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Research progress in the application of bile acid-drug conjugates: A "trojan horse" strategy
Kelu Lei1, Minghao Yuan1, Tao Zhou1
1State Key Laboratory of Characteristic Chinese Medicine Resources in Southwest China, School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, China.
Abstract:
Bile acid transporters are highly expressed in intestinal cells and hepatocytes, and they determine the uptake of drugs in cells by modulating cellular entry and exit. In order to improve the oral bioavailability of drugs and investigate the potential application prospects of drugs used to target cancer, numerous studies have adopted these transporters to identify prodrug strategies. Through the connection of covalent bonds between drugs and bile acids, the resulting bile acid-drug conjugates continue to be recognized as similar to natural unmodified bile acid and is translocated by the transporter. The present mini-review provides a brief summary of recent progress of the application of bile acid-drug conjugates based primarily on ASBT, NTCP, and OATP, with the hope of contributing to subsequent research.
Insights
Bile acid-drug conjugates leverage bile acid transporters to enhance drug delivery and oral bioavailability. This strategy shows promise for cancer drug development by improving cellular uptake.
Area of Science:
- Pharmacology
- Drug Delivery
- Biochemistry
Background:
- Bile acid transporters are crucial for drug uptake in intestinal cells and hepatocytes.
- Prodrug strategies using bile acids aim to improve oral bioavailability and cancer drug targeting.
- Bile acid-drug conjugates mimic natural bile acids for transporter recognition.
Purpose of the Study:
- To review recent advancements in bile acid-drug conjugate applications.
- To highlight the role of ASBT, NTCP, and OATP transporters in this strategy.
- To explore the potential of bile acid-drug conjugates in cancer therapy.
Main Methods:
- Conjugation of drugs to bile acids via covalent bonds.
- Utilizing bile acid transporters (ASBT, NTCP, OATP) for drug translocation.
- Reviewing existing literature on bile acid-drug conjugate applications.
Main Results:
- Bile acid-drug conjugates are effectively recognized and transported by specific bile acid transporters.
- This approach enhances cellular entry and exit of conjugated drugs.
- Demonstrated potential for improving oral bioavailability of various drugs.
Conclusions:
- Bile acid-drug conjugates represent a promising strategy for enhancing drug delivery and oral bioavailability.
- Targeting bile acid transporters offers a viable route for developing novel cancer therapeutics.
- Further research into bile acid-drug conjugates is warranted for broader pharmaceutical applications.
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