Abstract:
BACKGROUND:Although the dopamine precursor L-3, 4-dihydroxyphenylalanine ( l -dopa) remains the gold standard pharmacological therapy for patients with Parkinson's disease (PD), long-term treatment with this drug has been known to result in several adverse effects, including l -dopa-induced dyskinesia (LID). Recently, our group reported that KD5040, a modified herbal remedy, had neuroprotective effects in both in vitro and in vivo models of PD. Thus, the present study investigated whether KD5040 would have synergistic effects with l -dopa and antidyskinetic effects caused by l -dopa as well. METHODS:The effects of KD5040 and l -dopa on motor function, expression levels of substance P (SP) and enkephalin (ENK) in the basal ganglia, and glutamate content in the motor cortex were assessed using behavioral assays, immunohistochemistry, Western blot analyses, and liquid chromatography tandem mass spectrometry in a mouse model of PD induced by 1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine (MPTP). In addition, the antidyskinetic effects of KD5040 on pathological movements triggered by l -dopa were investigated by testing abnormal involuntary movements (AIMs) and measuring the activations of FosB, cAMP-dependent phosphor protein of 32 kDa (DARPP-32), extracellular signal-regulated kinases (ERK), and cAMP response element-binding (CREB) protein in the striatum. RESULTS:KD5040 synergistically improved the motor function when low-dose l -dopa (LL) was co-administered. In addition, it significantly reversed MPTP-induced lowering of SP, improved ENK levels in the basal ganglia, and ameliorated abnormal reduction in glutamate content in the motor cortex. Furthermore, KD5040 significantly lowered AIMs and controlled abnormal levels of striatal FosB, pDARPP-32, pERK, and pCREB induced by high-dose l -dopa. CONCLUSIONS:KD5040 lowered the effective dose of l -dopa and alleviated LID. These findings suggest that KD5040 may be used as an adjunct therapy to enhance the efficacy of l -dopa and alleviate its adverse effects in patients with PD.
journal_name
BMC Complement Altern Medjournal_title
BMC complementary and alternative medicineauthors
Ahn S,Song TJ,Park SU,Jeon S,Kim J,Oh JY,Jang J,Hong S,Song MA,Shin HS,Jung YR,Park HJdoi
10.1186/s12906-017-1731-2subject
Has Abstractpub_date
2017-04-19 00:00:00pages
220issue
1issn
1472-6882pii
10.1186/s12906-017-1731-2journal_volume
17pub_type
杂志文章abstract:BACKGROUND:Dizziness and vertigo account for roughly 4% of chief symptoms in the emergency department (ED). Pharmacological therapy is often applied for these symptoms, such as vestibular suppressants, anti-emetics and benzodiazepines. However, every medication is accompanied with unavoidable side-effects. There are se...
journal_title:BMC complementary and alternative medicine
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journal_title:BMC complementary and alternative medicine
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journal_title:BMC complementary and alternative medicine
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abstract:BACKGROUND:JC-001 is a Chinese medicine that can modulate the immunity in Hepa 1-6 tumor-bearing mice, and we questioned whether JC-001 can serve as efficient adjuvant chemotherapy. We aimed to identify a novel approach for enhancing cis-diamminedichloroplatinum (II) (CDDP)-based chemotherapy by immunomodulation. METH...
journal_title:BMC complementary and alternative medicine
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abstract:BACKGROUND:Several compounds isolated from Dryobalanops have been reported to exhibit cytotoxic effects to several cancer cell lines. This study investigated the cytotoxic effects, cell cycle arrest and mode of cell death in ampelopsin E-treated triple negative cells, MDA-MB-231. METHODS:Cytotoxicity of ampelopsin E, ...
journal_title:BMC complementary and alternative medicine
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journal_title:BMC complementary and alternative medicine
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journal_title:BMC complementary and alternative medicine
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journal_title:BMC complementary and alternative medicine
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journal_title:BMC complementary and alternative medicine
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journal_title:BMC complementary and alternative medicine
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pub_type: 杂志文章,评审
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journal_title:BMC complementary and alternative medicine
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journal_title:BMC complementary and alternative medicine
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journal_title:BMC complementary and alternative medicine
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journal_title:BMC complementary and alternative medicine
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更新日期:2017-06-24 00:00:00
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journal_title:BMC complementary and alternative medicine
pub_type: 杂志文章
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journal_title:BMC complementary and alternative medicine
pub_type: 杂志文章
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更新日期:2019-09-14 00:00:00
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journal_title:BMC complementary and alternative medicine
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journal_title:BMC complementary and alternative medicine
pub_type: 杂志文章
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更新日期:2007-08-04 00:00:00
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journal_title:BMC complementary and alternative medicine
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