Quinone compounds are versatile molecules with significant biological
importance and have therapeutic potential in medicine. This chapter provides a
comprehensive overview of quinones, beginning with their definition, historical
background, and chemical structure. It explores their diverse roles in biological
systems, including their involvement in cellular respiration, enzymatic reactions as cofactors, and their function as endogenous compounds. Mechanistically, quinones
employ their effects through redox properties, electron transfer processes, and
interactions with cellular components such as proteins, lipids, and DNA.
Therapeutically, quinones are pragmatic for their anti-cancer, antimicrobial, antiinflammatory, and antioxidant properties. Key drugs like doxorubicin and mitomycin C
exemplify their efficacy in cancer treatment, while other quinones serve as
antimicrobial agents against bacteria, fungi, and viruses. Challenges in drug
development, including toxicity and stability issues, are addressed alongside strategies
to mitigate these concerns. Case studies and clinical trial data underscore the clinical
relevance of quinone-based therapies. Looking forward, future research opportunities
include exploring novel quinone derivatives, integrating quinones in combination
therapies, and advancing drug delivery systems to enhance their efficacy and safety
profiles. The chapter concludes by emphasizing the significant role of quinone
compounds in modern medicine and outlining potential breakthroughs that may further
expand their therapeutic applications.
Keywords: Anthraquinones, Benzoquinones, Doxorubicin, Mitomycin, Naphthoquinones, Quinones, Reactive oxygen species, Vitamin K, Ubiquinone.
