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Matti Narkia

Meta-analysis of longitudinal studies: Serum vitamin D and prostate cancer risk - Scien... - 0 views

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    Meta-analysis of longitudinal studies: Serum vitamin D and prostate cancer risk.
    Yin L, Raum E, Haug U, Arndt V, Brenner H.
    Cancer Epidemiol. 2009 Dec;33(6):435-45. Epub 2009 Nov 25.
    PMID: 19939760
    doi:10.1016/j.canep.2009.10.014

    CONCLUSIONS: According to available evidence from longitudinal studies, serum 25(OH)D is not associated with PC incidence.
Matti Narkia

Coffee May Reduce Risk of Deadly Prostate Cancer (Update1) - Bloomberg.com - 0 views

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    "Dec. 8 (Bloomberg) -- Drinking coffee may lower the risk of developing the deadliest form of prostate cancer, according to a Harvard Medical School study.

    In research involving 50,000 men over 20 years, scientists led by Kathryn Wilson at Harvard's Channing Laboratory found that the 5 percent of men who drank 6 or more cups a day had a 60 percent lower risk of developing the advanced form of the disease than those who didn't consume any. The risk was about 20 percent lower for the men who drank 1 to 3 cups a day, and 25 percent lower for those consuming 4 or 5 cups.

    The study is the first to associate coffee with prostate cancer, contradicting previous research that's found no link. The difference may be because Wilson and colleagues looked for the first time at the link between coffee and different stages of the disease, instead of grouping them all together. More research is needed to confirm the findings, she said. "
Matti Narkia

Plasma Selenium, Manganese Superoxide Dismutase, and Intermediate- or High-Risk Prostat... - 0 views

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    Plasma selenium, manganese superoxide dismutase, and intermediate- or high-risk prostate cancer.
    Chan JM, Oh WK, Xie W, Regan MM, Stampfer MJ, King IB, Abe M, Kantoff PW.
    J Clin Oncol. 2009 Aug 1;27(22):3577-83. Epub 2009 Jun 15.
    PMID: 19528373
    DOI: 10.1200/JCO.2008.18.8938

    Conclusion: These data suggest that the relationship between circulating selenium levels at diagnosis and prognostic risk of prostate cancer is modified by SOD2 genotype and indicate caution against broad use of selenium supplementation for men with prostate cancer.
Matti Narkia

Selenium may worsen prostate cancer in some men - MedWire News - Consumer Health - 0 views

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    "MedWire News: High levels of selenium in the blood may worsen prostate cancer in some men who already have the disease, results of a US study suggest.

    In recent years, selenium supplements have been promoted as a means of preventing prostate cancer, largely based on observational studies that found higher prostate cancer incidence and mortality in geographical areas that are naturally low in selenium, compared with in those that are naturally high in the mineral.

    However, the current research findings suggest that "if you already have prostate cancer, it may be a bad thing to take selenium," said study researcher Dr Philip Kantoff, from the Dana-Farber Cancer Institute in Boston, Massachusetts, USA."
Matti Narkia

Vitamin D Emerges as Treatment for Prostate Cancer - Cuts PSA Levels by Half - 0 views

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    "(NaturalNews) Treatment with vitamin D supplements may slow the progress of , according to a study published in the journal BJU International.

    In the United States, prostate cancer is the second leading cause of cancer death among men, after lung cancer. Approximately 240,000 new cases are diagnosed every year, leading to 30,000 deaths.

    Researchers have suspected for nearly two decades that the so-called "sunshine vitamin" may play a role in the risk and progression of prostate cancer, but no studies have previously been conducted on its usefulness as a treatment."
Matti Narkia

Serum Vitamin D and Risk of Prostate Cancer in a Case-Control Analysis Nested Within th... - 0 views

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    Serum vitamin D and risk of prostate cancer in a case-control analysis nested within the European Prospective Investigation into Cancer and Nutrition (EPIC).
    Travis RC, Crowe FL, Allen NE, Appleby PN, Roddam AW, Tjønneland A, Olsen A, Linseisen J, Kaaks R, Boeing H, Kröger J, Trichopoulou A, Dilis V, Trichopoulos D, Vineis P, Palli D, Tumino R, Sieri S, Bueno-de-Mesquita HB, van Duijnhoven FJ, Chirlaque MD, Barricarte A, Larrañaga N, González CA, Argüelles MV, Sánchez MJ, Stattin P, Hallmans G, Khaw KT, Bingham S, Rinaldi S, Slimani N, Jenab M, Riboli E, Key TJ.
    Am J Epidemiol. 2009 May 15;169(10):1223-32. Epub 2009 Apr 9.
    PMID: 19359375

    In summary, the results of this large nested case-control study provide no evidence in support of a protective effect of circulating concentrations of vitamin D on the risk of prostate cancer.
Matti Narkia

Association between serum 25(OH)D and death from prostate cancer - British Journal of C... - 0 views

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    Association between serum 25(OH)D and death from prostate cancer.
    Tretli S, Hernes E, Berg JP, Hestvik UE, Robsahm TE.
    Br J Cancer. 2009 Feb 10;100(3):450-4. Epub 2009 Jan 20.
    PMID: 19156140
    doi:10.1038/sj.bjc.6604865

    The serum level of 25(OH)D may be involved in disease progression and is a potential marker of prognosis in patients with prostate cancer.
Matti Narkia

Carbohydrate restriction may slow prostate tumor growth - eurekalert.org - 0 views

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    DURHAM, N.C. -- Restricting carbohydrates, regardless of weight loss, appears to slow the growth of prostate tumors, according to an animal study being published this week by researchers in the Duke Prostate Center.

    "Previous work here and elsewhere has shown that a diet light in carbohydrates could slow tumor growth, but the animals in those studies also lost weight, and because we know that weight loss can restrict the amount of energy feeding tumors, we weren't able to tell just how big an impact the pure carbohydrate restriction was having, until now," said Stephen Freedland, M.D., a urologist in the Duke Prostate Center and lead investigator on this study.

    The researchers believe that insulin and insulin-like growth factor contribute to the growth and proliferation of prostate cancer, and that a diet devoid of carbohydrates lowers serum insulin levels in the bodies of the mice, thereby slowing tumor growth, Freedland said.
Matti Narkia

Green tea 'slows prostate cancer' - BBC NEWS | Health - 0 views

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    A chemical found in green tea appears to slow the progression of prostate cancer, a study has suggested.
    Green tea has been linked to a positive effect on a wide range of conditions, including heart disease, cancer and Alzheimer's disease.
Matti Narkia

Serum Vitamin D and Risk of Prostate Cancer in a Case-Control Analysis Nested Within th... - 0 views

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    Serum Vitamin D and Risk of Prostate Cancer in a Case-Control Analysis Nested Within the European Prospective Investigation into Cancer and Nutrition (EPIC).
    Travis RC, Crowe FL, Allen NE, Appleby PN, Roddam AW, Tjønneland A, Olsen A, Linseisen J, Kaaks R, Boeing H, Kröger J, Trichopoulou A, Dilis V, Trichopoulos D, Vineis P, Palli D, Tumino R, Sieri S, Bueno-de-Mesquita HB, van Duijnhoven FJ, Chirlaque MD, Barricarte A, Larrañaga N, González CA, Argüelles MV, Sánchez MJ, Stattin P, Hallmans G, Khaw KT, Bingham S, Rinaldi S, Slimani N, Jenab M, Riboli E, Key TJ.
    Am J Epidemiol. 2009 Apr 9. [Epub ahead of print]
    PMID: 19359375
    doi:10.1093/aje/kwp022
Matti Narkia

Sham vs. Wham: The Health Insider: Omega 3 In the News Again - Lower Advanced Prostate ... - 0 views

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    A new (March 24th) report in Clinical Cancer Research, a journal of the American Association for Cancer Research, shows that Omega-3 fatty acids appear protective against advanced prostate cancer.

    Dr. John S. Witte, Ph.D., professor of epidemiology and biostatistics at the University of California San Francisco, says that previous research has shown protection against prostate cancer, but that this is one of the first studies to show protection against advanced prostate cancer.
Matti Narkia

Dietary Omega-3 Fatty Acids, Cyclooxygenase-2 Genetic Variation, and Aggressive Prostat... - 0 views

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    Dietary Omega-3 Fatty Acids, Cyclooxygenase-2 Genetic Variation, and Aggressive Prostate Cancer Risk.
    Fradet V, Cheng I, Casey G, Witte JS.
    Clin Cancer Res. 2009 Mar 24. [Epub ahead of print]
    PMID: 19318492
    DOI: 10.1158/1078-0432.CCR-08-2503
Matti Narkia

Folic Acid Supplements Linked To Higher Risk Of Prostate Cancer, Study Shows - 0 views

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    ScienceDaily (Mar. 10, 2009) - A study led by researchers at the University of Southern California (USC) found that men who took a daily folic acid supplement of 1 mg daily had more than twice the risk of prostate cancer compared with men who took a placebo.
Matti Narkia

Differential effects of selenium on benign and malignant prostate epithelial cells: sti... - 0 views

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    Differential effects of selenium on benign and malignant prostate epithelial cells: stimulation of LNCaP cell growth by noncytotoxic, low selenite concentrations.
    Kandaş NO, Randolph C, Bosland MC.
    Nutr Cancer. 2009;61(2):251-64.
    PMID: 19235042
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