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Articles 61 - 90 of 99
Full-Text Articles in Medical Immunology
Multi-Omics: Differential Expression Of Ifn-Γ Results In Distinctive Mechanistic Features Linking Chronic Inflammation, Gut Dysbiosis, And Autoimmune Diseases, Heekyong R. Bae, Patrick S. C. Leung, Deborah L. Hodge, John M. Fenimore, Seon Min Jeon, Vishal Thovarai, Amiran Dzutsev, Andrew A. Welcher, Michael Boedigheimer, Michael A. Damore, Myung Sook Choi, Richard A. Fravell, Giorgio Trinchieri, M. Eric Gershwin, Howard A. Young
Multi-Omics: Differential Expression Of Ifn-Γ Results In Distinctive Mechanistic Features Linking Chronic Inflammation, Gut Dysbiosis, And Autoimmune Diseases, Heekyong R. Bae, Patrick S. C. Leung, Deborah L. Hodge, John M. Fenimore, Seon Min Jeon, Vishal Thovarai, Amiran Dzutsev, Andrew A. Welcher, Michael Boedigheimer, Michael A. Damore, Myung Sook Choi, Richard A. Fravell, Giorgio Trinchieri, M. Eric Gershwin, Howard A. Young
United States Public Health Resources
Low grade, chronic inflammation is a critical risk factor for immunologic dysfunction including autoimmune diseases. However, the multiplicity of complex mechanisms and lack of relevant murine models limit our understanding of the precise role of chronic inflammation. To address these hurdles, we took advantage of multi-omics data and a unique murine model with a low but chronic expression of IFN-γ, generated by replacement of the AU-rich element (ARE) in the 3’ UTR region of IFN-γ mRNA with random nucleotides. Herein, we demonstrate that low but differential expression of IFN-γ in mice by homozygous or heterozygous ARE replacement triggers distinctive gut …
Dynamic Ultrasound Uniquely Reveals Anterior Capsular Tear Communicating With Vastus Intermedius Fibers, Shiv J Patel, Jasvinder A Singh, Max H Epstein, Prathap Jayaram
Dynamic Ultrasound Uniquely Reveals Anterior Capsular Tear Communicating With Vastus Intermedius Fibers, Shiv J Patel, Jasvinder A Singh, Max H Epstein, Prathap Jayaram
Faculty, Staff and Students Publications
We present a case of an anterior capsular tear of the right knee in a previously healthy, active individual. The patient was a 31-year-old male seen one month after the onset of throbbing anterior right knee pain, which progressed to sharp suprapatellar pain over the next three months. Both dynamic ultrasound (US) and MRI were obtained. Dynamic US revealed a tear of the anterior capsule of the right knee complicated by a suprapatellar effusion communicating into the vastus intermedius fibers of the quadriceps tendon. However, these findings were not evident on MRI. In addition to discussing this unique pathology, we …
Targeting Natural Killer Cells For Improved Immunity And Control Of The Adaptive Immune Response., Stephen Pierce, Eric S. Geanes, Todd Bradley
Targeting Natural Killer Cells For Improved Immunity And Control Of The Adaptive Immune Response., Stephen Pierce, Eric S. Geanes, Todd Bradley
Manuscripts, Articles, Book Chapters and Other Papers
Natural killer (NK) cells are critical for targeting and killing tumor, virus-infected and stressed cells as a member of the innate immune system. Recently, NK cells have also emerged as key regulators of adaptive immunity and have become a prominent therapeutic target for cancer immunotherapy and infection control. NK cells display a diverse array of phenotypes and function. Determining how NK cells develop and are regulated is critical for understanding their role in both innate and adaptive immunity. In this review we discuss current research approaches into NK cell adaptive immunity and how these cells are being harnessed for improving …
Vaccines In Current Culture: The Hpv Vaccine Controversy, Alyssa Johnston
Vaccines In Current Culture: The Hpv Vaccine Controversy, Alyssa Johnston
Senior Honors Theses
The use of vaccinations has drastically decreased mortality and morbidity rates related to infectious disease and has become an intrinsic part of modern health care. However, the fear of risks related to vaccines has been partially responsible for the decisions of many parents to delay or avoid vaccinating their children. The human papilloma virus (HPV) vaccine specifically is one of the most controversial vaccines in current culture due to reports of new onset or exacerbation of autoimmune diseases, infertility, and even death following its administration. This review synthesizes information regarding the relevance and safety of the HPV vaccine, as well …
Post-Surgical Pyoderma Gangrenosum After Breast Surgery: A Case Series, Jahan Tajran, Daniella Anderson, Arif Chaudhry, Dennis Hammond
Post-Surgical Pyoderma Gangrenosum After Breast Surgery: A Case Series, Jahan Tajran, Daniella Anderson, Arif Chaudhry, Dennis Hammond
Medical Student Research Symposium
Background:
Pyoderma gangrenosum (PG) is a rare inflammatory cutaneous disorder that is thought to be due to innate immune system dysfunction, specifically of neutrophils. PG has been well documented in patients with autoimmune disorders like Ulcerative Colitis and Rheumatoid Arthritis. PG can also present in surgical patients, imitating a potential wound infection and necrotizing fasciitis. Although PG is a diagnosis of exclusion, prompt recognition is essential to attaining desired aesthetic outcomes, especially with breast involvement. We present a case series of four patients who developed PG following breast surgery. We analyze each patient’s medical history, symptoms, wound progression and management …
The Interplay Of The Oral-Gut Microbiome With Chronic Inflammation In Rheumatoid Arthritis And Crohn's Disease, Anuradha Rampersaud
The Interplay Of The Oral-Gut Microbiome With Chronic Inflammation In Rheumatoid Arthritis And Crohn's Disease, Anuradha Rampersaud
Mako: NSU Undergraduate Student Journal
Abstract
Rheumatoid Arthritis (RA) and Crohn’s Disease (CD) are both chronic inflammatory diseases that share developmental and treatment similarities. RA’s symptoms include swelling, stiffness, and pain in synovial joints, corresponding with bone and cartilage destruction. CD’s symptoms include abdominal pain, bowel obstruction, bloating, diarrhea, and fever. The purpose of this literature review was to investigate the links between these two diseases and propose future treatment and prevention targets. Current treatment for RA and CD aims to suppress inflammation by targeting its mediators. However, this review noted that there should be greater focus on resolving inflammation. Both diseases are characterized by …
Prophylaxis Of Food Allergen Sensitivity, Dustin Gottfeld
Prophylaxis Of Food Allergen Sensitivity, Dustin Gottfeld
Physician Assistant Studies | Student Authored Articles
Food allergies can have a severe and drastic effect on a person’s lifestyle, while prevention of allergic disease can help to ensure others do not have to live with this burden. There are a variety of differing hypotheses that offer explanations for the early development of food allergies, particularly peanut allergies. Two of the foremost hypotheses are the Hygiene Hypothesis and the Dual-Allergen Hypothesis. The Hygiene Hypothesis claims that the diversity of a child’s microbiota creates a beneficial balance of microorganisms which can help prevent the development of allergic disease. Alternatively, the Dual-Allergen Hypothesis states that early environmental exposure to …
It's A Hard Nacht Life: Understanding How Nlrp12 Ticks, Abbigale Julia Brown
It's A Hard Nacht Life: Understanding How Nlrp12 Ticks, Abbigale Julia Brown
Graduate Theses/Dissertations
The protein NOD- like receptor pyrin domain containing 12 (NLRP12) comes from a family of protein receptors with a wide range of functions including fertility as well as anti-inflammatory properties. The biological role of NLRP12 is poorly understood: research on the mechanisms behind its function and/or activation remains contradictory between different cell models. Current research suggests its involvement in a multi-protein complex named the inflammasome. The alternative hypothesis that has also been proposed is that NLRP12 is not a part of the inflammasome, rather it negatively regulates a transcription factor known as NF-��B down stream of Toll-like receptors. NLRP12 is …
Natural Autoantibodies: Origin, Function And Utility For Diagnosis Of Disease, Abhirup Sarkar
Natural Autoantibodies: Origin, Function And Utility For Diagnosis Of Disease, Abhirup Sarkar
Graduate School of Biomedical Sciences Theses and Dissertations
Autoantibodies (aAbs) by the simplest definitions have been described as antibodies against self-antigens and were exclusively associated with autoimmune diseases. Eventually, studies demonstrated that they are abundant in the blood of all human sera, regardless of age, gender, or the presence or absence of disease, and were thus named as ‘natural autoantibodies’. The underlying reason for their ubiquity has remained elusive, but we have hypothesized that they are responsible for clearing blood-borne cell and tissue debris generated under conditions of health and disease. To test this, we chose to use two widely different disease model systems, namely neurodegenerative diseases and …
Inhibition Of Tnf-Alpha Decreases Microglia Activation In Rats Neonatally Treated With Poly I:C, Heath W. Shelton, Russell W. Brown
Inhibition Of Tnf-Alpha Decreases Microglia Activation In Rats Neonatally Treated With Poly I:C, Heath W. Shelton, Russell W. Brown
Appalachian Student Research Forum
Introduction: Current medical treatment for individuals diagnosed with schizophrenia (SCHZ) primarily relies on the inhibition of the dopamine D2 receptor that has been shown to be supersensitive in these patients. Treatment occurs through the use of antipsychotic medication which leads to a number of debilitating dose-dependent side effects, such as weight gain, agranulocytosis, and seizures. Patients diagnosed with SCHZ have also been shown to have increased inflammation in their central nervous system (CNS), particularly within specific brain regions such as the prefrontal cortex and hippocampus. This is in large part due to the interaction between a pro-inflammatory cytokine called …
Multiple Myeloma Baseline Immunoglobulin G Level And Pneumococcal Vaccination Antibody Response, Michael A. Thompson, Martin K. Oaks, Maharaj Singh, Karen M. Michel, Michael P. Mullane, Husam S. Tarawneh, Angi Kraut, Kayla J. Hamm
Multiple Myeloma Baseline Immunoglobulin G Level And Pneumococcal Vaccination Antibody Response, Michael A. Thompson, Martin K. Oaks, Maharaj Singh, Karen M. Michel, Michael P. Mullane, Husam S. Tarawneh, Angi Kraut, Kayla J. Hamm
Journal of Patient-Centered Research and Reviews
Infections are a major cause of morbidity and mortality in multiple myeloma (MM), a cancer of the immune system. Vaccination clinical efficacy endpoints have not been demonstrated, and there are limited data on surrogate markers of efficacy. This pilot study evaluated sequential immunologic markers after standard pneumococcal vaccination (PV) in patients with MM and non-MM controls. Vaccination was standard for PV (PCV13 or PPV23), with laboratory testing at baseline and at 2, 4, 12 and 24 weeks after vaccination. Immunoglobulin G (IgG) antibodies to pneumococcal antigens were detected by ELISA. Prevaccination total IgG levels and IgG subclass levels were also …
Lymphoid Hematopoiesis And The Role Of B-Cells In Transgenic Mouse Model Of Sickle Cell Disease, Christina Cotte
Lymphoid Hematopoiesis And The Role Of B-Cells In Transgenic Mouse Model Of Sickle Cell Disease, Christina Cotte
University Scholar Projects
Sickle cell disease (SCD) has been shown to be associated with decreased baseline immunity and thus increased susceptibility to infection. I sought to discern possible causes of this by looking into the correlations between SCD and hematopoiesis, the immune system and the neuroendocrine system, and ultimately by conducting experiments surrounding the impaired immune system of SCD. These experiments focused on the potential causes and effects of the diminution of B-1a cells in the SCD spleen. Adoptive transfers, infections with Streptococcus pneumoniae, and histologic imaging were conducted to establish if the diminution of the B-1a cells in the SCD spleen …
A Review Of Ankylosing Spondylitis, Hannah L. Owen
A Review Of Ankylosing Spondylitis, Hannah L. Owen
Senior Honors Theses
Ankylosing spondylitis (AS) is a systemic autoimmune disorder that induces ankylosis of the spine (fusion of the vertebrae at their various joints) and inflammatory arthritis of peripheral joints among other symptoms. Overexpression of cytokines, the presence of genetic mutations not exclusive to the human leucocyte antigen (HLA)-B27 region, and environmental factors all have large roles in the progressive development of AS. Although a definitive pathology continues to be sought after, researchers believe the adaptive immune system in AS patients attacks fibrocartilaginous entheses (supportive connective tissue between bone and attached structures like tendon, ligament, and fascia).
AS markedly reduces proper systemic …
Novel Genetic Variants Associated With Child Refractory Esophageal Stricture With Food Allergy By Exome Sequencing., Min Yang, Min Xiong, Huan Chen, Lanlan Geng, Peiyu Chen, Jing Xie, Shui Qing Ye, Ding-You Li, Sitang Gong
Novel Genetic Variants Associated With Child Refractory Esophageal Stricture With Food Allergy By Exome Sequencing., Min Yang, Min Xiong, Huan Chen, Lanlan Geng, Peiyu Chen, Jing Xie, Shui Qing Ye, Ding-You Li, Sitang Gong
Manuscripts, Articles, Book Chapters and Other Papers
BACKGROUND: Refractory esophageal stricture (RES) may be attributed to food allergy. Its etiology and pathogenesis are not fully understood. Identification of novel genetic variants associated with this disease by exome sequencing (exome-seq) may provide new mechanistic insights and new therapeutic targets.
METHODS: To identify new and novel disease-associating variants, whole-exome sequencing was performed on an Illumina NGS platform in three children with RES as well as food allergy.
RESULTS: A total of 91,024 variants were identified. By filtering out 'normal variants' against those of the 1000 Genomes Project, we identified 12,741 remaining variants which are potentially associated with RES plus …
Improving Antiretroviral Therapy Adherence In Resource-Limited Settings At Scale: A Discussion Of Interventions And Recommendations, Jessica E. Haberer, Lora Sabin, K. Rivet Amico, Catherine Orrell, Omar Galarraga, Alexander C. Tsai, Rachel C. Vreeman, Ira Wilson, Nadia A. Sam-Agudu, Terrence F. Blaschke, Bernard Vrijens, Claude Mellins, Robert H. Remien, Sheri D. Weiser, Elizabeth Lolwenthal, Michael J. Stirratt, Papa Salif Sow, Bruce Thomas, Nathan Ford, Edward Mills, Richard Lester, Jean B. Nachega, Bosco M. Bwana, Fred Ssewamala, Lawrence Mbuagbaw, Paula Munderi, Elvin H. Geng, David Bangsberg
Improving Antiretroviral Therapy Adherence In Resource-Limited Settings At Scale: A Discussion Of Interventions And Recommendations, Jessica E. Haberer, Lora Sabin, K. Rivet Amico, Catherine Orrell, Omar Galarraga, Alexander C. Tsai, Rachel C. Vreeman, Ira Wilson, Nadia A. Sam-Agudu, Terrence F. Blaschke, Bernard Vrijens, Claude Mellins, Robert H. Remien, Sheri D. Weiser, Elizabeth Lolwenthal, Michael J. Stirratt, Papa Salif Sow, Bruce Thomas, Nathan Ford, Edward Mills, Richard Lester, Jean B. Nachega, Bosco M. Bwana, Fred Ssewamala, Lawrence Mbuagbaw, Paula Munderi, Elvin H. Geng, David Bangsberg
OHSU-PSU School of Public Health Faculty Publications and Presentations
INTRODUCTION:
Successful population-level antiretroviral therapy (ART) adherence will be necessary to realize both the clinical and prevention benefits of antiretroviral scale-up and, ultimately, the end of AIDS. Although many people living with HIV are adhering well, others struggle and most are likely to experience challenges in adherence that may threaten virologic suppression at some point during lifelong therapy. Despite the importance of ART adherence, supportive interventions have generally not been implemented at scale. The objective of this review is to summarize the recommendations of clinical, research, and public health experts for scalable ART adherence interventions in resource-limited settings.
METHODS:
In …
Hiv-1 Genetic Variation Resulting In The Development Of New Quasispecies Continues To Be Encountered In The Peripheral Blood Of Well-Suppressed Patients., Will Dampier, Michael R Nonnemacher, Joshua Mell, Joshua Earl, Garth D Ehrlich, Vanessa Pirrone, Benjamas Aiamkitsumrit, Wen Zhong, Katherine Kercher, Shendra Passic, Jean W Williams, Jeffrey M Jacobson, Brian Wigdahl
Hiv-1 Genetic Variation Resulting In The Development Of New Quasispecies Continues To Be Encountered In The Peripheral Blood Of Well-Suppressed Patients., Will Dampier, Michael R Nonnemacher, Joshua Mell, Joshua Earl, Garth D Ehrlich, Vanessa Pirrone, Benjamas Aiamkitsumrit, Wen Zhong, Katherine Kercher, Shendra Passic, Jean W Williams, Jeffrey M Jacobson, Brian Wigdahl
Kimmel Cancer Center Faculty Papers
As a result of antiretroviral therapeutic strategies, human immunodeficiency virus type 1 (HIV-1) infection has become a long-term clinically manageable chronic disease for many infected individuals. However, despite this progress in therapeutic control, including undetectable viral loads and CD4+ T-cell counts in the normal range, viral mutations continue to accumulate in the peripheral blood compartment over time, indicating either low level reactivation and/or replication. Using patients from the Drexel Medicine CNS AIDS Research and Eradication Study (CARES) Cohort, whom have been sampled longitudinally for more than 7 years, genetic change was modeled against to the dominant integrated proviral quasispecies with …
The Role Of Drak2 In T Cell Function And Autoimmunity, Tarsha L. Harris
The Role Of Drak2 In T Cell Function And Autoimmunity, Tarsha L. Harris
Theses and Dissertations (ETD)
The immune system utilizes many regulatory mechanisms to limit immune responses and ensure that immune cells target foreign pathogens and not healthy cells of the body. However, some immune cells can escape these checkpoints and attack the body’s healthy cells, leading to tissue destruction and devastating autoimmune disorders. For example, multiple sclerosis (MS) occurs when immune cells attack the myelin sheath surrounding neurons of the central nervous system (CNS). Likewise, the destruction of pancreatic islet cells by dysregulated immune cells leads to type 1 diabetes (T1D). Remarkably, there are more than 80 types of autoimmune diseases. An estimated 50 million …
Pten Signaling In Regulatory T Cells And Inflammatory Disease, Sharad Krishna Shrestha
Pten Signaling In Regulatory T Cells And Inflammatory Disease, Sharad Krishna Shrestha
Theses and Dissertations (ETD)
Regulatory T (Treg) cells suppress CD4+ T cell responses during homeostasis and inflammation to prevent autoimmunity and other immune disorders. Although the transcriptional and epigenetic programs impacting Treg cell function have been extensively studied, the signaling and metabolic pathways underlying Treg stability and function are not fully understood. In this study, we determined the role of the phosphatase PTEN in Treg cells. We found that specific depletion of PTEN in Treg cells results in excessive TH1 and T follicular helper cells (TFH) responses, associated with elevated germinal center (GC) B cells and spontaneous development of autoimmune and lymphoproliferative disease in …
Diagnostics Of Primary Immunodeficiencies Through Next-Generation Sequencing., Vera Gallo, Laura Dotta, Giuliana Giardino, Emilia Cirillo, Vassilios Lougaris, Roberta D'Assante, Alberto Prandini, Rita Consolini, Emily G. Farrow, Isabelle Thiffault, Carol J. Saunders, Antonio Leonardi, Alessandro Plebani, Raffaele Badolato, Claudio Pignata
Diagnostics Of Primary Immunodeficiencies Through Next-Generation Sequencing., Vera Gallo, Laura Dotta, Giuliana Giardino, Emilia Cirillo, Vassilios Lougaris, Roberta D'Assante, Alberto Prandini, Rita Consolini, Emily G. Farrow, Isabelle Thiffault, Carol J. Saunders, Antonio Leonardi, Alessandro Plebani, Raffaele Badolato, Claudio Pignata
Manuscripts, Articles, Book Chapters and Other Papers
BACKGROUND: Recently, a growing number of novel genetic defects underlying primary immunodeficiencies (PIDs) have been identified, increasing the number of PID up to more than 250 well-defined forms. Next-generation sequencing (NGS) technologies and proper filtering strategies greatly contributed to this rapid evolution, providing the possibility to rapidly and simultaneously analyze large numbers of genes or the whole exome.
OBJECTIVE: To evaluate the role of targeted NGS and whole exome sequencing (WES) in the diagnosis of a case series, characterized by complex or atypical clinical features suggesting a PID, difficult to diagnose using the current diagnostic procedures.
METHODS: We retrospectively analyzed …
Immune Reconstitution But Persistent Activation After 48 Weeks Of Antiretroviral Therapy In Youth With Pre-Therapy Cd4 >350 In Atn 061., Bret J. Rudy, Bill G. Kapogiannis, Carol Worrell, Kathleen E. Squires, James Bethel, Su Li, Craig M. Wilson, Allison Agwu, Patricia Emmanuel, Georgine Price, Stephanie Hudey, Maureen M. Goodenow, John W. Sleasman
Immune Reconstitution But Persistent Activation After 48 Weeks Of Antiretroviral Therapy In Youth With Pre-Therapy Cd4 >350 In Atn 061., Bret J. Rudy, Bill G. Kapogiannis, Carol Worrell, Kathleen E. Squires, James Bethel, Su Li, Craig M. Wilson, Allison Agwu, Patricia Emmanuel, Georgine Price, Stephanie Hudey, Maureen M. Goodenow, John W. Sleasman
Department of Medicine Faculty Papers
BACKGROUND: Measures of immune outcomes in youth who initiate combination antiretroviral therapy (cART) early in HIV infection are limited.
DESIGN: Adolescent Trials Network 061 examined changes over 48 weeks of cART in T-cell subsets and markers of T-cell and macrophage activation in subjects with pre-therapy CD4 > 350 cells/mm. All subjects had optimal viral suppression from weeks 24 through 48.
METHODS: Subjects (n = 48) initiated cART with tenofovir/emtricitabine plus ritonavir-boosted atazanavir. Data were collected at baseline and weeks 12, 24, and 48. Trends were compared to uninfected controls.
RESULTS: Significant increases over 48 weeks were noted in all CD4 populations, …
Analysis Of Humira, Electro-Acupuncture, And Pulsatile Dry Cupping On Reducing Joint Inflammation In Patients With Rheumatoid Arthritis, Natalie Noll
AUCTUS: The Journal of Undergraduate Research and Creative Scholarship
Humira, an anti-TNF drug aimed at decreasing inflammation in Rheumatoid Arthritis patients, can cause skin diseases from rashes to skin cancer. Humira works by blocking the chemical receptor RANKL which inhibits the production of osteoclasts. Osteoclasts are cells that attack and eat bone and cartilage therefore an inhibitory mechanism would cause inflammation.. By analyzing Humira’s effect on the human body, Humira can be compared to other treatments such as electro-acupuncture and pulsatile dry cupping to determine the viability of these alternative treatment methods in regards to their abilities to decrease inflammation in Rheumatoid Arthritis patients through blocking RANKL. An analysis …
Autoimmune Susceptibility Imposed By Public Tcrβ Chains, Yunqian Zhao
Autoimmune Susceptibility Imposed By Public Tcrβ Chains, Yunqian Zhao
Theses and Dissertations (ETD)
The major histocompatibility complex (MHC) is the strongest genetic risk factor for autoimmunity. It acts together with a corresponding TCR repertoire, yet, considering the extent of the repertoire's diversity, how this imposes disease susceptibility on a population is not well understood. We address the hypothesis that shared or public TCR, those present in most individuals, modulate autoimmune risk. High resolution analyses of autoimmune encephalomyelitis-associated T-cell receptor β chain (TCRβ) showed preferential utilization of public TCR sequences, implicating them in pathogenesis. Disease-associated public TCRβ, when transgenically expressed in association with endogenously rearranged T-cell receptor α chain (TCRα), could further endow unprimed …
The Mucosal Expression Pattern Of Interferon-Ε In Rhesus Macaques, Andrew Demers, Guobin Kang, Fangrui Ma, Wuxun Lu, Zhe Yuan, Yue Li, Mark Lewis, Edmundo N. Kraiselburd, Luis Montaner, Qingsheng Li
The Mucosal Expression Pattern Of Interferon-Ε In Rhesus Macaques, Andrew Demers, Guobin Kang, Fangrui Ma, Wuxun Lu, Zhe Yuan, Yue Li, Mark Lewis, Edmundo N. Kraiselburd, Luis Montaner, Qingsheng Li
Qingsheng Li Publications
Type I IFNs play an important role in innate and adaptive immunity against viral infections. A novel type I IFN, namely IFN-ε, which can protect against vaginal transmission of HSV2 and Chlamydia muridarum bacterial infection, has been described in mice and humans. Nevertheless, the principle cell type and the expression pattern of IFN-ε in tissues remain uncertain. In addition, the expression of IFN-ε in Indian rhesus macaques (Macaca mulatta) has not been reported. Here, we analyzed IFN-ε expression in multiple mucosal sites of uninfected or SIV-infected Indian rhesus macaques using IHCS. We report for the first time the …
Fty720 (Fingolimod) Provides Insight Into The Molecular Mechanisms Of Multiple Sclerosis, Madelyn Elizabeth Crawford
Fty720 (Fingolimod) Provides Insight Into The Molecular Mechanisms Of Multiple Sclerosis, Madelyn Elizabeth Crawford
Pursuit - The Journal of Undergraduate Research at The University of Tennessee
Multiple sclerosis (MS) is a neurodegenerative disorder caused by a prolonged immune- mediated inflammatory response that targets myelin. Nearly all of the drugs approved for the treatment of MS are general immunosuppressants or only function in symptom management. The oral medication fingolimod, however, is reported to have direct therapeutic effects on cells of the central nervous system in addition to immunomodulatory functions. Fingolimod is known to interact with sphingosine-1-phosphate (S1P) receptors, and the most widely- accepted theory for its mechanism of action is functional antagonism of the receptor. This review examines significant neuromodulatory effects achieved by functional antagonism of the …
Analysis Of The Role Of Astrocyte Elevated Gene-1 In Normal Liver Physiology And In The Onset And Progression Of Hepatocellular Carcinoma, Chadia L. Robertson
Analysis Of The Role Of Astrocyte Elevated Gene-1 In Normal Liver Physiology And In The Onset And Progression Of Hepatocellular Carcinoma, Chadia L. Robertson
Theses and Dissertations
First identified over a decade ago, Astrocyte Elevated Gene-1 (AEG-1) has been studied extensively due to early reports of its overexpression in various cancer cell lines. Research groups all over the globe including our own have since identified AEG-1 overexpression in cancers of diverse lineages including cancers of the liver, colon, skin, prostate, breast, lung, esophagus, neurons and neuronal glia as compared to matched normal tissue. A comprehensive and convincing body of data currently points to AEG-1 as an essential component, critical to the progression and perhaps onset of cancer. AEG-1 is a potent activator of multiple pro-tumorigenic signal transduction …
T-Cell Treatments For Solid And Hematological Tumors, Drew C. Deniger
T-Cell Treatments For Solid And Hematological Tumors, Drew C. Deniger
Dissertations and Theses (Open Access)
Cell-based therapies have demonstrated potency and efficacy as cancer treatment modalities. T cells can be dichotomized by their T cell receptor (TCR) complexes where alpha/beta T cells (95% of T cells) and gamma/delta T cells (+T cells proliferated to clinically significant numbers and ROR1+ tumor cells were effectively targeted and killed by both ROR1-specific CAR+ T cell populations, although ROR1RCD137 were superior to ROR1RCD28 in clearance of leukemia xenografts in vivo. The second specific aim focused on generating bi-specific CD19-specific CAR+ gamma/delta T cells with polyclonal TCRgamma/delta repertoire on CD19+ artificial antigen presenting cells (aAPC). …
Severe Combined Immune Deficiency Syndrome, Ali Faisal Saleem, Ranish Deedar Ali Khawaja, Abdul Sattar Shaikh, Syed Asad Ali, Anita Kaniz Mehdi Zaidi
Severe Combined Immune Deficiency Syndrome, Ali Faisal Saleem, Ranish Deedar Ali Khawaja, Abdul Sattar Shaikh, Syed Asad Ali, Anita Kaniz Mehdi Zaidi
Department of Paediatrics and Child Health
Objective: To determine the clinico-demographic features and laboratory parameters of children with severe combined immunodeficiency (SCID).
Study Design: Case series.
Place and Duration of Study: Department of Paediatrics and Child Health, the Aga Khan University, Karachi, from July 2006 to July 2011.
Methodology: Thirteen infants who were discharged with a diagnosis of SCID were inducted in the study. Their clinicodemographic features and laboratory parameters were determined. Descriptive statistics has been used for computing frequency and percentage.
Results: The median age at diagnosis was five months; 5 infants presented within 3 months of life. Three-fourth (77%) were males. Most of the …
Stimulation Through Tlr4 Increases Fviii Inhibitor Formation In A Mouse Model Of Hemophilia A, Claire K. Holley
Stimulation Through Tlr4 Increases Fviii Inhibitor Formation In A Mouse Model Of Hemophilia A, Claire K. Holley
Dissertations and Theses (Open Access)
Hemophilia A is a clotting disorder caused by functional factor VIII (FVIII) deficiency. About 25% of patients treated with therapeutic recombinant FVIII develop antibodies (inhibitors) that render subsequent FVIII treatments ineffective. The immune mechanisms of inhibitor formation are not entirely understood, but circumstantial evidence indicates a role for increased inflammatory response, possibly via stimulation of Toll-like receptors (TLRs), at the time of FVIII immunization. I hypothesized that stimulation through TLR4 in conjunction with FVIII treatments would increase the formation of FVIII inhibitors. To test this hypothesis, FVIII K.O. mice were injected with recombinant human FVIII with or without concomitant doses …
Interventions To Reduce Neonatal Mortality From Neonatal Tetanus In Low And Middle Income Countries - A Systematic Review, Adeel Ahmed Khan, Aysha Zahidie, F. Rabbani
Interventions To Reduce Neonatal Mortality From Neonatal Tetanus In Low And Middle Income Countries - A Systematic Review, Adeel Ahmed Khan, Aysha Zahidie, F. Rabbani
Community Health Sciences
Background
In 1988, WHO estimated around 787,000 newborns deaths due to neonatal tetanus. Despite few success stories majority of the Low and Middle Income Countries (LMICs) are still struggling to reduce neonatal mortality due to neonatal tetanus. We conducted a systematic review to understand the interventions that have had a substantial effect on reducing neonatal mortality rate due to neonatal tetanus in LMICs and come up with feasible recommendations for decreasing neonatal tetanus in the Pakistani setting.
Methods
We systemically reviewed the published literature (Pubmed and Pubget databases) to identify appropriate interventions for reducing tetanus related neonatal mortality. A total …
Factors That Lead To The Immunotherapy Gap In Multiple Sclerosis Testing, Karthika Solai
Factors That Lead To The Immunotherapy Gap In Multiple Sclerosis Testing, Karthika Solai
AUCTUS: The Journal of Undergraduate Research and Creative Scholarship
Multiple sclerosis is a disease that affects the central nervous system. Most doctors and scientists believe that it is an autoimmune disease. Simply put, the immune system attacks the nerves in a person’s body, thereby causing myelin damage, inflammation, and neurodegeneration. The plaque that then builds up on the nerves is scar tissue created when the wounds made by the immune system heal. It is this plaque that inhibits communication between the axons in the body and causes the symptoms of MS, which includes problems with movement, pain, vision problems, trouble swallowing, fatigue, and heat sensitivity (Baker et al., 2011, …