| Ovine forkhead box class O 3 (FOXO3) gene variation and its association with lifespan. | |
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MedLine Citation:
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PMID: 23299403 Owner: NLM Status: Publisher |
Abstract/OtherAbstract:
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FOXO3 is a member of the FOXO (forkhead box class O) transcription factor family and has roles in cell cycle control, apoptosis, neural and hematopoietic cell differentiation and DNA repair among other functions. Several human studies provide evidence for an association between aging, longevity and variation in FOXO3. Recently variation has been identified in exon 2 of ovine FOXO3. This exon encodes the C-terminus of the DNA-binding domain and a transcription activation domain that is the key regulator of transcriptional activity in target genes. The association of genetic variation in exon 2 with lifespan was investigated in 1,732 New Zealand (NZ) sheep. Of the seven haplotypes detected, the presence of the D haplotype, which codes for an amino acid substitution (a conserved methionine residue is replaced by a valine) at residue 407, is associated with a decrease of 0.39 years in mean age (P = 0.034). Significant differences in mean age were also detected between genotypes containing D (AD: 4.7 ± 0.21; BD: 4.7 ± 0.25) and genotypes that did not contain D (AA: 5.1 ± 0.14; AB: 4.9 ± 0.18; BB: 5.3 ± 0.25). Other genotypes were rare in the sheep investigated and were not analyzed. This suggests that genetic variation in ovine FOXO3 influences the lifespan of sheep either directly or indirectly by impacting on factors that lead to reduced productivity and increased likelihood of culling. |
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Authors:
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Seung Ok Byun; Rachel H Forrest; Huitong Zhou; Chris M Frampton; Jon G H Hickford |
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Publication Detail:
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Type: JOURNAL ARTICLE Date: 2013-1-9 |
Journal Detail:
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Title: Molecular biology reports Volume: - ISSN: 1573-4978 ISO Abbreviation: Mol. Biol. Rep. Publication Date: 2013 Jan |
Date Detail:
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Created Date: 2013-1-9 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 0403234 Medline TA: Mol Biol Rep Country: - |
Other Details:
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Languages: ENG Pagination: - Citation Subset: - |
Affiliation:
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Department of Agricultural Science, Faculty of Agriculture and Life Sciences, Lincoln University, PO Box 84, Lincoln, 7647, Lincoln, New Zealand. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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