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Anti-cancer Drug Camptothecin

Anti-cancer Drug Camptothecin mind map 
Recent News
Indian Institute of Technology Research
IIT Madras
IIT Mandi
Nothapodytes nimmoniana
Increased Camptothecin production
Sustainable source identification
Microbial fermentation process
From Camptotheca acuminata
Topoisomerase I inhibitor
Treats various cancers
Ovarian, Cervical, Colon
Pancreatic, Lung, Breast
Prostate, Brain
Poor solubility
Inactivity under physiological conditions
Blocks DNA topoisomerase 1
Attenuates cancer cell replication
Active lactone form
Binds DNA topoisomerase I cleavage complex
Wide-spectrum anti-tumor activity
Development of soluble analogues
Irinotecan, Topotecan
9-Aminocamptothecin, GI 147211C
Novel mechanism of action
Low solubility
Significant toxicity
Tumor cell resistance
Development of nanomedicines
Improved pharmacokinetic profiles
Pharmacodynamic profiles
Way Forward
Development of combination regimens
Pursuit of randomized trials
Focus on specific cancers
Colorectal cancer
Non-small-cell lung cancer
Small-cell lung cancer
Ovarian carcinoma
Preclinical insights
Efficacy, Schedule dependency
Combination strategies
Resistance mechanisms

Camptothecin is a potent anti-cancer drug derived from the Chinese tree, Camptotheca acuminata. It functions as a topoisomerase I inhibitor, blocking the enzyme crucial for DNA replication in cancer cells. This drug has shown effectiveness against various cancers, including ovarian, cervical, colon, and lung cancers. However, its clinical use has been limited due to issues like poor solubility and toxicity. Recent developments, particularly in India, include the enhanced production of camptothecin through metabolic engineering and the identification of sustainable sources, addressing some of these challenges. Researchers have also developed more soluble and less toxic analogues like irinotecan and topotecan. The future of camptothecin involves developing combination therapies, conducting more clinical trials, and improving its pharmacokinetic and pharmacodynamic profiles, particularly through nanomedicine.

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