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#26012852   2015/09/26 Save this To Up

Retinol-binding protein-4 and hs-CRP levels in patients with migraine.

Retinol-binding protein-4 (RBP4) and high-sensitivity C-reactive protein (hs-CRP) levels are associated with inflammation in patients with migraine. The release of proinflammatory cytokines during migraine results in recurrent sterile neurogenic inflammation. This study aimed to determine the correlation between RBP4 and hs-CRP levels, and migraine, which is considered an inflammatory disease. The study included 48 migraine patients and 40 age- and gender-matched controls. Migraine was diagnosed according to International Classification of Headache Disorders-II. The serum RBP4 level was measured using a commercial ELISA kit and hs-CRP was measured using an enzyme immunoassay test kit. The serum RBP4 level was significantly lower in the migraine patients than in the controls (P < 0.001), whereas the hs-CRP level was significantly higher in the migraine patients (P < 0.001). RBP4 and hs-CRP levels did not differ between the migraine patients with and without aura (P > 0.05). Migraine headache severity, frequency and duration were not correlated with serum RBP or hs-CRP levels (P > 0.05). The observed high hs-CRP level and low RBP4 level in migraine patients suggest that vitamin A might play a major role in the pathogenesis of migraine. It is known that inflammation is a key factor in many diseases. Additional research might result in a better understanding of the anti-inflammatory effects of vitamin A.

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Anti C Reactive Protein A Mouse Anti-Human Retinol Rabbit Anti-APIP Apaf1 In Rabbit Anti-TNIP2 ABIN2 T Rabbit Anti-Cell death in Rabbit Anti-G protein alp C Reactive Protein (hs CR Rat intestinal fatty acid Native Human Retinol Bind Sheep Anti-Human Retinol Mouse Anti-Human Retinol Rabbit Anti-Rat Androgen

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#25076422   2014/07/31 Save this To Up

Plasma clusterin (ApoJ) levels are associated with adiposity and systemic inflammation.

Obesity and insulin resistance are hallmarks of the metabolic syndrome, which is associated with low-grade chronic inflammation. Clusterin/apolipoprotein J is an abundant plasma chaperone protein that has recently been suggested as a potential biomarker that reflects the inflammatory process in Alzheimer's disease. In the present study, we investigated anthropometric and clinical factors affecting the plasma levels of clusterin in healthy Korean subjects. We measured fasting plasma clusterin levels in healthy Korean adults (111 men and 93 women) using ELISA kit. We analyzed the relationship between plasma clusterin concentrations and anthropometric and clinical parameters. Fasting plasma clusterin concentrations were higher in overweight and obese subjects than in lean subjects. Correlation analysis revealed that the plasma clusterin levels were positively associated with indices of obesity such as body mass index (BMI), waist circumference and waist-hip ratio and markers of systemic inflammation such as high sensitivity C-reactive protein (hsCRP), uric acid, ferritin and retinol binding protein-4. Multiple linear regression analysis showed that sex, BMI and hsCRP were independent determinants of plasma clusterin levels. Furthermore, plasma clusterin levels showed an upward trend with increasing numbers of metabolic syndrome components. These findings suggest that fasting plasma clusterin levels correlate with the parameters of adiposity and systemic inflammation in healthy adults. Therefore, the circulating clusterin level may be a surrogate marker for obesity-associated systemic inflammation.

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Goat Anti-Rat Clusterin A Recombinant Canine ApoJ C Recombinant Canine ApoJ C Recombinant Canine ApoJ C Recombinant Canine ApoJ C Recombinant Canine ApoJ C Recombinant Canine ApoJ C Apo-J Clusterin, human pl Bovine Androstenedione,AS Goat Anti-Human Clusterin Non-sterile bovine plasm Non-sterile bovine plasm

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#23564281   2013/06/07 Save this To Up

In vitro effect of human serum and fetal calf serum on CD4+ T cells proliferation in response to myelin oligodendrocyte glycoprotein (MOG) in correlation with RBP/TTR ratio in multiple sclerotic patients.

Myelin oligodendrocyte glycoprotein (MOG) is one of the autoantigens used in evaluation of the CD4(+) T cells proliferation response in multiple sclerotic patients. In cell culture, human serum (HS) is one of the promising substitutions for fetal calf serum (FCS) that can induce different autoreactivity of T cells and fluctuation of autoantibody production from B cells. Because of immunomodulatory function of vitamin A, we examined the effect of HS and FCS on CD4(+) T cells proliferation in response to MOG in correlation with serum retinol-binding protein (RBP)/transthyretin (TTR) ratio, as an indirect way to assess vitamin A status in multiple sclerotic patients. Patients' peripheral blood mononuclear cells were isolated and cultured in the presence of MOG as well as FCS and HS both separately and together. Cell proliferation was evaluated using BrdU kit. Serum RBP and TTR levels were measured by ELISA kit. FCS and HS increase CD4(+) T cell proliferation. RBP/TTR ratio has significant negative correlation with cell proliferation in the presence of MOG, HS, and FCS. HS with FCS provides an appropriate medium for autoreactivity and proliferation of CD4(+) T cells. Vitamin A has a crucial role in regulation of this pathway.

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Human interleukin 2(IL-2) Recombinant Human Interfe Bovine prolactin-induced Goat Anti-Human TOM1L1 SR Multiple organ tumor tiss Multiple organ tumor tiss Multiple organ tumor tiss Frozen multiple human org Rabbit Anti-Human Toll In Sterile filtered fetal bo Sterile filtered fetal bo Sterile filtered fetal bo

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#21223811   2011/01/12 Save this To Up

[Depot-specific expression of retinol-binding protein 4 in human adipose tissue and their relationship with obesity and insulin resistance].

To explore the depot-specific mRNA and protein expression of retinol-binding protein 4 (RBP4) in human subcutaneous and omental adipose tissue and investigate their relationship with the serum RBP4 levels, obesity and insulin resistance.

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#21062789   2010/11/25 Save this To Up

Development of retinol-binding protein 4 immunocolloidal gold fast test strip using high-sensitivity monoclonal antibodies generated by DNA immunization.

DNA immunization is an efficient method for high-affinity monoclonal antibody generation. Here, we describe the generation of several high-quality monoclonal antibodies (mAbs) against retinol-binding protein 4 (RBP4), an important marker for kidney abnormality and dysfunction, with a combination method of DNA priming and protein boost. The mAbs generated could bind to RBP4 with high sensitivity and using these mAbs, an immunocolloidal gold fast test strip was constructed. The strip can give a result in <5 min and is very sensitive with a detection limit of about 1 ng/ml. A small-scale clinical test revealed that the result of this strip was well in accordance with that of an enzyme-labeled immunosorbent assay kit currently available on the market. Consequently, it could be useful for more convenient and faster RBP4 determination in the clinic.

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#19709697   2009/11/16 Save this To Up

Levels of retinol-binding protein 4 and uric acid in patients with type 2 diabetes mellitus.

Retinol-binding protein 4 (RBP4) is a novel adipocytokine. It was observed that retinoid intoxication was related to acute attacks of gout. Furthermore, animal study has shown that colchicine inhibits RBP secretion. The aim of this study was to explore the association between RBP4 level and metabolic parameters especially uric acid in patients with type 2 diabetes mellitus. Serum RBP4 level was measured by a commercial competitive enzyme-linked immunosorbent assay kit, and its correlation with clinical and metabolic parameters was analyzed. Data on 885 subjects were used in the analysis. Pearson correlations revealed that serum RBP4 level correlated positively with age, waist circumference, waist-to-hip ratio, systolic blood pressure, total cholesterol, triglyceride, uric acid, creatinine, and urine albumin-to-creatinine ratio. Serum RBP4 level correlated negatively with estimated glomerular filtration rate but did not correlate with body mass index, homeostasis model assessment, A(1C), or high-sensitivity C-reactive protein. Multiple linear regression analysis with serum RBP4 level as the dependent variable revealed that total cholesterol, triglyceride, uric acid, and albumin-to-creatinine ratio correlated independently and positively with serum RBP4 level and that estimated glomerular filtration rate correlated independently and negatively with serum RBP4 level. In conclusion, RBP4 level was independently associated with uric acid level.

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Mouse Anti-Human Retinol α-Acetamino-α-carboxy-( (1S,3S)-1-(1,3-Benzodioxo (1R,3S)-1-(1,3-Benzodioxo Rat intestinal fatty acid Carboxyfluorescein diacet Indazole 3 carboxylic aci CD40 Ligand protein CD40 Top 4 types of cancer (co PSAP (Prostate Specific Glial Fibrillary Acidic Acyl CoA binding Protein

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#18506842   2008/07/10 Save this To Up

Retinol-binding protein 4: a new marker of virus-induced steatosis in patients infected with hepatitis c virus genotype 1.

Retinol-binding protein 4 (RBP4) is an adipocytokine associated with insulin resistance (IR). We tested serum levels of RBP4 to assess its link with steatosis in patients with genotype 1 chronic hepatitis C (CHC) or nonalcoholic fatty liver disease (NAFLD). Nondiabetic patients with CHC (n = 143) or NAFLD (n = 37) were evaluated by liver biopsy and anthropometric and metabolic measurements, including IR by the homeostasis model assessment. Biopsies were scored by Scheuer classification for CHC, and Kleiner for NAFLD. Steatosis was tested as a continuous variable and graded as absent-mild <30%, or moderate-severe > or =30%. Thirty nondiabetic, nonobese blood donors served as controls. RBP4 levels were measured by a human competitive enzyme-linked immunosorbent assay kit (AdipoGen). Mean values of RBP4 were similar in NAFLD and CHC (35.3 +/- 9.3 microg/L versus 36.8 +/- 17.6; P = 0.47, respectively), and both were significantly higher than in controls (28.9 +/- 12.1; P = 0.02 and P = 0.01, respectively). RBP4 was higher in CHC patients with steatosis than in NAFLD (42.1 +/- 19.7 versus 35.2 +/- 9.3; P = 0.04). By linear regression, RBP4 was independently linked to steatosis only (P = 0.008) in CHC, and to elevated body mass index (P = 0.01) and low grading (P = 0.04) in NAFLD. By linear regression, steatosis was independently linked to homeostasis model assessment score (P = 0.03) and high RBP4 (P = 0.003) in CHC. By logistic regression, RBP4 was the only variable independently associated with moderate-severe steatosis in CHC (odds ratio, 1.045; 95% confidence interval, 1.020 to 1.070; P = 0.0004), whereas waist circumference was associated with moderate-severe steatosis in NAFLD (odds ratio, 1.095; 95% confidence interval, 1.007 to 1.192; P = 0.03).

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#17636228   2007/07/19 Save this To Up

Increased serum retinol-binding protein 4 concentrations in women with gestational diabetes mellitus.

The authors hypothesized that serum retinol-binding protein 4 (RBP4) concentrations will be higher in gestational diabetes mellitus (GDM) subjects. This study tested both women with GDM and healthy pregnant women and correlated their serum RBP4 concentrations with body mass index (BMI) and a variety of other parameters. Also, since there is no information on the relationship between RBP4 concentrations in maternal and fetal serum, this study measured these at delivery and examined whether there were correlations between the cord serum RBP4 levels and maternal serum RBP4 concentrations, neonatal birth weights, and gestational age at delivery. A total of 40 women were evaluated: 20 women with GDM and 20 healthy pregnant women to serve as control subjects. Serum RBP4 concentrations were analyzed with the use of an enzyme-linked immunosorbent assay kit. Serum RBP4 concentrations at glucose challenge test (GCT) were significantly higher in the GDM group (42.4 +/- 13.8 ng/mL) than in the healthy control group (32.0 +/- 8.7 ng/mL; P = .007). BMI at GCT (P = .003) and GDM/no GDM (P = .014) were significantly correlated to serum RBP4 concentrations at GCT by multiple linear regression analysis. In GDM subjects, serum RBP4 concentrations immediately after delivery were significantly lower than those at GCT (30.1 +/- 11.0 ng/mL, 42.4 +/- 13.8 ng/mL; P < .001), but there was no such difference in normal subjects (30.9 +/- 10.0 ng/mL, 32.0 +/- 8.7 ng/mL; P = .581). Cord serum RBP4 concentrations were significantly lower than maternal serum RBP4 concentrations at delivery (10.9 +/- 3.8 ng/mL, 30.5 +/- 10.4 ng/mL; P < .001). Only fetal birth weight (P = .049) was independently related to cord serum RBP4 concentrations at delivery by multiple linear regression analysis. This study found increased serum RBP4 concentrations at GCT in GDM subjects, and GDM was significantly correlated to serum RBP4 levels after adjustment for the effect of BMI. Lower RBP4 concentrations were found at delivery in GDM subjects. Maternal serum RBP4 concentrations were significantly higher than cord serum RBP4 concentrations, and fetal birth weights were independently correlated to cord serum RBP4 concentrations. These findings may indicate that RBP4 plays a role in the pathogenesis of GDM. However, further experiments are required to clarify this role and find a possible regimen for GDM treatment.

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Retinol Binding Protein S Mouse Anti-Human Retinol Rabbit Anti-APIP Apaf1 In Rabbit Anti-TNIP2 ABIN2 T Rabbit Anti-Cell death in Rabbit Anti-G protein alp Rat intestinal fatty acid Bovine prolactin-induced Chicken S100 calcium bind Native Human Retinol Bind Sheep Anti-Human Retinol Mouse Anti-Human Retinol

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