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Related Experiment Video

Updated: Apr 28, 2026

Mechanism of Kemeng Fang's Inhibition of Podocyte Apoptosis in Rats with Membranous Nephropathy through the PI3K/AKT Signaling Pathway
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Gp130-dependent signaling in the podocyte.

Yoshikuni Nagayama1, Gerald S Braun2, Christina M Jakobs3

  • 1Division of Nephrology and Immunology, RWTH Aachen University, Aachen Germany; Division of Nephrology, Showa University Fujigaoka Hospital, Yokohama, Japan.

American Journal of Physiology. Renal Physiology
|June 6, 2014
PubMed
Summary

Interleukin-6 (IL-6) signaling via gp130 in kidney podocytes is not essential for disease development in mouse models. Podocyte-specific gp130 deletion did not alter injury responses in LPS or nephrotoxic serum models.

Keywords:
crescentic nephritisglomerulusgp130lipopolysaccharidepSTAT3

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Area of Science:

  • Nephrology
  • Immunology
  • Molecular Biology

Background:

  • Glomerular inflammation often involves elevated Interleukin-6 (IL-6) levels.
  • The role of IL-6 signaling in glomerular podocytes, crucial for kidney function and disease, remains unclear in vivo.

Purpose of the Study:

  • To investigate the in vivo relevance of IL-6/gp130 signaling in podocytes during kidney injury.

Main Methods:

  • Generated mice with podocyte-specific deletion of gp130 (a key IL-6 family receptor subunit).
  • Assessed podocyte IL-6 signaling via STAT3 phosphorylation.
  • Utilized LPS and nephrotoxic serum models to induce kidney injury.

Main Results:

  • Podocytes express gp130 and exhibit STAT3 phosphorylation upon IL-6 stimulation.
  • Podocyte-specific gp130 deficient mice showed no spontaneous renal pathology.
  • Deletion of podocyte gp130 did not alter disease severity in LPS-induced or crescentic nephritis models.

Conclusions:

  • gp130-mediated IL-6 family signaling in podocytes is not critical for the development of major glomerular pathologies in the tested mouse models.
  • Podocyte IL-6 signaling does not play a significant role in acute kidney injury responses investigated.