1.The Role of Cytokines In bronchoalveolar Lavage Fluid in the Pathogenesis of the Neonatal Chronic Lung Disease.
Joon Young LEE ; Woo Ryoung LEE ; Dong Whan LEE
Journal of the Korean Society of Neonatology 1998;5(1):19-26
PURPOSE: Chronic lung disease is a cause of significant morbidity and mortality in the neonatal respiratory distress syndrome. Although the exact mechanisms leading to the development of chronic lung disease are unknown, there is increasing evidence indicating that pulmonary inflammation contributes to the pathogenesis. The proinflammatory cytokines, interleukin(IL)-1beta, IL-8 may have a role to play in initiating the inflammatory response that is seen in chronic lung disease. In contrast, IL-10 is an antiinflammatory cytokine. The abnormal persistent inflammatory process in chronic lung disease may be due to dysregulation of these proinflammatory cytokines. So, to describe cytokine profiles of chronic lung disease in neonate, we analysed the IL-1beta, IL-8 and IL-10 levels in bronchoalveolar lavage fluid by ELISA technique. METHODS: We obtained bronchoalveolar lavage samples from 14 respiratory distress syndrome infants without chronic lung disease and 8 respiratory distress syndrome infants with chronic lungisease. The cytokine levels were assayed. RESULTS: The results were as follows: 1) IL-1beta levels were higher in chronic lung disease group(205.16+/-360.21pg/rnl) than group without chronic lung disease(21.21+/-26.14pg/ml)(P<0.05). 2) IL-8 levels were also higher in chronic lung disease group(166.16+/-347.26pg/ml) than group without chronic lung disease(49.85+/-105.27pg/ml)(P>0.05). 3) In contrast, IL-10 levels were lower in chronic lung disease group(78.29+/-138.69pg/ml) than group without chronic lung disease(111.29+/-155.27pg/ml)(P>0.05). CONCLUSION: These results suggest that the dysregulation of cytokines contributes to the pathogenesis of chronic lung disease. The difference in cytokine levels of bronchoalveolar lavage fluid can be used as a predictor for development of chronic lung disease.
Bronchoalveolar Lavage Fluid*
;
Bronchoalveolar Lavage*
;
Cytokines*
;
Enzyme-Linked Immunosorbent Assay
;
Humans
;
Infant
;
Infant, Newborn
;
Interleukin-10
;
Interleukin-8
;
Lung Diseases*
;
Lung*
;
Mortality
;
Pneumonia
;
Respiratory Distress Syndrome, Newborn
2.A Case of Maternal Phenyletonuria.
Hyun Kyung HONG ; Woo Ryoung LEE ; Dong Whan LEE
Korean Journal of Perinatology 1999;10(3):387-390
Maternal phenylketonuria(PKU) is a disorder which appears when a pregnant woman with PKU doesn't take low phenylalanine diet, phenylalanine level of the fetus rises and interferes with fetal development and can easily result in abortion, low birth weight, microcephaly, cardiac anomaly or mental retardation. To prevent these effects of untreated maternal PKU, low phenylalanine diet should be taken to maintain the serum phenylalanine level less than 10mg/dl throughout the pregnancy. We experienced a case of maternal PKU in a female baby born to a 26-year-old woman with PKU who didn't take low phenylalanine diet until eighth moth of pregnancy. She showed intrauterine growth retardation, ventricular septal defect and patent ductus arteriosus. We report a case of maternal PKU with a brief review.
Adult
;
Diet
;
Ductus Arteriosus, Patent
;
Female
;
Fetal Development
;
Fetal Growth Retardation
;
Fetus
;
Heart Septal Defects, Ventricular
;
Humans
;
Infant, Low Birth Weight
;
Infant, Newborn
;
Intellectual Disability
;
Microcephaly
;
Moths
;
Phenylalanine
;
Pregnancy
;
Pregnant Women
3.Glucose-6 Phosphate Dehydrogenase Deficiency.
Meen Jai LEE ; Sang Eun LEE ; Dong Whan LEE ; Sang Jhoo LEE ; Sang Chul PARK
Journal of the Korean Pediatric Society 1990;33(2):212-219
No abstract available.
Oxidoreductases*
4.A Case of Histiocytic Medullary Reticulosis with Cutaneous Lesions.
Kyung Joon JEON ; Dong Woog YOO ; Yong Whan KIM ; Dong Wha LEE
Korean Journal of Dermatology 1980;18(6):579-584
Histiocytic medullary reticulosis is a rare, uniformly fatal, acute disease of the reticuloendothelial system. The disease is associated with fever, malaise, weakness, weight loss, lymphadenopathy, hepatosplenomegaly, jaundice, and purpura. Common laboratory findings are severe anemia, leukopenia, and thrombocytopenia. A 49-year-old male patient is described who had multiple purple nodules and tumors in the skin. A biopsy taken from a skin lesion showed a diffuse proliferation of atypical histiocytes in the dermis and subcutaneous tissue.However, erythrophagocytosis of these atypical histiocytes was not seen.
Acute Disease
;
Anemia
;
Biopsy
;
Dermis
;
Fever
;
Histiocytes
;
Humans
;
Jaundice
;
Leukopenia
;
Lymphatic Diseases
;
Male
;
Middle Aged
;
Mononuclear Phagocyte System
;
Purpura
;
Skin
;
Thrombocytopenia
;
Weight Loss
5.Cementless Total Hip Arthroplasty with Circumferentially Proximal Porous-Coated Femoral Stem -Minimum 10-Year Follow-up Results.
Chang Dong HAN ; Jin PARK ; Dong Hoon LEE ; Ick Whan YANG
Journal of the Korean Hip Society 2006;18(4):139-145
Purpose: The results of a more than 10-year follow-up after total hip arthroplasties with circumferential and proximal porous-coated femoral stems were evaluated. Materials and Methods: Seventy-six patients (80 hips), who were operated on between Aug. 1991 and July 1994, were followed for more than 10 years after primary total hip arthroplasties using Multilock stems. The mean age at the time of the operations was 47.3 years old and the mean duration of follow-up was 12.3 years. The clinical results and radiological findings were evaluated. Results: The mean Harris hip scores improved from 54.7 points to 88.5 points at the time of the 10-year follow up. On the last follow-up radiograph, endosteal bone formation was observed in 70 hips (90%) and all femoral stems were biologically stable. Femoral osteolysis, which was linear in Gruen zone I and VII and mostly restricted to the proximal zones, was observed in 67 hips (84%), and no hip had distal osteolysis in the femur. There was no loosening, migration, or revisions of the stems. Conclusion: Total hip arthroplasties using circumferential and proximal porous coated Multilock femoral stems demonstrated stable osseous fixation and no distal osteolysis for a minimum 10-year follow-up; therefore, all stems were reported to have satisfactory outcomes. With improvement of cup design and liner wear, circumferential and proximal porous coating designs of femoral stems can be an alternative answer to mechanical failure due to aseptic loosening.
Arthroplasty
;
Arthroplasty, Replacement, Hip*
;
Femur
;
Follow-Up Studies*
;
Hip
;
Humans
;
Osteogenesis
;
Osteolysis
6.Studies on the larval trematodes from brackish water fishes 3. Observation on Pseudexorchis major (Hasegawa, 1935) Yamaguti, 1938.
Dong Wik CHOI ; Whan Min LEE ; Jong Taek LEE ; Kyu Hyun HWANG
The Korean Journal of Parasitology 1966;4(2):35-40
The Parasitological investigation on the encysted metacercariae in brackish water fish, Tribolodon taczanowskii, in the downstream of Hyungsan river which is located in Kyungpook Province of Korea, were carried out serially and the following results were obtained. Metacercariae of Pseudexorchis major were found in six fishes(15.8 per cent ) out of 38 examined. Parasitic frequencies of the encysted metacercaria of Psedexorchis major in Tribolodon taczanowskii were 15.8 per cent (6 out of 38) in the scale, 10.5 per cent (4 out of 38) in the fin, 13.2 per cent (5 out of 38) in the gill, 10.5 per cent (4 out of 38) in the oral cavity and 7.9 per cent (3 out of 38) in the flesh. The worms were identified as Pseudexorchis major (Hasegawa, 1935) Yamaguti, 1938 by morphological studies on the metacercariae, excysted metacercariae, adults and eggs, and compared with prereported Pseudexorchis species.
parasitology-helminth-trematoda
;
Pseudexochis major
;
Tribolodon taczanowskii
;
epidemiology
7.Partial Trisomy10(q22~q26).
Hyung Chai KANG ; Sung Myun WOH ; Dong Whan LEE ; Sang Jhoo LEE ; Shin Yong MOON
Journal of the Korean Pediatric Society 1986;29(12):98-102
No abstract available.
Hodgkin Disease*
8.Partial Trisomy10(q22~q26).
Hyung Chai KANG ; Sung Myun WOH ; Dong Whan LEE ; Sang Jhoo LEE ; Shin Yong MOON
Journal of the Korean Pediatric Society 1986;29(12):98-102
No abstract available.
Hodgkin Disease*
9.Clinical Observation for Low Birth Infant.
Kyung Ugk KIM ; Man Sik MOON ; Song Yee KOH ; Dong Whan LEE ; Sang Jhoo LEE
Journal of the Korean Pediatric Society 1986;29(1):18-25
No abstract available.
Humans
;
Infant*
;
Parturition*
10.Effects of Dexamethasone on Endothelin-1(ET-1) Production by Keratinocytes.
Il Whan LEE ; Seung Chul LEE ; Dong Seok KIM ; Hye Jin KIM ; Kyoung Chan PARK
Annals of Dermatology 2001;13(3):148-152
Epidermal keratinocytes are important sources of a wide variety of cytokines that include the endothelin-1 (ET-1). Glucocorticoids have been shown to inhibit the production of several cytokines. However, their effect on ET-1 synthesis by keratinocytes is still unknown. It has been reported that ultraviolet B (UVB) irradiation stimulates both the synthesis and release of ET-1 and it was observed that ET-1 secretion by HaCat cells increased with increasing UVB exposure. In this study, the effects of glucocorticoid on ET-1 production were evaluated using cultured HaCat keratinocytes. The results showed that dexamethasone suppressed basal re-lease of ET-1. In addition, it strongly inhibited the UVB-mediated augmentation of ET-1 production. Furthermore, lincomycin slightly enhanced the inhibitory effect of dexamethasone on ET-1 synthesis.
Cytokines
;
Dexamethasone*
;
Endothelin-1
;
Glucocorticoids
;
Keratinocytes*
;
Lincomycin