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Regulation of Translation by PKA Signaling Pathway
Lele Yang1, Kun Hou1, Huayu Qi1
1Center for Development and Regenerative Medicine, Guangdong Provincial Key Laboratory of Stem Cell and Regenerative Medicine, Guangdong-Hong Kong Joint Laboratory for Stem Cell and Regenerative Medicine, China-New Zealand Joint Laboratory on Biomedicine and Health, Guangzhou Institutes of Biomedicine and Health, Chinese Academy of Sciences, Guangzhou 510530, China.
International Journal of Molecular Sciences
|August 13, 2026
Summary
Cyclic adenosine monophosphate (cAMP)-dependent protein kinase (PKA) signaling regulates cell functions. This review explores PKA
Area of Science:
- Cellular signaling and molecular biology.
- Biochemistry and cell regulation.
Background:
- Extracellular stimuli initiate intracellular changes via signaling pathways, notably the cAMP-dependent protein kinase (PKA) pathway.
- PKA plays key roles in cell proliferation and differentiation through protein phosphorylation.
- PKA function is regulated by subunit expression and spatiotemporal distribution of binding proteins and messengers.
Purpose of the Study:
- To review the functional diversity of PKA.
- To focus on the understudied regulatory roles of PKA in cellular protein synthesis.
Main Methods:
- Literature review of PKA research.
- Analysis of PKA's role in protein synthesis.
Main Results:
- PKA exhibits diverse roles in cell proliferation and differentiation.
- PKA's regulation of protein synthesis is not fully characterized.
Conclusions:
- Understanding PKA's spatiotemporal regulation is crucial for development, aging, and regeneration.
- Further research combining model systems and new methodologies will advance knowledge of animal development and human diseases.
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