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https://www.readbyqxmd.com/read/28212537/itraconazole-exerts-its-anti-melanoma-effect-by-suppressing-hedgehog-wnt-and-pi3k-mtor-signaling-pathways
#1
Guanzhao Liang, Musang Liu, Qiong Wang, Yongnian Shen, Huan Mei, Dongmei Li, Weida Liu
Malignant melanoma is the deadliest form of all skin cancers. Itraconazole, a commonly used systemic antifungal drug, has been tested for its anti-tumor effects on basal cell carcinoma, prostate cancer, and non-small cell lung cancer. Whether itraconazole has any specific anti-tumor effect on melanoma remains unknown. However, the goal of this study is to investigate the effect of itraconazole on melanoma and to reveal some details of its underlying mechanism. In the in vivo xenograft mouse model, we find that itraconazole can inhibit melanoma growth and extend the survival of melanoma xenograft mice, compared to non-itraconazole-treated mice...
February 14, 2017: Oncotarget
https://www.readbyqxmd.com/read/28208703/androgen-receptor-signaling-in-salivary-gland-cancer
#2
REVIEW
Martin G Dalin, Philip A Watson, Alan L Ho, Luc G T Morris
Salivary gland cancers comprise a small subset of human malignancies, and are classified into multiple subtypes that exhibit diverse histology, molecular biology and clinical presentation. Local disease is potentially curable with surgery, which may be combined with adjuvant radiotherapy. However, metastatic or unresectable tumors rarely respond to chemotherapy and carry a poorer prognosis. Recent molecular studies have shown evidence of androgen receptor signaling in several types of salivary gland cancer, mainly salivary duct carcinoma...
February 8, 2017: Cancers
https://www.readbyqxmd.com/read/28207636/association-between-pretransplant-cancer-and-survival-in-kidney-transplant-recipients
#3
Dag Olav Dahle, Tom Grotmol, Torbjørn Leivestad, Anders Hartmann, Karsten Midtvedt, Anna V Reisæter, Geir Mjøen, Hege K Pihlstrøm, Hege Næss, Hallvard Holdaas
BACKGROUND: Kidney transplantation in recipients with a previous malignancy is often deferred 2-5 years after cancer treatment due to fear of cancer recurrence. In Norway, the required waiting period has been 1 year. METHODS: We compared patient and graft survival of recipients with pretransplant cancer to the outcomes of matched recipients without such cancer (comparators) using Cox regression. RESULTS: From 1963 to 2010, 377 of 5867 recipients (6...
February 15, 2017: Transplantation
https://www.readbyqxmd.com/read/28197388/inhibition-of-tumor-growth-and-metastasis-by-emmprin-multiple-antigenic-peptide-map-vaccination-is-mediated-by-immune-modulation
#4
Elina Simanovich, Vera Brod, Maya M Rahat, Ella Drazdov, Miriam Walter, Jivan Shakya, Michal A Rahat
Previously, we have identified a new epitope in EMMPRIN, a multifunctional protein that mediates tumor cell-macrophage interactions and induces both MMP-9 and VEGF. Here, we synthesized this epitope as an octa-branched multiple antigenic peptide (MAP) to vaccinate mice implanted with subcutaneous syngeneic colon (CT26), prostate (TRAMP-C2) or renal (RENCA) cell line carcinomas. Vaccination inhibited, and sometimes regressed, tumor growth in a dose-dependent manner, reaching 94%, 71% and 72% inhibition, respectively, at a 50 μg dose (p < 0...
2017: Oncoimmunology
https://www.readbyqxmd.com/read/28196126/oxidative-stress-and-apoptosis-induction-in-human-thyroid-carcinoma-cells-exposed-to-the-essential-oil-from-pistacia-lentiscus-aerial-parts
#5
Simona Catalani, Francesco Palma, Serafina Battistelli, Serena Benedetti
BACKGROUND: Essential oils from the aerial parts (leaves, twigs and berries) of Pistacia lentiscus (PLEO) have been well characterized for their antibacterial and anti-inflammatory properties; however, poor information exists on their potential anticancer activity. METHODS: Increasing concentrations of PLEO (0.01-0.1% v/v, 80-800 μg/ml) were administered to a wide variety of cultured cancer cells from breast, cervix, colon, liver, lung, prostate, and thyroid carcinomas...
2017: PloS One
https://www.readbyqxmd.com/read/28195088/serotonin-receptor-4-5-hydroxytryptamine-receptor-type-4-regulates-expression-of-estrogen-receptor-beta-and-cell-migration-in-hormone-naive-prostate-cancer
#6
Yasuhiro Nakamura, Kazue Ise, Yuto Yamazaki, Fumiyoshi Fujishima, Keely M McNamara, Hironobu Sasano
BACKGROUND: Estrogens are considered to potentially play some roles in the development and progression of prostate cancer through estrogen receptor beta (ERβ). However, additional factors which could influence the clinical outcome of the patients through modulating these steroid signalings have also been proposed. Among these, increased expression of serotonin receptor especially that of 5-hydroxytryptamine receptor Type 4 (5-HTR4) has been recently proposed to be involved in autocrine/paracrine mechanisms of castration-resistant prostate cancer, but the presence and clinical significance of 5-HTR4 in hormone-naive prostate cancer (HNPC) and its interaction with hormonal signaling pathways have remained virtually unknown...
January 2017: Indian Journal of Pathology & Microbiology
https://www.readbyqxmd.com/read/28192761/a-comparison-of-bayesian-and-non-linear-regression-methods-for-robust-estimation-of-pharmacokinetics-in-dce-mri-and-how-it-affects-cancer-diagnosis
#7
Nikolaos Dikaios, David Atkinson, Chiara Tudisca, Pierpaolo Purpura, Martin Forster, Hashim Ahmed, Timothy Beale, Mark Emberton, Shonit Punwani
The aim of this work is to compare Bayesian Inference for nonlinear models with commonly used traditional non-linear regression (NR) algorithms for estimating tracer kinetics in Dynamic Contrast Enhanced Magnetic Resonance Imaging (DCE-MRI). The algorithms are compared in terms of accuracy, and reproducibility under different initialization settings. Further it is investigated how a more robust estimation of tracer kinetics affects cancer diagnosis. The derived tracer kinetics from the Bayesian algorithm were validated against traditional NR algorithms (i...
February 5, 2017: Computerized Medical Imaging and Graphics: the Official Journal of the Computerized Medical Imaging Society
https://www.readbyqxmd.com/read/28191295/small-cell-carcinoma-of-the-prostate-in-an-elderly-patient-a-case-report-and-review-of-the-literature
#8
Dale Alan Whitaker, Daniel H Miller, Niveditha Jagadesh, Gerald W Strong, Lauren Hintenlang, William B Schenk, Gregory A Broderick, Katherine S Tzou, Steven J Buskirk
Prostate cancer is the most common malignancy of men in the United States. Small-cell carcinoma (SCC), which typically presents as an aggressive lung malignancy, is a rare diagnosis within the setting of prostate cancer pathology. Due to its limited prevalence, little information regarding the treatment and prognosis of this disease in large populations is available. To date our current knowledge base is largely limited to case reports and retrospective case reviews. The mainstay of treatment for this particular histology most often involves a multimodality approach utilizing chemotherapy in conjunction with radiation therapy, androgen deprivation therapy, or prostatectomy...
November 17, 2016: Rare Tumors
https://www.readbyqxmd.com/read/28186973/upregulation-of-fam84b-during-prostate-cancer-progression
#9
Nicholas Wong, Yan Gu, Anil Kapoor, Xiaozeng Lin, Diane Ojo, Fengxiang Wei, Judy Yan, Jason de Melo, Pierre Major, Geoffrey Wood, Tariq Aziz, Jean-Claude Cutz, Michael Bonert, Arthur J Patterson, Damu Tang
Although the FAM84B gene lies within chromosome 8q24, a locus frequently altered in prostate cancer (PC), its alteration during prostate tumorigenesis has not been well studied. We report here FAM84B upregulation in DU145 cell-derived prostate cancer stem-like cells (PCSLCs) and DU145 cell-produced lung metastases compared to subcutaneous xenograft tumors. FAM84B protein was detected in bone metastases and primary PCs. Nanostring examination of 7 pairs of tumor adjacent normal and PC tissues revealed elevations in FAM84B mRNA levels in all carcinomas...
February 7, 2017: Oncotarget
https://www.readbyqxmd.com/read/28181816/induction-of-oxidants-distinguishes-susceptibility-of-prostate-carcinoma-cell-lines-to-p53-gene-transfer-mediated-by-an-improved-adenoviral-vector
#10
Rodrigo E Tamura, Aline Hunger, Denise Fernandes, Francisco Laurindo, Eugenia Costanzi-Strauss, Bryan E Strauss
Previously, we developed an adenoviral vector, Ad-PG, where transgene expression is regulated by a p53-responsive promoter. When used to transfer the p53 cDNA, a positive feedback mechanism is established. Here we perform a critical comparison between Ad-PGp53 and AdRGD-PGp53, where the RGD motif was incorporated in the adenoviral fiber protein. AdRGD-PGp53 provided superior transgene expression levels and resulted in the killing of prostate carcinoma cell lines DU145 and PC3. In vitro, this effect was associated with increased production of cytoplasmic and mitochondrial oxidants, DNA damage as revealed by detection of phosphorylated H2AX as well as cell death consistent with apoptosis...
February 9, 2017: Human Gene Therapy
https://www.readbyqxmd.com/read/28177964/contemporary-gleason-grading-of-prostatic-carcinoma-an-update-with-discussion-on-practical-issues-to-implement-the-2014-international-society-of-urological-pathology-isup-consensus-conference-on-gleason-grading-of-prostatic-carcinoma
#11
Jonathan I Epstein, Mahul B Amin, Victor E Reuter, Peter A Humphrey
The primary proceedings of the 2014 International Society of Urological Pathology Grading Conference were published promptly in 2015 and dealt with: (1) definition of various grading patterns of usual acinar carcinoma, (2) grading of intraductal carcinoma; and (3) support for the previously proposed new Grade Groups. The current manuscript in addition to highlighting practical issues to implement the 2014 recommendations, provides an updated perspective based on numerous studies published after the 2014 meeting...
February 7, 2017: American Journal of Surgical Pathology
https://www.readbyqxmd.com/read/28174483/dual-effect-of-wisp-1-in-diverse-pathological-processes
#12
Mengmeng Feng, Shuqin Jia
Wnt-1 inducible signaling pathway-1 (WISP-1), also known as CCN-4, belongs to the connective tissue growth factor (CTGF) family. WISP-1 is primarily expressed in embryonic stem cells and is involved in adult organ development. WISP-1 participates in many cellular processes, including proliferation, differentiation, apoptosis and adhesion. In addition, WISP-1 plays an important role in diverse pathophysiological processes, such as embryonic development, inflammation, injury repairs and cancers. Recent studies showed that WISP-1 was highly correlated with tumor progression and malignant transformation, whereas it played an oncogenic role in colorectal cancer, cholangiocarcinoma, hepatocellular carcinoma and breast cancer...
December 2016: Chinese Journal of Cancer Research, Chung-kuo Yen Cheng Yen Chiu
https://www.readbyqxmd.com/read/28173626/biopsy-undergrading-in-men-with-gleason-score%C3%A2-6-and-fatal-prostate-cancer-in-the-european-randomized-study-of-screening-for-prostate-cancer-rotterdam
#13
Arnout R Alberts, Leonard P Bokhorst, Charlotte F Kweldam, Ivo G Schoots, Theo H van der Kwast, Geert J van Leenders, Monique J Roobol
OBJECTIVES: A total of 15 men who died of prostate cancer had cT1/2 biopsy Gleason score ≤6 prostate cancer at prevalence screening in the European Randomized study of Screening for Prostate Cancer Rotterdam. Our objective was to explain (part of) these prostate cancer deaths by undergrading with the classical Gleason score. METHODS: Biopsy specimens of 98 men with classical Gleason score ≤6 or 3 + 4 = 7 at prevalence screening in the European Randomized study of Screening for Prostate Cancer Rotterdam were retrospectively reviewed by two pathologists using the International Society of Urological Pathology 2014 modified Gleason score...
February 7, 2017: International Journal of Urology: Official Journal of the Japanese Urological Association
https://www.readbyqxmd.com/read/28169842/challenges-in-management-of-squamous-cell-carcinoma-of-the-anus-in-new-england-and-across-the-united-states-a-review-of-the-national-cancer-data-base
#14
Victor E Pricolo, Kyle L Viani, Matteo Bonvini, Carlo F Abelli, Tracey J McDuffie
BACKGROUND: Management of squamous cell carcinoma of the anus (SCCA) is becoming more relevant, as its incidence continues to increase. The purpose of this study was to evaluate regional and national data to assess trends in epidemiology, access to cancer center care, and overall management strategies in SCCA. STUDY DESIGN: A review of available data from the American College of Surgeons Committee on Cancer National Cancer Data Base focused on incidence, sex, age, stage at diagnosis, distance traveled for care, and utilization of therapy as first course of treatment (FCT)...
February 6, 2017: American Journal of Clinical Oncology
https://www.readbyqxmd.com/read/28168774/when-i-get-like-that-put-a-gun-to-my-head
#15
Nancy Lutwak, Curt Dill
Yesterday a 95 year old man with prostate carcinoma and widespread bone metastases was brought to the emergency department because of blood in his urine after he pulled on his foley. At triage he was febrile and hypotensive, moaning incoherently which was not a change in mental status. Despite IV fluid hydration and pressors his blood pressure remained low. This article is protected by copyright. All rights reserved.
February 7, 2017: Academic Emergency Medicine: Official Journal of the Society for Academic Emergency Medicine
https://www.readbyqxmd.com/read/28168749/promising-therapeutic-efficacy-of-a-novel-reic-dkk-3-expressing-adenoviral-vector-for-hepatocellular-carcinoma
#16
Hiroaki Sawahara, Hidenori Shiraha, Daisuke Uchida, Hironari Kato, Ryo Kato, Atsushi Oyama, Teruya Nagahara, Masaya Iwamuro, Shigeru Horiguchi, Koichiro Tsutsumi, Mari Mandai, Tetsushige Mimura, Nozomu Wada, Yasuto Takeuchi, Kenji Kuwaki, Hideki Onishi, Shinichiro Nakamura, Masami Watanabe, Masakiyo Sakaguchi, Akinobu Takaki, Kazuhiro Nouso, Takahito Yagi, Yasutomo Nasu, Hiromi Kumon, Hiroyuki Okada
BACKGROUND AND AIM: Reduced expression in immortalized cells (REIC)/dickkopf 3 (Dkk-3) is a tumor suppressor gene that is downregulated in various cancers. In our previous study of prostate cancer, the REIC/Dkk-3-expressing adenoviral vector (Ad-REIC) was found to induce cancer-selective apoptosis. We recently developed a novel super gene expression (SGE) system and used this system to re-construct an Ad-REIC vector, termed the Ad-SGE-REIC, to achieve more effective therapeutic outcomes...
February 6, 2017: Journal of Gastroenterology and Hepatology
https://www.readbyqxmd.com/read/28168057/biomarkers-of-prostatic-cancer-an-attempt-to-categorize-patients-into-prostatic-carcinoma-benign-prostatic-hyperplasia-or-prostatitis-based-on-serum-prostate-specific-antigen-prostatic-acid-phosphatase-calcium-and-phosphorus
#17
Shahana Sarwar, Mohammed Abdul Majid Adil, Parveen Nyamath, Mohammed Ishaq
Prostatitis, BPH, and P.Ca are the most frequent pathologies of the prostate gland that are responsible for morbidity in men. Raised levels of PSA are seen in different pathological conditions involving the prostate. PAP levels are altered in inflammatory or infectious or abnormal growth of the prostate tissue. Serum calcium and phosphorus levels were also found to be altered in prostate cancer and BPH. The present study was carried out to study the levels of PSA, PAP, calcium, and phosphorus in serum of patients with Prostatitis, BPH, or P...
2017: Prostate Cancer
https://www.readbyqxmd.com/read/28166157/223ra-dichloride-bone-targeted-therapy-in-a-case-of-metastatic-salivary-duct-carcinoma
#18
Matteo Manfredi, Mario Airoldi, Marcello Tucci, Consuelo Buttigliero, Antonella Parente, Tiziana Angusti
Salivary duct carcinoma (SDC) is a rare malignancy, frequently overexpressing androgen receptor (AR). Therefore, similar to AR-positive prostate cancer (PCa), AR-positive SDC patients benefit from androgen deprivation therapy and, after progression on ADT, might take advantage of Ra dichloride, a radiopharmaceutical approved for the treatment of castration-resistant PCa with symptomatic bone disease. We report the case of a 75-year-old man with castration-resistant SDC and osteoblastic bone metastases who, after Ra treatment, achieved adequate control of bone pain and bone lesion reduction with minor side effects...
February 3, 2017: Clinical Nuclear Medicine
https://www.readbyqxmd.com/read/28166149/incidental-detection-of-head-and-neck-squamous-cell-carcinoma-on-68ga-psma-11-pet-ct
#19
Courtney Lawhn-Heath, Robert R Flavell, Christine Glastonbury, Thomas A Hope, Spencer C Behr
We present a case of an incidentally detected squamous cell carcinoma of the oropharynx on Ga-PSMA-11 PET. A 71-year-old man's condition was diagnosed as prostate carcinoma after a year of rising serum prostate-specific antigen. The staging Ga-PSMA PET/CT demonstrated focal radiotracer uptake in the prostate corresponding to his known primary prostate cancer. However, a PSMA-avid 3.4-cm mass was incidentally found in the right tongue base that was biopsied, confirming squamous cell carcinoma.
February 3, 2017: Clinical Nuclear Medicine
https://www.readbyqxmd.com/read/28163933/analysis-of-argonaute-complex-bound-mrnas-in-du145-prostate-carcinoma-cells-reveals-new-mirna-target-genes
#20
Jaroslaw Szczyrba, Volker Jung, Michaela Beitzinger, Elke Nolte, Sven Wach, Martin Hart, Sandra Sapich, Marc Wiesehöfer, Helge Taubert, Gunther Wennemuth, Norbert Eichner, Thomas Stempfl, Bernd Wullich, Gunter Meister, Friedrich A Grässer
Posttranscriptional gene regulation by microRNAs (miRNAs) contributes to the induction and maintenance of prostate carcinoma (PCa). To identify mRNAs enriched or removed from Ago2-containing RISC complexes, these complexes were immunoprecipitated from normal prostate fibroblasts (PNFs) and the PCa line DU145 and the bound mRNAs were quantified by microarray. The analysis of Ago complexes derived from PNFs or DU145 confirmed the enrichment or depletion of a variety of mRNAs already known from the literature to be deregulated...
2017: Prostate Cancer
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