Buscar
Mostrando ítems 1-10 de 7036
Marine Toxins Targeting Ion Channels
(Molecular Diversity Preservation International, 2006-04)
This introductory minireview points out the importance of ion channels for cell communication. The basic concepts on the structure and function of ion channels triggered by membrane voltage changes, the so-called voltage-gated ...
Ion permeation in normal and batrachotoxin-modified Na+ channels in the squid giant axon
(1991)
Na+ permeation through normal and batrachotoxin (BTX)-modified squid axon Na+ channels was characterized. Unmodified and toxin-modified Na+ channels were studied simultaneously in outside-out membrane patches using the ...
Voltage-Gated K+/Na(+)Channels and Scorpion Venom Toxins in Cancer
(Frontiers Media, 2020)
Ion channels have recently been recognized as novel therapeutic targets in cancer research since they are overexpressed in different histological tissues, and their activity is linked to proliferation, tumor progression, ...
Hyperkalemic periodic paralysis M1592V mutation modifies activation in human skeletal muscle Na+ channel
(1999)
Mutations in the human skeletal muscle Na+ channel underlie the autosomal dominant disease hyperkalemic periodic paralysis (HPP). Muscle fibers from affected individuals exhibit sustained Na+ currents thought to depolarize ...
Actin modifies Ca2+ block of epithelial Na+ channels in planar lipid bilayers
(BIOPHYSICAL SOCIETY, 2001-05)
The mechanism by which the cytoskeletal protein actin affects the conductance of amiloride-sensitive epithelial sodium channels (ENaC) was studied in planar lipid bilayers. In the presence of monomeric actin, we found a ...
Functional transplantation of chloride channels from the human syncytiotrophoblast microvillous membrane to Xenopus oocytes
(2002)
The materno-fetal transfer of metabolites and nutrients requires the operation of specific transport mechanisms through syncytiotrophoblast membranes. Electrophysiological studies on these cells are scarce and, because of ...
Cilium-attached and excised patch-clamp recordings of odourant-activated Ca-dependent K channels from chemosensory cilia of olfactory receptor neurons
(2004)
It has previously been proposed that a Ca2+-dependent K + conductance is implicated in the inhibitory odourant response in rat and toad olfactory receptor neurons. Previous whole-cell and single-channel measurements on ...
Dissemination, sharing and appropriation of information on YouTube: an analysis of the LGBTQ channel Ptie na Roda
(Univ Federal Santa Catarina, 2020-01-01)
Objective: When working with the social and historic context of Lesbian, Gay, Bisexual, Transgender and Queer (LGBTQ) people, it is possible to see the existence of several dimensions of visibility in physical and virtual ...