Results on localization of growth hormone receptor (GHR), interaction of growth hormone (GH) with receptor in buffalo adipose tissue and identification of activated signaling molecules in the action of GH are presented. Bovine GH (bGH) was labeled with fluorescein or biotin. Fluorescein-labelled bGH was used for localization of GHRs in buffalo adipocytes. The receptors were present on the cell ...

RY Tau is a rapidly rotating Classical T Tauri star observed close to edge-on. The combination of new HST/STIS observations obtained in 2001 with HST/GHRS Archive data from 1993 has allowed us to get, for the first time, information on the thermal structure and the velocity law of the wind. The repeated observations of the Si III] and C III] lines show a lack of changes with time in the blue si...

The energy and nutrient demands of sexual maturation in salmonids requires a shift from somatic growth to gonadal development, although loss skeletal muscle can be avoided with adequate nutrition. How availability or ration affects the endocrine factor systems that integrate partitioning, metabolism, during is poorly understood. Primary objectives current study were determine how affect express...

Where are the hot ion lines in classical T Tauri stars formed ? ABSTRACT Context. Classical T Tauri stars (hereafter CTTS) show a plethora of in-and outflow signatures in a variety of wavelength bands. Aims. In order to constrain gas velocities and temperatures, we analyse the emission in the hot ion lines. Methods. We use all available archival FUSE spectra of CTTS to measure the widths, fluxe...

Recent GHRS observations of the Herbig Ae star AB Aur demonstrate the presence of N V in the wind of this star. This result reveals temperatures much higher than those previously considered for the wind of AB Aur. We show that homogeneous spherically symmetric models are unable to reproduce the available observations, including the C IV resonance lines in absorption and the absence of N IV emis...

We present time-resolved optical spectroscopy and broad-band photometry of the rapidly-rotating southern K0 dwarf star AB Doradus, obtained during 1994 November. The data were obtained as part of a collaboration dedicated to MUlti-SIte COntinuous Spectroscopy (MUSICOS), and entailed coordinated observations on three continents to obtain the fullest phase coverage possible subject to limitations...

This paper presents the study of the interstellar medium toward β CMa, a disk sight-line known for its low neutral gas density. This study uses high and medium resolution HST-GHRS spectra including lines from the following species : H i, D i, N i, O i, S ii, S iii, Si ii, Si iii, Si iv, Al ii, Al iii, Fe ii, Mg i, Mg ii, Mn ii, C ii and C iv. The line of sight to β CMa (153 pc) is dominated by ...

hormonal and metabolic factors, including blood glucose levels, exercise, sex hormones, glucocorticoids and thyroid hormone. At the cellular level, the pleiotropic action of GH is elicited by its interaction with the GH receptor (GHR). GHR belongs to class I cytokine receptor superfamily that includes receptors for PRL, leptin and interleukins. The predicted molecular mass of GHR is ~70 kDa. An...

We have obtained spectra of three QSO/AGNs with the GHRS aboard the Hubble Space Telescope to search for absorption from low column density gas in the halo of the dwarf spheroidal (dSph) galaxy Leo I. The probe sightlines pass 2.1, 3.7, and 8.1 kpc from the center of the galaxy, but no C IV, Si II, or Si IV absorption is found at the velocity of Leo I. We suggest that the column density of hydr...

Growth hormone (GH) regulates numerous cellular functions in many different tissues. A common receptor is believed to mediate these tissue-specific effects, suggesting that post-receptor signalling molecules or tissue sensitivity to GH may differ between tissues. Tissue sensitivity depends upon the abundance of GH receptors (GHRs), thus tissue-specific GHR regulation could enable tissue-specifi...