Muscle & nerve · 2018
Engineered agrin attenuates the severity of experimental autoimmune myasthenia gravis.
СтатьяПоддержка NIH: внешняя программаПоддержка исследования: вне правительства СШАНазвание и аннотация: Перевод пока не подготовлен
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Li Zhiguo, Li Minshu, Wood Kristofer, Hettwer Steffan, Muley Suraj A, Shi Fu-Dong, Liu Qiang, Ladha Shafeeq S
Аннотация
INTRODUCTION: Agrin is essential for the formation and maintenance of neuromuscular junctions (NMJs). NT-1654 is a C-terminal fragment of mouse neural agrin. In this study, we determined the effects of NT-1654 on the severity of experimental autoimmune myasthenia gravis (EAMG).
METHODS: EAMG was induced in female Lewis rats by immunization with the Torpedo acetylcholine receptor (tAChR) and complete Freund's adjuvant (CFA). NT-1654 was dissolved in phosphate-buffered saline (PBS) and injected daily subcutaneously into tAChR immunized rats during the first 10 days after immunization, and then every other day for the following 20 days.
RESULTS: We showed that NT-1654 attenuated clinical severity, effectively promoted the clustering of AChRs at NMJs, and alleviated the impairment of NMJ transmission and the reduction of muscle-specific kinase (MuSK) in EAMG rats.
DISCUSSION: We demonstrated that NT-1654 attenuated clinical severity, effectively promoted the clustering of AChRs at NMJs, and alleviated the impairment of NMJ transmission and the reduction of muscle-specific kinase (MuSK) in EAMG rats. Muscle Nerve 57: 814-820, 2018.
METHODS: EAMG was induced in female Lewis rats by immunization with the Torpedo acetylcholine receptor (tAChR) and complete Freund's adjuvant (CFA). NT-1654 was dissolved in phosphate-buffered saline (PBS) and injected daily subcutaneously into tAChR immunized rats during the first 10 days after immunization, and then every other day for the following 20 days.
RESULTS: We showed that NT-1654 attenuated clinical severity, effectively promoted the clustering of AChRs at NMJs, and alleviated the impairment of NMJ transmission and the reduction of muscle-specific kinase (MuSK) in EAMG rats.
DISCUSSION: We demonstrated that NT-1654 attenuated clinical severity, effectively promoted the clustering of AChRs at NMJs, and alleviated the impairment of NMJ transmission and the reduction of muscle-specific kinase (MuSK) in EAMG rats. Muscle Nerve 57: 814-820, 2018.
Предметные рубрики MeSH
Action PotentialsAgrinAnimalsAutoantibodiesDisease Models, AnimalDose-Response Relationship, DrugElectromyographyFemaleFreund's AdjuvantGene Expression RegulationImmunizationMembrane GlycoproteinsMuscle, SkeletalMuscular AtrophyMyasthenia Gravis, Autoimmune, ExperimentalNerve Tissue ProteinsNeurofibromin 1Neuromuscular JunctionPeptide FragmentsRatsRats, Inbred LewReceptors, Cholinergic