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. 2021 Sep;60(6):3375-3386.
doi: 10.1007/s00394-021-02516-0. Epub 2021 Feb 22.

Vitamin B12 may play a preventive role in esophageal precancerous lesions: a case-control study based on markers in blood and 3-day duplicate diet samples

Da Pan #  1 , Shaokang Wang #  2 , Ming Su  3 , Guiju Sun  1 , Xiaopan Zhu  1 , Mahsa Ghahvechi Chaeipeima  1 , Ziqi Guo  1 , Niannian Wang  1 , Ziyu Zhang  1 , Mengjing Cui  1
Affiliations

Vitamin B12 may play a preventive role in esophageal precancerous lesions: a case-control study based on markers in blood and 3-day duplicate diet samples

Da Pan et al. Eur J Nutr. 2021 Sep.

Abstract

Purpose: It is hypothesized that vitamin B12 may prevent tumor initiation during the early stage of carcinogenesis such as esophageal precancerous lesions (EPL), whereas an excessive level may promote tumor progression during the later stages of carcinogenesis. This study aimed to determine the role of vitamin B12 in EPL by detecting vitamin B12-related markers in both blood and diet.

Methods: This case-control study based on 3-day duplicated diet samples was conducted in a high-risk area of Huai'an, China. A 100 EPL cases and 100 healthy controls matched by gender, age (± 2 years) and villages were included. Dietary intake of vitamin B12 and cobalt, plasma cobalt level, the serum levels of vitamin B12 and transcobalamin II (TC II) were quantitatively analyzed.

Results: Dietary vitamin B12 intake (p for trend = 0.384) and plasma cobalt level (p for trend = 0.253) were not associated with EPL risk, but high dietary cobalt intake (p for trend = 0.034), increased serum levels of vitamin B12 (p for trend = 0.036) and TC II (p for trend < 0.001) were significantly associated with the reduced EPL risk. However, the significant negative association between dietary cobalt intake, plasma cobalt level or serum vitamin B12 level and EPL was only found in female or male subjects.

Conclusion: Excellent transport capability of bio-active vitamin B12 in vivo and adequate levels of vitamin B12 and cobalt may play preventive roles in EPL. Additionally, the association between vitamin B12, cobalt and the risk of EPL may vary in different genders.

Keywords: Cobalt; Duplicate diet; Esophageal precancerous lesions; Transcobalamin II; Vitamin B12.

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References

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