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Kathleen A Griffith, Seon-Yoon Chung, Shijun Zhu, Alice S Ryan
OBJECTIVE: After chemotherapy for breast cancer, Black women gain more weight and have an increased mortality rate compared with White women. Our study objective was to compare biomarkers associated with obesity in Black women with and without a history of breast cancer. DESIGN: Case-control. SETTING: Academic/federal institution. PARTICIPANTS: Black women with a history of breast cancer (cases) and age-matched controls...
October 20, 2016: Ethnicity & Disease
Lian Gu, Jinying Zhou, Jinjing Tan, Junwei Yang, Tingting Shen, Haiyun Jiang, Qianli Tang
Inflammatory response and lipid metabolism influence the development of ischemic stroke (IS). TLRs have an important function in inflammation and lipid metabolism. To investigate association of TLR8 rs3764880 polymorphism with susceptibility of IS and the relationship between rs3764880 with inflammation response- and lipid metabolism-related quantitative traits, we conducted a case-control study in a Han Chinese population comprising 816 cases and 816 controls being matched for age and gender. The distribution of allele of TLR8 rs3764880 had statistical significance in male group (P=0...
November 15, 2016: Journal of the Neurological Sciences
Ingunn Holen, Diane V Lefley, Sheila E Francis, Sarah Rennicks, Steven Bradbury, Robert E Coleman, Penelope Ottewell
BACKGROUND: We have recently identified interleukin 1B (IL-1B) as a potential biomarker for predicting breast cancer patients at increased risk for developing bone metastasis. In mouse models, IL-1B and its receptor (IL-1R1) are upregulated in breast cancer cells that metastasise to bone compared with cells that do not. We have now investigated the functional role of IL-1 by blocking IL-1R signalling with the clinically licensed antagonist, anakinra. METHODOLOGY: 6-week old female BALB/c mice received a subcutaneous or intra-venous injection of MDA-MB-231-IV or MCF7 cells...
September 27, 2016: Oncotarget
K Kasarełło, A Szczepankowska, B Kwiatkowska-Patzer, A W Lipkowski, R Gadamski, D Sulejczak, M Łachwa, M Biały, J Bardowski
Multiple sclerosis (MS) is a human autoimmune neurodegenerative disease with an unknown etiology. Despite various therapies, there is no effective cure for MS. Since the mechanism of the disease is based on autoreactive T-cell responses directed against myelin antigens, oral tolerance is a promising approach for the MS treatment. Here, the experiments were performed to assess the impact of oral administration of recombinant Lactococcus lactis producing encephalogenic fragments of three myelin proteins: myelin basic protein, proteolipid protein, and myelin oligodendrocyte glycoprotein, on neuroimmunological changes in rats with experimental allergic encephalomyelitis (EAE) - an animal model of MS...
2016: Folia Neuropathologica
Nirali N Shah, Theresa M Watson, Bonnie Yates, David J Liewehr, Seth M Steinberg, David Jacobsohn, Terry J Fry
BACKGROUND: Diagnosis of engraftment syndrome (ES) following allogeneic hematopoietic stem cell transplantation (HSCT) can be a challenge due to the systemic presentation and alternative etiologies. With a goal of establishing biomarkers to more accurately distinguish ES, we prospectively analyzed levels of cytokines during HSCT. PROCEDURES: We performed a prospective study of children ≤21 years who underwent allogeneic HSCT. Blood samples for interleukin (IL)-6, IL-8, IL-10, IL-1b, IL-12p70, interferon-γ, tumor necrosis factor alpha (TNF-α) and procalcitonin were obtained from each subject prior to conditioning, at day 0, and then biweekly through engraftment and at days 30, 60 and 100...
October 20, 2016: Pediatric Blood & Cancer
Paulina Płoszaj, Andrzej Regiec, Stanisław Ryng, Agnieszka Piwowar, Marian L Kruzel
The 5-amino-3-methyl-4-isoxazolecarboxylic acid hydrazide (HIX) is a synthetic isoxazole derivative with a potential for development as an anti-inflammatory drug candidate. The goal of this study was to explore in vitro autoimmune and inflammatory gene modulation by HIX in human Caco-2 cultured cells. The effect of low dose of HIX was tested on the expression level of RNA in 24h Caco-2 cultures using the QIAGEN Th17 for Autoimmunity & Inflammation RT(2) Profiler PCR Array. We choose the PCR technology as the most reliable and sensitive gene expression profiling method for analyzing specific gene regulatory networks...
October 17, 2016: Immunopharmacology and Immunotoxicology
X-M Wang, Y-G Zhang, A-L Li, Z-H Long, D Wang, X-X Li, J-H Xia, S-Y Luo, Y-H Shan
OBJECTIVE: The present study aims to investigate the relationship between expression of inflammatory cytokines in the peripheral blood and the severity of depression and anxiety in patients with Parkinson's disease (PD). PATIENTS AND METHODS: Between January 2012 and December 2015, 62 PD patients admitted to our institution were included in the PD group, and 62 healthy subjects seeking health check-up at our institution during the same period of time were enrolled in the control group...
September 2016: European Review for Medical and Pharmacological Sciences
Yuanyuan Guo, Zhiyin Yang, Shan Wu, Peng Xu, Yinbo Peng, Min Yao
The inflammatory response is essential for normal cutaneous wound healing. Macrophages, as critical inflammatory cells, coordinate inflammation and angiogenesis phases during wound healing. It has been reported that the transcription factor interferon regulatory factor 8 (IRF8), a member of the IRF family, plays a critical role in the development and function of macrophages and is associated with inflammation. However, the role of IRF8 in cutaneous wound healing and its underlying mechanism remain elusive. Through immunohistochemical (IHC) staining, we showed that IRF8 is involved in the wound repair process in mice and patients...
October 5, 2016: Inflammation
S L Hsu, P Y Lee, C H Chang, C H Chen
Thyroid orbitopathy (TO) is an autoimmune disease that is complicated by ocular surface disorders, leading to discomfort. Dry eye is very prevalent in patients with TO. Recent studies on the pathogenesis of dry eye have focused on the inflammatory process, and some supporting evidence has been discovered. Because TO is a disorder of autoimmune origin, we assumed that the association between TO and dry eye is related to inflammation. Inflammation of the ocular surface in TO-related dry eye has not been well studied...
August 30, 2016: Genetics and Molecular Research: GMR
Abdoullatif Baraket, Michael Lee, Nadia Zine, Monique Sigaud, Joan Bausells, Abdelhamid Errachid
Interleukin-1b (IL-1b) and interleukin-10 (IL-10) biomarkers are one of many antigens that are secreted in acute stages of inflammation after left ventricle assisted device (LVAD) implantation for patients suffering from heart failure (HF). In the present study, we have developed a fully integrated electrochemical biosensor platform for cytokine detection at minute concentrations. Using eight gold working microelectrodes (WEs) the design will increase the sensitivity of detection, decrease the time of measurements, and allow a simultaneous detection of varying cytokine biomarkers...
September 9, 2016: Biosensors & Bioelectronics
Lei Wang, Marisol Cano, Sayantan Datta, Hong Wei, Katayoon B Ebrahimi, Yara Gorashi, Cecilia Garlanda, James T Handa
The discovery that genetic abnormalities in complement factor H (FH) are associated with increased risk for age-related macular degeneration (AMD), the most common cause of blindness among the elderly, raised hope of new treatments for this vision threatening disease. Nonetheless, over a decade after the identification of this important association, how innate immunity contributes to AMD remains unresolved. Pentraxin 3 (PTX3), an essential component of innate immunity that plays a non-redundant role in controlling inflammation, regulates complement by interacting with complement components...
September 23, 2016: Journal of Pathology
Szilamér Ferenczi, Krisztián Szegi, Zsuzsanna Winkler, Teréz Barna, Krisztina J Kovács
Inflammatory bowel disease shows increasing prevalence, however its pathomechanism and treatment is not fully resolved. Prebiotics are non-digestible carbohydrates which might provide an alternative to treat inflammatory conditions in the gut due to their positive effects either on the microbiome or through their direct effect on macrophages and mucosa. To test the protective effects of an oligomannan prebiotic, yeast cell wall mannooligosaccharide (MOS) was administered in dextran-sulphate-sodium (DSS)-induced mouse model of acute colitis...
2016: Scientific Reports
Grith Petersen Eng, Pierre Bouchelouche, Else Marie Bartels, Henning Bliddal, Klaus Bendtzen, Michael Stoltenberg
OBJECTIVES: With the present study we wanted to explore the impact of treatment with a tumor necrosis factor-α -inhibitor (TNFi) on levels of soluble biomarkers in rheumatoid arthritis (RA) patients and to identify predictors of impaired drug levels and development of anti-TNFi antibodies (anti-TNFi Abs). METHODS: Blood samples from 26 patients with established RA were taken at baseline and following 6 months of treatment with adalimumab or infliximab. Samples were analyzed for levels of TNFi, interleukin (IL)-6, and soluble TNF-receptors 1 and -2 (sTNF-R1 and -2) and for presence of anti-TNFi Abs...
2016: PloS One
Hernán Gonzalo Villagarcía, Vanesa Sabugo, María Cecilia Castro, Guillermo Schinella, Daniel Castrogiovanni, Eduardo Spinedi, María Laura Massa, Flavio Francini
We investigated the impact of chronic hypercorticosteronemia (due to neonatal monosodium L-glutamate, MSG, and treatment) on liver oxidative stress (OS), inflammation, and carbohydrate/lipid metabolism in adult male rats. We evaluated the peripheral concentrations of several metabolic and OS markers and insulin resistance indexes. In liver we assessed (a) OS (GSH and protein carbonyl groups) and inflammatory (IL-1b, TNFa, and PAI-1) biomarkers and (b) carbohydrate and lipid metabolisms. MSG rats displayed degenerated optic nerves, hypophagia, low body and liver weights, and enlarged adipose tissue mass; higher peripheral levels of glucose, triglycerides, insulin, uric acid, leptin, corticosterone, transaminases and TBARS, and peripheral and liver insulin resistance; elevated liver OS, inflammation markers, and glucokinase (mRNA/activity) and fructokinase (mRNA)...
2016: International Journal of Endocrinology
Shinji Matsuda, Alexandru Movila, Maiko Suzuki, Mikihito Kajiya, Wichaya Wisitrasameewong, Rayyan Kayal, Josefine Hirshfeld, Ayman Al-Dharrab, Irma J Savitri, Abdulghani Mira, Hidemi Kurihara, Martin A Taubman, Toshihisa Kawai
Using a mouse model of silk ligature-induced periodontal disease (PD), we report a novel method of sampling mouse gingival crevicular fluid (GCF) to evaluate the time-dependent secretion patterns of bone resorption-related cytokines. GCF is a serum transudate containing host-derived biomarkers which can represent cellular response in the periodontium. As such, human clinical evaluations of PD status rely on sampling this critical secretion. At the same time, a method of sampling GCF from mice is absent, hindering the translational value of mouse models of PD...
November 2016: Journal of Immunological Methods
Gang Liu, Gentao Fan, Guodong Guo, Wenbo Kang, Dongsheng Wang, Bin Xu, Jianning Zhao
FK-506 (Tacrolimus) is a very commonly used immunomodulatory agent that plays important roles in modulating the calcium-dependent phosphoserine-phosphothreonine protein phosphatase calcineurin and thus inhibits calcineurin-mediated secondary neuronal damage. The biological function of FK-506 in the spinal cord has not been fully elucidated. To clarify the anti-inflammatory action of FK-506 in spinal cord injury (SCI), we performed an acute spinal cord contusion injury model in adult rats and hypoxia-treated primary spinal cord microglia cultures...
August 29, 2016: Cellular and Molecular Neurobiology
Azazul Islam Chowdhury, Peter Bergsten
Elevated circulating palmitate levels have been connected with type 2 diabetes mellitus. GLP-1 has favorable effects on beta-cells function. The aim was to identify mechanisms for decreased GSIS after long-term palmitate exposure and restoration by GLP-1 by analyzing changes in G-protein coupled receptor (GPCR) pathway signaling. Insulin secretory response to 20 mM glucose was attenuated after 7 days in islets exposed to palmitate but inclusion of exendin-4 restored secretion. Palmitate treatment altered genes of several GPCR signaling pathways including inflammatory pathways with up-regulated IL-1B, SOCS1 and SOCS2 transcript levels...
August 23, 2016: Molecular and Cellular Endocrinology
Jacob Barnes, Valeria Mondelli, Carmine M Pariante
This paper describes the effects of immune genes genetic variants and mRNA expression on depression's risk, severity, and response to antidepressant treatment, through a systematic review on all papers published between 2000 and 2016. Our results, based largely on case-control studies, suggest that common genetic variants and gene expression pathways are involved in both immune activation and depression. The most replicated and relevant genetic variants include polymorphisms in the genes for interleukin (IL)-1b, IL-6, IL-10, monocyte chemoattractant protein-1 (MCP-1), tumor necrosis factor-alpha (TNF-a), C-reactive protein (CRP) and phospholipase A2 (PLA2)...
August 24, 2016: Neuropsychopharmacology: Official Publication of the American College of Neuropsychopharmacology
David C Soler, Thomas S McCormick
Traditionally, myeloid-derived suppressor cells (MDSC) have been studied in regard to their increased numbers of circulating cells in cancer patients. Recent research efforts have also increased awareness of MDSC in non-malignant inflammatory diseases, including asthma, inflammatory bowel disease, and arthritis. Psoriasis can now be added to the growing list of inflammatory disorders with an MDSC component. Cao et al. report increased numbers of monocytic myeloid-derived suppressor cells (Mo-MDSC) in psoriasis patients and examine the implication of dysregulated Mo-MDSC function...
September 2016: Journal of Investigative Dermatology
Dong Wang, Shi-Ping Li, Jin-Sheng Fu, Sheng Zhang, Lin Bai, Li Guo
The mouse autoimmune encephalomyelitis (EAE), an experimental model of multiple sclerosis (MS), is primarily characterized as dysfunction of the blood-brain barrier (BBB). Resveratrol exhibits anti-inflammatory, anti-oxidative and neuroprotective activities. We investigated the beneficial effects of resveratrol in protecting the integrity of the BBB in EAE mice, and observed improved clinical outcome in the EAE mice after resveratrol treatment. Evans blue (EB) extravasation was used to detect the disruption of BBB...
August 17, 2016: Journal of Neurophysiology
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