The peer reviewed literature and relevant surveys from 1985 to 2006 were subsequently reviewed.
Results: An association between erectile dysfunction and sleep disorders appears to exist in survey studies relying on self-report and in small case series. Hormonal, neural
and endothelial mechanisms have been implicated in linking sleep disorders with erectile dysfunction. Treatment of sleep disorders, specifically sleep apnea with continuous positive airway pressure, has been shown to improve patient erectile function.
Conclusions: Clinicians should consider concomitant sleep disorders when learn more evaluating patients with erectile dysfunction, especially in those refractory to routine therapy. Further studies are necessary to clearly define the causative link between sleep disorders and erectile dysfunction.”
“To determine whether corticotropin-releasing hormone receptor 1 (CRHR1) coexists with endothelin-1 (ET-1) in rat paraventricular nucleus (PVN), ET-1 expression and its regulation by CRH and CRHR1 under hypoxia, rats were exposed to simulated continuous hypoxia at 5 km altitude (CH5km, equal to
10.8% O-2) in a hypobaric chamber for 1, 2, https://www.selleckchem.com/products/ly2874455.html 5,10,15 or 25 days. ET-1, CRH, and its mRNA were measured using radioimmunoassay (RIA), immunohistochemistry, and in situ hybridization. The coexistence of ET-1 and CRHR1 was identified by confocal immunofluorescence. The results showed that CH5km caused a significant decrease of ET-1 level in PVN at 5 days, but decreased
CRH on days 1 and 2 while it increased on days 5 and 10. CH5km induced ET-1 mRNA upregulation and ET-1 decrease at 5 days, the effects were completely reversed by treatment with five-daily-injections of a CRHR1 antagonist (butyl-[2,5-dimethyl-7-(2,4,6-trimethylphenyl)-7H-pyrrolo[2,3-d] pyrimidin-4-yl]-ethylamine: CP-154,526). Also, this treatment significantly reversed the CH5km-induced increase in CRH and CRHmRNA in PVN at 5 days. Moreover we found that the changes in expression of ET-1 and CRHR1 induced Z-VAD-FMK mouse by CH5km were co-localized in parvocellular PVN cells. In conclusion, CRHR1 coexists with ET-1 in parvocellular PVN, continuous hypoxia stimulates ET-1 and ET-1mRNA as well as CRH and CRHmRNA, and CRHR1 evidently modulates ET-1 release and ET-1mRNA activation caused by continuous hypoxia. (c) 2008 Published by Elsevier Ltd on behalf of IBRO.”
“Purpose: We compared the postoperative and renal functional outcomes of patients undergoing open or laparoscopic partial nephrectomy for tumor in a solitary functioning kidney.
Materials and Methods: Between 1999 and 2006, 169 open and 30 laparoscopic partial nephrectomies were performed for 7 cm or smaller tumors in a solitary functioning kidney. Data were collected in an institutional review board approved registry and median followup was 2.0 years. Preoperative and postoperative glomerular filtration rates were estimated with the abbreviated Modification of Diet in Renal Disease equation.