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https://www.readbyqxmd.com/read/28647915/impact-of-the-21-gene-recurrence-score-on-outcome-in-patients-with-invasive-lobular-carcinoma-of-the-breast
#1
Scott Kizy, Jing Li Huang, Schelomo Marmor, Todd M Tuttle, Jane Yuet Ching Hui
PURPOSE: Invasive lobular carcinoma (ILC) of the breast has unique clinicopathologic characteristics, compared to invasive ductal carcinoma. The role of the 21-gene Recurrence Score (RS) has not been clearly defined for ILC. We sought to determine the prognostic value of RS and the impact of adjuvant chemotherapy on long-term survival in patients with ILC. METHODS: Utilizing the Surveillance, Epidemiology and End Results database from 2004 to 2013, we identified records of women aged 18-74 years, diagnosed with estrogen receptor (ER)-positive ILC (stage I to III) with RS available...
June 24, 2017: Breast Cancer Research and Treatment
https://www.readbyqxmd.com/read/28647837/targeting-metabolic-reprogramming-in-kras-driven-cancers
#2
REVIEW
Kenji Kawada, Kosuke Toda, Yoshiharu Sakai
Mutations of KRAS are found in a variety of human malignancies, including in pancreatic cancer, colorectal cancer, and non-small cell lung cancer at high frequency. To date, no effective treatments that target mutant variants of KRAS have been introduced into clinical practice. In recent years, a number of studies have shown that the oncogene KRAS plays a critical role in controlling cancer metabolism by orchestrating multiple metabolic changes. One of the metabolic hallmarks of malignant tumor cells is their dependency on aerobic glycolysis, known as the Warburg effect...
June 24, 2017: International Journal of Clinical Oncology
https://www.readbyqxmd.com/read/28647776/sentinel-node-biopsy-for-axillary-management-after-neoadjuvant-therapy-for-breast-cancer-a-single-center-retrospective-analysis-with-long-follow-up
#3
Yoshinari Ogawa, Katsumi Ikeda, Chika Watanabe, Yuri Kamei, Shinya Tokunaga, Yuko Tsuboguchi, Takeshi Inoue, Hiroko Fukushima, Makoto Ichiki
PURPOSE: Sentinel node biopsy (SNB) after neoadjuvant therapy (NAT) for breast cancer remains controversial. We conducted a retrospective study of patients who underwent SNB after NAT to evaluate the effectiveness of this procedure. METHODS: A consecutive 105 women with locally advanced breast cancer (cT1-4, cN0-3, M0) were treated with NAT between 2006 and 2015. The subjects were 80 of these patients who became or remained clinically node-negative after NAT, 53 of whom had axillary management determined by SNB (group A) and the other 27 underwent axillary lymph node dissection (ALND) without SNB (group B)...
June 24, 2017: Surgery Today
https://www.readbyqxmd.com/read/28647765/epidemiology-of-hepatocellular-carcinoma-target-population-for-surveillance-and-diagnosis
#4
REVIEW
An Tang, Oussama Hallouch, Victoria Chernyak, Aya Kamaya, Claude B Sirlin
Hepatocellular carcinoma (HCC) is the sixth most common cancer and the second leading cause of cancer mortality worldwide. Incidence rates of liver cancer vary widely between geographic regions and are highest in Eastern Asia and sub-Saharan Africa. In the United States, the incidence of HCC has increased since the 1980s. HCC detection at an early stage through surveillance and curative therapy has considerably improved the 5-year survival. Therefore, medical societies advocate systematic screening and surveillance of target populations at particularly high risk for developing HCC to facilitate early-stage detection...
June 24, 2017: Abdominal Radiology
https://www.readbyqxmd.com/read/28647740/integrative-assessment-of-pretreatment-inflammation-nutrition-and-muscle-based-prognostic-markers-in-patients-with-muscle-invasive-bladder-cancer-undergoing-radical-cystectomy
#5
Makito Miyake, Yosuke Morizawa, Shunta Hori, Nagaaki Marugami, Kota Iida, Kenta Ohnishi, Daisuke Gotoh, Yoshihiro Tatsumi, Yasushi Nakai, Takeshi Inoue, Satoshi Anai, Kazumasa Torimoto, Katsuya Aoki, Nobumichi Tanaka, Keiji Shimada, Noboru Konishi, Kiyohide Fujimoto
OBJECTIVE: The present study evaluated the clinical relevance of an integrative preoperative assessment of inflammation-, nutrition-, and muscle-based markers for patients with muscle-invasive bladder cancer (MIBC) undergoing curative radical cystectomy (RC). METHODS: The analysis enrolled 117 patients and the variables included age, body mass index (BMI), neutrophil-to-lymphocyte ratio, monocyte-to-lymphocyte ratio, platelet-to-lymphocyte ratio, modified Glasgow Prognostic Score (mGPS), prognostic nutritional index (PNI), Controlling Nutritional Status score, psoas muscle index (PMI), and peak expiratory flow (PEF)...
June 24, 2017: Oncology
https://www.readbyqxmd.com/read/28647698/increased-expression-of-follistatin-in-breast-cancer-reduces-invasiveness-and-clinically-correlates-with-better-survival
#6
Catherine Zabkiewicz, Jeyna Resaul, Rachel Hargest, Wen Guo Jiang, Lin Ye
BACKGROUND/AIM: Activin and its antagonist follistatin (FST) have been implicated in several solid tumours. This study investigated the role of FST in breast cancer. MATERIALS AND METHODS: FST expression was examined using reverse transcription polymerase chain reaction (RT-PCR), real-time quantitative polymerase chain reaction (qPCR) and immunohistochemistry in a cohort of breast cancer samples. Expression was correlated to pathological and prognostic parameters in our patient cohort...
July 2017: Cancer Genomics & Proteomics
https://www.readbyqxmd.com/read/28647685/irtks-is-correlated-with-progression-and-survival-time-of-patients-with-gastric-cancer
#7
Li-Yu Huang, Xuefei Wang, Xiao-Fang Cui, He Li, Junjie Zhao, Chong-Chao Wu, Lingqiang Min, Zhicheng Zhou, Lixin Wan, Yu-Ping Wang, Chao Zhang, Wei-Qiang Gao, Yihong Sun, Ze-Guang Han
BACKGROUND AND OBJECTIVES: IRTKS functions as a novel regulator of tumour suppressor p53; however, the role of IRTKS in pathogenesis of gastric cancer is unclear. DESIGN: We used immunohistochemistry to detect IRTKS levels in 527 human gastric cancer specimens. We generated both IRTKS-deficient and p53-deficient mice to observe survival time of these mice and to isolate mouse embryonic fibroblasts (MEFs) for evaluating in vivo tumorigenicity. Co-immunoprecipitation was used to study the interaction among p53, MDM2 and IRTKS, as well as the ubiquitination of p53...
June 24, 2017: Gut
https://www.readbyqxmd.com/read/28647671/use-of-oncogenic-driver-mutations-in-staging-of-multiple-primary-lung-carcinomas-a-single-center-experience
#8
Ramsey Asmar, Joshua R Sonett, Gopal Singh, Mahesh M Mansukhani, Alain C Borczuk
PURPOSE: The staging of multiple pulmonary adenocarcinomas requires the distinction of intrapulmonary metastasis (IPM) from multiple primary lung cancers (MPLC). This can be challenging in some patients, and the addition of data from oncogenic driver mutations in these tumors may be helpful in this determination. PROCEDURES: As a proof of principle, molecular driver results from primary tumors and their metastases in 45 patients were compared (cohort 1). Then, 69 patients with a total of 154 synchronous or metachronous lung carcinomas were identified, with pathologic findings compared to oncogenic driver mutation...
June 21, 2017: Journal of Thoracic Oncology
https://www.readbyqxmd.com/read/28647610/the-jak-stat3-axis-a-comprehensive-drug-target-for-solid-malignancies
#9
REVIEW
Jennifer Huynh, Nima Etemadi, Frédéric Hollande, Matthias Ernst, Michael Buchert
Intercellular communication between tumor cells, immune cells and the stroma characterises the tumor microenvironment, which is instrumental for establishing the ecological niche that fosters tumor growth and metastasis. While tumor cell intrinsic STAT3 signaling provides a crucial axis to support cell proliferation and survival, it also regulates many activities of the non-transformed cells that collectively make up the tumor microenvironment. Accordingly, excessive activation of STAT3 is a hallmark of many malignancies, and often occurs in response to cytokines of the IL-6 and IL-10 families...
June 21, 2017: Seminars in Cancer Biology
https://www.readbyqxmd.com/read/28647608/a-route-based-pathway-analysis-framework-integrating-mutation-information-and-gene-expression-data
#10
Yue Zhao, Tham H Hoang, Pujan Joshi, Seung-Hyun Hong, Charles Giardina, Dong-Guk Shin
We propose a new way of analyzing biological pathways in which the analysis combines both transcriptome data and mutation information and uses the outcome to identify "routes" of aberrant pathways potentially responsible for the etiology of disease. Each pathway route is encoded as a Bayesian Network which is initialized with a sequence of conditional probabilities which are designed to encode directionality of regulatory relationships encoded in the pathways, i.e. activation and inhibition relationships. First, we demonstrate the effectiveness of our model through simulation in which the model was able to easily separate Test samples from Control samples using fictitiously perturbed pathway routes...
June 21, 2017: Methods: a Companion to Methods in Enzymology
https://www.readbyqxmd.com/read/28647567/stearoyl-coa-desaturase-regulates-sorafenib-resistance-via-modulation-of-er-stress-induced-differentiation
#11
Mark Kin Fai Ma, Eunice Yuen Ting Lau, Doris Hoi Wing Leung, Jessica Lo, Nicole Pui Yu Ho, Lily Kwan Wai Cheng, Stephanie Ma, Chi Ho Lin, John A Copland, Jin Ding, Regina Cheuk Lam Lo, Irene Oi Lin Ng, Terence Kin Wah Lee
We investigated the functional role and clinical significance of Stearoyl CoA desaturase-1 (SCD1) mediated endoplasmic reticulum (ER) stress in regulation of liver tumor-initiating cells (T-ICs) and sorafenib resistance, aiming to develop a novel therapeutic strategy against hepatocellular carcinomas (HCCs) METHODS We evaluated the clinic-pathological relevance of SCD1 and its correlation with sorafenib resistance in large cohorts of HCC clinical samples by qPCR and immunohistochemical analyses. Lentiviral-based overexpression and knockdown approaches were performed to characterize functional roles of SCD1 in regulation of liver T-ICs and sorafenib resistance...
June 21, 2017: Journal of Hepatology
https://www.readbyqxmd.com/read/28647489/a-high-throughput-assay-to-identify-substrate-selective-inhibitors-of-the-erk-protein-kinases
#12
Chad J Miller, Yagmur Muftuoglu, Benjamin E Turk
Extracellular signal-regulated kinases 1 and 2 (ERK1/2) phosphorylate a variety of substrates important for survival and proliferation, and their activity is frequently deregulated in tumors. ERK pathway inhibitors have shown clinical efficacy as anti-cancer drugs, but most patients eventually relapse due to reactivation of the pathway. One factor limiting the efficacy of current therapeutics is the difficulty in reaching clinically effective inhibition of the ERK pathway in the absence of on-target toxicities...
June 21, 2017: Biochemical Pharmacology
https://www.readbyqxmd.com/read/28647470/bcl2-a-promising-cancer-therapeutic-target
#13
REVIEW
Gudapureddy Radha, Sathees C Raghavan
A remarkable characteristic of majority of cancer cells is that, they fail to undergo apoptosis, which in turn confers them a survival advantage over normal cells. Targeted cancer therapy aims at disrupting the functions of proteins that play an important role during cancer progression. Antiapoptotic protein, BCL2, is one such protein that is highly upregulated in many cancers as compared to normal cells, making it an ideal target for cancer therapy. Although, several BCL2 targeting agents have been investigated over the past 30years, very few have exhibited any clinical significance...
June 21, 2017: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/28647417/recurrent-thromboembolic-events-after-ischemic-stroke-in-patients-with-primary-brain-tumors
#14
Neal S Parikh, Jaclyn E Burch, Hooman Kamel, Lisa M DeAngelis, Babak B Navi
BACKGROUND: Stroke mechanisms and the risk of recurrent thromboembolism are incompletely understood in patients with primary brain tumors. We sought to better delineate these important clinical features. METHODS: We performed a retrospective cohort study of adults with primary brain tumors diagnosed with magnetic resonance imaging-confirmed acute ischemic stroke at the Memorial Sloan Kettering Cancer Center from 2005 to 2015. Study neurologists collected data on patients' cancer history, stroke risk factors, treatments, and outcomes...
June 21, 2017: Journal of Stroke and Cerebrovascular Diseases: the Official Journal of National Stroke Association
https://www.readbyqxmd.com/read/28647395/survival-differences-among-patients-with-bladder-cancer-according-to-sex-critical-evaluation-of-radical-cystectomy-use-and-delay-to-treatment
#15
Stephen B Williams, Jinhai Huo, Tamer J Dafashy, Cameron K Ghaffary, Jacques G Baillargeon, Edwin E Morales, Simon P Kim, Yong-Fang Kuo, Eduardo Orihuela, Douglas S Tyler, Stephen J Freedland, Ashish M Kamat
OBJECTIVE: Sex differences in bladder cancer survival are well known. However, the effect of type of treatment, timing to surgery when rendered, and survival outcomes according to sex have not been extensively examined. Given the relatively low incidence of bladder cancer in females, large multicenter and population-based studies are required to elucidate sex differences in survival. In this study, we sought to characterize the effect of use and timing of radical cystectomy (RC) according to sex and survival outcomes...
June 21, 2017: Urologic Oncology
https://www.readbyqxmd.com/read/28647392/a-novel-dual-inhibitor-of-microtubule-and-bruton-s-tyrosine-kinase-inhibits-survival-of-multiple-myeloma-and-osteoclastogenesis
#16
Manoj K Pandey, Krishne Gowda, Shen-Shu Sung, Thomas Abraham, Tulin Budak-Alpdogan, Giampolo Talamo, Sinisa Dovat, Shantu Amin
Bruton's tyrosine kinase (BTK) regulates many vital signaling pathways and play critical role in cell proliferation, survival, migration, and resistance. Earlier we reported that a small molecule KS99 is an inhibitor of tubulin polymerization. In the present study we explored that whether KS99 is a dual inhibitor of BTK and tubulin polymerization. While it is known that BTK is required for clonogenic growth, and resistance; and microtubules are essential for cancer cell growth; dual targeting of these two components has not been explored...
June 21, 2017: Experimental Hematology
https://www.readbyqxmd.com/read/28647367/mitochondrial-quality-control-pathways-pink1-acts-as-a-gatekeeper
#17
Elvira P Leites, Vanessa A Morais
Mitochondria have a pivotal role in the maintenance of cell homeostasis and survival. Mitochondria are involved in processes such as ATP production, reactive oxygen species production, apoptosis induction, calcium homeostasis and protein degradation. Thus, mechanisms that regulate the intrinsic quality of mitochondria have a crucial role in dictating overall cell fate. The importance of these well-regulated mechanisms is highlighted in disease scenarios such as neurodegeneration, cancer and neuromuscular atrophy...
June 21, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28647209/decreased-expression-of-the-atm-gene-linked-to-poor-prognosis-for-gastric-cancer-of-different-nationalities-in-xinjiang
#18
Mei Han, Lanying Ma, Yanli Qu, Yong Tang
OBJECTIVE: To explore the clinicopathological significance of ATM gene in the occurrence and prognosis of gastric cancer (GC) from different nationalities in Xinjiang. METHOD: The expression of ATM in 385 patients with GC (including 98 Uygurs, 231 Hans and 56 Kazaks) and its corresponding adjacent tissues were examined by quantitative real-time polymerase chain reaction (qRT-PCR) and immunohistochemistry assay to, analyze its correlations with clinicopathological features and prognosis of GC...
June 10, 2017: Pathology, Research and Practice
https://www.readbyqxmd.com/read/28647208/mage-a-family-is-involved-in-gastric-cancer-progression-and-indicates-poor-prognosis-of-gastric-cancer-patients
#19
Yishui Lian, Meixiang Sang, Lina Gu, Fei Liu, Danjing Yin, Shina Liu, Weina Huang, Yanyun Wu, Baoen Shan
BACKGROUND: As the best characterized CTA family members, melanoma-associated antigens (MAGE) have been reported to express in various malignant tumors. However, the expression pattern of MAGE-A family in gastric cancer (GC) specimens and their prognostic and therapeutic significance for GC patients is still unclear. MATERIALS AND METHODS: Tissue microarray - based immunohistochemistry analysis was used to examine the expression of MAGE-A family members (including MAGE-A1, -A2, -A3, -A4, -A6, -A10, and -A12) in 86 cases of GC specimens, 20 cases of the corresponding adjacent normal gastric specimens, and 9 cases of intraepithelial neoplasia specimens...
May 31, 2017: Pathology, Research and Practice
https://www.readbyqxmd.com/read/28647100/assessment-of-dna-ploidy-in-the-promise-molecular-subgroups-of-endometrial-cancer
#20
L Proctor, M Pradhan, S Leung, A Cheng, C H Lee, R A Soslow, C B Gilks, A Talhouk, J M McAlpine, H E Danielsen, L N Hoang
OBJECTIVE: We sought to determine whether DNA ploidy correlates with the four molecular subgroups of endometrial carcinoma (EC) as determined using ProMisE (Proactive Molecular Risk Classifier for Endometrial Cancer). METHODS: 90 cases of EC previously characterized by clinicopathological parameters, outcomes, and ProMisE molecular subgroup (POLE EDM, MMR-D, p53 wt or p53 abn) were assessed for DNA ploidy using image cytometry. Associations of ploidy with traditional clinicopathological parameters were also tested...
June 21, 2017: Gynecologic Oncology
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