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Stem Cell Nuclei Are Soft 'Hard Drives,' Penn Study Finds

Stem Cell Nuclei Are Soft 'Hard Drives,' Penn Study Finds

PHILADELPHIA- Biophysicists at the University of Pennsylvania have discovered that the nuclei of human stem cells are particularly soft and flexible, rather than hard, making it easier for stem cells to migrate through the body and to adopt different shapes, but ultimately to put human genes in the correct nuclear "sector" for proper access and expression.

Jordan Reese

Scientists at Penn Veterinary Medicine School Report New Strategy to Create Genetically Modified Animals

Scientists at Penn Veterinary Medicine School Report New Strategy to Create Genetically Modified Animals

PHILADELPHIA- Researchers at the University of Pennsylvania School of Veterinary Medicine have demonstrated the potential of a new strategy for genetic modification of large animals.  The method employs a harmless gene therapy virus that transfers a genetic modification to male reproductive cells, which is then passed naturally on to offspring.

Jordan Reese

Penn Engineers Design Electronic Computer Memory in Nanoscale Form That Retrieves Data 1,000 Times Faster

Penn Engineers Design Electronic Computer Memory in Nanoscale Form That Retrieves Data 1,000 Times Faster

PHILADELPHIA -- Scientists from the University of Pennsylvania have developed nanowires capable of storing computer data for 100,000 years and retrieving that data a thousand times faster than existing portable memory devices such as Flash memory and micro-drives, all using less power and space than current memory technologies.

Jordan Reese

University of Pennsylvania Researchers Develop Formula to Gauge Risk of Disease Clusters

University of Pennsylvania Researchers Develop Formula to Gauge Risk of Disease Clusters

PHILADELPHIA -- Researchers at the University of Pennsylvania have developed a mathematical formula to assess whether concentrated disease outbreaks can be ascribed to random-chance events or, instead, suggest a contagious or environmental effect that requires epidemiological investigation.

Jordan Reese

University of Pennsylvania Engineers Force Open Novel Protein Targets Within Stem Cells and Blood Cells

University of Pennsylvania Engineers Force Open Novel Protein Targets Within Stem Cells and Blood Cells

PHILADELPHIA - Applying physical stress to cells, researchers at the University of Pennsylvania School of Engineering and Applied Science have demonstrated that everyday forces can alter the structure of proteins tucked within cells, unfold them and expose new targets in the fight against disease.

Jordan Reese