March 17, 2003
In Print Photo by Graham Ramsay Focus: Mutation that Disrupts Calcium Signaling May Be One Cause of Heart Failure A recent mouse study by Jonathan Seidman, Christine Seidman, and Joachim Schmitt (l to r) provides the first evidence that a loss of calcium signaling can cause congestive heart failure. The researchers found that a mutation in the protein phospholamban in cardiac muscle cells led to an inability to pump calcium back into appropriate cell reservoirs. The disruption led to contractile dysfunction of the heart.   Publications Online BBS Bulletin Focus HMI World HSTconnector MD-PhD Newsletter MedEd News Mentations On The Brain   Related Links InteliHealth Harvard Health Publications		Headlines New Analysis Suggests Leading Sleep Apnea Treatment Is Effective in a Diverse Population Adverse Drug Events Are Common in Older Patients Upcoming Ethics Forum: Ethics and AIDS Vaccine Trials in the U.S. and Abroad Marcia Angell, Harvard Medical School George Seage III, Harvard School of Public Health Daniel Wikler, Harvard School of Public Health Tuesday, March 25 4:00-6:00 p.m. Lab Works A multimedia site featuring Harvard Medical research		Spotlight Jackson Study Confronts the Heart of an Epidemic In the March 4 Barger lecture, Herman Taylor Jr., director and principal investigator of the Jackson Heart Study, said there is no adequate explanation of the cause in about a quarter of cardiovascular disease cases. He plans to change that through expanding the scope of potential risk factors that this study of African Americans investigates. Student Scene Photo by Graham Ramsay Campaign Gains Strength Against Overuse of Antibiotics Bacteria are developing resistance to some of the most potent antibiotics available, decreasing the effectiveness of last-ditch medications. Erica Seiguer describes some of the U.S. efforts to limit the use of antibiotics, a strategy for turning the tables on the bugs. The 60-second Survey Take a survey to tell us how you use WebWeekly.

Calendar | Jobs | Harvard Medical School Home | Hospitals | Back Issues | Feedback | Home Copyright 2003 by the President and Fellows of Harvard College