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Oza K, Kang J, Patil D, Owen KL, Cui W, Khan K, Kaufman SS, Kroemer A. Current Advances in Graft-versus-host Disease After Intestinal Transplantation. Transplantation 2024; 108:399-408. [PMID: 37309025 DOI: 10.1097/tp.0000000000004703] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
Graft-versus-host disease (GvHD) remains a potentially fatal complication following intestinal transplant (ITx). Over the past decade, advances in the understanding of the pathophysiology of this complex immunological phenomenon have led to the reassessment of the host systemic immune response and have created a gateway for novel preventive and therapeutic strategies. Although sufficient evidence dictates the use of corticosteroids as a first-line option, the treatment for refractory disease remains contentious and lacks a standardized therapeutic approach. Timely diagnosis remains crucial, and the advent of chimerism detection and immunological biomarkers have transformed the identification, prognostication, and potential for survival after GvHD in ITx. The objectives of the following review aim to discuss the clinical and diagnostic features, pathophysiology, advances in immune biomarkers, as well as therapeutic opportunities in the prevention and treatment of GvHD in ITx.
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Affiliation(s)
- Kesha Oza
- MedStar Georgetown Transplant Institute, MedStar Georgetown University Hospital and the Center for Translational Transplant Medicine, Georgetown University Medical Center, Washington, DC
- Department of General Surgery, MedStar Georgetown University Hospital, Washington, DC
| | - Jiman Kang
- MedStar Georgetown Transplant Institute, MedStar Georgetown University Hospital and the Center for Translational Transplant Medicine, Georgetown University Medical Center, Washington, DC
- Department of Biochemistry and Molecular & Cellular Biology, Georgetown University, Washington, DC
| | - Digvijay Patil
- MedStar Georgetown Transplant Institute, MedStar Georgetown University Hospital and the Center for Translational Transplant Medicine, Georgetown University Medical Center, Washington, DC
| | - Kathryn L Owen
- MedStar Georgetown Transplant Institute, MedStar Georgetown University Hospital and the Center for Translational Transplant Medicine, Georgetown University Medical Center, Washington, DC
| | - Wanxing Cui
- MedStar Georgetown Transplant Institute, MedStar Georgetown University Hospital and the Center for Translational Transplant Medicine, Georgetown University Medical Center, Washington, DC
- Department of Biochemistry and Molecular & Cellular Biology, Georgetown University, Washington, DC
| | - Khalid Khan
- MedStar Georgetown Transplant Institute, MedStar Georgetown University Hospital and the Center for Translational Transplant Medicine, Georgetown University Medical Center, Washington, DC
| | - Stuart S Kaufman
- MedStar Georgetown Transplant Institute, MedStar Georgetown University Hospital and the Center for Translational Transplant Medicine, Georgetown University Medical Center, Washington, DC
| | - Alexander Kroemer
- MedStar Georgetown Transplant Institute, MedStar Georgetown University Hospital and the Center for Translational Transplant Medicine, Georgetown University Medical Center, Washington, DC
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Ghosh K, Ghosh K. Monoclonal antibodies used for the management of haematological disorders. Expert Rev Hematol 2022; 15:443-455. [PMID: 35504000 DOI: 10.1080/17474086.2022.2073213] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
Abstract
INTRODUCTION Monoclonal antibodies Ab (MoAb) are increasingly becoming part of therapeutic armamentarium for haematologists and haemato-oncologists. This review brings together commonly used antibodies in one place for brevity and novel understanding. AREAS COVERED Pubmed and Scopus databases were explored focusing on MoAb in clinical haematological practice. Emphasis was given to current review articles. The data base was searched from 1997 till present. 24 different antibodies, most of which are in use were discussed. Antibodies are used for diverse conditions i.e. malignant and benign haematological conditions, treatment at various phases of stem cell transplantation. These antibodies were used both alone or in combination with various chemotherapy, targeted small molecules or as immunoconjugates. Some of the side effect profiles of these antibodies were common and some were unique. Unusual infections or organ dysfunctions were noted. Improved function of antibodies by protein engineering is also advancing rapidly. Dosage, frequency and route of administration depended on the convenience and condition for which the antibody is used. EXPERT OPINION : MoAbs are increasingly used in haematology practice either alone or in combination with other types of therapy for improved out come in various haematological conditions.
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Affiliation(s)
- Kanjaksha Ghosh
- National Institute of Immunohaematology. 13th fl. KEM Hospital MS Building, Parel, Mumbai 400012. India
| | - Kinjalka Ghosh
- Department of Clinical Biochemistry , Tata Memorial Hospital. & Homi Bhaba National Institute. Parel, Mumbai 400012.India
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Carter NM, Pomerantz JL. Calcineurin inhibitors target Lck activation in graft-versus-host disease. J Clin Invest 2021; 131:e149934. [PMID: 34060488 DOI: 10.1172/jci149934] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
Calcineurin inhibitors (CNIs) such as cyclosporin A and FK506 are widely administered immunosuppressive drugs. Calcineurin relieves inhibitory phosphorylation from nuclear factor of activated T cells (NFAT) transcription factors downstream of T cell receptor engagement, resulting in their nuclear translocation and the production of cytokines, including IL-2, IFN-γ, and TNF-α. It was previously believed that CNIs downregulate immunity by reducing NFAT activation. However, work from Otsuka et al. in this issue of the JCI revealed a second mechanism by which CNIs suppress T cell function. The authors previously reported that calcineurin removes an inhibitory phosphate from the tyrosine kinase Lck at Ser59 (Lck-S59) and that this dephosphorylation positively regulates T cell activation. In the present work, the authors showed that inhibition of Lck-S59 dephosphorylation was essential for the CNI-mediated suppression of acute graft-versus-host disease (aGVHD). These findings have important implications for future approaches to the management of aGVHD, organ transplant rejection, and autoimmune disease.
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DiMaggio E. Acute Graft-versus-Host Disease: Emerging Insights and Updates into Detection, Prevention, and Treatment. Pharmacotherapy 2020; 40:788-807. [PMID: 32530080 DOI: 10.1002/phar.2436] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
Acute graft-versus-host disease remains a devastating complication following hematopoietic cell transplantation, resulting in increased morbidity and mortality. Vast research efforts continue to refine or develop new means of prediction, assessment, prevention, and treatment of this syndrome. Recent updates in acute graft-versus-host disease include more definitive guidance and definitions for its grading and diagnosis. Biomarker use is being incorporated into early stages following hematopoietic cell transplantation to aid in the detection and prediction of long-term outcomes. New preventive strategies under investigation include the use of vedolizumab or tocilizumab as upfront prophylaxis. Finally, although steroids remain the backbone of therapy once treatment is warranted, the efficacy of several agents including vedolizumab, tocilizumab, ruxolitinib, and α1 antitrypsin are being evaluated as potential therapeutic options.
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