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The peptide mass fingerprint data and mass spectrometry data were combined, and the combined data set was submitted to Mascot (Matrix Science, Boston, MA, USA) for protein identification. The searching parameters were set as follows: rattus norvegicus and trypsin cleavage (one missed cleavage allowed), and carbamidomethyl and oxidation as fixed modifications. Only significant hits, as defined by the Mascot probability analysis (P? http://www.selleckchem.com/products/liproxstatin-1.html killed by spinal dislocation, the bladders were excised, and portions were used for western blot analysis and for histopathological and immunohistochemical analysis. For histopathological observation, specimens were fixed in 10% phosphate-buffered formalin, dehydrated and embedded in paraffin according to standard procedures. Serial paraffin sections 4�C5?��m were taken and oven dried at 60?��?5��C for 2?h. Sections were http://www.selleckchem.com/products/midostaurin-pkc412.html deparaffinized in xylene and rehydrated in graded alcohol, stained routinely with hematoxylin�Ceosin, and examined under light microscope (Axioskop 2 MAT, Zeiss, Germany). The DAKO ChemMate EnVision Detection Kit (Envision system; DAKO, GK500705; Uscn Life Science, Wuhan, China) was used for immunohistochemical examination. Epitope retrieval was achieved by boiling sections in the ethylenediaminetetraacetic acid buffer at pH?8.0 in a high-pressure cooker for 20?min. Sections were allowed to cool at room temperature, rinsed thoroughly with distilled water and then incubated for 10?min with 3% hydrogen peroxide to neutralize endogenous peroxidases. Sections were then incubated for 60?min at 37��C with primary antibodies against transgelin (1/1000 dilution; Abcam, Cambridge, UK). The manufacturer's instructions were followed for the Chemmate EnVison HRP immunostaining technique. Sections were then restained with hematoxylin, dehydrated with graded ethanol, vitrified by xylene, mounted with neutral balsam and observed under the light microscope. Cytoplasm and cell membrane containing brown-yellow granules were defined as positive cells, and the integrated optical density of the positive cells were detected by using Image-Pro Plus version 6.0 (Media Cybernetics, Rockville, MD, USA). Phosphoprotein purification columns were used to purify https://en.wikipedia.org/wiki/Ketanserin phosphoprotein and non-phosphoprotein samples of blank control, NS, LK and HK groups. All procedures were according to the guidelines of PhosphoProtein Purification Kit (QIAGEN Cat. No. 37101, PhosphoProtein Handbook). For western blot analysis, proteins from each group were prepared according to the procedure of Protein Extraction Kit (Beyotime Institute of Biotechnology, Shanghai, China). Protein concentration was measured by the Bradford method (Bio-Rad Laboratories). Aliquots of the lysates (25�C40?��g protein) were separated on 14% SDS�CPAGE and transferred onto polyvinylidene difluoride membranes (Bio-Rad Laboratories) with a transfer buffer.