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Morris AB, Bray R, Gebel HM, Cliff Sullivan H. A Primer on Chimerism Analysis: A Straightforward, Thorough Review. Lab Med 2022:6827470. [DOI: 10.1093/labmed/lmac132] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Abstract
Abstract
Short tandem repeat (STR) analysis to assess chimerism is a critical aspect of routine care particularly in patients facing stem cell transplants but is also relevant in other clinical scenarios. STR analysis provides a means to assess donor and recipient cellular origins in a patient, and, as such, can inform engraftment, rejection, and relapse status in stem cell transplant recipients. In this review of STR testing, the most commonly used method to assess chimerism, its background, procedural details, and clinical utility are discussed.
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Affiliation(s)
- Anna B Morris
- Department of Pathology and Laboratory Medicine, Emory University School of Medicine , Atlanta, GA , USA
| | - Robert Bray
- Department of Pathology and Laboratory Medicine, Emory University School of Medicine , Atlanta, GA , USA
| | - Howard M Gebel
- Department of Pathology and Laboratory Medicine, Emory University School of Medicine , Atlanta, GA , USA
| | - H Cliff Sullivan
- Department of Pathology and Laboratory Medicine, Emory University School of Medicine , Atlanta, GA , USA
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Solid Organ Transplant Graft-Versus-Host Disease in a Kidney/Pancreas Transplant Patient: Use of Chimerism Testing and a Rare Presentation of Cutaneous GVHD. Case Rep Transplant 2022; 2022:6539808. [PMID: 35308106 PMCID: PMC8926520 DOI: 10.1155/2022/6539808] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2021] [Accepted: 02/13/2022] [Indexed: 11/28/2022] Open
Abstract
Introduction. Solid organ transplant graft-versus-host disease (SOT-GVHD) is a rare phenomenon in which recipients of solid organ transplant develop GVHD due to the presence of donor lymphocytes in the graft. SOT-GVHD most often occurs in patients receiving small bowel or liver transplants. Diagnosis is typically via identification of lymphocytic infiltration on histopathology and molecular demonstration of donor T cell chimerism in the target organ. The gastrointestinal (GI) system is the most common target of SOT-GVHD, and one estimate places long-term survival of patients with SOT-GVHD at 20% at 5 years. In this report, we present the case of a patient with sequential kidney and pancreas transplant who developed SOT-GVHD targeting host lymphocytes, skin, and liver, with a long period of stability before treatment with antithymocyte globulin. Peripheral blood chimerism testing was used to track response to therapy. Remarkably, he survived 1.5 years despite recurrent infections before dying of unrelated causes.
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Sato N, Marubashi S. How is transfusion-associated graft-versus-host disease similar to, yet different from, organ transplantation-associated graft-versus-host disease? Transfus Apher Sci 2022; 61:103406. [DOI: 10.1016/j.transci.2022.103406] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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Abstract
Graft-versus-host disease (GVHD) is a common complication of hematopoietic stem cell transplantation but can rarely occur after solid organ transplants. Small bowel and liver transplants are typically implicated, but solid organ transplant-associated GVHD has also been associated with other organs. We present a 40-year-old diabetic woman who underwent renal followed by pancreatic transplantation over a span of 21 months and ultimately developed acute classic GVHD. The diagnosis proved to be challenging in the context of confounding infections and inconclusive bone marrow and skin biopsy findings. She had multiorgan failure at the time of endoscopic confirmation and died after having minimal response to aggressive immunosuppression.
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Transplantation and Transfusion. CHIMERISM 2018. [DOI: 10.1007/978-3-319-89866-7_3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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Dermatologic manifestations of solid organ transplantation-associated graft-versus-host disease: A systematic review. J Am Acad Dermatol 2017; 78:1097-1101.e1. [PMID: 29288097 DOI: 10.1016/j.jaad.2017.12.050] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2017] [Revised: 12/12/2017] [Accepted: 12/18/2017] [Indexed: 12/22/2022]
Abstract
BACKGROUND Graft-versus-host-disease (GVHD) after solid organ transplantation (SOT) is extremely rare. OBJECTIVE To investigate the dermatologic manifestations and clinical outcomes of SOT GVHD. METHODS Systematic literature review of SOT GVHD. RESULTS After full-text article review, we included 61 articles, representing 115 patients and 126 transplanted organs. The most commonly transplanted organ was the liver (n = 81). Among 115 patients, 101 (87.8%) developed skin involvement. The eruption appeared an average of 48.3 days (range, 3-243 days) posttransplant and was pruritic in 5 of 101 (4.9%) cases. The eruption was described as morbilliform in 2 patients (1.9%), confluent in 6 (5.9%), and desquamative in 4 (3.9%) cases. In many cases, specific dermatologic descriptions were lacking. The mortality rate was 72.2%. Relative time of death was reported in 23 patients who died during the follow-up period. These patients died an average of 99.2 days (range, 22-270 days) posttransplant, or 50.9 days after the appearance of dermatologic symptoms. Frequent causes of death were sepsis and multiorgan failure. LIMITATIONS Incomplete descriptions of skin findings and potential publication bias resulting in publication of only the most severe cases. CONCLUSIONS GVHD is a potentially fatal condition that can occur after SOT and often presents with a skin rash. We recommend that dermatologists have a low threshold to consider and pursue this diagnosis in the setting of post-SOT skin eruption.
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Rashidi A, Brennan DC, Amarillo IE, Wellen JR, Cashen A. Mixed Donor Chimerism Following Simultaneous Pancreas-Kidney Transplant. EXP CLIN TRANSPLANT 2017; 16:307-313. [PMID: 28661312 DOI: 10.6002/ect.2016.0299] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
OBJECTIVES Graft-versus-host disease after solid-organ transplant is exceedingly rare. Although the precise pathogenetic mechanisms are unknown, a progressive increase in donor chimerism is a requirement for its development. The incidence of mixed donor chimerism and its timeline after simultaneous pancreas-kidney transplant is unknown. MATERIALS AND METHODS After encountering 2 cases of graft-versus-host disease after simultaneous pancreas-kidney transplant at our institution over a period of < 2 years, a collaborative pilot study was conducted by the bone marrow transplant, nephrology, and abdominal transplant surgery teams. We enrolled all consecutive patients undergoing sex-mismatched simultaneous pancreas-kidney transplant over 1 year and longitudinally monitored donor chimerism using fluorescence in situ hybridization for sex chromosomes. RESULTS We found no evidence for chimerism in our 7 patients. In a comprehensive literature review, we found a total of 25 previously reported cases of graft-versus-host disease after kidney, pancreas, and simultaneous pancreas-kidney transplants. The median onset of graft-versus-host disease was approximately 5 weeks after transplant, with a median of about 2 weeks of delay between first presentation and diagnosis. Skin, gut, and bone marrow were almost equally affected at initial presentation, and fever of unknown origin occurred in more than half of patients. The median survival measured from the first manifestation of graft-versus-host disease was only 48 days. CONCLUSIONS Within the limitations related to small sample size, our results argue against an unusually high risk of graft-versus-host disease after simultaneous pancreas-kidney transplant. Collaboration between solid-organ and stem cell transplant investigators can be fruitful and can improve our understanding of the complications that are shared between the 2 fields.
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Affiliation(s)
- Armin Rashidi
- U.O.C. Division of Immunohematology, Transfusion Medicine and Transplant Immunology, Regional Reference Laboratory of Transplant Immunology, Azienda Ospedaliera Universitaria, Second University of Naples, Naples, Italy
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8
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Skin-Limited Graft-versus-Host Disease after Pancreatic Transplantation. Case Rep Transplant 2017; 2017:4823870. [PMID: 28804667 PMCID: PMC5540464 DOI: 10.1155/2017/4823870] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2017] [Revised: 06/09/2017] [Accepted: 06/15/2017] [Indexed: 11/30/2022] Open
Abstract
Introduction The phenomenon of graft-versus-host disease, a solid organ transplant recipient, is a rare development with a very poor prognosis. Case Presentation A 40-year-old woman with type 1 diabetes developed cutaneous graft-versus-host disease following second pancreas transplantation. Conclusion The development of a nonspecific rash in the early posttransplant period following a pancreas transplant warrants suspicion for graft-versus-host disease.
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Acute graft-versus-host disease following simultaneous pancreas-kidney transplantation: report of a case. Surg Today 2014; 45:1567-71. [DOI: 10.1007/s00595-014-1069-z] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2014] [Accepted: 10/05/2014] [Indexed: 12/13/2022]
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Rossi AP, Bone BA, Edwards AR, Parker MK, Delos Santos RB, Hagopian J, Lockwood C, Musiek A, Klein CL, Brennan DC. Graft-versus-host disease after simultaneous pancreas-kidney transplantation: a case report and review of the literature. Am J Transplant 2014; 14:2651-6. [PMID: 25219902 DOI: 10.1111/ajt.12862] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2014] [Revised: 06/02/2014] [Accepted: 06/03/2014] [Indexed: 01/25/2023]
Abstract
Graft-versus-host disease (GVHD) after solid organ transplantation is rare and usually fatal. We present, to our knowledge, the second successfully treated case in a simultaneous pancreas-kidney (SPK) transplant recipient. A 29-year-old female with end-stage renal disease from type 1 diabetes mellitus received an SPK transplant from a male donor, with rabbit-antithymocyte globulin induction. Twelve days posttransplant, she was readmitted with abdominal pain, nausea and vomiting. She developed leukopenia, abnormal liver enzymes, fever and a skin rash. Skin biopsy showed interface dermatitis consistent with allergic reaction versus GVHD. Fluorescence in situ hybridization of the skin biopsy showed 28% of cells had a Y chromosome confirming GVHD. Short tandem repeats (STR) enriched for CD3+ cells from peripheral blood showed a mixed chimerism. She was successfully treated with a single plasmapheresis to remove antithymocyte globulin, high-dose steroids, photopheresis and high tacrolimus levels (12-15 ng/mL). Five months after transplantation, she has normal renal function and white blood cell count, normal hemoglobin A1C and no evidence of peripheral blood donor chimerism. In conclusion, early diagnosis of GVHD after SPK transplantation may allow successful treatment. STR enriched for CD3+ may be useful to evaluate the response to therapy.
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Affiliation(s)
- A P Rossi
- Transplant Nephrology, Washington University in St. Louis, St. Louis, MO
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11
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Guy S, Potluri A, Xiao G, Vega ML, Malat G, Ranganna K, Cusack C, Doyle AM. Successful treatment of acute severe graft-versus-host-disease in a pancreas-after-kidney transplant recipient: case report. Transplant Proc 2014; 46:2446-9. [PMID: 25179161 DOI: 10.1016/j.transproceed.2014.06.049] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2014] [Accepted: 06/17/2014] [Indexed: 10/24/2022]
Abstract
The development of acute graft-versus-host-disease (GVHD) in recipients of pancreas transplants is a rare and quite often a fatal post-transplantation complication. We present a 38-year-old male with a longstanding history of type 1 diabetes mellitus and end-stage kidney disease, with a living unrelated kidney transplant from his wife for 3 years, who received an enteric-drained 5-antigen HLA-mismatched deceased-donor pancreas. Five weeks after transplantation, he presented with spiking fevers, severe skin rash, diarrhea, pancytopenia, and increasingly abnormal liver function tests. Skin biopsies were consistent with grade 3 acute GVHD. The patient was treated for GVHD with escalated doses of tacrolimus, pulse doses of steroids, and basiliximab. He was discharged after a 4-week hospital stay with complete resolution of his rash, fever, abnormal liver enzymes, and leukopenia. He remained in good health with excellent kidney and pancreas allograft function 3 years later.
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Affiliation(s)
- S Guy
- Division of Solid Organ Transplantation, Drexel University College of Medicine, Philadelphia, Pennsylvania
| | - A Potluri
- Division of Solid Organ Transplantation, Drexel University College of Medicine, Philadelphia, Pennsylvania
| | - G Xiao
- Division of Solid Organ Transplantation, Drexel University College of Medicine, Philadelphia, Pennsylvania
| | - M L Vega
- Division of Dermatology, Thomas Jefferson University Hospital, Philadelphia, Pennsylvania
| | - G Malat
- Division of Solid Organ Transplantation, Drexel University College of Medicine, Philadelphia, Pennsylvania
| | - K Ranganna
- Division of Solid Organ Transplantation, Drexel University College of Medicine, Philadelphia, Pennsylvania
| | - C Cusack
- Division of Dermatology, Drexel University College of Medicine, Philadelphia, Pennsylvania
| | - A M Doyle
- Division of Solid Organ Transplantation, Drexel University College of Medicine, Philadelphia, Pennsylvania.
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Graft-versus-Host Disease after Living-Unrelated Kidney Transplantation. Case Rep Transplant 2014; 2014:971426. [PMID: 24812587 PMCID: PMC4000646 DOI: 10.1155/2014/971426] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2013] [Accepted: 01/08/2014] [Indexed: 11/18/2022] Open
Abstract
Graft-versus-host disease (GVHD) is a rare complication after solid organ transplantation and consists of a reaction of donor derived immune cells directed against host tissues. The vast majority of cases reported in the literature involve liver, small intestine and pancreas transplantation. We report a case of GVHD in a 48-year-old man after living-unrelated kidney transplantation at another center. Six months postoperatively he developed a skin rash, anorexia, and diarrhea that resulted in malnutrition and a 90 pound weight loss. At this point he was transferred to our center with a BMI of 16 and severe cachexia. Intravenous hyperalimentation was initiated and an extensive work-up for an infectious etiology was performed and was negative. An esophagogastroduodenoscopy was performed and revealed nodularity of the gastric mucosa, atrophy, and edema in the first and second portion of his duodenum. Biopsy findings were consistent with GVHD. Aggressive immunosuppressive therapy was instituted with a good response. The anorexia and diarrhea resolved, and he was discharged on hospital day 20. Three months later, there had been no recurrence of the diarrhea, the patient had gained an additional 40 pounds, BMI of 25, and a repeat upper endoscopy revealed complete resolution of the initial endoscopic abnormalities.
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Chang JW, Sageshima J, Ciancio G, Mattiazzi A, Chen L, Tsai HL, Ruiz P, Burke GW. Successful treatment for graft-versus-host disease after pancreas transplantation. Clin Transplant 2014; 28:217-22. [PMID: 24433450 DOI: 10.1111/ctr.12300] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 11/21/2013] [Indexed: 11/29/2022]
Abstract
Graft-versus-host disease (GVHD) after pancreas transplantation is a rare but serious complication: All previously reported cases were fatal. We herein report three cases of GVHD after pancreas transplantation with favorable outcomes. Patients with a history of kidney (and pancreas) transplantation subsequently received a pancreas (and kidney) transplantation (i.e., pancreas retransplantation or pancreas after kidney transplantation) and developed acute GVHD. All of them responded to increased immunosuppression (e.g., steroid bolus, antithymocyte globulin) and retained normal graft function. Because the clinical manifestations are non-specific, vigilance is necessary to make an accurate diagnosis. We underscored the importance of a biopsy of involved organs and the clinicopathologic correlation in the early diagnosis of GVHD. Augmented immunosuppression to prevent progression from a self-limited disease to life-threatening pancytopenia or sepsis may be most critical to improve outcome.
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Affiliation(s)
- Jei wen Chang
- Division of Kidney and Pancreas Transplantation, Dewitt Daughtry Department of Surgery, University of Miami Miller School of Medicine, Miami, FL, USA; Department of Pediatrics and Surgery, School of Medicine, Taipei Veterans General Hospital Institute of Clinical Medicine, National Yang-Ming University, Taipei, Taiwan
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Gleicher N. Graft-versus-host disease and immunologic rejection: implications for diagnosis and treatments of pregnancy complications. ACTA ACUST UNITED AC 2014. [DOI: 10.1586/17474108.3.1.37] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
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Pant C, Deshpande A, Larson A, O'Connor J, Rolston DDK, Sferra TJ. Diarrhea in solid-organ transplant recipients: a review of the evidence. Curr Med Res Opin 2013; 29:1315-28. [PMID: 23777312 DOI: 10.1185/03007995.2013.816278] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
OBJECTIVE To provide a comprehensive review of the literature as it relates to diarrhea in solid organ transplant (SOT) recipients. In this article, we review the epidemiology, pathogenesis, clinical manifestations, diagnosis and management of diarrhea in SOT recipients and discuss recent advances and challenges. METHODS Two investigators conducted independent literature searches using PubMed, Web of Science, and Scopus until January 1st, 2013. All databases were searched using a combination of the terms diarrhea, solid organ transplant, SOT, transplant associated diarrhea, and transplant recipients. Articles that discussed diarrhea in SOT recipients were reviewed and relevant cross-references also read and evaluated for inclusion. Selection bias could be a possible limitation of the approach used in selecting or finding articles for this article. FINDINGS Post-transplant diarrhea is a common and distressing occurrence in patients, which can have significant deleterious effects on the clinical course and well-being of the organ recipient. A majority of cases are due to infectious and drug-related etiologies. However, various other etiologies including inflammatory bowel disease must be considered in the differential diagnosis. A step-wise, informed approach to post-transplant diarrhea will help the clinician achieve the best diagnostic yield. The use of diagnostic endoscopy should be preceded by exclusion of an infectious or drug-related cause of diarrhea. Empiric management with antidiarrheal agents, probiotics, and lactose-free diets may have a role in managing patients for whom no cause can be determined even after an extensive investigation. CONCLUSIONS Physicians should be familiar with the common etiologies that result in post-transplant diarrhea. A directed approach to diagnosis and treatment will not only help to resolve the diarrhea but also prevent potentially life-threatening consequences including loss of the graft as well. Prospective studies are required to determine the etiology of post-transplant diarrhea in different clinical and geographic settings.
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Affiliation(s)
- Chaitanya Pant
- University of Oklahoma Health Sciences Center , Oklahoma City, OK , USA
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HLA mismatch direction in cord blood transplantation: impact on outcome and implications for cord blood unit selection. Blood 2011; 118:3969-78. [PMID: 21750317 DOI: 10.1182/blood-2010-11-317271] [Citation(s) in RCA: 44] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022] Open
Abstract
Donor-recipient human leukocyte antigen mismatch level affects the outcome of unrelated cord blood (CB) transplantation. To identify possible "permissive" mismatches, we examined the relationship between direction of human leukocyte antigen mismatch ("vector") and transplantation outcomes in 1202 recipients of single CB units from the New York Blood Center National Cord Blood Program treated in United States Centers from 1993-2006. Altogether, 98 donor/patient pairs had only unidirectional mismatches: 58 in the graft-versus-host (GVH) direction only (GVH-O) and 40 in the host-versus-graft or rejection direction only (R-O). Engraftment was faster in patients with GVH-O mismatches compared with those with 1 bidirectional mismatch (hazard ratio [HR] = 1.6, P = .003). In addition, patients with hematologic malignancies given GVH-O grafts had lower transplantation-related mortality (HR = 0.5, P = .062), overall mortality (HR = 0.5, P = .019), and treatment failure (HR = 0.5, P = .016), resulting in outcomes similar to those of matched CB grafts. In contrast, R-O mismatches had slower engraftment, higher graft failure, and higher relapse rates (HR = 2.4, P = .010). Based on our findings, CB search algorithms should be modified to identify unidirectional mismatches. We recommend that transplant centers give priority to GVH-O-mismatched units over other mismatches and avoid selecting R-O mismatches, if possible.
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Osband AJ, Laskow DA, Mann RA. Treatment of acute graft-vs-host disease after simultaneous pancreas-kidney transplantation: a case report. Transplant Proc 2011; 42:3894-7. [PMID: 21094880 DOI: 10.1016/j.transproceed.2010.08.058] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2009] [Revised: 07/16/2010] [Accepted: 08/26/2010] [Indexed: 11/17/2022]
Abstract
Whereas neutropenia is common after solid-organ transplantation, graft-vs-host disease is unusual, especially after simultaneous pancreas-kidney transplantation. Most cases reported in the literature give few details of treatment approach, and all were fatal. A 45-year-old man with diabetes underwent simultaneous pancreas-kidney transplantation at our center, with organs from a female donor. Two weeks postoperatively, he was readmitted with fever, malaise, and neutropenia. A bone marrow biopsy specimen demonstrated that two-thirds of the lymphocytes were of female karyotype. Graft-vs-host disease was diagnosed. Aggressive immunosuppression therapy was administered; however, the patient died. To our knowledge, this is the first case report with specific details of a treatment protocol and sequential short tandem repeat data.
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Affiliation(s)
- A J Osband
- Kidney and Pancreas Transplant Center, Robert Wood Johnson Medical School, 10 Plum St, 7th Floor, New Brunswick, NJ 08901, USA.
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Zhang Y, Ruiz P. Solid organ transplant-associated acute graft-versus-host disease. Arch Pathol Lab Med 2010; 134:1220-4. [PMID: 20670147 DOI: 10.5858/2008-0679-rs.1] [Citation(s) in RCA: 53] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
Solid organ transplant-associated graft-versus-host disease is an infrequent and potentially lethal complication. The incidence of this complication varies according to the type of organ transplant with higher rates associated with liver and small bowel transplants. The clinical presentation typically includes fever and skin rash, and most cases quickly advance to become a multisystem disease affecting the bone marrow and other nontransplanted solid organs. The diagnosis is based on the clinical symptoms, pathologic changes in biopsied tissues, and systemic lymphoid chimerism. The mortality of this disease can exceed 75% after liver transplant and most patients die from infections or hemorrhage due to bone marrow failure. There is no standard treatment strategy for this complication, and the management mainly consists of both prophylaxis and immediate treatment without delay. This short review summarizes the current pathogenesis, diagnosis, and treatment of this entity.
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Affiliation(s)
- Yaxia Zhang
- Department of Pathology, University of Miami-Jackson Memorial Hospital and Sylvester Comprehensive Cancer Center, Miami, Florida, USA
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Abstract
For several decades, allograft rejection was believed to be mediated almost exclusively by cellular immune responses, but it is now realized that humoral responses also play a major role. Although directed typically against donor human leukocyte antigen, it is becoming increasingly evident that the antibody response can also target autoantigens that are shared between donor and recipient and that this autoantibody may contribute to graft rejection. Many aspects of transplant-induced humoral autoimmunity remain poorly understood and key questions persist; not least what triggers the response and how autoantibody causes graft damage. Here, we collate results from recent clinical and experimental studies in transplantation and autoimmune diseases to propose answers to these questions.
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Tolerance and Long-Lasting Peripheral Chimerism After Allogeneic Intestinal Transplantation in MGH Miniature Swine. Transplantation 2010; 89:417-26. [DOI: 10.1097/tp.0b013e3181ca8848] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
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Schuchmann M, Meyer RG, Distler E, von Stebut E, Kuball J, Schnürer E, Wölfel T, Theobald M, Konur A, Gregor S, Schreiner O, Huber C, Galle PR, Otto G, Herr W. The programmed death (PD)-1/PD-ligand 1 pathway regulates graft-versus-host-reactive CD8 T cells after liver transplantation. Am J Transplant 2008; 8:2434-44. [PMID: 18925909 DOI: 10.1111/j.1600-6143.2008.02401.x] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
Abstract
Acute graft-versus-host disease (aGVHD) is a life-threatening complication after solid-organ transplantation, which is mediated by host-reactive donor T cells emigrating from the allograft. We report on two liver transplant recipients who developed an almost complete donor chimerism in peripheral blood and bone marrow-infiltrating T cells during aGVHD. By analyzing these T cells directly ex vivo, we found that they died by apoptosis over time without evidence of rejection by host T cells. The host-versus-donor reactivity was selectively impaired, as anti-third-party and antiviral T cells were still detectable in the host repertoire. These findings support the acquired donor-specific allotolerance concept previously established in animal transplantation studies. We also observed that the resolution of aGVHD was not accompanied by an expansion of circulating immunosuppressive CD4/CD25/FoxP3-positive T cells. In fact, graft-versus-host-reactive T cells were controlled by an alternative negative regulatory pathway, executed by the programmed death (PD)-1 receptor and its ligand PD-L1. We found high PD-1 expression on donor CD4 and CD8 T cells. In addition, blocking PD-L1 on host-derived cells significantly enhanced alloreactivity by CD8 T cells in vitro. We suggest the interference with the PD-1/PD-L1 pathway as a therapeutic strategy to control graft-versus-host-reactive T cells in allograft recipients.
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Affiliation(s)
- M Schuchmann
- Department of Medicine I, University of Mainz, Langenbeckstr, Mainz, Germany
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Weng FL, Pancoska C, Patel AM. Fatal graft-versus-host disease presenting as fever of unknown origin in a pancreas-after-kidney transplant recipient. Am J Transplant 2008; 8:881-3. [PMID: 18294353 DOI: 10.1111/j.1600-6143.2008.02150.x] [Citation(s) in RCA: 15] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
Abstract
Acute graft-versus-host disease (GVHD) is a rare complication of pancreas transplantation. We describe a 54-year-old male with type 1 diabetes who received a zero-antigen mismatched pancreas-after-kidney transplant from a pancreas donor who was homozygous at the HLA-B, -Cw, -DR, and -DQ alleles. Starting on postoperative day (POD) #22, the patient developed persistent fevers. Workup was notable only for low-grade cytomegalovirus viremia, which was treated. The fevers eventually disappeared. On POD #106, the patient was noted to have a diffuse erythematous rash. A skin biopsy was consistent with GVHD. Short tandem repeat DNA analysis of both peripheral blood lymphocytes and skin demonstrated mixed chimerism, confirming the diagnosis of GHVD. Soon after diagnosis, the patient developed pancytopenia and fevers and died of multiorgan failure on POD #145. Transplant clinicians should consider GVHD as a possible, although admittedly rare, cause of fevers of unknown origin in recipients of pancreas transplants.
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Affiliation(s)
- F L Weng
- Renal and Pancreas Transplant Division, Saint Barnabas Medical Center, Livingston, NJ, USA.
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Liu C, Pan S, Jiang H, Sun X. Gene transfer of antisense B7.1 attenuates acute rejection against splenic allografts in rats. Transplant Proc 2008; 39:3391-5. [PMID: 18089391 DOI: 10.1016/j.transproceed.2007.08.094] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2006] [Revised: 06/18/2007] [Accepted: 08/08/2007] [Indexed: 01/01/2023]
Abstract
Blockade of CD80-CD28 costimulatory pathway induces unresponsiveness of T cells to alloantigens and protects allografts against immune rejection in numerous animal models. The aim of this study was to investigate whether blocking expression of B7.1 (CD80) on donor splenocytes by an antisense technique protected splenic allografts against immune rejection. Splenic grafts from Wistar-Furth rats were intra-arterially transfused with an antisense B7.1 expression vector, before they were transplanted into Sprague-Dawley rats. The rats were sacrificed at scheduled times, and the splenic allografts histologically examined. Antisense gene transfer resulted in marked down-regulation of B7.1 in donor spleens, hyporesponsiveness of recipient T cells, and attenuated acute immune rejection against splenic allografts. No obvious damage to skin, liver, or gut due to graft-versus-host disease was detected in the recipients. In conclusion, blocking expression of B7.1 in donor spleens by antisense gene therapy represented a potential alloantigen-specific immunosuppressive strategy to inhibit acute rejection against splenic allografts.
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Affiliation(s)
- C Liu
- Department of General Surgery, the Fourth Affiliated Hospital, and the First Clinical Medical School, Harbin Medical University, China
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Afzali B, Lechler RI, Hernandez-Fuentes MP. Allorecognition and the alloresponse: clinical implications. ACTA ACUST UNITED AC 2007; 69:545-56. [PMID: 17498264 DOI: 10.1111/j.1399-0039.2007.00834.x] [Citation(s) in RCA: 120] [Impact Index Per Article: 7.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
The artificial transfer of tissues or cells between genetically diverse individuals elicits an immune response that is adaptive and specific. This response is orchestrated by T lymphocytes that are recognizing, amongst others, major histocompatibility complex (MHC) molecules expressed on the surface of the transferred cells. Three pathways of recognition are described: direct, indirect and semi-direct. The sets of antigens that are recognized in this setting are also discussed, namely, MHC protein products, the MHC class I-related chain (MIC) system, minor histocompatibility antigens and natural killer cell receptor ligands. The end product of the effector responses are hyperacute, acute and chronic rejection. Special circumstances surround the situation of pregnancy and bone marrow transplantation because in the latter, the transferred cells are the ones originating the immune response, not the host. As the understanding of these processes improves, the ability to generate clinically viable immunotherapies will increase.
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Affiliation(s)
- B Afzali
- Department of Nephrology and Transplantation, King's College London, Guy's Hospital Campus, London, UK
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