Impaired NK-cell migration in WAS/XLT patients

Role of Cdc42/WASp pathway in the control of chemokine-induced β2 integrin high-affinity state

Helena Stabile, Claudia Carlino, Cinzia Mazza, Silvia Giliani, Stefania Morrone, Lucia D. Notarangelo, Luigi D. Notarangelo, Angela Santoni, Angela Gismondi

Research output: Contribution to journalArticle

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Abstract

We analyzed the involvement of Wiskott-Aldrich syndrome protein (WASp), a critical regulator of actin cytoskeleton remodeling, in the control of natural killer (NK)-cell migration. NK cells derived from patients with Wiskott-Aldrich syndrome/X-linked thrombocytopenia (WAS/XLT), carrying different mutations in the WASP coding gene, displayed reduced migration through intercellular adhesion molecule-1 (ICAM-1), vascular cell adhesion molecule-1 (VCAM-1), or endothelial cells in response to CXCL12/stromal cell-derived factor-1 and CX3CL1/fractalkine. Inhibition of WAS/XLT NK-cell migration was associated with reduced ability of these cells to up-regulate the expression of CD18 activation neoepitope and to adhere to ICAM-1 or VCAM-1 following chemokine stimulation. Moreover, chemokine receptor or β1or β2 integrin engagement on NK cells rapidly resulted in Cdc42 activation and WASp tyrosine phosphorylation as well as in WASp association with Fyn and Pyk-2 tyrosine kinases. NK-cell pretreatment with wiskostatin, to prevent Cdc42/WASp association, impaired chemokine-induced NKcell migration through ICAM-1 and β2 integrin activation-dependent neoepitope expression. These results show that the Cdc42/WASp pathway plays a crucial role in the regulation of NK-cell migration by acting as a critical component of the chemokine-induced inside-out signaling that regulates lymphocyte function-associated antigen-1 function and suggest that after integrin or chemokine receptor engagement WASp function is regulated by the coordinate action of both Cdc42 and tyrosine kinases.

Original languageEnglish
Pages (from-to)2818-2826
Number of pages9
JournalBlood
Volume115
Issue number14
DOIs
Publication statusPublished - Apr 8 2010

Fingerprint

Wiskott-Aldrich Syndrome Protein
Wiskott-Aldrich Syndrome
Chemokines
Integrins
Natural Killer Cells
Cell Movement
Intercellular Adhesion Molecule-1
Vascular Cell Adhesion Molecule-1
Chemokine Receptors
Chemical activation
TYK2 Kinase
Chemokine CX3CL1
Association reactions
Chemokine CXCL12
Lymphocyte Function-Associated Antigen-1
Phosphorylation
Endothelial cells
Actin Cytoskeleton
Protein-Tyrosine Kinases
Tyrosine

ASJC Scopus subject areas

  • Hematology
  • Biochemistry
  • Cell Biology
  • Immunology

Cite this

Stabile, H., Carlino, C., Mazza, C., Giliani, S., Morrone, S., Notarangelo, L. D., ... Gismondi, A. (2010). Impaired NK-cell migration in WAS/XLT patients: Role of Cdc42/WASp pathway in the control of chemokine-induced β2 integrin high-affinity state. Blood, 115(14), 2818-2826. https://doi.org/10.1182/blood-2009-07-235804

Impaired NK-cell migration in WAS/XLT patients : Role of Cdc42/WASp pathway in the control of chemokine-induced β2 integrin high-affinity state. / Stabile, Helena; Carlino, Claudia; Mazza, Cinzia; Giliani, Silvia; Morrone, Stefania; Notarangelo, Lucia D.; Notarangelo, Luigi D.; Santoni, Angela; Gismondi, Angela.

In: Blood, Vol. 115, No. 14, 08.04.2010, p. 2818-2826.

Research output: Contribution to journalArticle

Stabile, H, Carlino, C, Mazza, C, Giliani, S, Morrone, S, Notarangelo, LD, Notarangelo, LD, Santoni, A & Gismondi, A 2010, 'Impaired NK-cell migration in WAS/XLT patients: Role of Cdc42/WASp pathway in the control of chemokine-induced β2 integrin high-affinity state', Blood, vol. 115, no. 14, pp. 2818-2826. https://doi.org/10.1182/blood-2009-07-235804
Stabile, Helena ; Carlino, Claudia ; Mazza, Cinzia ; Giliani, Silvia ; Morrone, Stefania ; Notarangelo, Lucia D. ; Notarangelo, Luigi D. ; Santoni, Angela ; Gismondi, Angela. / Impaired NK-cell migration in WAS/XLT patients : Role of Cdc42/WASp pathway in the control of chemokine-induced β2 integrin high-affinity state. In: Blood. 2010 ; Vol. 115, No. 14. pp. 2818-2826.
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