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prostate cancer functional

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https://www.readbyqxmd.com/read/28637005/cxcl13-is-androgen-responsive-and-involved-in-androgen-induced-prostate-cancer-cell-migration-and-invasion
#1
Long Fan, Qingyi Zhu, Li Liu, Cuicui Zhu, Haojie Huang, Shan Lu, Ping Liu
Androgen receptor (AR) is a key transcription factor playing a critical role in prostate cancer (PCa) initiation and progression. However, the molecular mechanisms of AR action in prostate cancer are not very clear. CXCL13, known as B cell attracting chemokine1 (BCA-1), is a member of CXC chemokine family and relevant to cancer metastasis. This study shows that CXCL13 is an androgen-responsive gene and involved in AR-induced PCa cell migration and invasion. In clinical specimens, expression of CXCL13 in PCa tissues is markedly higher than that in adjacent normal tissues...
June 7, 2017: Oncotarget
https://www.readbyqxmd.com/read/28636526/does-health-coaching-grow-capacity-in-cancer-survivors-a-systematic-review
#2
Suzette Barakat, Kasey Boehmer, Marwan Abdelrahim, Sangwoo Ahn, Abdulrahman A Al-Khateeb, Neri Álvarez Villalobos, Larry Prokop, Patricia J Erwin, Kirsten Fleming, Valentina Serrano, Gabriela Spencer-Bonilla, Mohammad Hassan Murad
Interventions that grow patient capacity to do the work of health care and life are needed to support the health of cancer survivors. Health coaching may grow capacity. This systematic review of health coaching interventions explored coaching's ability to grow capacity of cancer survivors. The authors included randomized trials or quasi-experimental studies comparing coaching to alternative interventions, and adhered to PRISMA reporting guidelines. Data were analyzed using the Theory of Patient Capacity (BREWS: Capacity is affected by factors that influence ability to reframe Biography ["B"], mobilize or recruit Resources ["R"], interact with the Environment of care ["E"], accomplish Work ["W"]), and function Socially ["S"])...
June 21, 2017: Population Health Management
https://www.readbyqxmd.com/read/28635565/prostate-cancer-stem-cells-from-theory-to-practice
#3
Jan Adamowicz, Katayoon Pakravan, Babak Bakhshinejad, Tomasz Drewa, Sadegh Babashah
None of the generally accepted theories on prostate cancer development can fully explain many distinguishing features of the disease, such as intratumoral heterogeneity, metastatic growth, drug resistance and tumor relapse. Prostate stem cells are a heterogeneous and small subpopulation of self-renewing cells which can actively proliferate in response to changes in the androgen level and give rise to all the cell lineages that build the prostate epithelium. According to the cancer stem cell hypothesis, prostate cancer could be a stem cell disease...
February 7, 2017: Scandinavian Journal of Urology
https://www.readbyqxmd.com/read/28635336/new-advances-in-focal-therapy-for-early-stage-prostate-cancer
#4
Kae Jack Tay, Ariel A Schulman, Christina Sze, Efrat Tsivian, Thomas J Polascik
Prostate focal therapy offers men the opportunity to achieve oncological control while preserving sexual and urinary function. The prerequisites for successful focal therapy are to accurately identify, localize and completely ablate the clinically significant cancer(s) within the prostate. We aim to evaluate the evidence for current and upcoming technologies that could shape the future of prostate cancer focal therapy in the next five years. Areas Covered: Current literature on advances in patient selection using imaging, biopsy and biomarkers, ablation techniques and adjuvant treatments for focal therapy are summarized...
June 21, 2017: Expert Review of Anticancer Therapy
https://www.readbyqxmd.com/read/28631887/thymic-stromal-lymphopoietin-is-expressed-in-human-corneal-stromal-cells-and-secreted-upon-protease-activated-receptor-1-activation
#5
Hongbo Yin, Yan Tian, Rongying Luo, Yingping Deng
Thymic stromal lymphopoietin (TSLP) is an interleukin-7 (IL-7) like cytokine that triggers inflammatory responses through activating dendritic cell. It is demonstrated to be involved in a number of disorders, including cancer, gastrointestinal diseases, and autoimmune diseases. In addition, TSLP is also found to be able to induce itch sensation by directly activating the itch sensory neurons. The expression of human TSLP is detected in various tissues such as heart, liver, testis, and prostate. In this study, we report that TSLP was expressed in the human corneal stromal cells, the highly specialized cells that are critical for the function of the cornea...
June 20, 2017: IUBMB Life
https://www.readbyqxmd.com/read/28631436/characterization-of-a-novel-p110%C3%AE-specific-inhibitor-bl140-that-overcomes-mdv3100-resistance-in-castration-resistant-prostate-cancer-cells
#6
Chenchen He, Shaofeng Duan, Liang Dong, Yifen Wang, Qingting Hu, Chunjing Liu, Marcus L Forrest, Jeffrey M Holzbeierlein, Suxia Han, Benyi Li
BACKGROUND: Our previous studies demonstrated that the class IA PI3K/p110β is critical in castration-resistant progression of prostate cancer (CRPC) and that targeting prostate cancer with nanomicelle-loaded p110β-specific inhibitor TGX221 blocked xenograft tumor growth in nude mice, confirming the feasibility of p110β-targeted therapy for CRPCs. To improve TGX221's aqueous solubility, in this study, we characterized four recently synthesized TGX221 analogs. METHODS: TGX221 analog efficacy were examined in multiple prostate cancer cell lines with the SRB cell growth assay, Western blot assay for AKT phosphorylation and cell cycle protein levels...
June 20, 2017: Prostate
https://www.readbyqxmd.com/read/28631332/inhibition-of-microrna-500-has-anti-cancer-effect-through-its-conditional-downstream-target-of-tfpi-in-human-prostate-cancer
#7
Bing Cai, Wei Chen, Yue Pan, Hongde Chen, Yirong Zhang, Zhiliang Weng, Yeping Li
PURPOSE: We investigated the prognostic potential and regulatory mechanism of microRNA-500 (miR-500), and human gene of tissue factor pathway inhibitor (TFPI) in prostate cancer. METHODS: MiR-500 expression was assessed by qRT-PCR in prostate cancer cell lines and primary tumors. Cancer patients' clinicopathological factors and overall survival were analyzed according to endogenous miR-500 level. MiR-500 was downregulated in DU145 and VCaP cells. Its effect on prostate cancer proliferation, invasion in vitro, and tumorigenicity in vivo, were probed...
June 20, 2017: Prostate
https://www.readbyqxmd.com/read/28628830/breviscapine-bvp-inhibits-prostate-cancer-progression-through-damaging-dna-by-minichromosome-maintenance-protein-7-mcm-7-modulation
#8
Yang-Bo Guan, Dong-Rong Yang, Shao-Jun Nong, Jian Ni, Chun-Hui Hu, Jian Li, Jin Zhu, Yu-Xi Shan
Naturally occurring compounds are reported as effective candidates for prevention and treatment of various cancers. Breviscapine (BVP) is a mixture of flavonoid glycosides, derived from the Chinese herbs. Previous researches have indicated that BVP has comprehensive pharmacological functions. However, little is known about whether BVP has preventive effects on human prostate cancer. Here, we attempted to explore if BVP inhibits human prostate cancer in vitro and in vivo in a comprehensive manner. We found that BVP triggered cytotoxicity in prostate cancer cell lines dose-dependently...
June 16, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28628013/modulation-of-antitumor-immune-response-in-mouse-prostate-cancer-model
#9
N Mitskevich, T Tsertsvadze, K Mchedlishvili, K Matchavariani, G Guruli
Aim of study - prostate cancer is second most common cancer in men worldwide, and fifth leading cause of death from cancer in men (6.6% of the total men deaths). Unfortunately, once cancer spreads outside of prostate, it becomes incurable. Androgen deprivation can provide some relief, but resistance will develop eventually, and at that time no effective treatment options are left to the patient. Therefore, the search of alternative treatment modalities is paramount. In this article we evaluated the role of epigenetic modifier 5-azacitidine (5-AzaC) and immunomodulator - Lenalidomide and their possible impact on the immune response in the murine prostate cancer model...
May 2017: Georgian Medical News
https://www.readbyqxmd.com/read/28627880/site-specific-fucosylation-analysis-identifies-glycoproteins-associated-with-aggressive-prostate-cancer-cell-lines-using-tandem-affinity-enrichments-of-intact-glycopeptides-followed-by-mass-spectrometry
#10
Jianliang Zhou, Weiming Yang, Yingwei Hu, Naseruddin Hoti, Yang Liu, Punit Shah, Shisheng Sun, David J Clark, Stefani N Thomas, Hui Zhang
Fucosylation (Fuc) of glycoproteins plays an important role in regulating protein function and has been associated with the development of several cancer types including prostate cancer (Pca). Therefore, the research of Fuc glycoproteins has attracted increasing attention recently in analytical field. Herein, a strategy based on lectin affinity enrichments of intact glycopeptides followed by mass spectrometry has been established to evaluate the specificities of various Fuc-binding lectins for glycosite-specific Fuc analysis of non-aggressive (NAG) and aggressive (AG) Pca cell lines...
June 19, 2017: Analytical Chemistry
https://www.readbyqxmd.com/read/28627667/loss-of-mir-449a-caused-prlz-overexpression-promotes-prostate-cancer-metastasis
#11
Wei Chen, Yi Liu, Hongde Chen, Hao Ning, Kejia Ding
Distant metastasis is the worst prognostic factor for PCa patients. It has been reported that miR-449a enhances radiosensitivity of prostate cancer cells, but the function of miR449a in metastasis of prostate cancer is mainly unknown. In the present study, we strove to investigate the function and diagnostic value of miR-449a in metastasis of prostate cancer. qRT-PCR was used to quantify the expression of miR449a and PrLZ in PCa cell lines and tissues. we found that miR449a expression was decreased in PCa cell lines...
June 12, 2017: International Journal of Oncology
https://www.readbyqxmd.com/read/28625975/a-naturally-generated-decoy-of-the-prostate-apoptosis-response-4-protein-overcomes-therapy-resistance-in-tumors
#12
Nikhil Hebbar, Ravshan Burikhanov, Nidhi Shukla, Shirley Qiu, Yanming Zhao, Kojo S J Elenitoba-Johnson, Vivek M Rangnekar
Primary tumors are often heterogeneous, composed of therapy-sensitive and emerging therapy-resistant cancer cells. Interestingly, treatment of therapy-sensitive tumors in heterogeneous tumor microenvironments results in apoptosis of therapy-resistant tumors. In this study, we identify a Par-4 amino-terminal fragment (PAF) that is released by diverse therapy-sensitive cancer cells following therapy-induced caspase cleavage of the tumor suppressor Par-4 protein. PAF caused apoptosis in cancer cells resistant to therapy and inhibited tumor growth...
June 16, 2017: Cancer Research
https://www.readbyqxmd.com/read/28624784/mitochondrial-pyruvate-carrier-function-determines-cell-stemness-and-metabolic-reprogramming-in-cancer-cells
#13
Xiaoli Li, Gaoyang Han, Xiaoran Li, Quancheng Kan, Zhirui Fan, Yaqing Li, Yasai Ji, Jing Zhao, Mingzhi Zhang, Mantas Grigalavicius, Viktor Berge, Mariusz Adam Goscinski, Jahn M Nesland, Zhenhe Suo
One of the remarkable features of cancer cells is aerobic glycolysis, a phenomenon known as the "Warburg Effect", in which cells rely preferentially on glycolysis instead of oxidative phosphorylation (OXPHOS) as the main energy source even in the presence of high oxygen tension. Cells with dysfunctional mitochondria are unable to generate sufficient ATP from mitochondrial OXPHOS, and then are forced to rely on glycolysis for ATP generation. Here we report our results in a prostate cancer cell line in which the mitochondrial pyruvate carrier 1 (MPC1) gene was knockout...
May 25, 2017: Oncotarget
https://www.readbyqxmd.com/read/28624626/alternative-polyadenylation-patterns-for-novel-gene-discovery-and-classification-in-cancer
#14
Oguzhan Begik, Merve Oyken, Tuna Cinkilli Alican, Tolga Can, Ayse Elif Erson-Bensan
Certain aspects of diagnosis, prognosis, and treatment of cancer patients are still important challenges to be addressed. Therefore, we propose a pipeline to uncover patterns of alternative polyadenylation (APA), a hidden complexity in cancer transcriptomes, to further accelerate efforts to discover novel cancer genes and pathways. Here, we analyzed expression data for 1045 cancer patients and found a significant shift in usage of poly(A) signals in common tumor types (breast, colon, lung, prostate, gastric, and ovarian) compared to normal tissues...
June 15, 2017: Neoplasia: An International Journal for Oncology Research
https://www.readbyqxmd.com/read/28624527/significantly-altered-expression-of-mir-511-3p-and-its-target-akt3-has-negative-prognostic-value-in-human-prostate-cancer
#15
Fan Zhang, Zhongjun Wu
PURPOSE: In this study, we assessed the expression and functions of microRNA-511-3p (miR-511-3p) in human prostate cancer (CaP). METHODS: Gene expressions of miR-511-3p in CaP cells and human CaP tumors were assessed by qPCR. In VCaP and PC3 cells, miR-511-3p was overexpressed by lentivirus. The functions of miR-511-3p upregulation in regulating in vitro cancer proliferation, migration and in vivo cancer growth were assessed by MTT, transwell and transplantation assays, respectively...
June 14, 2017: Biochimie
https://www.readbyqxmd.com/read/28622965/tumour-derived-human-growth-hormone-as-a-therapeutic-target-in-oncology
#16
REVIEW
Jo K Perry, Zheng-Sheng Wu, Hichem C Mertani, Tao Zhu, Peter E Lobie
The growth hormone (GH) and insulin-like growth factor-1 (IGF1) axis is the key regulator of longitudinal growth, promoting postnatal bone and muscle growth. The available data suggest that GH expression by tumour cells is associated with the aetiology and progression of various cancers such as endometrial, breast, liver, prostate, and colon cancer. Accordingly there has been increased interest in targeting GH-mediated signal transduction in a therapeutic setting. Because GH has endocrine, autocrine, and paracrine actions, therapeutic strategies will need to take into account systemic and local functions...
June 13, 2017: Trends in Endocrinology and Metabolism: TEM
https://www.readbyqxmd.com/read/28620700/gender-varying-associations-between-physical-activity-intensity-and-mental-quality-of-life-in-older-cancer-survivors
#17
David E Conroy, Kathleen Y Wolin, Cindy K Blair, Wendy Demark-Wahnefried
PURPOSE: Physical activity can enhance quality of life in cancer survivors, but this conclusion is based largely on research linking moderate-to-vigorous physical activity with quality of life. Light-intensity physical activity may be more feasible than more strenuous exercise for many older cancer survivors. This study reports a secondary analysis of baseline data from a lifestyle behavior intervention trial and examines the hypothesis that older cancer survivors who engage in more light-intensity physical activity, independent of moderate-to-vigorous activity, will report better mental quality of life...
June 15, 2017: Supportive Care in Cancer: Official Journal of the Multinational Association of Supportive Care in Cancer
https://www.readbyqxmd.com/read/28615299/ormeloxifene-suppresses-prostate-tumor-growth-and-metastatic-phenotypes-via-inhibition-of-oncogenic-%C3%AE-catenin-signaling-and-emt-progression
#18
Bilal Bin Hafeez, Aditya Ganju, Mohammed Sikander, Vivek K Kashyap, Zubair Bin Hafeez, Neeraj Chauhan, Shabnam Malik, Andrew E Massey, Manish K Tripathi, Fathi T Halaweish, Nadeem Zafar, Man M Singh, Murali M Yallapu, Meena Jaggi, Subhash C Chauhan
Ormeloxifene (ORM), is a clinically approved selective estrogen receptor modulator, which has also shown excellent anti-cancer activity, thus it can be an ideal repurposing pharmacophore. Herein, we report therapeutic effects of ORM on prostate cancer (PrCa) and elucidate a novel molecular mechanism of its anti-cancer activity. ORM treatment inhibited epithelial to mesenchymal transition (EMT) process as evident by repression of N-cadherin, Slug, Snail, and vimentin, MMPs (MMP2 and MMP3), β-catenin/TCF-4 transcriptional activity, and induced the expression of pGSK3β...
June 14, 2017: Molecular Cancer Therapeutics
https://www.readbyqxmd.com/read/28614298/erf-mutations-reveal-a-balance-of-ets-factors-controlling-prostate-oncogenesis
#19
Rohit Bose, Wouter R Karthaus, Joshua Armenia, Wassim Abida, Phillip J Iaquinta, Zeda Zhang, John Wongvipat, Elizabeth V Wasmuth, Neel Shah, Patrick S Sullivan, Michael G Doran, Ping Wang, Anna Patruno, Yilin Zhao, Deyou Zheng, Nikolaus Schultz, Charles L Sawyers
Half of all prostate cancers are caused by the TMPRSS2-ERG gene-fusion, which enables androgens to drive expression of the normally silent E26 transformation-specific (ETS) transcription factor ERG in prostate cells. Recent genomic landscape studies of such cancers have reported recurrent point mutations and focal deletions of another ETS member, the ETS2 repressor factor ERF. Here we show these ERF mutations cause decreased protein stability and mostly occur in tumours without ERG upregulation. ERF loss recapitulates the morphological and phenotypic features of ERG gain in normal mouse prostate cells, including expansion of the androgen receptor transcriptional repertoire, and ERF has tumour suppressor activity in the same genetic background of Pten loss that yields oncogenic activity by ERG...
June 14, 2017: Nature
https://www.readbyqxmd.com/read/28614057/dual-effects-of-constitutively-active-androgen-receptor-and-full-length-androgen-receptor-for-n-cadherin-regulation-in-prostate-cancer
#20
Félicie Cottard, Pauline Ould Madi-Berthélémy, Eva Erdmann, Frédérique Schaff-Wendling, Céline Keime, Tao Ye, Jean-Emmanuel Kurtz, Jocelyn Céraline
Constitutively active androgen receptor (AR) variants have been involved in the expression of mesenchymal markers such as N-cadherin in prostate cancer (PCa). However, the underlying molecular mechanisms remain elusive. It remains unclear, whether N-cadherin gene (CDH2) is a direct transcriptional target of AR variants or whether the observed upregulation is due to indirect effects through additional regulatory factors. Moreover, the specific contribution of full-length AR and AR variants in N-cadherin regulation in PCa has never been explored deeply...
May 29, 2017: Oncotarget
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