Immunohistochemistry Anti-Glial Fibrillary Acidic Protein (GFAP)

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Get tips on using DC™ Protein Assay Kit I to perform Protein quantification Mammalian cells - Rat mesenteric smooth muscle cells

Products Bio-Rad Laboratories DC™ Protein Assay Kit I

Get tips on using AllPrep RNA/Protein Kit to perform RNA isolation / purification Cells - primary human epidermal keratinocytes

Products Qiagen AllPrep RNA/Protein Kit

Get tips on using Goat anti-Mouse IgG (H+L) Secondary Antibody, Alexa Fluor® 568 conjugate to perform Flowcytometry Secondary Antibody - Goat Mouse Alexa Fluor 568

Products Thermo Fisher Scientific Goat anti-Mouse IgG (H+L) Secondary Antibody, Alexa Fluor® 568 conjugate

Get tips on using Goat anti-Rabbit IgG (H+L) Secondary Antibody, Alexa Fluor® 488 conjugate to perform Flowcytometry Secondary Antibody - Goat Rabbit Alexa Fluor 488

Products Thermo Fisher Scientific Goat anti-Rabbit IgG (H+L) Secondary Antibody, Alexa Fluor® 488 conjugate

Get tips on using Pierce™ BCA Protein Assay Kit to perform Protein quantification Mammalian cells - Rat vascular smooth muscle cells (vSMCs)

Products Thermo Fisher Scientific Pierce™ BCA Protein Assay Kit
CDX2 Product

Get tips on using CDX2 to perform Immunohistochemistry Human - CDX2

Products BIOCARE MEDICAL CDX2

Protein expression refers to the techniques in which a protein of interest is synthesized, modified or regulated in cells. The blueprints for proteins are stored in DNA which is then transcribed to produce messenger RNA (mRNA). mRNA is then translated into protein. In prokaryotes, this process of mRNA translation occurs simultaneously with mRNA transcription. In eukaryotes, these two processes occur at separate times and in separate cellular regions (transcription in nucleus and translation in the cytoplasm). Recombinant protein expression utilizes cellular machinery to generate proteins, instead of chemical synthesis of proteins as it is very complex. Proteins produced from such DNA templates are called recombinant proteins and DNA templates are simple to construct. Recombinant protein expression involves transfecting cells with a DNA vector that contains the template. The cultured cells can then transcribe and translate the desired protein. The cells can be lysed to extract the expressed protein for subsequent purification. Both prokaryotic and eukaryotic protein expression systems are widely used. The selection of the system depends on the type of protein, the requirements for functional activity and the desired yield. These expression systems include mammalian, insect, yeast, bacterial, algal and cell-free. Each of these has pros and cons. Mammalian expression systems can be used for transient or stable expression, with ultra high-yield protein expression. However, high yields are only possible in suspension cultures and more demanding culture conditions. Insect cultures are the same as mammalian, except that they can be used as both static and suspension cultures. These cultures also have demanding culture conditions and may also be time-consuming. Yeast cultures can produce eukaryotic proteins and are scalable, with minimum culture requirements. Yeast cultures may require growth culture optimization. Bacterial cultures are simple, scalable and low cost, but these may require protein-specific optimization and are not suitable for all mammalian proteins. Algal cultures are optimized for robust selection and expression, but these are less developed than other host platforms. Cell-free systems are open, free of any unnatural compounds, fast and simple. This system is, however, not optimal for scaling up.

Proteins Protein Expression Prokaryotic cells E. coli rabbit voltage-dependent calcium channel β2a subunit

Proteins Protein enrichment Soluble nuclear proteins

Proteins Protein enrichment Total nuclear proteins

Get tips on using SuperSignal™ Enhanced Molecular Weight Protein Ladder to perform Protein Ladder Unstained

Products Thermo Fisher Scientific SuperSignal™ Enhanced Molecular Weight Protein Ladder

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