Abstract
Nucleolin is a multifunctional phosphoprotein that is ubiquitously distributed in the nucleus, nucleoplasm, cytoplasm, and cell membrane. The principal functions of nucleolin involve DNA and RNA metabolism, gene transcription and translation, ribosome biogenesis, and mRNA stability. Ferroptosis is a type of regulated cell death that is characterized by the iron-dependent accumulation of lipid peroxidation products. In a previous study, we produced monoclonal antibodies (mAbs) against lysates prepared from ferroptosis-induced Hepa 1-6 cells. In this study, we describe one of those rat mAbs, 4B5, which was generated against mouse nucleolin. This mAb was useful in immunofluorescence staining, immunoblotting, and immunoprecipitation experiments, and was confirmed to recognize endogenous nucleolin in mouse cell lines and tissues. We anticipate that mAb 4B5 will be useful for functional analyses of nucleolin.
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