BACKGROUND There are many uncertainties concerning variations in benzo[a]pyrene (B[a]P) soil guidelines protecting human health based on carcinogenic data obtained in animal studies. Although swine is recognised as being much more representative of the human child in terms of body size, gut physiology and genetic profile the rat/mice model is commonly used in practice. OBJECTIVES We compare B...

The mechanisms by which cationic amino acids influence pancreatic B-cell function have been studied by monitoring simultaneously (86)Rb(+) efflux and insulin release from perifused rat islets. The effects of two reference amino acids arginine and lysine were compared with those of closely related substances to define the structural requirements for recognition of these molecules as secretagogue...

Cole, Kathryn A., Anne W. Harmon, Joyce B. Harp, and Yashomati M. Patel. Rb regulates C/EBP -DNA-binding activity during 3T3-L1 adipogenesis. Am J Physiol Cell Physiol 286: C349–C354, 2004. First published October 22, 2003; 10.1152/ajpcell.00255.2003.—Two pathways are initiated upon 3T3-L1 preadipocyte differentiation: the reentry of cells into the cell cycle and the initiation of a cascade of ...

A com p ara tive stu d y on fa tigue resistanc e of thin a luminium b e aring lining s (sup porte d b y hard er b a ckin g ste e l layers) pro d uc e d b y hig h ve loc ity oxyfue l (HV O F) s pray coa tin g and conventiona l roll bon d ing (RB) proc esses has shown tha t the former is sup erior to the la tter with similar lining com position (A l–20%Sn–1% C u–0?25%Mn) when com p are d on the b...

The single C. elegans member of the retinoblastoma gene family, lin-35 Rb, was originally identified as a synthetic Multivulva (synMuv) gene [1]. These genes form two redundant classes, A and B, that repress ectopic vulval cell fate induction. Recently, we demonstrated that lin-35 Rb also acts as a negative regulator of G(1) progression and likely is the major target of cyd-1 Cyclin D and cdk-4...

A Monte Carlo simulation exploring uncertainties in standard stellar evolution theory on the red giant branch of metal-poor globular clusters has been conducted. Confidence limits are derived on the absolute V -band magnitude of the bump in the red giant branch luminosity function (MV,b) and the excess number of stars in the bump, Rb. The analysis takes into account uncertainties in the primord...

OBJECTIVES Inflammation of the retrocalcaneal bursa (RB) is a common clinical problem, particularly in professional athletes. RB inflammation is often treated with corticosteroid injections however a number of reports suggest an increased risk of Achilles tendon (AT) rupture. The aim of this cadaveric study was to describe the anatomical connections of the RB and to investigate whether it is po...

We report a new radiometric Rb–Sr age determination of 4.0370.04 Ga for high-Al basaltic clast 14321,1353, which is a Group B Apollo 14 high-Al basalt based on its whole-rock incompatible-traceelement chemistry. In addition, available literature Rb–Sr isotope data for Apollo 14 high-Al basalts were reprocessed using the same decay constant and data reduction protocol as used for sample 14321,13...