Results 141 to 150 of about 111,103 (336)

Serotonin as a Creativity Pump [PDF]

open access: yesarXiv
The location of Western Civilization defined nations in Europe and in the United States within the largest global pollen environments on the planet is proposed as a key factor leading to their success. Environments with dense pollen concentrations will cause large up and down changes in serum histamine directly causing reductions and increases in brain
arxiv  

Chemical sensing by cell-surface chemoreceptor arrays: the roles of receptor cooperativity and adaptation [PDF]

open access: yesarXiv, 2012
Most sensory cells use cross-membrane chemoreceptors to detect chemical signals in the environment. The biochemical properties and spatial organization of chemoreceptors play important roles in achieving and maintaining sensitivity and accuracy of chemical sensing.
arxiv  

Breaking Boundaries: Chronic Diseases and the Frontiers of Immune Microenvironments

open access: yesMed Research, EarlyView.
ABSTRACT The immune microenvironment includes immune cells, cytokines, extracellular matrix, vesicles, etc. The interactions between these components form a unique local immune microecology. Although immunity serves as the defense against external pathogens, aberrant immune activation often contributes to disease development.
Guoqing Li   +13 more
wiley   +1 more source

Insight into the Mode of Action of 8-Hydroxyquinoline-Based Blockers on the Histamine Receptor 2. [PDF]

open access: yesBiosensors (Basel), 2023
Patel A   +4 more
europepmc   +1 more source

Targeting Histone H3K9 Methyltransferase G9a as a Potential Therapeutic Strategy for Neuropsychiatric Disorders

open access: yesMedicinal Research Reviews, EarlyView.
ABSTRACT Neuropsychiatric disorders present a multifaceted challenge, characterized by cognitive, social, and motor impairments with manifold underlying mechanisms. Recent attention has turned to epigenetic mechanisms, particularly histone lysine methyltransferases (HKMTs), such as G9a, in understanding fundamental pathogenesis.
Malak Hajar   +4 more
wiley   +1 more source

Histamine H1‐receptor‐mediated modulation of NMDA receptors signaling responses

open access: yesPharmacology Research & Perspectives
This study attempted to clarify the role of histamine H1 receptors in epilepsy by exploring the effects of agonists and inverse agonists on the rundown of the current induced by iterative applications of NMDA or GABA in primary neuronal culture ...
J.‐M. Arrang, V. Armand
doaj   +1 more source

Phagocytosis by macrophages depends on histamine H2 receptor signaling and scavenger receptor 1

open access: yesMicrobiologyOpen, 2019
The histamine H2 receptor (H2R) is a G protein‐coupled receptor that mediates cyclic AMP production, protein kinase A activation, and MAP kinase signaling.
Robert Fultz   +9 more
doaj   +1 more source

Calcium puffs are generic InsP3-activated elementary calcium signals and are downregulated by prolonged hormonal stimulation to inhibit cellular calcium responses [PDF]

open access: yes, 2001
Elementary Ca2+ signals, such as "Ca2+ puffs", which arise from the activation of inositol 1,4,5-trisphosphate receptors, are building blocks for local and global Ca2+ signalling.
Berridge, Michael J.   +11 more
core  

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