{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,1,17]],"date-time":"2026-01-17T04:07:23Z","timestamp":1768622843551,"version":"3.49.0"},"reference-count":43,"publisher":"Ovid Technologies (Wolters Kluwer Health)","issue":"4","license":[{"start":{"date-parts":[[2019,7,1]],"date-time":"2019-07-01T00:00:00Z","timestamp":1561939200000},"content-version":"unspecified","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by-nc-nd\/4.0\/ http:\/\/creativecommons.org\/licenses\/by-nc-nd\/4.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2019,7]]},"abstract":"<jats:p>Folic acid is a necessary micronutrient for normal human growth and development. Benzo(a)pyrene (BaP) is a ubiquitously distributed environmental pollutant and its metabolite, benzo(a)pyrene-diol-epoxide, is known to exert a strong teratogenic and carcinogenic effect on the body\u2019s tissues and cells. The aim of this study was to investigate the mechanism by which folic acid can inhibit the toxic effects of BaP both <jats:italic toggle=\"yes\">in vivo<\/jats:italic> and <jats:italic toggle=\"yes\">in vitro<\/jats:italic>. We measured changes in 16HBE cell activity affected by the intervention of folic acid on BaP using the cell counting kit-8 assay and that of cell cycle distribution by flow cytometry. At the same time, we assessed the <jats:italic toggle=\"yes\">xeroderma pigmentosum group A, xeroderma pigmentosum group C, excision repair cross complementation group 1, cyclinD1<\/jats:italic>, and <jats:italic toggle=\"yes\">CKD4<\/jats:italic> mRNAs, and their related protein expression both in mouse lung tissue and in 16HBE cells. In conclusion, the mechanisms by which this effect is mediated were not entirely elucidated by our study, possibly because folic acid antagonizes the toxic effects of BaP by upregulating the levels of <jats:italic toggle=\"yes\">excision repair cross complementation group 1, xeroderma pigmentosum group A<\/jats:italic>, and <jats:italic toggle=\"yes\">xeroderma pigmentosum group C<\/jats:italic> gene expression to improve the rate of DNA repair, in turn accelerating the speed of repair for DNA damage caused by BaP. Meanwhile, folic acid could restrain BaP-induced cyclinD1 protein expression, which could help cells return to their normal cell cycle.<\/jats:p>","DOI":"10.1097\/cej.0000000000000461","type":"journal-article","created":{"date-parts":[[2018,7,16]],"date-time":"2018-07-16T21:21:25Z","timestamp":1531776085000},"page":"355-364","source":"Crossref","is-referenced-by-count":10,"title":["The intervention mechanism of folic acid for benzo(a)pyrene toxic effects in vitro and in vivo"],"prefix":"10.1097","volume":"28","author":[{"given":"Pengcheng","family":"Wang","sequence":"first","affiliation":[{"name":"College of Food Science and Engineering, Wuhan Polytechnic University, Wuhan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Yuwei","family":"Chen","sequence":"additional","affiliation":[{"name":"College of Food Science and Engineering, Wuhan Polytechnic University, 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