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MR Molecular Imaging of Prostate Cancer with a Small Molecular CLT1 Peptide Targeted Contrast Agent
Published on: September 3, 2013
New agents for prostatic cancer activated specifically by prostatic acid phosphatase
Summary
New cytotoxic compounds (spindle poisons) targeting prostatic carcinoma were designed using prostatic acid phosphatase (PAP) substrates. Modifications to colchicine and thiocolchicine structures yielded novel compounds with preliminary toxicity and specificity data reported.
Area of Science:
- Medicinal Chemistry
- Pharmacology
- Oncology
Background:
- Prostatic carcinoma treatment requires novel cytotoxic agents.
- Spindle poisons are a class of compounds with potential anticancer activity.
- Prostatic acid phosphatase (PAP) is a target for drug design in prostate cancer.
Purpose of the Study:
- To design and synthesize potential cytotoxic compounds for prostatic carcinoma treatment.
- To utilize the structural requirements of prostatic acid phosphatase (PAP) substrates in drug design.
- To explore modifications of colchicine and thiocolchicine structures.
Main Methods:
- Chemical synthesis of modified colchicine and thiocolchicine derivatives.
- Preparation of colchiceinamides, ethanolamines, ethanolaminephosphates, and thiocolchicine O-phosphates.
- Evaluation of compound specificity toward PAP.
- Assessment of compound toxicity in mice.
- Preliminary in vivo examination of a selected compound in stumptail monkeys.
Main Results:
- Several new series of compounds, including colchiceinamides and thiocolchicine derivatives, were synthesized.
- One thiocolchicine O-phosphate was examined for PAP specificity.
- Toxicity data for the synthesized compounds in mice were reported.
- Preliminary results from stumptail monkey studies of colchiceinamide-(L)-ephedrinephosphate are available.
Conclusions:
- Novel cytotoxic compounds based on colchicine and thiocolchicine scaffolds were successfully designed and synthesized.
- The synthesized compounds show potential for prostatic carcinoma treatment.
- Further investigation into the specificity, toxicity, and efficacy of these compounds is warranted.
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