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单词 Dantrolene Sodium
释义

Dantrolene Sodium

英语百科

Dantrolene

Structural formula of dantrolene
Space-filling model of the dantrolene molecule
The sodium salt of dantrolene (shown) is an orange crystalline solid.
Skeletal formula of azumolene. The bromine atom replacing the nitro group found in dantrolene may be seen at left.

Dantrolene sodium is a postsynaptic muscle relaxant that lessens excitation-contraction coupling in muscle cells. It achieves this by inhibiting Ca ions release from sarcoplasmic reticulum stores by antagonizing ryanodine receptors. It is the primary drug used for the treatment and prevention of malignant hyperthermia, a rare, life-threatening disorder triggered by general anesthesia. It is also used in the management of neuroleptic malignant syndrome, muscle spasticity (e.g. after strokes, in paraplegia, cerebral palsy, or patients with multiple sclerosis), and 2,4-dinitrophenol poisoning.

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