Results 41 to 50 of about 4,383 (214)

An Extensively Humanized Mouse Model to Predict Pathways of Drug Disposition and Drug/Drug Interactions, and to Facilitate Design of Clinical Trials [PDF]

open access: yes, 2019
Species differences in drug metabolism and disposition can confound the extrapolation of in vivo pharmacokinetic data to man, and also profoundly compromise drug efficacy studies due to differences in pharmacokinetics, in metabolites produced (which are ...
A. Rode   +21 more
core   +3 more sources

Evaluation of the Light-Sensitive Cytotoxicity of Hypericum perforatum Extracts, Fractions, and Pure Compounds [PDF]

open access: yes, 2006
Hypericum perforatum (Hp) is known for possessing antidepressant and antiviral activities. Despite its use as an alternative to conventional antidepressants, the identification of the cytotoxic chemicals derived from this herb is incomplete.
Birt, Diane   +4 more
core   +3 more sources

Bigel Formulations of Nanoencapsulated St. John’s Wort Extract—An Approach for Enhanced Wound Healing

open access: yesGels, 2023
This study aimed to develop a semisolid vehicle for topical delivery of nanoencapsulated St. John’s wort (SJW) extract, rich in hyperforin (HP), and explore its wound-healing potential.
Yoana Sotirova   +9 more
doaj   +1 more source

Quality Control of Hypericum perforatum L. Analytical challenges and recent progress [PDF]

open access: yes, 2017
Objectives The most widely applied qualitative and quantitative analytical methods in the quality control of Hypericum perforatum extracts will be reviewed, including routine analytical tools and most modern approaches.
Anastasia Agapouda   +17 more
core   +3 more sources

2-(4-(Biphenyl-4-ylamino)-6-chloropyrimidin-2-ylthio)octanoic acid (HZ52) - a novel type 5-lipoxygenase inhibitor with favorable molecular pharmacology and efficacy in vivo. [PDF]

open access: yes, 2011
BACKGROUND AND PURPOSE: 5-Lipoxygenase (5-LO) is the key enzyme in the biosynthesis of pro-inflammatory leukotrienes (LTs) representing a potential target for pharmacological intervention with inflammation and allergic disorders.
Greiner C   +8 more
core   +1 more source

Arbuscular mycorrhizal fungi altered the hypericin, pseudohypericin, and hyperforin content in flowers of Hypericum perforatum grown under contrasting P availability in a highly organic substrate [PDF]

open access: yes, 2016
St. John’s Wort (Hypericum perforatum) is a perennial herb able to produce water-soluble active ingredients (a.i.), mostly in flowers, with a wide range of medicinal and biotechnological uses.
CARRUBBA, Alessandra   +4 more
core   +1 more source

Hyperforin: A lead for antidepressants

open access: yesInternational Journal of Health Research, 2010
Depression is a complex but treatable disorder if diagnosed appropriately. However, despite the advances in the understanding of the molecular basis of this disorder and the vast range of medication, psychotherapy and electroconvulsive therapy, very safe and effective drug to treat this disease is still being sought.
Hussain, S, Ansari, Z, Arif, M
openaire   +3 more sources

Advanced in Vitro Safety Assessment of Herbal Medicines for the Treatment of Non-Psychotic Mental Disorders in Pregnancy

open access: yesFrontiers in Pharmacology, 2022
When confronted with non-psychotic mental disorders, pregnant women often refrain from using synthetic drugs and resort to herbal medicines such as St. John’s wort, California poppy, valerian, lavender, and hops. Nevertheless, these herbal medicines have
Deborah Spiess   +6 more
doaj   +1 more source

L., Crantz., L. and L.: Phytochemical and Morphological Studies

open access: yesNatural Product Communications, 2006
Four species of Hypericum growing in Italy were characterized morphologically and chemically: Hypericum perforatum L., H. maculatum Crantz., H. calycinum L. and H. pulchrum L. The composition of secondary metabolites (phloroglucinols, naphthodianthrones,
Gelsomina Fico   +3 more
doaj   +1 more source

TRPC6-Mediated ERK1/2 Activation Increases Dentate Granule Cell Resistance to Status Epilepticus via Regulating Lon Protease-1 Expression and Mitochondrial Dynamics

open access: yesCells, 2019
Transient receptor potential canonical channel-6 (TRPC6) is one of the Ca2+-permeable non-selective cation channels. TRPC6 is mainly expressed in dentate granule cell (DGC), which is one of the most resistant neuronal populations to various harmful ...
Ji-Eun Kim   +4 more
doaj   +1 more source

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