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Bang, Byung Kee,Kang, Seung Ku,Park, Doo Ho,Lee, Kwang Woo,Son, Ho Young,Song, Hae hiang,Min, Byong Sok CATHOLIC MEDICAL CENTER 1983 Bulletin of the Clinical Research Institute Vol.11 No.1
From May 1980 through May 1983, 18,201 subjects were examined with AMHTS which consisted of 50 parameters including blood glucose determination before and one hour after 50 g of oral glucose. Data were analysed by Control Data Cyber 174 system computer. The prevalence of diabetes among various age group and associated diseases were studied. The subjects were divided into 4 groups, Group Ⅰ, normal, with fasting blood glucose (FBS) less than 115 mg/dl and 1 hr glucose less than 185 mg/dl. Group Ⅱ, probably normal, with FBS less than 115 mg/dl and 1 hr glucose between 186 mg to 199 mg/dl, or FBS between 116 to 139 mg/dl and 1 hr glucose less than 199 mg/dl. Group Ⅲ, impaired glucose tolerance (IGT), with FBS less than 139 mg/dl and 1 hr glucose more than 200 mg/dl. Group Ⅳ, diabetes, with FBS more than 140 mg/dl and 1 hr glucose more than 200 mg/dl. The prevalence of diabetes was 3.5%, and IGT 8.0%. The prevalence of diabetes in the male was 4.2% in contrast to 2.4% in the female. The prevalence of diabetes among various age groups was 2.2, 0.5, 0.9, 3.4, 7.1, 10.4 and 10.7% in the second to eighth decade, respectively. The incidence of hypertension (over 160/95 mmHg) was 3.4% in Group Ⅰ, 5.3% in Group Ⅱ, 6.4% in Group Ⅲ, and 8.6% in Group Ⅳ. The incidence of hypercholesterolemia (over 250 mg/dl) was 6.8% in Group Ⅰ, 9.5% in Group Ⅱ, 11.8% in Group Ⅲ, and 21.0% in Group Ⅳ. The incidence of abnormal E.K.G. findings (Q & ST-T changes) was 0.5% in Group Ⅰ, 0.5% in Group Ⅱ, 0.7% in Group Ⅲ, and 3.0% in Group Ⅳ. The incidence of hypercreatinemia (over 1.5 mg/dl) was 0.6% in Group Ⅰ, 1.6% in Group Ⅱ, 1.3% in Group Ⅲ, and 1.8% in Group Ⅳ. The incidence of proteinuria was 3.0% in Group Ⅰ, 5.1% in Group Ⅱ, 6.1% in Group Ⅲ, and 17.3% in Group Ⅳ. The incidence of active pulmonary tuberculosis was 1.0% in Group Ⅰ, 1.2% in Group Ⅱ, 1.8% in Group Ⅲ, and 3.6% in Group Ⅳ.
Response of Idiopathic Neprotic Syndrome to Immunosuppresants
Bang, Byung Kee,Min, Byong Sok CATHOLIC MEDICAL CENTER 1980 Bulletin of the Clinical Research Institute Vol.8 No.1
1. In 69 cases of idiopathic nephrotic syndrome, minimal changes were found in 24.6%, diffuse proliferative glomerulonephritis in 36.2% (diffuse endocapillary 17.4%, membranoproliferative 15.9%, crescent 3.0%), membranous nephropathy in 30%, and advanced chronic glomerulonephritis in 10.1%. 2. Steroid induced complete remission in minimal changes was observed in 73.5% and partial remission in 23.5%. In membranous nephropathy, steroid induced complete remission was observed in 47.4%, partial remission in 15.7%, and clinical improvement in 63.1%. In diffuse endocapillary proliferative glomerulonephritis, steroid induced complete remission was found in 25% of the cases which were all exudative form, and partial remission in 25%. In membranoprolifierative glomerulonephritis, steroid induced complete remission was found in 27.2% and partial remission in 10%. 3. Although cyclophosphamide was not beneficial to steroid resistant idiopathic nephrotic syndrome, it was beneficial to steroid dependent membranous nephrop athy.
Interleukin-2 Effect on the Inhibition of Mixed Lymphocyte Reaction Induced by Cyclosporin A
Bang, Byung Kee,Lee, Kyung Shik,Kim, Ho Youn,Kim, Dong Jip,Moon, Hanlim,Min, Woo Sung CATHOLIC MEDICAL CENTER 1986 Bulletin of the Clinical Research Institute Vol.14 No.1
Cyclosporin A (CsA) was found to have remarkable immune suppressive properties without the usual significant myelotoxicity and to be a clinically very useful agent to prevent rejection of renal transplantation and bone marrow transplantation. The inhibitory effect of CsA on the production of interleukin-2 (IL-2) has been implicated as a major reason accounting for CsA mediated immunosuppression. But the exact mode of its immunosuppressive effect remains unclear. We studied the influence of CsA and exogenous IL-2 on the proliferative response in allogenic mixed lymphocyte culture. The results were as follows: 1. There is apparent inhibition of proliferative response in mixed lymphocyte reaction (MLR) by CsA in a dose-dependent manner, where optimal concentration is approximately 0.5 ㎍-1.0㎍/ml. 2. The time-course sequential studies indicated that the lymphocyte response was dependent on the time of addition of CsA to ongoing MLR, the inhibitory effect of proliferative response by CsA was markedly abolished after 20 hours of the culture (Mean cpm 12,578±1,445/28,324±319). 3. At the beginning of the MLR, an addition of both CsA and exogenous IL-2 (human, 2.0 U/ml) was found to have no appreciable immunosuppressive effect. 4. Exogenous human IL-2 abolished suppressive effect of CsA on the MLR but mouse IL-2 could not.
Immunologic Monitoring of the Renal Transplant Recipients
Bang, Byung Kee,Kim, Jip Dong,Kim, Hoon Kyo,Kim, Ho Youn,Kim, Choon Choo,Min Byong Sok CATHOLIC MEDICAL CENTER 1982 Bulletin of the Clinical Research Institute Vol.10 No.1
We performed E-rosette forming activities (E_10 min rosette, E_20 hr rosette), antibody dependent cell mediated cytotoxicity (ADCC) with recipient's mononuclear cells as effector cells and chicken red blood cells as target cells, and natural killer cell mediated cytotoxicity (NRMC) with recipient's mononuclear cells as effector cells and with K_562, cells as target cells. These parameters were measured in cases of renal transplant recipients who were followed up at the Catholic Medical College. There was no significant correlation between E-rosette forming activities or ADCC and rejection process. NKMC in transplant recipients (22.22±3.3/16.0±2.41%) showed a significant decrease as compared with that of normal control (46.82±5.5/29.32±4.27%). The decrease began immediately and continued 6 years after transplantation. Although there was no evident correlation between NKMC activities and acute rejection, positive correlation between long term graft function and NKMC activities, and also the difference of NKMC activities [(effector: target cells ratio (50:1)-(25:1)] could be observed.