Related Experiment Video

Updated: Aug 15, 2026

Clinicopathological Analysis of miRNA Expression in Breast Cancer Tissues by Using miRNA In Situ Hybridization
06:01

Clinicopathological Analysis of miRNA Expression in Breast Cancer Tissues by Using miRNA In Situ Hybridization

Published on: June 7, 2016

[Detection of MDM 2 and p 53 genes in rhabdomyosarcoma by in situ hybridization]

R Lai1, Z Wang, X Zhe

  • 1Department of Pathology, Guangzhou General Hospital of PIA, Guangzhou 510010.

Zhonghua Bing Li Xue Za Zhi = Chinese Journal of Pathology
|March 14, 2001
PubMed
Abstract

Insights

MDM2 and p53 gene detection is valuable for assessing rhabdomyosarcoma (RMS) malignancy. These markers correlate with tumor differentiation, metastasis, and patient survival, aiding in prognosis prediction.

Area of Science:

  • Oncology
  • Molecular Biology
  • Genetics

Background:

  • Rhabdomyosarcoma (RMS) is a significant pediatric soft tissue sarcoma.
  • Understanding the molecular basis of RMS pathogenesis and prognosis is crucial for effective treatment.

Purpose of the Study:

  • To investigate the correlation between MDM2 and p53 gene expression and the clinicopathological features and prognosis of RMS.
  • To evaluate the utility of MDM2 and p53 as biomarkers in RMS.

Main Methods:

  • In situ hybridization with digoxigenin labeling was used to detect MDM2 and p53 genes in 31 RMS cases.
  • Clinicopathological data and follow-up information were collected for all cases.

Main Results:

  • MDM2 and p53 genes were detected in 77.4% and 66.7% of RMS cases, respectively.
  • Positive rates and intensity of MDM2 and p53 showed significant differences based on tumor differentiation, metastatic status, and patient survival (P < 0.05).
  • No significant correlation was observed with age, sex, or histological subtype.

Conclusions:

  • MDM2 and p53 gene detection is a valuable tool for assessing the malignant degree of RMS.
  • These genetic markers can aid in predicting metastasis and patient prognosis in RMS.
  • Further research can explore therapeutic strategies targeting MDM2 and p53 pathways in RMS.

More Related Videos

Robust Detection of Gene Amplification in Formalin-Fixed Paraffin-Embedded Samples by Fluorescence In Situ Hybridization03:55

Robust Detection of Gene Amplification in Formalin-Fixed Paraffin-Embedded Samples by Fluorescence In Situ Hybridization

Published on: July 12, 2024

MicroRNA Amplification and Recognition through Locked-nucleic-acid In situ Hybridization as a Novel Detection and Quantification Method09:06

MicroRNA Amplification and Recognition through Locked-nucleic-acid In situ Hybridization as a Novel Detection and Quantification Method

Published on: October 7, 2025

Related Concept Videos

In-situ Hybridization02:31

In-situ Hybridization

In situ hybridization (ISH) is a technique used to detect and localize specific DNA or RNA molecules in cells, tissue, or tissue sections using a labeled probe. The technique was first used in 1969 for the investigation of nucleic acids. It is currently an essential tool in scientific research and clinical settings, especially for diagnostic purposes.
Types of probes and labels
A probe is a complementary strand of DNA or RNA that binds to corresponding nucleotide sequences in a cell. Many...
Abnormal Proliferation02:23

Abnormal Proliferation

Under normal conditions, most adult cells remain in a non-proliferative state unless stimulated by internal or external factors to replace lost cells. Abnormal cell proliferation is a condition in which the cell's growth exceeds and is uncoordinated with normal cells. In such situations, cell division persists in the same excessive manner even after cessation of the stimuli, leading to persistent tumors. The tumor arises from the damaged cells that replicate to pass the damage to the daughter...