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DPP3: From biomarker to therapeutic target of cardiovascular diseases
Peng Ye1, Wei Duan1,2, Yue-Qi Leng1
1Department of Marine Biomedicine and Polar Medicine, Naval Medical Center, Naval Medical University (Second Military Medical University), Shanghai, China.
Insights
Dipeptidyl peptidase 3 (DPP3) is linked to cardiovascular disease mortality and blood pressure regulation. Further research into DPP3
Area of Science:
- Biochemistry and Molecular Biology
- Cardiovascular Research
- Enzymology
Background:
- Cardiovascular diseases (CVDs) are the leading global cause of death, presenting a significant socioeconomic burden.
- Dipeptidyl peptidase 3 (DPP3), a zinc-dependent peptidase with a HEXXGH catalytic motif, degrades oligopeptides.
- DPP3 is implicated in various cellular activities and pathophysiological mechanisms, including cardiovascular disease.
Purpose of the Study:
- To review recent advances in the structure, catalytic activity, and biological functions of DPP3.
- To explore the role of DPP3 as a potential therapeutic target in cardiovascular diseases.
- To provide a theoretical basis for understanding DPP3's involvement in cardiovascular health and disease.
Main Methods:
- Literature review of existing research on DPP3 structure, function, and its role in cardiovascular diseases.
- Analysis of current evidence linking DPP3 to disease prognosis, blood pressure regulation, inflammation, and oxidative stress.
- Synthesis of findings to evaluate DPP3's potential as a therapeutic target.
Main Results:
- DPP3 is a biomarker for poor prognosis in cardiovascular diseases like cardiogenic shock and heart failure.
- Emerging evidence suggests DPP3 regulates blood pressure via interaction with the renin-angiotensin system.
- DPP3 is involved in pain signaling, inflammation, and oxidative stress, processes relevant to cardiovascular function.
Conclusions:
- DPP3 plays a multifaceted role in cardiovascular pathophysiology, extending beyond its biomarker status.
- Understanding the precise mechanisms of DPP3 in cardiovascular function is crucial for therapeutic development.
- DPP3 represents a promising, yet underexplored, therapeutic target for cardiovascular diseases.
Abstract:
Cardiovascular disease is the leading cause of death globally among non-communicable diseases, which imposes a serious socioeconomic burden on patients and the healthcare system. Therefore, finding new strategies for preventing and treating cardiovascular diseases is of great significance in reducing the number of deaths and disabilities worldwide. Dipeptidyl peptidase 3 (DPP3) is the first zinc-dependent peptidase found among DPPs, mainly distributes within the cytoplasm. With the unique HEXXGH catalytic sequence, it is associated with the degradation of oligopeptides with 4 to 10 amino acids residues. Accumulating evidences have demonstrated that DPP3 plays a significant role in almost all cellular activities and pathophysiological mechanisms. Regarding the role of DPP3 in cardiovascular diseases, it is currently mainly used as a biomarker for poor prognosis in patients with cardiovascular diseases, suggesting that the level of DPP3 concentration in plasma is closely linked to the mortality of diseases such as cardiogenic shock and heart failure. Interestingly, it has been reported recently that DPP3 regulates blood pressure by interacting with the renin-angiotensin system. In addition, DPP3 also participates in the processes of pain signaling, inflammation, and oxidative stress. But the exact mechanism by which DPP3 affects cardiovascular function is not clear. Hence, this review summarizes the recent advances in the structure and catalytic activity of DPP3 and its extensive biological functions, especially its role as a therapeutic target in cardiovascular diseases. It will provide a theoretical basis for exploring the potential value of DPP3 as a therapeutic target for cardiovascular diseases.
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