根据其甲基化状态,诊断算法将非典型的尖型瘤分为低风险和高风险的亚分类
Jose Francisco González-Muñoz1, Beatriz Sánchez-Sendra1, Carlos Monteagudo1,2
1Skin Cancer Research Group, Biomedical Research Institute INCLIVA, 46010 Valencia, Spain.
International journal of molecular sciences
|January 11, 2024
概括
新的表观遗传标记器可以准确诊断皮肤形瘤. 这种基于甲基化的算法可以区分Spitz nevi (SN) 和Spitzoid黑色素瘤 (SM),并对非典型的Spitzoid瘤 (AST) 进行风险分层,以进行个性化治疗.
科学领域:
- 皮肤病理学 皮肤病理学
- 表观遗传学 在表观遗传学中,表观遗传学是指表观遗传学.
- 基因组学就是基因组学.
背景情况:
- 目前用于皮肤状瘤的诊断方法,特别是非典型的状瘤 (AST),对于准确的临床和治疗决策是不够的.
- 迫切需要可靠的生物标志物来评估恶性瘤潜力并指导个性化治疗策略.
研究的目的:
- 确定全基因组新型甲基化标记物,以改善斯皮茨瘤 (SN),斯皮茨瘤黑色素瘤 (SM) 和AST的诊断和风险分层.
- 开发一种预测性表观遗传算法,用于评估AST的恶性潜力.
主要方法:
- 在SN,SM和AST的队列上使用减少表示二硫酸盐测序 (RRBS) 进行全基因组甲基化分析.
- 基于七个特定的CG位点的甲基化状态的诊断算法的开发.
主要成果:
- 使用TETK4P2,MYO1D和PMF1-BGLAP中的七个cg位的甲基化数据建立了一个表观遗传算法.
- 该算法成功地区分了SN和SM.
- 该算法有效地根据甲基化相似性与SN或SM对AST进行分类,从而预测风险和临床结果.
结论:
- 开发的表观遗传算法为诊断和分类皮肤形瘤提供了一种可靠和可重复的方法.
- 该工具有助于预测AST的个体恶性潜力,使得量身定制的治疗方法成为可能.
- 表观遗传学概况提供了一个有前途的途径,以推进形瘤的管理.
相关概念视频
Classification of Epithelial Tissues: Stratified Epithelium
Stratified epithelium consists of several stacked layers of cells. They provide the durability to withstand constant physical and chemical attacks. Stratified epithelium is named after the shape of the most apical layer of cells. Stratified squamous epithelium is the most common type found in the human body. In this tissue, the apical cells are squamous, whereas the basal layer contains either columnar or cuboidal cells. The basal cells divide to form new daughter cells, which gradually become...
Skin Cancer
Skin cancer is a type of cancer that occurs when there is an abnormal growth of skin cells, usually triggered by damage to the DNA within the skin cells. It is primarily caused by exposure to ultraviolet (UV) radiation from the sun or artificial sources like tanning beds. Skin cancer is the most common type of cancer worldwide, and its incidence continues to rise.
Basal Cell Carcinoma (BCC): BCC is the most common type of skin cancer, accounting for about 80% of cases. It typically develops in...
Basal Cell Carcinoma (BCC): BCC is the most common type of skin cancer, accounting for about 80% of cases. It typically develops in...
Comparing the Survival Analysis of Two or More Groups
Survival analysis is a cornerstone of medical research, used to evaluate the time until an event of interest occurs, such as death, disease recurrence, or recovery. Unlike standard statistical methods, survival analysis is particularly adept at handling censored data—instances where the event has not occurred for some participants by the end of the study or remains unobserved. To address these unique challenges, specialized techniques like the Kaplan-Meier estimator, log-rank test, and Cox...
Cancer Survival Analysis
Cancer survival analysis focuses on quantifying and interpreting the time from a key starting point, such as diagnosis or the initiation of treatment, to a specific endpoint, such as remission or death. This analysis provides critical insights into treatment effectiveness and factors that influence patient outcomes, helping to shape clinical decisions and guide prognostic evaluations. A cornerstone of oncology research, survival analysis tackles the challenges of skewed, non-normally...
Heart Failure IV: Classification and Diagnostic Evaluation
Heart failure can be classified in various ways, with the most common classifications based on physical activity limitations, disease progression, severity, and treatment strategies.The Functional Classification of Heart Failure divides patients into four categories based on physical activity limitation due to symptom burden.Class I: Patients in this class have cardiac disease but no physical activity limitations. Ordinary activities like walking, climbing stairs, or routine tasks do not cause...


