covered with liguid nitrozen and pulverized with a pestle. To the powered tissue 5ml of 3.3M formic acid/0.5% Tween 20 was added and centrifuged at 40,000*g for 10 min. An aliquot of supernate was put into C18 sepak minicolumn to eliminates IGF-BPs. Measurement of IGF-I in rat tissues was done by RIA with anti-hIGF-I antibody and hIGF-I(PSIII) standard which was prepared by Drs. L. E. Underwood and J. J. Van Wyk UNC at Chapel Hill, NC, USA and distributed through the National Hormone and Pituitary Distribution Program. Distribution of IGF-I in rat tissue was seen by SDS-PAGE and ligand blotting method. A cDNA library in lambda gt11 of rat liver was used to isolate the cDNA of IGF-I. Phage containing inserts encoding rat IGF-I were identified by hybridization with biotin labeled synthesized oligomer which was the sequence from 1 to 8 aminoacids of known rat IGF-I. The EcoRI inserts were subcloned into PBluescript SK. The nucleotide sequence of both strands was determined by the dideoxy chain termination method. RESULTS: 1)IGF-BPs in tissue extract which could compete with antibody for IGF-I in measureing the IGF-I were eluted at 50Kdalton molecular weight marker using Protein-pak 300SW column. Using C18-sepak minicolumn, IGF-BPs were completely eliminated from tissue extract as much as possible, using Protein-pak 300SW column. 2)The amount of IGF-I in tissues was as folows: liver 575+/-41.6ng/g, lung 552.0+/-40.8ng/g. kidney 503+/-30.8ng/g, heart 449.0+/-30.4ng/g, testis 225+/-18.8ng/g, spleen 146+/-26.4ng/g, muscle 92+/-7.6ng/g and brain 49.0+/-5.8ng/g. The amount of IGF-I in blood was 1403+/-60.8ng/ml. 3)Banding patterns of IGF-BPs in rat tissues extract were obtained using ligand blotting. IGF-BP3 bands at 50 Kdalton molecular weight marker were strongly shown in testis, heart, and lung extracts but not in brain and muscle. IGF-BP1 and 2 band at 30Kdalton molecular weight marker was strongly shown in liver, kidney, spleen, testis, heart and lung. IGF-BP4 band at 21 Kdalton molecular weight marker was weakly shown only in spleen and muscle. 4) The nucleotide sequence of cloned cDNA of rat IGF-I is as follows. 5 10 15 5'----- CC CTT TGC GGG GCT GAG CTG GTG GAC GCT CTT CAG TTC GTG TGT 20 25 30 -GGA CCA AGG GGC TTT TAC TTC AAC AAG CCC ACA GGC TAT GGC- 35 40 45 -TCC AGC ATT CGG AGG GCA CCA CAG ACG GGC ATT GTG GAT GAG------3 CONCLUSION: This study suggests that tissue extraction method for IGF-I from tissues and elimination of IGF-BPs using C18 sepak minicolumn is suitable for measuring in large numbers of samples. Expression of IGF-I and IGF-BPs in multiple tissues suggests some phsiologic function at each tissue level. Subcloning of cDNA of exon 3 and 4 of IGF-I was useful for studying regulation of IGF-IA and IB mRNA in rat tissue.
Animals ; Bacteriophages ; Base Sequence ; Biotin ; Brain ; Carrier Proteins* ; Clone Cells ; DNA, Complementary ; Electrophoresis, Polyacrylamide Gel ; Exons ; Gene Library ; Heart ; Insulin-Like Growth Factor I* ; Kidney ; Liver ; Lung ; Molecular Weight ; Polysorbates ; Rats* ; RNA, Messenger ; Spleen ; Testis

Muscles from three patients were obtained during continuous ischemic periods and were investigated ultrastructural changes to know the reversible tourniquet time. Tourniquet was applied for periods lasting between 60 minutes and 90 minutes in the human and muscle biopsies were taken from 10 minutes to 90 minutes ischemic period and at the same periods after release of the tourniquet. All specimens were investigated with electron microscopy and the results were as follows: In 10 minutes tourniquet period, loss of cristae in few mitochondria were observed. In 30 minutes tourniquet period, partial swelling, loss of cristae and myelin figure in many mitochondrias and vacuolar dilatation in T-tubule and sarcoplasmic reticulumn were observed. In 60 minutes tourniquet period, above change were observed in nearly all mitochondrias and total number of mitochondrias were decreased. In 90 minutes tourniquet period, above changes were more distinct. 20 minutes after release of 90 minutes tourniquet period, small sized new mitochondria were appeared and abundant electron dense granule in their matrix and sarcoplasmic reticulumn were visible. 60 minutes after release of 90 minutes tourniquet period, the majority of damaged mitochondrias were replaced by small sized new mitochondrias and electron dense granule were abundant in sarcoplasmic reticulumn. In human, the changes on the ultrastructure were reversible for at least a succeeding 90 minutes ischemic periods.
Biopsy ; Dilatation ; Humans ; Microscopy, Electron ; Mitochondria ; Muscle, Skeletal ; Muscles ; Myelin Sheath ; Tourniquets

Four patients with advanced tuberculosis of the wrist joint were treated with curettage & radial sliding graft to obtain radiometacarpal fusion. After each follow-up, their results were complete relief of pain with eradication of focus and solid union. This graft affords the stability of cortical bone combined with the osteogenesis of cancellous or trabecular bone. It furthermore affords a shape that conforms to the desirable dorsiflexion of the wrist after fusion.
Arthrodesis ; Curettage ; Follow-Up Studies ; Humans ; Osteogenesis ; Transplants ; Tuberculosis ; Wrist Joint ; Wrist

No abstract available.
Iron* ; Skin Pigmentation*

Clinical, EEG and MRI assessments were conducted in 320 consecutive seizure patients referred to the Yonsei Epilepsy Clinic from october 1, 1991 to Feburary 28. 1993 Clinical assessment suggested that 91.9% of our patients had partial seizures and only 3.1% had generalized seizures. Among partial seizures. Temporal lobe seizure uas considered in 37.5%, localization undetermined partial seizure in 29.7%, extratemporal lobe seizure in 24.7%. Correlation with EEG findings in these patients showed disconcordance rate of 34.6% in generalized seizure, 29.1% in extratemporal lobe seizure, 15.8% in temporal lobe seizure, 5.3% in localization undetermined partial seizure. Structural lesions in MRI were found in 51.6% with hippocampal atrophy being the most frequently round(59.4%). Focal encephalomalacia comprised 15.8%, focal atrophy in 4.8*/o. vascular malformation in 4.2%, granuloma in 3.7%, tumor in 3.7%, cyst in 2.4%. Patients with clinically judged temporal lobe seizure had the most common structural lesions in MRI. Which were seen in 59.2%. Extratemporal lobe seizure had focal lesion in 50.6%. Localization undetermined partial seizure in 50.5%, and generalized seizure in 23.1%. Among 98 patients with hippocampal atrophy, 27 patients(27.6%) had dual pathology with focal encephalomalacia being the most common. 11 patients(11.3%) were suspected to have bilateral hippocampal atrophy. Hippocampal atrophy was more commonly seen in patients with history of febrile convulsion and in patients with severe seizure.
Atrophy ; Electroencephalography* ; Encephalomalacia ; Epilepsy ; Granuloma ; Humans ; Magnetic Resonance Imaging* ; Pathology ; Seizures* ; Seizures, Febrile ; Temporal Lobe ; Vascular Malformations

No abstract available.
Occupations

Citrullinemia is one of the five urea cycle defects and is caused by argininosuccinic acid synthetase deficiency ; conversion of citrulline to argininosuccinic acid is blocked. Severe hyperammonemia typically develops in the neonate within a few days and symptoms such as vomiting, lethargy, convulsion, coma follows rapidly. The diagnosis is supported by high citrulline level in serum, urine, CSF and decreased activity of argininosuccinic acid synthetase in liver biopsy. We experienced a 3-day-old male neonate with poor activity, lethargy, convulsion, and coma who was diagnosed as citrullinemia by markedly elevated plasma and urine citrulline level with hyperammonemia. We report this case with brief review of the related literature.
Argininosuccinic Acid ; Biopsy ; Citrulline ; Citrullinemia* ; Coma ; Diagnosis ; Humans ; Hyperammonemia ; Infant, Newborn ; Lethargy ; Ligases ; Liver ; Male ; Plasma ; Seizures ; Urea ; Vomiting

Citrullinemia is one of the five urea cycle defects and is caused by argininosuccinic acid synthetase deficiency ; conversion of citrulline to argininosuccinic acid is blocked. Severe hyperammonemia typically develops in the neonate within a few days and symptoms such as vomiting, lethargy, convulsion, coma follows rapidly. The diagnosis is supported by high citrulline level in serum, urine, CSF and decreased activity of argininosuccinic acid synthetase in liver biopsy. We experienced a 3-day-old male neonate with poor activity, lethargy, convulsion, and coma who was diagnosed as citrullinemia by markedly elevated plasma and urine citrulline level with hyperammonemia. We report this case with brief review of the related literature.
Argininosuccinic Acid ; Biopsy ; Citrulline ; Citrullinemia* ; Coma ; Diagnosis ; Humans ; Hyperammonemia ; Infant, Newborn ; Lethargy ; Ligases ; Liver ; Male ; Plasma ; Seizures ; Urea ; Vomiting

In order to observe the influence of halothane upon the blood pressure during general anesthesia, the author prepared a formula, expressing change of blood pressure by times series and analyzed the types and distribution patterns in this experiment. The results obtained were as follows: 1) Blood pressure was high at the time of intubation. 2) Generally, blood pressure increased at the time of intubation and then stabilized within 20 minutes. 3) Most common patterns were dentified. (ijEE) type was 73~74% that is most common type, and (iEEE) type was 40~44%.
Anesthesia* ; Anesthesia, General ; Blood Pressure* ; Halothane* ; Intubation

No abstract available.
Paranasal Sinuses*