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.jpg): Failed to open stream: No such file or directory in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 117 J+Interferon+Cytokine+Res
2014 ; 34
(7
): 518-25
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The altered tight junctions: an important gateway of bacterial translocation in
cachexia patients with advanced gastric cancer
#MMPMID24720758
Jiang Y
; Guo C
; Zhang D
; Zhang J
; Wang X
; Geng C
J Interferon Cytokine Res
2014[Jul]; 34
(7
): 518-25
PMID24720758
show ga
Tight junctions (TJs) are the structural basis for the intestinal epithelium
barrier. Increased intestinal permeability caused by variations in TJ proteins
may result in bacterial translocation (BT). There is increasing evidence that BT
might contribute to the occurrence and development of cancer cachexia, but the
details are not known. Aims, we undertook further investigations into the pathway
of BT in cancer cachexia. RESULTS: BT-positive patients had a higher level of
claudins-2 (CL-2, P=0.035) and a lower level of occludin (P=0.038) and Zonula
occluden-1 (P=0.01) than BT-negative patients. Moreover, the levels of IL-6,
TNF-?, and IFN-? in BT-positive cachexia patients were higher compared with
BT-negative cachexia patients (P<0.001, P=0.01, P<0.001) and BT-positive
noncachexia patients (P<0.001, P=0.025, P<0.001). In the BT-positive cachexia
patients, the local concentration of IL-6, TNF-?, and IFN-?, in the middle colic
vein, was higher than in the peripheral venous (P=0.04, P=0.03, P=0.038). In
addition, endotoxin was detected within the small intestinal wall, and the
concentration of endotoxin decreased from the mucosal side to the serosal side
gradually in BT-positive patients. This study suggests that the altered TJs could
be an important gateway of BT in gastric cancer cachexia and local cytokines
could play a more important role than systemic cytokines in the process.