Results 51 to 60 of about 892,163 (354)

Mapping the evolution of mitochondrial complex I through structural variation

open access: yesFEBS Letters, EarlyView.
Respiratory complex I (CI) is crucial for bioenergetic metabolism in many prokaryotes and eukaryotes. It is composed of a conserved set of core subunits and additional accessory subunits that vary depending on the organism. Here, we categorize CI subunits from available structures to map the evolution of CI across eukaryotes. Respiratory complex I (CI)
Dong‐Woo Shin   +2 more
wiley   +1 more source

Adenosine receptor agonism protects against NETosis and thrombosis in antiphospholipid syndrome

open access: yesNature Communications, 2019
Potentiation of neutrophil extracellular trap (NET) release is one mechanism by which antiphospholipid antibodies (aPL Abs) effect thrombotic events in patients with antiphospholipid syndrome (APS).
R. Ali   +12 more
semanticscholar   +1 more source

Erythrocytes enhance oxygen-carrying capacity through self-regulation

open access: yesFrontiers in Physiology
Once considered passive carriers of oxygen, erythrocytes are now understood to play active roles in regulating oxygen homeostasis and redox balance. This review examines the molecular mechanisms through which red blood cells adapt to hypoxic conditions ...
Ying Xu   +4 more
doaj   +1 more source

Atypical response of class IC atrial flutter to adenosine

open access: yesMonaldi Archives for Chest Disease, 2015
We report the case of a 67-year-old female with a wide QRS complex tachycardia at 180 bpm. A diagnosis of class IC atrial flutter with aberrant ventricular conduction caused by flecainide therapy was formulated.
Francesco Rotondi   +6 more
doaj   +1 more source

The Pathophysiology and Treatment of Essential Tremor: The Role of Adenosine and Dopamine Receptors in Animal Models

open access: yesBiomolecules, 2021
Essential tremor (ET) is one of the most common neurological disorders that often affects people in the prime of their lives, leading to a significant reduction in their quality of life, gradually making them unable to independently perform the simplest ...
Barbara Kosmowska, Jadwiga Wardas
doaj   +1 more source

The role of the neuromodulator adenosine in alcohols actions. [PDF]

open access: yes, 1997
The interaction between the neuromodulator adenosine and adenosine receptors on the surface of neurons modifies the neurons responses to neurotransmitters.
Diamond, Ivan, Dohrman, D, Gordon, A
core  

Impulse oscillometry identifies peripheral airway dysfunction in children with adenosine deaminase deficiency. [PDF]

open access: yes, 2015
Adenosine deaminase-deficient severe combined immunodeficiency (ADA-SCID) is characterized by impaired T-, B- and NK-cell function. Affected children, in addition to early onset of infections, manifest non-immunologic symptoms including pulmonary ...
Candotti, Fabio   +6 more
core   +2 more sources

Linked dimers of the AAA+ ATPase Msp1 reveal energetic demands and mechanistic plasticity for substrate extraction from lipid bilayers

open access: yesFEBS Letters, EarlyView.
Cells must clear mislocalized or faulty proteins from membranes to survive. The AAA+ ATPase Msp1 performs this task, but dissecting how its six subunits work together is challenging. We engineered linked dimers with varied numbers of functional subunits to reveal how Msp1 subunits cooperate and use energy to extract proteins from the lipid bilayer ...
Deepika Gaur   +5 more
wiley   +1 more source

A2A adenosine receptor-driven cAMP signaling in olfactory bulb astrocytes is unaffected in experimental autoimmune encephalomyelitis

open access: yesFrontiers in Immunology, 2023
IntroductionThe cyclic nucleotide cyclic adenosine monophosphate (cAMP) is a ubiquitous second messenger, which is known to play an important anti-inflammatory role.
Marina Wendlandt   +11 more
doaj   +1 more source

Activity-dependent release of Adenosine: a critical re-evaluation of mechanism [PDF]

open access: yes, 2008
Adenosine is perhaps the most important and universal modulator in the brain. The current consensus is that it is primarily produced in the extracellular space from the breakdown of previously released ATP.
Dale, Nicholas, Wall, Mark J.
core   +2 more sources

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