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Journal of Clinical & Cellular Immunology

Aaron Stubbs, Corinne Kowal, Ali Askari, Donald D Anthony, Maya Mattar
Objective: We aim to describe the persistence of symptoms associated with HCV-associated cryoglobulinemic vasculitis following achievement of (SVR) with IFN- free direct acting antiviral (DAA) therapy. In particular, we describe the persistence of C4 hypocomplementemia and positive Rheumatoid Factor (RF). Methods: We analyzed a case series of four patients enrolled from the Cleveland VA and known to have chronic HCV infection complicated by mixed cryoglobulinemia...
October 3, 2018: Journal of Clinical & Cellular Immunology
Rachel Polcyn, Jason God, Mollie Capone, Denise Matzelle, Naren L Banik, Azizul Haque
No abstract text is available yet for this article.
2018: Journal of Clinical & Cellular Immunology
Alane Blythe C Dy, Sasipa Tanyaratsrisakul, Dennis R Voelker, Julie G Ledford
Asthma remains one of the most common respiratory diseases in both children and adults affecting up to 10% of the US population. Asthma is characterized by persistent symptoms, airway inflammation, airflow limitation and frequent exacerbations. Eosinophils are a key immune cell present in a large majority of asthmatics and their presence and dysregulation are clinically associated with more severe asthma. Surfactant protein A (SP-A) provides a first-line of defense in pulmonary innate immunity by virtue of its role in pathogen opsonization...
2018: Journal of Clinical & Cellular Immunology
Dana L Sharma, Hari Vishal Lakhani, Rebecca L Klug, Brian Snoad, Rawan El-Hamdani, Joseph I Shapiro, Komal Sodhi
Non-alcoholic fatty liver disease (NAFLD) is a disease characterized by a steatosis of the liver that may progress to more serious pathological conditions including: nonalcoholic steatohepatitis (NASH), fibrosis, and cirrhosis. As the prevalence of NAFLD has increased worldwide in recent years, pathophysiology and risk factors associated with disease progression of NAFLD are at the focus of many studies. NAFLD is related to and shares common serum biomarkers with cardiovascular disease (CVD), type 2 diabetes mellitus (T2DM), obesity, and metabolic syndrome (MetS)...
October 2017: Journal of Clinical & Cellular Immunology
Bikash Sahay, Cuong Q Nguyen, Janet K Yamamoto
Despite major advances in antiretroviral therapy against HIV-1, an effective HIV vaccine is urgently required to reduce the number of new cases of HIV infections in the world. Vaccines are the ultimate tool in the medical arsenal to control and prevent the spread of infectious diseases such as HIV/AIDS. Several failed phase-IIb to -III clinical vaccine trials against HIV-1 in the past generated a plethora of information that could be used for better designing of an effective HIV vaccine in the future. Most of the tested vaccine candidates produced strong humoral responses against the HIV proteins; however, failed to protect due to: 1) the low levels and the narrow breadth of the HIV-1 neutralizing antibodies and the HIV-specific antibody-dependent Fc-mediated effector activities, 2) the low levels and the poor quality of the anti-HIV T-cell responses, and 3) the excessive responses to immunodominant non-protective HIV epitopes, which in some cases blocked the protective immunity and/or enhanced HIV infection...
August 2017: Journal of Clinical & Cellular Immunology
D'Anne S Duncan, William M McLaughlin, Noah Vasilakes, Franklin D Echevarria, Cathryn R Formichella, Rebecca M Sappington
Signaling by inflammatory cytokines and chemokines is associated with neurodegeneration in disease and injury. Here we examined expression of the β-chemokine CCL5 and its receptors in the mouse retina and evaluated its relevance in glaucoma, a common optic neuropathy associated with sensitivity to intraocular pressure (IOP). Using quantitative PCR, fluorescent in situ hybridization, immunohistochemistry and quantitative image analysis, we found CCL5 mRNA and protein was constitutively expressed in the inner retina and synaptic layers...
June 2017: Journal of Clinical & Cellular Immunology
Christina H Stuelten
Migrating cells can influence the direction of their own migration by metabolizing chemoattractants present in their environment. This is illustrated by the dispersal of melanoma cells, which break down lysophosphatidic acid and generate a gradient with increasing concentrations of lysophosphatidic acid distant from the tumor. Melanoma cells can then disperse away from the tumor as they migrate in the self-generated lysophosphatidic acid gradient. Thus, dispersal of tumor cells during invasion of the surrounding stroma might be driven by chemotaxis of cells along self-generated chemoattractant gradients...
June 2017: Journal of Clinical & Cellular Immunology
Athar Nawab, Alexandra Nichols, Rebecca Klug, Joseph I Shapiro, Komal Sodhi
Reactive oxygen species (ROS) have gained attention with mounting evidence of their importance in cell signaling and various disease states. ROS is produced continuously as a natural by-product of normal oxygen metabolism. However, high levels ROS causes oxidative stress and damage to biomolecules. This results in loss of protein function, DNA cleavage, lipid peroxidation, or ultimately cell injury or death. Obesity has become a worldwide epidemic; studies show fat accumulation is associated with increased ROS and oxidative stress...
June 2017: Journal of Clinical & Cellular Immunology
Amara Seng, Thomas M Yankee
Regulatory T (Treg) cells are a subset of immune cells that maintain homeostasis by promoting immune tolerance and suppressing the immune response via a variety of mechanisms such as secreting cytokines, killing reactive immune cells, and inducing anergy. Dysfunction of Treg cells has been implicated in inflammatory diseases such as autoimmunity and transplant rejection. Conversely, too many or hyperresponsive Treg cells has been observed in cancer and chronic infections. Treg cells have proven to be difficult to study as there are no definitive Treg surface markers...
April 2017: Journal of Clinical & Cellular Immunology
Susanta Mondal, Sridevi Dasarathi, Kalipada Pahan
Multiple sclerosis (MS) is the most common autoimmune demyelinating disease of the central nervous system (CNS). Here, we have explored a novel use of glyceryl tribenzoate (GTB), a flavoring ingredient, in ameliorating the disease process of experimental allergic encephalomyelitis (EAE), an animal model of MS, via TGF-β. Oral feeding of GTB suppressed clinical symptoms of adoptively-transferred relapsing-remitting (RR) EAE in recipient mice and suppressed the generation of encephalitogenic T cells in donor mice...
February 2017: Journal of Clinical & Cellular Immunology
Yong Gu, Zhiyuan Zhao, Hilary High, Tao Yang, Liping Yu
No abstract text is available yet for this article.
2017: Journal of Clinical & Cellular Immunology
Laura M Davison, Trine N Jorgensen
Patients with systemic lupus erythematosus (SLE) often have elevated levels of type I interferon (IFN, particularly IFNα), a cytokine that can drive many of the symptoms associated with this autoimmune disorder. Additionally, the presence of autoantibody-secreting plasma cells contributes to the systemic inflammation observed in SLE and IFNα supports the survival of these cells. Current therapies for SLE are limited to broad immunosuppression or B cell-targeting antibody-mediated depletion strategies, which do not eliminate autoantibody-secreting plasma cells...
2017: Journal of Clinical & Cellular Immunology
Rachel Polcyn, Mollie Capone, Azim Hossain, Denise Matzelle, Naren L Banik, Azizul Haque
No abstract text is available yet for this article.
2017: Journal of Clinical & Cellular Immunology
John Matthew Bryant, Mollie Bouchard, Azizul Haque
Ganoderma lucidum is a mushroom that has a long history of medicinal use in the Far East countries as this mushroom is revered for its supposed miracle cures and life improving properties. Recently, this mushroom has come under scientific scrutiny to examine the possibility of finding biologically active compounds that may have an impact on human physiology. The main category of biologically active compounds produced in the G. lucidum , are the triterpenoids, which are known as Ganoderic Acids. In this review, we discuss one Ganoderic Acid in particular known as Ganoderic Acid-DM (GA-DM) that is extracted from the Ganoderma lucidum mushroom...
2017: Journal of Clinical & Cellular Immunology
Susana Vacas, Mervyn Maze
No abstract text is available yet for this article.
December 2016: Journal of Clinical & Cellular Immunology
Ashley E Russell, Danielle N Doll, Saumyendra N Sarkar, James W Simpkins
This short communication describes our research which demonstrates that TNF-α causes a rapid decline in mitochondrial function, leading to neuronal cell death. As such, this neurotoxic proinflammatory cytokine may play a role in brain damage from stroke and neurodegeneration in chronic conditions such as Alzheimer's disease (AD) and Parkinson's disease. We have extended this initial observation by demonstrating that TNF-α stimulates a microRNA (miR-34a) which we have shown reduces five key proteins in the mitochondrial electron transport chain through base-pair complementarity...
December 2016: Journal of Clinical & Cellular Immunology
Paul D Drew, Cynthia J M Kane
Fetal alcohol spectrum disorders (FASD) result from fetal exposure to alcohol during pregnancy. These disorders present a variety of sequelae including involvement of the central nervous system (CNS) with lasting impact on cognitive function and behavior. FASD occur at an alarming rate and have significant personal and societal impact. There are currently no effective treatments for FASD. Recent studies demonstrate that ethanol induces potent neuroinflammation in many regions of the developing brain. Furthermore, anti-inflammatory agents such as peroxisome proliferator-activated receptor (PPAR)-γ agonists suppress ethanol-induced neuroinflammation and neurodegeneration...
December 2016: Journal of Clinical & Cellular Immunology
Di Jiang, Reena Berman, Qun Wu, Connor Stevenson, Hong Wei Chu
OBJECTIVE: Excessive airway inflammation is seen in chronic obstructive pulmonary disease (COPD) patients experiencing acute exacerbations, which are often associated with human rhinovirus (HRV) infection. Alpha-1 antitrypsin (A1AT) has anti-inflammatory function in endothelial cells and monocytes, but its anti-inflammatory effect has not been investigated in COPD airway epithelial cells. We determined A1AT's anti-inflammatory function in COPD airway epithelial cells and the underlying mechanisms such as the role of caspase-1...
December 2016: Journal of Clinical & Cellular Immunology
Ryan Mokhtari, Herbert M Lachman
Epidemiological studies and mouse models suggest that maternal immune activation, induced clinically through prenatal exposure to one of several infectious diseases, is a risk factor in the development of schizophrenia. This is supported by the strong genetic association established by genome wide association studies (GWAS) between the human leukocyte antigen (HLA) locus and schizophrenia. HLA proteins (also known in mice as the major histocompatibility complex; MHC) are mediators of the T-lymphocyte responses, and genetic variability is well-established as a risk factor for autoimmune diseases and susceptibility to infectious diseases...
December 2016: Journal of Clinical & Cellular Immunology
Seham El-Kassas, Solomon Odemuyiwa, George Hajishengallis, Terry D Connell, Toufic O Nashar
Cholecystokinin (CCK) is a neuropeptide that affects growth rate in chickens by regulating appetite. CCK peptides exert their function by binding to two identified receptors, CCKAR and CCKBR in the GI tract and the brain, respectively, as well as in other organs. In mammals, CCK/CCKAR interactions affect a number of immunological parameters, including regulation of lymphocytes and functioning of monocytes. Thus, food intake and growth can potentially be altered by infection and the resulting inflammatory immune response...
December 2016: Journal of Clinical & Cellular Immunology
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