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Relative matrix metalloproteinase (MMP) and tissue inhibitor of metalloproteinase (TIMP) expression in fetal myocardium of Con (open bars) and OB (filled bars) sheep at 75 dG. MMP9 and TIMP3 were higher in the Con group compared with OB sheep. TIMP1 in the OB group tended to increase compared with Con. *P < 0.05; mean ± SE; n = 5.
