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Peripherally delivered Adeno-associated viral vectors for spinal cord injury repair
In conclusion, in the future, minimally invasive administration of AAVs may improve recovery after SCI with minimal side effects.PMID:34896114 | DOI:10.1016/j.expneurol.2021.113945
Source: Experimental Neurology - December 13, 2021 Category: Neurology Authors: Jared D Sydney-Smith Aline B Spejo Philippa M Warren Lawrence D F Moon Source Type: research

First non-human primate study showing promise of gene therapy for stroke repair
(Guangdong-Hongkong-Macau Institute of CNS Regeneration,Jinan University) Stroke is a leading cause of death and severe long-term disability with limited treatment available. A research team led by Prof. Gong Chen at Jinan University, Guangzhou, China recently reported the first non-human primate study demonstrating successful in vivo neural regeneration from brain internal glial cells for stroke repair. This work was published on Frontiers in Cell and Developmental Biology on November 5th, 2020.
Source: EurekAlert! - Medicine and Health - November 13, 2020 Category: International Medicine & Public Health Source Type: news

Connecting Metainflammation and Neuroinflammation Through the PTN-MK-RPTP β/ζ Axis: Relevance in Therapeutic Development
Conclusion The expression of the components of the PTN-MK-RPTPβ/ζ axis in immune cells and in inflammatory diseases suggests important roles for this axis in inflammation. Pleiotrophin has been recently identified as a limiting factor of metainflammation, a chronic pathological state that contributes to neuroinflammation and neurodegeneration. Pleiotrophin also seems to potentiate acute neuroinflammation independently of the inflammatory stimulus while MK seems to play different -even opposite- roles in acute neuroinflammation depending on the stimulus. Which are the functions of MK and PTN in chronic neuroi...
Source: Frontiers in Pharmacology - April 11, 2019 Category: Drugs & Pharmacology Source Type: research

New gene therapy reprograms brain glial cells into neurons
(Penn State) A new gene therapy can turn certain brain glial cells into functioning neurons, which in turn could help repair the brain after a stroke or during neurological disorders like Alzheimer's or Parkinson's diseases.
Source: EurekAlert! - Biology - November 5, 2018 Category: Biology Source Type: news

A Review of Mathematical Models for Muscular Dystrophy: A Systems Biology Approach
Discussion With new developments in computational power and data availability, a growing amount of research is using a systems biology approach to understand pathogenesis and progression of disease. Effective and integrated in vitro and in silico models could inform biological phenomena, even without the need of a living subject. For instance, over the last few decades, collagen hydrogel with muscle derived cells (CHMDCs) have promised to revolutionize in vitro experiments and tissue engineering. For CHMDCs to reach the envisioned use, verification by use of mathematical simulations are needed. Recently while examining sha...
Source: PLOS Currents Muscular Dystrophy - February 16, 2018 Category: Neurology Authors: Matthew Houston Source Type: research

CXCL12 Gene Therapy Ameliorates Ischemia-Induced White Matter Injury in Mouse Brain
This study has demonstrated for the first time that CXCL12 gene therapy significantly ameliorates brain ischemia-induced white matter injury and promotes oligodendrocyte progenitor cell proliferation in the subventricular zone and migration to the perifocal area in the ischemic mouse brain. Additional data showed that CXCR4 receptor plays an important role during the proliferation and migration of oligodendrocyte progenitor cells, and CXCR7 might play a role during maturation. In contrast to many experimental studies that provide treatment before ischemic insult, CXCL12 gene therapy was performed 1 week after brain ischemi...
Source: Stem Cells Translational Medicine - September 17, 2015 Category: Stem Cells Authors: Li, Y., Tang, G., Liu, Y., He, X., Huang, J., Lin, X., Zhang, Z., Yang, G.-Y., Wang, Y. Tags: Tissue-Specific Progenitor and Stem Cells, Neural/Progenitor Stem Cells Source Type: research

Changes in ventricular remodelling and clinical status during the year following a single administration of stromal cell-derived factor-1 non-viral gene therapy in chronic ischaemic heart failure patients: the STOP-HF randomized Phase II trial
Conclusions The blinded placebo-controlled STOP-HF trial demonstrated the safety of a single endocardial administration of pSDF-1 but failed to demonstrate its primary endpoint of improved composite score at 4 months after treatment. Through a pre-specified analysis the STOP-HF trial demonstrates the potential for attenuating LV remodelling and improving EF in high-risk ischaemic cardiomyopathy. The safety profile supports repeat dosing with pSDF-1 and the degree of left ventricular remodelling suggests the potential for improved outcomes in larger future trials.
Source: European Heart Journal - September 1, 2015 Category: Cardiology Authors: Chung, E. S., Miller, L., Patel, A. N., Anderson, R. D., Mendelsohn, F. O., Traverse, J., Silver, K. H., Shin, J., Ewald, G., Farr, M. J., Anwaruddin, S., Plat, F., Fisher, S. J., AuWerter, A. T., Pastore, J. M., Aras, R., Penn, M. S. Tags: Heart failure/cardiomyopathy Source Type: research

Stem Cells for Cell-Based Therapies
The world of stem cells We know the human body comprises many cell types (e.g., blood cells, skin cells, cervical cells), but we often forget to appreciate that all of these different cell types arose from a single cell—the fertilized egg. A host of sequential, awe-inspiring events occur between the fertilization of an egg and the formation of a new individual: Embryonic stem (ES) cells are also called totipotent cells. The first steps involve making more cells by simple cell division: one cell becomes two cells; two cells become four cells, etc. Each cell of early development is undifferentiated; that is, it is...
Source: ActionBioscience - December 28, 2012 Category: Science Authors: Ali Hochberg Source Type: news