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Proteomics of ionic stresses in rice: An overview
Kim, Sang-Gon,Wang, Yiming,Huh, Hyun-Hye,Kim, Yong-Chul,Choi, In-Soo,Agrawal, Ganesh Kumar,Rakwal, Randeep,Kang, Kyu-Young,Kim, Sun-Tae The Korean Society of Plant Biotechnology 2011 식물생명공학회지 Vol.38 No.2
Ions deficiency or excess remains one of the critical ground level environmental problems, affecting crop productivity. In this overview, we will discuss an increased application of proteomics technology in addressing this issue using rice (Oryza sativa L.) as a model crop plant. Proteomics analyses have revealed that rice proteome undergoes changes in the proteins composition and expression in response to several ionic stresses, including mineral nutrients (aluminum, nitrogen, and phosphorous) and heavy metals (arsenic, cadmium, and copper). Developed inventory of responsive proteins and their correlation with changes in physiological symptoms and parameters are a major step forward in: (i) better understanding the underlying mechanisms of ionic stresses-triggered responses in rice; (ii) comparative proteomics studies; and (iii) designing a novel strategy to improve crop plants.
Dynamic Evolution of tRNA(Thr)-Derived HpaI SINEs and Effect on Genomes of Oncorhynchus Species
Jae Won Huh,Dae Soo Kim,Yu Na Noh,Sang Je Park,Hong Seok Ha,Choong Gon Kim,Youn Ho Lee,Chang Keun Kang,Kyu Tae Chang,Heui Soo Kim 한국유전학회 2009 Genes & Genomics Vol.31 No.3
Short interspersed nuclear elements (SINEs) are the most abundant non-autonomous retroelements in many vertebrate genomes. The events that led to their integration may have had marked effects on the evolution of host genomes. One well-investigated SINE lineage is in the pacific salmon (genus Oncorhynchus). Experimental approaches and bioinformatics have been used to investigate the dynamic features and evolutionary impact of these SINEs. Four gene-related HpaI SINEs in the CD4L-2a, NOS, MHC and IL1B genes were identified by bioinformatics tool. To investigate these SINEs, PCR amplification and sequencing were performed on eight species of the genus Oncorhynchus and one of Salmo. Unexpectedly, the CD4L-2a, MHC and IL-1B gene loci proved to be dimorphic for the HpaI SINE insertion; this may be attributable to lineage sorting. Sequence transduction and horizontal transmission events also occurred in CD4L-2a. To elucidate the impact of HpaI SINEs on pacific salmon genomes and the diversity of transcriptomes, 243,668 mRNA sequences from the GenBank database were analyzed. A total of 163 mRNA sequences were identified as fused with HpaI SINEs. Among these, 87 ESTs were annotated into 41 functional genes. Our data suggest that SINEs could contribute to the genomic diversity of the pacific salmon by exonization and could move more dynamically within this genome by lineage sorting, sequence transduction and horizontal transmission.
Uric acid is a useful marker to differentiate between responsive and refractory status epilepticus
Choi, Jun Young,Hong, Ji Man,Kim, Tae Joon,Kim, Byung Gon,Huh, Kyoon Van Gorcum 2019 Clinical neurology and neurosurgery Vol.184 No.-
<P><B>Abstract</B></P> <P><B>Objectives</B></P> <P>Early recognition of refractory status epilepticus (RSE) is essential to select an appropriate treatment strategy and is closely associated with the outcome. Only few studies of RSE biomarkers exist; hence, we investigated the serum levels of uric acid (UA), albumin, and C-reactive protein (CRP) as potential serologic biomarkers for RSE.</P> <P><B>Patients and Methods</B></P> <P>Consecutive status epilepticus (SE) patients who had serial conventional blood tests in a referral hospital over a period of 10 years were retrospectively analyzed. Patients with anoxic encephalopathy, renal failure, acute stroke, and myocardial infarction were excluded. RSE was defined as seizure continuing after the first- and second-line treatments. We also assessed SE severity in all included patients using the Status Epilepticus Severity Score (STESS). General demographics and blood test findings were compared between responsive SE and RSE patients.</P> <P><B>Results</B></P> <P>A total of 141 patients (99 responsive and 42 refractory) were recruited from our SE registry. Compared to responsive patients, patients with RSE showed a higher STESS, lower initial albumin levels, lower initial UA levels, lower follow-up UA levels, and greater reduction of UA levels. The RSE group more frequently had acute symptomatic etiology, showed longer hospitalization, and had poorer functional outcomes compared to the responsive-SE group. All evaluated UA level parameters exhibited significant areas under the curve in receiver operating characteristic analyses, predictive of RSE. Initial UA levels, as well as changes therein, were significantly associated with RSE in multivariate logistic regression analysis.</P> <P><B>Conclusion</B></P> <P>UA levels at initial and follow-up evaluations, and changes therein differentiated responsive SE and RSE, demonstrating the feasibility of UA serum levels as a biomarker for RSE.</P> <P><B>Highlights</B></P> <P> <UL> <LI> RSE patients showed lower UA levels and greater reduction of UA levels. </LI> <LI> Serum UA levels had larger AUC than other clinical and serological markers for RSE. </LI> <LI> Initial UA levels and reductions of UA were significantly associated with RSE. </LI> <LI> STESS and albumin were significantly associated with functional outcome but not RSE. </LI> </UL> </P>
골격성 제3급 부정교합자의 양악 수술 후 상기도 공간의 변화에 관한 두부 계측 방사선학적 연구
주범기,김진태,조명철,허종기,김형곤,박광호,Joo, Bum-Ki,Kim, Jin-Tae,Cho, Myung-Chul,Huh, Jong-Ki,Kim, Hyung-Gon,Park, Kwang-Ho 대한악안면성형재건외과학회 2007 Maxillofacial Plastic Reconstructive Surgery Vol.29 No.2
Purpose: The aim of this study is the changes of upper respiratory airway space in patients with mandibular prognathism after 2-jaw orthognathic surgery in patients with skeletal classs III malocclusion. Method: We measured the lines between selected upper airway landmarks on lateral cephalometric x-ray films of skeletal class III 64 persons who had not been operated yet, were 6 months after operation. The test subjects were divided into 3 groups according to maxillary movement, as follows; maxillary advancement (MA) group, maxillary posterior impaction (MPI) group, maxillary posterior impaction and superior repositioning (MPI+MSR) group. Result: In this study, nasopharyngeal airway space in MPI+MSR group was significantly increased after operation (p<0.05). Oropharygeal and hypopharyngeal airway space in MA group and MPI group were significantly decreased after operation (p<0.05). From hyoid bone to anterior mandible point distance in MA group and MPI group were significantly decreased after operation (p<0.05). Conclusion: Oropharygeal and hypopharyngeal airway space were influenced more by mandibular set-back than maxillary movement. Maxillary movement surgery as well as mandibular setback surgery should be taken into consideration in order to minimize symptoms related to obstructive sleep apnea syndrome after operation.
조명철,허종기,홍순원,김진태,전국진,김형곤,Cho, Myung-Chul,Huh, Jong-Ki,Hong, Soon-Won,Kim, Jin-Tae,Jeon, Kug-Jin,Kim, Hyung-Gon 대한악안면성형재건외과학회 2008 Maxillofacial Plastic Reconstructive Surgery Vol.30 No.3
활액낭은 측두하악관절에 매우 드물게 나타나는 질환으로 본 증례는 개구제한을 주소로 내원하여 측두하악관절장애로 의심하고 자기공명 영상검사를 시행하였다. T2강조영상에서 좌측 측두하악관절강내에 다량의 활액이 관찰되었으나 전형적인 활액막 연골종증과 달리 상하관절강내의 활액이 격벽에 의해 분리되어 있었으며 수술시 낭성 병변이 관찰되었다. 조직학적으로 낭주위가 활액세포로 이장되어 있는 진성낭이었으며 낭벽내에 신생혈관 및 염증세포의 침윤이 관찰되어 염증성 활액낭으로 최종 진단하였다. 이 증례는 특징적인 자기공명영상소견을 나타내었지만 타 질환과 감별에 많은 어려움이 있었다. 치료는 병소의 적출을 시행하였으며 추적관찰기간 동안 재발은 보이지 않았다. Temporomandibular joint cysts usually occur between the second and fourth decade of life. There is a female predominance to male of approximately 3 to 1. The patients complain of swelling, pain and sometimes decreased mouth opening. Synovial cysts of the temporomandibular joint seem to develop by an increase of intraarticular pressure due to trauma or inflammation which causes capsular herniation. However, if inflammatory synovial cysts develop by an increase of synovial fluid into inflammation tissue in the capsule without capsular herniation, a differential diagnosis should include synovial chondromatosis and synovitis. This is a case report of a synovial cyst developed in a capsule of the temporomandibular joint.