The frontier between mind and body is becoming increasingly blurred. Historically, psychiatry and immunology have operated in distinct silos, treating mental disorders and physical illnesses as separate entities. However, recent advancements in precision medicine indicate that severe cases of psychosis and depression may have an unexpected biological root: the patient's own immune system attacking the brain.
These conditions, often labeled as primary psychiatric disorders, can be manifestations of autoimmune diseases, such as anti-NMDA receptor encephalitis. In these scenarios, the body produces defenses that, erroneously, target essential brain proteins for neuronal communication. The result is a cognitive and emotional collapse that mimics conditions such as schizophrenia, yet demands a radically different therapeutic approach, focused on immunomodulation.
This paradigm shift challenges conventional diagnosis and paves the way for the use of biomarkers in mental health. Instead of relying exclusively on clinical observation of behaviors, physicians are beginning to investigate the presence of specific antibodies in the blood or cerebrospinal fluid. For patients unresponsive to traditional treatments with antidepressants or antipsychotics, this discovery represents not merely a new explanation, but a tangible possibility of cure.
With information from Exame Inovação.
Source · Exame Inovação
