Words similar to gpi
Example sentences for: gpi
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It is not known whether the GPI anchor is still intact on the APN receptor; however, in the current study, phosphatidylinositol-specific phospholipase C (PIPLC) was not used during BBMV preparation.
Bt, Bacillus thuringiensis ; APN, aminopeptidase N; GPI, glycosyl-phosphatidylinositol; BBMV, brush border membrane vesicles; LpNA, leucine-p-nitroanilide; PIPLC, phosphatidylinositol-specific phospholipase C; HBS, Hepes-buffered saline; SPR, surface plasmon resonance
Hyal-2 is found in the lysosome and is active under conditions of low pH [ 20 ] . Hyal-2 is also found on the cell surface as a glycosylphosphatidylinositol (GPI)-anchored receptor for jaagsiekte sheep retrovirus [ 21 ] . Nonetheless, the enzymatic activity of Hyal-2 has not been detected [ 21 ] . Whether the increased TNF cytotoxicity in L929 cells caused by Hyal-1 and Hyal-2 is associated with their enzymatic activities is being studied in this laboratory.
The Sperm Adhesion Molecule 1 (SPAM1 or PH-20) is a glycosyl-phosphatidylinositol (GPI)-linked protein found on all mammalian spermatozoa that have been examined, and has been reported to play multiple roles in fertilization [ 1 ] . Although a recent gene targeting study indicates that in mice, which have four active non-somatic hyaluronidases, Spam1 is not essential for fertilization [ 2 ] ; this is unlikely to be the case in humans where SPAM1 is the only such hyaluronidase present.
It was shown previously that APN may be purified with intact GPI-anchors if PIPLC is omitted from the preparation buffer [ 6 ] . It is likely that our APN has similarly retained the GPI anchor.
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