在侵袭性染细胞瘤和膜瘤中的遗传和分子生物标志物
Francesca Torresan1, Clelia Iacobone2, Francesco Giorgino2
1Endocrine Surgery Unit, Department of Surgery, Oncology and Gastroenterology, University of Padova, 35128 Padova, Italy.
International journal of molecular sciences
|July 13, 2024
概括
预测罕见的甲基荷胺产生瘤 (神经红细胞瘤和神经瘤) 的攻击性行为仍然具有挑战性. 遗传和分子标记物对预后有希望,但由于瘤稀有,需要进一步验证.
科学领域:
- 内分泌学和瘤学的内分泌学和瘤学.
- 分子病理学分子病理学
- 新生体的遗传学
背景情况:
- 乳色细胞瘤和偏角细胞瘤 (PPGLs) 是一种罕见的神经内分泌瘤,具有不可预测的转移潜力.
- 目前的诊断评分系统无法准确预测PPGL的攻击性行为或转移风险.
- 由于无法在诊断时可靠地评估恶性瘤风险,因此需要终身的患者随访.
研究的目的:
- 审查目前对PPGLs攻击性行为的预后因素的理解.
- 探索基因和分子标记器在预测PPGL攻击性和转移方面的潜力.
- 为了突出验证这些标志物的挑战,由于PPGLs的稀有性.
主要方法:
- 关于与PPGL行为相关的遗传和分子标记物的最新研究的综述.
- 分析涉及的分子途径,包括克雷布斯循环变化 (SDHx,烟酸酸酶) 和激酶级联.
- 讨论由于这些罕见瘤的发病率低而导致临床验证的挑战.
主要成果:
- SDHx和 fumarate hydratase中的突变与通过缺氧通路激活的攻击性PPGL行为有关.
- 在酶级联 (集群2) 中发生突变的PPGL通常表现出不那么积极的行为.
- 遗传和分子标记物显示出有希望的结果,但需要进一步评估临床意义.
结论:
- 识别瘤发生途径对于开发转移性PPGL的向治疗至关重要.
- 分子标志物为改善风险分层提供了潜力,但由于研究的局限性,验证受到阻碍.
- 需要进一步的研究来确定PPGL攻击性的可靠分子预测因素.
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