IOVS Is this journal stale?
HOME HELP FEEDBACK SUBSCRIPTIONS ARCHIVE SEARCH TABLE OF CONTENTS
QUICK SEARCH:   [advanced]


     

This Article
Right arrow Full Text (PDF)
Right arrow Submit a response
Right arrow Alert me when this article is cited
Right arrow Alert me when eLetters are posted
Right arrow Alert me if a correction is posted
Services
Right arrow Email this article to a friend
Right arrow Similar articles in this journal
Right arrow Similar articles in PubMed
Right arrow Alert me to new issues of the journal
Right arrow Download to citation manager
Right arrow reprints & permissions
Citing Articles
Right arrow Citing Articles via HighWire
Right arrow Citing Articles via Google Scholar
Google Scholar
Right arrow Articles by Salceda, R.
Right arrow Search for Related Content
PubMed
Right arrow PubMed Citation
Right arrow Articles by Salceda, R.

Investigative Ophthalmology & Visual Science, Vol 30, 2114-2117, Copyright © 1989 by Association for Research in Vision and Ophthalmology

ARTICLES AND REPORTS

45Ca uptake by retinal pigment epithelial cells

R Salceda
Instituto de Fisiologia Celular, Universidad Nacional Autonoma de Mexico, Mexico D.F.

Uptake of 45Ca was studied in isolated frog retinal pigment epithelial cells. 45Ca accumulation was found to be a saturable, temperature- dependent event. Kinetic analysis of this accumulation revealed two transport systems with apparent km of 2.0 and 0.3 mM. We found the presence of a Na-Ca exchanger mechanism that releases Ca2 under depolarized conditions. Light induced an increase of 45Ca uptake due to activation of the Na-K-ATPase and consequent decrease of extracellular potassium concentration.


This article has been cited by other articles:


Home page
 J. Cell Sci.Home page
C King-Smith, P Chen, D Garcia, H Rey, and B Burnside
Calcium-independent regulation of pigment granule aggregation and dispersion in teleost retinal pigment epithelial cells
J. Cell Sci., January 1, 1996; 109(1): 33 - 43.
[Abstract] [PDF]


HOME HELP FEEDBACK SUBSCRIPTIONS ARCHIVE SEARCH TABLE OF CONTENTS
Copyright © 1989 by the Association for Research in Vision and Ophthalmology