FSH and LH

LH and FSH Gonadotrophins (they affect the gonads). Released from same cells in anterior pituitary (may even be in the same granules within the cell). Glycoproteins (carbohydrate and protein). This means they are antigenic and will degrade. Structure: 2 subunits * Alpha - same within species i.e. LH, FSH, TSH have same alpha unit within a species. * Beta - same between species i.e. LH in all species have same beta unit. Mechanism of action: *Bind cell membrane and cause cAMP production, *causes phosphorylation in cell. *a fast action results.

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