Protective Effect of Green Tea Consumption on Colorectal Cancer Varies by Lifestyle Factors

Kim, Hye-Jin; Lee, Jeonghee; Oh, Jae Hwan; Chang, Hee Jin; Sohn, Dae Kyung; Shin, Aesun; Kim, Jeongseon

doi:10.3390/nu11112612

Cited by 9 publications

(8 citation statements)

References 45 publications

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“…A meta-analysis revealed a nonlinear inverse relationship between fruit and vegetable consumption and CRC [ 53 ]. Following the present results, previous studies have demonstrated an inverse to no association when examining whole grains, fibre, polyphenols, dietary vitamin D, calcium, and dairy products [ 32 , 33 , 35 , 54 - 58 ].…”

Section: Discussionsupporting

confidence: 86%

“…It has been reported that dietary vitamin D, calcium-rich dairy products, whole grains, and fibre were shown to be protective against CRC risk [ 31 - 34 ]. A case-control study conducted in Korea reported an association between green tea intake and the risk of CRC [ 35 ]. According to this study, moderate green tea intake elevated the risk of CRC; however, the risk was reduced when a higher amount of green tea was consumed [ 35 ].…”

Section: Resultsmentioning

confidence: 99%

“…A case-control study conducted in Korea reported an association between green tea intake and the risk of CRC [ 35 ]. According to this study, moderate green tea intake elevated the risk of CRC; however, the risk was reduced when a higher amount of green tea was consumed [ 35 ]. Polyphenols are mostly found in a wide variety of plants, food, and beverages including green tea, and their protective effect on CRC risk is related to their antioxidant, anti-atherosclerotic, anti-inflammatory, and anticancer properties [ 36 - 38 ].…”

Section: Resultsmentioning

confidence: 99%

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Association between Diet-related Behaviour and Risk of Colorectal Cancer: A Scoping Review

et al. 2022

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Individual dietary patterns may be influenced by diet-related behaviours, which may eventually play a significant role in contributing to colorectal cancer risk. As nearly half of colorectal cancer cases can be prevented through diet and lifestyle modification, in this study, we aimed to present an overview of the literature on diet-related behaviour and its effect on colorectal cancer risk among adults. Articles published from 2011 until July 2021 were selected. Out of the 1,198 articles retrieved, 25 were analyzed. There were 16 case-control studies, and nine of them were cohort studies. As a finding, the instruments used in this review were food frequency questionnaires (n = 23), followed by a semi-structured interview (n = 1), and diet records (n = 1). We demonstrated that unhealthy diet-related behaviours are linked to an increased risk of colorectal cancer in adults and those food frequency questionnaires or food records are common instruments used to collect diet-related behaviours. This article imparts the research trends and directions of colorectal cancer risk factors and shows that diet-related behaviour varies and changes over time.

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Section: Discussionsupporting

confidence: 86%

Section: Resultsmentioning

confidence: 99%

Section: Resultsmentioning

confidence: 99%

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Association between Diet-related Behaviour and Risk of Colorectal Cancer: A Scoping Review

et al. 2022

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“…This suggests that it is unlikely that green tea itself increases blood LPS concentration. Meanwhile, epidemiological studies have reported that people with a dietary habit of consuming both green tea and alcohol have an increased risk of esophageal cancer [ 74 ] and colorectal cancer [ 75 ]. In other words, the ingestion of green tea and alcohol may damage the epithelium of the gastrointestinal tract, which may reduce the intestinal barrier function and promote LPS influx.…”

Section: Discussionmentioning

confidence: 99%

Association of Plasma Lipopolysaccharide-Binding Protein Concentration with Dietary Factors, Gut Microbiota, and Health Status in the Japanese General Adult Population: A Cross-Sectional Study

Fuke¹,

Yamashita²,

Shimizu

et al. 2023

Metabolites

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The influx of intestinal bacteria-derived lipopolysaccharide (LPS) into the blood has attracted attention as a cause of diseases. The aim of this study is investigating the associations between the influx of LPS, dietary factors, gut microbiota, and health status in the general adult population. Food/nutrient intake, gut microbiota, health status and plasma LPS-binding protein (LBP; LPS exposure indicator) were measured in 896 residents (58.1% female, mean age 54.7 years) of the rural Iwaki district of Japan, and each correlation was analyzed. As the results, plasma LBP concentration correlated with physical (right/left arms’ muscle mass [β = −0.02, −0.03]), renal (plasma renin activity [β = 0.27], urine albumin creatinine ratio [β = 0.50]), adrenal cortical (cortisol [β = 0.14]), and thyroid function (free thyroxine [β = 0.05]), iron metabolism (serum iron [β = −0.14]), and markers of lifestyle-related diseases (all Qs < 0.20). Plasma LBP concentration were mainly negatively correlated with vegetables/their nutrients intake (all βs ≤ −0.004, Qs < 0.20). Plasma LBP concentration was positively correlated with the proportion of Prevotella (β = 0.32), Megamonas (β = 0.56), and Streptococcus (β = 0.65); and negatively correlated with Roseburia (β = −0.57) (all Qs < 0.20). Dietary factors correlated with plasma LBP concentration correlated with positively (all βs ≥ 0.07) or negatively (all βs ≤ −0.07) the proportion of these bacteria (all Qs < 0.20). Our results suggested that plasma LBP concentration in the Japanese general adult population was associated with various health issues, and that dietary habit was associated with plasma LBP concentration in relation to the intestinal bacteria.

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“…A previous case-control study of colorectal cancer risk with coffee [ 10 ] and green tea [ 28 ] consumption in Korea showed that high coffee and green tea consumption may be associated with a lower risk of colorectal cancer. To the best of our knowledge, there are no large-scale population-based studies that have investigated the association between coffee and green tea consumption and the risk of colorectal cancer considering lifestyle factors in the Korean population.…”

Section: Introductionmentioning

confidence: 99%

Consumption of Coffee and Green Tea and the Risk of Colorectal Cancer in Korea: The Health Examinees Study

Lee

Cho

et al. 2022

J Cancer Prev

Self Cite

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Coffee and green tea may affect colorectal physiology and contain many bioactive components, such as polyphenol and caffeine, which have antioxidant and anti-carcinogenic activities. However, the association between coffee and green tea consumption and the risk of colorectal cancer (CRC) has been inconclusive. This study examined the association between coffee and green tea consumption and the risk of CRC in a large-scale prospective cohort study in Korea. Data from the Health Examinees study from 2004 to 2013 were analyzed, and 114,243 participants (39,380 men and 74,863 women) aged 40-79 years were included in the final analysis. A Cox proportional hazards regression model using age at time scale was used to estimate hazard ratios (HRs) and 95% confidence intervals (CIs) of coffee and green tea consumption for the risk of CRC by sex. In both men and women, no significant association was found between coffee and green tea consumption and the risk of CRC. Among women, there was a significant increase in the risk of colon cancer (HR, 1.66; 95% CI, 1.13-2.44) in the black coffee drinker group. Our findings suggest that consumption of coffee and green tea may not be associated with the CRC incidence in Korea; instead, the association may differ depending on cancer subsites and coffee types.

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Protective Effect of Green Tea Consumption on Colorectal Cancer Varies by Lifestyle Factors

Cited by 9 publications

References 45 publications

Association between Diet-related Behaviour and Risk of Colorectal Cancer: A Scoping Review

Association between Diet-related Behaviour and Risk of Colorectal Cancer: A Scoping Review

Association of Plasma Lipopolysaccharide-Binding Protein Concentration with Dietary Factors, Gut Microbiota, and Health Status in the Japanese General Adult Population: A Cross-Sectional Study

Consumption of Coffee and Green Tea and the Risk of Colorectal Cancer in Korea: The Health Examinees Study

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