The rabbit anti-human PAD2 and PAD4 antibodies were obtained from Proteintech (12110–1-AP; Rosemont, IL) and Sigma-Aldrich (P4749; St. Louis, MO), respectively. The rabbit anti-human caspase-3, activating transcription factor 4 (ATF4), 78 kDa Glucose-regulated Protein (GRP78) and beta actin antibodies were obtained from Abcam (ab4051; Cambridge, UK), Santa Cruz Biotechnology (sc-200; Dallas, TX), LS Bio (LS-C312961; Seattle, WA), and Abcam (ab8227), respectively. The mouse anti-dog/cat estrogen receptor alpha (ERα) antibody was obtained from Thermo Fisher Scientific (MA5–13065; Waltham, MA). The human anti-modified citrulline antibody was obtained from Millipore (MABS487; Darmstadt, Germany). Alexa 488-conjugated goat anti-rabbit antibodies, HRP-conjugated goat anti-mouse antibodies, HRP-conjugated goat anti-rabbit and HRP-conjugated goat anti-human antibodies were all obtained from Jackson ImmunoResearch Labs (West Grove, PA). The PAD inhibitor, BB-CLA, was synthesized as previously described and diluted in dimethyl sulfoxide (DMSO) [25 (link)].
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