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https://www.readbyqxmd.com/read/28817541/titers-of-antibodies-to-the-surface-antigen-of-hepatitis-b-virus-after-vaccination-in-relation-to-immunity-related-gene-variants-a-prospective-study-among-hemodialysis-patients
#1
Elżbieta Jodłowska-Siewert, Paweł P Jagodziński, Alicja E Grzegorzewska
INTRODUCTION    Hemodialysis (HD) patients show a weaker response to hepatitis B virus (HBV) vaccination than the healthy population. Several gene variants were reported to be associated with the levels of antibodies to HBV surface antigen (anti-HBs) after HBV vaccination among healthy individuals. OBJECTIVES    The aim of the study was to determine the effect of immunity-related genes on the maximum anti-HBs antibody levels after vaccination among HD subjects. PATIENTS AND METHODS    This 6-year prospective study included HD patients who were not infected with HBV and underwent HBV vaccination...
August 9, 2017: Polish Archives of Internal Medicine
https://www.readbyqxmd.com/read/28816360/c-c-motif-chemokine-ligand-2-regulates-lps-induced-inflammation-and-er-stress-to-enhance-proliferation-of-bovine-endometrial-epithelial-cells
#2
Whasun Lim, Hyocheol Bae, Fuller W Bazer, Sung-Man Kim, Gwonhwa Song
Chemokines play an important role in regulating the complex immune system at the maternal-fetal interface during pregnancy. Among various chemokines, C-C motif chemokine ligand 2 (CCL2) plays a role in the recruitment of immune regulatory cells to implantation sites within the endometrium. In cattle, CCL2 is abundantly expressed in the uterine endometrium. However, its intracellular signaling has not been identified. In this study, we examined the effects of CCL2 on bovine endometrial (BEND) cell proliferation...
August 17, 2017: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/28816231/molecular-mechanisms-of-the-analgesic-action-of-wu-tou-decoction-on-neuropathic-pain-in-mice-revealed-using-microarray-and-network-analysis
#3
Yan-Qiong Zhang, Chao Wang, Qiu-Yan Guo, Chun-Yan Zhu, Chen Yan, Dan-Ni Sun, Qiong-Hong Xu, Na Lin
Wu-tou Decoction (WTD) is a classic herbal formula in traditional Chinese medicine for the treatment of joint diseases, neuropathic pain (NP) and inflammatory pain. In this study we investigated whether WTD produced analgesic action in a mouse spinal nerve ligation (SNL) model and elucidated the underlying molecular mechanisms. Mice were subjected to SNL and orally treated with WTD (3.15, 6.30 or 12.60 g·kg(-1)·d(-1)) for 21 d. SNL induced mechanical hyperalgesia and heat hyperalgesia characterized by rapid and persistent pain hypersensitivity...
August 17, 2017: Acta Pharmacologica Sinica
https://www.readbyqxmd.com/read/28815185/saliva-derived-host-defense-peptides-histatin1-and-ll-37-increase-secretion-of-antimicrobial-skin-and-oral-mucosa-chemokine-ccl20-in-an-il-1%C3%AE-independent-manner
#4
Mireille A Boink, Sanne Roffel, Kamran Nazmi, Jan G M Bolscher, Enno C I Veerman, Susan Gibbs
Even though skin and oral mucosae are continuously in contact with commensal and opportunistic microorganisms, they generally remain healthy and uninflamed. Host defense peptides (HDPs) make up the body's first line of defense against many invading pathogens and are involved in the orchestration of innate immunity and the inflammatory response. In this study, we investigated the effect of two salivary HDPs, LL-37 and Hst1, on the inflammatory and antimicrobial response by skin and oral mucosa (gingiva) keratinocytes and fibroblasts...
2017: Journal of Immunology Research
https://www.readbyqxmd.com/read/28811968/il-32%C3%AE-induced-inflammation-constitutes-a-link-between-obesity-and-colon-cancer
#5
Victoria Catalán, Javier Gómez-Ambrosi, Amaia Rodríguez, Beatriz Ramírez, Victor A Ortega, José Luis Hernández-Lizoain, Jorge Baixauli, Sara Becerril, Fernando Rotellar, Víctor Valentí, Rafael Moncada, Camilo Silva, Javier Salvador, Gema Frühbeck
Growing evidence indicates that adipose tissue inflammation is an important mechanism whereby obesity promotes cancer risk and progression. Since IL-32 is an important inflammatory and remodeling factor in obesity and is also related to colon cancer (CC) development, the aim of this study was to explore whether IL-32 could function as an inflammatory factor in human obesity-associated CC promoting a microenvironment favorable for tumor growth. Samples obtained from 84 subjects [27 lean (LN) and 57 obese (OB)] were used in the study...
2017: Oncoimmunology
https://www.readbyqxmd.com/read/28811496/genome-wide-expression-differences-in-anti-vegf-and-dexamethasone-treatment-of-inflammatory-angiogenesis-in-the-rat-cornea
#6
Pierfrancesco Mirabelli, Anthony Mukwaya, Anton Lennikov, Maria Xeroudaki, Beatrice Peebo, Mira Schaupper, Neil Lagali
Angiogenesis as a pathological process in the eye can lead to blindness. In the cornea, suppression of angiogenesis by anti-VEGF treatment is only partially effective while steroids, although effective in treating inflammation and angiogenesis, have broad activity leading to undesirable side effects. In this study, genome-wide expression was investigated in a suture-induced corneal neovascularization model in rats, to investigate factors differentially targeted by dexamethasone and anti-Vegf. Topical treatment with either rat-specific anti-Vegf, dexamethasone, or normal goat IgG (sham) was given to sutured corneas for 48 hours, after which in vivo imaging, tissue processing for RNA microarray, and immunofluorescence were performed...
August 15, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28808179/aggf1-attenuates-hepatic-inflammation-and-activation-of-hepatic-stellate-cells-by-repressing-ccl2-transcription
#7
Wenping Xu, Sheng Zeng, Min Li, Zhiwen Fan, Bisheng Zhou
Liver injury represents a continuum of pathophysiological processes involving a complex interplay between hepatocytes, macrophages, and hepatic stellate cells. The mechanism whereby these intercellular interactions contribute to liver injury and fibrosis is not completely understood. We report here that angiogenic factor with G patch and FHA domains 1 (Aggf1) was downregulated in the livers of cirrhotic patients compared to healthy controls and in primary hepatocytes in response to carbon tetrachloride (CCl4) stimulation...
October 17, 2016: Journal of Biomedical Research
https://www.readbyqxmd.com/read/28807849/danshen-improves-survival-of-patients-with-colon-cancer-and-dihydroisotanshinone-i-inhibit-the-proliferation-of-colon-cancer-cells-via-apoptosis-and-skp2-signaling-pathway
#8
Yin-Yin Lin, I-Yun Lee, Wen-Shih Huang, Yu-Shin Lin, Feng-Che Kuan, Li-Hsin Shu, Yu-Ching Cheng, Yao-Hsu Yang, Ching-Yuan Wu
ETHNOPHARMACOLOGICAL RELEVANCE: Danshen (Salvia miltiorrhiza Bunge) is widely used in traditional Chinese medicine. However, it's definite clinical effect and mechanism on colon carcinoma is unclear. AIM OF THE STUDY: To test the hypothesis that the protective effect of danshen on colon cancer and discover the bioactive compounds through in vitro study. MATERIALS AND METHODS: We conducted a nationwide cohort study by using population-based data from the Taiwan National Health Insurance Research Database (NHIRD)...
August 11, 2017: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/28804223/the-effect-of-transcutaneous-electrical-acupoint-stimulation-on-inflammatory-response-in-patients-undergoing-limb-ischemia-reperfusion
#9
Yunchang Mo, Sijia Chen, Lili Yang, Ledan Huang, Dan Jin, Zhi Yu, Leilei Wang, Liangrong Wang, Shan Luo, Junlu Wang
Reperfusion after tourniquet use can induce inflammation and cause remote organ injury. We evaluated the therapeutic effect of transcutaneous electrical acupoint stimulation (TEAS) on inflammatory mediators and lung function in patients receiving lower limb tourniquets. Forty patients undergoing unilateral lower extremity surgery with tourniquet were randomly assigned to two groups: the TEAS group and ischemia-reperfusion (I/R) group. The C-C motif chemokine ligand 2 (CCL2), C-X-C motif chemokine ligand 8 (CXCL8), interleukin-1 (IL-1), interleukin-6 (IL-6), interleukin-10 (IL-10), tumor necrosis factor-α (TNF-α), and arterial blood gas analysis were measured preoperatively and 6 h after tourniquet removal...
2017: Mediators of Inflammation
https://www.readbyqxmd.com/read/28803133/predictive-value-of-multiple-cytokines-and-chemokines-for-mortality-in-an-admixed-population-15-year-follow-up-of-the-bambui-epigen-brazil-cohort-study-of-aging
#10
Maria Fernanda Lima-Costa, Juliana Vaz de Melo Mambrini, Karen Cecília de Lima Torres, Sérgio Viana Peixoto, Cesar de Oliveira, Eduardo Tarazona-Santos, Andréa Teixeira-Carvalho, Olindo Assis Martins-Filho
Inflammation, particularly elevated IL-6 serum levels, has been associated with increased mortality risk, mostly in Caucasians. The influence of genetic ethno-racial background on this association is unknown. We examined associations between baseline serum levels of Interleukin-6 (IL-6) and other cytokines (IL1-2, TNF, IL-10, and IL1β) and chemokines (CCL2, CCL5, CXCL8, CXCL9 and CXCL10) with 15-year mortality in 1,191 admixed Brazilians aged 60years and over. Elevated IL6 level (but not other biomarkers) was associated with increased risk of deaths with fully adjusted hazard ratios of 1...
August 9, 2017: Experimental Gerontology
https://www.readbyqxmd.com/read/28794879/human-papillomavirus-driven-immune-deviation-challenge-and-novel-opportunity-for-immunotherapy
#11
REVIEW
Sigrun Smola, Connie Trimble, Peter L Stern
It is now recognized that the immune system can be a key component of restraint and control during the neoplastic process. Human papillomavirus (HPV)-associated cancers of the anogenital tract and oropharynx represent a significant clinical problem but there is a clear opportunity for immune targeting of the viral oncogene expression that drives cancer development. However, high-risk HPV infection of the target epithelium and the expression of the E6/E7 oncogenes can lead to early compromise of the innate immune system (loss of antigen-presenting cells) facilitating viral persistence and increased risk of cancer...
June 2017: Therapeutic Advances in Vaccines
https://www.readbyqxmd.com/read/28791439/metabolic-crosstalk-between-fatty-pancreas-and-fatty-liver-effects-on-local-inflammation-and-insulin-secretion
#12
Felicia Gerst, Robert Wagner, Gabriele Kaiser, Madhura Panse, Martin Heni, Jürgen Machann, Malte N Bongers, Tina Sartorius, Bence Sipos, Falko Fend, Christian Thiel, Silvio Nadalin, Alfred Königsrainer, Norbert Stefan, Andreas Fritsche, Hans-Ulrich Häring, Susanne Ullrich, Dorothea Siegel-Axel
AIMS/HYPOTHESIS: Obesity-linked ectopic fat accumulation is associated with the development of type 2 diabetes. Whether pancreatic and liver steatosis impairs insulin secretion is controversial. We examined the crosstalk of human pancreatic fat cells with islets and the role of diabetogenic factors, i.e. palmitate and fetuin-A, a hepatokine released from fatty liver. METHODS: Human pancreatic resections were immunohistochemically stained for insulin, glucagon, somatostatin and the macrophage/monocyte marker CD68...
August 8, 2017: Diabetologia
https://www.readbyqxmd.com/read/28790030/notch-shapes-the-innate-immunophenotype-in-breast-cancer
#13
Qiang Shen, Brenda Cohen, Weiyue Zheng, Ramtin Rahbar, Bernard Martin, Kiichi Murakami, Sara Lamorte, Patrycja Thompson, Hal Berman, Juan Carlos Zúñiga-Pflücker, Pamela S Ohashi, Michael Reedijk
Notch activation, which is associated with basal-like breast cancer (BLBC), normally directs tissue patterning, suggesting that it may shape the tumor microenvironment (TME). Here we show that Notch in tumor cells regulates the expression of two powerful pro-inflammatory cytokines, IL1β and CCL2, and the recruitment of tumor-associated macrophages (TAMs). Notch also regulates TGFβ-mediated activation of tumor cells by TAMs, closing a Notch-dependent paracrine signaling loop between these two cell types. We use a novel mouse model in which Notch can be regulated in spontaneous mammary carcinoma to confirm that IL1β and CCL2 production, and macrophage recruitment are Notch-dependent...
August 8, 2017: Cancer Discovery
https://www.readbyqxmd.com/read/28783667/tumor-location-determines-tissue-specific-recruitment-of-tumor-associated-macrophages-and-antibody-dependent-immunotherapy-response
#14
Birgit Lehmann, Markus Biburger, Christin Brückner, Andrea Ipsen-Escobedo, Sina Gordan, Christian Lehmann, David Voehringer, Thomas Winkler, Niels Schaft, Diana Dudziak, Horia Sirbu, Georg F Weber, Falk Nimmerjahn
Despite recent advances in activating immune cells to target tumors, the presence of some immune cells, such as tumor-associated macrophages (TAMs) or tumor-associated neutrophils (TANs), may promote rather than inhibit tumor growth. However, it remains unclear how antibody-dependent tumor immunotherapies, such as cytotoxic or checkpoint control antibodies, affect different TAM or TAN populations, which abundantly express activating Fcγ receptors. In this study, we show that the tissue environment determines which cellular effector pathways are responsible for antibody-dependent tumor immunotherapy...
January 6, 2017: Science Immunology
https://www.readbyqxmd.com/read/28782174/ccl2-ccl5-and-igf-1-participate-in-the-immunomodulation-of-osteogenesis-during-m1-m2-transition-in-vitro
#15
Luis A Córdova, Florence Loi, Tzu-Hua Lin, Emmanuel Gibon, Jukka Pajarinen, Akira Nabeshima, Laura Lu, Zhenyu Yao, Stuart B Goodman
The modulation of macrophage phenotype from pro-inflammatory (M1) to tissue healing (M2) via exogenous addition of interleukin-4 (IL-4) facilitates osteogenesis; however, the molecular mediators underlying this phenomenon remain unknown. This study characterizes the IL-4-dependent paracrine crosstalk between macrophages and osteoprogenitors and its effect on osteogenesis in vitro. Primary murine M1 were co-cultured with MC3T3 cells (M1-MC3T3) in both transwell plates and direct co-cultures. To modulate M1 to M2, M1-MC3T3 were treated with IL-4 (20ng/mL) at day 3 after seeding (M1+IL-4-MC3T3)...
August 7, 2017: Journal of Biomedical Materials Research. Part A
https://www.readbyqxmd.com/read/28780502/pulmonary-ccr2-cd4-t-cells-are-immune-regulatory-and-attenuate-lung-fibrosis-development
#16
Katrin Milger, Yingyan Yu, Eva Brudy, Martin Irmler, Alla Skapenko, Michael Mayinger, Mareike Lehmann, Johannes Beckers, Frank Reichenberger, Jürgen Behr, Oliver Eickelberg, Melanie Königshoff, Susanne Krauss-Etschmann
BACKGROUND: Animal models have suggested that CCR2-dependent signalling contributes to the pathogenesis of pulmonary fibrosis, but global blockade of CCL2 failed to improve the clinical course of patients with lung fibrosis. However, as levels of CCR2(+)CD4(+) T cells in paediatric lung fibrosis had previously been found to be increased, correlating with clinical symptoms, we hypothesised that distinct CCR2(+) cell populations might either increase or decrease disease pathogenesis depending on their subtype...
August 5, 2017: Thorax
https://www.readbyqxmd.com/read/28780154/chemokines-as-new-inflammatory-players-in-the-pathogenesis-of-epilepsy
#17
REVIEW
Chiara Cerri, Matteo Caleo, Yuri Bozzi
A large series of clinical and experimental studies supports a link between inflammation and epilepsy, indicating that inflammatory processes within the brain are important contributors to seizure recurrence and precipitation. Systemic inflammation can precipitate seizures in children suffering from epileptic encephalopathies, and hallmarks of a chronic inflammatory state have been found in patients with temporal lobe epilepsy. Research performed on animal models of epilepsy further corroborates the idea that seizures upregulate inflammatory mediators, which in turn may enhance brain excitability and neuronal degeneration...
July 27, 2017: Epilepsy Research
https://www.readbyqxmd.com/read/28780056/chemokine-ligand-2-chemokine-receptor-2-signaling-in-the-trigeminal-ganglia-contributes-to-inflammatory-hyperalgesia-in-rats
#18
Mamoru Takeda, Masanori Nasu, Takuya Kanazawa, Masayuki Takahashi, Yoshihito Shimazu
This study investigated the functional significance of hyperalgesia in the CCL2/CCR2 signaling system in trigeminal ganglion (TG) neurons following inflammation. Inflammation was induced by injection of complete Freund's adjuvant (CFA) into the whisker pad of rats. The escape threshold from mechanical stimulation applied to the whisker pad 2days later was significantly lower in CFA-treated rats than in naïve rats. Fluorogold (FG) labeling was used to identify the TG neurons innervating the whisker pad. FG-labeled TG neurons were immunoreactive for CCL2/CCR2...
August 2, 2017: Neuroscience Research
https://www.readbyqxmd.com/read/28771137/the-duffy-null-genotype-is-associated-with-a-lower-level-of-ccl2-leukocytes-and-neutrophil-count-but-not-with-the-clinical-outcome-of-htlv-1-infection
#19
Maria Clara Fernandes da Silva-Malta, Camila Campos Sales, Jacqueline Cronemberger Guimarães, Poliane de Cássia Gonçalves, Daniel Gonçalves Chaves, Hadassa Campos Santos, Alexandre da Costa Pereira, João Gabriel Ribas, Anna Bárbara de Freitas Carneiro-Proietti, Marina Lobato Martins
PURPOSE: Chemokines are important in the immune response against viral infections, and may play a role in human T-lymphotropic virus 1 (HTLV-1)-associated myelopathy/tropical spastic paraparesis (HAM/TSP) pathogenesis. Polymorphisms in the Duffy antigen receptor for chemokines (DARC), such as rs12075 (A>G; FY*B>FY*A) and rs281477 (-46T>C; GATA-1 box) may influence circulating concentrations of proinflammatory chemokines. We investigate whether Duffy genotypes influence the HTLV-1 proviral load (PVL) level, HTLV-1 infection outcome and chemokine concentrations in HTLV-1 asymptomatic carriers (AC=162), HAM/TSP patients (HAM=135) and seronegative individuals (SN=71)...
August 4, 2017: Journal of Medical Microbiology
https://www.readbyqxmd.com/read/28770666/the-influence-of-vitamin-d-on-m1-and-m2-macrophages-in-patients-with-crohn-s-disease
#20
Serge Dionne, Carl-Frederic Duchatelier, Ernest G Seidman
Defective bacterial clearance by macrophages plays an important role in Crohn's disease (CD). Phenotypes and functions of inflammatory M1 and anti-inflammatory M2 have not been studied in CD. Vitamin D supplementation reduces the severity of CD by unclear mechanisms. We studied macrophage characteristics in CD and controls and the effects of 1,25 vitamin D (1,25D). PBMC were isolated from CD patients and controls. M1 and M2 were generated by culturing of monocytes with GM-CSF and M-CSF, respectively. CD M1 and M2 showed normal phagocytosis and chemotaxis to CCL2 and fMLP...
August 2017: Innate Immunity
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