Related Experiment Video

Updated: Feb 21, 2026

A Fluorescence-based Protocol for Preliminary Screening of Protein Synthesis Inhibitors from Natural Sources
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A Fluorescence-based Protocol for Preliminary Screening of Protein Synthesis Inhibitors from Natural Sources

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266

Harnessing Ribonucleoprotein Granule Biology for Cancer Therapy: The Central Role of Protein Modifications

Dengxiong Li1, Qingxin Yu2,3, Ruicheng Wu4,5

  • 1Department of Urology, The First Affiliated Hospital of Zhejiang Chinese Medical University (Zhejiang Provincial Hospital of Chinese Medicine), Hangzhou, China.

Research (Washington, D.C.)
|February 20, 2026
PubMed

Insights

Ribonucleoprotein (RNP) granule modifications, like phosphorylation and acetylation, impact cancer development and treatment. Understanding these protein modifications is key for advancing RNP-based cancer therapies.

Area of Science:

  • Biochemistry
  • Molecular Biology
  • Oncology

Background:

  • Aberrant ribonucleoprotein (RNP) granule expression and function are implicated in cancer initiation, progression, and treatment response.
  • Protein modifications play a crucial role in mediating interactions between cancer and RNP granules or associated proteins.

Purpose of the Study:

  • To summarize and discuss the intricate interactions between RNPs and various protein modifications within the context of cancer.
  • To facilitate the clinical translation of RNP-based therapies by elucidating these complex molecular mechanisms.

Main Methods:

  • Literature review and synthesis of existing studies on RNP modifications in cancer.
  • Analysis of reported protein modifications affecting RNP granules, including phosphorylation, ubiquitination, SUMOylation, methylation, crotonylation, and acetylation.
  • Identification of modifications not yet reported on RNPs, such as glycosylation, fucosylation, and PARylation.

Main Results:

  • RNPs can undergo several types of protein modifications, including phosphorylation, ubiquitination, SUMOylation, methylation, crotonylation, and acetylation.
  • These modifications can occur competitively on RNPs, influencing RNP granule expression and function.
  • RNP granule modifications are observed in cancer cells, immune cells, and stromal cells, impacting therapeutic efficacy.

Conclusions:

  • Protein modifications on RNP granules offer a basis for developing novel antitumor therapies.
  • The structural complexity of RNPs and the current depth of research present significant challenges for clinical translation of RNP-based strategies.

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