Former research of our laboratory had indicated that the sulfated polysaccharides from the 60% ethyl alcohol precipitate of the pinus massoniana pollen (PPM60) could promote the calcium ascension in spleen lymphocytes of mouse, there were three ways at least: initiates CICR through L-calcium channel of the membrane surface; the calcium release through IP3R in the endoplasmic reticulum; through store-operated calcium channel of the membrane.But it is not clear that how do the polysaccharides as one kind of b...