Brief Research ReportPublished 22 June 2026Mitochondrial morphology and mtDNA content in fibroblasts from patients with different types of mucopolysaccharidosisKlaudia Walczak · Lidia Gaffke · Karolina Pierzynowska · Natalia Sowa-Rogozińska · Ewa PiotrowskaActa Biochimica Polonicadoi 10.3389/abp.2026.16345