1.A Clinical Observation of The Renal Angiography (36 Cases).
Korean Journal of Urology 1977;18(3):211-216
Renal angiogram offers valuable information in evaluating the patients with renal tumor, renal tuberculosis, polycystic kidney, hematuria, and renovascular hypertension. The author observed themorphological findings of renal disease, such as renal tumor, renal tbc, and polycystic kidney by selective renal angiography. A clinical evaluation were performed 36 patients of selective renal angiography which were done from 1972 to 1975. The result were as follows: Of 36 patients, comparison in clinical diagnosis with selective renal angiographic diagnosis. 1) Cases of correct clinical diagnosis with I.V.P. were 21 cases. 2) Cases of incorrect clinical diagnosis with I.V.P. were 3 cases. 3) At all, 12 cases were confirmed by renal angiography.
Angiography*
;
Diagnosis
;
Hematuria
;
Humans
;
Hypertension, Renovascular
;
Polycystic Kidney Diseases
;
Tuberculosis, Renal
2.A Clinical Observation for the Patients of Neurogenic Bladder Performed T.U.R. or T.U.R. with External Sphincterotomy(7 cases).
Korean Journal of Urology 1977;18(2):173-177
A clinical evaluation was performed on 7 patients of neurogenic bladder who underwent T.U.R. or T.U.R. with external sphincterotomy. All patients were indwelling Foley catheter from 7 months (minimal) to 2 and 1/2 years(maximal), were unable to self-voiding and their residual urine was over 100cc. The following conclusions were obtained: 1) 3 patients underwent T.U.R. but T,U.R. and external sphincterotomy was performed in 4 patients. 2) Of 7 patients, satisfactory result was obtained in 5 patients, but 2 patients obtained unsatisfactory result.
Catheters
;
Humans
;
Urinary Bladder, Neurogenic*
4.p53 Mutation and Functional Analyses by Using Yeast Functional Assay.
Byung Joo SONG ; Chin Seung KIM ; Il Soo KIM ; Su Mi HAN ; Hae Jung NAM ; Mi Uk CHIN ; Dong Hwan KIM ; Dong Hwang KIM ; Hyun Pil CHO ; Young Ho MOON
Journal of the Korean Cancer Association 1999;31(5):876-886
PURPOSE: Mutation of the p53 tumor suppressor gene is the most common genetic defect in all human tumors. Because of the widespread mutations and polymorphism in the p53 gene, the conventional screening methods cannot distinguish between polymorphisms or functionally silent mutations and inactivating mutations. It is well known that plasmids can be generated by homologous recombination in vivo in the yeast by cotransforming the PCR product with a linearized yeast expression vector encoding part of a gene and a selectable marker gene. The aim of this study is to develop more easy and reliable method for functional assay of p53 mutation. MATERIALS AND METHODS: We constructed a gap vector which can reliably and conveniently be used to screen p53 mutations in a simple yeast growth assay. The gap vector was constructed as follows: About 100 bp DNA fragments containing parts of N- and C- terminal portion of p53 were cloned into XbaI/SmaI and HindIII/XhoI sites of yeast expressing vector, respectively. The gap vector was obtained by double cutting with SmaI and HindIII followed by gel elution. Yeast was transformed with the reporter vector containing three tandem copies of the consensus p53 binding site by lithium acetate-mediated method. RT-PCR amplification of p53 transcripts from cell lines or tumor tissues was carried out. To investigate whether p53 gene is mutated or not, yeast containing reporter gene was cotransformed with PCR product and linearized gap vector, plated on SD medium minus histidine, and incubated for 3 days. The colonies on selective media were isolated and characterized. RESULTS: The tumor tissues examined were one hepatocellular carcinoma, three breast cancers, two stomach cancers and two colon cancers. One hepatocellular carcinoma tissue had mutation in both alleles of the p53 gene, and 7 cancer tissues had heterozygous mutations in the p53 gene. The result of functional assay was well correlated with mutational analysis by sequencing. CONCLUSION: p53 functional assay system might be easy and reliable method for functional screening of p53 on tumor tissues and this might be used for screening of other mutated gene. This technique, FASAY, requires only a few steps, can be automated readily and should permit screening for germline or somatic heterozygous mutations in any gene whose function can be monitored in yeast.
Alleles
;
Binding Sites
;
Breast
;
Carcinoma, Hepatocellular
;
Cell Line
;
Clone Cells
;
Colonic Neoplasms
;
Consensus
;
DNA
;
Genes, p53
;
Genes, Reporter
;
Genes, Tumor Suppressor
;
Genes, vif
;
Histidine
;
Homologous Recombination
;
Humans
;
Lithium
;
Mass Screening
;
Plasmids
;
Polymerase Chain Reaction
;
Stomach Neoplasms
;
Yeasts*
5.Changes of Blood Glucose , Insulin and Elecrolyte during Hypothermic Cardiopulmonary Bypass.
Yoo Jin KANG ; Sung Jin HONG ; Dae Ho KIM ; Jong Ho LEE ; Se Ho MOON ; Soo Nam CHIN
Korean Journal of Anesthesiology 1991;24(1):72-79
It has been shown that blood glucose level was risen during cardiopulmonary bypass procedure. However it is uncertain whether this alteration in carbohydrate metabolism in the result of inadequate insulin release or of an abnormality in glucose metabolism. This report concerns glucose metabolism and insulin release as well change in serum potassium concentration in patients undergoing cardiac surgery under moderate hypothermic cardiopulmonary bypass. Hyperglycemia and delayed insulin response to glucose may be due to an increase in catecholamine retion induced by the surgical trauma and hypothermic cardiopulmonary bypass. Plasma glucose, insulin, serum sodium and potassium concentrations were measured in 14 patients undergoing open heart surgery with moderate hypothermia. Patients were anesthetized with fentanyl 10~20 pg/kg, droperidol and nitrous oxide in oxygen. Priming solution of bypass was composed with heparinized whole blood, Hartmann's solution and 5% dextrose water added at the ratio of 2:1, as a result of hematocrit 28~30% during bypass A significant in blood glucose concentration occurred with bypass from the control value of 87.0+/-7.85 mg/dl to 529.8+/-67.52 mg/dl in children and from 88.8+/-10.42 mg/dl to 474.8+/-62.27 mg/dl in adults (p<0.05), partly as a result of the stress hyperglycemia and exogenous glucose load from the priming solution. Following bypass the blood glucose remained above the preanesthetic concentration at the level of 237.2+/-57.57 mg/dl in children and 210.4+/-45.29 mg/dl in adults, and this elevation persisted into the period following surgery (p<0.05). Plasma insulin concentration remained low in spite of increased glucose concentration at the level of 7.8+/-2.79 ul.U/ml in children and 10.1+/-3.84 pI.U/ml in adults and start to elevate with the start of bypass. The highest concentration at 39.6+/-13.90 ul.U/ml in children and 40.5+/-16.97 ul.U/ml in adults occurred following hypothermia and this elevation persisted during bypase procedure(p<0.05). Serum sodium and potassium concentration decreased significantly at the level of 134.0+/-3.58 mEq/ L and 3.1+/-0.40 mEq/L in children and 128.9+/-4.49 mEq/L and 3.2+/-0.37 mEq/L in adults, respeetively, following bypaas procedure (p<0.05). These observations indicated that exogenous glucose load such as glucose contained priming solution and cardioplegic solution may aggravate the stress hyperglycemia.
Adult
;
Blood Glucose*
;
Carbohydrate Metabolism
;
Cardioplegic Solutions
;
Cardiopulmonary Bypass*
;
Child
;
Droperidol
;
Fentanyl
;
Glucose
;
Hematocrit
;
Heparin
;
Humans
;
Hyperglycemia
;
Hypothermia
;
Insulin*
;
Metabolism
;
Nitrous Oxide
;
Oxygen
;
Plasma
;
Potassium
;
Sodium
;
Thoracic Surgery
;
Water
6.Statistical Observation on In-patients in the Past 5 Years..
Ki Hun YOUN ; Pyoung Mo JUNG ; Eung Sang LEE ; Hak Sul KIM ; Gil Nam CHIN ; Soo Kil LIM
Korean Journal of Urology 1977;18(3):269-274
A statistical observation was made on 856 in-patients with operative procedures in the Department of Urology, Catholic Medical College, During the period from January 1, 1971 to December 31, 1975.
Surgical Procedures, Operative
;
Urology
7.Evaluation of the Left Atrial Size and Function in Addition to Analysis of the Mitral and Pulmonary Venous Flow Velocity in the Estimation of Left Ventricular Filling Pressures.
Hyeon Suk LEE ; Nam Kyu BAK ; Dae Soo KIM ; Young Joo CHIN ; Gook Tae PARK ; Dong Woon KIM ; Myeong Chan CHO
Korean Circulation Journal 1996;26(2):533-540
BACKGROUND: Mitral and pulmonary venous(PV) flow velocity variables are being used for the indirect evaluation of left ventricular(LV) diastolic function. However, these flow velocities are influenced by age, loading conditions and other factors. This study was designed to evaluate usefulness of left atrial size and function in addition to the relation of mitral and PV flow velocity variables in the estimation of LV filling pressures. METHODS: Mitral and PV flow velocity variables. left artial size and function were assessed just before a cardiac catherization in 31 patients. According to the LV filling pressures, patients were divided into two subgroups and echocardiographic variables were compared. RESULTS: 1) LV end-diastolic pressure was related to the duration of reverse flow in the PV at atrial contraction(r=0.58) and difference in mitral and PV flow velocity duration at atrial contraction(r=0.54), and the similar findings were observed in other left ventricular filling pressures. 2) Left atrial size and volumes were greater in the subgroup of abnormal LV filling pressures(P < 0.05), but left atrial ejection fraction was not different between subgroups. CONCLUSION: In addition to variables of the mitral and PV flow velocities, left atrial size and volume may provide an additive value in the estimation of left ventricular filling pressures.
Echocardiography
;
Echocardiography, Doppler
;
Humans
10.Changes in Gut Microbiome upon Orchiectomy and Testosterone Administration in AOM/DSS-Induced Colon Cancer Mouse Model
Chin-Hee SONG ; Nayoung KIM ; Ryoung Hee NAM ; Soo In CHOI ; Jae Young JANG ; Ha-Na LEE
Cancer Research and Treatment 2023;55(1):196-218
Purpose:
Sex hormones are known to affect the gut microbiota. Previously, we reported that endogenous and exogenous testosterone are associated with colorectal cancer (CRC) development and submucosal invasion. In the present study, we investigated whether the gut microbiota is affected by orchiectomy (ORX) and testosterone propionate (TP) administration using an azoxymethane/dextran sulfate sodium (AOM/DSS)-induced CRC mouse model.
Materials and Methods:
Gut microbiota was evaluated by means of 16S rRNA gene sequencing of stool DNA extracted from feces that were obtained at 13 weeks after AOM injection (from 22-week-old animals) and stored in a gas-generating pouch.
Results:
The increase in microbial diversity (Chao1 and Phylogenetic Diversity index) and Firmicutes/Bacteroidetes (F/B) ratio upon AOM/DSS treatment in ORX mice was significantly decreased by TP supplementation. The ratio of commensal bacteria to opportunistic pathogens was lower in the TP-administered females and ORX mice than in the AOM/DSS group. Opportunistic pathogens (Mucispirillum schaedleri or Akkermansia muciniphila) were identified only in the TP group. In addition, microbial diversity and F/B ratio were higher in male controls than in female and ORX controls. Flintibacter butyricus, Ruminococcus bromii, and Romboutsia timonensis showed similar changes in the male control group as those in the female and ORX controls.
Conclusion
In conclusion, testosterone determines the dysbiosis of gut microbiota, which suggests that it plays a role in the sex-related differences in colorectal carcinogenesis.