Abstract:
:Quantitative immunogold procedure was used to study the distribution of molecular components of interendothelial junctions in blood-brain barrier (BBB) microvessels of scrapie infected SJL/J hyperglycemic mice showing obesity and reduced glucose tolerance. Samples of brain (fronto-parietal cerebral cortex and thalamo-hypothalamic region) obtained from hyperglycemic (diabetic) mice and from non- infected, normoglycemic (non-diabetic) SJL/J mice, were processed for immunocytochemical examination. The localization of the following tight junction (TJ)-associated proteins was studied: occludin as an integral membrane (transmembrane) protein, and zonula occludens one (ZO-1) as a peripheral protein. The localization of beta-catenin as a representative of the cadherin/catenin complex that is typical for adherens junctions (AJs) also was studied. Morphometric analysis revealed that the density of immunosignals for occludin, represented by colloidal gold particles (GPs), was significantly lower in the brain microvessels of diabetic than in non-diabetic mice. No significant differences in the density of immunosignals for ZO-1 and beta-catenin between both experimental mouse groups were observed. It indicates that abnormal glucose metabolism affects mostly occludin which is believed to play a fundamental role in the maintenance of the tightness of endothelial lining in brain microvascular network and thereby in the preservation of its barrier function. These results also support the previously expressed opinion that occludin, detected with the applied morphological method, can be considered a sensitive indicator of altered molecular architecture of the interendothelial junctions due to the action of some metabolic or pathological insults.
journal_name
J Mol Histoljournal_title
Journal of molecular histologyauthors
Vorbrodt AW,Dobrogowska DH,Tarnawski M,Meeker HC,Carp RIdoi
10.1007/s10735-006-9026-9subject
Has Abstractpub_date
2006-01-01 00:00:00pages
27-35issue
1-2eissn
1567-2379issn
1567-2387journal_volume
37pub_type
杂志文章abstract::The aim of this study was to investigate oxidative DNA damage during 4-nitroquinoline 1-oxide (4NQO)-induced rat tongue carcinogenesis. For this purpose, male Wistar rats were distributed into three groups of 10 animals each and treated with 50 ppm 4NQO solution through their drinking water for 4, 12, and 20 weeks. Te...
journal_title:Journal of molecular histology
pub_type: 杂志文章
doi:10.1007/s10735-011-9323-9
更新日期:2011-04-01 00:00:00
abstract::Neutrotrophins are increasingly appreciated as potential modulators of neuronal function in the adult central nervous system (CNS). To describe the neurotrophin environment within the adult CNS, mRNA and protein expression patterns of neurotrophins-3 and -4 and of brain-derived neurotrophin were investigated in adult ...
journal_title:Journal of molecular histology
pub_type: 杂志文章
doi:10.1007/s10735-004-0778-9
更新日期:2004-11-01 00:00:00
abstract::Quercetin (3,5,7,3',4'-pentahydroxyflavone) is one of the most abundant natural flavonoids. It is present in various common vegetables and fruits. In this report, we examined the effect of quercetin on melanogenesis using a three-dimensional reconstituted human epidermal culture model, MelanoDerm, which is a new comme...
journal_title:Journal of molecular histology
pub_type: 杂志文章
doi:10.1023/b:hijo.0000023388.51625.6c
更新日期:2004-02-01 00:00:00
abstract::Elevated expression of CXCL9 has been shown to involve in the infiltration of inflammatory cells and liver damage after Hepatitis B virus (HBV) infection. However, whether and by what underlying mechanism does CXCL9 play a role in HBV infection associated hepatocellular carcinoma (HCC) invasion ability remain unclear....
journal_title:Journal of molecular histology
pub_type: 杂志文章
doi:10.1007/s10735-014-9593-0
更新日期:2014-12-01 00:00:00
abstract::Vesicular monoamine transporter 2 (VMAT2) is expressed in pancreatic beta cells and has recently been proposed as a target for measurement of beta cell mass in vivo. We questioned, (1) What proportion of beta cells express VMAT2? (2) Is VMAT2 expressed by other pancreatic endocrine or non-endocrine cells? (3) Is the r...
journal_title:Journal of molecular histology
pub_type: 杂志文章,多中心研究
doi:10.1007/s10735-008-9195-9
更新日期:2008-10-01 00:00:00
abstract::DLBCL is the most common lymphoma subtype occurring in older populations as well as in younger HIV infected patients. The current treatment options for DLBCL are effective for most patients yet the relapse rate is high. While many biomarkers for DLBCL exist, they are not in clinical use due to low sensitivity and spec...
journal_title:Journal of molecular histology
pub_type: 杂志文章
doi:10.1007/s10735-016-9695-y
更新日期:2016-12-01 00:00:00
abstract::The distribution of molecular components of interendothelial tight junctions (TJs) was studied in rat blood-brain barrier (BBB) microvessels, using immunogold cytochemistry applied to electron microscopy. Samples of rat brains, both normal (unaffected) and osmotically-affected (1, 5, and 30 min after intracarotid infu...
journal_title:Journal of molecular histology
pub_type: 杂志文章
doi:10.1007/10.1007/s10735-004-1318-3
更新日期:2004-06-01 00:00:00
abstract::Low muscle strength is observed during the peri-and postmenopausal periods, when the secretion of ovarian hormones is drastically reduced. It is also a predictive of adverse health events as well as incident mobility limitation and disability. The objective of the present study is to study the biochemical and the hist...
journal_title:Journal of molecular histology
pub_type: 杂志文章
doi:10.1007/s10735-011-9326-6
更新日期:2011-06-01 00:00:00
abstract::Diabetic nephropathy (DN), a serious complication of hyperglycemia, is one of the most common causes of end-stage renal disease (ESRD). Glomerular podocyte injury is a major mechanism that leads to DN. However, the mechanisms underlying podocyte injury are ambiguous. In this study, we sought to investigate the contrib...
journal_title:Journal of molecular histology
pub_type: 杂志文章
doi:10.1007/s10735-020-09904-6
更新日期:2020-10-01 00:00:00
abstract::Within the reproductive system, oestrogenic stimulation of uterine and pituitary tissue typically causes a proliferative response accompanied by an angiogenic induction of new blood vessels from existing ones, thereby providing nutrients and oxygen to the growing tissue. The pro-oestrogenic pesticide methoxychlor (MXC...
journal_title:Journal of molecular histology
pub_type: 杂志文章
doi:10.1023/b:hijo.0000039839.17945.89
更新日期:2004-05-01 00:00:00
abstract::The aim of this study was to ascertain whether, like many cell types in cartilaginous tissues if type XI collagen was a pericellular component of annulus fibrosus (AF) cells and chondrocytes. Fine fibrillar networks were visualised which were perlecan, HS (MAb 10E4) and type XI collagen positive. Heparitinase-III pre-...
journal_title:Journal of molecular histology
pub_type: 杂志文章
doi:10.1007/s10735-019-09823-1
更新日期:2019-06-01 00:00:00
abstract::The aim of the present study was to investigate the association between KDM3A expression and the clinicopathological parameters of patients with epithelial ovarian cancer (EOC). KDM3A expression was analyzed using immunohistochemistry in EOC tissue microarray containing 90 paired cases of EOC and matched normal contro...
journal_title:Journal of molecular histology
pub_type: 撤回出版物,收录出版
doi:10.1007/s10735-015-9642-3
更新日期:2016-04-01 00:00:00
abstract::The incidence of chronic renal diseases is increasing worldwide, and there is a great need to identify therapies capable of arresting or reducing disease progression. The current treatment of chronic nephropathies is limited to angiotensin-converting enzyme inhibitors and angiotensin receptor blockers, but increasing ...
journal_title:Journal of molecular histology
pub_type: 杂志文章
doi:10.1007/s10735-011-9336-4
更新日期:2011-08-01 00:00:00
abstract::Prostate cancer is the most common cancer in American men and the second leading cause of cancer deaths in this group. Both growth hormone (GH) and the inflammatory cytokine interleukin 6 (IL-6) have been implicated in prostate cancer progression. Studies in other systems have shown that an increase in GH results in a...
journal_title:Journal of molecular histology
pub_type: 杂志文章
doi:10.1007/s10735-006-9027-8
更新日期:2006-01-01 00:00:00
abstract::TGF-β1, SNAI1 and MMP-9 are implicated in tumor invasion and metastasis. The purpose of this study was to examine TGF-β1, SNAI1 and MMP-9 expression in papillary thyroid carcinoma (PTC), and to assess association of TGF-β1, SNAI1 and MMP-9 expression with several clinicopathological indicators of PTC. TGF-β1, SNAI1 an...
journal_title:Journal of molecular histology
pub_type: 杂志文章
doi:10.1007/s10735-013-9557-9
更新日期:2014-08-01 00:00:00
abstract::Soluble epoxide hydrolase (sEH) is a bifunctional enzyme with a C-terminal epoxide hydrolase activity and an N-terminal phosphatase activity. Arachidonic acid epoxides, previously suggested to be involved in apoptosis, oncogenesis and cell proliferation, are generated by cytochrome P450 epoxygenases and are good subst...
journal_title:Journal of molecular histology
pub_type: 杂志文章
doi:10.1007/s10735-006-9050-9
更新日期:2006-05-01 00:00:00
abstract::Estrogens and their receptors are important factors involved in periodontal ligament (PDL) tissue health. As a regulator of estrogen receptors (ER), the proline-, glutamic acid-, and leucine-rich protein 1 (PELP1) may play a role in alveolar bone formation and PDL homeostasis. The aim of the present study was to obser...
journal_title:Journal of molecular histology
pub_type: 杂志文章
doi:10.1007/s10735-013-9490-y
更新日期:2013-06-01 00:00:00
abstract::Uterine Natural Killer (uNK) cells are the most abundant lymphocyte population recruited in the uteri during murine and human pregnancy. Previous investigation on uNK cells during mouse pregnancy focused more on its accumulation in postimplantation periods, which were believed to play important roles in regulating tro...
journal_title:Journal of molecular histology
pub_type: 杂志文章
doi:10.1007/s10735-010-9256-8
更新日期:2010-02-01 00:00:00
abstract::E3 ubiquitin ligases regulate a variety of biological processes through the ubiquitin-proteasome system, together with ubiquitin activating enzyme E1 and ubiquitin-conjugating enzyme E2. Previous studies have demonstrated that zinc and ring finger 3 (ZNRF3), which belongs to the E3 ubiquitin ligases family is involved...
journal_title:Journal of molecular histology
pub_type: 杂志文章
doi:10.1007/s10735-013-9504-9
更新日期:2013-10-01 00:00:00
abstract::Odontogenic keratocysts (OKCs) are jaw cystic lesions which are characterized by local invasion and high recurrence rate. The majority of OKCs are exposed to microorganisms and occur along with focal inflammatory infiltrates. Cyst fluids are biological fluids that contain a large content of cytokines and immune globul...
journal_title:Journal of molecular histology
pub_type: 杂志文章
doi:10.1007/s10735-019-09829-9
更新日期:2019-08-01 00:00:00
abstract::In in vitro and in vivo systems, understanding localization and the functional role of ATP is essential, but effective methods to monitor ATP in cells and tissues are limited. Although quinacrine dihydrochloride is a well-known fluorescent dye used to detect ATP, it is limited in its use because it shows non-specific ...
journal_title:Journal of molecular histology
pub_type: 杂志文章
doi:10.1007/s10735-012-9474-3
更新日期:2013-04-01 00:00:00
abstract::Previous findings have shown that P2X-purinoceptor-mediated signaling pathways regulate the release of ACh in the retina. We previously reported the existence of immunoreactivity for P2X1-, P2X2-, P2X4-, and P2X7-purinoceptors in mouse retina and speculated that P2X2 and P2X7-purinoceptors may modulate the activity of...
journal_title:Journal of molecular histology
pub_type: 杂志文章
doi:10.1007/s10735-007-9107-4
更新日期:2007-08-01 00:00:00
abstract::The members of high-temperature requirement (HtrA) family are evolutionarily conserved serine proteases that combine a trypsin-like protease domain with at least one PDZ interaction domain. HtrA2, a special one, is mainly located in mitochondria and required for maintaining homeostasis. Once released into cytoplasm, H...
journal_title:Journal of molecular histology
pub_type: 杂志文章
doi:10.1007/s10735-013-9489-4
更新日期:2013-08-01 00:00:00
abstract::Objective Oligodendroglial tumors with a loss of heterozygosity of 1p (LOH1p) appear to have a better prognosis than oligodendrogliomas without LOH. Previously, we reported glucose uptake in low-grade oligodendroglial tumors to be related to LOH 1p status. Here, we performed an immunohistochemical study of the common ...
journal_title:Journal of molecular histology
pub_type: 杂志文章
doi:10.1007/s10735-008-9191-0
更新日期:2008-10-01 00:00:00
abstract::p21-activated Kinase 6 (PAK6) is a serine/threonine kinase belonging to the p21-activated kinase (PAK) family. PAK kinases are well-known regulators of a wide variety of cellular functions, including regulation of cytoskeleton rearrangement, cell survival, apoptosis and the mitogen-activated protein kinase signaling p...
journal_title:Journal of molecular histology
pub_type: 杂志文章
doi:10.1007/s10735-011-9324-8
更新日期:2011-06-01 00:00:00
abstract::Satellite glial cells (SGCs), a peripheral neuroglial cell, surround neurons and form a complete envelope around individual sensory neurons in the trigeminal ganglia (TG), which may be involved in modulating neurons in inflammation. The purpose of this study was to determine the effect of dental injury and inflammatio...
journal_title:Journal of molecular histology
pub_type: 杂志文章
doi:10.1007/s10735-018-9765-4
更新日期:2018-06-01 00:00:00
abstract::Tissue microarrays have become an essential tool in translational pathology. They are used to confirm results from other experimental platforms, such as expression microarrays, as well as a primary tool to explore the expression profile of proteins by immunohistochemical analysis. Tissue microarrays are routinely used...
journal_title:Journal of molecular histology
pub_type: 杂志文章
doi:10.1007/s10735-006-9049-2
更新日期:2007-05-01 00:00:00
abstract::The goal of this study was to investigate whether sub-chronic anti-oxidant treatment with ascorbic acid (Vit C) is able to protect the heart against myocardial infarction. The effects of Vit C treatment on the histopatological changes and immunohistochemistry for p53, COX-2 and iNOS were evaluated in rats submitted to...
journal_title:Journal of molecular histology
pub_type: 杂志文章
doi:10.1007/s10735-009-9218-1
更新日期:2009-04-01 00:00:00
abstract::During human pregnancy the placenta produces a variety of proteins like steroid hormones and their receptors that are responsible for the establishment and ongoing of the feto-placental unit. Inhibins are dimeric glycoproteins, composed of an alpha-subunit and one of two possible beta-subunits (beta (A) or beta (B)). ...
journal_title:Journal of molecular histology
pub_type: 杂志文章
doi:10.1007/s10735-006-9029-6
更新日期:2006-01-01 00:00:00
abstract::This study aimed to explore whether the altered expression of tumor necrosis factor-alpha (TNF-α), vascular endothelial growth factor (VEGF) and apoptotic changes in mid zone (MZ) and rupture zone (RZ) of fetal membranes (FM) are regulatory mechanisms associated with labor at term. Fifteen FM specimens were collected ...
journal_title:Journal of molecular histology
pub_type: 杂志文章
doi:10.1007/s10735-013-9553-0
更新日期:2014-06-01 00:00:00