1.Effect of High-Dose Steroid Treatment on Adipogenesis and Secretion of PAI-1 in Rats.
Journal of Korean Orthopaedic Research Society 1999;2(2):117-124
This study was conducted to invetigate the effect of high-dose steroid administration on adipogenesis and secretion of PAI-1 in rat. Sixty healthy Wistar rats were divided into three groups. Group A consisted of 20 control animals received 5 ml/kg isotonic saline for 1 weeks. Group B consisted of 20 animals received 10 ml/kg of methylprednisolone intraperitoeally for 1 week. Group C comprized 20 animals received 10 ml/kg of methylprednisolone intraperitoneally for 1 week. After the completionof treatment, blood sampling was performed for measurenement of PAI-1 and the animale were sacrificed for histopathologic examination and immunohistochemical study. The PAI-1 protein expressin of femoral heads were evaluated with Western-blotting. Blood level of PAI-1 increased significantly in high-dose steroid treated group(Group B and C) compared to control group. In histopathologic examination, significant fat morrow conversion, fat cell hypertrophy and fat cyst formation were observed in high-dose steroid treated group. Immunohistochemically, PAi-1 expression was sprominent in the fat cells. Protein expression of PAI-1 of femoral heads increased significantly in highdose steroid treated group compared to control group. In lights of above results, it is postulated that increased secretion of PAI-1 from fat cells could play a major role in the pathogenesis of osteonecrosis of the femoral head in rats treated with high-dose steroid.
Adipocytes
;
Adipogenesis*
;
Animals
;
Head
;
Hypertrophy
;
Methylprednisolone
;
Osteonecrosis
;
Plasminogen Activator Inhibitor 1*
;
Rats*
;
Rats, Wistar
2.A Study of Antifungal Activity with Rumex japonicus Houttuyn.
Korean Journal of Dermatology 1980;18(5):383-389
Rumex japonicus Houttuyn are ubiquitous plants, which are found in marshes or in wet areas. The root of Rumex japonicus Houttuyn has been used for the treatment of skin diseases including fungal infections of the skin since older times in Japan and China. This study was undertaken to investigate the antifungal activity of the alcoholbenzene extract of Rumex japonicus Houttuyn in vitro. During this experiment the extracts of Rumex japonicus Houttuyn were diluted seriaIly in the Sabouraud's dextrose agar and fungal mats or fungal suspensions of isolated strains of dermatophytes were inoculated into each medium containing different concentrations of test materials. Then their growth was observed for 2 weeks or 10 days at room temperature. (countinued...)
Agar
;
Arthrodermataceae
;
China
;
Glucose
;
Japan
;
Rumex*
;
Skin
;
Skin Diseases
;
Suspensions
;
Wetlands
3.A Case of Acardiac - Acephalus Twin Diagnosed by Antenatal Ultrasonography.
Jong In KIM ; Hyun Jin KIM ; Jung Sik KIM
Korean Journal of Obstetrics and Gynecology 1999;42(1):163-166
The acardius occurs with an incidence of one in 35,000 births and is presumed to result hom vascular anastomosis between the arterial circulation of the hemodynamically larger ""pump"" twin and that of the recipient ""perfused"" twin. The perfused twin displays severe anomalies, typically referred to as acardia, that are incompatible with life. The pump twin, because of its expanded cardiac demand, may also deveolp cardiac failure, with a mortality risk of 50-70%. We experienced one case of acardiac-acephalus twin gestation diagnosed by antenatal ultrasonography, and presented this.
Heart Failure
;
Humans
;
Incidence
;
Mortality
;
Parturition
;
Pregnancy
;
Twins*
;
Ultrasonography*
4.An analysis of the family medicine education of second-grade medical students.
Kyung Ran WON ; Hyun Sung KIM ; Young Sik KIM
Journal of the Korean Academy of Family Medicine 1993;14(3):173-180
No abstract available.
Education*
;
Humans
;
Students, Medical*
5.T2 relaxation of magnetic resonance imaging in schizophrenics.
Im Ryol KIM ; Kee Hyun CHANG ; Yong Sik KIM
Journal of Korean Neuropsychiatric Association 1992;31(3):566-575
No abstract available.
Magnetic Resonance Imaging*
;
Relaxation*
6.Expression of Androgen Receptor, bcl-2 Protein and Rb Protein in Breast Cancers as Related to Prognostic Factors.
Hyun Deuk CHO ; Young Sik KIM ; Insun KIM
Korean Journal of Pathology 1998;32(6):443-452
Breast cancer is the most common malignancy of women in industrialized countries and the third in Korean women. There have been a lot of studies on biologic behaviors as well as on the prognostic factors of the breast cancer. In this study, the expression of hormone receptors (estrogen receptor ; ER, progesterone receptor ; PR, and androgen receptor ; AR), bcl-2 and Rb proteins were immunostained on 60 infiltrating ductal carcinomas of the breast. The results were evaluated in relation with the age, histologic grade, tumor size, and status of lymph node metastasis. The expression of ER and PR had a significant inverse correlation with the histologic grade (p<0.001). The expression of AR was significantly correlated with the expression of ER (p=0.039) and PR (p=0.009), but not with other factors such as age, histologic grade, tumor size, and status of lymph node metastasis. There was no relationship between bcl-2 protein expresssion and other prognostic factors, except with the expression of ER. Rb protein expression had a significant positive relationship with PR (p=0.05) and the degree of positivity was correlated with histologic grade (p=0.002). In conclusion, this result suggests that expression of AR is well correlated with ER and PR. bcl-2 has no prognostic value. The significance of Rb protein expression remained to be studied.
Breast Neoplasms
;
Breast*
;
Carcinoma, Ductal
;
Developed Countries
;
Female
;
Humans
;
Lymph Nodes
;
Neoplasm Metastasis
;
Receptors, Androgen*
;
Receptors, Progesterone
;
Retinoblastoma Protein*
7.Clinical study on thyroid diseases in outpatients of family practice.
Hyun Sung KIM ; Kyung Lan WON ; Yeong Sik KIM
Journal of the Korean Academy of Family Medicine 1993;14(2):66-71
No abstract available.
Family Practice*
;
Humans
;
Outpatients*
;
Thyroid Diseases*
;
Thyroid Gland*
8.A Clinical Study of Proximal Humeral Fractures
Kwang Hoe KIM ; Il Yong CHOI ; Hyun Sik KIM
The Journal of the Korean Orthopaedic Association 1984;19(1):103-107
No abstract available in English.
Clinical Study
;
Shoulder Fractures
9.Preliminary Study of Vaginal Cones:A conservative Method of Treating Stress Incontinence.
You Sik LEE ; Jong Hyun KIM ; Ju Tae SEO
Journal of the Korean Continence Society 1997;1(1):60-60
No abstract available.
10.Biofeedback and Functional Electric Stimulation in the Treatment of Genuine Stress Incontinence.
Jong Hyun KIM ; Ju Tae SEO ; You Sik LEE
Journal of the Korean Continence Society 1997;1(1):59-59
No abstract available.
Biofeedback, Psychology*
;
Electric Stimulation*