Increased interaction with insulin receptor substrate 1, a novel abnormality in insulin resistance and type 2 diabetes

Michael Caruso, Danjun Ma, Zaher Msallaty, Monique Lewis, Berhane Seyoum, Wissam Al-Janabi, Michael Diamond, Abdul B. Abou-Samra, Kurt Højlund, Rebecca Tagett, Sorin Draghici, Xiangmin Zhang, Jeffrey F. Horowitz, Zhengping Yi

Research output: Contribution to journalArticle

26 Citations (Scopus)

Abstract

Insulin receptor substrate 1 (IRS1) is a key mediator of insulin signal transduction. Perturbations involving IRS1 complexes may lead to the development of insulin resistance and type 2 diabetes (T2D). Surprisingly little is known about the proteins that interact with IRS1 in humans under health and disease conditions. We used a proteomic approach to assess IRS1 interaction partners in skeletal muscle from lean healthy control subjects (LCs), obese insulin-resistant nondiabetic control subjects (OCs), and participants with T2D before and after insulin infusion. We identified 113 novel endogenous IRS1 interaction partners, which represents the largest IRS1 interactome in humans and provides new targets for studies of IRS1 complexes in various diseases. Furthermore, we generated the first global picture of IRS1 interaction partners in LCs, and how they differ in OCs and T2D patients. Interestingly, dozens of proteins in OCs and/or T2D patients exhibited increased associations with IRS1 compared with LCs under the basal and/or insulin-stimulated conditions, revealing multiple new dysfunctional IRS1 pathways in OCs and T2D patients. This novel abnormality, increased interaction of multiple proteins with IRS1 in obesity and T2D in humans, provides new insights into the molecular mechanism of insulin resistance and identifies new targets for T2D drug development.

Original languageEnglish (US)
Pages (from-to)1933-1947
Number of pages15
JournalDiabetes
Volume63
Issue number6
DOIs
StatePublished - Jun 2014

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Insulin Receptor Substrate Proteins
Type 2 Diabetes Mellitus
Insulin Resistance
Insulin
Proteomics
Signal Transduction
Healthy Volunteers
Skeletal Muscle
Proteins
Obesity

ASJC Scopus subject areas

  • Internal Medicine
  • Endocrinology, Diabetes and Metabolism

Cite this

Caruso, M., Ma, D., Msallaty, Z., Lewis, M., Seyoum, B., Al-Janabi, W., ... Yi, Z. (2014). Increased interaction with insulin receptor substrate 1, a novel abnormality in insulin resistance and type 2 diabetes. Diabetes, 63(6), 1933-1947. https://doi.org/10.2337/db13-1872

Increased interaction with insulin receptor substrate 1, a novel abnormality in insulin resistance and type 2 diabetes. / Caruso, Michael; Ma, Danjun; Msallaty, Zaher; Lewis, Monique; Seyoum, Berhane; Al-Janabi, Wissam; Diamond, Michael; Abou-Samra, Abdul B.; Højlund, Kurt; Tagett, Rebecca; Draghici, Sorin; Zhang, Xiangmin; Horowitz, Jeffrey F.; Yi, Zhengping.

In: Diabetes, Vol. 63, No. 6, 06.2014, p. 1933-1947.

Research output: Contribution to journalArticle

Caruso, M, Ma, D, Msallaty, Z, Lewis, M, Seyoum, B, Al-Janabi, W, Diamond, M, Abou-Samra, AB, Højlund, K, Tagett, R, Draghici, S, Zhang, X, Horowitz, JF & Yi, Z 2014, 'Increased interaction with insulin receptor substrate 1, a novel abnormality in insulin resistance and type 2 diabetes', Diabetes, vol. 63, no. 6, pp. 1933-1947. https://doi.org/10.2337/db13-1872
Caruso, Michael ; Ma, Danjun ; Msallaty, Zaher ; Lewis, Monique ; Seyoum, Berhane ; Al-Janabi, Wissam ; Diamond, Michael ; Abou-Samra, Abdul B. ; Højlund, Kurt ; Tagett, Rebecca ; Draghici, Sorin ; Zhang, Xiangmin ; Horowitz, Jeffrey F. ; Yi, Zhengping. / Increased interaction with insulin receptor substrate 1, a novel abnormality in insulin resistance and type 2 diabetes. In: Diabetes. 2014 ; Vol. 63, No. 6. pp. 1933-1947.
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