Kaitlin R Carroll, Mark Mizrachi, Sean Simmons, Bahtiyar Toz, Czeslawa Kowal, Jeffrey Wingard, Nazila Tehrani, Aida Zarfeshani, Nina Kello, Lara El Khoury, Rachel Weissman-Tsukamoto, Joshua Z Levin, Bruce T Volpe, Betty Diamond
Cognitive impairment is a frequent manifestation of neuropsychiatric systemic lupus erythematosus, present in up to 80% of patients and leading to a diminished quality of life. In the present study, we used a model of lupus-like cognitive impairment that is initiated when antibodies that crossreact with excitatory neuronal receptors penetrate the hippocampus, causing immediate, self-limited, excitotoxic death of hippocampal neurons, which is then followed by a significant loss of dendritic complexity in surviving neurons...
March 6, 2024: Nature Immunology