Spectrum of mitochondrial DNA deletions within the common deletion region induced by low levels of UVB irradiation of human keratinocytes in vitro
We show that a single low-dose exposure of human epidermal keratinocytes (NHEK) to an FS20 light source in vitro can induce the formation of mitochondrial DNA deletions in a PCR detection assay. We used primer sets specifically designed to exclude amplification of segments containing the common dele...
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| Veröffentlicht in: | Gene 2009-07, Vol.440 (1), p.23-27 |
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| creator | Hwang, Bor-Jang Kuttamperoor, Francis Wu, Julia Steinberg, Mark L. |
| description | We show that a single low-dose exposure of human epidermal keratinocytes (NHEK) to an FS20 light source
in vitro can induce the formation of mitochondrial DNA deletions in a PCR detection assay. We used primer sets specifically designed to exclude amplification of segments containing the common deletion, but which could detect possibly lower abundance deletions generated within the same region of the mitochondrial genome. We characterized eight novel deletions of which six were generated from cut sites within, or adjacent to, short direct repeats. Two deletions involved cut sites in inverted tetrameric repeats; one of these also involved an insertion. |
| doi_str_mv | 10.1016/j.gene.2009.03.019 |
| format | Article |
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in vitro can induce the formation of mitochondrial DNA deletions in a PCR detection assay. We used primer sets specifically designed to exclude amplification of segments containing the common deletion, but which could detect possibly lower abundance deletions generated within the same region of the mitochondrial genome. We characterized eight novel deletions of which six were generated from cut sites within, or adjacent to, short direct repeats. Two deletions involved cut sites in inverted tetrameric repeats; one of these also involved an insertion.</abstract><cop>Netherlands</cop><pub>Elsevier B.V</pub><pmid>19345726</pmid><doi>10.1016/j.gene.2009.03.019</doi><tpages>5</tpages><oa>free_for_read</oa></addata></record> |
| fulltext | fulltext |
| identifier | ISSN: 0378-1119 |
| ispartof | Gene, 2009-07, Vol.440 (1), p.23-27 |
| issn | 0378-1119 1879-0038 |
| language | eng |
| recordid | cdi_pubmedcentral_primary_oai_pubmedcentral_nih_gov_2706008 |
| source | MEDLINE; Elsevier ScienceDirect Journals Complete |
| subjects | Base Sequence - radiation effects DNA Damage DNA, Mitochondrial - chemistry Humans Inverted repeats Keratinocytes Keratinocytes - radiation effects Models, Genetic Molecular Sequence Data mtDNA deletion Reactive Oxygen Species - metabolism Sequence Deletion Ultraviolet Rays - adverse effects UVB |
| title | Spectrum of mitochondrial DNA deletions within the common deletion region induced by low levels of UVB irradiation of human keratinocytes in vitro |
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