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Rapid Detection of Neurodevelopmental Phenotypes in Human Neural Precursor Cells NPCs
Published on: March 2, 2018
Neural precursor cell-expressed developmentally down-regulated 4-like: a new biomarker in the pathophysiology of
Ercan Yilmaz1, Mehmet Gul2, Rauf Melekoglu1
11 Obstetrics and Gynecology Department, Inonu University Medicine Faculty, Malatya, Turkey.
Abstract:
Objectives Endometrial cancer is the most frequent tumor of the female genital tract. Ubiquitin is a small protein (8.5 kDa) found in all eukaryotic cells, binds to substrate proteins via a three-phase enzymatic pathway referred to as ubiquitination and plays an important role in cellular stability. Neural precursor cell-expressed developmentally down-regulated 4-like (NEDD4L) functions in the last phase of this enzymatic process. In this study, we investigated NEDD4L protein expression in endometrial cancer. Methods The study participants were divided into patients with benign endometrial pathologies (Group 1, n = 23), patients with endometrial hyperplasia (Group 2, n = 21) and patients with endometrial cancer (Group 3, n = 20). NEDD4L expression was detected by immunohistochemical staining and H scores were calculated to standardize staining intensity. Statistical analysis was performed using SPSS 16.0. Results NEDD4L expression levels according to H scores were significantly lower in patients diagnosed with endometrial cancer compared with those with benign endometrial pathologies. Conclusion NEDD4L is involved in maintaining cell stability, and reduced NEDD4L expression as a result of gene mutation may disrupt this balance in favor of tumorigenesis.
Insights
Neural precursor cell-expressed developmentally down-regulated 4-like (NEDD4L) protein expression is significantly lower in endometrial cancer patients. Reduced NEDD4L may disrupt cellular stability, contributing to tumor development.
Area of Science:
- Oncology
- Molecular Biology
- Cellular Biology
Background:
- Endometrial cancer is the most common female genital tract tumor.
- Ubiquitin and ubiquitination are crucial for cellular stability.
- Neural precursor cell-expressed developmentally down-regulated 4-like (NEDD4L) is involved in the ubiquitination pathway.
Purpose of the Study:
- To investigate Neural precursor cell-expressed developmentally down-regulated 4-like (NEDD4L) protein expression in endometrial cancer.
- To compare NEDD4L expression in endometrial cancer, hyperplasia, and benign conditions.
Main Methods:
- Immunohistochemical staining was used to detect NEDD4L expression.
- H scores were calculated to quantify staining intensity.
- Statistical analysis was performed on patient groups: benign pathologies (n=23), hyperplasia (n=21), and cancer (n=20).
Main Results:
- NEDD4L protein expression levels, measured by H scores, were significantly lower in endometrial cancer patients.
- A notable decrease in NEDD4L expression was observed in the cancer group compared to the benign pathology group.
Conclusions:
- NEDD4L plays a role in maintaining cellular stability.
- Reduced NEDD4L expression, potentially due to gene mutation, may impair cellular stability and promote endometrial tumorigenesis.
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