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DNA methylation and mRNA expression of COL6A3 in antler mesenchyme of female and male reindeer
Jian‑Cheng Zhai,Ruo‑Bing Han,Sheng‑Nan Wang,Qiang‑Hui Wang,Yan‑Ling Xia,Wei‑Shi Liu,Ya‑Jie Yin,He‑Ping Li 한국유전학회 2019 Genes & Genomics Vol.41 No.9
Backgroud Reindeer is the only deer species that both male and female produce antlers, which provides a particularly interesting case in studying the differences between antlers of the two sexes. Alpha 3(VI) Collagen Gene (COL6A3), forms a microfibrillar network associated with the structural integrity and biomechanical properties, has been found to be one of the differentially expressed genes in antler mesenchyme of female and male reindeer. Objective and Methods The promoter sequence of reindeer COL6A3 gene was obtained using the cloning technology and analyzed by the bioinformatics methods. Bisulfite sequencing PCR (BSP) was used to detect the methylation status of the COL6A3 promoter in reindeer antler mesenchyme. Real-time quantitative PCR was used to detect COL6A3 expression in the antler mesenchyme of female and male reindeer. Results Sequence analysis revealed that the reindeer COL6A3 partial promoter sequence was 983 bp including the possible promoter region at + 105 bp to + 155 bp. Homology and phylogenetic analysis indicated that the COL6A3 promoter of reindeer had the closest genetic distance with Bos taurus, Capra hircus and Ovis aries. BSP results indicated that the methylation level of COL6A3 promoter in the female reindeer antler mesenchyme was significantly higher than in the male. Correlating with increased methylation status, we also found that COL6A3 mRNA expression in female reindeer antler mesenchyme was significantly lower than in the male. Conclusion The higher methylation level of the COL6A3 gene in female reindeer antler mesenchyme coincides with decreased COL6A3 mRNA expression, thereby affecting the transposon silencing mechanism and possibly contributing to apparent differences of antlers in female and male reindeer.
Yin, Pei-Hao,Liu, Xuan,Qiu, Yan-Yan,Cai, Jian-Feng,Qin, Jian-Min,Zhu, Hui-Rong,Li, Qi Asian Pacific Journal of Cancer Prevention 2012 Asian Pacific journal of cancer prevention Vol.13 No.11
The induction of apoptosis in target cells is a key mechanism for most anti-tumor therapies. Bufalin is a cardiotonic steroid that has the potential to induce differentiation and apoptosis of tumor cells. Research on bufalin has so far mainly involved leukemia, prostate cancer, gastric cancer and liver cancer, and has been confined to in vitro studies. The bufadienolides bufalin and cinobufagin have been shown to induce apoptosis in a wide spectrum of cancer cell. The present article reviews the anticancer effects of bufalin. It induces apoptosis of lung cancer cells via the PI3K/Akt pathway and also suppressed the proliferation of human non-small cell lung cancer A549 cell line in a time and dose dependent manner. Bufalin, bufotalin and gamabufotalin, key bufadienolides, significantly sensitize human breast cancer cells with differing ER-alpha status to apoptosis induction by the TNF-related apoptosis-inducing ligand (TRAIL). In addition, bufadienolides induce prostate cancer cell apoptosis more significantly than that in breast epithelial cell lines. Similar effects have been observed with hepatocellular carcinoma (HCC) but the detailed molecular mechanisms of inducing apoptosis in this case are still unclear. Bufalin exerts profound effects on leukemia therapy in vitro. Results of multiple studies indicate that bufalin has marked anti-tumor activities through its ability to induce apoptosis. Large-scale randomized, double-blind, placebo or positive drug parallel controlled studies are now required to confirm the efficacy and apoptosis-inducing potential of bufalin in various cancers in the cliniucal setting.
Study on the Embedded SPC System Based on LAN
( Yin Jian Jun ),( Yu Zhong Hua ),( Wu Zhao Tong ) 한국품질경영학회 2003 The Asian Journal on Quality Vol.4 No.1
Statistical Process Control (SPC) is recognized as one of the most important tool of quality control (QC), and is one research focus in order to implement SPC quickly and effectively using computer technology and network environments. This paper proposes the principle and topology of embedded SPC based on the Internet/Intranet, emphatically discusses the embedded data sampling block, embedded network interface and SPC strategy. An example of application is given.
Bonded flake MoS2 solid lubricant coating: An effective protection against fretting wear
Jianing Yin,Han Yan,Meng Cai,Shijie Song,Xiaoqiang Fan,Minhao Zhu 한국공업화학회 2023 Journal of Industrial and Engineering Chemistry Vol.117 No.-
The multiple advantages of flake MoS2 are of great significance for improving the fretting wear resistanceof bonded solid lubricant coating. Herein, the coating was constructed with liquid-phase exfoliated flakeMoS2 as lubricating filler and epoxy resin as binder. The tangential fretting characteristics for the contactof AISI 52,100 steel ball against the as-prepared coating on the AISI 1045 steel were investigated underthree displacement amplitude. Results show that the average friction coefficient and wear rate of thecoating with flake MoS2 maximumly reduce by 45.5% and 89.8% than those with bulk MoS2. Moreover,the fretting regime is regulated by the coatings with different composition and performance. Such excellentanti-fretting features depend on: (a) the intrinsic shearing properties of flake MoS2; (b) the repairingeffect on the worn area; (c) the formation of uniform transfer film.
틱톡 같은 쇼트 비디오가 전통 동영상 산업에 미치는 충격과 영향
윤견(YIN JIAN) 한국엔터테인먼트산업학회 2022 한국엔터테인먼트산업학회 학술대회 논문집 Vol.2022 No.5
현대 사회에서 디지털의 급속 발전으로 인해 사람들의 생활 방식이 많이 변화하고 있다. 쇼트 비디오는 바로 이런 시대의 산물이다. 사람들은 바쁜 생활에서 틈틈이 쇼트 비디오를 시청하는 방식으로 점차 전통적인 영화 관람 방식을 대체하였다. 하지만 새로운 관람 형식이 생기는 동시에 존재하고 있는 문제점도 무시할 수는 없다. 어떻게 신구방식을 융합 할 수 있을 지가 우리에게 아주 중요하다. In contemporary society, the burgeoning development of the digital industry is leaving a great impact on people’s life style. Short video platform such as TikTok has thus become a major byproduct of the modern age of technology. As an outcome, watching TikTok videos in spare time has gradually replaced the traditional movie-going. Yet, problems that come along with this new method of viewing and entertaining cannot be neglected. Thus, a harmonious fusion of the innovational and the traditional becomes a critical issue for us media practitioners to consider.
음건봉(Yin Jian-Feng) 동아대학교 법학연구소 2009 東亞法學 Vol.- No.44
The year of 2009 coincided with the 60th anniversary of the founding of New China. At this important historical moment continuing with the past and opening up the future, whether it is the right time to pardonand how to execute it are significant practical issues involved in the development of national jutice and social progress. Considering the advances of a country and the development of social civilization, I believe putting pardon into effect can be an essential component of the grand celebrations as well as the parade ceremony at the time of the 60th anniversary of national founding. Sincethe specific scope of criminal offenders within amnesty, pardon not only can give full play to the inherent features of criminal policy, but also can highlight a great number of significant values of the times. So this paper will take the perspective of the form, substantive conditions, objects of the application, and the scope of implementation to put forward concrete conceptualization of execution of pardon, which is aiming at making proposals on promoting the development of national jutice.