Results 91 to 100 of about 479,925 (360)

Smoking-induced long-lasting modifications of human platelet serotonin catabolism through a MAO epigenetic regulation [PDF]

open access: yes, 2008
Postulating that serotonin, secreted from smoking-activated platelets, could be involved in smoking-induced vascular modifications, we studied 115 men distributed in smokers (S), former smokers (FS) and never smokers (NS).
Alain Simon   +8 more
core   +1 more source

Snord15b Maintains Stemness of Intestinal Stem Cells via Enhancement of Alternative Splicing of Btrc Short Isoform for Suppression of β‐Catenin Ubiquitination

open access: yesAdvanced Science, EarlyView.
In intestinal stem cells (ISCs), Snord15b associates with Ilf2 to recruit splicing factors for alternative splicing of Btrc mRNA, leading to the generation of short Btrc. This short Btrc fails to form a functional E3 ubiquitin ligase complex for β‐catenin ubiquitination and degradation.
Yuwei Xu   +13 more
wiley   +1 more source

5-HT_FAsTR: a versatile, label-free, high-throughput, fluorescence-based microplate assay to quantify serotonin transport and release

open access: yesScientific Reports
The neurotransmitter serotonin plays a pivotal role in mood and depression. It also acts as a vasoconstrictor within blood vessels and is the main neurotransmitter in the gastrointestinal system.
Lina Bukowski   +5 more
doaj   +1 more source

L-Dopa and Brain Serotonin System Dysfunction

open access: yesToxics, 2015
L-dopa is used to treat the motor symptoms associated with Parkinson’s disease, a neurodegenerative movement disorder characterized by a loss of dopamine neurons.
Branden J. Stansley, Bryan K. Yamamoto
doaj   +1 more source

Muscle Organoids Reveal Exercise‐Like Contractions Rapidly Promote Muscle Health Via Lamtor1's Signaling to Both AMPK and mTOR

open access: yesAdvanced Science, EarlyView.
This study develops a novel 3D human skeletal muscle organoid platform to study the immediate molecular effects of exercise‐like contractions. The model uncovers rapid proteomic and transcriptomic responses, resolving a fundamental paradox by demonstrating how exercise‐induced Lamtor1 coordinately activates both AMPK and mTORC1. Lamtor1 is a compelling
Ziyue Yao   +9 more
wiley   +1 more source

Seasonal changes in brain serotonin transporter binding in short 5-HTTLPR-allele carriers but not in long-allele homozygotes [PDF]

open access: yes, 2008
Several findings suggest seasonal variations in the serotonin (5-HT) system. We sought evidence for seasonal variation in the serotonin transporter (5-HTT).
David Erritzoe   +8 more
core   +1 more source

Developmental imaging genetics: challenges and promises for translational research [PDF]

open access: yes, 2006
Advances in molecular biology, neuroimaging, genetic epidemiology, and developmental psychopathology have provided a unique opportunity to explore the interplay of genes, brain, and behavior within a translational research framework.
Hariri, A.R.   +2 more
core   +1 more source

Disruption of Gut Microbiota‐Mediated De Novo NAD+ Synthesis Contributes to the Development of Polycystic Ovary Syndrome

open access: yesAdvanced Science, EarlyView.
This study demonstrates that patients with PCOS exhibit altered gut microbial profiles, and FMT from PCOS patients induces PCOS‐like symptoms in mice. Specifically, gut dysbiosis reduces 3‐HAA levels in the context of PCOS. Administration of 3‐HAA to mice alleviates PCOS by promoting de novo NAD+ synthesis.
Ke Chen   +6 more
wiley   +1 more source

Single Fusion Pore Analysis via Single Cell Amperometry Uncovers Impaired Pore Expansion That Restricts Insulin Exocytosis in Human Type 2 Diabetes

open access: yesAngewandte Chemie, EarlyView.
The final step in insulin exocytosis from pancreatic beta cells is the formation of the fusion pore. We combined single‐cell amperometry with microsensors and fluorescence microscopy to monitor insulin exocytosis from different perspectives. Our results reveal a link between impaired fusion pore function and diminished insulin secretion, highlighting ...
Amir Hatami   +6 more
wiley   +2 more sources

Cyproheptadine in serotonin syndrome: A retrospective study

open access: yesJournal of Family Medicine and Primary Care
Objective: Serotonin syndrome (SS) is an iatrogenic life-threatening condition caused by serotonergic agents. The treatment for SS involves the administration of a serotonin antagonist (cyproheptadine).
Sanjay Prakash   +3 more
doaj   +1 more source

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