Investigation of relationships between metabolic chemical reporter structures and S-glyco-modification effects

Dou, Biao; Wang, Menghe; Guo, Wenfeng; Chu, Songshen; Chang, Renhao; Zhang, Yang; Wang, Jipeng; Li, Xia; Wang, Jiajia

doi:10.1016/j.bioorg.2024.107717

Bioorganic Chemistry

2024

DOI: 10.1016/j.bioorg.2024.107717

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Investigation of relationships between metabolic chemical reporter structures and S-glyco-modification effects

Biao Dou,

Menghe Wang,

Wenfeng Guo

et al.

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Cited by 1 publication

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Ac₃4deoGlcNAz: A Selective Probe for Identifying O‐GlcNAc‐Modified Proteins in Prostate Cancer

Xu,

Zhu,

Wang

et al. 2024

ChemMedChem

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O‐GlcNAcylation is a prevalent protein modification in eukaryotic cells and increasing evidences indicated that over‐expressed O‐GlcNAcylation are intimately linked to the development and prognosis of prostate cancer. Thus, exploring this modification in the context of prostate cancer is vital for understanding the underlying mechanisms and hopefully used for future targeted therapies. In this paper, we use our previously established metabolic probes to comprehensively compare the labeling efficiency of O‐GlcNAc modified proteins in PC3 cells. Our results demonstrated that all the tested probes were non‐toxic to PC3 cells and only Ac4GlcNAz, Ac4GalNAz and Ac34deoGlcNAz exhibited robust labeling signals amongst the probes. Further investigations by western blot and flow cytometry analysis revealed that Ac34deoGlcNAz was a specific and efficient probe for intracelluar protein labeling with negligible S‐glyco‐modification signal. In addition, proteomic analysis further confirmed that 94% of the proteins identified by Ac34deoGlcNAz were in the form of O‐linked GlcNAc, these enriched O‐GlcNAcylated proteins were mainly involved in the regulated processes of prostate cancer. Our results here together prove Ac34deoGlcNAz is a safe and reliable probe for metabolic labeling O‐GlcNAc modified proteins in prostate cancer, providing a mean to fully exploit the regulatory mechanism of O‐GlcNAcylation in the process of prostate cancer.

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Ac₃4deoGlcNAz: A Selective Probe for Identifying O‐GlcNAc‐Modified Proteins in Prostate Cancer

Xu,

Zhu,

Wang

et al. 2024

ChemMedChem

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Investigation of relationships between metabolic chemical reporter structures and S-glyco-modification effects

Cited by 1 publication

References 29 publications

Ac₃4deoGlcNAz: A Selective Probe for Identifying O‐GlcNAc‐Modified Proteins in Prostate Cancer

Ac₃4deoGlcNAz: A Selective Probe for Identifying O‐GlcNAc‐Modified Proteins in Prostate Cancer

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Investigation of relationships between metabolic chemical reporter structures and S-glyco-modification effects

Cited by 1 publication

References 29 publications

Ac34deoGlcNAz: A Selective Probe for Identifying O‐GlcNAc‐Modified Proteins in Prostate Cancer

Ac34deoGlcNAz: A Selective Probe for Identifying O‐GlcNAc‐Modified Proteins in Prostate Cancer

Contact Info

Product

Resources

About

Ac₃4deoGlcNAz: A Selective Probe for Identifying O‐GlcNAc‐Modified Proteins in Prostate Cancer

Ac₃4deoGlcNAz: A Selective Probe for Identifying O‐GlcNAc‐Modified Proteins in Prostate Cancer