Mitosis-related protein in dividing cancer cell

Mitosis-related proteins in dividing cancer cells refer collectively to a diverse group of molecular factors that orchestrate the process of cell division. These include enzymes such as kinases (Aurora kinases, Polo-like kinases), structural components involved in spindle formation and chromosome movement, transcription factors regulating expression of key cell cycle genes, and other regulatory molecules like PRC1 and Ect2. Many are specifically active during the mitotic phase and are essential for accurate chromosome segregation and completion of cytokinesis. Their dysregulation is closely linked with oncogenesis through the generation of chromosomal instability (aneuploidy), a hallmark feature observed in many cancers. Because these proteins are often overexpressed or mutated only in rapidly dividing cells—such as those found within tumors—they have become important therapeutic targets. Drugs targeting these molecules include anti-microtubule agents like taxanes/vinca alkaloids that disrupt spindle function; small molecule inhibitors against specific kinesins; farnesyl transferase inhibitors; histone deacetylase inhibitors; among others. However, challenges remain regarding specificity for cancer versus normal proliferating tissues and the risk that incomplete killing can select for more aggressive aneuploid clones.[1][3][2] Note: The term "Mitosis-related proteins" is not a single canonical target but rather refers to a broad class/family encompassing multiple distinct molecular entities involved in the regulation/execution of mitosis.[3] For structured data purposes it would be preferable to specify individual targets within this group when possible.

Other names

Mitotic proteinMitotic regulatorCell cycle mitosis proteinSpindle assembly proteinChromosome segregation factor

– Inhibition of microtubule dynamics to block spindle formation or function[1][2] – Inhibition of mitotic kinases to disrupt chromosome alignment/segregation or cytokinesis[3] – Disruption of post-translational modifications affecting apoptosis during mitosis[2]