Related Experiment Video
Updated: Jan 29, 2026

Driving Under the Influence: How Music Listening Affects Driving Behaviors
Published on: March 27, 2019
Hippo Signaling in the Lung: A Tale of Two Effectors-Yap Drives Airway Fate and Taz Drives Alveolar Differentiation
Rachel Warren1, Stijn P J De Langhe1,2
1Department of Medicine, Division of Pulmonary and Critical Medicine, Mayo Clinic, Rochester, MN 55905, USA.
Abstract:
The mammalian lung operates under a biological paradox, requiring architectural fragility for gas exchange while maintaining robust regenerative plasticity to withstand injury. The Hippo signaling pathway has emerged as a central "rheostat" in orchestrating these opposing needs, yet the distinct roles of its downstream effectors remain underappreciated. This review synthesizes recent genetic and mechanobiological advances to propose a "Tale of Two Effectors" model, arguing for the functional non-redundancy of YAP and TAZ. We posit that YAP functions to drive airway progenitor expansion, mechanical force generation, and maladaptive remodeling. Conversely, TAZ-regulated uniquely via transcriptional mechanisms and mechanotransduction-acts as an obligate driver of alveolar differentiation and adaptive repair through an NKX2-1 feed-forward loop. Furthermore, we introduce the "See-Saw" model of tissue fitness, where mesenchymal niche collapse releases the mechanical brake on the epithelium, triggering the bronchiolization characteristic of pulmonary fibrosis. Finally, we extend this framework to malignancy, illustrating how Small Cell Lung Cancer (SCLC) subtypes mirror these developmental and regenerative states. This integrated framework offers new therapeutic distinct targets for modulating tissue fitness and resolving fibrosis.
Related Concept Videos
Energy to Drive Translocation
Generally, polypeptides are unfolded by two distinct...
M-Cdk Drives Transition Into Mitosis
Cyclin-dependent kinases, or Cdks, work in concert with cyclins to control cell cycle transitions. M-Cdk, a complex of Cdk1 bound to M cyclin, is a well-known example of this coordinated control that drives the transition from the G2 to the M phase.
M cyclin...
Drive-Reduction Theory: Push Theory of Motivation
Fates of Pyruvate
In aerobic organisms, pyruvate is metabolized via the citric acid cycle to produce reduced coenzymes NADH and FADH2. These coenzymes are then oxidized in the electron transport chain to produce ATP and, in the process, regenerate the NAD+ and FAD. As seen in some cell types and organisms, fermentation...
Yeast Signaling
Alveoli and Alveolar Ducts

