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Herpes Simplex Virus 1 Spread In Oligodendrocytic Cells Is Highly Dependent On Mal Proteolipid., José Antonio López-Guerrero, Carmen De La Nuez, Beatriz Praena, Enrique Sánchez-León, Claude Krummenacher, Raquel Bello-Morales

Faculty Scholarship for the College of Science & Mathematics

Myelin and lymphocyte protein (MAL) is a tetraspan integral membrane protein that resides in detergent-insoluble membrane fractions enriched in condensed membranes. MAL is expressed in oligodendrocytes, in Schwann cells, where it is essential for the stability of myelin, and at the apical membrane of epithelial cells, where it has a critical role in transport. In T lymphocytes, MAL is found at the immunological synapse and plays a crucial role in exosome secretion. However, no involvement of MAL in viral infections has been reported so far. Here, we show that herpes simplex virus 1 (HSV-1) virions travel in association with MAL-positive …