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Jeongseon Kim 1 Article
Thyroid
Seaweed and Iodine Intakes and SLC5A5 rs77277498 in Relation to Thyroid Cancer
Tung Hoang, Eun Kyung Lee, Jeonghee Lee, Yul Hwangbo, Jeongseon Kim
Endocrinol Metab. 2022;37(3):513-523.   Published online May 24, 2022
DOI: https://doi.org/10.3803/EnM.2021.1306
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AbstractAbstract PDFSupplementary MaterialPubReader   ePub   
Background
This study aims to elucidate the associations among dietary seaweed (gim and miyeok/dashima) and iodine intakes, the rs77277498 polymorphism of the SLC5A5 gene codifying the sodium/iodine symporter, and thyroid cancer risk in a Korean population.
Methods
We conducted a case-control study of 117 thyroid cancer cases and 173 controls who participated in the Cancer Screenee Cohort between 2002 and 2014 at the National Cancer Center, Korea. The amount of seaweed and iodine consumption (g/day) was estimated using the residual energy adjustment method. We calculated odds ratios (ORs) and their 95% confidence intervals (CIs) using a multivariable logistic regression model for the separate and combined effect of dietary iodine-based intake and SLC5A5 polymorphism (rs77277498, C>G) on thyroid cancer.
Results
Dietary gim and iodine intakes were inversely associated with thyroid cancer, with ORs of 0.50 (95% CI, 0.30 to 0.83) and 0.57 (95% CI, 0.35 to 0.95), respectively, whereas the associations for dietary miyeok/dashima and total seaweed intakes were not significant. However, compared with individuals carrying the C/C genotype of the rs77277498 polymorphism with a low intake of all dietary factors, those carrying the G allele with a high intake had a lower risk of thyroid cancer, with ORs of 0.25 (95% CI, 0.10 to 0.56), 0.31 (95% CI, 0.12 to 0.77), 0.26 (95% CI, 0.10 to 0.62), and 0.30 (95% CI, 0.12 to 0.73) for the consumption of gim, miyeok/dashima, total seaweed, and iodine, respectively.
Conclusion
In summary, our results supported the evidence of the protective effects of dietary gim and iodine intake against thyroid cancer risk, and this association can be strengthened by SLC5A5 rs77277498 genotypes.

Citations

Citations to this article as recorded by  
  • The influence of nutrition in nodular thyroid pathology: a systematic review
    Vanessa Neto, Catarina Leitão, Marta Estrela, Margarida Fardilha, Maria Teresa Herdeiro, Alexandra Nunes
    Critical Reviews in Food Science and Nutrition.2024; : 1.     CrossRef
  • Evaluation of the Bioavailability of Iodine and Arsenic in Raw and Cooked Saccharina japonica Based on Simulated Digestion/Caco-2 Cell Model
    Na Li, Zhaomeng Geng, Yingying Guo, Xinyue Dai, Wenjia Zhu, Lin Yao, Yanhua Jiang, Xiaojuan Wang, Hao Dong, Huijie Wang, Lianzhu Wang
    Foods.2024; 13(18): 2864.     CrossRef
  • Iodine nutrition and papillary thyroid cancer
    Xueqi Zhang, Fan Zhang, Qiuxian Li, Chuyao Feng, Weiping Teng
    Frontiers in Nutrition.2022;[Epub]     CrossRef
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