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Overexpression of tumour-associated carbohydrate antigen sialyl-Tn in advanced ...

Little is known on the expression of the tumour-associated carbohydrate antigen sialyl-Tn (STn), in bladder cancer. We report here that 75% of the high-grade bladder tumours, presenting elevated proliferation rates and high risk of recurrence/progression expressed STn. However, it was mainly found in non-proliferative areas of the tumour, namely in cells invading the basal and muscle layers. STn was also found ...

Optimization and characterization of biosurfactant production by Bacillus subti...

Biosurfactant production by three Bacillus subtilis strains (#309, #311 and #573) isolated from Brazilian crude oils was optimized based on different carbon and nitrogen sources. The lowest surface tension values were obtained using sucrose containing media for the three isolates. Biosurfactants produced by each strain were characterized by Fourier transform infrared spectroscopy (FTIR), proton nuclear magnetic...

Lysis buffer properties : influence on S. epidermidis biofilm proteome analysis

Besides being part of human commensal flora, S. epidermidis has the ability to colonize and form biofilms in artificial implants. Due to the particular characteristics of biofilms, conventional methods used to disrupt and lyses biofilms from Gram positive bacteria may include association between mechanical, enzymatic and chemical methods. Nevertheless, proteomic characterization is highly dependent of the extra...

Global transcriptomic analysis of dormancy within Staphylococcus epidermidis bi...

Protein Electrophoresis in Saliva Study

The following sections will give an overview about the use of electrophoresis in saliva studies. Methodological issues and the major advantages and limitations for the use of this technique in human and animal saliva studies will be presented. We will finish the chapter by presenting alternatives to electrophoresis for the study of salivary proteome.