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| http://dx.doi.org/10.3389/fimmu.2020.614856 | DOI Listing |
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Antigen-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 PDFBreast cancer (BC), a globally prevalent malignancy, shows significant variability in incidence across different geographical regions. In this study, we examined the expression of the tumor suppressor gene BRCA1 and the tumor marker CA15-3 in women diagnosed with BC, focusing on different cancer grades. Our research, conducted at the Baqiyat Elah Hospital in Tehran in 2021, involved collecting blood and serum samples from BC patients.
View Article and Find Full Text PDFTranscriptomics as a predictor of biopharmaceutically favourable glycan profiles.
Front Cell Dev Biol
December 2024
Departments of Biology, University of York, York, United Kingdom.
Article Synopsis
- Glycosylation significantly influences the pharmacological properties of biologics, leading to variability in their glycan structures and posing challenges for consistent therapeutic development.
- The study uses omics technologies, specifically RNA-sequencing, to predict optimal cell lines for producing specific glycosylation profiles in monoclonal antibodies (mAbs), identifying Alg5 and UDP-Gal transporter levels as key predictive markers.
- While transcriptomic data is useful in forecasting glycosylation trends, it fails to capture important factors like enzyme localization and cellular dynamics that are crucial for the actual outcomes of glycosylation.
Here we report results of a phase 1 multi-institutional, open-label, dose-escalation trial (NCT02744287) of BPX-601, an investigational autologous PSCA-directed GoCAR-T® cell product containing an inducible MyD88/CD40 ON-switch responsive to the activating dimerizer rimiducid, in patients with metastatic pancreatic (mPDAC) or castration-resistant prostate cancer (mCRPC). Primary objectives were to evaluate safety and tolerability and determine the recommended phase 2 dose/schedule (RP2D). Secondary objectives included the assessment of efficacy and characterization of the pharmacokinetics of rimiducid.
View Article and Find Full Text PDFImpact of inhibitory KIR ligand mismatch and other variables on outcomes following myeloablative posttransplant cyclophosphamide-based T-cell-replete haploidentical bone marrow transplantation.
Front Immunol
December 2024
German Cancer Consortium (DKTK), Partner site Frankfurt/Mainz, a partnership between DKFZ and University Medical Center Frankfurt, Frankfurt, Germany.
Introduction: Posttransplant cyclophosphamide (PTCy) has revolutionized the landscape of human leukocyte antigen (HLA)-haploidentical hematopoietic cell transplantation (haplo-HCT), providing a pivotal therapeutic option for patients with hematological malignancies who lack an HLA-matched donor.
Methods: In this retrospective analysis involving 54 adult patients undergoing PTCy-based haplo-HCT, we evaluated the impact of inhibitory killer immunoglobulin-like receptor (KIR)/HLA mismatch, alongside patient, donor, and transplant factors, on clinical outcomes within a homogeneous cohort characterized by a myeloablative conditioning regimen and bone marrow graft.
Results: With a median follow-up of 73.
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