A joint study on the Lynx1 protein has revealed that the protein competes with human nicotinic acetylcholine receptors for binding to amyloids, which are the main cause of Alzheimer's development. In the future, the protein ...
Jul 6, 2016
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(Medical Xpress) -- The prefrontal cortex of the brain is involved in memory processes and the ability to concentrate attentively. Neuroscientists from VU University Amsterdam have shown how and where this occurs in the prefrontal ...
Aug 11, 2011
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In 2019, the WHO positioned chronic obstructive pulmonary disease (COPD) third in the global ranking of causes of death. However, some mechanisms of this debilitating chronic respiratory disease are yet to be identified. ...
Dec 14, 2021
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If you remember your first hit on a cigarette, you know how sickening nicotine can be. Yet, for many people, the rewards of nicotine outweigh the negative effects of high doses.
Aug 11, 2022
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Mutant mice are providing scientists with a new neurobiological framework to understand the brain changes observed in distractible humans who carry a common gene variant whose frequency has been associated with Attention ...
Apr 7, 2022
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Treatments for Parkinson's disease have most recently focused on increasing dopamine, a chemical messenger in the brain that affects reward-based behaviors and motivation, as well as movement. A new study by Yale researchers ...
Jul 17, 2019
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Stanford researchers discovered that a receptor that binds to nicotine and to clusters of beta-amyloid molecules is found on certain types of immune cells that can act as suppressors and regulators of the immune system.
Jul 12, 2018
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Working memory, the ability to hold a thought in mind even through distraction, is the foundation of abstract reasoning and a defining characteristic of the human brain. It is also impaired in disorders such as schizophrenia ...
Mar 19, 2020
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Millions of people around the world use proton pump inhibitors for conditions like heartburn, gastritis and stomach ulcers. Researchers at Karolinska Institutet in Sweden now report that the long-term use of these drugs could ...
May 8, 2020
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New research from the laboratory of cancer scientist Dr. Tak Mak, renowned for cloning the human T-cell receptor, has demonstrated that immune cells make brain chemicals to fight off infections.
Feb 7, 2019
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The chemical compound acetylcholine (often abbreviated ACh) is a neurotransmitter in both the peripheral nervous system (PNS) and central nervous system (CNS) in many organisms including humans. Acetylcholine is one of many neurotransmitters in the autonomic nervous system (ANS) and the only neurotransmitter used in the motor division of the somatic nervous system (sensory neurons use glutamate and various peptides at their synapses). Acetylcholine is also the principal neurotransmitter in all autonomic ganglia.
Acetylcholine slows the heart rate when functioning as an inhibitory neurotransmitter. However, acetylcholine also behaves as an excitatory neurotransmitter at neuromuscular junctions.
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