801
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Kim HT, Kim YW, Kim SY, Bang YJ, Han SK, Kim NK, Kim KY, Han YC, Song HG, Lee HS. Endobronchial metastasis of malignant melanoma, diagnosed by bronchoscopy--report of a case. Korean J Intern Med 1988; 3:77-80. [PMID: 3153797 PMCID: PMC4532136 DOI: 10.3904/kjim.1988.3.1.77] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/04/2023] Open
Abstract
Endobronchial metastasis occurs in about 2% to 5% of patients dying of solid tumors of extrathoracic origin. These metastatic tumors can simulate bronchogenic carcinoma and presenting symptoms include cough, hemoptysis, dyspnea and wheezing. In most cases of endobronchial metastasis, the histologic finding of the bronchoscope biopsy suggests the correct diagnosis. There are only a few reports of endobronchial metastasis from malignant melanoma. We report a case of malignant melanoma with endobronchial metastasis presenting with hemoptysis simulating primary bronchogenic carcinoma.
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802
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Cho OK, Cho HY, Kim SY. CT diagnosis of recurrence following resection for gastric carcinoma. ACTA ACUST UNITED AC 1988. [DOI: 10.3348/jkrs.1988.24.5.825] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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803
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Kim SY, Marzluf GA. Transformation of Neurospora crassa with the trp-1 gene and the effect of host strain upon the fate of the transforming DNA. Curr Genet 1988; 13:65-70. [PMID: 2834105 DOI: 10.1007/bf00365758] [Citation(s) in RCA: 29] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Abstract
Neurospora trp-1+ transformants, obtained by transforming a trp-1 inl strain with plasmid DNA containing the wild type trp1+ gene, were characterized by genetic and Southern blot analyses. The transforming trp-1 gene integrated at or near the resident site in all of the trp-1+ transformants obtained with circular DNA or DNA cut within the trp-1 coding region. The frequency of homologous integration decreased substantially when the donor DNA was cleaved outside the trp-1 coding region. The transformants were very stable mitotically and, in general, also showed meiotic stability. Analysis of trp-1+ transformants obtained with another recipient strain, trp-1+ ga-2 aro-9 inl, showed that homologous integration of donor DNA occurred in only 20% of the transformants, whether circular or linear DNA was used. Thus, the host strain employed for transformation appears to be a major factor in determining the fate of transforming DNA. Southern blot analysis of transformants showed that integration of the transforming DNA at the homologous site occurred by double crossover or gene conversion events rather than by insertion of the entire plasmid DNA. Multiple and apparently non functional integration events were observed in some transformants.
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804
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Neer EJ, Kim SY, Ang SL, Bloch DB, Bloch KD, Kawahara Y, Tolman C, Lee R, Logothetis D, Kim D. Functions of G-protein subunits. COLD SPRING HARBOR SYMPOSIA ON QUANTITATIVE BIOLOGY 1988; 53 Pt 1:241-6. [PMID: 2474405 DOI: 10.1101/sqb.1988.053.01.030] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
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805
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Harrison SM, Gearing KL, Kim SY, Kingsman AJ, Kingsman SM. Multiple cis-active elements in the long control region of bovine papillomavirus type 1 (BPV-1). Nucleic Acids Res 1987; 15:10267-84. [PMID: 2827118 PMCID: PMC339943 DOI: 10.1093/nar/15.24.10267] [Citation(s) in RCA: 23] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023] Open
Abstract
A 1.0 kb region of the BPV-1 genome (the long control region, LCR), contains controls for transcription and the origin of replication. Transcription directed by the LCR is activated by the viral encoded E2 protein. To define the essential cis acting elements that are required to control transcription we have constructed a series of deletions throughout the LCR. We have identified three important domains in the LCR, two of which respond to E2. We have analysed the ability of small subcloned regions of the E2 responsive domains to act as enhancers in a heterologous assay system. This has led to the identification of five independent E2 responsive elements. We have shown that a fragment of only 38 base pairs is sufficient to respond to activation by E2. We also present evidence to suggest two types of E2 responsiveness that result in strong or weak activation. Strong response is correlated with the presence of the sequence 5'-ACCG/TNNNC/TCGGTGC-3' whereas weak response is correlated with the presence of a related sequence 5'-ACC(N)6GGT-3'. The contribution of these multiple elements to viral transcription is discussed.
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806
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Park SA, Kim SY. [Community nursing diagnosis and planning. 3. Community nursing diagnosis and planning of a geopolitical community]. TAEHAN KANHO. THE KOREAN NURSE 1987; 26:43-55. [PMID: 3695325] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
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807
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Abstract
A renal mass showing no invasion of the pararenal fascia, a distinct margin between tumor and remaining kidney, vascular patency, and large ring-like calcification detected on magnetic resonance imaging may suggest the diagnosis of renal oncocytoma.
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808
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Kim SY, Houh W. Gamma interferon modulates epidermal cell proliferation and mixed epidermal cell-lymphocyte reaction. J Korean Med Sci 1987; 2:151-6. [PMID: 3151764 PMCID: PMC3053627 DOI: 10.3346/jkms.1987.2.3.151] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/04/2023] Open
Abstract
Gamma interferon (gamma-IFN), a lymphokine produced by activated T lymphocytes, has a variety of effects on target cell. It induces class II antigens of the major histocompatibility complex not only in immunocompetent cells but also in non-immunocompetent cells. gamma-IFN also can exert, in addition to anti-viral activity, a series of anticellular effects on a variety of cell types. The effects of gamma-IFN on the proliferation of cultured epidermal cell (EC) and induction of HLA-DR antigen expression by EC (HLA-DR+KC) were studied. Furthermore, the immunologic role of HLA-DR+KC in the mixed epidermal cell-lymphocyte reaction (MECLR) was studied. The antiproliferative effect of gamma-IFN on the cultured EC was seen 3 days after treatment of gamma-IFN and the effect was dose-dependent. Number of HLA-DR+KC was increased dose-dependently with treatment of gamma-IFN. In MECLR, HLA-DR+KC had been found to exert stimulatory role on allogenic lymphocytes. However, there was no significant role of HLA-DR+KC on autologous lymphocytes.
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809
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Kim SY, Kim MH. Ia antigen mediated specific antigen presenting function of articular chondrocytes. Korean J Intern Med 1987; 2:158-62. [PMID: 3154828 PMCID: PMC4534938 DOI: 10.3904/kjim.1987.2.2.158] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/04/2023] Open
Abstract
The ability of articular chondrocytes to function as antigen presenting cells (APC) was examined. Rabbits were immunized with ovalbumin (OVA) in complete Freund’s adjuvant. Four weeks later, axillary lymph nodes were obtained. Spleen cells were used as positive controls. Chondrocytes were separated by collagenase, DNAse, and hyaluronidase digestion of dissected cartillage from femurs and tibias. Nylon wool purified T lymphocytes were cocultured with OVA pulsed and mitomycin-C treated chondrocytes and spleen cells. The proliferative response of autologus T lymphocytes was measured by 3H-thymidine uptake. Chondrocytes as well as spleen cells showed antigen presenting acitivty. This activity was inhibited by mouse monolonal anti-rabbit la antibody. These results indicate that articular chondrocytes function as antigen presenting cells in common with spleen cells, la antigen is a regulatory element in conjunction with soluble antigen for this process.
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810
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Rhee BD, Choi SJ, Park SW, Choi DS, Han H, Kim GR, Kim SY, Cho BY, Lee HK, Koh CS. HLA and insulin-dependent diabetes mellitus in Koreans. Korean J Intern Med 1987; 2:135-9. [PMID: 3154825 PMCID: PMC4534941 DOI: 10.3904/kjim.1987.2.2.135] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/04/2023] Open
Abstract
Specific allelic associations vary among ethnic groups. We studied the distribution of HLA-A, -B, -C and -DR antigens in 41 patients with insulin-dependent diabetes mellitus (IDDM) and 280 unaffected persons in Korea. HLA typing was performed by the standard microlymphocytotoxicity test using antisera supplied by the Third Asia-Oceania Histocompatibility Workshop Conference (3rd AOHWC, 1986). There was no association between HLA-A, -B, or -C and IDDM. However, the frequencies of HLA-DR3 and HLA-DR4 were increased in the patients as compared with the controls (19.5% vs 4.3%, RR 5.4, corrected p < 0.005 for DR3 and 61.0% vs 36.4%, RR 2.7, corrected p < 0.05 for DR4). Also a decreased frequency of HLA-DR2 was found in the patients with IDDM (9.8% vs 32.1%, RR 0.3, corrected p < 0.05). These results emphasize the differences in HLA-IDDM associations among different ethnic groups.
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811
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Lim JH, Ko YT, Kim SY. Ultrasound changes of the gallbladder wall in cholecystitis: a sonographic-pathological correlation. Clin Radiol 1987; 38:389-93. [PMID: 3304788 DOI: 10.1016/s0009-9260(87)80232-5] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Abstract
To assess the pathological basis of the changes seen on ultrasound examination of the gallbladder wall in cholecystitis, the appearances of the gallbladder wall were analysed in 17 patients with acute cholecystitis and 27 patients with chronic cholecystitis, and correlated with the pathological specimens removed at surgery. A thin echo reduced layer within the echogenic gallbladder wall corresponds to a complex of subserosal oedema, haemorrhage and inflammatory cell infiltration, or to muscular hypertrophy. Indistinctness or a low echogenicity rind along the inner margin represents mucosal sloughing or obliteration of the mucosal folds. Uniformly decreased echogenicity of the wall is caused by severe inflammatory change with sloughing of the mucosa or obliteration of the mucosal folds. These ultrasound signs are considered to be valuable signs of cholecystitis.
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812
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Vedam K, Kim SY, D'Aries L, Guenther AH. Nondestructive depth profiling of ZnS and MgO films by spectroscopic ellipsometry. OPTICS LETTERS 1987; 12:456-458. [PMID: 19741763 DOI: 10.1364/ol.12.000456] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/28/2023]
Abstract
Spectroscopic ellipsometric (SE) measurements followed by linear-regression analysis of the SE data obtained on ZnS and MgO films on vitreous silica substrates reveal the distribution of voids (or low-density regions) in these transparent thin films.
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813
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Abstract
The effects of interferons (IFN) on in vitro differentiation of B-lymphocytes were studied. Peripheral lymphocytes from normal subjects were cultivated under polyclonal activator pokeweed mitogen (PWN) or Epstein-Barr virus (EBV) stimulation. The secreted Ig in the culture supernatants were measured for IgM by ELISA method. To determine the cellular level of IFN action T-cell enriched fraction (Te) or B-cell enriched fraction (Be) were preincubated with IFN prior to recombination culture. IFN had modulatory activities on Ig production; at low to moderately high doses (10–1000 U/ml of IFN-alpha or 12–120 U/ml of IFN-gamma) stimulating when IFN was added until 48 hr after the start of the culture, while after 72 hr from culture start IFN suppressed Ig production. Preincubation of Be-cells with moderately high doses of IFN (120 U/ml of IFN-gamma or 1000 U/ml of IFN-alpha) prior to PWM-stimulation suppressed Ig production. Likewise, in EBV-stimulated culture, high dose IFN suppressed Ig production. But low dose of IFN enhanced ig production in EBV-stimulated culture. Preincubation of Te-cells with IFN prior to PWM-stimulation with Be-cells enhanced the Ig production. The T-cell subset analysis at the end of these culture showed enhanced ratio of T-helper cell relative to T-suppressor cells, suggesting increased T-helper cell proliferation after incubation with IFN. Thus, it is concluded that IFNs have modulatory activities on B-cell differentiation. The mechanism seems to be direct effects on B-cells (in PWM and EBV system) as well as through T-helper cell mediation (PWM system). The IFN-gamma showed more potent (2-to 6-fold) stimulatory activities than IFN-alpha.
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814
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815
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Kim SY, Choi IY, Kim SJ, Kang CM, Lee CK, Kim MH. Induction of Ia antigens on synovial cells by gamma interferon. Korean J Intern Med 1987; 2:1-7. [PMID: 3155321 PMCID: PMC4534916 DOI: 10.3904/kjim.1987.2.1.1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/04/2023] Open
Abstract
Gamma interferon (IFN-γ) is a potent inducer of class II MHC antigens (la) in vitro. Enhanced Ia Expression is a characteristic feature of inflamed rheumatoid synovium. We investigated the potential of Ia induction upon non-inflammatory synovial cells under the influences of gamma interferon, alpha interferon and conditional medium from concanavalin A (Con-A) stimulated peripheral blood lymphocytes cultures (Con-A CM), Ia expression on enzyme dispersed cultured synovial cells decreased with time coincident with the loss of macrophage like cells. Addition of gamma interferon induced Ia molecules upon Ia negative synovial cells in a time and dose dependent manner, whereas alpha interferon treatment failed to induced Ia antigen. Con-A CM exerted the ability to induce Ia upon synovial cells. These findings suggest that: (1) Ia antigen expression by synovial tissue is the result of direct T cell influence: (2) non-inflammatory synovium has a potential to modulate Ia molecules under an altered environment.
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816
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Koo WS, Lee YJ, Kim HS, Kim SY, Choi EJ, Chang YS, Yoon YS, Bang BK. Changes of plasma angiotensin-converting enzyme activity during hemodialysis. Korean J Intern Med 1987; 2:62-5. [PMID: 2856479 PMCID: PMC4534915 DOI: 10.3904/kjim.1987.2.1.62] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/03/2023] Open
Abstract
Plasma angiotensin-converting enzyme activity was measured by spectrophotometer in normal subjects and in patients with end stage renal failure, serially during a routine hemodialysis. Patients on maintenance hemodialysis tended to be associated with elevated plasma angiotensin-converting enzyme activity versus normal subjects. Plasma angiotensin-converting enzyme activity was significantly elevated in patients with chronic renal failure after 5 hours of hemodialysis(p<.001). Plasma angiotensin-converting enzyme activity corrected for hemoconcentration was also significantly increased(p<.05). There was a significant correlation between the increase in plasma angiotensin-converting enzyme activity after 5 hours of hemodialysis and the decrease in white blood cell count at one hour of hemodialysis (r = 0.51, p<.05). It is suggested that plasma angiotensin-converting enzyme analysis may prove to be a method for assessing transient pulmonary dysfunction during hemodialysis.
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817
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Kim SY. [Continuing education. The psychiatric clinical specialist in the emergency room and a model for advanced nursing preparation in chronic psychiatric care]. TAEHAN KANHO. THE KOREAN NURSE 1986; 25:41-6. [PMID: 3642083] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
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818
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Hong KJ, Kim SY, Park YS, Lee KJ, Lee HY. [A study on the job analysis of nurse's position]. TAEHAN KANHO. THE KOREAN NURSE 1986; 25:46-59. [PMID: 3640905] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
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819
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Honda Y, Naoi N, Kim SY, Sakaue E, Nambu M. New disposable ERG electrode made of anomalous polyvinyl alcohol gel. Doc Ophthalmol 1986; 63:205-7. [PMID: 3743339 DOI: 10.1007/bf00157132] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
We developed a disposable electrode for the electroretinogram made of anomalous polyvinyl alcohol gel. This new hydrogel is a rubber-like elastic with water content 80-90 wt%, but insoluble in water. The elastic electrode plate is approximately 0.3-1.0 mm thick, sterile, flexible, and easily cut to the desired shape. Its low cost permits it to be discarded after use.
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820
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Abstract
We examined some of the problems arising when c-waves are employed in pharmacological experiments with pigmented rabbits. The cyclic variations of the c-wave are smaller in rabbit than in other species. Under our experimental conditions the c-wave amplitudes in some rabbits reached an equilibrium under intermittent stimuli, while in others they increased with time and did not reach a constant level within 3 h. The c-wave amplitude varied with the standing potential during dark adaptation. However interindividual variations made it difficult to standardize the c-waves by this change. Since the c-wave amplitudes of the right and left eyes were similar, the contralateral eye should be used as a control when drugs are administered topically. Interindividual variations of the c-wave amplitude were smaller under dim light. This method is useful in chronic pharmacological experiments when drugs are administered systemically.
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821
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Kim SY, Naoi N, Honda Y. Effect of glucose added to intraocular irrigating solutions on the rabbit electroretinogram in vitro. Doc Ophthalmol 1986; 63:131-5. [PMID: 3743332 DOI: 10.1007/bf00157122] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
The most adequate concentration of glucose in intraocular irrigating solution for the retina was studied electrophysiologically in the pigmented rabbit in vitro. Comparison of b-wave amplitudes demonstrated that glucose at a concentration of 20 mM/l yielded the highest values. A 40 mM/l glucose solution also increased the b-waves but to a lesser extent than did a solution of 20 mM/l. This result might be due to the detrimental effects of osmolarity. However, under hypoxic conditions the amplitudes of the b-wave obtained with 40 mM/l glucose solution was greater than those with 20 mM/l. It thus appears that slight hyperglycemic concentrations might have favorable effects on the ischemic retina.
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822
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Chung YH, Park KS, Lee KU, Kim SY, Lee HK, Min HK. High 24-hour urinary C-peptide excretion in non-insulin dependent diabetes mellitus. Korean J Intern Med 1986; 1:172-7. [PMID: 3154612 PMCID: PMC4536715 DOI: 10.3904/kjim.1986.1.2.172] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/04/2023] Open
Abstract
The 24-hour urinary C-peptide excretion (UCPR) is a useful means of estimating total daily insulin secretion. To evaluate the daily insulin secretion rate in non-insulin dependent diabetes mellitus (NIDDM), we measured UCPR in 22 patients with NIDDM and 18 normal subjects. The mean (±SD) UCPR in the patients with NIDDM was 115.4±40.2 ug/day and that in normal subjects was 56.7±22.0 ug/day respectively with significantly higher values in the patients with NIDDM (P<0.0001). UCPR was positively correlated with body fat mass determined by measurement of skin fold thickness in both groups [r=0.51 in patients with NIDDM (n=22; p<0.02) and r=0.55 in normal subjects (n=18; p<0.02)], and was higher in NIDDM patients, even with the same degree of fat mass. There was no significant correlation between UCPR and body muscle mass both in the patients with NIDDM and normal subjects [r=0.16 in patients with NIDDM (n=22; p>0.1) and r=0.16 in normal subjects (n=18; p>0.1)]. This result suggested that the total daily insulin secretion rate in NIDDM be increased to compensate insulin resistance, especially that induced by adipose tissues.
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823
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Kim SY, Vedam K. Proper choice of the error function in modeling spectroellipsometric data. APPLIED OPTICS 1986; 25:2013. [PMID: 18231450 DOI: 10.1364/ao.25.002013] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/25/2023]
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824
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Abstract
The early effects of sodium iodate (NaIO3) on the ERG c- and b-waves were studied in rabbits. When 30 mg NaIO3/kg body weight was administered intravenously, the c-wave amplitude decreased and was replaced by a potential of opposite polarity. However, the administration of 20 mg/kg of NaIO3 enhanced the c-wave remarkably. Twenty min after administration, the mean c-wave amplitude significantly increased (P less than 0.001) to 211 +/- 6.2% of the pre-administration amplitude, whereas that of the control was 108 +/- 13.0%. The b-wave amplitude showed no significant changes. When 10 mg/kg of NaIO3 was administered, the enhancement of the c-wave was not remarkable. These effects were similar in both pigmented and albino rabbits. A lower blood concentration of NaIO3 applied to the basal side of the retinal pigment epithelium (RPE) may initially affect only the basal membrane of the RPE resulting in the decrease in the basal membrane resistance (Rba). This would explain the transient increase in the c-wave amplitude with 20 mg NaIO3/kg.
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825
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Takahashi H, Takezawa J, Okada T, Kim SY, Taenaka N, Shimada Y, Yoshiya I. Portal blood flow measured by duplex scanning during mesenteric infarction. Crit Care Med 1986; 14:253-4. [PMID: 2935369 DOI: 10.1097/00003246-198603000-00019] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
The portal blood flow of a 70-yr-old man with suspected massive mesenteric infarction was measured using duplex scanning. The main portal flow was 109 ml/min, while cardiac output was 4.2 L/min. Laparotomy revealed a massive mesenteric infarction from proximal jejunum to rectum. Duplex scanning may be a useful method for studying the course of mesenteric infarction.
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