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Hirofumi Chiba, Yoichi Kakuta, Yoshitaka Kinouchi, Yosuke Kawai, Kazuhiro Watanabe, Munenori Nagao, Takeo Naito, Motoyuki Onodera, Rintaro Moroi, Masatake Kuroha, Yoshitake Kanazawa, Tomoya Kimura, Hisashi Shiga, Katsuya Endo, Kenichi Negoro, Masao Nagasaki, Michiaki Unno, Tooru Shimosegawa
BACKGROUND: Inflammatory bowel disease (IBD) has an unknown etiology; however, accumulating evidence suggests that IBD is a multifactorial disease influenced by a combination of genetic and environmental factors. The influence of genetic variants on DNA methylation in cis and cis effects on expression have been demonstrated. We hypothesized that IBD susceptibility single-nucleotide polymorphisms (SNPs) regulate susceptibility gene expressions in cis by regulating DNA methylation around SNPs...
2018: PloS One
Marco Guarene, Carla Badulli, Anna L Cremaschi, Ilaria Sbarsi, Rosalia Cacciatore, Carmine Tinelli, Annamaria Pasi, Paola Bergamaschi, Cesare G Perotti
INTRODUCTION: Allele-level donor-recipient match at HLA-A, HLA-B, HLA-C and HLA-DRB1 loci impacts the outcome after cord blood transplantation for hematologic malignancies and modifies the strategy of donor selection. High definition of both class I and II HLA loci at time of listing is a way to improve the attractiveness of cord blood bank inventories, reducing the time for donor search and procurement and simplifying donor choice, in particular, for patients of non-European heritage...
March 1, 2018: International Journal of Artificial Organs
Rob R H van den Brom, Kornelis S M van der Geest, Elisabeth Brouwer, Geke A P Hospers, Annemieke M H Boots
The biological behavior of melanoma is unfavorable in the elderly when compared to young subjects. We hypothesized that differences in T-cell responses might underlie the distinct behavior of melanoma in young and old melanoma patients. Therefore, we investigated the circulating T-cell compartment of 34 patients with metastatic melanoma and 42 controls, which were classified as either young or old. Absolute numbers of CD4+ T cells were decreased in young and old melanoma patients when compared to the age-matched control groups...
March 15, 2018: Cancer Immunology, Immunotherapy: CII
Rebecca C Richmond, Gemma C Sharp, Georgia Herbert, Charlotte Atkinson, Caroline Taylor, Sohinee Bhattacharya, Doris Campbell, Marion Hall, Nabila Kazmi, Tom Gaunt, Wendy McArdle, Susan Ring, George Davey Smith, Andy Ness, Caroline L Relton
Background: It has been proposed that maternal folic-acid supplement use may alter the DNA-methylation patterns of the offspring during the in-utero period, which could influence development and later-life health outcomes. Evidence from human studies suggests a role for prenatal folate levels in influencing DNA methylation in early life, but this has not been extended to consider persistent effects into adulthood. Methods: To better elucidate the long-term impact of maternal folic acid in pregnancy on DNA methylation in offspring, we carried out an epigenome-wide association study (EWAS) nested within the Aberdeen Folic Acid Supplementation Trial (AFAST-a trial of two different doses: 0...
March 12, 2018: International Journal of Epidemiology
Chonlaphat Sukasem, Chonlawat Chaichan, Thapanat Nakkrut, Patompong Satapornpong, Kanoot Jaruthamsophon, Thawinee Jantararoungtong, Napatrupron Koomdee, Suthida Sririttha, Sadeep Medhasi, Sarawut Oo-Puthinan, Ticha Rerkpattanapipat, Jettanong Klaewsongkram, Pawinee Rerknimitr, Papapit Tuchinda, Leena Chularojanamontri, Napatra Tovanabutra, Apichaya Puangpetch, Wichai Aekplakorn
The HLA-B ∗ 15:02 allele has been reported to have a strong association with carbamazepine-induced Stevens-Johnson syndrome/toxic epidermal necrolysis (SJS/TEN) in Thai patients. The HLA-B alleles associated with carbamazepine-induced maculopapular exanthema (MPE) and the drug reaction with eosinophilia and systemic symptoms (DRESS) among the Thai population have never been reported. The aim of the present study was to carry out an analysis of the involvement of HLA-B alleles in carbamazepine-induced cutaneous adverse drug reactions (cADRs) in the Thai population...
2018: Journal of Immunology Research
Xiang Song, Yan Zhang, Li Zhang, Wengang Song, Lixin Shi
Hypoxia-associated metabolic reprogramming modulates the biological functions of many immune and non-immune cells, and affects immune response types and intensities. Adenosine and indoleamine 2,3-dioxygenase (IDO) are known immunosuppressors, and adenosine is a hypoxia-associated product. We investigated the impact of hypoxia on IDO production in dendritic cells (DCs). We found that hypoxia (1% O2 ) enhances IDO production in DCs, and this increase was dependent on the adenosine A3 receptor (A3R), but not A2aR or A2bR...
February 20, 2018: Oncotarget
Jingang Zhang, Xinrui Li, Yuanyuan Su, Min Sun, Junbang Wang, Yunhua Hao
The association between cutaneous adverse drug reactions (cADRs) caused by antiepileptic drugs (AEDs) and human leukocyte antigen-A ( HLA-A ) and HLA-B genes in Chinese Han population in Shanghai was investigated. Through the case-control study, 30 child patients with AED-induced cADRs (cADRs group), 60 AED-tolerant child patients (AED-tolerant group) and 60 normal children not taking AEDs (normal group) were collected. The HLA-B*15:02 and HLA-A*31:01 genotypes were detected using the polymerase chain reaction-sequence-specific oligonucleotide (PCR-SSO) probe method, and the correlation of HLA-B*15:02 and HLA-A*31:01 genes with the incidence of cADRs was analyzed...
April 2018: Experimental and Therapeutic Medicine
Nicolle H R Litjens, Lotte van der Wagen, Jurgen Kuball, Jaap Kwekkeboom
Cytomegalovirus (CMV) infection can cause significant complications after transplantation, but recent emerging data suggest that CMV may paradoxically also exert beneficial effects in two specific allogeneic transplant settings. These potential benefits have been underappreciated and are therefore highlighted in this review. First, after allogeneic hematopoietic stem cell transplantation (HSCT) for acute myeloid leukemia (AML) using T-cell and natural killer (NK) cell-replete grafts, CMV reactivation is associated with protection from leukemic relapse...
2018: Frontiers in Immunology
Kimberly R Kalli, Matthew S Block, Pashtoon M Kasi, Courtney L Erskine, Timothy J Hobday, Allan Dietz, Douglas Padley, Michael P Gustafson, Barath Shreeder, Danell Puglisi-Knutson, Daniel W Visscher, Toni Kay Mangskau, Glynn Wilson, Keith L Knutson
PURPOSE: Folate receptor alpha (FR) is overexpressed in several cancers. Endogenous immunity to the FR has been demonstrated in patients and suggests the feasibility of targeting FR with vaccine or other immune therapies. CD4 helper T cells are central to the development of coordinated immunity and prior work shows their importance in protecting against relapse. Our previous identification of degenerate HLA-class II epitopes from human FR led to the development of a broad coverage epitope pool potentially useful in augmenting antigen-specific immune responses in most patients...
March 15, 2018: Clinical Cancer Research: An Official Journal of the American Association for Cancer Research
Else M Balke, Eric V Balti, Bart Van der Auwera, Ilse Weets, Olivier Costa, Simke Demeester, Pascale Abrams, Kristina Casteels, Marina Coeckelberghs, Sylvie Tenoutasse, Bart Keymeulen, Daniel G Pipeleers, Frans K Gorus
OBJECTIVE: We investigated the effect of HLA class I risk alleles on disease progression in various phases of subclinical islet autoimmunity in first-degree relatives of patients with type 1 diabetes. RESEARCH DESIGN AND METHODS: A registry-based group of siblings/offspring (aged 0-39 years) was monitored from single- to multiple-autoantibody positivity ( n = 267) and from multiple-autoantibody positivity to clinical onset ( n = 252) according to HLA-DQ , -A*24 , -B*18 and -B*39 status...
March 15, 2018: Diabetes Care
Miranda van Lunteren, Zineb Ez-Zaitouni, Anoek de Koning, Hanne Dagfinrud, Roberta Ramonda, Lennart Jacobsson, Robert Landewé, Désirée van der Heijde, Floris A van Gaalen
OBJECTIVE: In early axial spondyloarthritis (axSpA), data are lacking about the relationship between disease activity and health-related quality of life (HRQOL). We assessed and quantified the association between change in Ankylosing Spondylitis Disease Activity Score (ASDAS) and HRQOL over time in early axSpA. METHODS: Baseline and 1-year data of patients with axSpA fulfilling the Assessment of Spondyloarthritis international Society (ASAS) classification criteria from the SPondyloArthritis Caught Early (SPACE) cohort were analyzed...
March 15, 2018: Journal of Rheumatology
Andrea Leonardi, Elisabeth M Messmer, Marc Labetoulle, Mourad Amrane, Jean-Sébastien Garrigue, Dahlia Ismail, Maite Sainz-de-la-Maza, Francisco C Figueiredo, Christophe Baudouin
BACKGROUND/AIM: To assess the treatment effect of 0.1%ciclosporin A cationic emulsion (CsA CE) versus vehicle on signs/symptoms of dry eye disease (DED) in various subgroups (moderate-to-severe DED/severe DED/Sjögren's syndrome (SS)/SS with severe DED). METHODS: Pooled data were analysed from two similar phase III studies: SICCANOVE (moderate-to-severe DED) and SANSIKA (severe DED with severe keratitis). In both studies, patients aged ≥18 years received CsA CE 0...
March 15, 2018: British Journal of Ophthalmology
Natalia Anahí Juiz, Irma Torrejón, Marianela Burgos, Ana María Fernanda Torres, Tomás Duffy, Nelly Melina Cayo, Anahí Tabasco, Miriam Salvo, Silvia Andrea Longhi, Alejandro Gabriel Schijman
Infection with Trypanosoma cruzi in women at reproductive age is associated with congenital transmission and adverse pregnancy outcome. The placenta is a key barrier to infection. We characterized gene expression profiles of term placental environment from T. cruzi seropositive (SP) and seronegative (SN) mothers performing RNA-seq. Nine pools of placental RNA paired samples were used: three from SN and six from SP tissues. Each pool consisted of female/male newborns and vaginal/caesarean deliveries binomials...
March 12, 2018: American Journal of Pathology
Karolina Louvanto, Michel Roger, Marie-Claude Faucher, Kari Syrjänen, Seija Grenman, Stina Syrjänen
Role of host factors in transmission of human papillomavirus (HPV)-infection from mother to her offspring is not known. Our aim was to study whether human leukocyte antigen (HLA)-G allele concordance among the mother-child pairs could facilitate vertical transmission of HPV, because HLA-G may contribute to immune tolerance in pregnancy. Altogether, 310 mother-child pairs were included from the Finnish Family HPV study. Overall, nine different HLA-G alleles were identified. The HLA-G genotype concordance of G∗01:01:01/01:04:01 increased the risk of high risk (HR)-HPV genotype positivity in cord blood and infant's oral mucosa...
March 12, 2018: Human Immunology
Annalisa Ruggeri, Myriam Labopin, Andrea Bacigalupo, Boris Afanasyev, Jan J Cornelissen, Ahmet Elmaagacli, Maija Itälä-Remes, Didier Blaise, Ellen Meijer, Yener Koc, Noel Milpied, Harry C Schouten, Nicolaus Kroeger, Mohamad Mohty, Arnon Nagler
BACKGROUND: Experience using post-transplant cyclophosphamide (PT-Cy) as graft-versus-host disease (GVHD) prophylaxis in allogeneic stem cell transplantation (HSCT) from matched sibling donors (MSD) or unrelated donors (UD) is limited and with controversial results. The study aim was to evaluate PT-Cy as GVHD prophylaxis post-HSCT from MSD and UD transplants. We analyzed 423 patients with acute leukemia who received PT-Cy alone or in combination with other immunosuppressive (IS) drugs as GVHD prophylaxis...
March 15, 2018: Journal of Hematology & Oncology
K Soelberg, A C Nilsson, C Nielsen, S Jarius, M Reindl, B Wildemann, S T Lillevang, N Asgari
BACKGROUND: Optic neuritis (ON) is an inflammatory optic neuropathy, where the genetic and autoimmune dependency remains poorly characterized. OBJECTIVE: To investigate autoimmune and immunogenetic aspects of ON. METHOD: In a prospective population-based cohort 51 patients with ON were included. At follow up 20 patients had progressed to multiple sclerosis (MS-ON). All patients were screened for neuronal and systemic autoantibodies. HLA genotypes and allele and genotype frequencies of the PTPN22 C1858T and the PD-1...
March 7, 2018: Multiple Sclerosis and related Disorders
H-H Brackmann, G C White, E Berntorp, T Andersen, C Escuriola-Ettingshausen
Development of inhibitory antibodies to infused factor VIII (FVIII) concentrates continues to be the most serious complication of haemophilia A management. Induction of immune tolerance by administering high doses of FVIII concentrate (antigen) and prothrombin complex concentrates to control bleeding was originated in the 1970s in Bonn, Germany, by Dr Hans-Hermann Brackmann, and became known as the Bonn protocol. ITI transformed the life of the index patient, who was 19 years of age when he began treatment, and dramatically improved the medical landscape for all patients with haemophilia and inhibitors...
April 2018: Haemophilia: the Official Journal of the World Federation of Hemophilia
Amanda Przespolewski, Andras Szeles, Eunice S Wang
Evasion of the host immune system is a key mechanism to promote malignant progression. Therapeutically targeting immune pathways has radically changed the treatment paradigm for solid and lymphoid tumors but has yet to be approved for myeloid malignancies. Here, we summarize the most recent advances in immunotherapy for acute myeloid leukemia. Topics reviewed here include adoptive cellular approaches (chimeric antigen receptor-T cells, natural killer and other immune cells), checkpoint inhibitors (anti-PD-1/PD-L1, anti-CTLA-4 and TIM-3) and vaccines (WT-1, HLA-A2 and hTERT)...
March 15, 2018: Future Oncology
Kazuaki Tokodai, Shigehito Miyagi, Chikashi Nakanishi, Yasuyuki Hara, Wataru Nakanishi, Koji Miyazawa, Kenji Shimizu, Keigo Murakami, Hironobu Sasano, Masafumi Goto, Michiaki Unno, Takashi Kamei
The aim of this study was to evaluate the significance of post-transplant DSA as a predictor of liver fibrosis during long-term follow-up after pediatric LT. We evaluated the histological findings in 18 LT recipients who underwent liver biopsy after DSA screening. Liver fibrosis was scored based on the METAVIR fibrosis staging. Patients were divided into 2 groups based on histological findings, and clinical characteristics among patients with liver fibrosis were assessed. Of 18 patients, 7 were included in the fibrosis group...
March 14, 2018: Pediatric Transplantation
Richard H Singer, Mark Stoutenberg, Daniel J Feaster, Jianwen Cai, WayWay M Hlaing, Lisa R Metsch, Christian R Salazar, Shirley M Beaver, Tracy L Finlayson, Gregory Talavera, Marc D Gellman, Neil Schneiderman
BACKGROUND: Current evidence suggests that periodontal disease (PD) is associated with a significant increased risk of atherosclerotic cardiovascular disease (CVD) independent of known confounders. PD is a chronic oral disease with significant variation in prevalence demonstrated among Hispanic/Latino subgroups. The purpose of this study was to investigate the associations between PD and CVD risk and variations with sex, age, and Hispanic/Latino background. METHODS: The sample included 7,379 participants aged 30-74 years, from the Hispanic Community Health Study/Study of Latinos (2008 to 2011)...
March 14, 2018: Journal of Periodontology
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