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8. A bronchofiberoscopy-associated outbreak of multidrug-resistant Acinetobacter baumannii in an intensive care unit in Beijing, China

Author

Xia Yukun, Lu CuiLing, Zhao Jingya, Han Gaige, Chen Yong, Wang Fang, Yi Bin, Jiang Guoqin, Hu Xiaohua, Du Xianfeng, Wang Zheng, Lei Hong, Han Xuelin, and Han Li

Subjects
Outbreak, Bronchofiberscopy, Multidrug-resistant Acinetobacter baumannii, Infectious and parasitic diseases, RC109-216
Abstract

Abstract Background Bronchofiberscopy, a widely used procedure for the diagnosis of various pulmonary diseases within intensive care units, has a history of association with nosocomial infections. Between September and November 2009, an outbreak caused by multidrug-resistant Acinetobacter baumannii (MDR-Ab) was observed in the intensive care unit of a tertiary care hospital in Beijing, China. This study is aimed to describe the course and control of this outbreak and investigate the related risk factors. Methods Clinical and environmental sampling, genotyping with repetitive extragenic palindromic polymerase chain reaction (REP-PCR), and case–control risk factor analysis were performed in the current study. Results During the epidemic period, 12 patients were infected or colonized with MDR-Ab. Sixteen (72.7%) of twenty-two MDR-Ab isolates from the 12 patients and 22 (84.6%) of 26 MDR-Ab isolates from the bronchofiberscope and the healthcare-associated environment were clustered significantly into a major clone (outbreak MDR-Ab strain) by REP-PCR typing. Seven patients carrying the outbreak MDR-Ab strain were defined as the cases. Six of the seven cases (83%) received bronchofiberscopy versus four of the 19 controls (21%) (odds ratio, 22.5; 95% confidence interval, 2.07–244.84; P = 0.005). Several potential administrative and technical problems existed in bronchofiberscope reprocessing. Conclusions Bronchofiberscopy was associated with this MDR-Ab outbreak. Infection control precautions including appropriate bronchofiberscope reprocessing and environmental decontamination should be strengthened.

Published
2012
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10. Transcriptome Landscape of Human Folliculogenesis Reveals Oocyte and Granulosa Cell Interactions

Author

Zhang, Yaoyao, primary, Yan, Zhiqiang, additional, Qin, Qingyuan, additional, Nisenblat, Vicki, additional, Chang, Hsun-Ming, additional, Yu, Yang, additional, Wang, Tianren, additional, Lu, Cuiling, additional, Yang, Ming, additional, Yang, Shuo, additional, Yao, Ying, additional, Zhu, Xiaohui, additional, Xia, Xi, additional, Dang, Yujiao, additional, Ren, Yixin, additional, Yuan, Peng, additional, Li, Rong, additional, Liu, Ping, additional, Guo, Hongyan, additional, Han, Jinsong, additional, He, Haojie, additional, Zhang, Kun, additional, Wang, Yiting, additional, Wu, Yu, additional, Li, Meng, additional, Qiao, Jie, additional, Yan, Jie, additional, and Yan, Liying, additional

Published
2018
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13. Transcriptome analysis of PCOS arrested 2-cell embryos

Author

Lu, Cuiling, primary, Chi, Hongbin, additional, Wang, Yapeng, additional, Feng, Xue, additional, Wang, Lina, additional, Huang, Shuo, additional, Yan, Liying, additional, Lin, Shengli, additional, Liu, Ping, additional, and Qiao, Jie, additional

Published
2018
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14. Transcriptome Landscape of Human Oocytes and Granulosa Cells Throughout Folliculogenesis

Author

Zhang, Yaoyao, primary, Yan, Zhiqiang, additional, Qin, Qingyuan, additional, Nisenblat, Vicki, additional, Yu, Yang, additional, Wang, Tianren, additional, Lu, Cuiling, additional, Yang, Ming, additional, Yang, Shuo, additional, Yao, Ying, additional, Zhu, Xiaohui, additional, Xia, Xi, additional, Dang, Yujiao, additional, Ren, Yixin, additional, Yuan, Peng, additional, Li, Rong, additional, Liu, Ping, additional, Guo, Hongyan, additional, Han, Jinsong, additional, He, Haojie, additional, Wu, Yu, additional, Li, Meng, additional, Zhang, Kun, additional, Wang, Yiting, additional, Qiao, Jie, additional, Yan, Jie, additional, and Yan, Liying, additional

Published
2018
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19. Granulosa cell proliferation differentiation and its role in follicular development

Author

Hu Zhao-yuan, Liu Yixun, Yang Wei, and LU Cuiling

Subjects
endocrine system, Multidisciplinary, Cell growth, Granulosa cell, p38 mitogen-activated protein kinases, Ovary, Biology, Oocyte, Cell biology, medicine.anatomical_structure, Follicular phase, medicine, Signal transduction, Granulosa cell proliferation
Abstract

Granulosa cells (GCs) are the most important cells in the ovary that undergo serious changes morphologically and physiologically during the processes of follicular proliferation, differentiation, ovulation, lutenization and atresia. Oocyte (OC) directs GC proliferation and differentiation, while GCs influence OC maturation. Many ovarian factors are involved in the regulation of these processes via different molecular mechanisms and signal pathways. P38 MAPK can selectively regulate steroidogenesis in GCs controlled by FSH; Transcript factors LRH-1 and DAX-1 play an important role in this process; FSH induces GC proliferation and differentiation by stimulating PCNA and StAR expression and steroidogenesis. Activated ERK1/2 signal pathway may be involved in the FSH-regulated GC proliferation and differentiation. Therefore, GC is an ideal model for studying cell proliferation, differentiation and interaction, as well as signal transduction. This review briefly summarizes the latest data in the literature, including the results achieved in our laboratory.

Published
2005

20. Current perspectives on in vitromaturation and its effects on oocyte genetic and epigenetic profiles

Author

Lu, Cuiling, Zhang, Yaoyao, Zheng, Xiaoying, Song, Xueling, Yang, Rui, Yan, Jie, Feng, Huailiang, and Qiao, Jie

Abstract

In vitromaturation (IVM), the maturation in culture of immature oocytes, has been used in clinic for more than 20 years. Although IVM has the specific advantages of low cost and minor side effects over controlled ovarian stimulation, the prevalence of IVM is less than 1% of routine in vitrofertilization and embryo transfer techniques in many reproductive centers. In this review, we searched the MEDLINE database for all full texts and/or abstract articles published in English with content related to oocyte IVM mainly between 2000 and 2016. Many different aspects of the IVM method may influence oocyte potential, including priming, gonadotrophin, growth factors, and culture times. The culture conditions of IVM result in alterations in the oocyte or cumulus cell transcriptome that are not observed under in vivo culture conditions. Additionally, epigenetic modifications, such as DNA methylation or acetylation, are also different between in vitroand in vivocultured oocytes. In sum, current IVM technique is still not popular and requires more systematic and intensive research to improve its effects and applications. This review will help point our problems, supply evidence or clues for future improving IVM technique, thus assist patients for fertility treatment or preservation as an additional option.

Published
2018
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21. A bronchofiberoscopy-associated outbreak of multidrug-resistant Acinetobacter baumanniiin an intensive care unit in Beijing, China

Author

Xia, Yukun, primary, Lu, CuiLing, additional, Zhao, Jingya, additional, Han, Gaige, additional, Chen, Yong, additional, Wang, Fang, additional, Yi, Bin, additional, Jiang, Guoqin, additional, Hu, Xiaohua, additional, Du, Xianfeng, additional, Wang, Zheng, additional, Lei, Hong, additional, Han, Xuelin, additional, and Han, Li, additional

Published
2012
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26. Identification of Tip-burn of Six Chinese Cabbage Varieties at Seedling Stage.

Author

Zhang He, Lu Cuiling, Liu Guodong, Liu Weihong, and Song Xiaonan

Subjects
*CABBAGE diseases & pests, *CHINESE cabbage, *SEEDLINGS, *DISEASE incidence, *CALCIUM deficiency, *PLANTS
Abstract

[Objective] The paper was to discuss the incidence regularity of Chinese cabbage tip-burn. [Method] With five Chinese cabbage varieties bred by Zhengzhou Vegetable Research Institute and Beijing Xinsanhao as materials, the incidence regularity of tip-burn was studied using Chinese cabbage tip-burn identification method at seedling stage. [Result] The disease index of tip-burn generally increased with the prolongation of culture time, but all varieties successively reached high susceptibility state at 45 d of calcium deficiency culture, and the disease basically reached a stable state at 55 d. Zhengbai 65 showed the best resistance in calcium deficiency treatment, while Zhengbai 4 displayed the worst tolerance and was very sensitive to calcium deficiency, with poor buffering capacity. Zhengbai 80 performed good buffering capacity in the early stage of calcium deficiency, but with the prolongation of culture time, the incidence developed rapidly in late stage. Other varieties showed diiferent resistance and sensitivity, but they reached the stable incidence period almost at the same time point. [Conclusion] The results provided a reference for prevention and control of tip-burn. [ABSTRACT FROM AUTHOR]

Published
2016

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