1.In vivo characterization of virulence associated gene expression: II. plasmid-encoded aerobactin production and transferableantimicrobial resistance in E. coli.
Sang Hwa LEE ; Yoo Chul LEE ; Sung Yong SEOL ; Dong Taek CHO
Journal of the Korean Society for Microbiology 1991;26(5):463-477
No abstract available.
Gene Expression*
;
Virulence*
2.Binding of fibronectin to staphylococcus aureus.
Jung Wan KIM ; Sang Hwa LEE ; Yoo Chul LEE ; Sung Yong SEOL ; Dong Taek CHO
Journal of the Korean Society for Microbiology 1993;28(6):431-441
No abstract available.
Fibronectins*
;
Staphylococcus aureus*
;
Staphylococcus*
3.Molecular genetic analysis of non-transferable antimicrobial resistance of shigella isolates.
Sung Yong SEOL ; Young Chul KWON ; Je Chul LEE ; Yoo Chul LEE ; Dong Taek CHO
Journal of the Korean Society for Microbiology 1992;27(2):125-141
No abstract available.
Molecular Biology*
;
Shigella*
4.Phenotypic characterization of pseudomonas aeruginosa by pyocin typing of two different methods.
Chang Ho LEE ; Yoo Chul LEE ; Dong Taek CHO ; Sung Yong SEOL
Journal of the Korean Society for Microbiology 1991;26(2):135-146
No abstract available.
Pseudomonas aeruginosa*
;
Pseudomonas*
;
Pyocins*
5.Molecular Genetic Characteristics of Trimethoprim Resistance in Clinical and Normal Fecal Isolates of Escherichia coli.
Sung Yong SEOL ; Dong Taek CHO ; Yoo Chul LEE ; Haeng Seop SHIN ; Neung Hee KIM
Journal of the Korean Society for Microbiology 1999;34(4):347-361
One hundred and thirty trimethoprim-resistant R plasmids derived from of Escherichia coli isolated from clinical specimens and feces of healthy collegians were examined for incompatibility, EcoRI endonuclease restriction fragment pattern, and Southern hybridization with DHFR I, II, III, V, and VII probe. 1. Most trimethoprim-resistant R plasmids were resistant to ampicillin, tetracycline, chloramphenicol, gentamicin, and kanamycin, and showed multiple drug resistance and various antimicrobial resistance patterns. 2. Trimethoprim-resistant R plasmids ranged from 90 to 50 kilobase and 42.3% of R plasmids tested were classified to incompatibilty group Inc FI, Inc FII or Inc FIV, 3. Among 48 random selected R plasmids from various origin, 14 R plasmids (including 9 of 14 Inc FII plasmids and 3 of 14 Inc FI plasmids) hybridized with DHFR VII oligonucleotide probe but others did not respond to any of DHFR probes used. 4. Most R plasmids showed various EcoRI endonuclease fragments and different reaction sites by Southern hybridization. Six plasmids showed identical or nearly identical molecular weight, EcoRI endonuclease fragment patterns and different sites of Southern hybridization. But 2 Inc FII plasmids derived from urine and feces showed identical pattern. These findings, if confirmed by further studies, suggest that normal flora E. coli can act as reservoir of resistant genes and, consequently, as a factor in the dissemination of these genes among enteric pathogens and need to be examined further.
Ampicillin
;
Chloramphenicol
;
Deoxyribonuclease EcoRI
;
Drug Resistance, Multiple
;
Escherichia coli*
;
Escherichia*
;
Feces
;
Gentamicins
;
Immunodeficiency Virus, Feline
;
Kanamycin
;
Molecular Biology*
;
Molecular Weight
;
Plasmids
;
R Factors
;
Tetracycline
;
Trimethoprim Resistance*
;
Trimethoprim*
6.A Study on the Necessity to Revise the Present Growth Data for Height and Weight?.
Gi Dong HWANG ; Jae Kyung CHOI ; Jeh Hoon SHIN ; Nam Soo KIM ; In Joon SEOL ; Hahng LEE
Journal of the Korean Pediatric Society 1995;38(6):745-751
No abstract available.
7.Occult Mediastinal Ganglioneuroblastoma Presenting with Myoclonic Encephalopathy as Paraneoplastic Syndrome.
Hahng LEE ; Dong Ki HAN ; Jae Won OH ; In Joon SEOL ; Eun Kyung HONG ; Seok Chol JEON
Journal of the Korean Pediatric Society 1994;37(5):695-700
Ganglioneruroblastoma and neuroblastoma are among commonest types of childhood malignancy and a number of unique paraneoplastic syndromes have associated with both localized and disseminated neuroblastoma. The coincidence of neuroblastoma and myoclonic encephalopathy or other paraneoplastic syndromes occurs relatively rare, and therefore, failure to recognize this association could result in delays in both diagnosis and treatment, and the result could prove to be unfortunately fatal. The mechanism which underlies the remote damaging effect of neural crest tumor, especially neuroblastoma, on the nervous system resulting in myoclonic encephalopathy is by no means clear. In addition the nature and the extent of the pathologic lesion are inconsistent. We experienced a case of myoclonic encephalopathy associated with an occult mediastinal ganglioneuroblastoma in a 22-month-old girl who was hospitalized for inability to walk without support and tilting of the head to the left side. She became increasingly ataxic, and during the hospitalization myoclonic jerks of upper extremities and head along with chaotic, rapidly flickering, multidirectional spontaneous eye movements, were noted. Laboratory data included normal complete blood count, urinalysis, BUN and creatinine, electrolytes and bone marrow. Chest X-ray and chest CT revealed a relatively well marginated right posterior mediastinal mass. In a 24 hours urine excretion test, VMA and catecholamines were increased. Over the next 2 weeks, a surgical exploration revealed a right posterior mediastinal mass. Microscopically the mass proved to be a ganglioneuroblastoma, extending to right innominate artery and right axillary lymph nodes. Within 2 weeks after the surgery, radiotherapy (2,400 rads) and chemotherapy (CTX, DTIC, VCR) were started, but corticosteroid was not used. She has been free of tumor and abnormal neurological systemic symptoms and signs for 1 1/2 year since the completion of chemotherapy. In the 3 1/2 years follow-up period, her neurologic symptoms has completely resolved by the completion of 2 years chemotherapy. We report a case of mycoclonic encephalopathy associated with hidden ganglioneuroblastoma in 22-month-old girl.
Blood Cell Count
;
Bone Marrow
;
Brachiocephalic Trunk
;
Catecholamines
;
Creatinine
;
Dacarbazine
;
Diagnosis
;
Drug Therapy
;
Electrolytes
;
Epilepsies, Myoclonic*
;
Eye Movements
;
Female
;
Follow-Up Studies
;
Ganglioneuroblastoma*
;
Head
;
Hospitalization
;
Humans
;
Infant
;
Lymph Nodes
;
Myoclonus
;
Nervous System
;
Neural Crest
;
Neuroblastoma
;
Neurologic Manifestations
;
Paraneoplastic Syndromes*
;
Radiotherapy
;
Thorax
;
Tomography, X-Ray Computed
;
Upper Extremity
;
Urinalysis
8.A Case report of sparganosis.
Byong Seol SEO ; Han Jong RIM ; Jong June YOON ; Dong June LEE
The Korean Journal of Parasitology 1964;2(3):179-182
A case of sparganosis was presented. The patient was a 43-year-old Korean male who had a history of having eaten raw flesh of snake and frog in Keoje Island during 1950 to 1952 for the purpose of treatment of arthritis by the oriental custom. In the summer, l959, he had slight itching sensation in the left lower scrotal area. A few months later, he noticed the appearance of a peanut-sized mass in that area. However, the mass enlarged gradually to a hen's egg size during two years. On surgical exploration, the mass was found to be a fibro-connective tissue capsule(3 to 4 cm in diameter) in the lower left scrotal area. From the capsule three larvae(l9 to 28 cm by 2 to 6 mm) were freed by dissection without much difficulty. The sources of infection of some formerly reported sparganosis in Korea were discussed. It is most probable that human sparganosis is acquired by ingestion of raw flesh of snake and frog in this country.
parasitology-helminth-cestoda-sparagnum
;
sparganosis
;
case report
9.Virulence factors and related plasmids of shigella.
Dong Taek CHO ; Sung Yong SEOL ; Yoo Chul LEE ; Sang Hwa LEE ; Je Chul LEE ; Jung Min KIM
Journal of the Korean Society for Microbiology 1992;27(6):501-515
No abstract available.
Plasmids*
;
Shigella*
;
Virulence Factors*
;
Virulence*
10.Expression and control of virulence factors associated with adherence of escherichia coli to HeLa cells.
Je Chul LEE ; Yoo Chul LEE ; Jung Min KIM ; Sang Hwa LEE ; Sung Yong SEOL ; Dong Taek CHO
Journal of the Korean Society for Microbiology 1993;28(5):329-345
No abstract available.
Escherichia coli*
;
Escherichia*
;
HeLa Cells*
;
Humans
;
Virulence Factors*
;
Virulence*