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Journal of Immunology Research

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https://www.readbyqxmd.com/read/28210633/potential-usefulness-of-streptococcus-pneumoniae-extracellular-membrane-vesicles-as-antibacterial-vaccines
#1
Chi-Won Choi, Edmond Changkyun Park, Sung Ho Yun, Sang-Yeop Lee, Seung Il Kim, Gun-Hwa Kim
The secretion of extracellular membrane vesicles (EMVs) is a common phenomenon that occurs in archaea, bacteria, and mammalian cells. The EMVs of bacteria play important roles in their virulence, biogenesis mechanisms, and host cell interactions. Bacterial EMVs have recently become the focus of attention because of their potential as highly effective vaccines that cause few side effects. Here, we isolated the EMVs of Streptococcus pneumoniae and examined their potential as new vaccine candidates. Although the S...
2017: Journal of Immunology Research
https://www.readbyqxmd.com/read/28210632/increased-interleukin-17f-is-associated-with-elevated-autoantibody-levels-and-more-clinically-relevant-than-interleukin-17a-in-primary-sj%C3%A3-gren-s-syndrome
#2
Yuzhou Gan, Xiaozhen Zhao, Jing He, Xu Liu, Yun Li, Xiaolin Sun, Zhanguo Li
Th17 related immune response is pathogenic in primary Sjögren's syndrome (pSS). However, the role of IL-17F, one potent inflammatory member of IL-17 family cytokines in pSS, has not been specifically defined. We recruited one hundred and nine pSS patients and forty-two healthy controls and their serum levels of IL-17A and IL-17F were determined by multiplex cytokine assays. White blood cell, red blood cell, neutrophil, lymphocyte, IgM, IgG, C3, C4, RF, ANA, anti-SSA antibody, and anti-SSB antibody were measured by standard laboratory techniques...
2017: Journal of Immunology Research
https://www.readbyqxmd.com/read/28194428/identification-of-palmitoleic-acid-controlled-by-mtor-signaling-as-a-biomarker-of-polymyositis
#3
Geng Yin, Ying Wang, Xiao-Min Cen, Yuan Yang, Min Yang, Qi-Bing Xie
Polymyositis (PM) is a chronic disease characterized by muscle pain, weakness, and increase in muscle-related enzymes, accompanied with inflammations in lymphocytes. However, it is not well understood how the molecular alternations in lymphocytes contribute to the development of polymyositis. The mechanistic target of rapamycin (mTOR) signaling is the central regulator of metabolism and inflammation in mammalian cells. Based on previous studies, we proposed that mTOR signaling may control inflammatory reactions via lipid metabolism...
2017: Journal of Immunology Research
https://www.readbyqxmd.com/read/28194427/the-hyperlipidemia-caused-by-overuse-of-glucocorticoid-after-liver-transplantation-and-the-immune-adjustment-strategy
#4
Xueqin Meng, Xinhua Chen, Liming Wu, Shusen Zheng
The overuse of glucocorticoid may cause the metabolic disorders affecting the long term outcome of liver transplantation. This study aims to investigate the immune adjustment strategy by decreasing use of glucocorticoid after liver transplantation. The follow-up study was carried out on liver function and lipid metabolism. This study included adult recipients of liver transplantation. There were 3 groups according to their use of glucocorticoid: long term (>3 months, n = 18), short term (<3 months, n = 20), and control group (no use of glucocorticoid, radical hepatic resection, n = 22)...
2017: Journal of Immunology Research
https://www.readbyqxmd.com/read/28191475/the-potential-of-micrornas-as-novel-biomarkers-for-transplant-rejection
#5
REVIEW
Matthias Hamdorf, Satoru Kawakita, Matthew Everly
The control of gene expression by microRNAs (miRNAs, miR) influences many cellular functions, including cellular differentiation, cell proliferation, cell development, and functional regulation of the immune system. Recently, miRNAs have been detected in serum, plasma, and urine and circulating miR profiles have been associated with a variety of diseases. Rejection is one of the major causes of allograft failure and preventing and treating acute rejection are the central task for clinicians working with transplant patients...
2017: Journal of Immunology Research
https://www.readbyqxmd.com/read/28191474/clinical-and-experimental-immunomodulation-2016
#6
EDITORIAL
Lenin Pavón, Hugo Besedosky, Oscar Bottasso, Marco A Velasco-Velázquez, Moisés E Bauer
No abstract text is available yet for this article.
2017: Journal of Immunology Research
https://www.readbyqxmd.com/read/28191473/evolution-of-the-immune-response-against-recombinant-proteins-tcpa-tcpb-and-flaa-as-a-candidate-subunit-cholera-vaccine
#7
Neda Molaee, Ghasem Mosayebi, Alireza Amozande-Nobaveh, Mohammad Reza Soleyman, Hamid Abtahi
Vibrio cholerae is the causative agent of cholera and annually leads to death of thousands of people around the globe. Two factors in the pathogenesis of this bacterium are its pili and flagella. The main subunits of pili TcpA, TcpB, and FlaA are the constituent subunit of flagella. In this study, we studied the ability of pili and flagella subunits to stimulate immune responses in mice. After amplification of TcpA, TcpB, and FlaA genes using PCR, they were cloned in expression plasmids. After production of the above-mentioned proteins by using IPTG, the proteins were purified and then approved using immunoblot method...
2017: Journal of Immunology Research
https://www.readbyqxmd.com/read/28182094/hemoglobins-likely-function-as-peroxidase-in-blood-clam-tegillarca-granosa-hemocytes
#8
Sufang Wang, Xiaopei Yu, Zhihua Lin, Shunqin Zhang, Liangyi Xue, Qinggang Xue, Yongbo Bao
Hemoglobins are a group of respiratory proteins principally functioning in transport of oxygen and carbon dioxide in red blood cells of all vertebrates and some invertebrates. The blood clam T. granosa is one of the few invertebrates that have hemoglobin-containing red hemocytes. In the present research, the peroxidase activity of T. granosa hemoglobins (Tg-Hbs) was characterized and the associated mechanism of action was deciphered via structural comparison with other known peroxidases. We detected that purified Tg-Hbs catalyzed the oxidation of phenolic compounds in the presence of exogenous H2O2...
2017: Journal of Immunology Research
https://www.readbyqxmd.com/read/28182088/renal-transplant-patients-biopsied-for-cause-and-tested-for-c4d-dsa-and-igg-subclasses-and-c1q-which-humoral-markers-improve-diagnosis-and-outcomes
#9
James C Cicciarelli, Nathan A Lemp, Youngil Chang, Michael Koss, Katrin Hacke, Noriyuki Kasahara, Kevin M Burns, David I Min, Robert Naraghi, Tariq Shah
The association between donor specific antibodies (DSA) and renal transplant rejection has been generally established, but there are cases when a DSA is present without rejection. We examined 73 renal transplant recipients biopsied for transplant dysfunction with DSA test results available: 23 patients diffusely positive for C4d (C4d+), 25 patients focally positive for C4d, and 25 patients negative for C4d (C4d-). We performed C1q and IgG subclass testing in our DSA+ and C4d+ patient group. Graft outcomes were determined for the C4d+ group...
2017: Journal of Immunology Research
https://www.readbyqxmd.com/read/28182078/difference-in-antibody-responses-to-mycobacterium-tuberculosis-antigens-in-japanese-tuberculosis-patients-infected-with-the-beijing-non-beijing-genotype
#10
Jingge Zhao, Beata Shiratori, Masao Okumura, Hideki Yanai, Makoto Matsumoto, Chie Nakajima, Kazue Mizuno, Kenji Ono, Tetsuya Oda, Haorile Chagan-Yasutan, Yugo Ashino, Takashi Matsuba, Takashi Yoshiyama, Yasuhiko Suzuki, Toshio Hattori
The Beijing genotype Mycobacterium tuberculosis (MTB), notorious for its virulence and predisposition to relapse, could be identified by spoligotyping based on genetic heterogeneity. The plasma samples from 20 cases of Beijing and 16 cases of non-Beijing MTB infected individuals and 24 healthy controls (HCs) were collected, and antibodies against 11 antigens (Rv0679c142Asn, Rv0679c142Lys, Ag85B, Ag85A, ARC, TDM-M, TDM-K, HBHA, MDP-1, LAM, and TBGL) were measured by ELISA. Compared to the HCs, the MTB infected subjects showed higher titers of anti-Ag85B IgG (positivity 58...
2017: Journal of Immunology Research
https://www.readbyqxmd.com/read/28168206/passive-immunoprophylaxis-for-the-protection-of-the-mother-and-her-baby-insights-from-in-vivo-models-of-antibody-transport
#11
Yanqun Xu, Iftekhar Mahmood, Lilin Zhong, Pei Zhang, Evi B Struble
Pregnant women are at high risk for infection by pathogens. Vertical transmission of infectious agents, such as Zika, hepatitis B, and cytomegalovirus during pregnancy, remains a public health problem, associated with dire outcomes for the neonate. Thus, a safe prophylactic and therapeutic approach for protecting the mother and the neonate from infections remains a high priority. Our work is focused on better understanding the safety and efficacy determinants of IgG antibody preparations when used during pregnancy to benefit the mother and her baby...
2017: Journal of Immunology Research
https://www.readbyqxmd.com/read/28168205/role-of-nampt-and-visceral-adiposity-in-esophagogastric-junction-adenocarcinoma
#12
Haijun Li, E Bai, Yong Zhang, Zhuoqi Jia, Shicai He, Junke Fu
Nampt including eNampt and iNampt may contribute to mediating obesity-associated cancers. This study investigated the role of Nampt in esophagogastric junction adenocarcinoma (EGA), a cancer strongly correlated with obesity. Visceral adiposity was defined by waist circumference or VFA. eNampt in sera were measured by enzyme-linked immunosorbent assay. iNampt expression in EGA was determined by PCR, western blot, and immunohistochemistry. Sera eNampt were significantly elevated in these overweight and obese patients, especially for viscerally obese patients, and positively correlated with BMI, waist circumference, VFA, and also primary tumor, regional lymph nodes, and TNM stage (P < 0...
2017: Journal of Immunology Research
https://www.readbyqxmd.com/read/28164139/dietary-supplementation-of-astragalus-polysaccharides-enhanced-immune-components-and-growth-factors-egf-and-igf-1-in-sow-colostrum
#13
Lunbo Tan, Ting Wei, Anwen Yuan, Jun He, Jinhui Liu, Daojun Xu, Qing Yang
Colostrum is the main external resource providing piglets with nutrients and maternal immune molecules. Astragalus polysaccharides (APS) have been used as immunopotentiators in vitro and several animal models. This study aimed to determine the effects of APS on immune factors in sow colostrum and milk. The sow diet was supplemented with APS one week before the expected delivery date. Colostrum and milk were collected and designated as 0 h- (onset of parturition), 12 h-, and 24 h-colostrum and 36 h-milk postpartum...
2017: Journal of Immunology Research
https://www.readbyqxmd.com/read/28164138/cancer-immunology-and-cancer-immunodiagnosis-2016
#14
EDITORIAL
Jianying Zhang, Bin Zhang, Yi Zhang
No abstract text is available yet for this article.
2017: Journal of Immunology Research
https://www.readbyqxmd.com/read/28164137/immune-responses-to-tissue-restricted-nonmajor-histocompatibility-complex-antigens-in-allograft-rejection
#15
REVIEW
Ankit Bharat, T Mohanakumar
Chronic diseases that result in end-stage organ damage cause inflammation, which can reveal sequestered self-antigens (SAgs) in that organ and trigger autoimmunity. The thymus gland deletes self-reactive T-cells against ubiquitously expressed SAgs, while regulatory mechanisms in the periphery control immune responses to tissue-restricted SAgs. It is now established that T-cells reactive to SAgs present in certain organs (e.g., lungs, pancreas, and intestine) are incompletely eliminated, and the dysregulation of peripheral immuneregulation can generate immune responses to SAgs...
2017: Journal of Immunology Research
https://www.readbyqxmd.com/read/28164136/the-role-of-humoral-alloreactivity-in-liver-transplantation-lessons-learned-and-new-perspectives
#16
REVIEW
Elaine Y Cheng
More than ten years after the initial description of the humoral theory of transplantation by Dr. Paul I. Terasaki, the significance of humoral alloimmunity in liver transplantation has yet to be clearly defined. The liver allograft has an inherent tolerogenic capacity which confers its resistance to cell-mediated as well as antibody-mediated rejection. Nevertheless, the protection against alloimmunity is not complete, and antibody-mediated tissue injury can occur in the liver graft under specific circumstances...
2017: Journal of Immunology Research
https://www.readbyqxmd.com/read/28164135/role-of-cd8-regulatory-t-cells-versus-tc1-and-tc17-cells-in-the-development-of-human-graft-versus-host-disease
#17
Adriana Gutiérrez-Hoya, Rubén López-Santiago, Jorge Vela-Ojeda, Laura Montiel-Cervantes, Octavio Rodríguez-Cortés, Víctor Rosales-García, Vladimir Paredes-Cervantes, Raúl Flores-Mejía, Daniela Sandoval-Borrego, Martha Moreno-Lafont
CD8(+) T cells that secrete proinflammatory cytokines play a central role in exacerbation of inflammation; however, a new subpopulation of CD8 regulatory T cells has recently been characterized. This study analyzes the prominent role of these different subpopulations in the development of graft-versus-host disease (GVHD). Samples from 8 healthy donors mobilized with Filgrastim® (G-CSF) and 18 patients who underwent allogeneic hematopoietic stem cell transplantation (HSCT) were evaluated by flow cytometry. Mobilization induced an increase in Tc1 (p < 0...
2017: Journal of Immunology Research
https://www.readbyqxmd.com/read/28154831/targeting-o-acetyl-gd2-ganglioside-for-cancer-immunotherapy
#18
REVIEW
Julien Fleurence, Sophie Fougeray, Meriem Bahri, Denis Cochonneau, Béatrice Clémenceau, François Paris, Andras Heczey, Stéphane Birklé
Target selection is a key feature in cancer immunotherapy, a promising field in cancer research. In this respect, gangliosides, a broad family of structurally related glycolipids, were suggested as potential targets for cancer immunotherapy based on their higher abundance in tumors when compared with the matched normal tissues. GD2 is the first ganglioside proven to be an effective target antigen for cancer immunotherapy with the regulatory approval of dinutuximab, a chimeric anti-GD2 therapeutic antibody. Although the therapeutic efficacy of anti-GD2 monoclonal antibodies is well documented, neuropathic pain may limit its application...
2017: Journal of Immunology Research
https://www.readbyqxmd.com/read/28133619/from-humoral-theory-to-performant-risk-stratification-in-kidney-transplantation
#19
REVIEW
C Lefaucheur, D Viglietti, M Mangiola, A Loupy, A Zeevi
The purpose of the present review is to describe how we improve the model for risk stratification of transplant outcomes in kidney transplantation by incorporating the novel insights of donor-specific anti-HLA antibody (DSA) characteristics. The detection of anti-HLA DSA is widely used for the assessment of pre- and posttransplant risks of rejection and allograft loss; however, not all anti-HLA DSA carry the same risk for transplant outcomes. These antibodies have been shown to cause a wide spectrum of effects on allografts, ranging from the absence of injury to indolent or full-blown acute antibody-mediated rejection...
2017: Journal of Immunology Research
https://www.readbyqxmd.com/read/28133618/the-role-of-hla-class-ib-molecules-in-immune-related-diseases-tumors-and-infections-2016
#20
EDITORIAL
Roberta Rizzo, Enrico Fainardi, Nathalie Rouas-Freiss, Fabio Morandi
No abstract text is available yet for this article.
2017: Journal of Immunology Research
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