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A correction has been published: N Engl J Med 1999;340(5):402.

Original Article
Volume 339:1177-1185 October 22, 1998 Number 17
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Effect of Matching of Class I HLA Alleles on Clinical Outcome after Transplantation of Hematopoietic Stem Cells from an Unrelated Donor
Takehiko Sasazuki, M.D., Ph.D., Takeo Juji, M.D., Ph.D., Yasuo Morishima, M.D., Ph.D., Naoko Kinukawa, M.S., Hidehiko Kashiwabara, M.D., Ph.D., Hidetoshi Inoko, Ph.D., Takato Yoshida, M.D., Ph.D., Akinori Kimura, M.D., Ph.D., Tatsuya Akaza, M.S., Nobuhiro Kamikawaji, M.D., Ph.D., Yoshihisa Kodera, M.D., Ph.D., Fumimaro Takaku, M.D., Ph.D., Yoshiaki Nose, M.D., Ph.D., Takashi Ono, M.D., Takeo Sakamaki, M.D., Ph.D., Shunichi Kato, M.D., Ph.D., Yuichi Akiyama, M.D., Shinichiro Okamoto, M.D., Ph.D., Hiroo Dohy, M.D., Ph.D., Mine Harada, M.D., Ph.D., Shigetaka Asano, M.D., Ph.D., for The Japan Marrow Donor Program

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ABSTRACT

Background The requirements with respect to HLA compatibility and the relative importance of matching for individual class I and class II HLA alleles in the transplantation of hematopoietic stem cells from unrelated donors have not yet been established.

Methods We performed retrospective DNA typing of alleles at 11 polymorphic loci of HLA genes in 440 recipients of hematopoietic stem cells from unrelated donors who were serologically identical with their respective recipients for HLA-A, B, and DR antigens. Of these recipients, 80 percent had leukemia; the rest had lymphoma, marrow failure, or a congenital disorder.

Results Multivariate analysis showed that incompatibility for HLA-A alleles and incompatibility for HLA-C alleles were independent risk factors for severe acute graft-versus-host disease (GVHD) (HLA-A, P=0.006; HLA-C, P=0.001). Mismatching of HLA-A, but not of HLA-C, alleles was an independent risk factor for death (P<0.001). Mismatching of HLA-C alleles was a significant risk factor for relapse of leukemia (P=0.035). HLA-B disparity was a significant risk factor for both GVHD and death in the univariate analysis, but not in the multivariate analysis. Disparities in class II HLA alleles of the DRB1, DQA1, DQB1, DPA1, and DPB1 loci were not identified as significant risk factors for acute GVHD or death in the multivariate analysis.

Conclusions Genomic typing of class I HLA alleles adds substantially to the success of transplantation of hematopoietic stem cells from unrelated donors, even if the donors are serologically identical to their recipients with respect to HLA-A, B, and DR antigens.


Source Information

From the Department of Genetics, Medical Institute of Bioregulation (T.S., N. Kamikawaji), and the Department of Medical Informatics, Faculty of Medicine (N. Kinukawa), Kyushu University, Fukuoka; the Japanese Red Cross Central Blood Center, Tokyo (T.J., T.A.); the Department of Hematology and Chemotherapy, Aichi Cancer Center Hospital, Nagoya (Y.M.); the Department of Surgery, Sakura National Hospital, Chiba (H.K.); the Department of Genetic Information, Division of Molecular Life Science, Tokai University School of Medicine, Kanagawa (H.I.); the Department of Microbiology and Immunology, Showa University School of Medicine, Tokyo (T.Y.); the Department of Tissue Physiology, Division of Adult Diseases, Medical Research Institute, Tokyo Medical and Dental University, Tokyo (A.K.); the Department of Internal Medicine, Japanese Red Cross Nagoya First Hospital, Nagoya (Y.K.); and Jichi Medical School, Tochigi (F.T.) — all in Japan. Other authors were Yoshiaki Nose, M.D., Ph.D. (Department of Medical Informatics, Faculty of Medicine, Kyushu University), Takashi Ono, M.D. (Department of Genetics, Medical Institute of Bioregulation, Kyushu University), Takeo Sakamaki, M.D., Ph.D. (Division of Clinical Research, Sakura National Hospital), Shunichi Kato, M.D., Ph.D. (Department of Pediatrics, Tokai University School of Medicine), Yuichi Akiyama, M.D. (Department of Pediatrics, Kyoto University School of Medicine, Kyoto), Shinichiro Okamoto, M.D., Ph.D. (Department of Medicine, Keio University School of Medicine, Tokyo), Hiroo Dohy, M.D., Ph.D. (Department of Medicine, Hiroshima Red Cross Hospital and Atomic-Bomb Survivors Hospital, Hiroshima), Mine Harada, M.D., Ph.D. (Second Department of Internal Medicine, Okayama University School of Medicine, Okayama), and Shigetaka Asano, M.D., Ph.D. (Institute of Medical Science, Tokyo University, Tokyo).

Address reprint requests to Dr. Sasazuki at the Department of Genetics, Kyushu University, 3-1-1 Maidashi, Higashi-Ku, Fukuoka 812-8582, Japan.

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Related Letters:

Hematopoietic Stem-Cell Transplantation for Acute Leukemia
Eiermann T. H., van Bekkum D. W., Vriesendorp H. M., Machida U., Kami M., Hirai H., Bolan C. D., Leitman S. F., Sasazuki T., Juji T., Kodera Y., Aversa F., Martelli M. F., Reisner Y.
Extract | Full Text  
N Engl J Med 1999; 340:809-812, Mar 11, 1999. Correspondence

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