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Folia Histochemica et Cytobiologica

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https://www.readbyqxmd.com/read/30070682/study-of-the-hydromineral-regulation-of-typhlonectes-compressicauda-according-to-the-seasonal-variation
#1
Mohammad Yousef, Elara N Moudilou, Hafsa Kadji, Jean-Marie Exbrayat
INTRODUCTION: Typhlonectes compressicauda is a viviparous gymnophionan amphibian living in tropical areas of South America. This lengthened amphibian is submitted to seasonal variations characterized by a rainy season (January till June) and a dry season (July till December).To further understand the physiology of the hydromineral regulation of this species. This is partly ensured in amphibians by pituitary neurohormones: arginine-vasotocin (AVT), and mesotocin (MST). These two hormones were localized in the hypothalamus, and their receptors, mesotocin receptors (MTR) and vasotocin receptors (VTR2) in the kidney...
August 2, 2018: Folia Histochemica et Cytobiologica
https://www.readbyqxmd.com/read/30053310/age-associated-functional-morphology-of-thyroid-and-its-impact-on-vimentin-cytokeratin-vegf-the-role-of-nigella-in-refinement
#2
Sherif Mohamed Zaki, Enas Ahmed Mohamed, Shereen Abdel Fattah, Hend Abdullah, Lucyna Kaszubowska
BACKGROUND: Aging causes morphological and functional changes in the thyroid gland. The free radicals play a key role in the pathology of normal aging. Vimentin and cytokeratin are cytoskeletal intermediate filaments. They are utilized as an indirect detector of many tissue injuries including thyroid tissue injury. AIMS: This study was designed to clarify the age-related alterations in the structure and function of the thyroid gland. The relationship between oxidative/antioxidative stress markers (Malondialdehyde/ glutathione superoxide dismutase) (MDA/GSH, SOD) and the cytoskeletal intermediate filaments (vimentin and cytokeratin) from one side and between oxidative/antioxidative stress markers and the vascular endothelial growth factor (VEGF) from the other side during the aging process were elucidated...
July 27, 2018: Folia Histochemica et Cytobiologica
https://www.readbyqxmd.com/read/29998457/effects-of-genistein-on-insulin-pathway-related-genes-in-mouse-differentiated-myoblast-c2c12-cell-line-evidences-for-two-independent-modes-of-action
#3
Sławomir Lewicki, Aneta Lewicka, Bolesław Kalicki, Agnieszka Sobolewska-Ruta, Bogdan Debski, Robert Zdanowski, Tomasz Syryło, Malgorzata Kloc, Jacek Zbigniew Kubiak
INTRODUCTION: Genistein (plant isoflavone) is a well-known anti-cancer drug with estrogenic-like properties. Genistein also regulates sugar and lipid metabolism; thus, it has anti-diabetic properties. The aim of the study was to evaluate in vitro effects of genistein on glucose transport, fatty acids oxidation, activation of PKB, and expression of genes related to insulin pathway in differentiated myoblast C2C12 mouse cell line. MATERIAL AND METHODS: Differentiated myoblast C2C12 mouse cell line was used to assess the effects of different genistein concentrations on glucose transport and fatty acids oxidation measured by radioactivity technique, activation of PKB, and expression of selected genes related to insulin signaling pathway (IR-α, IR-β, IRS-1, PKB, GLUT-4, PP2A, SH-PTP2) at the mRNA and protein levels...
July 12, 2018: Folia Histochemica et Cytobiologica
https://www.readbyqxmd.com/read/29949181/endometriosis-insights-into-a-multifaceted-entity
#4
Cornelia Amalinei, Ioana Păvăleanu, Ludmila Lozneanu, Raluca Balan, Simona-Eliza Giuşcă, Irina-Draga Căruntu
Firstly described at the end of nineteenth century, endometriosis remains an enigmatic disease, from etio-pathogenesis to specific markers of diagnosis and its ability to associate with malignancies. Our review has been designed from a historical perspective and steps up to an updated understanding of the disease, facilitated by relatively recent molecular and genetic progresses. Although the histopathological diagnosis is relatively simple, the therapy is difficult or ineffective. Experimental models have been extremely useful as they reproduce the human disease and allow the testing of different potential modulators or treatment options...
2018: Folia Histochemica et Cytobiologica
https://www.readbyqxmd.com/read/29888781/alterations-in-porcine-intrahepatic-sympathetic-nerves-after-bisphenol-a-administration
#5
Michael Thoene, Janusz Godlewski, Liliana Rytel, Ewa Dzika, Ewa Bejer-Olenska, Joanna Wojtkiewicz
INTRODUCTION: Bisphenol A (BPA) is used in the chemical industry for manufacturing plastics which are used as food packaging. Data indicate that BPA is released from such products and is widely present in the environment and the human body. So far, the EFSA and the US FDA have determined "safe" BPA oral exposure levels, and a large amount of data indicates that BPA is harmful even at low-doses. Our previously performed analyses concerning BPA exposure demonstrated the impact of this substance on parasympathetic and peptidergic nerve fibers present within the liver...
2018: Folia Histochemica et Cytobiologica
https://www.readbyqxmd.com/read/29888780/immunohistochemical-expression-of-fascin-1-in-colorectal-cancer-in-relation-to-clinical-and-pathological-parameters
#6
Barbara M Piskor, Anna Pryczynicz, Emilia Lubowicka, Katarzyna Miniewska, Justyna Zinczuk, Konrad Zareba, Katarzyna Guzinska-Ustymowicz
INTRODUCTION: Fascins are a group of proteins taking part in the maintenance of a proper structure of the cellular cytoskeleton. Fascin-1 is an actin-bundling protein present in neurons, fibroblasts, endothelial, smooth muscle, dendritic and mesenchymal cells whereas lack of its expression is characteristic of epithelial cells. Fascin-1 overexpression can be observed in neoplastic cells. Therefore, the aim of this study was to assess the expression of Fascin-1 protein in patients with colorectal cancer (CRC) and to analyze associations between Fascin-1 ex-pression and clinical-pathological parameters...
2018: Folia Histochemica et Cytobiologica
https://www.readbyqxmd.com/read/29873058/immunohistochemical-study-on-neuropilin-1-nrp1-immunoexpression-in-oral-squamous-cell-carcinoma
#7
Olga Stasikowska-Kanicka, Małgorzata Wągrowska-Danilewicz, Marian Danilewicz
INTRODUCTION: Neuropilins (NRPs) are multifunctional glycoproteins that play an important role in angiogenesis and cancer progression. The aim of the study was to examine the immunoexpression of neuropilin 1 (NRP1), the number of NRP1+ infiltrating cells and CD163+ macrophages, and density of microvessels (MVD) in oral squamous cell carcinoma (OSCC). MATERIAL AND METHODS: The study was performed on 45 OSCC patients with metastases (OSCCM+), 51 patients without metastases (OSCCM-) and 17 control cases...
2018: Folia Histochemica et Cytobiologica
https://www.readbyqxmd.com/read/29873057/the-concentration-of-ethanol-affects-its-penetration-rate-in-bovine-cardiac-and-hepatic-tissues
#8
Matthew Dunster-Jones, Michelle Steicke, James Mackie, Rachel Guthrie, Tam Nguyen Dinh, Fahima Ahmady, Jonathan Golledge, Yutang Wang
INTRODUCTION: Ethanol is a commonly used fixative. Fixation of the inner layers of the tissue depends on the ability of the fixative to diffuse into the tissue. It is unknown whether the concentration of ethanol affects its penetration into tissues. This study aimed to compare the penetration rates of 50% and 100% ethanol into bovine heart and liver tissues. MATERIALS AND METHODS: The penetration distance and tissue shrinkage or expansion were measured by analysing the digital images of the heart and liver tissues before and after immersion in ethanol at 20°C for 2, 6, 24 or 30 hours...
2018: Folia Histochemica et Cytobiologica
https://www.readbyqxmd.com/read/29770958/effects-of-massage-on-the-expression-of-proangiogenic-markers-in-rat-skin
#9
Katarzyna Ratajczak-Wielgomas, Krzysztof Kassolik, Jedrzej Grzegrzolka, Tomasz Halski, Aleksandra Piotrowska, Katarzyna Mieszala, Iwona Wilk, Marzenna Podhorska-Okolow, Piotr Dziegiel, Waldemar Andrzejewski
INTRODUCTION: Massage is a physiotherapeutic treatment, commonly used in both therapy and restoration of normal body functions. The aim of this work was to determine the effects of skin massage on stimulating the expression of angiogenesis-initiating factors, i.e. VEGF-A, FGF-2 (bFGF) and CD34 and on skin regeneration processes. MATERIAL AND METHODS: The study was conducted on 48 Buffalo strain rats, randomly divided into two groups. In the first group (M, the massaged group), massage was applied five times a week for 7 weeks...
2018: Folia Histochemica et Cytobiologica
https://www.readbyqxmd.com/read/29702723/professor-zofia-bielanska-osuchowska-1919-2017
#10
Jerzy Kawiak, Andrzej Łukaszyk
No abstract text is available yet for this article.
2018: Folia Histochemica et Cytobiologica
https://www.readbyqxmd.com/read/29577227/pathological-study-of-pulmonary-toxicity-induced-by-intratracheally-instilled-asian-sand-dust-kosa-effects-of-lowered-serum-zinc-level-on-the-toxicity
#11
Akinori Shimada, Kotaro Miyake, Yuri Kenmotsu, Kikumi Ogihara, Yuko Naya, Misaki Naota, Takehito Morita, Kenichiro Inoue, Hirohisa Takano
I: NTRODUCTION: We have previously reported that Asian sand dust (ASD) induced acute and chronic inflammatory changes in the lung of mice. Zinc (Zn) is reported to influence inflammation and wound healing. The purpose of the study was to assess the effects of lowered serum Zn levels on the lung toxicity induced by ASD. MATERIAL AND METHODS: Mice that were fed diets containing normal (group 1) or low (group 2) content of Zn for 8 weeks were intratracheally instilled with 3.0 mg of ASD, followed by sacrifice at 24 hours, 2 weeks, and 1, 2 and 3 months after instillation...
2018: Folia Histochemica et Cytobiologica
https://www.readbyqxmd.com/read/29577226/neuronal-nitric-oxide-synthase-phosphorylation-induced-by-docosahexaenoic-acid-protects-dopaminergic-neurons-in-an-experimental-model-of-parkinson-s-disease
#12
Hande Parlak, Ayse Ozkan, Sayra Dilmac, Gamze Tanriover, Ozlem Ozsoy, Aysel Agar
INTRODUCTION: Docosahexaenoic acid (DHA) has been shown to have beneficial effects on Parkinson's disease (PD). The aim of this study was to investigate if the DHA acts on neurons of substantia nigra (SN) by phosphorylation of neuronal nitric oxide synthase (nNOS) in an experimental mouse model of PD. MATERIAL AND METHODS: An experimental model of PD was created by intraperitoneal injections (4 × 20 mg/kg) of the neurotoxin 1-methyl-phenyl-1, 2, 3, 6-tetrahydropyridine (MPTP)...
2018: Folia Histochemica et Cytobiologica
https://www.readbyqxmd.com/read/29528086/epac1-is-involved-in-cell-cycle-progression-in-lung-cancer-through-pkc-and-cx43-regulation
#13
Qian Sun, Dai Wang, Ganghao Ai, Longben Tian, Long Zhao, Renzhen Chen, Kai Wang, Dongbei Guo, Youliang Yao, Wenzhi Liu, XIangyu Kong, Xiaoxuan Chen, Yongxing Zhang
INTRODUCTION: The exchange protein directly activated by cAMP (Epac1), a downstream target of the second messenger cAMP, modulates multiple biological effects of cAMP, alone or in cooperation with protein kinase A (PKC). Epac1 is necessary for promoting protein kinase C (PKC) translocation and activation. The aim of the study was to assess the intensity of Epac1 and protein kinase C (PKC) immunoreactivity in lung cancer and para-carcinoma tissues, and their associations with clinical-pathological indexes...
2018: Folia Histochemica et Cytobiologica
https://www.readbyqxmd.com/read/29516445/immunohistochemical-mapping-of-neurotensin-in-the-alpaca-diencephalon
#14
Manuel Lisardo Sánchez, Arturo Mangas, Luis Enrique Medina, Luis Angel Aguilar, Zaida Díaz-Cabiale, José Angel Narváez, Rafael Coveñas
INTRODUCTION: The distribution of the immunoreactive cell bodies and fibers containing neurotensin in the alpaca diencephalon was determined by an immunohistochemical technique. MATERIAL AND METHODS: The study was carried out in four male alpacas that lived at sea level. Brains of deeply anesthetized animals were fixed by perfusion with 4% paraformaldehyde. Cryostat sections were stained by a standard immunohistochemical method. RESULTS: Cell bodies containing neurotensin were observed in the zona incerta and hypothalamus...
2018: Folia Histochemica et Cytobiologica
https://www.readbyqxmd.com/read/29504116/cancer-immunotherapy-in-mice-and-humans-personal-observations
#15
Jerzy Kawiak
An experiment involving active immunotherapy of leukemia in mice and its extension to human patients with chronic lymphocytic leukemia is described. First, anticancer activation of the immune system, how it is achieved, and observations of the central blockade of the immune system in leukemia are discussed. Clinical results of antileukemia immune activation are then presented, along with a description of new attempts to remove the immune checkpoint blockade. Personal observations are presented on possible further steps to achieving more effective active immunotherapy of cancer...
2018: Folia Histochemica et Cytobiologica
https://www.readbyqxmd.com/read/29498411/rsk1-promotes-murine-breast-cancer-growth-and-metastasis
#16
Dominika Czaplinska, Monika Gorska, Kamil Mieczkowski, Grazyna Peszynska-Sularz, Anna J Zaczek, Hanna M Romanska, Rafal Sadej
INTRODUCTION: Triple-negative breast cancer (TNBC), representing over 15% of all breast cancers, has a poorer prognosis than other subtypes. There is no effective targeted treatment available for the TNBC sufferers. Ribosomal S6 kinases (RSKs) have been previously proposed as drug targets for TNBC based on observations that 85% of these tumors express activated RSKs. MATERIALS AND METHODS: Herein we examined an involvement of RSK1 (p90 ribosomal S6 kinase 1) in a regulation of TNBC growth and metastatic spread in an animal model, which closely imitates human disease...
2018: Folia Histochemica et Cytobiologica
https://www.readbyqxmd.com/read/29417981/immunoexpression-of-iga-receptors-cd89-cd71-in-dermatitis-herpetiformis
#17
Justyna Gornowicz-Porowska, Agnieszka Seraszek-Jaros, Monika Bowszyc-Dmochowska, Elzbieta Kaczmarek, Marian Dmochowski
INTRODUCTION: The role of IgA receptors in dermatitis herpetiformis (DH) pathogenesis is still unknown. CD89 and CD71 may be associated with immune response during DH development. The purpose of this study was to perform semiquantitative analysis of simultaneous immunoexpression of CD89 and CD71 in DH and IgA/neutrophil-mediated non-DH dermatoses (IgAN) in relation to specific IgA autoantibodies/antibodies (tissue and epidermal transglutaminases, nonapeptides of gliadin - eTG/tTG/npG) as well neutrophil activation via the release of neutrophil elastase (NE)...
2017: Folia Histochemica et Cytobiologica
https://www.readbyqxmd.com/read/29363733/generation-of-specific-antisera-directed-against-d-amino-acids-focus-on-the-neuroanatomical-distribution-of-d-glutamate-and-other-d-amino-acids
#18
Rafael Coveñas, Arturo Mangas, Manuel Lisardo Sánchez, Diana Cadena, Marianne Husson, Michel Geffard
This review updates the findings about the anatomical distribution (using immunohistochemical techniques) and possible functions of D-glutamate in the central nervous system of mammals, as well as compares the distribution of D-glutamate with the distribution of the most studied D-amino acids: D-serine and D-aspartate. The protocol used to obtain highly specific antisera directed against D-amino acids is also reported. Immunoreactivity for D-glutamate was found in dendrites and cell bodies, but not in nerve fibers...
2017: Folia Histochemica et Cytobiologica
https://www.readbyqxmd.com/read/29333597/tp53-polymorphism-in-plasma-cell-myeloma
#19
Szymon Andrzej Zmorzynski, Iwona Korszen-Pilecka, Magdalena Wojcierowska-Litwin, Barbara Kwiatkowska-Drabik, Malgorzata Luterek, Sylwia Chocholska, Dorota Koczkodaj, Sylwia Popek, Malgorzata Michalak-Wojnowska, Grazyna Swiderska-Kolacz, Joanna Januszewska, Iwona Surowiec, Waldemar Tomczak, Marek Hus, Anna Dmoszynska, Marcin Pasiarski, Katarzyna Poniewierska-Jasak, Katarzyna Cieplinska, Olga Jankowska-Lecka, Agata Anna Filip
INTRODUCTION: Significant and accessible predictive factors for bortezomib treatment in plasma cell myeloma (PCM) are still lacking. TP53 codon 72 polymorphism (P72R) results in proline (P) or arginine (R) at 72 amino acid position, which causes synthesis of proteins with distinct functions. The aims of our study were to: 1) analyze whether this polymorphism is associated with an increased risk of PCM; 2) study whether the P72R polymorphism affects overall survival (OS) among PCM patients; 3) assess the possible association of the P72R polymorphism with sensitivity to bortezomib in cell cultures derived from PCM patients...
2017: Folia Histochemica et Cytobiologica
https://www.readbyqxmd.com/read/29297566/immunohistochemical-characteristics-of-neurons-in-the-ganglia-of-the-greater-splanchnic-nerve-of-the-pig
#20
Jamal Nourinezhad, Piotr Podlasz, Krzysztof Wasowicz
INTRODUCTION: Greater splanchnic nerve (GSN) is by far the largest of the splanchnic nerves and connects the paravertebral and prevertebral ganglia to transmit the majority of nociceptive information from the viscera. Despite its importance, the immunohistochemical features of the porcine GSN neurons have not yet been examined. Therefore, the aim of the study was to investigate the neurochemistry of the porcine GSN neurons and to compare their neurochemical coding with those of the paravertebral and prevertebral ganglia...
2017: Folia Histochemica et Cytobiologica
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