静默性促肾上腺皮质激素细胞腺瘤与库欣病的转化机制研究进展
Research Progress on the Transformation Mechanism of Silent Adrenocorticotropic Hormone Cell Adenoma and Cushing’s Disease
摘要: 静默性促肾上腺皮质激素细胞腺瘤(SCAs)是一类特殊类型的垂体神经内分泌肿瘤,临床上不表现出库欣综合征症状但具有ACTH免疫反应性。近年研究发现,这类肿瘤具有显著的侵袭性和高复发率特征,且部分病例可转化为功能性促肾上腺皮质激素腺瘤,导致库欣病。本文系统综述了SCAs的临床病理特征、分子遗传学改变、向功能性肿瘤转化的潜在机制及治疗策略。现有证据表明,SCAs与功能性促肾上腺皮质激素腺瘤在基因组不稳定性、USP8基因突变频率等方面存在显著差异,且转化过程可能涉及表观遗传调控改变、ER应激反应通路激活等分子机制。深入了解这类肿瘤的转化机制对临床预后评估和治疗选择具有重要意义。
Abstract: Silent corticotropin cell adenomas (SCAs) are a special type of pituitary neuroendocrine tumor that do not exhibit Cushing’s syndrome symptoms clinically but have ACTH immunoreactivity. In recent years, studies have found that this type of tumor has significant characteristics of invasiveness and a high recurrence rate, and some cases can transform into functional adrenocorticotropic hormone adenomas, leading to Cushing’s disease. This article systematically reviews the clinical and pathological characteristics, molecular genetic changes, potential mechanisms of functional tumor transformation, and treatment strategies of SCAs. Existing evidence suggests that there are significant differences between SCAs and functional adrenocorticotropic hormone adenomas in terms of genomic instability, USP8 gene mutation frequency, and the transformation process may involve molecular mechanisms such as epigenetic regulatory changes and activation of ER stress response pathways. A deep understanding of the transformation mechanism of such tumors is of great significance for clinical prognosis evaluation and treatment selection.
文章引用:鄢思凡, 胡继良. 静默性促肾上腺皮质激素细胞腺瘤与库欣病的转化机制研究进展[J]. 临床医学进展, 2025, 15(11): 93-99. https://doi.org/10.12677/acm.2025.15113070

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