News summary

IGF‐1/SLC25A33 Maintains Blood‐Labyrinth Barrier Integrity by Suppressing TGF‐β/Smad2‐Mediated Pericyte Activation in Age‐Related Hearing Loss

Source: Aging Cell • Published: 29 Sept 2026, 13:15

Summarized by Masters of Longevity from Aging Cell.

Age-related hearing loss research article examining how IGF‑1 and a mitochondrial carrier support blood–labyrinth barrier health; invites readers curious about mechanisms preserving auditory microvascular stability.

IGF‐1/SLC25A33 Maintains Blood‐Labyrinth Barrier Integrity by Suppressing TGF‐β/Smad2‐Mediated Pericyte Activation in Age‐Related Hearing Loss
Key Takeaways
  • IGF‑1 and SLC25A33 jointly maintain blood–labyrinth barrier integrity by inhibiting TGF‑β/Smad2 mediated pericyte activation.
  • Pericyte activation via TGF‑β/Smad2 is implicated as a mechanistic contributor to age‑related hearing loss in the study.
  • Modulating IGF‑1 or SLC25A33 signaling altered barrier integrity and pericyte activation in the reported experimental models.
Read the full article at Aging Cell ↗

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