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Umbilical cord blood cell transplants may help ALS patients
Date:6/24/2008

Tampa, FL (June 24, 2008) A study at the University of South Florida has shown that transplants of mononuclear human umbilical cord blood (MNChUCB) cells may help patients suffering from Amyotrophic Lateral Sclerosis (ALS), also known as Lou Gehrig's disease. A disease in which the motor neurons in the spinal cord and brain degenerate, ALS leaves its victims with progressive muscle weakness, paralysis and, finally, respiratory failure three to five years after diagnosis.

In this study, USF researchers transplanted human umbilical cord blood (HUCB) cells into mouse models with ALS. Cells were transplanted at three different dose strength levels -- low, moderate and high -- to determine the degree to which dose levels of transplanted cells might delay disease symptom progression and increase lifespan. In results published today online at PloS ONE (Public Library of Science), researchers determined that the moderate-strength dose of HUCB cells was most effective in increasing lifespan and reducing disease progression.

"Our results demonstrate that treatment for ALS with an appropriate dose of MNC hUBC cells may provide a neuroprotective effect for motor neurons through active involvement of these cells in modulating the host immune inflammatory system response," said the study's lead author Svitlana Garbuzova-Davis, PhD, DSc, of the Center of Excellence for Aging and Brain Repair at USF.

According to the research team, modulating immune and inflammatory effectors with HUCB cells could have a protective effect on dying motor neurons. The team had previously shown that hUBC cell transplants reduced inflammation and provided neuroprotection in models of stroke and Alzheimer's disease.

"This preclinical study indicates that MNC hUBC cells may protect motor neurons by inhibiting an immune inflammatory response by decreasing pro-inflammatory cytokines, signaling proteins in the brain and spinal cord that play a role in immu
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Contact: Anne DeLotto Baier
abaier@health.usf.edu
813-974-3300
University of South Florida Health
Source:Eurekalert

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