{"type": "root", "children": [{"type": "p", "children": [{"type": "t", "text": "\nA review of the 21 abstracts"}, {"type": "fg", "children": [{"type": "fg_fs", "start_ref": "1", "end_ref": "21"}]}, {"type": "t", "text": "shows that the scientific focus is almost exclusively on various members of the potassium‐chloride cotransporter (KCC) family, particularly KCC3 (encoded by SLC12A6). Collectively, these studies characterize KCC3’s roles in maintaining cell volume homeostasis, modulating neuronal excitability and peripheral nerve conduction, and regulating ion transport in red blood cells and kidney epithelia. These functions have been linked to stress responses, neurodevelopmental integrity, erythrocyte hydration, blood pressure control, and the pathobiology of several neuropathies and hematologic disorders.\n"}]}, {"type": "t", "text": "\n\n"}, {"type": "p", "children": [{"type": "t", "text": "\nNotably, none of the provided abstracts mention or address RNF213‑AS1. As such, no information regarding the cellular function, regulatory mechanisms, or physiological significance of RNF213‑AS1 can be extracted from this body of literature. The absence of any reference to RNF213‑AS1 highlights a gap in these studies relative to the extensive work on KCC isoforms and underscores the need for dedicated research to elucidate the potential roles of RNF213‑AS1.\n"}]}, {"type": "rg", "children": [{"type": "r", "ref": 1, "children": [{"type": "t", "text": "Kerstin Piechotta, Jianming Lu, Eric Delpire "}, {"type": "b", "children": [{"type": "t", "text": "Cation chloride cotransporters interact with the stress-related kinases Ste20-related proline-alanine-rich kinase (SPAK) and oxidative stress response 1 (OSR1)."}]}, {"type": "t", "text": " "}, {"type": "i", "children": [{"type": "t", "text": "J Biol Chem (2002)"}]}, {"type": "t", "text": " DOI: "}, {"type": "a", "children": [{"type": "t", "text": "10.1074/jbc.M208108200"}], "href": "https://doi.org/10.1074/jbc.M208108200"}, {"type": "t", "text": " PMID: "}, {"type": "a", "children": [{"type": "t", "text": "12386165"}], "href": "https://pubmed.ncbi.nlm.nih.gov/12386165"}]}, {"type": "r", "ref": 2, "children": [{"type": "t", "text": "Heidi C Howard, David B Mount, Daniel Rochefort, et al. 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