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Published on: January 12, 2020
CNDP2 Acts as an Activator for Human Ovarian Cancer Growth and Metastasis via the PI3K/AKT Pathway
Li Q Zhang1, Hua Q Yang1, Su Q Yang1
1Department of Gynecology, Taizhou Central Hospital, Taizhou, China.
Introduction:
The mechanism of tumorigenesis and metastasis of ovarian cancer has not yet been elucidated. This study aimed to investigate the role and molecular mechanism of cytosolic nonspecific dipeptidase 2 in tumorigenesis and metastasis.
Methods:
Cytosolic nonspecific dipeptidase 2 expression in human ovarian cancer tissues and cell lines was assessed with methyl thiazolyl tetrazolium (MTT), clone formation, and transwell assays performed to evaluate the ability of ovarian cancer cells to proliferate and migrate. Nude mice tumor formation experiments were also performed by subcutaneously injecting cells with stable cytosolic nonspecific dipeptidase 2 knockdown and control SKOV3 cells into BALB/c female nude mice to detect changes in PI3K/AKT pathway-related proteins by Western blotting.
Results:
Cytosolic nonspecific dipeptidase 2 was highly expressed in human ovarian cancer tissues, with its expression associated with pathological data, including ovarian cancer metastasis. A cytosolic nonspecific dipeptidase 2 stable knockdown or ectopic expression ovarian cancer cell model was established and demonstrated that cytosolic nonspecific dipeptidase 2 could promote the proliferation of ovarian cancer cells. Transwell cell migration and invasion assays confirmed that cytosolic nonspecific dipeptidase 2 enhanced cell metastasis in ovarian cancer. Furthermore, in vivo xenograft experiments demonstrated that cytosolic nonspecific dipeptidase 2 can promote the development and progression of ovarian cancer, increasing the expression of phosphorylated PI3K and AKT.
Conclusions:
Cytosolic nonspecific dipeptidase 2 promotes the occurrence and development of ovarian cancer through the PI3K/AKT signaling pathway.
Insights
Cytosolic nonspecific dipeptidase 2 promotes ovarian cancer growth and metastasis by activating the PI3K/AKT pathway. This enzyme is highly expressed in ovarian tumors and drives cancer progression.
Area of Science:
- Oncology
- Molecular Biology
- Biochemistry
Background:
- The mechanisms of ovarian cancer tumorigenesis and metastasis remain incompletely understood.
- Identifying key molecular players is crucial for developing targeted therapies.
Purpose of the Study:
- To investigate the role of cytosolic nonspecific dipeptidase 2 in ovarian cancer.
- To elucidate the molecular mechanisms underlying its involvement in tumorigenesis and metastasis.
Main Methods:
- Assessed cytosolic nonspecific dipeptidase 2 expression in ovarian cancer tissues and cell lines.
- Utilized MTT, clone formation, and Transwell assays to evaluate cell proliferation and migration.
- Conducted *in vivo* xenograft experiments and Western blotting to analyze PI3K/AKT pathway activation.
Main Results:
- Cytosolic nonspecific dipeptidase 2 is highly expressed in ovarian cancer tissues and correlates with metastasis.
- Overexpression of cytosolic nonspecific dipeptidase 2 promotes ovarian cancer cell proliferation, migration, and invasion.
- Inhibition of cytosolic nonspecific dipeptidase 2 reduces tumor development and progression *in vivo*.
- Elevated cytosolic nonspecific dipeptidase 2 expression increases phosphorylated PI3K and AKT levels.
Conclusions:
- Cytosolic nonspecific dipeptidase 2 significantly promotes ovarian cancer occurrence and development.
- The PI3K/AKT signaling pathway is a key mediator of cytosolic nonspecific dipeptidase 2's oncogenic functions in ovarian cancer.
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