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Piekarska A, Pawelec K, Szmigielska-Kapłon A, Ussowicz M. The state of the art in the treatment of severe aplastic anemia: immunotherapy and hematopoietic cell transplantation in children and adults. Front Immunol 2024; 15:1378432. [PMID: 38646536 PMCID: PMC11026616 DOI: 10.3389/fimmu.2024.1378432] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2024] [Accepted: 03/22/2024] [Indexed: 04/23/2024] Open
Abstract
Acquired aplastic anemia (AA) is an immune-mediated bone marrow (BM) failure where marrow disruption is driven by a cytotoxic T-cell-mediated autoimmune attack against hematopoietic stem cells. The key diagnostic challenge in children, but also in adults, is to exclude the possible underlying congenital condition and myelodysplasia. The choice of treatment options, either allogeneic hematopoietic cell transplantation (alloHCT) or immunosuppressive therapy (IST), depends on the patient's age, comorbidities, and access to a suitable donor and effective therapeutic agents. Since 2022, horse antithymocyte globulin (hATG) has been available again in Europe and is recommended for IST as a more effective option than rabbit ATG. Therefore, an update on immunosuppressive strategies is warranted. Despite an improved response to the new immunosuppression protocols with hATG and eltrombopag, some patients are not cured or remain at risk of aplasia relapse or clonal evolution and require postponed alloHCT. The transplantation field has evolved, becoming safer and more accessible. Upfront alloHCT from unrelated donors is becoming a tempting option. With the use of posttransplant cyclophosphamide, haploidentical HCT offers promising outcomes also in AA. In this paper, we present the state of the art in the management of severe AA for pediatric and adult patients based on the available guidelines and recently published studies.
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Affiliation(s)
- Agnieszka Piekarska
- Department of Hematology and Transplantology, Medical University of Gdansk, Gdansk, Poland
| | - Katarzyna Pawelec
- Department of Oncology, Pediatric Hematology, Clinical Transplantology and Pediatrics, Medical University of Warsaw, Warsaw, Poland
| | | | - Marek Ussowicz
- Department of Pediatric Bone Marrow Transplantation, Oncology and Hematology, Wroclaw Medical University, Wroclaw, Poland
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2
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Fu W, Gao S, Luo Y, Chen L, Chen J, Gao L, Wang L, Xu L, Wang Y, Wang Z, Yue W, Cheng H, Tang G, Wang J, Yang J, Ni X. Comparison of Stem Cell Transplantation Using Unrelated, Haploidentical, and Sibling Donors for Patients with Acquired Severe Aplastic Anemia: A Single-Center Retrospective Cohort Study. Transplant Cell Ther 2024; 30:245.e1-245.e8. [PMID: 37977336 DOI: 10.1016/j.jtct.2023.11.012] [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: 09/09/2023] [Revised: 11/08/2023] [Accepted: 11/08/2023] [Indexed: 11/19/2023]
Abstract
The preferred donor (haploidentical donor [HID] versus matched unrelated donor [URD]) choice in patients with acquired severe aplastic anemia (SAA) who lack an HLA-matched sibling donor (MSD) and fail upfront immunosuppressive treatment (IST) therapy is unknown. We retrospectively investigated SAA patients (n = 58) who underwent allogeneic stem cell transplantation (allo-SCT) between January 2012 and October 2022. The 5-year overall survival (OS) and 5-year failure-free survival (FFS) were comparable among the URD (n = 8), HID (n = 25), and MSD (n = 25) cohorts (OS: mean, 87.5 ± 11.7% versus 98.0 ± 6.5% versus 83.3 ± 7.6% [P = .926]; FFS: mean, 60.0 ± 18.2% versus 87.0 ± 7.0% versus 78.3 ± 8.6% [P = .222]). Multivariate analysis revealed that primary engraftment failure independently predicted OS and secondary graft failure predicted FFS among SAA patients who underwent allo-SCT, but donor type and age were not predictive of these outcomes. An urgent second SCT for patients with engraftment failure may be an effective salvage treatment. Our findings show that an alternative donor SCT is indicated for eligible SAA patients without an MSD even if age ≥40 years.
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Affiliation(s)
- Weijia Fu
- Department of Hematology, Institute of Hematology, Changhai Hospital, Shanghai 200433, China
| | - Su Gao
- Department of Hematology, Institute of Hematology, Changhai Hospital, Shanghai 200433, China
| | - Yanrong Luo
- Department of Hematology, Institute of Hematology, Changhai Hospital, Shanghai 200433, China
| | - Li Chen
- Department of Hematology, Institute of Hematology, Changhai Hospital, Shanghai 200433, China
| | - Jie Chen
- Department of Hematology, Institute of Hematology, Changhai Hospital, Shanghai 200433, China
| | - Lei Gao
- Department of Hematology, Institute of Hematology, Changhai Hospital, Shanghai 200433, China
| | - Libing Wang
- Department of Hematology, Institute of Hematology, Changhai Hospital, Shanghai 200433, China
| | - Lili Xu
- Department of Hematology, Institute of Hematology, Changhai Hospital, Shanghai 200433, China
| | - Yang Wang
- Department of Hematology, Institute of Hematology, Changhai Hospital, Shanghai 200433, China
| | - Ziwei Wang
- Department of Hematology, Institute of Hematology, Changhai Hospital, Shanghai 200433, China
| | - Wenqin Yue
- Department of Hematology, Institute of Hematology, Changhai Hospital, Shanghai 200433, China
| | - Hui Cheng
- Department of Hematology, Institute of Hematology, Changhai Hospital, Shanghai 200433, China
| | - Gusheng Tang
- Department of Hematology, Institute of Hematology, Changhai Hospital, Shanghai 200433, China
| | - Jianmin Wang
- Department of Hematology, Institute of Hematology, Changhai Hospital, Shanghai 200433, China.
| | - Jianmin Yang
- Department of Hematology, Institute of Hematology, Changhai Hospital, Shanghai 200433, China.
| | - Xiong Ni
- Department of Hematology, Institute of Hematology, Changhai Hospital, Shanghai 200433, China.
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3
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Lin F, Dong X, Zhang Y, Cheng Y, Han T, Mo X, Fu H, Han W, Wang F, Tang F, Yan C, Sun Y, Xu Z, Wang Y, Zhang X, Huang X, Xu L. Time-dependent analysis of the impact on early cytomegalovirus reactivation of HLA mismatch and acute graft-versus-host disease after allogeneic hematopoietic cell transplantation from related donors in acquired aplastic anemia. Ann Hematol 2023; 102:2589-2598. [PMID: 37438489 DOI: 10.1007/s00277-023-05332-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2023] [Accepted: 06/20/2023] [Indexed: 07/14/2023]
Abstract
Cytomegalovirus (CMV) reactivation is an important issue in allogeneic hematopoietic cell transplantation (HCT). The incidence of early CMV reactivation is notably high in HLA-mismatched HCT. However, the interactions between HLA mismatch and acute graft-versus-host disease (aGvHD), a time-dependent event, make it methodologically challenging to evaluate the independent impact on CMV reactivation of the two variables. We retrospectively analyzed 355 patients with acquired aplastic anemia who received related donor transplants using a unified antithymocyte globulin-based platform. Patients were divided into group 1 (6/6 HLA match), group 2 (1-2/6 HLA allelic mismatch), and group 3 (3/6 HLA allelic mismatch). The impact of covariates was analyzed through two models: (1) time-dependent Cox and (2) dynamic landmarking analysis. The time-dependent Cox model showed that the HLA mismatch of 3/6 alleles (hazard ratio (HR) =1.852, P = .004) and aGvHD (HR = 1.009, P = .019) were independent risk factors for CMV reactivation. With the dynamic landmarking analysis, a higher HLA disparity correlated to increased early CMV reactivation (HR = 1.606, P = .001) at all time points. Developing aGvHD following HCT was generally associated with a higher incidence of CMV reactivation (HR = 1.623, P = .013), though its impact decreased with successive later landmark time points. In conclusion, our data suggest that the higher HLA disparity and aGvHD increases susceptibility to early CMV reactivation. In particular, the dynamic landmarking analysis demonstrated the time-varying effect of aGvHD on CMV reactivation, and HLA mismatch showed a profound impact over time following HCT.
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Affiliation(s)
- Fan Lin
- National Clinical Research Center for Hematologic Disease, Collaborative Innovation Center of Hematology, Beijing Key Laboratory of Hematopoietic Stem Cell Transplant, Peking University People's Hospital, Peking University Institute of Hematology, No. 11 Xizhimen South Street, Xicheng District, Beijing, 100044, China
| | - Xinyu Dong
- National Clinical Research Center for Hematologic Disease, Collaborative Innovation Center of Hematology, Beijing Key Laboratory of Hematopoietic Stem Cell Transplant, Peking University People's Hospital, Peking University Institute of Hematology, No. 11 Xizhimen South Street, Xicheng District, Beijing, 100044, China
| | - Yuanyuan Zhang
- National Clinical Research Center for Hematologic Disease, Collaborative Innovation Center of Hematology, Beijing Key Laboratory of Hematopoietic Stem Cell Transplant, Peking University People's Hospital, Peking University Institute of Hematology, No. 11 Xizhimen South Street, Xicheng District, Beijing, 100044, China
| | - Yifei Cheng
- National Clinical Research Center for Hematologic Disease, Collaborative Innovation Center of Hematology, Beijing Key Laboratory of Hematopoietic Stem Cell Transplant, Peking University People's Hospital, Peking University Institute of Hematology, No. 11 Xizhimen South Street, Xicheng District, Beijing, 100044, China
| | - Tingting Han
- National Clinical Research Center for Hematologic Disease, Collaborative Innovation Center of Hematology, Beijing Key Laboratory of Hematopoietic Stem Cell Transplant, Peking University People's Hospital, Peking University Institute of Hematology, No. 11 Xizhimen South Street, Xicheng District, Beijing, 100044, China
| | - Xiaodong Mo
- National Clinical Research Center for Hematologic Disease, Collaborative Innovation Center of Hematology, Beijing Key Laboratory of Hematopoietic Stem Cell Transplant, Peking University People's Hospital, Peking University Institute of Hematology, No. 11 Xizhimen South Street, Xicheng District, Beijing, 100044, China
| | - Haixia Fu
- National Clinical Research Center for Hematologic Disease, Collaborative Innovation Center of Hematology, Beijing Key Laboratory of Hematopoietic Stem Cell Transplant, Peking University People's Hospital, Peking University Institute of Hematology, No. 11 Xizhimen South Street, Xicheng District, Beijing, 100044, China
| | - Wei Han
- National Clinical Research Center for Hematologic Disease, Collaborative Innovation Center of Hematology, Beijing Key Laboratory of Hematopoietic Stem Cell Transplant, Peking University People's Hospital, Peking University Institute of Hematology, No. 11 Xizhimen South Street, Xicheng District, Beijing, 100044, China
| | - Fengrong Wang
- National Clinical Research Center for Hematologic Disease, Collaborative Innovation Center of Hematology, Beijing Key Laboratory of Hematopoietic Stem Cell Transplant, Peking University People's Hospital, Peking University Institute of Hematology, No. 11 Xizhimen South Street, Xicheng District, Beijing, 100044, China
| | - Feifei Tang
- National Clinical Research Center for Hematologic Disease, Collaborative Innovation Center of Hematology, Beijing Key Laboratory of Hematopoietic Stem Cell Transplant, Peking University People's Hospital, Peking University Institute of Hematology, No. 11 Xizhimen South Street, Xicheng District, Beijing, 100044, China
| | - Chenhua Yan
- National Clinical Research Center for Hematologic Disease, Collaborative Innovation Center of Hematology, Beijing Key Laboratory of Hematopoietic Stem Cell Transplant, Peking University People's Hospital, Peking University Institute of Hematology, No. 11 Xizhimen South Street, Xicheng District, Beijing, 100044, China
| | - Yuqian Sun
- National Clinical Research Center for Hematologic Disease, Collaborative Innovation Center of Hematology, Beijing Key Laboratory of Hematopoietic Stem Cell Transplant, Peking University People's Hospital, Peking University Institute of Hematology, No. 11 Xizhimen South Street, Xicheng District, Beijing, 100044, China
| | - Zhengli Xu
- National Clinical Research Center for Hematologic Disease, Collaborative Innovation Center of Hematology, Beijing Key Laboratory of Hematopoietic Stem Cell Transplant, Peking University People's Hospital, Peking University Institute of Hematology, No. 11 Xizhimen South Street, Xicheng District, Beijing, 100044, China
| | - Yu Wang
- National Clinical Research Center for Hematologic Disease, Collaborative Innovation Center of Hematology, Beijing Key Laboratory of Hematopoietic Stem Cell Transplant, Peking University People's Hospital, Peking University Institute of Hematology, No. 11 Xizhimen South Street, Xicheng District, Beijing, 100044, China
| | - Xiaohui Zhang
- National Clinical Research Center for Hematologic Disease, Collaborative Innovation Center of Hematology, Beijing Key Laboratory of Hematopoietic Stem Cell Transplant, Peking University People's Hospital, Peking University Institute of Hematology, No. 11 Xizhimen South Street, Xicheng District, Beijing, 100044, China
| | - Xiaojun Huang
- National Clinical Research Center for Hematologic Disease, Collaborative Innovation Center of Hematology, Beijing Key Laboratory of Hematopoietic Stem Cell Transplant, Peking University People's Hospital, Peking University Institute of Hematology, No. 11 Xizhimen South Street, Xicheng District, Beijing, 100044, China
- Peking-Tsinghua Centre for Life Sciences, Beijing, China
| | - Lanping Xu
- National Clinical Research Center for Hematologic Disease, Collaborative Innovation Center of Hematology, Beijing Key Laboratory of Hematopoietic Stem Cell Transplant, Peking University People's Hospital, Peking University Institute of Hematology, No. 11 Xizhimen South Street, Xicheng District, Beijing, 100044, China.
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Kharya G, Jaiswal SR, Bhat S, Raj R, Yadav SP, Dua V, Sen S, Bakane A, Badiger S, Uppuluri R, Rastogi N, Sachdev M, Sharma B, Saifullah A, Chakrabarti S. Impact of Conditioning Regimen and Graft-versus-Host Disease Prophylaxis on The Outcome of Haploidentical Peripheral Blood Stem Cell Transplantation for High-Risk Severe Aplastic Anemia in Children and Young Adults: A Report from the Pediatric Severe Aplastic Anemia Consortium of India. Transplant Cell Ther 2023; 29:199.e1-199.e10. [PMID: 36572385 DOI: 10.1016/j.jtct.2022.12.010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2022] [Revised: 11/16/2022] [Accepted: 12/14/2022] [Indexed: 12/24/2022]
Abstract
Allogenic hematopoietic cell transplantation (HCT) is the best curative approach for patients with severe aplastic anemia (SAA). The outcomes of HCT from haploidentical family donors (HFDs) have improved, making it a feasible option for patients lacking an HLA-identical donor. However, data on HFD-HCT for younger patients with SAA is sparse. In this multicenter retrospective study, we evaluated the outcomes of 79 patients undergoing HFD-HCT for SAA. All the patients were heavily pretransfused, the median time to HCT was >12 months, and 67% had failed previous therapies. Conditioning was based on fludarabine (Flu)-cyclophosphamide (Cy)-antithymocyte globulin (ATG)/total body irradiation (TBI) with or without thiotepa/melphalan (TT/Mel). Post-transplantation Cy (PTCy) and calcineurin inhibitors (CNIs)/sirolimus were used as graft-versus-host disease (GVHD) prophylaxis with or without abatacept. The rate of primary graft failure (PGF) was 16.43% overall, lower in patients conditioned with TT/Mel. The incidences of acute and chronic GVHD were 26.4% and 18.9%, respectively. At a median follow-up of 48 months, the overall survival (OS) and event-free survival (EFS) were 61.6% and 58.1%, respectively. Both OS and EFS were better in the TT/Mel recipients and with abatacept as GVHD prophylaxis. On multivariate analysis, the use of abatacept was found to favorably impact the outcome variables, including GVHD and EFS. Our study suggests that PTCy-based HFD-HCT is a reasonable option for young patients with high-risk SAA, in whom optimization of conditioning and GVHD prophylaxis might further improve outcomes.
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Affiliation(s)
- Gaurav Kharya
- Centre For Bone Marrow Transplant & Cellular Therapy, Indrprastha Apollo Hospital, New Delhi, India.
| | - Sarita R Jaiswal
- Department of Hematology and Bone Marrow Transplant, Dharamshilla Narayana Superspeciality Hospital, New Delhi, India
| | - Sunil Bhat
- Department of Pediatric Hematology Oncology & Bone Marrow Transplant, Narayana Health City, Bangalore, Karnataka, India
| | - Revathi Raj
- Apollo Cancer Centre, Chennai, Tamil Nadu, India
| | - Satya P Yadav
- Department of Pediatric Hematology Oncology and Bone Marrow Transplant, Medanta-The Medicity, Gurugram, Harayana, India
| | - Vikas Dua
- Department of Pediatric Hematology Oncology and Bone Marrow Transplant, Fortis Memorial Research Hospital, Gurugram, Haryana, India
| | - Santanu Sen
- Department of Pediatric Hematology Oncology and Bone Marow Transplant, Kokilaben Dhirubhai Ambani Hospital & Medical Research Institute, Mumbai, India
| | - Atish Bakane
- Centre For Bone Marrow Transplant & Cellular Therapy, Indrprastha Apollo Hospital, New Delhi, India
| | - Shobha Badiger
- Department of Pediatric Hematology Oncology & Bone Marrow Transplant, Narayana Health City, Bangalore, Karnataka, India
| | | | - Neha Rastogi
- Department of Pediatric Hematology Oncology and Bone Marrow Transplant, Medanta-The Medicity, Gurugram, Harayana, India
| | - Mansi Sachdev
- Department of Pediatric Hematology Oncology and Bone Marrow Transplant, Fortis Memorial Research Hospital, Gurugram, Haryana, India
| | - Bharti Sharma
- Centre For Bone Marrow Transplant & Cellular Therapy, Indrprastha Apollo Hospital, New Delhi, India
| | - Ashraf Saifullah
- Department of Hematology and Bone Marrow Transplant, Dharamshilla Narayana Superspeciality Hospital, New Delhi, India
| | - Suparno Chakrabarti
- Department of Hematology and Bone Marrow Transplant, Dharamshilla Narayana Superspeciality Hospital, New Delhi, India
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5
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He M, Gui R, Zu Y, Li Z, Wang D, Mao Y, Wang X, Wang H, Song Y, Zhou J. Successful outcomes of second hematopoietic stem cell transplantation for graft failure in pediatric patients with severe aplastic anemia. Sci Rep 2022; 12:10528. [PMID: 35732877 PMCID: PMC9217791 DOI: 10.1038/s41598-022-14665-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2021] [Accepted: 05/10/2022] [Indexed: 12/05/2022] Open
Abstract
Severe aplastic anemia (SAA) is a life-threatening hematological disorder. The major therapies include matched sibling donor (MSD)- hematopoietic stem cell transplantation (HSCT), matched unrelated donor (MUD)-HSCT and immunosuppressive therapy (IST). However, there are many problems that can occur after HSCT, and graft failure (GF) is one of the most serious complications. To find an effective treatment, we analyzed 10 cases of second HSCT to treat SAA pediatric patients who suffered from GF and concluded that second haploidentical family donors HSCT is an effective treatment. Moreover, adding a small dose of busulfan or 2 ~ 3 Gy total body irradiation (TBI) in nonmyeloablative regimens (NMAs) can promote the engraftment. Although the study also showed that PBSCs, as a source of stem cells, can promote the implantation of neutrophil cells, due to small sample size, more research is still needed.
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Affiliation(s)
- Meijie He
- Department of Hematology, Affiliated Cancer Hospital of Zhengzhou University and Henan Cancer Hospital, Zhengzhou, 450003, Henan, China
| | - Ruirui Gui
- Department of Hematology, Affiliated Cancer Hospital of Zhengzhou University and Henan Cancer Hospital, Zhengzhou, 450003, Henan, China
| | - Yingling Zu
- Department of Hematology, Affiliated Cancer Hospital of Zhengzhou University and Henan Cancer Hospital, Zhengzhou, 450003, Henan, China
| | - Zhen Li
- Department of Hematology, Affiliated Cancer Hospital of Zhengzhou University and Henan Cancer Hospital, Zhengzhou, 450003, Henan, China
| | - Dao Wang
- The First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450003, Henan, China
| | - Yanna Mao
- Children'S Hospital Affiliated of Zhengzhou University and Henan Children's Hospital, Zhengzhou, 450008, Henan, China
| | - Xianjing Wang
- The Third People's Hospital of Zhengzhou, Zhengzhou, 450000, Henan, China
| | - Huili Wang
- The Third People's Hospital of Zhengzhou, Zhengzhou, 450000, Henan, China
| | - Yongping Song
- Department of Hematology, Affiliated Cancer Hospital of Zhengzhou University and Henan Cancer Hospital, Zhengzhou, 450003, Henan, China
| | - Jian Zhou
- Department of Hematology, Affiliated Cancer Hospital of Zhengzhou University and Henan Cancer Hospital, Zhengzhou, 450003, Henan, China.
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Xu LP, Xu ZL, Zhang YY, Cheng YF, Mo XD, Han TT, Wang FR, Yan CH, Sun YQ, Chen YH, Tang FF, Han W, Wang Y, Zhang XH, Liu KY, Huang XJ. Bulsufan decreases the incidence of mixed chimaerism in HLA-matched donor transplantation for severe aplastic anaemia. Bone Marrow Transplant 2022; 57:1204-1206. [PMID: 35508709 DOI: 10.1038/s41409-022-01682-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2021] [Revised: 04/04/2022] [Accepted: 04/05/2022] [Indexed: 11/09/2022]
Affiliation(s)
- Lan-Ping Xu
- Peking University People's Hospital, Peking University Institute of Hematology, Beijing, China.,National Clinical Research Center for Hematologic Disease, Beijing, China
| | - Zheng-Li Xu
- Peking University People's Hospital, Peking University Institute of Hematology, Beijing, China.,National Clinical Research Center for Hematologic Disease, Beijing, China
| | - Yuan-Yuan Zhang
- Peking University People's Hospital, Peking University Institute of Hematology, Beijing, China.,National Clinical Research Center for Hematologic Disease, Beijing, China
| | - Yi-Fei Cheng
- Peking University People's Hospital, Peking University Institute of Hematology, Beijing, China.,National Clinical Research Center for Hematologic Disease, Beijing, China
| | - Xiao-Dong Mo
- Peking University People's Hospital, Peking University Institute of Hematology, Beijing, China.,National Clinical Research Center for Hematologic Disease, Beijing, China
| | - Ting-Ting Han
- Peking University People's Hospital, Peking University Institute of Hematology, Beijing, China.,National Clinical Research Center for Hematologic Disease, Beijing, China
| | - Feng-Rong Wang
- Peking University People's Hospital, Peking University Institute of Hematology, Beijing, China.,National Clinical Research Center for Hematologic Disease, Beijing, China
| | - Chen-Hua Yan
- Peking University People's Hospital, Peking University Institute of Hematology, Beijing, China.,National Clinical Research Center for Hematologic Disease, Beijing, China
| | - Yu-Qian Sun
- Peking University People's Hospital, Peking University Institute of Hematology, Beijing, China.,National Clinical Research Center for Hematologic Disease, Beijing, China
| | - Yu-Hong Chen
- Peking University People's Hospital, Peking University Institute of Hematology, Beijing, China.,National Clinical Research Center for Hematologic Disease, Beijing, China
| | - Fei-Fei Tang
- Peking University People's Hospital, Peking University Institute of Hematology, Beijing, China.,National Clinical Research Center for Hematologic Disease, Beijing, China
| | - Wei Han
- Peking University People's Hospital, Peking University Institute of Hematology, Beijing, China.,National Clinical Research Center for Hematologic Disease, Beijing, China
| | - Yu Wang
- Peking University People's Hospital, Peking University Institute of Hematology, Beijing, China.,National Clinical Research Center for Hematologic Disease, Beijing, China
| | - Xiao-Hui Zhang
- Peking University People's Hospital, Peking University Institute of Hematology, Beijing, China.,National Clinical Research Center for Hematologic Disease, Beijing, China
| | - Kai-Yan Liu
- Peking University People's Hospital, Peking University Institute of Hematology, Beijing, China.,National Clinical Research Center for Hematologic Disease, Beijing, China
| | - Xiao-Jun Huang
- Peking University People's Hospital, Peking University Institute of Hematology, Beijing, China. .,National Clinical Research Center for Hematologic Disease, Beijing, China. .,Beijing Key Laboratory of Hematopoietic Stem Cell Transplantation, Beijing, China. .,Peking-Tsinghua Center for Life Sciences, Beijing, China.
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