Abstract
Abstract Cervical cancer is a major public health problem and one of the leading gynecological cancers in developing nations. Reports from Nigeria, the largest black nation in the world by population, show that the national incidence of cervical cancer is 250/100,000. We sought to evaluate the relationship between cervical cancer associated genes and human papilloma viruses from rural Africans in Zaria, Nigeria using immunohistochemistry and molecular phylogenetics. Selected cervical cancer associated genes sequences which include Ki-67 (NM_002417.4), p53 (AB082923.1), EGFR (NM_005228.3), MYC (M25803.1), KRAS (EF471957.1), TGF-B (AF254794.1) and RB (AH002963.2) genes and HPV 16 (KJ869425.1 E6 and E7 variants), HPV 18 (KJ869426.1), HPV 45 (S40261.1), HPV 6 (A25369.1), HPV 11 (J04351.1), HPV 31 (KJ869427.1) and HPV 33 (KJ869428.1) sequences were retrieved from the gene bank data base. The sequences were aligned and bootstrap at 2000 bp to create a molecular phylogenetic tree. Haematoxylin and Eosin together with immunohistochemistry were performed on fifty formalin-fixed paraffin-embedded (FFPE) tissue blocks using Anti- Ki-67, p53, EGFR, MYC, KRAS, TGF-B and RB monoclonal antibodies. Result from the phylogenetic analysis reveals trichotomized tree showing apparent significant evolutionary relationship between cladogram of HPV16 and MYC; HPV18, HPV6 and KRAS genes; EGFR gene and HPV45. Immunohistochemistry results show multivariate expression of Ki-67, p53, EGFR, MYC, KRAS, TGF-B and RB of proteins from the cervical cancer tissue blocks used. Combination of Ki-67 biomarker and other cervical cancer associated genes together with HPV subtypes-genotyping can serve as useful instruments in proper management of the disease. Citation Format: John Idoko, Mohammed Faruk, Jigo Dangude Yaro, James Oluwa Enemari, Peter Akpulu. The relationship between cervical cancer associated genes and human papilloma viruses in rural Africans in Zaria [abstract]. In: Proceedings of the AACR International Conference: New Frontiers in Cancer Research; 2017 Jan 18-22; Cape Town, South Africa. Philadelphia (PA): AACR; Cancer Res 2017;77(22 Suppl):Abstract nr A15.
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