Results 31 to 40 of about 1,924 (168)

Data on the drug release profiles and powder characteristics of the ethyl cellulose based microparticles prepared by the ultra-fine particle processing system

open access: yesData in Brief, 2020
Ethyl cellulose (EC) based microparticles (MPs) could provide sustained release for Huperzine A. The drug release mechanism of MPs was exploited to achieve an ideal drug release profile. We previously found that the wettability of MPs greatly contributed
Tingting Peng   +10 more
doaj   +1 more source

In Silico Design of Dual-Binding Site Anti-Cholinesterase Phytochemical Heterodimers as Treatment Options for Alzheimer’s Disease

open access: yesCurrent Issues in Molecular Biology, 2021
The number of patients with neurodegenerative diseases, particularly Alzheimer’s disease (AD), continues to grow yearly. Cholinesterase inhibitors (ChEIs) represent the first-line symptomatic drug treatment for mild-to-moderate AD; however, there is an ...
Hafsa Amat-ur-Rasool   +4 more
doaj   +1 more source

Loss of Pathogenicity and Evidence of Horizontal Gene Transfer in Colletotrichum gloeosporioides From a Medicinal Plant. [PDF]

open access: yesMol Plant Pathol
A Colletotrichum gloeosporioides strain from Huperzia serrata lacks key pathogenicity genes CgDN3 and cap20 and has fewer pelB, pnl and pg genes. pksIII, for synthesis of huperzine A, was probably acquired by the host plant from the fungus. ABSTRACT Colletotrichum gloeosporioides is a major agricultural pathogen of crops that has also been identified ...
Yue X   +17 more
europepmc   +2 more sources

Detection by UPLC/ESI-TOF-MS of Alkaloids in Three Lycopodiaceae Species from French Polynesia and Their Anticholinesterase Activity

open access: yesNatural Product Communications, 2009
Three Lycopodiaceae species from French Polynesia, Lycopodium venustulum C. Gaudichaud, Lycopodiella cernua (C. Linnaeus) R. E. Pichi Sermolli and Lycopodium henryanum E. D.
Raimana Ho   +4 more
doaj   +1 more source

Huperzine A in SCI [PDF]

open access: yesScience-Business eXchange, 2013
Harvard Medical School researchers have shown that the plant-derived small molecule huperzine A can reduce neuropathic pain in rats with spinal cord injury. Insero Health has licensed IP covering epilepsy and neuropathic pain and plans to report Phase Ib data this year in treatment-resistant epilepsy.
openaire   +1 more source

Lycodine-Type Alkaloids from Lycopodiastrum casuarinoides and Their Acetylcholinesterase Inhibitory Activity

open access: yesMolecules, 2014
Four new lycodine-type alkaloids, namely 16-hydroxyhuperzine B (1), N-methyl-11-acetoxyhuperzine B (2), 8,15-dihydrolycoparin A (3) and (7S,12S,13R)-huperzine D-16-O-β-d-glucopyranoside (4), along with ten known analogues 5−14, were isolated from the ...
Dong-Bo Zhang   +4 more
doaj   +1 more source

Huperzine A

open access: yesDrugs in R & D, 2004
Huperzine A, an alkaloid isolated from Huperzia serrata, is a putative nootropic agent developed by the Chinese Academy of Sciences. Huperzine A is currently in phase III trials in China for the treatment of patients with Alzheimer's disease. The mechanism of action of huperzine A is suggested to be facilitated through the slow reversible inhibition of
openaire   +2 more sources

A drug screening toolkit based on the –1 ribosomal frameshifting of SARS-CoV-2

open access: yesHeliyon, 2020
The –1 ribosomal frameshifting is vital for the translation of the open reading frame (ORF)1b in SARS-CoV-2. The products of ORF1b participate in viral replication. Therefore, changing the frameshift frequency reduces the survival of the virus.
Yanqiong Chen   +8 more
doaj   +1 more source

Anti-Cholinesterase Activity of Lycopodium Alkaloids from Vietnamese Huperzia squarrosa (Forst.) Trevis

open access: yesMolecules, 2014
A series of Lycopodium alkaloids, namely lycosquarosine A (1), acetylaposerratinine (2), huperzine A (3), huperzine B (4), 8α-hydrophlemariurine B (5), and huperzinine (6), has been isolated from Vietnamese Huperzia squarrosa.
Nguyen Ngoc Chuong   +3 more
doaj   +1 more source

Potential of Naturally Derived Alkaloids as Multi-Targeted Therapeutic Agents for Neurodegenerative Diseases

open access: yesMolecules, 2021
Alkaloids are a class of secondary metabolites that can be derived from plants, fungi and marine sponges. They are widely known as a continuous source of medicine for the management of chronic disease including cancer, diabetes and neurodegenerative ...
Yew Rong Kong   +5 more
doaj   +1 more source

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