[Targeting the TGF-β pathway in pulmonary fibrosis: Is it still a relevant strategy?]

L Biziorek1, M Dériot1, P Bonniaud2

  • 1Université Bourgogne Europe, INSERM U1231 Center for Translational and Molecular Medicine (CTM), UFR des Sciences de Santé, Dijon, France.

Insights

Idiopathic pulmonary fibrosis (IPF) is a fatal lung disease. This review details transforming growth factor-beta (TGF-β) signaling pathways and potential therapeutic targets for new IPF treatments.

Area of Science:

  • Pulmonary Medicine
  • Cellular Biology
  • Molecular Signaling

Background:

  • Idiopathic pulmonary fibrosis (IPF) is a progressive, fatal lung disease with limited curative options.
  • Transforming growth factor-beta (TGF-β) is a key cytokine driving fibrotic processes.
  • TGF-β signaling pathways are complex, involving receptor activation and intracellular cascades.

Purpose of the Study:

  • To review regulatory checkpoints in TGF-β signaling.
  • To present therapeutic strategies and targets for pulmonary fibrosis.
  • To explore the development of novel treatments for IPF.

Main Methods:

  • Literature review of scientific publications.
  • Analysis of TGF-β signaling pathways.
  • Identification of potential therapeutic targets and strategies.

Main Results:

  • Detailed summary of TGF-β signaling regulation.
  • Identification of key molecular targets within the TGF-β pathway.
  • Overview of emerging therapeutic strategies for fibrosis.

Conclusions:

  • Understanding TGF-β signaling is critical for IPF treatment development.
  • Targeting specific points in the TGF-β pathway offers therapeutic potential.
  • Further research into these targets may lead to effective IPF therapies.

Related Concept Videos

TGF - β Signaling Pathway01:16

TGF - β Signaling Pathway

The TGF-β signaling pathway regulates cell growth, differentiation, adhesion, motility, and development. TGF-β ligands that induce TGF-β signaling are synthesized in their latent form. Several proteases or cell surface receptors such as integrins act upon the latent form, releasing the active ligand. There are three types of mammalian TGF-βs: (TGF-β1, TGF-β2, and TGF-β3) that bind as homodimers or heterodimers to TGF-β receptors. The TGF-β receptors...
7.2K
Introduction to Fibroblasts01:09

Introduction to Fibroblasts

Rudolph Virchow discovered spindle-shaped cells called fibroblasts in 1858. Inactive fibroblasts, called fibrocytes, become activated by various stimuli, such as growth factors and inflammatory cytokines. Activated fibroblasts play a crucial role in wound healing, inflammation, formation of new blood vessels, and cancer progression. Uncontrolled activation of fibroblasts results in fibrosis, the excess deposition of fibrous tissue, which can lead to scarring and affect normal organs. This...
3.0K
Regulation of Angiogenesis and Blood Supply01:24

Regulation of Angiogenesis and Blood Supply

Rapidly dividing tumors, embryos, and wounded tissues require more oxygen than usual, lowering the oxygen concentration in the blood. At low oxygen or hypoxic conditions, an oxygen-sensitive transcription factor called the hypoxia-inducible factor 1 or HIF1 is activated. HIF1 is a dimeric protein of alpha (ɑ) and beta (β) subunits.  Under optimal oxygen conditions, HIF1β is present in the nucleus while HIF1ɑ remains in the cytosol. HIF1ɑ is hydroxylated by prolyl...
2.5K
NF-κB-dependent Signaling Pathway02:26

NF-κB-dependent Signaling Pathway

The transcription factor NF-κB was discovered in 1986 in the lab of Nobel laureate Professor David Baltimore, for its interaction with the immunoglobulin light chain enhancer in B-cells. After more than three decades of study, it is now evident that NF-κB regulates the expression of over 100 genes. Most of these genes play an essential role in the innate and adaptive immune responses as well as the inflammatory responses of animals.
NF-κB-dependent Signaling Mechanism
The...
7.2K
Transducer Mechanism: Enzyme-Linked Receptors01:27

Transducer Mechanism: Enzyme-Linked Receptors

Enzyme-linked receptors are cell-surface receptors acting as an enzyme or associating with an enzyme intracellularly. They make excellent drug targets. Drugs can bind to the extracellular ligand-binding domain or directly affect their enzymatic domain and alter their activity.
Major types that are helpful drug targets include:
2.3K