Results 91 to 100 of about 61,638 (306)

Pyrazolo[4,3-e][1,2,4]triazines: Purine Analogues with Electronic Absorption in the Visible Region

open access: yesMolecules, 2005
Synthesis of several pryrazolo[4,3-e][1,2,4]-triazines is described. Theabsorption spectrum of some 5-substituted derivatives was found to extend to the visibleregion.
Jacek Wierzchowski   +2 more
doaj   +1 more source

Analytical and Pharmacological Characterization of 1‐(Furan‐2‐Carbonyl)‐LSD (1F‐LSD) and Comparison With 1‐(Thiophene‐2‐Carbonyl)‐LSD (1T‐LSD)

open access: yesDrug Testing and Analysis, EarlyView.
The novel lysergamide 1‐(furan‐2‐carbonyl)‐LSD (1F‐LSD) was analytically characterized. 1F‐LSD showed LSD‐like activity in vivo similar to 1‐(thiophene‐2‐carbonyl)‐LSD (1T‐LSD) used for comparison. Administration studies in mice and LC–MS analysis revealed that 1F‐LSD served as a prodrug.
Simon D. Brandt   +5 more
wiley   +1 more source

Effects of Dimenhydrinate on Motor Behavior and Vascular Function: Possible Implications for the Field of Sports

open access: yesDrug Testing and Analysis, EarlyView.
Regarding cardiovascular effects, DMH decreased vascular reactivity to phenylephrine and acetylcholine. We observed that the combination of DPH and 8‐Cl‐T was identified as the responsible for increasing blood pressure and heart rate in the biological model used.
Jazmín Flores‐Monroy   +3 more
wiley   +1 more source

Metabolic changes during cardiac regeneration in the axolotl

open access: yesDevelopmental Dynamics, EarlyView.
Abstract Background The axolotl is a prominent model organism of heart regeneration due to its ability to anatomically and functionally repair the heart after an injury that mimics human myocardial infarction. In humans, such an injury leads to permanent scarring. Cardiac regeneration has been linked to metabolism and the oxygenation state, but so far,
Anita Dittrich   +10 more
wiley   +1 more source

Metabolic abnormalities and reprogramming in cats with naturally occurring hypertrophic cardiomyopathy

open access: yesESC Heart Failure, Volume 12, Issue 2, Page 1256-1270, April 2025.
Abstract Background and aims The heart is a metabolic organ rich in mitochondria. The failing heart reprograms to utilize different energy substrates, which increase its oxygen consumption. These adaptive changes contribute to increased oxidative stress.
Qinghong Li   +12 more
wiley   +1 more source

Purine salvage promotes treatment resistance in H3K27M-mutant diffuse midline glioma

open access: yesCancer & Metabolism
Background Diffuse midline gliomas (DMG), including diffuse intrinsic pontine gliomas (DIPGs), are a fatal form of brain cancer. These tumors often carry a driver mutation on histone H3 converting lysine 27 to methionine (H3K27M).
Erik R. Peterson   +20 more
doaj   +1 more source

Alcohol consumption and incident heart failure in men and women

open access: yesEuropean Journal of Heart Failure, EarlyView.
Alcohol consumption and incident heart failure (HF) in men and women. Abstract Aims Regular heavy alcohol consumption may lead to the development of alcohol‐related cardiomyopathy and symptomatic heart failure (HF) later in life. However, the dose–response relationship between alcohol consumption and risk for incident HF, and whether these associations
Hailun Qin   +3 more
wiley   +1 more source

Mechanical unloading is accompanied by reverse metabolic remodelling in the failing heart: Identification of a novel citraconate‐mediated pathway

open access: yesEuropean Journal of Heart Failure, EarlyView.
Aims Although functional recovery of the failing heart with left ventricular assist device (LVAD) unloading can occur, the underpinning mechanism is unclear. We aimed to characterize the effect of myocardial biochemical effect of LVAD support in vivo and in vitro.
David M. Kaye   +15 more
wiley   +1 more source

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