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Tissue & Cell

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https://www.readbyqxmd.com/read/28610826/structural-ultrastructural-and-immunohistochemical-evidence-of-testosterone-effects-and-its-ablation-on-the-bulbourethal-gland-of-the-artibeus-planirostris-bat-chiroptera-mammalia
#1
Cíntia C I Puga, Mateus R Beguelini, Eliana Morielle-Versute, Patricia S L Vilamaior, Sebastião R Taboga
This study evaluated the effects of testosterone in the bulbourethral glands (BG) of the bat, Artibeus planirostris, by performing castration and posterior hormonal supplementation of the animals. The results showed a decrease in testosterone levels in animals 15days after castration, which induced a small reduction in epithelium height, percentage of AR+ cells, and an increase in the amount of basal cells. This reduction became more severe in groups castrated for longer periods (19 and 22days), where there was also an increase in apoptotic cells...
June 10, 2017: Tissue & Cell
https://www.readbyqxmd.com/read/28606650/low-level-laser-therapy-accelerates-the-extracellular-matrix-reorganization-of-inflamed-tendon
#2
Flávia Da Ré Guerra, Cristiano Pedrozo Vieira, Petrus Pires Marques, Letícia Prado Oliveira, Edson Rosa Pimentel
In tendon lesions, inflammation indicates the beginning of tissue repair and influences cell proliferation and the remodeling of the extracellular matrix (ECM). Low level laser (LLL) therapy has been an important method to induce tissue repair, and several studies have sought to better understand the therapeutic possibilities of this modality. This study analyzed the effect of LLL on the ECM of rat tendons during the early phase of the inflammatory process. Wistar rats received an intratendinous application of carrageenan adjacent to the osteotendinous region in the right paw...
June 3, 2017: Tissue & Cell
https://www.readbyqxmd.com/read/28558928/neun-immunoreactivity-in-the-brain-of-xenopus-laevis
#3
Shouichiro Saito, Takahiko Shiina, Yasutake Shimizu
Neuronal nuclear antigen (NeuN), discovered in mice brain cell nuclei by Mullen et al. (1992), is used as an excellent marker of post-mitotic neurons in vertebrates. In this study, the expression pattern of NeuN was examined in the Xenopus brain to explore phylogenetic differences in NeuN expression. Anti-NeuN antibody showed selective staining in mouse and Xenopus brain extracts, but the number and molecular weight of the bands differed in Western blotting analysis. In immunostaining, anti-NeuN antibody showed selective staining of neurons, but not glial cells, in the Xenopus brain...
May 13, 2017: Tissue & Cell
https://www.readbyqxmd.com/read/28549605/wnt3a-and-the-induction-of-the-osteogenic-differentiation-in-adipose-tissue-derived-mesenchymal-stem-cells
#4
C Morsczeck, A Reck, T E Reichert
Adipose tissue derived stem cells (ASCs) can easily be isolated, but the osteogenic differentiation potential is limited. To improve this differentiation potential, more investigations are required about signaling proteins for the induction of the osteogenic differentiation. This study focused on the WNT3A protein, because little is known about the canonical WNT signaling pathway and the osteogenic differentiation of ASCs. The alkaline phosphatase (ALP) activity was measured for the evaluation of the osteogenic differentiation...
May 12, 2017: Tissue & Cell
https://www.readbyqxmd.com/read/28601197/a-comparative-study-to-evaluate-myogenic-differentiation-potential-of-human-chorion-versus-umbilical-cord-blood-derived-mesenchymal-stem-cells
#5
Nikoo Bana, Davood Sanooghi, Mansoureh Soleimani, Nasim Hayati Roodbari, Sepideh Alavi Moghaddam, Mohammad Taghi Joghataei, Forough Azam Sayahpour, Faezeh Faghihi
OBJECTIVE: Musculodegenerative diseases threaten the life of many patients in the world. Since drug administration is not efficient in regeneration of damaged tissues, stem cell therapy is considered as a good strategy to restore the lost cells. Since the efficiency of myogenic differentiation potential of human Chorion- derived Mesenchymal Stem Cells (C-MSCs) has not been addressed so far; we set out to evaluate myogenic differentiation property of these cells in comparison with Umbilical Cord Blood- derived Mesenchymal Stem Cells (UCB-MSCs) in the presence of 5-azacytidine...
May 11, 2017: Tissue & Cell
https://www.readbyqxmd.com/read/28515001/in-vitro-extracellular-matrix-accumulation-of-nasal-and-articular-chondrocytes-for-intervertebral-disc-repair
#6
S Vedicherla, C T Buckley
Chondrocyte based regenerative therapies for intervertebral disc repair such as Autologous Disc Cell Transplantation (ADCT, CODON) and allogeneic juvenile chondrocyte implantation (NuQu(®), ISTO Technologies) have demonstrated good outcomes in clinical trials. However concerns remain with the supply demand reconciliation and issues surrounding immunoreactivity which exist for allogeneic-type technologies. The use of stem cells is challenging due to high growth factor requirements, regulatory barriers and differentiation towards a stable phenotype...
May 8, 2017: Tissue & Cell
https://www.readbyqxmd.com/read/28499755/biological-characteristics-and-karyotiping-of-a-new-isolation-method-for-human-adipose-mesenchymal-stem-cells-in-vitro
#7
Jun Li, Haisen Huang, Ximing Xu
OBJECTIVE: A new method was presented to prepare clinical-grade human adipose-derived stromal stem cells (ASCs) and its safety in vitro, such as biological characteristics and genetic features alteration were investigated. METHODS: The morphology of the ASCs which were cultured in vitro using serum-free medium was observed. Cell cycle and CD markers profile were tested by flow cytometry, while karyotype was analyzed by the chromosome G-banding technology. Growth factors expression was tested by ELISA and tumor-related genes were analyzed by the real-time PCR, respectively...
June 2017: Tissue & Cell
https://www.readbyqxmd.com/read/28476205/therapeutic-efficacy-of-human-umbilical-cord-mesenchymal-stem-cells-transplantation-against-renal-ischemia-reperfusion-injury-in-rats
#8
Sohair R Fahmy, Amel M Soliman, Mervat El Ansary, Samah Abd Elhamid, Heba Mohsen
BACKGROUND: Acute kidney injury (AKI) is a common clinical problem raising the urgent needs to develop new strategies for treatment. The present study investigated the therapeutic potential of human umbilical cord - mesenchymal stem cells (HUC-MSCs) transplantation against renal ischemia/reperfusion injury (IRI) in rats. METHODS: Twenty four male Wistar rats were assigned into two main groups, sham group (control group) and I/R group. I/R group was injected in the tail vein with either phosphate buffer saline (PBS) or HUC-MSCs...
June 2017: Tissue & Cell
https://www.readbyqxmd.com/read/28465022/structural-characteristics-of-gonadal-development-and-hermaphroditic-phenomenon-in-freshwater-pearl-mussel-sinohyriopisis-schlegelii-hyriopisis-schlegelii
#9
Di Wu, Jianwu Shi, Kou Peng, Junqing Sheng, Junhua Wang, Binhua Wang, Yijiang Hong
The period of gonads development was first studied from one to five years in the freshwater pearl mussel Hyriopisis schlegelii. It lasted for 36 months and was divided into three main stages: initiation of gonad formation, a stable growth phase, and a reproductive cell development phase. Each reproductive cycle consisted of five stages: proliferative stage (from late January to late February), growth stage (from late February to late March), maturation stage, spawning stage (from early April to late October) and recovery stage (from early November to late January)...
June 2017: Tissue & Cell
https://www.readbyqxmd.com/read/28457531/spatial-development-of-gingival-fibroblasts-and-dental-pulp-cells-effect-of-extracellular-matrix
#10
Gili Kaufman, Drago Skrtic
Cells sensing changes in their microenvironmental stiffness and composition alter their responses, accordingly. This study determines whether gingival fibroblasts (GFs) and dental pulp mesenchymal stem cells (DPMSCs) support the formation of continuous layers in vitro by mimicking the stiffness and protein composition of their native extracellular matrix (ECM). Immortalized cells were incubated with (i) 0-100% Matrigel-ECM (M-ECM) for 7-28d, and with (ii) collagen and fibrin matrices for 14d. Cultures were analyzed by phase-contrast, fluorescence and confocal microscopies...
June 2017: Tissue & Cell
https://www.readbyqxmd.com/read/28442143/polypropylene-mesh-seeded-with-fibroblasts-a-new-approach-for-the-repair-of-abdominal-wall-defects-in-rats
#11
A Mohsina, Naveen Kumar, A K Sharma, Sameer Shrivastava, Dayamon D Mathew, V Remya, Sonal, S K Maiti, Kiranjeet Singh, K P Singh
PURPOSE: The purpose of study was to develop bioengineered scaffolds by seeding primary mouse embryo fibroblast cells (p-MEF) on polypropylene mesh and to test its efficacy for the repair of abdominal wall defects in rats. METHODS: The study was conducted on 18 clinically healthy adult Wistar rats of either sex. The animals were randomly divided into two equal groups having nine animals in each group. In both the groups a 20mm×20mm size full thickness muscle defect was created under xylazine and ketamine anesthesia in the mid-ventral abdominal wall...
June 2017: Tissue & Cell
https://www.readbyqxmd.com/read/28420489/mast-cells-emerge-as-mediators-of-atherosclerosis-special-emphasis-on-il-37-inhibition
#12
REVIEW
Pio Conti, Gianfranco Lessiani, Spyridon K Kritas, Gianpaolo Ronconi, Aessandro Caraffa, Theoharis C Theoharides
In atherosclerosis lipoproteins stimulate the innate immune response, leading to the release of inflammatory cytokines and chemokines. Hypercholesterolemia may activate the synthesis and release of inflammatory cytokines such as IL-1, which induces TNF release in mast cells (MCs). IL-1 and IL-1 family members orchestrate a broadening list of inflammatory diseases, including atherosclerosis. MCs are implicated in the pathophysiology of several diseases including allergy and inflammation. Activated MCs, located perivascularly, contribute to inflammation in atherosclerosis by producing inflammatory cytokines...
June 2017: Tissue & Cell
https://www.readbyqxmd.com/read/28410798/protective-role-of-coq10-or-l-carnitine-on-the-integrity-of-the-myocardium-in-doxorubicin-induced-toxicity
#13
Hesham N Mustafa, Gehan A Hegazy, Sally A El Awdan, Marawan AbdelBaset
Doxorubicin (DOX) is a chemotherapeutic agent used for treatment of different cancers and its clinical usage is hindered by the oxidative injury-related cardiotoxicity. This work aims to declare if the harmful effects of DOX on heart can be alleviated with the use of Coenzyme Q10 (CoQ10) or L-carnitine. The study was performed on seventy two female Wistar albino rats divided into six groups, 12 animals each: Control group; DOX group (10mg/kg); CoQ10 group (200mg/kg); L-carnitine group (100mg/kg); DOX+CoQ10 group; DOX+L-carnitine group...
June 2017: Tissue & Cell
https://www.readbyqxmd.com/read/28395914/structurally-and-functionally-characterized-in-vitro-model-of-rabbit-vocal-fold-epithelium
#14
Masanobu Mizuta, Takashi Kurita, Emily E Kimball, Bernard Rousseau
In this paper, we describe a method for primary culture of a well differentiated electrically tight rabbit vocal fold epithelial cell multilayer and the measurement of transepithelial electrical resistance (TEER) for the evaluation of epithelial barrier function in vitro. Rabbit larynges were harvested and enzymatically treated to isolate vocal fold epithelial cells and to establish primary culture. Vocal fold epithelial cells were co-cultured with mitomycin C-treated feeder cells on collagen-coated plates...
June 2017: Tissue & Cell
https://www.readbyqxmd.com/read/28366535/aspiration-and-cytological-evaluation-of-idiopathic-bone-cavities-of-the-jaw
#15
Elena Riet Correa Rivero, Felipe Perozzo Daltoé, Fernanda Weber Mello, Carlos Eduardo Chrzanowski Pereira de Souza, Liliane Janete Grando
The idiopathic bone cavity (IBC) is an intraosseous pseudocyst devoid of epithelial lining. Clinically, IBCs of the jaw are asymptomatic and normally found in routine radiographic exams. Although the literature regarding the content of IBCs is controversial, the final diagnosis is usually aided by the discovery of an empty cavity upon surgical exploration. The aim of this study was to perform cytological and histological analysis of IBC contents. Cytological analysis of nine cases of IBC was performed after puncture and processed by the cell block technique...
June 2017: Tissue & Cell
https://www.readbyqxmd.com/read/28347500/versatility-of-peroxisomes-an-evolving-concept
#16
REVIEW
Rachayeeta Deb, Shirisha Nagotu
Research spanning almost 50 years has highlighted unique characteristics and irreplaceable list of diverse functions performed by peroxisomes in various model systems. Peroxisomes are single membrane bound highly dynamic organelles ubiquitous to most eukaryotic cells. Proliferation by division of pre-existing organelles and the role of endoplasmic reticulum in the biogenesis of these organelles is now well established. The earliest identified conserved functions of peroxisomes are β-oxidation of fatty acids and reactive oxygen species metabolism...
April 2017: Tissue & Cell
https://www.readbyqxmd.com/read/28343707/fibrin-scaffold-enhances-function-of-insulin-producing-cells-differentiated-from-human-umbilical-cord-matrix-derived-stem-cells
#17
Fatemeh Seyedi, Alireza Farsinejad, Seyed Noureddin Nematollahi-Mahani
Tissue engineering is a new strategy which proposed to treat numerous human diseases nowadays. Three dimensional (3D) scaffolds fill the gap between two dimensional cell culture (2D) and animal tissues through mimicking the environmental behaviors surrounding the cells. In this study, hUCMs into insulin producing cells in fibrin scaffold were differentiated compare to conventional culture condition. Differentiation rate was estimated by real time PCR, immunocytochemistry (ICC) and the chemiluminesence (CLIA) and enzyme immunoassay (EIA)...
April 2017: Tissue & Cell
https://www.readbyqxmd.com/read/28342448/editorial-for-the-special-issue-on-golgi-related-human-disorders
#18
EDITORIAL
Massimo Micaroni
No abstract text is available yet for this article.
April 2017: Tissue & Cell
https://www.readbyqxmd.com/read/28341060/dose-dependent-treatment-with-isotretinoin-induces-more-changes-in-the-ileum-than-in-the-duodenum-and-jejunum-in-wistar-rats
#19
B F Thomazini, M A H Dolder
Acne is the most common skin disorder and can directly affect the patients' self-esteem. Systemic treatment has been indicated for nodular, cystic or persistent acne rather than another type of treatment, such as a topic one. Isotretinoin is an analogue of vitamin A and by suppressing the sebaceous glands the disease can be controlled. This study was designed to mimic the treatment performed in young patients using the dosage of 1mg/kg, and a higher one of 10mg/kg, for 60days in young male Wistar rats. 24 Wistar rats were divided into four groups: control(water), D0(soybean oil, control group), D1(1mg/kg of Isotretinoin solution), D10(10mg/kg of Isotretinoin solution)...
April 2017: Tissue & Cell
https://www.readbyqxmd.com/read/28320513/morphology-and-ultrastructure-of-the-adrenal-gland-in-bactrian-camels-camelus-bactrianus
#20
Wen-Ling Ye, Feng-Ling Wang, Hong-Ju Wang, Jian-Lin Wang
In the present study, we examined the morphological features of the adrenal gland in Bactrian camel by means of digital anatomy, light and electron microscopy. Our findings testified that the gland was divided into three parts, capsule, cortex and medulla from outside to inside as other mammals, and the cortex itself was further distinguished into four zones: zona glomerulosa, zona intermedia, zona fasciculate and zona reticularis. Notably, the zona intermedia could be seen clearly in the glands from females and castrated males, whereas it was not morphologically clear in male...
April 2017: Tissue & Cell
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