Schlafen 3 induction by cyclic strain regulates intestinal epithelial differentiation.
Schlafen 3 induction by cyclic strain regulates intestinal epithelial differentiation.
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循环菌株诱导 Schlafen 3 调节肠上皮分化。
DOI:
10.1152/ajpgi.00517.2009
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发表时间:
2010
期刊:
影响因子:
--
通讯作者:
Basson,MarcD
中科院分区:
文献类型:
--
作者:
Yuan,Lisi;Yu,Yingjie;Sanders,MatthewA;Majumdar,AdhipPN;Basson,MarcD
The intestinal epithelium is subjected to repetitive deformation during normal gut function by peristalsis and villous motility. In vitro, cyclic strain promotes intestinal epithelial proliferation and induces an absorptive phenotype characterized by increased dipeptidyl dipeptidase (DPPIV) expression. Schlafen 3 is a novel gene recently associated with cellular differentiation. We sought to evaluate whether Schlafen 3 mediates the effects of strain on the differentiation of intestinal epithelial cell (IEC)-6 in the absence or presence of cyclic strain. Strain increased Schlafen 3 mRNA and protein. In cells transfected with a control-nontargeting siRNA, strain increased DPPIV-specific activity. However, Schlafen 3 reduction by siRNA decreased basal DPPIV and prevented any stimulation of DPPIV activity by strain. Schlafen 3 reduction also prevented DPPIV induction by sodium butyrate (1 mM) or transforming growth factor (TGF)-β (0.1 ng/ml), two unrelated differentiating stimuli. However, Schlafen-3 reduction by siRNA did not prevent the mitogenic effect of strain or that of EGF. Blocking Src and phosphatidyl inositol (PI3)-kinase prevented strain induction of Schlafen 3, but Schlafen 3 induction required activation of p38 but not ERK. These results suggest that cyclic strain induces an absorptive phenotype characterized by increased DPPIV activity via Src-, p38-, and PI3-kinase-dependent induction of Schlafen 3 in rat IEC-6 cells on collagen, whereas Schlafen 3 may also be a key factor in the induction of intestinal epithelial differentiation by other stimuli such as sodium butyrate or TGF-β. The induction of Schlafen 3 or its human homologs may modulate intestinal epithelial differentiation and preserve the gut mucosa during normal gut function.
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影响因子:
4.3
作者:
Zhou Wang;Wei;Ruliu Li;B. Wen;Jingchun Sun
通讯作者:
Jingchun Sun
影响因子:
4.8
作者:
D. Darmoul;M. Lacasa;L. Baricault;D. Marguet;C. Sapin;Pascale Krejbich;A. Barbat;G. Trugnan
通讯作者:
G. Trugnan
DOI:
10.1007/bf02899208
发表时间:
1987-01-01
期刊:
VIRCHOWS ARCHIV B-CELL PATHOLOGY INCLUDING MOLECULAR PATHOLOGY
影响因子:
--
作者:
MOLL, R;ROBINE, S;LOUVARD, D
通讯作者:
LOUVARD, D
DOI:
10.1016/j.bbrc.2009.08.094
发表时间:
2009-10-30
影响因子:
3.1
作者:
Patel, Vaishali B.;Yu, Yingjie;Das, Jayanta K.;Patel, Bhaumik B.;Majumdar, Adhip P. N.
通讯作者:
Majumdar, Adhip P. N.
影响因子:
5.5
作者:
Chaturvedi, Lakshmi S.;Gayer, Christopher P.;Basson, Marc D.
通讯作者:
Basson, Marc D.