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In cellular biology, mechanotransduction ( … In cellular biology, mechanotransduction (mechano + transduction) is any of various mechanisms by which cells convert mechanical stimulus into electrochemical activity. This form of sensory transduction is responsible for a number of senses and physiological processes in the body, including proprioception, touch, balance, and hearing. The basic mechanism of mechanotransduction involves converting mechanical signals into electrical or chemical signals. In this process, a mechanically gated ion channel makes it possible for sound, pressure, or movement to cause a change in the excitability of specialized sensory cells and sensory neurons. The stimulation of a mechanoreceptor causes mechanically sensitive ion channels to open and produce a transduction current that changes the membrane potential of the cell. Typically the mechanical stimulus gets filtered in the conveying medium before reaching the site of mechanotransduction. Cellular responses to mechanotransduction are variable and give rise to a variety of changes and sensations. Broader issues involved include molecular biomechanics. Single-molecule biomechanics studies of proteins and DNA, and mechanochemical coupling in molecular motors have demonstrated the critical importance of molecular mechanics as a new frontier in bioengineering and life sciences. Protein domains, connected by intrinsically disordered flexible linker domains, induce long-range allostery via protein domain dynamics.The resultant dynamic modes cannot be generally predicted from static structures of either the entire protein or individual domains. They can however be inferred by comparing different structures of a protein (as in Database of Molecular Motions). They can also be suggested by sampling in extensive molecular dynamics trajectories and principal component analysis, or they can be directly observed using spectrameasured by neutron spin echo spectroscopy. Current findings indicate that the mechanotransduction channel in hair cells is a complex biological machine. Mechanotransduction also includes the use of chemical energy to do mechanical work. of chemical energy to do mechanical work.
, La mecanotransducció, en anglès: Mechanotr … La mecanotransducció, en anglès: Mechanotransduction, es refereix a molts pels quals les cèl·lules converteixen en activitat química. La mecanotransducció és la responsable d'un gran nombre de sentits i de processos fisiològics al cos, incloent la propriocepció, el tacte, l'equilibri i l'oïda. El mecanisme bàsic de la mecanotransducció implicaconvertir els senyals mecànics en senyals elèctrics o químics. En aquest procés, un canal d'ions obert mecànicament ho fa possible per al so, la pressió o el moviment per causar un canvi en l'excitabilitat de cèl·lules sensorials especialitzades i neurones sensorials. L'estimulació d'un mecanoreceptor causa que els canals d'ins sensibles mecànicament s'obrin i produeixin un corrent de transducció de senyal que canvia el potencial de membrana de la cèl·lula. Les respostes cel·lulars a la mecanotransducció són variables i donen lloc a una gran varietat de canvis i de sensacions.a gran varietat de canvis i de sensacions.
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La mecanotransducció, en anglès: Mechanotr … La mecanotransducció, en anglès: Mechanotransduction, es refereix a molts pels quals les cèl·lules converteixen en activitat química. La mecanotransducció és la responsable d'un gran nombre de sentits i de processos fisiològics al cos, incloent la propriocepció, el tacte, l'equilibri i l'oïda. El mecanisme bàsic de la mecanotransducció implicaconvertir els senyals mecànics en senyals elèctrics o químics. En aquest procés, un canal d'ions obert mecànicament ho fa possible per al so, la pressió o el moviment per causar un canvi en l'excitabilitat de cèl·lules sensorials especialitzades i neurones sensorials. L'estimulació d'un mecanoreceptor causa que els canals d'ins sensibles mecànicament s'obrin i produeixin un corrent de transducció de senyal que canvia el potencial de membrana de la cue canvia el potencial de membrana de la c
, In cellular biology, mechanotransduction ( … In cellular biology, mechanotransduction (mechano + transduction) is any of various mechanisms by which cells convert mechanical stimulus into electrochemical activity. This form of sensory transduction is responsible for a number of senses and physiological processes in the body, including proprioception, touch, balance, and hearing. The basic mechanism of mechanotransduction involves converting mechanical signals into electrical or chemical signals.gnals into electrical or chemical signals.
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Mecanotransducció
, Mechanotransduction
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http://dbpedia.org/resource/Mechanosensation +
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