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New findings regarding DNA damage checkpoint mechanism in oxidative stress

Researchers have uncovered a previously unknown surveillance mechanism, known as a DNA damage checkpoint, used by cells to monitor oxidatively damaged DNA. DNA repair takes place approximately 10,000 times per cell, per day, through processes that are still only partially understood because of their complexity, speed, and the difficulty of studying complex interactions within living cells.

Jun 14th, 2013

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Researchers succeed in programming blood forming stem cells

By transferring four genes into mouse fibroblast cells, researchers at the Icahn School of Medicine at Mount Sinai have produced cells that resemble hematopoietic stem cells, which produce millions of new blood cells in the human body every day. These findings provide a platform for future development of patient-specific stem/progenitor cells, and more differentiated blood products, for cell-replacement therapy.

Jun 13th, 2013

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Inserting genes into eye cells to restore sight

Researchers at UC Berkeley have developed an easier and more effective method for inserting genes into eye cells that could greatly expand gene therapy to help restore sight to patients with blinding diseases ranging from inherited defects like retinitis pigmentosa to degenerative illnesses of old age, such as macular degeneration.

Jun 13th, 2013

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Polymers protect enzymes

Scientists have devised a method that enables enzymes to remain active for a longer time on their journey through the gastro-intestinal tract. This might help to treat food intolerances in the future.

Jun 12th, 2013

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Building an army of one

By boosting cloning efficiency, scientists unlock the potential to 'mass-produce' valuable animal strains for research and agricultural applications.

Jun 7th, 2013

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Surgeons implant bioengineered vein

In a first-of-its-kind operation in the United States, a team of doctors at Duke University Hospital helped create a bioengineered blood vessel and implanted it into the arm of a patient with end-stage kidney disease.

Jun 6th, 2013

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Biology's drive toward engineering

Biology is on the verge of getting its versions of the lever, wheel and axle, pulley and other basic machines that enable engineers to build almost any mechanical device, a new analysis has concluded.

Jun 4th, 2013

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Computer simulations help scientists understand HIV-1 infection

Scientists have long been unable to fully explain how infections attack the body, but now a team of researchers, including one from the University of Central Florida, has taken a step closer to understanding how the process works in HIV-1. The results mean that one day that knowledge may prevent infection.

May 30th, 2013

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