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Red blood cell distribution width (RDW) is a parameter reported in blood routine examination, and has been reported as an inflammatory biomarker. The objective of this study was to investigate the significance of RDW in NSCLC patients with EGFR mutations.
The clinical data of 102 patients with NSCLC who underwent radical resection surgery in the First Affiliated Hospital of Wenzhou Medical University from December 2012 to November 2017 were collected. Kaplan-Meier survival analysis and Cox proportional hazard models were used to examine the effect of RDW on survival.
The RDW levels were divided into two groups high RDW (≥ 13.1%), n = 47 vs. low RDW, n = 55 (< 13.1%). Univariate analysis showed that there were significant associations of high RDW values with smoking history and brain metastasis. Forty-seven patients with elevated RDW levels had shorter progression-free survival (PFS) than 55 patients with normal RDW levels (264 vs. 310 days, p = 0.039).
RDW is associated with several factors that reflect inflammation and malnutrition in lung cancer patients. Moreover, high levels of RDW are associated with poor survival.
RDW is associated with several factors that reflect inflammation and malnutrition in lung cancer patients. Moreover, high levels of RDW are associated with poor survival.
Iron deficiency and thalassemia are two commonly encountered microcytic and hypochromic anemias. SAR 245509 The primary objective was to find the best discriminant formula between alpha thalassemia and iron deficiency to be used in premarital screening centers. The secondary objective, was to find cutoff values that might differentiate alpha thalassemia, beta thalassemia, and iron deficiency collectively.
A total of 224 females divided into four groups (normal, alpha thalassemia, beta thalassemia, and iron deficiency) were recruited in this study after carrying out complete blood count, hemoglobin electrophoresis, serum ferritin, and molecular analysis. Based upon the laboratory data, 26 discriminant formulas (DF) were applied to differentiate alpha thalassemia, beta thalassemia, and iron deficiency anemia. Receiver Operating Characteristic (ROC) curve was constructed and sensitivity, specificity, and Youden's index were determined.
In this study, Shine and Lal, Ehsani, Telissani, Sirachainan, Hisham, Kandhro 2, after excluding beta thalassemia; however, further confirmation is mandatory for genetic counselling and iron supplementation. Furthermore, Bordbar, Kerman index I, and Huber-Herklotz index showed the lowest performance in the discrimination of alpha thalassemia and iron deficiency.
The study aimed to assess the analytical performance of the Access Sensitive Estradiol (SNSE2) Assay on a DxI800 (Beckman Coulter, Brea, CA, USA) and compared it with a Cobas E 601 (Roche Diagnostics, Penzberg, Germany).
SNSE2 was assessed for imprecision, accuracy, limit of blank (LoB), limit of detection (LoD), limit of quantitation (LoQ), linearity, interference, and carryover. Two hundred and fourteen samples were run on both instruments. Bland-Altman plots, Passing-Bablok regression, and concordance correlation coefficient (CCC) graphs were used for comparisons.
Access SNSE2 showed appropriate assay performance characteristics in terms of imprecision, LoB, LoD, LoQ, linearity, and interference. The Bland-Altman analysis of DxI 800 yielded negative bias from Cobas E 601 and the deviations for E2 ≤ 150 pmol/L, 150 - 500 pmol/L, and ≥ 500 pmol/L were found as 0.8%, -15%, and -8.9%, respectively. DxI 800 and E170 systems showed poor agreement for E2 levels ≤ 150 pmol/L and 150 - 500 pmol/L with CCC values of 0.7404 and 0.8342. For E2 levels ≤ 150 pmol/L there was a significant amount of both proportional and constant error with the highest slope of 1.518 (1.269 to 1.761) and an intercept of -45.08 (-66.09 to 18.78, respectively, according to the Passing-Bablok regression analysis).
Analytical performance for SNSE2 assay was found appropriate. However, attempts to improve harmonization and standardization across assays do not seem to contribute much for E2 measurements. Results obtained with different systems cannot be used interchangeably and follow up of patients should be done with the same system.
Analytical performance for SNSE2 assay was found appropriate. However, attempts to improve harmonization and standardization across assays do not seem to contribute much for E2 measurements. Results obtained with different systems cannot be used interchangeably and follow up of patients should be done with the same system.
Diabetic peripheral neuropathy (DPN) is one of the most common and complex chronic complications of diabetes, but it is clinically lacking effective means for early diagnosis and early treatment. MicroRNA, in the occurrence and development of the disease, has an important regulatory role. Its role in diabetes has been reported more. However, specific research on microRNA in DPN is rare.
Based on the results of bioinformatics screening, miR-377 and miR-216a, their respective target molecules growth association protein 43 (GAP-43) and angiopoietin-like 4 protein (ANGPTL4), and related pathways peroxisome proliferator activated receptor gamma (PPARG) and chemerin were tested by RT-qPCR and ELISA in blood samples of DPN to analyze the correlation between these differentially expressed molecules and clinico-pathological factors of DPN.
In this study, we found that miR-377, miR-216a, GAP-43, ANGPTL4, and PPARG were significantly differentially expressed genes for DPN. The correlation analysis showed that they were closely related to the clinical indicators of DPN suggesting that they may be involved in the development of DPN. In addition, receiver operating characteristic (ROC) curves generated for miR216a, miR377, ANGPTL4, GAP43, PPARG revealed that they can be used as new molecular diagnostic markers of DPN.
miR-216a, miR-377, ANGPTL4, GAP-43, and PPARG could potentially be biomarkers of DPN.
miR-216a, miR-377, ANGPTL4, GAP-43, and PPARG could potentially be biomarkers of DPN.
To investigate the clinical value of serum concentration of carcinoembryonic antigen (CEA), carbohydrate antigen 24-2 (CA24-2), and carbohydrate antigen 19-9 (CA19-9) in the detection of colorectal cancer (CRC).
The serum levels of tumor markers and KRAS/NRAS/PIK3CA/BRAF gene mutations were detected in patients with colorectal cancer. Clinical medical records in colorectal cancer patients were collected.
A total of 2,281 patients were recruited in the study, included 1,578 colorectal cancer patients and 703 controls. CEA, CA24-2, and CA19-9 concentrations were significantly higher in the colorectal cancer group than in the control group. The sensitivity of these tumor markers sorted in descending order was CEA>CA19-9>CA24-2. The best specificity was CA24-2, followed by CA19-9 and CEA, with all were more than 92%. The combination of CEA, CA19-9, and CA24-2 ranked the best sensitivity and specificity for colorectal cancer diagnosis. The prediction equation excluding the risk of colorectal cancer was.
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