1.Protective Effect of Probucol against Adriamycin-Induced Apoptosis in Cultured Rat Cardiac Myocytes.
Sun Ju LEE ; Dong Seok LEE ; Yong Wook JUNG
Journal of the Korean Pediatric Society 2000;43(6):746-754
PURPOSE: In adriamycin(ADR)-induced cardiomyopathy, several different mechanisms are suggested. However, little information is available regarding the role of apoptosis. In the present study, we examined the induction of apoptosis on ADR treatment and anti-apoptotic effects of probucol, a lipid-lowering drug, and we also studied the changes of bcl-2 expression in order to see the molecular mechanisms underlying the effect of probucol. METHODS: Cardiac myocytes were isolated from 3-day-old rats, and cultured in low(1 pM) or high doses(10pM) of ADR for 24 hours. Probucol(50 pM) was added 30 minutes before ADR administration. Apoptosis was determined by TUNEL staining, and bcl-2 expression was estimated by immunocytochemistry. RESULTS: The number of TUNEL-positive cells significantly increased in both groups treated with ADR. However, anti-apoptotic effect of probucol was evident only in low dose. In addition, the expression of bcl-2 was significantly increased only in the low-dose ADR treatment group and its expression was inhibited by pretreatment of probucol. CONCLUSION: These results suggest that apoptosis might play an important role in ADR-induced cardiotoxicity, and ADR-induced apoptosis was partially prevented by pretreatment of probucol. And ADR-induced apoptosis was not related with depression of bcl-2. Additionally, inhibition of bcl-2 gene expression of low-dose ADR treatment group by probucol suggests that another cell survival mechanism could be implicated in the action of probucol. (J Korean Pediatr Soc 2000;43:746-754)
Animals
;
Apoptosis*
;
Cardiomyopathies
;
Cell Survival
;
Depression
;
Doxorubicin
;
Genes, bcl-2
;
Immunohistochemistry
;
In Situ Nick-End Labeling
;
Myocytes, Cardiac*
;
Probucol*
;
Rats*
2.Extracorporeal Membrane Oxygenation for the Support of a Potential Organ Donor with a Fatal Brain Injury before Brain Death Determination.
Sung Wook CHANG ; Sun HAN ; Jung Ho KO ; Jae Wook RYU
Korean Journal of Critical Care Medicine 2016;31(2):169-172
The shortage of available organ donors is a significant problem and various efforts have been made to avoid the loss of organ donors. Among these, extracorporeal membrane oxygenation (ECMO) has been introduced to help support and manage potential donors. Many traumatic brain injury patients have healthy organs that might be eligible for donation for transplantation. However, the condition of a donor with a fatal brain injury may rapidly deteriorate prior to brain death determination; this frequently results in the loss of eligible donors. Here, we report the use of venoarterial ECMO to support a potential donor with a fatal brain injury before brain death determination, and thereby preserve donor organs. The patient successfully donated his liver and kidneys after brain death determination.
Brain Death*
;
Brain Injuries*
;
Brain*
;
Extracorporeal Membrane Oxygenation*
;
Humans
;
Kidney
;
Liver
;
Tissue and Organ Procurement
;
Tissue Donors*
3.Extracorporeal Membrane Oxygenation for the Support of a Potential Organ Donor with a Fatal Brain Injury before Brain Death Determination
Sung Wook CHANG ; Sun HAN ; Jung Ho KO ; Jae Wook RYU
The Korean Journal of Critical Care Medicine 2016;31(2):169-172
The shortage of available organ donors is a significant problem and various efforts have been made to avoid the loss of organ donors. Among these, extracorporeal membrane oxygenation (ECMO) has been introduced to help support and manage potential donors. Many traumatic brain injury patients have healthy organs that might be eligible for donation for transplantation. However, the condition of a donor with a fatal brain injury may rapidly deteriorate prior to brain death determination; this frequently results in the loss of eligible donors. Here, we report the use of venoarterial ECMO to support a potential donor with a fatal brain injury before brain death determination, and thereby preserve donor organs. The patient successfully donated his liver and kidneys after brain death determination.
Brain Death
;
Brain Injuries
;
Brain
;
Extracorporeal Membrane Oxygenation
;
Humans
;
Kidney
;
Liver
;
Tissue and Organ Procurement
;
Tissue Donors
4.A case of acute eosinophilic leukemia and trisomy 8.
Jung OH ; Kyung Ja HAN ; SangIn SHIM ; Sun Moo KIM ; Jong Wook LEE ; Dong Jip KIM
Korean Journal of Clinical Pathology 1991;11(1):83-87
No abstract available.
Leukemia, Eosinophilic, Acute*
;
Trisomy*
5.Reversible aplastic anemia due to eild mushroom: a family case.
Youngzoon JUNG ; Kyung Ja HAN ; Kyo Young LEE ; Sang In SHIM ; Sun Moo KIM ; Jong Wook LEE
Korean Journal of Clinical Pathology 1991;11(3):595-599
No abstract available.
Agaricales*
;
Anemia, Aplastic*
;
Humans
6.Extensive Condyloma Acuminatum in a NIDDM Patient.
Sun Wook HWANG ; Jong Jae JUNG ; Seok Mo KIM
Korean Journal of Dermatology 1999;37(12):1798-1802
A 20 year old woman with noninsulin-dependent diabetes mellitus (NIDDM) developed an extensive warty and focally cauliflower like mass located at anogenital area. Its histopathologic study and in situ DNA hybridization revealed this lesion an ordinary condyloma acuminatum without large bulbous downward proliferation of which HPV type was 6 and/or 11. The mass lesion was successfully treated by excision and electrodesiccation under spinal anesthesia. Intermittent recurrence of several papular condylomata acuminata was observed during a follow up period of 6 months, which were easily cured by podophylline application on each occasion.
Anesthesia, Spinal
;
Brassica
;
Condylomata Acuminata
;
Diabetes Mellitus, Type 2*
;
DNA
;
Female
;
Follow-Up Studies
;
Humans
;
Podophyllin
;
Recurrence
;
Young Adult
7.Erratum: The Palatability of Cereal Based Nutritional Supplements in Cancer Patients.
Hyun Wook BAIK ; Mi Kyung SUNG ; Yu Sun LEE ; Min Kyung SONG ; Yun Jung BAE
Clinical Nutrition Research 2015;4(1):68-68
We would like to correct the affiliation for the first author.
8.Craniofacial Morphogenesis of Mouse with Trisomy 16.
Jung Sun KIM ; Jeong Wook SEO ; Suk Wha KIM ; Je G CHI
Korean Journal of Pathology 1994;28(6):596-604
Based on the genetic homology between mouse chromosome 16 and human chromosome 21, experimentally induced trisomy 16 mouse has been considered to serve as a suitable model for human Down syndrome. Mice with trisomy 16 express several phenotypic characteristics of human trisomy 21 syndrome; i.e., intrauterine growth retardation, anarsarca, congenital heart disease, brain abnormality, etc. To elucidate morphogenesis of characteristic craniofacial malformation in human Down syndrome, we studied trisomy 16 mouse fetuses that were produced by crossing karyotypically normal C57BL/6 female ice with males carrying the two Robertsonian translocation chromosome Rb(16.17)/Rb(11.16). We examined a series of trisomy 16 conecptuses and their normal littermate controls from day 14 to day 18 of gestation by gross observation and serial microscopic sections. In addition to smaller size and generalized edema, we observed variable, but definite delay in brain and craniofacial development in trisomy 16 mice. The brain revealed less stratified telencephalon, underdeveloped thalamus and hypothalmus with relatively wide third ventricle, and small rhombencephalon. Craniofacial underdevelopment was characterized by persistent open eye, cochlea with fewer turns, delayed closure of the palate, more simple nasal cavity, etc. The tongue was shorter and convex upward, that were especially prominent at 14 days of gestation. The convex tongue and underdeveloped brain made the cranial base convex upward, and the angle between the cranial base an vertebral axis more obtuse. Small head with increase cephalic index and midfacial hypoplasia appeared to account for brain underdevelopment.
Female
;
Male
;
Humans
;
Mice
;
Animals
9.A Case of Congenital Lipoid Adrenal Hyperplasia: Early Diagnosis by Using Computed Tomography.
Jung Hyun KWON ; Ji Young KIM ; Hae Soon KIM ; Sun Wha LEE ; Han Wook YOO
Journal of Korean Society of Pediatric Endocrinology 2004;9(2):208-212
Congenital lipoid adrenal hyperplasia, the most severe form of congenital adrenal hyperplasia, is caused by mutations in the steroidogenic acute regulatory protien (StAR). It is characterized by failure of synthesis of all three classes of adrenal steroids and massive accumulation of lipids and cholesterol in the adrenal cortex. The computed tomography (CT) unequivocally delineated massively enlarged adrenal glands of fat-tissue attenuation, enabling early diagnosis and replacement therapy. We report a case of congenital lipoid adrenal hyperplasia, in which CT established that lipoid deposition at the adrenal cortex disappeared after the adrenal hormone replacement therapy.
Adrenal Cortex
;
Adrenal Glands
;
Adrenal Hyperplasia, Congenital
;
Cholesterol
;
Early Diagnosis*
;
Hormone Replacement Therapy
;
Hyperplasia*
;
Steroids
10.Ten cases of congenital anomalies diagnosed by prenatal ultrasonography.
Keun Hyeoung LEE ; Won Ki OH ; Sun Tae KIM ; Kwang Wook LEE ; Hun Jung IM
Korean Journal of Obstetrics and Gynecology 1991;34(12):1760-1775
No abstract available.
Ultrasonography, Prenatal*