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Journal of Clinical & Cellular Immunology

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https://www.readbyqxmd.com/read/28936366/constitutive-and-stress-induced-expression-of-ccl5-machinery-in-rodent-retina
#1
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
https://www.readbyqxmd.com/read/28868205/moving-in-and-out-dispersion-of-cells-in-self-generated-gradients
#2
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
https://www.readbyqxmd.com/read/28815154/spin-trapping-a-review-for-the-study-of-obesity-related-oxidative-stress-and-na-k-atpase
#3
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
https://www.readbyqxmd.com/read/28758047/the-role-of-the-ikaros-family-of-transcription-factors-in-regulatory-t-cell-development-and-function
#4
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
https://www.readbyqxmd.com/read/28367355/glyceryl-tribenzoate-a-flavoring-ingredient-inhibits-the-adoptive-transfer-of-experimental-allergic-encephalomyelitis-via-tgf-%C3%AE-implications-for-multiple-sclerosis-therapy
#5
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
https://www.readbyqxmd.com/read/28674635/initiating-mechanisms-of-surgery-induced-memory-decline-the-role-of-hmgb1
#6
Susana Vacas, Mervyn Maze
No abstract text is available yet for this article.
December 2016: Journal of Clinical & Cellular Immunology
https://www.readbyqxmd.com/read/28652929/tnf-%C3%AE-and-beyond-rapid-mitochondrial-dysfunction-mediates-tnf-%C3%AE-induced-neurotoxicity
#7
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
https://www.readbyqxmd.com/read/28203487/peroxisome-proliferator-activated-receptor-%C3%AE-agonists-potential-therapeutics-for-neuropathology-associated-with-fetal-alcohol-spectrum-disorders
#8
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
https://www.readbyqxmd.com/read/28191362/the-anti-inflammatory-effect-of-alpha-1-antitrypsin-in-rhinovirus-infected-human-airway-epithelial-cells
#9
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
https://www.readbyqxmd.com/read/28180029/the-major-histocompatibility-complex-mhc-in-schizophrenia-a-review
#10
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
https://www.readbyqxmd.com/read/28149670/expression-and-regulation-of-cholecystokinin-receptor-in-the-chicken-s-immune-organs-and-cells
#11
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
https://www.readbyqxmd.com/read/28111608/repairing-the-aged-parkinsonian-striatum-lessons-from-the-lab-and-clinic
#12
Natosha M Mercado, Timothy J Collier, Thomas Freeman, Kathy Steece-Collier
The primary risk factor associated with Parkinson's disease (PD) is advanced age. While there are symptomatic therapies for PD, efficacy of these eventually wane and/or side-effects develop over time. An alternative experimental therapy that has received a great deal of attention over the past several decades has been neural transplantation aimed at replacing nigral dopamine (DA) neurons that degenerate in PD. However, in PD patients and parkinsonian rats, advanced age is associated with inferior benefit following intrastriatal grafting of embryonic DA neurons...
December 2016: Journal of Clinical & Cellular Immunology
https://www.readbyqxmd.com/read/28603659/regulated-production-of-cxcl13-within-the-central-nervous-system
#13
David N Irani
The chemokine, C-X-C motif ligand 13 (CXCL13), is constitutively expressed in lymphoid organs and controls the recruitment and compartmentalization of lymphocytes and antigen presenting cells within these specialized structures. Recent data, however, also show induction of this molecule under a variety of circumstances during central nervous system (CNS) inflammation. While its role(s) in the pathogenesis of neoplastic, infectious and autoimmune disorders of the CNS remain incompletely understood, growing evidence suggests that CXCL13 could become a relevant therapeutic target in at least some of these conditions...
October 2016: Journal of Clinical & Cellular Immunology
https://www.readbyqxmd.com/read/28090375/autologous-bone-marrow-transplantation-in-multiple-sclerosis-biomarker-relevance-for-patient-recruitment-and-follow-up
#14
Ana C Londoño, Carlos A Mora
BACKGROUND: Despite the current availability of disease modifying therapies for the treatment of multiple sclerosis, there are still patients who suffer from severe neurological dysfunction in the relapsing-remitting or early progressive forms of the disease. For these patients autologous hematopoietic stem cell transplant offers an important therapeutic solution to prevent progression to irreversible disability. In spite of multiple studies in the last two decades, patient inclusion criteria, protocols for peripheral blood stem cell mobilization and bone marrow cell conditioning and methodology of follow up for autologous hematopoietic stem cell transplant in multiple sclerosis have not been strictly unified...
October 2016: Journal of Clinical & Cellular Immunology
https://www.readbyqxmd.com/read/28066687/how-little-is-too-much-how-transient-tumor-stromal-crosstalk-can-control-tumor-progression
#15
Christina H Stuelten
Tumorigenesis is driven by genetic and physiological alterations of tumor cells as well as by the host microenvironment. In a co-culture of breast cancer cells and fibroblasts, short term interactions between tumor cells and stromal fibroblasts increase levels of active, fibroblast derived TGF-β in the extracellular medium, which in turn induces an expanded metastatic pattern of MCF10CA1a cells. These findings suggest that the effects of stromal TGF-β on tumor cell phenotype can be modeled as a dynamical system rather than a continuous linear system...
October 2016: Journal of Clinical & Cellular Immunology
https://www.readbyqxmd.com/read/27957385/ar-12-inhibits-chaperone-proteins-preventing-virus-replication-and-the-accumulation-of-toxic-misfolded-proteins
#16
Laurence Booth, Jane L Roberts, Heath Ecroyd, St Patrick Reid, Stefan Proniuk, Alexander Zukiwski, Abraham Jacob, Elsa Damonte, María J Tuñón, Paul Dent
No abstract text is available yet for this article.
October 2016: Journal of Clinical & Cellular Immunology
https://www.readbyqxmd.com/read/27942420/er-stress-induced-inflammasome-activation-contributes-to-hepatic-inflammation-and-steatosis
#17
Jinyu Zhang, Kezhong Zhang, Zihai Li, Beichu Guo
Endoplasmic reticulum (ER) stress functions as a protein folding and quality control mechanism to maintain cell homeostasis. Emerging evidence indicates that ER stress is also involved in metabolic and inflammatory diseases. However, the link between ER stress and inflammation remains not well characterized. In this study, we have demonstrated that ER stress-induced inflammasome activation plays a critical role in the pathogenesis of hepatic steatosis. By utilizing genetic and pharmacological agent-induced hepatic steatosis animal models, we found that hepatic steatosis was associated with inflammasome activation and ER stress...
October 2016: Journal of Clinical & Cellular Immunology
https://www.readbyqxmd.com/read/27942419/immune-suppression-mediated-by-myeloid-and-lymphoid-derived-immune-cells-in-the-tumor-microenvironment-facilitates-progression-of-thyroid-cancers-driven-by-hras-g12v-and-pten-loss
#18
Lee Ann Jolly, Nicole Massoll, Aime T Franco
Thyroid cancer is the most common endocrine malignancy and is predicted to be the 4(th) most commonly diagnosed cancer by 2030. Approximately one-half of follicular thyroid carcinomas (FTC) contain genetic alterations in RAS family members. Furthermore, Cowden's disease, which is characterized by loss of PTEN, predisposes for the development of FTC in humans. We have shown that thyroid specific expression of Hras(G12V) at endogenous levels and Pten inactivation (Hras(G12V)/Pten(-/-)/TPO-cre mice) leads to the development of FTCs that closely recapitulate human disease, with complete penetrance at one year...
October 2016: Journal of Clinical & Cellular Immunology
https://www.readbyqxmd.com/read/27853628/tir-domain-containing-adapter-inducing-interferon-%C3%AE-trif-regulates-cxcr5-t-helper-cells-in-the-intestine
#19
Saravana Kanagavelu, Claudia Flores, Shinichiro Hagiwara, Jose Ruiz, Jinhee Hyun, Ei E Cho, Frank Sun, Laura Romero, David Q Shih, Masayuki Fukata
OBJECTIVE: Establishing an effective humoral immunity is an important host defense mechanism in intestinal mucosa. T follicular helper (Tfh) cells are a spectrum of CXCR5 expressing T helper cells that induce antigen-specific B cell differentiation. Because the differentiation of T helper cells is largely regulated by innate immunity, we addressed whether TRIF signaling regulates Tfh cell differentiation and its ability to trigger humoral immune responses in the intestine. METHOD: CD4(+)CXCR5(+) T cells, B cells, and plasma cells in the Peyer's patches (PPs) of WT and TRIF-deficient (Trif(LPS2)) mice were analyzed by flow cytometry at the baseline, 9 days post primary infection, and 7 days post-secondary infection with Y...
October 2016: Journal of Clinical & Cellular Immunology
https://www.readbyqxmd.com/read/27895978/cytokines-and-cytokine-receptors-involved-in-the-pathogenesis-of-alzheimer-s-disease
#20
Tomone Nagae, Kiho Araki, Yuki Shimoda, Lucia I Sue, Thomas G Beach, Yoshihiro Konishi
Inflammatory mechanisms are implicated in the pathology of Alzheimer's disease (AD). However, it is unclear whether inflammatory alterations are a cause or consequence of neurodegeneration leading to dementia. Clarifying this issue would provide valuable insight into the early diagnosis and therapeutic management of AD. To address this, we compared the mRNA expression profiles of cytokines in the brains of AD patients with "non-demented individuals with AD pathology" and non-demented healthy control (ND) individuals...
August 2016: Journal of Clinical & Cellular Immunology
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