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https://www.readbyqxmd.com/read/28343170/mirnas-single-nucleotide-polymorphisms-snps-and-age-related-macular-degeneration-amd
#1
John Paul SanGiovanni, Peter M SanGiovanni, Przemysław Sapieha, Vincent De Guire
Advanced age-related macular degeneration (AAMD) is a complex sight-threating disease of public health significance. Micro RNAs (miRNAs) have been proposed as biomarkers for AAMD. The presence of certain single nucleotide polymorphisms (SNPs) may influence the explanatory value of these biomarkers. Here we present findings from an integrated approach used to determine whether AAMD-associated SNPs have the capacity to influence miRNA-mRNA pairing and, if so, to what extent such pairing may be manifested in a discrete AAMD transcriptome...
March 27, 2017: Clinical Chemistry and Laboratory Medicine: CCLM
https://www.readbyqxmd.com/read/28342803/antigen-specific-ctls-to-produce-autologous-cells-product-for-adoptive-cellular-therapy
#2
Sai Liu, Yi Shao, Jie Xu, Na Jiang, Yanchao Dai, Yu Wang, Huanqin Sun, Jianping Sun, Yonghong Zhang
As antiretroviral therapy provides long term viral suppression but no cure, alternative therapies such as adoptive cellular therapy have thus been investigated in anti-AIDS field. OBJECTIVE: This study is to established a HLA-A02 specific CTL cell culture method with comparison of the effects of different cytokines used in CTLs cultivation to decide the best cultivation environment. In order to produce CTLs with targeted HLA-A02 restricted antigen specificity for adoptive cellular therapy, we evaluated autologous PBMC cultivation in different cytokine environment to select a better expansion condition to produce qualified CTLs production...
March 22, 2017: International Journal of Infectious Diseases: IJID
https://www.readbyqxmd.com/read/28340402/eslicarbazepine-acetate-as-a-therapeutic-option-in-a-patient-with-carbamazepine-induced-rash-and-hla-a-31-01
#3
Lara Kay, Laurent M Willems, Johann Philipp Zöllner, Philipp S Reif, Karl Martin Klein, Felix Rosenow, Adam Strzelczyk
Eslicarbazepine acetate (ESL) is an anticonvulsant drug approved for the treatment of focal epilepsies, and related to oxcarbazepine and carbamazepine (CBZ), which are also derivatives of the dibenzazepine family. ESL is contraindicated in patients with hypersensitivity reactions to CBZ.We report a patient with frontal lobe epilepsy responding to treatment with ESL without any serious adverse effects after developing a severe skin rash following treatment with CBZ. HLA testing revealed an HLA-A*31:01 haplotype, that increases the risk of CBZ-induced cutaneous reactions...
March 18, 2017: Seizure: the Journal of the British Epilepsy Association
https://www.readbyqxmd.com/read/28340245/unacceptable-human-leucocyte-antigens-for-organ-offers-in-the-era-of-organ-shortage-influence-on-waiting-time-before-kidney-transplantation
#4
Malte Ziemann, Nicole Heßler, Inke R König, Nils Lachmann, Andrea Dick, Vanessa Ditt, Klemens Budde, Petra Reinke, Ute Eisenberger, Barbara Suwelack, Thomas Klein, Timm H Westhoff, Wolfgang Arns, Katrin Ivens, Antje Habicht, Lutz Renders, Dirk Stippel, Dominik Bös, Florian Sommer, Siegfried Görg, Martin Nitschke, Thorsten Feldkamp, Falko M Heinemann, Reinhard Kelsch
Background.: The assignment of human leucocyte antigens (HLAs) against which antibodies are detected as unacceptable antigens (UAGs) avoids allocation of HLA- incompatible allografts. There is uncertainty as to what extent UAGs decrease the probability of receiving a kidney offer. Methods.: Kidney transplantations in 3264 patients on the waiting lists of six German transplant centres were evaluated for a period of at least 2 years. The proportion of excluded offers due to UAGs was calculated as virtual panel-reactive antibodies (vPRAs)...
March 15, 2017: Nephrology, Dialysis, Transplantation
https://www.readbyqxmd.com/read/28340205/ocular-involvement-in-patients-with-spondyloarthritis
#5
Ana Beatriz Santos Bacchiega, Gustavo Guimarães Moreira Balbi, Manuella Lima Gomes Ochtrop, Francisco Assis de Andrade, Roger Abramino Levy, Xenofon Baraliakos
Ocular inflammatory diseases can present as isolated conditions but also as part of systemic inflammatory diseases. Anterior uveitis is closely related to SpA and shares the common genetic background of HLA-B27. Other ocular manifestations, such as episcleritis and scleritis, may also occur, although less frequently. Therefore, ocular involvement has been included as one of the important clinical features of SpA in the recently published classification criteria for axial and peripheral disease. However, there are a wide variety of aetiologies for ocular diseases and this must be considered in assessment of SpA...
March 18, 2017: Rheumatology
https://www.readbyqxmd.com/read/28340094/nlrp2-is-a-suppressor-of-nf-%C3%A6-b-signaling-and-hla-c-expression-in-human-trophoblasts
#6
Tamara Tilburgs, Torsten B Meissner, Leonardo M R Ferreira, Arend Mulder, Kiran Musunuru, Junqiang Ye, Jack L Strominger
During human pregnancy, fetal extravillous trophoblasts (EVT) play a key role in the regulation of maternal T cell and NK cell responses. EVT display a unique combination of Human Leukocyte Antigens (HLA); EVT do not express HLA-A and HLA-B, but do express HLA-C, HLA-E and HLA-G. The mechanisms establishing this unique HLA expression pattern have not been fully elucidated. The MHC class I and class II transcriptional activators NLRC5 and CIITA are expressed neither by EVT nor by the EVT model cell line JEG3, which has an MHC expression pattern identical to that of EVT...
March 7, 2017: Biology of Reproduction
https://www.readbyqxmd.com/read/28339671/characteristics-of-donor-specific-anti-hla-antibodies-and-outcome-in-renal-transplant-patients-treated-with-a-standardized-induction-regimen
#7
Daniel Zecher, Christian Bach, Christoph Staudner, Carsten A Böger, Tobias Bergler, Bernhard Banas, Bernd M Spriewald
Background.: Pre-transplant donor-specific anti-human leukocyte antigen (HLA) antibodies (DSA) have been associated with antibody-mediated rejection (AMR) and early kidney allograft loss. Uncertainties remain regarding the general applicability of these findings and the optimal induction therapy in DSA-positive patients. Methods.: Pre-transplant sera from 174 patients receiving a crossmatch-negative kidney transplant were retrospectively analysed for DSA using Luminex technology...
February 18, 2017: Nephrology, Dialysis, Transplantation
https://www.readbyqxmd.com/read/28339562/characterization-of-children-with-recurrent-episodes-of-stevens-johnson-syndrome
#8
Daniel Olson, Jordan Abbott, Clara Lin, Lori Prok, Samuel R Dominguez
We performed a retrospective chart review for all cases of recurrent Stevens Johnson Syndrome (SJS) from March 2013 to March 2016. Nine children had 29 episodes of SJS or incomplete SJS; all children were male and 8 (88%) were white. Episodes affected mucus membranes with minimal skin involvement. Mycoplasma infections and HLA-B27/-B51 were common.
January 19, 2017: Journal of the Pediatric Infectious Diseases Society
https://www.readbyqxmd.com/read/28339466/in-silico-search-for-modifier-genes-associated-with-pancreatic-and-liver-disease-in-cystic-fibrosis
#9
Pascal Trouvé, Emmanuelle Génin, Claude Férec
Cystic Fibrosis is the most common lethal autosomal recessive disorder in the white population, affecting among other organs, the lung, the pancreas and the liver. Whereas Cystic Fibrosis is a monogenic disease, many studies reveal a very complex relationship between genotype and clinical phenotype. Indeed, the broad phenotypic spectrum observed in Cystic Fibrosis is far from being explained by obvious genotype-phenotype correlations and it is admitted that Cystic Fibrosis disease is the result of multiple factors, including effects of the environment as well as modifier genes...
2017: PloS One
https://www.readbyqxmd.com/read/28339124/gliadin-reactive-t-cells-in-italian-children-from-preventcd-cohort-at-high-risk-for-celiac-disease
#10
Alessandra Camarca, Renata Auricchio, Stefania Picascia, Olga Fierro, Mariantonia Maglio, Erasmo Miele, Basilio Malamisura, Luigi Greco, Riccardo Troncone, Carmen Gianfrani
BACKGROUND: Newborns at high risk for celiac disease (CD) were recruited in Italy in the context of the PreventCD Study and closely monitored for CD, from 4 months up to a mean age of 8 years at follow-up. The aim of our study was to investigate intestinal T cell reactivity to gliadin at the first clinical and/or serological signs of CD. METHODS: Gliadin-reactive T cell lines were generated from intestinal biopsies of 19 HLA-DQ2 or HLA-DQ8 positive children. At biopsy, 11 children had a diagnosis of acute CD, two of potential CD, and six were non-celiac controls...
March 24, 2017: Pediatric Allergy and Immunology
https://www.readbyqxmd.com/read/28338626/in-silico-and-in-vitro-analysis-of-interaction-between-ximelagatran-and-human-leukocyte-antigen-hla-drb1-07-01
#11
Makoto Hirasawa, Katsunobu Hagihara, Koji Abe, Osamu Ando, Noriaki Hirayama
Idiosyncratic ximelagatran-induced hepatotoxicity has been reported to be associated with human leukocyte antigen (HLA)-DRB1*07:01 and ximelagatran has been reported to inhibit the binding of the ligand peptide to HLA-DRB1*07:01 in vitro. In order to predict the possible interaction modes of ximelagatran with HLA-DR molecules, in silico docking simulations were performed. Molecular dynamics (MD) simulations were also performed to predict the effect of ximelagatran on the binding mode of the ligand peptide to HLA-DRB1*07:01...
March 24, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28338506/a-preliminary-report-radical-surgery-and-stem-cell-transplantation-for-the-treatment-of-patients-with-pancreatic-cancer
#12
Brigitta Omazic, Burcu Ayoglu, Matthias Löhr, Ralf Segersvärd, Caroline Verbeke, Isabelle Magalhaes, Zuzana Potacova, Jonas Mattsson, Alexei Terman, Sam Ghazi, Nils Albiin, Nikolaos Kartalis, Peter Nilsson, Thomas Poiret, Liu Zhenjiang, Rainer Heuchel, Jochen M Schwenk, Johan Permert, Markus J Maeurer, Olle Ringden
We examined the immunologic effects of allogeneic hematopoietic stem cell transplantation (HSCT) in the treatment of pancreatic ductal adenocarcinoma, a deadly disease with a median survival of 24 months for resected tumors and a 5-year survival rate of 6%. After adjuvant chemotherapy, 2 patients with resected pancreatic ductal adenocarcinoma underwent HSCT with HLA-identical sibling donors. Comparable patients who underwent radical surgery, but did not have a donor, served as controls (n=6). Both patients developed humoral and cellular (ie, HLA-A*01:01-restricted) immune responses directed against 2 novel tumor-associated antigens (TAAs), INO80E and UCLH3 after HSCT...
March 23, 2017: Journal of Immunotherapy
https://www.readbyqxmd.com/read/28338245/infective-capacity-of-cryptococcus-neoformans-and-cryptococcus-gattii-in-a-human-astrocytoma-cell-line
#13
M C Olave, J C Vargas-Zambrano, A M Celis, E Castañeda, J M González
Pathogenesis of cryptococcosis in the central nervous system (CNS) is a topic of ongoing research, including the mechanisms by which this fungus invades and infects the brain. Astrocytes, the most common CNS cells, play a fundamental role in the local immune response. Astrocytes might participate in cryptococcosis either as a host or by responding to fungal antigens. To determine the infectivity of Cryptococcus neoformans var. grubii and Cryptococcus gattii in a human astrocytoma cell line and the induction of major histocompatibility complex (MHC) molecules...
March 24, 2017: Mycoses
https://www.readbyqxmd.com/read/28337861/identification-of-2-novel-hla-b-alleles-hla-b-55-02-09-and-hla-b-55-80-in-chinese-individuals
#14
S-D Tao, L-N Dong, Z-D Han, J He, F-M Zhu
HLA-B*55:02:09 and HLA-B*55:80 differ from HLA-B*55:02:01 by 1 single nucleotide substitution, respectively.
March 23, 2017: HLA
https://www.readbyqxmd.com/read/28337381/hla-e-inhibitor-enhances-the-killing-of-neuroblastoma-stem-cells-by-co-cultured-dendritic-cells-and-cytokine-induced-killer-cells-loaded-with-membrane-based-microparticles
#15
Zijun Zhen, Kaibin Yang, Litong Ye, Zhiyao You, Rirong Chen, Ying Liu, Youjian He
Neuroblastoma stem cells (NSCs) can cause drug resistance and tumor recurrence. This study aimed to enhance the lytic effect of dendritic cells (DCs) co-cultured with cytokine-induced killer (CIK) cells. NSCs were obtained by suspension culture, and DC-CIK cells were loaded with extracted NSC membrane-based microparticles (MMPs) before evaluating the lytic effect of DC-CIK cells on NSCs. After inhibiting the function or expression of human leukocyte antigen-E (HLA-E) in NSCs by anti-HLA-E monoclonal antibody or siRNA, the DC-CIK cell lytic effect on NSCs was re-assessed...
2017: American Journal of Cancer Research
https://www.readbyqxmd.com/read/28337274/decitabine-treatment-sensitizes-tumor-cells-to-t-cell-mediated-cytotoxicity-in-patients-with-myelodysplastic-syndromes
#16
Zheng Zhang, Qi He, Ying Tao, Juan Guo, Feng Xu, Ling-Yun Wu, You-Shan Zhao, Dong Wu, Li-Yu Zhou, Ji-Ying Su, Lu-Xi Song, Chao Xiao, Xiao Li, Chun-Kang Chang
Decitabine treatment improves immunological recognition that increases expression of cancer-testis antigens (CTAs) against solid tumors. The mechanisms of decitabine enhancement of immunogenicity when used for patients with myelodysplastic syndromes (MDS) remain unclear. In the present study, we found relatively low baseline expression of MAGE-A1, MAGE-A3, and SP17 in MDS-derived cell lines. Decitabine treatment significantly improved MAGE-A1, MAGE-A3, and SP17 expression in these cell lines and in MDS patients...
2017: American Journal of Translational Research
https://www.readbyqxmd.com/read/28337224/gut-mesenchymal-stromal-cells-in-immunity
#17
REVIEW
Valeria Messina, Carla Buccione, Giulia Marotta, Giovanna Ziccheddu, Michele Signore, Gianfranco Mattia, Rossella Puglisi, Benedetto Sacchetti, Livia Biancone, Mauro Valtieri
Mesenchymal stromal cells (MSCs), first found in bone marrow (BM), are the structural architects of all organs, participating in most biological functions. MSCs possess tissue-specific signatures that allow their discrimination according to their origin and location. Among their multiple functions, MSCs closely interact with immune cells, orchestrating their activity to maintain overall homeostasis. The phenotype of tissue MSCs residing in the bowel overlaps with myofibroblasts, lining the bottom walls of intestinal crypts (pericryptal) or interspersed within intestinal submucosa (intercryptal)...
2017: Stem Cells International
https://www.readbyqxmd.com/read/28337195/nk-cells-uncertain-allies-against-malaria
#18
REVIEW
Asia-Sophia Wolf, Samuel Sherratt, Eleanor M Riley
Until recently, studies of natural killer (NK) cells in infection have focused almost entirely on their role in viral infections. However, there is an increasing awareness of the potential for NK cells to contribute to the control of a wider range of pathogens, including intracellular parasites such as Plasmodium spp. Given the high prevalence of parasitic diseases in the developing world and the devastating effects these pathogens have on large numbers of vulnerable people, investigating interactions between NK cells and parasitized host cells presents the opportunity to reveal novel immunological mechanisms with the potential to aid efforts to eradicate these diseases...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28336908/early-chimerism-after-liver-transplantation-reflects-the-clinical-course-of-recurrent-hepatitis-c
#19
Masashi Utsumi, Akinobu Takaki, Yuzo Umeda, Kazuko Koike, Stephanie C Napier, Nobukazu Watanabe, Susumu Shinoura, Ryuichi Yoshida, Daisuke Nobuoka, Tetsuya Yasunaka, Takahiro Oto, Motoo Araki, Kazuhide Yamamoto, Toshiyoshi Fujiwara, Takahito Yagi
BACKGROUND Human leukocyte antigen (HLA) mismatch is a characteristic feature of post-orthotopic liver transplantation (OLT) hepatitis C. To investigate the importance of donor HLA-restricted immune cells in post-OLT hepatitis C recurrence, we analyzed the frequency of donor chimerism and the clinical course of post-OLT hepatitis C. MATERIAL AND METHODS We analyzed peripheral blood chimerism in 11 HCV-reinfected patients with post-HLA mismatched OLT. Patients were divided into 2 groups: the OLT chronic hepatitis C (CHC) group (n=8), exhibiting active hepatitis C recurrence; and the OLT-persistently normal ALT (PNALT) group (n=3), without active hepatitis...
March 24, 2017: Annals of Transplantation: Quarterly of the Polish Transplantation Society
https://www.readbyqxmd.com/read/28336519/anticollagen-type-ii-antibodies-are-associated-with-an-acute-onset-rheumatoid-arthritis-phenotype-and-prognosticate-lower-degree-of-inflammation-during-5%C3%A2-years-follow-up
#20
Vivek Anand Manivel, Mohammed Mullazehi, Leonid Padyukov, Helga Westerlind, Lars Klareskog, Lars Alfredsson, Saedis Saevarsdottir, Johan Rönnelid
OBJECTIVE: Antifibrillar collagen type II (anti-CII) antibody-positive patients with rheumatoid arthritis (RA) have early but not late signs of increased inflammation and joint erosions. We wanted to replicate this in a large RA cohort, and to relate to human leukocyte antigen (HLA)-DRB1* alleles. METHODS: Anti-CII and anti-cyclic citrullinated peptide (CCP)2 were measured at baseline in 773 patients with RA from the Swedish Epidemiological Investigation in Rheumatoid Arthritis (EIRA) study with clinical follow-up data from the Swedish Rheumatology Quality Register (SRQ) registry, and 1476 with HLA-DRB1* information...
March 23, 2017: Annals of the Rheumatic Diseases
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