Hormone de croissance placentaire. Signification par rapport aux hormones de croissance et lactogène
Reproduction Nutrition Development(1988)
Abstract
Summary. Placentalgrowth hormone. Significance relative to pituitary growth hormones and placental lactogen hormone. Normal human placenta secretes within maternal compartment a pregnancy associated protein, placental growth hormone (PGH). This entity, agonist of pituitary GH, appears responsible for the elevated IGF I blood levels observed in the mother during pregnancy, while pituitary GH is no longer secreted. PGH could thus play a significant role in the anabolic processes of pregnancy. The biochemical mechanism responsible for PGH production is the expression of the GH-V gene at the placental level. This has been demonstrated by the positive probing of GH-V mRNA in this tissue, by the establishment of the restriction map and sequence of its cDNA as well as by the NH2-terminal sequence
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Key words
hormone,hormones
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