Clonality in myelodysplastic syndromes: demonstration of pluripotent stem cell origin using X‐linked restriction fragment length polymorphisms

Clonality in myelodysplastic syndromes: demonstration of pluripotent stem cell origin using X‐linked restriction fragment length polymorphisms
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骨髓增生异常综合征中的克隆性:使用 X 连锁限制性片段长度多态性证明多能干细胞起源

DOI:
10.1111/j.1365-2141.1993.tb04695.x
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发表时间:
1993
影响因子:
6.5
通讯作者:
T. Naruse
T. Naruse
中科院分区:
医学2区
文献类型:
--
作者:
N. Tsukamoto;K. Morita;T. Maehara;K. Okamoto;M. Karasawa;M. Omine;T. Naruse

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采用X染色体基因磷酸甘油酸激酶(PGK)和次黄嘌呤磷酸核糖转移酶(HPRT)的限制性片段长度多态性(RFLP)来确定22例骨髓增生异常综合征(MDS)患者的克隆性质。其中包括8例难治性贫血(RA)、4例RA伴环形铁粒幼细胞(RARS)、6例RA伴原始细胞过多(RAEB)、3例RAEB转化(RAEB-T)和1例慢性粒单核细胞白血病(CMML)。在19/22例患者中观察到单克隆X失活模式。其余3例,RA、RARS和RAEB各1例,为多克隆组成。对前6例患者的T淋巴细胞和粒细胞组分进行分离分析,结果显示T淋巴细胞和粒细胞组分显示出X失活的单克隆模式。这些结果支持这样的观点,即大多数MDS产生于能够髓样和淋巴样分化的多能干细胞。
Restriction fragment length polymorphisms (RFLP) of the X‐chromosome genes phosphoglycerate kinase (PGK) and hypoxanthine phorphoribosyltransferase (HPRT) were used to determine the clonal nature of myelodysplastic syndromes (MDS) in 22 patients. These included eight with refractory anaemia (RA), four with RA with ring sideroblasts (RARS), six with RA with an excess of blasts (RAEB), three with RAEB in transformation (RAEB‐T), and one with chronic myelomonocytic leukaemia (CMML). Monoclonal X‐inactivation patterns were observed in 19/22 patients. The remaining three cases, one each with RA, RARS and RAEB, were of polyclonal composition. Separated T‐lymphocyte and granulocyte fraction analyses in six patients of the former cases revealed that T‐lymphocyte as well as granulocyte fractions showed a monoclonal pattern of X‐inactivation. These results support the view that the majority of MDS arise from a pluripotent stem cell capable of myeloid and lymphoid differentiation.
人类肿瘤细胞中 DNA 甲基化的程度。
DOI: --
发表时间: 1983
期刊: Journal of the National Cancer Institute
影响因子: --
作者:
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通讯作者: Hoffman,RM
DOI: --
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影响因子: 11.2
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DOI: 10.1126/science.2982210
发表时间: 1985-01-01
期刊: SCIENCE
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骨髓增生异常综合征多步发病机制的证据。
DOI: --
发表时间: 1984
期刊: Blood
影响因子: 20.3
作者:
Raskind,WH;Tirumali,N;Jacobson,R;Singer,J;Fialkow,PJ
通讯作者: Fialkow,PJ