With a SuperBoost tyramide kit, I got excessive and non-specific labeling. What can I do to limit background and acquire a more localized labeling?
To limit background, we recommend performing a pre-blocking step with 3% H2O2 for 60 mins to inactivate endogenous peroxidases. To limit the localization of labeling, we recommend optimizing the final concentration of the primary and secondary antibodies and the dye-tyramide. You may also limit the incubation time of the dye-tyramide on the sample.
How are SuperBoost tyramide kits different from the original TSA labeling kits?
The SuperBoost tyramide kits utilize poly-HRP labeled antibodies. This provides a greater number of horseradish peroxidase (HRP) molecules per antibody. The original kits used antibodies and streptavidin that were directly conjugated with HRP and thus, limited the number per antibody or streptavidin.
Human liver-kidney model elucidates the mechanisms of aristolochic acid nephrotoxicity.
Authors:Chang SY, Weber EJ, Sidorenko VS, Chapron A, Yeung CK, Gao C, Mao Q, Shen D, Wang J, Rosenquist TA, Dickman KG, Neumann T, Grollman AP, Kelly EJ, Himmelfarb J, Eaton DL,
Journal:JCI Insight
PubMed ID:29202460
Environmental exposures pose a significant threat to human health. However, it is often difficult to study toxicological mechanisms in human subjects due to ethical concerns. Plant-derived aristolochic acids are among the most potent nephrotoxins and carcinogens discovered to date, yet the mechanism of bioactivation in humans remains poorly understood. Microphysiological ... More
Optimization of prostate cancer cell detection using multiplex tyramide signal amplification.
Approximately 29?000 men die of prostate cancer (PCa) each year in the United States, and 90% to 100% of them are due to incurable bone metastasis. It is difficult to determine (1) when PCa disseminates in the natural history of the disease; (2) where cancer cell disseminates before becoming overt ... More