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TU-100 exerts a protective effect against bacterial translocation by maintaining the tight junction

by Chie Takasu ... [and others] (Springer, 2017)

 Abstrak

PURPOSE: We previously reported that TU-100 suppresses irinotecan hydrochloride (CPT-11)-induced inflammatory cytokines and apoptosis. However, the mechanism underlying this effect has not been fully elucidated. The aim of this study was to further clarify the mechanism of CPT-11-induced bacterial translocation (BT) and the effect of TU-100 on BT.
METHODS: Cell cytotoxicity was assessed in vitro by a WST-8 assay. For the in vivo experiments, rats were randomly divided into 3 groups: the control group, the CPT-11 group (250 mg/kg i.p. for 2 days), and the CPT-11 and TU-100 co-treated group (1000 mg/kg, p.o. for 5 days). All of the rats were sacrificed on day 6 and their tissues were collected.
RESULTS: CPT-11 and TU-100 co-treatment improved CPT-11 the related cytotoxicity in vitro. All CPT-11-treated rats developed different grades of diarrhea and BT was observed in 80% of the rats. CPT-11 caused a significant increase in the expression of TLR4, IL-6, TNF-α, IL-1β and caspase-3 mRNAs in the large intestine. The expression of tight junction (TJ) marker mRNAs (occludin, claudin-1 and 4, and ZO-1) was significantly decreased in comparison to the control group. TU-100 co-treatment significantly reversed diarrhea, BT, and the expression of TLR2, IL-6, TNF-α, IL-1β and caspase-3, and improved the expression of occludin, claudin-4 and ZO-1.
CONCLUSIONS: TU-100 can suppress the adverse effects associated with CPT-11 and improve the function of the TJ. It is possible that this occurs through the TLR pathway.

 Metadata

No. Panggil : AJ-Pdf
Entri tambahan-Nama orang :
Subjek :
Penerbitan : Tokyo: Springer, 2017
Sumber Pengatalogan : LibUI eng rda
ISSN : 09411291
Majalah/Jurnal : Surgery Today Official Journal of the Japan Surgical Society
Volume : Vol.45 No.10, Maret 2017: hal.1287-1294
Tipe Konten : text
Tipe Media : unmediated
Tipe Carrier : volume
Akses Elektronik :
Institusi Pemilik : Universitas Indonesia
Lokasi : Perpustakaan UI, Lantai 4, R. Koleksi Jurnal
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No. Panggil No. Barkod Ketersediaan
AJ-Pdf 03-18-560530262 TERSEDIA
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