Abstract:
:The main objective of this ultrastructural study was to gain a better understanding of the involvement of brain vasculature in clearance of proteins from edematous fluid. For this purpose, both native and modified (cationized, glucosylated, and mannosylated) bovine serum albumin-gold complexes (BSA-G, catBSA-G, glucBSA-G and manBSA-G respectively) dissolved in phosphate-buffered saline (PBS) were infused (10 microliters) into mouse cerebral cortex. Samples of brain were taken at 30 min, 1 h, and 24 h post-infusion for electron microscopical examination. All BSA-G complexes were rapidly taken up and deposited inside the cytoplasm of pericytes and of various glial cells (microglia and eventually astrocytes) located in the area adjacent to the infusion site. Only glucBSA-G particles also appeared inside the nuclei of some cells. In the applied experimental conditions and at the examined time intervals, neither BSA-G nor catBSA-G and glucBSA-G complexes were transported back to the bloodstream, although they entered vascular basement membrane and were eventually internalized in the endosomes or multivesicular bodies of the endothelial cells. Only a few gold particles representing the manBSA-G complex were found inside the vascular lumen, suggesting their reverse transport to a rather small degree. The mechanism of this transport, however, remains unclear. Complexes of catBSA-G were apparently trapped by the negatively charged vascular basement membrane and remained in this structure without any further significant uptake by the endothelial cells. These observations suggest that large size and multimeric nature of albumin-gold complexes are limiting factors making it difficult to interpret the results and hampering their relevance to the clearance in vivo of native albumin from brain edematous fluid.
journal_name
Histol Histopatholjournal_title
Histology and histopathologyauthors
Dobrogowska DH,Lossinsky AS,Vorbrodt AWdoi
10.14670/HH-13.647subject
Has Abstractpub_date
1998-07-01 00:00:00pages
647-56issue
3eissn
0213-3911issn
1699-5848journal_volume
13pub_type
杂志文章abstract::Glaucoma is a neurodegenerative disease characterized by progressive loss of retinal ganglion cell axons and their cell bodies in the retina. Elevated intraocular pressure (IOP) is considered to be the major risk factor associated with the development of this neuropathy. Randomized controlled clinical trials have demo...
journal_title:Histology and histopathology
pub_type: 杂志文章,评审
doi:10.14670/HH-22.1399
更新日期:2007-12-01 00:00:00
abstract::Unlike other B cells, plasma cells (PC) react with only a few antibodies against haemopoietic antigens. We investigated 36 specimens exhibiting a reactive increase in PC numbers (i.e. plasmacytosis, PC hyperplasia) with a broad panel of antibodies suitable for use on formalin-fixed, paraffin-embedded tissue, and compa...
journal_title:Histology and histopathology
pub_type: 杂志文章
doi:10.14670/HH-14.805
更新日期:1999-07-01 00:00:00
abstract::The response of the SON to various forms of stress is well documented. However, the effect of operative stress, which is a common and important clinical event requiring the mediation of vasopressin, has largely escaped attention. The present report describes the ultrastructural changes in the neurons of the caudal (re...
journal_title:Histology and histopathology
pub_type: 杂志文章
doi:
更新日期:1988-04-01 00:00:00
abstract::Takeda-G-protein-receptor-5 (TGR5) is a receptor for bile acids and its expression has been described in a variety of tissues and species. Characterization of TGR5 distribution and function has been investigated in drug discovery for the treatment of metabolic diseases in humans. Because dogs are one of the species us...
journal_title:Histology and histopathology
pub_type: 杂志文章
doi:10.14670/HH-18-025
更新日期:2019-01-01 00:00:00
abstract::The presence of synaptophysin, a presynaptic Ca2+ binding glycoprotein, has been analyzed in the cochlear nucleus complex of the adult cat using an antisynaptophysin monoclonal antibody. Synaptophysin immunoreactivity was differently distributed between regions of cochlear nuclei. Terminal boutons contacting directly ...
journal_title:Histology and histopathology
pub_type: 杂志文章
doi:10.14670/HH-13.415
更新日期:1998-04-01 00:00:00
abstract::The ultrastructure of pinealocytes was studied in rats with 7,12-dimethylbenz(a)anthracene-induced mammary tumors which were subjected to experimental manipulations known as enhancers of pineal actions (anosmia, underfeeding or cold exposure). In these animals we found: (I)--more nuclei with deep nuclear invaginations...
journal_title:Histology and histopathology
pub_type: 杂志文章
doi:
更新日期:1989-04-01 00:00:00
abstract::Our previous study on human skeletal muscle undergoing ischemia and reperfusion has revealed that granulocytes, which infiltrate the muscle tissue in large numbers, play an important role in mediating fibre injuries by producing superoxide anion (O2-) which is responsible for membrane lipid peroxidation. In the curren...
journal_title:Histology and histopathology
pub_type: 杂志文章
doi:
更新日期:1994-10-01 00:00:00
abstract::The study aimed at determining levels of metallothionein (MT) and Ki-67 antigen expression in adenocarcinomas of large intestine and examining relation of the expression levels with various clinical and pathological variables. The studies were performed on 81 cases of large intestine adenocarcinoma. Using immunocytoch...
journal_title:Histology and histopathology
pub_type: 临床试验,杂志文章
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更新日期:2003-04-01 00:00:00
abstract::In this article we review immunocytochemical localization studies using a monoclonal antibody raised against the 31 kD subunit of bovine H(+)-ATPase, and indirect immunofluorescent staining. In the proximal tubules there is intense H(+)-ATPase staining along the brush borders of S1 and S2, and linear subvillar invagin...
journal_title:Histology and histopathology
pub_type: 杂志文章,评审
doi:
更新日期:1997-07-01 00:00:00
abstract::The distribution of peptidergic nerves in canine mammary tissues was studied by immunohistochemical techniques. In addition, the general and the noradrenergic innervations were demonstrated using protein gene product 9.5 and tyrosine hydroxylase immunoreactivities as markers, respectively. Tissue specimens from the ca...
journal_title:Histology and histopathology
pub_type: 杂志文章
doi:10.14670/HH-22.1175
更新日期:2007-11-01 00:00:00
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journal_title:Histology and histopathology
pub_type: 杂志文章
doi:10.14670/HH-20.1173
更新日期:2005-10-01 00:00:00
abstract::A quantitative study regarding the age-related changes occurring in the somatic organelles of the neocerebellar Purkinje cell is carried out, using female rats aged 2 to 24 months. Standard manual morphometric techniques are used to calculate the following parameters: somatic volume, volumetric fractions and absolute ...
journal_title:Histology and histopathology
pub_type: 杂志文章
doi:
更新日期:1991-01-01 00:00:00
abstract::Snake-like chromatin (SLC) is a nuclear alteration occurring under various pathological conditions and in different tissues. The aim of this study was the morphological and immunocytochemical characterization of SLC-positive conjunctival epithelial cells from keratoconjunctivitis sicca (KCS) patients. Impression cytol...
journal_title:Histology and histopathology
pub_type: 杂志文章
doi:10.14670/HH-21.355
更新日期:2006-04-01 00:00:00
abstract::Nitric oxide (NO) has opened a new and vigorous field of biological and clinical experimentation as evidenced presently by about one hundred original publications every week. Being a biological signal under physiological conditions, NO may be
journal_title:Histology and histopathology
pub_type: 杂志文章,评审
doi:
更新日期:1997-01-01 00:00:00
abstract::The corneal structure of three deep-sea species of teleosts (Gadiformes, Teleostei) from different depths (250-4000 m) and photic zones are examined at the level of the light and electron microscopes. Each species shows a similar but complex arrangement of layers with a cornea split into dermal and scleral components....
journal_title:Histology and histopathology
pub_type: 杂志文章
doi:10.14670/HH-13.325
更新日期:1998-04-01 00:00:00
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journal_title:Histology and histopathology
pub_type: 杂志文章
doi:10.14670/HH-26.965
更新日期:2011-08-01 00:00:00
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journal_title:Histology and histopathology
pub_type: 杂志文章
doi:
更新日期:2013-04-01 00:00:00
abstract::This report describes the gross, histopathological, immunocytochemical and electron microscopic findings in a cat with systemic cryptococcosis and feline immunodeficiency virus (FIV) infection. Lymphadenopathy and cloudiness of leptomeninges were the major gross findings. Numerous cryptococcal yeasts were found in lym...
journal_title:Histology and histopathology
pub_type: 杂志文章
doi:
更新日期:1994-04-01 00:00:00
abstract::Laminin (LAM) and fibronectin (FI) are regarded as major components of the glomerular extracellular matrix. The aim of this study was to define the distribution of LAM and FI in primary glomerulonephritis (GN) and GN of systemic lupus erythematosus (SLE) and to correlate the type of glomerular disorders with possible ...
journal_title:Histology and histopathology
pub_type: 杂志文章
doi:
更新日期:1993-07-01 00:00:00
abstract::In the present work we analyze the cerebellum of chronic parkinsonian monkeys in order to clarify whether chronic mesencephalic depletion is associated with long term activation of the cerebellar neurons in chronic Parkinsonism. In our study, we observed a persistent activation of Purkinje cells in the cerebellum of c...
journal_title:Histology and histopathology
pub_type: 杂志文章
doi:10.14670/HH-27.89
更新日期:2012-01-01 00:00:00
abstract::Immunocytochemical demonstration of metallothionein (MT) has been reported as a useful prognostic tool in human breast cancer. The aim of this study was to determine the immunohistochemical location of MT in canine mammary tumours and its possible correlation with the morphologic characteristics of these tumours. Surg...
journal_title:Histology and histopathology
pub_type: 杂志文章
doi:10.14670/HH-14.51
更新日期:1999-01-01 00:00:00
abstract::The population of the world grows every year, and life expectancy tends to increase. Thus, long-term preservation of teeth in aged individuals is an urgent issue. The main causes of tooth loss are well known to be periodontitis, caries, fractures, and orthodontic conditions. Although implant placement is a widely acce...
journal_title:Histology and histopathology
pub_type: 杂志文章,评审
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更新日期:2014-10-01 00:00:00
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journal_title:Histology and histopathology
pub_type: 杂志文章
doi:10.14670/HH-24.1405
更新日期:2009-11-01 00:00:00
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journal_title:Histology and histopathology
pub_type: 杂志文章
doi:10.14670/HH-20.1077
更新日期:2005-10-01 00:00:00
abstract::Equine endometritis eosinophilica (EE) is rarely described and its diagnostic criteria are not defined. The aim of this study was to characterize histological features of EE. A data base (1995-2013) was searched for biopsies with increased eosinophils. This study included all biopsies with this diagnosis and represent...
journal_title:Histology and histopathology
pub_type: 杂志文章
doi:10.14670/HH-11-872
更新日期:2017-11-01 00:00:00
abstract:AIMS:The expression patterns of TGFB signaling proteins, such as TGFB1/2, TGFBR1(ALK5), TGFBR2, SMAD1/2/3, SMAD2/3, SMAD4, SMAD7, and of downstream targets of TGFB signaling, CDKN1A (p21CIP1), CDKN1B (p27KIP1), MYC, CDC25A, TP53, and RELA (p65NF-kB) were investigated in gastric carcinomas and other gastric lesions. ME...
journal_title:Histology and histopathology
pub_type: 杂志文章
doi:10.14670/HH-23.1439
更新日期:2008-12-01 00:00:00
abstract::Although traditionally little attention has been paid to the interplay between neurotrophins and the cell cycle, a number of recent findings suggest an important role for these growth factors in the regulation of this aspect of the cellular physiology. In this article, we review the evidence from a number of studies t...
journal_title:Histology and histopathology
pub_type: 杂志文章,评审
doi:10.14670/HH-17.1227
更新日期:2002-10-01 00:00:00
abstract::The importance of molybdenum-containing enzymes in the pathophysiology of a number of clinical disorders necessitates a comprehensive understanding of their histological localization and expression. The objectives of this review are to cover such enzymes so far reported and their enzyme- and immunohistochemical locali...
journal_title:Histology and histopathology
pub_type: 杂志文章,评审
doi:
更新日期:1997-04-01 00:00:00
abstract::The pathophysiologic mechanism by which chronic hypoxia causes pulmonary hypertension is unknown. If anti-platelet agents, or other pharmacologic interventions, altered the pulmonary vascular changes induced by hypoxia, information concerning the pathogenesis of the pulmonary hypertension or the potential therapeutic ...
journal_title:Histology and histopathology
pub_type: 杂志文章
doi:
更新日期:1987-04-01 00:00:00
abstract::Recent studies have shown that papillary renal cell carcinoma (RCC) is clinically and genotypically a distinct entity. Papillary RCCs account for about 10-15% of renal parenchymal neoplasms. Macroscopically, the cut surface is yellow or brown in color and large tumors frequently show cystic change. Hemorrhage and necr...
journal_title:Histology and histopathology
pub_type: 杂志文章,评审
doi:10.14670/HH-18.487
更新日期:2003-04-01 00:00:00