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melanoma prostate cancer

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https://www.readbyqxmd.com/read/28930697/overexpression-of-muc1-and-genomic-alterations-in-its-network-associate-with-prostate-cancer-progression
#1
Xiaozeng Lin, Yan Gu, Anil Kapoor, Fengxiang Wei, Tariq Aziz, Diane Ojo, Yanzhi Jiang, Michael Bonert, Bobby Shayegan, Huixiang Yang, Khalid Al-Nedawi, Pierre Major, Damu Tang
We investigate the association of MUC1 with castration-resistant prostate cancer (CRPC), bone metastasis, and PC recurrence. MUC1 expression was studied in patient-derived bone metastasis and CRPCs produced by prostate-specific PTEN(-/-) mice and LNCaP xenografts. Elevations in MUC1 expression occur in CRPC. Among nine patients with hormone-naïve bone metastasis, eight express MUC1 in 61% to 100% of PC cells. Utilizing cBioPortal PC genomic data, we organized a training (n=300), testing (n=185), and validation (n=194) cohort...
September 17, 2017: Neoplasia: An International Journal for Oncology Research
https://www.readbyqxmd.com/read/28923561/update-on-the-safety-of-phosphodiesterase-type-5-inhibitors-for-the-treatment-of-erectile-dysfunction
#2
REVIEW
Faysal A Yafi, Ira D Sharlip, Edgardo F Becher
INTRODUCTION: Phosphodiesterase type 5 inhibitors (PDE5Is) have demonstrated efficacy in the treatment of erectile dysfunction (ED). Although historically found to have limited drug-related adverse events, emerging data have suggested that PDE5Is might be associated with melanoma or recurrence of prostate cancer after radical prostatectomy. AIM: To summarize the literature on the safety of PDE5Is. METHODS: A literature review was performed through PubMed from 1990 through 2016 regarding ED...
September 8, 2017: Sexual Medicine Reviews
https://www.readbyqxmd.com/read/28915620/prpf-overexpression-induces-drug-resistance-through-actin-cytoskeleton-rearrangement-and-epithelial-mesenchymal-transition
#3
Salman Ul Islam, Adeeb Shehzad, Jong Kyung Sonn, Young Sup Lee
Pre-mRNA processing factor (PRPF) 4B kinase belongs to the CDK-like kinase family, and is involved in pre-mRNA splicing, and in signal transduction. In this study, we observed that PRPF overexpression decreased the intracellular levels of reactive oxygen species, and inhibited resveratrol-induced apoptosis by activating the cell survival signaling proteins NFκB, ERK, and c-MYC in HCT116 human colon cancer cells. PRPF overexpression altered cellular morphology, and rearranged the actin cytoskeleton, by regulating the activity of Rho family proteins...
August 22, 2017: Oncotarget
https://www.readbyqxmd.com/read/28912897/genomic-analysis-of-tumor-microenvironment-immune-types-across-14-solid-cancer-types-immunotherapeutic-implications
#4
Yu-Pei Chen, Yu Zhang, Jia-Wei Lv, Ying-Qin Li, Ya-Qin Wang, Qing-Mei He, Xiao-Jing Yang, Ying Sun, Yan-Ping Mao, Jing-Ping Yun, Na Liu, Jun Ma
We performed a comprehensive immuno-genomic analysis of tumor microenvironment immune types (TMITs), which is classified into four groups based on PD-L1+CD8A or PD-L1+cytolytic activity (CYT) expression, across a broad spectrum of solid tumors in order to help identify patients who will benefit from anti- PD-1/PD-L1 therapy. The mRNA sequencing data from The Cancer Genome Atlas (TCGA) of 14 solid cancer types representing 6,685 tumor samples was analyzed. TMIT was classified only for those tumor types that both PD-L1 and CD8A/CYT could prefict mutation and/or neoantigen number...
2017: Theranostics
https://www.readbyqxmd.com/read/28900485/uncarboxylated-osteocalcin-induces-antitumor-immunity-against-mouse-melanoma-cell-growth
#5
Yoshikazu Hayashi, Tomoyo Kawakubo-Yasukochi, Akiko Mizokami, Mai Hazekawa, Tomiko Yakura, Munekazu Naito, Hiroshi Takeuchi, Seiji Nakamura, Masato Hirata
Because of the poor response to chemotherapy and radiation therapy, new treatment approaches by immune-based therapy involving activated T cells are required for melanoma. We previously reported that the uncarboxylated form of osteocalcin (GluOC), derived from osteoblasts, potentially suppresses human prostate cancer cell proliferation by direct suppression of cell growth. However, the mechanisms in vivo have not been elucidated. In this study, we found that GluOC suppressed tumor growth of B16 mouse melanoma transplants in C57Bl/6N wild-type mice...
2017: Journal of Cancer
https://www.readbyqxmd.com/read/28898233/estimating-the-impact-of-a-cancer-diagnosis-on-life-expectancy-by-socio-economic-group-for-a-range-of-cancer-types-in-england
#6
Elisavet Syriopoulou, Hannah Bower, Therese M-L Andersson, Paul C Lambert, Mark J Rutherford
BACKGROUND: Differences in cancer survival exist across socio-economic groups for many cancer types. Standard metrics fail to show the overall impact for patients and the population. METHODS: The available data consist of a population of ∼2.5 million patients and include all patients recorded as being diagnosed with melanoma, prostate, bladder, breast, colon, rectum, lung, ovarian and stomach cancers in England between 1998 and 2013. We estimated the average loss in expectation of life per patient in years and the proportion of life lost for a range of cancer types, separately by deprivation group...
September 12, 2017: British Journal of Cancer
https://www.readbyqxmd.com/read/28890814/outcomes-and-complications-of-radiation-therapy-in-patients-with-familial-adenomatous-polyposis
#7
Meng Gan, Dustin Boothe, Deborah W Neklason, N Jewel Samadder, Jonathan Frandsen, Megan B Keener, Shane Lloyd
BACKGROUND: The outcomes, complications, and rates of secondary malignancies from radiation therapy (RT) are not known for patients with familial adenomatous polyposis (FAP). METHODS: We queried the Hereditary Gastrointestinal Cancer Registry (HGCR) for patients with FAP who received RT. Outcomes assessed included acute and late treatment toxicity and secondary malignancies. RESULTS: We identified 15 patients undergoing 18 treatment courses...
August 2017: Journal of Gastrointestinal Oncology
https://www.readbyqxmd.com/read/28883519/monolithic-chip-for-high-throughput-blood-cell-depletion-to-sort-rare-circulating-tumor-cells
#8
Fabio Fachin, Philipp Spuhler, Joseph M Martel-Foley, Jon F Edd, Thomas A Barber, John Walsh, Murat Karabacak, Vincent Pai, Melissa Yu, Kyle Smith, Henry Hwang, Jennifer Yang, Sahil Shah, Ruby Yarmush, Lecia V Sequist, Shannon L Stott, Shyamala Maheswaran, Daniel A Haber, Ravi Kapur, Mehmet Toner
Circulating tumor cells (CTCs) are a treasure trove of information regarding the location, type and stage of cancer and are being pursued as both a diagnostic target and a means of guiding personalized treatment. Most isolation technologies utilize properties of the CTCs themselves such as surface antigens (e.g., epithelial cell adhesion molecule or EpCAM) or size to separate them from blood cell populations. We present an automated monolithic chip with 128 multiplexed deterministic lateral displacement devices containing ~1...
September 7, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28856087/complications-of-bone-metastases-from-malignant-melanoma
#9
Jamal Zekri, Maria Marples, Dominic Taylor, Kiran Kandukurti, Lucy McParland, Janet E Brown
INTRODUCTION: Metastatic bone disease (MBD) carries significant morbidity for patients with cancer. MBD from malignant melanoma (MM) is understudied. We examined the characteristics, morbidity, management and outcome of MBD in patients with MM. METHODS: Patients with metastatic MM managed at two referral cancer centres in England were identified. Those with bone metastases (BMs) were selected. Patient and disease characteristics including skeletal related events (SREs) were extracted from medical records...
September 2017: Journal of Bone Oncology
https://www.readbyqxmd.com/read/28815749/commentary-estrogen-receptor-expression-in-melanoma
#10
E Ramelyte, P Koelblinger, R Dummer
Sexual hormones share a common cholesterol derived steroid backbone and comprise estrogens, gestagens and androgens. They elicit numerous physiological and pathological functions; e.g. androgens are known to contribute to prostatic cancer development, whereas estrogens are of major importance in the pathogenesis of breast cancer. In 1986, presence of estrogen receptors (ER) on breast cancer cells was described as one of the first biomarkers in oncology [1]. This article is protected by copyright. All rights reserved...
August 16, 2017: Journal of the European Academy of Dermatology and Venereology: JEADV
https://www.readbyqxmd.com/read/28814301/incidence-of-cancer-among-licenced-commercial-pilots-flying-north-atlantic-routes
#11
Eva Maria Gudmundsdottir, Jon Hrafnkelsson, Vilhjalmur Rafnsson
BACKGROUND: To evaluate cancer incidence among licenced commercial pilots in association with cosmic radiation. METHODS: Cohort study where ionizing radiation dose of cosmic radiation was estimated from airline data and software program and cancer incidence was obtained by record linkage with nation-wide cancer registry. All licenced commercial male airline pilots were followed from 1955 to 2015, ever or never employed at airline with international routes. Standardized incidence ratios were calculated and relative risk by Poisson regression, to examine exposure-response relation...
August 16, 2017: Environmental Health: a Global Access Science Source
https://www.readbyqxmd.com/read/28810986/cancer-incidence-among-patients-of-the-u-s-veterans-affairs-health-care-system-2010-update
#12
Leah L Zullig, Kellie J Sims, Rebecca McNeil, Christina D Williams, George L Jackson, Dawn Provenzale, Michael J Kelley
INTRODUCTION: Nearly 50,000 incident cancer cases are reported in Veterans Affairs (VA) Central Cancer Registry (VACCR) annually. This article provides an updated report of cancer incidence recorded in VACCR. MATERIALS AND METHODS: Data were obtained from VACCR for incident cancers diagnosed in the VA health care system, focusing on 2010 data. Cancer incidence among VA patients is described by anatomical site, sex, race, stage, and geographic location, and was compared to the general U...
July 2017: Military Medicine
https://www.readbyqxmd.com/read/28806256/recurrent-malignant-melanoma-detected-on-18f-fluciclovine-pet-ct-imaging-for-prostate-cancer
#13
Eugene J Teoh, Maria T Tsakok, Kevin M Bradley, Katherine Hyde, Manil Subesinghe, Fergus V Gleeson
A 66-year-old man presented with biochemical recurrence of prostate cancer and underwent F-fluciclovine PET/CT to detect sites of recurrence. He had a history of resected truncal stage IIIC malignant melanoma, with bilateral axillary node involvement on sentinel node biopsy, in complete remission for 3 years. F-fluciclovine PET/CT demonstrated an incidental fluciclovine-avid right axillary node (SUVmax = 4.3). Diagnostic sampling confirmed recurrent malignant melanoma.
October 2017: Clinical Nuclear Medicine
https://www.readbyqxmd.com/read/28801919/familial-associations-of-female-breast-cancer-with-other-cancers
#14
Guoqiao Zheng, Hongyao Yu, Akseli Hemminki, Asta Försti, Kristina Sundquist, Kari Hemminki
Familial risks of breast cancer (BC) are well established but whether BC clusters with other, i.e. discordant, cancers is less certain but of interest for the identification of common genetic and possible environmental factors contributing to a general cancer susceptibility. We apply a novel approach to search for familial associations of BC with other (discordant) cancers based on the Swedish Family-Cancer Database. Relative risks (RRs) were calculated for BC in families with increasing numbers of patients with discordant cancer X, and conversely, familial RRs for cancer X in families with increasing numbers of BC patients...
August 12, 2017: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/28797620/extended-follow-up-of-patients-treated-with-bendamustine-for-lymphoid-malignancies
#15
Mara Penne, Maryam Sarraf Yazdy, Kruti Sheth Nair, Bruce D Cheson
INTRODUCTION: Bendamustine, typically in combination with rituximab, is an effective treatment for chronic lymphocytic leukemia (CLL) and B-cell non-Hodgkin lymphoma. Despite its acceptable short-term toxicity profile, long-term toxicities are less well established. This study investigated the long-term adverse effects of bendamustine and responses to subsequent treatments. PATIENTS AND METHODS: Charts of 194 patients were retrospectively reviewed; 54% had received prior treatment (76% attained complete response [CR] or partial response [PR])...
June 30, 2017: Clinical Lymphoma, Myeloma & Leukemia
https://www.readbyqxmd.com/read/28795589/a-novel-series-of-n-pyridin-2-yl-4-thiazol-5-yl-pyrimidin-2-amines-as-highly-potent-cdk4-6-inhibitors
#16
Solomon Tadesse, Ge Zhu, Laychiluh B Mekonnen, Jimma L Lenjisa, Mingfeng Yu, Michael P Brown, Shudong Wang
AIM: Inhibitors of CDK4/6 have emerged as a powerful class of therapeutics for treatment of several malignancies. We herein describe the identification of a new series of molecules that demonstrated excellent selectivity for CDK4/6 over CDKs1, 7 and 9. RESULTS: Medicinal chemistry optimization led to the discovery of 58 and 69 that inhibited CDK4 and CDK4/6, respectively, with high potency and selectivity, and 58 and 69 exhibited potent antiproliferative activities in a panel of human cancer cell lines including leukemia, and cancers of the breast, colon, ovary, pancreas and prostate...
August 10, 2017: Future Medicinal Chemistry
https://www.readbyqxmd.com/read/28793867/the-effect-of-nullomer-derived-peptides-9r-9s1r-and-124r-on-the-nci-60-panel-and-normal-cell-lines
#17
Abdelkrim Alileche, Greg Hampikian
BACKGROUND: Nullomer peptides are the smallest sequences absent from databases of natural proteins. We first began compiling a list of absent 5-amino acid strings in 2006 (1). We report here the effects of Nullomer-derived peptides 9R, 9S1R and 124R on the NCI-60 panel, derived from human cancers of 9 organs (kidney, ovary, skin melanoma, lung, brain, lung, colon, prostate and the hematopoietic system), and four normal cell lines (endothelial HUVEC, skin fibroblasts BJ, colon epithelial FHC and normal prostate RWPE-1)...
August 9, 2017: BMC Cancer
https://www.readbyqxmd.com/read/28790142/stress-resilience-and-cancer-risk-a-nationwide-cohort-study
#18
Beatrice Kennedy, Fang Fang, Unnur Valdimarsdóttir, Ruzan Udumyan, Scott Montgomery, Katja Fall
BACKGROUND: Stress resilience is recognised as a determinant of both psychiatric and somatic health, but the potential link between stress resilience and cancer development has not been explored. METHODS: In this nationwide cohort study, we examined the association between stress resilience in adolescence and subsequent cancer risk. We identified a cohort of 284 257 Swedish men, born 1952-1956, who underwent compulsory military enlistment examinations including measures of psychological stress resilience (median age 18 years)...
August 8, 2017: Journal of Epidemiology and Community Health
https://www.readbyqxmd.com/read/28762556/nadph-oxidase-5-nox5-induced-reactive-oxygen-signaling-modulates-normoxic-hif-1%C3%AE-and-p27-kip1-expression-in-malignant-melanoma-and-other-human-tumors
#19
Smitha Antony, Guojian Jiang, Yongzhong Wu, Jennifer L Meitzler, Hala R Makhlouf, Diana C Haines, Donna Butcher, Dave S Hoon, Jiuping Ji, Yiping Zhang, Agnes Juhasz, Jiamo Lu, Han Liu, Iris Dahan, Mariam Konate, Krishnendu K Roy, James H Doroshow
NADPH oxidase 5 (NOX5) generated reactive oxygen species (ROS) have been implicated in signaling cascades that regulate cancer cell proliferation. To evaluate and validate NOX5 expression in human tumors, we screened a broad range of tissue microarrays (TMAs), and report substantial overexpression of NOX5 in malignant melanoma and cancers of the prostate, breast, and ovary. In human UACC-257 melanoma cells that possesses high levels of functional endogenous NOX5, overexpression of NOX5 resulted in enhanced cell growth, increased numbers of BrdU positive cells, and increased γ-H2AX levels...
August 1, 2017: Molecular Carcinogenesis
https://www.readbyqxmd.com/read/28747635/aim1-is-an-actin-binding-protein-that-suppresses-cell-migration-and-micrometastatic-dissemination
#20
Michael C Haffner, David M Esopi, Alcides Chaux, Meltem Gürel, Susmita Ghosh, Ajay M Vaghasia, Harrison Tsai, Kunhwa Kim, Nicole Castagna, Hong Lam, Jessica Hicks, Nicolas Wyhs, Debika Biswal Shinohara, Paula J Hurley, Brian W Simons, Edward M Schaeffer, Tamara L Lotan, William B Isaacs, George J Netto, Angelo M De Marzo, William G Nelson, Steven S An, Srinivasan Yegnasubramanian
A defining hallmark of primary and metastatic cancers is the migration and invasion of malignant cells. These invasive properties involve altered dynamics of the cytoskeleton and one of its major structural components β-actin. Here we identify AIM1 (absent in melanoma 1) as an actin-binding protein that suppresses pro-invasive properties in benign prostate epithelium. Depletion of AIM1 in prostate epithelial cells increases cytoskeletal remodeling, intracellular traction forces, cell migration and invasion, and anchorage-independent growth...
July 26, 2017: Nature Communications
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