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OBJECTIVE Fibroblast growth factor 21 (FGF21) has emerged as an important metabolic regulator of glucose and lipid metabolism. The aims of the current study are to evaluate the role of FGF21 in energy metabolism and to provide mechanistic insights into its glucose and lipid-lowering effects in a high-fat diet-induced obesity (DIO) model. RESEARCH DESIGN(More)
Circulating levels of fibroblast growth factor 21 (FGF21), a metabolic regulator of glucose, lipid, and energy homeostasis, are elevated in obese diabetic subjects, raising questions about potential FGF21 resistance. Here we report tissue expression changes in FGF21 and its receptor components, and we describe the target-organ and whole-body responses to(More)
Susceptibility to Leishmania tropica was studied in Biozzi 'high' (Ab/H) and 'low' (Ab/L) responder mice of Selections I and III which, although originally selected with heterologous erythrocytes and Salmonella flagellar antigens respectively, both show non-specific separation of antibody responses. Ab/H Sel I produce only small lesions, even with the(More)
Agouti-related protein (AGRP) is an endogenous antagonist of the melanocortin action.(1) In the hypothalamus, melanocortin peptide agonists act as satiety-inducing factors that mediate their action through the melanocortin-4 receptor (MC4R) whereas AGRP is an opposing orexigenic agent. Novel inhibitors of the AGRP/MC4 binding based on(More)
Fibroblast growth factor 21 (FGF21) is a potent metabolic regulator, and pharmacological administration elicits glucose and lipid lowering responses in mammals. To delineate if adipose tissue is the predominant organ responsible for anti-diabetic effects of FGF21, we treated mice with reduced body fat (lipodystrophy mice with adipose specific expression of(More)
The objectives of the study were to evaluate the effectiveness of a reduced-emission (RE) diet containing 6.9% of a CaSO(4)-zeolite mixture and slightly reduced CP to 21-, 38-, and 59-wk-old Hy-Line W-36 hens (trials 1, 2, and 3, respectively) on egg production and emissions of NH(3), H(2)S, NO, NO(2), CO(2), CH(4), and non-CH(4) total hydrocarbons as(More)
Resistant CBA mice infected with Leishmania tropica promastigotes develop concomitant and convalescent immunity against reinfection. This can be adoptively transferred by splenic and lymph node T cells with a threshold dosage of 1 to 2.5 x 10(7). The effector cells are of Thy-1+, Lyt-1+2- phenotype. The same immune cell population also adoptively transfers(More)
Models of the different disease patterns of cutaneous leishmaniasis can be induced by the same dose of L. tropica promastigotes in various inbred strains of mice. The susceptibility of BALB/c is exceptional, essentially dosage independent (being demonstratable with as few as 20 parasites) and leads to huge progressive lesions with fatal visceral and(More)