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. 2022 Sep 13;12:977933. doi: 10.3389/fonc.2022.977933

Figure 1.

Figure 1

Structural organization of HPV with early and late proteins. E proteins are non-structural and have a role in viral genome duplication and expression although the L proteins form the capsid of the intact virion. In cervical cancer, these proteins activate the oncogenes to activate telomerase, inducing abnormal centrosome duplication by the inactivation of p53 and retinoblastoma (Rb) tumor suppressor genes.