SENP1 reduces oxidative stress and apoptosis in renal ischaemia-reperfusion injury by deSUMOylation of HIF-1α
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View abstract on PubMed
Summary
This summary is machine-generated.Sentrin-specific protease 1 (SENP1) protects kidneys from injury during renal ischemia-reperfusion (RIRI). SENP1 reduces kidney cell damage by stabilizing hypoxia-inducible factor-1α (HIF-1α), offering a potential therapeutic target for RIRI.
Area Of Science
- Nephrology
- Molecular Biology
- Biochemistry
Background
- Renal ischemia-reperfusion injury (RIRI) is a major cause of acute kidney damage, particularly after kidney transplantation.
- The molecular mechanisms underlying RIRI remain incompletely understood.
- Sentrin-specific protease 1 (SENP1) is implicated in various diseases, but its role in RIRI is unclear.
Purpose Of The Study
- To investigate the role of SENP1 in renal ischemia-reperfusion injury (RIRI).
- To elucidate the underlying molecular mechanisms by which SENP1 influences RIRI.
- To explore SENP1 as a potential therapeutic target for RIRI.
Main Methods
- Investigated SENP1 levels in RIRI models.
- Examined the effect of SENP1 on renal cell apoptosis and oxidative stress.
- Identified and characterized hypoxia-inducible factor-1α (HIF-1α) as a substrate of SENP1.
- Utilized a specific HIF-1α inhibitor (KC7F2) to assess functional relevance.
Main Results
- SENP1 levels were found to be involved in RIRI.
- Elevated SENP1 expression reduced renal cell apoptosis and oxidative stress.
- SENP1 was shown to deSUMOylate HIF-1α, thereby preventing its degradation.
- Inhibition of HIF-1α abolished the protective effects of SENP1.
- SENP1 demonstrated a renoprotective function in RIRI.
Conclusions
- SENP1 mitigates RIRI by deSUMOylating HIF-1α, which reduces HIF-1α degradation.
- This mechanism attenuates oxidative stress and apoptosis in the kidneys.
- SENP1 represents a promising therapeutic target for treating RIRI.
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