PubMed · 7039047
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F Kissmeyer-Nielsen. 1981. The HLA system -- an overview.. https://pubmed.ncbi.nlm.nih.gov/7039047/
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The goal of this editorial is to revisit soluble human leukocyte antigens (sHLA) and to highlight the findings reported by Albitar et al. in this issue on the relation between sHLA levels in Non-Hodgkin's Lymphoma (NHL) and Hodgkin's Disease (HD). We will review key aspects of sHLA including soluble HLA-G, which has received a lot of attention in recent publications. We will then address the role of sHLA in lymphoproliferative diseases and in solid organ tumors. Lastly, we will comment on the results of Albitar et al. and their relevance to clinical application in NHL.
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Tumor growth and dissemination depend partly on the reactivity of natural killer (NK) cells and T cells expressing NK-associated receptors. Their effector functions are regulated by an array of activating and inhibitory cell surface receptors with MHC class I ligand specificity, such as the killer immunoglobulin-like receptors (KIRs). Given the extensive genomic diversity of KIRs and their HLA ligands, it is reasonable to speculate that HLA, KIR gene variations and specific KIR-ligand combinations will have an impact on disease susceptibility and/or progression. Here, we discuss how KIR genotypes and KIR/HLA immunogenetic profiles may be involved in tumorigenesis, especially in malignant melanoma (MM). A hypothetical model of the impact of KIR/ligand combinations on immune responses in MM is proposed.