{"type": "root", "children": [{"type": "p", "children": [{"type": "t", "text": "\n AVL9 is emerging as a multifunctional protein that plays pivotal roles in regulating intracellular trafficking, cell polarity, and exocytic transport, processes that are essential for proper cell migration and tissue organization. In migrating cells, AVL9 participates in a Rab14‐mediated recycling pathway that controls the trafficking of key adhesion regulators such as ADAM10; this function facilitates the shedding of cell‐surface N‐cadherin and the resolution of cell–cell junctions."}, {"type": "fg", "children": [{"type": "fg_f", "ref": "1"}]}, {"type": "t", "text": " Moreover, AVL9 expression is modulated by noncoding RNAs, such as CRPAT4 in clear cell renal cell carcinoma, where its upregulation contributes to enhanced cell migration and correlates with poor clinical outcomes."}, {"type": "fg", "children": [{"type": "fg_f", "ref": "2"}]}, {"type": "t", "text": " In colorectal carcinoma, high levels of AVL9 not only serve as a potential biomarker but also promote cell migration through the regulation of EGFR expression, underscoring its role in cancer aggressiveness."}, {"type": "fg", "children": [{"type": "fg_f", "ref": "3"}]}, {"type": "t", "text": " Genetic linkage analyses have also implicated AVL9 in processes beyond oncogenesis; for instance, alterations in this gene are significantly linked to myopia, suggesting a broader role in maintaining cellular polarity."}, {"type": "fg", "children": [{"type": "fg_f", "ref": "5"}]}, {"type": "t", "text": " In lung adenocarcinoma, elevated AVL9 expression is associated with poor patient outcomes and appears to cooperate with cyclin-dependent kinase pathways to drive malignant progression."}, {"type": "fg", "children": [{"type": "fg_f", "ref": "6"}]}, {"type": "t", "text": " Complementary insights from yeast genetic studies reveal that Avl9 is a conserved regulator of late exocytic transport and polarized secretion, where its depletion leads to secretory defects, disrupted actin organization, and aberrant cell cycle progression."}, {"type": "fg", "children": [{"type": "fg_f", "ref": "7"}]}, {"type": "t", "text": " Finally, experiments in MDCKII epithelial cells confirm that loss of AVL9 perturbs normal cystogenesis and compromises cell migration, thereby reinforcing its critical role in intracellular trafficking and epithelial tissue architecture."}, {"type": "fg", "children": [{"type": "fg_f", "ref": "9"}]}, {"type": "t", "text": "\n "}]}, {"type": "t", "text": "\n "}, {"type": "p", "children": [{"type": "t", "text": "\n Collectively, these studies support the concept that AVL9 is a key mediator of membrane trafficking pathways that influence cell polarity and migration. Its dysregulation appears to contribute to tumor progression and other pathological conditions, making AVL9 a promising biomarker and potential therapeutic target across a spectrum of human diseases.\n "}]}, {"type": "rg", "children": [{"type": "r", "ref": 1, "children": [{"type": "t", "text": "Andrea Linford, Shin-ichiro Yoshimura, Ricardo Nunes Bastos, et al. 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"}, {"type": "b", "children": [{"type": "a", "children": [{"type": "t", "text": "i"}], "href": "i"}, {"type": "t", "text": "AVL9"}, {"type": "a", "children": [{"type": "t", "text": "/i"}], "href": "/i"}, {"type": "t", "text": " is Upregulated in and Could Be a Predictive Biomarker for Colorectal Cancer."}]}, {"type": "t", "text": " "}, {"type": "i", "children": [{"type": "t", "text": "Cancer Manag Res (2021)"}]}, {"type": "t", "text": " DOI: "}, {"type": "a", "children": [{"type": "t", "text": "10.2147/CMAR.S301844"}], "href": "https://doi.org/10.2147/CMAR.S301844"}, {"type": "t", "text": " PMID: "}, {"type": "a", "children": [{"type": "t", "text": "33859498"}], "href": "https://pubmed.ncbi.nlm.nih.gov/33859498"}]}, {"type": "r", "ref": 4, "children": [{"type": "t", "text": "Qiong Wu, Jing De Chen, Zhuqing Zhou "}, {"type": "b", "children": [{"type": "t", "text": "AVL9 promotes colorectal carcinoma cell migration via regulating EGFR expression."}]}, {"type": "t", "text": " "}, {"type": "i", "children": [{"type": "t", "text": "Biol Proced Online (2022)"}]}, {"type": "t", "text": " DOI: "}, {"type": "a", "children": [{"type": "t", "text": "10.1186/s12575-021-00162-8"}], "href": "https://doi.org/10.1186/s12575-021-00162-8"}, {"type": "t", "text": " PMID: "}, {"type": "a", "children": [{"type": "t", "text": "34991461"}], "href": "https://pubmed.ncbi.nlm.nih.gov/34991461"}]}, {"type": "r", "ref": 5, "children": [{"type": "t", "text": "Claire L Simpson, Anthony M Musolf, Roberto Y Cordero, et al. 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