Dietary fiber intake and risk of prostate cancer: a Metaanalysis

doi:10.3760/cma.j.issn.1673-422X.2016.10.009

Abstract

Abstract: ObjectiveTo determine the relationship between dietary fiber intake and risk of prostate cancer. MethodsElectronic databases including PubMed, EMBase, Cochrane library, China National Knowledge Internet (CNKI), Wanfang and CBM were searched to find eligible studies. Randomeffects relative risk (RR) and its corresponding 95%CI were used. Besides, randomeffects doseresponse analyses were also performed to clarify the doseresponse relations. ResultsTen studies, including five cohort studies and five casecontrol studies, were eligible and included in this Metaanalysis. The pooled RR of prostate cancer for the highest compared with the lowest dietary fiber intake was 0.87 (95%CI: 0.770.99, Z=2.10, P=0.035). In addition, pooled estimated data showed that risk of prostate cancer was significantly associated with soluble fiber (RR=0.78, 95%CI: 0.640.95, Z=2.45, P=0.014) and insoluble fiber (RR=0.65, 95%CI: 0.450.88, Z=2.79, P=0.005), but not with fruit, vegetable and cereal fiber intake. However, in doseresponse analysis, no significant association was reported （RR=0.996， 95%CI： 0.9891.002）. Sensitivity analysis showed that the overall results were relatively stable, and omission of any single study had little effect on the combined results. ConclusionDietary fiber intake is negative related to the risk of prostate cancer. Intake of dietary fiber is recommended to prevent prostate cancer. Considering the limitations of the included studies, more welldesigned prospective studies will be needed to confirm our findings.

Key words: Dietary fiber, Prostatic neoplasms, Metaanalysis

Liu Weishuai, Zeng Yaqi, Shao Yuejuan, Wang Kun. Dietary fiber intake and risk of prostate cancer: a Metaanalysis[J]. Journal of International Oncology, 2016, 43(10): 758-764.

References

［1］ Coleman HG, Murray LJ, Hicks B, et al. Dietary fiber and the risk of precancerous lesions and cancer of the esophagus: a systematic review and metaanalysis［J］. Nutr Rev, 2013, 71(7): 474-482. DOI: 10.1111/nure.12032. ［2］ Ben Q, Sun Y, Chai R, et al. Dietary fiber intake reduces risk for colorectal adenoma: a metaanalysis［J］. Gastroenterology, 2014, 146(3): 689-699.e6. DOI: 10.1053/j.gastro.2013.11.003. ［3］ Vinolo MA, Rodrigues HG, Nachbar RT, et al. Regulation of inflammation by short chain fatty acids［J］. Nutrients, 2011, 3(10): 858-876. DOI: 10.3390/nu3100858. ［4］ AlLahham S, Roelofsen H, Rezaee F, et al. Propionic acid affects immune status and metabolism in adipose tissue from overweight subjects［J］. Eur J Clin Invest, 2012, 42(4): 357-364. DOI: 10.1111/j.13652362.2011.02590.x. ［5］ Longcope C, Feldman HA, Mckinlay JB, et al. Diet and sex hormonebinding globulin［J］. J Clin Endocrinol Metab, 2000, 85(1): 293-296. DOI: 10.1210/jc.85.1.293. ［6］ Stroup DF, Berlin JA, Morton SC, et al. Metaanalysis of observational studies in epidemiology: a proposal for reporting. Metaanalysis of Observational Studies in Epidemiology (MOOSE) group［J］. JAMA, 2000, 283(15): 2008-2012. ［7］ Stang A. Critical evaluation of the NewcastleOttawa scale for the assessment of the quality of nonrandomized studies in metaanalyses［J］. Eur J Epidemiol, 2010, 25(9): 603-605. DOI: 10.1007/s106540109491z. ［8］ DerSimonian R, Laird N. Metaanalysis in clinical trials［J］. Control Clin Trials, 1986, 7(3): 177-188. ［9］ Greenland S, Longnecker MP. Methods for trend estimation from summarized doseresponse data, with applications to metaanalysis［J］. Am J Epidemiol, 1992, 135(11): 1301-1309. ［10］ Aune D, Greenwood DC, Chan DS, et al. Body mass index, abdominal fatness and pancreatic cancer risk: a systematic review and nonlinear doseresponse metaanalysis of prospective studies［J］. Ann Oncol, 2012, 23(4): 843-852. DOI: 10.1093/annonc/mdr398. ［11］ Moskal A, Norat T, Ferrari P, et al. Alcohol intake and colorectal cancer risk: a doseresponse metaanalysis of published cohort studies［J］. Int J Cancer, 2007, 120(3): 664-671. DOI: 10.1002/ijc.22299. ［12］ Tabung F, Steck SE, Su LJ, et al. Intake of grains and dietary fiber and prostate cancer aggressiveness by race［J］. Prostate Cancer, 2012, 2012: 323296. DOI: 10.1155/2012/323296. ［13］ Suzuki R, Allen NE, Key TJ, et al. A prospective analysis of the association between dietary fiber intake and prostate cancer risk in EPIC［J］. Int J Cancer, 2009, 124(1): 245-249. DOI: 10.1002/ijc.23908. ［14］ Vidal AC, Williams CD, Allott EH, et al. Carbohydrate intake, glycemic index and prostate cancer risk［J］. Prostate, 2015, 75(4): 430-439. DOI: 10.1002/pros.22929. ［15］ Drake I, Sonestedt E, Gullberg B, et al. Dietary intakes of carbohydrates in relation to prostate cancer risk: a prospective study in the Malm Diet and Cancer cohort［J］. Am J Clin Nutr, 2012, 96(6): 1409-1418. DOI: 10.3945/ajcn.112.039438. ［16］ Deschasaux M, Pouchieu C, His M, et al. Dietary total and insoluble fiber intakes are inversely associated with prostate cancer risk［J］. J Nutr, 2014, 144(4): 504-510. DOI: 10.3945/jn.113.189670. ［17］ Sawada N, Iwasaki M, Yamaji T, et al. Fiber intake and risk of subsequent prostate cancer in Japanese men［J］. Am J Clin Nutr, 2015, 101(1): 118-125. DOI: 10.3945/ajcn.114.089581. ［18］ Pelucchi C, Talamini R, Galeone C, et al. Fibre intake and prostate cancer risk［J］. Int J Cancer, 2004, 109(2): 278-280. DOI: 10.1002/ijc.11688. ［19］王涛, 王润田, 顾方六, 等. 营养素的摄入水平与前列腺癌关系的病例对照研究［J］. 中华泌尿外科杂志, 1996 (9): 540-544. ［20］ Lewis JE, SolerVilá H, Clark PE, et al. Intake of plant foods and associated nutrients in prostate cancer risk［J］. Nutr Cancer, 2009, 61(2): 216-224. DOI: 10.1080/01635580802419756. ［21］ Nimptsch K, Kenfield S, Jensen MK, et al. Dietary glycemic index, glycemic load, insulin index, fiber and wholegrain intake in relation to risk of prostate cancer［J］. Cancer Causes Control, 2011, 22(1): 51-61. DOI: 10.1007/s105520109671x. ［22］ Kaaks R, Bellati C, Venturelli E, et al. Effects of dietary intervention on IGFⅠ and IGFbinding proteins, and related alterations in sex steroid metabolism: the Diet and Androgens (Diana) Randomised Trial［J］. Eur J Clin Nutr, 2003, 57(9): 1079-1088. DOI: 10.1038/sj.ejcn.1601647. ［23］ Lau C, Faerch K, Glümer C, et al. Dietary glycemic index, glycemic load, fiber, simple sugars, and insulin resistance: the Inter99 study［J］. Diabetes Care, 2005, 28(6): 1397-1403. ［24］ Pollak M. Insulin and insulinlike growth factor signalling in neoplasia［J］. Nat Rev Cancer, 2008, 8(12): 915-928. DOI: 10.1038/nrc2536. ［25］ Roddam AW, Allen NE, Appleby P, et al. Insulinlike growth factors, their binding proteins, and prostate cancer risk: analysis of individual patient data from 12 prospective studies［J］. Ann Intern Med, 2008, 149(7): 461-471, W83-W88. ［26］ Rowlands MA, Gunnell D, Harris R, et al. Circulating insulinlike growth factor peptides and prostate cancer risk: a systematic review and metaanalysis［J］. Int J Cancer, 2009, 124(10): 2416-2429. DOI: 10.1002/ijc.24202. ［27］ Bylund A, Lundin E, Zhang JX, et al. Randomised controlled shortterm intervention pilot study on rye bran bread in prostate cancer［J］. Eur J Cancer Prev, 2003, 12(5): 407-415. DOI: 10.1097/01.cej.0000090180.08740.05. ［28］ Endogenous Hormones and Prostate Cancer Collaborative Group, Roddam AW, Allen NE, et al. Endogenous sex hormones and prostate cancer: a collaborative analysis of 18 prospective studies［J］. J Natl Cancer Inst, 2008, 100(3): 170-183. DOI: 10.1093/jnci/djm323.

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