The LINC00094/miR-19a-3p signalling regulates glycolysis and mediates cold induced traumatic brain injury

Divya Mishra1, Rashi Saxena2, Deepak2

  • 1Cell Death Research Laboratory, Endocrinology Division, CSIR-Central Drug Research Institute, B.S. 10/1, Sector-10, Jankipuram Extension, Sitapur road, Lucknow, Uttar Pradesh, 226031, India.

PubMed

Insights

Cold induced traumatic brain injury (Ci-TBI) involves metabolic changes. This study reveals LINC00094/miR-19a-3p signaling regulates glycolysis in Ci-TBI, offering potential diagnostic biomarkers.

Area of Science:

  • Neuroscience
  • Molecular Biology
  • Biochemistry

Background:

  • Cold induced traumatic brain injury (Ci-TBI) is a severe condition with few treatments.
  • Metabolic dysfunction, particularly altered glycolysis, is a key feature of Ci-TBI.

Purpose of the Study:

  • To investigate the molecular mechanisms regulating glycolysis in Ci-TBI.
  • To identify potential biomarkers for Ci-TBI progression.

Main Methods:

  • In vitro and in vivo models of Ci-TBI were utilized.
  • Mechanistic studies explored the roles of long noncoding RNA LINC00094 and miR-19a-3p.
  • Expression levels and regulatory interactions were analyzed.

Main Results:

  • Ci-TBI induction downregulated LINC00094 in both in vitro and in vivo models.
  • LINC00094 inhibited miR-19a-3p, which in turn targeted and inhibited adiponectin receptor 2 (AdipoR2).
  • This cascade repressed glycolysis, glucose uptake, and lactate production.

Conclusions:

  • The LINC00094/miR-19a-3p signaling pathway is crucial for regulating glycolysis in Ci-TBI.
  • LINC00094 and miR-19a-3p show promise as prognostic and diagnostic biomarkers for Ci-TBI.