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High-throughput preparation of radioprotective polymers via Hantzsch's reaction for in vivo X-ray damage determination.

Abstract：

:Radioprotectors for acute injuries caused by large doses of ionizing radiation are vital to national security, public health and future development of humankind. Here, we develop a strategy to explore safe and efficient radioprotectors by combining Hantzsch's reaction, high-throughput methods and polymer chemistry. A water-soluble polymer with low-cytotoxicity and an excellent anti-radiation capability has been achieved. In in vivo experiments, this polymer is even better than amifostine, which is the only approved radioprotector for clinical applications, in effectively protecting zebrafish embryos from fatally large doses of ionizing radiation (80 Gy X-ray). A mechanistic study also reveals that the radioprotective ability of this polymer originates from its ability to efficiently prevent DNA damage due to high doses of radiation. This is an initial attempt to explore polymer radioprotectors via a multi-component reaction. It allows exploiting functional polymers and provides the underlying insights to guide the design of radioprotective polymers.

journal_name

Nat Commun

journal_title

Nature communications

authors

Liu G,Zeng Y,Lv T,Mao T,Wei Y,Jia S,Gou Y,Tao L

doi

10.1038/s41467-020-20027-0

subject

Has Abstract

pub_date

2020-12-04 00:00:00

pages

6214

issue

1

issn

2041-1723

pii

10.1038/s41467-020-20027-0

journal_volume

11

pub_type

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