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Articles 1 - 4 of 4
Full-Text Articles in Medical Molecular Biology
Extended-Synaptotagmin-1 And -2 Control T Cell Signaling And Function, Nathalia Benavides, Claudio G. Giraudo
Extended-Synaptotagmin-1 And -2 Control T Cell Signaling And Function, Nathalia Benavides, Claudio G. Giraudo
Department of Microbiology and Immunology Faculty Papers
Upon T-cell activation, the levels of the secondary messenger diacylglycerol (DAG) at the plasma membrane need to be controlled to ensure appropriate T-cell receptor signaling and T-cell functions. Extended-Synaptotagmins (E-Syts) are a family of inter-organelle lipid transport proteins that bridge the endoplasmic reticulum and the plasma membrane. In this study, we identify a novel regulatory mechanism of DAG-mediated signaling for T-cell effector functions based on E-Syt proteins. We demonstrate that E-Syts downmodulate T-cell receptor signaling, T-cell-mediated cytotoxicity, degranulation, and cytokine production by reducing plasma membrane levels of DAG. Mechanistically, E-Syt2 predominantly modulates DAG levels at the plasma membrane in resting-state …
Regeneration Of Neurons In Human Brain Tissue; A Revolutionary Concept With Therapeutic Potential, Mackenzie R. Dunn
Regeneration Of Neurons In Human Brain Tissue; A Revolutionary Concept With Therapeutic Potential, Mackenzie R. Dunn
Other Undergraduate Research
There is current research to suggest that endogenous neuronal regeneration, exogenous neuronal stem cell transplantation and glial cell reprogramming could be prospective therapeutic treatments for neurodegeneration and traumatic injury. With these conditions, there is significant brain atrophy, loss of neurons and loss of synaptic connections which can have devastating effects on executive functioning, cognition, learning and memory. This review will examine these modern approaches to adult neurogenesis, and assess the viable mechanisms and future outlook of these three therapies for neurological regenerative medicine.
Lipid Nanoparticle-Mediated Mrna Delivery In Lung Fibrosis, Matteo Massaro, Suhong Wu, Gherardo Baudo, Haoran Liu, Scott Collum, Hyunho Lee, Cinzia Stigliano, Victor Segura-Ibarra, Harry Karmouty-Quintana, Elvin Blanco
Lipid Nanoparticle-Mediated Mrna Delivery In Lung Fibrosis, Matteo Massaro, Suhong Wu, Gherardo Baudo, Haoran Liu, Scott Collum, Hyunho Lee, Cinzia Stigliano, Victor Segura-Ibarra, Harry Karmouty-Quintana, Elvin Blanco
Journal Articles
mRNA delivery enables the specific synthesis of proteins with therapeutic potential, representing a powerful strategy in diseases lacking efficacious pharmacotherapies. Idiopathic pulmonary fibrosis (IPF) is a chronic lung disease characterized by excessive extracellular matrix (ECM) deposition and subsequent alveolar remodeling. Alveolar epithelial type 2 cells (AEC2) and fibroblasts represent important targets in IPF given their role in initiating and driving aberrant wound healing responses that lead to excessive ECM deposition. Our objective was to examine a lipid nanoparticle (LNP)-based mRNA construct as a viable strategy to target alveolar epithelial cells and fibroblasts in IPF. mRNA-containing LNPs measuring ∼34 nm had …
Effect Of Stretch And Release On Myofascial Stem Cell Function In Vitro: A Putative Model To Understand The Molecular Benefits Of The Myofascial Release (Mfr) Technique, Ben Smith, Shahn Notta, Debasis Mondal
Effect Of Stretch And Release On Myofascial Stem Cell Function In Vitro: A Putative Model To Understand The Molecular Benefits Of The Myofascial Release (Mfr) Technique, Ben Smith, Shahn Notta, Debasis Mondal
Research Day
Despite the beneficial effects of osteopathic manipulative techniques (OMT), there is a lack of in vitro models to understand the molecular mechanisms associated with these time-tested therapies. The Myofascial Release (MFR) technique is a non-invasive approach that involves passive stretching, hold and release, of the soft tissue to achieve myofascial homeostasis. Tissue-resident mesenchymal stem cells (MSC) can regulate the myofascial microenvironment by altering their secreted factors following stretch and release. Therefore, we initiated studies to develop an in vitro model to investigate the possible effects of stretch and release on MSC function, i.e. proliferation and differentiation capabilities, and changes in …