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Cellular junctions

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brajo083's version from 2016-02-04 00:07

Section 1

Question Answer
DesmosomesIntermediate filaments - Adjacent cells; holds cells together
HemidesmosomesIntermediate filaments - Basement membrane; holds cell to basement membrane
Adherens junctionsActin filaments - Other cells/ECM; holds cells together
Tight junctionsActin filaments - adjacent cells; forms zonula occludin; restrict movement but allows leakage of certain small molecules
Gap junctions allows passage of small molecules
Focal adhesionActin filaments - ECM; signaling and binding with ECM
IntegrinSense adhesion
memorize

Section 2

Question Answer
DesmosomesCadherins (desmoglein & desmocollin)
Hemidesmosomesdesmopenetrin
Adherens junctionsCadherins & alpha delta and gamma catenin
Tight junctionsClaudins and occludins
Gap junctions 6 connexin subunits
memorize

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