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Articles 1 - 4 of 4
Full-Text Articles in Medical Sciences
Improving Translatability Of Spinal Cord Injury Research By Including Age As A Demographic Variable, Andrew N. Stewart, Linda A. T. Jones, John C. Gensel
Improving Translatability Of Spinal Cord Injury Research By Including Age As A Demographic Variable, Andrew N. Stewart, Linda A. T. Jones, John C. Gensel
Department of Physical Therapy Faculty Papers
Pre-clinical and clinical spinal cord injury (SCI) studies differ in study design, particularly in the demographic characteristics of the chosen population. In clinical study design, criteria such as such as motor scores, neurological level, and severity of injury are often key determinants for participant inclusion. Further, demographic variables in clinical trials often include individuals from a wide age range and typically include both sexes, albeit historically most cases of SCI occur in males. In contrast, pre-clinical SCI models predominately utilize young adult rodents and typically use only females. While it is often not feasible to power SCI clinical trials to …
Uncovering The Biological Basis Of Control Energy: Structural And Metabolic Correlates Of Energy Inefficiency In Temporal Lobe Epilepsy, Xiaosong He, Lorenzo Caciagli, Linden Parkes, Jennifer Stiso, Teresa M. Karrer, Jason Z. Kim, Zhixin Lu, Tommaso Menara, Fabio Pasqualetti, Michael R. Sperling, Joseph I. Tracy, Dani S. Bassett
Uncovering The Biological Basis Of Control Energy: Structural And Metabolic Correlates Of Energy Inefficiency In Temporal Lobe Epilepsy, Xiaosong He, Lorenzo Caciagli, Linden Parkes, Jennifer Stiso, Teresa M. Karrer, Jason Z. Kim, Zhixin Lu, Tommaso Menara, Fabio Pasqualetti, Michael R. Sperling, Joseph I. Tracy, Dani S. Bassett
Department of Neurology Faculty Papers
Network control theory is increasingly used to profile the brain's energy landscape via simulations of neural dynamics. This approach estimates the control energy required to simulate the activation of brain circuits based on structural connectome measured using diffusion magnetic resonance imaging, thereby quantifying those circuits' energetic efficiency. The biological basis of control energy, however, remains unknown, hampering its further application. To fill this gap, investigating temporal lobe epilepsy as a lesion model, we show that patients require higher control energy to activate the limbic network than healthy volunteers, especially ipsilateral to the seizure focus. The energetic imbalance between ipsilateral and …
B- And T-Cell Subset Abnormalities In Monogenic Common Variable Immunodeficiency, Saba Fekrvand, Shaghayegh Khanmohammadi, Hassan Abolhassani, Reza Yazdani
B- And T-Cell Subset Abnormalities In Monogenic Common Variable Immunodeficiency, Saba Fekrvand, Shaghayegh Khanmohammadi, Hassan Abolhassani, Reza Yazdani
Department of Neurology Faculty Papers
Common variable immunodeficiency (CVID) is a heterogeneous group of inborn errors of immunity characterized by reduced serum concentrations of different immunoglobulin isotypes. CVID is the most prevalent symptomatic antibody deficiency with a broad range of infectious and non-infectious clinical manifestations. Various genetic and immunological defects are known to be involved in the pathogenesis of CVID. Monogenic defects account for the pathogenesis of about 20-50% of CVID patients, while a variety of cases do not have a defined genetic background. Deficiencies in molecules of B cell receptor signaling or other pathways involving B-cell development, activation, and proliferation could be associated with …
Response Of Astrocyte Subpopulations Following Spinal Cord Injury., R Vivian Allahyari, Nicolette M Heinsinger, Daniel Hwang, David A Jaffe, Javad Rasouli, Stephanie Shiers, Samantha J Thomas, Theodore J Price, Abdolmohamad Rostami, Angelo C Lepore
Response Of Astrocyte Subpopulations Following Spinal Cord Injury., R Vivian Allahyari, Nicolette M Heinsinger, Daniel Hwang, David A Jaffe, Javad Rasouli, Stephanie Shiers, Samantha J Thomas, Theodore J Price, Abdolmohamad Rostami, Angelo C Lepore
Farber Institute for Neuroscience Faculty Papers
There is growing appreciation for astrocyte heterogeneity both across and within central nervous system (CNS) regions, as well as between intact and diseased states. Recent work identified multiple astrocyte subpopulations in mature brain. Interestingly, one subpopulation (Population C) was shown to possess significantly enhanced synaptogenic properties in vitro, as compared with other astrocyte subpopulations of adult cortex and spinal cord. Following spinal cord injury (SCI), damaged neurons lose synaptic connections with neuronal partners, resulting in persistent functional loss. We determined whether SCI induces an enhanced synaptomodulatory astrocyte phenotype by shifting toward a greater proportion of Population C cells and/or increasing …