Pancreatic Kininogenase Ameliorates Renal Fibrosis in Streptozotocin Induced-Diabetic Nephropathy Rat. 2016

Dan Zhu, and Linlin Zhang, and Lijuan Cheng, and Liansheng Ren, and Jie Tang, and Dianjun Sun
Department of Nephrology, The First Affiliated Hospital of Harbin Medical University, Heilongjiang, China.

OBJECTIVE We aimed to evaluate whether pancreatic kininogenase (PKase) can relieve renal fibrosis and investigate its mechanisms in diabetic nephropathy (DN) rats Methods: We established streptozotocin (STZ) induced-DN rats. After treatment with PKase for 4 weeks, urinary weight, urinary protein content and blood glucose concentration were detected, and then renal histopathological changes were examined using Hematoxylin and Eosin (H&amp;E) and Masson's thrchrome staining. In addition, the expressions of miR-433, transforming growth factor-β1 (TGF-β1) and antizyme inhibitor 1 (Azin1) were detected by qRT-PCR and/or western blotting. RESULTS PKase reduced urinary weight, urinary protein contents and blood glucose concentrations. PKase treated DN rats exhibited less renal fibrosis than untreated DN rats (P < 0.05). Furthermore, the expression levels of TGF-β and miR-433 were reduced (P < 0.05), while Azin1 expression was increased in renal tissues of PKase treated DN rats compared with untreated DN rats (P < 0.05). CONCLUSIONS PKase might not only inhibit the development of DN by reducing urinary weight, urinary protein content and blood glucose concentration in DN rats, but also relieve renal fibrosis in DN rats through inhibiting the expression of TGF-β1, and miR-433 and Azin1 might involve in this process.

UI MeSH Term Description Entries
D007610 Kallikreins Proteolytic enzymes from the serine endopeptidase family found in normal blood and urine. Specifically, Kallikreins are potent vasodilators and hypotensives and increase vascular permeability and affect smooth muscle. They act as infertility agents in men. Three forms are recognized, PLASMA KALLIKREIN (EC 3.4.21.34), TISSUE KALLIKREIN (EC 3.4.21.35), and PROSTATE-SPECIFIC ANTIGEN (EC 3.4.21.77). Kallikrein,Kininogenase,Callicrein,Dilminal,Kallidinogenase,Kalliginogenase,Kallikrein A,Kallikrein B',Kallikrein Light Chain,Kinin-Forming Enzyme,Padutin,alpha-Kallikrein,beta-Kallikrein,beta-Kallikrein B,Enzyme, Kinin-Forming,Kinin Forming Enzyme,Light Chain, Kallikrein,alpha Kallikrein,beta Kallikrein,beta Kallikrein B
D007668 Kidney Body organ that filters blood for the secretion of URINE and that regulates ion concentrations. Kidneys
D008297 Male Males
D010179 Pancreas A nodular organ in the ABDOMEN that contains a mixture of ENDOCRINE GLANDS and EXOCRINE GLANDS. The small endocrine portion consists of the ISLETS OF LANGERHANS secreting a number of hormones into the blood stream. The large exocrine portion (EXOCRINE PANCREAS) is a compound acinar gland that secretes several digestive enzymes into the pancreatic ductal system that empties into the DUODENUM.
D003921 Diabetes Mellitus, Experimental Diabetes mellitus induced experimentally by administration of various diabetogenic agents or by PANCREATECTOMY. Alloxan Diabetes,Streptozocin Diabetes,Streptozotocin Diabetes,Experimental Diabetes Mellitus,Diabete, Streptozocin,Diabetes, Alloxan,Diabetes, Streptozocin,Diabetes, Streptozotocin,Streptozocin Diabete
D003928 Diabetic Nephropathies KIDNEY injuries associated with diabetes mellitus and affecting KIDNEY GLOMERULUS; ARTERIOLES; KIDNEY TUBULES; and the interstitium. Clinical signs include persistent PROTEINURIA, from microalbuminuria progressing to ALBUMINURIA of greater than 300 mg/24 h, leading to reduced GLOMERULAR FILTRATION RATE and END-STAGE RENAL DISEASE. Diabetic Glomerulosclerosis,Glomerulosclerosis, Diabetic,Diabetic Kidney Disease,Diabetic Nephropathy,Intracapillary Glomerulosclerosis,Kimmelstiel-Wilson Disease,Kimmelstiel-Wilson Syndrome,Nodular Glomerulosclerosis,Diabetic Kidney Diseases,Glomerulosclerosis, Nodular,Kidney Disease, Diabetic,Kidney Diseases, Diabetic,Kimmelstiel Wilson Disease,Kimmelstiel Wilson Syndrome,Nephropathies, Diabetic,Nephropathy, Diabetic,Syndrome, Kimmelstiel-Wilson
D005355 Fibrosis Any pathological condition where fibrous connective tissue invades any organ, usually as a consequence of inflammation or other injury. Cirrhosis,Fibroses
D000818 Animals Unicellular or multicellular, heterotrophic organisms, that have sensation and the power of voluntary movement. Under the older five kingdom paradigm, Animalia was one of the kingdoms. Under the modern three domain model, Animalia represents one of the many groups in the domain EUKARYOTA. Animal,Metazoa,Animalia
D013311 Streptozocin An antibiotic that is produced by Stretomyces achromogenes. It is used as an antineoplastic agent and to induce diabetes in experimental animals. Streptozotocin,2-Deoxy-2-((methylnitrosoamino)carbonyl)amino-D-glucose,Streptozotocine,Zanosar
D017207 Rats, Sprague-Dawley A strain of albino rat used widely for experimental purposes because of its calmness and ease of handling. It was developed by the Sprague-Dawley Animal Company. Holtzman Rat,Rats, Holtzman,Sprague-Dawley Rat,Rats, Sprague Dawley,Holtzman Rats,Rat, Holtzman,Rat, Sprague-Dawley,Sprague Dawley Rat,Sprague Dawley Rats,Sprague-Dawley Rats

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