Related Experiment Video

Updated: Aug 19, 2026

Senescence Detection Using Reflected Light in Adipose Stromal Vascular Fraction
10:08

Senescence Detection Using Reflected Light in Adipose Stromal Vascular Fraction

Published on: June 5, 2026

AK050834 Deficiency Prevents Vascular Aging via Opposite Regulation of Two Senescence-Sensitive Genes ATF3 and p21

Haoran Wu1, Ping Yang1, Yang Liu2

  • 1Department of Cardiology, Key Laboratory of Medical Electrophysiology, Ministry of Education, Nucleic Acid Medicine of Luzhou Key Laboratory, Institute of Cardiovascular Research, Basic Medicine Research Innovation Center for Cardiometabolic Diseases, Ministry of Education, The Affiliated Hospital, Southwest Medical University, Luzhou, Sichuan, China.

Aging Cell
|August 18, 2026
PubMed

Insights

Vascular aging involves complex protein interactions. This study identifies a long non-coding RNA, AK050834, as a key regulator of vascular cell senescence and aging, offering potential therapeutic targets.

Area of Science:

  • Vascular Biology
  • Aging Research
  • Molecular Biology

Background:

  • Vascular aging is a complex process driven by cellular senescence and involving both anti-aging and pro-aging proteins.
  • Long non-coding RNAs (lncRNAs) are emerging as potential therapeutic targets due to their ability to regulate multiple protein targets.
  • The role of the conserved lncRNA AK050834 in vascular biology and aging remains largely unexplored.

Purpose of the Study:

  • To investigate the role of lncRNA AK050834 in vascular smooth muscle cell (VSMC) senescence and vascular aging.
  • To elucidate the molecular mechanisms by which AK050834 influences vascular aging.
  • To evaluate the therapeutic potential of targeting AK050834 for vascular aging.

Main Methods:

  • Expression analysis of AK050834 in vascular tissues and VSMCs.
  • Gain-of-function, loss-of-function, and gene knockout studies to assess AK050834's regulatory role.
  • Mechanism studies involving promoter interaction, mRNA stabilization, and in vivo mouse models.

Main Results:

  • AK050834 expression is significantly increased in aged vessels and VSMCs.
  • AK050834 acts as a potent regulator of VSMC senescence and vascular aging.
  • AK050834 suppresses anti-aging protein ATF3 by interacting with its promoter and enhances pro-aging protein p21 by stabilizing its mRNA.
  • AK050834 deficiency prevents vascular aging in vivo in mice.

Conclusions:

  • AK050834 plays a critical role in regulating vascular aging through dual modulation of ATF3 and p21.
  • AK050834 represents a promising diagnostic marker and a potential therapeutic target for vascular aging and related diseases.
Keywords:
AK050834lncRNAsenescencesmooth muscle cellsvascular aging

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