Adipose tissue of an organism plays a major role in regulating physiologic and pathologic processes such as metabolism and immunity by producing and secreting a variety of bioactive molecules termed adipokines. One highly conserved family of adipokines is adiponectin/ACRP30 and its structural and functional paralogs, the C1q/tumor necrosis factor-alpha-related proteins (CTRPs) 1-7. Unlike adiponectin, which is expressed exclusively by differentiated adipocytes, the CTRPs are expressed in a wide variety of tissues. These proteins are thought to act mainly on liver and muscle tissue to control glucose and lipid metabolism. An analysis of the crystal structure of adiponectin revealed a structural and evolutionary link between TNF and C1q-containing proteins, suggesting that these proteins arose from a common ancestral innate immunity gene. In obese (ob/ob) mice, RT-PCR analysis showed that mCTRP1 transcripts are seen at substantially higher levels in adipose tissues compared to those of normal mice.
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Protein Aliases: C1QTNF1; Complement C1q tumor necrosis factor-related protein 1; CTRP1; G protein coupled receptor interacting protein; G protein-coupled receptor-interacting protein; GIP; Putative secreted protein ZSIG37; ZSIG37
Gene Aliases: 1600017K21Rik; C1QTNF1; CTRP1; GIP; UNQ310/PRO353; ZSIG37