Abstract：
:The present study was carried out to investigate the role of hypertension in the genesis and localization of intimal lesions and medial remodelling found in the prestenotic segment in relation to a severe stenosis of the abdominal aorta just below the diaphragm. Male young rats were divided randomly into operated group, animals submitted to surgical abdominal aorta stenosis, and sham-operated group, a control group of animals submitted to sham operation to simulate abdominal aorta stenosis. Aortas in the hypertensive prestenotic segment with increased circumferential wall tension associated with normal tensile stress, laminar flow/normal wall shear stress were characterized by enlarged heterogeneous endothelial cells elongated in the direction of the blood flow, diffusely distributed conspicuous neointimal plaques and medial thickening. The immunohistochemical analysis revealed an increased expression of eNOS, iNOS, nitrotyrosine and transforming growth factor-beta (TGF-beta) in endothelial cells and/or smooth muscle cells in this segment. Our findings suggest that increased circumferential wall tension due to hypertension plays a pivotal role in the remodelling of the prestenotic segment through biomechanical effects on oxidative stress and increased TGF-beta expression. Further studies are needed to clarify the intrinsic pathogenetic mechanism of focal distribution of the neointimal plaques in the hypertensive segment.
journal_name
Int J Exp Patholjournal_title
International journal of experimental pathologyauthors
Prado CM,Rossi MAdoi
10.1111/j.1365-2613.2006.00506.xsubject
Has Abstractpub_date
2006-12-01 00:00:00pages
425-36issue
6eissn
0959-9673issn
1365-2613pii
IEP506journal_volume
87pub_type
杂志文章abstract：:The aim of this study was to evaluate the use of flaxseed in animals subjected to ethanol-induced hepatotoxicity. Twenty-four male rats were divided into four groups (n = 6): control group (CG) which received a control diet and water ad libitum; flaxseed group (FG) which received control diet with an addition of 25% f...
journal_title：International journal of experimental pathology
pub_type： 杂志文章
doi：10.1111/iep.12288
更新日期：2018-10-01 00:00:00
abstract：:Bronchial subepithelial fibrosis is an histological characteristic of asthma. Cytokines and other mediators, such as PDGF-BB, TGF-beta1 and ET-1 found in the asthmatic submucosa can potentially activate a repair process that leads to fibroblast proliferation and collagen synthesis. The mechanisms of modulation of the ...
journal_title：International journal of experimental pathology
pub_type： 杂志文章
doi：10.1046/j.1365-2613.2000.00173.x
更新日期：2000-12-01 00:00:00
abstract：:Several methods have been described for investigating chondrocyte metabolism in vitro. In this study, in-situ hybridization (ISH) using an oligonucleotide probe (i.e. a poly-d(T) probe) to detect total messenger RNA (mRNA) in cartilage explants has been compared with radiosulphate and radioleucine uptake studies in an...
journal_title：International journal of experimental pathology
pub_type： 杂志文章
doi：
更新日期：1991-04-01 00:00:00
abstract：:Over the past 40 years there have been giant steps forward in our understanding of cellular and molecular biology that have given us the framework by which to understand tissue organization and tissue function on a range of scales. However, although the progress has been great, the more we have discovered, the more we...
journal_title：International journal of experimental pathology
pub_type：
doi：10.1111/j.1365-2613.2010.00719.x
更新日期：2010-06-01 00:00:00
abstract：:This study tested the hypothesis that different doses of nandrolone decanoate (ND) will cause changes in the estrous cycle and ovarian tissue of adult rats; and investigated the duration of the recovery period that is sufficient to restore the damage in the animals treated with different doses. Wistar rats were treate...
journal_title：International journal of experimental pathology
pub_type： 杂志文章
doi：10.1111/iep.12144
更新日期：2015-10-01 00:00:00
abstract：:The formation of new blood vessels, angiogenesis, is an important event in inflammation, wound healing and tumour growth. Mediators produced by various cells when exposed to endotoxin include cytokines (tumour necrosis factor, interleukins 1 and 6, and basic fibroblast growth factor) which, it has been suggested, stim...
journal_title：International journal of experimental pathology
pub_type： 杂志文章
doi：
更新日期：1994-06-01 00:00:00
abstract：:Diets enriched with fat, especially unsaturated fat, promote experimental pancreatic carcinogenesis, but little is known of the effects of individual fatty acids. The effect of stearic and oleic acid on pancreatic fatty acids and atypical acinar cell nodules (preneoplastic lesions) was studied in 14-day-old weanling m...
journal_title：International journal of experimental pathology
pub_type： 杂志文章
doi：
更新日期：1991-10-01 00:00:00
abstract：:Athymic (nude) mice were experimentally infected with Mycobacterium leprae via the alimentary and respiratory tracts and through the skin. Animals were allowed to inhale aerosols of M. leprae or had bacilli instilled into the nostrils or directly into the lungs. Others were fed M. leprae by gastric tube or had bacilli...
journal_title：International journal of experimental pathology
pub_type： 杂志文章
doi：
更新日期：1990-10-01 00:00:00
abstract：:We have shown previously that cycloheximide (CHX), a potent protein synthesis inhibitor, induces high levels of apoptosis in Epstein-Barr virus free (EBV(-)) Burkitt's lymphoma (BJA-B) cells, with comparably reduced levels of apoptosis in the EBV positive (EBV(+)) cells. Modulation of CHX-induced apoptosis in EBV(-) a...
journal_title：International journal of experimental pathology
pub_type： 杂志文章
doi：10.1046/j.1365-2613.1997.170350.x
更新日期：1997-06-01 00:00:00
abstract：:Streptozotocin (SZ)-induced insulitis, which is an animal model for insulin-dependent diabetes mellitus, was suppressed by lactic dehydrogenase virus (LDV) infection. There were no differences in degenerative and necrotic changes of islet cells between SZ-treated mice and SZ-treated mice with LDV infection during the ...
journal_title：International journal of experimental pathology
pub_type： 杂志文章
doi：
更新日期：1994-06-01 00:00:00
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journal_title：International journal of experimental pathology
pub_type：
doi：10.1111/j.1365-2613.2010.00736.x
更新日期：2010-08-01 00:00:00
abstract：:The effect of infection by prototypes from the three major species of Leishmania on the oxidative burst of human mononuclear phagocytes in culture was examined. The presence of intracellular parasites of the three species, L.major, L.donovani and L.mexicana decreased hydrogen peroxide (H2O2) and superoxide anion (O2-)...
journal_title：International journal of experimental pathology
pub_type： 杂志文章
doi：
更新日期：1994-08-01 00:00:00
abstract：:The effect of oestradiol on the intact and castrated adult gerbil prostate was evaluated by focussing on stromal and epithelial disorders, and hormonal receptor immunoreactivity. The experimental animals were studied by histological, histochemical and immunohistochemical techniques, morphometric-stereological analysis...
journal_title：International journal of experimental pathology
pub_type： 杂志文章
doi：10.1111/j.1365-2613.2007.00559.x
更新日期：2008-02-01 00:00:00
abstract：:Young adult mice infected with MCMV were shown to develop inflammatory lesions in the peripancreatic and salivary gland adipose tissues. MCMV replication was detected by immunoperoxidase staining and electron microscopy in adipocytes, fibroblasts, endothelial cells and pericytes in brown and white adipose tissues. Mor...
journal_title：International journal of experimental pathology
pub_type： 杂志文章
doi：
更新日期：1990-08-01 00:00:00
abstract：:Duchenne's muscular dystrophy (DMD) is a lethal childhood disease caused by mutations of the dystrophin gene, the protein product of which, dystrophin, has a vital role in maintaining muscle structure and function. Homologues of DMD have been identified in several animals including dogs, cats, mice, fish and invertebr...
journal_title：International journal of experimental pathology
pub_type： 杂志文章,评审
doi：10.1046/j.1365-2613.2003.00354.x
更新日期：2003-08-01 00:00:00
abstract：:The aim of this study was to estimate the relationship of endothelial dysfunction induced by intracellular S-adenosylhomocysteine (SAH) accumulation and DNA methylation in human umbilical vein endothelial cells (HUVEC). The isolated HUVEC were incubated with 3-deazaadenosine (DZA) to induce experimental intracellular ...
journal_title：International journal of experimental pathology
pub_type： 杂志文章
doi：10.1111/j.1365-2613.2009.00687.x
更新日期：2009-12-01 00:00:00
abstract：:The acute phase of experimental Chagas' disease in rats is associated with early lesions of the post-ganglionic sympathetic nerve terminals of the heart, the varicosities being the target. In the superior cervical and stellate ganglia the preganglionic fibres showed no signs of lesion in the course of experimental Cha...
journal_title：International journal of experimental pathology
pub_type： 杂志文章
doi：10.1046/j.1365-2613.1996.00971.x
更新日期：1996-06-01 00:00:00
abstract：:We determined the feasibility of producing protoporphyric hepatopathy in unrestrained rats by infusing protoporphyrin into their portal circulation via chronic indwelling catheters. Sprague-Dawley rats, 200-300 g, received single (8.5-27.8 mumol) or multiple (64.1-208.7 mumol) infusions of protoporphyrin over 3-240 h....
journal_title：International journal of experimental pathology
pub_type： 杂志文章
doi：
更新日期：1992-10-01 00:00:00
abstract：:Reduced expression of endothelial nitric oxide synthase (eNOS) in chronic liver disease can reduce hepatic perfusion and accelerate fibrosis. The relationship between eNOS expression and liver fibrogenesis remains unclear. We investigated whether L-arginine attenuated chronic liver fibrosis through eNOS expression. Ch...
journal_title：International journal of experimental pathology
pub_type： 杂志文章
doi：10.1111/j.1365-2613.2008.00590.x
更新日期：2008-08-01 00:00:00
abstract：:During mild (one to two pairs of worms) and prolonged (23 weeks or more) mouse infections with Schistosoma mansoni, but not with S. japonicum, periovular granulomas and fibrosis were seen to be preferentially located along periportal tissues. This caused fibrotic expansion of the portal spaces on a background of norma...
journal_title：International journal of experimental pathology
pub_type： 杂志文章
doi：
更新日期：1993-04-01 00:00:00
abstract：:Plasmodium berghei ANKA (PbA) infection in susceptible inbred mouse strains is the most commonly used experimental model to study pathogenesis of cerebral malaria (CM). Indeed, many concepts on mechanisms related to this complication have arisen from works using this model. Although inbred strains present several adva...
journal_title：International journal of experimental pathology
pub_type： 杂志文章
doi：10.1111/j.1365-2613.2008.00622.x
更新日期：2009-04-01 00:00:00
abstract：:Non-alcoholic fatty liver disease (NAFLD) is the most common chronic condition of the liver in the western world. There is only little evidence about altered sensitivity of steatotic liver to acute toxic injury. The aim of this project was to test whether hepatic steatosis sensitizes rat liver to acute toxic injury in...
journal_title：International journal of experimental pathology
pub_type： 杂志文章
doi：10.1111/j.1365-2613.2011.00765.x
更新日期：2011-08-01 00:00:00
abstract：:Small intestinal mucosal T cell activation results in villous atrophy and crypt hyperplasia. There is conflicting evidence as to whether a Th1 IFN-gamma response may be involved. Using a murine intestinal transplant model of T cell-mediated enteropathy we aimed to study the role of IFN-gamma on the development of vill...
journal_title：International journal of experimental pathology
pub_type： 杂志文章
doi：10.1046/j.1365-2613.2003.00342.x
更新日期：2003-06-01 00:00:00
abstract：:Minaçu virus was isolated from Ochlerotatus scapularis (Diptera: Culicidae) in Minaçu, Goiás State, Brazil, in 1996. In attempting characterization of virus serological (hemagluttination inhibition, HI; indirect immunofluorescence assay, IFA), physicochemical [test for deoxycholate acid (DCA) sensitivity; polyacrylami...
journal_title：International journal of experimental pathology
pub_type： 杂志文章
doi：10.1111/j.1365-2613.2006.00516.x
更新日期：2007-02-01 00:00:00
abstract：:Genetically resistant CBA and A/J mice and susceptible BALB/c and C57BL/6 mice were challenged with either an identical infective dose or a minimal lethal dose of Salmonella typhimurium. The histopathological progression of the disease was examined in tissue sections prepared by the JB-4 Plus resin embedding method an...
journal_title：International journal of experimental pathology
pub_type： 杂志文章
doi：10.1046/j.1365-2613.1998.00064.x
更新日期：1998-06-01 00:00:00
abstract：:Hamsters (Mesocricetus auratus) were inoculated with L. (L.) chagasi and killed on days 7, 15, 30, 45 and 60 after infection. The lymphoid organs developed initial proliferation of the B lymphocyte zone with recovery by the 60th day group when pyroninophilic cells were prominent. The T lymphocyte area showed a progres...
journal_title：International journal of experimental pathology
pub_type： 杂志文章
doi：
更新日期：1992-08-01 00:00:00
abstract：:The original two strains of Mycoplasma genitalium were isolated from the human urogenital tract. No other strains have been isolated from this site since then. We have recently succeeded in propagating a third strain from a urogenital specimen from a patient with urethritis in Vero cell cultures. By electron microscop...
journal_title：International journal of experimental pathology
pub_type： 杂志文章
doi：
更新日期：1994-04-01 00:00:00
abstract：:Leprosy is a disease consisting of a spectrum of clinical, bacteriological, histopathological and immunological manifestations. Tuberculoid leprosy is frequently recognized as the benign polar form of the disease, while lepromatous leprosy is regarded as the malignant form. The different forms of leprosy depend on the...
journal_title：International journal of experimental pathology
pub_type： 杂志文章
doi：10.1111/iep.12108
更新日期：2015-02-01 00:00:00
abstract：:The liver sinusoidal endothelial cell (LSEC) is damaged by many toxins, including oxidants and bacterial toxins. Any effect on LSECs of the Pseudomonas aeruginosa virulence factor, pyocyanin, may be relevant for systemic pseudomonal infections and liver transplantation. In this study, the effects of pyocyanin on in vi...
journal_title：International journal of experimental pathology
pub_type： 杂志文章
doi：10.1111/j.1365-2613.2008.00602.x
更新日期：2008-12-01 00:00:00
abstract：:The roles of inducible nitric oxide synthase (iNOS) in the development and healing of gastric ulcers have not been fully characterized. We characterized iNOS expression in experimentally induced ulcers in rat and mouse stomachs and investigated the roles of iNOS using iNOS gene-deficient (iNOS-/-) mice and wildtype mi...
journal_title：International journal of experimental pathology
pub_type： 杂志文章
doi：10.1111/j.1365-2613.2003.00357.x
更新日期：2003-10-01 00:00:00
