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Related Experiment Video

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Visualization, Quantification, and Mapping of Immune Cell Populations in the Tumor Microenvironment

Visualization, Quantification, and Mapping of Immune Cell Populations in the Tumor Microenvironment

Published on: March 25, 2020

[Integration sites in HCC biopsy].

Lan-tian Wang¹, Bao-hua Zhu, Bo-ping Zhou

¹The Surgical Department of The First Clinical College of GuangDong Medical College, ZhanJiang 524023, China.

Zhonghua Shi Yan He Lin Chuang Bing Du Xue Za Zhi = Zhonghua Shiyan He Linchuang Bingduxue Zazhi = Chinese Journal of Experimental and Clinical Virology

|February 2, 2011

Summary

This summary is machine-generated.

Inverse-PCR (IPCR) reliably identified Hepatitis B Virus (HBV) DNA integration sites in hepatocellular carcinoma (HCC) tissue, outperforming Alu-PCR and Cassette-ligation-mediated PCR (CLM-PCR). This finding is crucial for understanding HBV-related liver cancer development.

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Multiplex Immunofluorescence Combined with Spatial Image Analysis for the Clinical and Biological Assessment of the Tumor Microenvironment

Multiplex Immunofluorescence Combined with Spatial Image Analysis for the Clinical and Biological Assessment of the Tumor Microenvironment

Published on: June 2, 2023

Area of Science:

Molecular Biology
Hepatology
Oncology

Background:

Hepatocellular carcinoma (HCC) is a major global health concern, often linked to Hepatitis B Virus (HBV) infection.
Identifying HBV DNA integration sites is critical for understanding viral oncogenesis and developing targeted therapies.

Purpose of the Study:

To evaluate and compare the efficacy of three distinct PCR-based methods for identifying HBV DNA integration sites.
The methods compared were Inverse-PCR (IPCR), Alu-PCR, and Cassette-ligation-mediated PCR (CLM-PCR).

Main Methods:

Genomic DNA was extracted from an HCC biopsy of an HBsAg-positive patient.
Specific primers were designed to amplify HBV DNA integration regions using IPCR, Alu-PCR, and CLM-PCR.
PCR products were analyzed via electrophoresis, cloned, sequenced, and aligned using BLAST software.

Main Results:

IPCR yielded 7 bands and 22 sequencing results, successfully identifying 3 HBV DNA integration sites.
Alu-PCR generated 12 bands and 32 sequencing results, while CLM-PCR produced 12 bands and 4 sequencing results.
Crucially, no integration sites were identified using Alu-PCR or CLM-PCR in this study.

Conclusions:

IPCR demonstrated superior reliability and performance in identifying HBV DNA integration sites compared to Alu-PCR and CLM-PCR.
These findings highlight IPCR as a valuable tool for research into HBV-associated HCC.