Altered muscle development and expression of the insulin-like growth factor system in growth retarded fetal pigs

R E Tilley, C J McNeil, C J Ashworth, K R Page, H J McArdle

Research output: Contribution to journalArticlepeer-review

Abstract / Description of output

We have used a porcine model of spontaneous differential fetal growth to investigate the effects of fetal size on muscle development. We hypothesized that altered muscle development may occur in small fetuses as a consequence of modified expression of selected genes of the insulin-like growth factor system. We examined the development of the Longissimus muscle (m. Longissimus) in small fetuses and their average sized littermates. We collected small for gestational age fetuses and their average sized sibling on days 45, 65 and 100 of gestation (term is 113-116 days). Small fetuses had significantly lower body weight at all three stages of gestation (p
Original languageEnglish
Pages (from-to)167-77
Number of pages11
JournalDomestic Animal Endocrinology
Volume32
Issue number3
DOIs
Publication statusPublished - Apr 2007

Keywords / Materials (for Non-textual outputs)

  • Animals
  • Female
  • Fetal Growth Retardation
  • Fetal Weight
  • Fetus
  • Gene Expression Regulation, Developmental
  • Insulin-Like Growth Factor Binding Protein 3
  • Insulin-Like Growth Factor Binding Protein 5
  • Insulin-Like Growth Factor Binding Proteins
  • Insulin-Like Growth Factor I
  • Insulin-Like Growth Factor II
  • Muscle Development
  • Muscle Fibers, Skeletal
  • Muscle, Skeletal
  • Myogenin
  • Pregnancy
  • Receptor, IGF Type 1
  • Receptor, IGF Type 2
  • Sus scrofa

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