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Responsiveness of intestinal epithelial cell turnover to TGF-α after bowel resection in a rat is correlated with EGF receptor expression along the villus–crypt axis
Recent evidence suggests that transforming growth factor alpha (TGF-α) enhances enterocyte proliferation and stimulates intestinal adaptation after massive bowel resection. In the present study, we evaluated the effects of TGF-α on enterocyte turnover and correlated it with epidermal-growth factor (...
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| Published in: | Pediatric surgery international 2008, Vol.24 (1), p.21-28 |
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| creator | Sukhotnik, Igor Mogilner, Jorge G. Shaoul, Ron Karry, Rahel Lieber, Michael Suss-Toby, Edith Ure, Benno M. Coran, Arnold G. |
| description | Recent evidence suggests that transforming growth factor alpha (TGF-α) enhances enterocyte proliferation and stimulates intestinal adaptation after massive bowel resection. In the present study, we evaluated the effects of TGF-α on enterocyte turnover and correlated it with epidermal-growth factor (EGF) receptor expression along the villus–crypt axis in a rat model of short bowel syndrome (SBS). Male rats were divided into three groups, sham rats underwent bowel transection (group A); SBS rats underwent a 75% bowel resection (group B); and SBS/TGF-α rats underwent bowel resection and were treated with TGF-α (75 μg/kg) (group C) from the seventh postoperative day. Parameters of intestinal adaptation, enterocyte proliferation and apoptosis were determined on day 15. Villus tips, lateral villi and crypts were separated using laser capture microdissection. EGF receptor expression for each compartment was assessed by quantitative real-time PCR (Taqman). Statistical analysis was performed using one-way ANOVA test, with
P
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| doi_str_mv | 10.1007/s00383-007-2038-z |
| format | article |
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P
< 0.05 considered statistically significant. Treatment with TGF-α resulted in a significant increase in all parameters of intestinal adaptation. EGF receptor expression in crypts significantly increased in SBS rats (vs sham rats) (0.035 ± 0.013 vs 0.010 ± 0.002 Log ng Total RNA/18 s) and was accompanied by a significant increase in enterocyte proliferation (169 ± 8 vs 138 ± 5 BrdU positive cells/per 10 crypts,
P
< 0.05) and decreased apoptosis following TGF-α administration (group C). A significant decrease in EGF receptor expression at the tip of the villus (0.005 ± 0.002 vs 0.029 ± 0.014 Log ng Total RNA/18 s) and in the lateral villus (0.003 ± 0.001 vs 0.028 ± 0.006 Log ng Total RNA/18 s) in SBS (group B) rats (vs sham, group A) was accompanied by increased cell apoptosis in these compartments following treatment with TGF-α (group C). In a rat model of SBS, TGF-α increased enterocyte proliferation and stimulated intestinal adaptation. The effect of TGF-α on enterocyte turnover is correlated with EGF receptor expression along the villus–crypt axis.</description><identifier>ISSN: 0179-0358</identifier><identifier>EISSN: 1437-9813</identifier><identifier>DOI: 10.1007/s00383-007-2038-z</identifier><identifier>PMID: 17985142</identifier><language>eng</language><publisher>Berlin/Heidelberg: Springer-Verlag</publisher><subject>Animals ; Apoptosis ; Caspase 3 - metabolism ; Cell Proliferation - drug effects ; Disease Models, Animal ; Enterocytes - drug effects ; Enterocytes - metabolism ; Enterocytes - pathology ; Follow-Up Studies ; Gene Expression ; Immunohistochemistry ; Male ; Medicine ; Medicine & Public Health ; Microscopy, Confocal ; Original Article ; Pediatric Surgery ; Pediatrics ; Rats ; Rats, Sprague-Dawley ; Receptor, Epidermal Growth Factor - biosynthesis ; Receptor, Epidermal Growth Factor - genetics ; Reverse Transcriptase Polymerase Chain Reaction ; RNA, Messenger - biosynthesis ; RNA, Messenger - genetics ; Short Bowel Syndrome - drug therapy ; Short Bowel Syndrome - metabolism ; Short Bowel Syndrome - pathology ; Surgery ; Transforming Growth Factor alpha - therapeutic use</subject><ispartof>Pediatric surgery international, 2008, Vol.24 (1), p.21-28</ispartof><rights>Springer-Verlag 2007</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c371t-939bffc1f6fe6127d25ab5ece5c8203ba9325c4ddd4839092fb4e47b4c2fccc93</citedby><cites>FETCH-LOGICAL-c371t-939bffc1f6fe6127d25ab5ece5c8203ba9325c4ddd4839092fb4e47b4c2fccc93</cites></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/17985142$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Sukhotnik, Igor</creatorcontrib><creatorcontrib>Mogilner, Jorge G.</creatorcontrib><creatorcontrib>Shaoul, Ron</creatorcontrib><creatorcontrib>Karry, Rahel</creatorcontrib><creatorcontrib>Lieber, Michael</creatorcontrib><creatorcontrib>Suss-Toby, Edith</creatorcontrib><creatorcontrib>Ure, Benno M.</creatorcontrib><creatorcontrib>Coran, Arnold G.</creatorcontrib><title>Responsiveness of intestinal epithelial cell turnover to TGF-α after bowel resection in a rat is correlated with EGF receptor expression along the villus–crypt axis</title><title>Pediatric surgery international</title><addtitle>Pediatr Surg Int</addtitle><addtitle>Pediatr Surg Int</addtitle><description>Recent evidence suggests that transforming growth factor alpha (TGF-α) enhances enterocyte proliferation and stimulates intestinal adaptation after massive bowel resection. In the present study, we evaluated the effects of TGF-α on enterocyte turnover and correlated it with epidermal-growth factor (EGF) receptor expression along the villus–crypt axis in a rat model of short bowel syndrome (SBS). Male rats were divided into three groups, sham rats underwent bowel transection (group A); SBS rats underwent a 75% bowel resection (group B); and SBS/TGF-α rats underwent bowel resection and were treated with TGF-α (75 μg/kg) (group C) from the seventh postoperative day. Parameters of intestinal adaptation, enterocyte proliferation and apoptosis were determined on day 15. Villus tips, lateral villi and crypts were separated using laser capture microdissection. EGF receptor expression for each compartment was assessed by quantitative real-time PCR (Taqman). Statistical analysis was performed using one-way ANOVA test, with
P
< 0.05 considered statistically significant. Treatment with TGF-α resulted in a significant increase in all parameters of intestinal adaptation. EGF receptor expression in crypts significantly increased in SBS rats (vs sham rats) (0.035 ± 0.013 vs 0.010 ± 0.002 Log ng Total RNA/18 s) and was accompanied by a significant increase in enterocyte proliferation (169 ± 8 vs 138 ± 5 BrdU positive cells/per 10 crypts,
P
< 0.05) and decreased apoptosis following TGF-α administration (group C). A significant decrease in EGF receptor expression at the tip of the villus (0.005 ± 0.002 vs 0.029 ± 0.014 Log ng Total RNA/18 s) and in the lateral villus (0.003 ± 0.001 vs 0.028 ± 0.006 Log ng Total RNA/18 s) in SBS (group B) rats (vs sham, group A) was accompanied by increased cell apoptosis in these compartments following treatment with TGF-α (group C). In a rat model of SBS, TGF-α increased enterocyte proliferation and stimulated intestinal adaptation. The effect of TGF-α on enterocyte turnover is correlated with EGF receptor expression along the villus–crypt axis.</description><subject>Animals</subject><subject>Apoptosis</subject><subject>Caspase 3 - metabolism</subject><subject>Cell Proliferation - drug effects</subject><subject>Disease Models, Animal</subject><subject>Enterocytes - drug effects</subject><subject>Enterocytes - metabolism</subject><subject>Enterocytes - pathology</subject><subject>Follow-Up Studies</subject><subject>Gene Expression</subject><subject>Immunohistochemistry</subject><subject>Male</subject><subject>Medicine</subject><subject>Medicine & Public Health</subject><subject>Microscopy, Confocal</subject><subject>Original Article</subject><subject>Pediatric Surgery</subject><subject>Pediatrics</subject><subject>Rats</subject><subject>Rats, Sprague-Dawley</subject><subject>Receptor, Epidermal Growth Factor - biosynthesis</subject><subject>Receptor, Epidermal Growth Factor - genetics</subject><subject>Reverse Transcriptase Polymerase Chain Reaction</subject><subject>RNA, Messenger - biosynthesis</subject><subject>RNA, Messenger - genetics</subject><subject>Short Bowel Syndrome - drug therapy</subject><subject>Short Bowel Syndrome - metabolism</subject><subject>Short Bowel Syndrome - pathology</subject><subject>Surgery</subject><subject>Transforming Growth Factor alpha - therapeutic use</subject><issn>0179-0358</issn><issn>1437-9813</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2008</creationdate><recordtype>article</recordtype><recordid>eNp9UUuO1DAUtBCIaQYOwAZ5xS5gx0nHWaLRdIM0EhIa1pHjPA8euePg5_R8VnMHDjFrLsIhOMm8qFtix8plu6qeXhVjb6X4IIVoPqIQSquCYFESKu6fsZWsVFO0WqrnbCVk0xZC1fqEvUK8FkJotW5fshN617WsyhV7_AY4xRH9HkZA5NFxP2bA7EcTOEw-_4DgCVoIgec5jXEPiefIL7eb4s9vblymex9vIPAECDb7OJIHNzyZzD1yG1OCYDIM_Ibs-Pl2Q0wLU46Jw-1EKlw0JsTxitM8vvchzPj34ZdNd1Pm5tbja_bCmYDw5niesu-b88uzz8XF1-2Xs08XhVWNzEWr2t45K93awVqWzVDWpq9pWG01RdSbVpW1rYZhqLRqRVu6voKq6StbOmttq07Z-4PvlOLPmXLodh6X3c0IccauEVIrXWsiygPRpoiYwHVT8juT7jopuqWd7tBOt8Clne6eNO-O5nO_g-Gf4lgHEcoDAelrvILUXUeKnBb-j-sTd5ShuQ</recordid><startdate>2008</startdate><enddate>2008</enddate><creator>Sukhotnik, Igor</creator><creator>Mogilner, Jorge G.</creator><creator>Shaoul, Ron</creator><creator>Karry, Rahel</creator><creator>Lieber, Michael</creator><creator>Suss-Toby, Edith</creator><creator>Ure, Benno M.</creator><creator>Coran, Arnold G.</creator><general>Springer-Verlag</general><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7X8</scope></search><sort><creationdate>2008</creationdate><title>Responsiveness of intestinal epithelial cell turnover to TGF-α after bowel resection in a rat is correlated with EGF receptor expression along the villus–crypt axis</title><author>Sukhotnik, Igor ; Mogilner, Jorge G. ; Shaoul, Ron ; Karry, Rahel ; Lieber, Michael ; Suss-Toby, Edith ; Ure, Benno M. ; Coran, Arnold G.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c371t-939bffc1f6fe6127d25ab5ece5c8203ba9325c4ddd4839092fb4e47b4c2fccc93</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2008</creationdate><topic>Animals</topic><topic>Apoptosis</topic><topic>Caspase 3 - metabolism</topic><topic>Cell Proliferation - drug effects</topic><topic>Disease Models, Animal</topic><topic>Enterocytes - drug effects</topic><topic>Enterocytes - metabolism</topic><topic>Enterocytes - pathology</topic><topic>Follow-Up Studies</topic><topic>Gene Expression</topic><topic>Immunohistochemistry</topic><topic>Male</topic><topic>Medicine</topic><topic>Medicine & Public Health</topic><topic>Microscopy, Confocal</topic><topic>Original Article</topic><topic>Pediatric Surgery</topic><topic>Pediatrics</topic><topic>Rats</topic><topic>Rats, Sprague-Dawley</topic><topic>Receptor, Epidermal Growth Factor - biosynthesis</topic><topic>Receptor, Epidermal Growth Factor - genetics</topic><topic>Reverse Transcriptase Polymerase Chain Reaction</topic><topic>RNA, Messenger - biosynthesis</topic><topic>RNA, Messenger - genetics</topic><topic>Short Bowel Syndrome - drug therapy</topic><topic>Short Bowel Syndrome - metabolism</topic><topic>Short Bowel Syndrome - pathology</topic><topic>Surgery</topic><topic>Transforming Growth Factor alpha - therapeutic use</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Sukhotnik, Igor</creatorcontrib><creatorcontrib>Mogilner, Jorge G.</creatorcontrib><creatorcontrib>Shaoul, Ron</creatorcontrib><creatorcontrib>Karry, Rahel</creatorcontrib><creatorcontrib>Lieber, Michael</creatorcontrib><creatorcontrib>Suss-Toby, Edith</creatorcontrib><creatorcontrib>Ure, Benno M.</creatorcontrib><creatorcontrib>Coran, Arnold G.</creatorcontrib><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>MEDLINE - Academic</collection><jtitle>Pediatric surgery international</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Sukhotnik, Igor</au><au>Mogilner, Jorge G.</au><au>Shaoul, Ron</au><au>Karry, Rahel</au><au>Lieber, Michael</au><au>Suss-Toby, Edith</au><au>Ure, Benno M.</au><au>Coran, Arnold G.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Responsiveness of intestinal epithelial cell turnover to TGF-α after bowel resection in a rat is correlated with EGF receptor expression along the villus–crypt axis</atitle><jtitle>Pediatric surgery international</jtitle><stitle>Pediatr Surg Int</stitle><addtitle>Pediatr Surg Int</addtitle><date>2008</date><risdate>2008</risdate><volume>24</volume><issue>1</issue><spage>21</spage><epage>28</epage><pages>21-28</pages><issn>0179-0358</issn><eissn>1437-9813</eissn><abstract>Recent evidence suggests that transforming growth factor alpha (TGF-α) enhances enterocyte proliferation and stimulates intestinal adaptation after massive bowel resection. In the present study, we evaluated the effects of TGF-α on enterocyte turnover and correlated it with epidermal-growth factor (EGF) receptor expression along the villus–crypt axis in a rat model of short bowel syndrome (SBS). Male rats were divided into three groups, sham rats underwent bowel transection (group A); SBS rats underwent a 75% bowel resection (group B); and SBS/TGF-α rats underwent bowel resection and were treated with TGF-α (75 μg/kg) (group C) from the seventh postoperative day. Parameters of intestinal adaptation, enterocyte proliferation and apoptosis were determined on day 15. Villus tips, lateral villi and crypts were separated using laser capture microdissection. EGF receptor expression for each compartment was assessed by quantitative real-time PCR (Taqman). Statistical analysis was performed using one-way ANOVA test, with
P
< 0.05 considered statistically significant. Treatment with TGF-α resulted in a significant increase in all parameters of intestinal adaptation. EGF receptor expression in crypts significantly increased in SBS rats (vs sham rats) (0.035 ± 0.013 vs 0.010 ± 0.002 Log ng Total RNA/18 s) and was accompanied by a significant increase in enterocyte proliferation (169 ± 8 vs 138 ± 5 BrdU positive cells/per 10 crypts,
P
< 0.05) and decreased apoptosis following TGF-α administration (group C). A significant decrease in EGF receptor expression at the tip of the villus (0.005 ± 0.002 vs 0.029 ± 0.014 Log ng Total RNA/18 s) and in the lateral villus (0.003 ± 0.001 vs 0.028 ± 0.006 Log ng Total RNA/18 s) in SBS (group B) rats (vs sham, group A) was accompanied by increased cell apoptosis in these compartments following treatment with TGF-α (group C). In a rat model of SBS, TGF-α increased enterocyte proliferation and stimulated intestinal adaptation. The effect of TGF-α on enterocyte turnover is correlated with EGF receptor expression along the villus–crypt axis.</abstract><cop>Berlin/Heidelberg</cop><pub>Springer-Verlag</pub><pmid>17985142</pmid><doi>10.1007/s00383-007-2038-z</doi><tpages>8</tpages></addata></record> |
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| subjects | Animals Apoptosis Caspase 3 - metabolism Cell Proliferation - drug effects Disease Models, Animal Enterocytes - drug effects Enterocytes - metabolism Enterocytes - pathology Follow-Up Studies Gene Expression Immunohistochemistry Male Medicine Medicine & Public Health Microscopy, Confocal Original Article Pediatric Surgery Pediatrics Rats Rats, Sprague-Dawley Receptor, Epidermal Growth Factor - biosynthesis Receptor, Epidermal Growth Factor - genetics Reverse Transcriptase Polymerase Chain Reaction RNA, Messenger - biosynthesis RNA, Messenger - genetics Short Bowel Syndrome - drug therapy Short Bowel Syndrome - metabolism Short Bowel Syndrome - pathology Surgery Transforming Growth Factor alpha - therapeutic use |
| title | Responsiveness of intestinal epithelial cell turnover to TGF-α after bowel resection in a rat is correlated with EGF receptor expression along the villus–crypt axis |
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