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https://www.readbyqxmd.com/read/29933725/mediastinal-recurrence-after-curative-resection-of-colon-cancer-a-case-report-and-review-of-literature
#1
Kartikeya Rajdev, Abdul Hasan Siddiqui, Shivika Agarwal, Yusra Ansari, Rabih Maroun
Colorectal carcinoma is one of the most common and significant causes of cancer-related death. Metastasis to mediastinal lymph nodes and/or pleura without liver or lung involvement is an atypical pattern of colon cancer metastasis. A 70-year-old male underwent curative right side hemicolectomy and omentectomy for ascending colon cancer followed by adjuvant chemotherapy. Around nine months after surgery, the patient was noted to have bilateral large pleural effusions on the restaging computed tomography scan of the chest/abdomen/pelvis...
January 1, 2018: Journal of Oncology Pharmacy Practice
https://www.readbyqxmd.com/read/29931370/long-noncoding-rna-occ-1-suppresses-cell-growth-through-destabilizing-hur-protein-in-colorectal-cancer
#2
Yang Lan, Xuewei Xiao, Zhengchi He, Yu Luo, Chuanfang Wu, Ling Li, Xu Song
Overexpressed in colon carcinoma-1 (OCC-1) is one of the earliest annotated long noncoding RNAs (lncRNAs) in colorectal cancer (CRC); however, its function remains largely unknown. Here, we revealed that OCC-1 plays a tumor suppressive role in CRC. OCC-1 knockdown by RNA interference promotes cell growth both in vitro and in vivo, which is largely due to its ability to inhibit G0 to G1 and G1 to S phase cell cycle transitions. In addition, overexpression of OCC-1 can suppress cell growth in OCC-1 knockdown cells...
June 20, 2018: Nucleic Acids Research
https://www.readbyqxmd.com/read/29930716/transforming-growth-factor-%C3%AE-1-and-lysophosphatidic-acid-activate-integrin-%C3%AE-6-gene-promoter-in-hep-3b-cells
#3
Ruirui Xu, Mingyan Xu, Yucai Fu, Xiaoling Deng, Hui Han, Xihe Chen, Wenjing He, Gengzhen Chen
Although it is difficult to detect αvβ6 integrin (αvβ6) in normal epithelia cells, its expression is upregulated during wound healing and carcinogenesis. Overexpression of αvβ6 has been demonstrated in epithelial cell carcinomas, such as adenocarcinoma of the colon and ovary. However, the expression of αvβ6 has not been reported in hepatocellular carcinoma (HCC). We previously indicated that LPA may induce αvβ6-mediated TGF-β1 signaling mechanisms during the pathogenesis of lung injury and fibrosis...
July 2018: Oncology Letters
https://www.readbyqxmd.com/read/29930560/corrigendum-zoledronate-triggers-v%C3%AE-2-t-cells-to-destroy-and-kill-spheroids-of-colon-carcinoma-quantitative-image-analysis-of-three-dimensional-cultures
#4
Serena Varesano, Maria Raffaella Zocchi, Alessandro Poggi
[This corrects the article on p. 998 in vol. 9, PMID: 29867975.].
2018: Frontiers in Immunology
https://www.readbyqxmd.com/read/29930538/role-of-tumor-derived-chemokines-in-osteolytic-bone-metastasis
#5
REVIEW
Salvatore J Coniglio
Metastasis is the primary cause of mortality and morbidity in cancer patients. The bone marrow is a common destination for many malignant cancers, including breast carcinoma (BC), prostate carcinoma, multiple myeloma, lung carcinoma, uterine cancer, thyroid cancer, bladder cancer, and neuroblastoma. The molecular mechanism by which metastatic cancer are able to recognize, infiltrate, and colonize bone are still unclear. Chemokines are small soluble proteins which under normal physiological conditions mediate chemotactic trafficking of leukocytes to specific tissues in the body...
2018: Frontiers in Endocrinology
https://www.readbyqxmd.com/read/29929473/a-chinese-family-affected-by-lynch-syndrome-caused-by-mlh1-mutation
#6
Shuqin Jia, Meng Zhang, Yu Sun, Hai Yan, Fangping Zhao, Ziyu Li, Jiafu Ji
BACKGROUND: Lynch syndrome (LS) is caused by mutations in DNA mismatch repair (MMR) genes, which accounts for 3-5% of colorectal cancer. The risks of several types of cancer are greatly increased among individuals with LS. In this study, 4 members of a Chinese family with a MLH1 pathogenic variant, resulting in colonic carcinoma, was reported. CASE PRESENTATION: A 52-year-old colon cancer female was brought to us with a family history of colon cancer. Genetic counseling traced 4 members in her family with colon cancer (mother and 3 siblings including the proband) as well as other cancer types...
June 22, 2018: BMC Medical Genetics
https://www.readbyqxmd.com/read/29928431/p53-positively-regulates-the-expression-of-cancer-stem-cell-marker-cd133-in-hct116-colon-cancer-cells
#7
Xia Chen, Hua Guan, Xiao-Dan Liu, Da-Fei Xie, Yu Wang, Teng Ma, Bo Huang, Ping-Kun Zhou
Colon cancer stem cells (CSCs), which are highly capable of self-renewal and proliferation, are involved in colon tumorigenesis and response to therapy. CD133 is considered the most robust surface marker for colorectal cancer stem cells. Although the TP53 gene is frequently mutated in colon cancer, it remains not fully understood whether and how tumor protein p53 (p53) is associated with CD133 expression in colon cancer cells. In the present study, the expression of the CSC biomarker CD133 was investigated in terms of p53 status in colorectal carcinoma HCT116 cells...
July 2018: Oncology Letters
https://www.readbyqxmd.com/read/29928405/polypeptide-galnac-t6-expression-predicts-better-overall-survival-in-patients-with-colon-cancer
#8
Luis Ubillos, Edgardo Berriel, Daniel Mazal, Sabina Victoria, Enrique Barrios, Eduardo Osinaga, Nora Berois
Colorectal carcinoma (CRC) is the second leading cause of cancer mortality worldwide. O-glycosylated mucins at the cell surface of colonic mucosa exhibit alterations in cancer and are involved in fundamental biological processes, including invasion and metastasis. Certain members of the GalNAc-transferase family may be responsible for these changes and are being investigated as novel biomarkers of cancer. In the present study the prognostic significance of GalNAc-T6 was investigated in patients with CRC patients...
July 2018: Oncology Letters
https://www.readbyqxmd.com/read/29928343/sesquiterpene-lactone-6-o-angeloylplenolin-reverses-vincristine-resistance-by-inhibiting-yb-1-nuclear-translocation-in-colon-carcinoma-cells
#9
Changlong Li, Hezhen Wu, Yanfang Yang, Jianwen Liu, Zhenwen Chen
Multidrug resistance (MDR) is a major obstacle to cancer chemotherapy efficacy. In the present study, 6-O-angeloylplenolin repressed the overexpression of ATP binding cassette subfamily B member 1 ( MDR1 ) and increasing the intracellular concentration of anticancer drugs. A reduction in P-glycoprotein expression (encoded by MDR1 ) was observed in parallel with a decline in mRNA expression in vincristine-resistant HCT (HCT-8/VCR) cells treated with 6-O-angeloylplenolin. In addition, 6-O-angeloylplenolin suppressed the activity of the MDR1 gene promoter...
June 2018: Oncology Letters
https://www.readbyqxmd.com/read/29926299/a-facile-synthesis-and-antimicrobial-and-anticancer-activities-of-some-pyridines-thioamides-thiazole-urea-quinazoline-%C3%AE-naphthyl-carbamate-and-pyrano-2-3-d-thiazole-derivatives
#10
Yasser H Zaki, Marwa S Al-Gendey, Abdou O Abdelhamid
BACKGROUND: Chalcones have a place with the flavonoid family and show a few very important pharmacological activities. They can used as initial compounds for synthesis of several heterocyclic compounds. The compounds with the backbone of chalcones have been reported to possess various biological activities. RESULTS: Pyridine and thioamide derivatives were obtained from the reaction of 3-(furan-2-yl)-1-(p-tolyl)prop-2-en-1-one with the appropriate amount of malononitrile, benzoylacetonitrile, ethyl cyanoacetate and thiosemicarbazide in the presence of ammonium acetate...
June 20, 2018: Chemistry Central Journal
https://www.readbyqxmd.com/read/29925769/insights-into-resistance-mechanisms-of-inhibitors-to-mps1-c604y-mutation-via-a-comprehensive-molecular-modeling-study
#11
Yuan Chen, Wenquan Yu, Cui-Cui Jiang, Jin-Gui Zheng
Mono-polar spindle 1 (Mps1/TTK) represents a protein kinase reported to be vital for cell division processes and is generally regarded as an attractive target for the treatment of hepatocellular carcinoma, breast carcinoma, and colon cancer. However, the C604Y mutation has been linked to acquired resistance. Recently, three potential small-molecule inhibitors of Mps1 (i.e., reversine, NMS-P715, and its derivative Cpd-5) were reported for the C604Y mutation that exhibit significant resistance to NMS-P715 and Cpd-5, but retain affinity for reversine...
June 20, 2018: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/29924451/satb2-is-a-supplementary-immunohistochemical-marker-to-cdx2-in-the-diagnosis-of-colorectal-carcinoma-metastasis-in-an-unknown-primary
#12
Parag Deepak Dabir, Hans Svanholm, Jens Johannes Christiansen
CDX2 is routinely used for identifying gastrointestinal origin of metastatic adenocarcinomas; but a high percentage of other carcinomas also show positivity with this antibody. SATB2 is a new immunohistochemical marker with a few studies showing that it is specifically expressed in a large majority of colorectal adenocarcinomas. We assessed SATB2 along with CDX2 in patient material with metastasis in order to determine whether the primary site could be identified as 'colon-rectum'. Metastasis in 67 liver biopsies, 108 lymph nodes from resection specimens and 36 serous effusions was analyzed retrospectively...
June 2018: APMIS: Acta Pathologica, Microbiologica, et Immunologica Scandinavica
https://www.readbyqxmd.com/read/29924031/unexpected-and-durable-response-with-regorafenib-in-a-metastatic-colorectal-cancer-patient-without-kdr-mutation-a-case-report
#13
Gerardo Rosati, Nunzio Del Gaudio, Enrico Scarano, Rosa Anna Cifarelli, Lucia Altucci, Domenico Bilancia
RATIONALE: Regorafenib is an oral multikinase inhibitor and is approved as salvage therapy in the standard treatment of advanced colorectal cancer (CRC). Due to its limited efficacy, toxicity profile, and cost, it is necessary to identify those patients who may have the most benefit from regorafenib. In a previous case report, kinase insert domain receptor (KDR) mutation has been associated with exceptional clinical response (CR) in an elderly patient treated with a low dose of regorafenib; thus, it was hypothesized that it could represent a new predictive marker of drug response...
June 2018: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29921885/aescin-induced-reactive-oxygen-species-play-a-pro-survival-role-in-human-cancer-cells-via-atm-ampk-ulk1-mediated-autophagy
#14
Bin Li, Guo-Liang Wu, Wei Dai, Gang Wang, Hao-Yuan Su, Xue-Ping Shen, Rui Zhan, Jia-Ming Xie, Zhong Wang, Zheng-Hong Qin, Quan-Gen Gao, Gen-Hai Shen
Aescin, a natural mixture of triterpene saponins, has been reported to exert anticancer effect. Recent studies show that aescin increases intracellular reactive oxygen species (ROS) levels. However, whether the increased ROS play a role in the anticancer action of aescin remains to be explored. In this study, we demonstrated that aescin (20-80 μg/mL) dose-dependently induced apoptosis and activated mammalian target of rapamycin (mTOR)-independent autophagy in human hepatocellular carcinoma HepG2 cells and colon carcinoma HCT 116 cells...
June 19, 2018: Acta Pharmacologica Sinica
https://www.readbyqxmd.com/read/29921883/annonaceous-acetogenin-mimic-aa005-suppresses-human-colon-cancer-cell-growth-in-vivo-through-downregulation-of-mcl-1
#15
Bing Han, Yu-Xia Cao, Zhan-Ming Li, Zhao-Xia Wu, Yu-Qin Mao, Hui-Ling Chen, Zhu-Jun Yao, Li-Shun Wang
Annonaceous acetogenins are a well-established family of natural products with significant bioactivities, especially high cytotoxic and antitumor activities. AA005 is an annonaceous acetogenin mimic that has shown significant cytotoxicity against a variety of cancer cell lines, but its in vivo antitumor effects have not been demonstrated so far, and its anticancer mechanisms remain ambiguous. In this study, we investigated the effects of AA005 on human colon cancer cell lines in vivo. Human colon carcinoma cell line SW620 xenograft nude mice were treated with AA005 (5 mg/kg/day, i...
June 19, 2018: Acta Pharmacologica Sinica
https://www.readbyqxmd.com/read/29917326/replacement-and-desmoplastic-histopathological-growth-patterns-a-pilot-study-of-prediction-of-outcome-in-patients-with-uveal-melanoma-liver-metastases
#16
Raymond Barnhill, Peter Vermeulen, Sofie Daelemans, Pieter-Jan van Dam, Sergio Roman-Roman, Vincent Servois, Ilse Hurbain, Sophie Gardrat, Graça Raposa, Nicolas André, Rémi Dendale, Gaëlle Pierron, Laurence Desjardins, Nathalie Cassoux, Sophie Piperno-Neumann, Pascale Mariani, Claire Lugassy
Up to 50% of uveal melanomas (UM) metastasize to the liver within 10 years of diagnosis, and these almost always prove rapidly fatal. Since histopathological growth patterns (HGP) of liver metastases of the replacement and desmoplastic type, particularly from colon and breast carcinoma, may import valuable biological and prognostic information, we have studied HGP in a series of 41 UM liver metastases originating from 41 patients from the period 2006-2017. Twenty patients underwent enucleation while 21 had radiation therapy...
June 19, 2018: Journal of Pathology. Clinical Research
https://www.readbyqxmd.com/read/29915904/the-influence-of-tumour-site-on-prognosis-in-metastatic-colorectal-carcinomas-with-primary-tumour-resection
#17
Susanne Merkel, Vera S Schellerer, Axel Wein, Sabine Semrau, Carol Geppert, Jonas Göhl, Werner Hohenberger, Klaus Weber, Robert Grützmann
PURPOSE: The aim of our study was to compare the characteristics and prognosis between right- and left-sided metastatic colorectal carcinomas. METHODS: Data from 937 patients with stage IV colorectal carcinomas (synchronous distant metastasis) who had a resection of the primary tumour between 1985 and 2014 were analysed. Carcinomas in the caecum to transverse colon were defined as right-sided (n = 250; 26.7%). They were compared to tumours located from the splenic flexure to the rectum categorised as left-sided (n = 687; 73...
June 18, 2018: International Journal of Colorectal Disease
https://www.readbyqxmd.com/read/29915636/-enterococcus-faecalis-infective-endocarditis-and-colorectal-carcinoma-case-of-new-association-gaining-ground
#18
Zubair Khan, Nauman Siddiqui, Muhammad Wasif Saif
Mostly Streptococcus bovis ( S. bovis ) bacteremia and endocarditis (60%) has been found to be associated with underlying colorectal cancer (CRC). Enterococcus faecalis ( E. faecalis ) bacteremia and endocarditis has no identifiable source in most of the cases. E. faecalis is part of normal gut flora that can translocate through the intestine and cause the systemic infection. With any intestinal lesion or tumor, the barrier is breached and the gut flora like E. faecalis can translocate and cause infection. A 55-years-old male known to have non-ischemic cardiomyopathy with implantation of automated implantable cardioverter defibrillator (AICD) and atrial fibrillation presented with weight loss, fever and back pain...
June 2018: Gastroenterology Research
https://www.readbyqxmd.com/read/29911510/mixed-adenoneuroendocrine-carcinoma-of-the-colon-and-rectum
#19
S Qiu, G Pellino, O J Warren, S Mills, R Goldin, C Kontovounisios, P P Tekkis
Mixed adenoneuroendocrine carcinoma (MANEC) are rare cancers of the gastrointestinal (GI) and pancreatobiliary tract. They are characterized by the presence of a combination of epithelial and neuroendocrine elements, where each component represents at least 30% of the tumour. Review of literature and consolidation of clinicopathological data. Sixty-one cases of colorectal MANEC have been reported in literature and one seen in this centre. The median age of the patients affected was 61.9 ± 12.4 years (20-94 years)...
June 17, 2018: Acta Chirurgica Belgica
https://www.readbyqxmd.com/read/29907957/laminin-%C3%AE-1-orchestrates-vegfa-functions-in-the-ecosystem-of-colorectal-carcinoma
#20
E Mammadova-Bach, T Rupp, C Spenlé, I Jivkov, P Shankaranarayanan, A Klein, L Pisarsky, A Méchine-Neuville, G Cremel, M Kedinger, O De Wever, N Ambartsumian, S Robine, E Pencreach, D Guenot, P Simon-Assmann, J G Goetz, G Orend, O Lefebvre
Tumor stroma remodeling is a key feature of malignant tumors and can promote cancer progression. Laminins are major constituents of basement membranes that physically separate the epithelium from the underlying stroma. By employing mouse models expressing high and low levels of the laminin α1 chain (LMα1), we highlighted its implication in a tumor-stroma crosstalk, thus leading to increased colon tumor incidence, angiogenesis and tumor growth. The underlying mechanism involves attraction of carcinoma-associated fibroblasts by LMα1, VEGFA expression triggered by the complex integrin α2β1-CXCR4 and binding of VEGFA to LM-111, which in turn promotes angiogenesis, tumor cell survival and proliferation...
June 15, 2018: Biology of the Cell
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