miR-181a Targeting of GRK2 in Cardiomyocytes: Molecular Biology Research Document

A research document detailing the post-transcriptional regulation of G protein-coupled receptor kinase 2 (GRK2) by microRNA-181a in cardiomyocytes. The study, authored by Heidi Cho and shared under a CC-BY-4.0 license, includes methods such as miRNA microarray profiling, luciferase assays, and cellular stress experiments in mouse and rat models. The file was last updated on April 22, 2026.

Use Cases

• Study miRNA targeting mechanisms based on the described luciferase reporter assays and bioinformatic predictions.
• Investigate maladaptive signaling in heart failure based on the described assessments of GRK2 expression, hypertrophic remodeling, and cAMP signaling.
• Validate potential therapeutic targets for cardiac pathology based on the described functional outcomes of miR-181a overexpression and inhibition.

Strengths

• Document is shared under a permissive CC-BY-4.0 license, allowing for reuse and redistribution.
• The description provides a detailed methodological account of the experimental validation process.

Limitations

• The dataset is a 14.4 MB DOCX file; the underlying data tables, column definitions, and row counts are not specified.
• The description metadata is limited; actual data quality and structure require manual inspection after download.

Provenance

Source

figshare

Collection Method

The description indicates data was generated via experimental methods including miRNA microarray profiling, bioinformatic analysis, luciferase reporter assays, and cellular stress experiments in neonatal rat ventricular myocytes.

Time Range

The study timeframe is not explicitly stated in the provided metadata.

Freshness

Last updated 2026-04-22 05:46:16; freshness should be verified.

Geography

The geographic scope of the data collection is not specified.