Search results for: ELISA Insulin ,Multispecies
#23291015 2012/11/29 To Up
Development, validation, and pilot application of a semiquantitative Western blot analysis and an ELISA for bovine adiponectin.
Adiponectin is an adipose tissue-derived glycoprotein circulating as highly abundant multimers. It regulates glucose metabolism and insulin sensitivity. In ruminants, valid data about serum concentrations and tissue-specific protein expression are lacking, and we, therefore, aimed to generate a polyclonal antibody against bovine adiponectin to apply it in immunodetection. The specificity of the purified anti-adiponectin antibody was established by Western blot analysis with the use of reducing and denaturing conditions applied to both the purified protein and the bovine serum samples. Besides bovine serum, the applicability of the antibody for immunodetection of adiponectin was confirmed for the supernatant fluid of in vitro-differentiated bovine adipocytes, for protein extracts from bovine adipose tissue, and also in a multispecies comparison: bands comparable in size with monomeric bovine adiponectin were obtained under denaturing conditions in serum of camel, horse, human, mouse, pig, roe deer, and sheep. In addition, when used in immunohistochemistry on bovine adipose tissue sections, a characteristic adipocyte-specific staining pattern was obtained with this antibody. The antibody was used for establishing a semiquantitative Western blot procedure and the development of an ELISA. Both methods were extensively validated and were first applied to characterize the serum adiponectin concentrations in multiparous dairy cows during the transition from pregnancy to lactation, that is, 3 wk before until 5 wk after calving. With both assays a time effect (P = 0.017, P = 0.026, respectively) with lowest values at the day of parturition was observed. We thus established 2 useful tools to validly assess bovine adiponectin at the protein level.M Mielenz, B Mielenz, S P Singh, C Kopp, J Heinz, S Häussler, H Sauerwein
1288 related Products with: Development, validation, and pilot application of a semiquantitative Western blot analysis and an ELISA for bovine adiponectin.
96T0.1ml0.1ml (1mg/ml)0.1ml0.1ml (1mg/ml)0.1ml0.1ml (1mg/ml)0.2 mg96 wells (1 kit)0.1ml100ug100ug LyophilizedRelated Pathways
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