http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
치성각화낭과 법랑모세포종의 임상 및 방사선학적 감별진단
정호걸,이장렬,김기덕,박창서 大韓口腔顎顔面 放射線學會 2000 Imaging Science in Dentistry Vol.30 No.4
Purpose : To clarify the clinical and radiologic parameters that can be used to differentiate odontogenic keratocyst and ameloblastoma Materials and Methods : The records of 46 patients of ameloblastoma and 48 patients of odontogenic keratocyst at the Yonsei University Dental Hospital during the period of 1979 to 1995 were retrospectively reviewed. As a possible means for differentiating between the odontogenic keratocyst and ameloblastoma, the clinical parameters and the radiologic parameters were evaluated. Results : In the clinical parameters, there was no significant difference in age, sex, and sign and symptoms (p 〉 0.05). In the radiologic parameters, there was significant difference in site, shape of the lesion, and external root resorption of adjacent teeth (p 〈 0.05). Conclusion : The site, shape of the lesion, and external root resorption of adjacent teeth can be the parameters to differentiate odontogenic keratocyst and ameloblastoma, but a definite differentiation of these two lesions needs a more specialized imaging modality. (Korean J Oral Maxillofac Radiol 2000;30:249-254)
Jeong, Jin Young,Kim, Jang Mi,Rajesh, Ramanna Valmiki,Suresh, Sekar,Jang, Gul Won,Lee, Kyung-Tai,Kim, Tae Hun,Park, Mina,Jeong, Hak Jae,Kim, Kyung Woon,Cho, Yong Min,Lee, Hyun-Jeong The Korean Society of Animal Reproduction 2013 Reproductive & developmental biology Vol.37 No.4
Satellite cells were derived from muscular tissue in postnatal pig. Satellite cell is an important to growth and development in animal tissues or organs. However, the progress underlying induced differentiation is not clear. The aim of this study was to evaluate the morphologic and the transcriptome changes in porcine satellite cell (PSC) treated with insulin, rosiglitazone, or dexamethasone respectively. PSC was obtained from postnatal muscle tissue. In study 1, for study the effect of insulin and FBS on the differentiated satellite cells, cells were cultured at absence or presence of insulin treated with FBS. Total RNA was extracted for determining the expression levels of myogenic PAX3, PAX7, Myf5, MyoD, and myogenin genes by real-time PCR. Myogenic genes decreased expression levels of mRNA in treated with insulin. In study 2, in order to clarify the relationship between rosiglitazone and lipid in differentiated satellite cells, we further examined the effect of FBS on lipid accumulation in the presence or absence of the rosiglitazone and lipid. Significant differences were observed between rosiglitazone and lipid by FBS. The mRNA of FABP4 and $PPAR{\gamma}$ increased in rosiglitazone treatment. In study 3, we examined the effect of dexamethasone on osteogenic differentiation in PSC. The mRNA was increased osteoblasotgenic ALP and ON genes treated with dexamethasone in 2% FBS. Dexamethasone induces osteoblastogenesis in differentiated PSC. Taken together, in differentiated PSCs, FABP4 and $PPAR{\gamma}$ increased to rosiglitazone. Whereas, no differences to FBS and lipid. These results were not comparable with previous reports. Our results suggest that adipogenic, myogenic, and osteoblastogenic could be isolated from porcine skeletal muscle, and identify culture conditions which optimize proliferation and differentiation formation of PSC.
Jeong, Jin Young,Kim, Jang Mi,Rajesh, Ramanna Valmiki,Suresh, Sekar,Jang, Gul Won,Lee, Kyung-Tai,Kim, Tae Hun,Park, Mina,Jeong, Hak Jae,Kim, Kyung Woon,Cho, Yong Min,Lee, Hyun-Jeong The Korean Society of Animal Reproduction 2013 Reproductive & developmental biology Vol.37 No.4
Muscular satellite cell (SC), which is stem cell of postnatal pig, is an important for study of differentiation into adipogenesis, myogenesis, and osteoblastogenesis. In this study, we isolated and examined from pig muscle tissue to determine capacity in proliferate, differentiate, and expression of various genes. Porcine satellite cells (PSC) were isolated from semimembranosus (SM) muscles of 90~100 days old pigs according to standard conditions. The cell proliferation increased in multi-potent cell by Masson's, oil red O, and Alizarin red staining respectively. We performed the expression levels of differentiation related genes using real-time PCR. We found that the differentiation into adipocyte increased expression levels of both fatty acid binding protein 4 (FABP4) and peroxisome proliferator-activated receptor gamma ($PPAR{\gamma}$) genes (p<0.01). Myocyte increased the expression levels of the myosin heavy chain (MHC), myogenic factor 5 (Myf5), myogenic regulatory factor (MyoD), and Myogenic factor 4 (myogenin) (p<0.01). Osteoblast increased the expression levels of alkaline phosphatase (ALP) (p<0.01). Finally, porcine satellite cells were induced to differentiate towards adipogenic, myogenic, and osteoblastogenic lineages. Our results suggest that muscle satellite cell in porcine may influence cell fate. Understanding the progression of PSC may lead to improved strategies for augmenting meat quality.
Transcriptional Profiling of Differentially Expressed Genes in Porcine Satellite Cell
Jeong, Jin Young,Kim, Jang Mi,Rajesh, Ramanna Valmiki,Suresh, Sekar,Jang, Gul Won,Lee, Kyung-Tai,Kim, Tae Hun,Park, Mina,Jeong, Hak Jae,Kim, Kyung Woon,Cho, Yong Min,Lee, Hyun-Jeong The Korean Society of Animal Reproduction 2013 Reproductive & developmental biology Vol.37 No.4
Muscle satellite cell (SC) is responsible for postnatal muscle growth, repair, and regeneration. Satellite cell is an important source of multi-potent stem cell process and differentiation into adipogenic, myogenic, and osteoblastogenic. The objective of this study was to identify alter of transcriptome during differentiation in porcine satellite cell and to elevated transcriptome at different stages of postnatal development to gain insight into the differences in differentiated PSC. We used RNA-seq technique to investigate the transcriptomes during differentiation in pig muscle. Sequence reads were obtained from Illumina HiSeq2000. Differentially expressed genes (DEG) were detected by EdgeR. Gene ontology (GO) terms are powerful tool for unification among representation genes or products. In study of GO biological terms, functional annotation clustering involved in cell cycle, apoptosis, extracellular matrix, phosphorylation, proteolysis, and cell signaling in differences stage. Taken together, these results would be contributed to a better understanding of muscle biology and processes underlying differentiation. Our results suggest that the source of DEGs could be better understanding of the mechanism of muscle differentiation and transdifferentiation.
Transcriptional Profiling of Differentially Expressed Genes in Porcine Satellite Cell
Jin Young Jeong,Jang Mi Kim,Ramanna Valmiki Rajesh,Sekar Suresh,Gul Won Jang,Kyung-Tai Lee,Tae Hun Kim,Mina Park,Hak Jae Jeong,Kyung Woon Kim,Yong Min Cho,Hyun-Jeong Lee 한국동물번식학회 2013 Reproductive & developmental biology Vol.37 No.4
Gene Expression Profiling in Hepatic Tissue of two Pig Breeds
Gul Won Jang,Kyung Tai Lee,Jong Eun Park,Hee Bal Kim,Tae Hun Kim,Bong Hwan Choi,Myung Jick Kim,Da Jeong Lim 한국동물자원과학회 2012 한국축산학회지 Vol.54 No.6
Microarray analyses provide information that can be used to enhance the efficiency of livestock production. For example, microarray profiling can potentially identify the biological processes responsible for the phenotypic characteristics of porcine liver. We performed transcriptome profiling to identify differentially expressed genes(DEGs) in liver of pigs from two breeds, the Korean native pigs(KNP) and Yorkshire pigs. We correctly identified expected DEGs using factor analysis for robust microarray summarization(FARMS) and robust multi-array average(RMA) strategies. We identified 366 DEGs in liver(p<0.05, fold- change>2). We also performed functional analyses, including gene ontology and molecular network analyses. In addition, we identified the regulatory relationship between DEGs and their transcription factors using in silico and qRT-PCR analysis. Our findings suggest that DEGs and their transcription factors may have a potential role in adipogenesis and/or lipid deposition in liver tissues of two pig breeds.
Long Life-Time Amorphous-InGaZnO TFT-Based Shift Register Using a Reset Clock Signal
Hoon Jeong,Byung Kook Choi,Hoon-Ju Chung,Sang Gul Lee,Yong Min Ha,Jin Jang IEEE 2014 IEEE electron device letters Vol.35 No.8
<P>We report a long life-time shift register (SR) made of amorphous-indium-gallium-zinc-oxide (a-IGZO) thin-film transistors (TFTs). The life-time of an SR is determined by the stability of the pull-down TFT, which is always under positive bias stress (PBS). To compensate for the nonrecovering characteristic of a-IGZO TFTs, the gate ON time of the pull-down TFT is reduced from 50% to 5% duty ratio by introducing a reset clock signal. By fitting the TFT's PBS-induced threshold voltage shifts to stretched exponentials, the life-time of the SR is estimated to increase from 1.7 to 17.5 years, owing to the reset clock signal with short-term duty.</P>