Hematopoietic stem cell transplantation (HSCT) from an allogeneic donor is an effective form of cancer immunotherapy, especially for acute leukemias. HSCT is however frequently complicated by the occurrence of graft-versus-host disease (GVHD). Immunocompromised mice infused with human T cells often develop a clinical syndrome resembling human GVHD (xenogeneic or X-GVHD). Herein, we describe a method for inducing X-GVHD in a highly reproducible manner. Given the human nature of immune effectors, this xenogeneic model can be routinely adopted for screening the efficacy of new treatments for GVHD.
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Donor C1 Group KIR-ligand inferiority is linked to increased mortality in haploidentical hematopoietic stem cell transplantation with post-transplant cyclophosphamide.
Cytotherapy
December 2024
Department of Internal Medicine I: Hematology with Stem Cell Transplantation, Hemostaseology and Medical Oncology, Ordensklinikum Linz-Elisabethinen, Linz, Austria; Medical Faculty, Johannes Kepler University, Linz, Austria.
Background Aims: In HLA-identical hematopoietic stem cell transplantation (HSCT), HLA-C1 group killer cell immunoglobulin-like receptor (KIR) ligands have been linked to graft-versus-host disease, whereas C2 homozygosity was associated with increased relapses. The differential impact of the recipients versus the donor's HLA-C KIR ligands cannot be determined in HLA-identical HSCT but may be elucidated in the haploidentical setting, in which HLA-C (including the HLA-C KIR ligand group) mismatching is frequently present.
Methods: We retrospectively investigated the effect of recipient versus donor C1 ligand content on survival and complications in post-transplant cyclophosphamide (PTCy)-based haploidentical HSCT (n = 170).
Donor Type Does Not Impact Late Graft Failure Following Reduced Intensity Allogeneic Hematopoietic Cell Transplantation with Post-Transplant Cyclophosphamide Based Graft-Versus-Host Disease Prophylaxis.
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Dana-Farber Cancer Institute, Division of Transplantation and Cellular Therapy, Boston, MA. Electronic address:
Background: Post-transplant cyclophosphamide (PTCy) is a commonly used graft-vs-host disease (GVHD) prophylaxis, particularly in the setting of haploidentical (haplo) hematopoietic cell transplantation (HCT). The rate of graft failure has been reported to be as high as 12-20% in haplo-HCT recipients using PTCy. The objective of this study was to determine if donor type influenced the risk of late graft failure following RIC HCT using PTCy-based GVHD prophylaxis.
View Article and Find Full Text PDFThe impact of , , and polymorphisms on tacrolimus dose-adjusted concentration and clinical outcomes in adult allogeneic hematopoietic stem cell transplantation.
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Department of Pharmacy, The Fourth Affiliated Hospital of Soochow University, Suzhou Dushu Lake Hospital, Medical Center of Soochow University, Suzhou, 215123, China.
1. Polymorphisms in genes related to drug-metabolizing genes may affect tacrolimus exposure. This study aimed to assess the influence of , , and polymorphisms on tacrolimus pharmacokinetics and outcomes in allogeneic hematopoietic stem cell transplantation (HSCT).
View Article and Find Full Text PDFAdvancing therapeutic strategies for graft-versus-host disease by targeting gut microbiome dynamics in allogeneic hematopoietic stem cell transplantation: current evidence and future directions.
Mol Med
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Department of Laboratory Medicine, The Affiliated People's Hospital, Jiangsu University, No. 8 Dianli Road, Zhenjiang, 212002, Jiangsu, People's Republic of China.
Hematopoietic stem cell transplantation (HSCT) is a highly effective therapy for malignant blood illnesses that pose a high risk, as well as diseases that are at risk due to other variables, such as genetics. However, the prevalence of graft-versus-host disease (GVHD) has impeded its widespread use. Ensuring the stability of microbial varieties and associated metabolites is crucial for supporting metabolic processes, preventing pathogen intrusion, and modulating the immune system.
View Article and Find Full Text PDFThe BMT CTN 1703 phase III trial confirmed that graft-versus-host disease (GVHD) prophylaxis with post-transplantation cyclophosphamide (PTCy), tacrolimus (Tac), and mycophenolate mofetil (MMF) results in superior GVHD-free, relapse-free survival (GRFS) compared with Tac/methotrexate (MTX) prophylaxis. This companion study assesses the effect of these regimens on patient-reported outcomes (PROs). Using the Lee Chronic GVHD Symptom Score and PROMIS subscales (physical function, GI symptoms, social role satisfaction) as primary end points and hemorrhagic cystitis symptoms and Lee subscales as secondary end points, responses from English and Spanish speakers were analyzed at baseline and days 100, 180, and 365 after transplant.
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