<P>The length heteroplasmies in the hypervariable (HV) regions of mitochondrial DNA (mtDNA) from blood cells were examined in 57 healthy Korean donors. Interestingly, all the healthy Korean subjects displayed length heteroplasmies in both the HV...
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https://www.riss.kr/link?id=A107533672
2006
-
SCI,SCIE,SCOPUS
학술저널
1331-1340(10쪽)
0
상세조회0
다운로드다국어 초록 (Multilingual Abstract)
<P>The length heteroplasmies in the hypervariable (HV) regions of mitochondrial DNA (mtDNA) from blood cells were examined in 57 healthy Korean donors. Interestingly, all the healthy Korean subjects displayed length heteroplasmies in both the HV...
<P>The length heteroplasmies in the hypervariable (HV) regions of mitochondrial DNA (mtDNA) from blood cells were examined in 57 healthy Korean donors. Interestingly, all the healthy Korean subjects displayed length heteroplasmies in both the HV1 and HV2 regions. Closer examination of the HV2 length heteroplasmies indicated that most of these donors (84%) exhibited a minimal 303–315 homopolymeric C (poly-C) tract frameshift of 1 bp (mixture of one major and minor mtDNA type). Sixteen percent of the donors however had poly-C tract frameshifts of 2 bp or more. The donor group with major length variants (two or more frameshifts) had about a two-fold decrease in mtDNA copy number compared with the group exhibiting only a 1 bp frameshift. This result supports the possibility that a severe frameshift in the 303–315 poly-C tract may also cause the impairment of mtDNA replication in hematopoietic tissue.</P>