The glycosyl-phosphatidylinositol (GPI)-anchored F3 molecule, a member of the Ig superfamily made up of Ig and FNIII-like domains, is involved in cell-cell adhesion, neuronal pathfinding and fasciculation. Little is known about the mechanism(s) that governs the F3-mediated cell-cell recognition. In particular, it is not known whether F3 transduces signals across the membrane. Here we show that ...

Calculations further support the premise that large-scale synchronous firings of neurons may affect molecular processes. The context is scalp electroencephalography (EEG) during short-term memory (STM) tasks. The mechanism considered is Π = p + qA (SI units) coupling, where p is the momenta of free Ca waves q the charge of Ca in units of the electron charge, and A the magnetic vector potential ...

The F3 histones of duck erythrocytes and calf thymus have been purified and compared by a variety of techniques. The results of analytical gel electrophoresis, gel filtration, cysteine content determinations, and amino acid analysis support the conclusion that there exist two chemically and metabolically distinct forms of F3 histone. The duck erythrocyte has a single form of F3 histone, which c...

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F3 and TAG-1 are two closely related adhesion glycoproteins of the Ig superfamily that are both expressed by the axons of cerebellar granule cells. In an in vitro system in which cerebellar granule cells were cultured on monolayers of transfected Chinese hamster ovary (CHO) cells, we show that F3 and TAG-1 interact functionally. F3 transfectants have been shown to inhibit outgrowth and induce f...