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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

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

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

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.
Matti Narkia

Ecological Studies Of Ultraviolet B, Vitamin D And Cancer Since 2000 - 0 views

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    Ecological studies of ultraviolet B, vitamin D and cancer since 2000.
    Grant WB, Mohr SB.
    Ann Epidemiol. 2009 Jul;19(7):446-54. Epub 2009 Mar 9.
    PMID: 19269856

    CONCLUSION: These findings provide strong evidence that vitamin D status plays an important role in controlling the outcome of cancer. Support for the UVB-vitamin D-cancer theory is now scientifically strong enough to warrant use of vitamin D in cancer prevention, and as a component of treatment. More research studies would help to explore whether there are benefits beyond the substantial effects that have been observed.
Matti Narkia

High Prevalence of Vitamin D Deficiency Despite Supplementation in Premenopausal Women ... - 0 views

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    High prevalence of vitamin D deficiency despite supplementation in premenopausal women with breast cancer undergoing adjuvant chemotherapy.
    Crew KD, Shane E, Cremers S, McMahon DJ, Irani D, Hershman DL.
    J Clin Oncol. 2009 May 1;27(13):2151-6. Epub 2009 Apr 6.
    PMID: 19349547
    DOI: 10.1200/JCO.2008.19.6162

    Conclusion Vitamin D deficiency is highly prevalent in women with breast cancer. The current recommended dietary allowance of vitamin D is too low to increase serum 25-OHD greater than 30 ng/mL. Optimal dosing for bone health and, possibly, improved survival has yet to be determined.
Matti Narkia

Ecological Studies Of Ultraviolet B, Vitamin D And Cancer Since 2000. - ScienceDirect -... - 0 views

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    Ecological Studies Of Ultraviolet B, Vitamin D And Cancer Since 2000.
    Grant WB, Mohr SB.
    Ann Epidemiol. 2009 Mar 6. [Epub ahead of print]
    PMID: 19269856
    doi:10.1016/j.annepidem.2008.12.014
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