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Matti Narkia

Inverse association between serum 25(OH) vitamin D levels and non-melanoma skin cancer ... - 0 views

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    Inverse association between serum 25(OH) vitamin D levels and non-melanoma skin cancer in elderly men.
    Tang JY, Parimi N, Wu A, John Boscardin W, Shikany JM, Chren MM, Cummings SR, Epstein EH Jr, Bauer DC; for the Osteoporotic Fractures in Men (MrOS) Study Group.
    Cancer Causes Control. 2009 Nov 18. [Epub ahead of print]
    PMID: 19921445

    Our results suggest that a diagnosis of NMSC is not a surrogate for adequate 25(OH)D levels or increased UV exposure, and high 25(OH)D levels may be associated with a reduced risk of NMSC.
Matti Narkia

Meta-analysis of vitamin D, calcium and the prevention of breast cancer. - [Breast Canc... - 0 views

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    Meta-analysis of vitamin D, calcium and the prevention of breast cancer.
    Chen P, Hu P, Xie D, Qin Y, Wang F, Wang H.
    Breast Cancer Res Treat. 2009 Oct 23. [Epub ahead of print]
    PMID: 19851861

    These results provide strong evidence that vitamin D and calcium have a chemopreventive effect against breast cancer.
Matti Narkia

Women With Breast Cancer Have Low Vitamin D Levels - 0 views

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    "ScienceDaily (Oct. 8, 2009) - Women with breast cancer should be given high doses of vitamin D because a majority of them are likely to have low levels of vitamin D, which could contribute to decreased bone mass and greater risk of fractures, according to scientists at the University of Rochester Medical Center."

    Scientists funded by the NCI analyzed vitamin D levels in each woman, and the average level was 27 nanograms per milliliter; more than two-thirds of the women had vitamin deficiency. Weekly supplementation with high doses of vitamin D -- 50,000 international units or more -- improved the levels, according to Peppone's study.

    The U.S. Institute of Medicine suggests that blood levels nearing 32 nanograms per milliliter are adequate.
Matti Narkia

Relationship between low ultraviolet B irradiance and higher breast cancer risk in 107 ... - 0 views

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    Relationship between low ultraviolet B irradiance and higher breast cancer risk in 107 countries.
    Mohr SB, Garland CF, Gorham ED, Grant WB, Garland FC.
    Breast J. 2008 May-Jun;14(3):255-60. Epub 2008 Apr 17.
    PMID: 18422861
    DOI: 10.1111/j.1524-4741.2008.00571.x

    There was a protective effect of UVB irradiance on risk of breast cancer that was independent of fertility rate, proportion of the population overweight, alcohol intake, animal energy intake, and other covariates.
Matti Narkia

Vitamin D for Cancer Prevention: Global Perspective - 1 views

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    Vitamin D for cancer prevention: global perspective.
    Garland CF, Gorham ED, Mohr SB, Garland FC.
    Ann Epidemiol. 2009 Jul;19(7):468-83. Review.
    PMID: 19523595

    RESULTS/CONCLUSIONS: It is projected that raising the minimum year-around serum 25(OH)D level to 40 to 60 ng/mL (100-150 nmol/L) would prevent approximately 58,000 new cases of breast cancer and 49,000 new cases of colorectal cancer each year, and three fourths of deaths from these diseases in the United States and Canada, based on observational studies combined with a randomized trial. Such intakes also are expected to reduce case-fatality rates of patients who have breast, colorectal, or prostate cancer by half. There are no unreasonable risks from intake of 2000 IU per day of vitamin D(3), or from a population serum 25(OH)D level of 40 to 60 ng/mL. The time has arrived for nationally coordinated action to substantially increase intake of vitamin D and calcium.
Matti Narkia

Vitamin D and prevention of breast cancer: pooled analysis. - ScienceDirect - The Journ... - 0 views

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    Vitamin D and prevention of breast cancer: pooled analysis.
    Garland CF, Gorham ED, Mohr SB, Grant WB, Giovannucci EL, Lipkin M, Newmark H, Holick MF, Garland FC.
    J Steroid Biochem Mol Biol. 2007 Mar;103(3-5):708-11.
    PMID: 17368188

    CONCLUSIONS: Intake of 2000 IU/day of Vitamin D(3), and, when possible, very moderate exposure to sunlight, could raise serum 25(OH)D to 52 ng/ml, a level associated with reduction by 50% in incidence of breast cancer, according to observational studies.
Matti Narkia

Christiane Northrup, MD: Protect Your Breasts With Vitamin D - 0 views

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    "A study conducted by Cedric Garland and other prominent vitamin D researchers determined that women with vitamin D levels above 52 ng/ml have half the risk of developing breast cancer as those with 13 ng/ml! Garland (et al) estimates that 58,000 new cases of breast cancer in the U.S. could be prevented per year by raising vitamin D levels to 52 ng/ml. Imagine what the global impact could be! "
Matti Narkia

How to Optimize Vitamin D Supplementation to Prevent Cancer, Based on Cellular Adaptati... - 0 views

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    How to optimize vitamin D supplementation to prevent cancer, based on cellular adaptation and hydroxylase enzymology.
    Vieth R.
    Anticancer Res. 2009 Sep;29(9):3675-84. Review.
    PMID: 19667164
Matti Narkia

Review Article: Vitamin D Acquisition and Breast Cancer Risk -- Pérez-López e... - 0 views

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    Review article: vitamin D acquisition and breast cancer risk.
    Pérez-López FR, Chedraui P, Haya J.
    Reprod Sci. 2009 Jan;16(1):7-19. Review.
    PMID: 19144887
    DOI: 10.1177/1933719108327595

    Conclusions: Although there are controversial results, it seems plausible that sufficient endogenous vitamin D levels may have a protective function on mammary cells, reducing breast cancer risk.
Matti Narkia

Association between Plasma 25-Hydroxyvitamin D and Breast Cancer Risk -- Crew et al. 2 ... - 0 views

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    Association between plasma 25-hydroxyvitamin D and breast cancer risk.
    Crew KD, Gammon MD, Steck SE, Hershman DL, Cremers S, Dworakowski E, Shane E, Terry MB, Desai M, Teitelbaum SL, Neugut AI, Santella RM.
    Cancer Prev Res (Phila Pa). 2009 Jun;2(6):598-604. Epub 2009 May 26.
    PMID: 19470790

    In summary, these results add to a growing body of evidence that adequate vitamin D stores may prevent breast cancer development. Whereas circulating 25-OHD levels of >32 ng/mL are associated with normal bone mineral metabolism, our data suggest that the optimal level for breast cancer prevention is ≥40 ng/mL. Well-designed clinical trials are urgently needed to determine whether vitamin D supplementation is effective for breast cancer chemoprevention.
Matti Narkia

Calcium, Vitamin D and Cancer - Anticancer Research - 0 views

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    Calcium, vitamin D and cancer.
    Peterlik M, Grant WB, Cross HS.
    Anticancer Res. 2009 Sep;29(9):3687-98. Review.
    PMID: 19667166
Matti Narkia

Serum 25-hydroxyvitamin D and colon cancer: eight-year prospective study. - [Lancet. 19... - 0 views

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    Serum 25-hydroxyvitamin D and colon cancer: eight-year prospective study.
    Garland CF, Comstock GW, Garland FC, Helsing KJ, Shaw EK, Gorham ED.
    Lancet. 1989 Nov 18;2(8673):1176-8.
    PMID: 2572900

    Blood samples taken in 1974 in Washington County, Maryland, from 25 620 volunteers were used to investigate the relation of serum 25-hydroxyvitamin D (25-OHD) with subsequent risk of getting colon cancer. 34 cases of colon cancer diagnosed between August, 1975, and January, 1983, were matched to 67 controls by age, race, sex, and month blood was taken. Risk of colon cancer was reduced by 75% in the third quintile (27-32 ng/ml) and by 80% in the fourth quintile (33-41 ng/ml) of serum 25-OHD. Risk of getting colon cancer decreased three-fold in people with a serum 25-OHD concentration of 20 ng/ml or more. The results are consistent with a protective effect of serum 25-OHD on colon cancer.
Matti Narkia

Prospective Study of Predictors of Vitamin D Status and Cancer Incidence and Mortality ... - 0 views

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    Prospective study of predictors of vitamin D status and cancer incidence and mortality in men.
    Giovannucci E, Liu Y, Rimm EB, Hollis BW, Fuchs CS, Stampfer MJ, Willett WC.
    J Natl Cancer Inst. 2006 Apr 5;98(7):451-9.
    PMID: 16595781
    doi:10.1093/jnci/djj101

    Conclusions: Low levels of vitamin D may be associated with increased cancer incidence and mortality in men, particularly for digestive-system cancers. The vitamin D supplementation necessary to achieve a 25(OH)D increment of 25 nmol/L may be at least 1500 IU/day.
Matti Narkia

Vitamin D Status and the Risk of Lung Cancer: A Cohort Study in Finland - Cancer Epidem... - 0 views

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    Vitamin D status and the risk of lung cancer: a cohort study in Finland.
    Kilkkinen A, Knekt P, Heliövaara M, Rissanen H, Marniemi J, Hakulinen T, Aromaa A.
    Cancer Epidemiol Biomarkers Prev. 2008 Nov;17(11):3274-8.
    PMID: 18990771v

    In conclusion, although there was no overall association between vitamin D and lung cancer risk, women and young participants with a higher level of vitamin D were observed to have a lower lung cancer risk. Although experimental data support the suppressing effect of vitamin D on the development of lung cancer, large epidemiologic studies from different populations with repeated measurements of vitamin D are warranted to confirm this finding. (Cancer Epidemiol Biomarkers Prev 2008;17(11):3274-8)
Matti Narkia

New Research by D*action Member Dr. Cedric Garland Suggests Role Low Levels of Vitamin ... - 0 views

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    San Diego, CA (PRWEB) May 25, 2009 -- Coming on the heels of the publishing in the Annals of Epidemiology of a new study led by Dr. Cedric Garland, on the preventive measures of vitamin D, GrassrootsHealth D*action Project is calling on physicians, health clinics and groups throughout the country to recognize the need for determining vitamin D levels and to ensure the public have their blood levels of vitamin D tested.

    According to research from the newly published study by Cedric F. Garland, Dr. P.H., FACE, Department of Family and Preventive Medicine and Moores Cancer Center of the University of California, San Diego (UCSD), "It is projected that raising the minimum year-around serum 25(OH)D level to 40-60 ng/ml (100-150 nmol/L) would prevent approximately 58,000 new cases of breast cancer and 49,000 new cases of colorectal cancer each year, and three quarters of deaths from these diseases, in the US and Canada."
Matti Narkia

Vitamin D Levels Linked to Breast-Cancer Prognosis - GrassrootsHealth | Vitamin D Action - 0 views

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    Women who are vitamin D deficient when they are diagnosed with breast cancer are more likely to have their disease spread and are more likely to die than women who have adequate vitamin D levels, new Canadian research says.

    The study found that women who were vitamin D deficient were 94 per cent more likely to have their cancer metastasize (spread) and 73 per cent more likely to die.

    The research was led by Dr. Pamela Goodwin, a breast cancer researcher at Mount Sinai Hospital in Toronto. The study analyzed blood samples and disease outcome from more than 500 women diagnosed with breast cancer between 1989 and 1995. Women were followed up for an average of 11 years.
Matti Narkia

Meta-analysis: longitudinal studies of serum vitamin D and colorectal cancer risk. - Wi... - 0 views

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    Meta-analysis: longitudinal studies of serum vitamin D and colorectal cancer risk.
    Yin L, Grandi N, Raum E, Haug U, Arndt V, Brenner H.
    Aliment Pharmacol Ther. 2009 Jul 1;30(2):113-25. Epub 2009 Apr 15.
    PMID: 19392870
    DOI: 10.1111/j.1365-2036.2009.04022.x

    Conclusions Our results support suggestions that serum 25(OH)D is inversely related to CRC risk.
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

Prospective study of predictors of vitamin D status and survival in patients with color... - 0 views

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    Prospective study of predictors of vitamin D status and survival in patients with colorectal cancer
    K Ng, B M Wolpin, J A Meyerhardt, K Wu, A T Chan, B W Hollis, E L Giovannucci, M J Stampfer, W C Willett and C S Fuchs
    Br J Cancer 101: 916-923; advance online publication, August 18, 2009; doi:10.1038/sj.bjc.6605262
Matti Narkia

Prognostic Effects of 25-Hydroxyvitamin D Levels in Early Breast Cancer -- Goodwin et a... - 0 views

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    Prognostic effects of 25-hydroxyvitamin D levels in early breast cancer.
    Goodwin PJ, Ennis M, Pritchard KI, Koo J, Hood N.
    J Clin Oncol. 2009 Aug 10;27(23):3757-63. Epub 2009 May 18.
    PMID: 19451439
    DOI: 10.1200/JCO.2008.20.0725

    Conclusion Vitamin D deficiency may be associated with poor outcomes in breast cancer.
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