Androgenic Steroid
Mostrando 1-12 de 14 artigos, teses e dissertações.
-
1. Resting spontaneous baroreflex sensitivity and cardiac autonomic control in anabolic androgenic steroid users
OBJECTIVES: Misuse of anabolic androgenic steroids in athletes is a strategy used to enhance strength and skeletal muscle hypertrophy. However, its abuse leads to an imbalance in muscle sympathetic nerve activity, increased vascular resistance, and increased blood pressure. However, the mechanisms underlying these alterations are still unknown. Therefore, w
Clinics. Publicado em: 21/05/2018
-
2. Morphometric study of the corpus cavernosum after anabolic androgenic steroid administration in pubertal and adult rats
PURPOSE: To evaluate the penile morphological modifications of pubertal and adult rats chronically treated with supra-physiological doses of anabolic androgenic steroids. METHODS: Forty-eight male Wistar rats were distributed into four groups: two control groups, 105- and 65-day-old (C105 and C65, respectively) injected with peanut oil (vehicle); and two tr
Acta Cir. Bras.. Publicado em: 2015-07
-
3. The prostate after administration of anabolic androgenic steroids: a morphometrical study in rats
Purpose Many adverse effects have been associated with abuse of anabolic-androgenic steroids (AAS), including disorders of the urogenital tract. The objective of this study is to analyze the morphological modifications in the prostate ventral lobe of pubertal and adult rats chronically treated with AAS, using morphometric methods. Materials and Methods: We
Int. braz j urol.. Publicado em: 2013-09
-
4. Vascular adaptive responses to physical exercise and to stress are affected differently by nandrolone administration
Androgenic anabolic steroid, physical exercise and stress induce cardiovascular adaptations including increased endothelial function. The present study investigated the effects of these conditions alone and in combination on the vascular responses of male Wistar rats. Exercise was started at 8 weeks of life (60-min swimming sessions 5 days per week for 8 wee
Brazilian Journal of Medical and Biological Research. Publicado em: 2011-04
-
5. Efeitos dos esteróides anabólicos androgênicos sobre a bioquímica, morfologia, biomecânica e expressão gênica de diferentes tendões de ratos submetidos ao exercício de carga
O objetivo desse estudo foi avaliar os efeitos do salto vertical em associação com esteróide anabólico androgênico (EAA) nas propriedades bioquímicas, biomecânicas, morfológicas e a expressão dos principais genes responsáveis pelo remodelamento do tendão calcâneo (TC), tendão flexor superficial (TFS) e tendão flexor profundo (TFP) de ratos. Rat
Publicado em: 2010
-
6. Efeitos da administração prolongada do esteróide anabolizante decanoato de nandrolona em comportamentos emocionais e na expressão de genes relacionados ao sistema serotoninérgico em diferentes áreas cerebrais de camundongos / Effects of prolonged administration of the anabolic-androgenic steroid nandrolone decanoate in emotional behaviors and serotonergic system related genes expression in several brain areas of mice
Nandrolone decanoate is a highly abused anabolic-androgenic steroid (AAS) by individuals looking for gains in physical strength or body appearance. Supraphysiological doses of this testosterone synthetic derivative have been associated with many physical and psychiatric adverse effects, especially reported episodes of impulsiveness and overt aggressive behav
Publicado em: 2008
-
7. Influence of anabolic-androgenic steroid mesterolone in sedentary or exercised transgenic mice / Influencia do esteroide anabolico-androgenico mesterolona em camundongos transgenicos sedentarios ou exercitados
O uso abusivo de esteróides anabólico androgênicos para melhorar a performance e aparência física tem sido associado a sérios efeitos adversos, alguns dos quais fatais, entretanto o seu uso controlado terapeuticamente pode trazer benefícios. O presente trabalho teve por objetivo avaliar no músculo sóleo (SOL), tibial anterior (TA) e gastrocnêmio (G
Publicado em: 2008
-
8. SISTEMA COLINÉRGICO E PEROXIDAÇÃO LIPÍDICA DE RATOS TRATADOS COM SULFATO DE VINCRISTINA E DECANOATO DE NANDROLONA / EVALUATION OF CHOLINERGIC SYSTEM AND LIPID PEROXIDATION OF RATS TREATED WITH VINCRISTINE SULPHATE AND NANDROLONE DECANOATE
O sulfato de vincristina é um agente anti-tumoral bastante usado na oncologia clínica de pequenos animais, porém seus efeitos colaterais incluem citotoxicidade medular e neuronal. O decanoato de nandrolona, um esteróide anabólico androgênico (EAA), tem sido usado em associação a este medicamento para amenizar alguns de seus efeitos, como a mielossupr
Publicado em: 2008
-
9. Anabolic steroid- and exercise-induced cardiac stress protein (HSP72) in the rat
The present study investigated the effects of exercise and anabolic-androgenic steroids on cardiac HSP72 expression. Male Wistar rats were divided into experimental groups: nandrolone exercise (NE, N = 6), control exercise (CE, N = 6), nandrolone sedentary (NS, N = 6), and control sedentary (CS, N = 6). Animals in the NE and NS groups received a weekly intra
Brazilian Journal of Medical and Biological Research. Publicado em: 2006-07
-
10. Regulação hormonal da prostata de femeas do gerbilo : avaliação estrutural, citoquimica e imunocitoquimica / Hormonal regulation of the gerbil female propstate: morphology, cytochemistry and immunocytochemistry
The female prostate is a functionally active gland found in several species of mammals, including humans and rodents. In adult female gerbils, the prostate presents a paraurethral location, showing close contact with the wall of urethra in its median and distal portions. This gland is homologue to the ventral prostate of male rodents and it is formed by a cl
Publicado em: 2006
-
11. O uso de esteróides androgênicos anabolizantes entre estudantes do ensino médio no Distrito Federal
A prevalência do uso de esteróides androgênicos anabolizantes (EAA) entre adolescentes brasileiros não tem sido estudada. OBJETIVO: Os objetivos do presente estudo foram verificar a prevalência do uso de EAA entre estudantes do ensino médio do Distrito Federal e identificar os principais fatores de risco associados a tal uso. MATERIAL E MÉTODOS: Um qu
Publicado em: 2003
-
12. Anabolic-Androgenic Steroid Use and Involvement in Violent Behavior in a Nationally Representative Sample of Young Adult Males in the United States
We examined the effects of anabolic-androgenic steroid use on serious violent behavior. Multivariate models based on data from the National Longitudinal Study of Adolescent Health (N = 6823) were used to examine the association between lifetime and past-year self-reported anabolic-androgenic steroid use and involvement in violent acts. Compared with individu
American Public Health Association.