Effect of long-term L-threo-3,4-dihydroxyphenylserine administration on alpha 2-adrenergic receptors in platelet membranes in neurologic disorders.

Abstract:

:The effects of L-threo-3,4-dihydroxyphenylserine (L-threo-DOPS), an unnatural norepinephrine precursor, on alpha 2-adrenergic receptors in platelet membranes were investigated in a patient with familial amyloidotic polyneuropathy, two patients with multiple system atrophy, and two patients with Parkinson's disease. Each patient was treated for at least six months. While L-threo-DOPS alone, or in combination with decarboxylase inhibitor benserazide hydrochloride, produced sustained increase in plasma norepinephrine and clinical improvement, it did not induce a change in the number of alpha 2-adrenergic receptors in platelet membranes.

journal_name

Acta Neurol Scand

authors

Azuma T,Suzuki T,Sakoda S,Mizuno R,Tsujino S,Kobayashi T,Kishimoto S,Hiraga T,Matsubara T,Yoshida S

doi

10.1111/j.1600-0404.1991.tb04901.x

subject

Has Abstract,Author List Incomplete

pub_date

1991-07-01 00:00:00

pages

46-50

issue

1

eissn

0001-6314

issn

1600-0404

journal_volume

84

pub_type

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