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DEPDC1 is a novel cell cycle related gene that regulates mitotic progression
( Yan Mi ),( Chun Dong Zhang ),( You Quan Bu ),( Ying Zhang ),( Long Xia He ),( Hong Xia Li ),( Hui Fang Zhu ),( Yi Li ),( Yun Long Lei ),( Jiang Zhu ) 생화학분자생물학회(구 한국생화학분자생물학회) 2015 BMB Reports Vol.48 No.7
DEPDC1 is a recently identified novel tumor-related gene that is upregulated in several types of cancer and contributes to tumorigenesis. In this study, we have investigated the expression pattern and functional implications of DEPDC1 during cell cycle progression. Expression studies using synchronized cells demonstrated that DEPDC1 is highly expressed in the mitotic phase of the cell cycle. Immunofluorescence assays showed that DEPDC1 is predominantly localized in the nucleus during interphase and is redistributed into the whole cell upon nuclear membrane breakdown in metaphase. Subsequently, siRNA-mediated knockdown of DEPDC1 caused a significant mitotic arrest. Moreover, knockdown of DEPDC1 resulted in remarkable mitotic defects such as abnormal multiple nuclei and multipolar spindle structures accompanied by the upregulation of the A20 gene as well as several cell cycle-related genes such as CCNB1 and CCNB2. Taken together, our current observations strongly suggest that this novel cancerous gene, DEPDC1, plays a pivotal role in the regulation of proper mitotic progression. [BMB Reports 2015; 48(7): 413-418]
FBXL14 abolishes breast cancer progression by targeting CDCP1 for proteasomal degradation
Cui, Yan-Hong,Kim, Hyeonmi,Lee, Minyoung,Yi, Joo Mi,Kim, Rae-Kwon,Uddin, Nizam,Yoo, Ki-Chun,Kang, Jae Hyeok,Choi, Mi-Young,Cha, Hyuk-Jin,Kwon, Ok-Seon,Bae, In-Hwa,Kim, Min-Jung,Kaushik, Neha,Lee, Su-J Nature Publishing Group 2018 Oncogene Vol. No.
POYARKOV, JR., NIKOLAY A.,CHE, JING,MIN, MI-SOOK,KURO-O, MASAKI,YAN, FANG,LI, CHENG,IIZUKA, KOJI,VIEITES, DAVID R. Magnolia Press 2012 Zootaxa Vol.3465 No.1
<P>We describe four new species of Asian Clawed salamanders of the genus Onychodactylus (Caudata: Hynobiidae), basedon fresh material collected during fieldwork in Japan, Korea, the Russian Far East and northeastern China between 2003and 2010, as well as older voucher specimens deposited in several museums. Our analyses comprise all species currentlyrecognized within this genus across its entire distribution range. We follow an integrative taxonomic approach bycombining detailed morphological comparative analyses with molecular phylogenetic analyses. We find significantdifferences among species in this genus, based on morphological and molecular data, which resulted in the recognitionand description of four new species within this genus. The new species have uncorrected molecular divergences of over4.5-7.4% and 1.9-4.1% to their closest relatives in the mitochondrial COI and 16S rRNA genes respectively. In themolecular analyses, we found two very divergent lineages in Korea and Japan that need further investigation, as detailedmorphological data are not available for them. We also discuss our approach to delimit species on salamanders. For thenew species described in this group we evaluate their threat status according to IUCN criteria: O. koreanus sp. nov. Min,Poyarkov & Vieites and O. nipponoborealis sp. nov. Kuro-o, Poyarkov & Vieites are classified as Least Concern, whileO. zhaoermii sp. nov. Che, Poyarkov & Yan and O. zhangyapingi sp. nov. Che, Poyarkov, Li & Yan are classified as Vulnerable (Vu2a).</P>
Fermentation Characteristics for Extruded Hair of Tissue Cultured Mountain Ginseng
Yan-Qing Ji,Hye-Jin Yang,Jin Tie,Mi-Hwan Kim,Jae-Ghan Yang,Ki-Wha Chung,Gi-Hyung Ryu 한국식품영양과학회 2009 Preventive Nutrition and Food Science Vol.14 No.2
Effects of extrusion conditions (barrel temperature and moisture content) and fermentation time on the antioxidant properties of root hair of tissue cultured raw mountain ginseng (MG) were investigated. The barrel temperature/moisture combinations were: 110oC/25% (MG1), 140oC/25% (MG2), 110oC/35% (MG3) and 140oC/35% (MG4). Red ginseng (RG) was also investigated. The contents of 2,2-diphenyl-1-picrylhydrazyl (DPPH) and polyphenolic increased after fermentation in RG and even more in MG, while extruded ginseng samples exhibited little change. The increases noted with MG and RG occurred during the first 4 days of fermentation. DPPH radical scavenging activity decreased after extrusion and was significantly higher in MG (20.93%) than RG (1.63%) on the first day of fermentation. DPPH radical scavenging activity in the barrel temperature/moisture combinations were 19.01% (MG1), 14.45% (MG2), 20.37% (MG3) and 15.78% (MG4). The content of polyphenolic compounds in ginseng samples displayed a similar trend. Acidic polysaccharide in RG and MG1~MG4 were higher than MG, but decreased during fermentation. Crude saponin in RG and MG1~MG4 decreased after 15 days of fermentation, while increasing in MG.
Analyzing China’s Non-market Economy Status:
Yan Cai,Eun-Mi Kim 한국무역연구원 2016 무역연구 Vol.12 No.4
The Market Economy Status (MES) issue has come to the top of the international agenda, bringing heated discussions on whether or not China will soon be granted this status after December 11, 2016. Until 2014, there has been a total of 1052 Anti-Dumping (AD) investigations initiated against China, ranking it the first in the world. One of the reasons for this is that China is still treated as a Non-Market Economy (NME) by many other countries or politico-economic unions, represented by the United States (U.S.) and the European Union (EU). The U.S. and the EU reserve their own “market economy test” practice for goods from China, which allows the derogation from general price comparability methodology and in turn causes damaging effects to China. To address the problem of whether China should be treated as a Market Economy (ME) in AD investigations, this study tries to examine the ME indicators used both in Chinese domestic studies and foreign studies. Finally, by comparing and combing the U.S. and the EU scholars’ suggestions on what their government should do as the 2016 expiration date approaches, this study presents four scenarios that might unfold by the U.S. and the EU and the corresponding Chinese government alternatives
Effect of Black Ginseng on Memory Improvement in the Amnesic Mice Induced by Scopolamine
Mi-Ra Lee,Beom-Sik Yun,Lei Liu,Dong-Liang Zhang,Zhen Wang,Chun-Ling Wang,Li-Juan Gu,Chun-Yan Wang,Eun-Kyung Mo,Chang-keun Sung 고려인삼학회 2010 Journal of Ginseng Research Vol.34 No.1
This study compared the effects of black, white, and red ginseng extracts (WGE, RGE, BGE, 200 ㎎/㎏, p.o.) on learning and memory deficits associated with scopolamine treatment (SCOP, 2 ㎎/㎏, i.p.). Tacrine (THA, 10 ㎎/㎏, p.o.) was used as a positive control. Ginseng significantly reversed SCOP-induced memory impairment in the passiveavoidance test and also reduced escape latency in training trials of the Morris water maze test. The increased acetylcholinesterase (AChE) activity produced by SCOP was significantly inhibited by WGE and RGE (p<0.001). SCOP administration had no effect on choline acetyltransferase (ChAT) activity, but RGE and BGE significantly increased ChAT activity (p<0.05). SCOP administration increased oxidative damage in the brain. Treatment of amnesic mice with ginseng extracts decreased malondialdehyde (MDA) levels and restored superoxide dismutase (SOD) and catalase (CAT) activity to control levels. These results suggest that black ginseng enhances cognitive activity by regulation of cholinergic enzymes and antioxidant systems.
A Study on the Non-market Economic Treatment of WTO Trade Remedies: A Focus on Case Analysis
Yan Cai,Eun-Mi Kim 한국무역연구원 2017 무역연구 Vol.13 No.3
The early stages of the GATT focused on MEs and did not include rules related to NMEs. With the creation of the WTO in 1995 and the participation of NMEs in a multilateral trading system, the WTO became interested in different treatments between MEs and NMEs. However, the ambiguity of the WTO Agreement on NME treatment has been exploited as a tool of protectionism. Particularly, some powerful countries, such as the U.S. and the EU, have even enacted national laws that do not match the WTO to discriminate against NMEs and protect domestic industries. Through trade dispute analysis between the U.S. and China (DS379) and the EU and China (DS397), this study investigates whether the WTO fulfills its fair free trade obligations. If the WTO cannot solve the problem of discrepancy between multilateral agreements and domestic laws, free trade competition will be negatively affected by distorted resource allocation. In order to strengthen the legal status of the WTO and to avoid a global trade war, it is necessary to clarify NME issues on multilateral agreement tables such as the Doha Development Round. NMEs also need to focus on negotiating NME treatment rules and demonstrate diplomatic and political capabilities more than ever.