In a few years, oxaliplatin became a standard treatment of colorectal cancer not only in metastatic situation but also in the adjuvant setting. In the others gastro-intestinal malignancies such as oesophageal, stomach, pancreatic, liver and biliary tract cancers, the effectiveness of the current chemotherapies is unfortunately most often disappointing. Several teams thus decided to evaluate oxaliplatin, essentially in polychemotherapy regimens and sometimes in combination with radiotherapy. Many clinical trials are in progress, others will begin soon. Nevertheless, the results of the first studies already presented are promising, especially the gemcitabine and oxaliplatin combination on 2 days schedule in treating patients with advanced pancreatic, biliary tract and the fluoropyrimidine and oxaliplatin in treating patients with advanced gastric cancer.
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Sci Rep
December 2024
Department of Gastroenterology and Metabolism, Nagoya City University Graduate School of Medical Sciences, 1 Kawasumi, Mizuho-cho, Mizuho-ku Nagoya, Nagoya, Aichi, 467-8601, Japan.
Biliary and pancreatic tract stenosis are hallmark symptoms in pancreaticobiliary diseases, transcending malignancy. Endoscopic techniques are pivotal for biliary/pancreatic drainage; however, challenging scenarios arise when attempting to pass a guidewire (GW) through obstruction. Cholangioscopy-assisted GW placement has proven valuable, but challenges persist in its execution, particularly in maneuvering the GW through cholangioscopy.
View Article and Find Full Text PDFCancer Genomics Proteomics
December 2024
Division of Surgical Oncology, Nagoya University Graduate School of Medicine, Nagoya, Japan.
Background/aim: Bile tract cancer (BTC) is a malignant tumor with a poor prognosis. Recent studies have reported the heterogeneity of the genomic background and gene alterations in BTC, but its genetic heterogeneity and molecular profiles remain poorly understood. Whole-genome sequencing may enable the identification of novel actionable gene mutations involved in BTC carcinogenesis, malignant progression, and treatment resistance.
View Article and Find Full Text PDFInt J Surg
December 2024
Department of Gastrointestinal Surgery, Chongqing University Cancer Hospital, Chongqing, China.
Background: The role of robotic surgery for the treatment of locally advanced gastric cancer remains controversial. This meta-analysis aimed to compare the short-term outcomes between robotic gastrectomy (RG) and laparoscopic gastrectomy (LG) for patients with locally advanced gastric cancer using data collected from randomized controlled trials (RCTs) and propensity score-matched (PSM) studies.
Materials And Methods: We searched PubMed, Cochrane Library, Embase, and Web of Science databases for RCTs and PSM studies comparing RG and LG.
Neuroendocrine tumors (NETs) of the biliary tract are extremely rare due to a paucity of Kulchitsky cells. While their preoperative diagnosis remains challenging due to the lack of specific diagnostic markers and imaging findings, there have been no detailed reports describing the diagnostic utility of various imaging modalities for bile duct NETs at the junction of the cystic and common hepatic ducts. We report a case of a woman in her 40s who presented with jaundice and elevated hepatobiliary enzymes.
View Article and Find Full Text PDFGenes Cells
January 2025
Department of Experimental Animal Model for Human Disease, Institute of Science Tokyo, Tokyo, Japan.
Sox17 is a key transcriptional regulator of endoderm formation and function in the gallbladder, blood vessels and reproductive organs. Although multiple transcript variants of Sox17 have been suggested, the precise mechanisms underlying their time- and tissue-specific expression remain unclear. In this study, we discovered two putative regulatory sequences (R1 and R2) adjacent to different transcription start sites of mouse Sox17 exon 1 and generated deletion mice for these regions (Sox17).
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