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Zinc safety net missing in diabetes

U. MICHIGAN (US) — A protein that normally pitches in to help with blood sugar regulation shows its dark side in people with type 2 diabetes, forming dense clumps that shut down insulin-producing...

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Seventh, eighth bases of DNA identified

UNC CHAPEL HILL (US) — Researchers have discovered the seventh and eighth bases of DNA, adding to the original four basic units—adenine, guanine, thymine, and cytosine—and two more that were discovered...

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Mouse mirrors severe form of autism

U. BUFFALO (US) — The first transgenic mouse model of a rare and severe type of autism is expected to improve understanding of the disorder and help researchers design more targeted treatments.The...

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Cells chatter to overcome wimpy ‘dial-up’

EMORY (US) — For the first time, scientists have quantified the data capacity of a biochemical signaling pathway and found a surprise—it’s way lower than even an old-fashioned, dial-up modem.Just as...

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Brainy robot gets an ‘A’ in biology

VANDERBILT / CORNELL (US) — Engineers have demonstrated for the first time that a computer can take raw experimental data and solve a complex biological modeling problem from scratch.The research is...

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Protein folding lags in early Parkinson’s

MICHIGAN STATE (US) — According to a new study, the protein “clumping” that sets off Parkinson’s disease is the result of a slower folding rate.A team of researchers led by Basir Ahmad, a postdoctoral...

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Protein’s arm controls iron-sulfur cluster

RICE (US) —Scientists have learned how a protein that plays a role in diabetes, cancer, and aging uses entwined arm movements to control a potentially toxic payload of iron and sulfur.“We scrutinize...

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Nanobubbles-chemo mix targets cancer

RICE (US) — Delivering chemotherapy drugs with nanobubbles is up to 30 times more deadly to cancer cells than traditional drug treatment, a new study shows.Researchers are developing new methods to...

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Friction may drag down protein folding

UC SANTA BARBARA (US) —Internal friction may play a more significant role in protein folding than previously thought.An international team of researchers has reported a new understanding of this...

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Nano-origami: RNA folding in real time

STANFORD (US) — Optical tweezers and sub-nanoscale precision have allowed biophysicists to follow the process—and the consequences—of RNA folding in real time.In a soundproofed, vibration-stabilized,...

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