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IL-3 Controls Tau Modifications and Protects Cortical Neurons From Neurodegeneration

IL-3 Controls Tau Modifications and Protects Cortical Neurons From Neurodegeneration

A Zambrano, C Otth, R B Maccioni, I I Concha

Curr Alzheimer Res. 2010 Nov;7(7):615-24.

PMID: 20964623

Abstract:

Interleukin-3 (IL-3) regulates the proliferation, survival and differentiation of haematopoietic cells via interaction with specific cell-surface receptors. IL-3 is expressed in several non-hematopoietic cell types. Studies have demonstrated the presence of IL-3 in the central nervous system, however, its physiological role in these cells is poorly understood. Previously we have been demonstrated that IL-3 prevents neuronal death induced by fibrillary β amyloid in these cells, by PI 3-kinase and Jak/STAT pathway activation. In this study, we demonstrated that IL-3 significantly reduced Aβ-promoted neurite degeneration and toxicity. Thus, this cytokine provides cellular protection against Aβ neurotoxicity in primary cortical neuronal cells, by modulating microtubular dynamics and prevention of tau cleavage and hyperphosphorylation. We also demonstrates that IL-3 is expressed in the "in vivo" mouse model of AD, Tg2576, which also expresses human AβPP with the Swedish mutation. In summary, these results suggest that IL-3 could play a neuroprotective role in AD.

Chemicals Related in the Paper:

Catalog Number	Product Name	Structure	CAS Number	Price
IAR42413270	IL-3 from mouse			Price

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