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Popular Articles

Kai Sensors Receives FDA Clearance For Its Wireless, Non-Contact Respiratory Device
Hawaii-based Kai Sensors announced it has received U.S. Food and Drug Administration (FDA) 510(k) clearance for the Kai Sensors Non-Contact Respiratory Rate Spot Check, also called the Kai RSpot. The 510(k) clearance allows Kai Sensors to market the Kai RSpot to physicians, hospitals, and clinics.
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AARP Endorses Bill To Help Americans Get Care In Their Own Homes
More than one million Americans are living in nursing homes, but many would prefer to receive the services they need in their own homes, where they would be more comfortable and potentially save the health care system money in the long run. Unfortunately, many Americans who want to be cared for at home can"t because of a costly institutional bias in Medicaid, which pays for nearly two-thirds of the country"s nursing home residents. While state Medicaid programs are required to provide nursing home care, home and community-based services that are often less expensive are optional, leaving them first in line to be cut in a poor economy.
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Newly Published Article Details How PGS Techniques Directly Effect Successful Pregnancy Outcomes
A group of fertility experts, who pioneered the development of Preimplantation Genetic Screening (PGS), are sharing the step-by-step best practices and explaining what errors can be made along the way.
Cardiovascular

'SIRT'ain Security: The Protein SIRT3 Protects The Heart

Sirtuin proteins have been shown to promote longevity in many organisms, and increased expression of one sirtuin protein, SIRT3, has been linked to increased human lifespan. New data, generated in mice, by Mahesh Gupta and colleagues, at the University of Chicago, Chicago, has revealed that Sirt3 helps protect the mouse heart. In the study, the heart of mice lacking Sirt3 was found to show signs of becoming enlarged (a process known as cardiac hypertrophy), at about 8 weeks of age. Further, these mice responded dramatically to conditions that induce cardiac hypertrophy, whereas mice overexpressing Sirt3 were protected from cardiac hypertrophy under the same conditions. Additional analysis revealed the mechanism by which Sirt3 blocks the cardiac hypertrophic response, thereby providing protection to the mouse heart. Specifically, it acts in heart muscle cells via the protein Foxo3a to increase expression of anti-oxidant proteins, thereby reducing levels of damaging oxidants. TITLE: Sirt3 blocks the cardiac hypertrophic response by augmenting Foxo3a-dependent antioxidant defense mechanisms in mice AUTHOR: Mahesh P. Gupta University of Chicago, Chicago, Illinois, USA. PDF of this article Karen Honey Journal of Clinical Investigation


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