News Archive
Viruses are microscopically sized parasites. They plant their genes in the cells of their victim in order to 'reprogram' them. The infected cells then no longer produce what they need to live, making lots of new viruses instead.
In research that one day may lead to the discovery of how to regenerate tissue damaged by heart disease, investigators at Childrens Hospital Los Angeles have identified PDGF as a key factor in the proliferation and transformation of epicardial cells, one type of cell that surrounds heart muscle and contributes to vessels.
Can estrogen preserve brain function and decrease the risk of Alzheimer's disease when given early in menopause? Newly postmenopausal women who received estrogen via a skin patch had reduced beta-amyloid deposits, the sticky plaques found in the brains of people with Alzheimer's disease, a Mayo Clinic study published this month in the Journal of Alzheimer's Disease found.
A recent study, conducted by Elizabeth Whitcombe, visiting senior research scholar at the earth system science interdisciplinary center at the University of Maryland, and published in the May 13 issue of Philosophical Transactions of the Royal Society, "mapped meteorological, irrigation and medical reports during British rule in India" and concluded modern-day India should learn lessons from the past to improve engineering plans and epidemiological "modeling of environmental factors controlling vector borne disease," especially malaria, SciDev.Net reports.
› Verified 9 days ago