関連する実験動画

Updated: Jan 24, 2026

Candidate Gene Testing in Clinical Cohort Studies with Multiplexed Genotyping and Mass Spectrometry

Candidate Gene Testing in Clinical Cohort Studies with Multiplexed Genotyping and Mass Spectrometry

Published on: June 21, 2018

中国における子宮頸がんスクリーニングにおける拡張型HPVジェノタイピングの有用性：前向き人口ベースコホート研究

Kexin Yi^1,2, Jinyu Zhang^1,2, Hong Wang^1,2

¹Henan Office for Cancer Control and Research, The Affiliated Cancer Hospital of Zhengzhou University & Henan Cancer Hospital, Zhengzhou, Henan, China.

Frontiers in oncology

|January 23, 2026

要旨

Background:

Cervical cancer poses a substantial global health burden, particularly in China where it contributes substantially to incidence and mortality. Conventional HR-HPV screening tests primarily target HPV16/18, limiting efficacy in regions dominated by other oncogenic genotypes and underscoring the need for extended genotyping to refine risk-stratified approaches.

Methods:

This prospective cohort in Henan Province, China (2017-2020), enrolled 3,299 women aged 21-64 for baseline HR-HPV testing using an extended genotyping assay detecting 14 types and identifying HPV16/18/33/52/58. HR-HPV-positives were followed annually, negatives at year 3. Three-year cumulative CIN2+/CIN3+ risks, sensitivity, specificity, PPV, and NPV were computed independent of cytology.

Results:

Baseline HR-HPV positivity was 18.3%. Over 3 years, 98 CIN2+ and 60 CIN3+ cases were detected. Absolute CIN2+ risks was highest for HPV16 (32.8%), comparable for HPV18/33/58 (25-28%), with relative risks exceeding 96-fold compared to HR-HPV-negatives. Extended genotyping for HPV16/18/33/52/58 improved CIN2+/CIN3+ sensitivity to 55.1% and 60.0%, respectively (vs. 51.0% and 53.3% for HPV16/18), while maintaining specificities >93%.

Conclusions:

In Chinese women, non-16/18 high-risk genotypes exhibit risks comparable to HPV16/18, emphasizing the value of extended genotyping in enhancing risk-based screening sensitivity and efficiency in high-burden contexts.

キーワード:

中国子宮頸がんコホート拡張型HPVジェノタイピングスクリーニング

さらに関連する動画

Genotypic Inference of HIV-1 Tropism Using Population-based Sequencing of V3

Genotypic Inference of HIV-1 Tropism Using Population-based Sequencing of V3

Published on: December 27, 2010

Chromogenic In Situ Hybridization as a Tool for HPV-Related Head and Neck Cancer Diagnosis

Chromogenic In Situ Hybridization as a Tool for HPV-Related Head and Neck Cancer Diagnosis

Published on: June 14, 2019

関連する概念動画

What is Population Genetics?

What is Population Genetics?

A population is composed of members of the same species that simultaneously live and interact in the same area. When individuals in a population breed, they pass down their genes to their offspring. Many of these genes are polymorphic, meaning that they occur in multiple variants. Such variations of a gene are referred to as alleles. The collective set of all the alleles within a population is known as the gene pool.

Conservation of Small Populations

Conservation of Small Populations

Small population sizes put a species at extreme risk of extinction due to a lack of variation, and a consequent decrease in adaptability. This weakens the chances of survival under pressures such as climate change, competition from other species, or new diseases. Large populations are more likely to survive pressures such as these, as such populations are more likely to harbor individuals that have genetic variants that are adaptive under new stresses. Small populations are much less...

Population Growth

Population Growth

Population size is dynamic, increasing with birth rates and immigration, and decreasing with death rates and emigration. In ideal conditions with unlimited resources, populations can increase exponentially, which plots as a J-shaped growth rate curve of population size against time. This type of curve is characteristic of newly-introduced invasive species, or populations that have suffered catastrophic declines and are rebounding.

What are Populations and Communities?

What are Populations and Communities?

Mouse Models of Cancer Study

Mouse Models of Cancer Study

Mice have long served as models for studying human biology and pathology because of their phylogenetic and physiological similarity with humans. They are also easy to maintain and breed in the laboratory, and hence, many inbred strains are now available for research. Studies on mice have contributed immeasurably to our understanding of cancer biology.
The development of transgenic, knockout, and knock-in mice has led to an exponential increase in their use as model organisms in research,...

Gravitational Potential Energy for Extended Objects

Gravitational Potential Energy for Extended Objects

Consider a system comprising several point masses. The coordinates of the center of mass for this system can be expressed as the summation of the product of each mass and its position vector divided by the total mass: