{"type": "root", "children": [{"type": "p", "children": [{"type": "t", "text": "\nIn a recent study aimed at identifying novel genes linked to the dysregulated proliferation of activated synovial fibroblasts—a key contributor to arthritic joint destruction—SNORA46 emerged as a candidate of interest. This small nucleolar RNA (snoRNA) is now implicated in the molecular pathways governing abnormal cell growth observed in arthritic conditions."}, {"type": "fg", "children": [{"type": "fg_f", "ref": "1"}]}, {"type": "t", "text": "\n\nIn its canonical role, SNORA46 functions as a guide RNA, directing the site‐specific pseudouridylation of precursor ribosomal RNAs. This post‐transcriptional modification is essential for proper rRNA folding, processing, and the subsequent assembly of functional ribosomes, thus ensuring accurate and efficient protein synthesis—a process that is intrinsically linked to the regulation of cell proliferation."}, {"type": "fg", "children": [{"type": "fg_f", "ref": "1"}]}, {"type": "t", "text": "\n\nThe altered expression or function of SNORA46 in activated synovial fibroblasts suggests that disruptions in rRNA modification and ribosome biogenesis may underlie the aberrant cellular proliferation that drives joint destruction in arthritis. Consequently, SNORA46 not only serves as a marker for dysregulated cell growth but also represents a potential mechanistic link between disturbed ribosomal function and the pathophysiology of arthritic disease."}, {"type": "fg", "children": [{"type": "fg_f", "ref": "1"}]}, {"type": "t", "text": "\n"}]}, {"type": "rg", "children": [{"type": "r", "ref": 1, "children": [{"type": "t", "text": "Tomoo Sato, Ryoji Fujii, Koji Konomi, et al. "}, {"type": "b", "children": [{"type": "t", "text": "Overexpression of SPACIA1/SAAL1, a newly identified gene that is involved in synoviocyte proliferation, accelerates the progression of synovitis in mice and humans."}]}, {"type": "t", "text": " "}, {"type": "i", "children": [{"type": "t", "text": "Arthritis Rheum (2011)"}]}, {"type": "t", "text": " DOI: "}, {"type": "a", "children": [{"type": "t", "text": "10.1002/art.30617"}], "href": "https://doi.org/10.1002/art.30617"}, {"type": "t", "text": " PMID: "}, {"type": "a", "children": [{"type": "t", "text": "22127701"}], "href": "https://pubmed.ncbi.nlm.nih.gov/22127701"}]}]}]}