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Newly identified bone marrow stem cells reveal markers for ALS
Date:7/9/2013

es in mouse models of genetic ALS they may well be connected to the degenerative process of the disease in humans, he believes.

Searching for the biological significance of these abnormalities, Prof. Weil put the cells under stress, applying toxins to induce the cells' defense mechanisms. Healthy cells will try to fight off threats and often prove quite resilient, but ALS cells were found to be overwhelmingly sensitive to stress, with the vast majority choosing to die rather than fight. Because this is such an ingrained response, it can be used as a feature for drug screening for the disease, he adds.

The hunt for therapeutics

Whether these biomarkers are a cause or consequence of ALS is still unknown. However, this finding remains an important step towards uncovering the mechanisms of the disease. Because these genes have already been identified, it gives scientists a clear direction for future research. In addition, these biomarkers could lead to earlier and more accurate diagnostics.

Next, Prof. Weil plans to use his lab's high-throughput screening facility which can test thousands of compounds' effects on diseased cells every day to search for drug candidates with the potential to affect the abnormal expression of these genes or the stress response of ALS cells. A compound that has an impact on these indicators of ALS could be meaningful for treating the disease, he says.

Prof. Weil is the director of the new Cell Screening Facility for Personalized Medicine at TAU. The facility is dedicated to finding potential drugs for rare and Jewish hereditary diseases.


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Contact: George Hunka
ghunka@aftau.org
212-742-9070
American Friends of Tel Aviv University
Source:Eurekalert

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