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Journal of Experimental Pathology最新文献

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Lectin histochemistry in ulcerative colitis and Crohn's disease. 溃疡性结肠炎和克罗恩病凝集素组织化学研究
Journal of Experimental Pathology Pub Date : 1989-01-01
H Yoshioka, M Inada, K Ogawa, G Ohshio, H Yamabe, Y Hamashima, T Miyake
{"title":"Lectin histochemistry in ulcerative colitis and Crohn's disease.","authors":"H Yoshioka,&nbsp;M Inada,&nbsp;K Ogawa,&nbsp;G Ohshio,&nbsp;H Yamabe,&nbsp;Y Hamashima,&nbsp;T Miyake","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>The glycoconjugate composition of intestinal goblet cell mucin was characterized according to the anatomical distribution of lectin-binding sites in surgically resected intestinal tissues and mucosal biopsy specimens obtained from 38 control subjects, and from 32 patients with the active phase of ulcerative colitis, and 12 with Crohn's disease. Immunoperoxidase labeling studies found that in control tissues binding by Soybean Agglutinin (SBA), Dolichos Biflorus Agglutinin (DBA), Wheatgerm Agglutinin (WGA), and Ricinus Communis Agglutinin-120 (RCA-120) was consistently higher than that of Peanut Agglutinin (PNA), Ulex Europaeus Agglutinin-1 (UEA-1), Concanavalin A (ConA) and Helix Pomatia Agglutinin (HPA). Tissues from ulcerative colitis and Crohn's disease patients, showed increases in DBA and SBA binding, a reduction in HPA binding, and changes in the distribution of PNA, UEA-1, RCA-120, and HPA labeling sites. These results demonstrated that the expression of lectin-binding sites on human intestinal goblet mucin was specifically altered in ulcerative colitis and Crohn's disease, thus possibly providing another approach to the assessment of neoplastic risk on these diseases.</p>","PeriodicalId":73745,"journal":{"name":"Journal of Experimental Pathology","volume":"4 2","pages":"69-78"},"PeriodicalIF":0.0,"publicationDate":"1989-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"13909112","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Effect of ischemia and 24 hour reperfusion on ATP synthesis in the rat kidney. 缺血和24小时再灌注对大鼠肾脏ATP合成的影响。
Journal of Experimental Pathology Pub Date : 1989-01-01
C E Irazu, E Ruidera, I Singh, J K Orak, C T Fitts, P R Rajagopalan
{"title":"Effect of ischemia and 24 hour reperfusion on ATP synthesis in the rat kidney.","authors":"C E Irazu,&nbsp;E Ruidera,&nbsp;I Singh,&nbsp;J K Orak,&nbsp;C T Fitts,&nbsp;P R Rajagopalan","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>The ability of renal tissue to synthesize ATP was examined in adult Sprague Dawley Rats immediately following normothermic ischemia of 30, 45, 60 and 90 minutes and upon reperfusion for 24 hours. Following ischemia the rate of ATP synthesis decreased progressively. It was 64.5% of the control at 45 minutes and 10.4% after 90 minutes of ischemia. Reperfusion of the ischemic kidneys for 24 hours restored ATP biosynthesis to control, nonischemic levels in kidneys subjected to ischemia up to 45 minutes (101.8 +/- 13.9% vs 64.5 +/- 2.5% p less than 0.02). However, after 60 minutes of ischemia, reperfusion had no effect (59.3 +/- 4.4% vs 51.7 +/- 7.5%) and reperfusion following 90 minutes of ischemia was associated with decrease ATP synthesis (10.4 +/- 2.2% vs 3.3 +/- 0.9% p less than .001). We conclude that mitochondrial function is restored by reperfusion when normothermic ischemic interval is 45 minutes or less. However, ischemic intervals longer than 45 minutes produce non-reversible impairment of ATP synthesis and the marked reduction following 90 minutes of ischemia signifies possible transition to a non-viable state.</p>","PeriodicalId":73745,"journal":{"name":"Journal of Experimental Pathology","volume":"4 1","pages":"29-36"},"PeriodicalIF":0.0,"publicationDate":"1989-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"13916658","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Reye syndrome: rate of oxidation of fatty acids in leukocytes and serum levels of lipid peroxides. 雷氏综合征:白细胞中脂肪酸的氧化率和血清脂质过氧化物水平。
Journal of Experimental Pathology Pub Date : 1989-01-01
Y Yoshida, I Singh, A K Singh, F W Tecklenberg, F R Brown, C P Darby
{"title":"Reye syndrome: rate of oxidation of fatty acids in leukocytes and serum levels of lipid peroxides.","authors":"Y Yoshida,&nbsp;I Singh,&nbsp;A K Singh,&nbsp;F W Tecklenberg,&nbsp;F R Brown,&nbsp;C P Darby","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>We examined the oxidation of different chain length fatty acids in the leukocytes and the quantity of lipid peroxides in the plasma of two Reye syndrome patients. We have found that the oxidation of [1-14C] octanoic acid in homogenates of leukocytes from one of the Reye syndrome patients was only 38 percent of the control, whereas oxidation of [1-14C] palmitic and [1-14C] lignoceric acid was slightly increased. The level of lipid peroxides in the serum of both of the Reye Syndrome patients was 4.42 and 3.04 times higher than the control level. These results suggest that impaired oxidation of medium chain fatty acids (octanoic acid) and higher levels of lipid peroxides may contribute to the pathogenesis of cellular toxicity in Reye Syndrome. Reye Syndrome (RS) was first described by Reye et. al. in 1963 and is now recognized as an important cause of morbidity and mortality in infants and children. The clinical course in RS consists of an antecedent viral illness with subsequent encephalopathy and hepatic dysfunction. Laboratory findings in RS include hypoglycemia, hyperammonemia, free fatty acidemia, elevated organic acids and amino aciduria. The ultrastructural findings in RS patients include changes in mitochondria, smooth endoplasmic reticulum morphology, and an increase in the number of peroxisomes. The elevation of serum free fatty acids in RS and their decrease in patients who improve clinically suggests a disturbance in fatty acid metabolism. To understand the role of free fatty acids in the pathogenesis of RS, we examined the levels of lipid peroxides in plasma and catabolism of fatty acids of different chain lengths in leukocytes from RS patients.</p>","PeriodicalId":73745,"journal":{"name":"Journal of Experimental Pathology","volume":"4 3","pages":"133-9"},"PeriodicalIF":0.0,"publicationDate":"1989-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"13909120","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Immunohistochemical localization of the actin in the healing stage of gastric ulcers. 胃溃疡愈合期肌动蛋白的免疫组织化学定位。
Journal of Experimental Pathology Pub Date : 1987-01-01
H Yoshioka, G Ohshio, M Inada, Y Hamashima, T Miyake
{"title":"Immunohistochemical localization of the actin in the healing stage of gastric ulcers.","authors":"H Yoshioka,&nbsp;G Ohshio,&nbsp;M Inada,&nbsp;Y Hamashima,&nbsp;T Miyake","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>Healing gastric ulcers were examined immunohistochemically for the presence of myofibroblasts containing actin microfilaments. Twenty five surgical specimens of the gastric ulcer corresponding to the initial healing stage and the proliferative healing stage, and 30 surgical specimens of the acetic acid-induced ulcers in rats at 3, 8 (initial healing stage), and 15 (proliferative healing stage) days after ulcer induction were fixed and cut into 4-micron sections, which were then treated with anti-actin serum, peroxidase-antiperoxidase and incubated for the localization of actin. Controls were prepared using non-immune serum or preabsorbed immune serum. Actin-positive fibroblasts were seen at the edge and the floor of the ulcer in the initial healing stage, but not in the edge of the ulcer in the proliferative healing stage. Such cells may be responsible for the contraction of the ulcer caliver observed clinically in the initial healing stage of the gastric ulcer.</p>","PeriodicalId":73745,"journal":{"name":"Journal of Experimental Pathology","volume":"3 3","pages":"271-80"},"PeriodicalIF":0.0,"publicationDate":"1987-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"14574455","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Antitumor effects of interferons. 干扰素的抗肿瘤作用。
Journal of Experimental Pathology Pub Date : 1987-01-01
R M Friedman
{"title":"Antitumor effects of interferons.","authors":"R M Friedman","doi":"","DOIUrl":"","url":null,"abstract":"","PeriodicalId":73745,"journal":{"name":"Journal of Experimental Pathology","volume":"3 2","pages":"203-27"},"PeriodicalIF":0.0,"publicationDate":"1987-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"13593063","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Tissue staining properties of lectins from the seeds of the jack fruit (Artocarpus integrifolia) and the winged bean (Psophocarpus tetragonolobus). 杰克果(Artocarpus integrifolia)和飞豆(Psophocarpus tetragonolobus)种子凝集素的组织染色特性。
Journal of Experimental Pathology Pub Date : 1987-01-01
T Vijayakumar, D Robertson, D McIntosh, J A Forrester
{"title":"Tissue staining properties of lectins from the seeds of the jack fruit (Artocarpus integrifolia) and the winged bean (Psophocarpus tetragonolobus).","authors":"T Vijayakumar,&nbsp;D Robertson,&nbsp;D McIntosh,&nbsp;J A Forrester","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>N-acetyl-D-galactosamine binding lectins from winged bean (Psophocarpus tetragonolobus) and jack fruit (Artocarpus integrifolia) were isolated, purified and conjugated with horse radish peroxidase and their tissue staining properties studied. Despite having an apparently common inhibiting sugar, the lectins showed differences in their staining properties. The lectin from the winged bean stained none of the mouse and human tissues tried even after neuraminidase treatment whereas the jack fruit lectin stained most of the untreated cells. The staining was found to be improved by the prior treatment of the cells with neuraminidase and inhibited completely by the inhibiting sugar. The differences in the staining properties of the lectins are discussed.</p>","PeriodicalId":73745,"journal":{"name":"Journal of Experimental Pathology","volume":"3 3","pages":"281-93"},"PeriodicalIF":0.0,"publicationDate":"1987-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"13599651","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Interferon in AIDS. 艾滋病中的干扰素。
Journal of Experimental Pathology Pub Date : 1987-01-01
S E Krown, F X Real, S Vadhan-Raj, H F Oettgen
{"title":"Interferon in AIDS.","authors":"S E Krown,&nbsp;F X Real,&nbsp;S Vadhan-Raj,&nbsp;H F Oettgen","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>Interferons are natural proteins with important regulatory functions. Impairment of their production may help to explain many of the immunologic abnormalities and disease susceptibilities of AIDS patients, while excessive production of an unusual type of interferon may explain some of the systemic symptoms associated with the syndrome. In a subset of patients, alpha interferons may have therapeutic potential against a major complication of the syndrome, Kaposi's sarcoma. Finally, both alpha and gamma interferons have potential, but as yet unexplored roles to play in the treatment of HTLV-III/LAV viremia and in the control of secondary infectious complications of the syndrome.</p>","PeriodicalId":73745,"journal":{"name":"Journal of Experimental Pathology","volume":"3 4","pages":"681-91"},"PeriodicalIF":0.0,"publicationDate":"1987-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"13603617","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
A preliminary report on three AIDS Patients treated with anti-HIV specific transfer factor. 抗hiv特异性转移因子治疗3例艾滋病患者的初步报告。
Journal of Experimental Pathology Pub Date : 1987-01-01
D Viza, A Lefesvre, M Patrasco, J Phillips, N Hebbrecht, G Laumond, J M Vich
{"title":"A preliminary report on three AIDS Patients treated with anti-HIV specific transfer factor.","authors":"D Viza,&nbsp;A Lefesvre,&nbsp;M Patrasco,&nbsp;J Phillips,&nbsp;N Hebbrecht,&nbsp;G Laumond,&nbsp;J M Vich","doi":"","DOIUrl":"","url":null,"abstract":"","PeriodicalId":73745,"journal":{"name":"Journal of Experimental Pathology","volume":"3 4","pages":"653-9"},"PeriodicalIF":0.0,"publicationDate":"1987-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"14577338","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Thymostimulin treatment in cases of AIDS and ARC. 促胸腺激素治疗艾滋病和ARC病例。
Journal of Experimental Pathology Pub Date : 1987-01-01
E Raise, L Bonazzi, G Di Giandomenico, S Sabbatini, M L Schiattone, B Di Pede, R Gallo, M Savoia, M Martuzzi
{"title":"Thymostimulin treatment in cases of AIDS and ARC.","authors":"E Raise,&nbsp;L Bonazzi,&nbsp;G Di Giandomenico,&nbsp;S Sabbatini,&nbsp;M L Schiattone,&nbsp;B Di Pede,&nbsp;R Gallo,&nbsp;M Savoia,&nbsp;M Martuzzi","doi":"","DOIUrl":"","url":null,"abstract":"","PeriodicalId":73745,"journal":{"name":"Journal of Experimental Pathology","volume":"3 4","pages":"745-50"},"PeriodicalIF":0.0,"publicationDate":"1987-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"14577341","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Interleukin-2 in the treatment of infiltrating bladder cancer. 白细胞介素-2在浸润性膀胱癌治疗中的作用。
Journal of Experimental Pathology Pub Date : 1987-01-01
G Pizza, F Berton, S Casanova, C De Vinci, F Corrado
{"title":"Interleukin-2 in the treatment of infiltrating bladder cancer.","authors":"G Pizza,&nbsp;F Berton,&nbsp;S Casanova,&nbsp;C De Vinci,&nbsp;F Corrado","doi":"","DOIUrl":"","url":null,"abstract":"","PeriodicalId":73745,"journal":{"name":"Journal of Experimental Pathology","volume":"3 4","pages":"525-31"},"PeriodicalIF":0.0,"publicationDate":"1987-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"14626685","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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