Results 251 to 260 of about 1,936,993 (306)

Safety and efficacy of the feed additives consisting of citric acid anhydrous and citric acid monohydrate produced by fermentation with <i>Aspergillus niger</i>CGMCC 6.466 for all animal species (Sunshine Biotech International). [PDF]

EFSA J
EFSA Panel on Additives and Products or Substances used in Animal Feed (FEEDAP), Villa RE, Azimonti G, Bonos E, Christensen H, Durjava M, Dusemund B, Gehring R, Glandorf B, Kouba M, López-Alonso M, Marcon F, Nebbia C, Pechová A, Prieto-Maradona M, Theodoridou K, Yurkov A, Dulak-Lis M, Galobart J, Vettori MV, Villa AN, Pettenati E, Valeri P.   +22 more
europepmc   +1 more source

Explant origin and growth regulators as determinants of callus performance and terpenoid indole alkaloid accumulation in Catharanthus roseus. [PDF]

BMC Plant Biol
Desouky AF, El-Assal SE, Abdelsamad A, Reda AS, Danial N, Hanafy MS.   +5 more
europepmc   +1 more source

Erratum to "Gut Microbiota Modulation by Lysozyme as a Key Regulator of Vascular Inflammatory Aging". [PDF]

Research (Wash D C)
Zhang C, Zhao X, Zhang H, Wang T, Zhang Z, Yin Y, Wang H, Tong X, Xue Y, Zhou Y, Yuan F, Bian X, Wei H, Huang Y, Liu T.   +14 more
europepmc   +1 more source

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Ribonucleotide reductase: regulation, regulation, regulation

Trends in Biochemical Sciences, 1992
Ribonucleotide reductase (RNR) catalyses the rate limiting step in the production of deoxyribonucleotides needed for DNA synthesis. It is composed of two dissimilar subunits, R1, the large subunit containing the allosteric regulatory sites, and R2, the small subunit containing a binuclear iron center and a tyrosyl free radical.
S J, Elledge, Z, Zhou, J B, Allen
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Regulating the regulators

Science, 2017
Autoimmunity Inhibitory receptors on T cells, including LAG3 (encoded by lymphocyte-activation gene 3 ), limit immune-mediated damage to the host. LAG3 is expressed by exhausted conventional T cells in the tumor microenvironment. The role of LAG3 in regulatory T cells (Tregs) has remained unclear.
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Regulating 'Unnecessary Surgery' Regulations

Archives of Ophthalmology, 1978
To the Editor. —Dr Wong's special communication entitled, "Indications for Cataract Surgery: Psycholinguistic Considerations," which appeared in the MarchArchives(96:526-528, 1978), superbly states the problems facing both patient and surgeon in the often-difficult process of deciding the point at which to intervene surgically in a patient with ...
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Self-regulation

2017
Self-regulation encompasses a wide range of arrangements, from private ordering without resort to legal rules to state-enforced systems of delegated rules. Transaction cost analysis has been used to explain how private ordering emerges, and the advantages, but also the difficulties, of state delegation have been illustrated using a comparative approach.
CARBONARA, EMANUELA, A. Ogus
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Regulating the Regulators

Science, 2007
Growth factors and nutrients, particularly amino acids, regulate cell growth and proliferation in part through the serine-threonine protein kinase mTOR (mammalian target of rapamycin). Activity of mTOR is regulated through the small guanosine triphosphatase Rheb (Ras homolog enriched in brain). Bai et al .
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SIRTUIN 1: Regulating the regulator

Biochemical and Biophysical Research Communications, 2008
Earlier analyses on the sirtuin family of histone deacetylases and its well-known member SIRT1 had their primary focus mostly on the identification of cellular targets exploring molecular mechanisms and functional networks in the control of metabolic homeostasis, differentiation, apoptosis and cell survival.
Barbara, Zschoernig, Ulrich, Mahlknecht
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