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Tissue- and stage-specific expression of a fatty acid binding protein-like gene from amphioxus Branchiostoma belcheri

100%

Wang Y. , Zhang Y. , Zhang S. , Tian J. , Jiang S.

tom 55

nr 1

A cDNA clone encoding an amphioxus fatty acid binding protein-like (AmphiFABPL) protein was isolated from a gut cDNA library of Branchiostoma belcheri. It contained a 423 bp open reading frame corresponding to a deduced protein of 140 amino acids with a predicted molecular mass of approximately 15.9 kDa. Phylogenetic analysis showed that AmphiFABPL fell outside the vertebrate clade of fatty acid binding proteins (FABPs), being positioned at the base of the chordate lineage, and was almost equally homologous to various vertebrate FABPs, suggesting that it may be the archetype of vertebrate FABPs. Both northern blotting and in situ hybridization analyses demonstrated that AmphiFABPL was expressed in the hepatic caecum and hind-gut, and although at a much lower level, it was also present in the endostyle, ovary and testis. In addition, whole-mount in situ hybridization revealed that AmphiFABPL was initially expressed in the posterior two thirds of the primitive gut, including the mid-gut where the hepatic caecum will form later, in 2-day larvae. The expression pattern is closely similar to that of the L-FABP and I-FABP genes in vertebrates, supporting the hypothesis that the hepatic caecum in the amphioxus is homologous to the vertebrate liver.

Effects of iletamine-zolazepam-xylazine-tramadol combination on biochemical and haematological parameters in cats

86%

Li L. , Dong J. , Lu D. , Jiang S. , Lin D. , Fan H.

nr 3

Cats were injected with 2.4 mg/kg of tiletamine-zolazepam, 0.36 mg/kg of xylazine, and 0.8 mg/kg of tramadol, then blood was collected from their peripheral veins at 0.5, 1, 4, 8, 24, 48, 72, and 168 h after the injection. Before injection, the same cats were used as control group (0 h). Biochemical and haematological parameters were measured. The results revealed that the combination of the compounds produced good immobilisation, with minimal changes over time in biochemical and haematological parameters, which were within biologically acceptable limits.

Influence of composition on the structure and properties of SrO-Sb2O3-P2O5 low-melting sealing glasses

86%

Nie H. , Zhang J. , Qi Y. , Wang Z. , Lin H. , Jiang S.

2015

tom Vol. 33, No. 4

862--866

SrO-Sb2O3-P2O5 glass system was prepared by high temperature melting method. The effects of Sb2O3 and P2O5 content on the structure, thermal behavior and chemical durability of the glasses were studied by infrared spectrometer, thermal dilatometer, differential thermal analyzer and constant temperature water bath heating. It can be concluded that the characteristic temperatures of the glasses increased firstly and then decreased with the increasing of Sb2O3 content, whereas the tendency of the coefficient of thermal expansion (CTE) varied inversely. The crystallization ability of the glasses was significantly increased and the water resistance was reduced for Sb2O3 content of 35 mol % and 40 mol %. The glasses with 20 mol %, 25 mol % and 30 mol % Sb2O3 showed better performance in every respect than the others and the glasses containing 25 mol % Sb2O3, characterized by the best performance, can be chosen as host glasses for further research.