Cytochrome c as a central regulator of mitochondrial function in cancer metabolism

Cytochrome c (Cytc) becomes a crucial regulator, determining the fate of cells at the confluence of apoptosis and metabolism. From its primary origin as an electron transporter in the mitochondrial electron transport chain (ETC), Cytc has ascended to a crucial role in apoptosis, triggering cascades of cellular deathupon liberation from the mitochondria.The intricate interplay between Cytc and apoptosis protease-activating factor-1 (Apaf-1) culminates in the apoptosome formation and activation of the cascade of caspase, underscoring the significance of Cytc in regulating cell death pathways. Moreover, tale of Cytc is adorned with post-translational modifications, particularly phosphorylation, which fine-tune its functions in respiration and apoptosis, adding layers of complexity to its regulatory effectiveness. Cytc becomes a lighthouse in the intricate web of cancer, its expression patterns providing hints about prognosis and paths toward treatment. Nevertheless, the story becomes more complex as Cytc becomes entangled in the metabolic reprogramming of cancer cells, implying a crucial involvement in tumor progression and treatment resistance. Collectively, these findings highlight Cytc as a multifunctional regulator of cellular fate that integrates mitochondrial respiration, apoptotic signalling, and metabolic reprogramming, suggesting new opportunities for cancer diagnosis and therapeutic intervention. Even if progress has been made, the story of Cytc is far from over, demanding more investigation into its complexities and biological consequences related to cancer. It represents a therapeutic target in the fight against cancer considering its substantial role in tumor metabolism. It promises a future in which creative solutions to the challenges of cellular destiny will be found. In this review, we have tried to highlight the multidimensional realm of Cytc, connecting threads between apoptosis, metabolic reprogramming, and the Warburg effect in line with cancer.