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Folia Biologica (Krakow)

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https://www.readbyqxmd.com/read/29847081/adipose-tissue-tumor-necrosis-factor-%C3%AE-and-interleukin-6-response-to-glucocorticoid-treatment-during-inflammation
#1
Joanna Zubel-Lojek, Ews Oclon, Anna Latacz, Krystyna Pierzchala-Koziec
The study was performed to examine the actions of glucocorticoids on cytokine (TNF-α and IL-6) concentrations in blood plasma, adipose tissue and cytokines gene expression during acute (streptozotocin, STZ treatment) and chronic inflammation (overweight) in Swiss mice. The experiment was carried out on 6-week-old animals divided into two groups: I - non-obese (fed with a commercial food) and II - overweight mice (fed with a high-fat diet). In each group mice were divided into 4 experimental subgroups: I - control, II - acute inflammation (STZ), III - treated with glucocorticoids (DEX), and IV - STZ with DEX...
2016: Folia Biologica (Krakow)
https://www.readbyqxmd.com/read/29847080/muscle-fibre-characteristics-and-physico-chemical-parameters-of-m-semimembranosus-from-pulawska-polish-large-white-and-pietrain-pigs
#2
Dorota Wojtysiak, Magdalena Gorska, Joanna Wojciechowska
The aim of the study was to compare muscle fibre parameters and quality of m. seninembranosus in pigs. The experiment was conducted with 18 Pulawska pigs, 24 Polish Large White (PLW) pigs, and 24 Pietrain pigs slaughtered at 105 kg body weight. The results obtained indicate that the breed of pigs has a significant effect on both muscle fibre composition and vascularization. The muscles of Pulawska pigs are the most oxidative, as evidenced by the greatest number of capillaries and the highest percentage of type I and IIA fibres compared to the muscle of PLW and Pietrain pigs...
2016: Folia Biologica (Krakow)
https://www.readbyqxmd.com/read/29847079/antioxidant-enzymes-in-brain-cortex-of-rats-exposed-to-acute-chronic-and-combined-stress
#3
Snezana Pejic, Vesna Stojikjkovic, Ana Todorovic, Ljubica Gavrilovic, Ivan Pavlovic, Natasa Popovic, Snezana B Pajovic
The study deals with manganese superoxide dismutase, copper, zinc superoxide dismutase, and catalase activities in brain cortex of Wistar rats exposed to acute stress (immobilization or cold for 2 h), chronic stress (long-term isolation or long-term forced swimming for 21 days), or to combined chronic/acute stress. We observed that i) single episodes of acute stress by immobilization increased activity of both superoxide dismutases; ii) both types of chronic stresses significantly elevated activities of all examined enzymes; iii) chronic social isolation was a much stronger stressor than physical stress by swimming; iv) in animals pre-exposed to chronic isolation, additional stress by immobilization or cold significantly decreased previously elevated activities of all enzymes, while after chronic swimming, acute immobilization lowered only catalase activity...
2016: Folia Biologica (Krakow)
https://www.readbyqxmd.com/read/29847078/immunolocalization-of-the-task2-potassium-channel-in-frog-kidney
#4
Jelena Nesovic-Ostojic, Jasmina Markovic-Lipkovski, Jasna Todorovic, Sanja Cirovic, Sanjin Kovacevic, Aleksandra Paunovic, Dusan Cemerikic, Aleksandar Milovanovic
TASK2 (K2P5. 1, KCNK5) is a two-pore domain K⁺ channel belonging to the TALK subgroup of the K2P family of proteins. TASK2 expression has been reported in a variety of cells and tissues ranging from kidney to immune cells and including specific neurons, its proposed functions spanning from involvement in the regulation of cell volume to control of excitability. The purpose of this study was to determine the tubule location ofthe TASK2 K⁺ channel protein in frog kidney applying polyclonal antibody against the carboxyl terminus of human TASK2 (KCNK5) protein...
2016: Folia Biologica (Krakow)
https://www.readbyqxmd.com/read/29847077/functional-morphology-of-the-upper-and-lower-eyelids-third-eyelid-lacrimal-gland-and-superficial-gland-of-the-third-eyelid-in-the-red-kangaroo-macropus-rufus
#5
Joanna Kleckowska-Nawrot, Karolina Gozdziewska-Harlajczuk, Karolina Barszcz, Maciej Janeczek
A study concerning the upper (UE) and lower (LE) eyelids, lacrimal gland (LG), superficial gland of the third eyelid (SGTE) and third eyelid (TE) was conducted on 4 sexually mature red kangaroos (2 males and 2 females). Gross anatomical, histological, histometrical, histochemical and ultrastructural (TEM) components were compared. Tissue sections were stained with haematoxylin and eosin, azan-trichrome, van Gieson, Masson-Goldner trichrome, methyl green-pyronin Y, periodic acid-Schiff, alcian blue pH 2.5, aldehyde fuchsin and Hale's dialysed iron...
2016: Folia Biologica (Krakow)
https://www.readbyqxmd.com/read/29847076/early-development-and-post-embryonic-skeletal-morphology-of-the-progeny-of-spined-loach-cobitis-taenia-l-teleostei-cobitidae-and-its-naturally-occurring-allotriploids
#6
Dorota Juchno, Alicja Boron, Jolanta Szlachciak, Roman Kujawa
Polyploid fishes of the genus Cobitis represent a valuable model system to study the origin and consequences of hybridization and polyploidization within vertebrates. These naturally accessible polyploids are an excellent subject to determine the advantages or disadvantages of polyploidy. We investigated the embryonic and larval development with skeletal morphology of diploid and polyploid Cobitis progeny, obtained from crosses between females and males of Cobitis taenia and between allotriploid Cobitis females and C...
2016: Folia Biologica (Krakow)
https://www.readbyqxmd.com/read/29847075/expression-of-caveolin-1-in-human-cutaneous-and-uveal-melanoma-cells
#7
Klaudyna Belkot, Monika Bubka, Anna Litynska
Caveolin-1 can act as a tumour promoter or suppressor depending on the cancer type and stage. In melanoma, information available concerning its expression is ambiguous. In this study, we investigated caveolin-1 mRNA and protein expression levels in human melanoma cell lines of different origin and progression stages. Metastatic cutaneous (WM-266-4, A375), primary cutaneous (WM- 115, IGR-39) and primary uveal (mel-202, 92-1) cells were used for quantitative RT-PCR, Western blotting and confocal microscopy. We observed significantly higher expression of caveolin-I mRNA in cutaneous than in uveal melanoma cells...
2016: Folia Biologica (Krakow)
https://www.readbyqxmd.com/read/29847074/effects-of-prebiotics-and-synbiotics-delivered-in-ovo-on-broiler-small-intestine-histomorphology-during-the-first-days-after-hatching
#8
Joanna Bogucka, Agata Dankowiakowska, Gabriela Elminowska-Wenda, Adrianna Sobolewska, Agata Szczerba, Marek Bednarczyk
The objective of the study was to determine the effect of prebiotics and synbiotics administered in ovo on the 12th day of incubation, on the development of the intestinal villi and the number of goblet cells in the small intestine of broiler chickens on the Ist and the 4th days of life of chicks. Two prebiotics: inulin (PI) or Bi2tos (PB) and two synbiotics: inulin + L. lactis subsp. lactis (SI) or Bi2tos + L. lactis subsp. cremoris (SB) were injected in ovo on the 12th day of embryonic development. The control group of the embryos was injected with physiological saline (C)...
2016: Folia Biologica (Krakow)
https://www.readbyqxmd.com/read/29809367/changes-in-biochemical-properties-of-the-blood-in-winter-swimmers
#9
Aneta Teleglow, Jakub Marchewka, Anna Marchewka, Jan Kulpa
The aim of the study was to investigate the effects of winter swimming on biochemical indicators of the blood. The subjects - winter swimmers - belonged to the Krakow Walrus Club "Kaloryfer" - "The Heater". The study group consisted of 11 men, aged 30-50 years, 'walrusing' throughout the whole season from November to March. Statistically significant changes throughout the 'walrusing' season were observed for the following biochemical parameters: a decrease in sodium (mmol/1), chloride (mmol/1), alpha-2 globulin(g/1), gamma globulin (g/1), IgG (g/1), and an increase in albumin (g/1), indicator A/G, IgA (g/l ), Herpes simplex virus IgM...
2016: Folia Biologica (Krakow)
https://www.readbyqxmd.com/read/29809366/exposure-of-eisenia-andrei-oligochaeta-lumbricidea-to-cadmium-polluted-soil-inhibits-earthworm-maturation-and-reproduction-but-not-restoration-of-experimentally-depleted-coelomocytes-or-regeneration-of-amputated-segments
#10
Viktoria Takacs, Laszlo Molnar, Beata Klimek, Adrianna Galuszka, A John Morgan, Barbara Plytycz
Lumbricid earthworms are often exposed to polluted soil. They are also commonly subjected to various stimuli and attacks by predators that induce extrusion of coelomocyte-containing coelomic fluid and/or the loss of body segments followed by the renewal of immune-competent cells and regeneration of tissues/organs. The aim of our investigations was to test the effects of exposure of the earthworm Eisenia andrei to cadmium-polluted soil, combined with electrostimulation-induced depletion of coelomocytes (i.e...
2016: Folia Biologica (Krakow)
https://www.readbyqxmd.com/read/29809365/on-the-generic-position-of-polyommatus-avinovi-lepidoptera-lycaenidae
#11
Nazar Shapoval, Vladimir Lukhtanov
Polyommatus avinovi (Stshetkin, 1980), an enigmatic taxon from Tajikistan has been considered in the literature either as a member of the genus Polyonimatus, or a taxon belonging to the genus Rimisia. None of the conclusions on taxonomy and nomenclature of P. avinovi were supported by molecular or cytological data, therefore the problem of identity and phylogenetic position of this taxon has remained unsolved. Here we use the barcoding fragment of the COIgene as a molecular marker to demonstrate that none of these hypotheses are true...
2016: Folia Biologica (Krakow)
https://www.readbyqxmd.com/read/29809364/seasonal-variability-of-the-paramecium-aurelia-complex-in-the-botanical-garden-of-the-jagiellonian-university-krak6w-in-the-light-of-species-composition-and-coi-haplotype-variation
#12
Ewa Przybos, Marta Surmacz, Sebastian Tarcz
The temporal occurrence of some Paramecium aurelia species is still an intriguing problem as cysts were never reported to exist in the Paramecium genus. A sequence of species occurrence was studied (by strain crosses and molecular identification) in five water-bodies of the Jagiellonian University Botanical Garden in Krak6w in different sampling sites and different seasons of the year. In the current study 20 P. aurelia strains were isolated from collected water samples and identified as P. biaurelia, P. tetraurelia, P...
2016: Folia Biologica (Krakow)
https://www.readbyqxmd.com/read/29809363/first-description-of-supernumerary-chromosomes-in-ictaluruspunctatus-rafinesque-1818-reveals-active-ribosomal-genes-in-the-b-complement
#13
Fernanda Dotti do Prado, Sandro Natal Daniel, Manolo Penitente, Diogo Teruo Hashimoto, Fausto Foresti, Fabio Porto-Foresti
The North American channel catfish Ictalurus punctatus Rafinesque 1818 is cultivated in the United States, Asia and Brazilian fish farms, and also utilized as a model species in aquaculture and genetic studies. In this work, cytogenetic analysis of . punctatus from Brazilian aquaculture revealed for the first time the presence of extra elements (supernumerary or B chromosomes) in this species. These elements were characterized as dot-like micro B chromosomes and were found in three individuals (varying from 0 to 1) and in one individual with higher incidence per cell (varying from 0 to 5; mean number of Bs per cell = 2...
2016: Folia Biologica (Krakow)
https://www.readbyqxmd.com/read/29809362/hematological-alterations-as-a-response-to-exposure-to-selected-fungicides-in-common-carp-cyprinus-carpio-l
#14
Hanna Lutnicka, Bartosz Bojarski, Agnieszka Ludwikowska, Danuta Wronska, Teresa Kaminska, Joanna Szczygiel, Agnieszka Troszok, Katarzyna Szambelan, Grzegorz Formicki
The aim of the present study was to assess the hematological response of common carp to fungicides and to determine recovery patterns in fungicide-free water. Fish were exposed to mancozeb, prochloraz or tebuconazole (at concentrations of 1.0, 1.0 and 2.5 mg 1⁻¹, respectively) for 14 days followed by a 30-day recovery period. The following hematological parameters were examined after 1, 3 and 14 days of exposure as well as after recovery time: red blood cells (RBC), hematocrit (Het), total hemoglobin concentration (Hb), mean corpuscular volume (MCV), mean corpuscular hemoglobin concentration (MCHC), mean corpuscular hemoglobin (MCH), total number of leukocytes (WBC) and leukograms...
2016: Folia Biologica (Krakow)
https://www.readbyqxmd.com/read/29809361/genetic-variation-in-the-nd1-gene-and-d-loop-in-protected-and-commercially-exploited-european-cisco-coregonus-albula-l-populations
#15
Lucyna Kirczuk, Anna Rymaszewska, Malgorzata Pilecka-Rapacz, Jozef Domagala
The European cisco (Coregonus albula L.) is a species with high environmental requirements. The deterioration of environmental conditions in recent decades has decreased its distribution. Currently the species is conserved by stocking, and the few existing natural populations are at risk of extinction. Therefore, contemporary studies involve not only reporting phenotypic parameters, but also determining the genetic structure of the population. This is an important aspect monitored in the C. albula population, which provides information valuable for proper fishing economy...
2016: Folia Biologica (Krakow)
https://www.readbyqxmd.com/read/29809360/a-pilot-study-of-tissue-factor-tissue-factor-pathway-inhibitor-axis-and-other-selected-coagulation-parameters-in-broiler-chickens-administered-in-ovo-with-selected-prebiotics
#16
Mateusz Buzala, Michal Blazej Ponczek, Artur Slomka, Aleksandra Roslewska, Bogdan Janicki, Ewa Zekanowska, Marek Bednarczyk
The tissue factor (TF) - tissue factor pathway inhibitor (TFPI) axis plays a major role in hemostasis. Disorders of the coagulation system are commonly diagnosed with the help of screening tests such as prothrombin time (PT), activated partial thromboplastin time (aPTT), and plasma fibrinogen concentration (PFC). However, the effect of prebiotics on the hemostasis system has not been characterized in poultry yet. This study was designed to determine the effect of in ovo administration ofprebiotics on blood coagulation parameters of broiler chickens depending on their age...
2016: Folia Biologica (Krakow)
https://www.readbyqxmd.com/read/29537194/differential-time-course-of-restoration-of-experimentally-depleted-coelomocytes-and-fluorophores-in-the-earthworm-eisenia-andrei
#17
Michal Santocki, A John Morgan, Barbara Plytycz
Stressed earthworms expel coelomic fluid containing several vital cellular and soluble components, thus their post-stress recovery has adaptive value. The present manuscript describes the recovery rates of coelomocytes (amoebocytes and eleocytes) and two fluorophores (riboflavin and 4-methylumbelliferyl β-D-glucuronide, MUG) after experimental extrusion by electrostimulation. Analyses were conducted at time points (from 0.5 hour to 7 weeks) by a combination of cell counts, spectrofluorimetric measurements of riboflavin and MUG, and fluorescence microscopy...
2016: Folia Biologica (Krakow)
https://www.readbyqxmd.com/read/29537193/morphometric-changes-of-the-central-nervous-system-of-oligomelic-tegenaria-atrica-spiders
#18
Teresa Napiórkowska, Paweł Napiórkowski, Julita Templin
Oligomely is an anomaly manifested in the morphology of spiders (except for deformations of the prosoma and exoskeleton), by the absence of one or more appendages, and in their anatomy by the absence of neuromeres. This study was aimed at determining whether there is a correlation between the absence of a neuromere or its half in the subesophageal ganglia and the volume of the prosoma. Morphometric studies involved oligomelic specimens of Tegenaria atrica with the absence of one walking leg and two walking legs...
2016: Folia Biologica (Krakow)
https://www.readbyqxmd.com/read/29537192/cross-species-amplification-of-coat-colour-genes-in-nutria-myocastor-coypus-mol
#19
Łukasz Migdał, Toma Ząbek, Anna Migdał, Stanisław Łapiński, Józef Bieniek, Monika Bugno-Poniewierska
In this study, nutria-specific DNA fragments were amplified with cross-species primers for parts of coat colour genes (MC1R, ASIP, TYRP-1, c-KIT) conserved across a number of species. Twenty-three nutria-specific DNA fragments were generated using cross-species PCR (26.7% amplification success rate). Certain limitations of this approach were encountered, including strong mismatching in the primer binding sites. Sequences of 12 nutria-specific PCR products aligned in the BLASTx option showed homology with known protein sequences...
2016: Folia Biologica (Krakow)
https://www.readbyqxmd.com/read/29537191/postconditioning-effectively-prevents-trimethyltin-induced-neuronal-damage-in-the-rat-brain
#20
Maria Lalkovicova, Jozef Burda, Miroslava Nemethova, Rastislav Burda, Viera Danielisova
Trimethyltin (TMT) is a toxic substance formerly used as a catalyst in the production of organic substances, as well as in industry and agriculture. TMT poisoning has caused death or severe injury in many dozens of people. The toxicity of TMT is mediated by dose dependent selective damage to the limbic system in humans and other animals, specifically the degeneration of CA1 neurons in the hippocampus. The typical symptoms include memory loss and decreased learning ability. Using knowledge gained in previous studies of global ischaemia, we used delayed postconditioning after TMT intoxication (8 mg/kg i...
2016: Folia Biologica (Krakow)
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