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Iron deficiency and iron overload are among the most prevalent nutritional disorders worldwide. Duodenal cytochrome b (DcytB) and divalent metal transporter 1 (DMT1) are regulators of iron absorption. Their expression is increased during high systemic requirements for iron, but the molecular mechanisms that regulate DcytB and DMT1 expression are undefined.(More)
To elucidate the function of PPARgamma in leptin-deficient mouse (ob/ob) liver, a PPARgamma liver-null mouse on an ob/ob background, ob/ob-PPARgamma(fl/fl)AlbCre(+), was produced using a floxed PPARgamma allele, PPARgamma(fl/fl), and Cre recombinase under control of the albumin promoter (AlbCre). The liver of ob/ob-PPARgamma(fl/fl)AlbCre(+) mice had a(More)
BACKGROUND & AIMS Colon epithelial cells are critical for barrier function and contain a highly developed immune response. A previous study has shown hypoxia-inducible factor (HIF) as a critical regulator of barrier protection during colon epithelial injury. However, the role of HIF signaling in colon mucosal immunity is not known. METHODS With the use of(More)
Benzo[a]pyrene (B[a]P) is a ligand for the aryl hydrocarbon receptor (Ahr). After binding ligand, Ahr dimerizes with the aryl hydrocarbon receptor nuclear translocator (Arnt) protein, and the dimer upregulates the transcription of Cyp1a1, Cyp1b1 and other enzymes involved in the metabolic activation of B[a]P. Arnt null mice die in utero. Mice in which Arnt(More)
This study was carried out to evaluate the effects of training systems on growth and fruit production of ‘Niitaka’ pear (Pyrus pyrifolia L.) trees in the first 8 years in South Korea. The training systems included Y-trellis (YT), T-trellis (TT), and vase-pergola with either two (VP I) or three main branches (VP II). Tree spacing for YT, TT, VP I, and VP II(More)
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