Results 181 to 190 of about 227,315 (399)

Melatonin as an anti-stress signal: effects on an acute stress model and direct actions on interrenal tissue in goldfish

Frontiers in Endocrinology
BackgroundMelatonin is a key hormone in regulation of circadian rhythms, and involved in many rhythmic functions, such as feeding and locomotor activity. Melatonin reportedly counteracts stress responses in many vertebrates, including fish.
Clara Azpeleta, Clara Azpeleta, Mª Jesús Delgado, Juriaan R. Metz, Gert Flik, Nuria de Pedro   +5 more
doaj   +1 more source

Use of 2-[125I]iodomelatonin to characterize melatonin binding sites in chicken retina. [PDF]

, 1987
Margarita L. Dubocovich, Joseph S. Takahashi   +1 more
openalex   +1 more source

Influence of outdoor time on the spherical equivalent and axial length in childhood myopia: A meta‐analysis

Acta Ophthalmologica, EarlyView.
Abstract This meta‐analysis investigates the effectiveness of outdoor activities in reducing the onset of myopia in children and adolescents by analysing changes in axial elongation and spherical equivalent refractive error. Following PRISMA guidelines and registered in PROSPERO (CRD42024592971), the study included randomized controlled trials (RCTs ...
Clara Martinez‐Perez, Miguel Angel Sanchez‐Tena, José‐María Sánchez‐González, Cesar Villa‐Collar, Cristina Alvarez‐Peregrina   +4 more
wiley   +1 more source

Circadian clock in cell culture: II. In vitro photic entrainment of melatonin oscillation from dissociated chick pineal cells [PDF]

, 1988
L. G. Robertson, Joseph S. Takahashi
openalex   +1 more source

Stroke Timing Through a Circadian Lens: A Brain‐Centric Perspective

Organ Medicine, EarlyView.
Bivek Singh
wiley   +1 more source

Children With Sydenham Chorea and Psychiatric Disorders Had Variable Long‐Term Outcomes and Required Multidisciplinary Management

Acta Paediatrica, EarlyView.
ABSTRACT Aim Sydenham chorea (SC) is a globally significant, post‐streptococcal, childhood neuropsychiatric condition that is rare in western Europe. This retrospective single‐centre study focused on children with neuropsychiatric features of SC. Methods Participants were recruited from neuropsychiatry referrals to a regional paediatric neurology ...
Nadine Mushet, Michael Morton, Helen Minnis, Christopher Gillberg   +3 more
wiley   +1 more source

Biosynthesis of melatonin from l-tryptophan by an engineered microbial cell factory

Biotechnology for Biofuels and Bioproducts
Background The demand for melatonin is increasing due to its health-promoting bioactivities such as antioxidant and sleep benefits. Although melatonin is present in various organisms, its low content and high extraction cost make it unsustainable ...
Lijuan Wang, Yongdong Deng, Jianjie Gao, Bo Wang, Hongjuan Han, Zhenjun Li, Wenhui Zhang, Yu Wang, Xiaoyan Fu, Rihe Peng, Quanhong Yao, Yongsheng Tian, Jing Xu   +12 more
doaj   +1 more source

Automated Chronotyping from a Daily Calendar using Machine Learning [PDF]

arXiv
Chronotype compares individuals' circadian phase to others. It contextualizes mental health risk assessments and detection of social jet lag, which can hamper mental health and cognitive performance. Existing ways of determining chronotypes, such as Dim Light Melatonin Onset (DLMO) or the Morningness-Eveningness Questionnaire (MEQ), are limited by ...
arxiv  

A Review of the Role of Melatonin in Irritable Bowel Syndrome [PDF]

, 2014
Irritable bowel syndrome (IBS) is a troubling disease experienced worldwide. The presentation of symptoms varies from patient to patient, and current prescription treatments can be inadequate in resolving symptoms.
Brinn, Nicole R., Gandhi, Mona A.
core   +1 more source

Time Course of Sensitivity of Golden Hamsters to Melatonin Injections Throughout the Day 1 [PDF]

, 1983
Milton H. Stetson, Doranne E. Tay
openalex   +1 more source