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https://www.readbyqxmd.com/read/28550675/-prognostic-value-of-sequencing-of-radiotherapy-and-chemotherapy-following-breast-conserving-surgery-for-patients-with-breast-cancer
#1
Q Z Zhong, Z Wang, Y Tang, Q L Rong, S L Wang, J Jin, W H Wang, Y P Liu, Y W Song, H Fang, B Chen, S N Qi, N Li, Y Tang, J H Zhang, Y X Li
Objective: To evaluate the prognostic value of sequencing of adjuvant radiotherapy and chemotherapy following breast-conserving surgery for patients with breast cancer. Methods: A total of 1 154 patients withT1-2N0-3M0 breast cancer retrospectively reviewed. All patients received sequential radiotherapy and chemotherapy following breast-conserving surgery. Among them, 603 patients received radiotherapy first and 551 patients received chemotherapy first. Log-rank tests were used to determine significance of disease-free survival (DFS) and overall survival (OS) rates in the Kaplan-Meier curve...
April 23, 2017: Zhonghua Zhong Liu za Zhi [Chinese Journal of Oncology]
https://www.readbyqxmd.com/read/28550667/-clinical-features-and-risk-factors-for-recurrence-in-mucinous-breast-cancer
#2
L Lei, Z Z Chen, Y B Zheng, B Chen, X Wang, X J Wang
Objective: To investigate the clinicopathological characteristic and risk factors for recurrence in different subtypes of mucinous breast cancer(MBC). Methods: Clinical data of 97 MBC patients at Zhejiang Cancer Hospital from August 2005 to November 2012 were retrospectively analyzed. All of patients were divided into 3 subtypes according to the mucinous components in the tumors, named as partial mixed MBC with less than 50% of mucinous components, main mixed MBC where the mucinous component accounted for 50% to 90%, and pure MBC with more than 90% of mucinous components...
April 23, 2017: Zhonghua Zhong Liu za Zhi [Chinese Journal of Oncology]
https://www.readbyqxmd.com/read/28550498/expression-of-calretinin-in-high-grade-hormone-receptor-negative-invasive-breast-carcinomas-correlation-with-histological-and-molecular-subtypes
#3
Donata Micello, Alberto Bossi, Alessandro Marando, Emanuele Dainese, Fausto Sessa, Carlo Capella
Calretinin expression has been reported in neoplasms arising in various organs, including the breast. We investigated the relationship of calretinin expression with different histological and molecular subtypes of invasive breast carcinomas (IBCs) and its prognostic significance in high-grade female hormone receptor-negative IBCs. A total of 196 cases of IBCs of different histological subtypes were analyzed for immunohistochemical expression of calretinin, human epidermal growth factor receptor 2 (HER2), basal-like (BL), apocrine, and proliferative markers and grouped in different molecular subtypes...
May 26, 2017: Virchows Archiv: An International Journal of Pathology
https://www.readbyqxmd.com/read/28550065/exceptional-durable-response-to-everolimus-in-a-patient-with-biphenotypic-breast-cancer-harboring-an-stk11-variant
#4
Christine A Parachoniak, Andrew Rankin, Bernadette Gaffney, Ryan Hartmaier, Dan Spritz, Rachel L Erlich, Vincent A Miller, Deborah Morosini, Phil Stephens, Jeffrey S Ross, John Keech, Juliann Chmielecki
Metastatic triple negative breast cancer comprises 12-17% of breast cancers and carries a poor prognosis relative to other breast cancer subtypes. Treatment options in this disease are largely limited to systemic chemotherapy. A majority of clinical studies assessing efficacy of targeted therapeutics (e.g. the mTOR inhibitor everolimus) in advanced breast cancer patients have not utilized predictive genomic biomarker-based selection and have reported only modest improvement in clinical outcome relative to standard of care...
May 26, 2017: Cold Spring Harbor Molecular Case Studies
https://www.readbyqxmd.com/read/28549816/subtypes-of-stage-iv-ovarian-cancer-response-to-treatment-and-patterns-of-disease-recurrence
#5
Amy Jamieson, Peter Sykes, Lois Eva, Cecile Bergzoll, Bryony Simcock
BACKGROUND: To compare three different patterns of stage IV epithelial ovarian cancer; pleural effusion, parenchymal metastases and extra-abdominal lymph node metastases with treatment response and pattern of disease recurrence, and correlate treatment modality with outcome. METHODS: Retrospective analysis of FIGO stage IV epithelial ovarian cancer diagnosed between 2008 and 2012 in three gynaecologic oncology centres in New Zealand. RESULTS: 124 patients were analysed, 58 had pleural effusions, 38 parenchymal metastases, and 28 extra-abdominal lymph nodes...
May 23, 2017: Gynecologic Oncology
https://www.readbyqxmd.com/read/28549791/micrornas-in-gynecological-cancers-small-molecules-with-big-implications
#6
Sanjeev K Srivastava, Aamir Ahmad, Haseeb Zubair, Orlandric Miree, Seema Singh, Rodney P Rocconi, Jennifer Scalici, Ajay P Singh
Gynecological cancers (GCs) are often diagnosed at advanced stages, limiting the efficacy of available therapeutic options. Thus, there remains an urgent and unmet need for innovative research for the efficient clinical management of GC patients. Research over past several years has revealed the enormous promise of miRNAs. These small non-coding RNAs can aid in the diagnosis, prognosis and therapy of all major GCs, viz., ovarian cancers, cervical cancers and endometrial cancers. Mechanistic details of the miRNAs-mediated regulation of multiple biological functions are under constant investigation, and a number of miRNAs are now believed to influence growth, proliferation, invasion, metastasis, chemoresistance and the relapse of different GCs...
May 23, 2017: Cancer Letters
https://www.readbyqxmd.com/read/28549623/standardising-rna-profiling-based-biomarker-application-in-cancer-the-need-for-robust-control-of-technical-variables
#7
REVIEW
James P Stewart, Susan Richman, Tim Maughan, Mark Lawler, Philip D Dunne, Manuel Salto-Tellez
Histopathology-based staging of colorectal cancer (CRC) has utility in assessing the prognosis of patient subtypes, but as yet cannot accurately predict individual patient's treatment response. Transcriptomics approaches, using array based or next generation sequencing (NGS) platforms, of formalin fixed paraffin embedded tissue can be harnessed to develop multi-gene biomarkers for predicting both prognosis and treatment response, leading to stratification of treatment. While transcriptomics can shape future biomarker development, currently <1% of published biomarkers become clinically validated tests, often due to poor study design or lack of independent validation...
May 23, 2017: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/28549410/large-scale-tissue-histopathology-image-classification-segmentation-and-visualization-via-deep-convolutional-activation-features
#8
Yan Xu, Zhipeng Jia, Liang-Bo Wang, Yuqing Ai, Fang Zhang, Maode Lai, Eric I-Chao Chang
BACKGROUND: Histopathology image analysis is a gold standard for cancer recognition and diagnosis. Automatic analysis of histopathology images can help pathologists diagnose tumor and cancer subtypes, alleviating the workload of pathologists. There are two basic types of tasks in digital histopathology image analysis: image classification and image segmentation. Typical problems with histopathology images that hamper automatic analysis include complex clinical representations, limited quantities of training images in a dataset, and the extremely large size of singular images (usually up to gigapixels)...
May 26, 2017: BMC Bioinformatics
https://www.readbyqxmd.com/read/28548929/brd4-facilitates-dna-damage-response-and-represses-cbx5-heterochromatin-protein-1-hp1
#9
Georgios Pongas, Marianne K Kim, Dong J Min, Carrie D House, Elizabeth Jordan, Natasha Caplen, Sirisha Chakka, Joyce Ohiri, Michael J Kruhlak, Christina M Annunziata
Ovarian cancer (OC) is a heterogeneous disease characterized by defective DNA repair. Very few targets are universally expressed in the high grade serous (HGS) subtype. We previously identified that CHK1 was overexpressed in most of HGSOC. Here, we sought to understand the DNA damage response (DDR) to CHK1 inhibition and increase the anti-tumor activity of this pathway. We found BRD4 suppression either by siRNA or BRD4 inhibitor JQ1 enhanced the cytotoxicity of CHK1 inhibition. Interestingly, BRD4 was amplified and/or upregulated in a subset of HGSOC with statistical correlation to overall survival...
May 3, 2017: Oncotarget
https://www.readbyqxmd.com/read/28548128/genomic-profiling-of-breast-secretory-carcinomas-reveals-distinct-genetics-from-other-breast-cancers-and-similarity-to-mammary-analog-secretory-carcinomas
#10
Gregor Krings, Nancy M Joseph, Gregory R Bean, David Solomon, Courtney Onodera, Eric Talevich, Iwei Yeh, James P Grenert, Elizabeth Hosfield, Emily D Crawford, Richard C Jordan, Annemieke van Zante, Charles Zaloudek, Sandra J Shin, Yunn-Yi Chen
Secretory carcinomas of the breast are rare tumors with distinct histologic features, recurrent t(12;15)(p13;q25) translocation resulting in ETV6-NTRK3 gene fusion and indolent clinical behavior. Mammary analog secretory carcinomas arising in other sites are histopathologically similar to the breast tumors and also harbor ETV6-NTRK3 fusions. Breast secretory carcinomas are often triple (estrogen and progesterone receptor, HER2) negative with a basal-like immunophenotype. However, genomic studies are lacking, and whether these tumors share genetic features with other basal and/or triple negative breast cancers is unknown...
May 26, 2017: Modern Pathology: An Official Journal of the United States and Canadian Academy of Pathology, Inc
https://www.readbyqxmd.com/read/28548125/next-generation-sequencing-based-molecular-characterization-of-primary-urinary-bladder-adenocarcinoma
#11
Somak Roy, Dinesh Pradhan, Wayne L Ernst, Stephanie Mercurio, Yana Najjar, Rahul Parikh, Anil V Parwani, Reetesh K Pai, Rajiv Dhir, Marina N Nikiforova
Primary bladder adenocarcinoma is a rare and aggressive tumor with poor clinical outcomes and no standard of care therapy. Molecular biology of this tumor is unknown due to the lack of comprehensive molecular profiling studies. The study aimed to identify genomic alterations of clinical and therapeutic significance using next-generation sequencing and compare genomic profile of primary bladder adenocarcinoma with that of high-grade urothelial carcinoma and colorectal adenocarcinoma. A cohort of 15 well-characterized primary bladder adenocarcinoma was subjected to targeted next-generation sequencing for the identification of mutations and copy-number changes in 51 cancer-related genes...
May 26, 2017: Modern Pathology: An Official Journal of the United States and Canadian Academy of Pathology, Inc
https://www.readbyqxmd.com/read/28548087/the-distinct-metabolic-phenotype-of-lung-squamous-cell-carcinoma-defines-selective-vulnerability-to-glycolytic-inhibition
#12
Justin Goodwin, Michael L Neugent, Shin Yup Lee, Joshua H Choe, Hyunsung Choi, Dana M R Jenkins, Robin J Ruthenborg, Maddox W Robinson, Ji Yun Jeong, Masaki Wake, Hajime Abe, Norihiko Takeda, Hiroko Endo, Masahiro Inoue, Zhenyu Xuan, Hyuntae Yoo, Min Chen, Jung-Mo Ahn, John D Minna, Kristi L Helke, Pankaj K Singh, David B Shackelford, Jung-Whan Kim
Adenocarcinoma (ADC) and squamous cell carcinoma (SqCC) are the two predominant subtypes of non-small cell lung cancer (NSCLC) and are distinct in their histological, molecular and clinical presentation. However, metabolic signatures specific to individual NSCLC subtypes remain unknown. Here, we perform an integrative analysis of human NSCLC tumour samples, patient-derived xenografts, murine model of NSCLC, NSCLC cell lines and The Cancer Genome Atlas (TCGA) and reveal a markedly elevated expression of the GLUT1 glucose transporter in lung SqCC, which augments glucose uptake and glycolytic flux...
May 26, 2017: Nature Communications
https://www.readbyqxmd.com/read/28547656/influence-of-clinical-societal-and-treatment-variables-on-racial-differences-in-er-pr-breast-cancer-survival
#13
M E Roseland, K Schwartz, J J Ruterbusch, L Lamerato, R Krajenta, J Booza, Michael S Simon
BACKGROUND: African American (AA) women with breast cancer have persistently higher mortality compared to whites. We evaluated racial disparities in mortality among women with estrogen receptor (ER)/progesterone receptor (PR)-negative breast cancer. METHODS: The study population included 542 women (45% AA) diagnosed with ER/PR-negative Stage I through III breast cancer treated at the Henry Ford Health System (HFHS) between 1996 and 2005. Linked datasets from HFHS, Metropolitan Detroit Cancer Surveillance System, and the U...
May 25, 2017: Breast Cancer Research and Treatment
https://www.readbyqxmd.com/read/28546756/new-developments-in-the-treatment-of-advanced-squamous-cell-lung-cancer-focus-on-afatinib
#14
REVIEW
Vera Hirsh
Until recently, few treatment options existed for the treatment of squamous cell carcinoma (SqCC) of the lung, especially in the second-line setting following platinum-based chemotherapy. Accordingly, outcomes in this subtype of non-small-cell lung cancer (NSCLC) were generally poor. In this context, the recent availability of the checkpoint inhibitors nivolumab and pembrolizumab, the anti-VEGFR2 antibody ramucirumab (combined with docetaxel), and the ErbB-family blocker afatinib for the treatment of relapsed/refractory SqCC of the lung represent major advances...
2017: OncoTargets and Therapy
https://www.readbyqxmd.com/read/28545511/gastric-hepatoid-adenocarcinoma-resulting-in-a-spontaneous-gastric-perforation-a-case-report-and-review-of-the-literature
#15
Junichi Yoshizawa, Satoshi Ishizone, Meguru Ikeyama, Jun Nakayama
BACKGROUND: Gastric hepatoid adenocarcinoma (GHAC) is an atypical form of gastric cancer (GC) that has similar tissue morphology to hepatocellular carcinoma and frequently produces alpha-fetoprotein. We present an exceedingly rare case of GHAC resulting in a spontaneous gastric perforation. CASE PRESENTATION: A 61-year-old man presented at our institution complaining of abdominal and back pain. A computed tomography scan revealed a spontaneous gastric perforation with a solitary liver tumor and lymph node swelling...
May 25, 2017: BMC Cancer
https://www.readbyqxmd.com/read/28545469/age-related-terminal-duct-lobular-unit-involution-in-benign-tissues-from-chinese-breast-cancer-patients-with-luminal-and-triple-negative-tumors
#16
Changyuan Guo, Hyuna Sung, Shan Zheng, Jennifer Guida, Erni Li, Jing Li, Nan Hu, Joseph Deng, Jonine D Figueroa, Mark E Sherman, Gretchen L Gierach, Ning Lu, Xiaohong R Yang
BACKGROUND: Terminal duct lobular unit (TDLU) involution is a physiological process of breast tissue aging characterized by a reduction in the epithelial component. In studies of women with benign breast disease, researchers have found that age-matched women with lower levels of TDLU involution are at increased risk of developing breast cancer. We previously showed that breast cancer cases with core basal phenotype (CBP; estrogen receptor negative [ER(-)], progesterone receptor-negative [PR(-)], human epidermal growth factor receptor 2-negative [HER2(-)], cytokeratins (CK 5 or CK5/6)-positive [CK5/6(+)] and/or epidermal growth factor receptor-positive [EGFR(+)]) tumors had significantly reduced TDLU involution compared with cases with luminal A (ER(+) and/or PR(+), HER2(-), CK5/6(-), EGFR(-)) tumors from a population-based case-control study in Poland...
May 25, 2017: Breast Cancer Research: BCR
https://www.readbyqxmd.com/read/28545426/insulin-like-growth-factor-1-receptor-affects-the-survival-of-primary-prostate-cancer-patients-depending-on-tmprss2-erg-status
#17
Caterina Mancarella, Irene Casanova-Salas, Ana Calatrava, Maria García-Flores, Cecilia Garofalo, Andrea Grilli, José Rubio-Briones, Katia Scotlandi, José Antonio López-Guerrero
BACKGROUND: Prostate cancer (PCa) is characterized by clinical and biological heterogeneity and has differential outcomes and mortality rates. Therefore, it is necessary to identify molecular alterations to define new therapeutic strategies based on the risk of progression. In this study, the prognostic relevance of the insulin-like growth factor (IGF) system was examined in molecular subtypes defined by TMPRSS2-ERG (T2E) gene fusion within a series of patients with primary localized PCa...
May 25, 2017: BMC Cancer
https://www.readbyqxmd.com/read/28545269/-risk-factors-of-endometriosis-associated-ovarian-carcinoma-in-women-aged-45-years-and-older
#18
Z X He, S Wang, Z F Li, L Zhu, J H Leng, J H Lang
Obiective: To explore the risk factors of endometriosis-associated ovarian cancer (EAOC) in women with ovarian endometriosis aged 45 years and older in China. Methods: The medical records of total 1 038 women aged 45 years and older with a surgicopathological diagnosis of ovarian endometriosis treated at Peking Union Medical College Hospital from December 1994 to December 2014 were reviewed. Histology evaluation determined ovarian endometriosis with (n=30) or without (n=1 008) ovarian cancer. Results: (1) There were 30 (2...
May 25, 2017: Zhonghua Fu Chan Ke za Zhi
https://www.readbyqxmd.com/read/28544703/high-ubiquitin-specific-protease-44-expression-induces-dna-aneuploidy-and-provides-independent-prognostic-information-in-gastric-cancer
#19
Sho Nishimura, Eiji Oki, Koji Ando, Makoto Iimori, Yu Nakaji, Yuichiro Nakashima, Hiroshi Saeki, Yoshinao Oda, Yoshihiko Maehara
Chromosomal instability (CIN), characterized by aneuploidy, is a major molecular subtype of gastric cancer. The deubiquitinase USP44 is an important regulator of APC activation in the spindle checkpoint and leads to proper chromosome separation to prevent aneuploidy. Aberrant expression of USP44 leads CIN in cells; however, the correlation between USP44 and DNA aneuploidy in gastric cancer is largely unknown. We analyzed USP44 expression in 207 patients with gastric cancer by immunohistochemistry and found that the proportion of USP44 expression was higher in gastric cancer tumors (mean, 39...
May 23, 2017: Cancer Medicine
https://www.readbyqxmd.com/read/28544061/survival-difference-according-to-mutation-status-in-a-prospective-cohort-study-of-australian-patients-with-metastatic-non-small-cell-lung-carcinoma-nsclc
#20
Lavinia Tan, Marliese Alexander, Ann Officer, Michael MacManus, Linda Mileshkin, Ross Jennens, Dishan Herath, Richard de Boer, Stephen B Fox, David Ball, Benjamin Solomon
BACKGROUND AND OBJECTIVE: Non-small cell lung cancer (NSCLC) is a heterogeneous disease comprising not only different histologic subtypes but also different molecular subtypes. Our objective is to describe the frequency of oncogenic drivers in patients with metastatic NSCLC, the proportion of patients tested and survival difference according to mutation status in a single-institution study. METHODS: Metastatic NSCLC patients enrolled onto a prospective Thoracic Malignancies Cohort (TMC) Study between July 2012 and August 2016 were selected...
May 24, 2017: Internal Medicine Journal
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