Advances in the biology and chemistry of sialic acids.

Advances in the biology and chemistry of sialic acids.
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DOI:
10.1021/cb900266r
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发表时间:
2010-02-19
影响因子:
4
通讯作者:
Varki, Ajit
Varki, Ajit
中科院分区:
生物学2区
文献类型:
--
作者:
Chen, Xi;Varki, Ajit

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唾液酸是非糖酸的一个子集,非糖糖酸是九碳α-酮醛酸。天然存在的含唾液酸结构以不同的唾液酸形式、各种唾液酸键以及不同的底层聚糖呈现。它们在生物学、病理学和免疫学过程中发挥重要作用。唾液生物学一直是一个具有挑战性但又有吸引力的研究领域。化学和化学酶合成以及基于大肠杆菌细胞的大规模生产的最新进展提供了唾液酸苷标准品和衍生物的大型库,其数量足以进行结构-活性关系研究。唾液酸聚糖微阵列为快速鉴定唾液酸结合蛋白的优选配体提供了有效的平台。未来对唾液酸的研究将继续处于化学和生物学的交叉领域。研究工作不仅可以更好地了解唾液酸的生物学和病理学重要性及其多样性,还可以促进治疗方法的发展。
Sialic acids are a subset of nonulosonic acids, which are nine-carbon alpha-keto aldonic acids. Natural existing sialic acid-containing structures are presented in different sialic acid forms, various sialyl linkages, and on diverse underlying glycans. They play important roles in biological, pathological, and immunological processes. Sialobiology has been a challenging and yet attractive research area. Recent advances in chemical and chemoenzymatic synthesis as well as large-scale E. coli cell-based production have provided a large library of sialoside standards and derivatives in amounts sufficient for structure-activity relationship studies. Sialoglycan microarrays provide an efficient platform for quick identification of preferred ligands for sialic acid-binding proteins. Future research on sialic acid will continue to be at the interface of chemistry and biology. Research efforts will not only lead to a better understanding of the biological and pathological importance of sialic acids and their diversity, but could also lead to the development of therapeutics.
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