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Shen Xue Mei,Cui Hong Xiao,Xu Xiu Rong 아세아·태평양축산학회 2020 Animal Bioscience Vol.33 No.8
Objective: Lactobacilli in rabbit intestine is rare and its function in rabbit gut health is not fully understood. The present study aimed to evaluate in vivo the probiotic potential of Lactobacillus casei for suckling rabbits. Methods: Two healthy 5-day-old suckling rabbits with similar weights from each of 12 New Zealand White litters were selected and disturbed to control group and treatment group. All rabbits were artificially fed. The treatment group had been supplemented with live Lactobacillus casei in the milk from the beginning of the trial to 13 days of age. At 15 days of age, healthy paired rabbits were slaughtered to collect intestinal samples. Results: i) Oral administration of Lactobacillus casei significantly increased the proportion of Lactobacilli in the total intestinal bacteria (p<0.01) and obviously reduced that of Escherichia-Shigella (p<0.01); ii) treatment increased the length of vermiform appendix (p<0.05); iii) a higher percentage of degranulated paneth cells was observed in the duodenum and jejunum when rabbits administered with Lactobacillus casei (p<0.01); and iv) the expression of toll-like receptor 9, lysozyme (LYZ), and defensin-7-like (DEFEN) in the duodenum and jejunum was stimulated by supplemented Lactobacillus casei (p<0.05). Conclusion: Orally administered Lactobacillus casei could increase the abundance of intestinal Lactobacilli, decrease the relative abundance of intestinal Escherichia-Shigella, promote the growth of appendix vermiform, stimulate the degranulation of paneth cells and induce the expression of DEFEN and LYS. The results of the present study implied that Lactobacillus casei exhibited probiotic potential for suckling rabbits.
Two New Diterpenoid Alkaloids from Aconitum brachypodum
Shen, Yong,Zuo, Ai-Xue,Jiang, Zhi-Yong,Zhang, Xue-Mei,Wang, Hong-Ling,Chen, Ji-Jun Korean Chemical Society 2010 Bulletin of the Korean Chemical Society Vol.31 No.11
Two new diterpenoid alkaloids, N(19)-en-denudatine (1) and N(4)-butanone-flavaconitine (2), were isolated from Aconitum brachypodum Diels.. Their structures were elucidated by comprehensive spectroscopic analyses including UV, IR, MS, 1D- and 2D-NMR.
( Mei Rong Bai ),( Jun Ni ),( Su Qin Shen ),( Qiang Huang ),( Jia Xue Wu ),( Yi Chen Le ),( Long Yu ) 생화학분자생물학회(구 한국생화학분자생물학회) 2014 BMB Reports Vol.47 No.11
Aurora-A is a centrosome-localized serine/threonine kinase that is overexpressed in multiple human cancers. We previously reported an intramolecular inhibitory regulation of Aurora-A between its N-terminal regulatory domain (Nt, amino acids [aa] 1-128) and the C-terminal catalytic domain (Cd, aa 129-403). Here, we demonstrate that although both Aurora-A mutants (AurA-K250G and AurA-D294G/Y295G) lacked interactions between the Nt and Cd, they also failed to interact with Ajuba, an essential activator of Aurora-A, leading to loss of kinase activity. Additionally, overexpression of either of the mutants resulted in centrosome amplification and mitotic spindle formation defects. Both mutants were also able to cause G2/M arrest and apoptosis. These results indicate that both K250 and D294/Y295 are critical for direct interaction between Aurora-A and Ajuba and the function of the Aurora-A complex in cell cycle progression. [BMB Reports 2014; 47(11): 631-636]
New Triterpenoids from the Fruits of Schisandra wilsoniana and Their Biological Activities
Gao, Xue-Mei,Li, Yun-Qi,Shu, Li-Dan,Shen, Yan-Qiong,Yang, Li-Ying,Yang, Liu-Meng,Zheng, Yong-Tang,Sun, Han-Dong,Xiao, Wei-Lie,Hu, Qiu-Fen Korean Chemical Society 2013 Bulletin of the Korean Chemical Society Vol.34 No.3
Investigation of an organic extract of the fruits Schisandra wilsoniana led to the isolation of two new highly oxygenated nortriterpenoids, named schilancidilactones V-W (1-2). Their structures were elucidated by spectroscopic evidence. Compounds 1-2 feature a double bond between C-7 and C-8 compared with related known nortriterpenoids isolated from the genus Schisandra. Compounds 1 and 2 were tested for their anti-HIV-1 activities and cytotoxicity. The results revealed that compounds 1 and 2 showed moderate anti-HIV-1 activities with $EC_{50}$ 3.05 and 2.87 ${\mu}g/mL$, respectively, and compound 1 showed high cytotoxicity against KB and MDA-MB-231 cell with $IC_{50}$ values of 3.18 and 5.22 ${\mu}M$, respectively.
Two New Phenolic Glycosides from Curculigo orchioides
Ai-Xue Zuo,Yong Shen,Zhi-Yong Jiang,Xue-Mei Zhang,Jun Zhou,Jun Lü,Ji-Jun Chen 대한화학회 2011 Bulletin of the Korean Chemical Society Vol.32 No.3
Two new phenolic glycosides were isolated from the rhizomes of Curculigo orchioides Gaertn.. Based on comprehensive spectroscopic analyses including IR, MS, 1D- and 2D NMR (COSY, HSQC, and HMBC), their structures were elucidated as 3-hydroxyl-5-methyphenol-1-O-[β-D-glucopyranosyl-(1→3)-β-D-glucopyranoside (1) and 1',3'-dimethoxyl-4-hydroxyalangifolioside (2).
Two New Diterpenoid Alkaloids from Aconitum brachypodum
Yong Shen,Ai-Xue Zuo,Zhi-Yong Jiang,Xue-Mei Zhang,Hong-Ling Wang,Ji-Jun Chen 대한화학회 2010 Bulletin of the Korean Chemical Society Vol.31 No.11
Two new diterpenoid alkaloids, N(19)-en-denudatine (1) and N(4)-butanone-flavaconitine (2), were isolated from Aconitum brachypodum Diels.. Their structures were elucidated by comprehensive spectroscopic analyses including UV, IR, MS, 1D- and 2D-NMR.