PGE in the regulation of programmed erythrocyte death
Hyperosmotic shock, energy depletion, or removal of extracellular Cl(-) activates Ca(2+)-permeable cation channels in erythrocyte membranes. Subsequent Ca(2+) entry induces erythrocyte shrinkage and exposure of phosphatidylserine (PS) at the erythrocyte surface. PS-exposing cells are engulfed by mac...
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Veröffentlicht in: | Cell death and differentiation 2005-05, Vol.12 (5), p.415-428 |
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creator | Lang, P A Kempe, D S Myssina, S Tanneur, V Birka, C Laufer, S Lang, F Wieder, T Huber, S M |
description | Hyperosmotic shock, energy depletion, or removal of extracellular Cl(-) activates Ca(2+)-permeable cation channels in erythrocyte membranes. Subsequent Ca(2+) entry induces erythrocyte shrinkage and exposure of phosphatidylserine (PS) at the erythrocyte surface. PS-exposing cells are engulfed by macrophages. The present study explored the signalling involved. Hyperosmotic shock and Cl(-) removal triggered the release of prostaglandin E(2) (PGE(2)). In whole-cell recording, activation of the cation channels by Cl(-) removal was abolished by the cyclooxygenase inhibitor diclophenac. In FACS analysis, phospholipase-A(2) inhibitors quinacrine and palmitoyltrifluoromethyl-ketone, and cyclooxygenase inhibitors acetylsalicylic acid and diclophenac, blunted the increase of PS exposure following Cl(-) removal. PGE(2) (but not thromboxane) induced cation channel activation, increase in cytosolic Ca(2+) concentration, cell shrinkage, PS exposure, calpain activation, and ankyrin-R degradation. The latter was attenuated by calpain inhibitors-I/II, while PGE(2)-induced PS exposure was not. In conclusion, hyperosmotic shock or Cl(-) removal stimulates erythrocyte PS exposure through PGE(2) formation and subsequent activation of Ca(2+)-permeable cation channels. |
doi_str_mv | 10.1038/sj.cdd.4401561 |
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Subsequent Ca(2+) entry induces erythrocyte shrinkage and exposure of phosphatidylserine (PS) at the erythrocyte surface. PS-exposing cells are engulfed by macrophages. The present study explored the signalling involved. Hyperosmotic shock and Cl(-) removal triggered the release of prostaglandin E(2) (PGE(2)). In whole-cell recording, activation of the cation channels by Cl(-) removal was abolished by the cyclooxygenase inhibitor diclophenac. In FACS analysis, phospholipase-A(2) inhibitors quinacrine and palmitoyltrifluoromethyl-ketone, and cyclooxygenase inhibitors acetylsalicylic acid and diclophenac, blunted the increase of PS exposure following Cl(-) removal. PGE(2) (but not thromboxane) induced cation channel activation, increase in cytosolic Ca(2+) concentration, cell shrinkage, PS exposure, calpain activation, and ankyrin-R degradation. The latter was attenuated by calpain inhibitors-I/II, while PGE(2)-induced PS exposure was not. In conclusion, hyperosmotic shock or Cl(-) removal stimulates erythrocyte PS exposure through PGE(2) formation and subsequent activation of Ca(2+)-permeable cation channels.</description><identifier>ISSN: 1350-9047</identifier><identifier>EISSN: 1476-5403</identifier><identifier>DOI: 10.1038/sj.cdd.4401561</identifier><identifier>PMID: 15746942</identifier><language>eng</language><publisher>England</publisher><subject>Ankyrins - metabolism ; Annexins - metabolism ; Apoptosis - drug effects ; Calcium - metabolism ; Calcium Channels - drug effects ; Calpain - metabolism ; Cell Size - drug effects ; Chlorides - metabolism ; Cyclooxygenase Inhibitors - pharmacology ; Cytosol - drug effects ; Diclofenac - pharmacology ; Enzyme Inhibitors - pharmacology ; Erythrocytes - drug effects ; Flow Cytometry ; Humans ; Models, Biological ; Osmotic Pressure - drug effects ; Patch-Clamp Techniques ; Phosphatidylserines - metabolism ; Phospholipases A - metabolism ; Prostaglandins E - pharmacology ; Prostaglandins E - secretion ; Quinacrine - pharmacology ; Saline Solution, Hypertonic</subject><ispartof>Cell death and differentiation, 2005-05, Vol.12 (5), p.415-428</ispartof><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,780,784,27924,27925</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/15746942$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Lang, P A</creatorcontrib><creatorcontrib>Kempe, D S</creatorcontrib><creatorcontrib>Myssina, S</creatorcontrib><creatorcontrib>Tanneur, V</creatorcontrib><creatorcontrib>Birka, C</creatorcontrib><creatorcontrib>Laufer, S</creatorcontrib><creatorcontrib>Lang, F</creatorcontrib><creatorcontrib>Wieder, T</creatorcontrib><creatorcontrib>Huber, S M</creatorcontrib><title>PGE in the regulation of programmed erythrocyte death</title><title>Cell death and differentiation</title><addtitle>Cell Death Differ</addtitle><description>Hyperosmotic shock, energy depletion, or removal of extracellular Cl(-) activates Ca(2+)-permeable cation channels in erythrocyte membranes. Subsequent Ca(2+) entry induces erythrocyte shrinkage and exposure of phosphatidylserine (PS) at the erythrocyte surface. PS-exposing cells are engulfed by macrophages. The present study explored the signalling involved. Hyperosmotic shock and Cl(-) removal triggered the release of prostaglandin E(2) (PGE(2)). In whole-cell recording, activation of the cation channels by Cl(-) removal was abolished by the cyclooxygenase inhibitor diclophenac. In FACS analysis, phospholipase-A(2) inhibitors quinacrine and palmitoyltrifluoromethyl-ketone, and cyclooxygenase inhibitors acetylsalicylic acid and diclophenac, blunted the increase of PS exposure following Cl(-) removal. PGE(2) (but not thromboxane) induced cation channel activation, increase in cytosolic Ca(2+) concentration, cell shrinkage, PS exposure, calpain activation, and ankyrin-R degradation. The latter was attenuated by calpain inhibitors-I/II, while PGE(2)-induced PS exposure was not. In conclusion, hyperosmotic shock or Cl(-) removal stimulates erythrocyte PS exposure through PGE(2) formation and subsequent activation of Ca(2+)-permeable cation channels.</description><subject>Ankyrins - metabolism</subject><subject>Annexins - metabolism</subject><subject>Apoptosis - drug effects</subject><subject>Calcium - metabolism</subject><subject>Calcium Channels - drug effects</subject><subject>Calpain - metabolism</subject><subject>Cell Size - drug effects</subject><subject>Chlorides - metabolism</subject><subject>Cyclooxygenase Inhibitors - pharmacology</subject><subject>Cytosol - drug effects</subject><subject>Diclofenac - pharmacology</subject><subject>Enzyme Inhibitors - pharmacology</subject><subject>Erythrocytes - drug effects</subject><subject>Flow Cytometry</subject><subject>Humans</subject><subject>Models, Biological</subject><subject>Osmotic Pressure - drug effects</subject><subject>Patch-Clamp Techniques</subject><subject>Phosphatidylserines - metabolism</subject><subject>Phospholipases A - metabolism</subject><subject>Prostaglandins E - pharmacology</subject><subject>Prostaglandins E - secretion</subject><subject>Quinacrine - pharmacology</subject><subject>Saline Solution, Hypertonic</subject><issn>1350-9047</issn><issn>1476-5403</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2005</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNo9kDtPwzAUhS0EoqWwsoE8sSXY8TMjqkpBqgQDzJFjX7ep8ii2M_TfE6mF6Z7h09F3LkL3lOSUMP0c97l1LuecUCHpBZpTrmQmOGGXU2aCZCXhaoZuYtwTQqQq5TWaUaG4LHkxR-JzvcJNj9MOcIDt2JrUDD0ePD6EYRtM14HDEI5pFwZ7TIAdmLS7RVfetBHuzneBvl9XX8u3bPOxfl--bLKeSpoyKpzU5eRHmdeMUlKbwlonhDZgmSqE8LV0XPAaPFO181aBF8Z5KkphnWcL9HTqnWR-Roip6ppooW1ND8MYK6l0yQqtJ_DxDI71ZFwdQtOZcKz-hk7AwwnoTRoD_APnx7FfWRJfoQ</recordid><startdate>200505</startdate><enddate>200505</enddate><creator>Lang, P A</creator><creator>Kempe, D S</creator><creator>Myssina, S</creator><creator>Tanneur, V</creator><creator>Birka, C</creator><creator>Laufer, S</creator><creator>Lang, F</creator><creator>Wieder, T</creator><creator>Huber, S M</creator><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>7X8</scope></search><sort><creationdate>200505</creationdate><title>PGE in the regulation of programmed erythrocyte death</title><author>Lang, P A ; Kempe, D S ; Myssina, S ; Tanneur, V ; Birka, C ; Laufer, S ; Lang, F ; Wieder, T ; Huber, S M</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-n161t-15d689cdd13f83110ba2ccd558aec37255fb6d454bef37bdfc7ef5adf1595cdf3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2005</creationdate><topic>Ankyrins - metabolism</topic><topic>Annexins - metabolism</topic><topic>Apoptosis - drug effects</topic><topic>Calcium - metabolism</topic><topic>Calcium Channels - drug effects</topic><topic>Calpain - metabolism</topic><topic>Cell Size - drug effects</topic><topic>Chlorides - metabolism</topic><topic>Cyclooxygenase Inhibitors - pharmacology</topic><topic>Cytosol - drug effects</topic><topic>Diclofenac - pharmacology</topic><topic>Enzyme Inhibitors - pharmacology</topic><topic>Erythrocytes - drug effects</topic><topic>Flow Cytometry</topic><topic>Humans</topic><topic>Models, Biological</topic><topic>Osmotic Pressure - drug effects</topic><topic>Patch-Clamp Techniques</topic><topic>Phosphatidylserines - metabolism</topic><topic>Phospholipases A - metabolism</topic><topic>Prostaglandins E - pharmacology</topic><topic>Prostaglandins E - secretion</topic><topic>Quinacrine - pharmacology</topic><topic>Saline Solution, Hypertonic</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Lang, P A</creatorcontrib><creatorcontrib>Kempe, D S</creatorcontrib><creatorcontrib>Myssina, S</creatorcontrib><creatorcontrib>Tanneur, V</creatorcontrib><creatorcontrib>Birka, C</creatorcontrib><creatorcontrib>Laufer, S</creatorcontrib><creatorcontrib>Lang, F</creatorcontrib><creatorcontrib>Wieder, T</creatorcontrib><creatorcontrib>Huber, S M</creatorcontrib><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>MEDLINE - Academic</collection><jtitle>Cell death and differentiation</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Lang, P A</au><au>Kempe, D S</au><au>Myssina, S</au><au>Tanneur, V</au><au>Birka, C</au><au>Laufer, S</au><au>Lang, F</au><au>Wieder, T</au><au>Huber, S M</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>PGE in the regulation of programmed erythrocyte death</atitle><jtitle>Cell death and differentiation</jtitle><addtitle>Cell Death Differ</addtitle><date>2005-05</date><risdate>2005</risdate><volume>12</volume><issue>5</issue><spage>415</spage><epage>428</epage><pages>415-428</pages><issn>1350-9047</issn><eissn>1476-5403</eissn><abstract>Hyperosmotic shock, energy depletion, or removal of extracellular Cl(-) activates Ca(2+)-permeable cation channels in erythrocyte membranes. Subsequent Ca(2+) entry induces erythrocyte shrinkage and exposure of phosphatidylserine (PS) at the erythrocyte surface. PS-exposing cells are engulfed by macrophages. The present study explored the signalling involved. Hyperosmotic shock and Cl(-) removal triggered the release of prostaglandin E(2) (PGE(2)). In whole-cell recording, activation of the cation channels by Cl(-) removal was abolished by the cyclooxygenase inhibitor diclophenac. In FACS analysis, phospholipase-A(2) inhibitors quinacrine and palmitoyltrifluoromethyl-ketone, and cyclooxygenase inhibitors acetylsalicylic acid and diclophenac, blunted the increase of PS exposure following Cl(-) removal. PGE(2) (but not thromboxane) induced cation channel activation, increase in cytosolic Ca(2+) concentration, cell shrinkage, PS exposure, calpain activation, and ankyrin-R degradation. The latter was attenuated by calpain inhibitors-I/II, while PGE(2)-induced PS exposure was not. In conclusion, hyperosmotic shock or Cl(-) removal stimulates erythrocyte PS exposure through PGE(2) formation and subsequent activation of Ca(2+)-permeable cation channels.</abstract><cop>England</cop><pmid>15746942</pmid><doi>10.1038/sj.cdd.4401561</doi><tpages>14</tpages><oa>free_for_read</oa></addata></record> |
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source | MEDLINE; Elektronische Zeitschriftenbibliothek - Frei zugängliche E-Journals; SpringerLink Journals - AutoHoldings |
subjects | Ankyrins - metabolism Annexins - metabolism Apoptosis - drug effects Calcium - metabolism Calcium Channels - drug effects Calpain - metabolism Cell Size - drug effects Chlorides - metabolism Cyclooxygenase Inhibitors - pharmacology Cytosol - drug effects Diclofenac - pharmacology Enzyme Inhibitors - pharmacology Erythrocytes - drug effects Flow Cytometry Humans Models, Biological Osmotic Pressure - drug effects Patch-Clamp Techniques Phosphatidylserines - metabolism Phospholipases A - metabolism Prostaglandins E - pharmacology Prostaglandins E - secretion Quinacrine - pharmacology Saline Solution, Hypertonic |
title | PGE in the regulation of programmed erythrocyte death |
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