Estrogen and Movement Disorders : Clinical Neuropharmacology

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Estrogen and Movement Disorders

Kompoliti, Katie

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Clinical Neuropharmacology 22(6):p 318-326, November 1999.


Female sex hormones, and more specifically estrogen, can have biochemical and behavioral effects on the dopaminergic system. The effects of estrogen on the dopaminergic system can be classified as either neuroprotectivc or symptomatic. The neuroprotective effects refer to the ability of estrogen to prevent or modulate insults to the dopaminergic system and therefore to alter the natural history of disease processes affecting the dopaminergic circuitry in the brain. With regard to the symptomatic effects, support for suppressi ve and enhancing effects has been documented in humans and laboratory animals. The preclinical literature for neuroprotective and symptomatic effects of estrogen on the mesostriatal dopaminergic system forms the basis for studies on the influence of estrogen on the prevalence, disease progression, clinical signs, and medication effects of movement disorders, including Parkinson's disease, chorea, dystonia, tics, and myoclonus. Understanding the role of estrogen in modulating the dopaminergic system will allow clinicians to tailor therapies for women with movement disorders and optimize therapies for mcnstrually related symptom fluctuations. Such clarifications may also guide recommendations on the use of postmenopausal hormonal replacement therapy in women with movement disorders or those genetically at risk.

© 1999 Lippincott Williams & Wilkins, Inc.

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