Search PubMed⌕ Search

SEARCH · Search PubMed

Results for “FAD”

Search indexed PubMed citations on genomics, clinical trials, systematic reviews and public health. Explore titles, authors and supplied subject terms, then open the PubMed record.

Quote a phrase for an exact phrase match. Source license links do not imply unrestricted reuse.

At least 793 records · Page 44Linked to original sources
PubMed1989

Appetoff: another diet fad.

Appetoff diet patches were diet aids introduced to the public in 1987 and removed from the market in 1988 by the FDA for reasons of fraud. The ingredients were supposedly homeopathic concentrations of plant and mineral products. Although 91.6% of persons in this study who used the product for at least 1 week reported weight loss and mild side effects, no active ingredients could be detected by gas chromatography/mass spectrometry.

Administration, Cutaneous↗
PubMed1989

FAD-dependent malate dehydrogenase from Mycobacterium smegmatis: activation of the lipid-depleted inactive enzyme by a phospholipid analogue, di (triethyleneglycoltetradecylether) phosphate.

A novel phospholipid analogue, di (triethyleneglycol-n-tetradecylether) phosphate was synthesized and its activation ability for a phospholipid-requiring enzyme, Mycobacterium smegmatis malate dehydrogenase, was examined. The results showed that the newly-synthesized phospholipid analogue a high ability, nearly equal to that of natural beef heart cardiolipin, for the activation of the lipid-depleted inactive enzyme; whereas both simple di-n-octylphosphate and di-n-tetradecylphosphate were found to have poor activation abilities. These results strongly suggest that a slightly hydrophilic region between the phosphate group and the two alkyl chains of an anionic phospholipid is important for the best activation of M. smegmatis malate dehydrogenase.

Animals↗
PubMed1987

The respiratory burst oxidase of neutrophils. Separation of an FAD enzyme and its characterization.

Pig blood neutrophils were briefly activated by various fatty acids and then fractionated into membrane vesicles with different NADPH oxidase activities. Treatment of these membranes with a detergent, octyl glucoside, resulted in a high yield of solubilized oxidase, which was subjected to isoelectric focusing on gels (pI 4.0-8.0). 1) A distinct band staining with NADPH-nitroblue tetrazolium focused at pI 5.0. The enzyme (pI 5.0) showed high specificity for NADPH and similar characteristics to the oxidase involved in the respiratory burst. 2) The enzyme was extracted from gel slices and analyzed. When measured promptly after its extraction, its NADPH oxidase activity was high, but there was apparent superoxide dismutase-insensitive cytochrome c reduction, probably due to direct electron transfer to the heme protein. However, it could produce superoxide anion (O2-) under some micelle conditions. 3) Therefore, the formation of the enzyme-substrate complex of yeast cytochrome c peroxidase was employed for the detection of H2O2. A fresh extract of stimulated cells catalyzed equimolar NADPH oxidation and H2O2 production of 306 and 300 nmol min-1 (mg protein)-1, respectively. The Km value of the enzyme for NADPH was 30 +/- 13 (S.D.) microM. The recovery of the extract (pI 5.0) was 19% of the total activity. 4) The enzyme extract contained 1.1-1.9 nmol of FAD/mg of protein, giving a turnover number of 300-600 min-1 in terms of O2- generation/FAD. No heme protein was found in the enzyme. The enzyme was mainly of 67-kDa molecular mass.

Animals↗