1
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Odabas GP, Aslan K, Suna PA, Kendirli PK, Erdem Ş, Çakır M, Özcan A, Yılmaz E, Karakukcu M, Donmez-Altuntas H, Yay AH, Deniz K, Altay D, Arslan D, Canatan H, Eken A, Unal E. Alantolactone ameliorates graft versus host disease in mice. Int Immunopharmacol 2024; 128:111560. [PMID: 38246003 DOI: 10.1016/j.intimp.2024.111560] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2023] [Revised: 12/17/2023] [Accepted: 01/15/2024] [Indexed: 01/23/2024]
Abstract
The anti-inflammatory and immunosuppressive drugs which are used in the treatment of Graft-versus-Host Disease (GVHD) have limited effects in controlling the severity of the disease. In this study, we aimed to investigate the prophylactic effect of Alantolactone (ALT) in a murine model of experimental GVHD. The study included 4 BALB/c groups as hosts: Naïve (n = 7), Control GVHD (n = 16), ALT-GVHD (n = 16), and Syngeneic transplantation (n = 10). Busulfan (20 mg/kg/day) for 4 days followed by cyclophosphamide (100 mg/kg/day) were administered for conditioning. Allogeneic transplantation was performed with cells collected from mismatched female C57BL/6, and GVHD development was monitored by histological and flow cytometric assays. Additionally, liver biopsies were taken from GVHD patient volunteers between ages 2-18 (n = 4) and non-GVHD patients between ages 2-50 (n = 5) and cultured ex vivo with ALT, and the supernatants were used for ELISA. ALT significantly ameliorated histopathological scores of the GVHD and improved GVHD clinical scores. CD8+ T cells were shown to be reduced after ALT treatment. More importantly, ALT treatment skewed T cells to a more naïve phenotype (CD62L+ CD44-). ALT did not alter Treg cell number or frequency. ALT treatment appears to suppress myeloid cell lineage (CD11c+). Consistent with reduced myeloid lineage, liver and small intestine levels of GM-CSF were reduced in ALT-treated mice. IL-6 gene expression was significantly reduced in the intestinal tissue. Ex vivo ALT-treated liver biopsy samples from GVHD patients showed a trend of decrease in pro-inflammatory cytokines but there was no statistical significance. Collectively, the data indicated that ALT may have immunomodulatory actions in a preclinical murine GVHD model.
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Affiliation(s)
- Gul Pelin Odabas
- Erciyes University School of Medicine, Department of Pediatrics, Division of Pediatric Hematology and Oncology, Kayseri, Turkiye
| | - Kubra Aslan
- Erciyes University School of Medicine, Department of Medical Biology, Kayseri, Turkiye; Betul-Ziya Eren Genome and Stem Cell Center, Erciyes University, Kayseri, Turkiye
| | - Pinar Alisan Suna
- Erciyes University School of Medicine, Department of Histology and Embryology, Kayseri, Turkiye
| | - Perihan Kader Kendirli
- Abdullah Gül University, School of Life and Natural Sciences, Department of Bioengineering, Kayseri, Turkiye
| | - Şerife Erdem
- Erciyes University School of Medicine, Department of Medical Biology, Kayseri, Turkiye; Betul-Ziya Eren Genome and Stem Cell Center, Erciyes University, Kayseri, Turkiye
| | - Mustafa Çakır
- Erciyes University School of Medicine, Department of Medical Biology, Kayseri, Turkiye; Betul-Ziya Eren Genome and Stem Cell Center, Erciyes University, Kayseri, Turkiye; Van Yuzuncu Yıl University, School of Medicine, Department of Medical Biology, Van, Turkiye
| | - Alper Özcan
- Erciyes University School of Medicine, Department of Pediatrics, Division of Pediatric Hematology and Oncology, Kayseri, Turkiye
| | - Ebru Yılmaz
- Erciyes University School of Medicine, Department of Pediatrics, Division of Pediatric Hematology and Oncology, Kayseri, Turkiye; Erciyes University, Institute of Health Sciences, Department of Blood Banking and Transfusion Medicine, Kayseri, Turkey
| | - Musa Karakukcu
- Erciyes University School of Medicine, Department of Pediatrics, Division of Pediatric Hematology and Oncology, Kayseri, Turkiye
| | - Hamiyet Donmez-Altuntas
- Erciyes University School of Medicine, Department of Medical Biology, Kayseri, Turkiye; Betul-Ziya Eren Genome and Stem Cell Center, Erciyes University, Kayseri, Turkiye
| | - Arzu Hanim Yay
- Betul-Ziya Eren Genome and Stem Cell Center, Erciyes University, Kayseri, Turkiye; Erciyes University School of Medicine, Department of Histology and Embryology, Kayseri, Turkiye
| | - Kemal Deniz
- Erciyes University School of Medicine, Department of Pathology, Kayseri, Turkiye
| | - Derya Altay
- Erciyes University School of Medicine, Department of Pediatric Gastroenterology, Kayseri, Turkiye
| | - Duran Arslan
- Erciyes University School of Medicine, Department of Pediatric Gastroenterology, Kayseri, Turkiye
| | - Halit Canatan
- Erciyes University School of Medicine, Department of Medical Biology, Kayseri, Turkiye; Betul-Ziya Eren Genome and Stem Cell Center, Erciyes University, Kayseri, Turkiye
| | - Ahmet Eken
- Erciyes University School of Medicine, Department of Medical Biology, Kayseri, Turkiye; Betul-Ziya Eren Genome and Stem Cell Center, Erciyes University, Kayseri, Turkiye.
| | - Ekrem Unal
- Erciyes University School of Medicine, Department of Pediatrics, Division of Pediatric Hematology and Oncology, Kayseri, Turkiye; Erciyes University, Institute of Health Sciences, Department of Blood Banking and Transfusion Medicine, Kayseri, Turkey; Hasan Kalyoncu University School of Health Sciences, Department of Nursing, Gaziantep, Turkiye; Medical Point Hospital Hematology and Oncology Clinic, Gaziantep, Turkiye.
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2
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Verlaat L, Riesner K, Kalupa M, Jung B, Mertlitz S, Schwarz C, Mengwasser J, Fricke C, Penack O. Novel pre-clinical mouse models for chronic Graft-versus-Host Disease. Front Immunol 2023; 13:1079921. [PMID: 36761159 PMCID: PMC9902926 DOI: 10.3389/fimmu.2022.1079921] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2022] [Accepted: 11/18/2022] [Indexed: 01/26/2023] Open
Abstract
Despite considerable progress in allogeneic hematopoietic cell transplantation (allo-HCT) has been achieved over the past years, chronic Graft-versus-Host Disease (cGvHD) still contributes to high morbidity rates, thus remaining a major hurdle in allo-HCT patients. To understand the complex pathophysiology of cGvHD and to develop refined prophylaxis and treatment strategies, improved pre-clinical models are needed. In this study, we developed two murine cGvHD models, which display high long-term morbidity but low mortality and depict the heterogeneous clinical manifestations of cGvHD seen in patients. We established a haploidentical C57BL/6→B6D2F1 allo-HCT model that uses myeloablative radiation and G-CSF-mobilized splenocytes as stem cell source and a sub-lethally irradiated Xenograft model, which utilizes the transfer of human peripheral blood mononuclear cells (PBMCs) into NOD scid gamma (NSG)-recipients. We characterized both mouse models to exhibit diverse clinical and histopathological signs of human cGvHD as extensive tissue damage, fibrosis/sclerosis, inflammation and B cell infiltration in cGvHD target organs skin, liver, lung and colon and found a decelerated immune cell reconstitution in the late phase after HCT. Our pre-clinical models can help to gain a deeper understanding of the target structures and mechanisms of cGvHD pathology and may enable a more reliable translation of experimental findings into the human setting of allo-HCT.
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3
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Chugh RM, Bhanja P, Olea XD, Tao F, Schroeder K, Zitter R, Arora T, Pathak H, Kimler BF, Godwin AK, Perry JM, Saha S. Human Peripheral Blood Mononucleocyte Derived Myeloid Committed Progenitor Cells Mitigate H-ARS by Exosomal Paracrine Signal. Int J Mol Sci 2022; 23:5498. [PMID: 35628308 PMCID: PMC9142131 DOI: 10.3390/ijms23105498] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2022] [Revised: 04/28/2022] [Accepted: 05/11/2022] [Indexed: 01/27/2023] Open
Abstract
Radiation-induced loss of the hematopoietic stem cell progenitor population compromises bone marrow regeneration and development of mature blood cells. Failure to rescue bone marrow functions results in fatal consequences from hematopoietic injury, systemic infections, and sepsis. So far, bone marrow transplant is the only effective option, which partially minimizes radiation-induced hematopoietic toxicities. However, a bone marrow transplant will require HLA matching, which will not be feasible in large casualty settings such as a nuclear accident or an act of terrorism. In this study we demonstrated that human peripheral blood mononuclear cell-derived myeloid committed progenitor cells can mitigate radiation-induced bone marrow toxicity and improve survival in mice. These cells can rescue the recipient's hematopoietic stem cells from radiation toxicity even when administered up to 24 h after radiation exposure and can be subjected to allogenic transplant without GVHD development. Transplanted cells deliver sEVs enriched with regenerative and immune-modulatory paracrine signals to mitigate radiation-induced hematopoietic toxicity. This provides a natural polypharmacy solution against a complex injury process. In summary, myeloid committed progenitor cells can be prepared from blood cells as an off-the-shelf alternative to invasive bone marrow harvesting and can be administered in an allogenic setting to mitigate hematopoietic acute radiation syndrome.
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Affiliation(s)
- Rishi Man Chugh
- Departments of Radiation Oncology, University of Kansas Medical Center, Kansas City, MO 66160, USA; (R.M.C.); (P.B.); (X.D.O.); (R.Z.); (T.A.); (B.F.K.)
| | - Payel Bhanja
- Departments of Radiation Oncology, University of Kansas Medical Center, Kansas City, MO 66160, USA; (R.M.C.); (P.B.); (X.D.O.); (R.Z.); (T.A.); (B.F.K.)
| | - Ximena Diaz Olea
- Departments of Radiation Oncology, University of Kansas Medical Center, Kansas City, MO 66160, USA; (R.M.C.); (P.B.); (X.D.O.); (R.Z.); (T.A.); (B.F.K.)
| | - Fang Tao
- Departments of Pediatrics, Children’s Mercy Kansas City, Kansas City, MO 64108, USA; (F.T.); (K.S.); (J.M.P.)
| | - Kealan Schroeder
- Departments of Pediatrics, Children’s Mercy Kansas City, Kansas City, MO 64108, USA; (F.T.); (K.S.); (J.M.P.)
| | - Ryan Zitter
- Departments of Radiation Oncology, University of Kansas Medical Center, Kansas City, MO 66160, USA; (R.M.C.); (P.B.); (X.D.O.); (R.Z.); (T.A.); (B.F.K.)
| | - Tanu Arora
- Departments of Radiation Oncology, University of Kansas Medical Center, Kansas City, MO 66160, USA; (R.M.C.); (P.B.); (X.D.O.); (R.Z.); (T.A.); (B.F.K.)
| | - Harsh Pathak
- Department of Cancer Biology, University of Kansas Medical Center, Kansas City, MO 66160, USA; (H.P.); (A.K.G.)
| | - Bruce F. Kimler
- Departments of Radiation Oncology, University of Kansas Medical Center, Kansas City, MO 66160, USA; (R.M.C.); (P.B.); (X.D.O.); (R.Z.); (T.A.); (B.F.K.)
| | - Andrew K. Godwin
- Department of Cancer Biology, University of Kansas Medical Center, Kansas City, MO 66160, USA; (H.P.); (A.K.G.)
- Department of Pathology and Laboratory Medicine, University of Kansas Medical Center, Kansas City, MO 66160, USA
| | - John M. Perry
- Departments of Pediatrics, Children’s Mercy Kansas City, Kansas City, MO 64108, USA; (F.T.); (K.S.); (J.M.P.)
- Department of Pediatrics, University of Kansas Medical Center, Kansas City, MO 66160, USA
- Departments of Pediatrics, University of Missouri Kansas City School of Medicine, Kansas City, MO 64108, USA
| | - Subhrajit Saha
- Departments of Radiation Oncology, University of Kansas Medical Center, Kansas City, MO 66160, USA; (R.M.C.); (P.B.); (X.D.O.); (R.Z.); (T.A.); (B.F.K.)
- Department of Cancer Biology, University of Kansas Medical Center, Kansas City, MO 66160, USA; (H.P.); (A.K.G.)
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4
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Scheurer J, Leithäuser F, Debatin KM, Strauss G. Modeling acute graft-versus-host disease (aGVHD) in murine bone marrow transplantation (BMT) models with MHC disparity. Methods Cell Biol 2022; 168:19-39. [PMID: 35366982 DOI: 10.1016/bs.mcb.2021.12.007] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
For more than 50years, hematopoietic stem cell transplantation (HSCT) has been the major curative therapy for hematological malignancies and genetic disorders, but its success is limited by the development of graft-versus-host disease (GVHD). GVHD represents a post-transplantation disorder representing the immune-mediated attack of transplant-derived T cells against recipient tissue finally leading to increased morbidity and mortality of the recipient. GVHD develops if donor and recipient are disparate in major or minor histocompatibility antigens (MHC, miHA). Most of the initial knowledge about the biology of GVHD is derived from murine bone marrow transplantation (BMT) models. Of course, GVHD mouse models do not reflect one to one the human situation, but they contribute significantly to our understanding how conditioning and danger signals activate the immune system, enlighten the role of individual molecules, e.g., cytokines, chemokines, death-inducing ligands, define the function of lymphocytes subpopulations for GVHD development and have significant impact on establishing new treatment and prevention strategies used in clinical HSCT. This chapter describes in detail the procedure of allogeneic BMT and the development of GVHD in two commonly used allogeneic murine BMT models (B6→B6.bm1, B6→B6D2F1) with different MHC disparities, which can be used as a basis for advanced studies of GVHD pathology or the development of new treatment strategies.
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Affiliation(s)
- Jasmin Scheurer
- University Medical Center Ulm, Department of Pediatrics and Adolescent Medicine, Ulm, Germany
| | | | - Klaus-Michael Debatin
- University Medical Center Ulm, Department of Pediatrics and Adolescent Medicine, Ulm, Germany
| | - Gudrun Strauss
- University Medical Center Ulm, Department of Pediatrics and Adolescent Medicine, Ulm, Germany.
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5
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Pereira M, Lee NT, Noonan J, Willcox AEH, Calvello I, Georgy SR, Selan C, Chia JS, Hauw W, Wang X, Peter K, Robson SC, Nandurkar HH, Sashindranath M. Early Endothelial Activation in a Mouse Model of Graft vs Host Disease Following Chemotherapy. Front Immunol 2021; 12:708554. [PMID: 34421913 PMCID: PMC8374081 DOI: 10.3389/fimmu.2021.708554] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2021] [Accepted: 07/20/2021] [Indexed: 11/28/2022] Open
Abstract
Allogenic hematopoietic stem cell transplant (allo-HSCT) can lead to sinusoidal obstruction syndrome (SOS) and graft-versus-host disease (GvHD) in some individuals. GvHD is characterised by an immune triggered response that arises due to donor T cells recognizing the recipient tissue as “foreign”. SOS results in impaired liver function due to microvascular thrombosis and consequent obstruction of liver sinusoids. Endothelial damage occurs following chemotherapy and allo-HSCT and is strongly associated with GvHD onset as well as hepatic SOS. Animal models of GvHD are rarely clinically relevant, and endothelial dysfunction remains uncharacterised. Here we established and characterised a clinically relevant model of GvHD wherein Balb/C mice were subjected to myeloablative chemotherapy followed by transplantation of bone marrow (BM) cells± splenic T-cells from C57Bl6 mice, resulting in a mismatch of major histocompatibility complexes (MHC). Onset of disease indicated by weight loss and apoptosis in the liver and intestine was discovered at day 6 post-transplant in mice receiving BM+T-cells, with established GvHD detectable by histology of the liver within 3 weeks. Together with significant increases in pro-inflammatory cytokine gene expression in the liver and intestine, histopathological signs of GvHD and a significant increase in CD4+ and CD8+ effector and memory T-cells were seen. Endothelial activation including upregulation of vascular cell adhesion molecule (VCAM)- 1 and downregulation of endothelial nitric oxide synthase (eNOS) as well as thrombosis in the liver indicated concomitant hepatic SOS. Our findings confirm that endothelial activation is an early sign of acute GvHD and SOS in a clinically relevant mouse model of GvHD based on myeloablative chemotherapy. Preventing endothelial activation may be a viable therapeutic strategy to prevent GvHD.
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Affiliation(s)
- Melrine Pereira
- Australian Centre for Blood Diseases, Central Clinical School, Monash University, Alfred Hospital, Melbourne VIC, Australia
| | - Natasha Ting Lee
- Australian Centre for Blood Diseases, Central Clinical School, Monash University, Alfred Hospital, Melbourne VIC, Australia
| | - Jonathan Noonan
- Atherothrombosis and Vascular Biology Laboratory, Baker Heart and Diabetes Institute, Melbourne, VIC, Australia.,Department of Cardiometabolic Health, University of Melbourne, Melbourne, VIC, Australia.,Department of Immunology, Monash University, Melbourne, VIC, Australia
| | - Abbey E H Willcox
- Australian Centre for Blood Diseases, Central Clinical School, Monash University, Alfred Hospital, Melbourne VIC, Australia
| | - Ilaria Calvello
- Australian Centre for Blood Diseases, Central Clinical School, Monash University, Alfred Hospital, Melbourne VIC, Australia
| | - Smitha Rose Georgy
- Department of Anatomic Pathology, Melbourne Veterinary School, Faculty of Veterinary and Agricultural Sciences, The University of Melbourne, Werribee, VIC, Australia
| | - Carly Selan
- Australian Centre for Blood Diseases, Central Clinical School, Monash University, Alfred Hospital, Melbourne VIC, Australia
| | - Joanne S Chia
- Australian Centre for Blood Diseases, Central Clinical School, Monash University, Alfred Hospital, Melbourne VIC, Australia
| | - Wayne Hauw
- Australian Centre for Blood Diseases, Central Clinical School, Monash University, Alfred Hospital, Melbourne VIC, Australia
| | - Xiaowei Wang
- Atherothrombosis and Vascular Biology Laboratory, Baker Heart and Diabetes Institute, Melbourne, VIC, Australia.,Department of Cardiometabolic Health, University of Melbourne, Melbourne, VIC, Australia
| | - Karlheinz Peter
- Atherothrombosis and Vascular Biology Laboratory, Baker Heart and Diabetes Institute, Melbourne, VIC, Australia.,Department of Cardiometabolic Health, University of Melbourne, Melbourne, VIC, Australia
| | - Simon C Robson
- Harvard Medical School, Department of Medicine, Division of Gastroenterology, Boston, MA, United States
| | - Harshal H Nandurkar
- Australian Centre for Blood Diseases, Central Clinical School, Monash University, Alfred Hospital, Melbourne VIC, Australia
| | - Maithili Sashindranath
- Australian Centre for Blood Diseases, Central Clinical School, Monash University, Alfred Hospital, Melbourne VIC, Australia
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6
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Stokes J, Molina MS, Hoffman EA, Simpson RJ, Katsanis E. Immunomodulatory Effects of Bendamustine in Hematopoietic Cell Transplantation. Cancers (Basel) 2021; 13:1702. [PMID: 33916711 PMCID: PMC8038415 DOI: 10.3390/cancers13071702] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2021] [Revised: 03/25/2021] [Accepted: 04/01/2021] [Indexed: 12/22/2022] Open
Abstract
Bendamustine (BEN) is a unique alkylating agent with efficacy against a broad range of hematological malignancies, although investigations have only recently started to delve into its immunomodulatory effects. These immunomodulatory properties of BEN in the context of hematopoietic cell transplantation (HCT) are reviewed here. Pre- and post-transplant use of BEN in multiple murine models have consistently resulted in reduced GvHD and enhanced GvL, with significant changes to key immunological cell populations, including T-cells, myeloid derived suppressor cells (MDSCs), and dendritic cells (DCs). Further, in vitro studies find that BEN enhances the suppressive function of MDSCs, skews DCs toward cDC1s, enhances Flt3 expression on DCs, increases B-cell production of IL-10, inhibits STAT3 activation, and suppresses proliferation of T- and B-cells. Overall, BEN has a broad range of immunomodulatory effects that, as they are further elucidated, may be exploited to improve clinical outcomes. As such, clinical trials are currently underway investigating new potential applications of BEN in the setting of allogeneic HCT.
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Affiliation(s)
- Jessica Stokes
- Department of Pediatrics, University of Arizona, Tucson, AZ 85721, USA; (J.S.); (M.S.M.); (E.A.H.); (R.J.S.)
| | - Megan S. Molina
- Department of Pediatrics, University of Arizona, Tucson, AZ 85721, USA; (J.S.); (M.S.M.); (E.A.H.); (R.J.S.)
- Department of Immunobiology, University of Arizona, Tucson, AZ 85721, USA
| | - Emely A. Hoffman
- Department of Pediatrics, University of Arizona, Tucson, AZ 85721, USA; (J.S.); (M.S.M.); (E.A.H.); (R.J.S.)
| | - Richard J. Simpson
- Department of Pediatrics, University of Arizona, Tucson, AZ 85721, USA; (J.S.); (M.S.M.); (E.A.H.); (R.J.S.)
- Department of Immunobiology, University of Arizona, Tucson, AZ 85721, USA
- Department of Nutritional Sciences, University of Arizona, Tucson, AZ 85721, USA
- The University of Arizona Cancer Center, Tucson, AZ 85721, USA
| | - Emmanuel Katsanis
- Department of Pediatrics, University of Arizona, Tucson, AZ 85721, USA; (J.S.); (M.S.M.); (E.A.H.); (R.J.S.)
- Department of Immunobiology, University of Arizona, Tucson, AZ 85721, USA
- The University of Arizona Cancer Center, Tucson, AZ 85721, USA
- Department of Medicine, University of Arizona, Tucson, AZ 85721, USA
- Department of Pathology, University of Arizona, Tucson, AZ 85721, USA
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7
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Sofi MH, Wu Y, Ticer T, Schutt S, Bastian D, Choi HJ, Tian L, Mealer C, Liu C, Westwater C, Armeson KE, Alekseyenko AV, Yu XZ. A single strain of Bacteroides fragilis protects gut integrity and reduces GVHD. JCI Insight 2021; 6:136841. [PMID: 33554953 PMCID: PMC7934839 DOI: 10.1172/jci.insight.136841] [Citation(s) in RCA: 39] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2020] [Accepted: 12/16/2020] [Indexed: 12/20/2022] Open
Abstract
Graft-versus-host disease (GVHD) is a pathological process caused by an exaggerated donor lymphocyte response to host antigens after allogeneic hematopoietic cell transplantation (allo-HCT). Donor T cells undergo extensive clonal expansion and differentiation, which culminate in damage to recipient target organs. Damage to the gastrointestinal tract is a main contributor to morbidity and mortality. The loss of diversity among intestinal bacteria caused by pretransplant conditioning regimens leads to an outgrowth of opportunistic pathogens and exacerbated GVHD after allo-HCT. Using murine models of allo-HCT, we found that an increase of Bacteroides in the intestinal microbiota of the recipients was associated with reduced GVHD in mice given fecal microbial transplantation. Administration of Bacteroides fragilis through oral gavage increased gut microbiota diversity and beneficial commensal bacteria and significantly ameliorated acute and chronic GVHD development. Preservation of gut integrity following B. fragilis exposure was likely attributed to increased short chain fatty acids, IL-22, and regulatory T cells, which in turn improved gut tight junction integrity and reduced inflammatory cytokine production of pathogenic T cells. The current study provides a proof of concept that a single strain of commensal bacteria can be a safe and effective means to protect gut integrity and ameliorate GVHD after allo-HCT.
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Affiliation(s)
- M Hanief Sofi
- Department of Microbiology and Immunology, Hollings Cancer Center, College of Medicine, Medical University of South Carolina, Charleston, South Carolina, USA
| | - Yongxia Wu
- Department of Microbiology and Immunology, Hollings Cancer Center, College of Medicine, Medical University of South Carolina, Charleston, South Carolina, USA
| | - Taylor Ticer
- Department of Microbiology and Immunology, Hollings Cancer Center, College of Medicine, Medical University of South Carolina, Charleston, South Carolina, USA
| | - Steven Schutt
- Department of Microbiology and Immunology, Hollings Cancer Center, College of Medicine, Medical University of South Carolina, Charleston, South Carolina, USA
| | - David Bastian
- Department of Microbiology and Immunology, Hollings Cancer Center, College of Medicine, Medical University of South Carolina, Charleston, South Carolina, USA
| | - Hee-Jin Choi
- Department of Microbiology and Immunology, Hollings Cancer Center, College of Medicine, Medical University of South Carolina, Charleston, South Carolina, USA
| | - Linlu Tian
- Department of Microbiology and Immunology, Hollings Cancer Center, College of Medicine, Medical University of South Carolina, Charleston, South Carolina, USA
| | - Corey Mealer
- Department of Microbiology and Immunology, Hollings Cancer Center, College of Medicine, Medical University of South Carolina, Charleston, South Carolina, USA
| | - Chen Liu
- Department of Pathology, Yale School of Medicine, New Haven, Connecticut, USA
| | - Caroline Westwater
- Department of Microbiology and Immunology, Hollings Cancer Center, College of Medicine, Medical University of South Carolina, Charleston, South Carolina, USA.,Department of Oral Health Sciences, College of Dental Medicine, Medical University of South Carolina, Charleston, South Carolina, USA
| | - Kent E Armeson
- Biomedical Informatics Center and Department of Public Health Sciences, College of Medicine, and Department of Healthcare Leadership & Management, College of Public Health Sciences, Medical University of South Carolina, Charleston, South Carolina, USA
| | - Alexander V Alekseyenko
- Department of Oral Health Sciences, College of Dental Medicine, Medical University of South Carolina, Charleston, South Carolina, USA.,Biomedical Informatics Center and Department of Public Health Sciences, College of Medicine, and Department of Healthcare Leadership & Management, College of Public Health Sciences, Medical University of South Carolina, Charleston, South Carolina, USA
| | - Xue-Zhong Yu
- Department of Microbiology and Immunology, Hollings Cancer Center, College of Medicine, Medical University of South Carolina, Charleston, South Carolina, USA
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8
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Mehta M, Gohil D, Khattry N, Kumar R, Sandur S, Sharma D, Checker R, Agarwal B, Jha D, Majumdar A, Gota V. Prevention of acute graft-versus-host-disease by Withaferin a via suppression of AKT/mTOR pathway. Int Immunopharmacol 2020; 84:106575. [PMID: 32416453 DOI: 10.1016/j.intimp.2020.106575] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2020] [Revised: 04/21/2020] [Accepted: 05/06/2020] [Indexed: 11/18/2022]
Abstract
Acute Graft versus Host Disease (aGVHD) is a frequent and serious complication in patients receiving allogeneic bone marrow transplantation (allo-BMT) and often requires rigorous prophylaxis. The current treatment regimens for aGVHD are associated with several side effects which necessitates the development of novel interventions that prevent aGVHD without precluding graft-versus-tumor effects. In the present study, we show that treatment of donor graft with plant steroidal lactone Withaferin A (WA) prior to transplantation markedly reduced aGVHD mediated damage in target organs without compromising the graft-versus.-tumor activity of the transplanted lymphocytes. WA abrogated post-transplant cytokine storm associated with allo-activation of donor lymphocytes. This was attributed to the ability of WA to inhibit early signaling events in T-cell activation including lymphoblast formation and activation of AKT/mTOR pathway. Mortality and morbidity related to allo-transplantation was significantly reduced in recipients of WA treated donor splenocytes compared to recipient of vehicle treated donor splenocytes. Further, WA treatment did not have any effect on reconstitution of lymphoid and myeloid lineages in recipients, resulting in stable and complete donor chimerism. In agreement with previous reports showing the effectiveness of WA in a mouse model of partial chimerism, our data further establishes that WA is able to attenuate aGVHD in an MHC-mismatched high dose chemo-conditioned murine model without compromising engraftment. This study provides compelling scientific basis for possible application of WA for prevention and treatment of aGVHD in patients receiving allo-BMT.
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Affiliation(s)
- Miten Mehta
- Department of Pharmacology and Toxicology, Bombay College of Pharmacy, Mumbai, India; Clinical Pharmacology laboratory, Advanced Centre for Treatment Research and Education in Cancer, Tata Memorial Centre, Navi Mumbai, India
| | - Dievya Gohil
- Clinical Pharmacology laboratory, Advanced Centre for Treatment Research and Education in Cancer, Tata Memorial Centre, Navi Mumbai, India
| | - Navin Khattry
- Department of Medical Oncology, Tata Memorial Centre, Mumbai, India
| | - Rajiv Kumar
- Department of Pathology, Tata Memorial Hospital, Mumbai, India
| | - Santosh Sandur
- Radiation Biology & Health Science Division, Bio-science Group, Bhabha Atomic Research Centre, Mumbai, India
| | - Deepak Sharma
- Radiation Biology & Health Science Division, Bio-science Group, Bhabha Atomic Research Centre, Mumbai, India
| | - Rahul Checker
- Radiation Biology & Health Science Division, Bio-science Group, Bhabha Atomic Research Centre, Mumbai, India
| | - Beamon Agarwal
- Department of Hematopathology, Montefiore Medical Centre, New York, NY, United States
| | - Dhruv Jha
- Birla Institute of Technology, Mesra Ranchi, Ranchi, India
| | - Anuradha Majumdar
- Department of Pharmacology and Toxicology, Bombay College of Pharmacy, Mumbai, India
| | - Vikram Gota
- Clinical Pharmacology laboratory, Advanced Centre for Treatment Research and Education in Cancer, Tata Memorial Centre, Navi Mumbai, India.
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9
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Amin R, He R, Gupta D, Zheng W, Burmakin M, Mohammad DK, DePierre JW, Sadeghi B, Olauson H, Wernerson A, El-Andaloussi S, Hassan M, Abedi-Valugerdi M. The kidney injury caused by the onset of acute graft-versus-host disease is associated with down-regulation of αKlotho. Int Immunopharmacol 2020; 78:106042. [DOI: 10.1016/j.intimp.2019.106042] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2019] [Revised: 10/24/2019] [Accepted: 11/08/2019] [Indexed: 12/11/2022]
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10
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Sadeghi B, Moretti G, Arnberg F, Samén E, Kohein B, Catar R, Kamhieh-Milz J, Geissler S, Moll G, Holmin S, Ringdén O. Preclinical Toxicity Evaluation of Clinical Grade Placenta-Derived Decidua Stromal Cells. Front Immunol 2019; 10:2685. [PMID: 31803191 PMCID: PMC6877599 DOI: 10.3389/fimmu.2019.02685] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2019] [Accepted: 10/31/2019] [Indexed: 12/24/2022] Open
Abstract
Placenta-derived decidua stromal cells (DSCs) are being investigated as an alternative to other sources of mesenchymal stromal cells (MSCs) for cellular therapy. DSCs are more effective in treating acute inflammatory diseases in human and this is our preclinical safety study of human DSCs in Sprague-Dawley rats and Balb/c mice. Human DSCs were cultured and expanded from fetal membranes obtained from placentas following cesarean section. In rats, 0.5 × 106 cells/kg were injected intravenously (n = 4) or intra-aortal (n = 4). In mice, DSCs were given intravenously at doses ranging from 4–40 × 106 cells/kg (total of n = 120 mice). In vivo tracking of human cells in mice was performed by using transduced DSC with luciferin gene, and in rats by using 18F-FDG PET. Clotting parameters were determined in vitro and in vivo. All intra-arterially DSC-treated rats had normal motility and behavior and histological examination was normal for liver, spleen kidneys and thigh muscles. Mice treated with DSCs showed no immediate or long-term side effects. None of the mice died or showed acute toxicity or adverse reactions 3 and 30 days after DSC infusion. Murine blood biochemistry profiles related to liver, kidney, heart, and inflammatory indices was not influenced by DSC infusion and complete blood counts were normal. In vivo tracking of infused DSCs detected a signal in the lungs for up to 4 days post infusion. Compared to bone marrow derived MSCs, the DSCs had better viability, smaller size, but stronger clotting in human blood and plasma. Both MSC- and DSC-induced coagulation and complement activation markers, thrombin-anti-thrombin complex (TAT) and C3a, and in vitro clotting parameters were decreased by heparin supplementation. In conclusion, DSCs are safe with almost no side effects even with doses 40 times higher than are used clinically, particularly when supplemented with low-dose heparin.
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Affiliation(s)
- Behnam Sadeghi
- Translational Cell Therapy Research (TCR), Department of Clinical Science Intervention and Technology (CLINTEC), Karolinska Institutet and Karolinska University Hospital, Stockholm, Sweden
| | - Gianluca Moretti
- Translational Cell Therapy Research (TCR), Department of Clinical Science Intervention and Technology (CLINTEC), Karolinska Institutet and Karolinska University Hospital, Stockholm, Sweden
| | - Fabian Arnberg
- Department of Clinical Neuroscience, Karolinska Institutet and Karolinska University Hospital, Stockholm, Sweden.,Department of Neuroradiology, Karolinska Institutet and Karolinska University Hospital, Stockholm, Sweden
| | - Erik Samén
- Department of Clinical Neuroscience, Karolinska Institutet and Karolinska University Hospital, Stockholm, Sweden.,Department of Neuroradiology, Karolinska Institutet and Karolinska University Hospital, Stockholm, Sweden.,Department of Radiopharmacy, Karolinska Institutet and Karolinska University Hospital, Stockholm, Sweden
| | - Bita Kohein
- Translational Cell Therapy Research (TCR), Department of Clinical Science Intervention and Technology (CLINTEC), Karolinska Institutet and Karolinska University Hospital, Stockholm, Sweden
| | - Rusan Catar
- Department of Nephrology and Internal Intensive Care Medicine, Charité-Universitätsmedizin Berlin, Corporate Member of Freie-Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health (BIH), Berlin, Germany.,Berlin Institute of Health (BIH), Berlin, Germany
| | - Julian Kamhieh-Milz
- Department of Transfusion Medicine, Charité-Universitätsmedizin Berlin, Corporate Member of Freie-Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health (BIH), Berlin, Germany
| | - Sven Geissler
- BIH Center for Regenerative Therapies (BCRT), Charité-Universitätsmedizin Berlin, Corporate Member of Freie-Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health (BIH), Berlin, Germany.,Julius Wolff Institute (JWI), Charité-Universitätsmedizin Berlin, Corporate Member of Freie-Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health (BIH), Berlin, Germany
| | - Guido Moll
- Department of Nephrology and Internal Intensive Care Medicine, Charité-Universitätsmedizin Berlin, Corporate Member of Freie-Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health (BIH), Berlin, Germany.,BIH Center for Regenerative Therapies (BCRT), Charité-Universitätsmedizin Berlin, Corporate Member of Freie-Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health (BIH), Berlin, Germany.,Berlin-Brandenburg School for Regenerative Therapies (BSRT), Charité-Universitätsmedizin Berlin, Corporate Member of Freie-Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health (BIH), Berlin, Germany
| | - Staffan Holmin
- Department of Clinical Neuroscience, Karolinska Institutet and Karolinska University Hospital, Stockholm, Sweden.,Department of Neuroradiology, Karolinska Institutet and Karolinska University Hospital, Stockholm, Sweden
| | - Olle Ringdén
- Translational Cell Therapy Research (TCR), Department of Clinical Science Intervention and Technology (CLINTEC), Karolinska Institutet and Karolinska University Hospital, Stockholm, Sweden
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11
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A novel mouse model of acute graft-versus-host disease based on chemotherapy conditioning and G-CSF mobilized graft. Bone Marrow Transplant 2019; 55:570-577. [PMID: 31558787 DOI: 10.1038/s41409-019-0700-4] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2019] [Revised: 08/20/2019] [Accepted: 08/23/2019] [Indexed: 11/08/2022]
Abstract
Acute graft-versus-host disease (aGVHD) is an important complication of allogeneic hematopoietic cell transplantation (HCT). The majority of aGVHD mouse models are based on radiation conditioning and bone marrow as graft, despite that most allo-HCTs performed now in clinic are based on chemotherapy conditioning and G-CSF mobilized graft. Aiming for a higher translational value, we constructed an MHC major mismatched [C57BL/6 (H-2 Kb) to BALB/c (H-2Kd)] aGVHD mouse model based on busulfan/cyclophosphomide (BU-CY) conditioning and human G-CSF mobilized splenocytes as graft. Allogeneic transplanted mice showed quick and profound donor engraftment. Moreover, there were quick onset (day +7) of typical clinical and histopathological signs of aGVHD, which gradually developed to extensive aGVHD. In addition, CD8+ T cells were the main aGVHD contributing T-cell subtype. No toxicity or GVHD signs were observed in the syngeneic setting. This clinical-relevant model offers a promising platform for future studies on aGVHD.
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12
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Cho KA, Kim YH, Park M, Kim HJ, Woo SY, Park JW, Ryu KH. Conditioned medium from human palatine tonsil mesenchymal stem cells attenuates acute graft‑vs.‑host disease in mice. Mol Med Rep 2018; 19:609-616. [PMID: 30431127 DOI: 10.3892/mmr.2018.9659] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2018] [Accepted: 11/09/2018] [Indexed: 11/06/2022] Open
Abstract
Graft-vs.-host disease (GVHD) is a severe and potentially life-threatening complication of hematopoietic stem cell transplantation. Approximately 50% of patients exhibiting GVHD will not benefit from conventional steroid treatment. Although several second‑line treatments are available for these patients, their prognoses remain poor due to the increased risk of infection, immunosuppression-mediated toxicity and incomplete GVHD remission, which occurs in the majority of cases. Mesenchymal stem cells (MSCs), a multipotent cell population, possess broad immunosuppressive activity and are a reportedly effective treatment of GVHD. However, the therapeutic effects of conditioned medium from MSCs on GVHD have not been demonstrated. In the present study, the efficacy of conditioned medium from human palatine tonsil‑derived MSCs (T‑MSC‑CM) was validated against GVHD in mice. The suppressive function of T‑MSC‑CM on immune cell chemotaxis was confirmed in vitro. A systemic infusion of T‑MSC‑CM in mice with GVHD resulted in prolonged survival, rapid recovery from weight loss and reduced pathological damage in numerous GVHD‑targeted organs. Furthermore, lymphocyte gene expression was significantly downregulated in GVHD mice administered T‑MSC‑CM. These results indicate that T‑MSC‑CM is a promising cellular agent to prevent or treat transplantation‑associated complications such as GVHD.
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Affiliation(s)
- Kyung-Ah Cho
- Department of Microbiology, College of Medicine, Ewha Womans University, Seoul 07985, Republic of Korea
| | - Yu-Hee Kim
- Department of Microbiology, College of Medicine, Ewha Womans University, Seoul 07985, Republic of Korea
| | - Minhwa Park
- Department of Microbiology, College of Medicine, Ewha Womans University, Seoul 07985, Republic of Korea
| | - Hye Ji Kim
- Department of Microbiology, College of Medicine, Ewha Womans University, Seoul 07985, Republic of Korea
| | - So-Youn Woo
- Department of Microbiology, College of Medicine, Ewha Womans University, Seoul 07985, Republic of Korea
| | - Joo-Won Park
- Department of Biochemistry, College of Medicine, Ewha Womans University, Seoul 07985, Republic of Korea
| | - Kyung-Ha Ryu
- Department of Pediatrics, College of Medicine, Ewha Womans University, Seoul 07985, Republic of Korea
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13
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Ogasawara R, Hashimoto D, Kimura S, Hayase E, Ara T, Takahashi S, Ohigashi H, Yoshioka K, Tateno T, Yokoyama E, Ebata K, Kondo T, Sugita J, Onozawa M, Iwanaga T, Teshima T. Intestinal Lymphatic Endothelial Cells Produce R-Spondin3. Sci Rep 2018; 8:10719. [PMID: 30013036 PMCID: PMC6048029 DOI: 10.1038/s41598-018-29100-7] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2018] [Accepted: 07/03/2018] [Indexed: 02/08/2023] Open
Abstract
The R-Spondin (R-Spo) family regulates WNT signaling and stimulates the proliferation and differentiation of intestinal stem cells (ISCs). R-Spo plays a critical role in maintaining intestinal homeostasis, but endogenous producers of R-Spo in the intestine remain to be investigated. We found that R-Spo3 was the major R-Spo family member produced in the intestine and it was predominantly produced by CD45−CD90+CD31+ lymphatic endothelial cells (LECs) in the lamina propria of the intestinal mucosa. Transcriptome analysis demonstrated that LECs highly expressed R-Spo receptor, Lgr5, suggesting an autocrine stimulatory loop in LECs. LECs were significantly reduced in number, and their R-Spo3 production was impaired in intestinal graft-versus-host disease (GVHD) after allogeneic hematopoietic stem cell transplantation. The impaired production of R-Spo3 in the intestine may be a novel mechanism of delayed tissue repair and defective mucosal defense in intestinal GVHD. We demonstrate a novel role of intestinal LECs in producing R-Spondin3 to maintain intestinal homeostasis.
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Affiliation(s)
- Reiki Ogasawara
- Department of Hematology, Hokkaido University Faculty of Medicine and Graduate School of Medicine, Sapporo, Japan
| | - Daigo Hashimoto
- Department of Hematology, Hokkaido University Faculty of Medicine and Graduate School of Medicine, Sapporo, Japan.
| | - Shunsuke Kimura
- Laboratory of Histology and Cytology, Department of Anatomy, Hokkaido University Graduate School of Medicine, Sapporo, Japan
| | - Eiko Hayase
- Department of Hematology, Hokkaido University Faculty of Medicine and Graduate School of Medicine, Sapporo, Japan
| | - Takahide Ara
- Department of Hematology, Hokkaido University Faculty of Medicine and Graduate School of Medicine, Sapporo, Japan
| | - Shuichiro Takahashi
- Department of Hematology, Hokkaido University Faculty of Medicine and Graduate School of Medicine, Sapporo, Japan
| | - Hiroyuki Ohigashi
- Department of Hematology, Hokkaido University Faculty of Medicine and Graduate School of Medicine, Sapporo, Japan
| | - Kosuke Yoshioka
- Department of Hematology, Hokkaido University Faculty of Medicine and Graduate School of Medicine, Sapporo, Japan
| | - Takahiro Tateno
- Department of Hematology, Hokkaido University Faculty of Medicine and Graduate School of Medicine, Sapporo, Japan
| | - Emi Yokoyama
- Department of Hematology, Hokkaido University Faculty of Medicine and Graduate School of Medicine, Sapporo, Japan
| | - Ko Ebata
- Department of Hematology, Hokkaido University Faculty of Medicine and Graduate School of Medicine, Sapporo, Japan
| | - Takeshi Kondo
- Department of Hematology, Hokkaido University Faculty of Medicine and Graduate School of Medicine, Sapporo, Japan
| | - Junichi Sugita
- Department of Hematology, Hokkaido University Faculty of Medicine and Graduate School of Medicine, Sapporo, Japan
| | - Masahiro Onozawa
- Department of Hematology, Hokkaido University Faculty of Medicine and Graduate School of Medicine, Sapporo, Japan
| | - Toshihiko Iwanaga
- Laboratory of Histology and Cytology, Department of Anatomy, Hokkaido University Graduate School of Medicine, Sapporo, Japan
| | - Takanori Teshima
- Department of Hematology, Hokkaido University Faculty of Medicine and Graduate School of Medicine, Sapporo, Japan.
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14
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El-Serafi I, Terelius Y, Abedi-Valugerdi M, Naughton S, Saghafian M, Moshfegh A, Mattsson J, Potácová Z, Hassan M. Flavin-containing monooxygenase 3 (FMO3) role in busulphan metabolic pathway. PLoS One 2017; 12:e0187294. [PMID: 29121650 PMCID: PMC5679629 DOI: 10.1371/journal.pone.0187294] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2017] [Accepted: 10/17/2017] [Indexed: 12/21/2022] Open
Abstract
Busulphan (Bu) is an alkylating agent used in the conditioning regimen prior to hematopoietic stem cell transplantation (HSCT). Bu is extensively metabolized in the liver via conjugations with glutathione to form the intermediate metabolite (sulfonium ion) which subsequently is degraded to tetrahydrothiophene (THT). THT was reported to be oxidized forming THT-1-oxide that is further oxidized to sulfolane and finally 3-hydroxysulfolane. However, the underlying mechanisms for the formation of these metabolites remain poorly understood. In the present study, we performed in vitro and in vivo investigations to elucidate the involvement of flavin-containing monooxygenase-3 (FMO3) and cytochrome P450 enzymes (CYPs) in Bu metabolic pathway. Rapid clearance of THT was observed when incubated with human liver microsomes. Furthermore, among different recombinant microsomal enzymes, the highest intrinsic clearance for THT was obtained via FMO3 followed by several CYPs including 2B6, 2C8, 2C9, 2C19, 2E1 and 3A4. In Bu- or THT-treated mice, inhibition of FMO3 by phenylthiourea significantly suppressed the clearance of both Bu and THT. Moreover, the simultaneous administration of a high dose of THT (200μmol/kg) to Bu-treated mice reduced the clearance of Bu. Consistently, in patients undergoing HSCT, repeated administration of Bu resulted in a significant up-regulation of FMO3 and glutathione-S-transfrase -1 (GSTA1) genes. Finally, in a Bu-treated patient, additional treatment with voriconazole (an antimycotic drug known as an FMO3-substrate) significantly altered the Bu clearance. In conclusion, we demonstrate for the first time that FMO3 along with CYPs contribute a major part in busulphan metabolic pathway and certainly can affect its kinetics. The present results have high clinical impact. Furthermore, these findings might be important for reducing the treatment-related toxicity of Bu, through avoiding interaction with other concomitant used drugs during conditioning and hence improving the clinical outcomes of HSCT.
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Affiliation(s)
- Ibrahim El-Serafi
- Experimental Cancer Medicine (ECM), Clinical Research Centre (KFC), Department of Laboratory Medicine, Karolinska Institutet, Huddinge, Stockholm, Sweden
| | - Ylva Terelius
- Experimental Cancer Medicine (ECM), Clinical Research Centre (KFC), Department of Laboratory Medicine, Karolinska Institutet, Huddinge, Stockholm, Sweden
| | - Manuchehr Abedi-Valugerdi
- Experimental Cancer Medicine (ECM), Clinical Research Centre (KFC), Department of Laboratory Medicine, Karolinska Institutet, Huddinge, Stockholm, Sweden
| | - Seán Naughton
- Experimental Cancer Medicine (ECM), Clinical Research Centre (KFC), Department of Laboratory Medicine, Karolinska Institutet, Huddinge, Stockholm, Sweden
| | - Maryam Saghafian
- Experimental Cancer Medicine (ECM), Clinical Research Centre (KFC), Department of Laboratory Medicine, Karolinska Institutet, Huddinge, Stockholm, Sweden
| | - Ali Moshfegh
- Cancer Center of Karolinska (CCK), Department of Oncology-Pathology, Karolinska Institutet, Solna, Stockholm, Sweden
| | - Jonas Mattsson
- Centre for Allogeneic Stem Cell Transplantation, Karolinska University Hospital-Huddinge, Stockholm, Sweden.,Department of Oncology and Pathology, Karolinska Institutet, Solna, Stockholm, Sweden
| | - Zuzana Potácová
- Experimental Cancer Medicine (ECM), Clinical Research Centre (KFC), Department of Laboratory Medicine, Karolinska Institutet, Huddinge, Stockholm, Sweden.,ECM, Clinical Research Centre (KFC), Novum, Karolinska University Hospital, Huddinge, Sweden
| | - Moustapha Hassan
- Experimental Cancer Medicine (ECM), Clinical Research Centre (KFC), Department of Laboratory Medicine, Karolinska Institutet, Huddinge, Stockholm, Sweden.,ECM, Clinical Research Centre (KFC), Novum, Karolinska University Hospital, Huddinge, Sweden
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15
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Conditioning with Fludarabine-Busulfan versus Busulfan-Cyclophosphamide Is Associated with Lower aGVHD and Higher Survival but More Extensive and Long Standing Bone Marrow Damage. BIOMED RESEARCH INTERNATIONAL 2016; 2016:3071214. [PMID: 27843940 PMCID: PMC5098055 DOI: 10.1155/2016/3071214] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/29/2016] [Revised: 08/15/2016] [Accepted: 09/18/2016] [Indexed: 11/18/2022]
Abstract
Acute graft-versus-host disease (aGVHD) is a major complication of allogeneic hematopoietic stem cell transplantation (allo-HSCT) and a major cause of nonrelapse mortality after allo-HSCT. A conditioning regimen plays a pivotal role in the development of aGVHD. To provide a platform for studying aGVHD and evaluating the impact of different conditioning regimens, we established a murine aGVHD model that simulates the clinical situation and can be conditioned with Busulfan-Cyclophosphamide (Bu-Cy) and Fludarabine-Busulfan (Flu-Bu). In our study, BALB/c mice were conditioned with Bu-Cy or Flu-Bu and transplanted with 2 × 107 bone marrow cells and 2 × 107 splenocytes from either allogeneic (C57BL/6) or syngeneic (BALB/c) donors. The allogeneic recipients conditioned with Bu-Cy had shorter survivals (P < 0.05), more severe clinical manifestations, and higher hepatic and intestinal pathology scores, associated with increased INF-γ expression and diminished IL-4 expression in serum, compared to allogeneic recipients conditioned with Flu-Bu. Moreover, higher donor-derived T-cell infiltration and severely impaired B-cell development were seen in the bone marrow of mice, exhibiting aGVHD and conditioned with Flu-Bu. Our study showed that the conditioning regimen with Bu-Cy resulted in more severe aGVHD while the Flu-Bu regimen was associated with more extensive and long standing bone marrow damage.
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16
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Boieri M, Shah P, Dressel R, Inngjerdingen M. The Role of Animal Models in the Study of Hematopoietic Stem Cell Transplantation and GvHD: A Historical Overview. Front Immunol 2016; 7:333. [PMID: 27625651 PMCID: PMC5003882 DOI: 10.3389/fimmu.2016.00333] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2016] [Accepted: 08/18/2016] [Indexed: 12/13/2022] Open
Abstract
Bone marrow transplantation (BMT) is the only therapeutic option for many hematological malignancies, but its applicability is limited by life-threatening complications, such as graft-versus-host disease (GvHD). The last decades have seen great advances in the understanding of BMT and its related complications; in particular GvHD. Animal models are beneficial to study complex diseases, as they allow dissecting the contribution of single components in the development of the disease. Most of the current knowledge on the therapeutic mechanisms of BMT derives from studies in animal models. Parallel to BMT, the understanding of the pathophysiology of GvHD, as well as the development of new treatment regimens, has also been supported by studies in animal models. Pre-clinical experimentation is the basis for deep understanding and successful improvements of clinical applications. In this review, we retrace the history of BMT and GvHD by describing how the studies in animal models have paved the way to the many advances in the field. We also describe how animal models contributed to the understanding of GvHD pathophysiology and how they are fundamental for the discovery of new treatments.
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Affiliation(s)
- Margherita Boieri
- Department of Molecular Medicine, Institute of Basic Medical Sciences, University of Oslo, Oslo, Norway; Department of Immunology, Oslo University Hospital, Oslo, Norway
| | - Pranali Shah
- Institute of Cellular and Molecular Immunology, University Medical Center Göttingen , Göttingen , Germany
| | - Ralf Dressel
- Institute of Cellular and Molecular Immunology, University Medical Center Göttingen , Göttingen , Germany
| | - Marit Inngjerdingen
- Department of Molecular Medicine, Institute of Basic Medical Sciences, University of Oslo, Oslo, Norway; Department of Immunology, Oslo University Hospital, Oslo, Norway
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17
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Sadeghi B, Heshmati Y, Khoein B, Kaipe H, Uzunel M, Walfridsson J, Ringdén O. Xeno-immunosuppressive properties of human decidual stromal cells in mouse models of alloreactivity in vitro and in vivo. Cytotherapy 2015; 17:1732-45. [DOI: 10.1016/j.jcyt.2015.09.001] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2015] [Revised: 08/20/2015] [Accepted: 09/03/2015] [Indexed: 01/26/2023]
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18
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Riesner K, Kalupa M, Shi Y, Elezkurtaj S, Penack O. A preclinical acute GVHD mouse model based on chemotherapy conditioning and MHC-matched transplantation. Bone Marrow Transplant 2015; 51:410-7. [PMID: 26595081 DOI: 10.1038/bmt.2015.279] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2015] [Revised: 10/12/2015] [Accepted: 10/16/2015] [Indexed: 12/31/2022]
Abstract
Animal disease models have been criticized for lack of resemblance to human illnesses, hampering transfer of knowledge from preclinical research to clinical medicine. In the field of allogeneic hematopoietic stem cell transplantation (allo-HSCT), it is standard practice to study GVHD in lethal TBI-based murine models. Frequently, MHC-mismatched donors are used in GVHD models. In contrast, in clinical allo-HSCT conditioning with chemotherapy (+/-TBI) is common and donors are often MHC-matched. Aiming at a more clinically oriented situation, we established and characterized a murine MHC-matched, minor histocompatibility antigen mismatched GVHD model (LP/J [H2k(b)]-->C57BL/6 [H2k(b)]) using busulfan and cyclophosphamide conditioning. We found typical clinical and histological features of acute GVHD. T-cell infiltration, GVHD-specific damage and systemic inflammation were similar to observations made in patients after allo-HSCT. In survivors of acute GVHD, we found expansion of CD4+ T cells and the development of scleroderma-like chronic GVHD. The use of chemotherapy-based, minor histocompatibility antigen (miHA)-mismatched GVHD animal models may be a good option when studying clinically relevant questions in the field of allo-HSCT.
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Affiliation(s)
- K Riesner
- Department of Hematology, Oncology and Tumor Immunology, Charité University Medicine, Berlin, Germany
| | - M Kalupa
- Department of Hematology, Oncology and Tumor Immunology, Charité University Medicine, Berlin, Germany
| | - Y Shi
- Department of Hematology, Oncology and Tumor Immunology, Charité University Medicine, Berlin, Germany
| | - S Elezkurtaj
- Institute for Pathology, Charité University Medicine, Berlin, Germany
| | - O Penack
- Department of Hematology, Oncology and Tumor Immunology, Charité University Medicine, Berlin, Germany
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19
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Li N, Hu W, Li X, Yang W, Chen P, Chen Y. [Establishment of a graft-versus-host disease mouse model for haplo-identical bone marrow transplantation with busulfan and fludarabine conditioning regimen]. ZHONGHUA XUE YE XUE ZA ZHI = ZHONGHUA XUEYEXUE ZAZHI 2015; 36:238-40. [PMID: 25854470 PMCID: PMC7342505 DOI: 10.3760/cma.j.issn.0253-2727.2015.03.014] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Download PDF] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
Affiliation(s)
- Nainong Li
- Department of Hematology, Fujian Institute of Hematology, Fujian Provincial Key Laboratory of Hematoloy, Fujian Medical University Union Hospital, Fuzhou 350000, China
| | - Wanyu Hu
- Department of Hematology, Fujian Institute of Hematology, Fujian Provincial Key Laboratory of Hematoloy, Fujian Medical University Union Hospital, Fuzhou 350000, China
| | - Xiaofan Li
- Department of Hematology, Fujian Institute of Hematology, Fujian Provincial Key Laboratory of Hematoloy, Fujian Medical University Union Hospital, Fuzhou 350000, China
| | - Wen Yang
- Department of Hematology, Fujian Institute of Hematology, Fujian Provincial Key Laboratory of Hematoloy, Fujian Medical University Union Hospital, Fuzhou 350000, China
| | - Ping Chen
- Department of Hematology, Fujian Institute of Hematology, Fujian Provincial Key Laboratory of Hematoloy, Fujian Medical University Union Hospital, Fuzhou 350000, China
| | - Yuanzhong Chen
- Department of Hematology, Fujian Institute of Hematology, Fujian Provincial Key Laboratory of Hematoloy, Fujian Medical University Union Hospital, Fuzhou 350000, China
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20
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Yuan L, Chen X, Qian L, Shen J, Cai J. Administration of hydrogen-rich saline in mice with allogeneic hematopoietic stem-cell transplantation. Med Sci Monit 2015; 21:749-54. [PMID: 25763677 PMCID: PMC4367861 DOI: 10.12659/msm.891338] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022] Open
Abstract
Background Hydrogen, as a novel antioxidant, has been shown to selectively reduce the level of hydroxyl radicals and alleviate acute oxidative stress in many animal experiments. Hydrogen-rich saline provides a high concentration of hydrogen that can be easily and safely applied. Allogeneic hematopoietic stem-cell transplantation (HSCT) has been the most curative therapy for hematological malignancies. However, acute graft-versus-host disease (aGVHD) is the main cause of death in post-transplantation patients. In this study, we examined whether hydrogen-rich saline would show favorable effects on acute GVHD in mice. Material/Methods After lethal irradiation, BALB/c mice received bone marrow transplantation from C57BL/6 mice. Hydrogen-rich saline (5 ml/kg) was given to recipient mice in the hydrogen group once a day by intraperitoneal injection, and saline (5 ml/kg) was given to recipient mice in the saline group. Survival rates were monitored, clinical and pathological scores of aGVHD were determined after bone marrow transplantation (BMT), and the serum cytokine levels were examined on the 7th day after BMT. Result This study proves that hydrogen-rich saline increased the survival rate, reduced clinical and histopathological scores of aGVHD, promoted the recovery of white blood cells, reduced the serum cytokine levels, and reversed tissue damage after transplantation in mice. Conclusions Hydrogen has potential as an effective and safe therapeutic agent in aGVHD.
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Affiliation(s)
- Lijuan Yuan
- Department of Hematology, Navy General Hospital, Beijing, China (mainland)
| | - Xiaoping Chen
- Department of Hematology, Navy General Hospital, Beijing, China (mainland)
| | - Liren Qian
- Department of Hematology, Navy General Hospital, Beijing, China (mainland)
| | - Jianliang Shen
- Department of Hematology, Navy General Hospital, Beijing, China (mainland)
| | - Jianming Cai
- Department of Radiation Medicine, Faculty of Naval Medicine, 2nd Military Medical University, Shanghai, China (mainland)
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21
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Long-Term Tolerance and Skin Allograft Survival in CD200tg Mice After Autologous Marrow Transplantation. Transplantation 2014; 98:1271-8. [DOI: 10.1097/tp.0000000000000456] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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22
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Hülsdünker J, Zeiser R. Insights into the pathogenesis of GvHD: what mice can teach us about man. ACTA ACUST UNITED AC 2014; 85:2-9. [PMID: 25532439 DOI: 10.1111/tan.12497] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
Abstract
Acute graft-vs-host disease (GvHD) is a life-threatening complication of allogeneic hematopoietic cell transplantation (allo-HCT). Most of the knowledge about the biology of GvHD is derived from mouse models of this disease and therefore a critical analysis of potential advantages and disadvantages of the murine GvHD models is important to classify and understand the findings made in these models. The central events leading up to GvHD were characterized in three phases which includes the tissue damage-phase, the T cell priming-phase and the effector-phase, when the disease becomes clinically overt. The role of individual cytokines, chemokines, transcription factor or receptors was studied in these models by using gene deficient or transgenic mice in the donor or recipient compartments. Besides, numerous studies have been performed in these models to prevent or treat GvHD. Several recent clinical trials were all based on previously reported findings from the mouse model of GvHD such as the trials on CCR5-blockade, donor statin treatment, vorinostat treatment or adoptive transfer of regulatory T cells for GvHD prevention. The different mouse models for GvHD and graft-vs-leukemia effects are critically reviewed and their impact on current clinical practice is discussed.
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Affiliation(s)
- J Hülsdünker
- Department of Hematology, Oncology and Stem Cell Transplantation, Freiburg University Medical Center, Albert Ludwigs University Freiburg, Freiburg, Germany; Spemann Graduate School of Biology and Medicine (SGBM), University of Freiburg, Freiburg, Germany; Faculty of Biology, University of Freiburg, Freiburg, Germany
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23
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Wang F, Shen Y, Tsuru E, Yamashita T, Baba N, Tsuda M, Maeda N, Sagara Y. Syngeneic transplantation of newborn splenocytes in a murine model of neonatal ischemia-reperfusion brain injury. J Matern Fetal Neonatal Med 2014; 28:842-7. [PMID: 24939627 DOI: 10.3109/14767058.2014.935327] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
OBJECTIVE Neonatal hypoxic-ischemic encephalopathy (HIE) is caused by brain injury that occurs in a developing fetus or infant. Stem cell transplantation can reportedly induce functional recovery in animal models of HIE. Murine neonatal splenocytes are enriched with immature blood stem cells and are used for the investigation of murine models of syngeneic transplantation. The aim of this study was to investigate the therapeutic potential of newborn splenocytes in a murine model of neonatal ischemia-reperfusion brain injury. METHODS C57BL/6N mice (postnatal day 7) underwent right common carotid artery occlusion with an aneurysm clip. Following hypoxic exposure, reperfusion was achieved by unclamping the artery. Newborn splenocytes were transplanted intravenously at 3 weeks after injury. RESULTS The splenocytes transplanted group tended to show an improvement in behavioral tests, but it was not significantly different compared with the control groups. The transplanted cells were localized in various organs including injured brain tissue over 3 weeks. In the penumbra region of the brain, vascular endothelial growth factor (VEGF) expression was upregulated after transplantation. CONCLUSIONS These results showed that syngeneic transplantation of newborn splenocytes achieved the long-term survival of the grafts and exerted influence the microenvironment in the injured brains of mice.
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Affiliation(s)
- Feifei Wang
- Center for Innovative and Translational Medicine, Kochi University Medical School , Nankoku, Kochi , Japan
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24
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Schwab L, Goroncy L, Palaniyandi S, Gautam S, Triantafyllopoulou A, Mocsai A, Reichardt W, Karlsson FJ, Radhakrishnan SV, Hanke K, Schmitt-Graeff A, Freudenberg M, von Loewenich FD, Wolf P, Leonhardt F, Baxan N, Pfeifer D, Schmah O, Schönle A, Martin SF, Mertelsmann R, Duyster J, Finke J, Prinz M, Henneke P, Häcker H, Hildebrandt GC, Häcker G, Zeiser R. Neutrophil granulocytes recruited upon translocation of intestinal bacteria enhance graft-versus-host disease via tissue damage. Nat Med 2014; 20:648-54. [PMID: 24836575 DOI: 10.1038/nm.3517] [Citation(s) in RCA: 201] [Impact Index Per Article: 20.1] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2013] [Accepted: 03/03/2014] [Indexed: 12/15/2022]
Abstract
Acute graft-versus-host disease (GVHD) considerably limits wider usage of allogeneic hematopoietic cell transplantation (allo-HCT). Antigen-presenting cells and T cells are populations customarily associated with GVHD pathogenesis. Of note, neutrophils are the largest human white blood cell population. The cells cleave chemokines and produce reactive oxygen species, thereby promoting T cell activation. Therefore, during an allogeneic immune response, neutrophils could amplify tissue damage caused by conditioning regimens. We analyzed neutrophil infiltration of the mouse ileum after allo-HCT by in vivo myeloperoxidase imaging and found that infiltration levels were dependent on the local microbial flora and were not detectable under germ-free conditions. Physical or genetic depletion of neutrophils reduced GVHD-related mortality. The contribution of neutrophils to GVHD severity required reactive oxygen species (ROS) because selective Cybb (encoding cytochrome b-245, beta polypeptide, also known as NOX2) deficiency in neutrophils impairing ROS production led to lower levels of tissue damage, GVHD-related mortality and effector phenotype T cells. Enhanced survival of Bcl-xL transgenic neutrophils increased GVHD severity. In contrast, when we transferred neutrophils lacking Toll-like receptor-2 (TLR2), TLR3, TLR4, TLR7 and TLR9, which are normally less strongly activated by translocating bacteria, into wild-type C57BL/6 mice, GVHD severity was reduced. In humans, severity of intestinal GVHD strongly correlated with levels of neutrophils present in GVHD lesions. This study describes a new potential role for neutrophils in the pathogenesis of GVHD in both mice and humans.
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Affiliation(s)
- Lukas Schwab
- 1] Department of Hematology and Oncology, University Medical Center, Freiburg, Germany. [2]
| | - Luise Goroncy
- 1] Department of Hematology and Oncology, University Medical Center, Freiburg, Germany. [2] Faculty of Biology, Albert-Ludwigs-University, Freiburg, Germany. [3]
| | - Senthilnathan Palaniyandi
- 1] Division of Hematology and Oncology, Louisiana State University Health Sciences Center Shreveport, Shreveport, Louisiana, USA. [2] Division of Bone Marrow Transplantation, University of Utah School of Medicine, Huntsman Cancer Institute, Salt Lake City, Utah, USA. [3]
| | - Sanjivan Gautam
- 1] Faculty of Biology, Albert-Ludwigs-University, Freiburg, Germany. [2] Department of Medical Microbiology and Hygiene, University Medical Center, Freiburg, Germany. [3] Spemann Graduate School of Biology and Medicine, Albert-Ludwigs-University Freiburg, Germany
| | | | - Attila Mocsai
- Department of Physiology, Semmelweis University School of Medicine, Budapest, Hungary
| | - Wilfried Reichardt
- Department of Radiology Medical Physics, University Medical Center, Freiburg, Germany
| | - Fridrik J Karlsson
- Division of Hematology and Oncology, Louisiana State University Health Sciences Center Shreveport, Shreveport, Louisiana, USA
| | - Sabarinath V Radhakrishnan
- 1] Division of Hematology and Oncology, Louisiana State University Health Sciences Center Shreveport, Shreveport, Louisiana, USA. [2] Division of Bone Marrow Transplantation, University of Utah School of Medicine, Huntsman Cancer Institute, Salt Lake City, Utah, USA
| | - Kathrin Hanke
- 1] Department of Hematology and Oncology, University Medical Center, Freiburg, Germany. [2] Faculty of Biology, Albert-Ludwigs-University, Freiburg, Germany
| | - Annette Schmitt-Graeff
- Department of Pathology, University Medical Center, Albert-Ludwigs-University, Freiburg, Germany
| | - Marina Freudenberg
- 1] Max Planck Institute of Immunobiology and Epigenetics, Freiburg, Germany. [2] Centre for Biological Signaling Studies BIOSS, Albert-Ludwigs-University Freiburg, Germany
| | | | - Philipp Wolf
- Department of Urology, University Medical Center, Freiburg, Germany
| | - Franziska Leonhardt
- 1] Department of Hematology and Oncology, University Medical Center, Freiburg, Germany. [2] Faculty of Biology, Albert-Ludwigs-University, Freiburg, Germany
| | - Nicoleta Baxan
- Department of Radiology Medical Physics, University Medical Center, Freiburg, Germany
| | - Dietmar Pfeifer
- Department of Hematology and Oncology, University Medical Center, Freiburg, Germany
| | - Oliver Schmah
- Department of Hematology and Oncology, University Medical Center, Freiburg, Germany
| | - Anne Schönle
- Department of Hematology and Oncology, University Medical Center, Freiburg, Germany
| | - Stefan F Martin
- Allergy Research Group, Department of Dermatology, University Medical Center, University Freiburg, Germany
| | - Roland Mertelsmann
- Department of Hematology and Oncology, University Medical Center, Freiburg, Germany
| | - Justus Duyster
- Department of Hematology and Oncology, University Medical Center, Freiburg, Germany
| | - Jürgen Finke
- Department of Hematology and Oncology, University Medical Center, Freiburg, Germany
| | - Marco Prinz
- 1] Spemann Graduate School of Biology and Medicine, Albert-Ludwigs-University Freiburg, Germany. [2] Department of Neuropathology, University Medical Center, Freiburg, Germany
| | - Philipp Henneke
- 1] Center of Chronic Immunodeficiency, Albert-Ludwigs-University Freiburg, Germany. [2] Center for Pediatrics and Adolescent Medicine, University Medical Center, Freiburg, Germany
| | - Hans Häcker
- Department of Infectious Diseases, St. Jude Children's Research Hospital, Memphis, Tennessee, USA
| | - Gerhard C Hildebrandt
- 1] Division of Hematology and Oncology, Louisiana State University Health Sciences Center Shreveport, Shreveport, Louisiana, USA. [2] Division of Bone Marrow Transplantation, University of Utah School of Medicine, Huntsman Cancer Institute, Salt Lake City, Utah, USA. [3]
| | - Georg Häcker
- 1] Department of Medical Microbiology and Hygiene, University Medical Center, Freiburg, Germany. [2] Spemann Graduate School of Biology and Medicine, Albert-Ludwigs-University Freiburg, Germany. [3]
| | - Robert Zeiser
- 1] Department of Hematology and Oncology, University Medical Center, Freiburg, Germany. [2] Spemann Graduate School of Biology and Medicine, Albert-Ludwigs-University Freiburg, Germany. [3] Centre for Biological Signaling Studies BIOSS, Albert-Ludwigs-University Freiburg, Germany. [4]
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Bouazzaoui A, Dickhöfer S, Kreuz M, Huber E, Holler E, Wolff D. Cytostatic conditioning in experimental allogeneic bone marrow transplantation: Busulfan causes less early gastrointestinal toxicity but Treosulfan results in improved immune reconstitution. Immunopharmacol Immunotoxicol 2014; 36:158-64. [PMID: 24588615 DOI: 10.3109/08923973.2014.895743] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Abstract
BACKGROUND Acute graft versus host disease (aGVHD) after allogeneic bone marrow transplantation (allo-BMT) is associated with significant morbidity and mortality. We evaluated the impact of the conditioning regimen on aGVHD comparing Treosulfan (Treo) and Busulfan (Bu) with total body irradiation (TBI). METHODS Using a haploidentical murine model, B6D2F1 mice conditioned with Bu (100 mg/kg)/Fludarabine (Flu, 500 mg/kg) or Treo (6000 mg/kg)/Flu (500 mg/kg) or TBI with 14 Gy received bone marrow cells and splenocytes (20 × 10(6)) from either syngeneic (B6D2F1) or allogeneic (C57BL/6N) donors in order to analyze aGVHD outcome. RESULTS Conditioning with Bu/Flu or Treo/Flu resulted in significantly reduced aGVHD severity and improved survival (p < 0.05) after allo-BMT compared to TBI. On day 5 after allo-BMT, the organ damages of Bu/Flu conditioned animals were significantly reduced in association with diminished expression of tumor necrosis factor in serum compared to Treo/Flu. Interestingly, the early toxicity of Treo/Flu did not result in significantly higher aGVHD severity; furthermore, a significantly improved immune reconstitution of B220-positive B cells was observed at day 42 after Treo/Flu conditioning compared to Bu/Flu. CONCLUSION Conditioning with Treo/Flu or Bu/Flu results in decreased aGVHD severity compared to TBI. Moreover, Treo/Flu was associated with improved immune reconstitution despite the early toxicity.
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Affiliation(s)
- Abdellatif Bouazzaoui
- Department of Hematology and Oncology, University of Regensburg Medical School , Regensburg , Germany and
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Jankovic D, Ganesan J, Bscheider M, Stickel N, Weber FC, Guarda G, Follo M, Pfeifer D, Tardivel A, Ludigs K, Bouazzaoui A, Kerl K, Fischer JC, Haas T, Schmitt-Gräff A, Manoharan A, Müller L, Finke J, Martin SF, Gorka O, Peschel C, Ruland J, Idzko M, Duyster J, Holler E, French LE, Poeck H, Contassot E, Zeiser R. The Nlrp3 inflammasome regulates acute graft-versus-host disease. ACTA ACUST UNITED AC 2013; 210:1899-910. [PMID: 23980097 PMCID: PMC3782050 DOI: 10.1084/jem.20130084] [Citation(s) in RCA: 181] [Impact Index Per Article: 16.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Conditioning therapies before transplantation induce the release of uric acid, which triggers the NLRP3 inflammasome and IL-1β production contributing to graft-versus-host disease. The success of allogeneic hematopoietic cell transplantation is limited by acute graft-versus-host disease (GvHD), a severe complication accompanied by high mortality rates. Yet, the molecular mechanisms initiating this disease remain poorly defined. In this study, we show that, after conditioning therapy, intestinal commensal bacteria and the damage-associated molecular pattern uric acid contribute to Nlrp3 inflammasome–mediated IL-1β production and that gastrointestinal decontamination and uric acid depletion reduced GvHD severity. Early blockade of IL-1β or genetic deficiency of the IL-1 receptor in dendritic cells (DCs) and T cells improved survival. The Nlrp3 inflammasome components Nlrp3 and Asc, which are required for pro–IL-1β cleavage, were critical for the full manifestation of GvHD. In transplanted mice, IL-1β originated from multiple intestinal cell compartments and exerted its effects on DCs and T cells, the latter being preferentially skewed toward Th17. Compatible with these mouse data, increased levels of active caspase-1 and IL-1β were found in circulating leukocytes and intestinal GvHD lesions of patients. Thus, the identification of a crucial role for the Nlrp3 inflammasome sheds new light on the pathogenesis of GvHD and opens a potential new avenue for the targeted therapy of this severe complication.
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Affiliation(s)
- Dragana Jankovic
- Department of Dermatology, University Hospital, CH-8091 Zürich, Switzerland
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Al-Chaqmaqchi H, Sadeghi B, Abedi-Valugerdi M, Al-Hashmi S, Fares M, Kuiper R, Lundahl J, Hassan M, Moshfegh A. The role of programmed cell death ligand-1 (PD-L1/CD274) in the development of graft versus host disease. PLoS One 2013; 8:e60367. [PMID: 23593203 PMCID: PMC3617218 DOI: 10.1371/journal.pone.0060367] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/25/2012] [Accepted: 02/26/2013] [Indexed: 11/18/2022] Open
Abstract
Programmed cell death ligand-1 (PD-L1/CD274) is an immunomodulatory molecule involved in cancer and complications of bone marrow transplantation, such as graft rejection and graft-versus-host disease. The present study was designed to assess the dynamic expression of this molecule after hematopoietic stem cell transplantation in relation to acute graft-versus-host disease. Female BALB/c mice were conditioned with busulfan and cyclophosphamide and transplanted with either syngeneic or allogeneic (male C57BL/6 mice) bone marrow and splenic cells. The expression of PD-L1 was evaluated at different time points employing qPCR, western blot and immunohistochemistry. Allogeneic- but not syngeneic-transplanted animals exhibited a marked up-regulation of PD-L1 expression in the muscle and kidney, but not the liver, at days 5 and 7 post transplantation. In mice transplanted with allogeneic bone marrow cells, the enhanced expression of PD-L1 was associated with high serum levels of IFNγ and TNFα at corresponding intervals. Our findings demonstrate that PD-L1 is differently induced and expressed after allogeneic transplantation than it is after syngeneic transplantation, and that it is in favor of target rather than non-target organs at the early stages of acute graft-versus-host disease. This is the first study to correlate the dynamics of PD-L1 at the gene-, protein- and activity levels with the early development of acute graft-versus-host disease. Our results suggest that the higher expression of PD-L1 in the muscle and kidney (non-target tissues) plays a protective role in skeletal muscle during acute graft-versus-host disease.
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Affiliation(s)
- Heevy Al-Chaqmaqchi
- Department of Laboratory Medicine, Division of Clinical Research Center, Experimental Cancer Medicine, Karolinska Institutet, Stockholm, Sweden
| | - Behnam Sadeghi
- Department of Laboratory Medicine, Division of Clinical Research Center, Experimental Cancer Medicine, Karolinska Institutet, Stockholm, Sweden
| | - Manuchehr Abedi-Valugerdi
- Department of Laboratory Medicine, Division of Clinical Research Center, Experimental Cancer Medicine, Karolinska Institutet, Stockholm, Sweden
| | - Sulaiman Al-Hashmi
- Department of Laboratory Medicine, Division of Clinical Research Center, Experimental Cancer Medicine, Karolinska Institutet, Stockholm, Sweden
| | - Mona Fares
- Department of Laboratory Medicine, Division of Clinical Research Center, Experimental Cancer Medicine, Karolinska Institutet, Stockholm, Sweden
| | - Raoul Kuiper
- Department of Laboratory Medicine, The Unite of Morphologic Phenotype Analysis, Karolinska Institutet and Karolinska University Hospital-Huddinge, Stockholm, Sweden
| | - Joachim Lundahl
- Department of Clinical Immunology and Transfusion Medicine, Karolinska University Hospital, Stockholm, Sweden
| | - Moustapha Hassan
- Department of Laboratory Medicine, Division of Clinical Research Center, Experimental Cancer Medicine, Karolinska Institutet, Stockholm, Sweden
- Clinical Research Center (ECM, KFC, Novum), Karolinska University Hospital-Huddinge, Stockholm, Sweden
- * E-mail:
| | - Ali Moshfegh
- Department of Oncology and Pathology, Cancer Center Karolinska (CCK), Karolinska University Hospital and Karolinska Institutet, Stockholm, Sweden
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Migration and activation of T cells during development of graft-versus-host disease in a mouse model. Transplant Proc 2013; 45:713-8. [PMID: 23498811 DOI: 10.1016/j.transproceed.2012.12.004] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2012] [Revised: 11/04/2012] [Accepted: 12/03/2012] [Indexed: 12/27/2022]
Abstract
OBJECTIVE We investigated the pathophysiologic events in graft-versus-host disease (GVHD), a major complication of hematopoietic stem cell transplantation (HSCT). METHODS The experimental group included BALB/c female mice conditioned with 8.0 GY total body irradiation that were transplanted with allogeneic C57BL/6 male bone marrow cells (BMCs) plus CD4(+) T cells and CD8(+) T cells isolated from green fluorescent protein transgenic (eGFP-Tg) C57BL/6 male mice by the immunomagnetic beads negative sorting method. The control group was transplanted only with C57BL/6 male BMCs. RESULTS GVHD clinical manifestations were present in the BMCs plus T-cell-transplanted group, but not the BMCs alone group. eGFP(+) T cells were observed in recipient organs, including the liver, spleen, intestine, skin, lungs, tongue, kidneys and even the brain. Donor eGFP(+) T cells were significantly increased in liver and spleen before day +4 (P < .05); but decreased in the spleen while still increased in the liver after day +4 (P < .05). CD25 expression of donor eGFP(+) T cells in the liver and spleen, and interleukin (IL)-2 levels in the peripheral blood was significantly increased before day +4 (P < .05), but decreased after day +4 (P < .05). CONCLUSION These data support the donor T-cell migration hypothesis that accompanied by expression of CD25 and IL-2, during the development of GVHD donor T cells migrate to lymphoid organs, such as the spleen, after activation migrating to GVHD target organs to induce GVHD damage.
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29
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An N, Kang Y. Using quantitative real-time PCR to determine donor cell engraftment in a competitive murine bone marrow transplantation model. J Vis Exp 2013:e50193. [PMID: 23525072 DOI: 10.3791/50193] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023] Open
Abstract
Murine bone marrow transplantation models provide an important tool in measuring hematopoietic stem cell (HSC) functions and determining genes/molecules that regulate HSCs. In these transplant model systems, the function of HSCs is determined by the ability of these cells to engraft and reconstitute lethally irradiated recipient mice. Commonly, the donor cell contribution/engraftment is measured by antibodies to donor- specific cell surface proteins using flow cytometry. However, this method heavily depends on the specificity and the ability of the cell surface marker to differentiate donor-derived cells from recipient-originated cells, which may not be available for all mouse strains. Considering the various backgrounds of genetically modified mouse strains in the market, this cell surface/ flow cytometry-based method has significant limitations especially in mouse strains that lack well-defined surface markers to separate donor cells from congenic recipient cells. Here, we reported a PCR-based technique to determine donor cell engraftment/contribution in transplant recipient mice. We transplanted male donor bone marrow HSCs to lethally irradiated congenic female mice. Peripheral blood samples were collected at different time points post transplantation. Bone marrow samples were obtained at the end of the experiments. Genomic DNA was isolated and the Y chromosome specific gene, Zfy1, was amplified using quantitative Real time PCR. The engraftment of male donor-derived cells in the female recipient mice was calculated against standard curve with known percentage of male vs. female DNAs. Bcl2 was used as a reference gene to normalize the total DNA amount. Our data suggested that this approach reliably determines donor cell engraftment and provides a useful, yet simple method in measuring hematopoietic cell reconstitution in murine bone marrow transplantation models. Our method can be routinely performed in most laboratories because no costly equipment such as flow cytometry is required.
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Affiliation(s)
- Ningfei An
- Division of Hematology-oncology, Department of Medicine, Medical University of South Carolina, USA
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Zinöcker S, Dressel R, Wang XN, Dickinson AM, Rolstad B. Immune reconstitution and graft-versus-host reactions in rat models of allogeneic hematopoietic cell transplantation. Front Immunol 2012; 3:355. [PMID: 23226148 PMCID: PMC3510360 DOI: 10.3389/fimmu.2012.00355] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2012] [Accepted: 11/08/2012] [Indexed: 12/28/2022] Open
Abstract
Allogeneic hematopoietic cell transplantation (alloHCT) extends the lives of thousands of patients who would otherwise succumb to hematopoietic malignancies such as leukemias and lymphomas, aplastic anemia, and disorders of the immune system. In alloHCT, different immune cell types mediate beneficial graft-versus-tumor (GvT) effects, regulate detrimental graft-versus-host disease (GvHD), and are required for protection against infections. Today, the “good” (GvT effector cells and memory cells conferring protection) cannot be easily separated from the “bad” (GvHD-causing cells), and alloHCT remains a hazardous medical modality. The transplantation of hematopoietic stem cells into an immunosuppressed patient creates a delicate environment for the reconstitution of donor blood and immune cells in co-existence with host cells. Immunological reconstitution determines to a large extent the immune status of the allo-transplanted host against infections and the recurrence of cancer, and is critical for long-term protection and survival after clinical alloHCT. Animal models continue to be extremely valuable experimental tools that widen our understanding of, for example, the dynamics of post-transplant hematopoiesis and the complexity of immune reconstitution with multiple ways of interaction between host and donor cells. In this review, we discuss the rat as an experimental model of HCT between allogeneic individuals. We summarize our findings on lymphocyte reconstitution in transplanted rats and illustrate the disease pathology of this particular model. We also introduce the rat skin explant assay, a feasible alternative to in vivo transplantation studies. The skin explant assay can be used to elucidate the biology of graft-versus-host reactions, which are known to have a major impact on immune reconstitution, and to perform genome-wide gene expression studies using controlled combinations of minor and major histocompatibility between the donor and the recipient.
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Affiliation(s)
- Severin Zinöcker
- Department of Anatomy, Institute of Basic Medical Sciences, University of Oslo Oslo, Norway ; Department of Immunology, Oslo University Hospital - Rikshospitalet Oslo, Norway
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Al Hashmi S, Sadeghi B, Hassan Z, Abedi-Valugerdi M, Lindskog M, Hassan M. Omega-3 from fish oil augments GVHD through the enhancement of chemotherapy conditioning regimen and selective FoxP3 depletion. Bone Marrow Transplant 2012. [DOI: 10.1038/bmt.2012.227] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
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32
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Ringdén O, Sadeghi B. Is graft-versus-leukemia more effective using reduced-intensity conditioning compared with myeloablative conditioning? Biol Blood Marrow Transplant 2012; 18:1615-7. [PMID: 23022465 DOI: 10.1016/j.bbmt.2012.09.006] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2012] [Accepted: 09/11/2012] [Indexed: 10/27/2022]
Affiliation(s)
- Olle Ringdén
- Division of Therapeutic Immunology and Center for Allogeneic Stem Cell Transplantation, Department of Laboratory Medicine, Karolinska Institutet, Karolinska University Hospital Huddinge, Stockholm, Sweden.
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Macrophage inflammatory protein-2 (MIP-2)/CXCR2 blockade attenuates acute graft-versus-host disease while preserving graft-versus-leukemia activity. Biochem Biophys Res Commun 2012; 426:558-64. [PMID: 22982307 DOI: 10.1016/j.bbrc.2012.08.126] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2012] [Accepted: 08/27/2012] [Indexed: 11/23/2022]
Abstract
Allogenic bone marrow transplantation (BMT), an important treatment for hematological malignancies, is often complicated by graft-versus-host disease (GVHD). Suppression of GVHD is associated with the unwanted diminishment of the graft-versus-leukemia (GVL) response. The aim of this study was to maintain the benefits of GVL during GVHD suppression through isolated blockade of T-cell migration factors. To this end, we developed a murine model of B-cell leukemia, which was treated with BMT to induce GVHD. Within this model, functional blockade of MIP-2/CXCR2 was analyzed by observing proteomic, histologic and clinical variables of GVHD manifestation. Luminex assay of collected tissue identified several cytokines [granulocyte colony-stimulating factor (G-CSF), keratinocyte-derived chemokine (KC), macrophage inflammatory protein-2 (MIP-2), and interleukin-23 (IL-23)] that were upregulated during GHVD, but reduced by neutralizing the MIP-2/CXCR2 axis. In addition, donor T-cell blockade of CXCR2 combined with recipient administration of anti-MIP-2 caused a significant decrease in GVHD while preserving the GVL response. We propose that blocking the MIP-2/CXCR2 axis represents a novel strategy to separate the toxicity of GVHD from the beneficial effects of GVL after allogenic BMT.
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Early-phase GVHD gene expression profile in target versus non-target tissues: kidney, a possible target? Bone Marrow Transplant 2012; 48:284-93. [DOI: 10.1038/bmt.2012.120] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
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Al-Hashmi S, Boels PJM, Zadjali F, Sadeghi B, Sällström J, Hultenby K, Hassan Z, Arner A, Hassan M. Busulphan-cyclophosphamide cause endothelial injury, remodeling of resistance arteries and enhanced expression of endothelial nitric oxide synthase. PLoS One 2012; 7:e30897. [PMID: 22303468 PMCID: PMC3267746 DOI: 10.1371/journal.pone.0030897] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2011] [Accepted: 12/23/2011] [Indexed: 11/19/2022] Open
Abstract
Stem cell transplantation (SCT) is a curative treatment for malignant and non malignant diseases. However, transplantation-related complications including cardiovascular disease deteriorate the clinical outcome and quality of life. We have investigated the acute effects of conditioning regimen on the pharmacology, physiology and structure of large elastic arteries and small resistance-sized arteries in a SCT mouse model. Mesenteric resistance arteries and aorta were dissected from Balb/c mice conditioned with busulphan (Bu) and cyclophosphamide (Cy). In vitro isometric force development and pharmacology, in combination with RT-PCR, Western blotting and electron microscopy were used to study vascular properties. Compared with controls, mesenteric resistance arteries from the Bu-Cy group had larger internal circumference, showed enhanced endothelium mediated relaxation and increased expression of endothelial nitric oxide synthase (eNOS). Bu-Cy treated animals had lower mean blood pressure and signs of endothelial injury. Aortas of treated animals had a higher reactivity to noradrenaline. We conclude that short-term consequences of Bu-Cy treatment divergently affect large and small arteries of the cardiovascular system. The increased noradrenaline reactivity of large elastic arteries was not associated with increased blood pressure at rest. Instead, Bu-Cy treatment lowered blood pressure via augmented microvascular endothelial dependent relaxation, increased expression of vascular eNOS and remodeling toward a larger lumen. The changes in the properties of resistance arteries can be associated with direct effects of the compounds on vascular wall or possibly indirectly induced via altered translational activity associated with the reduced hematocrit and shear stress. This study contributes to understanding the mechanisms that underlie the early effects of conditioning regimen on resistance arteries and may help in designing further investigations to understand the late effects on vascular system.
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Affiliation(s)
- Sulaiman Al-Hashmi
- Experimental Cancer Medicine (ECM), Department of Laboratory Medicine, Karolinska Institutet, Stockholm, Sweden
| | - Piet J. M. Boels
- 3Ph_S Biomedical, Stockholm, Sweden
- Division Genetic Physiology, Department of Physiology and Pharmacology, Karolinska Institutet, Stockholm, Sweden
| | - Fahad Zadjali
- Department of Molecular Medicine and Surgery (MMK), CMM, Karolinska Institutet, Stockholm, Sweden
| | - Behnam Sadeghi
- Experimental Cancer Medicine (ECM), Department of Laboratory Medicine, Karolinska Institutet, Stockholm, Sweden
| | | | - Kjell Hultenby
- EMIL, Department of Laboratory Medicine, Karolinska Institutet, Stockholm, Sweden
| | - Zuzana Hassan
- Experimental Cancer Medicine (ECM), Department of Laboratory Medicine, Karolinska Institutet, Stockholm, Sweden
- Clinincal Research Center, Karolinska University Hospital-Huddinge, Stockholm, Sweden
| | | | - Moustapha Hassan
- Experimental Cancer Medicine (ECM), Department of Laboratory Medicine, Karolinska Institutet, Stockholm, Sweden
- Clinincal Research Center, Karolinska University Hospital-Huddinge, Stockholm, Sweden
- * E-mail:
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Schroeder MA, DiPersio JF. Mouse models of graft-versus-host disease: advances and limitations. Dis Model Mech 2011; 4:318-33. [PMID: 21558065 PMCID: PMC3097454 DOI: 10.1242/dmm.006668] [Citation(s) in RCA: 192] [Impact Index Per Article: 14.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Abstract
The limiting factor for successful hematopoietic stem cell transplantation (HSCT) is graft-versus-host disease (GvHD), a post-transplant disorder that results from immune-mediated attack of recipient tissue by donor T cells contained in the transplant. Mouse models of GvHD have provided important insights into the pathophysiology of this disease, which have helped to improve the success rate of HSCT in humans. The kinetics with which GvHD develops distinguishes acute from chronic GvHD, and it is clear from studies of mouse models of GvHD (and studies of human HSCT) that the pathophysiology of these two forms is also distinct. Mouse models also further the basic understanding of the immunological responses involved in GvHD pathology, such as antigen recognition and presentation, the involvement of the thymus and immune reconstitution after transplantation. In this Perspective, we provide an overview of currently available mouse models of acute and chronic GvHD, highlighting their benefits and limitations, and discuss research and clinical opportunities for the future.
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Affiliation(s)
- Mark A Schroeder
- Division of Oncology, Siteman Cancer Center, Washington University School of Medicine, St Louis, MO 63110, USA
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Expansion and activation kinetics of immune cells during early phase of GVHD in mouse model based on chemotherapy conditioning. Clin Dev Immunol 2010; 2010:142943. [PMID: 21197273 PMCID: PMC3010844 DOI: 10.1155/2010/142943] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2010] [Accepted: 11/03/2010] [Indexed: 01/21/2023]
Abstract
In the present paper, we have investigated early pathophysiological events in graft-versus-host disease (GVHD), a major complication to hematopoietic stem cell transplantation (HSCT). BLLB/c female mice conditioned with busulfan/cyclophosphamide (Bu-Cy) were transplanted with allogeneic male C57BL/6. Control group consisted of syngeneic transplanted Balb/c mice. In allogeneic settings, significant expansion and maturation of donor dendritic cells (DCs) were observed at day +3, while donor T-cells CD8+ were increased at day +5 (230%) compared to syngeneic HSCT. Highest levels of inflammatory cytokines IL-2, IFN-gamma, and TNF-alfa at day +5 matched T-cell activation. Concomitantly naïve T-cells gain effecr-memory phenotype and migrated from spleen to peripheral lymphoid organs. Thus, in the very early phase of GHVD following Bu-Cy conditioning donor, DCs play an important role in the activation of donor T cells. Subsequently, donor naïve T-cells gain effector-memory phenotype and initiate GVHD.
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Current World Literature. Curr Opin Support Palliat Care 2009; 3:305-12. [DOI: 10.1097/spc.0b013e3283339c93] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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