Advances in Research of Insect Cell Engineering Antitumor mechanism of ursolic acid on human gastric cancer cell lines SGC7901 in vitro Selection of Ginkgo biloba cell line for suspension culture and studies on stability of ginkgolide B in subculture The Chromosome Analysis of 7 Insect Cell Lines from Lepidoptera Measurement and Analysis of Cytotoxicity of 5 Insect Cell Lines Induced by Some Pesticides ESTABLISHMENT OF CELL SUSPENSION CULTURE AND SCREENING OF SALINE-TOLERANT SOMATIC VARIANTSOF POPULUS POPULARIS“39” Establishment of a CRISPR/Cas9 Lentiviral System for Knockout Gene AIP1 of Human The Chromosome Analysis of 5 Diptera Insect Cell Lines Effective of ginkgolides on expression of apoptosis related gene during PC12 cells glucose deprivation Antitumor activities of Rhodomela confervoides Somatic Embryogenesis and Multiplicity of Chromosome Number in Embryogenic Cell Lines of Larix ssp. The Inhibiting Effect of Genistein on the Growth of Human Breast Cancer Cells in Vitro Survey and Analysis for Susceptibility of in vitro Cultured Insect Cell Lines to AcNPV and BmNPV Cell Culture and Selection of High Flavonoids- producing Cell Lines in Saussurea medusa Construction and Plant Regeneration of F1 Cell Lines of Suspension Culture between Leymus chinensis and Leymus cinereus THE ULTRASTRUCTURAL OBSERVATION OF WHEAT SALT TOLERANCE CELL LINES OF CALLI