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Published on: November 3, 2014
Snake Venoms in Cancer Therapy: Past, Present and Future
Li Li1, Jianzhong Huang2, Yao Lin3
1Engineering Research Center of Industrial Microbiology, College of Life Sciences, Fujian Normal University, Fuzhou 350117, China. lili@fjnu.edu.cn.
Abstract:
Cancer is one of the leading causes of morbidity and mortality worldwide, and the discovery of new drugs for cancer therapy is one of the most important objectives for the pharmaceutical industry. Snake venoms are complex mixtures containing different peptides, proteins, enzymes, carbohydrates and other bioactive molecules, which are secreted by the snake in the predation or defending against threats. Understanding the snake venoms may turn the toxins into a valuable source of new lead compounds in drug discovery. Captopril, the first angiotensin-converting enzyme inhibitor approved in 1981 by FDA, was designed based on the structure of a peptide isolated from the snake venom. The earliest reports about snake venoms used in cancer treatments appeared in the 1930s. Since then, numerous studies on the activities, isolations, purifications and structure elucidations of the components from snake venoms were published. The comprehensive structural and functional investigations of snake venoms would contribute to the development of novel anti-cancer drugs. Our review will focus on the past, present and the future of the studies on snake venoms in cancer target therapy.
Insights
Snake venoms, complex natural toxins, offer a promising source for novel anti-cancer drug discovery. Research into these compounds could lead to new targeted cancer therapies.
Area of Science:
- Biochemistry
- Pharmacology
- Toxicology
Background:
- Cancer remains a major global health challenge, driving the urgent need for innovative therapeutic strategies.
- Snake venoms are intricate biological cocktails containing diverse bioactive molecules with potential medicinal applications.
- Historically, snake venom components have inspired drug development, exemplified by captopril, an angiotensin-converting enzyme inhibitor.
Purpose of the Study:
- To review the historical, current, and future research on snake venoms for cancer target therapy.
- To explore the potential of snake venom components as lead compounds for novel anti-cancer drug discovery.
- To highlight the significance of structural and functional investigations of snake venoms in developing new cancer treatments.
Main Methods:
- Literature review of studies on snake venoms and their application in cancer therapy.
- Analysis of research on the isolation, purification, and structural elucidation of snake venom components.
- Examination of the documented activities of snake venom molecules relevant to cancer treatment.
Main Results:
- Snake venoms have been investigated for cancer treatment since the 1930s.
- Numerous studies have identified and characterized bioactive components within snake venoms.
- The structural and functional understanding of venom components is crucial for drug development.
Conclusions:
- Snake venoms represent a valuable, largely untapped resource for the discovery of novel anti-cancer agents.
- Continued comprehensive research into snake venom composition and activity is essential for advancing targeted cancer therapy.
- Translating venom research into clinical applications holds significant promise for future cancer treatment paradigms.
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