Stromal cells participate in the murine esophageal mucosal injury response

被引:9
作者
Shaker, Anisa [1 ]
Binkley, Jana [2 ]
Darwech, Isra [2 ]
Swietlicki, Elzbieta [2 ]
McDonald, Keely [2 ]
Newberry, Rodney [2 ]
Rubin, Deborah C. [2 ,3 ]
机构
[1] Univ So Calif, Keck Sch Med, Div Gastroenterol, Dept Med, Los Angeles, CA 90089 USA
[2] Washington Univ, Sch Med, Dept Med, Div Gastroenterol, St Louis, MO 63110 USA
[3] Washington Univ, Sch Med, Dept Dev Biol, St Louis, MO USA
来源
AMERICAN JOURNAL OF PHYSIOLOGY-GASTROINTESTINAL AND LIVER PHYSIOLOGY | 2013年 / 304卷 / 07期
关键词
myofibroblast; bone morphogenetic protein-4; interleukin-6; interleukin-1; beta; INFLAMMATORY MEDIATORS; STEM-CELLS; REFLUX; MYOFIBROBLASTS; INTERLEUKIN-6; EXPRESSION; ROLES;
D O I
10.1152/ajpgi.00225.2012
中图分类号
R57 [消化系及腹部疾病];
学科分类号
摘要
Shaker A, Binkley J, Darwech I, Swietlicki E, McDonald K, Newberry R, Rubin DC. Stromal cells participate in the murine esophageal mucosal injury response. Am J Physiol Gastrointest Liver Physiol 304: G662-G672, 2013. First published January 31, 2013; doi:10.1152/ajpgi.00225.2012.-We identified alpha-smooth muscle actin (alpha-SMA)- and vimentin-expressing spindle-shaped esophageal mesenchymal cells in the adult and neonate murine esophageal lamina propria. We hypothesized that these esophageal mesenchymal cells express and secrete signaling and inflammatory mediators in response to injury. We established primary cultures of esophageal mesenchymal cells using mechanical and enzymatic digestion. We demonstrate that these primary cultures are nonhematopoietic, nonendothelial, stromal cells with myofibroblast-like features. These cells increase secretion of IL-6 in response to treatment with acidified media and IL-1 beta. They also increase bone morphogenetic protein (Bmp)-4 secretion in response to sonic hedgehog. The location of these cells and their biological functions demonstrate their potential role in regulating esophageal epithelial responses to injury and repair.
引用
收藏
页码:G662 / G672
页数:11
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