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김장묵,김대식,백승혁,한동렬,김희중,백병준,오천환 순천향의학연구소 2000 Journal of Soonchunhyang Medical Science Vol.6 No.2
Background and Objectives : Branchial cleft anomalies are encountered rarely in clinical practice. We reviewed medical records of branchial cleft anomalies according to age and sex distribution, site distribution, characteristics of mass on physical examination, location of mass, preoperative diagnosis, type of branchial cleft cyst and report our experience with 25 cases of branchial cleft anomalies. Materials and Methods : A review of medical records was performed on 25 cases of branchial cleft anomalies diagnosed in pathologic report from January, 1990 to March, 2000. Result : Sex distribution was 11 male and 14 female, age distribution was most common in third decade which was 8 cases(32%). Site distribution was predominant in left side(13 cases), and in physical examination, the characteristics of the mass was nontender(76%), mobile(60%), soft(80%). The lesion site was submandibular area in 2 cases, upper 1/3 portion of sternocleidomastoid muscle(SCM) in 2 cases, middle 1/3 portion of SCM in 20 cases and parotid area in 1 case. The preoperative diagnosis was branchial cleft cyst in 16 cases, cervical lymphadenitis in 3 cases, tuberculous lymphadenitis in 3 cases, branchial cleft fistula in 1 case, dermoid cyst in 1 case and parotid mass in 1 case. Among 25 cases, first branchial cleft cyst was seen in 4 cases, second branchial cleft cyst in 20 cases and second branchial cleft fistula in 1 case. Conclusion : The clinical history of recurrent neck inflammatory episodes in young patients and nontender, mobile, soft neck mass should raise the suspicion of this entity. Investigation using CT scanning in combination with aspiration is useful. Treatment of all branchial cleft anomalies is complete surgical excision because there is lack of spontaneous regression, a high rate of recurrent infection, the possibility of other diagnosis, and rare malignant degeneration. Complete removal without complications depends on a good understanding of regional embryogenesis, a knowledge of the surrounding structure, and awareness of the different anatomical presentation.
요통(腰痛)과 골밀도(骨密度)와의 상관성(相關性)에 관한 연구
박상동,김경호,장준혁,김정석,Park, sang dong,Kim, Kyung Ho,Jang, Jun-Hyouk,Kim, Jeong Seok 대한침구의학회 2001 대한침구의학회지 Vol.18 No.2
Objective : The purpose of this study is to investigate the role of the osteoporosis in low back pain(LBP). Methods : We use method of projection with Quantitative computed tomography(QCT) to estimate Bone mineral density(BMD) of lumbar spine more precisely. From January 1999 to August 2000 we studied lumbar BMD of 46 women with LBP and 53 women with non-LBP, musculoskeletal symptoms who visited Dong-Guk University Bundang Hospital by QCT. Results : 1. Lumbar BMDs in women with LBP and women with non-LBP, musculoskeletal symptom were lower than in normal women and BMDs in women with LBP was higher than in women with non-LBP, musculoskeletal symptom but the significant difference was not revealed between two group in statistics(p<0.05).. 2. Radiological study shows that the number of degenerative spondylosis was 19, compression fracture was 11, non-radiological study was 10, normal was 5 in women with LBP. 3. Radiological study shows that the number of degenerative change was 7, compression fracture was zero, non-radiological study was 33, normal was 5 in women with non-LBP, musculoskeletal symptom. Conclusion : BMDs in women with LBP was higher than in women with non-LBP, musculoskeletat symptom but the significant difference was not revealed between two group in statistics(p<0.05).
Dong-Hyouk Jang,Ha-Jung Sung,Won Jun Han,Yang Joong Kim,Sang Yeoung Yoon,Sang Yong Kim,Jae-Hwang Jeong,Jin-Joo Hue,Sang Yoon Nam,Young Won Yun,Beom Jun Lee,Jong-Soo Kim 한국실험동물학회 2009 Laboratory Animal Research Vol.25 No.3
This study was carried out to assess the potential of intranasal administration of ondansetron (a 5-HT₃ receptor antagonist, which antagonize the acute emetic response) in preventing cisplatin-induced emesis in the ferret. After intranasal administration of ondansetron at doses of 0.3 and 0.6 ㎎/㎏, the peak plasma concentrations (Cmax) were 38 and 66.7 ng/mL, and attained at 13 and 23 min (Tmax) respectively. The intravenous (0.3 ㎎/㎏) and intranasal (0.6 ㎎/㎏) administrations of ondansetron significantly delayed the latency time to the first retching and vomiting. In acute phase of emesis during 24 hr, the number of vomits and retches were significantly reduced both in intravenous and intranasal administration groups. In delayed emesis (24-72 hr), intranasal administration of ondansetron at a higher dose of 0.6 ㎎/㎏ or intravenous injection of 0.3 ㎎/㎏ significantly reduced retching but not vomiting. Intranasal ondansetron, administered as 0.6 ㎎/㎏ dose, provided potency in antiemetic control comparable to intravenous ondansetron (0.3 ㎎/㎏) in cisplatin-induced acute emesis, without well known side effects when injected via intravenously. These results suggest that intranasal administration of ondansetron can be an effective substitute for intravenous administration for the prevention of cisplatin-induced acute emesis.
서동석(Dong-Seok Seo),김재영(Jae-Young Kim),정재황(Jae-Hwang Jeong),박학수(Hak-Soo Bark),유욱준(Wook-Joon Yu),고상범(Sang-Beom Go),김정헌(Jeong-Heon Kim),장동혁(Dong-Hyouk Jang),서무엽(Mu-Yeb Seo),조빈행(Bin-Haing Cho),성하정(Ha-Jung 한국농약과학회 2003 농약과학회지 Vol.7 No.4
To investigate the toxicological effects of technical of IAP-3006, we performed subchronic oral toxicity study in Sprague-Dawley (SD) rats. In the subchronic dietary study, rats of both sexes were fed diets containing technical of IAP-3006 at concentrations of 0, 1000, 10,000, or 15,000 ppm for 90 days. No clinical signs and mortality were observed in animals treated with technical of IAP-3006 throughout the experimental period. There were also no significant changes in body weights, feed consumption, and any gross or histopathological lesions. Although there were statistically significant differences between the control and treated groups in some relative and absolute organ weights, and hematological and biochemical analyses, the data were in biologically normal ranges and did not show a dose-dependent manner. From these results, it is suggested that subchronic oral toxicity NOEL of technical of IAP-3006 in rats may be over 15,000 ppm.
Development of Vitamin D Determination in Infant Formula by Column-Switching HPLC with UV Detector
Ko, Jin-Hyouk,Kwak, Byung-Man,Ahn, Jang-Hyuk,Shim, Sung-Lye,Kim, Kyong-Su,Yoon, Tae-Hyung,Leem, Dong-Gil,Jeong, Ja-Young Korean Society for Food Science of Animal Resource 2012 한국축산식품학회지 Vol.32 No.5
This study was carried out to develop an analytical method for the determination of vitamin D in infant formula. Vitamin D was determined by column-switching high-performance liquid chromatography (HPLC) equipped with a reversed phase column and UV detector after saponification and extraction of the formula with an organic solvent. A preseparation column ($C_8$), focusing column ($C_{18}$), analytical column ($C_{18}$) and UV-Vis detector (254 nm) were used. The limits of detection (LOD) and the limits of quantification (LOQ) for vitamin D were estimated to be $1.51{\mu}g/kg$ and $4.95{\mu}g/kg$, respectively. The linearity, recovery, precision and accuracy of the analytical method for vitamin D were evaluated through the application of a SRM (Standard Reference Material) 1846 (National Institute of Standard & Technology, USA). The linearity of this method was calculated with a value of the coefficient of determination ($r^2$) ${\geq}0.9999$. The recovery of vitamin D was $85.20{\pm}3.00%$. The intra-assay precision for vitamin D was between $1.68{\pm}0.03%$ and $5.75{\pm}0.33%$, and the inter-assay precision for vitamin D ranged from $1.73{\pm}0.03%$ to $2.96{\pm}0.09%$. The intra-assay accuracy for vitamin D was between $100.03{\pm}2.77%$ and $102.01{\pm}0.59%$, and the inter-assay accuracy for vitamin D ranged from $99.00{\pm}1.53%$ to $102.01{\pm}3.04%$. The proposed method is optimal for the separation and quantification of vitamin D from infant formula.
Kim, Cheorl-Ho,Lee, Dong-Gyu,Jang, Jun-Hyouk,Kim, Jong-De,Nam, Kyung-Soo,Kim, Jeong-Joong,Park, Jong-Kun,Choo, Young-Kug,Kim, Hyung-Min,Lee, Young-Choon Kyung Hee Oriental Medicine Research Center 2000 International journal of oriental medicine Vol.1 No.1
Components of extracellular matrix and the matrix-degrading enzymes are some of the key regulators of tumor metastasis and angiogenesis. Hyaluronic acid (HA), a matrix glycosaminoglycan, is known to promote tumor adhesion and migration, and its small fragments are angiogenic. Until now, we have compared levels of hyaluronidase, an enzyme that degrade HA, in normal adult prostate, benign prostate hyperplasia and prostate cancer tissues and in conditioned media from epithelial explant cultures, using a substrate (HA)-gel assay and ELISA-like assay (Kim et al., unpublished results). The present review described an overall characterization of hyaluronidases and its application to human diseases. The hyaluronidases are a family of enzymes that have, until recently, deed thorough explication. The substrate for these enzymes, hyaluronan, is becoming increasingly important, recognized now as a major participant in basic processes such as cell motility, wound healing, embryogenesis, and implicated in cancer progression. And in those lower life forms that torment human beings, hyaluronidase is associated with mechanisms of entry and spread, e.g. as a virulence factor for bacteria, for tissue dissection in gas gangrene, as a means of treponema spread in syphilis, and for penetration of skin and gut by nematode parasites. Hyaluronidase also comprises a component of the venom of a wide variety of organisms, including bees, wasps, hornets, spiders, scorpions, sh, snakes and lizards. Of particular interest is the homology between some of these venom hyaluronidases and the enzyme found in the plasma membrane of mammalian spermatozoa, attesting to the ancient nature of the conserved sequence, a 36% identity in a 300 amino acid stretch of the enzyme protein. Clearly, hyaluronidase is of biological interest, being involved in the pathophysiology of so many important' human disorders. Greater effort should be made in studying this family of enzymes that have, until recently, been overlooked. Also, oriental medical application of the hyaluronidase will be discussed with respect to inhibition and suppression of inflammation and malignacy.