Sponsored Content by Yokogawa Electric Corporation Reviewed by Olivia Frost Feb 3 2026 Thought Leaders Dr. Lena Smirnova Assistant Professor John Hopkins University In a recent webinar, Dr. Lena Smirnova explained how brain microphysiological systems are transforming in vitro neurotoxicity testing and disease modeling. NewsMedical compiled the key highlights in the interview below. Can you please introduce yourself and your role at Johns Hopkins University? I'm Lena Smirnova, Assistant