1.Distribution of the muscarinic receptors and characterization in the brain of wistar rats and spontaneously hypertensive rats(SHR strain) by digital autoradiography.
In SOHN ; Myung Chul LEE ; Chang Soon KOH
Korean Journal of Nuclear Medicine 1993;27(1):28-34
No abstract available.
Autoradiography*
;
Brain*
;
Rats, Wistar*
;
Receptors, Muscarinic*
2.Stress perception of patients with non-insulin-dependent diabetes mellitus.
Kyung Bong KOH ; Hyun Chul LEE
Journal of Korean Neuropsychiatric Association 1992;31(6):1084-1091
No abstract available.
Diabetes Mellitus, Type 2*
;
Humans
3.Stress perception of patients with non-insulin-dependent diabetes mellitus.
Kyung Bong KOH ; Hyun Chul LEE
Journal of Korean Neuropsychiatric Association 1992;31(6):1084-1091
No abstract available.
Diabetes Mellitus, Type 2*
;
Humans
4.Implementing a Sepsis Resuscitation Bundle Improved Clinical Outcome: A Before-and-After Study.
Jeongmin KIM ; Sungwon NA ; Young Chul YOO ; Shin Ok KOH
Korean Journal of Critical Care Medicine 2014;29(4):250-256
BACKGROUND: Unlike other diseases, the management of sepsis has not been fully integrated in our daily practice. The aim of this study was to determine whether repeated training could improve compliance with a 6-h resuscitation bundle in patients with severe sepsis and septic shock. METHODS: Repeated education regarding a sepsis bundle was provided to the intensive care unit and emergency department residents, nurses, and faculties in a single university hospital. The educational program was led by a multidisciplinary team. A total of 175 adult patients with severe sepsis or septic shock were identified (88 before and 87 after the educational program). Hemodynamic resuscitation bundle and timely antibiotics administration were measured for all cases and mortality at 28 days after sepsis diagnosis was evaluated. RESULTS: The compliance rate for the sepsis resuscitation bundle before the educational program was poor (0%), and repeated training improved it to 80% (p < 0.001). The 28-day mortality was significantly lower in the intervention group (16% vs. 32%, p = 0.040). Within the intervention group, patients for whom the resuscitation bundle was successfully completed had a significantly lower 28-day mortality than other patients (11% vs. 41%, p = 0.004). CONCLUSIONS: Repeated education led by a multidisciplinary team and interdisciplinary communication improved the compliance rate of the 6-h resuscitation bundle in severe sepsis and septic shock patients. Compliance with the sepsis resuscitation bundle was associated with improved 28-day mortality in the study population.
Adult
;
Anti-Bacterial Agents
;
Compliance
;
Critical Pathways
;
Diagnosis
;
Education
;
Emergency Service, Hospital
;
Hemodynamics
;
Humans
;
Intensive Care Units
;
Interdisciplinary Communication
;
Mortality
;
Resuscitation*
;
Sepsis*
;
Shock, Septic
5.Receptors for murine monoclonal antibodies on the normal blood cells.
Joon Ki JUNG ; Myung Chul LEE ; Chang Soon KOH
Journal of the Korean Cancer Association 1993;25(2):252-260
No abstract available.
Antibodies, Monoclonal*
;
Blood Cells*
6.Clinical analysis of superior mesenteric infarction
Sung Jong KOH ; Ho Chul PARK ; Hoong Zae JOO
Journal of the Korean Society for Vascular Surgery 1992;8(1):122-131
No abstract available.
Infarction
7.Effects of Manganese on Lipid Peroxidation and Compositional Changes of Fatty Acids in Hippocampus of Rat Brain.
Soo Jin LEE ; Chul Jin MOON ; Hyun Chul KOH
Korean Journal of Aerospace and Environmental Medicine 2001;11(4):215-222
BACKGROUND: To investigate the effect of manganese on lipid peroxidation and compositional changes of fatty acids in hippocampus of rat brain. METHODS: Seven rats in experimental group were given with MnCl2 intraperitoneally for 4 weeks (4 mg/kg once daily, 5 days per week). Twenty four hours after the last injection, rats were decapitated and, hippocampus were separated from the rat brain. RESULT: In Mn-treated group, manganese concentrations increased significantly in the hippocampus by 222% compared with control group (P<0.01). MDA concentrations increased significantly by 149% compared with control group (P<0.05). Among fatty acids, total n-6 polyunsaturated fatty acids (PUFAs) increased significantly by 237% compared with control group (P<0.05). Linoleic acid (LA) and arachidonic acids (AA) increased by 213%, 238% (P<0.05, P<0.01, respectively). Among n-3 PUFAs except linolenic acids, eicosapentanoic acid(EPA) and docosahexanoic acids (DHA) decreased significantly by 70%, 50% respectively compared with control group (both P<0.01). CONCLUSION: Our results suggest that manganese may cause compositional changes of fatty acids in hippocampus of rat brain. Characteristics of fatty acids compositional changes by manganese were the decrease of EPAs and DHAs (n-3 PUFAs), and increase of AA and LA (n-6 PUFAs). These changes with the increase of MDA, suggest that manganese neurotoxicity is caused by lipid peroxidation.
alpha-Linolenic Acid
;
Animals
;
Arachidonic Acid
;
Arachidonic Acids
;
Brain*
;
Fatty Acids*
;
Fatty Acids, Omega-3
;
Fatty Acids, Unsaturated
;
Hippocampus*
;
Linoleic Acid
;
Linolenic Acids
;
Lipid Peroxidation*
;
Malondialdehyde
;
Manganese*
;
Rats*
8.Effects of cyclic nucleotides and glipizide on the cardiovascular response of baclofen in the rats.
In Chul SHIN ; Hyun Chul KOH ; Jin Hee HA
The Korean Journal of Physiology and Pharmacology 1997;1(6):647-655
The purpose of present study is to investigate the influence of a spinal gamma-aminobutyric acid B(GABA|B) receptor on a central regulation of blood pressure (BP) and heart rate (HR), and to define its mechanism in the spinal cord. In urethane-anesthetized, d-tubocurarine-paralyzed and artificially ventilated male Sprague-Dawley rats, intrathecal administration of drugs were carried out using injection cannula (33-gauge stainless steel) through the guide cannula (PE 10) which was inserted intrathecally at lower thoracic level through the puncture of a atlantooccipital membrane. Intrathecal injection of an GABA|B receptor agonist, baclofen (30, 60, 100 nmol) decreased both BP and HR dose-dependently. Pretreatment with 8-bromo-cAMP (50 nmol), a cAMP analog, or glipizide (50 nmol), a ATP-sensitive K+ channel blocker, attenuated the depressor and bradycardic effects of baclofen (100 nmol), but not with 8-bromo-cGMP (50 nmol), a cGMP analog. These results suggest that the GABA|B receptor in the spinal cord plays an inhibitory role in central cardiovascular regulation and that this depressor and bradycardic actions are mediated by the decrease of cAMP via the inhibition of adenylate cyclase and the opening of K+ channel.
8-Bromo Cyclic Adenosine Monophosphate
;
Adenylyl Cyclases
;
Animals
;
Baclofen*
;
Blood Pressure
;
Catheters
;
gamma-Aminobutyric Acid
;
Glipizide*
;
Heart Rate
;
Humans
;
Injections, Spinal
;
Male
;
Membranes
;
Nucleotides, Cyclic*
;
Punctures
;
Rats*
;
Rats, Sprague-Dawley
;
Spinal Cord
10.Characteristics of 18F fluorodeoxyglucose Uptake in Human Colon Cancer Cells.
Chang Soon KOH ; Myung Chul LEE ; June Key CHUNG ; Jae Min JEONG ; Chae Kyun KIM
Korean Journal of Nuclear Medicine 1997;31(3):381-387
Cancer tissues are characterized by increased glucose uptake. 18F-fluorodeoxyglucose(FDG), a glucose analogue is used for the diagnosis of cancer in PET studies. This study was aimed to compare the glucose uptake and glucose transporter l(GLUT1) expression in various human colon cancer cells. We measured FDG uptake by cell retention study and expression of GLUTI using Western blotting. Human colon cancer cells, SNU-C2A, SNU-C4 and SNU-C5, were used. The cells were incubated with 1micro Ci/ml of FDG in HEPES-buffered saline for one hour. The FDG uptake of SNU-C2A,SNU-C4 and SNU-C5 were 16.8+/-1.36, 12.3+/-5.55 and 61.0+/-2.17cpm/microgram of protein, respectively. Dose-response and time-course studies represent that FDG uptake of cancer cells were dose dependent and time dependent. The rate of FDG uptake of SNU-C2A, SNU-C4 and SNU-C5 were 0.29+/-0.03, 0.21+/-0.09 and 1.07+/-0.07cpm/min/microgram of protein, respectively. Western blot analysis showed that the GLUT1 expression of SNU-C5 was significantly higher than those of SNU-C2A and SNU-C4. These results represent that FDG uptake into human colon cancer cells are different from each other. In addition, FDG uptake and expression of CLUT1 are closely related in human colon cancer cells.
Blotting, Western
;
Colon*
;
Colonic Neoplasms*
;
Diagnosis
;
Glucose
;
Glucose Transport Proteins, Facilitative
;
Humans*