{"type": "root", "children": [{"type": "p", "children": [{"type": "t", "text": "\nZBTB38 is a zinc finger protein that functions as a methyl–CpG binding transcriptional repressor. In vitro and in vivo studies have demonstrated that its C‐terminal zinc fingers bind single methylated CpG sites in a sequence‐specific manner using a novel mode of recognition. Moreover, alternative splicing events – such as the incorporation of an Alu element observed in chondrocytes – may alter its translational efficiency and fine‐tune its cellular functions."}, {"type": "fg", "children": [{"type": "fg_fs", "start_ref": "1", "end_ref": "5"}]}, {"type": "t", "text": "\n"}]}, {"type": "t", "text": "\n\n"}, {"type": "p", "children": [{"type": "t", "text": "\nGenome‐wide association studies in diverse populations have repeatedly linked variants in or near ZBTB38 with human stature. These investigations – encompassing cohorts from Iceland, Scandinavia, East Asia, and China – suggest that genetic variation at the ZBTB38 locus contributes to the regulation of skeletal development and is associated with normal height variation as well as growth impairment, including idiopathic short stature."}, {"type": "fg", "children": [{"type": "fg_fs", "start_ref": "6", "end_ref": "10"}]}, {"type": "t", "text": "\n"}]}, {"type": "t", "text": "\n\n"}, {"type": "p", "children": [{"type": "t", "text": "\nBeyond its role in transcriptional regulation and development, ZBTB38 is an important factor in genome integrity and cellular stress responses. It acts as a repressor of key replication factors – for example, by controlling MCM10 levels – such that its aberrant stabilization (resulting from impaired ubiquitination by RBBP6) can slow replication fork progression and compromise chromosomal stability. In addition, ZBTB38 limits the basal generation of reactive oxygen species, a property governed by its interaction with the deubiquitinase USP9X. In neuronal models of spinal cord injury, restoring ZBTB38 expression promotes autophagy, alleviates ER stress–induced apoptosis, and partially rescues tissue function."}, {"type": "fg", "children": [{"type": "fg_fs", "start_ref": "11", "end_ref": "13"}]}, {"type": "t", "text": "\n"}]}, {"type": "t", "text": "\n\n"}, {"type": "p", "children": [{"type": "t", "text": "\nAlterations in ZBTB38 expression or genetic variation are also implicated in other disease contexts. For instance, increased levels of ZBTB38 in bladder cancer cells have been associated with enhanced migration, invasion, and metastatic potential—potentially via activation of the Wnt/β‐catenin signaling pathway. In prion diseases, polymorphisms linked to the ZBTB38–RASA2 locus correlate with specific clinical manifestations such as myoclonus, underscoring its broader impact on disease phenotypes."}, {"type": "fg", "children": [{"type": "fg_f", "ref": "14"}]}, {"type": "t", "text": "\n"}]}, {"type": "rg", "children": [{"type": "r", "ref": 1, "children": [{"type": "t", "text": "Guillaume J P Filion, Svetlana Zhenilo, Sergey Salozhin, et al. 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