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Protein kinase C and ion transport in the posterior gills of the Chinese crab Eriocheir sinensis
Asselbourg, V.; Trausch, G.; Gilles, R.; Devos, P. (1991). Protein kinase C and ion transport in the posterior gills of the Chinese crab Eriocheir sinensis. Mar. Biol. (Berl.) 109(1): 115-119. https://dx.doi.org/10.1007/BF01320237
In: Marine Biology: International Journal on Life in Oceans and Coastal Waters. Springer: Heidelberg; Berlin. ISSN 0025-3162; e-ISSN 1432-1793, meer
Peer reviewed article  

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Trefwoorden
    Eriocheir sinensis H. Milne Edwards, 1853 [WoRMS]
    Marien/Kust

Auteurs  Top 
  • Asselbourg, V.
  • Trausch, G.
  • Gilles, R., meer
  • Devos, P.

Abstract
    The possible involvement of protein kinase C in control of ion transport was investigated on a preparation of isolated, perfused posterior gills of the Chinese crabsEriocheir sinensis (collected in 1989 from lakes near Emden, northern Germany) acclimated to fresh water. 1-oleyl-2-acetyl-sn-glycerol (OAG) and phorbol 12-myristate 13-acetate (PMA), two activators of protein kinase C, when added to the perfusion saline, induced depolarisation of the transepithelial potential difference (PD) and an increase in transepithelial Na+ influx. The observed increase was proportional to OAG concentration up to 250µM, with a 2.5× accelerated Na+ influx. OAG and PMA remained without effect on Cl fluxes. The observed effects were in agreement with an activation, via protein kinase C, of the Na+/K+ ATPase located on the serosal side of the epithelium.

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