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Comparative Strategies for Ubiquitination Detection in Mammalian Cell Lysates Using SMAD2/SMURF2 as a Model
Published on: April 17, 2026
Ubiquitination in cardiovascular diseases: From molecular mechanisms to therapeutic targeting
Jia-Yin Wang1, Tie-Ning Zhang1, Ni Yang1
1Department of Pediatrics, Shengjing Hospital of China Medical University, Shenyang 110004, China; NHC Key Laboratory of Congenital Malformation, Shengjing Hospital of China Medical University, Shenyang 110004, China.
Insights
Aging exacerbates cardiovascular diseases (CVDs). Ubiquitination, a key protein modification, regulates cellular processes vital for heart health and is implicated in CVD development and progression.
Area of Science:
- Biochemistry
- Molecular Biology
- Cardiovascular Research
Background:
- Cardiovascular diseases (CVDs) are a leading global health burden, with aging as a significant risk factor.
- Ubiquitination, a reversible posttranslational modification, dynamically regulates protein function, impacting cellular processes crucial for cardiovascular homeostasis.
- Dysregulation of ubiquitination pathways is increasingly recognized in the initiation and progression of various cardiovascular conditions.
Purpose of the Study:
- To provide a comprehensive review of ubiquitination's components and molecular mechanisms in cardiovascular diseases.
- To elucidate the role of aging in cardiovascular disease and its intricate regulation by ubiquitination.
- To highlight common regulatory pathways and discuss emerging therapeutic strategies targeting ubiquitination for CVDs.
Main Methods:
- Literature review of ubiquitination pathways and their involvement in cardiovascular pathology.
- Analysis of the interplay between aging, ubiquitination, and cardiovascular disease development.
- Synthesis of current research on ubiquitination-targeted therapies for cardiovascular conditions.
Main Results:
- Ubiquitination, orchestrated by E1, E2, E3 enzymes and deubiquitinases (DUBs), is vital for cardiovascular homeostasis.
- Age-related dysregulation of ubiquitination contributes significantly to the pathogenesis of cardiovascular diseases.
- Specific ubiquitination pathways are common underlying mechanisms in diverse cardiovascular conditions.
Conclusions:
- Ubiquitination plays a critical role in cardiovascular health and disease, particularly in the context of aging.
- Targeting ubiquitination pathways, including ubiquitin ligases and DUBs, offers promising therapeutic avenues for CVDs.
- Further research into ubiquitination-mediated cardiovascular pathology is essential for developing novel, effective treatments.
Abstract:
Cardiovascular diseases (CVDs) remain the leading cause of morbidity and mortality worldwide, with ageing constituting a major underlying risk factor. Ubiquitination, a highly conserved and reversible posttranslational modification, has emerged as a pivotal regulator of CVDs through the modulation of target proteins through various mechanisms, including protein stability, activity, subcellular localization, and molecular interactions. This process is orchestrated by ubiquitin-activating (E1), conjugating (E2), and ligating (E3) enzymes, which attach ubiquitin to target proteins, as well as by deubiquitinases (DUBs), which remove ubiquitin, thereby enabling the dynamic and reversible control of proteins. Through these mechanisms, ubiquitination plays vital roles in diverse cellular processes that are central to cardiovascular homeostasis. Accumulating evidence indicates that the dysregulation of ubiquitination plays pivotal roles in the initiation and progression of various cardiovascular diseases. In this review, we provide a comprehensive overview of the components and molecular mechanisms of ubiquitination and discuss its roles and underlying mechanisms in various cardiovascular conditions. Specially, we summarize the regulatory roles of ageing in cardiovascular disease and its regulation by ubiquitination. We also highlight common regulatory pathways underlying ubiquitination-mediated cardiovascular diseases. Furthermore, we review recent advances in ubiquitination-targeted therapeutic strategies, including those targeting ubiquitin ligases, deubiquitinases, and the ubiquitin-proteasome system, and discuss translational challenges and future directions. We also summarize their applications in cardiovascular diseases. In conclusion, this manuscript aims to offer an integrated understanding of ubiquitination-mediated cardiovascular pathology, providing the basis for the development of novel therapeutic approaches targeting ubiquitination.
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