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자연산 점몰개, Squalidus multimaculatus Hosoya et Jeon의 새인두흡충, Clinostomum complanatum (Rudolphi, 1814) 감염
박명애 ( Myoung Ae Park ),서정수 ( Jung Soo Seo ),정승희 ( Sung Hee Jung ),최희정 ( Hee Jung Choi ),전은지 ( Eun Ji Jeon ),지보영 ( Bo Young Jee ),이완옥 ( Wan-ok Lee ),우승호 ( Sung Ho Woo ),이은혜 ( Eun Hye Lee ) 한국어병학회 2011 한국어병학회지 Vol.24 No.2
The metacercariae of Clinostomum complanatum (Rudolphi, 1814) were isolated in the whole body muscle of wild freshwater fish, spotted barbel gudgeon (Squalidus multimaculatus Hosoya et Jeon) from the local river in Yeongdeok, Gyeongsangbuk-do, Korea. The infected fish with bumpy body surface by yellow grub showed erratic swimming behavior and some fish were died. The isolated excysted metacercariae were tongue shaped and 2.85~5.89 mm × 0.8~1.99 mm in size. 1~98 metacercariae were isolated in individual fish and mean infection intensity was 25. All examined adult spotted barbel gudgeon sizing 7 cm in body length were infected. This is the first report of disease outbreak and mortality caused by C. complanatum infection in wild freshwater fish in Korea.
김윤정,전은경,조병식,최수미,이석,민창기,신완식 대한감염학회 2008 감염과 화학요법 Vol.40 No.5
Hematopoietic stem cell transplantation (HSCT) can cause various complications involving lung, liver intestine and other organs, Chemotherapy, radiation therapy, and graft-versus-host disease (GVHD) may injure the cells in the intestinal mucosa of HSCT recipients. Pneumatosis cystoides intestinalis (PI) is a condition that presence of air in the bowel wall is demonstrated by radiologic or pathologic tests, It is one of the infrequent complications after HSCT and is associated with several medical and surgical conditions. However its pathogenesis and definite etiologic factors are still unknown. Here, we present a case of PI in a HSCT recipient, who was diagnosed of bronchiolitis obliterance accompanied with chronic GVHD and pulmonary disease caused by Mycobacterium abscessus.
Transient Blindness in a Patient with Severe Metformin-Associated Lactic Acidosis(MALA)
Jae Wan Jeon,Wonjung Choi,Hae Ri Kim,Young Rok Ham,Dae Eun Choi,Ki Ryang Na,Kang Wook Lee,Soo Ya Bae,Seong Hoon Kim 전해질고혈압연구회 2019 Electrolytes & Blood Pressure Vol.17 No.1
A 68-year-old man presented at the emergency room with sudden blindness. The day before, he had eaten sashimi and eel and drank alcohol for dinner. He experienced nausea, vomiting, and dizziness afterward. His medical his- tory included hypertension and diabetes, and the latter was treated with met- formin. Initial laboratory tests revealed severe metabolic acidosis(lactic aci- dosis). Massive hydration and intravenous sodium bicarbonate replacement therapies were initiated, but severe metabolic acidosis(lactic acidosis) did not resolve, in turn, leading to hemodialysis, which decreased metabolic aci- dosis. The patient’s blindness improved, and his vision gradually recovered. As it is not easy to distinguish between blindness related to metformin-asso- ciated lactic acidosis(MALA) and blindness related to other causes, rapid correction of metabolic acidosis through hemodialysis might be helpful in differentiating this from of blindness from blindness related to other causes.
Influences of Chronic Shoulder Pain on Muscle Tone Changes in Trunk Muscles
Hye Mi Jeon,Yoo Rim Choi,Si Eun Park,Ho Jung An,Sang Bin Lee,Wan Suk Choi,Nyeon Jun Kim,Hee Kyoung Kim,Mi Jung Kim,Soon Hee Kim 국제물리치료학회 2013 Journal of International Academy of Physical Ther Vol.4 No.1
The purpose of this study was to examine the influences of chronic shoulder pain on the muscle tone in trunk muscles. The study's subjects were 40 men and women in their 30 to 50s, which were divided into two groups. A chronic shoulder pain group consisted of 20 subjects who had been diagnosed with chronic shoulder pain by doctors, and a painless group consisted of 20 subjects who had experienced no such pain. An analysis was performed using electromyography on the muscle tone in the rectus abdominalis, external oblique, internal oblique, and erector spinae muscles under the same conditions between the two groups. The analysis results were as follows. The chronic shoulder pain group exhibited an overall high level of trunk muscle tone than the painless group, along with a statistically significant difference in the rectus abdominalis(p<.05). Moreover, the chronic shoulder pain group showed differences in the trunk muscle tone depending on the affected side. The chronic left shoulder pain group yielded higher levels of muscle tone in the right-side trunk muscles. In particular, the group revealed statistically significant differences in the rectus abdominalis and internal oblique(p<.05). The chronic right shoulder pain group exhibited higher levels of muscle tone in the left-side trunk muscles with a statistically significant difference in the internal oblique(p<.05). The above results suggested that chronic shoulder pain influences increases in the muscle tone in the trunk muscles on the opposite side to the affected shoulder.
Choi, Ahyoung,Bae, Jin-Woo,Cha, Chang-Jun,Chun, Jongsik,Im, Wan-Taek,Jahng, Kwang Yeop,Jeon, Che Ok,Joh, Kiseong,Kim, Seung Bum,Seong, Chi Nam,Yoon, Jung-Hoon,Cho, Jang-Cheon The National Institute of Biological Resources 2015 Journal of species research Vol.4 No.2
As a subset study to discover indigenous prokaryotic species in Korea, a total of 39 bacterial strains assigned to the classes Betaproteobacteria and Gammaproteobacteria were isolated from diverse environmental samples collected from soil, tidal flat, freshwater, seawater, seaweed, wetland, plant roots, guts of insects, and fermented foods. From the high 16S rRNA gene sequence similarity (>99.1%) and formation of a robust phylogenetic clade with the closest species, it was determined that each strain belonged to each independent and predefined bacterial species. There is no official report that these 39 species have been described in Korea; therefore 4 species of 4 genera in the order Burkholderiales and 1 species in the order Neisseriales within the class Betaproteobacteria, and 10 species of 6 genera in the order Alteromonadales, 11 species of 3 genera in the order Pseudomonadales, 4 species of 4 genera in the order Enterobacteriales, 2 species of 2 genera in the order Vibrionales, 1 species in the order Aeromonadales, 3 species of 3 genera in the order Oceanospirillales, 2 species of 2 genera in the order Xanthomonadales, and 1 species in the order Chromatiales within the Gammaproteobacteia are reported for proteobacterial species found in Korea. Gram reaction, colony and cell morphology, basic biochemical characteristics, isolation source, and strain IDs are also described in the species description section.
Jeon, Byeong Tak,Jeong, Eun Ae,Shin, Hyun Joo,Lee, Younghyurk,Lee, Dong Hoon,Kim, Hyun Joon,Kang, Sang Soo,Cho, Gyeong Jae,Choi, Wan Sung,Roh, Gu Seob American Diabetes Association 2012 Diabetes Vol.61 No.6
<P><B/></P><P>Obesity-induced diabetes is associated with chronic inflammation and is considered a risk factor for neurodegeneration. We tested the hypothesis that an AMP-activated protein kinase activator, resveratrol (RES), which is known to exert potent anti-inflammatory effects, would attenuate peripheral and central inflammation and improve memory deficit in mice fed a high-fat diet (HFD). C57BL/6J mice were fed an HFD or an HFD supplemented with RES for 20 weeks. Metabolic parameters in serum were evaluated, and Western blot analysis and immunohistochemistry in peripheral organs and brain were completed. We used the Morris water maze test to study the role of RES on memory function in HFD-treated mice. RES treatment reduced hepatic steatosis, macrophage infiltration, and insulin resistance in HFD-fed mice. In the hippocampus of HFD-fed mice, the protein levels of tumor necrosis factor-α and Iba-1 expression were reduced by RES treatment. Choline acetyltransferase was increased, and the phosphorylation of tau was decreased in the hippocampus of HFD-fed mice upon RES treatment. In particular, we found that RES significantly improved memory deficit in HFD-fed mice. These findings indicate that RES reverses obesity-related peripheral and central inflammation and metabolic derangements and improves memory deficit in HFD-fed diabetic mice.</P>
Choi, Woo-Seok,Jeon, Jae-Eon,Seo, Ki-Seog,Park, Jung-Eun,You, Gyou-Soo,Park, Wan-Gyu Elsevier 2011 Nuclear engineering and design Vol.241 No.3
<P><B>Research highlights</B></P><P>&z.rtrif; Demonstration drop test for a CANDU spent fuel storage basket in dry storage facility was performed. &z.rtrif; Leakage happened in the upper welding region of a loaded basket after drop test. &z.rtrif; Design revision based on the results of FE analyses and specimen tests was conducted. &z.rtrif; Revised basket satisfied all the requirements in additional demonstration test.</P> <P><B>Abstract</B></P><P>A dry interim storage facility has been constructed at the Wolsung power plant in Korea. This dry storage facility has seven separated modules. There are 40 long slender cylinders in one module. In one cylinder, ten baskets where sixty CANDU spent fuel bundles are loaded are stacked and stored. For this dry storage facility, analyses and tests for hypothetical accident conditions that might occur while moving and storing the baskets into a cylinder were performed. In a demonstration test, one of test basket models did not satisfy one of the safety-related requirements. Thus, the revised basket designs were generated using a structural evaluation based on finite element analyses and specimen tests. Among these revised designs, one design was chosen as a final revised basket design. The final revised design was the one creating the largest reduction of plastic strain in the upper welding region. It was also the one that required the smallest design change from the current basket design for easy adoption. Drop and leak tests were performed, and the final revised basket satisfied all performance requirements.</P>
Choi, Jung-Woo,Chung, Won-Hyong,Lee, Kyung-Tai,Cho, Eun-Seok,Lee, Si-Woo,Choi, Bong-Hwan,Lee, Sang-Heon,Lim, Wonjun,Lim, Dajeong,Lee, Yun-Gyeong,Hong, Joon-Ki,Kim, Doo-Wan,Jeon, Hyeon-Jeong,Kim, Jiwoo Oxford University Press 2015 DNA research Vol.22 No.4
<P>Pigs have been one of the most important sources of meat for humans, and their productivity has been substantially improved by recent strong selection. Here, we present whole-genome resequencing analyses of 55 pigs of five breeds representing Korean native pigs, wild boar and three European origin breeds. 1,673.1 Gb of sequence reads were mapped to the Swine reference assembly, covering ∼99.2% of the reference genome, at an average of ∼11.7-fold coverage. We detected 20,123,573 single-nucleotide polymorphisms (SNPs), of which 25.5% were novel. We extracted 35,458 of non-synonymous SNPs in 9,904 genes, which may contribute to traits of interest. The whole SNP sets were further used to access the population structures of the breeds, using multiple methodologies, including phylogenetic, similarity matrix, and population structure analysis. They showed clear population clusters with respect to each breed. Furthermore, we scanned the whole genomes to identify signatures of selection throughout the genome. The result revealed several promising loci that might underlie economically important traits in pigs, such as the <I>CLDN1</I> and <I>TWIST1</I> genes. These discoveries provide useful genomic information for further study of the discrete genetic mechanisms associated with economically important traits in pigs.</P>