ectoenzyme


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ectoenzyme

[¦ek·tō′en‚zīm]
(biochemistry)
An enzyme which is located on the external surface of a cell.
References in periodicals archive ?
A gene expression study carried out by Corton et al (66) with omental adipose tissue from PCOS women showed overexpression of ectoenzyme nucleotide pyrophosphate phosphodiesterase 1 (ENPPI), which is a negative regulator of INSR tyrosine kinase activity and the regulatory p85[alpha] subunit of PI3K which resulted in decreased PI3K activity.
Ectoenzyme potentials profiles can indicate substrate availability, important substrates for growth, as well as changes in community composition in environmental samples (Sinsabaugh & Foreman 2001, Taylor et al.
The test detects upregulation of CD203c, an ectoenzyme expressed only on basophils, mast cells, and CD34-positive progenitor cells in peripheral blood as a marker of cell activation, said Dr.
Paul Parren, Vice President, Research and Technology of Genmab on June 10 at The CD38 Ectoenzyme Family: Advances in Basic Science and Clinical Practice conference in Torino, Italy.
Lymphocyte ectoenzyme activity compared in healthy persons and patients seropositive to or at high risk of HIV infection.
5; 5NT), an intrinsic membrane glycoprotein present as an ectoenzyme in a wide variety of mammalian cells, hydrolyzes 5'-nucleotides to their corresponding nucleosides (1).
28) is an ectoenzyme located on the brush border membrane of mammalian kidney and small intestine.