2.The effect of carbon monoxide on the 3H 5-hydroxytryptamine binding sites in neonatal rats.
Yong Sik KIM ; Bae Yeon JEONG ; Su Hun CHO
Journal of Korean Neuropsychiatric Association 1991;30(4):652-659
No abstract available.
Animals
;
Binding Sites*
;
Carbon Monoxide*
;
Carbon*
;
Rats*
;
Serotonin*
3.Prenancy after 35 years of age.
Hong Sik PARK ; Eui Sik JUNG ; Chan Yong PARK ; Sung Jin CHO
Korean Journal of Obstetrics and Gynecology 1993;36(7):1542-1546
No abstract available.
4.Development of Monoclonal Antibodies Recognizing Human Peripheral Blood T Lymphocytes Cytoplasmic Proteins Induced upon Activation.
Yang Ja CHO ; Yong Hoon CHUNG ; Yong CHOI ; Yong Sik KIM
Korean Journal of Immunology 1997;19(1):145-156
Antigen-specific T cell activation requires interaction of the T cell with specialized antigen-presenting cells. Signaling through the TCR is necessary but not sufficient to induce antigen-specific T cell activation and cytokine secretion. This first signal, termed signal 1, is both antigen-specific and MHC-restricted. Signal 2, which is neither antigen-specific nor MHC-restricted, is necessary to induce cytokine secretion, cellular proliferation, and effector function. Recently immunological studies in T cell activation area are mainly focused on biological and molecular biological characterization of TCR/CD3 complex and accessary molecules providing costimulatory signal (signal 2). If signal 2 is not delivered, T cell enter a state of long term un-responsiveness to specific antigen-termed anergy. Monoclonal antibody technique has been especially involved in recognizing novel inducible cell surface antigens on T cell activation. This study was aimed to develop monoclonal antibodies recognizing novel cytoplasmic proteins present in activated T cells. We make 6 monoclones involved in changing pattern of T cell activated cytoplasmic proteins. Using these 6 monoclonal antibodies analyze to find novel molecules involved in T cell activation associated response, apoptosis, and/or heat shock response of the T cells in early T cell activation.
Antibodies, Monoclonal*
;
Antigen-Presenting Cells
;
Antigens, Surface
;
Apoptosis
;
Cell Proliferation
;
Cytoplasm*
;
Heat-Shock Proteins
;
Heat-Shock Response
;
Humans*
;
T-Lymphocytes*
5.Clinical significance of early diastolic notch of uterine artery Doppler velocimetry in relation to placental location.
Yong Won PARK ; Jae Sung CHO ; Sung Sik HAN ; Jae Wook KIM
Korean Journal of Obstetrics and Gynecology 1999;42(11):2486-2491
OBJECTIVE: Our purpose was to investigate the relation between types of early diastolic notch and placental location and to evaluate the differences in perinatal outcomes. METHODS: We evaluated the Doppler waveform of the uterine artery in 149 pregnant women having an early diastolic notch after 26 weeks gestation, however we were unable to follow the obstetric outcomes in 20 women. Placental location was determined by transverse view of ultrasonography and classified as central and lateral placenta. The unilateral diastolic notches were divided into 3 groups depending on the placental location (ipsilateral: same side of the placenta, contralateral: opposite side of the placenta, and median: central placenta) RESULTS: In the bilateral notch group, the S/D ratio of the contralateral uterine artery was higher than the ipsilateral one(n=60, mean=3.22 Vs 2.80, p=0.0067). Of the 89 unilateral notches observed, the S/D ratio of the uterine artery in patients having early diastolic notch was higher compared to those without early diastolic notch.(t-test, mean=2.74,1.92, p=0.0001) Patients with bilateral notches were associated with poor perinatal outcomes significantly more than the patients with unilateral notches(p=0.003). Among the unilateral groups (ipsilateral: n=10, median: n=21, contralateral: n=58), there was no significant difference in perinatal outcomes. CONCLUSION: The early diastolic notch can be observed on both or either sides of the uterine artery independent on placental location. More bilateral notches were associated with poor pregnancy outcomes than unilateral notches. The pregnancy outcomes tended to be similar in unilateral notch irrespective of placental location, but showed worse outcomes than the control group. Careful analysis of the uterine artery in nonplacental side is necessary because of the frequent appearance of early diastolic notch and higher vascular resistance.
Female
;
Humans
;
Placenta
;
Pregnancy
;
Pregnancy Outcome
;
Pregnant Women
;
Rheology*
;
Ultrasonography
;
Uterine Artery*
;
Vascular Resistance
6.A study of the completeness of fecal diversion in loop colostomy(by TC scanning).
Yang Sik CHO ; Seong Hwan KIM ; Young Don MIN ; Cheong Yong KIM
Journal of the Korean Society of Coloproctology 1993;9(4):363-374
No abstract available.
7.A Case of Lactate Dehydrogenase-IgGk, lambda Complex in Angioimmunoblastic Lymphadenopathy with Dysproteinemia.
Yong Kohn CHO ; Byeong Moon CHOI ; Dal Sik KIM ; Hye Soo LEE ; Sam Im CHOI
Korean Journal of Clinical Pathology 1997;17(1):65-70
There are various complex formations between immunoglobulin and serum enzymes in the body. Of these, LD-Immunoglobulin complex is most common. It has reported that LD-IgG or LD-IgA complex existed in the serum of healthy person or many patients who have various clinical disorders. The clinical significance of complexes is not known, but it results in the increase of total LD activity and interference to the LD isoenzyme electrophoresis interpretation due to its anomalous pattern. We have reported a case of LD-Immunoglobulin complex in AILD(Angioimmunoblastic lymphadenopathy with dysproteinemia) with reference. The patient was admitted with fever, chills and cervical LN enlargement, in LN biopsy, diagnosed AILD, and during treatment expired by sepsis. Since admission, serum total LD activities were increased and serum LD isoenzyme EP showed that LD3-5 fractions was not separated in broad single band. Its pattern was due to LD-immunoglobulin complex, LD-bound immunoglobulin was IgG ,lamda. For the identification of immunoglobulin, we at first did serum protein immunoelectrophoresis. then stained the plate with tetrazolium dye for LD activity.
Biopsy
;
Chills
;
Electrophoresis
;
Fever
;
Humans
;
Immunoblastic Lymphadenopathy*
;
Immunoelectrophoresis
;
Immunoglobulin G
;
Immunoglobulins
;
Lactic Acid*
;
Lymphatic Diseases
;
Sepsis
8.Insulinoma: nonvisualization on MR.
Seung Yon BAEK ; Moon Gyu LEE ; Kyu Bo SUNG ; Kyoung Sik CHO ; Yong Ho AUH
Journal of the Korean Radiological Society 1991;27(6):817-820
No abstract available.
Insulinoma*
9.Stomach cnacer with ureteral metastasis: CT findings and mode of metastasis.
Hye Young CHOI ; Kyoung Sik CHO ; Moon Gyu LEE ; Yong Ho AUH
Journal of the Korean Radiological Society 1992;28(3):407-412
No abstract available in English.
Neoplasm Metastasis*
;
Stomach*
;
Ureter*
10.Acupuncture needles in the abdominal organs: features on plain radiography, US and CT.
Seung Yon BAEK ; Moon Gyu LEE ; Hye Young CHOI ; Kyoung Sik CHO ; Yong Ho AUH
Journal of the Korean Radiological Society 1992;28(4):589-592
Acupuncture with gold needle insertion is utilized in Oriental medicine, and the effect of therapy is represented by anti-inflammatory and analgesic function, But sometimes the needle is erroneously inserted into abdominal organs, and then it may cause dangerous complications. We report a case of multiple gold needles in the abdominal organs without having definete clinical symptoms.
Acupuncture*
;
Medicine, East Asian Traditional
;
Needles*
;
Radiography*