{"type": "root", "children": [{"type": "p", "children": [{"type": "t", "text": "\nThe abstracts provided center on key aspects of intracellular protein trafficking and neuronal differentiation—specifically the roles of COPII components (SAR1A/B) in mediating ER-to-Golgi transport and the regulated, layer‐specific nuclear localization of SARA during brain development."}, {"type": "fg", "children": [{"type": "fg_f", "ref": "1"}]}, {"type": "t", "text": " Notably, neither study addresses SNORD115-22 directly, and no experimental evidence is offered linking this small nucleolar RNA to the secretory pathway or SARA’s function.\n"}]}, {"type": "t", "text": "\n\n"}, {"type": "p", "children": [{"type": "t", "text": "\nSNORD115-22 belongs to the SNORD115 family of snoRNAs, which are traditionally implicated in guiding chemical modifications of RNA and influencing alternative splicing of target transcripts (for example, the serotonin receptor 2C pre-mRNA). However, the focus of the presented abstracts on SAR1 paralogs and endosomal proteins leaves the contribution, if any, of SNORD115-22 to these cellular processes unexamined."}, {"type": "fg", "children": [{"type": "fg_f", "ref": "2"}]}, {"type": "t", "text": "\n"}]}, {"type": "t", "text": "\n\n"}, {"type": "p", "children": [{"type": "t", "text": "\nIn summary, while small nucleolar RNAs such as SNORD115-22 are generally understood to modulate RNA processing and gene expression, the abstracts in question do not report any functional data concerning SNORD115-22. Further dedicated studies would be necessary to elucidate whether SNORD115-22 intersects with the intracellular trafficking or neuronal regulatory mechanisms highlighted in these reports."}, {"type": "fg", "children": [{"type": "fg_f", "ref": "1"}]}, {"type": "t", "text": "\n"}]}, {"type": "rg", "children": [{"type": "r", "ref": 1, "children": [{"type": "t", "text": "Vi T Tang, Jie Xiang, Zhimin Chen, et al. "}, {"type": "b", "children": [{"type": "t", "text": "Functional overlap between the mammalian "}, {"type": "a", "children": [{"type": "t", "text": "i"}], "href": "i"}, {"type": "t", "text": "Sar1a"}, {"type": "a", "children": [{"type": "t", "text": "/i"}], "href": "/i"}, {"type": "t", "text": " and "}, {"type": "a", "children": [{"type": "t", "text": "i"}], "href": "i"}, {"type": "t", "text": "Sar1b"}, {"type": "a", "children": [{"type": "t", "text": "/i"}], "href": "/i"}, {"type": "t", "text": " paralogs in vivo."}]}, {"type": "t", "text": " "}, {"type": "i", "children": [{"type": "t", "text": "Proc Natl Acad Sci U S A (2024)"}]}, {"type": "t", "text": " DOI: "}, {"type": "a", "children": [{"type": "t", "text": "10.1073/pnas.2322164121"}], "href": "https://doi.org/10.1073/pnas.2322164121"}, {"type": "t", "text": " PMID: "}, {"type": "a", "children": [{"type": "t", "text": "38687799"}], "href": "https://pubmed.ncbi.nlm.nih.gov/38687799"}]}, {"type": "r", "ref": 2, "children": [{"type": "t", "text": "Ivan Mestres, Maximilian Einsiedel, June Möller, et al. "}, {"type": "b", "children": [{"type": "t", "text": "Smad anchor for receptor activation nuclear localization during development identifies Layers V and VI of the neocortex."}]}, {"type": "t", "text": " "}, {"type": "i", "children": [{"type": "t", "text": "J Comp Neurol (2020)"}]}, {"type": "t", "text": " DOI: "}, {"type": "a", "children": [{"type": "t", "text": "10.1002/cne.24881"}], "href": "https://doi.org/10.1002/cne.24881"}, {"type": "t", "text": " PMID: "}, {"type": "a", "children": [{"type": "t", "text": "32037591"}], "href": "https://pubmed.ncbi.nlm.nih.gov/32037591"}]}]}]}