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Melatonin prostatic cancer

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https://www.readbyqxmd.com/read/28699174/inherited-variation-in-circadian-rhythm-genes-and-risks-of-prostate-cancer-and-three-other-cancer-sites-in-combined-cancer-consortia
#1
Fangyi Gu, Han Zhang, Paula L Hyland, Sonja Berndt, Susan M Gapstur, William Wheeler, Christopher I Amos, Stephane Bezieau, Heike Bickeböller, Hermann Brenner, Paul Brennan, Jenny Chang-Claude, David V Conti, Jennifer Ann Doherty, Stephen B Gruber, Tabitha A Harrison, Richard B Hayes, Michael Hoffmeister, Richard S Houlston, Rayjean J Hung, Mark A Jenkins, Peter Kraft, Kate Lawrenson, James McKay, Sarah Markt, Lorelei Mucci, Catherine M Phelan, Conghui Qu, Angela Risch, Mary Anne Rossing, H-Erich Wichmann, Jianxin Shi, Eva Schernhammer, Kai Yu, Maria Teresa Landi, Neil E Caporaso
Circadian disruption has been linked to carcinogenesis in animal models, but the evidence in humans is inconclusive. Genetic variation in circadian rhythm genes provides a tool to investigate such associations. We examined associations of genetic variation in nine core circadian rhythm genes and six melatonin pathway genes with risk of colorectal, lung, ovarian and prostate cancers using data from the Genetic Associations and Mechanisms in Oncology (GAME-ON) network. The major results for prostate cancer were replicated in the Prostate, Lung, Colorectal and Ovarian (PLCO) cancer screening trial, and for colorectal cancer in the Genetics and Epidemiology of Colorectal Cancer Consortium (GECCO)...
July 12, 2017: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/28644090/transdermal-administration-of-melatonin-coupled-to-cryopass-laser-treatment-as-noninvasive-therapy-for-prostate-cancer
#2
Laura Terraneo, Paola Bianciardi, Eleonora Virgili, Elena Finati, Michele Samaja, Rita Paroni
Melatonin, a pineal gland hormone, exerts oncostatic activity in several types of human cancer, including prostate, the most common neoplasia and the third most frequent cause of male cancer death in the developed world. The growth of androgen-sensitive LNCaP prostate cancer cells in mice is inhibited by 3 mg/kg/week melatonin (0.09 mg/mouse/week) delivered by i.p. injections, which is equivalent to a dose of 210 mg/week in humans. The aim of this study is to test an alternative noninvasive delivery route based on transdermal administration of melatonin onto the tumor area followed by cryopass-laser treatment...
November 2017: Drug Delivery
https://www.readbyqxmd.com/read/28561752/melatonin-inhibits-androgen-receptor-splice-variant-7-ar-v7-induced-nuclear-factor-kappa-b-nf-%C3%AE%C2%BAb-activation-and-nf-%C3%AE%C2%BAb-activator-induced-ar-v7-expression-in-prostate-cancer-cells-potential-implications-for-the-use-of-melatonin-in-castration-resistant-prostate
#3
Vincent Wing Sun Liu, Wing Lung Yau, Chun Wai Tam, Kwok-Ming Yao, Stephen Yuen Wing Shiu
A major current challenge in the treatment of advanced prostate cancer, which can be initially controlled by medical or surgical castration, is the development of effective, safe, and affordable therapies against progression of the disease to the stage of castration resistance. Here, we showed that in LNCaP and 22Rv1 prostate cancer cells transiently overexpressing androgen receptor splice variant-7 (AR-V7), nuclear factor-kappa B (NF-κB) was activated and could result in up-regulated interleukin (IL)-6 gene expression, indicating a positive interaction between AR-V7 expression and activated NF-κB/IL-6 signaling in castration-resistant prostate cancer (CRPC) pathogenesis...
May 31, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28415828/melatonin-for-the-prevention-and-treatment-of-cancer
#4
REVIEW
Ya Li, Sha Li, Yue Zhou, Xiao Meng, Jiao-Jiao Zhang, Dong-Ping Xu, Hua-Bin Li
The epidemiological studies have indicated a possible oncostatic property of melatonin on different types of tumors. Besides, experimental studies have documented that melatonin could exert growth inhibition on some human tumor cells in vitro and in animal models. The underlying mechanisms include antioxidant activity, modulation of melatonin receptors MT1 and MT2, stimulation of apoptosis, regulation of pro-survival signaling and tumor metabolism, inhibition on angiogenesis, metastasis, and induction of epigenetic alteration...
June 13, 2017: Oncotarget
https://www.readbyqxmd.com/read/28391184/thioredoxin-1-modulates-apoptosis-induced-by-bioactive-compounds-in-prostate-cancer-cells
#5
Aida Rodriguez-Garcia, David Hevia, Juan C Mayo, Pedro Gonzalez-Menendez, Lucia Coppo, Jun Lu, Arne Holmgren, Rosa M Sainz
Accumulating evidence suggests that natural bioactive compounds, alone or in combination with traditional chemotherapeutic agents, could be used as potential therapies to fight cancer. In this study, we employed four natural bioactive compounds (curcumin, resveratrol, melatonin, and silibinin) and studied their role in redox control and ability to promote apoptosis in androgen sensitive and insensitive prostate cancer cells. Here is shown that curcumin and resveratrol promote ROS production and induce apoptosis in LNCaP and PC-3...
August 2017: Redox Biology
https://www.readbyqxmd.com/read/28272467/meta-analysis-identifies-novel-risk-loci-and-yields-systematic-insights-into-the-biology-of-male-pattern-baldness
#6
Stefanie Heilmann-Heimbach, Christine Herold, Lara M Hochfeld, Axel M Hillmer, Dale R Nyholt, Julian Hecker, Asif Javed, Elaine G Y Chew, Sonali Pechlivanis, Dmitriy Drichel, Xiu Ting Heng, Ricardo C-H Del Rosario, Heide L Fier, Ralf Paus, Rico Rueedi, Tessel E Galesloot, Susanne Moebus, Thomas Anhalt, Shyam Prabhakar, Rui Li, Stavroula Kanoni, George Papanikolaou, Zoltán Kutalik, Panos Deloukas, Michael P Philpott, Gérard Waeber, Tim D Spector, Peter Vollenweider, Lambertus A L M Kiemeney, George Dedoussis, J Brent Richards, Michael Nothnagel, Nicholas G Martin, Tim Becker, David A Hinds, Markus M Nöthen
Male-pattern baldness (MPB) is a common and highly heritable trait characterized by androgen-dependent, progressive hair loss from the scalp. Here, we carry out the largest GWAS meta-analysis of MPB to date, comprising 10,846 early-onset cases and 11,672 controls from eight independent cohorts. We identify 63 MPB-associated loci (P<5 × 10(-8), METAL) of which 23 have not been reported previously. The 63 loci explain ∼39% of the phenotypic variance in MPB and highlight several plausible candidate genes (FGF5, IRF4, DKK2) and pathways (melatonin signalling, adipogenesis) that are likely to be implicated in the key-pathophysiological features of MPB and may represent promising targets for the development of novel therapeutic options...
March 8, 2017: Nature Communications
https://www.readbyqxmd.com/read/27996309/the-association-between-artificial-light-at-night-and-prostate-cancer-in-gwangju-city-and-south-jeolla-province-of-south-korea
#7
Ka Young Kim, Eunil Lee, Yun Jeong Kim, Jinsun Kim
ABSRACT Exposure to artificial light at night (ALAN) has been reported to be associated with various pathological changes including sleep deprivation, circadian rhythm disruption, and melatonin suppression with increase in various cancers such as breast or prostate cancers. In this study, we sought to elucidate the association between ALAN and prostate cancer in 27 districts within Gwangju City and urban and rural areas from South Jeolla Province in South Korea. We analyzed the correlation between ALAN and the incidence of a range of cancers by Poisson regression analysis, after adjustment for confounding risk factors, such as smoking, drinking, obesity, stress, air pollution (particulate matter <10 μm in diameter), urbanization (proportion of urbanized area), and the cancer screening rate...
2017: Chronobiology International
https://www.readbyqxmd.com/read/27876126/regular-sun-exposure-benefits-health
#8
H J van der Rhee, E de Vries, J W Coebergh
Since it was discovered that UV radiation was the main environmental cause of skin cancer, primary prevention programs have been started. These programs advise to avoid exposure to sunlight. However, the question arises whether sun-shunning behaviour might have an effect on general health. During the last decades new favourable associations between sunlight and disease have been discovered. There is growing observational and experimental evidence that regular exposure to sunlight contributes to the prevention of colon-, breast-, prostate cancer, non-Hodgkin lymphoma, multiple sclerosis, hypertension and diabetes...
December 2016: Medical Hypotheses
https://www.readbyqxmd.com/read/27736013/igfbp3-and-mapk-erk-signaling-mediates-melatonin-induced-antitumor-activity-in-prostate-cancer
#9
Juan C Mayo, David Hevia, Isabel Quiros-Gonzalez, Aida Rodriguez-Garcia, Pedro Gonzalez-Menendez, Vanesa Cepas, Iván Gonzalez-Pola, Rosa M Sainz
Treatment of prostate cancer (PCa), a leading cause of cancer among males, lacks successful strategies especially in advanced, hormone-refractory stages. Some clinical studies have shown an increase in neuroendocrine-like cells parallel to the tumor progression but their exact role is a matter of debate. The prostate is a well-known target for melatonin, which reduces PCa cells proliferation and induces neuroendocrine differentiation. To evaluate the mechanisms underlying the indole effects on neuroendocrine differentiation and its impact on PCa progression, we used a cell culture model (LNCaP) and a murine model (TRAMP)...
January 2017: Journal of Pineal Research
https://www.readbyqxmd.com/read/27660402/women-in-cancer-thematic-review-circadian-rhythmicity-and-the-influence-of-clock-genes-on-prostate-cancer
#10
REVIEW
Zsofia Kiss, Paramita M Ghosh
The androgen receptor (AR) plays a key role in the development and progression of prostate cancer (CaP). Since the mid-1990s, reports in the literature pointed out higher incidences of CaP in some select groups, such as airline pilots and night shift workers in comparison with those working regular hours. The common finding in these 'high-risk' groups was that they all experienced a deregulation of the body's internal circadian rhythm. Here, we discuss how the circadian rhythm affects androgen levels and modulates CaP development and progression...
November 2016: Endocrine-related Cancer
https://www.readbyqxmd.com/read/27387675/urinary-melatonin-sulfate-cortisol-ratio-and-the-presence-of-prostate-cancer-a-case-control-study
#11
Shu-Yu Tai, Shu-Pin Huang, Bo-Ying Bao, Ming-Tsang Wu
The circadian-related hormones, melatonin and cortisol, have oncostatic and immunosuppressive properties. This study examined the relationship between these two biomarkers and the presence of prostate cancer. We measured their major metabolites in urine collected from 120 newly diagnosed prostate cancer patients and 240 age-matched controls from January 2011 to April 2014. Compared with patients with lower urinary melatonin-sulfate or melatonin-sulfate/cortisol (MT/C) ratio levels, those with above-median levels were significantly less likely to have prostate cancer (adjusted OR (aOR) = 0...
2016: Scientific Reports
https://www.readbyqxmd.com/read/26678364/daytime-blue-light-enhances-the-nighttime-circadian-melatonin-inhibition-of-human-prostate-cancer-growth
#12
Robert T Dauchy, Aaron E Hoffman, Melissa A Wren-Dail, John P Hanifin, Benjamin Warfield, George C Brainard, Shulin Xiang, Lin Yuan, Steven M Hill, Victoria P Belancio, Erin M Dauchy, Kara Smith, David E Blask
Light controls pineal melatonin production and temporally coordinates circadian rhythms of metabolism and physiology in normal and neoplastic tissues. We previously showed that peak circulating nocturnal melatonin levels were 7-fold higher after daytime spectral transmittance of white light through blue-tinted (compared with clear) rodent cages. Here, we tested the hypothesis that daytime blue-light amplification of nocturnal melatonin enhances the inhibition of metabolism, signaling activity, and growth of prostate cancer xenografts...
December 2015: Comparative Medicine
https://www.readbyqxmd.com/read/26374931/nocturnal-light-pollution-and-underexposure-to-daytime-sunlight-complementary-mechanisms-of-circadian-disruption-and-related-diseases
#13
EDITORIAL
Michael H Smolensky, Linda L Sackett-Lundeen, Francesco Portaluppi
Routine exposure to artificial light at night (ALAN) in work, home, and community settings is linked with increased risk of breast and prostate cancer (BC, PC) in normally sighted women and men, the hypothesized biological rhythm mechanisms being frequent nocturnal melatonin synthesis suppression, circadian time structure (CTS) desynchronization, and sleep/wake cycle disruption with sleep deprivation. ALAN-induced perturbation of the CTS melatonin synchronizer signal is communicated maternally at the very onset of life and after birth via breast or artificial formula feedings...
2015: Chronobiology International
https://www.readbyqxmd.com/read/26305219/residential-exposure-to-road-and-railway-noise-and-risk-of-prostate-cancer-a-prospective-cohort-study
#14
Nina Roswall, Kirsten T Eriksen, Dorrit Hjortebjerg, Steen S Jensen, Kim Overvad, Anne Tjønneland, Ole Raaschou-Nielsen, Mette Sørensen
BACKGROUND: Few modifiable risk factors for prostate cancer are known. Recently, disruption of the circadian system has been proposed to affect risk, as it entails an inhibited melatonin production, and melatonin has demonstrated beneficial effects on cancer inhibition. This suggests a potential role of traffic noise in prostate cancer. METHODS: Road traffic and railway noise was calculated for all present and historical addresses from 1987-2010 for a cohort of 24,473 middle-aged, Danish men...
2015: PloS One
https://www.readbyqxmd.com/read/26295055/influence-of-melatonin-on-the-proliferative-and-apoptotic-responses-of-the-prostate-under-normal-and-hyperglycemic-conditions
#15
Marina G Gobbo, Nishtman Dizeyi, Per-Anders Abrahamsson, Per-Anders Bertilsson, Viviane Sanches Masitéli, Eloisa Zanin Pytlowanciv, Sebastião R Taboga, Rejane M Góes
The antitumor properties of melatonin (MLT) are known for prostate cancer cells. This study investigated whether MLT affects prostate maturation and interferes with tissue injuries induced by diabetes. MLT was administered to Wistar rats from 5 weeks of age in the drinking water (10 μg/kg b.w.), and diabetes was induced at the 13th week by streptozotocin (4.5 mg/100g b.w., i.p.). The animals were euthanized in the 14th and 21st weeks. MLT reduced the immunostained cells for androgen receptor (AR) by 10% in younger rats...
2015: Journal of Diabetes Research
https://www.readbyqxmd.com/read/25780233/electric-light-particularly-at-night-disrupts-human-circadian-rhythmicity-is-that-a-problem
#16
REVIEW
Richard G Stevens, Yong Zhu
Over the past 3 billion years, an endogenous circadian rhythmicity has developed in almost all life forms in which daily oscillations in physiology occur. This allows for anticipation of sunrise and sunset. This physiological rhythmicity is kept at precisely 24 h by the daily cycle of sunlight and dark. However, since the introduction of electric lighting, there has been inadequate light during the day inside buildings for a robust resetting of the human endogenous circadian rhythmicity, and too much light at night for a true dark to be detected; this results in circadian disruption and alters sleep/wake cycle, core body temperature, hormone regulation and release, and patterns of gene expression throughout the body...
May 5, 2015: Philosophical Transactions of the Royal Society of London. Series B, Biological Sciences
https://www.readbyqxmd.com/read/25737330/increased-and-mistimed-sex-hormone-production-in-night-shift-workers
#17
Kyriaki Papantoniou, Oscar J Pozo, Ana Espinosa, Josep Marcos, Gemma Castaño-Vinyals, Xavier Basagaña, Elena Juanola Pagès, Joan Mirabent, Jordi Martín, Patricia Such Faro, Amparo Gascó Aparici, Benita Middleton, Debra J Skene, Manolis Kogevinas
BACKGROUND: Night shift work has been associated with an increased risk for breast and prostate cancer. The effect of circadian disruption on sex steroid production is a possible underlying mechanism, underinvestigated in humans. We have assessed daily rhythms of sex hormones and melatonin in night and day shift workers of both sexes. METHODS: We recruited 75 night and 42 day workers, ages 22 to 64 years, in different working settings. Participants collected urine samples from all voids over 24 hours on a working day...
May 2015: Cancer Epidemiology, Biomarkers & Prevention
https://www.readbyqxmd.com/read/25612238/melatonin-uptake-through-glucose-transporters-a-new-target-for-melatonin-inhibition-of-cancer
#18
David Hevia, Pedro González-Menéndez, Isabel Quiros-González, Ana Miar, Aida Rodríguez-García, Dun-Xian Tan, Russel J Reiter, Juan C Mayo, Rosa M Sainz
Melatonin is present in a multitude of taxa and it has a broad range of biological functions, from synchronizing circadian rhythms to detoxifying free radicals. Some functions of melatonin are mediated by its membrane receptors but others are receptor-independent. For the latter, melatonin must enter into the cell. Melatonin is a derivative of the amino acid tryptophan and reportedly easily crosses biological membranes due to its amphipathic nature. However, the mechanism by which melatonin enters into cells remains unknown...
March 2015: Journal of Pineal Research
https://www.readbyqxmd.com/read/25584113/molecularly-imprinted-electrochemical-sensing-of-urinary-melatonin-in-a-microfluidic-system
#19
Mei-Hwa Lee, Danny O'Hare, Yi-Li Chen, Yu-Chia Chang, Chien-Hsin Yang, Bin-Da Liu, Hung-Yin Lin
Melatonin levels may be related to the risks of breast cancer and prostate cancer. The measurement of urinary melatonin is also useful in monitoring serum melatonin levels following oral administration. In this work, melatonin is the target molecule, which is imprinted onto poly(ethylene-co-vinyl alcohol) by evaporation of the solvent on the working electrode of an electrochemical sensing chip. This sensing chip is used directly as a tool for optimizing the imprinting polymer composition, flow rate, and injection volume of the samples...
September 2014: Biomicrofluidics
https://www.readbyqxmd.com/read/25553085/upregulation-of-mirna3195-and-mirna374b-mediates-the-anti-angiogenic-properties-of-melatonin-in-hypoxic-pc-3-prostate-cancer-cells
#20
Eun Jung Sohn, Gunho Won, Jihyun Lee, Sangyoon Lee, Sung-Hoon Kim
Recently microRNAs (miRNAs) have been attractive targets with their key roles in biological regulation through post-transcription to control mRNA stability and protein translation. Though melatonin was known as an anti-angiogenic agent, the underlying mechanism of melatonin in PC-3 prostate cancer cells under hypoxia still remains unclear. Thus, in the current study, we elucidated the important roles of miRNAs in melatonin-induced anti-angiogenic activity in hypoxic PC-3 cells. miRNA array revealed that 33 miRNAs (>2 folds) including miRNA3195 and miRNA 374b were significantly upregulated and 16 miRNAs were downregulated in melatonin-treated PC-3 cells under hypoxia compared to untreated control...
2015: Journal of Cancer
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