A GTP-dependent Vertebrate-type Phosphoenolpyruvate Carboxykinase from Mycobacterium smegmatis [PDF]
This is the first report on a bacterial verterbrate-type GTP-dependent phosphoenolpyruvate carboxykinase (PCK). The pck gene of Mycobacterium smegmatis was cloned. The recombinant PCK was overexpressed in Escherichia coli in a soluble form and with high activity. The purified enzyme was found to be monomeric (72 kDa), thermophilic (optimum temperature,
B, Mukhopadhyay, E M, Concar, R S, Wolfe
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Phosphoenolpyruvate Cycling via Mitochondrial Phosphoenolpyruvate Carboxykinase Links Anaplerosis and Mitochondrial GTP with Insulin Secretion [PDF]
Pancreatic beta-cells couple the oxidation of glucose to the secretion of insulin. Apart from the canonical K(ATP)-dependent glucose-stimulated insulin secretion (GSIS), there are important K(ATP)-independent mechanisms involving both anaplerosis and mitochondrial GTP (mtGTP).
Stark, Romana +7 more
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Glucocorticoid exposure in late gestation permanently programs rat hepatic phosphoenolpyruvate carboxykinase and glucocorticoid receptor expression and causes glucose intolerance in adult offspring [PDF]
Low birth weight in humans is predictive of insulin resistance and diabetes in adult life. The molecular mechanisms underlying this link are unknown but fetal exposure to excess glucocorticoids has been implicated, The fetus is normally protected from ...
Kenyon, C J +9 more
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Crossroads between drug and energy metabolism : role of constitutive androstane receptor and AMP-activated kinase [PDF]
Phenobarbital (PB) is a prototype inducer of genes encoding drug metabolizing enzymes including the cytochromes P450 (CYPs). Additionally, phenobarbital was found to repress genes that encode enzymes involved in gluconeogenesis such as ...
Harach, Taoufiq
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The promoter polymorphism -232C/G of the PCK1 gene is associated with type 2 diabetes in a UK-resident South Asian population [PDF]
Background: The PCK1 gene, encoding cytosolic phosphoenolpyruvate carboxykinase (PEPCK-C), has previously been implicated as a candidate gene for type 2 diabetes (T2D) susceptibility.
Britten, Abigail C +33 more
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Background The genus Mycobacterium (M.) comprises highly pathogenic bacteria such as M. tuberculosis as well as environmental opportunistic bacteria called non-tuberculous mycobacteria (NTM).
Khattak Faisal +4 more
doaj +1 more source
Progressive, transgenerational changes in offspring phenotype and epigenotype following nutritional transition [PDF]
Induction of altered phenotypes during development in response to environmental input involves epigenetic changes. Phenotypic traits can be passed between generations by a variety of mechanisms, including direct transmission of epigenetic states or by ...
Burdge, GC +26 more
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Consequences of Postnatally Elevated Insulin-Like Growth Factor-II in Transgenic Mice: Endocrine Changes and Effects on Body and Organ Growth. [PDF]
Insulin-like growth factor-II (IGF-II) is an important regulator of embryonic growth and differentiation, but its function in postnatal life is unclear. To address this point, we generated transgenic mice harboring fusion genes in which a human IGF-II
E. Wolf +10 more
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Background The metabolic function of PEPCK-C is not fully understood; deletion of the gene for the enzyme in mice provides an opportunity to fully assess its function. Methods The gene for the cytosolic form of phosphoenolpyruvate carboxykinase (GTP) (EC
Kalhan Satish C +8 more
doaj +1 more source
Two Genetically Defined Tram-Acting Loci Coordinately Regulate Overlapping Sets of Liver-Specific Genes [PDF]
Mice homozygous for deletions around the albino locus fail to activate expression of a set of neonatal liver functions and die shortly after birth. This phenotype is thought to result from the loss of a positive trans-acting factor, denoted alf, in ...
Boshart, Michael +5 more
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