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RISS 인기검색어
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- 저자 : Yan-ni Qi (검색결과 5 건)
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Functional Roles of Long Non-coding RNA in Human Breast Cancer
Ye, Ni,Wang, Bin,Quan, Zi-Fang,Cao, San-Jie,Wen, Xin-Tian,Huang, Yong,Huang, Xiao-Bo,Wu, Rui,Ma, Xiao-Ping,Yan, Qi-Gui Asian Pacific Journal of Cancer Prevention 2014 Asian Pacific journal of cancer prevention Vol.15 No.15
The discovery of long noncoding RNA (LncRNA) changes our view of transcriptional and posttranscriptional regulation of gene expression. With application of new research techniques such as high-throughput sequencing, the biological functions of LncRNAs are gradually becoming to be understood. Multiple studies have shown that LncRNAs serve as carcinogenic factors or tumor suppressors in breast cancer with abnormal expression, prompts the question of whether they have potential value in predicting the stages and survival rate of breast cancer patients, and also as therapeutic targets. Focusing on the latest research data, this review mainly summarizes the tumorigenic mechanisms of certain LncRNAs in breast cancer, in order to provide a theoretical basis for finding safer, more effective treatment of breast cancer at the LncRNA molecular level.
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Ye, Ni,Wang, Bin,Quan, Zi-Fang,Pan, Hai-Bo,Zhang, Man-Li,Yan, Qi-Gui Asian Pacific Journal of Cancer Prevention 2014 Asian Pacific journal of cancer prevention Vol.15 No.3
MicroRNA expression is a research focus in studies of tumors. This article concentrates attention on potential links between tumors caused by mouse mammary tumor virus (MMTV) and human breast cancer, in order to provide theoretical basis for using mouse model to search for miRNA effects mediated by Wnt/beta-catenin signaling in human breast cancer. By analyzing interactions between miRNAs and the Wnt/beta-catenin signaling pathway in breast cancer, we hope to casts light on more biological functions of miRNAs in the process of tumor formation and growth and to explore their potential value in cancer diagnosis, prognosis and treatment. Our endeavor aimed at providing theoretical basis for finding safer, more effective methods for treatment of human breast cancer at the miRNA molecular level.
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Chao Du,Ju-Hua Ni,Ya-Qiong Jin,Jun-Juan Qi,Zhen-Xing Ji,Shu-Yan Li,Guo-Shun An,Hong-Ti Jia 한국분자세포생물학회 2012 Molecules and cells Vol.34 No.2
MyoD and myogenin (Myog) recognize sets of distinct but overlapping target genes and play different roles in skeletal muscle differentiation. MyoD is sufficient for near-full expression of early targets, while Myog can only partially enhance expression of MyoD-initiated late muscle genes. However, the way in which Myog enhances the expression of MyoD-initiated late muscle genes remains unclear. Here, we examine the effects of Myog on chromatin remodeling at late muscle gene promoters and their activation within chromatin environment. Chromatin immunoprecipitation (ChIP) assay showed that Myog selectively bound to the regulatory sequences of late muscle genes. Overexpres-sion of Myog was found to overcome sodium butyrate-inhibited chromatin at late muscle genes in differ-entiating C2C12 myoblasts, shifting the transcriptional activation of these genes to an earlier time period. Furthermore, overexpression of Myog led to increased hyperacetylation of core histone H4 in differentiating C2C12 myoblasts but not NIH3T3 fibroblasts, and hyperacetylated H4 was associated directly with the late muscle genes in differentiating C2C12, indicating that Myog can induce chromatin remodeling in the presence of MyoD. In addition, co-immunopre-cipitation (CoIP) revealed that Myog was associated with the nuclear protein Brd4 in differentiating C2C12 myoblasts. Together, these results suggest that Myog enhances the expression of MyoD-initiated late muscle genes through MyoD-dependent ability of Myog to induce chromatin remodeling, in which Myog-Brd4 interaction may be involved.
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Qun-Ying Jin,Hua-Zheng Peng,Er-Pei Lin,Nan Li,Dan-Ni Huang,Yan-Li Xu,Xi-Qi Hua,Kui-Hong Wang,Tang-Jun Zhu 한국식물학회 2016 Journal of Plant Biology Vol.59 No.4
As one of the largest members of Poaceae family, bamboo is a very important agricultural plant in the world. The development of bamboo shoot is very special and particularly significant to bamboo production. Understanding the developmental differences between bamboo shoot and rhizome shoot is extremely valuable for us to further elucidate the mechanism of bamboo shoot formation since both bamboo shoot and rhizome shoot develop directly from rhizome bud underground. In this paper, miRNA chips with 413 miRNA probes were used to compare miRNA expressions between bamboo shoot and rhizome shoot. The experiment revealed 64 bamboo shoot upregulated and 56 rhizome shoot up-regulated miRNAs which were classified into four major categories according to deep sequencing based target prediction. Meristem and morphological development related miRNAs were most important in bamboo shoot, especially miR171 and miR156 members. While in rhizome shoot the mainstream of miRNA expressions was metabolism and nutrition related ones, especially miR395 members. The meristem and morphological development related miRNAs in bamboo shoot showed some embryonic characteristics and suggested the participation of several phytohormones like gibberellin, cytokinin and auxin, which were absent in those miRNAs of rhizome shoot. Further qRT-PCR detections of 21 up-regulated miRNAs in bamboo seedlings indicated that 12 ones were regulated to varying degrees by some environmental factors. Among them, rhizome shoot upregulated osa-miR395b was the most environment-sensitive miRNA, particularly to dehydration. And the bamboo shoot up-regulated osa-miR399j proved uniquely and strongly induced by phosphor. The existence of multiple regulation sites from same miRNA suggested the probability of crosstalks among meristem development, metabolism and stress response during bamboo shoot and rhizome shoot development.
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Yao-zhong Ding,Jian-hua Zhou,Li-na Ma,Yan-ni Qi,Gang Wei,Jie Zhang,Yong-guang Zhang 대한수의학회 2014 Journal of Veterinary Science Vol.15 No.3
A reverse transcription loop-mediated isothermalamplification (RT-LAMP) assay was developed to rapidlydetect foot-and-mouth disease virus serotype C (FMDV C). By testing 10-fold serial dilutions of FMDV C samples,sensitivity of the FMDV C RT-LAMP was found to be 10times higher than that of conventional reverse transcription-PCR (RT-PCR). No cross-reactivity with A, Asia 1, or OFMDV or swine vesicular disease virus (SVDV) indicatedthat FMDV C RT-LAMP may be an exciting novel method for detecting FMDV C.
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