Neuropathogenic Viruses and Immunity

There has been a tremendous increase in interest in the neuropathogenicity of viruses during the past decade as we have come to recognize that the human immunodeficiency virus, which causes the acquired immunodeficiency syndrome (AIDS), can infect glial cells and cause neurological disease. Yet this increase has not been limited to AIDS but has extended to viruses that infect either or both the central and peripheral nervous systems. The changes examined here include both neurological and psychological diseases or syndromes. Moreover, the chapters in this volume review the interaction of the host immune system with the viruses examined and how such interactions may increase or decrease the neuropatho genicity of the viruses. Questions regarding viral neuropathogenesis include: (I) What is the mode of transmission of virus to the nervous system? (2) What types of cells are infected, and do they contain receptors for the virus? (3) What is the extent of damage that results from viral infection? (4) What are the immunologic mecha nisms by which damage is mediated or limited? Many of these questions remain unanswered, but this volume delves into efforts to provide some answers.

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This volume examines the broad range of viruses that infect the peripheral and central nervous systems, and immune system responses leading either to disease prevention or promotion.

Contenu

1. Viruses and Neuropsychiatric Disorders: Facts and Suppositions.- 1. The Facts.- 2. The Suppositions.- References.- I General Information.- 2. Immune Responses and the Central Nervous System.- 3. Virus Infection of Peripheral Nerve.- II Animal Models.- 4. Visna, a Lentiviral Disease of Sheep.- 5. Theiler's Virus-Induced Demyelinating Disease in Mice: Picornavirus Animal Model.- 6. Neurotropic Retroviruses of Mice, Cats, Macaques, and Humans.- 7. Scrapie: Unconventional Infectious Agent.- III Human Infections of the CNS.- 8. Enteroviruses.- 9. Pathogenesis and Immunology of Herpesvirus Infections of the Nervous System.- 10. Paramyxoviruses.- 11. Human Papovaviruses: JC Virus, Progressive Multifocal Leukoencephalopathy, and Model Systems for Tumors of the Central Nervous System.- 12. Neurological Aspects of Human Immunodeficiency Virus Infection.- 13. Alphaviruses, Flaviviruses, and Bunyaviruses.- IV Perspectives.- 14. Antiglycolipid Immunity: Possible Viral Etiology of Multiple Sclerosis.- 15. Viruses and Schizophrenia.- 16. The Role of Viruses in Dementia.- 17. Continuing the Investigation: Viruses and Neurological Disorders.