Class II, but not class I, presentation is inhibited by treatment of the cells with an agent that blocks endocytic processing within the cell (chloroquine).

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#Id: 9993

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Planar Cell Polarity 

direct cells to divide in the same plane (rather than forming upper and lower tissue compartments) and to move within that same plane

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#XL - T Zoology

The Wnt-Ca2+ pathway is initiated by Frizzled receptors activating a classical G protein-coupled signaling pathway.

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#Id: 9995

#XL - T Zoology

TLS Online TPP Program

#Id: 9996

#XL - T Zoology

In Wnt-Ca2+ pathway, Wnt binding to the receptor protein possibly Ryk, alone or in concert with Frizzled.

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#Id: 9997

#XL - T Zoology

Frizzled-G protein signaling activates PLC-beta, which cleaves PIP2 into DAG and IP3.

TLS Online TPP Program

#Id: 9998

#XL - T Zoology

Wnt/calcium pathway leads to the release of calcium stored within cells, and calcium acts as an important secondary messenger to modulate the function of many downstream targets.