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MRC2 Promotes Proliferation and Inhibits Apoptosis of Diabetic Nephropathy

Lanlan Li1, Xin Chen1, Henglu Zhang1

  • 1Department of Endocrinology and Metabolism, The Affiliated Huai'an No. 1 People's Hospital of Nanjing Medical University, Huai'an, Jiangsu 223300, China.

Analytical Cellular Pathology (Amsterdam)
|May 20, 2021
PubMed

Insights

Diabetic nephropathy (DN) involves kidney damage. Researchers found that blocking Type 2 mannose receptor C (MRC2) reduced kidney cell proliferation and increased apoptosis, suggesting MRC2 as a potential therapeutic target for DN.

Area of Science:

  • Nephrology
  • Molecular Biology
  • Endocrinology

Background:

  • Diabetic nephropathy (DN) is a major complication of diabetes, leading to end-stage renal disease.
  • Type 2 mannose receptor C (MRC2) is implicated in cell migration and invasion pathways.
  • MRC2 expression is elevated in DN kidney tissues, but its specific role remains undefined.

Purpose of the Study:

  • To investigate the functional role of MRC2 in diabetic nephropathy.
  • To determine if MRC2 influences the proliferation and apoptosis of mouse mesangial cells (MMCs).

Main Methods:

  • Complementary DNA (cDNA) chip screening identified upregulated MRC2 in DN kidneys.
  • Quantitative real-time polymerase chain reaction (qRT-PCR) and western blotting validated MRC2 expression.
  • Small interfering RNAs (siRNAs) were used to knockdown MRC2 in MMCs.
  • Cell Counting Kit-8 assay, western blotting, and flow cytometry assessed MMC proliferation and apoptosis.

Main Results:

  • MRC2 knockdown significantly inhibited proliferation in mouse mesangial cells.
  • Reduced MRC2 expression induced apoptosis in MMCs.
  • Validated upregulation of MRC2 in DN models.

Conclusions:

  • MRC2 plays a critical role in promoting cell proliferation and inhibiting apoptosis in the context of diabetic nephropathy.
  • MRC2 represents a potential molecular marker and therapeutic target for DN treatment.

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