新型真菌病原体加氏隐球菌:流行病学、发病机制、免疫调节特性及药物敏感性

The emerging fungal pathogen Cryptococcus gattii: Epidemiology, pathogenesis, immunomodulatory attributes, and drug susceptibility.

作者信息

Cao Chengjun

机构信息

College of Pharmaceutical Sciences, Southwest University, Chongqing, China.

出版信息

PLoS Negl Trop Dis. 2025 Jul 3;19(7):e0013245. doi: 10.1371/journal.pntd.0013245. eCollection 2025 Jul.

Abstract

The emerging fungal pathogen, Cryptococcus gattii, causes infections in both immunocompromised and immunocompetent individuals, often resulting in high mortality rates. While Cryptococcus neoformans is predominantly associated with cryptococcosis in immunocompromised patients, the significance of C. gattii infections has garnered attention due to its prevalence among seemingly healthy individuals. Notably, C. gattii exhibits distinct epidemiological patterns, geographic distribution, genotypes, and phenotypes compared to C. neoformans. However, the comprehension of C. gattii's virulence characteristics, regulatory mechanisms, and therapeutic avenues has lagged behind those of C. neoformans. The less robust clinical and epidemiological data, coupled with the limitations of effective treatment options, underscore the urgency in addressing C. gattii as a serious public health threat. In this review, I discuss the epidemiology, virulence factors, regulatory mechanisms, immunomodulatory attributes, and drug susceptibility of C. gattii. This comprehensive discussion aims to enhance our understanding of this emerging fungal pathogen and potentially contribute to the development of more effective prevention and management strategies.

摘要

新兴真菌病原体加氏隐球菌可导致免疫功能低下和免疫功能正常的个体感染,常导致高死亡率。虽然新型隐球菌主要与免疫功能低下患者的隐球菌病相关,但加氏隐球菌感染的重要性因其在看似健康个体中的流行而受到关注。值得注意的是,与新型隐球菌相比,加氏隐球菌表现出不同的流行病学模式、地理分布、基因型和表型。然而,对加氏隐球菌毒力特征、调控机制和治疗途径的理解落后于新型隐球菌。临床和流行病学数据不够充分,加上有效治疗选择的局限性,凸显了将加氏隐球菌作为严重公共卫生威胁加以应对的紧迫性。在本综述中,我将讨论加氏隐球菌的流行病学、毒力因子、调控机制、免疫调节特性和药物敏感性。这一全面的讨论旨在增进我们对这种新兴真菌病原体的理解,并有可能有助于制定更有效的预防和管理策略。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/bf7d/12225788/1d301b3a270f/pntd.0013245.g001.jpg

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