Guarding the Blood-Brain Barrier: A Role for Estrogen in the Etiology of Neurodegenerative Disease

Author: SOHRABJI, FARIDA¹

Source: Gene Expression, Volume 13, Number 6, 2006 , pp. 311-319(9)

Publisher: Cognizant Communication Corporation

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The Molecular and Cellular Biology area of Gene Expression covers all aspects of the gene including it structure, functions, and regulation in prokaryotes, eukaryotes, and viruses; molecular and cell biological aspects of cell growth and development, chromatin structure and function. These include topics such as DNA replication, DNA repair, gene transcription, transcriptional control, RNA processing, posttranscriptional control, oncogenes, molecular mechanisms of action of hormones, molecular mechanism of cellular differentiation, growth and development, protein synthesis, and posttranslational control.
The Molecular and Cellular Neuroscience area of Gene Expression covers all aspects of gene expression as described but is devoted exclusively to the nervous system in health and disease. Topics include studies of neurogenesis, development, aging, and neurodegeneration. Complex neural systems, motor control, special senses, and higher cortical function, when viewed from the perspective of gene expression, are appropriate for the journal. Research related to molecular mechanisms of drug tolerance, dependence, and withdrawal are solicited. Manuscripts on state-of-the-art methods and protocols for molecular profiling of neuronal structure and function are welcome.
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Abstract:

Although the effect of estrogen replacement therapy on the incidence of the neurodegenerative disease such as Alzheimer's disease is controversial, experimental studies indicate that estrogen replacement to young adult animals is neuroprotective and that perimenopausal estrogen replacement is associated with a decreased incidence of Alzheimer's disease. Estrogen affects a wide variety of cellular processes that can protect neuronal health. This article considers the disruption of the blood-brain barrier in Alzheimer's disease and forwards the hypothesis that estrogen may preserve neural health by maintaining the integrity of the blood-brain barrier.

Keywords: Alzheimer's disease; Hormone therapy; Junction proteins; Endothelial cells; Cytokines

Document Type: Research article

Affiliations: 1: Department of Neuroscience and Experimental Therapeutics, Texas A&M Health Science Center College of Medicine, College Station, TX, USA