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( Yoon Suk Bak ),( Hye Ran Kang ),( Young Kwan Cho ),( Young Sook Park ),( Seong Hwan Kim ),( Yun Ju Jo ),( Byung Kwan Son ),( Sang Bong Ahn ) 대한내과학회 2014 대한내과학회 추계학술발표논문집 Vol.2014 No.1
Backgrounds: Primary intestinal lymphangiectasia (PIL) is a rare disease resulting by lymph leakage into the small bowel lumen. Less than 200 PIL cases have been reported globally after 1961. As lymphatic fi uid contains a lot of protein, fat, and lymphocytes, leakage of lymph will cause hypoproteinemia, hypoalbuminemia, hypogammaglobulinemia, and lymphocytopenia. 2 The most common symptoms of patients with PIL are intermittent diarrhea, nausea, and vomiting. Peripheral edema by protein-losing enteropathy, chylous ascites and chylous pleural effusion are often presented. 3 The diagnosis of PIL should exclude the secondary intestinal lymphangiectasia and be confi rmed by pathlogic fi nding from enteroscopic biopsy or surgical resection. Aims: Our purpose is to investigate the clinical characteristics of PIL, the process of distinguish the PIL from secondary intestinal lymphangiectasia and pathologic confi rmation from enteroscopic biopsy. Case report : A 73-year-old male was admitted for endoscopic submucosal dissection of gastric adenoma without any complaining symptom. In the contrast-enhanced abdominal CT, there are nodularity of inner layer with mucosal enhancement of gastric antrum, and large amount ascites without other clue of malignancy, pancreatitis or cirrhosis. In the peritoneal analysis, the fi uid was chylous ascites and negative result for infi ammation, infection and malignancy using neutrophil count, bacterial culture and cytology. By enteroscopic biopsy, lymphangiectasia was comfirmed. Based on these results, low-fat and medium-chain triglyceride diet started. Discussion : We presented a case of patient with chylous ascites accidentally detected. After exclusion of secondary cause, we confi rmed the PIL by enteroscopic biopsy. We reported a rare intestinal disease in adults.
Sang-Hoon Park,Mi-Ran Lee,Tae-Suk Kim,Sang-Ki Baek,Sang-Jin Jin,Jin-Wook Kim,Sang-Gon Jeon,Ho-Baek Yoon,Joon-Hee Lee 한국동물생명공학회(구 한국동물번식학회) 2014 Reproductive & developmental biology Vol.38 No.4
Differentiated nuclei can experimentally be returned to an undifferentiated embryonic status after nuclear transfer (NT) to unfertilized metaphase II (MII) oocytes. Nuclear reprogramming is triggered immediately after somatic cell nucleus transfer (SCNT) into recipient cytoplasm and this period is regarded as a key stage for optimizing reprogramming. In a recent study (Dai et al., 2010), use of m-carboxycinnamic acid bishydroxamide (CBHA) as a histone deacetylase inhibitor during the in vitro early culture of murine cloned embryos modifies the acetylation status of somatic nuclei and increases the developmental competence of SCNT embryos. Thus, we examined the effects of CBHA treatment on the in vitro preimplantation development of porcine SCNT embryos and on the acetylated status of histone H3K9 on cloned embryos at the zygote stage. We performed the three groups SCNT: SCNT (NT), CBHA treatment at the porcine fetus fibroblast cells (PFFs) used as donor cells prior to SCNT (CBHA-C) and CBHA treatment at the porcine SCNT embryos during the in vitro early culture after oocyte activation (CBHA-Z). The PFFs were treated with a 15 μM of CBHA (8 h) for the early culture and the porcine cloned embryos were treated with a 100 μM concentration of CBHA during the in vitro early culture (10 h). Cleavage rates and development to the blastocyst stage were assessed. No significant difference was observed the cleavage rate among the groups (82.6%, 76.4% and 82.2%, respectively). However, the development competence to the blastocyst stage was significantly increased in CBHA-Z embryos (22.7%) as compared to SCNT and CBHA-C embryos (8.6% and 4.1%)(p<0.05). Total cell numbers and viable cell numbers at the blastocyst stage of porcine SCNT embryos were increased in CBHA-Z embryos as compared to those in CBHA-C embryos (p<0.05). Signal level of histone acetylation (H3K9ac) at the zygote stage of SCNT was increased in CBHA-Z embryos as compared to SCNT and CBHA-C embryos. The results of the present study suggested that treatment with CBHA during the in vitro early culture (10 h) had significantly increased the developmental competence and histone acetylation level at the zygote stage.
( Sang Rae Moon ),( Sun Ran Cho ),( Jin Won Jeong ),( Young Ho Shin ),( Jeong Oh Yang ),( Ki Su Ahn ),( Chang Mann Yoon ),( Gil Hah Kim ) 한국응용생명화학회 2011 Applied Biological Chemistry (Appl Biol Chem) Vol.54 No.4
Attraction responses of plant essential oils were investigated, and the electrophysiological response to nymphs and adults of spot clothing wax cicada (Lycorma delicatula) was confirmed. Of the ten tested oils, only spearmint oil was found attractive. In dose responses of spearmint oil, second to fourth instar nymphs, as well as adults, were significantly attracted to a dose of 5 μL; for nymphs, fourth instar nymph showed greatest attraction response (90.9%), and second and third instar nymphs showed mild attraction. At a dose of 10 μL, fourth instar nymphs and adults were significantly attracted to spearmint oil. Only fourth instar nymphs were attracted to spearmint oil at 2.5 μL. After analyzing spearmint oil using gas chromatography (GC) and GC/mass spectrometry, carvone constituent was found as a significant attractant for both nymphs and adults, except for first instar nymphs. Limonene did not show any attraction response. All constituents mixed with each other appeared to have an additive effect. In electrophysiological response to spearmint oil, antennae of only fourth instar nymphs and female adults responded to carvone. Therefore, spearmint oil may be effective as an attractant for control of L. delicatula populations. In a field test, fourth nymphs and female adults were highly attracted to 20 μL of spearmint oil. This is the first report on attraction response of L. delicatula to spearmint oil in the laboratory and the field.
Sung-Ran Yoon,Gee-Dong Lee,Joong-Ho Kwon 한국식품과학회 2010 Food Science and Biotechnology Vol.19 No.1
This study was intended to roast freeze-dried ginseng in order to determine the effect of roasting conditions on major ginsenosides by monitoring their changes using response surface methodology. As the roasting temperature and time increased, the contents of ginsenoside Re, Rg1, Rf, Rb1, Rc, Rb2, and Rd tended to decrease but that of ginsenoside Rg3 increased, reaching the maximum content (0.96 mg/g) at 189.99℃ and 20.29min as compared to the initial value (0.01 mg/g). The total ginsenoside content was estimated to be increased from 4.30 to 5.19 mg/g at 140.17℃ and 27.51 min. It was found that the roasted ginseng has different ginsenoside compositions from raw ginseng. Therefore, further studies are needed to investigate the functional and biological properties of roasted ginseng as compared to the conventional white and red ginseng.
( Ran-hui Cha ),( Shin Wook Kang ),( Cheol Whee Park ),( Dae Ryong Cha ),( Ki Young Na ),( Sung Gyun Kim ),( Sun Ae Yoon ),( Sejoong Kim ),( Sang Youb Han ),( Jung Hwan Park ),( Jae Hyun Chang ),( Chu 대한신장학회 2017 Kidney Research and Clinical Practice Vol.36 No.1
Background: We investigated the long-term effect of AST-120, which has been proposed as a therapeutic option against renal disease progression, in patients with advanced chronic kidney disease (CKD). Methods: We performed post-hoc analysis with a per-protocol group of the K-STAR study (Kremezin study against renal disease progression in Korea) that randomized participants into an AST-120 and a control arm. Patients in the AST-120 arm were given 6 g of AST-120 in three divided doses, and those in both arms received standard conventional treatment. Results: The two arms did not differ significantly in the occurrence of composite primary outcomes (log-rank P = 0.41). For AST-120 patients with higher compliance, there were fewer composite primary outcomes: intermediate tertile hazard ratio (HR) 0.62, 95% confidence interval (CI) 0.38 to 1.01, P = 0.05; highest tertile HR 0.436, 95% CI 0.25 to 0.76, P = 0.003. The estimated glomerular filtration rate level was more stable in the AST-120 arm, especially in diabetic patients. At one year, the AST-120-induced decrease in the serum indoxyl sulfate concentration inversely correlated with the occurrence of composite primary outcomes: second tertile HR 1.59, 95% CI 0.82 to 3.07, P = 0.17; third tertile HR 2.11, 95% CI 1.07 to 4.17, P = 0.031. Furthermore, AST-120 showed a protective effect against the major cardiovascular adverse events (HR 0.51, 95% CI 0.26 to 0.99, P = 0.046). Conclusion: Long-term use of AST-120 has potential for renal protection, especially in diabetic patients, as well as cardiovascular benefits. Reduction of the serum indoxyl sulfate level may be used to identify patients who would benefit from AST-120 administration.
Sang-Il Suh,Won-Kyoung Yoon,Tae-Jun Kim,Ran Choi,Chang-baig Hyun 한국임상수의학회 2016 한국임상수의학회지 Vol.33 No.4
An 8 month-old male Maltese (weighing 2.0 kg) was referred with loud heart murmur at routine physicalexam in local animal clinic. Electrocardiogram found left ventricular hypertrophy pattern (4.5 mV R-wave). Diagnosticimaging studies revealed the elongation of left ventricle (LV) with classic triple bumps on the main pulmonary artery,aorta and left atrium on the ventrodorsal view of radiograph. Echocardiography revealed patent ductus arteriosus (PDA)duct and continuous turbulent shunt flow (maximal velocity 4.83 m/s) between the aorta and pulmonary artery withleft to right direction. The PDA in this dog was successfully closed through femoral vein (transvenous approach) usinga 5 mm Amplatz® Canine Duct Occluder. To the best of author’s knowledge, this is the first case of PDA occlusiontreated with Amplatz Canine Duct Occluder through femoral vein.
Sang-Ik Oh,Ha-Young Kim,Jae-Won Byun,Myungju Chae,Jong Ho Kim,Yu-Ran Lee,Bun Seung Jo,Ji-Sun Yoon,Jong Wan Kim 한국예방수의학회(구 한국수의공중보건학회) 2017 예방수의학회지 Vol.42 No.1
The seroprevalence of major infectious abortion agents was investigated in native Korean goats from Jeonnam province using ELISA. A total of 98 blood samples were collected from goats. Overall, 48 (49.0%), 11 (11.2%), and 1 (1.0%) serum samples tested positive for C. burnetii, T. gondii, and C. abortus, respectively, while none of the samples were positive for B. abortus or N. caninum. Moreover, a PCR assay conducted to detect C. burnetii antigens in goats with a history of abortion revealed 18 (38.3%) of 47 goats were C. burnetii positive by both the ELISA and PCR assay.