Intercellular communication by extracellular vesicles with emphasis on the roles of cordocytes in the human brain. An ultrastructural study.

abstract：:It is now apparent that light microscopy and histochemistry failed to identify correctly the nature and composition of pigments in various gastrointestinal tract melanoses. In most instances it was thought that the pigment was melanin or a melanin-like substance. Electron microscopy (EM) and electron-probe energy disp...

journal_title：Ultrastructural pathology

authors： Ghadially FN,Walley VM

更新日期：1995-07-01 00:00:00

abstract：:A glomangioma (glomus tumor) arising in the pituitary region is described. The histologic and ultrastructural features were characteristic. The tumor was composed of epithelioid cells arranged in an organoid fashion around vascular channels and contained scattered mast cells. Electron microscopy revealed tumor cells t...

journal_title：Ultrastructural pathology

authors： Asa SL,Kovacs K,Horvath E,Ezrin C,Weiss MH

更新日期：1984-01-01 00:00:00

abstract：:A peculiar hyaline sarcoplasmic inclusion in the atrial myocytes of old female Syrian hamsters is described. This type of inclusion resembles that described in rare human cardiomyopathy. They have also been described in other rodents and have been speculated eventually to contain atrial natriuretic factor (ANF). The p...

journal_title：Ultrastructural pathology

authors： Gilloteaux J,Jennes L,Stoeckel ME,Vanderhaeghen JJ

更新日期：1994-01-01 00:00:00

abstract：:Microsporidia are ubiquitous obligate eukaryotic intracellular parasites that are now felt to be more akin to degenerate fungi than to protozoa. Microsporidia can be highly pathogenic, causing a broad range of symptoms in humans, especially individuals who are immunocompromised. The vast majority of human cases of mic...

journal_title：Ultrastructural pathology

authors： Orenstein JM,Russo P,Didier ES,Bowers C,Bunin N,Teachey DT

更新日期：2005-05-01 00:00:00

abstract：:In vitro studies have provided much information regarding the process of glomerular AL-amyloidogenesis. Research efforts have been successful in deciphering how glomerulopathic light chains interact with mesangial cells. The sequential steps involved in the genesis of amyloid fibrils include interactions with surface ...

journal_title：Ultrastructural pathology

authors： Teng J,Turbat-Herrera EA,Herrera GA

更新日期：2014-04-01 00:00:00

abstract：:By means of optical and electron microscopy and by atomic absorption spectrophotometry in a graphite chamber, this study evaluated the effect of temperature (22-35 degrees C) on lesions in the kidney, liver, and brain, and on concentrations of lead caused by the administration of 2 and 5 mg/kg/IP of lead acetate to Sw...

journal_title：Ultrastructural pathology

authors： Vicente-Ortega V,Martínez-García AF,Cremades-Campos A,Rodríguez-Vicente J,Calderón-Rubiales F,Martínez-Díaz F

更新日期：1996-05-01 00:00:00

abstract：:Prolonged storage of Karnovsky's fixative, at both 4 and -20 degrees C, is possible in the diagnostic electron microscopy setting. Ultrastructural detail was not compromised in specimens processed in fixative that had been stored for 6 months. Evidence of smooth muscle and neuroendocrine differentiation was present in...

journal_title：Ultrastructural pathology

authors： Mount SL,Schwarz JE,Taatjes DJ

更新日期：1997-03-01 00:00:00

abstract：:Six intradermal melanocytic nevi, two with and four without intercellular slitlike spaces, were examined by light microscopy and electron microscopy of deparaffinized tissue. The spaces were partially lined by elongated nevus cells and contained a few collagen fibrils. Other features in both groups included an abundan...

journal_title：Ultrastructural pathology

authors： Fresko O,Sidhu GS

更新日期：1980-07-01 00:00:00

abstract：:Electron-microscopic analysis of the ultrastructure of the Krebs-2 carcinoma ascites cells in the first 90 min immediately after their exposure to fragmented double-stranded DNA has been performed. Morphological attributes of the treated cancer cells indicate the induction in these cells of destructive processes of pr...

journal_title：Ultrastructural pathology

authors： Kirikovich SS,Taranov OS,Omigov VV,Potter EA,Dolgova EV,Proskurina AS,Efremov YR,Bogachev SS

更新日期：2019-01-01 00:00:00

abstract：:The aim of this study is to investigate the effects of betulinic acid (BA) on triple-negative breast cancer MDA-MB-231 cells and observe the ultrastructural changes. The concentration of BA required to induce apoptosis in MDA-MB-231 cells has been previously reported. In this study, a cell counting kit-8 proliferation...

journal_title：Ultrastructural pathology

authors： Gao Y,Ma Q,Ma YB,Ding L,Xu XL,Wei DF,Wei L,Zhang JW

更新日期：2018-01-01 00:00:00

abstract：:The ultrastructural appearance of an endometrial stromal nodule with prominent smooth and skeletal muscle differentiation is described. This is the first reported case of endometrial stromal nodule with a heterologous skeletal muscle component and emphasizes the value of electron microscopy and its correlation with im...

journal_title：Ultrastructural pathology

authors： Lloreta J,Prat J

更新日期：1993-05-01 00:00:00

abstract：:Liver biopsies from 16 children with clinical and pathologic evidence of chronic hepatitis have been examined by electron microscopy for cytoplasmic and nuclear changes. Parallel studies by radioimmunoassay on sera from the same patients support the diagnosis of all these cases as non-A, non-B hepatitis (NANB). Ultrat...

journal_title：Ultrastructural pathology

authors： Herrera MI,Vindel AM,Alonso M,Moreno P,Pérez Alvarez L,Jara P,Díaz MC

更新日期：1985-01-01 00:00:00

abstract：:The morphology, karyotype, in vitro growth properties, and expression of tyrosine kinase receptors and proto-oncogenes are reported for a newly established large cell undifferentiated lung carcinoma cell line (RVH-6849). The results were analyzed concomitantly with those for two well-established cell lines from an ade...

journal_title：Ultrastructural pathology

authors： Wang NS,Liu C,Emond J,Tsao MS

更新日期：1992-07-01 00:00:00

abstract：:Mercuric chloride (HgCl(2)) produces an acute renal failure in experimental animal models. Since the mechanism of tubular injury has not completely been clarified, this morpho-quantitative study was undertaken to better understand the effects of 2 sublethal doses (T1=1 mg/kg and T3.5=3.5 mg/kg) of HgCl(2) in rat proxi...

journal_title：Ultrastructural pathology

authors： Stacchiotti A,Borsani E,Rodella L,Rezzani R,Bianchi R,Lavazza A

更新日期：2003-07-01 00:00:00

abstract：:Myeloid histocytes of dendritic cells (DCs), Langerhans cells (LCs), and macrophages in varied tissues, as leukemic blasts in acute monoblastic and monocytic leukemia (AML-M5a and M5b), are derived from monocyte progenitors in bone marrow. Based on DC induction from hematopoietic stem cells, myeloid progenitors, and m...

journal_title：Ultrastructural pathology

authors： Ru YX,Dong SX,Zhao SX,Liang HY,Wang HJ,Hu X,Mi YC,Wang JX

更新日期：2016-01-01 00:00:00

abstract：:Monomorphous pituitary adenomas expressing several hormones by immunocytochemistry are common, whereas adenomas displaying multiple immunoreactivities and consisting of more than one morphologic cell types are rare. Three such unusual pituitary adenomas, surgically removed from two patients with acromegaly and one pat...

journal_title：Ultrastructural pathology

authors： Vidal S,Syro L,Horvath E,Uribe H,Kovacs K

更新日期：1999-05-01 00:00:00

abstract：:Four cases of epithelioid hemangioendothelioma of bone--a borderline malignant tumor of vascular origin--were studied ultrastructurally and immunohistochemically. The epithelioid tumor cells were positive for vimentin, polyclonal and monoclonal cytokeratins, and the endothelial markers factor VIII-related antigen (FVI...

journal_title：Ultrastructural pathology

authors： van Haelst UJ,Pruszczynski M,ten Cate LN,Mravunac M

更新日期：1990-03-01 00:00:00

abstract：:This article reviews literature on the transition from rudimentary prokaryotic life to eukaryotes. An overview of the differences between these organisms and theories of eukaryogenesis are reviewed. Various methods of investigating the transformation from prokaryotes to eukaryotes are elaborated, including the fossil,...

journal_title：Ultrastructural pathology

authors： Kostianovsky M

更新日期：2000-03-01 00:00:00

abstract：:The morphological changes found in kidneys of patients undergoing chronic Cyclosporine A (CSA) treatment could, despite of numerous attempts, not yet be reproduced in reliable experimental models. The purpose of the present investigation was to systematically scan the in vivo fixed kidneys in CSA treated Wistar rats a...

journal_title：Ultrastructural pathology

authors： Fasel J,Kaissling B,Ludwig KS,Ryffel B,Mihatsch MJ

更新日期：1987-01-01 00:00:00

abstract：:We report here ultrastructural and immunohistochemical studies of neuroblastic differentiation in the retrospective (n = 17) and prospective (n = 26) series of primitive neuroectodermal tumors (PNETs). By electron microscopy, neuritelike structures containing parallel-oriented microtubules, adhesive plaque junctions, ...

journal_title：Ultrastructural pathology

authors： Papierz W,Alwasiak J,Kolasa P,Wegrzyn Z,Zakrzewski K,Polis L,Debiec-Rychter M,Liberski PP

更新日期：1995-05-01 00:00:00

abstract：:Thickening of capillary walls is a feature of many glomerular diseases. Widening of the wall may be produced by deposits and other changes affecting either subepithelial and subendothelial regions or the glomerular basement membrane itself. Careful light microscopic examination using special stains can distinguish som...

journal_title：Ultrastructural pathology

authors： Seymour AE,Canny A,Spargo BH

更新日期：1983-03-01 00:00:00

abstract：:A cystadenoma arose in the urachus of a 32-year-old man. The mass was a multilocular cystic tumor filled with light yellow mucoid material. It was located in the anterior abdominal wall between the umbilicus and the dome of the urinary bladder. Overall, the mass was 14 cm x 8 cm x 5 cm, with the largest internal cyst ...

journal_title：Ultrastructural pathology

authors： Hull MT,Warfel KA

更新日期：1994-09-01 00:00:00

abstract：:Morphologic evidence of intercellular junctions was found between polymorphonuclear leukocytes (PMNs) and between PMNs and tumor cells. All these junctions displayed electron-dense plaques along the plasma membranes with linear spaces in between. These plaques were finely granular and devoid of filaments. Fine granule...

journal_title：Ultrastructural pathology

authors： Tang CK

更新日期：1983-09-01 00:00:00

abstract：:A case of a malignant meningioma arising in the left parapharyngeal space in a 29-year-old woman is reported. Electron microscopic examination of the tumor was critical in establishing the diagnosis. Meningiomas of the parapharyngeal space are extremely rare. This constitutes the first malignant case documented in thi...

journal_title：Ultrastructural pathology

authors： Dominguez-Malagon H,Ordóñez NG

更新日期：1996-01-01 00:00:00

abstract：:A 28-year-old man presented with left cervical lymph node metastases and a 7-cm mass in the left lobe of the liver. Biopsy material from both sites revealed a fibrolamellar hepatocarcinoma (FLHC) with immunocytochemical and ultrastructural evidence of neurosecretory differentiation. The patient refused treatment. He d...

journal_title：Ultrastructural pathology

authors： Lloreta J,Vadell C,Fabregat X,Serrano S

更新日期：1994-01-01 00:00:00

abstract：:Two problematic spindle cell sarcomas involving upper jawbones in two adult male patients have been studied by histology, immunohistochemistry, and transmission electron microscopy, and respectively graded as low-grade malignancy and high-grade malignancy. While any single methodological study did not allow confident ...

journal_title：Ultrastructural pathology

authors： Bisceglia M,Tricarico N,Minenna P,Magro G,Pasquinelli G

更新日期：2001-09-01 00:00:00

abstract：:In a vascular anomaly showing moderate edema, the extracellular space appeared apparently normal, exhibiting a membrane to membrane space of about 20 nm in width. In congenital hydrocephalus, this space appeared notably enlarged and occupied by an electron transparent, nonproteinaceous interstitial edema fluid, due to...

journal_title：Ultrastructural pathology

authors： Castejon OJ

更新日期：2009-01-01 00:00:00

abstract：:A spectrum of 24 benign and malignant nerve sheath tumors and 10 non-neural spindle-cell tumors were studied by light microscopy for the presence of glial fibrillary acidic protein (GFAP) immunoreactivity by the peroxidase-antiperoxidase (PAP) technique. In 8 cases, these results were compared to their electron micros...

journal_title：Ultrastructural pathology

authors： Memoli VA,Brown EF,Gould VE

更新日期：1984-01-01 00:00:00

abstract：:Blastic plasmacytoid dendritic cell neoplasm (BPDCN) is a rare aggressive lymphoma derived from plasmacytoid dendritic cells or precursor dendritic cells. Despite some 240 reported cases, its morphology and especially ultrastructure has not been satisfactorily studied. A case is reported of a 13 year old boy, who, des...

journal_title：Ultrastructural pathology

authors： Ru Y,Zhang P,Dong S,Wang H,Zhao S,Mi Y,Eyden B

更新日期：2014-02-01 00:00:00

abstract：:Aggregates of parallel microtubules have been found within cisternae of the rough endoplasmic reticulum in cells of six human metastatic melanomas. The tubules have a uniform diameter and regular spacing and in longitudinal sections can be seen to possess a fine periodicity. They are compared with tubuloreticular incl...

journal_title：Ultrastructural pathology

authors： Mackay B,Ayala AG

更新日期：1980-01-01 00:00:00