Maps_Modules
HMC:ACTIVATING_INVASION_AND_METASTASIS
EMT Senescence / EMT_REGULATORS
EMT Senescence / CYTOSKELETON_POLARITY
EMT Senescence / CELL_CELL_ADHESIONS
EMT Senescence / CELL_MATRIX_ADHESIONS
EMT Senescence / ECM
EMT Senescence / TIGHT_JUNCTIONS
EMT Senescence / GAP_JUNCTIONS
EMT Senescence / ADHERENS_JUNCTIONS
EMT Senescence / DESMOSOMES
References
PMID:15151915
Tight cell juntions serve as a physical barrier to prevent solutes and water from passing freely through the paracellular space between epithelial or endothelial cell sheets.
Multicellular organisms are separated from the external environment by a layer of epithelial cells
The integrity of these epithelial cells is maintained by intercellular junctional complexes (tight junctions, adherens junctions, and desmosomes,
whereas gap junctions provide for intercellular communication.
em_emtc_emtc_re346( EMT Senescence ):
PMID:22949611
Signaling molecules act directly on polarity proteins, bypassing transcription factors such as Snail and Zeb1:
TGFBR1 binds to the tight junction protein Occludin and locally assembles into a complex containing Par6.
Activated TGFBR2 phosphorylates Par6, which binds to Smurf1 and causes RhoA ubiquitylation and the dissolution of junctions.
em_emtc_emtc_re653( EMT Senescence ):
GJB1 is so-called Connexin 32 or Cx32
PMID:11978007
Cx32 Formation and / or Cx32-Mediated Intercellular Communication Induces Expression and Function of Tight Junctions in Hepatocytic Cell Line
PMID:17568974
Connexins induce and maintain tight junctions in epithelial cells.
em_emtc_emtc_re656( EMT Senescence ):
PMID:15292177
In mouse epithelial cells lacking any ZO-1 expression, there is retarded tight junction formation.
This phenotype was rescued by exogenous expression of ZO-1, but not by ZO-2, suggesting that these proteins are not functionally redundant
PMID:15980428
References
s_wnc4_re33:( Survival ) PMID:18285450