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Pathophysiology: the Official Journal of the International Society for Pathophysiology

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https://www.readbyqxmd.com/read/28522356/association-between-matrix-metaloproteinases-2-1306c-t-polymorphism-and-the-risk-of-coronary-artery-disease-in-iranian-population
#1
Mahshid Sattari, Maryam Hassanzad, Seyed Hamid Jamaldini, Alireza Najafi, Mahdieh Imani, Mohammadreza Mohammadhassani, Mandana Hasanzad
BACKGROUND: Coronary Artery Disease (CAD) represents the most important cause of sudden cardiac death. Interaction between genetic and environmental factors, individual susceptibility of the development of CAD is one of the MMP2 genes. Genetic variants' dysfunction of the MMP2 gene associated with the risk of CAD. The aim of the present study is to assess possible association between risk of Coronary Artery Disease and MMP2-1306C/T polymorphism. METHODS: This case-control study contains a total number of 344 subjects, including 215 patients with CAD and 129 of controls...
May 6, 2017: Pathophysiology: the Official Journal of the International Society for Pathophysiology
https://www.readbyqxmd.com/read/28461089/vascular-lesions-of-the-female-genital-tract-clinicopathologic-findings-and-application-of-the-issva-classification
#2
Georgia Karpathiou, Celine Chauleur, Vanessa Da Cruz, Fabien Forest, Michel Peoc'h
INTRODUCTION: Vascular lesions of the female genital tract are extremely rare and their nomenclature does not widely follow the International Society for the Study of Vascular Anomalies (ISSVA) classification. AIM OF THE STUDY: To describe the clinicopathologic characteristics of vascular lesions of the female genital tract and to apply the ISSVA classification. MATERIAL AND METHODS: 19 vascular lesions were diagnosed during a 20 year period...
April 23, 2017: Pathophysiology: the Official Journal of the International Society for Pathophysiology
https://www.readbyqxmd.com/read/28462800/pro-and-anti-inflammatory-cytokine-levels-tnf-%C3%AE-il-1%C3%AE-il-6-and-il-10-in-rat-model-of-neuroma
#3
Junad Khan, Noma Noboru, Andrew Young, Davis Thomas
Traumatic neuroma is neuronal tissue proliferation developed in a nerve injury site, often associated with increased sensitivity and spontaneous or evoked neuropathic pain. The mechanisms leading to the disorganized nerve proliferation are not completely understood, though inflammation in the injured nerve vicinity most likely has a role in the process. Inflammatory cytokines are also known to be involved in the maintenance and development of post-traumatic and neuropathic pain. The goal of this study was to quantify and compare pro and anti-inflammatory cytokines (TNF-α, IL-1β, IL-6 and IL-10) levels in nerves that formed neuromas and nerves that did not, following sciatic nerve transection...
April 11, 2017: Pathophysiology: the Official Journal of the International Society for Pathophysiology
https://www.readbyqxmd.com/read/28343891/an-investigation-on-the-effects-of-the-angles-between-the-mitral-and-aortic-orifice-during-diastolic-period-using-fsi
#4
Md Shamsul Arefin
BACKGROUND: It was well documented that the changes in the physiological structure of the heart can alter the hemodynamic behaviour of the human left ventricle. Although there were various imaging tools that can stipulate the blood flow characteristics inside the ventricle, but the effect of the variation in the angles between the mitral and aortic orifices were yet to be determined. Hence the primary focus of this paper was to use Fluid-Structure Interaction scheme throughout the diastolic phase to examine and determine the hemodynamic behaviour inside the cavity under various angles between the mitral and aortic orifices (50°, 55° and 60°)...
March 18, 2017: Pathophysiology: the Official Journal of the International Society for Pathophysiology
https://www.readbyqxmd.com/read/28400074/regulation-of-mitochondrial-structure-and-function-by-protein-import-a-current-review
#5
REVIEW
Kanchanjunga Prasai
By generating the majority of a cell's ATP, mitochondria permit a vast range of reactions necessary for life. Mitochondria also perform other vital functions including biogenesis and assembly of iron-sulfur proteins, maintenance of calcium homeostasis, and activation of apoptosis. Accordingly, mitochondrial dysfunction has been linked with the pathology of many clinical conditions including cancer, type 2 diabetes, cardiomyopathy, and atherosclerosis. The ongoing maintenance of mitochondrial structure and function requires the import of nuclear-encoded proteins and for this reason, mitochondrial protein import is indispensible for cell viability...
March 16, 2017: Pathophysiology: the Official Journal of the International Society for Pathophysiology
https://www.readbyqxmd.com/read/28262306/immunohistochemical-analysis-of-pten-her2-neu-and-ki67-expression-in-patients-with-gastric-cancer-and-their-association-with-survival
#6
Dalia M Badary, Mostafa E Abdel-Wanis, Mohamed Z Hafez, Noha A Aboulhagag
BACKGROUND: Considering the poor prognosis of patients with gastric cancer, molecular diagnostic and prognostic markers for this cancer should be established. The aims of our study were to assess the correlations between PTEN, HER2/neu, and Ki67 expressions and clinicopathological factors of gastric cancer patients in upper Egypt, as well as their influence on OS and DFS. PATIENTS AND METHODS: In this descriptive-analytic study, 42 patients with gastric carcinoma treated by postioerative chemoradiation between 2004 and 2014...
February 24, 2017: Pathophysiology: the Official Journal of the International Society for Pathophysiology
https://www.readbyqxmd.com/read/28143686/vitamin-d-reduces-high-fat-diet-induced-weight-gain-and-c-reactive-protein-increases-interleukin-10-and-reduces-cd86-and-caspase-3
#7
Asmaa M S Gomaa, Ebtihal A Abd El-Aziz
Obesity can be associated with dysfunction of the immune system. An increased risk of obesity has been reported among individuals with low levels of vitamin D. However, much is still unknown about the link between vitamin D and dysfunction of the spleen and immune system in obesity. Therefore, the objectives of this study were to evaluate the effects of a high-fat diet (HFD) on the spleen and immune system and to determine the protective effects of chronic treatment with vitamin D in reversing the detrimental effects of HFD...
March 2017: Pathophysiology: the Official Journal of the International Society for Pathophysiology
https://www.readbyqxmd.com/read/28254270/silymarin-attenuates-aspartame-induced-variation-in-mouse-behaviour-cerebrocortical-morphology-and-oxidative-stress-markers
#8
Yetunde Onaolapo Adejoke, Zayid Abdusalam Saratu, James Onaolapo Olakunle
OBJECTIVE: We assessed the impacts of silymarin co-administration on aspartame-induced changes in novelty-induced behaviours, memory, anxiety-related behaviours, cerebral antioxidant status and histomorphology in mice. METHOD: Six groups of mice were administered vehicle (distilled water), silymarin (25mg/kg), aspartame (at 160 or 320mg/kg), and silymarin (25mg/kg) co-administered with aspartame at 160 or 320mg/kg daily for 21days, via an oral cannula. Behaviours were assessed after the first and last dose of treatment...
February 15, 2017: Pathophysiology: the Official Journal of the International Society for Pathophysiology
https://www.readbyqxmd.com/read/28242287/chronic-administration-of-gabapentin-and-a-gabapentin-carbamazepine-combination-reversibly-suppress-testicular-function-in-male-wistar-rats-rattus-norvegicus
#9
Opeyemi Samson Osuntokun, Gbola Olayiwola, Ayowole Oladele, Idowu Ola, Oludele AyokaAbiodun
The effect of chronic administration of gabapentin, carbamazepine or a gabapentin-carbamazepine combination on testicular function in male rats was investigated to determine the effect of combining reduced doses of anti-epileptic drugs on the management of seizures, particularly with respect to the testis sequellae of chronic anti-epileptic administration. Male rats were randomized into four groups (n=10). Each group received daily intraperitoneal (i.p.) injections for 28days as follows: Group I, normal saline 0...
February 13, 2017: Pathophysiology: the Official Journal of the International Society for Pathophysiology
https://www.readbyqxmd.com/read/28285737/lung-injury-induced-by-bisphenol-a-a-food-contaminant-is-ameliorated-by-selenium-supplementation
#10
Azza S Abedelhaffez, Ebtihal A Abd El-Aziz, Mohamed A Abdel Aziz, Asmaa M Ahmed
Bisphenol A (BPA), a widely used industrial chemical, is known to disrupt endocrine function. This study aimed to investigate the impact of chronic exposure to BPA on the lung tissue of adult male rats as well as any possible alleviating effects resulting from selenium (Se) treatment. Chronic exposure to BPA resulted in prominent inflammation and oxidative stress responses as evidenced by an increase in levels of malondialdehyde (MDA), reduced concentrations of superoxide dismutase (SOD), and upregulation of Interleukin-18 (IL-18) expression in lung tissue...
February 12, 2017: Pathophysiology: the Official Journal of the International Society for Pathophysiology
https://www.readbyqxmd.com/read/28214084/il-10-and-tgf-%C3%AE-roles-in-chondroprotective-effects-of-glucosamine-in-experimental-osteoarthritis
#11
Nermien E Waly, Abeer Refaiy, Nora M Aborehab
OBJECTIVE: Osteoarthritis (OA) is a complex disease of the whole joint. Glucosamine (GlcN) treatment may have a chondroprotective effect on OA. We investigated the mechanism of action of glucosamine treatment through interleukin-10 (Il-10) and transforming growth factor β-1 (TGF β-1). METHODS: Thirty male albino rats were used. A single intraarticular (i.a.) injection of 2mg of Monosodium Iodoacetate (MIA) was injected into the knee joint of anesthetized rats...
February 11, 2017: Pathophysiology: the Official Journal of the International Society for Pathophysiology
https://www.readbyqxmd.com/read/28245954/ceftriaxone-attenuates-glutamate-mediated-neuro-inflammation-and-restores-bdnf-in-mptp-model-of-parkinson-s-disease-in-rats
#12
Baninder Kaur, Atish Prakash
The present study is designed to investigate the role of glutamate transporter in neuroprotection of ceftriaxone against MPTP induced PD animal model. Young male Wistar rats were subjected to intra-nigral administration of MPTP for the induction of Parkinson's disease. Glutamate modulators like ceftriaxone (CFX), Memantine (MEM) and Dihydrokainate (DHK) were administered to MPTP-lesioned rats. Different behavioral alterations were assessed in between the study period. Animals were sacrificed immediately after behavioral session, and different biochemical parameters were measured...
February 10, 2017: Pathophysiology: the Official Journal of the International Society for Pathophysiology
https://www.readbyqxmd.com/read/28238536/high-salt-intake-does-not-aggravate-glucose-dysregulation-and-dyslipidemia-induced-by-estrogen-progestin-oral-contraceptive
#13
Oluwaseun A Adeyanju, Taofeek O Usman, Aboyeji L Oyewole, Sikiru A Biliaminu, Lawrence A Olatunji
BACKGROUND: Estrogen-progestogen combined oral contraceptive (OC) use has been associated with increased cardiometabolic risk factors, including glucose dysregulation, dyslipidemia, hypertension, and pro-inflammatory state. However, the effect of a high-salt diet on these risk factors during OC use is not yet investigated. We therefore hypothesized that a high-salt diet would increase cardiometabolic risk factors in female rats treated with a combination of OC steroids, levonorgestrel (L) and ethinylestradiol (EE), and that elevated plasma levels of pro-inflammatory markers are associated with the cardiometabolic effects...
February 10, 2017: Pathophysiology: the Official Journal of the International Society for Pathophysiology
https://www.readbyqxmd.com/read/28214085/folic-acid-protects-against-lead-acetate-induced-hepatotoxicity-by-decreasing-nf-%C3%AE%C2%BAb-il-1%C3%AE-production-and-lipid-peroxidation-mediataed-cell-injury
#14
Eman S H Abd Allah, Dalia M Badary
Folic acid plays an important role in cellular metabolic activities. The present study was designed to investigate the protective effect of folic acid against lead acetate-induced hepatotoxicity. Twenty four male Wistar albino rats were randomly divided into four groups, six animals each. Negative control group received the vehicle, positive control group received 1mg/kg folic acid for five consecutive days/week for 4 weeks orally, lead-exposed group received 10mg/kg lead acetate intraperitoneally (IP) for five consecutive days/week for 4 weeks, and lead-treated group received 10mg/kg lead acetate IP and 1mg/kg folic acid orally for five consecutive days/week for 4 weeks concurrently...
February 10, 2017: Pathophysiology: the Official Journal of the International Society for Pathophysiology
https://www.readbyqxmd.com/read/28126254/rotenone-impairs-hippocampal-neuronal-activity-in-a-rat-model-of-parkinson-s-disease
#15
L V Darbinyan, L E Hambardzumyan, K V Simonyan, V A Chavushyan, L P Manukyan, V H Sarkisian
Parkinson's disease (PD) is the most common neurodegenerative disease of unknown etiology and characterized by motor symptoms of tremor, rigidity, bradykinesia, and postural instability. Interactions between the dopaminergic systems and the hippocampus in synaptic plasticity and behavior are found. The rotenone-induced animal model is commonly used in research studies involved in PD. Administration of rotenone causes alterations of electrical neuronal activity. Rotenone (2.5 mg/kg/day) was administered intraperitoneally for 21 days to adult rats, and rotenone effects on rearing activity and electrophysiology were examined...
January 22, 2017: Pathophysiology: the Official Journal of the International Society for Pathophysiology
https://www.readbyqxmd.com/read/28027824/protective-effect-of-chamomile-matricaria-recutita-l-decoction-extract-against-alcohol-induced-injury-in-rat-gastric-mucosa
#16
Mohamed-Amine Jabri, Nadhem Aissani, Haifa Tounsi, Mohsen Sakly, Lamjed Marzouki, Hichem Sebai
BACKGROUND: Matricaria recutita L. (Asteraceae), German chamomile, has been widely used in the traditional Tunisian medicine because of having the powerful health benefits. the current study was conducted to determine the protective effect of chamomile (Matricaria recutita L.) decoction extract (CDE) in ethanol-induced ulcer and oxidative stress on gastric mucosa in rat. METHODS: Adult male wistar rats were used and divided into seven groups: Control, EtOH, EtOH+various doses of CDE (25, 50 and 100mg/kg, b...
December 21, 2016: Pathophysiology: the Official Journal of the International Society for Pathophysiology
https://www.readbyqxmd.com/read/28038936/association-of-peripheral-nesfatin-1-with-early-stage-diabetic-nephropathy
#17
Amin Irannejad, Alireza Ghajar, Mohsen Afarideh, Elias Khajeh, Sina Noshad, Sadaf Esteghamati, Khashayar Afshari, Farima Kahe, Morsaleh Ganji, Mohammad Saadat, Manouchehr Nakhjavani, Alireza Esteghamati
BACKGROUND: Nesfatin-1 is a newly found anorectic neuropeptide with potent metabolic regulatory effects that its circulating levels are shown to be elevated in diabetes. We compared serum nesfatin-1 in patients with type 2 diabetes and microalbuminuria (30mg/day≤urinary albumin excretion (UAE) <300mg/day) with their control patients with type 2 diabetes and normoalbuminuria (UAE <30mg/day). PATIENTS AND METHODS: In a cross sectional setting, 44 adult patients with type 2 diabetes and microalbuminuria and 44 control patients with type 2 diabetes and normoalbuminuria were evaluated...
December 13, 2016: Pathophysiology: the Official Journal of the International Society for Pathophysiology
https://www.readbyqxmd.com/read/27964880/role-of-gpx4-in-human-vascular-endothelial-cells-and-the-compensatory-activity-of-brown-rice-on-gpx4-ablation-condition
#18
Osamu Sakai, Toshinori Yasuzawa, Yoshie Sumikawa, Takashi Ueta, Hirotaka Imai, Akiyoshi Sawabe, Shigeru Ueshima
Oxidative stress is implicated in the pathologies of vascular endothelial cells. However, the importance of specific antioxidant enzymes in vascular endothelial cells is not fully understood. The purpose of this study was to elucidate the importance of Glutathione peroxidase 4 (GPx4), and the involvement of ferroptosis on cell death induced by GPx4 loss in human vascular endothelial cells. In addition, we examined the compensatory activity of brown rice on GPx4 ablation condition. Human umbilical vein endothelial cells were transfected with GPx4 or scramble control siRNA...
December 1, 2016: Pathophysiology: the Official Journal of the International Society for Pathophysiology
https://www.readbyqxmd.com/read/27793419/biochemical-and-physiological-effects-from-exhaust-emissions-a-review-of-the-relevant-literature
#19
REVIEW
Sergio Manzetti, Otto Andersen
Exhaust emissions are to date ranked among the most frequent causes of premature deaths worldwide. The combustion of fuels such as diesel, gasoline, and bio-blends provokes a series of pathophysiological responses in exposed subjects, which are associated with biochemical and immunological triggering. It is critical to understand these mechanisms, which are directly related to the levels of aerosol, liquid and gaseous components in fuel exhaust (e.g. nanoparticles, particulate matter, volatile compounds), so to cast attention on their toxicity and gradually minimize their use...
December 2016: Pathophysiology: the Official Journal of the International Society for Pathophysiology
https://www.readbyqxmd.com/read/27793418/omega-3-fatty-acids-decreases-oxidative-stress-tumor-necrosis-factor-alpha-and-interleukin-1-beta-in-hyperthyroidism-induced-hepatic-dysfunction-rat-model
#20
Asmaa M S Gomaa, Ebtihal A Abd El-Aziz
Hyperthyroidism is associated with abnormalities of the liver. Omega-3 polyunsaturated fatty acids, especially their long-chain forms: eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA) have beneficial health effects. The objectives of the present study were to assess hyperthyroidism-induced hepatic dysfunction in adult male rats and to evaluate the ameliorative effects of omega-3 on hyperthyroidism-induced hepatic dysfunction and the underlying mechanisms. Twenty four adult male rats were randomly divided into three equal groups; control group which received water for 6 weeks, hyperthyroid group which received L-thyroxine orally for 6 weeks and hyperthyroid omega-3 treated group which received L-thyroxine for 2 weeks and then co-treated with L-thyroxine and omega-3 oral compound containing 18% of EPA and 12% of DHA for 4 weeks...
December 2016: Pathophysiology: the Official Journal of the International Society for Pathophysiology
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