منابع مشابه
Nrt1 and Tna1-Independent Export of NAD+ Precursor Vitamins Promotes NAD+ Homeostasis and Allows Engineering of Vitamin Production
NAD(+) is both a co-enzyme for hydride transfer enzymes and a substrate of sirtuins and other NAD(+) consuming enzymes. NAD(+) biosynthesis is required for two different regimens that extend lifespan in yeast. NAD(+) is synthesized from tryptophan and the three vitamin precursors of NAD(+): nicotinic acid, nicotinamide and nicotinamide riboside. Supplementation of yeast cells with NAD(+) precur...
متن کاملPromoting Progress: A Qualitative Analysis of Creative and Innovative Production
For five years, I have been conducting interviews with United States artists and scientists in diverse fields, as well as with their lawyers and business partners. My goal in doing so was to learn how intellectual property functions in their professional lives devoted to creative and innovative work. The scholarly literature defending and explaining intellectual property in the United States is...
متن کاملGrowth promoting antibiotics in food animal production: an economic analysis.
OBJECTIVE Considerable controversy persists regarding the use of human antibiotics to promote growth in animals raised for food. The authors examined the economic effect of removing antibiotics used for growth promotion in commercial broiler chickens. METHODS The authors utilized data published by the Perdue company, the fourth largest poultry producer in the United States, in which a non-ran...
متن کاملThe Initiating and Promoting Elements in Tumor Production
Benzpyrene brings about neoplastic changes in rabbit epidermis much sooner than has been supposed. The long interval that elapses before visible growths appear is due in the main to the relatively slight power of the carcinogen to encourage multiplication of the cells it renders neoplastic. Yet some slight power of this sort it has. Methylcholanthrene has somewhat more but not nearly so much as...
متن کاملPromoting Meaningful Learning through Video Production-Supported PBL
This paper reports on a design-based research for designing, implementing, and refi ning a problem-based learning (PBL) course on educational digital video at the University of Lapland’s Faculty of Education. The course builds on a combination of problem solving in small group tutorial sessions and realizing a practical hands-on project during which the students design and produce educational v...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Nature Reviews Drug Discovery
سال: 2018
ISSN: 1474-1776,1474-1784
DOI: 10.1038/nrd.2018.212