Drug discovery and epithelial physiology

Area of Science:

• Biochemistry
• Molecular Biology
• Physiology

Background:

• Small molecules are crucial tools for chemical genetics and drug discovery.
• The NIH emphasizes small-molecule discovery in cellular and in-vivo systems.
• Epithelial transport physiology benefits from small-molecule research tools.

Purpose of the Study:

• To explain the small-molecule discovery process for academic researchers.
• To highlight advances and directions in epithelial transport physiology.
• To emphasize the utility of small molecules in academic research settings.

Main Methods:

• Target identification and validation.
• Screening chemical compound libraries for activity.
• Evaluating and optimizing active compounds.

Main Results:

• Renal epithelial physiology offers numerous targets for small-molecule discovery.
• Advances in modulating epithelial chloride channels (CFTR, ClC) have been reported.
• Small-molecule discovery in epithelial biology is an emerging field.

Conclusions:

• Small-molecule screening is achievable in academic settings.
• This method can elucidate gene function and regulatory pathways.
• It aids in identifying drug candidates for rare or commercially unattractive diseases.
• Rapid chemical modulation offers advantages over gene deletion studies.