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International Immunopharmacology

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https://www.readbyqxmd.com/read/28806642/circulating-follicular-helper-t-cells-presented-distinctively-different-responses-toward-bacterial-antigens-in-primary-biliary-cholangitis
#1
Zun-Qiang Zhou, Da-Nian Tong, Jiao Guan, Mei-Fang Li, Qi-Ming Feng, Min-Jie Zhou, Zheng-Yun Zhang
Primary biliary cholangitis (PBC) is a chronic and progressive cholestatic liver disease with unknown causes. The initiation of PBC is associated with bacterial infections and abnormal immune correlates, such as the presence of self-reactive anti-mitochondrial antibodies and shifted balance of T cell subsets. In particular, the CD4(+)CXCR5(+) follicular helper T (Tfh) cells are highly activated in PBC patients and are significantly associated with PBC severity, but the underlying reasons are unknown. In this study, we found that the circulating CD4(+)CXCR5(+) T cells were enriched with the interferon (IFN)-γ-secreting Th1-subtype and the interleukin (IL)-17-secreting Th17-subtype, but not the IL-4-secreting Th2 subtype...
August 11, 2017: International Immunopharmacology
https://www.readbyqxmd.com/read/28806641/acute-ethanol-administration-results-in-a-protective-cytokine-and-neuroinflammatory-profile-in-traumatic-brain-injury
#2
Akila Chandrasekar, Florian Olde Heuvel, Annette Palmer, Birgit Linkus, Albert C Ludolph, Tobias M Boeckers, Borna Relja, Markus Huber-Lang, Francesco Roselli
Ethanol intoxication is a common comorbidity in traumatic brain injury. To date, the effect of ethanol on TBI pathogenic cascades and resulting outcomes remains debated. A closed blunt weight-drop murine TBI model has been implemented to investigate behavioral (by sensorimotor and neurological tests), and neuro-immunological (by tissue cytokine arrays and immuno-histology) effects of ethanol intoxication on TBI. The effect of the occurrence of traumatic intracerebral hemorrhage was also studied. The results indicate that ethanol pretreatment results in a faster and better recovery after TBI with reduced infiltration of leukocytes and reduced microglia activation...
August 11, 2017: International Immunopharmacology
https://www.readbyqxmd.com/read/28802902/pseudomonas-aeruginosa-mannose-sensitive-hemagglutinin-injection-treated-cytokine-induced-killer-cells-combined-with-chemotherapy-in-the-treatment-of-malignancies
#3
Chaoqi Zhang, Zhen Zhang, Liping Wang, Jiaoling Han, Feng Li, Chunyi Shen, Hong Li, Lan Huang, Xuan Zhao, Dongli Yue, Jianmin Huang, Yan Yan, Yi Zhang
Pseudomonas aeruginosa-mannose sensitive hemagglutinin (PA-MSHA) injection serves as immunological adjuvant in clinical treatment of cancer patients. In present study, we investigated whether PA-MSHA injection enhanced the anti-tumor efficacy of CIK cells. Twenty patients with malignancies were enrolled in this retrospective clinical trial. They were divided into two groups: 10 patients received PA-MSHA treated CIK cells transfusion combined with chemotherapy, and other patients accepted CIK cells and chemotherapy...
August 10, 2017: International Immunopharmacology
https://www.readbyqxmd.com/read/28802151/sodium-butyrate-inhibits-the-nf-kappa-b-signaling-pathway-and-histone-deacetylation-and-attenuates-experimental-colitis-in-an-il-10-independent-manner
#4
Changhyun Lee, Byeong Gwan Kim, Jee Hyun Kim, Jaeyoung Chun, Jong Pil Im, Joo Sung Kim
Butyrate is a bacterial metabolite of dietary fiber in the colon that has been used to treat inflammatory disease. However, the effect of oral supplementation with butyrate on colitis has not been fully explored. We evaluated the effects of and mechanisms underlying oral supplementation with butyrate on experimental murine colitis. In an in vitro study, we found that LPS induced the secretion of cytokines (i.e., IL-8 in COLO 205; TNF-α, IL-6, IL-12, and IL-10 in RAW 264.7; and TNF-α, IL-6 and IL-12 in peritoneal macrophages obtained from IL-10-deficient [IL-10(-/-)] mice)...
August 9, 2017: International Immunopharmacology
https://www.readbyqxmd.com/read/28802150/mir-let-7a-regulates-anti-citrullinated-protein-antibody-induced-macrophage-activation-and-correlates-with-the-development-of-experimental-rheumatoid-arthritis
#5
Wei Zhu, Jianbo Yu, Shou Qiu, Haifeng Liu, Yan Wang, Xiaoyan Xu, Lili Shao, Lingling Zhu, Yan Jiao, Fan Liu, Xiaodong Zhu
Anti-citrullinated protein antibodies (ACPAs) are a key serological marker of rheumatoid arthritis (RA). To investigate whether miR-let7a downregulated ACPA-induced macrophage activation and arthritis, miR-let7a levels were assessed in the synovial fluid from patients with RA or osteoarthritis (OA). In addition, expression of the pro-inflammatory genes HMGA2, PI3K, and IRF5 was examined in ACPA-induced macrophages and a collagen antibody-induced mouse model of arthritis. As expected, miR-let7a expression in synovial fluid macrophages was substantially lower in patients with RA than in those with OA...
August 9, 2017: International Immunopharmacology
https://www.readbyqxmd.com/read/28779592/psoralidin-suppresses-osteoclastogenesis-in-bmms-and-attenuates-lps-mediated-osteolysis-by-inhibiting-inflammatory-cytokines
#6
Lingbo Kong, Rui Ma, Xiaobin Yang, Ziqi Zhu, Hua Guo, Baorong He, Biao Wang, Dingjun Hao
Psoralidin is a metabolic product from the seed of psoraleacorylifolia, possessed anti-inflammatory and immunomodulatory effects. We speculated that psoralidin might impact osteoclastogenesis and bone loss. By using both in vitro and in vivo studies, we observed psoralidin strongly inhibited RANKL induced osteoclast formation during preosteoclast cultures, suggesting that it acts on osteoclast precursors to inhibit RANKL/RANK signaling. At the molecular level, by using MAPKs specific inhibitors (U-0126, SB-203580 and SP-600125) we demonstrated that psoralidin markedly abrogated the phosphorylation of p38, ERK, JNK...
August 2, 2017: International Immunopharmacology
https://www.readbyqxmd.com/read/28772243/daphnoretin-modulates-differentiation-and-maturation-of-human-dendritic-cells-through-down-regulation-of-c-jun-n-terminal-kinase
#7
Chien-An Chen, Chien-Kuo Liu, Ming-Ling Hsu, Chih-Wen Chi, Chun-Chuan Ko, Jian-Syun Chen, Cheng-Ta Lai, Hen-Hong Chang, Tzung-Yan Lee, Yuen-Liang Lai, Yu-Jen Chen
Daphnoretin, an active constituent of Wikstroemia indica C.A. Meys, has been shown possessing anti-cancer activity. In this study, we examined the effect of daphnoretin on differentiation and maturation of human myeloid dendritic cells (DCs). After treatment with daphnoretin (0, 1.1, 3.3, 10 and 30μM) to initiate monocytes, the recovery rate of DCs was reduced in a dose-dependent manner. The mature DCs differentiated in the presence of daphnoretin had fewer and shorter dendrites. Daphnoretin modulated DCs differentiation and maturation in terms of lower expression of CD1a, CD40, CD83, DC-SIGN, and HLA-DR...
July 31, 2017: International Immunopharmacology
https://www.readbyqxmd.com/read/28759810/mir-130b-attenuates-vascular-inflammation-via-negatively-regulating-tumor-progression-locus-2-tpl2-expression
#8
Peng Wang, Xue Zhang, Fulun Li, Kai Yuan, Maoran Li, Jiwei Zhang, Bin Li, Wei Liang
Endothelial cell (EC) activation and dysfunction have been linked to a wide variety of vascular inflammatory diseases. However, the role of microRNAs in EC activation and inflammation remains largely unknown. In this study, we found that miR-130b was significantly decreased in human umbilical vein endothelial cells (HUVECs) after lipopolysaccharides (LPS) treatment. Forced expression of miR-130b inhibited the LPS-induced activation of extracellular signal-regulated kinase (ERK) and the inflammatory genes expression, such as interleukin (IL)-6 and tumor necrosis factor alpha (TNF-α)...
July 28, 2017: International Immunopharmacology
https://www.readbyqxmd.com/read/28759809/methane-rich-saline-alleviates-cerulein-induced-acute-pancreatitis-by-inhibiting-inflammatory-response-oxidative-stress-and-pancreatic-apoptosis-in-mice
#9
Qun Xie, Miaomiao Fei, Zhenzong Fa, Liping Wang, Jun Wang, Yan Zhang, Jiafeng Wang, Xiaoming Deng
BACKGROUND: Acute pancreatitis (AP) is a potentially life-threatening gastrointestinal disease involving intracellular activation of digestive enzymes and pancreatic acinar cell injury. The present study was performed to investigate whether methane-rich saline (MS) was involved in the regulation of AP. METHODS: MS (16ml/kg) was administered at different dosing frequencies on mice with cerulein-induced AP. Serum amylase, lipase and histopathological changes in the pancreas tissue were measured...
July 28, 2017: International Immunopharmacology
https://www.readbyqxmd.com/read/28759808/platelet-to-lymphocyte-ratio-plr-and-neutrophil-to-lymphocyte-ratio-nlr-are-associated-with-chronic-hepatitis-b-virus-hbv-infection
#10
Zhidan Zhao, Jianhua Liu, Jiaxin Wang, Tinyan Xie, Qiuhuan Zhang, Sisi Feng, Hui Deng, Baiyun Zhong
OBJECTIVE: This retrospective study aimed to investigate the associations between the platelet-to-lymphocyte ratio (PLR) and neutrophil-to-lymphocyte ratio (NLR) and disease severity in patients with chronic HBV infection-related liver disease (CHB). METHODS: Patients with CHB were retrospectively identified. Clinical data for 172 HBV-infected patients and 40 healthy controls were collected from the electronic patient medical record system database of our hospital...
July 28, 2017: International Immunopharmacology
https://www.readbyqxmd.com/read/28756371/il-27-induces-a-pro-inflammatory-response-in-human-fetal-membranes-mediating-preterm-birth
#11
Nanlin Yin, Hanbing Wang, Hua Zhang, Huisheng Ge, Bing Tan, Yu Yuan, Xiaofang Luo, David M Olson, Philip N Baker, Hongbo Qi
Inflammation at the maternal-fetal interface has been shown to be involved in the pathogenesis of preterm birth. Interleukin 27 (IL-27), a heterodimeric cytokine, is known to mediate an inflammatory response in some pregnancy complications. In this study, we aimed to determine whether IL-27 could induce an inflammatory reaction at the maternal-fetal interface that would mediate the onset of preterm birth. We found elevated expression of IL-27 in human peripheral serum and elevated expression of its specific receptor (wsx-1) on fetal membranes in cases of preterm birth...
July 26, 2017: International Immunopharmacology
https://www.readbyqxmd.com/read/28751107/corrigendum-to-zerumbone-enhances-the-th1-response-and-ameliorates-ovalbumin-induced-th2-responses-and-airway-inflammation-in-mice-int-immunopharmacol-24-2015-383-391
#12
Ying-Hua Shieh, Huei-Mei Huang, Ching-Chiung Wang, Chen-Chen Lee, Chia-Kwung Fan, Yueh-Lun Lee
No abstract text is available yet for this article.
July 24, 2017: International Immunopharmacology
https://www.readbyqxmd.com/read/28750350/is-macrophage-polarization-important-in-rheumatoid-arthritis
#13
REVIEW
Yang Wang, Chen-Chen Han, Dongqian Cui, Yifan Li, Yang Ma, Wei Wei
Macrophages are myeloid immune cells which are strategically positioned throughout the body, where they engulf and degrade debris, dead cells, and foreign substances, and coordinating the inflammatory processes. Macrophages can be divided into two extreme subsets, classical activation (M1), and alternatively activation (M2). The symptoms and signs of rheumatoid arthritis (RA) would exacerbate with the increase in pro-inflammatory cytokines, whereas anti-inflammatory cytokines will alleviate the symptoms and signs of RA...
July 24, 2017: International Immunopharmacology
https://www.readbyqxmd.com/read/28750349/escherichia-coli-maltose-binding-protein-mbp-activates-mouse-th1-through-tlr2-mediated-myd88-dependent-pathway-and-tlr4-mediated-trif-dependent-pathway
#14
GuoMu Liu, YiXin Zhang, NanNan Zhang, WeiHua Ni, Jing Jie, LiNa Jiang, GuiXiang Tai
MBP (maltose-binding protein) is a component of Escherichia coli. Our previous study found that MBP directly induces the activation of Th1 (T helper type 1), but the molecular mechanism remains unclear. In the present study, CD4(+)T cells were purified from the spleens of normal mice using antibody-coated immunomagnetic beads by negative selection. CD4(+)T cells activated with a CD3/CD28 antibody were stimulated with MBP. The results indicated that MBP elevated IFN-γ mRNA levels in activated CD4(+)T cells and promoted IFN-γ production from activated CD4(+)T cells...
July 24, 2017: International Immunopharmacology
https://www.readbyqxmd.com/read/28743082/characterization-and-evaluation-of-nanoencapsulated-diethylcarbamazine-in-model-of-acute-hepatic-inflammation
#15
Gabriel Barros Rodrigues, Elquio Eleamen Oliveira, Francisco Jaime Bezerra Mendonça Junior, Laise Aline Martins Dos Santos, Wilma Helena de Oliveira, Maria Eduarda Rocha de França, Deniele Bezerra Lós, Brennda Martins Gabínio, Fábia Cristiane Melo Leite de Lira, Christina Alves Peixoto
Previous studies from our laboratory have demonstrated that Diethylcarbamazine (DEC) is a potent anti-inflammatory drug. The aim of the present study was to characterize the nanoencapsulation of DEC and to evaluate its effectiveness in a model of inflammation for the first time. C57BL/6 mice were divided into six groups: 1) Control; 2) Carbon tetrachloride (CCl4); 3) DEC 25mg/kg+CCl4; 4) DEC 50mg/kg+CCl4; 5) DEC-NANO 05mg/kg+CCl4 and 6) DEC-NANO 12.5mg/kg+CCl4. Liver fragments were stained with hematoxylin-eosin, and processed for Western blot, ELISA and immunohistochemistry...
July 22, 2017: International Immunopharmacology
https://www.readbyqxmd.com/read/28743081/mycobacterium-tuberculosis-ppe44-rv2770c-is-involved-in-response-to-multiple-stresses-and-promotes-the-macrophage-expression-of-il-12-p40-and-il-6-via-the-p38-erk-and-nf-%C3%AE%C2%BAb-signaling-axis
#16
Zhaoxiao Yu, Chenhui Zhang, Mingliang Zhou, Qiming Li, Hui Li, Wei Duan, Xue Li, Yonghong Feng, Jianping Xie
Tuberculosis (TB), caused by Mycobacterium tuberculosis, remains a formidable threat to global public health. The successful intracellular persistence of M. tuberculosis significantly contributes to the intractability of tuberculosis. Proline-glutamic acid (PE) and proline-proline-glutamic acid (PPE) are mycobacterial exclusive protein families that widely reported to be involved in the bacterial virulence, physiology and interaction with host. Rv2770c (PPE44), a predicted virulence factor, was up-regulated upon the infected guinea pig lungs...
July 22, 2017: International Immunopharmacology
https://www.readbyqxmd.com/read/28738247/asiatic-acid-inhibits-lps-induced-inflammatory-response-in-human-gingival-fibroblasts
#17
Chunbo Hao, Buling Wu, Zhiming Hou, Qi Xie, Tianan Liao, Tao Wang, Dandan Ma
Asiatic acid, a triterpenoid component isolated from Centella asiatica (L.) Urban, possesses antioxidative and anti-inflammatory activities. In this study, we aimed to investigate the anti-inflammatory effects of asiatic acid both in vivo and in vitro. HGFs or RAW264.7 cells were treated with asiatic acid 1h before LPS treatment. Cell viability was measured by MTT assay. The levels of PGE2, NO, IL-6, and IL-8 were detected by ELISA. Protein expression levels were detected by western blot analysis. In vivo, asiatic acid significantly inhibited LPS-induced IL-6 and IL-8 expression levels in gingival tissues...
July 21, 2017: International Immunopharmacology
https://www.readbyqxmd.com/read/28738246/crocin-modulates-il-4-il-13-signaling-and-ameliorates-experimentally-induced-allergic-airway-asthma-in-a-murine-model
#18
Haidy Yosri, Wagdi F Elkashef, Eman Said, Nariman M Gameil
Allergic asthma is a chronic respiratory disease with a prevalent T helper (Th2)-mediated immune reaction. Crocin, the major bioactive constituent of saffron, has been reported in multiple studies to have numerous pharmacological activities, including prominent anti-oxidant activities. In the current study, the anti-asthmatic potential of crocin was evaluated. Adult male Swiss Albino mice were administered 10mg of ovalbumin (OVA) mixed with 1mg of aluminum hydroxide intraperitoneally on days 0 and 7 and were administered crocin (25mg/kg) orally daily for 16days...
July 21, 2017: International Immunopharmacology
https://www.readbyqxmd.com/read/28734166/naturally-occurring-immunomodulators-with-antitumor-activity-an-insight-on-their-mechanisms-of-action
#19
REVIEW
Shimaa Ibrahim Abdelmonym Mohamed, Ibrahim Jantan, Md Areeful Haque
Natural products with immunomodulatory activity are widely used in treatment of many diseases including autoimmune diseases, inflammatory disorders in addition to cancer. They gained a great interest in the last decades as therapeutic agents since they provide inexpensive and less toxic products than the synthetic chemotherapeutic agents. Immunomodulators are the agents that have the ability to boost or suppress the host defense response that can be used as a prophylaxis as well as in combination with other therapeutic modalities...
July 19, 2017: International Immunopharmacology
https://www.readbyqxmd.com/read/28732288/lncrna-hotair-alleviates-rheumatoid-arthritis-by-targeting-mir-138-and-inactivating-nf-%C3%AE%C2%BAb-pathway
#20
Hong-Ju Zhang, Qiao-Feng Wei, Shu-Jun Wang, Hong-Jie Zhang, Xiu-Ying Zhang, Qin Geng, Yan-Hui Cui, Xiu-Hua Wang
Rheumatoid arthritis (RA) is a chronic and autoimmune-mediated inflammatory disease. We aimed to investigate the regulation of lncRNA HOTAIR in LPS-treated chondrocytes and RA mouse. Our results showed that HOTAIR expression was significantly reduced in LPS-treated chondrocytes. The HOTAIR was then over-expressed in chondrocytes by transfecting recombinant lentivirus carrying sequences encoding HOTAIR. The LPS-induced reduction of cell proliferation rate and production of two inflammatory factors interleukin (IL)-17, IL-23 were markedly inhibited...
July 18, 2017: International Immunopharmacology
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