Neutrophil to lymphocyte ratio (NLR), derived neutrophil to lymphocyte ratio (dNLR), platelet to lymphocyte ratio (PLR) and lymphocyte to monocyte ratio (LMR) were promising biomarkers used to predict diagnosis and prognosis in various inflammatory responses diseases and cancers. However, there have been no reports regarding these biomarkers in kidney stone patients. This study aimed to evaluate the predictive value of inflammatory biomarkers for metabolic syndrome (MetS) and post-PCNL SIRS in nephrolithiasis patients. We retrospectively enrolled 513 patients with nephrolithiasis and 204 healthy controls. NLR, dNLR, LMR and PLR in nephrolithiasis patients were significantly higher than control group. Patients with renal stone have higher NLR, dNLR, LMR and PLR than those without. ROC curve analysis indicated NLR, dNLR, LMR and PLR for predicting patients with nephrolithiasis and MetS, displayed AUC of 0.730, 0.717, 0.627 and 0.606. Additionally, ROC curves, using post-PCNL SIRS as the end-point for NLR, dNLR, LMR and PLR with AUC of 0.831, 0.813, 0.723 and 0.685. Multivariate analysis revealed that NLR, dNLR represented independent factors for predicting post-PCNL SIRS. While LMR independently associated with MetS. These resluts demonstrate preoperative NLR, dNLR and LMR appears to be effective predictors of post-PCNL SIRS and LMR of MetS in nephrolithiasis patients.
1. The aims of the present study were to examine whether: (i) upregulation of the endothelin (ET) pathway is involved in impairment of vascular relaxation and early retinopathy in diabetic rats; and (ii) vascular and retinal abnormalities respond to the total triterpene acid (TTA) isolated from Fructus Corni compared with responses to the novel endothelin receptor antagonist CPU0213 and aminoguanidine (AMG), a special antagonist for advanced glycation end-products (AGE) and inducible nitric oxide synthase (iNOS). 2. Male Sprague-Dawley rats were randomized into five groups, namely a normal control and four diabetic groups, which included an untreated diabetic group and groups treated with AMG (100 mg/kg, i.g.), CPU0213 (30 mg/kg, s.c.) or TTA (50 mg/kg, i.g.). Diabetes was induced by single injection of streptozotocin (60 mg/kg, i.p.) on the 1st day. The mRNA expression of prepro-endothelin-1 (ppET-1), endothelin-converting enzyme (ECE) and iNOS in the thoracic aorta and mRNA for ET(A) receptors and iNOS in the retina were detected by reverse transcription-polymerase chain reaction. Vasorelaxation to acetylcholine (ACh) and functional assessment of nitric oxide (NO) bioavailability was determined in the thoracic aorta. 3. We observed upregulated mRNA expression of iNOS, ppET-1 and ECE in the thoracic aorta and upregulated mRNA for the ET(A) receptor and iNOS in the retina in the untreated diabetic group. Vasodilatation mediated by ACh and NO bioavailability were markedly reduced in the thoracic aorta compared with the normal control group. These abnormalities were essentially reversed by TTA, CPU0213 or AMG, with the exception with that AMG did not modify vasodilatation to ACh. 4. These data suggest that upregulation of gene transcription of the ET system mediates depressed vasorelaxation, NO bioavailability and changes in iNOS and ET(A) receptors that reflect early retinopathy in diabetic rats. Total triterpene acid, in terms of pharmacological properties resembling the endothelin receptor antagonist CPU0213, is effective in normalizing expression of the ET system and iNOS in early diabetic retinopathy and vasculaopathy.
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