Results 61 to 70 of about 7,486,222 (302)

Amino Acids, Amino Acid Derivatives and Peptides as Antioxidants

, 2022
[Excerpt] The biological concept of antioxidant refers to any compound that is able to delay or 5 prevent the oxidation of easily oxidizable substrates, such as DNA, proteins and 6 lipids. Antioxidants reduce oxidative stress and mutations in DNA as well as other 7 parameters associated with cell damage.
Monteiro, Luís S., Paiva-Martins, Fátima   +1 more
openaire   +2 more sources

Pharmacokinetics of L-theanine and the effect on amino acid composition in mice administered with L-theanine

Amino Acids
L-theanine, an amino acid component of the tea leaves of Camellia sinensis, is sold in Japan as a supplement for good sleep. Although several studies in humans and mice have reported the effects of L-theanine on brain function, only a few reports have ...
Shinnosuke Yamaura, Koki Sadamori, Reiko Konishi, Takashi Majima, Akira Mukai, Kyosuke Uno, Toshihiko Kinjo, Koji Komori, Nobuyuki Kuramoto, Kou Kawada   +9 more
doaj   +1 more source

The Factors of the Classification of Protein Amino Acids [PDF]

This paper is published in GLASNIK of Montenegrin Academy of Science and arts, 2000, 13, pp. 173-194, 2006
In this work it is shown that three pairs of the factors appear to be the key, i.e. main factors of a natural classification of protein (canonical) amino acids within the amino acid (genetic) code. First pair: the factors of the habit of an amino acid molecule (size and polarity).
arxiv  

Incorporation in vitro of labeled amino acids into bone marrow cell proteins [PDF]

, 1950
Nearly all experiments on the incorporation of labeled amino acids into tissue proteins in vitro have been done on tissues whose cell structure has been partially or completely disintegrated, e.g. tissue slices, segments, or homogenates.
Borsook, Henry, Deasy, Clara L., Haagen-Smit, A. J., Keighley, Geoffrey, Lowy, Peter H.   +4 more
core  

Different domains cooperate to target the human ribosomal L7a protein to the nucleus and to the nucleoli. [PDF]

, 1997
The human ribosomal protein L7a is a component of the major ribosomal subunit. We transiently expressed in HeLa cells L7a-β-galactosidase fusion proteins and studied their subcellular localization by indirect immunofluorescence staining with anti-β ...
Giulia RUSSO, PIETROPAOLO C., RICCIARDELLI G.   +2 more
core   +1 more source

Identification and characterization of endogenous biomarkers for hepatic vectorial transport (OATP1B3-P-gp) function using metabolomics with serum pharmacology

Amino Acids
The organic anion-transporting polypeptide 1B3 and P-glycoprotein (P-gp) provide efficient directional transport (OATP1B3-P-gp) from the blood to the bile that serves as a key determinant of hepatic disposition of the drug.
Yong-wen Jin, Yan-rong Ma, Ming-kang Zhang, Wen-bin Xia, Pei Yuan, Bo-xia Li, Yu-hui Wei, Xin-an Wu   +7 more
doaj   +1 more source

Correlations of Amino Acids with Secondary Structure Types: Connection with Amino Acid Structure [PDF]

arXiv, 2005
The correlations of primary and secondary structures were analyzed using proteins with known structure from Protein Data Bank. The correlation values of amino acid type and the eight secondary structure types at distant position were calculated for distances between -25 and 25.
arxiv  

Amino acids: inhibitors or promoters of anaerobic biocorrosion of steels? [PDF]

, 2007
Various authors have shown that some amino acids can act as corrosion inhibitors, which has generated an increasing interest in these compounds as substitutes to conventional corrosion inhibitors that are usually toxic [1,2].
Basséguy, Régine, Bergel, Alain, Demuez, Marie, Délia, Marie-Line, Girbal, Laurence, Mehanna, Maha   +5 more
core   +5 more sources

Creatine homeostasis and the kidney: comparison between kidney transplant recipients and healthy controls

Amino Acids
Creatine is a natural nitrogenous organic acid that is integral to energy metabolism and crucial for proper cell functioning. The kidneys are involved in the first step of creatine production. With kidney transplantation being the gold-standard treatment
Adrian Post, Dion Groothof, Daan Kremer, Tim J. Knobbe, Willem Abma, Christa A. Koops, Dimitrios Tsikas, Theo Wallimann, Robin P.F. Dullaart, Casper F.M. Franssen, Ido P. Kema, M. Rebecca Heiner-Fokkema, Stephan J.L. Bakker   +12 more
doaj   +1 more source

Decomposition of Amino Acids in Water with Application to In-Situ Measurements of Enceladus, Europa and Other Hydrothermally Active Icy Ocean Worlds [PDF]

, 2019
To test the potential of using amino acid abundances as a biosignature at icy ocean worlds, we investigate whether primordial amino acids (accreted or formed by early aqueous processes) could persist until the present time. By examining the decomposition kinetics of amino acids in aqueous solution based on existing laboratory rate data, we find that ...
arxiv   +1 more source