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SENP1 promotes MCL pathogenesis through regulating JAK-STAT5 pathway and SOCS2 expression.
Yali Zhang1, Yanni Ma1, Guixian Wu1
1Department of Hematology, Southwest Hospital, Army Medical University (Third Military Medical University), Chongqing, China.
Cell Death Discovery
|July 27, 2021
Summary
SUMO specific protease 1 (SENP1) is upregulated in mantle cell lymphoma (MCL). Inhibiting SENP1 reduces MCL cell proliferation and tumor growth, suggesting SENP1 as a potential therapeutic target for this aggressive cancer.
Area of Science:
- Oncology
- Molecular Biology
- Biochemistry
Background:
- Mantle cell lymphoma (MCL) is an aggressive B-cell malignancy with challenging treatment options.
- Understanding MCL pathogenesis is crucial for developing effective targeted therapies.
- SUMOylation and deSUMOylation, regulated by SUMO specific proteases (SENPs), play roles in cellular processes relevant to cancer.
Purpose of the Study:
- To investigate the role of SENP1 in the pathogenesis of MCL.
- To determine if SENP1 could be a potential therapeutic target for MCL.
Main Methods:
- Analysis of SENP1 expression in MCL patient samples and cell lines.
- In vitro knockdown of SENP1 in MCL cells to assess proliferation and apoptosis.
- Investigation of the JAK-STAT5 pathway and SOCS2 expression following SENP1 knockdown.
- In vivo studies using a xenograft nude mouse model to evaluate the effect of SENP1 knockdown on MCL tumor growth.
Main Results:
- SENP1 was found to be upregulated in MCL patient samples and cell lines.
- SENP1 knockdown inhibited MCL cell proliferation and induced apoptosis.
- SENP1 knockdown led to the inhibition of the JAK-STAT5 pathway and upregulation of SOCS2.
- In vivo knockdown of SENP1 significantly suppressed MCL tumor growth in a xenograft mouse model.
Conclusions:
- SENP1 is implicated in the pathogenesis of mantle cell lymphoma.
- SENP1 plays a role in regulating MCL cell proliferation, apoptosis, and tumor growth.
- SENP1 represents a potential therapeutic target for mantle cell lymphoma.
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