Abstract: There are over 200 distinct forms of cancer, and all are diagnosed and treated differently. According to the WHO Global Cancer Observatory, 19,292,789 cases new cases of cancer were diagnosed in 2020, with breast (11.7% cases), lung (11.4%), and Colorectum (10% cases) becoming the three most common. Lung cancer is one of the most often diagnosed malignancies and the biggest cause of cancer-related deaths globally, with an estimated 220 million new cases and 179 million deaths every year. It is extremely invasive, quickly spreading, and cause death in both sexes. In light of both core genetic abnormalities and therapy response, lung cancer is a highly diverse ailment. WDR74 protein predominantly controls WNT signaling pathways in lung cancer. Wnt-responsive genes such as c-myc and cyclin D1 have been linked to cell proliferation, whereas caspase 3, caspase 9, and MDR1 have been linked to chemo-resistance and death. WDR74 had regulatory impacts on these genes. In lung cancer cells, WDR74 influenced several biological processes in lung cancer cells by modulating these genes. Abnormal activation of the Wnt/-catenin signalling pathway promotes a number of cellular functions such as proliferation, cell cycle progression, aggressiveness, and chemoresistance, specifically in Lung cancer. Our study uses local alignment to establish WDR74 sequence similarity, and then uses multiple sequence alignment to compare homologous sequences. We then used software to scan the sequence for open reading frames (ORFs) to see if WDR74 had main mutations. The study's findings include a brief summary of the top five protein matches from well-studied reference species in the database, as well as a graphical summary and phylogenetic tree development. The study also suggested the open reading frame with the primary mutation, as well as the start and stop codon positions. Keyword: Lung cancer, WDR74, ORF, Local alignment, Multiple sequence alignment, BLAST, CLUSTAL OMEGA, COBALT, SMART BLAST.
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