| Literature DB >> 27766632 |
Aleksandra Gil-Krzewska1, Yousuke Murakami1, Giovanna Peruzzi1, Kevin J O'Brien2, Melissa A Merideth3, Andrew R Cullinane3,4, William A Gahl2,3, John E Coligan1, Bernadette R Gochuico2, Konrad Krzewski1.
Abstract
Hermansky-Pudlak syndrome (HPS) encompasses disorders with abnormal function of lysosomes and lysosome-related organelles, and some patients who develop immunodeficiency. The basic mechanisms contributing to immune dysfunction in HPS are ill-defined. We analysed natural killer (NK) cells from patients diagnosed with HPS-1, HPS-2, HPS-4, and an unreported HPS subtype. NK cells from an HPS-2 and an unreported HPS subtype share a similar cellular phenotype with defective granule release and cytotoxicity, but differ in cytokine exocytosis. Defining NK cell activity in several types of HPS provides insights into cellular defects of the disorder and understanding of mechanisms contributing to HPS pathogenesis.Entities:
Keywords: Hermansky-Pudlak syndrome; NK cell; cytotoxicity; immune deficiency; lytic granule exocytosis
Mesh:
Year: 2016 PMID: 27766632 PMCID: PMC5177518 DOI: 10.1111/bjh.14390
Source DB: PubMed Journal: Br J Haematol ISSN: 0007-1048 Impact factor: 6.998