{"type": "root", "children": [{"type": "p", "children": [{"type": "t", "text": "\n LIPF encodes the gastric lipase enzyme that plays a central role in the digestion of dietary triglycerides under acidic conditions in the stomach. In normal gastric physiology, this enzyme facilitates the hydrolysis of triglycerides, thereby contributing to lipid metabolism and energy regulation. Several studies have now shown that LIPF expression is frequently altered in gastric cancer. In particular, its down‐regulation in tumor tissues compared with normal gastric mucosa has been detected at both the mRNA and protein levels, making LIPF a promising diagnostic and prognostic biomarker for this malignancy."}, {"type": "fg", "children": [{"type": "fg_fs", "start_ref": "1", "end_ref": "4"}]}, {"type": "t", "text": " In addition, analyses of noncoding mutational hotspots in solid tumors have demonstrated that alterations affecting LIPF occur in a lineage‐specific manner in stomach carcinoma, reinforcing its relevance as a marker of differentiated gastric secretory cells."}, {"type": "fg", "children": [{"type": "fg_f", "ref": "3"}]}, {"type": "t", "text": ""}]}, {"type": "t", "text": "\n \n "}, {"type": "p", "children": [{"type": "t", "text": "\n In the context of metabolic disorders, genetic association studies have evaluated sequence variants in LIPF; however, any links with obesity appeared weak and did not withstand statistical correction."}, {"type": "fg", "children": [{"type": "fg_f", "ref": "5"}]}, {"type": "t", "text": " Moreover, biochemical and structural studies on human gastric lipase further support the specialized adaptation of LIPF in the stomach to function optimally in an acidic environment, underscoring its importance in neutral lipid catabolism."}, {"type": "fg", "children": [{"type": "fg_f", "ref": "6"}]}, {"type": "t", "text": "\n "}]}, {"type": "t", "text": "\n\n "}, {"type": "p", "children": [{"type": "t", "text": "\n In summary, the collective findings indicate that LIPF is essential for normal gastric lipid digestion, while its dysregulation is closely tied to gastric carcinogenesis. This highlights both its physiological relevance in nutrient processing and its potential utility as a biomarker for gastric cancer.\n "}]}, {"type": "rg", "children": [{"type": "r", "ref": 1, "children": [{"type": "t", "text": "Xianglan Zhang, Jung-Jin Yang, Yoon Sun Kim, et al. "}, {"type": "b", "children": [{"type": "t", "text": "An 8-gene signature, including methylated and down-regulated glutathione peroxidase 3, of gastric cancer."}]}, {"type": "t", "text": " "}, {"type": "i", "children": [{"type": "t", "text": "Int J Oncol (2010)"}]}, {"type": "t", "text": " PMID: "}, {"type": "a", "children": [{"type": "t", "text": "20043075"}], "href": "https://pubmed.ncbi.nlm.nih.gov/20043075"}]}, {"type": "r", "ref": 2, "children": [{"type": "t", "text": "Yi Kong, Yan Zheng, Yanfei Jia, et al. 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