• Marta Martínez-Morga, Jose Manuel Hernandez-Lopez, Cristina Hernandez-Medina, Salvador Martínez-Morga, and Salvador Martínez.
• Instituto de Neurociencias UMH-CSIC, San Juan de Alicante. España.
• Medicina (B Aires). 2023 Mar 1; 83 Suppl 2: 252-5.

AbstractThe COVID-19 pandemic spread around the world due to the enormous transmission of the SARSCoV-2 among humans. COVID-19 represents a threat to global public health. The entry of this virus into cells is greatly facilitated by the presence of angiotensin-converting enzyme 2 (ACE2) in the cell membrane. Today we do not have a precise understanding of how this receptor expresses in the brain during human development and, as a consequence, we do not know whether neural cells in the developing brain are susceptible to infection. We review the knowledge about ACE2 expression in the developing human brain, with special attention to the fetal stage. This stage corresponds to the period of the cerebral cortex formation. Therefore, SARS-CoV-2 infection during the fetal period may alter the normal development of the cerebral cortex. Although few cases have been published demonstrating vertical transmission of SARS-CoV-2 infection, the large number of infected young people may represent a problem which requires health surveillance, due to the possibility of cognitive alterations and abnormalities in the development of cortical circuits that may represent a predisposition to mental problems later in life.

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