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Matyler98 Matyler98
wrote...
Posts: 742
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6 years ago
The macrophage secretion that stimulates procollagen synthesis and secretion is:
 
  a. angiogenesis factor.
  b. matrix metalloproteinase.
  c. vascular endothelial growth factor.
  d. transforming growth factor-beta.
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wrote...
6 years ago
ANS: D
Macrophages secrete transforming growth factor-beta to stimulate fibroblasts to secrete the col-lagen precursor procollagen. Angiogenesis factor supports the growth of new vessels. Matrix metalloproteinase remodels proteins at the site of injury. Vascular endothelial growth factors are also involved in vessel growth.
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