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Korean J Hematol. 1998 Aug;33(2):171-176. Korean. Original Article.
Kim SW , Kim SH , Kim TW , Kim S , Park JS , Lee JH , Kim SB , Suh C , Lee KH , Lee JS , Kim WK , Lee IS , Kim A , Seo JJ , Chi HS .
Department of Medicine, Asan Medical Center, College of Medicine, University of Ulsan, Seoul, Korea.
Department of Obstetrics and Gynecology, Asan Medical Center, College of Medicine, University of Ulsan, Seoul, Korea.
Department of Pediatrics, Asan Medical Center, College of Medicine, University of Ulsan, Seoul, Korea.
Department of Clinical Pathology, Asan Medical Center, College of Medicine, University of Ulsan, Seoul, Korea.
Abstract

BACKGROUND: Because there are lower incidence of graft versus host disease in HLA mismatched cord blood transplantation compared to bone marrow transplantation, development of smaller scale cord blood bank could be possible. So we analysed the content of hematopoietic stem cell in cord blood and the distribution of HLA as a basic study for cord blood bank. METHODS: Seventy eight cord bloods were collected in heparinized bottle immediately after caesarian section. After expulsion of placenta, additional cord blood and placental blood were collected with heparinized syringe. Fifteen mL was sent to the laboratory for analysis and the rest was cryopreserved. RESULTS: The mean collected cord blood volume was 96.8mL (range, 55~163mL). And mean 81.8mL (range, 40~148mL) was cryopreserved. It contained mean 7.4x108 (range, 2.8x108~12.2x108) nucleated cells. In 2x105 mononuclear cells, 85 +/- 48 BFU-E, 19 +/- 17 CFU-E, 107 +/- 73 CFU-GM and 124 +/- 113 CFU-GEMM were present. With dextran/albumin thawing media, the viability of cryopreserved cord blood mononuclear cell was better than usual washing method with IMDM (82.3% vs. 74.6% P=0.004). Each cord blood could findHLA full matched, 5 loci matched and 4 loci matched cord blood in the remainders with the probability of 0, 11.9% and 58.4%. CONCLUSION: Development of more smaller scale cord blood bank could be possible compared to bone marrow bank.

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