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Molecular and genomic features of <i>Mycobacterium bovis</i> strain 1595 isolated from Korean cattle
Kim, Narae,Jang, Yunho,Kim, Jin Kyoung,Ryoo, Soyoon,Kwon, Ka Hee,Kim, Miso,Kang, Shin Seok,Byeon, Hyeon Seop,Lee, Hee Soo,Lim, Young-Hee,Kim, Jae-Myung The Korean Society of Veterinary Science 2017 Journal of Veterinary Science Vol.18 No.-
<P>The aim of this study was to investigate the molecular characteristics and to conduct a comparative genomic analysis of <I>Mycobacterium</I> (<I>M.</I>) <I>bovis</I> strain 1595 isolated from a native Korean cow. Molecular typing showed that <I>M. bovis</I> 1595 has spoligotype SB0140 with mycobacterial interspersed repetitive units-variable number of tandem repeats typing of 4-2-5-3-2-7-5-5-4-3-4-3-4-3, representing the most common type of <I>M. bovis</I> in Korea. The complete genome sequence of strain 1595 was determined by single-molecule real-time technology, which showed a genome of 4351712 bp in size with a 65.64% G + C content and 4358 protein-coding genes. Comparative genomic analysis with the genomes of <I>Mycobacterium tuberculosis</I> complex strains revealed that all genomes are similar in size and G + C content. Phylogenetic analysis revealed all strains were within a 0.1% average nucleotide identity value, and MUMmer analysis illustrated that all genomes showed positive collinearity with strain 1595. A sequence comparison based on BLASTP analysis showed that <I>M. bovis</I> AF2122/97 was the strain with the greatest number of completely matched proteins to <I>M. bovis</I> 1595. This genome sequence analysis will serve as a valuable reference for improving understanding of the virulence and epidemiologic traits among <I>M. bovis</I> isolates in Korea.</P>
Kim, Yong-Min,Kim, Seungill,Koo, Namjin,Shin, Ah-Young,Yeom, Seon-In,Seo, Eunyoung,Park, Seong-Jin,Kang, Won-Hee,Kim, Myung-Shin,Park, Jieun,Jang, Insu,Kim, Pan-Gyu,Byeon, Iksu,Kim, Min-Seo,Choi, JinH Oxford University Press 2017 DNA research Vol.24 No.1
<P><B>Abstract</B></P><P><I>Hibiscus syriacus</I> (L.) (rose of Sharon) is one of the most widespread garden shrubs in the world. We report a draft of the <I>H. syriacus</I> genome comprised of a 1.75 Gb assembly that covers 92% of the genome with only 1.7% (33 Mb) gap sequences. Predicted gene modeling detected 87,603 genes, mostly supported by deep RNA sequencing data. To define gene family distribution among relatives of <I>H. syriacus</I>, orthologous gene sets containing 164,660 genes in 21,472 clusters were identified by OrthoMCL analysis of five plant species, including <I>H. syriacus</I>, <I>Arabidopsis thaliana, Gossypium raimondii, Theobroma cacao</I> and <I>Amborella trichopoda.</I> We inferred their evolutionary relationships based on divergence times among Malvaceae plant genes and found that gene families involved in flowering regulation and disease resistance were more highly divergent and expanded in <I>H. syriacus</I> than in its close relatives, <I>G. raimondii</I> (DD) and <I>T. cacao</I>. Clustered gene families and gene collinearity analysis revealed that two recent rounds of whole-genome duplication were followed by diploidization of the <I>H. syriacus</I> genome after speciation. Copy number variation and phylogenetic divergence indicates that WGDs and subsequent diploidization led to unequal duplication and deletion of flowering-related genes in <I>H. syriacus</I> and may affect its unique floral morphology.</P>
Kim, Jae Hak,Cheon, Jae Hee,Hong, Seong Soo,Eun, Chang Soo,Byeon, Jeong-Sik,Hong, Sung Yi,Kim, Bo-Young,Kwon, Soon-ho,Kim, Seung Won,Han, Dong Soo,Yang, Suk-Kyun,Kim, Won Ho Lippincott WilliamsWilkins, Inc. 2010 Journal of clinical gastroenterology Vol.44 No.10
BACKGROUND AND AIM: Myelotoxicity has been shown to be very common in Korean patients with inflammatory bowel disease (IBD) during azathioprine (AZA) or 6-mercaptopurine (6–MP) treatment. The purpose of this study was to investigate the relative risk of the thiopurine methyltransferase (TPMT) and inosine triphosphate pyrophosphatase (ITPA) genotypes and TPMT activity for the development of leukopenia in Korean IBD patients during AZA/6-MP treatment. METHODS: We retrospectively analyzed 286 Korean patients with IBD who had been treated with AZA/6-MP for at least 6 months between June 1996 and September 2006. Common TPMT mutations, including TPMT*1, *2, *3A, *3B, and *3C, and ITPA mutations, including 94C>A and IVS2+21A>C, were determined using a high-performance liquid chromatography method. TPMT activity was measured using liquid chromatography with coupled mass spectrometry/mass spectrometry. RESULTS: Leukopenia occurred in 118 cases (41.3%). TPMT *1/*3C was detected in 7 cases (2.4%), and ITPA 94 C>A was detected in 66 cases (23.1%), including 63 heterozygotes (22.1%) and 3 homozygotes (1.0%). The median TPMT activity was 9.3 U/mL (interquartile range 10.4, range 2.1 to 76.2). Cox regression analysis revealed that patients with heterozygous *3C type TPMT had a higher probability of leukopenia than those with wild type TPMT (P=0.02). Patients with intermediate TPMT activity had a lower probability of leukopenia than those with low activity (P=0.01). However, the ITPA genotype did not affect the risk of leukopenia. CONCLUSIONS: Our data showed that it could be helpful to examine TPMT genotypes and to measure TPMT activity in Korean patients taking AZA/6-MP to predict the development of leukopenia.
Kim, Ga Hee,Won, Ji Eun,Byeon, Yeongseon,Kim, Min Gi,Wi, Tae In,Lee, Jae Myeong,Park, Yun-Yong,Lee, Jeong-Won,Kang, Tae Heung,Jung, In Duk,Shin, Byung Cheol,Ahn, Hyung Jun,Lee, Young Joo,Sood, Anil K. TaylorFrancis 2018 DRUG DELIVERY Vol.25 No.1
<P><B>Abstract</B></P><P>Angiogenesis plays an essential role in the growth and metastasis of tumor cells, and the modulation of angiogenesis can be an effective approach for cancer therapy. We focused on silencing the angiogenic gene PLXDC1 as an important factor for anti-angiogenesis tumor therapy. Herein, we developed PLXDC1 small interfering siRNA (siRNA)-incorporated chitosan nanoparticle (CH-NP/siRNA) coated with hyaluronic acid (HA) to target the CD44 receptor on tumor endothelial cells. This study aimed to improve targeted delivery and enhance therapeutic efficacy for tumor anti-angiogenesis. The HA-CH-NP/siRNA was 200 ± 10 nm in size with a zeta potential of 26.4 mV. The loading efficiency of siRNA to the HA-CH-NP/siRNA was up to 60%. The selective binding of HA-CH-NP/siRNA to CD44-positive tumor endothelial cells increased by 2.1-fold compared with that of the CD44 nontargeted CH-NP/siRNA. PLXDC1 silencing by the HA-CH-NP/siRNA significantly inhibited tumor growth in A2780 tumor-bearing mice compared with that in the control group (<I>p</I> < .01), and mRNA expression of PLXDC1 was significantly reduced in the HA-CH-NP/siRNA-treated group. Furthermore, treatment with HA-CH-NP/siRNA resulted in significant inhibition of cell proliferation (<I>p</I> < .001), reduced microvessel density (<I>p</I> < .001), and increased cell apoptosis (<I>p</I> < .001). This study demonstrates that HA-CH-NP/siRNA is a highly selective delivery platform for siRNA, and has broad potential to be used in anti-angiogenesis tumor therapy.</P>
김지희(Kim, Jee-Hee),이제영(Lee, Jei-Young),김동옥(Kim, Dong-Ok),현혜진(Hyun, Hye-Jin),변도화(Byeon, Do-Hwa),노상균(Rho, Sang-Gyun),이정현(Lee, Jung-Hyun) 한국산학기술학회 2011 한국산학기술학회논문지 Vol.12 No.10
본 논문에서는 해당 실무자들이 본 소방공무원들의 주관성을 진단하고, 기능적인 측면에서 세부적인 유형적 효과요인들을 확인하여 향후 개선과 방향성을 알아보고자 한다. 이 논문에서는 소방공무원들, 즉 해당 실무자들의 주 관적 성향을 살펴보기 위해서 Q방법론을 이용하였다. 분석된 결과, 총 4가지의 유형, 즉, 제 1유형[(N=26) : 직업형 (Occupational Type)], 제 2유형[(N=11) : 경험형(Experience Type)], 제 3유형[(N=1) : 인간형(Human Type)], 제 4유형 [(N=2) : 정의형(Justice Type)] 등으로 분류되었다. 또한 QUANL 프로그램을 실시해 본 결과, 전체변량의 약 50(0.4972)% 를 보여줌으로써 높은 설명력을 보여주었다. 결과적으로, 앞으로 계량적인 실증적 연구와 소비자들의 의견을 종합한 비교와 대안책이 추가된다면, 소방공무원들의 주관성에 관한 보다 심도 있는 연구결과가 제시될 수 있을 것으로 예상 된다. 또한, 이러한 연구의 한계를 보완하는 후속연구가 지속적으로 진행되어지기를 기대한다. This study was carried out by practical method in a subjectivity study accessible in-depth, in sloughing off old habit of functional quantity analysis about a subjectivity of fire-public servant in nation. The perception pattern come out in this study were divided into four types in Q-methodology. The result is as follows ; it is divided into 1[(N=26) : Occupational Type], 2[(N=11) : Experience Type], 3[(N=1) : Human Type], 4[(N=2) : Justice Type]. There are four types of fire fighter images. In conclusion, this study is to ascertain acceptance behavior about Reception Type on a subjectivity of fire-public servant in nation ; to offer a developmental suggestion about it.