The degree of apoptosis in a cell population is an important parameter, Many pathways and signals lead to apoptosis, but these converge on a single mechanism that actually causes the death of the cell, Tumor cells and embryonic cells at certain stages often have abnormal cycles of division, The apoptosis and Cell cycle analysis assay are widely used methods to study anti-proliferative effect after irradiation or cytotoxic agent administration treatments. TOPBIOTECH provide apoptosis analysis and Cell cycle analysis.