Literature DB >> 737174

Local osmotic coupling to the active trans-endothelial bicarbonate flux in the rabbit cornea.

K R Mayes, S Hodson.   

Abstract

The present experiments investigate HCO3-, Cl- and fluid fluxes across partially destromalised corneas. Although there is no net flux of Cl-, there is a net flux of HCO-3 across the endothelium from stromal side to aqueous side which is accompanied by a flux of water in the same direction. Bulk phase osmosis cannot account for the initiation of the flux of fluid. Local osmotic coupling between ions and water is postulated to occur in the preparation. The exudate is hypertonic to the bathing Ringer solution.

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Year:  1978        PMID: 737174     DOI: 10.1016/0005-2736(78)90299-7

Source DB:  PubMed          Journal:  Biochim Biophys Acta        ISSN: 0006-3002


  9 in total

1.  Intercellular spaces in chemically fixed corneal endothelia are related to solute pump activity not to solvent coupling.

Authors:  S Hodson; K R Mayes
Journal:  J Physiol       Date:  1979-09       Impact factor: 5.182

2.  The permeability of rabbit and human corneal endothelium.

Authors:  S Hodson; C Wigham
Journal:  J Physiol       Date:  1983-09       Impact factor: 5.182

3.  Amiloride inhibition of Na+-entry into corneal endothelium.

Authors:  A Midelfart; S K Ratkje
Journal:  Pflugers Arch       Date:  1985-04       Impact factor: 3.657

4.  Analysis of presteady-state Na+ fluxes across the rabbit corneal endothelium.

Authors:  J J Lim; H H Ussing
Journal:  J Membr Biol       Date:  1982       Impact factor: 1.843

5.  Fluid transport across retinal pigment epithelium is inhibited by cyclic AMP.

Authors:  S S Miller; B A Hughes; T E Machen
Journal:  Proc Natl Acad Sci U S A       Date:  1982-03       Impact factor: 11.205

6.  Fluid transport by the cornea endothelium is dependent on buffering lactic acid efflux.

Authors:  Shimin Li; Edward Kim; Joseph A Bonanno
Journal:  Am J Physiol Cell Physiol       Date:  2016-05-25       Impact factor: 4.249

7.  The effects of amiloride, ouabain and osmolality on sodium transport across bovine cornea.

Authors:  A Midelfart
Journal:  Pflugers Arch       Date:  1987-03       Impact factor: 3.657

8.  Role of NBC1 in apical and basolateral HCO3- permeabilities and transendothelial HCO3- fluxes in bovine corneal endothelium.

Authors:  Jinhua Li; Xing Cai Sun; Joseph A Bonanno
Journal:  Am J Physiol Cell Physiol       Date:  2004-11-17       Impact factor: 4.249

9.  Corneal Endothelial Pump Coupling to Lactic Acid Efflux in the Rabbit and Mouse.

Authors:  Shimin Li; Edward Kim; Diego G Ogando; Joseph A Bonanno
Journal:  Invest Ophthalmol Vis Sci       Date:  2020-02-07       Impact factor: 4.799

  9 in total

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