Results 81 to 90 of about 2,786 (199)

Qualification and quantification of huperzine a from Huperia serrata in Da Lat, Lam Dong province

open access: yes, 2016
Huperzine A, an alkaloid, was originally isolated from Huperzia serrata. This compound potentially enhances the memory in animal, hence, it has been approved as a drug for the clinical treatment of Alzheimer’s disease, a major disease affecting the ...
Nguyễn Tiến Đạt   +4 more
core   +1 more source

Light spectrum effects on huperzine A and B accumulation in axenic gametophyte cultures of Huperzia selago (L.) Bernh. ex Schrank et Mart

open access: yesFrontiers in Plant Science
IntroductionHuperzine A (HupA) and huperzine B (HupB) are high-value Lycopodiaceae alkaloids with potent, reversible acetylcholinesterase (AChE) inhibitory activity and NMDA receptor antagonism.
Wojciech J. Szypuła   +2 more
doaj   +1 more source

Donepezil increases resistance to induced seizures in a mouse model of Dravet syndrome

open access: yesAnnals of Clinical and Translational Neurology, 2019
De novo loss‐of‐function mutations in SCN1A are the main cause of Dravet syndrome, a catastrophic encephalopathy characterized by recurrent early‐life febrile seizures, a number of other afebrile seizure types that are often refractory to treatment, and ...
Jennifer C. Wong   +2 more
doaj   +1 more source

Potent, easily synthesized huperzine A-tacrine hybrid acetylcholinesterase inhibitors

open access: yes, 1999
Hybrid acetylcholinesterase inhibitors composed of a key fragment of huperzine A and an intact tacrine unit were prepared. The syntheses are quite direct, proceeding in a maximum of 4 linear steps from commercially available starting materials.
Han, Yifan   +4 more
core   +1 more source

Pharmacological treatments for vascular dementia: a systematic review and Bayesian network meta-analysis

open access: yesFrontiers in Pharmacology
BackgroundVascular dementia (VaD) is one of the most prevalent, burdensome, and costly forms of dementia. Pharmacological treatment is often the first-line choice for clinicians; however, there is a paucity of comparative information regarding the ...
Chun Dang   +6 more
doaj   +1 more source

Evaluation of Cryptolepine and Huperzine Derivatives as Lead Compounds towards New Agents for the Treatment of Human African Trypanosomiasis

open access: yesNatural Product Communications, 2009
The alkaloid cryptolepine (1) and eight synthetic analogues (2-8) were assessed for in vitro activities against Trypanosoma brucei . Four of the analogues were found to be highly potent with IC 50 values of less than 3 nM and three of these were assessed
Awotunde J. Oluwafemi   +7 more
doaj   +1 more source

Integrated Transcriptomic Profiling Reveals Candidate Genes for Huperzine A Biosynthesis in Huperzia serrata

open access: yesHorticulturae
Huperzine A (HupA) is a natural Lycopodium alkaloid known for its potent neuroprotective properties through the inhibition of acetylcholinesterase. Nevertheless, the limited understanding of its biosynthesis restricts its broader application.
Ming Lei   +11 more
doaj   +1 more source

Huperzine A: is it an effective disease-modifying drug for Alzheimer’s disease?

open access: yesFrontiers in Aging Neuroscience, 2014
Alzheimer's disease (AD) is a progressive neurodegenerative disorder for which there is no cure. Huperzine A (HupA) is a natural inhibitor of acetylcholinesterase (AChE) derived from the Chinese folk medicine Huperzia serrata (Qian Ceng Ta).
Zhong Ming eQian, Ya eKe
doaj   +1 more source

Doença de Alzheimer e Huperzine Huperzine A for Alzheimer's disease Synopsis

open access: yes, 2020
There is currently insufficient evidence of the effects of Huperzine A for Alzheimer's disease (AD). Huperzine A is derived from Chinese club moss Huperzia serrata, and is described as having several properties which may be beneficial for AD.
J Li, Dong Br, Liu Gj, Wu Hm, Zhou Rl
core  

Synthesis of 7-desmethyl analogs of (+)- and (-)-huperzine A

open access: yes, 2015
The natural alkaloid (-)-huperzine A is an inhibitor of AChE and has been demonstrated to exert neuroprotection and to possess beneficial effects on other CNS related disorders. In this manuscript, we report the synthesis of the analogs of huperzine A in
PIERONI, Marco, Tipparaju, Suresh K.
core   +1 more source

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