{"type": "root", "children": [{"type": "p", "children": [{"type": "t", "text": "\n KIFC2 is a neuronal kinesin belonging to the C‐terminal motor domain family that appears to play multiple roles in the transport and positioning of intracellular vesicular cargoes. Early biochemical and cell‐biological studies demonstrated that KIFC2 is selectively expressed in adult neural tissues where it localizes to cell bodies and dendrites, and it associates with multivesicular body–like organelles—suggesting a role in dendritic organelle transport."}, {"type": "fg", "children": [{"type": "fg_f", "ref": "1"}]}, {"type": "t", "text": " In studies reconstituting early endocytic vesicle motility, a minus end–directed activity attributed in part to KIFC2 was found to facilitate both vesicle movement and fission, with its function being regulated by Rab4 nucleotide cycling."}, {"type": "fg", "children": [{"type": "fg_f", "ref": "3"}]}, {"type": "t", "text": " In addition, recent work in neurons has indicated that KIFC2 is involved in dendrite development by contributing to the localized increase in cyclic guanosine monophosphate (cGMP) required for proper apical dendrite formation; interference with KIFC2 function disrupts dendritic cGMP elevation and causes marked developmental defects."}, {"type": "fg", "children": [{"type": "fg_f", "ref": "5"}]}, {"type": "t", "text": " In animal models of neurological stress, altered KIFC2 expression has been reported: downregulation of KIFC2 was observed in a learned helplessness model of depression—supporting a link between impaired mitochondrial transport and depressive phenotypes"}, {"type": "fg", "children": [{"type": "fg_f", "ref": "6"}]}, {"type": "t", "text": ", whereas upregulation of KIFC2 was associated with neuroprotective effects in an ischemia/reperfusion injury model, suggesting a role in mitochondrial and synaptic function."}, {"type": "fg", "children": [{"type": "fg_f", "ref": "7"}]}, {"type": "t", "text": " Moreover, alterations in dendritic motor protein levels in response to chronic alcohol exposure include increased KIFC2, further underscoring its contribution to maintaining dendritic structure and organelle trafficking under stress."}, {"type": "fg", "children": [{"type": "fg_f", "ref": "8"}]}, {"type": "t", "text": " Finally, KIFC2 has emerged from genomic analyses as a candidate gene associated with lactation traits in cattle, implying that its cellular role in vesicle and organelle transport may extend to diverse biological processes."}, {"type": "fg", "children": [{"type": "fg_f", "ref": "9"}]}, {"type": "t", "text": "\n "}]}, {"type": "rg", "children": [{"type": "r", "ref": 1, "children": [{"type": "t", "text": "N Saito, Y Okada, Y Noda, et al. 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