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https://www.readbyqxmd.com/read/29442059/modified-transverse-coloplasty-pouch-new-reconstruction-techniques-after-total-mesorectal-excision-our-experience
#1
G Grimaldi, Chiara Eberspacher, A M Romani, D Merletti, A Maturo, S Pontone, D Pironi
AIM: The incidence of rectal cancer continues to rise. The functional results after complete Total Mesorectal Excision (TME) depend on the segment of colon used for reconstruction of colonic continuity and the form, the volume and the functional proprieties of the "neorectum". The aim of our study is evaluate the efficacy of our Modified Transverse Coloplasty Pouch (MTCP) after the treatment of low rectal cancer in terms of functional outcomes and quality of life. PATIENTS AND METHODS: The study included 136 patients, underwent TME from January 2007 to December 2016 with diagnosis of extraperitoneal carcinoma of the rectum...
November 2017: Il Giornale di Chirurgia
https://www.readbyqxmd.com/read/29439668/hipect4-multicentre-randomized-clinical-trial-to-evaluate-safety-and-efficacy-of-hyperthermic-intra-peritoneal-chemotherapy-hipec-with-mitomycin-c-used-during-surgery-for-treatment-of-locally-advanced-colorectal-carcinoma
#2
A Arjona-Sánchez, P Barrios, E Boldo-Roda, B Camps, J Carrasco-Campos, V Concepción Martín, A García-Fadrique, A Gutiérrez-Calvo, R Morales, G Ortega-Pérez, E Pérez-Viejo, A Prada-Villaverde, J Torres-Melero, E Vicente, P Villarejo-Campos, J M Sánchez-Hidalgo, A Casado-Adam, Ruben García-Martin, Manuel Medina, T Caro, C Villar, Enrique Aranda, M T Cano-Osuna, C Díaz-López, E Torres-Tordera, F J Briceño-Delgado, S Rufián-Peña
BACKGROUND: Local relapse and peritoneal carcinomatosis (PC) for pT4 colon cancer is estimated in 15,6% and 36,7% for 12 months and 36 months from surgical resection respectively, achieving a 5 years overall survival of 6%. There are promising results using prophylactic HIPEC in this group of patients, and it is estimated that up to 26% of all T4 colon cancer could benefit from this treatment with a minimal morbidity. Adjuvant HIPEC is effective to avoid the possibility of peritoneal seeding after surgical resection...
February 13, 2018: BMC Cancer
https://www.readbyqxmd.com/read/29438173/fallopian-tube-mucosal-involvement-in-cervical-gastric-type-adenocarcinomas-report-of-a-series-with-discussion-of-the-distinction-from-synchronous-in-situ-tubal-lesions
#3
Simon Rajendran, Yaser Hussein, Kay J Park, W Glenn McCluggage
Cervical gastric-type adenocarcinomas are aggressive non-human papillomavirus-related carcinomas with a propensity for extracervical spread, including unusual sites such as the omentum, peritoneum, and ovary. We report 7 cases of cervical gastric-type adenocarcinoma with fallopian tube involvement predominantly in the form of mucosal colonization without underlying invasion. As far as we are aware, this has not been previously described and this report adds to the literature regarding metastatic neoplasms, which may exhibit tubal mucosal involvement and mimic an in situ lesion at this site...
February 12, 2018: American Journal of Surgical Pathology
https://www.readbyqxmd.com/read/29436668/kynurenine-promotes-the-goblet-cell-differentiation-of-ht-29-colon-carcinoma-cells-by-modulating-wnt-notch-and-ahr-signals
#4
Joo-Hung Park, Jeong-Min Lee, Eun-Jin Lee, Da-Jeong Kim, Won-Bhin Hwang
Various amino acids regulate cell growth and differentiation. In the present study, we examined the ability of HT-29 cells to differentiate into goblet cells in RPMI and DMEM which are largely different in the amounts of numerous amino acids. Most of the HT-29 cells differentiated into goblet cells downregulating the stem cell marker Lgr5 when cultured in DMEM, but remained undifferentiated in RPMI. The goblet cell differentiation in DMEM was inhibited by 1-methyl-tryptophan (1-MT), an inhibitor of indoleamine 2,3 dioxygenase-1 which is the initial enzyme in tryptophan metabolism along the kynurenine (KN) pathway, whereas tryptophan and KN induced goblet cell differentiation in RPMI...
February 13, 2018: Oncology Reports
https://www.readbyqxmd.com/read/29435081/long-non-coding-rna-ccat2-promotes-epithelial-mesenchymal-transition-involving-wnt-%C3%AE-catenin-pathway-in-epithelial-ovarian-carcinoma-cells
#5
Beidi Wang, Meimei Liu, Rujin Zhuang, Jing Jiang, Jiayin Gao, Hao Wang, He Chen, Zongfeng Zhang, Ye Kuang, Peiling Li
Long non-coding RNA colon cancer-associated transcript 2 (CCAT2) is dysregulated in a variety of types of human cancer. However, the role of CCAT2 in epithelial ovarian carcinoma (EOC) remains largely unknown. The aim of this study is to investigate the effect of CCAT2 on epithelial-mesenchymal transition (EMT) and related molecular mechanisms in epithelial ovarian cancer cells. In the current paper, we found that CCAT2 was significantly upregulated in EOC SKOV3, A2780 and HO8910 cell lines compared with the normal ovarian epithelial HUM-CELL-0088 cell line...
March 2018: Oncology Letters
https://www.readbyqxmd.com/read/29435077/clinical-value-of-the-preoperative-neutrophil-to-lymphocyte-ratio-and-red-blood-cell-distribution-width-in-patients-with-colorectal-carcinoma
#6
Fuyan Han, Xuming Shang, Furong Wan, Zhanfeng Liu, Wenjun Tian, Dan Wang, Yiqing Liu, Yong Wang, Bingchang Zhang, Ying Ju
The aim of the present study was to investigate the clinical value of the preoperative neutrophil-to-lymphocyte ratio (NLR) and red blood cell distribution width (RDW) in the peripheral blood of colorectal carcinoma (CRC) patients. Clinical data obtained from 240 patients with CRC undergoing radical surgical resection in Shandong Provincial Hospital Affiliated to Shandong University (Jinan, Shandong, China) between January 2011 and April 2015 were retrospectively analyzed. Data were also collected from 110 patients with colon polyps and 48 healthy volunteers to serve as controls for comparative analysis...
March 2018: Oncology Letters
https://www.readbyqxmd.com/read/29435059/macc1-and-hgf-are-associated-with-survival-in-patients-with-gastric-cancer
#7
Guokai Dong, Man Wang, Guangfu Gu, Shanshan Li, Xiaoming Sun, Zhouru Li, Hongxing Cai, Zhengqiu Zhu
Metastasis-associsated in colon cancer 1 (MACC1), a newly identified oncogene, promotes tumor cell proliferation and invasion. In the present study, the expression of MACC1, hepatocyte growth factor (HGF) and its receptor, MET proto-oncogene (c-Met), was investigated in human gastric cancer tissues and adjacent normal tissues by immunohistochemistry. The association between the expression levels of the proteins and the clinicopathological parameters of the tumors were statistically analyzed. Furthermore, lentiviral particles expressing MACC1 were used to infect the hepatic satellite cell (HSC) line LX2...
March 2018: Oncology Letters
https://www.readbyqxmd.com/read/29430229/pancreatic-pseudocyst-ruptured-due-to-acute-intracystic-hemorrhage
#8
Kunishige Okamura, Masanori Ohara, Tsukasa Kaneko, Tomohide Shirosaki, Aki Fujiwara, Takumi Yamabuki, Ryo Takahashi, Kazuteru Komuro, Nozomu Iwashiro, Noriko Kimura
Rupture of pancreatic pseudocyst is one of the rare complications and usually results in high mortality. The present case was a rupture of pancreatic pseudocyst that could be treated by surgical intervention. A 74-year-old man developed abdominal pain, vomiting, and diarrhea, and he was diagnosed with cholecystitis and pneumonia. Three days later, acute pancreatitis occurred and computed tomography (CT) showed slight hemorrhage in the cyst of the pancreatic tail. After another 10 days, CT showed pancreatic cyst ruptured due to intracystic hemorrhage...
September 2017: Case Reports in Gastroenterology
https://www.readbyqxmd.com/read/29428811/ir780-dye-loaded-gold-nanoparticles-as-new-near-infrared-activatable-nanotheranostic-agents-for-simultaneous-photodynamic-and-photothermal-therapy-and-intracellular-tracking-by-surface-enhanced-resonant-raman-scattering-imaging
#9
T Nagy-Simon, M Potara, A-M Craciun, E Licarete, S Astilean
Due to the good transparency of the human tissue in the biological spectral window, near-infrared (NIR)-dye loaded nanosystems enable more effective light-activated therapy and better contrast imaging with major impact on nanomedicine. Herein, we prepare Pluronic coated gold nanoparticles incorporating the hydrophobic NIR dye, IR780 iodide (GNP-Plu-IR780) to provide water-solubility and stability and demonstrate the proficiency of combining photodynamic and photothermal therapeutic activity with surface-enhanced resonance Raman scattering (SERRS) imaging facility...
February 3, 2018: Journal of Colloid and Interface Science
https://www.readbyqxmd.com/read/29423347/deficient-mismatch-repair-and-ras-mutation-in-colorectal-carcinoma-patients-a-retrospective-study-in-eastern-china
#10
Xiangyan Zhang, Wenwen Ran, Jie Wu, Hong Li, Huamin Liu, Lili Wang, Yujing Xiao, Xiaonan Wang, Yujun Li, Xiaoming Xing
Objectives: To investigate the frequency and prognostic role of deficient mismatch repair (dMMR) and RAS mutation in Chinese patients with colorectal carcinoma. Methods: Clinical and pathological information from 813 patients were reviewed and recorded. Expression of mismatch repair proteins was tested by immunohistochemistry. Mutation analyses for RAS gene were performed by real-time polymerase chain reaction. Correlations of mismatch repair status and RAS mutation status with clinicopathological characteristics and disease survival were determined...
2018: PeerJ
https://www.readbyqxmd.com/read/29423143/metachronous-metastatic-colonic-small-cell-carcinoma-and-recurrent-adenocarcinoma-in-a-patient-with-ulcerative-colitis
#11
Alexandra W Elias, Dorin T Colibaseanu, Kristopher P Croome
Colonic small cell carcinomas (SCCs) are rare, aggressive tumors characterized by early metastasis and poor prognosis. We describe a 39-year-old man with a history of ulcerative colitis and left colon adenocarcinoma resected at an outside institution who presented with hematochezia and proctalgia. Work-up revealed left colon SCC with liver metastases. After his excellent response to neoadjuvant chemotherapy, we performed synchronous proctocolectomy and right hepatectomy. Final pathologic evaluation revealed colonic primary SCC and recurrent adenocarcinoma with metastatic SCC to the liver; lymph nodes were positive for metastatic SCC and adenocarcinoma...
October 2017: Journal of Surgical Case Reports
https://www.readbyqxmd.com/read/29422806/topographic-histological-and-molecular-study-of-aberrant-crypt-foci-identified-in-human-colon-in-different-clinical-groups
#12
Shouriyo Ghosh, Brijnandan Gupta, Pavan Verma, Sreenivas Vishnubathla, Sujoy Pal, Nihar R Dash, Siddhartha Datta Gupta, Prasenjit Das
Background/Aims: Aberrant crypt foci (ACF) are early microscopic lesions of the colonic mucosa, which can be detected by magnified chromoendoscopy. Herein, we have investigated whether ACF identified in different clinical groups can be differentiated based on their characteristics. Methods: Macroscopically unremarkable mucosal flaps were collected from 270 fresh colectomies and divided into 3 clinical groups: colorectal carcinoma (group A), disease controls having known pre-neoplastic potential (group Bc), and disease controls without risk of carcinoma development (group Bn)...
January 2018: Intestinal Research
https://www.readbyqxmd.com/read/29420561/implication-of-krt16-fam129a-and-hkdc1-genes-as-atf4-regulated-components-of-the-integrated-stress-response
#13
Alexandra G Evstafieva, Irina E Kovaleva, Maria S Shoshinova, Andrei V Budanov, Peter M Chumakov
The ATF4 transcription factor is a key regulator of the adaptive integrated stress response (ISR) induced by various stresses and pathologies. Identification of novel transcription targets of ATF4 during ISR would contribute to the understanding of adaptive networks and help to identify novel therapeutic targets. We were previously searching for genes that display an inverse regulation mode by the transcription factors ATF4 and p53 in response to mitochondrial respiration chain complex III inhibition. Among the selected candidates the human genes for cytokeratine 16 (KRT16), anti-apoptotic protein Niban (FAM129A) and hexokinase HKDC1 have been found highly responsive to ATF4 overexpression...
2018: PloS One
https://www.readbyqxmd.com/read/29417382/squamous-cell-carcinoma-of-colon-an-etiopathological-surprise
#14
Vashisht Dikshit, Iqbal Ali, Chandradip Patil, Kshitij Manerikar, Pratham Mody
No abstract text is available yet for this article.
February 8, 2018: Journal of Gastrointestinal Cancer
https://www.readbyqxmd.com/read/29416623/hbxip-activates-the-ppar%C3%AE-nf-%C3%AE%C2%BAb-feedback-loop-resulting-in-cell-proliferation
#15
Qian Liu, Wenbin Lu, Chunxia Yang, Yue Wang, Wenjing Li, Ying Chu, Jianzhong Deng, Yongzhong Hou, Jianhua Jin
Hepatitis B X-interacting protein (HBXIP, also termed as LAMTOR5) plays a crucial role in regulation of cancer progression, while the mechanism is still unclear. Here we found that HBXIP increased the expression of PPARδ (peroxisome proliferator-activated receptor-δ) in gene and protein levels of SW480 or HT-29 colonic cancer cells. Chromatin immunoprecipitation and luciferase reporter assays showed that HBXIP occupied the core promoter (-1079/-239 nt) regions of PPARδ and that HBXIP activated the transcription activity of PPARδ in an NF-κB (p65)-dependent manner...
January 2, 2018: Oncotarget
https://www.readbyqxmd.com/read/29413989/annonalide-and-derivatives-semisynthesis-cytotoxic-activities-and-studies-on-interaction-of-annonalide-with-dna
#16
Ricardo A Marques, Akenaton O C V Gomes, Maria V de Brito, Ana L P Dos Santos, Gladyane S da Silva, Leandro B de Lima, Fátima M Nunes, Marcos C de Mattos, Fátima C E de Oliveira, Cláudia do Ó Pessoa, Manoel O de Moraes, Ângelo de Fátima, Lucas L Franco, Marina de M Silva, Maria Dayanne de A Dantas, Josué C C Santos, Isis M Figueiredo, Edeíldo F da Silva-Júnior, Thiago M de Aquino, João X de Araújo-Júnior, Maria C F de Oliveira, A A Leslie Gunatilaka
The cytotoxic activity of the pimarane diterpene annonalide (1) and nine of its semisynthetic derivatives (2-10) was investigated against the human tumor cell lines HL-60 (leukemia), PC-3 (prostate adenocarcinoma), HepG2 (hepatocellular carcinoma), SF-295 (glioblastoma) and HCT-116 (colon cancer), and normal mouse fibroblast (L929) cells. The preparation of 2-10 involved derivatization of the side chain of 1 at C-13. Except for 2, all derivatives are being reported for the first time. Most of the tested compounds presented IC50s below 4...
February 1, 2018: Journal of Photochemistry and Photobiology. B, Biology
https://www.readbyqxmd.com/read/29413587/targeting-the-leptin-receptor-to-evaluate-therapeutic-efficacy-and-anti-tumor-effects-of-doxil-in-vitro-and-in-vivo-in-mice-bearing-c26-colon-carcinoma-tumor
#17
Shahrzad Amiri Darban, Sara Nikoofal-Sahlabadi, Nafise Amiri, Nafiseh Kiamanesh, Amin Mehrabian, Bamdad Zendehbad, Zahra Gholizadeh, Mahmoud Reza Jaafari
Leptin is an appetite regulatory hormone that is secreted into the blood circulation by the adipose tissue and it functions via its over expressed receptors (Ob-R) in a wide variety of cancers. In the present study, the function of a leptin-derived peptide (LP16, 91-110 of Leptin) was investigated as a targeting ligand to decorate PEGylated liposomal doxorubicin (PLD, Doxil®) surface and the anti-tumor activity and therapeutic efficacy of Doxil in C26 (Colon Carcinoma) tumor model were also evaluated. As a result of this, Doxil with different LP16 peptide density (25, 50, 100 and 200 peptide on the surface of each liposome) was successfully prepared and characterized...
January 26, 2018: Colloids and Surfaces. B, Biointerfaces
https://www.readbyqxmd.com/read/29412173/three-lysophosphatidic-acids-with-a-distinct-long-chain-moiety-differently-affect-cell-differentiation-of-human-colon-epithelial-cells-to-goblet-cells
#18
Mayumi Hidaka, Mai Nishihara, Akira Tokumura
AIM: The intestinal mucus layer helps maintain intestinal homeostasis. In this study, we investigated the effects of lysophosphatidic acids (LPA) on differentiation of human colon carcinoma cell line, HT-29, to goblet cells with and without sodium butyrate, a known differentiation factor for intestinal cells. MAIN METHODS: Number and average size of cells with goblet-like morphology in five photographs per dish were measured for assessment of differentiation of HT-29 cells to goblet cells as well as their relative portion of surface of to whole surface area of the photograph...
February 2, 2018: Life Sciences
https://www.readbyqxmd.com/read/29410309/gastroprotective-effects-of-hwanglyeonhaedok-tang-against-helicobacter-pylori-induced-gastric-cell-injury
#19
Hee-Seon Park, Charith Ub Wijerathne, Hye-Yun Jeong, Chang-Seob Seo, Hyekyung Ha, Hyo-Jung Kwun
ETHNOPHARMACOLOGICAL RELEVANCE: Helicobacter pylori, which is found in the stomachs of approximately half of the world's population, has been associated with the development of chronic gastritis and gastric cancer. Hwanglyeonhaedok-tang (HHT) is a popular traditional medicine for the therapies of gastric ulcers and gastritis. AIM OF THE STUDY: The emerging resistance of H. pylori to antibiotics arouses requirement on alternative nonantibiotic-based therapies. In the present study, we investigated the anti-inflammatory activity and anti-microbial activity of HHT against H...
February 1, 2018: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/29403085/tumor-budding-as-a-standardized-parameter-in-gastrointestinal-carcinomas-more-than-just-the-colon
#20
REVIEW
Kyra B Berg, David F Schaeffer
Tumor budding, defined as single cells or clusters of less than five cells, is thought to be a histomorphologic marker of an aggressive tumor behavior mimicking the embryologic epithelial-mesenchymal transition, and has been well established in the past two decades as a poor prognostic factor in colorectal carcinoma. Slow uptake in routine reporting of this important pathologic prognostic feature was in part due to differing methods of assessment of budding reported in the literature, but has recently been clarified at a consensus conference on tumor budding in colorectal carcinoma...
February 6, 2018: Modern Pathology: An Official Journal of the United States and Canadian Academy of Pathology, Inc
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