Results 131 to 140 of about 67,094 (276)

Dietary L‐Tyrosine Sustains Egg Production and Quality by Modulating Promoter CpG Methylation, Gene Expression, and Hormone Profiles in Reproductive Signalling Pathways of Aged Laying Hens

open access: yesJournal of Animal Physiology and Animal Nutrition, EarlyView.
ABSTRACT Managing prolactin (PRL)‐mediated reproductive suppression is critical for maintaining egg production in commercial laying hens. L‐tyrosine (TYR), a precursor of dopamine (DA), may counteract age‐related reproductive decline by suppressing PRL, thereby sustaining productivity and egg quality in late‐phase laying hens.
Hasan Hüseyin İpçak
wiley   +1 more source

Effect of corticosterone on morphine-induced psychomotor effect and its sensitization

open access: yes, 2004
Previous research demonstrated important roles of stress in behavioral effects of drug abuse. However, whether extraneous stress factors could differentially modulate morphine psychomotor effect and its sensitization is still unknown. This study examined
D. M. Wang   +4 more
core   +1 more source

Sustained administration of corticosterone at stress-like levels after stroke suppressed glial reactivity at sites of thalamic secondary neurodegeneration

open access: yes, 2018
Secondary neurodegeneration (SND) is an insidious and progressive condition involving the death of neurons in regions of the brain that were connected to but undamaged by the initial stroke.
Lin Kooi Ong   +15 more
core   +1 more source

Developmental Plasticity and Behavioural Evolution in Rodents: Insights From African Striped Mice (Rhabdomys)

open access: yesJournal of Zoology, EarlyView.
Our review synthesizes how early‐life experiences shape behavioural development in rodents, drawing on developmental plasticity, non‐genetic inheritance and epigenetic mechanisms. Using African striped mice (Rhabdomys) and other small mammal systems as case studies, it presents an integrative framework linking parental care, developmental pathways and ...
N. Pillay, T. L. Rymer
wiley   +1 more source

The Protective Effects of Polygala tenuifolia and Tenuifolin on Corticosterone-Evoked Ferroptosis, Oxidative Stress, and Neuroinflammation: Insights from Molecular Dynamics Simulations and In Vitro Experiments

open access: yesFoods
Excessive stress is a well-established contributor to neurological damage, insomnia, and depression, imposing a significant burden on individuals and society. This underscores the urgent need for effective stress-relief strategies.
Chaoyi Xue   +8 more
doaj   +1 more source

Of mice and men—The emerging oral–gut–brain axis of health and disease

open access: yesPeriodontology 2000, EarlyView.
Abstract Objectives Oral health's inextricable links to systemic health are highlighted by the emerging oral–gut–brain axis and other well‐known axes. There is growing evidence of a complex oral–gut–brain axis linking mouth and gut microbiomes with the central nervous system.
Yvonne L. Hernandez‐Kapila   +1 more
wiley   +1 more source

Circadian Corticosterone Profile in Laying Hens (Gallus gallus domesticus)

open access: yesAnimals
Measurement of blood corticosterone concentrations has been established as an indicator for assessment of acute distress. Therefore, knowledge on physiological fluctuations is required, but previous studies allow little conclusion on daily fluctuations ...
Theresa Hillebrecht   +3 more
doaj   +1 more source

Agmatine, by Improving Neuroplasticity Markers and Inducing Nrf2, Prevents Corticosterone-Induced Depressive-Like Behavior in Mice

open access: yes, 2015
Agmatine, an endogenous neuromodulator, is a potential candidate to constitute an adjuvant/monotherapy for the management of depression. A recent study by our group demonstrated that agmatine induces Nrf2 and protects against corticosterone effects in a ...
García Lopez, Manuela   +2 more
core   +1 more source

Dear Influencers: Don't Disturb Amphibians and Reptiles for More Followers

open access: yes
Animal Conservation, EarlyView.
José Guerrero‐Casado, Ricardo Reques
wiley   +1 more source

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