Heparin-binding EGF-like growth factor promotes intestinal anastomotic healing

Andrei Radulescu, Hong Yi Zhang, Chun-liang Chen, Yan Chen, Yu Zhou, Xiaoyi Yu, Iyore Otabor, Jacob K. Olson, Gail E. Besner

Research output: Contribution to journalArticle

16 Citations (Scopus)

Abstract

Background: We have accumulated multiple lines of evidence supporting the ability of HB-EGF to protect the intestines from injury and to augment the healing of partial-thickness scald burns of the skin. The aim of the current study was to investigate the role of heparin-binding EGF-like growth factor (HB-EGF) in intestinal anastomotic wound healing. Materials and Methods: HB-EGF (-/-) knockout (KO) mice (n = 42) and their HB-EGF (+/+) wild type (WT) counterparts (n = 33), as well as HB-EGF transgenic (TG) mice (n = 26) and their (WT) counterparts (n = 27), underwent division and reanastomosis of the terminal ileum. In addition, WT mice (n = 21) that received enteral HB-EGF (800 μg/kg) underwent the same operative procedure. Anastomotic bursting pressure was measured at 3 and 6 d postoperatively. Tissue sections were stained with hematoxylin and eosin to assess anastomotic healing, and Picrosirus red to assess collagen deposition. Immunohistochemistry using anti-von Willebrand factor antibodies was performed to assess angiogenesis. Complications and mortality were also recorded. Results: HB-EGF KO mice had significantly lower bursting pressures, lower healing scores, higher mortality, and higher complication rates postoperatively compared with WT mice. Collagen deposition and angiogenesis were significantly decreased in KO mice compared with WT mice. Conversely, HB-EGF TG mice had increased anastomotic bursting pressure, higher healing scores, lower mortality, lower complication rates, increased collagen deposition, and increased angiogenesis postoperatively compared with WT mice. WT mice that received HB-EGF had increased bursting pressures compared with non-HB-EGF treated mice. Conclusion: Our results demonstrate that HB-EGF is an important factor involved in the healing of intestinal anastomoses.

Original languageEnglish (US)
Pages (from-to)540-550
Number of pages11
JournalJournal of Surgical Research
Volume171
Issue number2
DOIs
StatePublished - Dec 2011
Externally publishedYes

Fingerprint

Knockout Mice
Pressure
Collagen
Transgenic Mice
Mortality
Heparin-binding EGF-like Growth Factor
Operative Surgical Procedures
von Willebrand Factor
Hematoxylin
Eosine Yellowish-(YS)
Burns
Ileum
Epidermal Growth Factor
Wound Healing
Small Intestine
Intestines
Intercellular Signaling Peptides and Proteins
Immunohistochemistry
Skin
Antibodies

Keywords

  • anastomosis
  • heparin-binding EGF-like growth factor
  • intestine

ASJC Scopus subject areas

  • Surgery

Cite this

Radulescu, A., Zhang, H. Y., Chen, C., Chen, Y., Zhou, Y., Yu, X., ... Besner, G. E. (2011). Heparin-binding EGF-like growth factor promotes intestinal anastomotic healing. Journal of Surgical Research, 171(2), 540-550. https://doi.org/10.1016/j.jss.2010.06.036

Heparin-binding EGF-like growth factor promotes intestinal anastomotic healing. / Radulescu, Andrei; Zhang, Hong Yi; Chen, Chun-liang; Chen, Yan; Zhou, Yu; Yu, Xiaoyi; Otabor, Iyore; Olson, Jacob K.; Besner, Gail E.

In: Journal of Surgical Research, Vol. 171, No. 2, 12.2011, p. 540-550.

Research output: Contribution to journalArticle

Radulescu, A, Zhang, HY, Chen, C, Chen, Y, Zhou, Y, Yu, X, Otabor, I, Olson, JK & Besner, GE 2011, 'Heparin-binding EGF-like growth factor promotes intestinal anastomotic healing', Journal of Surgical Research, vol. 171, no. 2, pp. 540-550. https://doi.org/10.1016/j.jss.2010.06.036
Radulescu, Andrei ; Zhang, Hong Yi ; Chen, Chun-liang ; Chen, Yan ; Zhou, Yu ; Yu, Xiaoyi ; Otabor, Iyore ; Olson, Jacob K. ; Besner, Gail E. / Heparin-binding EGF-like growth factor promotes intestinal anastomotic healing. In: Journal of Surgical Research. 2011 ; Vol. 171, No. 2. pp. 540-550.
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abstract = "Background: We have accumulated multiple lines of evidence supporting the ability of HB-EGF to protect the intestines from injury and to augment the healing of partial-thickness scald burns of the skin. The aim of the current study was to investigate the role of heparin-binding EGF-like growth factor (HB-EGF) in intestinal anastomotic wound healing. Materials and Methods: HB-EGF (-/-) knockout (KO) mice (n = 42) and their HB-EGF (+/+) wild type (WT) counterparts (n = 33), as well as HB-EGF transgenic (TG) mice (n = 26) and their (WT) counterparts (n = 27), underwent division and reanastomosis of the terminal ileum. In addition, WT mice (n = 21) that received enteral HB-EGF (800 μg/kg) underwent the same operative procedure. Anastomotic bursting pressure was measured at 3 and 6 d postoperatively. Tissue sections were stained with hematoxylin and eosin to assess anastomotic healing, and Picrosirus red to assess collagen deposition. Immunohistochemistry using anti-von Willebrand factor antibodies was performed to assess angiogenesis. Complications and mortality were also recorded. Results: HB-EGF KO mice had significantly lower bursting pressures, lower healing scores, higher mortality, and higher complication rates postoperatively compared with WT mice. Collagen deposition and angiogenesis were significantly decreased in KO mice compared with WT mice. Conversely, HB-EGF TG mice had increased anastomotic bursting pressure, higher healing scores, lower mortality, lower complication rates, increased collagen deposition, and increased angiogenesis postoperatively compared with WT mice. WT mice that received HB-EGF had increased bursting pressures compared with non-HB-EGF treated mice. Conclusion: Our results demonstrate that HB-EGF is an important factor involved in the healing of intestinal anastomoses.",
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AU - Olson, Jacob K.

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