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Articles 1 - 14 of 14
Full-Text Articles in Medical Physiology
Peran Penting Inflamasom Nlrp3 Pada Aterosklerosis, Dewi Sukmawati
Peran Penting Inflamasom Nlrp3 Pada Aterosklerosis, Dewi Sukmawati
Jurnal Penyakit Dalam Indonesia
Cardiovascular diseases (CVDs) still contribute as the main cause of mortality and premature mortality worldwide. In Indonesia, CVDs contribute to 35% of the main cause of death in non-communicable diseases followed by diabetes at 6%. The ischemic heart disease and acute ischemic stroke is the main cause of death in Indonesia due to atherosclerosis. Atherosclerosis is a multifactorial cause, with chronic inflammation which causes myocardial infarction and acute ischemic stroke. Research demonstrated that one of the underlying mechanisms of atherosclerosis is inflammation. The current research suggested that inflammation could activate a complex of cytosol proteins, namely nucleotide-binding oligomerization domain-like receptor …
Healthy Exosomes And Their Effects On Diabetic Cardiomyocytes, Miguel A. Garza, Genaro A. Ramírez-Correa, Maria Lourdes Garza-Rodríguez, Andres J. Medina
Healthy Exosomes And Their Effects On Diabetic Cardiomyocytes, Miguel A. Garza, Genaro A. Ramírez-Correa, Maria Lourdes Garza-Rodríguez, Andres J. Medina
MEDI 9331 Scholarly Activities Clinical Years
Extracellular Vesicles, and more specifically, exosomes, are essential for effective cell-to-cell communication in a wide variety of tissues. In the last couple of decades, these nanovesicles have been proven to be active participants and regulators in many disease processes; therefore, their therapeutic effects have been widely studied and proven in various cardiovascular diseases both, in vitro and in vivo. Thus, this study aims at assessing the effects of running healthy mice exosomes on cardiomyocyte and cardiac tissue samples obtained from diabetic mice. Here, we successfully extract exosomes from mice plasma and detect their presence through the use of anti-CD9 and …
The Effect Of Type 1 Diabetes On The Metabolic Response To Exercise, Theres Tijo
The Effect Of Type 1 Diabetes On The Metabolic Response To Exercise, Theres Tijo
Undergraduate Student Research Internships Conference
Type 1 Diabetes Mellitus (T1DM) is an autoimmune disorder that results in insufficient endogenous insulin production. Regular exercise has numerous health benefits for individuals with T1DM, however, most insulin-dependent diabetics avoid physical activity due to the fear of exercise-induced hypoglycemia (low blood glucose/BG).
The risk of hypoglycemia in this population may be partly due to lower liver glycogen stores which is a major source of blood glucose during exercise. However, the mechanism that leads to lower glycogen stores in T1DM is unknown.
The purpose of this study was to determine the effect of an acute bout of moderate-intensity aerobic exercise …
Lysosomal Zn 2+ Release Triggers Rapid, Mitochondria-Mediated, Non-Apoptotic Cell Death In Metastatic Melanoma, Wanlu Du, Mingxue Gu, Meiqin Hu, Timothy Nold, Prateeksunder Pinchi, Wei Chen, Michael Ryan, Ahmed Bannaga, Haoxing Xu
Lysosomal Zn 2+ Release Triggers Rapid, Mitochondria-Mediated, Non-Apoptotic Cell Death In Metastatic Melanoma, Wanlu Du, Mingxue Gu, Meiqin Hu, Timothy Nold, Prateeksunder Pinchi, Wei Chen, Michael Ryan, Ahmed Bannaga, Haoxing Xu
Medical Student Research Symposium
During tumor progression, lysosome function is often maladaptively upregulated to match the high energy demand required for cancer cell hyper-proliferation and invasion. Here, we report that mucolipin TRP channel 1 (TRPML1), a lysosomal Ca2+ and Zn2+ release channel that regulates multiple aspects of lysosome function, is dramatically upregulated in metastatic melanoma cells compared with normal cells. TRPML-specific synthetic agonists (ML-SAs) are sufficient to induce rapid (within hours) lysosomal Zn2+-dependent necrotic cell death in metastatic melanoma cells while completely sparing normal cells. ML-SA-caused mitochondria swelling and dysfunction lead to cellular ATP depletion. While pharmacological inhibition or genetic silencing of TRPML1 in …
The Effects Of Estrogen In The Glucoregulatory Response To Exercise In Type 1 Diabetes, Mitchell James Sammut
The Effects Of Estrogen In The Glucoregulatory Response To Exercise In Type 1 Diabetes, Mitchell James Sammut
Undergraduate Student Research Internships Conference
Regular exercise has shown to benefit the health of individuals with type 1 diabetes mellitus (T1DM). However, a barrier to regular exercise for this population is the fear of low blood glucose (BG) levels, also known as hypoglycemia. Hypoglycemia can result in short and long-term side-effects, such as recurring loss of consciousness or in severe cases death.
In non-diabetics, sex-related differences in fuel selection during exercise are well established. Women shift towards using fats as fuel whereas men rely mostly on sugars (i.e., carbohydrates) for energy production. Exercise during the luteal phase of the female menstrual cycle, where estrogen levels …
Differential Iron Regulatory Genetics In 2d & 3d Culture Of Breast Cancer Cells, Tyler Hanna, Suzy Torti Ph. D, Frank Torti M.D., Mph, Nicole Farra Ph. D.
Differential Iron Regulatory Genetics In 2d & 3d Culture Of Breast Cancer Cells, Tyler Hanna, Suzy Torti Ph. D, Frank Torti M.D., Mph, Nicole Farra Ph. D.
Honors Scholar Theses
The iron regulatory axis has consistently been shown to be perturbed in cancer cell lines relative to non-cancerous cell lines. As cancer cells rapidly divide and grow, they require iron to fuel many intracellular processes, including DNA replication and protein synthesis. Three-dimensional cell culture is an increasingly popular method of culture that purportedly more accurately mimics the in vivo microenvironment of cancers over traditional two-dimensional culture. This project was prompted by previous lab results to investigate differential iron regulatory gene expression in 2D and 3D spheroid culture models. We replicated the findings that the gene hepcidin is induced in 3D …
Characterization Of The Nicotine-Induced Endoplasmic Reticulum Stress Response In The Rat Placenta In Vivo And In Vitro, Michael Ka Chun Wong
Characterization Of The Nicotine-Induced Endoplasmic Reticulum Stress Response In The Rat Placenta In Vivo And In Vitro, Michael Ka Chun Wong
Electronic Thesis and Dissertation Repository
Nicotine exposure during pregnancy leads to adverse health outcomes, including compromised placental development. Although the molecular mechanisms remain elusive, recent studies identified that endoplasmic reticulum (ER) stress may underlie poor placentation. Therefore, we were interested in investigating the effects of nicotine exposure on the ER stress response in the placenta. A well-established maternal nicotine exposure rat model and Rcho-1 trophoblast giant cell model were utilized to address the research questions. Maternal nicotine exposure in vivo led to elevated ER stress in association with impaired disulfide bond formation and hypoxia. Nicotine exposure in vitro further differentiated that ER stress may be …
Novel Therapeutic Approaches For Ischemic Heart And Brain Injury: Modulation Of Toll-Like Receptor-Mediated Signaling Pathways And Pi3k/Akt Signaling, Chen Lu
Electronic Theses and Dissertations
Innate immune and inflammatory responses contribute to myocardial and cerebral ischemia/reperfusion (I/R) injury. Toll-like receptors (TLRs) play a critical role in the induction of innate immune and inflammatory responses via activation of nuclear factor kappa B (NF-κB). We have shown that activation of NF-κB contributes to myocardial and cerebral I/R injury. Indeed, inhibition of TLR4-mediated NF-κB activation significantly decreased myocardial and cerebral I/R injury via activation of PI3K/Akt signaling. PI3K/Akt signaling is an important pathway in regulating cellular survival and inflammatory responses. Therefore, an important question is how to differentially modulate PI3K/Akt signaling and TLR/NF-κB-mediated signaling pathway during I/R injury? …
Expression And Splicing Of Alzheimer’S Disease Risk Gene Phosphatidylinositol-Binding Clathrin Assembly Protein, Ishita Parikh
Expression And Splicing Of Alzheimer’S Disease Risk Gene Phosphatidylinositol-Binding Clathrin Assembly Protein, Ishita Parikh
Theses and Dissertations--Physiology
Recent Genome Wide Association Studies (GWAS) have identified a series of single nucleotide polymorphism (SNP)s that are associated with Alzheimer’s disease (AD). One of the SNPs, rs3851179 (G/A), is near the gene phosphatidylinositol-binding clathrin assembly protein (PICALM). To evaluate whether this SNP is associated with PICALM expression, we quantified PICALM mRNA in 56 brain cDNA samples. Using linear regression analysis, we analyzed PICALM expression relative to rs3851179, AD status, and cell type specific markers. An association was detected between rs3851179 and PICALM, microvessel mRNA, glial fibrillary acidic protein (GFAP) mRNA, and synaptophysin (SYN) mRNA. To gain clarity …
Constitutive Mu-Opioid Receptor Activity Leads To Long-Term Endogenous Analgesia And Dependence, Gregory Corder, Suzanne Doolen, Renee R. Donahue, Michele K. Winter, Brandon L. Jutras, Y He, X Hu, Joseph S. Wieskopf, Jeffrey S. Mogil, Daniel R. Storm, Z J. Wang, Kenneth E. Mccarson, Bradley K. Taylor
Constitutive Mu-Opioid Receptor Activity Leads To Long-Term Endogenous Analgesia And Dependence, Gregory Corder, Suzanne Doolen, Renee R. Donahue, Michele K. Winter, Brandon L. Jutras, Y He, X Hu, Joseph S. Wieskopf, Jeffrey S. Mogil, Daniel R. Storm, Z J. Wang, Kenneth E. Mccarson, Bradley K. Taylor
Renee R. Donahue
Opioid receptor antagonists increase hyperalgesia in humans and animals, which indicates that endogenous activation of opioid receptors provides relief from acute pain; however, the mechanisms of long-term opioid inhibition of pathological pain have remained elusive. We found that tissue injury produced m-opioid receptor (MOR) constitutive activity (MORCA) that repressed spinal nociceptive signaling for months. Pharmacological blockade during the posthyperalgesia state with MOR inverse agonists reinstated central pain sensitization and precipitated hallmarks of opioid withdrawal (including adenosine 3′,5′-monophosphate overshoot and hyperalgesia) that required N-methyl-D-aspartate receptor activation of adenylyl cyclase type 1. Thus, MORCA initiates both analgesic signaling and a compensatory opponent …
Supplemental Data For Science 2013 Corder Et Al. Constitutive Mu-Opioid Receptor Activity Leads To Long-Term Endogenous Analgesia And Dependence, Renee R. Donahue
Supplemental Data For Science 2013 Corder Et Al. Constitutive Mu-Opioid Receptor Activity Leads To Long-Term Endogenous Analgesia And Dependence, Renee R. Donahue
Renee R. Donahue
Opioid receptor antagonists increase hyperalgesia in humans and animals, which indicates that endogenous activation of opioid receptors provides relief from acute pain; however, the mechanisms of long-term opioid inhibition of pathological pain have remained elusive. We found that tissue injury produced m-opioid receptor (MOR) constitutive activity (MORCA) that repressed spinal nociceptive signaling for months. Pharmacological blockade during the posthyperalgesia state with MOR inverse agonists reinstated central pain sensitization and precipitated hallmarks of opioid withdrawal (including adenosine 3′,5′-monophosphate overshoot and hyperalgesia) that required N-methyl-D-aspartate receptor activation of adenylyl cyclase type 1. Thus, MORCA initiates both analgesic signaling and a compensatory opponent …
Electrospun Nanofibers For Neural Tissue Engineering, Jingwei Xie, Matthew R. Macewan, Andrea G. Schwartz, Younan Xia
Electrospun Nanofibers For Neural Tissue Engineering, Jingwei Xie, Matthew R. Macewan, Andrea G. Schwartz, Younan Xia
MIIR Faculty Research
Biodegradable nanofibers produced by electrospinning represent a new class of promising scaffolds to support nerve regeneration. We begin with a brief discussion on electrospinning of nanofibers and methods for controlling the structure, porosity, and alignment of the electrospun nanofibers. The methods include control of the nanoscale morphology and microscale alignment for the nanofibers, as well as the fabrication of macroscale, three-dimensional tubular structures. We then highlight recent studies that utilize electrospun nanofibers to manipulate biological processes relevant to nervous tissue regeneration, including stem cell differentiation, guidance of neurite extension, and peripheral nerve injury treatments. The main objective of this feature …
Biochemical Characterization Of The Major Sorghum Grain Peroxidase, Mamoudou H. Dicko, Harry Gruppen, Riet Hilhorst, Alphons G. J. Voragen, Willen W. H. Van Berkel
Biochemical Characterization Of The Major Sorghum Grain Peroxidase, Mamoudou H. Dicko, Harry Gruppen, Riet Hilhorst, Alphons G. J. Voragen, Willen W. H. Van Berkel
Pr. Mamoudou H. DICKO, PhD
Food Based Approaches For A Healthy Nutrition In Africa, Mamoudou Hama Dicko
Food Based Approaches For A Healthy Nutrition In Africa, Mamoudou Hama Dicko
Pr. Mamoudou H. DICKO, PhD
The latest estimates of the FAO demonstrate the problems of the fight against hunger. These problems are manifested by the ever-increasing number of chronically undernourished people worldwide. Their numbers during the 1999-2001 period were estimated at about 840 million of which 798 million live in developing countries. Sub-Saharan Africa alone represented 198 million of those. In this part of Africa the prevalence of undernourishment ranges from 5-34%, causing growth retardation and insufficient weight gain among one third of the children under five years of age and resulting in a mortality of 5-15% among these children. Malnutrition resulting from undernourishment is …