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We provide evidence that tumor cells can induce apoptosis of NK cells by engaging the natural cytotoxicity receptors (NCR) NKp30, NKp44, and NKp46. Indeed, the binding between NCR on NK cells and their putative ligands on tumor target cells led to NK cell apoptosis, and this event was abolished by blocking NCR/NCR-ligand interaction...

Systemic sclerosis (SSc) is a complex disease characterized by immune dysregulation, extensive vascular damage and widespread fibrosis. Human leucocyte antigen-G (HLA-G) is a non-classic class I major histocompatibility complex (MHC) molecule characterized by complex immunomodulating properties. HLA-G is expressed on the membrane of different...

Soluble HLA class I (sHLA-I) molecules can regulate survival of NK cells and their antitumor killing activity. Herein, we have analysed whether interaction of sHLA-I with CD8 and/or different isoforms of killer Ig-like receptors (KIR) induced secretion of transforming growth factor (TGF)-beta 1. CD8(+)KIR(-) NK cell clones secreted TGF-beta 1...

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The objective is to detect any possible correlation between the modified Rodnan skin score (mRSS) and dermal thickness (DT) measured by skin high-frequency ultrasound (US) and the percentage of circulating fibrocytes in patients with limited cutaneous systemic sclerosis (lcSSc). Eight lcSSc patients and five healthy subjects (control group,...