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Trehalose Solution Protects Mesothelium and Reduces Bowel Adhesions

Trehalose Solution Protects Mesothelium and Reduces Bowel Adhesions

Atsushi Ohata, Nozomi Tamura, Koushi Iwata, Naomi Abe, Kazuhisa Doi, Yoshiaki Saito, Masami Katoh, Hiroshi Nojima

J Surg Res. 2014 Sep;191(1):224-30.

PMID: 24768023

Abstract:

Background:
Preventing interbowel adhesions still remains a challenge. Peritoneal mesothelial damage can induce postoperative adhesions. Our study evaluated the effects of 3% trehalose solution on mesothelial protection and adhesion prevention. Also, we compared this novel solution with Seprafilm regarding efficacy.
Methods:
Mesothelial damage was induced on the cultured human mesothelial cell (Met-5A) and rabbit cecum-serosal surface by air-drying for 60 min, and trehalose solution was applied. Cell integrity was tested by measuring lactate dehydrogenase, and serosal-morphologic changes were analyzed using scanning electron microscopy. Intra-abdominal adhesions were induced in rabbits by the combination of abrasion and air-drying procedures. Animals were divided into four groups: control, 3% trehalose solution, Seprafilm, and 3% trehalose solution with Seprafilm. Adhesions were evaluated blindly 7 d later.
Results:
Lactate dehydrogenase release from the Met-5A cells was reduced dose-dependently by trehalose (P < 0.05). Morphologic studies clearly showed that mesothelial cells on the serosal surface were kept intact by 3% trehalose solution. In a rabbit adhesion model, 3% trehalose solution reduced adhesions between bowel and bowel or bowel and surrounding structures (P < 0.01 versus control and Seprafilm). Seprafilm reduced adhesions between abdominal wall and underlying viscera (P < 0.01 versus control and 3% trehalose solution). Three-percent trehalose solution with Seprafilm showed additive effects of adhesion prevention, reducing adhesion formation at the previously mentioned sites.
Conclusions:
Three-percent trehalose solution protects mesothelial cells and leads to reduced adhesions between bowel and bowel or bowel and surrounding structures. This effect seems to be resulted from the characteristics of the solution covering most areas that potentially develop adhesions.

Chemicals Related in the Paper:

Catalog Number	Product Name	Structure	CAS Number	Price
AP136765441	Morphine-D3-3-β-D-glucuronide solution		136765-44-1	Price
AS212572	Oxymorphone-D3-3-β-D-glucuronide solution			Price

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