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Journal of Physiology and Pharmacology: An Official Journal of the Polish Physiological Society

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https://www.readbyqxmd.com/read/28195074/induction-of-autophagy-in-the-porcine-corpus-luteum-of-pregnancy-following-anti-androgen-treatment
#1
M Grzesiak, K Knapczyk-Stwora, M Slomczynska
Experimentally induced androgen deficiency during late pregnancy leads to decreased progesterone synthesis in the porcine corpus luteum (CL), which suggested an onset of functional luteolysis. It was shown that luteal regression in mammals involves not only apoptosis but also autophagy. Therefore, this study aimed to examine whether anti-androgen flutamide treatment during late pregnancy in pigs induces apoptosis and/or autophagy within luteal cells. Flutamide (50 mg/kg b.w.) was administered into pregnant gilts between 83 - 89 (GD90F) or 101 - 107 (GD108F) gestational days (GD)...
December 2016: Journal of Physiology and Pharmacology: An Official Journal of the Polish Physiological Society
https://www.readbyqxmd.com/read/28195073/effects-of-budesonide-on-the-lung-functions-inflammation-and-apoptosis-in-a-saline-lavage-model-of-acute-lung-injury
#2
D Mokra, P Kosutova, S Balentova, M Adamkov, P Mikolka, J Mokry, M Antosova, A Calkovska
Diffuse alveolar injury, edema, and inflammation are fundamental signs of acute lung injury (ALI) and acute respiratory distress syndrome (ARDS). Whereas the systemic administration of corticosteroids previously led to controversial results, this study evaluated if corticosteroids given intratracheally may improve lung functions and reduce edema formation, migration of cells into the lung and their activation in experimentally-induced ALI. In oxygen-ventilated rabbits, ALI was induced by repetitive saline lung lavage, until PaO2 decreased to < 26...
December 2016: Journal of Physiology and Pharmacology: An Official Journal of the Polish Physiological Society
https://www.readbyqxmd.com/read/28195072/complement-activation-contributes-to-ventilator-induced-lung-injury-in-rats
#3
B Petersen, T Busch, J Gaertner, J J Haitsma, S Krabbendam, M Ebsen, B Lachmann, U X Kaisers
The complement system contributes to ventilator induced lung injury (VILI). We hypothesized that pretreatment with the C1 esterase inhibitor (C1INH) Berinert® constrains complement activation consecutively inducing improvements in arterial oxygenation and histological pulmonary damage. At baseline, male Sprague-Dawley rats underwent mechanical ventilation in a conventional mode (PIP 13 cm H2O, PEEP 3 cm H2O). In the Control group, the ventilator setting was maintained (Control, n = 15). The other animals randomly received intravenous pretreatment with either 100 units/kg of the C1-INH Berinert® (VILI-C1INH group, n = 15) or 1 ml saline solution (VILI-C group, n = 15)...
December 2016: Journal of Physiology and Pharmacology: An Official Journal of the Polish Physiological Society
https://www.readbyqxmd.com/read/28195071/spatial-differences-of-matrix-metalloproteinase-2-and-matrix-metalloproteinase-9-within-abdominal-aortic-aneurysm-wall-and-intraluminal-thrombus
#4
A Siennicka, M Zuchowski, M Kaczmarczyk, M Cnotliwy, J S Clark, M Jastrzebska
Formation of an abdominal aortic aneurysm is a complex process involving aortic wall degradation. The matrix metalloproteinases (MMPs) mainly involved in this process are MMP-2 and MMP-9. Most aneurysms contain an intraluminal thrombus. It is suggested that the thrombus' thickness correlates with the risk of aneurysm rupture and may be a new prognostic factor. The purpose of the present study was to investigate enzyme protein levels in thick (A1) and thin (B1) segments of the thrombus and aneurysm wall sections A (adjacent to A1) and B (adjacent to B1)...
December 2016: Journal of Physiology and Pharmacology: An Official Journal of the Polish Physiological Society
https://www.readbyqxmd.com/read/28195070/effect-of-ivabradine-captopril-and-melatonin-on-the-behaviour-of-rats-in-l-nitro-arginine-methyl-ester-induced-hypertension
#5
S Aziriova, K Repova, K Krajcirovicova, T Baka, S Zorad, V Mojto, P Slavkovsky, J Hodosy, M Adamcova, L Paulis, F Simko
Cardiovascular diseases including hypertension are often associated with behavioural alterations. The aim of this study was to show, whether ivabradine, the blocker of If-channel in sinoatrial node, is able to modify the behaviour of rats in L-nitro-arginine methyl ester (L-NAME)-induced hypertension and to compare the effect of ivabradine with captopril and melatonin. 12-week-old male Wistar rats were divided into the following groups: controls, ivabradine (10 mg/kg/24 h), L-NAME (40 mg/kg/24 h), L-NAME + ivabradine, L-NAME + captopril (100 mg/kg/24 h), L-NAME + melatonin (10 mg/kg/24 h)...
December 2016: Journal of Physiology and Pharmacology: An Official Journal of the Polish Physiological Society
https://www.readbyqxmd.com/read/28195069/salivary-oxidative-status-in-patients-with-oral-lichen-planus
#6
D Darczuk, W Krzysciak, P Vyhouskaya, B Kesek, D Galecka-Wanatowicz, W Lipska, T Kaczmarzyk, M Gluch-Lutwin, B Mordyl, M Chomyszyn-Gajewska
Reactive oxygen species (ROS) are involved in the pathogenesis of many inflammatory diseases, including oral lichen planus. Therefore, determining the salivary markers of oxidative stress is an excellent alternative approach to diagnosing oral cavity diseases. The objective of our study was to provide preliminary validation and determination of the salivary markers of oxidative stress in both patients with reticular and erosive forms of oral lichen planus as well as in healthy individuals without any oral lesions...
December 2016: Journal of Physiology and Pharmacology: An Official Journal of the Polish Physiological Society
https://www.readbyqxmd.com/read/28195068/expression-of-nerve-growth-factor-in-rat-stomach-implications-for-interactions-between-endothelial-neural-and-epithelial-cells
#7
A S Tarnawski, A Ahluwalia, M K Jones, T Brzozowski
: This study was aimed to determine the expression and localization of nerve growth factor (NGF) in the gastric mucosa. Transmural gastric specimens were obtained from euthanized rats. STUDIES: 1) expression of NGF and TrkA receptor by Western blotting; 2) histological evaluation of gastric wall architecture; 3) expression of NGF using immunostaining. Immunostaining showed strong and differential expression of NGF in neural elements of gastric myenteric and submucosal plexuses; in epithelial cells: mainly in chief and progenitor cells, in enterochromaffin-like (ECL) cells; and, in endothelial cells (ECs) lining blood vessels...
December 2016: Journal of Physiology and Pharmacology: An Official Journal of the Polish Physiological Society
https://www.readbyqxmd.com/read/28195067/the-effect-of-short-term-treatment-with-probiotic-vsl-3-on-various-clinical-and-biochemical-parameters-in-patients-with-liver-cirrhosis
#8
W Marlicz, E Wunsch, M Mydlowska, M Milkiewicz, K Serwin, M Mularczyk, P Milkiewicz, J Raszeja-Wyszomirska
The evidence is mounting that alterations of innate immunity and gut microbiota contribute to chronic liver disease and its complications. Modulation of intestinal microbiota is an emerging therapeutic strategy in hepatology. Probiotics through modulation of intestinal milieu have the potential to affect the course of liver disease. The data concerning the influence of probiotics on various plasma molecules and compounds involved in the pathogenesis of hyperdynamic circulatory state in liver cirrhosis is still not confluent and require further evaluation...
December 2016: Journal of Physiology and Pharmacology: An Official Journal of the Polish Physiological Society
https://www.readbyqxmd.com/read/28195066/successful-therapy-of-clostridium-difficile-infection-with-fecal-microbiota-transplantation
#9
P C Konturek, J Koziel, W Dieterich, D Haziri, S Wirtz, I Glowczyk, K Konturek, M F Neurath, Y Zopf
Clostridium difficile infection (CDI) is the most common cause of infectious diarrhea and represents an important burden for healthcare worldwide. Symptoms of severe CDI include watery, foul-smelling diarrhea, peripheral leucocytosis, increased C-reactive protein (CRP), acute renal failure, hypotension and pseudomembranous colitis. Recent studies indicate that the main cause of CDI is dysbiosis, an imbalance in the normal gut microbiota. The restoration of a healthy gut microbiota composition via fecal microbiota transplantation (FMT) recently became more popular...
December 2016: Journal of Physiology and Pharmacology: An Official Journal of the Polish Physiological Society
https://www.readbyqxmd.com/read/28195065/effect-of-econazole-and-benzydamine-on-sensory-neurons-in-culture
#10
S Mathivanan, R de la Torre-Martinez, C Wolf, G Mangano, L Polenzani, C Milanese, A Ferrer-Montiel
Econazole is an anti-mycotic agent widely used for the treatment of cutaneous fungal infections, and for the therapy of vaginal candidiasis. Topical application of this azole is generally safe, although some patients have complained of mild burning sensation/cutaneous irritation and itching, especially when administered intravaginally. The underlying mechanisms responsible of these adverse effects are poorly understood, though they suggest excitation of cutaneous nociceptor terminals. We report that exposure of primary cultures of rat nociceptors to econazole augments neuronal excitability...
December 2016: Journal of Physiology and Pharmacology: An Official Journal of the Polish Physiological Society
https://www.readbyqxmd.com/read/28195064/catecholamines-reduce-transient-receptor-potential-vanilloid-type-1-desensitization-in-cultured-dorsal-root-ganglia-neurons
#11
A Filippi, C Caruntu, R O Gheorghe, A Deftu, B Amuzescu, V Ristoiu
Sympathetic nervous system and adrenergic receptors are involved in the modulation of dorsal root ganglia neuronal activity, with TRPV1 receptor as an important downstream effector. It is already known that adrenergic sensitization of TRPV1 receptors or catecholamine-induced TRPV1 upregulation are involved in increased excitability and pain via mainly α1 adrenergic receptors, but it is not known if reduced TRPV1 desensitization is involved in this process, as well. Therefore, the aims of this study were to evaluate the effects of epinephrine and norepinephrine on TRPV1 desensitization induced by repeated applications of capsaicin and to assess what would be the involvement of the major α1, α2 and β adrenergic receptor subtypes...
December 2016: Journal of Physiology and Pharmacology: An Official Journal of the Polish Physiological Society
https://www.readbyqxmd.com/read/28195063/generation-of-membrane-bound-catechol-o-methyl-transferase-deficient-mice-with-disctinct-sex-dependent-behavioral-phenotype
#12
A Tammimaki, A Aonurm-Helm, F P Zhang, M Poutanen, G Duran-Torres, A Garcia-Horsman, P T Mannisto
Catechol-O-methyltransferase (COMT) has two isoforms: soluble (S-COMT), which resides in the cytoplasm, and membrane-bound (MB-MT), anchored to intracellular membranes. COMT is involved in the O-methylation of L-DOPA, dopamine and other catechols. The exact role of MB-COMT is still mostly unclear. We wanted to create a novel genetically modified mouse model that specifically lacks MB-COMT activity and to study their behavioral phenotype. MB-COMT knock-in mutant mice were generated by introducing two point mutations in exon 2 of the Comt gene (ATGCTG->GAGCTC disabling the function of the P2 promoter and allowing only the P1-regulated S-COMT transcription...
December 2016: Journal of Physiology and Pharmacology: An Official Journal of the Polish Physiological Society
https://www.readbyqxmd.com/read/28195062/the-influence-of-the-tumor-necrosis-factor-alpa-308g-a-polymorphism-on-the-efficacy-of-immunosuppressive-therapy-in-patients-after-kidney-transplantation
#13
M M Kotowski, A Bogacz, J Bartkowiak-Wieczorek, J Sienko, D Procyk, K Dziewanowski, M Ostrowski, B Czerny, E Grzeskowiak, B Machalinski
Cytokines play an important role in the immune response. The calcineurin inhibitors (cyclosporine CsA, tacrolimus TAC) widely used after renal transplantation to prevent allograft rejection are immunosuppressive drugs suppressing the production of cytokines. These drugs are characterized by interindividual variability and require monitoring their blood concentrations to predict their optimal dosage. Therefore, the aim of the study was to determine the correlation between therapeutic effects of immunosuppressants and the tumor necrosis factor-α (TNF-α)-308G>A polymorphism in renal transplant patients...
December 2016: Journal of Physiology and Pharmacology: An Official Journal of the Polish Physiological Society
https://www.readbyqxmd.com/read/28195061/overview-of-the-preclinical-pharmacological-properties-of-nigella-sativa-black-seeds-a-complementary-drug-with-historical-and-clinical-significance
#14
E Z Dajani, T G Shahwan, N E Dajani
Nigella sativa (N. sativa, black seeds; or sometimes known by many other names such as the blessed seed by the Arabs, black cumin in the Holy Bible, black caraway and Kalonji in South Asia) has been traditionally used for many years not only as a food but also as complementary drug. It is the objective of this communication to review the evidence-based pre-clinical pharmacological actions of N. sativa as a basis of its existing and potential new human clinical uses. Primary PubMed literature searches and secondary Medline searches were conducted to define N...
December 2016: Journal of Physiology and Pharmacology: An Official Journal of the Polish Physiological Society
https://www.readbyqxmd.com/read/28195060/pathophysiology-and-clinical-characteristics-of-pain-in-most-common-locations-in-cancer-patients
#15
W Leppert, R Zajaczkowska, J Wordliczek, J Dobrogowski, J Woron, M Krzakowski
Pain is one of the most common symptoms in cancer patients, especially in advanced disease. However, pain also accompanies a significant percentage of patients during diagnostic and therapeutic procedures. In some patients pain may be the first symptom of the disease. The causes of pain in cancer patients are often multifactorial including direct and indirect cancer effects, anticancer therapy and co-morbidities. Moreover, pain in cancer patients often has mixed pathophysiology including both nociceptive and neuropathic components, especially in patients with bone metastases...
December 2016: Journal of Physiology and Pharmacology: An Official Journal of the Polish Physiological Society
https://www.readbyqxmd.com/read/28011958/cationic-porphyrin-mediated-photodynamic-inactivation-of-candida-biofilms-and-the-effect-of-miconazole
#16
A Davies, S Gebremedhin, M Yee, R J Padilla, N Duzgunes, K Konopka, B Dorocka-Bobkowska
The formation of biofilms by Candida and the increasing resistance of Candida species to antifungals contribute to the high recurrence rates of denture stomatitis. This increase has stimulated an interest in antimicrobial photodynamic therapy (aPDT) as an alternative treatment. We examined the photoactivity of the porphyrin-based photosensitizer, TMP-1363, against biofilms of C. albicans, C. glabrata, C. tropicalis and C. parapsilosis, and the effect of the combined use of miconazole and aPDT. Biofilms of three American Type Culture Collection (ATCC) strains and four clinical isolates developed on poly(methyl methacrylate) (PMMA) disks, were incubated with miconazole, followed by treatment with TMP-1363 for 30 min at 37°C...
October 2016: Journal of Physiology and Pharmacology: An Official Journal of the Polish Physiological Society
https://www.readbyqxmd.com/read/28011957/effect-of-pulsed-electromagnetic-fields-on-endoplasmic-reticulum-stress
#17
E Keczan, G Keri, G Banhegyi, I Stiller
The maintenance of protein homeostasis in the endoplasmic reticulum (ER) is crucial in cell life. Disruption of proteostasis results in ER stress that activates the unfolded protein response (UPR); a signalling network assigned to manage the accumulated misfolded or unfolded proteins. Prolonged or unresolved ER stress leads to apoptotic cell death that can be the basis of many serious diseases. Our aim was to study the effect of pulsed electromagnetic fields (PEMF), an alternative, non-invasive therapeutic method on ER stressed cell lines...
October 2016: Journal of Physiology and Pharmacology: An Official Journal of the Polish Physiological Society
https://www.readbyqxmd.com/read/28011956/repeated-cures-with-paracetamol-worsen-sarcopenia-in-old-rats-with-suboptimal-food-intake
#18
C Mast, I Savary-Auzeloux, D Remond, C Pouyet, D Centeno, G Voyard, L Combaret, D Dardevet, I Papet
The availability of all amino acids is of prime importance to prevent the ageing-associated decrease in skeletal muscle mass i.e. sarcopenia. Cysteine is the precursor of sulfate and glutathione that are both utilized in the liver to detoxify paracetamol (APAP). Cysteine availability could become limiting under repeated cures with APAP, especially when food intake is suboptimal. The aim of the study was to determine whether repeated cures with APAP could worsen sarcopenia. Twenty-two-month-old male Wistar rats received 3 two-week-long cures of APAP (1% of the diet) intercalated with washout periods of two weeks (APAP group)...
October 2016: Journal of Physiology and Pharmacology: An Official Journal of the Polish Physiological Society
https://www.readbyqxmd.com/read/28011955/the-protective-effects-of-zinc-in-experimental-gentamicin-induced-acute-renal-failure-in-rats
#19
O Teslariu, A S Pasca, L Mititelu-Tartau, C E Schiriac, C Gales, P M Saftencu, M Nechifor
This study investigates the effects of zinc in acute kidney injury induced by gentamicin (Ge). We used Wistar male rats distributed in 4 groups of 12 animals each, treated intraperitoneally as follows: Group I (Control) treated with distilled water; Group II (Ge) with experimental induced acute renal failure with Ge; Group III (Ge + Zn) administration of ZnCl2 in animals with experimental induced renal failure with Ge, Group IV (Zn) treated with ZnCl2 as positive control. We measured serum levels of urea, creatinine, total antioxidant status, superoxide dismutase, glutathione peroxidase and urinary proteins before the nephrotoxicity induction (baseline) and 3, 7 and 10 days after Ge administration...
October 2016: Journal of Physiology and Pharmacology: An Official Journal of the Polish Physiological Society
https://www.readbyqxmd.com/read/28011954/new-cationically-modified-pullulan-attenuates-atherogenesis-and-influences-lipid-metabolism-in-apoe-knockout-mice
#20
J Stefan, K Kus, A Wisniewska, K Kaminski, K Szczubialka, J Jawien, M Nowakowska, R Korbut
Pullulan is a biocompatible polysaccharide obtained from black, yeast-like fungus Aureobasidium pullulans. This polymer is used to deliver various substances to the liver because of its specificity for this organ. Pullulan is internalized into hepatocytes in the process of asialoglycoprotein receptor mediated endocytosis. Recently, by reaction with glycidyltrimethylammonium chloride (GTMAC) we have successfully synthesized a cationically-modified pullulan (Pull-GTMAC). Pull-GTMAC exhibits some unique beneficial effects not found for its native counterpart...
October 2016: Journal of Physiology and Pharmacology: An Official Journal of the Polish Physiological Society
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