IGFBP-1 is associated with IRS signaling upregulation and contributes to metabolic recovery post-Roux-en-Y bypass - Takeaways - MDSpire

IGFBP-1 is associated with IRS signaling upregulation and contributes to metabolic recovery post-Roux-en-Y bypass

  • By

  • Tengfei Qi

  • Ru Ji

  • Liangping Wu

  • Jipei He

  • Hongbin Zhang

  • Zhengyong Xie

  • July 16, 2026

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  • 1

    Increased IGFBP-1 levels after Roux-en-Y gastric bypass (RYGB) are linked to the upregulation of IRS-1 and downstream signaling components.

  • 2

    RYGB significantly improved body weight, fasting blood glucose, and HOMA-IR in wild-type mice, indicating enhanced metabolic recovery.

  • 3

    Histomorphometric analysis showed RYGB reversed multi-organ pathological changes in wild-type mice, but effects were limited in IGFBP-1 knockout mice.

  • 4

    The study utilized wild-type and IGFBP-1 knockout mice to assess the role of IGFBP-1 in metabolic signaling post-surgery.

  • 5

    Elevated IGFBP-1 is necessary for complete normalization of glucose homeostasis and multi-tissue repair following RYGB.

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