Androgen Signaling 101 • Rationale For Bipolar Androgen Therapy (BAT) • Results from the RESTORE study testing BAT in Castration Resistant Prostate Cancer • The multi-center TRANSFORMER Trial • Future Directions • Results of BATMAN trial testing BAT as part of Intermittent Hormone Therapy strategy Testosterone Replacement Anabolic Steroids Trenbolone Acetate (Fina-Finaplix H pellets) High Dose Testosterone as Treatment for Prostate Cancer What Are Androgens? • Steroid hormone which can bind to Androgen Receptor – Testosterone, Dihydrotestosterone (DHT), DHEA, Androstenedione… • Sexual Differentiation – Needed to make a Male (Female is Default) • Primary Sex Characteristics: – Spermatogenesis – Accessory Sex Tissue Maintenance • Penis, Prostate... • Secondary Sex Characteristics: – Bone density – Muscle mass – Libido – Hair growth – Hematopoiesis What is a Steroid Hormone? Testosterone (T) Dihydrotestosterone (DHT) Estrogen How are Androgens Made? Androgen Receptor Signaling 101 Androgen Active Androgen Receptor (Testosterone) Androgen Receptor How Do Androgens Effect the Prostate Cell? NTD- Signaling Part DBD- DNA Binding Part LBD- Androgen Binding Part Cytoplasm Cell Nucleus Binds and activates genes: -Cell Growth -Cell Survival -Make prostate stuff like PSA, Acid Phosphatase, etc. DNA The Devilish Prostate • Physiologic -
Comparison of the Effects of High Dose Testosterone and 19-Nortestosterone to a Replacement Dose of Testosterone on Strength and Body Composition in Normal Men
J. Steroid Biochem. Molec. Biol. Vol. 40, No. 4-6, pp. 607~12, 1991 0960-0760/91 $3.00 + 0.00 Printed in Great Britain Pergamon Press plc COMPARISON OF THE EFFECTS OF HIGH DOSE TESTOSTERONE AND 19-NORTESTOSTERONE TO A REPLACEMENT DOSE OF TESTOSTERONE ON STRENGTH AND BODY COMPOSITION IN NORMAL MEN KARL E. FRIEDL,* JOSEPH R. DETTORI, CHARLES J. HANNAN JR, TROY H. PATIENCE and STEPHENR. PLYMATE Exercise Physiology Division, U.S. Army Research Institute of Environmental Medicine, Natick, MA and Department of Clinical Investigation, Madigan Army Medical Center, Tacoma, WA, U.S.A. Summary--We examined the extent to which supraphysiological doses of androgen can modify body composition and strength in normally virilized men. In doubly blind tests, 30 healthy young men received testosterone enanthate (TE) or 19-nortestosterone decanoate (ND), at 100mg/wk or 300mg/wk for 6 weeks. The TE-100mg/wk group served as replacement dose comparison, maintaining pretreatment serum testosterone levels, while keeping all subjects blinded to treatment, particularly through reduction in testicular volumes. Isokinetic strength measurements were made for the biceps brachii and quadriceps femoris muscle groups before treatment and 2-3 days after the 6th injection. Small improvements were noted in all groups but the changes were highly variable; a trend to greater and more consistent strength gain occurred in the TE-300mg/wk group. There was no change in weight for TE-100 mg/wk but an average gain of 3 kg in each of the other groups. No changes in 4 skinfold thicknesses or in estimated percent body fat were observed. -
Albany-Molecular-Research-Regulatory
PRODUCT CATALOGUE API COMMERCIAL US EU Japan US EU Japan API Name Site CEP India API Name Site CEP India DMF DMF DMF DMF DMF DMF A Abiraterone Malta • Benztropine Mesylate Cedarburg • Adenosine Rozzano - Quinto de' Stampi • • * Betaine Citrate Anhydrous Bon Encontre • Betametasone-17,21- Alcaftadine Spain Spain • • Dipropionate Sterile • Alclometasone-17, 21- Spain Betamethasone Acetate Spain Dipropionate • • Altrenogest Spain • • Betamethasone Base Spain Amphetamine Aspartate Rensselaer Betamethasone Benzoate Spain * Monohydrate Milled • Betamethasone Valerate Amphetamine Sulfate Rensselaer Spain * • Acetate Betamethasone-17,21- Argatroban Rozzano - Quinto de' Stampi Spain • • Dipropionate • • • Atenolol India • • Betamethasone-17-Valerate Spain • • Betamethasone-21- Atracurium Besylate Rozzano - Quinto de' Stampi Spain • Phosphate Disodium Salt • • Bromfenac Monosodium Atropine Sulfate Cedarburg Lodi * • Salt Sesquihydrate • • Azanidazole Lodi Bromocriptine Mesylate Rozzano - Quinto de' Stampi • • • • • Azelastine HCl Rozzano - Quinto de' Stampi • • Budesonide Spain • • Aztreonam Rozzano - Valle Ambrosia • • Budesonide Sterile Spain • • B Bamifylline HCl Bon Encontre • Butorphanol Tartrate Cedarburg • Beclomethasone-17, 21- Spain Capecitabine Lodi Dipropionate • C • 2 *Please contact our Accounts Managers in case you are interested in this API. 3 PRODUCT CATALOGUE API COMMERCIAL US EU Japan US EU Japan API Name Site CEP India API Name Site CEP India DMF DMF DMF DMF DMF DMF Dexamethasone-17,21- Carbimazole Bon Encontre Spain • Dipropionate -
COVID-19—The Potential Beneficial Therapeutic Effects of Spironolactone During SARS-Cov-2 Infection
pharmaceuticals Review COVID-19—The Potential Beneficial Therapeutic Effects of Spironolactone during SARS-CoV-2 Infection Katarzyna Kotfis 1,* , Kacper Lechowicz 1 , Sylwester Drozd˙ zal˙ 2 , Paulina Nied´zwiedzka-Rystwej 3 , Tomasz K. Wojdacz 4, Ewelina Grywalska 5 , Jowita Biernawska 6, Magda Wi´sniewska 7 and Miłosz Parczewski 8 1 Department of Anesthesiology, Intensive Therapy and Acute Intoxications, Pomeranian Medical University in Szczecin, 70-111 Szczecin, Poland; [email protected] 2 Department of Pharmacokinetics and Monitored Therapy, Pomeranian Medical University, 70-111 Szczecin, Poland; [email protected] 3 Institute of Biology, University of Szczecin, 71-412 Szczecin, Poland; [email protected] 4 Independent Clinical Epigenetics Laboratory, Pomeranian Medical University, 71-252 Szczecin, Poland; [email protected] 5 Department of Clinical Immunology and Immunotherapy, Medical University of Lublin, 20-093 Lublin, Poland; [email protected] 6 Department of Anesthesiology and Intensive Therapy, Pomeranian Medical University in Szczecin, 71-252 Szczecin, Poland; [email protected] 7 Clinical Department of Nephrology, Transplantology and Internal Medicine, Pomeranian Medical University, 70-111 Szczecin, Poland; [email protected] 8 Department of Infectious, Tropical Diseases and Immune Deficiency, Pomeranian Medical University in Szczecin, 71-455 Szczecin, Poland; [email protected] * Correspondence: katarzyna.kotfi[email protected]; Tel.: +48-91-466-11-44 Abstract: In March 2020, coronavirus disease 2019 (COVID-19) caused by SARS-CoV-2 was declared Citation: Kotfis, K.; Lechowicz, K.; a global pandemic by the World Health Organization (WHO). The clinical course of the disease is Drozd˙ zal,˙ S.; Nied´zwiedzka-Rystwej, unpredictable but may lead to severe acute respiratory infection (SARI) and pneumonia leading to P.; Wojdacz, T.K.; Grywalska, E.; acute respiratory distress syndrome (ARDS). -
Expression of Recombinant Human Androgen Receptor and Its Use for Screening Methods
Institut für Physiologie FML Weihenstephan Technische Universität München Expression of recombinant human androgen receptor and its use for screening methods Ellinor Rose Sigrid Bauer Vollständiger Abdruck der von der Fakultät Wissenschaftszentrum Weihenstephan für Ernährung, Landnutzung und Umwelt der Technischen Universität München zur Erlangung des akademischen Grades eines Doktors der Naturwissenschaften genehmigten Dissertation. Vorsitzender: Univ.-Prof. Dr. B. Hock Prüfer der Dissertation: Univ.-Prof. Dr. H. H. D. Meyer Univ.-Prof. Dr. H. Sauerwein (Rheinische Friedrich-Wilhelms-Universität Bonn) Die Dissertation wurde am 31.10.2002 bei der Technischen Universität München eingereicht und durch die Fakultät Wissenschaftszentrum Weihenstephan für Ernährung, Landnutzung und Umwelt am 03.12.2002 angenommen. Introduction Content 1. INTRODUCTION ..................................................................................................................................... 5 1.1. ENDOCRINE DISRUPTERS 5 1.2. ANDROGENS AND ANTIANDROGENS 7 1.2.1. DEFINITIONS 7 1.2.2. MODE OF ACTION 8 1.3. STRUCTURES OF ENDOCRINE DISRUPTERS 10 1.4. STRATEGIES FOR MONITORING ANDROGEN ACTIVE SUBSTANCES 13 1.4.1. IN VIVO METHODS 13 1.4.2. IN VITRO METHODS 15 1.5. OBJEKTIVE OF THE STUDIES 18 2. MATERIALS AND METHODS ................................................................................................................. 19 2.1. PREPARATION OF RECEPTORS 19 2.2. ASSAY SYSTEMS 19 2.2.1. IN SOLUTION AR ASSAY 19 2.2.2. IMMUNO-IMMOBILISED RECEPTOR ASSAY (IRA) 20 2.2.3. PR AND SHBG ASSAYS 21 2.2.4. DATA EVALUATION 21 2.3. ANALYTES 22 3. RESULTS AND DISCUSSION ................................................................................................................. 23 3.1. DEVELOPMENT OF NEW ASSAY SYSTEMS 23 3.1.1. BAR ASSAY 23 3.1.2. CLONING OF THE HUMAN AR AND PRODUCTION OF FUNCTIONAL PROTEIN 24 3.1.3. DEVELOPMENT OF A SCREENING ASSAY ON MICROTITRE PLATES (IRA) 25 3.2. -
Download Product Insert (PDF)
Product Information Boldenone Cypionate Item No. 15158 CAS Registry No.: 106505-90-2 O Formal Name: 17β-hydroxy-androsta-1,4-dien-3-one O cyclopentanepropionate MF: C27H38O3 FW: 410.6 H Purity: ≥95% Stability: ≥2 years at -20°C H H Supplied as: A crystalline solid λ O UV/Vis.: max: 244 nm Laboratory Procedures For long term storage, we suggest that boldenone cypionate be stored as supplied at -20°C. It should be stable for at least two years. Boldenone cypionate is supplied as a crystalline solid. A stock solution may be made by dissolving the boldenone cypionate in the solvent of choice. Boldenone cypionate is soluble in organic solvents such as ethanol, DMSO, and dimethyl formamide, which should be purged with an inert gas. The solubility of boldenone cypionate in these solvents is approximately 15, 5, and 25 mg/ml, respectively. Boldenone cypionate is sparingly soluble in aqueous buffers. For maximum solubility in aqueous buffers, boldenone cypionate should first be dissolved in ethanol and then diluted with the aqueous buffer of choice. Boldenone cypionate has a solubility of approximately 0.3 mg/ml in a 1:2 solution of ethanol:PBS (pH 7.2) using this method. We do not recommend storing the aqueous solution for more than one day. Boldenone is an anabolic androgenic steroid and synthetic derivative of testosterone that was originally developed for veterinary use.1 It can increase nitrogen retention, protein synthesis, and appetite, and also stimulates the release of erythropoietin in the kidneys.1 Boldenone cypionate was synthesized as an ester of boldenone in an attempt to alter boldenone’s very long half-life.2 Anabolic androgenic steroid compounds such as boldenone cypionate have been used illicitly by bodybuilders and other athletes.3 This compound is intended for forensic and research purposes only. -
Effect of Dehydroepiandrosterone and Testosterone Supplementation on Systemic Lipolysis
ORIGINAL ARTICLE Effect of Dehydroepiandrosterone and Testosterone Supplementation on Systemic Lipolysis Ana E. Espinosa De Ycaza, Robert A. Rizza, K. Sreekumaran Nair, and Michael D. Jensen Division of Endocrinology, Endocrine Research Unit, Mayo Clinic, Rochester, Minnesota 55905 Downloaded from https://academic.oup.com/jcem/article/101/4/1719/2804555 by guest on 24 September 2021 Context: Dehydroepiandrosterone (DHEA) and T hormones are advertised as antiaging, antiobe- sity products. However, the evidence that these hormones have beneficial effects on adipose tissue metabolism is limited. Objective: The objective of the study was to determine the effect of DHEA and T supplementation on systemic lipolysis during a mixed-meal tolerance test (MMTT) and an iv glucose tolerance test (IVGTT). Design: This was a 2-year randomized, double-blind, placebo-controlled trial. Setting: The study was conducted at a general clinical research center. Participants: Sixty elderly women with low DHEA concentrations and 92 elderly men with low DHEA and bioavailable T concentrations participated in the study. Interventions: Elderly women received 50 mg DHEA (n ϭ 30) or placebo (n ϭ 30). Elderly men received 75 mg DHEA (n ϭ 30),5mgT(nϭ 30), or placebo (n ϭ 32). Main Outcome Measures: In vivo measures of systemic lipolysis (palmitate rate of appearance) during a MMTT or IVGTT. Results: At baseline there was no difference in insulin suppression of lipolysis measured during MMTT and IVGTT between the treatment groups and placebo. For both sexes, a univariate analysis showed no difference in changes in systemic lipolysis during the MMTT or IVGTT in the DHEA group and T group when compared with placebo. -
Properties and Units in Clinical Pharmacology and Toxicology
Pure Appl. Chem., Vol. 72, No. 3, pp. 479–552, 2000. © 2000 IUPAC INTERNATIONAL FEDERATION OF CLINICAL CHEMISTRY AND LABORATORY MEDICINE SCIENTIFIC DIVISION COMMITTEE ON NOMENCLATURE, PROPERTIES, AND UNITS (C-NPU)# and INTERNATIONAL UNION OF PURE AND APPLIED CHEMISTRY CHEMISTRY AND HUMAN HEALTH DIVISION CLINICAL CHEMISTRY SECTION COMMISSION ON NOMENCLATURE, PROPERTIES, AND UNITS (C-NPU)§ PROPERTIES AND UNITS IN THE CLINICAL LABORATORY SCIENCES PART XII. PROPERTIES AND UNITS IN CLINICAL PHARMACOLOGY AND TOXICOLOGY (Technical Report) (IFCC–IUPAC 1999) Prepared for publication by HENRIK OLESEN1, DAVID COWAN2, RAFAEL DE LA TORRE3 , IVAN BRUUNSHUUS1, MORTEN ROHDE1, and DESMOND KENNY4 1Office of Laboratory Informatics, Copenhagen University Hospital (Rigshospitalet), Copenhagen, Denmark; 2Drug Control Centre, London University, King’s College, London, UK; 3IMIM, Dr. Aiguader 80, Barcelona, Spain; 4Dept. of Clinical Biochemistry, Our Lady’s Hospital for Sick Children, Crumlin, Dublin 12, Ireland #§The combined Memberships of the Committee and the Commission (C-NPU) during the preparation of this report (1994–1996) were as follows: Chairman: H. Olesen (Denmark, 1989–1995); D. Kenny (Ireland, 1996); Members: X. Fuentes-Arderiu (Spain, 1991–1997); J. G. Hill (Canada, 1987–1997); D. Kenny (Ireland, 1994–1997); H. Olesen (Denmark, 1985–1995); P. L. Storring (UK, 1989–1995); P. Soares de Araujo (Brazil, 1994–1997); R. Dybkær (Denmark, 1996–1997); C. McDonald (USA, 1996–1997). Please forward comments to: H. Olesen, Office of Laboratory Informatics 76-6-1, Copenhagen University Hospital (Rigshospitalet), 9 Blegdamsvej, DK-2100 Copenhagen, Denmark. E-mail: [email protected] Republication or reproduction of this report or its storage and/or dissemination by electronic means is permitted without the need for formal IUPAC permission on condition that an acknowledgment, with full reference to the source, along with use of the copyright symbol ©, the name IUPAC, and the year of publication, are prominently visible. -
UFC PROHIBITED LIST Effective June 1, 2021 the UFC PROHIBITED LIST
UFC PROHIBITED LIST Effective June 1, 2021 THE UFC PROHIBITED LIST UFC PROHIBITED LIST Effective June 1, 2021 PART 1. Except as provided otherwise in PART 2 below, the UFC Prohibited List shall incorporate the most current Prohibited List published by WADA, as well as any WADA Technical Documents establishing decision limits or reporting levels, and, unless otherwise modified by the UFC Prohibited List or the UFC Anti-Doping Policy, Prohibited Substances, Prohibited Methods, Specified or Non-Specified Substances and Specified or Non-Specified Methods shall be as identified as such on the WADA Prohibited List or WADA Technical Documents. PART 2. Notwithstanding the WADA Prohibited List and any otherwise applicable WADA Technical Documents, the following modifications shall be in full force and effect: 1. Decision Concentration Levels. Adverse Analytical Findings reported at a concentration below the following Decision Concentration Levels shall be managed by USADA as Atypical Findings. • Cannabinoids: natural or synthetic delta-9-tetrahydrocannabinol (THC) or Cannabimimetics (e.g., “Spice,” JWH-018, JWH-073, HU-210): any level • Clomiphene: 0.1 ng/mL1 • Dehydrochloromethyltestosterone (DHCMT) long-term metabolite (M3): 0.1 ng/mL • Selective Androgen Receptor Modulators (SARMs): 0.1 ng/mL2 • GW-1516 (GW-501516) metabolites: 0.1 ng/mL • Epitrenbolone (Trenbolone metabolite): 0.2 ng/mL 2. SARMs/GW-1516: Adverse Analytical Findings reported at a concentration at or above the applicable Decision Concentration Level but under 1 ng/mL shall be managed by USADA as Specified Substances. 3. Higenamine: Higenamine shall be a Prohibited Substance under the UFC Anti-Doping Policy only In-Competition (and not Out-of- Competition). -
Reproductive DHEA-S
Reproductive DHEA-S Analyte Information - 1 - DHEA-S Introduction DHEA-S, DHEA sulfate or dehydroepiandrosterone sulfate, it is a metabolite of dehydroepiandrosterone (DHEA) resulting from the addition of a sulfate group. It is the sulfate form of aromatic C19 steroid with 10,13-dimethyl, 3-hydroxy group and 17-ketone. Its chemical name is 3β-hydroxy-5-androsten-17-one sulfate, its summary formula is C19H28O5S and its molecular weight (Mr) is 368.5 Da. The structural formula of DHEA-S is shown in (Fig.1). Fig.1: Structural formula of DHEA-S Other names used for DHEA-S include: Dehydroisoandrosterone sulfate, (3beta)-3- (sulfooxy), androst-5-en-17-one, 3beta-hydroxy-androst-5-en-17-one hydrogen sulfate, Prasterone sulfate and so on. As DHEA-S is very closely connected with DHEA, both hormones are mentioned together in the following text. Biosynthesis DHEA-S is the major C19 steroid and is a precursor in testosterone and estrogen biosynthesis. DHEA-S originates almost exclusively in the zona reticularis of the adrenal cortex (Fig.2). Some may be produced by the testes, none is produced by the ovaries. The adrenal gland is the sole source of this steroid in women, whereas in men the testes secrete 5% of DHEA-S and 10 – 20% of DHEA. The production of DHEA-S and DHEA is regulated by adrenocorticotropin (ACTH). Corticotropin-releasing hormone (CRH) and, to a lesser extent, arginine vasopressin (AVP) stimulate the release of adrenocorticotropin (ACTH) from the anterior pituitary gland (Fig.3). In turn, ACTH stimulates the adrenal cortex to secrete DHEA and DHEA-S, in addition to cortisol. -
Safety Data Sheet
SAFETY DATA SHEET SECTION 1: PRODUCT IDENTIFICATION PRODUCT NAME DHEA (Prasterone) (Micronized) PRODUCT CODE 0733 SUPPLIER MEDISCA Inc. Tel.: 1.800.932.1039 | Fax.: 1.855.850.5855 661 Route 3, Unit C, Plattsburgh, NY, 12901 3955 W. Mesa Vista Ave., Unit A-10, Las Vegas, NV, 89118 6641 N. Belt Line Road, Suite 130, Irving, TX, 75063 MEDISCA Pharmaceutique Inc. Tel.: 1.800.665.6334 | Fax.: 514.338.1693 4509 Rue Dobrin, St. Laurent, QC, H4R 2L8 21300 Gordon Way, Unit 153/158, Richmond, BC V6W 1M2 MEDISCA Australia PTY LTD Tel.: 1.300.786.392 | Fax.: 61.2.9700.9047 Unit 7, Heritage Business Park 5-9 Ricketty Street, Mascot, NSW 2020 EMERGENCY PHONE CHEMTREC Day or Night Within USA and Canada: 1-800-424-9300 NSW Poisons Information Centre: 131 126 USES Adjuvant; Androgen SECTION 2: HAZARDS IDENTIFICATION GHS CLASSIFICATION Toxic to Reproduction (Category 2) PICTOGRAM SIGNAL WORD Warning HAZARD STATEMENT(S) Reproductive effector, prohormone. Suspected of damaging fertility or the unborn child. May cause harm to breast-fed children. Causes serious eye irritation. Causes skin and respiratory irritation. Very toxic to aquatic life with long lasting effects. AUSTRALIA-ONLY HAZARDS Not Applicable. PRECAUTIONARY STATEMENT(S) Prevention Wash thoroughly after handling. Obtain special instructions before use. Do not handle until all safety precautions have been read and understood. Do not breathe dusts or mists. Do not eat, drink or smoke when using this product. Avoid contact during pregnancy/while nursing. Wear protective gloves, protective clothing, eye protection, face protection. Avoid release to the environment. Response IF ON SKIN (HAIR): Wash with plenty of water.