Mucosal changes induced by ischemia-reperfusion injury in a jejunal loop transplanted in oropharynx

Antonio Di Sabatino, Laura Brunetti, Paolo Biancheri, Rachele Ciccocioppo, Marco Guerci, Claudia Casella, Francesca Vidali, Thomas T. MacDonald, Marco Benazzo, Gino R. Corazza

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

Tissues exposed to ischemia and reperfusion develop an inflammatory response. We investigate the morphological and immunological changes occurring in the mucosa of a jejunal loop transplanted in the oropharynx of a man undergoing circular pharyngolaryngectomy. Jejunal biopsies were collected during the transplantation procedures (cold and warm ischemia, reperfusion), during the 7 post-operative days through an exteriorized jejunal segment for flap monitoring, and 45 days after transplantation through an upper endoscopy. Matrix metalloproteinase (MMP)-3 and MMP-12 increase was accompanied by a parallel rise in apoptotic enterocytes, and by a concomitant reduction of surface area to volume ratio and enterocyte height. Goblet cell hyperplasia is coupled with Paneth cell disappearance at the crypt base. CD8-positive intraepithelial lymphocytes initially decrease, then they increase in accordance with the peak of enterocyte apoptosis. We identified alterations in lymphocyte infiltration, mucosal architecture and epithelial cell turnover, which may give a window to mechanisms of small bowel ischemia-reperfusion in humans.

Original languageEnglish
Pages (from-to)317-325
Number of pages9
JournalInternal and Emergency Medicine
Volume8
Issue number4
DOIs
Publication statusPublished - Jun 2013

Fingerprint

Oropharynx
Enterocytes
Reperfusion Injury
Reperfusion
Ischemia
Matrix Metalloproteinase 12
Transplantation
Paneth Cells
CD8-Positive T-Lymphocytes
Cold Ischemia
Warm Ischemia
Matrix Metalloproteinase 3
Goblet Cells
Endoscopy
Hyperplasia
Mucous Membrane
Epithelial Cells
Lymphocytes
Apoptosis
Biopsy

Keywords

  • Apoptosis
  • Goblet cell
  • Intraepithelial lymphocyte
  • Matrix metalloproteinase
  • Paneth cell

ASJC Scopus subject areas

  • Emergency Medicine
  • Internal Medicine

Cite this

Mucosal changes induced by ischemia-reperfusion injury in a jejunal loop transplanted in oropharynx. / Di Sabatino, Antonio; Brunetti, Laura; Biancheri, Paolo; Ciccocioppo, Rachele; Guerci, Marco; Casella, Claudia; Vidali, Francesca; MacDonald, Thomas T.; Benazzo, Marco; Corazza, Gino R.

In: Internal and Emergency Medicine, Vol. 8, No. 4, 06.2013, p. 317-325.

Research output: Contribution to journalArticle

Di Sabatino, Antonio ; Brunetti, Laura ; Biancheri, Paolo ; Ciccocioppo, Rachele ; Guerci, Marco ; Casella, Claudia ; Vidali, Francesca ; MacDonald, Thomas T. ; Benazzo, Marco ; Corazza, Gino R. / Mucosal changes induced by ischemia-reperfusion injury in a jejunal loop transplanted in oropharynx. In: Internal and Emergency Medicine. 2013 ; Vol. 8, No. 4. pp. 317-325.
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