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Full-Text Articles in Medicine and Health Sciences

Ips Cell Transplantation For Traumatic Spinal Cord Injury., Miguel Goulao, Angelo C Lepore May 2016

Ips Cell Transplantation For Traumatic Spinal Cord Injury., Miguel Goulao, Angelo C Lepore

Farber Institute for Neuroscience Faculty Papers

A large body of work has been published on transplantation of a wide range of neural stem and progenitor cell types derived from the developing and adult CNS, as well as from pluripotent embryonic stem cells, in models of traumatic spinal cord injury (SCI). However, many of these cell-based approaches present practical issues for clinical translation such as ethical cell derivation, generation of potentially large numbers of homogenously prepared cells, and immune rejection. With the advent of induced Pluripotent Stem (iPS) cell technology, many of these issues may potentially be overcome. To date, a number of studies have demonstrated integration, …


Overexpression Of The Astrocyte Glutamate Transporter Glt1 Exacerbates Phrenic Motor Neuron Degeneration, Diaphragm Compromise, And Forelimb Motor Dysfunction Following Cervical Contusion Spinal Cord Injury., Ke Li, Charles Nicaise, Daniel Sannie, Tamara J Hala, Elham Javed, Jessica L Parker, Rajarshi Putatunda, Kathleen A Regan, Valérie Suain, Jean-Pierre Brion, Fred Rhoderick, Megan C Wright, David J Poulsen, Angelo C Lepore May 2014

Overexpression Of The Astrocyte Glutamate Transporter Glt1 Exacerbates Phrenic Motor Neuron Degeneration, Diaphragm Compromise, And Forelimb Motor Dysfunction Following Cervical Contusion Spinal Cord Injury., Ke Li, Charles Nicaise, Daniel Sannie, Tamara J Hala, Elham Javed, Jessica L Parker, Rajarshi Putatunda, Kathleen A Regan, Valérie Suain, Jean-Pierre Brion, Fred Rhoderick, Megan C Wright, David J Poulsen, Angelo C Lepore

Farber Institute for Neuroscience Faculty Papers

A major portion of spinal cord injury (SCI) cases affect midcervical levels, the location of the phrenic motor neuron (PhMN) pool that innervates the diaphragm. While initial trauma is uncontrollable, a valuable opportunity exists in the hours to days following SCI for preventing PhMN loss and consequent respiratory dysfunction that occurs during secondary degeneration. One of the primary causes of secondary injury is excitotoxic cell death due to dysregulation of extracellular glutamate homeostasis. GLT1, mainly expressed by astrocytes, is responsible for the vast majority of functional uptake of extracellular glutamate in the CNS, particularly in spinal cord. We found that, …


Dyschronic, A Drosophila Homolog Of A Deaf-Blindness Gene, Regulates Circadian Output And Slowpoke Channels., James E C Jepson, Mohammad Shahidullah, Angelique Lamaze, Drew Peterson, Huihui Pan, Kyunghee Koh Apr 2012

Dyschronic, A Drosophila Homolog Of A Deaf-Blindness Gene, Regulates Circadian Output And Slowpoke Channels., James E C Jepson, Mohammad Shahidullah, Angelique Lamaze, Drew Peterson, Huihui Pan, Kyunghee Koh

Farber Institute for Neuroscience Faculty Papers

Many aspects of behavior and physiology are under circadian control. In Drosophila, the molecular clock that regulates rhythmic patterns of behavior has been extensively characterized. In contrast, genetic loci involved in linking the clock to alterations in motor activity have remained elusive. In a forward-genetic screen, we uncovered a new component of the circadian output pathway, which we have termed dyschronic (dysc). dysc mutants exhibit arrhythmic locomotor behavior, yet their eclosion rhythms are normal and clock protein cycling remains intact. Intriguingly, dysc is the closest Drosophila homolog of whirlin, a gene linked to type II Usher syndrome, the leading cause …