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加熱한 牛肉의 部位別 아미노酸 組成과 그 蛋白質의 品質評價
權貞淑,李惠成 慶北大學校 産業開發硏究所 1984 硏究報告 Vol.12 No.-
This study was conducted to analyze the amino acid composition and available lysine and to evaluate the protein quality of several parts of the cooked beef. The parts of beef used were foreshank, ox-tail and ox-stomach. Raw samples were prepared by Korean meat soup cooking method and freeze drying and amino acid composition and available lysine were measured. Protein quality was evaluated from chemical score, biological value and available lysine content of each sample. The main findings of this study will be summarized as follows: Overall distribution of amino acids in different parts of beef were almost the same. Generally, samples contained large amount of Glycine, Glutamic acid,Aspartic acid and small amount of Tryptophane, Methionine and Histidine. It was shown that foreshank part contained the highest amount of total essential amino acids and ox-tail part had the least. Especially it was interesting to note that ox-tail part had high amount of Glycine, the major component amino acids of incomplete protein, collagen. It also has been found that some amino acid such as Tryptophane were fairly reduced by boiling in foreshank part. On the other hand, Arginine, Proline, Glycine, Alanine were increased. Chemical score and biological value of boiled ox-tail part were remarkbly low compared with other parts. Availability of lysine was high in the order of ox-tail>raw foreshank>ox-stomach. Total lysine and available lysine contents were reduced by boiling.
Hoa,Kwo Eh INSTITUTE OF TROPICAL MEDICINE YONSEI UNIVERSITY 1971 YONSEI REPORTS ON TROPICAL MEDICINE Vol.2 No.1
Paragonimid trematodes, the lung fluke of the mammals, are widely distributed throughout many parts of the world, and have long been recognized as one of the important and harmful parasite of man.
( Paul Kwo ),( Stefan Zeuzem ),( Steven L. Flamm ),( Myron Tong ),( John M Vierling ),( Stephen Pianko ),( Peter Buggisch ),( Victor de Lédinghen ),( Robert H. Hyland ),( Xiaoru Wu ),( Evguenia S. Sva 대한간학회 2017 춘·추계 학술대회 (KASL) Vol.2017 No.1
Aims: DAAs provide safe and highly efficacious therapies for HCV infection. However, the small proportion of patients who do not achieve a sustained virologic response with DAA-based regimens represent a population with an unmet medical need. Sofosbuvir(SOF) and velpatasvir(VEL) are pangenotypic inhibitors of the HCV NS5B and NS5A proteins, respectively, and voxilaprevir(VOX) is a pangenotypic HCV NS3/4A protease inhibitor. This study evaluates treatment with a SOF/VEL/VOX for 12weeks and a SOF/VEL for 12weeks as salvage regimens in DAA-experienced patients who had not previously received an NS5A inhibitor. Methods: Patients with genotypes 1-3 were randomized 1:1 to receive open-label SOF/VEL/VOX or SOF/VEL for 12weeks, stratified according to genotype and cirrhosis status. Patients of all other genotypes were assigned to receive SOF/VEL/VOX for 12weeks. DAA-experienced patients who previously were treated with an NS5A inhibitor or with only an NS3/4A protease inhibitor in combination with ribavirin and Peg-IFN were excluded. The primary endpoint evaluates the superiority of the SVR12 of each treatment to a prespecified goal of 85%. Results: Of the 333 patients who were randomized and treated, 77% were male, 19% had the IL28B CC genotype, 46% had compensated cirrhosis and 43% had genotype 1 infection. Most patients had prior DAA experience with either an NS5B inhibitor alone(73%) or an N5SB inhibitor and an NS3/4A protease inhibitor(25%); the most common prior treatment regimens were SOF with ribavirin ±Peg-IFN and SOF combined with simeprevir. Treatment was well tolerated.No SAE was assessed to be attributable to study drug. Overall, SVR12 was achieved in 97%(177/182) of patients treated with SOF/VEL/VOX and 90%(136/151) patients treated with SOF/VEL. SOF/VEL/VOX met the prespecified 85% SVR12 performance goal(p<0.001); SOF/VEL did not. Conclusions: SOF/VEL/VOX for 12 weeks provides a safe, well tolerated and effective retreatment options for patients who did not previously achieve SVR following treatment with non-NS5A inhibitor-containing DAA regimens.
The Optimization of Porcine Sperm Decondensation Procedure for Fluorescence In Situ Hybridization
Ki-Jin Kwo,Won-Ki Pang,Kyu-Ho Kang,Ki-Uk Kim,Sae-Han Kang,Dong-Ha Shin,Amena Khatun,Do-Yeal Ryu,Md Saidur Rahman,Myung-Geol Pang 한국동물생명공학회(구 한국동물번식학회) 2017 발생공학 국제심포지엄 및 학술대회 Vol.2017 No.10
Sperm decondensation must be accomplished before fluorescence in situ hybridization (FISH). However, the lack of studies were conducted to discover the optimal porcine sperm decondensation for improving efficiency of FISH. We therefore sought to investigate the proper conditions of porcine sperm decondensation for FISH. In this trial, semen samples were obtained from eleven boar and immediately washed. After washing, the suspension was smeared and fixed on slides. Air-dried slides were incubated at 37℃ for 0, 15, 30 and 45 min in a 5 mmol/L dithiothreitol (DTT) to cleave protamine disulfide bonds, and thus sperm head decondensation was occurred. Subsequently, slides were counter-stained with hoechst 33258 to measure several parameters of sperm head by using microscope. The area, perimeter, and length of sperm head were significantly increased after 30 min incubation. This result demonstrated that sperm head is effectively expanded, which is essential for sperm decondensation after 30 min incubation. Subsequently, the roundness of sperm head was significantly increased after 15 min incubation. This result showed that the circularity of sperm head, which is important for sperm head decondensation, is ideal after 15 min. Taken together, the incubation time of optimal sperm head decondensation could be 30 min to get better achievement for FISH.