keyword
https://read.qxmd.com/read/38657278/younger-unrelated-donors-may-be-preferable-over-hla-match-in-the-ptcy-era-a-study-from-the-alwp-of-the-ebmt
#1
JOURNAL ARTICLE
Jaime Sanz, Myriam Labopin, Goda Choi, Alexander Kulagin, Jacopo Peccatori, Jan Vydra, Peter Pal Remenyi, Jurjen Versluis, Montserrat Rovira, Didier Blaise, Helene Labussiere-Wallet, Juan Montoro, Simona Sica, Ellen Meijer, Maija Itälä-Remes, Nicolaas Schaap, Claude-Eric Bulabois, Simona Piemontese, Mohamad Mohty, Fabio Ciceri
There is a paucity of information on how to select the most appropriate unrelated donor (UD) in hematopoietic stem cell transplant (HSCT) using post-transplant cyclophosphamide (PTCy). We retrospectively analyzed the characteristics of 10/10 matched unrelated donors (MUD) and 9/10 mismatched unrelated donors (MMUD) that may affect transplant outcomes in patients with acute myeloid leukemia (AML) in first or second complete remission (CR1 or CR2). The primary endpoint was leukemia-free survival (LFS). Overall, 1011 patients were included with a median age of 54 years (range, 18-77)...
March 29, 2024: Blood
https://read.qxmd.com/read/38657198/comparative-study-of-paraneoplastic-and-nonparaneoplastic-autoimmune-encephalitis-with-gaba-b-r-antibodies
#2
COMPARATIVE STUDY
Florian Lamblin, Jeroen Kerstens, Sergio Muñiz-Castrillo, Alberto Vogrig, David Goncalves, Veronique Rogemond, Geraldine Picard, Marine Villard, Anne-Laurie Pinto, Marleen H Van Coevorden-Hameete, Marienke A De Bruijn, Juna M De Vries, Marco Schreurs, Louise Tyvaert, Lucie Hopes, Jerome Aupy, Cecile Marchal, Dimitri Psimaras, Laurent Kremer, Veronique Bourg, Jean-Christophe G Antoine, Adrien Wang, Philippe Kahane, Sophie Demeret, Guido Ahle, Vicente Peris Sempere, Noemie Timestit, Mikail Nourredine, Aurelien Maureille, Marie Benaiteau, Bastien Joubert, Emmanuel Mignot, Maarten J Titulaer, Jerome Honnorat
BACKGROUND AND OBJECTIVES: While patients with paraneoplastic autoimmune encephalitis (AE) with gamma-aminobutyric-acid B receptor antibodies (GABAB R-AE) have poor functional outcomes and high mortality, the prognosis of nonparaneoplastic cases has not been well studied. METHODS: Patients with GABAB R-AE from the French and the Dutch Paraneoplastic Neurologic Syndromes Reference Centers databases were retrospectively included and their data collected; the neurologic outcomes of paraneoplastic and nonparaneoplastic cases were compared...
May 2024: Neurology® Neuroimmunology & Neuroinflammation
https://read.qxmd.com/read/38657099/comprehensive-genetic-profiling-reveals-frequent-alterations-of-driver-genes-on-the-x-chromosome-in-extranodal-nk-t-cell-lymphoma
#3
JOURNAL ARTICLE
Yuta Ito, Amira Marouf, Yasunori Kogure, Junji Koya, Raphaël Liévin, Julie Bruneau, Mariko Tabata, Yuki Saito, Sumito Shingaki, Mitsuhiro Yuasa, Kentaro Yamaguchi, Koichi Murakami, Robert Weil, Manon Vavasseur, Guillaume P Andrieu, Mehdi Latiri, Layla Veleanu, Michaël Dussiot, Isabelle André, Akshay Joshi, Chantal Lagresle-Peyrou, Aude Magerus, Sammara Chaubard, David Lavergne, Emmanuel Bachy, Erika Brunet, Virginie Fataccioli, Chantal Brouzes, Camille Laurent, Laurence De Leval, Alexandra Traverse-Glehen, Céline Bossard, Marie-Cécile Parrens, Véronique Meignin, Laure Philippe, Julien Rossignol, Felipe Suarez, Jean-Marie Michot, Olivier Tournilhac, Gandhi Damaj, François Lemonnier, Christine Bôle-Feysot, Patrick Nitschké, Bruno Tesson, Cécile Laurent, Thierry Molina, Vahid Asnafi, Yosaku Watatani, Kenichi Chiba, Ai Okada, Yuichi Shiraishi, Sachiko Tsukita, Koji Izutsu, Hiroaki Miyoshi, Koichi Ohshima, Seiji Sakata, Akito Dobashi, Kengo Takeuchi, Masashi Sanada, Philippe Gaulard, Arnaud Jaccard, Seishi Ogawa, Olivier Hermine, Keisuke Kataoka, Lucile Couronné
Extranodal NK/T-cell lymphoma (ENKTCL) is an Epstein-Barr virus (EBV)-related neoplasm with male dominance and a poor prognosis. A better understanding of the genetic alterations and their functional roles in ENKTCL could help improve patient stratification and treatments. Here, we performed comprehensive genetic analysis of 177 ENKTCL cases to delineate the landscape of mutations, copy number alterations (CNAs), and structural variations, identifying 34 driver genes including six previously unappreciated ones, namely HLA-B, HLA-C, ROBO1, CD58, POT1, and MAP2K1...
April 24, 2024: Cancer Research
https://read.qxmd.com/read/38656573/lilrb2-promotes-immune-escape-in-breast-cancer-cells-via-enhanced-hla-a-degradation
#4
JOURNAL ARTICLE
Zhiyuan Jiang, Qianru Huang, Yujie Chang, Yiran Qiu, Hao Cheng, Mengdi Yang, Shunyi Ruan, Suyuan Ji, Jing Sun, Zhiyu Wang, Shengyuan Xu, Rui Liang, Xueyu Dai, Kejin Wu, Bin Li, Dan Li, Hui Zhao
PURPOSE: Increased expression of leukocyte immunoglobulin-like receptor subfamily B member 2 (LILRB2) is associated with immune evasion in breast cancer (BC). The aim of this study to elucidate the role of LILRB2 in BC progression. METHODS: LILRB2 expression in tumor tissues was detected by immunohistochemical staining. Human leukocyte antigen A (HLA-A) expression in BC cells was detected by Western blotting, and HLA-A ubiquitination was detected by immunoprecipitation and histidine pulldown assay...
April 24, 2024: Cellular Oncology (Dordrecht)
https://read.qxmd.com/read/38655616/construction-and-efficacy-testing-of-dna-vaccines-containing-hla-a-02-01-restricted-sars-cov-2-t-cell-epitopes-predicted-by-immunoinformatics
#5
JOURNAL ARTICLE
Dan Tan, Ning Kang, Yuanfei Zhu, Jia Hou, Hanqing Wang, Huijun Xu, Cheng Zu, Zixiang Gao, Mu Liu, Nannan Liu, Qiang Deng, Hongzhou Lu, Jing Liu, Youhua Xie
Vaccines play essential roles in the fight against the COVID-19 pandemic. The development and assessment of COVID-19 vaccines have generally focused on the induction and boosting of neutralizing antibodies targeting the SARS-CoV-2 spike (S) protein. Due to rapid and continuous variation in the S protein, such vaccines need to be regularly updated to match newly emerged dominant variants. T-cell vaccines that target MHC I- or II-restricted epitopes in both structural and non-structural viral proteins have the potential to induce broadly cross-protective and long-lasting responses...
April 24, 2024: Acta Biochimica et Biophysica Sinica
https://read.qxmd.com/read/38655262/causal-relationship-between-the-immune-cells-and-ankylosing-spondylitis-univariable-bidirectional-and-multivariable-mendelian-randomization
#6
JOURNAL ARTICLE
Chaofan Qin, Qingshuai Yu, Zhongliang Deng, You Zhang, Mingxin Chen, Xin Wang, Tao Hu, Bo Lei, Zhengjian Yan, Si Cheng
BACKGROUND: Ankylosing spondylitis (AS) is an autoimmune disease that affects millions of individuals. Immune cells have been recognized as having a crucial role in the pathogenesis of AS. However, their relationship has not been fully explored. METHODS: We chose to employ Mendelian randomization (MR) to investigate the potential correlation between immune cells and AS. We sourced the data on immune cells from the latest genome-wide association studies (GWASs). We obtained data on AS from the FinnGen consortium...
2024: Frontiers in Immunology
https://read.qxmd.com/read/38654296/influence-of-pharmacogenomic-polymorphisms-on-allopurinol-induced-cutaneous-adverse-drug-reactions-in-thai-patients
#7
JOURNAL ARTICLE
Gaidganok Sornsamdang, Patompong Satapornpong, Pimonpan Jinda, Thawinee Jantararoungtong, Napatrupron Koomdee, Therdpong Tempark, Jettanong Klaewsongkram, Ticha Rerkpattanapipat, Pawinee Rerknimitr, Papapit Tuchinda, Leena Chularojanamontri, Napatra Tovanabutra, Kumutnart Chanprapaph, Wareeporn Disphanurat, Panlop Chakkavittumrong, Chutika Srisuttiyakorn, Yuttana Srinoulprasert, Shobana John, Mohitosh Biswas, Chonlaphat Sukasem
BACKGROUND: Allopurinol has been causing substantial morbidity and mortality particularly in Asian population by producing cutaneous adverse drug reactions (cADRs). Nonetheless, there are no data describing whether other genetics are a valid marker for prediction of allopurinol-induced cADRs patients in addition to HLA-B*58:01 allele. The goal of this study was to identify suitable single nucleotide polymorphisms (SNPs) for allopurinol induced cADRs among Thai patients. METHODS: We conducted a case-control association study after enrolling 57 Thai patients with allopurinol induced cADRs and 101 allopurinol-tolerant controls...
April 23, 2024: BMC Medical Genomics
https://read.qxmd.com/read/38653773/inflammatory-pathways-confer-resistance-to-chemoradiotherapy-in-anal-squamous-cell-carcinoma
#8
JOURNAL ARTICLE
D Martin, F Rödel, S Hehlgans, M Looso, P K Ziegler, M Fleischmann, M Diefenhardt, L Fries, G Kalinauskaite, I Tinhofer, D Zips, C Gani, C Rödel, E Fokas
Anal squamous cell carcinoma (ASCC) is associated with immunosuppression and infection with human papillomavirus (HPV). Response to standard chemoradiotherapy (CRT) varies considerably. A comprehensive molecular characterization of CRT resistance is lacking, and little is known about the interplay between tumor immune contexture, host immunity, and immunosuppressive and/or immune activating effects of CRT. Patients with localized ASCC, treated with CRT at three different sites of the German Cancer Consortium (DKTK) were included...
April 23, 2024: NPJ Precision Oncology
https://read.qxmd.com/read/38653667/hla-drb1-and-hla-dqb1-genes-in-patients-diagnosed-with-systemic-lupus-erythematosus-in-guatemala
#9
REVIEW
Juan C Barrios-Menéndez, César Camilo Carías-Alvarado, Lilian Isabel Cayax, Francisco López-Hun, Adolfo Santizo, Maynor A Herrera, Diana Iraíz Hernández-Zaragoza, Karla Escobar-Castro
Systemic lupus erythematosus (SLE) is an autoimmune disorder that impacts connective tissue and can affect various organs and systems within the body. One important aspect of this disease is the role of the human leukocyte antigen (HLA) system, a protein complex that plays a role in the immune response. Specifically, the HLA-DRB1 and HLA-DQB1 genes have been implicated in the development of SLE. In order to better understand this relationship in the Guatemalan population, a study was conducted with the objective of characterizing the allelic and haplotype profiles of the HLA-DQB1 and HLA-DRB1 loci in 50 patients diagnosed with SLE who were receiving treatment at a hospital in Guatemala...
April 22, 2024: Human Immunology
https://read.qxmd.com/read/38652959/expression-of-hla-dr-and-klrg1-enhances-the-cytotoxic-potential-and-cytokine-secretion-capacity-of-cd3-t-cells-in-tuberculosis-patients
#10
JOURNAL ARTICLE
Yiqi Yang, Hanlu Shi, Yu Zhou, Yonglie Zhou
BACKGROUND: Human T cells play an important role in immunity against tuberculosis (TB) infection. Activating receptor HLA-DR and inhibitory receptor KLRG1 are critical regulators of T cell function during viral infection and tumorigenesis, but they have been less studied in TB infection. METHODS: In this study, we explored the relationship between CD3+ T cell expression of HLA-DR and KLRG1 receptors and function against TB infection. Flow cytometry was conducted to assess the immunomodulatory effects of HLA-DR and KLRG1 receptors on CD3+ T cells in patients with different TB infection status...
April 22, 2024: International Immunopharmacology
https://read.qxmd.com/read/38652703/comprehensive-analysis-of-immune-signatures-in-primary-biliary-cholangitis-and-autoimmune-hepatitis
#11
JOURNAL ARTICLE
Xiaoxue Yang, Jiawei Li, Meiling Ren, Xuemei Pan, Huiling Liu, Jie Jiang, Man Li, Zhe Yang, Bingyu Han, Lina Ma, Jianlei Hao, Yuanyuan Duan, Zhinan Yin, Yan Xu, Zheng Xiang, Bin Wu
Primary Biliary Cholangitis (PBC) and Autoimmune Hepatitis (AIH) are autoimmune diseases that target hepatocytes and bile duct cells, respectively. Despite their shared autoimmune nature, the differences in immunologic characteristics between them remain largely unexplored. This study seeks to elucidate the unique immunological profiles of PBC and AIH, and to identify key differences. We comprehensively analyzed various T-cell subsets and their receptor expression in a cohort of 45 patients, including 27 PBC and 18 AIH cases...
April 23, 2024: Journal of Leukocyte Biology
https://read.qxmd.com/read/38652504/recommendations-for-pharmacogenetic-testing-in-clinical-practice-guidelines-in-the-us
#12
JOURNAL ARTICLE
Daniel L Hertz, Chad A Bousman, Howard L McLeod, Andrew A Monte, Deepak Voora, Lori A Orlando, Rustin D Crutchley, Benjamin Brown, Wrenda Teeple, Sara Rogers, Jai N Patel
DISCLAIMER: In an effort to expedite the publication of articles, AJHP is posting manuscripts online as soon as possible after acceptance. Accepted manuscripts have been peer-reviewed and copyedited, but are posted online before technical formatting and author proofing. These manuscripts are not the final version of record and will be replaced with the final article (formatted per AJHP style and proofed by the authors) at a later time. PURPOSE: Pharmacogenetic testing can identify patients who may benefit from personalized drug treatment...
April 23, 2024: American Journal of Health-system Pharmacy: AJHP
https://read.qxmd.com/read/38652363/deciphering-the-similarities-and-disparities-of-molecular-mechanisms-behind-respiratory-epithelium-response-to-hcov-229e-and-sars-cov-2-and-drug-repurposing-a-systems-biology-approach
#13
JOURNAL ARTICLE
Zeinab Dehghan, Seyed Amir Mirmotalebisohi, Maryam Mozafar, Marzieh Sameni, Fatemeh Saberi, Amin Derakhshanfar, Javad Moaedi, Hassan Zohrevand, Hakimeh Zali
PURPOSE: Identifying the molecular mechanisms behind SARS-CoV-2 disparities and similarities will help find new treatments. The present study determines networks' shared and non-shared (specific) crucial elements in response to HCoV-229E and SARS-CoV-2 viruses to recommend candidate medications. METHODS: We retrieved the omics data on respiratory cells infected with HCoV-229E and SARS-CoV-2, constructed PPIN and GRN, and detected clusters and motifs. Using a drug-gene interaction network, we determined the similarities and disparities of mechanisms behind their host response and drug-repurposed...
April 23, 2024: Daru: Journal of Faculty of Pharmacy, Tehran University of Medical Sciences
https://read.qxmd.com/read/38651852/vitiligo-as-a-first-sign-of-vogt-koyanagi-harada-disease
#14
JOURNAL ARTICLE
Marija Vukojević, Nenad Vukojevic, Ante Vuković, Borna Rupčić, Mislav Blažević, Ante Blažević
Vogt-Koyanagi-Harada (VKH) disease is a multisystem disorder characterized by bilateral granulomatous panuveitis resulting in serous retinal detachments, disk edema, and a sunset glow fundus development. Furthermore, it is associated with various extraocular findings, such as tinnitus, hearing loss, vertigo, poliosis, and vitiligo (1). VKH is considered to be an autoimmune disease mediated by T-cells targeting melanocyte antigen tyrosinase peptide (2). Moreover, VKH more often occurs in individuals with a genetic predisposition to the disease, including those of Asian and Hispanic heritage (3)...
December 2023: Acta Dermatovenerologica Croatica: ADC
https://read.qxmd.com/read/38651817/spliced-fkbp51s-predicts-unfavorable-prognosis-of-glioblastoma-patients
#15
JOURNAL ARTICLE
Carolina Giordano, Laura Marrone, Simona Romano, Giuseppe Maria Della Pepa, Carlo Maria Donzelli, Martina Tufano, Mario Capasso, Vito Alessandro Lasorsa, Cristina Quintavalle, Giulia Guerri, Matia Martucci, Annamaria Auricchio, Marco Gessi, Evis Sala, Alessandro Olivi, Maria Fiammetta Romano, Simona Gaudino
The primary treatment for glioblastoma (GBM) is removing the tumor mass as defined by magnetic resonance imaging (MRI). However, MRI has limited diagnostic and predictive value. Tumor-associated macrophages (TAMs) are abundant in GBM microenvironment (TME) and are found in peripheral blood (PB). FKBP51 expression, with its canonical and spliced isoforms, is constitutive in immune cells and aberrant in GBM. Spliced FKBP51s supports M2-polarization. To find an immunological signature that combined with MRI could advance in diagnosis, we immunophenotyped the macrophages of TME and PB from 37 GBM patients using FKBP51s and classical M1-M2 markers...
April 23, 2024: Cancer Res Commun
https://read.qxmd.com/read/38650946/innovations-in-bio-engineering-and-cell-based-approaches-to-address-immunological-challenges-in-islet-transplantation
#16
REVIEW
Beatrice Xuan Ho, Adrian Kee Keong Teo, Natasha Hui Jin Ng
Human allogeneic pancreatic islet transplantation is a life-changing treatment for patients with severe Type 1 Diabetes (T1D) who suffer from hypoglycemia unawareness and high risk of severe hypoglycemia. However, intensive immunosuppression is required to prevent immune rejection of the graft, that may in turn lead to undesirable side effects such as toxicity to the islet cells, kidney toxicity, occurrence of opportunistic infections, and malignancies. The shortage of cadaveric human islet donors further limits islet transplantation as a treatment option for widespread adoption...
2024: Frontiers in Immunology
https://read.qxmd.com/read/38650930/abatacept-increases-t-cell-exhaustion-in-early-ra-individuals-who-carry-hla-risk-alleles
#17
JOURNAL ARTICLE
Sarah Alice Long, Virginia S Muir, Britta E Jones, Valerie Z Wall, Alyssa Ylescupidez, Anne M Hocking, Stephan Pribitzer, Jerill Thorpe, Bryce Fuchs, Alice E Wiedeman, Megan Tatum, Katharina Lambert, Hannes Uchtenhagen, Cate Speake, Bernard Ng, Alexander T Heubeck, Troy R Torgerson, Adam K Savage, Michael A Maldonado, Neelanjana Ray, Vadim Khaychuk, Jinqi Liu, Peter S Linsley, Jane H Buckner
Exhausted CD8 T cells (TEX ) are associated with worse outcome in cancer yet better outcome in autoimmunity. Building on our past findings of increased TIGIT+ KLRG1+ TEX with teplizumab therapy in type 1 diabetes (T1D), in the absence of treatment we found that the frequency of TIGIT+ KLRG1+ TEX is stable within an individual but differs across individuals in both T1D and healthy control (HC) cohorts. This TIGIT+ KLRG1+ CD8 TEX population shares an exhaustion-associated EOMES gene signature in HC, T1D, rheumatoid arthritis (RA), and cancer subjects, expresses multiple inhibitory receptors, and is hyporesponsive in vitro , together suggesting co-expression of TIGIT and KLRG1 may broadly define human peripheral exhausted cells...
2024: Frontiers in Immunology
https://read.qxmd.com/read/38650588/a-novel-framework-for-human-leukocyte-antigen-hla-genotyping-using-probe-capture-based-targeted-next-generation-sequencing-and-computational-analysis
#18
JOURNAL ARTICLE
Sheng-Kai Lai, Allen Chilun Luo, I-Hsuan Chiu, Hui-Wen Chuang, Ting-Hsuan Chou, Tsung-Kai Hung, Jacob Shujui Hsu, Chien-Yu Chen, Wei-Shiung Yang, Ya-Chien Yang, Pei-Lung Chen
Human leukocyte antigen (HLA) genes play pivotal roles in numerous immunological applications. Given the immense number of polymorphisms, achieving accurate high-throughput HLA typing remains challenging. This study aimed to harness the human pan-genome reference consortium (HPRC) resources as a potential benchmark for HLA reference materials. We meticulously annotated specific four field-resolution alleles for 11 HLA genes (HLA -A , -B , -C , -DPA1 , -DPB1 , -DQA1 , -DQB1 , -DRB1 , -DRB3 , -DRB4 and -DRB5 ) from 44 high-quality HPRC personal genome assemblies...
December 2024: Computational and Structural Biotechnology Journal
https://read.qxmd.com/read/38650537/clinical-conundrums-in-pediatric-kidney-transplantation-what-we-know-about-the-role-of-angiotensin-ii-type-i-receptor-antibodies-in-pediatric-kidney-transplantation-and-the-path-forward
#19
REVIEW
Meghan H Pearl
Antibodies to angiotensin II type 1 receptor (AT1R-Abs) are among the most well-studied non-HLA antibodies in renal transplantation. These antibodies have been shown to be common in pediatric kidney transplantation and associated with antibody-mediated rejection (AMR), vascular inflammation, development of human leukocyte donor-specific antibodies (HLA DSA), and allograft loss. As AT1R-Ab testing becomes more readily accessible, evidence to guide clinical practice for testing and treating AT1R-Ab positivity in pediatric kidney transplant recipients remains limited...
May 2024: Pediatric Transplantation
https://read.qxmd.com/read/38650378/how-do-we-leverage-data-through-replication-and-warehousing-to-meet-blood-collection-and-transfusion-service-needs
#20
Justin E Juskewitch, Lynne Briggs, Jenna Khan, Patrick C Mathias, Terri S Coyle, Vicki L Courson, James T Hansen, Nageswar Madde, Mandy F O'Leary, Hamilton C Tsang
BACKGROUND: With the widespread adoption of Blood Establishment Computer Systems and other Blood Collection and Transfusion Service (BCTS) clinical information systems (CIS), electronic blood donor, product, and patient data are now routinely required for clinical, regulatory, operational, and quality needs. That data are often not readily accessible for such secondary use within CIS databases, particularly for applications with significant data availability requirements such as machine learning and artificial intelligence...
April 22, 2024: Transfusion
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