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https://www.readbyqxmd.com/read/29147625/a-transcriptomic-insight-into-the-impacts-of-mast-cells-in-lung-breast-and-colon-cancers
#1
Eun-A Ko, Kenton M Sanders, Tong Zhou
To date, the exact impact of mast cells in tumor microenvironment is still controversial because of inconsistency in observations regarding the relationship between mast cell infiltrates and cancer development and prognosis. The discrepancies in previous studies have motivated us to examine the roles of mast cells in cancer pathology from different perspectives. Here, we investigated the impact of mast cells on transcriptomic profiles in the tissue microenvironment. Mice carrying the W-sh mutation in c-kit (Kit(W-sh) ) are deficient in mast cell production and were used to assess the influence of mast cells on gene expression...
2017: Oncoimmunology
https://www.readbyqxmd.com/read/29145893/normalization-of-the-microbiota-in-patients-after-treatment-for-colonic-lesions
#2
Marc A Sze, Nielson T Baxter, Mack T Ruffin, Mary A M Rogers, Patrick D Schloss
BACKGROUND: Colorectal cancer is a worldwide health problem. Despite growing evidence that members of the gut microbiota can drive tumorigenesis, little is known about what happens to it after treatment for an adenoma or carcinoma. This study tested the hypothesis that treatment for adenoma or carcinoma alters the abundance of bacterial populations associated with disease to those associated with a normal colon. We tested this hypothesis by sequencing the 16S rRNA genes in the feces of 67 individuals before and after treatment for adenoma (N = 22), advanced adenoma (N = 19), and carcinoma (N = 26)...
November 16, 2017: Microbiome
https://www.readbyqxmd.com/read/29145106/metachronous-mediastinal-lymph-node-metastasis-from-ascending-colon-cancer-a-case-report-and-literature-review
#3
Kosuke Toda, Kenji Kawada, Yoshiharu Sakai, Hiroshi Izumi
INTRODUCTION: Metachronous mediastinal lymph node metastasis without pulmonary metastasis is extremely rare in colorectal cancer, which makes the clinical diagnosis difficult and treatment strategy unclear. PRSENTATION OF CASE: A case was a 59-year-old man, who had undergone right hemicolectomy for ascending colon cancer 2 years and 8 months previously, presented with enlarged mediastinal lymph nodes. (18)F-fluorodeoxyglucose (FDG) positron emission tomography revealed FDG was accumulated only into the mediastinal lymph nodes...
November 9, 2017: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/29144754/immunogenic-cell-death-amplified-by-co-localized-adjuvant-delivery-for-cancer-immunotherapy
#4
Yuchen Fan, Rui Kuai, Yao Xu, Lukasz J Ochyl, Darrell J Irvine, James Moon
Despite their potential, conventional whole-cell cancer vaccines prepared by freeze-thawing or irradiation have shown limited therapeutic efficacy in clinical trials. Recent studies have shown that cancer cells treated with certain chemotherapeutics, such as mitoxantrone, can undergo immunogenic cell death (ICD) and initiate anti-tumor immune responses. However, it remains unclear how ICD can be exploited for cancer immunotherapy. Here, we present a new biomaterial-based strategy for converting immunogenically dying tumor cells into a powerful platform for cancer vaccination and demonstrate their immunogenicity in murine models of melanoma and colon carcinoma...
November 16, 2017: Nano Letters
https://www.readbyqxmd.com/read/29130142/radiotherapy-for-gastric-bleeding-from-tumor-invasion-of-recurrent-colon-cancer-with-liver-metastasis-after-resection
#5
Osamu Tanaka, Ryoma Yokoi, Tsuyoshi Mukai, Makoto Yamada, Tomohiro Kato, Takuya Taniguchi, Kousei Ono, Masayuki Matsuo
No abstract text is available yet for this article.
November 13, 2017: Journal of Gastrointestinal Cancer
https://www.readbyqxmd.com/read/29124480/a-case-of-napsin-a-positive-metastatic-lung-cancer-originating-from-the-colon
#6
Tomokazu Ito, Kozo Nakanishi, Hidenori Goto
BACKGROUND: We report a case of napsin A-positive metastatic lung cancer originating from the colon. No cases of napsin A-positive metastatic lung tumors originating from colorectal cancer have been reported previously. CASE PRESENTATION: Computed tomography identified a small lung nodule in a 70-year-old male patient, 18 months after resection for rectal cancer. The size of the lung tumor increased from 1.8 to 2.1 cm in 6 months and metastasis from the rectal cancer was suspected...
November 9, 2017: Surgical Case Reports
https://www.readbyqxmd.com/read/29113268/jab1-stat3-activation-loop-is-associated-with-recurrence-following-5-fluorouracil-based-adjuvant-chemotherapy-in-human-colorectal-cancer
#7
Naruji Kugimiya, Arata Nishimoto, Tohru Hosoyama, Koji Ueno, Yoshihiro Takemoto, Eijiro Harada, Tadahiko Enoki, Kimikazu Hamano
Jun activation domain-binding protein 1 (JAB1) has been shown to have multiple roles in tumorigenesis, including the degradation of tumor suppressor proteins such as p53, Smad7, Runx3 and the cyclin-dependent kinase inhibitor p27(Kip1), and the activation of oncogenic transcription factors, such as c-Jun and hypoxia-inducible factor-1α. In addition, our previous study revealed that JAB1 positively regulates signal transducer and activator of transcription 3 (STAT3) DNA-binding activity in human colon cancer cells...
November 2017: Oncology Letters
https://www.readbyqxmd.com/read/29110645/long-intergenic-non-protein-coding-rna-1567-linc01567-acts-as-a-sponge-against-microrna-93-in-regulating-the-proliferation-and-tumorigenesis-of-human-colon-cancer-stem-cells
#8
Xiaofeng Yu, Lin Mi, Jie Dong, Jian Zou
BACKGROUND: Cancer stem cells (CSCs) are considered to be the major factor in tumor initiation, progression, metastasis, recurrence and chemoresistance. Maintaining the stemness and promoting differentiation of these cells involve various factors. Recently, long non-coding RNAs (lncRNAs) have been identified as new regulatory factors in human cancer cells. However, the function of lncRNAs in colon CSCs is still unknown. METHODS: Primary colon cancer cells were maintained in serum-free medium to form spheres and CD133(+)/CD166(+)/CD44(+) spheroid cells were selected using FACS technique...
November 6, 2017: BMC Cancer
https://www.readbyqxmd.com/read/29098076/intraluminal-ileal-tumour-after-right-hemicolectomy-for-cancer-an-implantation-recurrence-or-a-new-cancer-a-case-report
#9
Marco Clementi, Sara Colozzi, Mario Schietroma, Federico Sista, Andrea Della Penna, Alessandro Chiominto, Stefano Guadagni
Introduction: Extra-anastomotic intraluminal recurrence of the colon cancer after curative surgery was rarely reported but intraluminal ileal relapse has not been described to date.We report a case of intraluminal ileal tumor arising after curative right hemicolectomy that could be ascribed to an implantation of exfoliated cancer cells. Case report: A 71-years old man was admitted with no metastatic stenotic adenocarcinoma of the hepatic flexure and submitted, without preoperative bowel preparation, to right hemicolectomy using a "no-touch" technique...
November 2017: Annals of Medicine and Surgery
https://www.readbyqxmd.com/read/29076812/surgical-outcomes-in-patients-with-hepatic-synchronous-and-metachronous-colorectal-metastasis
#10
Maria Laura Cossu, Giorgio Carlo Ginesu, Claudio Francesco Feo, Alessandro Fancellu, Antonio Pinna, Isabel Vargiu, Francesca Addis, Michele Barmina, Giovanni Sotgiu, Alberto Porcu
AIM: To evaluate the impact of several clinical and pathological factors on the outcomes of surgery for hepatic colorectal cancer metastasis. METHODS: Eighty-four liver metastasectomies in 77 consecutive patients with 90 colorectal cancer hepatic metastases were performed in our institution from 2009 to 2014. Surgery was carried out in 75 cases, as two patients were not eligible for surgery. Among them 43 (Group A) were affected by synchronous, and 32 (Group B) by metachronous lesions...
October 25, 2017: Annali Italiani di Chirurgia
https://www.readbyqxmd.com/read/29075964/strategy-of-laparoscopic-surgery-for-colon-cancer-of-the-splenic-flexure-a-novel-approach
#11
Naoki Matsumura, Hiromi Tokumura, Fumito Saijo, Yu Katayose
BACKGROUND: The splenic flexure (SF) anatomy is complex due to multiple vessels, surrounding organs, layers, and irregular adhesions [1-3]. METHODS: Our laparoscopic approach involves a lateral-to-medial approach to the left-sided transverse mesocolon (TM), a medial-to-lateral approach to the left mesocolon (LM), and take-down of the remnant SF. First, the omental bursa is opened and its posterior wall and the anterior layer of the TM are dissected along the pancreas, where a gauze is placed...
October 26, 2017: Surgical Endoscopy
https://www.readbyqxmd.com/read/29075846/postoperative-outcome-and-quality-of-life-after-surgery-for-fap-associated-duodenal-adenomatosis
#12
Petra Ganschow, Thilo Hackert, Marcel Biegler, Pietro Contin, Ulf Hinz, Markus W Büchler, Martina Kadmon
INTRODUCTION: Prophylactic colon surgery has increased life expectancy of familial adenomatous polyposis patients. Extracolonic manifestations are life limiting, above all duodenal adenomas. Severe duodenal adenomatosis or cancer may necessitate pancreas-preserving total duodenectomy or partial pancreatico-duodenectomy, mostly after previous proctocolectomy and often after limited local resections of duodenal adenomas. Scarce information on long-term postoperative outcome and quality of life after surgery for duodenal adenomatosis is available...
October 26, 2017: Langenbeck's Archives of Surgery
https://www.readbyqxmd.com/read/29072082/chemoprevention-of-polyp-recurrence-with-curcumin-followed-by-silibinin-in-a-case-of-multiple-colorectal-adenomas
#13
Vicente Alfonso-Moreno, Antonio López-Serrano, Eduardo Moreno-Osset
Chemoprevention is a practical approach to reduce the risk of various cancers including colorectal cancer (CRC). The goal is to reduce the incidence of pre-neoplastic adenomatous polyps and prevent its progression to CRC. Curcumin and silibinin prevent intestinal polyp formation in mice. Curcumin sensitizes silymarin to exert synergistic anticancer activity in colon cancer cells. Patients presenting with multiple colorectal adenomatous polyps (MCRA) have a high lifetime risk for CRC. We present a 57-year-old man with MCRA, without deleterious germline APC or MYH mutations...
October 23, 2017: Revista Española de Enfermedades Digestivas
https://www.readbyqxmd.com/read/29066705/-anti-egfr-antibody-combination-chemotherapy-was-effective-against-locally-advanced-ascending-colon-cancer-as-well-as-a-recurrent-lesion-a-case-report
#14
Yasufumi Yamada, Hajime Yokomizo, Yuki Yano, Sachiyo Okayama, Masaya Satake, Arika Ida, Takebumi Usui, Kentaro Yamaguchi, Shunichi Shiozawa, Kazuhiko Yoshimatsu, Takeshi Shimakawa, Takao Katsube, Yoshihiko Naritaka, Hiroyuki Kato
Here we report a case in which a locally advanced ascending colon cancer was successfully treated with anti-EGFR immunotherapy combined with chemotherapy and curative resection, and recurrent cancer was treated with the same chemotherapy. A 71-year-old man was diagnosed with ascending colon cancer in our department. No distant metastasis was observed, but curative resection was considered impossible because of extensive local cancer invasion. Because a genetic analysis revealed the presence of the wild-type KRAS gene, 6 courses of mFOLFOX6 plus cetuximab were administered...
October 2017: Gan to Kagaku Ryoho. Cancer & Chemotherapy
https://www.readbyqxmd.com/read/29066700/-a-case-of-laparoscopic-repair-of-internal-hernia-after-laparoscope-assisted-distal-gastrectomy-with-antecolic-roux-en-y-reconstruction
#15
Yukio Maezawa, Haruhiko Cho, Kazuki Kano, Tetsushi Nakajima, Kousuke Ikeda, Takanobu Yamada, Tsutomu Sato, Takashi Ohshima, Yasushi Rino, Munetaka Masuda, Takashi Ogata, Takaki Yoshikawa
A 72-year-old woman had undergone laparoscope-assisted distal gastrectomy with D1 plus lymph node dissection and antecolic Roux-en-Y reconstruction for early gastric cancer. She visited our department outpatient clinic with left upper abdominal pain 1 year and 9 months after the surgery. CT revealed a spiral sign of the superior mesenteric arteriovenous branch. An internal hernia was suspected on hospitalization. Although abdominal symptoms were relieved by conservative treatment, the hernia persisted. Laparoscopic surgery was performed and revealed that almost entire small intestine had been affected due to Petersen's defect...
October 2017: Gan to Kagaku Ryoho. Cancer & Chemotherapy
https://www.readbyqxmd.com/read/29063056/comparison-of-627-patients-with-right-and-left-sided-colon-cancer-in-china-differences-in-clinicopathology-recurrence-and-survival
#16
Qiong Qin, Lin Yang, Yong-Kun Sun, Jian-Ming Ying, Yan Song, Wen Zhang, Jin-Wan Wang, Ai-Ping Zhou
OBJECTIVE: Recent studies have reported increased mortality for right-sided colon cancers; however, the results are conflicting for different stage tumors. We examined the differences in clinicopathology between right- and left-sided colon cancers and the relationships between colon cancer location (right- and left-side) and 5-year disease-free survival (DFS) and overall survival (OS). METHODS: We identified patients from 2005 to 2008 with stage II/III colon cancer who underwent surgery for curative intent...
March 25, 2017: Chronic Dis Transl Med
https://www.readbyqxmd.com/read/29048575/microrna-binding-site-polymorphisms-in-genes-involved-in-colorectal-cancer-etiopathogenesis-and-their-impact-on-disease-prognosis
#17
Michaela Schneiderova, Alessio Naccarati, Barbara Pardini, Fabio Rosa, Cornelia Di Gaetano, Katerina Jiraskova, Alena Opattova, Miroslav Levy, Karel Veskrna, Veronika Veskrnova, Tomas Buchler, Stefano Landi, Pavel Vodicka, Veronika Vymetalkova
According to the Vogelstein's model of colorectal carcinogenesis, genetic variations in highly penetrant genes may be involved in the colorectal cancer (CRC) pathogenesis. Similarly, aberrant function and/or altered expression of microRNAs (miRNAs) often occur in CRC. In this context, polymorphisms in miRNA-binding sites (miRSNPs) may affect miRNA/target gene interaction, resulting in differential mRNA/protein expression and increased susceptibility to common diseases. To explore this phenomenon, we have mined the 3' untranslated regions (3'UTRs) of genes known to be frequently mutated in CRC to search for miRSNPs and tested their association with CRC risk and clinical outcome...
October 17, 2017: Mutagenesis
https://www.readbyqxmd.com/read/29044578/factors-associated-with-local-recurrence-after-surgery-for-bone-metastasis-to-the-extremities
#18
Chandra Kumar Krishnan, Han-Soo Kim, Ji Yeon Yun, Hwan Seong Cho, Jong Woong Park, Ilkyu Han
BACKGROUND AND OBJECTIVES: With increasing life expectancy of patients with bone metastasis, durable surgical stabilization of bone metastasis is necessary. Local recurrence (LR) can compromise surgical stabilization and necessitate retreatment. We analyzed LR rate and factors associated with LR in patients undergoing surgery for bone metastasis. METHODS: Patients (n = 301) who underwent surgery for bone metastasis to the extremities were reviewed. Possible factors that might be associated with LR were investigated...
October 16, 2017: Journal of Surgical Oncology
https://www.readbyqxmd.com/read/29037017/preoperative-chemoradiotherapy-versus-postoperative-chemoradiotherapy-for-stage-ii-iii-resectable-rectal-cancer-a-meta-analysis-of-randomized-controlled-trials
#19
Jin Ho Song, Jae Uk Jeong, Jong Hoon Lee, Sung Hwan Kim, Hyeon Min Cho, Jun Won Um, Hong Seok Jang
PURPOSE: Whether preoperative chemoradiotherapy (CRT) is better than postoperative CRT in oncologic outcome and toxicity is contentious in prospective randomized clinical trials. We systematically analyze and compare the treatment result, toxicity, and sphincter preservation rate between preoperative CRT and postoperative CRT in stage II-III rectal cancer. MATERIALS AND METHODS: We searched Medline, Embase, and Cochrane Library from 1990 to 2014 for relevant trials...
September 2017: Radiation Oncology Journal
https://www.readbyqxmd.com/read/29032738/long-term-survival-in-a-patient-with-low-level-inflammatory-markers-and-liver-metastasis-converted-resectable-by-tace
#20
Malkhaz Mizandari, Natela Paksashvili, Nino Kikodze, Tamta Azrumelashvili, Ia Pantsulaia, Koba Shanava, Nona Janikashvili, Tinatin Chikovani
Case report presents the successful treatment of unresectable liver metastasis in a patient with colon cancer. A 44-year-old male underwent right hemicolectomy followed by capecitabine for a moderately differentiated adenocarcinoma of the colon. 2 years later, a liver metastatic lesion was detected and had increased in size despite chemotherapy with capecitabine plus oxaliplatin (XELOX). Curative liver resection was conducted after conversion of unresectable tumor to resectable by transarterial chemoembolization followed by chemotherapy - irinotecan with fluorouracil and folinic acid (FOLFIRI)...
October 2017: Immunotherapy
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