Medicine and Health Sciences Commons^™

Sevoflurane Induces Cardioprotection Through Reactive Oxygen Species-Mediated Upregulation Of Autophagy In Isolated Guinea Pig Hearts., Mayumi Shiomi, Masami Miyamae, Genzou Takemura, Kazuhiro Kaneda, Yoshitaka Inamura, Anna Onishi, Shizuka Koshinuma, Yoshihiro Momota, Toshiaki Minami, Vincent M. Figueredo

Division of Cardiology Faculty Papers

PURPOSE: Sevoflurane increases reactive oxygen species (ROS), which mediate cardioprotection against myocardial ischemia-reperfusion injury. Emerging evidence suggests that autophagy is involved in cardioprotection. We examined whether reactive oxygen species mediate sevoflurane preconditioning through autophagy.

METHODS: Isolated guinea pigs hearts were subjected to 30 min ischemia followed by 120 min reperfusion (control). Anesthetic preconditioning was elicited with 2 % sevoflurane for 10 min before ischemia (SEVO). The ROS-scavenger, N-(2-mercaptopropionyl) glycine (MPG, 1 mmol/l), was administered starting 30 min before ischemia to sevoflurane-treated (SEVO + MPG) or non-sevoflurane-treated (MPG) hearts. Infarct size was determined by triphenyltetrazolium chloride stain. Tissue samples were obtained …

Cardio-Oncology For The 21st Century: Introduction., Marc L Schwartz, Md

Division of Cardiology Faculty Papers

Based on the latest statistics the prognosis for patients with malignancy has dramatically improved. The overall 5 year survival rate for those who were diagnosed with a cancer between 2002 and 2008 was approximately 65%¹, and as of 2008, 12 million Americans were cancer survivors.² However, this extended longevity now exposes these patients to the risk of other health issues related to their primary cancer or to the treatment that ensured their survival. Specifically, patients who have not succumbed prematurely to their oncologic disease may develop cardiovascular disease that is either a result of the long-term effects …

A Genome-Wide Methylation Study On Essential Hypertension In Young African American Males., Xiaoling Wang, Bonita Falkner, Haidong Zhu, Huidong Shi, Shaoyong Su, Xiaojing Xu, Ashok Kumar Sharma, Yanbin Dong, Frank Treiber, Bernard Gutin, Gregory Harshfield, Harold Snieder

Department of Medicine Faculty Papers

OBJECTIVE: There is emerging evidence from animal studies suggesting a key role for methylation in the pathogenesis of essential hypertension. However, to date, very few studies have investigated the role of methylation in the development of human hypertension, and none has taken a genome-wide approach. Based on the recent studies that highlight the involvement of inflammation in the development of hypertension, we hypothesize that changes in DNA methylation of leukocytes are involved in the pathogenesis of hypertension.

METHOD & RESULTS: We conducted a genome-wide methylation analysis on 8 hypertensive cases and 8 normotensive age-matched controls aged 14-23 years and performed …