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Effect of folic acid on animal models, cell cultures, and human oral clefts: a literature review
Egyptian Journal of Medical Human Genetics ( IF 1.2 ) Pub Date : 2020-11-26 , DOI: 10.1186/s43042-020-00108-x
Zita C. Bendahan , Lina M. Escobar , Jaime E. Castellanos , María C. González-Carrera

Folate is a naturally occurring, water-soluble B vitamin. The synthetic form of this compound is folic acid (FA), the deficiency of which is linked to neural tube disorders (NTD), which can be prevented by consuming it before, or during the early months of, pregnancy. However, the effect of FA on oral cleft formation remains controversial. The aim of the present study was to review the evidence concerning the effect of FA on the formation of cleft lip and palate (CLP) in both animals and humans, as well as its impact on different cell types. A search was conducted on various databases, including MEDLINE, EMBASE, and Central, for articles published until January 2020. Current systematic reviews indicate that FA, alone or in combination with other vitamins, prevents NTD; however, there is no consensus on whether its consumption can prevent CLP formation. Conversely, the protective effect of FA on palatal cleft (CP) induction has been inferred from animal models; additionally, in vitro studies enumerate a cell-type and dose-dependent effect of FA on cell viability, proliferation, and differentiation, hence bolstering evidence from epidemiological studies. Meta-analysis, animal models, and in vitro studies demonstrated the protective effect of FA against isolated CP; however, the heterogeneity of treatment protocols, doses, and FA administration method, as well as the different cell types used in in vitro studies, does not conclusively establish whether FA prevents CLP formation.

中文翻译:

叶酸对动物模型、细胞培养和人类口腔裂隙的影响:文献综述

叶酸是一种天然存在的水溶性 B 族维生素。这种化合物的合成形式是叶酸 (FA),叶酸的缺乏与神经管疾病 (NTD) 相关,可以通过在怀孕前或怀孕前几个月服用来预防。然而,FA对口腔裂隙形成的影响仍然存在争议。本研究的目的是审查关于 FA 对动物和人类唇裂和腭裂 (CLP) 形成的影响的证据,以及它对不同细胞类型的影响。在包括 MEDLINE、EMBASE 和 Central 在内的各种数据库中搜索了 2020 年 1 月之前发表的文章。目前的系统评价表明,FA 单独或与其他维生素联合使用可预防 NTD;然而,食用它是否可以防止CLP的形成,目前还没有达成共识。相反,已从动物模型中推断出 FA 对腭裂 (CP) 诱导的保护作用;此外,体外研究列举了 FA 对细胞活力、增殖和分化的细胞类型和剂量依赖性影响,从而支持流行病学研究的证据。荟萃分析、动物模型和体外研究证明了 FA 对孤立 CP 的保护作用;然而,治疗方案、剂量和 FA 给药方法的异质性,以及体外研究中使用的不同细胞类型,并不能最终确定 FA 是否阻止 CLP 形成。体外研究列举了 FA 对细胞活力、增殖和分化的细胞类型和剂量依赖性影响,因此支持流行病学研究的证据。荟萃分析、动物模型和体外研究证明了 FA 对孤立 CP 的保护作用;然而,治疗方案、剂量和 FA 给药方法的异质性,以及体外研究中使用的不同细胞类型,并不能最终确定 FA 是否阻止 CLP 形成。体外研究列举了 FA 对细胞活力、增殖和分化的细胞类型和剂量依赖性影响,因此支持流行病学研究的证据。荟萃分析、动物模型和体外研究证明了 FA 对孤立 CP 的保护作用;然而,治疗方案、剂量和 FA 给药方法的异质性,以及体外研究中使用的不同细胞类型,并不能最终确定 FA 是否阻止 CLP 形成。
更新日期:2020-11-26
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