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Full-Text Articles in Life Sciences
The Impact Of Aging And Mechanical Injury On Alveolar Epithelial And Macrophage Responses In Acute Lung Injury And Inflammation, Michael S. Valentine
The Impact Of Aging And Mechanical Injury On Alveolar Epithelial And Macrophage Responses In Acute Lung Injury And Inflammation, Michael S. Valentine
Theses and Dissertations
Patients with severe lung pathologies, such as Acute Respiratory Distress Syndrome (ARDS), often require mechanical ventilation as a clinical intervention; however, this procedure frequently exacerbates the original pulmonary issue and produces an exaggerated inflammatory response that potentially leads to sepsis, multisystem organ failure, and mortality. This acute lung injury (ALI) condition has been termed Ventilator-Induced Lung Injury (VILI). Alveolar overdistension, cyclic atelectasis, and biotrauma are the primary injury mechanisms in VILI that lead to the loss of alveolar barrier integrity and pulmonary inflammation. Stress and strains during mechanical ventilation are believed to initiate alveolar epithelial mechanotransduction signaling mechanisms that contribute …
The Role Of Sphingosine Kinase 2 In Alcoholic Liver Disease, Eric K. Kwong
The Role Of Sphingosine Kinase 2 In Alcoholic Liver Disease, Eric K. Kwong
Theses and Dissertations
Alcoholic liver disease (ALD) is one of the most common liver diseases worldwide characterized by the accumulation of lipids within the liver, inflammation and the possibility of progressing to cirrhosis and liver failure. More importantly, there are currently no effective treatments for ALD and liver transplantation remains the only therapeutic option for end-stage liver disease. Previous studies have shown that ALD is a result of a combination of endoplasmic reticulum (ER) stress, lipid metabolism dysregulation and inflammation. It has been previously reported that alcohol disrupts gut microbiota homeostasis and causes increased endotoxins that contribute to the pathology of ALD. However, …
The Role Of Human Msc Derived Exosomes In The Treatment Of Periodontal Diseases, Sonia S. Talegaonkar
The Role Of Human Msc Derived Exosomes In The Treatment Of Periodontal Diseases, Sonia S. Talegaonkar
Theses and Dissertations
Periodontal disease affects 47% of Americans over 30. Characterized by microbial dysbiosis and unregulated inflammation, severe periodontitis causes degradation of bone and soft tissue around teeth. Current treatments have limited regenerative outcomes and frequent reinfection by harmful bacteria. Human mesenchymal stem cells (hMSCs) have been shown to promote wound healing and tissue regeneration. Many therapeutic benefits of hMSCs are due to their secretome products, like exosomes. Our long-term goal is to develop periodontal therapies with hMSC exosomes. The objectives of this study were to determine the effect of hMSC-derived exosomes on cellular activity of hMSCs and investigate whether hMSC exosome …
Resolution Of Inflammation Rescues Axon Initial Segment Disruption, Nicholas M. George
Resolution Of Inflammation Rescues Axon Initial Segment Disruption, Nicholas M. George
Theses and Dissertations
Axonal domains are required for proper neuron function. These domains are unstable and degenerate concurrent with the inflammation in multiple sclerosis (MS) and the inflammatory disease models experimental autoimmune encephalomyelitis (EAE) and lipopolysaccharide (LPS) induced inflammation. Previous studies from our laboratory have shown that the axon initial segment (AIS) is maintained independently of the presence of myelin, but that AIS disruption is seen in MS as well as EAE and LPS-mediated inflammation. AIS loss can be interrupted in the early stage of EAE using the anti-inflammatory drug Didox. However, the potential for Didox directed repair of the AIS in later …
The Effects Of 830nm Light On Inflammation In Retinitis Pigmentosa, Krystal Marie Bach
The Effects Of 830nm Light On Inflammation In Retinitis Pigmentosa, Krystal Marie Bach
Theses and Dissertations
Purpose: Retinitis Pigmentosa (RP) is an inherited retinal degenerative disease and the most common cause of blindness in developed countries, affecting approximately 1 in 4,000 people. RP is characterized by photoreceptor cell death and recent studies suggest that chronic inflammation may play a key role in the pathogenesis of RP. Currently, there are no known treatments or preventive measures to delay or halt the loss of photoreceptor cells. Photobiomodulation (PBM) by light in the far-red or near-infrared (NIR) range of the light spectrum has been documented to help promote cell survival and reduce inflammation in several disease states. Recent studies …
The Effects Of Antibodies In Disease Progression Of Mog-Induced Experimental Autoimmune Encephalomyelitis, Melissa Marie Riter
The Effects Of Antibodies In Disease Progression Of Mog-Induced Experimental Autoimmune Encephalomyelitis, Melissa Marie Riter
Theses and Dissertations
Abstract: Multiple sclerosis (MS) is an auto-inflammatory disease of the central nervous system (CNS), affecting over 400,000 people in the US. MS is primarily studied in the animal model experimental autoimmune encephalomyelitis (EAE). MS is a T cell mediated disease but there is mounting evidence for a role for B cells in MS. Previous studies have established that rMOG Induction depends on the presence of B cells, while induction using the MOG peptide covering amino acids 35-55 does not require B cells to cause disease. When plasma from the rMOG and MOG35-55 immunized WT mice was analyzed by ELISA there …
Effects Of Tgf-Β1 And Il-33 On Mast Cell Function, Victor S. Ndaw
Effects Of Tgf-Β1 And Il-33 On Mast Cell Function, Victor S. Ndaw
Theses and Dissertations
TGFβ is involved in many pathological conditions, including autoimmune disorders, cancer, and cardiovascular and allergic diseases. We have previously found that TGFβ can suppress IgE-mediated mast cell activation in human and mouse mast cells in vitro. IL-33 is a recently discovered member of the IL-1 family capable of inducing mast cell responses and enhancing IgE-mediated activation. In this study, we investigated the effects of TGFβ on IL-33-mediated mast cell activation. Bone marrow-derived mast cells cultured in TGFβ -1, -2, or -3 showed reduced IL-33-mediated production of TNF, IL-6, IL-13 and MCP-1, in a concentration-dependent manner. Furthermore, TGFβ also reduced …