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Prognostic immune markers in esophageal cancer patients managed with trimodal therapy.
Cancer Immunol Immunother
January 2025
Departments of Radiation Medicine, Roswell Park Comprehensive Cancer Center, Elm and Carlton Streets, Buffalo, NY, 14263, USA.
Background: Esophageal cancer (ESC) is an aggressive disease which often presents at an advanced stage. Despite trimodal therapy, 40-50% patients can develop metastatic disease by 18 months. Identification of patients at risk for metastatic spread is challenging with need for improved prognostication.
View Article and Find Full Text PDFAntigen-antibody complex density and antibody-induced HLA protein unfolding influence Fc-mediated antibody effector function.
Front Immunol
January 2025
Department of Microbiology and Immunology, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, Singapore.
Donor-specific antibodies (DSAs) targeting mismatched human leukocyte antigen (HLA) molecules are one of the principal threats to long-term graft survival in solid organ transplantation. However, many patients with long-term circulating DSAs do not manifest rejection responses, suggesting a degree of heterogeneity in their pathogenicity and related functional activity. Immunologic risk stratification of transplant recipients is complicated by challenges intrinsic to defining alloantibody responses that are potentially pathogenic versus those that are not.
View Article and Find Full Text PDFAssessing the Predictive Power of PIRCHE-II Scores for the Development of Donor-Specific Antibodies After Simultaneous Pancreas-Kidney Transplantation.
Transpl Int
January 2025
Department of Nephrology, University Hospital Zurich, Zurich, Switzerland.
Article Synopsis
- The study investigates the development of donor-specific antibodies (dnDSA) in simultaneous pancreas/kidney transplant recipients (SPKTRs) compared to kidney transplant recipients (KTRs), finding a higher incidence of dnDSA in SPKTRs at one year post-transplant.
- Independent risk factors for dnDSA development identified include preformed DSA and younger donor age, with high PIRCHE-II scores for HLA-DQ correlating significantly with dnDSA.
- However, the research highlights that total PIRCHE-II scores may not reliably predict dnDSA risk, suggesting caution in using this measure for post-transplant assessment.
[Establishment and Application of Efficient Gene Editing Method for Classical HLA-I Molecules].
Zhongguo Shi Yan Xue Ye Xue Za Zhi
December 2024
Institute of Transfusion Medicine, Blood Center of Zhejiang Province, Hangzhou 310052, Zhejiang Province, China.
Objective: To establish an efficient gene editing method of HLA-I gene to prepare HLA-I universal hematopoietic stem cells.
Methods: The easyedit small guide RNA(sgRNA) was designed according to the sequences of β2 microglobulin gene and synthesized by GenScript company. RNP complexes were formed by NLS-Cas9-NLS nuclease and Easyedit sgRNA according to different molar ratios (1∶1~1∶4).
In silico identification and ex vivo evaluation of Toxoplasma gondii peptides restricted to HLA-A*02, HLA-A*24 and HLA-B*35 alleles in human PBMC from a Colombian population.
Med Microbiol Immunol
December 2024
Grupo de Estudio en Parasitología Molecular (GEPAMOL), Faculty of Health Sciences, Centro de Investigaciones Biomédicas, Universidad del Quindío, Quindio, Armenia, Colombia.
Toxoplasma gondii infects approximately 30% of the population, and there is currently no approved vaccine. Identifying immunogenic peptides with high affinity to different HLA molecules is a promising vaccine strategy. This study used an in silico approach using artificial neural networks to identify T.
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