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Gene Review

Cntn3  -  contactin 3 (plasmacytoma associated)

Rattus norvegicus

Synonyms: BIG-1, Brain-derived immunoglobulin superfamily protein 1, Contactin-3, Pang
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High impact information on Cntn3

  • Recombinant BIG-1 protein has a neurite outgrowth-promoting activity when used as a substrate for neurons in vitro [1].
  • We have cloned a rat cDNA for a novel brain-derived immunoglobulin (Ig) superfamily molecule, BIG-1, by using PCR based on the amino acid sequences of the two closely related and well-known Ig superfamily members, rat TAG-1 and mouse F3 [1].
  • Our work in cultured cells previously showed that high glucose caused activation of protein kinase A (PKA) and subsequent phosphorylation and inhibition of G6PD activity and hence decreased NADPH (Zhang Z, Apse K, Pang J, and Stanton RC. J Biol Chem 275:40042-40047, 2000) [2].
  • The outgrowth of neurites from conventional PC12 cells by NGF was suppressed by the addition of 50 microM PD98059 as reported by Pang et al [3].
  • Analysis based on metabolite kinetics [K. S. Pang, J. Pharmacokin. Biopharm., 13, 633 (1985)] of the area under the plasma concentration curves (AUCplasma) and cumulative biliary excretions (Aibile) of the ligands after intravenous or hepatic portal venous administration of LG revealed that the liver has the ability to generate all the metabolites [4].

Anatomical context of Cntn3

  • [L. Pang, T. Sawada, J. Stuart,S.J. Decker, A.R. Saltiel, Inhibition of MAP kinase kinase blocks the differentiation of PC12 cells induced by nerve growth factor, J. Biol. Chem. 270 (1995) 13585-13588] [3].
  • The data indicate that, as previously postulated (I. A. M. de Lannoy and K. S. Pang, Drug Metab. Dispos. 14: 513-520, 1986), the enalaprilat flux across liver cell membranes is retarded by a diffusional barrier [5].


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