| http://www.w3.org/ns/prov#value | - Among these receptors, LPA1, LPA2, and LPA3 are widely expressed in most tissues and react with Gi, Gq, G12/13, or Gs.13 LPA4 is expressed in specific organs, such as the pancreas, ovaries, and thymus; it raises intracellular Ca2+ and cAMP levels through activating Gq and G12/13.
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