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News Archive - Scott LaFee

Drug Targets Hard-to-Reach Leukemia Stem Cells Responsible for Relapses

January 17, 2013

Researchers at the University of California, San Diego School of Medicine have discovered that hard-to-reach, drug-resistant leukemia stem cells (LSCs) that overexpress multiple pro-survival protein forms are sensitive – and thus vulnerable – to a novel cancer stem cell-targeting drug currently under development.

How Cells Know When It’s Time to Eat Themselves

January 17, 2013

Researchers at the University of California, San Diego School of Medicine have identified a molecular mechanism regulating autophagy, a fundamental stress response used by cells to help ensure their survival in adverse conditions.

Regulating Single Protein Prompts Fibroblasts to Become Neurons

January 10, 2013

Repression of a single protein in ordinary fibroblasts is sufficient to directly convert the cells into functional neurons. The findings, which could have far-reaching implications for the development of new treatments for neurodegenerative diseases like Huntington’s, Parkinson’s and Alzheimer’s, will be published online in advance of the January 17 issue of the journal Cell.

In Epigenomics, Location is Everything

January 3, 2013

In a novel use of gene knockout technology, researchers at the University of California, San Diego School of Medicine tested the same gene inserted into 90 different locations in a yeast chromosome –and discovered that while the inserted gene never altered its surrounding chromatin landscape, differences in that immediate landscape measurably affected gene activity.

Enzyme Accelerates Malignant Stem Cell Cloning in Chronic Myeloid Leukemia

January 2, 2013

An international team, headed by researchers at the University of California, San Diego School of Medicine, has identified a key enzyme in the reprogramming process that promotes malignant stem cell cloning and the growth of chronic myeloid leukemia (CML), a cancer of the blood and marrow that experts say is increasing in prevalence.

Cancer Cells Co-opt Immune Response to Escape Destruction

December 18, 2012

Researchers at the University of California, San Diego School of Medicine report that tumor cells use stress signals to subvert responding immune cells, exploiting them to actually boost conditions beneficial to cancer growth.

Toward a New Model of the Cell

December 17, 2012

Turning vast amounts of genomic data into meaningful information about the cell is the great challenge of bioinformatics, with major implications for human biology and medicine. Researchers at the University of California, San Diego School of Medicine and colleagues have proposed a new method that creates a computational model of the cell from large networks of gene and protein interactions, discovering how genes and proteins connect to form higher-level cellular machinery.

UC San Diego Researcher Funded for Stem-Cell-based Preeclampsia Therapies

December 12, 2012

Dr. Mana Parast, an assistant professor of pathology at the University of California, San Diego School of Medicine, has been awarded a $3 million grant to continue her research into new therapies for preeclampsia, a pregnancy complication that often results in additional neonatal complications.

In Schizophrenia Patients, Auditory Cues Sound Bigger Problems

November 30, 2012

Researchers at the University of California, San Diego School of Medicine and the VA San Diego Healthcare System have found that deficiencies in the neural processing of simple auditory tones can evolve into a cascade of dysfunctional information processing across wide swaths of the brain in patients with schizophrenia.
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