{"type": "root", "children": [{"type": "p", "children": [{"type": "t", "text": "\nAlthough the request was to summarize the function of DLGAP2‐AS1, none of the provided abstracts mention or address this long noncoding RNA. Instead, the abstracts focus on other molecular players that regulate important cellular and mitochondrial processes. For example, one study detailed the role of MICU3 in enhancing MCU‐dependent mitochondrial Ca2+ uptake in neurons by forming a disulfide‐bond mediated dimer with MICU1, thereby modulating neuronal Ca2+ signals."}, {"type": "fg", "children": [{"type": "fg_f", "ref": "1"}]}, {"type": "t", "text": " Similarly, another study reported on MICU3’s promising role in rescuing mitochondrial dysfunction, reducing amyloid‐β deposition, and attenuating neuroinflammation in a mouse model of cerebral amyloid angiopathy, with its protective effects being mediated via an interaction with PINK1."}, {"type": "fg", "children": [{"type": "fg_f", "ref": "2"}]}, {"type": "t", "text": "\n"}]}, {"type": "t", "text": "\n\n"}, {"type": "p", "children": [{"type": "t", "text": "\nAdditional abstracts in the collection discuss related molecular mechanisms: one manuscript explored the specific deposition of the H3.3 histone variant onto chromatin by the HIRA complex, underlining its importance in transcriptional regulation"}, {"type": "fg", "children": [{"type": "fg_f", "ref": "3"}]}, {"type": "t", "text": ", and another characterized ubinuclein—a nuclear protein interacting with bZip transcription factors in keratinocytes."}, {"type": "fg", "children": [{"type": "fg_f", "ref": "4"}]}, {"type": "t", "text": " Furthermore, another report acknowledged the presence of MICU3 in the heart, though its precise role remains to be fully elucidated."}, {"type": "fg", "children": [{"type": "fg_f", "ref": "5"}]}, {"type": "t", "text": "\n"}]}, {"type": "t", "text": "\n\n"}, {"type": "p", "children": [{"type": "t", "text": "\nIn summary, while these studies provide valuable insights into mitochondrial calcium handling, transcriptional regulation, and nuclear protein functions, they do not supply any information regarding the function or significance of DLGAP2‐AS1. As such, the biological role of DLGAP2‐AS1 remains to be investigated in future studies.\n"}]}, {"type": "rg", "children": [{"type": "r", "ref": 1, "children": [{"type": "t", "text": "Maria Patron, Veronica Granatiero, Javier Espino, et al. "}, {"type": "b", "children": [{"type": "t", "text": "MICU3 is a tissue-specific enhancer of mitochondrial calcium uptake."}]}, {"type": "t", "text": " "}, {"type": "i", "children": [{"type": "t", "text": "Cell Death Differ (2019)"}]}, {"type": "t", "text": " DOI: "}, {"type": "a", "children": [{"type": "t", "text": "10.1038/s41418-018-0113-8"}], "href": "https://doi.org/10.1038/s41418-018-0113-8"}, {"type": "t", "text": " PMID: "}, {"type": "a", "children": [{"type": "t", "text": "29725115"}], "href": "https://pubmed.ncbi.nlm.nih.gov/29725115"}]}, {"type": "r", "ref": 2, "children": [{"type": "t", "text": "Guijuan Zhou, Qing Ye, Yan Xu, et al. "}, {"type": "b", "children": [{"type": "t", "text": "Mitochondrial calcium uptake 3 mitigates cerebral amyloid angiopathy-related neuronal death and glial inflammation by reducing mitochondrial dysfunction."}]}, {"type": "t", "text": " "}, {"type": "i", "children": [{"type": "t", "text": "Int Immunopharmacol (2023)"}]}, {"type": "t", "text": " DOI: "}, {"type": "a", "children": [{"type": "t", "text": "10.1016/j.intimp.2022.109614"}], "href": "https://doi.org/10.1016/j.intimp.2022.109614"}, {"type": "t", "text": " PMID: "}, {"type": "a", "children": [{"type": "t", "text": "36878048"}], "href": "https://pubmed.ncbi.nlm.nih.gov/36878048"}]}, {"type": "r", "ref": 3, "children": [{"type": "t", "text": "Chaoyang Xiong, Zengqi Wen, Juan Yu, et al. "}, {"type": "b", "children": [{"type": "t", "text": "UBN1/2 of HIRA complex is responsible for recognition and deposition of H3.3 at cis-regulatory elements of genes in mouse ES cells."}]}, {"type": "t", "text": " "}, {"type": "i", "children": [{"type": "t", "text": "BMC Biol (2018)"}]}, {"type": "t", "text": " DOI: "}, {"type": "a", "children": [{"type": "t", "text": "10.1186/s12915-018-0573-9"}], "href": "https://doi.org/10.1186/s12915-018-0573-9"}, {"type": "t", "text": " PMID: "}, {"type": "a", "children": [{"type": "t", "text": "30285846"}], "href": "https://pubmed.ncbi.nlm.nih.gov/30285846"}]}, {"type": "r", "ref": 4, "children": [{"type": "t", "text": "Sirpa Aho, Julien Lupo, Pierre-Alain Coly, et al. "}, {"type": "b", "children": [{"type": "t", "text": "Characterization of the ubinuclein protein as a new member of the nuclear and adhesion complex components (NACos)."}]}, {"type": "t", "text": " "}, {"type": "i", "children": [{"type": "t", "text": "Biol Cell (2009)"}]}, {"type": "t", "text": " DOI: "}, {"type": "a", "children": [{"type": "t", "text": "10.1042/BC20080072"}], "href": "https://doi.org/10.1042/BC20080072"}, {"type": "t", "text": " PMID: "}, {"type": "a", "children": [{"type": "t", "text": "18823282"}], "href": "https://pubmed.ncbi.nlm.nih.gov/18823282"}]}, {"type": "r", "ref": 5, "children": [{"type": "t", "text": "Barbara Roman, Yusuf Mastoor, Junhui Sun, et al. "}, {"type": "b", "children": [{"type": "t", "text": "MICU3 Regulates Mitochondrial Calcium and Cardiac Hypertrophy."}]}, {"type": "t", "text": " "}, {"type": "i", "children": [{"type": "t", "text": "Circ Res (2024)"}]}, {"type": "t", "text": " DOI: "}, {"type": "a", "children": [{"type": "t", "text": "10.1161/CIRCRESAHA.123.324026"}], "href": "https://doi.org/10.1161/CIRCRESAHA.123.324026"}, {"type": "t", "text": " PMID: "}, {"type": "a", "children": [{"type": "t", "text": "38747181"}], "href": "https://pubmed.ncbi.nlm.nih.gov/38747181"}]}]}]}