Results 81 to 90 of about 4,070 (167)

Psychedelic Therapies for Comorbid Major Depressive Disorder and Chronic Pain: A Review of Putative Mechanisms of Action

open access: yesPharmacology Research &Perspectives, Volume 14, Issue 2, April 2026.
ABSTRACT Major Depressive Disorder (MDD) and chronic pain are independently debilitating conditions that frequently co‐occur. This comorbidity poses a significant clinical challenge, resulting in greater symptom severity, higher disability, and worse prognosis than either condition alone.
Jordana Kazdan   +2 more
wiley   +1 more source

Molecular Mechanisms Associated with Nicotine Pharmacology and Dependence. [PDF]

open access: yes, 2020
Tobacco dependence is a leading cause of preventable disease and death worldwide. Nicotine, the main psychoactive component in tobacco cigarettes, has also been garnering increased popularity in its vaporized form, as derived from e-cigarette devices ...
A Ashoor   +146 more
core   +1 more source

Interkingdom Interactions in the Gut: Ecological Mechanisms, Homeostasis, and Therapeutic Modulation

open access: yesGut Medicine, Volume 2, Issue 1, Page 23-39, March 2026.
ABSTRACT The gut microbiota constitutes a highly complex and dynamic ecosystem that profoundly influences host physiology, metabolism, and immunity. This review provides an integrative overview of the mechanisms through which gut microorganisms—particularly bacteria and fungi—interact with host cells and with each other to maintain intestinal ...
Rui‐Qi Wei   +5 more
wiley   +1 more source

In vitro anti influenza virus activity, antioxidant potential and total phenolic content of twelve Iranian medicinal plants [PDF]

open access: yes, 2017
The emergence of medicine resistance strains of influenza A viruses to the chemical drogs lead to the development of alternative herbal compounds that inhibit the virus replication. Therefore, the aim of this research was to investigate in vitro anti-
Alidadi, Somayeh.   +4 more
core   +1 more source

β-Carbolines. 2. Rate Constants of Proton Transfer from Multiexponential Decays in the Lowest Singlet Excited State of Harmine in Water As a Function of pH [PDF]

open access: yes, 1996
The β-carbolines present a complex problem involving multiple equilibria in the excited state in hydrogen-bonding solvents including water. Three excited state species exist: neutral, cation, and zwitterion.
Becker, R. S.   +5 more
core   +1 more source

Orthoquinone, Cyclic, and Acyclic α‐Diketone Natural Products: From Food Applications to Pharmacotherapy

open access: yesPhytochemicals in Food and Medicine, Volume 1, Issue 1, March 2026.
The orthoquinone metabolites from plants have antimicrobial, antioxidant, antiviral, cytotoxic, and anti‐inflammatory effects. ABSTRACT The structural diversity of natural products is vast and fascinating, and they have been recognized as an enormously diverse source of new lead compounds.
Hidayat Hussain   +5 more
wiley   +1 more source

HETEROCYCLIC SYNTHESIS USING NITRILIMINES: PART 18. SYNTHESIS OF NEW FUSED HETEROCYCLES CONTAINING TRIAZINONE MOIETY

open access: yesMakara Seri Sains, 2011
A series of new 4,5-dihydro-6-oxo-1,2,4-triazino[4,5-b]1,2,3,4-tetrahydro-β-carbolines were synthesized by the reactionof methyl 1,2,3,4-tetrahydro-β-carboline-3-carboxylate and the appropriate hydrazonoyl halide in presence oftriethylamine.
Hany Mahmod Dalloul
doaj  

Norharmane matrix enhances detection of endotoxin by MALDI-MS for simultaneous profiling of pathogen, host, and vector systems [PDF]

open access: yes, 2016
The discovery of novel pathogenic mechanisms engaged during bacterial infections requires the evolution of advanced techniques. Here, we evaluate the dual polarity matrix norharmane (NRM) to improve detection of bacterial lipid A (endotoxin), from host ...
Bligh   +51 more
core   +1 more source

Manganese dioxide mediated one-pot synthesis of methyl 9H-pyrido[3,4-b]indole-1-carboxylate: Concise synthesis of alangiobussinine

open access: yesBeilstein Journal of Organic Chemistry, 2011
The carboline ring system is an important pharmacophore found in a number of biologically important targets. Development of synthetic routes for the preparation of these compounds is important in order to prepare a range of analogues containing the ...
Jessica Baiget   +5 more
doaj   +1 more source

Formation of Tetrahydro-β-Carbolines in Thermally Processed Foods and Their Detection Methods [PDF]

open access: yesShipin Kexue
Tetrahydro-β-carbolines (THβCs) are a class of alkaloids widely existing in foods, and the formation pathways of THβCs in the human body include endogenous and exogenous ones. The endogenous pathway is related to the metabolism of tryptophan in the human
CAO Jiamin, LI Xuechen, XU Jiahao, YANG Yong, HUI Teng
doaj   +1 more source

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