A Poly-ADP-Ribose Polymer-GCSF Conjugate.

A Poly-ADP-Ribose Polymer-GCSF Conjugate.
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DOI:
10.1021/acs.biomac.2c01090
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发表时间:
2022-12-12
期刊:
影响因子:
6.2
通讯作者:
Zhang, Yong
Zhang, Yong
中科院分区:
化学2区
文献类型:
--
作者:
Cheng, Qinqin;Zhang, Xiao-Nan;Zhang, Lei;Chen, Jingwen;Wang, Yiling;Zhang, Yong

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聚adp -核糖(PAR)是由聚adp -核糖聚合酶(PARPs)催化的酶促反应合成的一种天然存在的聚合物。众所周知,它调节各种重要的细胞信号通路和过程。作为一种水溶性和生物相容性的聚合物,PAR有望安全有效地输送治疗药物。为了探索PAR聚合物的治疗潜力,我们利用人parp1催化的自聚adp核糖基化和烟酰胺腺嘌呤二核苷酸(NAD+)的可点击类似物,制备了与人粒细胞集落刺激因子(GCSF)蛋白偶联的PAR聚合物。所得到的PAR聚合物缀合物与多价GCSF配体具有强大的细胞增殖活性。值得注意的是,用单剂量PAR聚合物- gcsf偶联物治疗的小鼠血液中中性粒细胞水平持续高11天,显示出良好的体内疗效。功能化PAR聚合物可为与治疗性蛋白或多肽结合提供新的支架,从而提高其药理活性。
Poly-ADP-ribose (PAR) is a naturally occurring form of polymer synthesized through enzymatic reactions catalyzed by poly(ADP-ribose) polymerases (PARPs). It is known for regulating various important cellular signaling pathways and processes. As a water soluble and biocompatible type of polymer, PAR may hold promise for safe and efficient delivery of therapeutics. To explore the therapeutic potential of PAR polymers, we herein generated PAR polymers conjugated with human granulocyte colony-stimulating factor (GCSF) protein by harnessing human PARP1-catalyzed auto-poly-ADP-ribosylation and a clickable analogue of nicotinamide adenine dinucleotide (NAD+). The resulting PAR polymer-based conjugate with multivalent GCSF ligands exhibits a potent cell proliferative activity. Notably, mice treated with a single dose of the PAR polymer-GCSF conjugate show sustained high levels of neutrophil in blood for 11 days, demonstrating excellent in vivo efficacy. Functionalized PAR polymers may provide new scaffolds for conjugating with therapeutic proteins or peptides toward improved pharmacological activities.
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发表时间: 2010-12-22
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期刊: BIOCHEMISTRY
影响因子: 2.9
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