Single-Cell Transcriptomics Sheds Light on Paroxysmal Nocturnal Hemoglobinuria
A study utilizing single-cell RNA sequencing (scRNA-seq) has provided new insights into paroxysmal nocturnal hemoglobinuria (PNH), a rare hematologic disease. Researchers analyzed bone marrow samples from eight PNH patients, revealing clonal dynamics and gene expression profiles. The study found significant differences in hematopoietic stem and progenitor cells (HSPCs) between patients with large and small PNH cell fractions. Notably, immune response pathways were upregulated in patients with large PNH cell fractions, suggesting persistent inflammation. The research highlights the complex interplay between genetic mutations and immune responses in PNH.