Results 41 to 50 of about 27,067 (198)

Identification of the pan-allergen tropomyosin from the common bed bug (Cimex lectularius)

Scientific Reports
Tropomyosin is a muscle contraction protein documented across all animal life. Despite its ubiquity, its unique structure in invertebrates leads to allergic responses in humans that vertebrate tropomyosin does not.
Johnalyn M. Gordon, Zachary C. DeVries
doaj   +1 more source

Organoid‐Like Neurovascular Spheroids Promote the Recovery of Hypoxic‐Ischemic Skin Flaps Through the Activation of Autophagy

Advanced Healthcare Materials, EarlyView.
Highly sprouting organoid‐like neurovascular spheroids (NVUs) are developed, featuring cell‐loaded poly‐3‐hydroxybutyrate 4‐hydroxybutyrate(P34HB) porous microsphere cores embedded within Gelatin Methacryloyl. NVUs formed complex vascular plexuses and secreted extracellular matrix in vitro, simulating autologous nerves and blood interaction.
Junjin Jie, Jingyi Ju, Zhenxing Wang, Jun Chen, Lin‐Ping Wu, Jiaming Sun   +5 more
wiley   +1 more source

Dynamics of tropomyosin in muscle fibers as monitored by saturation transfer EPR of bi-functional probe. [PDF]

PLoS ONE, 2011
The dynamics of four regions of tropomyosin was assessed using saturation transfer electron paramagnetic resonance in the muscle fiber. In order to fully immobilize the spin probe on the surface of tropomyosin, a bi-functional spin label was attached to ...
Roni F Rayes, Tamás Kálai, Kálmán Hideg, Michael A Geeves, Piotr G Fajer   +4 more
doaj   +1 more source

Modeling Human Cardiac Thin Filament Structures

Frontiers in Physiology, 2022
Striated muscle contraction is regulated in a calcium-dependent manner through dynamic motions of the tropomyosin/troponin polymer, a multicomponent complex wrapped around actin-containing thin filaments.
Michael J. Rynkiewicz, Elumalai Pavadai, William Lehman   +2 more
doaj   +1 more source

Vessel‐On‐A‐Chip Coupled Proteomics Reveal Pressure‐Overload‐Induced Vascular Remodeling

Advanced Science, EarlyView.
A vessel‐on‐a‐chip system is developed to replicate both physiological and pathological vessel cyclic stretches. Proteomic analysis reveals pressure‐overload‐induced vascular remodeling, including cellular response to mechanical cues, cellular oxidative stresses, ER stress, and ceramide biosynthesis activation in the vessel‐on‐a‐chip system, well ...
Yanjun Liu, Jianxujie Zheng, Lingyan Zhong, Zengyu Wang, Dan Zhao, Hong Lin, Xiaoxue Zhang, Ke Meng, Xiaoxia Yang, Dongxue Zhang, Ling Lin, Liang Qiao   +11 more
wiley   +1 more source

Myocardial Perfusion Defects in Hypertrophic Cardiomyopathy Mutation Carriers

Journal of the American Heart Association, EarlyView., 2021
Background Impaired myocardial blood flow (MBF) in the absence of epicardial coronary disease is a feature of hypertrophic cardiomyopathy (HCM). Although most evident in hypertrophied or scarred segments, reduced MBF can occur in apparently normal segments.
Rebecca K. Hughes, Claudia Camaioni, João B. Augusto, Kristopher Knott, Ellie Quinn, Gabriella Captur, Andreas Seraphim, George Joy, Petros Syrris, Perry M. Elliott, Saidi Mohiddin, Peter Kellman, Hui Xue, Luis R. Lopes, James C. Moon   +14 more
wiley   +1 more source

The Lung Microbiome Modulates Pain‐Like Behavior Via the Lung–Brain Axis in a Nitroglycerin‐Induced Chronic Migraine Mouse Model

Advanced Science, EarlyView.
Intratracheal neomycin alters pulmonary microbiota, activating the vagus nerve via lung brain‐derived neurotrophic factor/tropomyosin receptor kinase B (BDNF/TrkB) pathway, further projecting to nucleus of solitary tract (NTS), then dorsal raphe nucleus (DRN), where activated serotoninergic neurons increase brain serotonin, alleviating migraine.
Biying Liu, Chengya Huang, Xin Li, Haonan Yu, Yuefeng Xia, Kun Liu, Xingji You, Jingxiang Wu   +7 more
wiley   +1 more source

Steric blocking upside down: a different way of thinking about the competition between myosin and tropomyosin

Frontiers in Physics
At low free Ca2+, the actin binding proteins tropomyosin, troponin I, troponin T and troponin C inhibit contraction in striated muscles. Ca2+ activation alters the position of tropomyosin on actin to uncover binding sites for high affinity forms of ...
Joseph M. Chalovich
doaj   +1 more source

Determination of Tropomyosin in Shrimp and Crab by Liquid Chromatography–Tandem Mass Spectrometry Based on Immunoaffinity Purification

Frontiers in Nutrition, 2022
A UPLC-MS/MS method was developed for the detection of tropomyosin (TM) in shrimp and crab. After simple extraction, the samples were purified by immunoaffinity column and then digested by trypsin.
Sufang Fan, Junmei Ma, Junmei Ma, Chunsheng Li, Yanbo Wang, Wen Zeng, Qiang Li, Jinru Zhou, Liming Wang, Yi Wang, Yan Zhang, Yan Zhang   +11 more
doaj   +1 more source

The Conformational Stabilities of Tropomyosins [PDF]

Australian Journal of Biological Sciences, 1976
The stability to denaturation by heat and guanidine hydrochloride of seven vertebrate (including skeletal, cardiac and smooth muscle) tropomyosins and three invertebrate tropomyosins was examined. The transition profiles were discontinuous and in many cases distinct plateaux were observed which indicated the presence of unique partially unfolded states
openaire   +3 more sources