aggregation factor

aggregation factor

A protein that forms cross links between the cell membranes of different cells to bind them together to form tissues.
References in periodicals archive ?
Ginkgolide B, a component of Ginkgo biloba, is a known platelet aggregation factor antagonist, and the herb, alone or with analgesics, has been associated with intracranial bleeding events.
In sponges, cell adhesion is mainly achieved through species-specific interactions of a type of proteoglycan molecule termed aggregation factor (AF).
Studies of the Microciona aggregation factor (MAF) have thus far been focused upon its self-binding characteristics.
The aggregation factor (MAF) of Microciona sponge is depicted as a species specific, adhesive proteoglycan molecule configured as a sunburst-type structure with a central ring, or core, from which numerous elongated arms project (1).
The cell surface sugar residues, as defined by these lectin probes, may bind to the aggregation factor (MAF) or to endogenous lectins; they may also function as adhesins towards bacteria, algae, etc.
Furthermore, a sponge aggregation factor has been revealed that is a sulfated polysac-charide (Coombe and Parish, 1988).
The aggregation factors present in methanol extract of feces of nymphs, males and females of bedbug, C.