A clinical analysis of pleural effusion was done on 100 patients who were between 5 and 67 years old. The etiologic diagnosis of pleural effusion at the time of discharge were pulmonary tuberculosis in 38 cases[38%],pneumonia in 20 cases[20%],lung carcinoma in 16 cases[16%],liver cirrosis in 9 cases[9%],congestive heart failure in 4 cases[4%],nephrosis in 3 cases[3%],Meig,s syndrom in 3 cases[3%].liver abscess 2 cases[2%],pancreatitis in 1 cases[1%] and other metastatic malignancy in 4 cases[4%]. Their chief complaints was chest pain in 89 cases[89%],dyspnea in 74 cases[74%],coughing in 46 cases[46%], fever in 13 cases[13%],weakness in 12 cases[12%] and dizziness in 11 cases[11%].
Kim, Young-Ho;Park, Kwan-Kyu;Kim, Young-Man;Cho, Soo-Yeul
Applied Microscopy
/
v.28
no.4
/
pp.577-590
/
1998
Puromycin aminonucleoside (PAN) nephropathy was induced in a group of Sprague-Dawley rat by a single dose of intraperitoneal Injection to study an ultrastructural change of glomerulus. The experimental rats developed proteinuria three days after PAN injection. Electron microscopic studies of glomeruli showed the loss of epithelial foot processes, formation of cytoplasmic vacuoles, microvillous formation and increased numbers of lysosomes in the cytoplasm of podocytes. It is strongly suggested that proteinuria in PAN nephrosis may be primarily due to a glomerular epithelial lesion, leading to focal disarray of anionic sites or focal defects in the epithelial covering of the basement membrane. The loss of anionic sites in the basement membrane nay be caused by the foot process fusion and the epithelial detachment from the basement membrane.
In order to study the effects of administration of neomycin on the kidney of Korean black goats, 4.5(group A), 9(group B) or 14(group C) mg/kg, body weight of neomycin was injected intramuscularly turice a day for 84 days. On day 31, unilateral nephreotomy was performed in one animal of each group. The results were as follows: Serum neomycin concentrations were 8.7, 13.8, and 20.2 ${\mu}$g/ml 12 hours after injection. Serum BUN and creatinine concentration in nephreotomized goats, regardless of dosage, rapidly increased and came to peak on 3 days after, and then began to decrease to normal range, gradually, In non-nephrectomized goats, regardless of dosage, there was no notable change. In nephreotomized goats, PSP Tl/2 was delayed to the utmost 1 day after nephrectomy, regard-less of dosage, and then began to decrease to normal range, gradually in non-nephrectomized goats, there was not notable change in PSP T$\frac{1}{2}$. The intact kidney was markedly enlarged compared with the kidney of non-nephrectomized goats, but there was no microscopic change. It is concluded that administration of neomycin up to 14mg/kg body weight twice a day for 84 days was not nephrotoxic to the Korean black goats.
Tumor necrosis factor-α (TNF-α) or its mRNA expression are increased in acute nephrosis of various types including ischemia/reperfusion injury. This study was undertaken to determine whether pentoxifylline (PTX), an inhibitor of TNF-α production, provides a protective effect against hypoxia-induced cell injury in rabbit renal cortical slices. To induce hypoxia-induced cell injury, renal cortical slices were exposed to 100% N₂ atmosphere. Control slices were exposed to 100% O₂ atmosphere. The cell injury was estimated by measuring lactate dehydrogenase (LDH) release and p-aminohippurate (PAH) uptake. Exposure of slices to hypoxia increased the LDH release in a time-dependent manner. However, when slices were exposed to hypoxia in the presence of PTX, the LDH release was decreased. The protective effect of PTX was dose-dependent over the concentrations of 0.05∼1 mM. Hypoxia did not increase lipid peroxidation, whereas an organic hydroperoxide t-butylhydroperoxide (tBHP) resulted in a significant increase in lipid peroxidation. PTX did not affect tBHP-induced lipid peroxidation. Hypoxia decreased PAH uptake, which was significantly attenuated by PTX and glycine. tBHP-induced inhibition of PAH uptake was not altered by PTX, although it was prevented by antioxidant deferoxarnine. The PAH uptake by slices in rabbits with ischemic acute renal failure was prevented by PTX pretreatment. These results suggest that PTX may exert a protective effect against hypoxia-induced cell injury and its effect may due to inhibition of the TNF-α production, but not by its antioxidant action.
Yoon, Jung Joo;Lee, Yun Jung;Lee, So Min;Kim, Dae Hwan;Lee, Ho Sub;Kang, Dae Gill
Herbal Formula Science
/
v.21
no.2
/
pp.53-62
/
2013
Objectives : Diabetic nephropathy is associated with morbidity and mortality of diabetes mellitus patients. Mesangial cell proliferation is known as the major pathologic features such as glomerulosclerosis. Oryeong-san, Korean formula, is widely used for the treatment of nephrosis, edema, and uremia. Oryeong-san is composed of five herbs: Alismatis Rhizoma, Polyporus, Atractylodis Rhizoma Alba, Hoelen, and Cinnamomi Cortex. Methods : The present study was performed to investigate potent inhibitory effect of Oryeong-san on high glucose (HG)-induced rat mesangial cells (RMC) proliferation. Results : RMC proliferation under 25 mM glucose was significantly accelerated compared with 5.5 mM glucose, which was inhibited by Oryeong-san in dose dependent manner. Pre-treatment of Oryeong-san induced down-regulation of cyclins/CDKs and up-regulation of CDK inhibitor, p21waf1/cip1 and p27kip1 expression. In addition, Oryeong-san reduced HG-induced RMC proliferation by suppressed the mitogen-activated protein kinase (MAPK) phospholyration such as extracellular signal regulated kinase (ERK), Jun N-terminal Kinase (JNK), and p38. Oryeong-san significantly suppressed HG-induced ROS production. Conclusions : Oryeong-san consequently inhibited HG-induced mesangial cell proliferation through the inhibition of MAPK and ROS signaling pathway. These results suggest that Oryeong-san may be effective in the treatment of renal dysfunction leading to diabetic nephropathy.
Seo Hyung Ho;Jung Tae Sung;Lee Eun Sil;Shin Son Moon;Park Yong Hoon;Kim Yong Jin
Childhood Kidney Diseases
/
v.3
no.1
/
pp.35-41
/
1999
Purpose The single administration of PAN(Puromycin-Aminonudeoside) to rats results in nephropathy that are similar to human minimal change nephrotic syndrome. Recently several studies indicate the pathophyslological importance of oxygen free radicals in rats with PAN-induced nephrosis. This study was conducted to evaluate the effect of $\alpha$-tocopherol, an oxygen free radical scavenger, on the histologic and biochemical changes of PAN-induced nephrosis in rats. Methods : Twenty-one Sprague-Dawley rats weighing 180-300 gm were divided into 3 groups. In group I (control group), the rats were given saline intraperitoneally for 12 days, in group II the rats were given PAN 7.5mg/100g of body weight intravenously one time and group III PAN intravenously, followed by $\alpha$-tocopherol 0.5 mg/100g of body weight jntramuscularly for 12 days. Twenty four hour urinary protein and creatinine excretion were measured on day 0, 5, 11 and 18. On the 18th day, rats were sacrificed for the determination of total serum protein, albumin and cholesterol levels. To estimate renal injuries by oxygen free radical, lipid peroxide concentration and reduced glutathione were measured in renal cortex. Histological examination in rat glomerular lesions were performed. Results : From the 5th days of PAN administration, urine protein/creatinine of group II and III were significantly increased compared the group I (P<0.05). But, urine protein/creatinine of group III was significantly lower than group II at 18th days (P<0.05). Total serum protein and albumin of group II were significantly lower than those of group III (P<0.05). Serum cholesterol of group II was significantly higher than that of group III (P<0.05). Lipid peroxide and reduced glutathione in renal cortex of group II were significantly higher than that of group I and III (P<0.05). Electron microscopic strudies of group II showed the loss of epithelial foot processes, but in group III showed preservation of epithelial foot processes. Conclusion : PAN-induced nephropathy was ameliorated significant recovery of foot process change and reduction of the urinary protein excretion by antioxidant, $\alpha$-tocopherol.
Purpose : This study was designed to clarify the mechanism of proteinuria in nephrotic syndrome patients by using puromycin aminonucleoside (PAN) nephrosis model. Methods : Following administration of various concentrations of PAN and antioxidants we observed the changes of podocyte cytoskeletons in cultured rat glomerular epithelial cells (GEpC) by method of scanning electron microscope, reactive oxyten species (ROS) analysis, permeability assay, confocal microscope, and Western blot assay. Results : PAN not only induced the ultrastructural changes of GEpC, such as shortening and fusion of microvilli, but also separated the intercellular gaps and linear ZO-1. PAN induced oxidative stresses in time and dose dependent manners and increases of intercellular permeability in anti-oxidants inhibitable manners. High concentration of PAN induced not only actin polymerization and disorganization, but also the conglomerulation and internal dislocation of ${\alpha}-actinin$ protein. The intensities of fluorescences of ZO-1 protein were diminished and internalized by PAN in a dose-dependent manner, which were inhibited by anti anti-oxidants. Conclusion : PAN induced the changes of podocytes cytoskeleton and junctional barriers by way of increasing ROS in GEpC that resulted in increasing their permeability in a antioxidatn-inhibitable manner. Glomerular hyperpermeability induced by PAN mediateing through oxidative stresses is thought to take part in the mechanism of proteinuria in nephrotic syndrome.
Present experiment was performed to establish the optimal reaction conditions for measurement of urinary gamma-glutamyltranspeptidase(${\gamma}$-GTP), N-acetyl-${\beta}$-D-glucosaminidase (AGS) and alanine aminopeptidase(AAP) activities in bovine and to investigate in vitro stability of the enzymes, within-run imprecision of the methods, and normal ranges. 1. The optimal wavelength for measurement of ${\gamma}$-GTP activity was 545nm. 2. The optimal pH of Tris-HCI buffer containing glycylglycine for measurement of urinary ${\gamma}$-GTP activity was 7.6~7.8(37$^{\circ}C$). 3. Coefficient of variance for within-run imprecision of urinary ${\gamma}$-GTP activity ranged from 4.8 to 7.2% and there was no significant difference among replications, 4. The optimal wavelength for measurement of urinary AGS activity was 405nm. 5. The optimal pH of citrate buffer for measurement urinary of AGS activity was 4.0(37$^{\circ}C$). 6. Coefficient of variance for within-run imprecision of urinary AGS activity ranged from 3.9 to 6.1% and there was no significant difference among replications. 7. The optimal wavelength for measurement of urinary AAP activity was 400nm. 8. The optimal pH of phosphate buffer for measurement of urinary AAP was 7.8. 9. Coefficient of variance for within-run imprecision of urinary AAP activity ranged from 2.5 to 4.8% and there was no significant difference among replications. 10. ${\gamma}$-GTP and AGS activities were increased significantly by gel-filtration. 11. Turbidity interfered with measurement of urinary AAP activity in bovine unless the specimen was gel-filterated. 12. Preservation of the specimen at 5$^{\circ}C$ or -20$^{\circ}C$ did not affect the AGS activity at least for 7 days after collection. 13. Preservation of the specimen at 5$^{\circ}C$ or 20$^{\circ}C$ did not affect the ${\gamma}$-GTP and AAP activities statistically, but some individual specimens revealed fluctuation during preservation. 14. ${\gamma}$-GTP, AGS and AAP activities revealed fluctuation by the tine of the day when the specimen was collected. 15. The normal ranges of urinary ${\gamma}$ -GTP, AGS and AAP activities were 6.60${\pm}$3.26(2.36-14.50), 1.31 ${\pm}$ 0.81(0.33-3.78), and 1.73 ${\pm}$ 0.55(0.77-3.03)U/l. respectively.
In order to study the effects of $\alpha$-tocopherol acetate in glomerular injury, the minimal change nephrosis disease was induced by puromycin aminonucleoside (PAN) in spontaneously hypertensive rats, and we examined biochemical analysis in serum and morphological changes. The experimental animals were divided to control, PAN-treated (30 mg/kg, I.p.), vitamin E-treated (200 mg/kg, P.O.), and PAN+vitamin E-treated groups. After PAN injection, the rate of increase of body weight was lower than the other treatments. In addition, at 8 days after PAN injection, total protein content in serum was the lowest, whereas both blood urea nitrogen and serum creatinine contents were the highest in all experimental groups, which their changes of serum parameters were statistically significant. In morphological changes, the glomerular tissue at 8 days after PAN injection clearly showed obstruction of urinary space and proliferation of mesangial cells, and that loss and fusion of pedicles, vacuolization and edema of endothelial cells, and thickness of basal lamina were ultrastructurally showed in the glomerulus. Glomerular injury was significantly prevented by administration of vitamin E having an antioxidant effect. It suggested that the glomerular injury induced by PAN was accelerated by hypertension, and renal dysfunction might be induced by oxidative injury.
Author made a clinical study of 248 cases of pleural effusion patients who were diagnosed and treated at departments of chest surgery and internal medicine, Pusan National University Hospital, during the period from Jan. 1983 to Dec. 1985. The age distribution ranged from 1 to 76 years old and the ratio of male to female was 1.38:1. The cardinal symptoms were chest pain[69.4%], dyspnea[66.1%], cough[57.7%], fever[37.1%], sputum[26.2%], general malais[13.7%] and cyanosis[1.6%] in this order. The causes of pleural effusion were pulmonary tuberculosis[42.4%], pneumonia[23.0%], malignancy[16.5%], congestive heart failure[9.3%], liver cirrhosis[2.8%] and nephrosis[2.0%] in this order. The protein in the pleural effusions was 1.61*0.90[mean*SD] gm% in transudate and 5.05*1.10[Mean*SD] gm% in exudate. In 34 cases[89.5%]out of 38 transudates, the protein was under 3 gm% and in 201 cases [95.7%] out of 210 exudates, the protein was over 3 gm%. The protein ratio of pleural effusion to serum was 0.2650.11[Mean LSD] in transudates and 0.73*0.12[Mean LSD] in exudate. The ratio under 0.5 was in 36 cases[94.8%] out of 38 transudates and over 0.5 was in 206 cases[98.1%] out of 210 exudates. The LDH in the pleural effusion was 114.7550.3[mean*SD] units / ml in transudate and 627.05325.9[mean*SD] units / ml in exudate. The LDH less than 200 units / ml was in 36 cases[94.6%] out of 38 transudates and more than 200 units / ml was in 199 cases[94.7%] out of 210 exudates. The LDH ratio of pleural effusion to serum was 0.34k 0.11[mean*SD] in transudate and 1.15*1.12[mean*SD] in exudate. The LDH ratio of pleural effusion to serum was less than 0.6 in 36 cases[94.8%]out of 38 transudates and more than 0.6 in 200 cases[95.2%] out of 210 exudates. Etiologic organisms were confirmed in 78 cases[48.1%] among the requested 162 cases. In the 78 cases of etiologic organisms, staphylococcus was 33 cases[20.3%], streptococcus 24 cases[14.8%], Klebsiella pneumonia 7 cases[4.3%], pseudomonas 6 cases[3.7%], E. coli[3.1%], enterobacter 3 cases[1.9%]. 43 patient of pleural effusion from malignancy were undergone three or more thoracenteses. In 13 cases[31.7%], three specimen were negative and in 7 cases[17.1%], three specimens were positive for malignancy. In the remaining of 21 cases[51.2%], malignant cells were found in one or more of the specimens but not in all. Methods of treatment of pleural effusion by closed thoracotomy was 188 cases[75.8%], thoracentesis 27 cases[10.9%], decortication 16 cases[6.5%], thoracoplasty 6 cases[2.4%] and decortication with thoracoplasty 3 cases[1.2%].
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