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https://www.readbyqxmd.com/read/28238418/foxa1-is-expressed-in-ovarian-mucinous-neoplasms
#1
Georgia Karpathiou, Melany Venet, Mousa Mobarki, Fabien Forest, Celine Chauleur, Michel Peoc'h
FOXA1 is a transcription factor essential for the binding and action of other transcription factors on the chromatin. It is the major regulator of endoderm differentiation. It has important roles in breast, prostate and endometrial cancer. It has never been studied in ovarian tumours. The aim of this study was to investigate its expression in ovarian epithelial neoplasms. A total of 195 primary ovarian epithelial borderline or malignant tumours were immunohistochemically studied for the expression of FOXA1...
February 23, 2017: Pathology
https://www.readbyqxmd.com/read/28238382/frequency-of-papillary-tubal-hyperplasia-pth-salpingoliths-and-transition-from-adenoma-to-borderline-ovarian-tumors-bot-a-systematic-analysis-of-74-bot-with-different-histologic-types
#2
Lars-Christian Horn, Karolin Angermann, Bettina Hentschel, Jens Einenkel, Anne Kathrin Höhn
Borderline ovarian tumors (BOT) arise from cystadenomas and represent a transition step within the development of low-grade ovarian carcinomas (Type I tumors). That pathway mirrors the adenoma-to-carcinoma sequence known for colorectal cancer. It has been suggested that papillary tubal hyperplasia (PTH) and salpingoliths may be associated with the development of BOT. To evaluate the frequency of the presence of benign cystadenoma and its transition to BOT in a given patient as well as the presence of PTH and salpingoliths we re-valuated in 74 consecutive cases of BOT with different histologic types...
February 6, 2017: Pathology, Research and Practice
https://www.readbyqxmd.com/read/28236981/phase-i-ii-study-of-tecemotide-as-immunotherapy-in-japanese-patients-with-unresectable-stage-iii-non-small-cell-lung-cancer
#3
Nobuyuki Katakami, Toyoaki Hida, Hiroshi Nokihara, Fumio Imamura, Hiroshi Sakai, Shinji Atagi, Makoto Nishio, Tatsuhiko Kashii, Miyako Satouchi, Christoph Helwig, Morihiro Watanabe, Tomohide Tamura
OBJECTIVES: Unresectable stage III NSCLC (non-small cell lung cancer) confers a poor prognosis and interest is growing in the use of immunotherapy to improve outcomes for patients with this disease. We investigated the safety and efficacy of maintenance tecemotide, a mucin 1 (MUC1)-specific agent that induces T-cell responses to MUC1, versus placebo in Japanese patients with stage III unresectable NSCLC and no disease progression after primary chemoradiotherapy. MATERIALS AND METHODS: Patients aged ≥20 years with unresectable stage III NSCLC, stable disease or clinical response after primary chemoradiotherapy and performance status ≤1, were recruited across 25 centers in Japan...
March 2017: Lung Cancer: Journal of the International Association for the Study of Lung Cancer
https://www.readbyqxmd.com/read/28236980/significance-of-immune-checkpoint-proteins-in-egfr-mutant-non-small-cell-lung-cancer
#4
Ross A Soo, Hye Ryun Kim, Bernadette Reyna Asuncion, Zul Fazreen, Mohamed Feroz Mohd Omar, Maria Cynthia Herrera, Joey Sze Yun Lim, Grace Sia, Richie Soong, Byoung-Chul Cho
OBJECTIVES: To characterize the expression of PD-L1, PD-1, cytotoxic T-lymphocyte-associated protein 4 (CTLA-4) and T-cell immunoglobulin and mucin-domain containing-3 (TIM3) in epidermal growth factor receptor (EGFR) mutant non-small cell lung cancer (NSCLC). MATERIALS AND METHODS: Samples from 90 patients with newly diagnosed advanced stage NSCLC harboring EGFR mutations and treated with first line EGFR tyrosine kinase inhibitors (TKI) within 3 months of diagnosis were stained for CTLA-4, PD-L1, PD-1, TIM-3 and CD3 expression by immunohistochemistry...
March 2017: Lung Cancer: Journal of the International Association for the Study of Lung Cancer
https://www.readbyqxmd.com/read/28228881/urachal-adenocarcinoma-a-rare-case-report
#5
Bo Bao, Muhammed Hatem, Jason K Wong
Urachal carcinoma is a rare and aggressive form of bladder cancer involving the urachus, a fibrous remnant of the allantois that extends from the bladder to the umbilicus. We report this case of a 49-year-old women with primary urachal adenocarcinoma treated with partial cystectomy who relapsed 5 years after surgery with lung metastases. This patient with unremarkable medical history presented with abdominal discomfort and a palpable pelvic mass. Follow-up imaging reveals a large mass on the dome of the bladder extending from the urachus...
March 2017: Radiology case reports
https://www.readbyqxmd.com/read/28223677/-two-cases-of-fournier-s-gangrene-that-occurred-during-chemotherapy-for-rectal-cancer
#6
Makoto Koyama, Masato Kitazawa, Takehito Ehara, Yuta Yamamoto, Akira Suzuki, Yusuke Miyagawa, Shinichi Miyagawa
Two cases of Fournier's gangrene occurred during chemotherapy for advanced rectal cancer. Patients were treated using surgical debridement and antibiotic therapy. Case 1: A 66-year-old man had advanced rectal cancer with para-aortic and inguinal lymph node metastases. He received a sigmoid colostomy and chemotherapy(capecitabine, oxaliplatin, bevacizumab). Due to progression of the rectal mass, we performed radiotherapy(30 Gy)and chemotherapy(irinotecan, S-1, bevacizumab). After 14 days, he was hospitalized with a diagnosis of Fournier's gangrene with anal pain and fever...
February 2017: Gan to Kagaku Ryoho. Cancer & Chemotherapy
https://www.readbyqxmd.com/read/28217902/moving-towards-population-based-genetic-risk-prediction-for-ovarian-cancer
#7
Belinda Rahman, Lucy Side, Sahra Gibbon, Susanne F Meisel, Lindsay Fraser, Sue Gessler, Jane Wardle, Anne Lanceley
Ovarian cancer is the fifth most common cancer in UK women, and the leading cause of gynaecological cancer death. Five-year survival rates, of around 40%, have shown little improvement despite recent advances in cancer treatment. Mutations in the cancer susceptibility genes BRCA1 and BRCA2 confer lifetime risks of breast and ovarian cancer of up to 80% and 40% respectively. The traditional approach of using cancer family history to select patients for genetic testing is being challenged; up to 44% of BRCA mutation carriers do not have a significant family history...
February 19, 2017: BJOG: An International Journal of Obstetrics and Gynaecology
https://www.readbyqxmd.com/read/28214210/pathologic-features-of-colorectal-carcinomas-associated-with-crohn-s-disease-in-korean-population
#8
Jiyoon Kim, Ho-Su Lee, Sang Hyoung Park, Suk-Kyun Yang, Byong Duk Ye, Dong-Hoon Yang, Kyung-Jo Kim, Jeong-Sik Byeon, Yong Sik Yoon, Chang Sik Yu, Jihun Kim
BACKGROUND: Colorectal cancer (CRC) has been known to complicate Crohn's disease (CD). Several reports in Western population revealed that CRC in CD were characterized by much younger onset and equal distribution of tumors along the entire colon. However, clinicopathologic features of CD-associated CRC in Korean population have not been well documented yet. METHODS: Among 2968 Korean CD patients, 16 patients (0.54%) were found to develop CRC during follow up. We reviewed clinicopathologic features of the 16 CRC patients...
December 21, 2016: Pathology, Research and Practice
https://www.readbyqxmd.com/read/28212138/deep-learning-in-mammography-diagnostic-accuracy-of-a-multipurpose-image-analysis-software-in-the-detection-of-breast-cancer
#9
Anton S Becker, Magda Marcon, Soleen Ghafoor, Moritz C Wurnig, Thomas Frauenfelder, Andreas Boss
OBJECTIVES: The aim of this study was to evaluate the diagnostic accuracy of a multipurpose image analysis software based on deep learning with artificial neural networks for the detection of breast cancer in an independent, dual-center mammography data set. MATERIALS AND METHODS: In this retrospective, Health Insurance Portability and Accountability Act-compliant study, all patients undergoing mammography in 2012 at our institution were reviewed (n = 3228). All of their prior and follow-up mammographies from a time span of 7 years (2008-2015) were considered as a reference for clinical diagnosis...
February 16, 2017: Investigative Radiology
https://www.readbyqxmd.com/read/28211282/signet-ring-cell-carcinoma-of-the-jejunum-an-uncommon-finding-within-the-reach-of-capsule-endoscopy
#10
José Francisco Juanmartiñena, Marta Montes, Ignacio Fernández-Urién
An 80 year-old female presented with ductal breast carcinoma (stage II) three years ago, complained of asthenia and iron-deficiency anemia. No diagnosis was obtained after conventional endoscopy and iron supplements were indicated. Ten months later visible digestive hemorrhage was presented. Upper and lower endoscopy was repeated but non-diagnosis was obtained. Thus, video capsule endoscopy was indicated identifying a stenotic lesion arising in the mucosa of distal jejunum. Histopathological examination revealed a poorly mucinous differentiated signet-ring cell adenocarcinoma with an intense peri-tumoral lymphoid (Crohn´s-like lymphoid reaction) and lympho-vascular infiltration with no nodal metastases (pT3N0;7ª edition TNM classification)...
February 2017: Revista Española de Enfermedades Digestivas
https://www.readbyqxmd.com/read/28206961/lynch-syndrome-related-small-intestinal-adenocarcinomas
#11
Sun-Young Jun, Eui-Jin Lee, Mi-Ju Kim, Sung Min Chun, Young Kyung Bae, Soon Uk Hong, Jene Choi, Joon Mee Kim, Kee-Taek Jang, Jung Yeon Kim, Gwang Il Kim, Soo Jin Jung, Ghilsuk Yoon, Seung-Mo Hong
Lynch syndrome is an autosomal-dominant disorder caused by defective DNA mismatch repair (MMR) genes and is associated with increased risk of malignancies in multiple organs. Small-intestinal adenocarcinomas are common initial manifestations of Lynch syndrome. To define the incidence and characteristics of Lynch syndrome-related small-intestinal adenocarcinomas, meticulous familial and clinical histories were obtained from 195 patients with small-intestinal adenocarcinoma, and MMR protein immunohistochemistry, microsatellite instability, MLH1 methylation, and germline mutational analyses were performed...
February 11, 2017: Oncotarget
https://www.readbyqxmd.com/read/28205224/muc13-overexpression-in-renal-cell-carcinoma-plays-a-central-role-in-tumour-progression-and-drug-resistance
#12
Yonghua Sheng, Choa Ping Ng, Rohan Lourie, Esha T Shah, Yaowu He, Kuan Yau Wong, Inge Seim, Iulia Oancea, Christudas Morais, Penny L Jeffery, John Hooper, Glenda C Gobe, Michael A McGuckin
Metastatic renal cell carcinoma is a largely incurable disease, and existing treatments targeting angiogenesis and tyrosine kinase receptors are only partially effective. Here we reveal that MUC13, a cell surface mucin glycoprotein, is aberrantly expressed by most renal cell carcinomas, with increasing expression positively correlating with tumor grade. Importantly, we demonstrated that high MUC13 expression was a statistically significant independent predictor of poor survival in two independent cohorts, particularly in stage 1 cancers...
February 16, 2017: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/28205123/isolated-pancreatic-uncinate-duct-ipmn
#13
Ajay V Maker, Vijay K Maker
The ventral pancreas originally forms as an evagination of the common bile duct at 32 days gestation and its duct, the uncinate duct, eventually rotates with the ventral anlage to join the dorsal pancreas and fuse with the main pancreatic duct. Thus, though often considered a "branch" duct of the pancreas, embryologically, the uncinate duct is the "main" pancreatic duct of the ventral pancreas. This concept is not fully addressed in the current definitions of intraductal papillary mucinous neoplasms of the pancreas (IPMN) where international consensus guidelines consider the main-duct IPMN as high risk for malignancy and most small branch-duct IPMN as low risk for malignancy...
February 15, 2017: Journal of Gastrointestinal Surgery: Official Journal of the Society for Surgery of the Alimentary Tract
https://www.readbyqxmd.com/read/28201999/effect-of-myeloid-differentiation-primary-response-gene-88-on-expression-profiles-of-genes-during-the-development-and-progression-of-helicobacter-induced-gastric-cancer
#14
Ivonne Lozano-Pope, Arnika Sharma, Michael Matthias, Kelly S Doran, Marygorret Obonyo
BACKGROUND: Gastric cancer is one of the most common and lethal type of cancer worldwide. Infection with Helicobacter pylori (H. pylori) is recognized as the major cause of gastric cancer. However, it remains unclear the mechanism by which Helicobacter infection leads to gastric cancer. Furthermore, the underlying molecular events involved during the progression of Helicobacter infection to gastric malignancy are not well understood. In previous studies, we demonstrated that that H. felis-infected Myd88 (-/-) mice exhibited dramatic pathology and an accelerated progression to gastric dysplasia; however, the MyD88 downstream gene targets responsible for this pathology have not been described...
February 15, 2017: BMC Cancer
https://www.readbyqxmd.com/read/28197897/middle-segment-preserving-pancreatectomy-for-metachronous-intraductal-papillary-mucinous-neoplasm-after-pancreatoduodenectomy-a-case-report
#15
Mihoko Yamada, Teiichi Sugiura, Yukiyasu Okamura, Takaaki Ito, Yusuke Yamamoto, Ryo Ashida, Katsuhiko Uesaka
Total pancreatectomy has occasionally been performed to treat patients with multiple lesions (such as intraductal papillary mucinous neoplasm (IPMN)) or patients who have undergone repeated pancreatic resection. However, deficiencies of the exocrine and endocrine functions worsen patients' quality of life. Recently, there have been several case reports citing middle segment-preserving pancreatectomy (MSPP) as a safe procedure and beneficial with respect to preservation of the exocrine and endocrine functions...
December 2017: Surgical Case Reports
https://www.readbyqxmd.com/read/28197389/adaptive-resistance-to-anti-pd1-therapy-by-tim-3-upregulation-is-mediated-by-the-pi3k-akt-pathway-in-head-and-neck-cancer
#16
Gulidanna Shayan, Raghvendra Srivastava, Jing Li, Nicole Schmitt, Lawrence P Kane, Robert L Ferris
Programmed Death 1 (PD-1) and T cell Ig and mucin domain-3 protein (Tim-3) are immune checkpoint receptors that are expressed on tumor-infiltrating lymphocytes (TIL) in tumor-bearing mice and humans. As anti-PD-1 single agent response rates are only <20% in head and neck squamous cell carcinoma (HNSCC) patients, it is important to understand how multiple inhibitory checkpoint receptors maintain suppressed cellular immunity. One such receptor, Tim-3, activates downstream proliferative pathways through Akt/S6, and is highly expressed in dysfunctional TIL...
2017: Oncoimmunology
https://www.readbyqxmd.com/read/28196872/muc16-regulates-tspyl5-for-lung-cancer-cell-growth-and-chemoresistance-by-suppressing-p53
#17
Imayavaramban Lakshmanan, Shireen Salfity, Parthasarathy Seshacharyulu, Satyanarayana Rachagani, Abigail Thomas, Srustidhar Das, Prabin D Majhi, Rama Krishna Nimmakayala, Raghupathy Vengoji, Subodh M Lele, Moorthy P Ponnusamy, Surinder K Batra, Apar Kishor Ganti
PURPOSE: MUC16, a tumor biomarker and cell surface associated mucin, is overexpressed in various cancers; however, its role in lung cancer pathogenesis is unknown. Here, we have explored the mechanistic role of MUC16 in lung cancer. EXPERIMENTAL DESIGN: To identify the functional role of MUC16, stable knockdown was carried in lung cancer cells with two different shRNAs. Clinical significance of MUC16 was evaluated in lung cancer patient's tissues using IHC. We have generated genetically engineered mouse model (KrasG12D; AdCre) to evaluate the preclinical significance of MUC16...
February 14, 2017: Clinical Cancer Research: An Official Journal of the American Association for Cancer Research
https://www.readbyqxmd.com/read/28188963/high-risk-epithelial-ovarian-cancer-patients-for-hereditary-ovarian-cancer
#18
Seksit Chirasophon, Tarinee Manchana, Chinachote Teerapakpinyo
AIM: Risk assessment to identify patients at risk for hereditary ovarian cancer is important. The objectives of this study were to evaluate the frequency of high-risk epithelial ovarian cancer (EOC) patients and the frequency of germline mutation in these patients. METHODS: A total of 335 patients with histologically confirmed non-mucinous EOC were included. High-risk patients were defined as patients who had: (i) significant family history of breast/ovarian/colorectal/endometrial cancers; (ii) synchronous breast/endometrial/colorectal cancer; or (iii) high-grade serous carcinoma...
February 11, 2017: Journal of Obstetrics and Gynaecology Research
https://www.readbyqxmd.com/read/28187748/characterization-of-ovarian-clear-cell-carcinoma-using-target-drug-based-molecular-biomarkers-implications-for-personalized-cancer-therapy
#19
Mengjiao Li, Haoran Li, Fei Liu, Rui Bi, Xiaoyu Tu, Lihua Chen, Shuang Ye, Xi Cheng
BACKGROUND: It has long been appreciated that different subtypes (serous, clear cell, endometrioid and mucinous) of epithelial ovarian carcinoma (EOC) have distinct pathogenetic pathways. However, clinical management, especially chemotherapeutic regimens, for EOC patients is not subtype specific. Ovarian clear cell carcinoma (CCC) is a rare histological subtype of EOC, which exhibits high rates of recurrence and low chemosensitivity. We assessed potential therapeutic targets for ovarian CCC patients through analyzing the variation of drug-based molecular biomarkers expression between ovarian CCC and high-grade serous carcinoma (HGSC)...
February 10, 2017: Journal of Ovarian Research
https://www.readbyqxmd.com/read/28187432/comprehensive-investigation-of-a-novel-differentially-expressed-lncrna-expression-profile-signature-to-assess-the-survival-of-patients-with-colorectal-adenocarcinoma
#20
Jiang-Hui Zeng, Liang Liang, Rong-Quan He, Rui-Xue Tang, Xiao-Yong Cai, Jun-Qiang Chen, Dian-Zhong Luo, Gang Chen
Growing evidence has shown that long non-coding RNAs (lncRNAs) can serve as prospective markers for survival in patients with colorectal adenocarcinoma. However, most studies have explored a limited number of lncRNAs in a small number of cases. The objective of this study is to identify a panel of lncRNA signature that could evaluate the prognosis in colorectal adenocarcinoma based on the data from The Cancer Genome Atlas (TCGA). Altogether, 371 colon adenocarcinoma (COAD) patients with complete clinical data were included in our study as the test cohort...
February 6, 2017: Oncotarget
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