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Aging- and photoaging-dependent changes of enzymic and nonenzymic antioxidants in the epidermis and dermis of human skin in vivo.
In colon cancer, treatment with several chemotherapeutic agents (irinotecan, 5-FU and oxaliplatin) induces Notch1-ICD overexpression by elevating enzymic activity of GS through enhanced expression of presenilin and nicastrin.
Matrix metalloproteinase 7 (matrilysin) from human rectal carcinoma cells: activation of the precursor, interaction with other matrix metalloproteinases and enzymic properties.
MMPs are produced as inactive precursors that require activation, but their enzymic activity seems to be more directly controlled by other proteins called TIMPs--tissue inhibitors of matrix metalloproteinases--which bind to them.
The effects of these ROS are controlled by a system of enzymic and non- enzymic antioxidants.
1969) Enzymic method for quantitative determination of nanogram amounts of total and oxidized glutathione: application to mammalian blood and other tissues.
Once students have their own mental picture of this simplified scheme, they can fill in the details of molecular structure and enzymic control (to the level required of their particular course) during subsequent revision.
Antithrombin III is a plasma protein that inhibits blood clotting by binding to and, thereby, inhibiting the enzymic action of several activated blood-clotting factors, including factors XIa, Xa, IXa and IIa (thrombin).
This is achieved by enzymes, some of these enzymes convert the PAH into epoxide derivatives, which then undergo further enzymic reaction to convert finally to the tetrahydro-epoxy compound [5].
Sinsabaugh RL (1994) Enzymic analysis of microbial pattern and process.
Beneo HPX is more stable and resistant to enzymic break-down in baked good applications at reduced use levels.
Now, MALDITOF "mapping" performed on specific enzymic digest mixtures of a protein/ glycoprotein, or on-line ES-MS, provide reliable methods of confirming the overall amino-acid structure and can pinpoint areas for further investigation.
The globules are resistant to extraction by ethanols, butanols, chloroform, ether, xylene, 5% trichloroacetic acid and 5 N HCl, which suggests that they consist of highly condensed and sequestered proteins that are related to enzymic processing and subsequent excretion of ingested food materials.