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KRAS mutations are a major cause of drug resistance to molecular-targeted therapies. Aberrant epidermal growth factor receptor (EGFR) signaling may cause dysregulation of microRNA (miRNA) and gene regulatory networks, which leads to cancer initiation and progression. To address the functional relevance of miRNAs in mutant KRAS cancers, we transfected(More)
To examine the regeneration of mesothelium under a bioresorbable membrane. A 1 cm2 piece of peritoneum was resected from both sides of the abdominal wall of retired female mice. A piece of hyaluronate and carboxymethyl-cellulose (Seprafilm®) was placed over the wound on one side and the other side was left uncovered. We evaluated the degree of adhesion and(More)
Aberrant expression of myeloid cell leukemia-1 (MCL-1) is a major cause of drug resistance in triple-negative breast cancer (TNBC) cells. Mucin 1 (MUC1) is a heterodimeric oncoprotein that is aberrantly overexpressed in most TNBC. The present studies show that targeting the oncogenic MUC1 C-terminal subunit (MUC1-C) in TNBC cells with silencing or(More)
The xCT light chain of the cystine/glutamate transporter (system XC-) is of importance for the survival of triple-negative breast cancer (TNBC) cells. The MUC1-C transmembrane oncoprotein is aberrantly overexpressed in TNBC and, like xCT, has been linked to maintaining glutathione (GSH) levels and redox balance. However, there is no known interaction(More)
BACKGROUND Single-site laparoscopic colectomy (SLC) is increasingly performed for colon cancer. There are few reports on invasiveness in SLC. This study aimed to evaluate the postoperative pain from SLC, as compared to conventional multiport laparoscopic colectomy (MLC). METHODS We compared postoperative pain among patients from the SLC group (n = 11)(More)
Although simultaneous resection of primary colorectal cancer and synchronous liver metastases is reported to be safe and effective, the feasibility of a laparoscopic approach remains controversial. This study evaluated the safety, feasibility, and short-term outcomes of simultaneous laparoscopic surgery for primary colorectal cancer with synchronous liver(More)
Apical-basal polarity and epithelial integrity are maintained in part by the Crumbs (CRB) complex. The C--terminal subunit of MUC1 (MUC1-C) is a transmembrane protein that is expressed at the apical border of normal epithelial cells and aberrantly at high levels over the entire surface of their transformed counterparts. However, it is not known whether(More)
The androgen receptor (AR) plays an essential role in prostate cancer, and suppression of its signaling with androgen deprivation therapy (ADT) has been the mainstay of treatment for metastatic hormone-sensitive prostate cancer for more than 70 y. Chemotherapy has been reserved for metastatic castration-resistant prostate cancer (mCRPC). The Eastern(More)
Polypyrimidine tract-binding protein (PTBP1) is an RNA-binding protein with various molecular functions related to RNA metabolism and a major repressive regulator of alternative splicing, causing exon skipping in numerous alternatively spliced pre-mRNAs. Here, we have investigated the role of PTBP1 in colorectal cancer. PTBP1 expression levels were(More)
We report a case of 50-year-old man with refractory anastomotic stricture after esophagectomy, which was successfully treated with endoscopic triamcinolone injection therapy. He received a curative operation for advanced thoratic esophageal carcinoma (Mt, Type 3, cT3, cN1, MO, Stage III). Anastomotic leakage was occurred as post-operative adverse event,(More)