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宫颈癌中灾难性 HPV/HIV 双重病毒致癌基因组学与失调的可变剪接协同作用。

The Catastrophic HPV/HIV Dual Viral Oncogenomics in Concert with Dysregulated Alternative Splicing in Cervical Cancer.

机构信息

SAMRC Precision Oncology Research Unit (PORU), Pan African Cancer Research Institute (PACRI), University of Pretoria, Pretoria 0028, South Africa.

3rd Department of Medicine, National and Kapodistrian University of Athens, 15772 Athens, Greece.

出版信息

Int J Mol Sci. 2021 Sep 18;22(18):10115. doi: 10.3390/ijms221810115.

Abstract

Cervical cancer is a public health problem and has devastating effects in low-to-middle-income countries (LTMICs) such as the sub-Saharan African (SSA) countries. Infection by the human papillomavirus (HPV) is the main cause of cervical cancer. HIV positive women have higher HPV prevalence and cervical cancer incidence than their HIV negative counterparts do. Concurrent HPV/HIV infection is catastrophic, particularly to African women due to the high prevalence of HIV infections. Although various studies show a relationship between HPV, HIV and cervical cancer, there is still a gap in the knowledge concerning the precise nature of this tripartite association. Firstly, most studies show the relationship between HPV and cervical cancer at genomic and epigenetic levels, while the transcriptomic landscape of this relationship remains to be elucidated. Even though many studies have shown HPV/HIV dual viral pathogenesis, the dual molecular oncoviral effects on the development of cervical cancer remains largely uncertain. Furthermore, the effect of highly active antiretroviral therapy (HAART) on the cellular splicing machinery is unclear. Emerging evidence indicates the vital role played by host splicing events in both HPV and HIV infection in the development and progression to cervical cancer. Therefore, decoding the transcriptome landscape of this tripartite relationship holds promising therapeutic potential. This review will focus on the link between cellular splicing machinery, HPV, HIV infection and the aberrant alternative splicing events that take place in HIV/HPV-associated cervical cancer. Finally, we will investigate how these aberrant splicing events can be targeted for the development of new therapeutic strategies against HPV/HIV-associated cervical cancer.

摘要

宫颈癌是一个公共卫生问题,在中低收入国家(LMICs),如撒哈拉以南非洲(SSA)国家,造成了破坏性的影响。人乳头瘤病毒(HPV)感染是宫颈癌的主要原因。与 HIV 阴性者相比,HIV 阳性妇女 HPV 感染率和宫颈癌发病率更高。同时感染 HPV 和 HIV 是灾难性的,特别是对非洲妇女来说,因为 HIV 感染的高流行率。尽管各种研究表明 HPV、HIV 和宫颈癌之间存在关联,但对于这种三方关联的确切性质,仍存在知识上的差距。首先,大多数研究表明 HPV 与宫颈癌在基因组和表观遗传水平上存在关联,而这种关联的转录组景观仍有待阐明。尽管许多研究表明 HPV/HIV 双重病毒发病机制,但 HPV/HIV 双重分子致癌作用对宫颈癌发展的影响在很大程度上仍不确定。此外,高效抗逆转录病毒疗法(HAART)对细胞剪接机制的影响尚不清楚。新出现的证据表明,宿主剪接事件在 HPV 和 HIV 感染导致宫颈癌发展和进展中发挥着重要作用。因此,解码这种三方关系的转录组景观具有很大的治疗潜力。这篇综述将重点关注细胞剪接机制、HPV、HIV 感染以及在 HIV/HPV 相关宫颈癌中发生的异常可变剪接事件之间的联系。最后,我们将研究如何针对 HPV/HIV 相关宫颈癌开发新的治疗策略来靶向这些异常剪接事件。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e539/8472041/e1ac49abc333/ijms-22-10115-g001.jpg

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