Results 41 to 50 of about 2,857 (229)

Melatonin receptor (MTNR1A and MTNR2B) expression during the breeding season in the yak (Bos grunniens)

open access: yesCzech Journal of Animal Science, 2014
Melatonin plays key roles in a wide range of mammalian body functions, which are mediated by the melatonin-specific cell surface receptor (MTNR1A and MTNR1B).
S.-D. Huo, R.-J. Long
doaj   +1 more source

Expression and cellular localization of the transcription factor NeuroD1 in the developing and adult rat pineal gland [PDF]

open access: yes, 2015
Circadian rhythms govern many aspects of mammalian physiology. The daily pattern of melatonin synthesis and secretion is one of the classic examples of circadian oscillations.
Benitez, Sergio G.   +5 more
core   +2 more sources

Sympathetic Innervation of the Mammalian Pineal Gland: Its Involvement in Ontogeny and Physiology, and in Pineal Dysfunction [PDF]

open access: yes, 2023
In mammals, the melatonin-producing pineal gland (PG) receives sympathetic innervation from the superior cervical ganglia (SCG). This chapter describes the role of this innervation on the PG’s ontogeny and rhythmic function, along with consequences to ...
Amiotti, Juan B.   +5 more
core   +2 more sources

6-Sulfatoxymelatonin predicts treatment response to fluoxetine in major depressive disorder. [PDF]

open access: yesTher Adv Psychopharmacol, 2019
Background: To date, no biomarker has been able to predict antidepressant response at an early blockade of norepinephrine or serotonin uptake. The transient nocturnal increase in plasma melatonin levels is upregulated by blocking these uptakes.
Jury Freitas J   +7 more
europepmc   +3 more sources

Expanding the scope of mast cell disease: Does mast cell‐derived TNF play a role in immune‐mediated chronic illness and autoimmunity?

open access: yesRheumatology &Autoimmunity, Volume 4, Issue 4, Page 218-225, December 2024.
Mast cells (MCs) and MC‐derived tumor necrosis factor (TNF) are important in chronic inflammatory and autoimmune diseases and post‐viral syndromes, having important mechanisms of action, and therapeutic potential. MC and MC‐derived TNF activation are involved in conditions like COVID‐19, and neuroinflammation, linking TNF to various pathological ...
Rachel da Silveira Gorman   +1 more
wiley   +1 more source

Characterization of lymphocyte subsets over a 24-hour period in Pineal-Associated Lymphoid Tissue (PALT) in the chicken [PDF]

open access: yes, 2006
BACKGROUND: Homeostatic trafficking of lymphocytes in the brain has important relevance to the understanding of CNS disease processes. The pineal gland of the chicken contains large accumulations of lymphocytes that suggest an important role related to ...
McNulty, John A, Mosenson, Jeffrey A
core   +3 more sources

Embryonal and pineal tumours

open access: yesCytopathology, Volume 35, Issue 5, Page 561-571, September 2024.
Abstract Embryonal and pineal tumours represent a diverse group of central nervous system (CNS) neoplasms. While many of the small round blue cell tumours that make up the embryonal neoplasms share similar histologic qualities, there are several morphologic and cytologic characteristics that are useful in distinguishing different tumour types ...
Joseph Reznicek   +4 more
wiley   +1 more source

Synaptic-like microvesicles, synaptic vesicle counterparts in endocrine cells, are involved in a novel regulatory mechanism for the synthesis and secretion of hormones [PDF]

open access: yes, 2001
Microvesicles in endocrine cells are the morphological and functional equivalent of neuronal synaptic vesicles. Microvesicles accumulate various neurotransmitters through a transmitter-specific vesicular transporter energized by vacuolar H+-ATPase.
Hayashi, Mitsuko   +5 more
core  

Mouse Models in Circadian Rhythm and Melatonin Research

open access: yesJournal of Pineal Research, Volume 76, Issue 5, August 2024.
ABSTRACT This contribution reviews the role of inbred and transgenic mouse strains for deciphering the mammalian melatoninergic and circadian system. It focusses on the pineal organ as melatonin factory and two major targets of the melatoninergic system, the suprachiasmatic nuclei (SCN) and the hypophysial pars tuberalis (PT).
Horst‐Werner Korf, Charlotte von Gall
wiley   +1 more source

Melatonin and Seasonal Synchrony in Mammals

open access: yesJournal of Pineal Research, Volume 76, Issue 5, August 2024.
ABSTRACT In mammals, seasonal opportunities and challenges are anticipated through programmed changes in physiology and behavior. Appropriate anticipatory timing depends on synchronization to the external solar year, achieved through the use of day length (photoperiod) as a synchronizing signal.
David G. Hazlerigg   +2 more
wiley   +1 more source

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