• Journal of Acupuncture Research
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• v.24 no.5
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• pp.185-195
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• 2007

목적 : 부신피질 스테로이드약을 포함한 약물치료에도 조절되지 않았던 기관지천식 환자 6 증례에 대하여 침구치료를 행하여，연구방법의 하나인 조건반전법(N-of-1)을 이용하여 침치료의 효과를 검토하였다. 방법 : 연구디자인 : 조건반전법으로 침치료 기간(A기간)과 침치료 휴지기간(B기간)을 서로 반복하였다. A기간은 10주간으로 하고 1주간에 1회의 침치료를행하였다. 실시장소 : 메이지 침구대학부속병원 내과와 부속침구센터 대상 : 기관지천식의 표준적인 약물치료를 행하여도 천식발작이 충분히 개선되지 않았던 중등증에서 중증의 천식환자 6 증례를 대상으로 하였다. 평가 기관치천식에 대한 침치료의 효과를 아래의 항목을 이용하여 평가하였다. (1) 발작상태를 천식일지에 의해 평가 (2) 호흡곤란감을 VAS(Visual Analogue Scale)에 의해 평가 (3) 호흡기능검사 (4) 말초혈호산구수 (5) 스테로이드약의 투여량 (6) 중증도 효과 : A기간에 동시적으로 모든 예에서 천식발작과 호흡곤란감의 개선이 인정되었다. 한편 B기간에서는 6례 중 5례에서 천식발작의 재연이 확인되었다. 또한 천식발작의 개선에 수반하여 모든 예에서 중증도의 개선도 인정되었으며，6례 중 4례에서 스테로이드약의 감량이 가능하게 되었다. 결론 : 약물치료로 조절되지 않았던 기관지천식 환자에 대하여 침치료를 행한 결과, 환자의 천식발작, 자각증상, 호흡기능의 개선에 유효하였다고 생각된다.

• Journal of the korean veterinary medical association
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• v.34 no.7
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• pp.466-469
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• 1998

• Development and Reproduction
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• v.2 no.1
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• pp.39-43
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• 1998

The synthesis of steroid hormone starts from cholesterol. Steroidogenic acute regulatory protein(StAR) transfers cholesterol acutely from the outer mitochondrial membranes to the inner in the early step of steroidogenesis. Many kinds of steroid hormones are mainly synthesized in adrenal grand, ovary and testis. The purpose of this study is to determine the distribution of StAR mRNA in the rat ovary and adrenal gland and to confirm the functions of StAR in these organs. In the ovary, StAR mRNAs were strongly expressed in the corpus luteum, where progesterone is synthesized, and these were weakly expressed in the theca layer of follicles, where androgen is synthesized. However, StAR mRNAs were not detected in the estrogen producing granulosa cells of growing follicles. In the corpus luteum, StAR mRNAs were strongly loclized in the zona fasciculata and zona reticularis, where glucocorticoid is mainly synthesized. StAR mRNAs were weakly expressed in the zona gromerulosa, where mineralcorticoid is synthesized. StAR mRNAs were not detected in the adrenal medulla. In our results, StAR mRNAs were expressed differentially in the steroidogenic cells of ovary and adrenal gland according to the types of steroid hormones, and the statges of corpus luteum development. We conclude that StAR is involved in the steroidogenesis at the very early step of steroid synthesis cascade.

• Journal of the Korean Orthopaedic Association
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• v.55 no.2
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• pp.183-187
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• 2020

Perineural cysts are usually discovered incidentally; only approximately one percent of such cysts are symptomatic. Symptomatic cervical perineural cysts, of which only five case reports have been found in the literature, are extremely rare and there is no consensus regarding treatment. When a cervical perineural cyst is discovered in a patient with cervical radiculopathy without the cause of other apparent compression, the cyst can be considered as a possible cause of cervical radiculopathy. In such cases, non-surgical conservative treatment can be considered before any surgical intervention. We reported the successful treatment of case of a 40-year-old woman with a symptomatic cervical perineural cyst by oral steroids and transforaminal epidural steroid injection.

• Childhood Kidney Diseases
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• v.9 no.2
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• pp.149-158
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• 2005

Purpose : To determine the histological findings and treatment outcome in cases of child hood nephrotic syndrome which required renal biopsy. Methods : We retrospectively reviewed the clinical, laboratory, pathologic findings and therapeutic outcomes of 159 nephrotic children who received a renal biopsy at the Department of Pediatrics, Kyunghee Medical University Hospital, Seoul from 1984 to 2004 over a period of 21 years. The renal biopsy was performed in nephrotic children who showed atypical features at presentation, or needed cytotoxic therapy because of frequent-relapsing, steroid-dependent, or steroid-resistant nephrotic syndrome(SRNS). Results : Minimal change disease(MCD) was found in 52.1$\%$ of the patients, followed by diffuse mesangial proliferation(33.1$\%$), focal segmental gomerulosclerosis(5.3$\%$), membranoproliferative glomerulonephritis(2.4$\%$), membranous nephropathy(2.4$\%$), and IgA nephropathy(1.8$\%$). In MCD children, 14.8$\%$ had hematuria, 22.7$\%$ had hypertension, 5.7$\%$ showed decreased renal function, and no patient was found to have an abnormal complement level. Among patients diagnosed with diseases other than MCD, 43.2$\%$ had hematuria, 21.0$\%$ was found to be hypertensive, 7.4$\%$ of children showed decreased renal function and only 3(3.7$\%$) had decreased complement level; the rates of hematuria and SRNS were found to be significantly higher than MCD patients. Among 37 SRNS patients, 30(81.0$\%$) showed a final remission state with long-term steroid therapy, including methylprednisolone pulse therapy, over 4 months, with or without cytotoxic therapy. Conclusion : Almost half of the cases of childhood nephrotic syndrome requiring renal biopsy were not diagnosed with MCD. Among atypical features, hematuria and steroid-resistance would be the most probable indicators for a diagnosis other than MCD. Even in patients with SRNS, long-term methylprednisolone pulse therapy may result in a good remission rate. (J Korean Soc Pediatr Nephrol 2005;9:149-158)

• Development and Reproduction
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• v.10 no.2
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• pp.127-133
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• 2006

[ $17\;{\alpha}-hydroxylase/17,20-lyase(P450_{C17})$ ] is the key enzyme mediating the conversion of progesterone to $17\;{\alpha}-hydroxyprogesterone$, ultimately to androstenedione during steroidogenesis. R. dybowskii's ovarian $P450_{C17}$ cDNA was cloned to understand the regulatory mechanism of ovarian steroidogenic pathway at the molecular level in amphibian. A 2.5kb cDNA clone encoding a single open-reading frame with a 519 deduced amino acid was isolated with the screening of ovarian cDNA library. This sequence contained the three highly conserved domains as seen in $P450_{C17}$ of other species. The comparison of amino acid sequence of Rana $P450_{C17}$ with other animal's $P450_{C17}$ showed relatively high identity with 76% in Xenopus, 63% in chicken, 60% in rainbow trout, and 45% in human. Phylogenic analysis also indicated that Rana $P450_{C17}$ gene was evolutionary well conserved among vertebrate. Northern analysis indicated that the two different sizes of $P450_{C17}$ transcripts with approximately 2.5 and 3.6kb were detected in ovary tissue, but not in other tissues. The expression vector of Rana $P450_{C17}$ clearly showed the $17\;{\alpha}-hydroxylase$ activity converting the exogenous progesterone into $17\;{\alpha}-hydroxyprogesterone$ in the nonsteroidogenic COS-1 cells. Therefore, Rana $P450_{C17}$ cDNA is very useful to investigate the molecular mechanism of the ovarian steroidogenesis in amphibian.

• Proceedings of the Korean Society of Fisheries Technology Conference
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• 2001.05a
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• pp.379-380
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• 2001

양식과정중에 사육어류가 받을 수 있는 스트레스 요인은 상존하며, 이러한 스트레스 요인에 의해 어류는 체내 생리적 불균형이 일어나고 약해져서 질병에 감염되거나 폐사에 이르게 된다(Chang et al, 2001). 특히 어류의 선별시 발생할 수 있는 수심감소, 수조이동, 공기노출 및 장거리 수송 등은 급ㆍ만성적으로 스트레스 요인으로 작용할 수 있다. 이러한 스트레스에 의해 어류는 비늘이 손상되고 혈중 코르티코스테로이드, 골루코스, 젖산, 전해질, 콜레스테롤, 혈액성상 및 표피 점액의 과다분비 등이 일어날 수 있으며, 회복되지 않으면 죽을 수 있다(Wendelaar Bonga, 1997). (중략)

• Childhood Kidney Diseases
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• v.8 no.1
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• pp.33-42
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• 2004

Purpose : Children with nephrotic syndrome(NS) are under high risk for metabolic bone disease(MBD) as a complication of long-term glucocorticoid therapy. We prospectively evaluated the effect of oral bisphosphonate(alendronate) therapy in children with NS, which has proven efficacy in adult patients with glucocorticoid induced MBD. Methods : Among 58 children with NS, aged 5 to 8 years and haying a disease duration of more than 2 years, 30(51.7%) were enrolled to meet the selection criteria, less than -1.0 Z-scores of lumbar spine bone mineral density(BMD) by dual energy X-ray absorptiometry (DEXA). These 30 children were divided into three groups and each were assigned to receive alendronate, calcitriol, and no-medication, respectively for one year. Lumbar spine BMD was followed up every 6 months and the biochemical indexes were measured before and 1 year after the treatment. There were no significant difference among groups with respect to the average age, the initial BMD, and the cumulative steroid doses. Analysis of the treatment efficacy was done by the % change of BMD and by the changes in Z-scores of lumbar spine BMD. Results : Mean age and disease duration of patients at the initial lumbar spine BMD evaluation was $7.4{\pm}1.7$ years and $2.2{\pm}1.2$ years, respectively. Twenty-three of 30 children(76%) had osteopenia, and seven(23%) had osteoporosis. There was no difference in the biochemical values among the groups, before and 1 year after the treatment(P<0.05). Twenty two children(73.3%) with frequent relapsing or steroid dependant NS had more frequent MBD, compared to the 8 children(26.6%) with infrequent relapsing NS. The one year % changes of BMD were 8.56 in alendronate group, 5.79 in calcitriol group, and 1.9 in no-medication group. The changes in Z-score of lumbar spine BMD increased in the alendronate group and the calcitriol group, but not in the no-medication group. One year % changes of BMD were different among groups(P=0.0002). Significant differences were found between the alendronate and the no-medication group, and between the calcitriol and the no-medication group(P<0.05). There was no difference between the alendronate and the calcitriol group. No serious adverse effect was observed in the alendronate group. Conclusion : Children with NS receiving high dose steroids are under the high risk of BMD and should undergo regular BMD evaluation. Z-score of lumbar spine BMD was a useful parameter in diagnosing low bone mass in children. Alendronate weekly oral therapy was effective and relatively safe in increasing the lumbar spine BMD in children with NS having steroid induced MBD.

• Journal of Korean Ophthalmic Optics Society
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• v.5 no.1
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• pp.73-81
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• 2000

This review on ocular toxicology concentrates on the effects on ocular health and contact lens wear induced by systemically used drugs, including alcohol. Many systemically administered drugs produce ocular adverse effects. Fortunately, relatively few are capable of causing significant, irreversible visual impairment. The visual symptoms of acute intoxication are as follows : Drop in vision/visual acuity, diplopia, poor dark adaptation, increase in time for glare recovery, early cataract, decreased depth perception, blue-yellow or red-green colour defect and visual hallucinations. Blinking pattern, tear production, and discoloration of contact lenses can be affected by some systemic or local ocular medications. The cornea, conjunctiva, or eyelids may react to some systemic medications and to some preservatives used in contact lens solutions. The hydrogel contact lens act as a drug reservoir that emits the drug over time. I discuss management of contact lens-induced infectious and inflammatory conditions.

• Journal of the Korean Arthroscopy Society
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• v.6 no.2
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• pp.195-199
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• 2002

This article is to report a new technique for reconstruction of the anteromedial and posterolateral bundles of anterior cruciate ligament by separate tensioning and fixation of the each bundle. Method : Tibial and femoral tunnels were made with conventional technique of anterior cruciate ligament reconstruction. Tibial tunnel was enlarged $5\~7$ mm in anterior-posterior direction to make oval it in cross section. When preparing the Achilles tendon allograft, bone plug portion was trimmed as the conventional technique. The tendinous portion was trimmed as two separate bundles by dividing the tendinous portion longitudinally, so the graft is shaped like 'Y'. The bone plug portion of allograft was inserted into the femoral tunnel and fixed with absorbable cross pins. Two ligamentous portionss of the distal part of the grafts were tensioned separately at the external orifice. Anteromedial bundle was fastened under maximum tension with the knee flexed 90 degrees by post-tie method. The posterolateral bundle was fixed by the same technique with the knee in full extension. Then, an absorbable interference screw was inserted between the two bundles upto the upper end of the tibial tunnel, to get more initial rigidity of the reconstructed graft as well as to locate the two bundles in more anatomic position.