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Exposure to acid turns adult cells into stem cells

An international team of scientists has found a new way to create stem cells without the use of an embryo or outside DNA–an advance in stem cell technology that doesn’t carry the ethical concerns of embryonic stem cells or the safety issues of induced pluripotent stem cells. Stem cells have been alluring to both scientists and the general public ever since their discovery opened up the possibility of treating...

Mechanism that boosts bone growth

A newly discovered mechanism that promotes bone growth could lead to novel treatments for osteoporosis, which affects an estimated one in three women and one in 12 men in the U.S. Overall, about 55% of Americans over 50 have osteoporosis, which causes millions of fractures each year. Scientists at Washington University School of Medicine in St. Louis have found that the mTOR pathway, which is responsible for interpreting a...

Imaging technique captures the vibrations of prote...

Like the strings on a violin or the pipes of an organ, the proteins in the human body vibrate in different patterns, scientists have long suspected. Now, a new study provides what researchers say is the first conclusive evidence that this is true. Using a technique they developed based on terahertz near-field microscopy, scientists from the University at Buffalo and Hauptman-Woodward Medical Research Institute (HWI) have for...

Potential drug targets for early onset glaucoma

Using a novel high-throughput screening process, scientists have for the first time identified molecules with the potential to block the accumulation of a toxic eye protein that can lead to early onset of glaucoma. Glaucoma is a group of diseases that can damage the eye’s optic nerve and cause vision loss and blindness. Elevated eye pressure is the main risk factor for optic nerve damage. Researchers have implicated a...

Key indicator of heart diseases

A team that includes Dartmouth College researchers has discovered a new way to detect cardiolipin, a key indicator of heart diseases and some genetic disorders. The results, which appear in the journal Analytical Chemistry, may eventually help to diagnose these conditions earlier on and to provide real-time monitoring of cardiolipin levels. Cardiolipin is a unique lipid of mitochondria, the cell structures that generate...

Popular blood type diet debunked

Researchers from the University of Toronto (U of T) have found that the theory behind the popular blood type diet–which claims an individual’s nutritional needs vary by blood type–is not valid. The findings are published in PLoS One. “Based on the data of 1,455 study participants, we found no evidence to support the ‘blood-type’ diet theory,” said the senior author of the study, Dr....
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