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https://www.readbyqxmd.com/read/28549790/the-inhibitor-of-differentiation-1-id-1-enables-lung-cancer-liver-colonization-through-activation-of-an-emt-program-in-tumor-cells-and-establishment-of-the-pre-metastatic-niche
#1
Eduardo Castañón, Alex Soltermann, Inés López, Marta Román, Margarita Ecay, María Collantes, Miriam Redrado, Iosune Baraibar, José María López-Picazo, Christian Rolfo, Fernando Vidal-Vanaclocha, Luis Raez, Walter Weder, Alfonso Calvo, Ignacio Gil-Bazo
Id1 promotes carcinogenesis and metastasis, and predicts prognosis of non-small cell lung cancer (NSCLC)-adenocarcionoma patients. We hypothesized that Id1 may play a critical role in lung cancer colonization of the liver by affecting both tumor cells and the microenvironment. Depleted levels of Id1 in LLC (Lewis lung carcinoma cells, LLC shId1) significantly reduced cell proliferation and migration in vitro. Genetic loss of Id1 in the host tissue (Id1(-/-) mice) impaired liver colonization and increased survival of Id1(-/-) animals...
May 23, 2017: Cancer Letters
https://www.readbyqxmd.com/read/28546700/advanced-primary-epithelial-ovarian-and-peritoneal-carcinoma-does-diagnostic-accuracy-of-preoperative-ct-scan-for-detection-of-peritoneal-metastatic-sites-reflect-into-prediction-of-suboptimal-debulking-a-prospective-study
#2
Kiran Bagul, D K Vijaykumar, Anupama Rajanbabu, Mitchelle Aline Antony, Venkatesan Ranganathan
Ovarian cancer is the seventh most common cancer in females worldwide. Optimal debulking is the standard treatment but possible only in 30-85% of advanced stages. Knowing exactly the disease extent preoperatively may predict suboptimal debulking. We analyzed diagnostic accuracy of preoperative CT scan in disease mapping and prediction of suboptimal debulking in a prospective observational study from March 2013 to May 2015 in a tertiary hospital. Adults below the age of 75 years with ECOG PS-0, 1, 2, clinically/radiologically newly diagnosed stage IIIc epithelial ovarian (EOC), and primary peritoneal carcinoma (PPC) were included...
June 2017: Indian Journal of Surgical Oncology
https://www.readbyqxmd.com/read/28546516/re-evaluating-the-role-of-epithelial-mesenchymal-transition-in-cancer-progression
#3
Andrew Sulaiman, Zemin Yao, Lisheng Wang
Epithelial-mesenchymal transition (EMT) and mesenchymal-epithelial transition (MET) are essential for embryonic development and also important in cancer progression. In a conventional model, epithelial-like cancer cells transit to mesenchymal-like tumor cells with great motility via EMT transcription factors; these mesenchymal-like cells migrate through the circulation system, relocate to a suitable site and then convert back to an epithelial-like phenotype to regenerate the tumor. However, recent findings challenge this conventional model and support the existence of a stable hybrid epithelial/mesenchymal (E/M) tumor population...
April 6, 2017: Journal of Biomedical Research
https://www.readbyqxmd.com/read/28536280/liver-metastasis-is-facilitated-by-the-adherence-of-circulating-tumor-cells-to-vascular-fibronectin-deposits
#4
Jorge Barbazan, Lorena Alonso-Alconada, Nadia Elkhatib, Sara Geraldo, Vasily Gurchenkov, Alexandros Glentis, Guillaume van Niel, Roberta Palmulli, Beatriz Fernandez, Patricia Viaño, Tomás García-Caballero, Rafael López López, Miguel Abal, Danijela Matic Vignjevic
The interaction between circulating tumor cells (CTC) and endothelial cells during extravasation is a critical process during metastatic colonization, but its mechanisms remain poorly characterized. Here we report that the luminal side of liver blood vessels contains fibronectin deposits that are enriched in mice bearing primary tumors and are also present in vessels from human livers affected with metastases. Cancer cells attached to endothelial fibronectin deposits via talin1, a major component of focal adhesions...
May 23, 2017: Cancer Research
https://www.readbyqxmd.com/read/28533998/ipilimumab-as-a-cause-of-severe-pan-colitis-and-colonic-perforation
#5
Raj Shah, Danielle Witt, Talal Asif, Fahad F Mir
Ipilimumab is a human monoclonal antibody that functions as a cytotoxic T-lymphocyte-associated antigen 4 (CTLA-4) inhibitor that is used to treat malignant melanoma. Due to ipilimumab's removal of immune regulation, specifically through the inactivation of CTLA-4, it is commonly associated with inflammatory and autoimmune events. Gastrointestinal (GI) related immune-related adverse events such as diarrhea occur in 29% of patients with 7.6% of patients specifically suffering from colitis. We describe a case of colonic perforation with ipilimumab use...
April 20, 2017: Curēus
https://www.readbyqxmd.com/read/28528300/treating-metastatic-triple-negative-breast-cancer-with-cd44-neuropilin-dual-molecular-targets-of-multifunctional-nanoparticles
#6
De-Sheng Liang, Wen-Jie Zhang, Ai-Ting Wang, Hai-Tao Su, Hai-Jun Zhong, Xian-Rong Qi
Metastasis of cancer makes up the vast majority of cancer-related deaths, and it usually initiates from tumor cells invasiveness and develops through tumor neovasculature. In this work, we have fabricated a CD44/neuropilin dual receptor-targeting nanoparticulate system (tLyP-1-HT NPs) with endogenous or FDA approved components for treating metastatic triple negative breast cancer (TNBC). The enhanced specific targeting of tLyP-1-HT NPs to both metastatic tumor cells and metastasis-supporting tumor neovasculature was contributed by means of CD44/neuropilin dual receptor-mediated interaction...
May 13, 2017: Biomaterials
https://www.readbyqxmd.com/read/28526245/lymphogenous-metastasis-to-the-transverse-colon-that-originated-from-signet-ring-cell-gastric-cancer-a-case-report-and-review-of-the-literature
#7
Hirofumi Sonoda, Kazushige Kawai, Hironori Yamaguchi, Koji Murono, Manabu Kaneko, Takeshi Nishikawa, Kensuke Otani, Kazuhito Sasaki, Koji Yasuda, Toshiaki Tanaka, Tomomichi Kiyomatsu, Keisuke Hata, Hiroaki Nozawa, Soichiro Ishihara, Susumu Aikou, Hiroharu Yamashita, Tetsuo Ushiku, Yasuyuki Seto, Masashi Fukayama, Toshiaki Watanabe
Metastases to the colon are rare and a high-frequency primary region is the stomach. In cases of metastases to the colon, the morphological type of the metastatic region is mostly the infiltrating type of poorly differentiated or undifferentiated adenocarcinoma with lymph and blood vessel invasion. A case of cancer metastasis to the transverse colon that originated from advanced gastric cancer, which shows the difficulties in the precise diagnosis of metastases to the colon, is presented. In the present case, the gastric carcinoma was determined to be an advanced infiltrative ulcerative adenocarcinoma and the colon carcinoma was determined to be a superficial depressed adenocarcinoma...
May 16, 2017: Clinics and Research in Hepatology and Gastroenterology
https://www.readbyqxmd.com/read/28516110/large-bowel-obstruction-following-endoscopic-spray-cryotherapy-for-palliation-of-rectal-cancer-bleeding
#8
Ravi Prakash, Digant Gupta, Pankaj Vashi
We report a unique case of a 79-year-old woman with metastatic rectal cancer who developed bowel obstruction following endoscopic cryotherapy with liquid nitrogen for palliation of bleeding in the rectum. She developed abdominal distention and pain following the procedure. Computed tomography of the abdomen revealed a paraumbilical hernia containing a segment of transverse colon resulting in partial bowel obstruction. It appears that the recurrent freeze-thaw cycles with poor decompression of the colon despite active venting suction during cryotherapy may have resulted in bowel distention and collapse, causing conformational changes resulting in partial bowel obstruction due to a paraumbilical hernia...
2017: ACG Case Reports Journal
https://www.readbyqxmd.com/read/28515248/systemic-management-of-colorectal-cancer
#9
Wells A Messersmith
Advances have been made in the systemic treatment of colorectal cancer, with approximately 12 chemotherapy or biologic agents approved for use as a single agent or in a combination. However, numerous gaps in our understanding of the disease remain, such as the lack of benefit with biologics in the adjuvant setting, the absence of biomarkers for most systemic therapies, and the reason why left-sided and right-sided tumors behave differently. At the 22nd NCCN Annual Conference, Dr. Wells A. Messersmith presented several impactful updates to the 2017 NCCN Clinical Practice Guidelines in Oncology for Colon Cancer and reviewed the outcomes with a host of therapies used for both early-stage and metastatic disease...
May 2017: Journal of the National Comprehensive Cancer Network: JNCCN
https://www.readbyqxmd.com/read/28514606/idh2-mutation-in-a-patient-with-metastatic-colon-cancer
#10
LETTER
Bing M Zhang, Alexin Aleshin, Chieh Y Lin, James Ford, James L Zehnder, Carlos J Suarez
New England Journal of Medicine, Volume 376, Issue 20, Page 1991-1992, May 2017.
May 18, 2017: New England Journal of Medicine
https://www.readbyqxmd.com/read/28512795/influence-of-primary-site-on-metastatic-distribution-and-survival-in-stage-iv-colorectal-cancer
#11
Arul E Suthananthan, Mayank Bhandari, Cameron Platell
BACKGROUND: To assess pattern distribution and prognosis of the three anatomical entities of metastatic colorectal cancer, and influence of treatment of metastases on survival. METHODS: Patients presenting with stage IV colorectal cancer (synchronous group), or who developed metastatic recurrence (metachronous group) after initial curative treatment between January 2005 and August 2015 were reviewed. Right sided (cecum to transverse colon), left sided (splenic flexure to sigmoid colon) and rectal cancers were identified...
May 16, 2017: ANZ Journal of Surgery
https://www.readbyqxmd.com/read/28501253/resection-of-the-primary-tumor-in-stage-iv-colorectal-cancer-when-is-it-necessary
#12
REVIEW
Leandro Feo, Michael Polcino, Garrett M Nash
Management of metastatic colorectal cancer requires accurate staging and multidisciplinary evaluation, leading to a consensus treatment plan with the ultimate goal of increasing survival and improving the quality of life, while taking into consideration the patient's performance status, disease burden, and goals of care. Since the introduction of multidrug chemotherapeutic regimens, survival of patients with metastatic colorectal cancer has improved. Many patients with unresectable disease are undergoing surgery for asymptomatic primary tumors despite evidence that it is usually a futile intervention...
June 2017: Surgical Clinics of North America
https://www.readbyqxmd.com/read/28498456/mir-944-inhibits-cell-migration-and-invasion-by-targeting-macc1-in-colorectal-cancer
#13
Liqiang Wen, Yingru Li, Zhipeng Jiang, Yuchao Zhang, Bin Yang, Fanghai Han
Dysfunction of microRNAs (miRNAs) is strongly proved to participate in the pathogenesis and tumorigenicity of colorectal cancer (CRC). miR-944 was reported to play either oncogenic or tumor suppressive roles in human cancers. A recent study reported that the levels of miR-944 in recurrent CRC patients were evidently lower than that in non-recurrent cases, suggesting that miR-944 may function as a tumor suppressive miRNA in CRC. Yet, the clinical value and biological function of miR-944 remain rarely known in CRC...
April 28, 2017: Oncology Reports
https://www.readbyqxmd.com/read/28495508/the-effect-of-ala-pdt-under-normoxia-and-cobalt-chloride-cocl2-induced-hypoxia-on-adhesion-molecules-icam-1-vcam-1-secretion-by-colorectal-cancer-cells
#14
Aleksandra Kawczyk-Krupka, Zenon Czuba, Beata Kwiatek, Sebastian Kwiatek, Magdalena Krupka, Karolina Sieroń
BACKGROUND: The most fundamental problem in cancer biology research is to understand the mechanisms of cancer cell resistance to oncological therapies. Literature reports emphasize the important role of adhesion molecules: intercellular adhesion molecule 1 and vascular cell adhesion molecule 1 (ICAM-1 and VCAM-1) in cancer progression and resistance to treatment. Photodynamic therapy (PDT) could become the component of a personalized approach to colorectal cancer, therefore we examined the effects of ALA (δ-aminolevulinic) acid PDT in normoxia and under cobalt chloride (CoCl2)-induced hypoxia on ICAM-1 and VCAM-1 secretion by colorectal cancer cells...
May 8, 2017: Photodiagnosis and Photodynamic Therapy
https://www.readbyqxmd.com/read/28493008/role-of-family-history-and-tumor-location-on-prognosis-of-patients-with-colorectal-cancer-and-synchronous-metastases
#15
Colloca Giuseppe, Venturino Antonella
BACKGROUND/AIMS: Family history of colorectal cancer and tumor location along colon-rectum have been reported as prognostic factors. The aim of the current study is to analyze the role of both on overall survival in a series of patients with metastatic colorectal cancer with synchronous metastases. METHODS: A retrospective mono-institutional analysis has been performed on patients, who received chemotherapy from 2004 to 2008. A Cox proportional-hazards regression was used to calculate hazard ratio (HR) for death, after adjustment for other variables (tumor metastasectomy, number of organs involved with metastases, number of anti-neoplastic drugs, age, sex, tumor grade, baseline CEA)...
May 10, 2017: International Journal of Colorectal Disease
https://www.readbyqxmd.com/read/28488730/octreotide-associated-neutropenia
#16
Stacy S Tse, Troy Kish
Drug-induced neutropenia and agranulocytosis are rare adverse events but can be fatal. Neutropenia can be induced by a myriad of drugs from almost every pharmacologic class. Octreotide is a somatostatin analogue that has been used to treat variceal bleeding, acromegaly, and severe diarrhea associated with metastatic tumors, and to reduce symptoms in the setting of malignant bowel obstruction and pseudo-obstruction. The most common adverse effects associated with octreotide include pain at the injection site and gastrointestinal effects such as loose stools, cramping, and nausea; neutropenia is not currently listed as an adverse effect of the drug...
May 10, 2017: Pharmacotherapy
https://www.readbyqxmd.com/read/28488579/evolutionary-cancer-favoring-engineered-vaccinia-virus-for-metastatic-hepatocellular-carcinoma
#17
So Young Yoo, Su-Nam Jeong, Dae Hwan Kang, Jeong Heo
Engineered vaccinia virus-based therapy shows promising results in patients with advanced hepatocellular carcinoma, although a strategic virus design for the metastatic liver and the study of its efficacy in treating the cancer has not been well assessed. In this paper, we proposed a simple and strategic virus design for targeting metastatic hepatocellular carcinoma. We developed an evolutionary cancer-favoring engineered vaccinia virus (CVV, which is produced by repeated selective replication in cancerous tissues and then deleting viral thymidine kinase genes) and investigated its therapeutic effects on metastatic liver cancer...
April 20, 2017: Oncotarget
https://www.readbyqxmd.com/read/28486761/panitumumab-interaction-with-tas-102-leads-to-combinational-anticancer-effects-via-blocking-of-egfr-mediated-tumor-response-to-trifluridine
#18
Yuji Baba, Toshiya Tamura, Yoshihiko Satoh, Masamitsu Gotou, Hiroshi Sawada, Shunsuke Ebara, Kazunori Shibuya, Jumpei Soeda, Kazuhide Nakamura
Panitumumab is a monoclonal antibody developed against the human epidermal growth factor receptor (EGFR). TAS-102 is a novel chemotherapeutic agent containing trifluridine (FTD) as the active cytotoxic component. Both panitumumab and TAS-102 have been approved for the treatment of metastatic colorectal cancer. In this study, we revealed the mechanism underlying the anticancer effects of panitumumab/TAS-102 combination using preclinical models. Panitumumab/FTD co-treatment showed additive antiproliferative effects in LIM1215 and synergistic antiproliferative effects in SW48 colon cancer cells...
May 9, 2017: Molecular Oncology
https://www.readbyqxmd.com/read/28476646/g-protein-coupled-receptor-gpr19-regulates-e-cadherin-expression-and-invasion-of-breast-cancer-cells
#19
Angad Rao, Deron R Herr
Dysregulation of G protein-coupled receptors (GPCRs) is known to be involved in the pathogenesis of a variety of diseases, including cancer initiation and progression. Within this family, approximately 140 GPCRs have no known endogenous ligands and these "orphan" GPCRs remain poorly characterized. The orphan GPCR GPR19 was identified and cloned 2 decades ago, but relatively little is known about its physio-pathological relevance. We observed its expression to be elevated in breast cancers and therefore sought to investigate its potential role in breast cancer pathology...
May 2, 2017: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/28476376/metastatic-intestinal-adenocarcinoma-to-a-lymph-node-involved-by-follicular-lymphoma-the-importance-of-looking-beyond-the-apparent
#20
Andres M Acosta, Snehal Sonawane, Asma Sharif, Michael R Pins
Composite tumors consisting of follicular lymphoma (FL) and colorectal or small intestinal adenocarcinoma are exceedingly rare, with only four cases published in the literature, to the best of our knowledge. While in most of these cases the clinical prognosis seems to be determined by the adenocarcinoma, at least one patient has shown rapid and aggressive progression of the FL. Here we report on a 62 year-old male with colonic adenocarcinoma metastatic to a retroperitoneal lymph node involved by FL, which illustrates the importance of carefully examining the histomorphology of lymphoid elements in surgical specimens...
December 5, 2016: Pathology, Research and Practice
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