cours "exocytose" - la physiologie animale a l'universite de lille i
cours "exocytose" - la physiologie animale a l'universite de lille i
cours "exocytose" - la physiologie animale a l'universite de lille i
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Vue d’ensemble <strong>de</strong> <strong>la</strong> “pinocytose”<br />
(endocytose en phase liqui<strong>de</strong>)<br />
GTP<br />
GDP+P i<br />
Vésicule à<br />
manteau <strong>de</strong><br />
c<strong>la</strong>thrine<br />
Manteau protéique<br />
Puit recouvert<br />
ATP ADP+P i<br />
Perte du manteau<br />
(secon<strong>de</strong>s)…<br />
Apport d’ hydro<strong>la</strong>ses<br />
aci<strong>de</strong>s du RTG…<br />
ATP<br />
H +<br />
~ 1’: endosome précoce<br />
(pH~6)…<br />
~ 5’: endosome tardif<br />
(pH 5.5~6)…<br />
~2500 vésicules/min (~2-3% of<br />
surface)!<br />
ADP+Pi<br />
~30’: Lysosome<br />
(pH
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