Tam Quyet Dinh

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Populations of Apis mellifera and Apis cerana in China and Vietnam were surveyed in order to study possible pathogen spill-over from European to Asian honeybees. This is the first survey of the prevalence of honeybee pathogens in apiaries in Vietnam, including pathogen prevalence in wild A. cerana colonies never in contact with A. mellifera. The bee samples(More)
The chromogranins/secretogranins are a family of neuroendocrine vesicle secretory proteins. Immunohistology and immunoblotting have suggested that a major soluble protein in human chromaffin granules may be chromogranin B (CgB). We purified from pheochromocytoma chromaffin granules an SDS-PAGE 110-120 kDa protein whose N-terminal sequence matched that(More)
1. In postganglionic sympathetic neurones and adrenal chromaffin cells, catecholamines are co-stored in vesicles with soluble peptides, including chromogranin A (CgA) and neuropeptide Y (NPY), which are subject to exocytotic co-release with catecholamines. 2. Plasma catecholamine, CgA and NPY responses to stimulators and inhibitors of sympatho-adrenal(More)
BACKGROUND Despite the high risk of depression among Vietnamese refugees, there has been insufficient attention to the psychometric properties of the most utilized scale, the Vietnamese Depression Scale (VDS: Kinzie et al., 1982). AIM The primary aim of the study is to empirically derive the factorial structure of the VDS to support its use as a(More)
The ectoparasitic mite Varroa destructor is a major global threat to the Western honeybee Apis mellifera. This mite was originally a parasite of A. cerana in Asia but managed to spill over into colonies of A. mellifera which had been introduced to this continent for honey production. To date, only two almost clonal types of V. destructor from Korea and(More)
Although the structure of chromogranin A (CgA) is now known, its ultimate physiological role remains elusive. Recently, an interior fragment of CgA [CgA(124-143)], also called chromostatin, was reported to suppress catecholamine release from chromaffin cells in vitro. We therefore explored chromostatin's biological actions when administered in vivo to(More)
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