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Matti Narkia

JAMA -- Soy Food Intake and Breast Cancer Survival, December 9, 2009, Shu et al. 302 (2... - 0 views

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    Soy Food Intake and Breast Cancer Survival.
    Xiao Ou Shu et al.
    JAMA Vol. 302 No. 22, December 9, 2009; 302(22):2437-2443.

    Results During the median follow-up of 3.9 years (range, 0.5-6.2 years), 444 deaths and 534 recurrences or breast cancer-related deaths were documented in 5033 surgically treated breast cancer patients. Soy food intake, as measured by either soy protein or soy isoflavone intake, was inversely associated with mortality and recurrence. The hazard ratio associated with the highest quartile of soy protein intake was 0.71 (95% confidence interval [CI], 0.54-0.92) for total mortality and 0.68 (95% CI, 0.54-0.87) for recurrence compared with the lowest quartile of intake. The multivariate-adjusted 4-year mortality rates were 10.3% and 7.4%, and the 4-year recurrence rates were 11.2% and 8.0%, respectively, for women in the lowest and highest quartiles of soy protein intake. The inverse association was evident among women with either estrogen receptor-positive or -negative breast cancer and was present in both users and nonusers of tamoxifen.

    Conclusion Among women with breast cancer, soy food consumption was significantly associated with decreased risk of death and recurrence.
Matti Narkia

Combination of vitamin K2 and angiotensin-converting enzyme inhibitor ameliorates cumul... - 0 views

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    Combination of vitamin K2 and angiotensin-converting enzyme inhibitor ameliorates cumulative recurrence of hepatocellular carcinoma.
    Yoshiji H, Noguchi R, Toyohara M, Ikenaka Y, Kitade M, Kaji K, Yamazaki M, Yamao J, Mitoro A, Sawai M, Yoshida M, Fujimoto M, Tsujimoto T, Kawaratani H, Uemura M, Fukui H.
    J Hepatol. 2009 Aug;51(2):315-21. Epub 2009 May 15.
    PMID: 19501932

    CONCLUSIONS: The combination treatment of VK and ACE-I may suppress the cumulative recurrence of HCC after the curative therapy, at least partly through suppression of the VEGF-mediated neovascularization.
Matti Narkia

Benefits of Vitamin D Supplementation - Journal of American Physicians and Surgeons Vol... - 0 views

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    Benefits of Vitamin D Supplementation
    Joel M. Kauffman, Ph.D.
    Journal of American Physicians and Surgeons
    Volume 14 Number 2 - Summer 2009

    Clinical trials show that vitamin D supplementation at higher
    levels than previously recommended is beneficial for many
    conditions. It decreases the frequency of falls and fractures, helps
    prevent cardiovascular disease, and reduces symptoms of colds or
    influenza. Benefits are also seen in diabetes mellitus, multiple
    sclerosis, Crohn disease, pain, depression, and possibly autism.
    Sunlight does not cause an overdose of vitamin D production,
    and toxicity from supplementation is rare. Dose recommendations
    are increasing, but appear to be lagging the favorable trial results. A
    number of common drugs deplete vitamin D levels, and others may
    limit its biosynthesis from sunlight.
    People with adequate levels from sun exposure will not benefit
    from supplementation. While dietary intake is helpful,
    supplementation is better able to raise serum 25-hydroxyvitamin D ,
    the major circulating metabolite, to the level now thought adequate,
    30-50 ng/mL.
    Where there is inadequate daily sun exposure, oral doses of
    1,000-2,000 IU/d are now considered routine, with much higher
    doses (up to 50,000 IU) for rapid repletion now considered safe.
Matti Narkia

Vitamin D for cancer prevention: global perspective. Garland CF et al. -Ann Epidemiol. ... - 0 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
Matti Narkia

A phase 2 trial exploring the effects of high-dose (10,000 IU/day) vitamin D(3) in brea... - 0 views

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    A phase 2 trial exploring the effects of high-dose (10,000 IU/day) vitamin D(3) in breast cancer patients with bone metastases.
    Amir E, Simmons CE, Freedman OC, Dranitsaris G, Cole DE, Vieth R, Ooi WS, Clemons M.
    Cancer. 2009 Nov 13. [Epub ahead of print]
    PMID: 19918922
    DOI: 10.1002/cncr.24749

    METHODS:
    Patients with bone metastases treated with bisphosphonates were enrolled into this single-arm phase 2 study. Patients received 10,000 IU of vitamin D3 and 1000 mg of calcium supplementation each day for 4 months. The effect of this treatment on palliation, bone resorption markers, calcium metabolism, and toxicity were evaluated at baseline and monthly thereafter.


    CONCLUSIONS:
    Daily doses of 10,000 IU vitamin D3 for 4 months appear safe in patients without comorbid conditions causing hypersensitivity to vitamin D. Treatment reduced inappropriately elevated parathyroid hormone levels, presumably caused by long-term bisphosphonate use. There did not appear to be a significant palliative benefit nor any significant change in bone resorption. Cancer 2010. © 2009 American Cancer Society.
Matti Narkia

JAMA -- Abstract: Cancer Incidence and Mortality After Treatment With Folic Acid and Vi... - 0 views

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    Cancer Incidence and Mortality After Treatment With Folic Acid and Vitamin B12.
    Ebbing M, Bønaa KH, Nygård O, Arnesen E, Ueland PM, Nordrehaug JE, Rasmussen K, Njølstad I, Refsum H, Nilsen DW, Tverdal A, Meyer K, Vollset SE.
    JAMA. 2009 Nov 18;302(19):2119-2126. v
    PMID: 19920236

    Conclusion Treatment with folic acid plus vitamin B12 was associated with increased cancer outcomes and all-cause mortality in patients with ischemic heart disease in Norway, where there is no folic acid fortification of foods.
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

Israeli 'cancer shift' over heart disease mortality may be led by greater risk in women... - 0 views

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    Israeli 'cancer shift' over heart disease mortality may be led by greater risk in women with high intake of n-6 fatty acids.
    Shapira N.
    Eur J Cancer Prev. 2007 Oct;16(5):486-94.
    PMID: 17923822
    doi: 10.1097/CEJ.0b013e3280145b6d

    Population studies of Israeli Jews, Arabs, and women support the association of high n-6 polyunsaturated fatty acid intake with increased cancer risk and higher female sensitivity. Research findings suggest that gender and sex hormones may influence n-6 polyunsaturated fatty acid metabolism and carcinogenesis. This appears to be the first time gender has been proposed to modulate national cancer epidemiology, suggesting implications for differential nutritional prevention, warranting further research.
Matti Narkia

Factors Associated With Clinical Benefit From Epidermal Growth Factor Receptor Inhibito... - 0 views

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    Factors associated with clinical benefit from epidermal growth factor receptor inhibitors in recurrent and metastatic squamous cell carcinoma of the head and neck.
    Cohen EE, Halpern AB, Kasza K, Kocherginsky M, Williams R, Vokes EE.
    Oral Oncol. 2009 Oct;45(10):e155-60. Epub 2009 Jul 7.
    PMID: 19586795
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

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

Incident Invasive Breast Cancer, Geographic Location of Residence, and Reported Average... - 0 views

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    ncident invasive breast cancer, geographic location of residence, and reported average time spent outside.
    Millen AE, Pettinger M, Freudenheim JL, Langer RD, Rosenberg CA,
    Mossavar-Rahmani Y, Duffy CM, Lane DS, McTiernan A, Kuller LH, Lopez AM, Wactawski-Wende J.
    Cancer Epidemiol Biomarkers Prev. 2009 Feb;18(2):495-507. Epub 2009 Feb 3.
    PMID: 19190147
    doi: 10.1158/1055-9965.EPI-08-0652

    In conclusion, region of residence and geographic solar irradiance are not consistently related to risk of breast cancer and may not be sufficient proxy measures for sunlight/vitamin D exposure. The observed association between time spent outside and breast cancer risk support the hypothesis that vitamin D may protect against breast cancer.
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 and Its Role in Cancer and Immunity: A Prescription for Sunlight -- Mullin an... - 0 views

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    Vitamin d and its role in cancer and immunity: a prescription for sunlight.
    Mullin GE, Dobs A.
    Nutr Clin Pract. 2007 Jun;22(3):305-22. Review.
    PMID: 17507731
    DOI: 10.1177/0115426507022003305
Matti Narkia

Calcium, Dairy Foods, Vitamin D, and Colorectal Cancer Risk: The Fukuoka Colorectal Can... - 0 views

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    Calcium, dairy foods, vitamin D, and colorectal cancer risk: the Fukuoka Colorectal Cancer Study.
    Mizoue T, Kimura Y, Toyomura K, Nagano J, Kono S, Mibu R, Tanaka M, Kakeji Y, Maehara Y, Okamura T, Ikejiri K, Futami K, Yasunami Y, Maekawa T, Takenaka K, Ichimiya H, Imaizumi N.
    Cancer Epidemiol Biomarkers Prev. 2008 Oct;17(10):2800-7.
    PMID: 18843026
Matti Narkia

Vitamin D From Dietary Intake and Sunlight Exposure and the Risk of Hormone-Receptor-De... - 0 views

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    Vitamin D from dietary intake and sunlight exposure and the risk of hormone-receptor-defined breast cancer.
    Blackmore KM, Lesosky M, Barnett H, Raboud JM, Vieth R, Knight JA.
    Am J Epidemiol. 2008 Oct 15;168(8):915-24. Epub 2008 Aug 27.
    PMID: 18756015
    doi:10.1093/aje/kwn198

    This study suggests that vitamin D is associated with a reduced risk of breast cancer regardless of ER/PR status of the tumor. Future studies with a larger number of receptor-negative and mixed tumors are required.
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
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