Hyperoside Protects HK-2 Cells Against High Glucose-Induced Apoptosis and Inflammation via the miR-499a-5p/NRIP1 Pathway. 2021

Jingbo Zhou, and Shu Zhang, and Xinyi Sun, and Yan Lou, and Jiangyi Yu
Department of Endocrinology, Affiliated Hospital of Nanjing University of Traditional Chinese Medicine, Nanjing, China.

Hyperoside, a flavonol glycoside, is derived from plants of the genera Hypericum and Crataegus. Recent studies have indicated the anti-apoptotic and anti-inflammatory roles of hyperoside. The present study was designed to measure the effects of hyperoside on high glucose (HG)-treated HK-2 cells. HK-2 is a human papillomavirus 16 transformed cell line and can be used as a model for normal tubular cell. Cell apoptosis was examined by TUNEL assays and flow cytometry analysis. Inflammatory response was detected by Enzyme linked immunosorbent assay kits. Western blotting was applied to detect protein levels of apoptosis-related genes and inflammatory cytokines. Mechanistical assays including luciferase reporter and RNA pull down assays were applied to detect the binding relationship between molecules. We identified that hyperoside protected HK-2 cells against HG-induced apoptosis and inflammation. Moreover, miR-499a-5p was upregulated by hyperoside in a dose dependent manner. MiR-499a-5p inhibition rescued the suppressive effects of hyperoside on apoptosis and inflammation of HG-treated HK-2 cells. Furthermore, miR-499a-5p targeted NRIP1 to inhibit its mRNA expression, and further suppressed its translation. NRIP1 was downregulated by hyperoside in a dose dependent manner. Finally, rescue assays indicated that miR-499a-5p inhibition rescued the protective effects of hyperoside on apoptosis and inflammatory response of HK-2 cells by NRIP1. In conclusion, our findings revealed that hyperoside alleviates HG-induced apoptosis and inflammatory response of HK-2 cells by the miR-499a-5p/NRIP1 axis.

UI MeSH Term Description Entries
D007249 Inflammation A pathological process characterized by injury or destruction of tissues caused by a variety of cytologic and chemical reactions. It is usually manifested by typical signs of pain, heat, redness, swelling, and loss of function. Innate Inflammatory Response,Inflammations,Inflammatory Response, Innate,Innate Inflammatory Responses
D007680 Kidney Neoplasms Tumors or cancers of the KIDNEY. Cancer of Kidney,Kidney Cancer,Renal Cancer,Cancer of the Kidney,Neoplasms, Kidney,Renal Neoplasms,Cancer, Kidney,Cancer, Renal,Cancers, Kidney,Cancers, Renal,Kidney Cancers,Kidney Neoplasm,Neoplasm, Kidney,Neoplasm, Renal,Neoplasms, Renal,Renal Cancers,Renal Neoplasm
D007687 Kidney Tubules, Proximal The renal tubule portion that extends from the BOWMAN CAPSULE in the KIDNEY CORTEX into the KIDNEY MEDULLA. The proximal tubule consists of a convoluted proximal segment in the cortex, and a distal straight segment descending into the medulla where it forms the U-shaped LOOP OF HENLE. Proximal Kidney Tubule,Proximal Renal Tubule,Kidney Tubule, Proximal,Proximal Kidney Tubules,Proximal Renal Tubules,Renal Tubule, Proximal,Renal Tubules, Proximal,Tubule, Proximal Kidney,Tubule, Proximal Renal,Tubules, Proximal Kidney,Tubules, Proximal Renal
D009687 Nuclear Proteins Proteins found in the nucleus of a cell. Do not confuse with NUCLEOPROTEINS which are proteins conjugated with nucleic acids, that are not necessarily present in the nucleus. Nucleolar Protein,Nucleolar Proteins,Nuclear Protein,Protein, Nuclear,Protein, Nucleolar,Proteins, Nuclear,Proteins, Nucleolar
D011794 Quercetin A flavonol widely distributed in plants. It is an antioxidant, like many other phenolic heterocyclic compounds. Glycosylated forms include RUTIN and quercetrin. 3,3',4',5,7-Pentahydroxyflavone,Dikvertin
D002292 Carcinoma, Renal Cell A heterogeneous group of sporadic or hereditary carcinoma derived from cells of the KIDNEYS. There are several subtypes including the clear cells, the papillary, the chromophobe, the collecting duct, the spindle cells (sarcomatoid), or mixed cell-type carcinoma. Adenocarcinoma, Renal Cell,Carcinoma, Hypernephroid,Grawitz Tumor,Hypernephroma,Renal Carcinoma,Adenocarcinoma Of Kidney,Adenocarcinoma, Renal,Chromophil Renal Cell Carcinoma,Chromophobe Renal Cell Carcinoma,Clear Cell Renal Carcinoma,Clear Cell Renal Cell Carcinoma,Collecting Duct Carcinoma,Collecting Duct Carcinoma (Kidney),Collecting Duct Carcinoma of the Kidney,Nephroid Carcinoma,Papillary Renal Cell Carcinoma,Renal Cell Cancer,Renal Cell Carcinoma,Renal Cell Carcinoma, Papillary,Renal Collecting Duct Carcinoma,Sarcomatoid Renal Cell Carcinoma,Adenocarcinoma Of Kidneys,Adenocarcinomas, Renal Cell,Cancer, Renal Cell,Carcinoma, Collecting Duct,Carcinoma, Collecting Duct (Kidney),Carcinoma, Nephroid,Carcinoma, Renal,Carcinomas, Collecting Duct,Carcinomas, Collecting Duct (Kidney),Carcinomas, Renal Cell,Collecting Duct Carcinomas,Collecting Duct Carcinomas (Kidney),Hypernephroid Carcinoma,Hypernephroid Carcinomas,Hypernephromas,Kidney, Adenocarcinoma Of,Nephroid Carcinomas,Renal Adenocarcinoma,Renal Adenocarcinomas,Renal Carcinomas,Renal Cell Adenocarcinoma,Renal Cell Adenocarcinomas,Renal Cell Cancers,Renal Cell Carcinomas,Tumor, Grawitz
D005786 Gene Expression Regulation Any of the processes by which nuclear, cytoplasmic, or intercellular factors influence the differential control (induction or repression) of gene action at the level of transcription or translation. Gene Action Regulation,Regulation of Gene Expression,Expression Regulation, Gene,Regulation, Gene Action,Regulation, Gene Expression
D005947 Glucose A primary source of energy for living organisms. It is naturally occurring and is found in fruits and other parts of plants in its free state. It is used therapeutically in fluid and nutrient replacement. Dextrose,Anhydrous Dextrose,D-Glucose,Glucose Monohydrate,Glucose, (DL)-Isomer,Glucose, (alpha-D)-Isomer,Glucose, (beta-D)-Isomer,D Glucose,Dextrose, Anhydrous,Monohydrate, Glucose
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D013549 Sweetening Agents Substances that sweeten food, beverages, medications, etc., such as sugar, saccharine or other low-calorie synthetic products. (From Random House Unabridged Dictionary, 2d ed) Artificial Sweeteners,Sugar Substitutes,Sweeteners,Agent, Sweetening,Agents, Sweetening,Artificial Sweetener,Substitute, Sugar,Substitutes, Sugar,Sugar Substitute,Sweetener,Sweetener, Artificial,Sweeteners, Artificial,Sweetening Agent

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