{"type": "root", "children": [{"type": "p", "children": [{"type": "t", "text": "\n DYNLT2, a member of the dynein light chain family that in some studies is referred to as TCTE3/Tctex1d2/TCTEX1D4, is emerging as an important accessory component of dynein motor complexes that mediate intracellular transport. It contributes to the trafficking of cargos along microtubules by participating in both retrograde intraflagellar transport, which is essential for proper ciliogenesis and cilia function, and in the assembly and function of the sperm flagellum, where its activity is required for normal sperm motility and male germ cell differentiation."}, {"type": "fg", "children": [{"type": "fg_fs", "start_ref": "1", "end_ref": "3"}]}, {"type": "t", "text": "\n "}]}, {"type": "t", "text": "\n "}, {"type": "p", "children": [{"type": "t", "text": "\n In addition to its role in ciliary and flagellar function, DYNLT2 has been implicated in broader aspects of microtubule dynamics through its interactions with regulatory proteins such as protein phosphatase 1; these interactions appear to participate in microtubule organizing center retention, regulation of the acrosome formation, and even the maintenance of the blood–testis barrier."}, {"type": "fg", "children": [{"type": "fg_f", "ref": "4"}]}, {"type": "t", "text": "\n "}]}, {"type": "t", "text": "\n "}, {"type": "p", "children": [{"type": "t", "text": "\n Alterations in DYNLT2 gene expression or deletions in its chromosomal region have been associated with a spectrum of clinical conditions. For instance, loss‐of‐function studies highlight its importance in ciliogenesis, where its depletion results in ciliary assembly defects relevant to ciliopathy syndromes, while in testes its dysregulation correlates with reduced sperm motility and abnormal germ cell apoptosis, contributing to male infertility."}, {"type": "fg", "children": [{"type": "fg_f", "ref": "1"}, {"type": "fg_f", "ref": "5"}]}, {"type": "t", "text": " Furthermore, genomic deletions encompassing DYNLT2 have been detected in patients with congenital diaphragmatic hernia, and its expression pattern has also been exploited as a marker of pancreatobiliary differentiation in adenocarcinomas."}, {"type": "fg", "children": [{"type": "fg_f", "ref": "6"}]}, {"type": "t", "text": "\n "}]}, {"type": "t", "text": "\n "}, {"type": "p", "children": [{"type": "t", "text": "\n Finally, mapping studies have localized the human DYNLT2 homologue to the distal region of chromosome 6q27, a region that was originally identified through its testis–specific expression in the mouse t–complex, further supporting its specialized role in reproductive cell function."}, {"type": "fg", "children": [{"type": "fg_f", "ref": "8"}]}, {"type": "t", "text": "\n "}]}, {"type": "rg", "children": [{"type": "r", "ref": 1, "children": [{"type": "t", "text": "Ankur A Gholkar, Silvia Senese, Yu-Chen Lo, et al. 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