a16z Podcast

Degrading Drugs for Problem Proteins: Journal Club now on Bio Eats World (ep 2)

Sep 27, 2020
Discover the groundbreaking world of protein degradation, where innovative drugs tackle previously undruggable extracellular proteins. Learn about LYTACs, the new-class drugs that effectively send disease-related proteins to the cellular trash. Delve into the challenges of traditional pharmacology and how advanced modalities like PROTACs are changing the landscape. The hosts discuss the evolution of therapeutic antibodies and their enhanced capabilities in treating serious conditions like liver fibrosis and Alzheimer's.
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INSIGHT

Conventional Drug Mechanism

  • Conventional drugs work by binding to a target protein and blocking its function.
  • This is called occupancy-driven pharmacology.
INSIGHT

PROTACs: Protein Degradation

  • PROTACs are a new type of drug that degrades proteins instead of just blocking them.
  • They mark proteins for destruction by the proteasome, the cell's 'meat grinder'.
INSIGHT

Limitations of PROTACs and the Rise of LYTACs

  • PROTACs are limited to intracellular proteins.
  • LYTACs, developed by Carolyn Bertozzi's lab, target extracellular proteins for degradation.
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