青霉素起初是从真菌青霉菌中提纯制成,其作用机制为直接干扰细菌细胞壁的合成以及间接通过触发酶释放来进一步改变细胞壁。链霉素起初是从灰色链霉菌中提纯制成。其作用机制为与细菌核糖体的 30S 亚单位结合,进而抑制蛋白合成,导致敏感细菌死亡。两性霉素 B 是一种抗真菌剂,可通过提高真菌质膜透性来抑制真菌和酵母菌的生长。
Can I use antibiotics such as Pen-Strep or Antibiotic-Antimycotic (100X) when culturing Sf9 insect cells?
Yes, however, we do not recommend adding antibiotics to the medium at the time of thawing. Thaw cells into medium without antibiotic and allow the cells to recover from the thawing process. After that, you can add antibiotics by diluting into the medium.
Common variation at 6q16 within HACE1 and LIN28B influences susceptibility to neuroblastoma.
Authors:Diskin SJ, Capasso M, Schnepp RW, Cole KA, Attiyeh EF, Hou C, Diamond M, Carpenter EL, Winter C, Lee H, Jagannathan J, Latorre V, Iolascon A, Hakonarson H, Devoto M, Maris JM,
Journal:Nat Genet
PubMed ID:22941191
Neuroblastoma is a cancer of the sympathetic nervous system that accounts for approximately 10% of all pediatric oncology deaths. Here, we report a genome-wide association study of 2,817 neuroblastoma cases and 7,473 controls. We identified two new associations at 6q16, the first within HACE1 (rs4336470; combined P=2.7×10(-11); odds ratio 1.26, ... More
Wnt-induced activation of glucose metabolism mediates the in vivo neuroprotective roles of Wnt signaling in Alzheimer disease.
Authors:Cisternas P, Zolezzi JM, Martinez M, Torres VI, Wong GW, Inestrosa NC
Journal:J Neurochem
PubMed ID:30300917
'Dysregulated Wnt signaling is linked to major neurodegenerative diseases, including Alzheimer disease (AD). In mouse models of AD, activation of the canonical Wnt signaling pathway improves learning/memory, but the mechanism for this remains unclear. The decline in brain function in AD patients correlates with reduced glucose utilization by neurons. Here, ... More
Human antigen R protein modulates vascular endothelial growth factor expression in human corneal epithelial cells under hypoxia.
Authors:Hung KF, Sun YC, Liou HM, Hu FR
Journal:J Formos Med Assoc
PubMed ID:31262614
'Corneal avascularity is critical for corneal transparency; therefore, a tailored process has been presumed to minimize corneal neovascularization (NV). In most cell types, the transcription of vascular endothelial growth factor (VEGF) is up-regulated, and the stability of VEGF mRNA is sustained by human antigen R (HuR) during hypoxia; however, whether ... More
Increased O-GlcNAcylation of c-Myc Promotes Pre-B Cell Proliferation.
Authors:Lee DH, Kwon NE, Lee WJ, Lee MS, Kim DJ, Kim JH, Park SK
Journal:Cells
PubMed ID:31936366
O-linked ß-N-acetylglucosamine (O-GlcNAc) modification regulates the activity of hundreds of nucleocytoplasmic proteins involved in a wide variety of cellular processes, such as gene expression, signaling, and cell growth; however, the mechanism underlying the regulation of B cell development and function by O-GlcNAcylation remains largely unknown. Here, we demonstrate that changes ... More