Immunohistochemistry Anti-rabbit IgG Donkey

Get tips on using Monoclonal Mouse Anti-Thyroid Transcription Factor (Concentrate) Clone 8G7G3/1 to perform Immunohistochemistry Human - TTF-1

Get tips on using Purified Mouse Anti-β-Catenin Clone 14/Beta-Catenin (RUO) to perform Immunohistochemistry Human - β-catenin

Get tips on using Monoclonal Mouse Anti-Human p53 Protein (Dako Omnis) Clone DO-7 to perform Immunohistochemistry Human - p53

TUNEL assay is the cell death detection method where the biochemical marker of apoptosis is DNA fragmentation. The assay involves the microscopical detection of generated DNA fragments with free 3'-hydroxyl residues. in apoptotic cells using enzyme terminal deoxynucleotidyl transferase (TdT) which adds biotinylated nucleotides at the site of DNA breaks. Major challenges of this method involve proper access of the enzyme which could be hampered by poor permeabilization and/or excessive fixation with cross-linking fixative (common with archival tissue). This issue can be resolved by optimizing the incubation time with Proteinase K or CytoninTM.

Get tips on using Monoclonal Mouse Anti-Human Ki-67 Antigen (Dako Omnis) Clone MIB-1 to perform Immunohistochemistry Human - Ki-67

Protein isolation is a technique that involves isolation and/ or purification of protein from cells or tissues via chromatography or electrophoresis. The major challenges in protein isolation include: 1. The concentration of proteins in cells is variable and tends to be small for some intracellular proteins. Unlike nucleic acids, proteins cannot be amplified. 2. Proteins are more unstable than nucleic acids. They are easily denatured under suboptimal temperature, pH or salt concentrations. 3. Finally, no generalized technique/protocol can be applied for protein isolation. Proteins may have different electrostatic (number of positively or negatively charged amino acids) or hydrophobic properties. Therefore, protein purification requires multiple steps depending on their charge (a negatively charged resin/column for positively charged proteins and vice-versa), dissolution (using detergents) and unlike in the case of DNA and RNA, instead of using salts, proteins should be isolated by isoelectric precipitation.

Get tips on using anti-alpha-Smooth Muscle Actin mouse monoclonal, ASM-1 to perform Immunohistochemistry Alpha smooth muscle Actin - Mouse -NA- -NA-

Get tips on using Monoclonal Mouse Anti-Human E-Cadherin (Dako Omnis) Clone NCH-38 to perform Immunohistochemistry Human - E-Cadherin

Get tips on using Monoclonal Mouse Anti-Human Cytokeratin 7 (Dako Omnis) Clone OV-TL 12/30 to perform Immunohistochemistry Human - CK7

When extracting nucleic acids from cell cultures, thorough homogenization of cells via vortexing in lysis buffer is very necessary. Choose the best RNA isolation method keeping in mind the downstream applications, generally, column-based isolations result in clean and concentrated RNA samples. Downstream applications like sequencing and cDNA synthesis require high-quality RNA, always treat the samples with DNases and check their integrity by running a gel.