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Tissue & Cell

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https://www.readbyqxmd.com/read/29122297/cytochemical-identification-of-turbot-myeloperoxidase-positive-granulocytes-by-potassium-iodide-and-oxidized-pyronine-y-staining
#1
Heng Chi, Li-Lian Wen, Zhi-Hai Sui, Qing-Lei Sun, Li Sun
Cytomorphological and cytochemical staining are important methods for the identification of cell types, in particular in fish which often lack biological tools such as specific antibodies. Myeloperoxidase (MPO) is usually used as an intracellular marker of neutrophil accumulation in tissues and a marker of neutrophil activity in plasma. In this study, we reported a potassium iodide and oxidized pyronine Y (KI-PyY) staining method for rapid and highly sensitive detection of MPO-positive cells in turbot blood, peritoneum, and tissues...
November 3, 2017: Tissue & Cell
https://www.readbyqxmd.com/read/29162289/apelin-apj-system-is-responsible-for-stress-induced-increase-in-atrial-natriuretic-peptide-expression-in-rat-heart
#2
Vecihe Nimet Izgut-Uysal, Nuray Acar, Ilknur Birsen, Filiz Ozcan, Ozlem Ozbey, Hakan Soylu, Sema Avci, Filiz Tepekoy, Gokhan Akkoyunlu, Gultekin Yucel, Ismail Ustunel
BACKGROUND: The cardiovascular system is a primary target of stress and stress is the most important etiologic factor in cardiovascular diseases. Stressors increase expressions of atrial natriuretic peptide (ANP) and apelin in cardiac tissue. AIM: The aim of the present study was to investigate whether stress-induced apelin has an effect on the expression of ANP in the right atrium of rat heart. METHODS: The rats were divided into the control, stress and F13A+stress groups...
October 31, 2017: Tissue & Cell
https://www.readbyqxmd.com/read/29089090/transdifferentiation-of-mucous-neck-cells-into-chief-cells-in-fundic-gastric-glands-shown-by-gna-lectin-histochemistry
#3
Laura Gómez-Santos, Edurne Alonso, Lucio Díaz-Flores, Juan Francisco Madrid, Francisco José Sáez
The epithelium of the gastric mucosa and its glands in the corpus of rat stomach contains mucous surface cells (MSCs), parietal cells, mucous neck cells (MNCs), zymogenic or chief cells (ZCs), several types of enteroendocrine cells, and intermediate cells with characteristics between MNCs and ZCs also called transitional or prezymogenic cells (pre-ZCs). The aim of our work was to analyze the expression of Mannose (Man) in the rat gastric glands by means of Galanthus nivalis lectin (GNA) histochemistry to identify the differences between MNC, pre-ZCs and ZCs and to establish the relationships between these cells...
October 28, 2017: Tissue & Cell
https://www.readbyqxmd.com/read/29107328/effect-of-cerebrolysin-on-the-cerebellum-of-diabetic-rats-an-imunohistochemical-study
#4
Rania N Sherif
BACKGROUND: Diabetes mellitus represents one of the disorders in the metabolism that affects all body systems including CNS. Cerebrolysin contains many neurotrophic factors, and many studies reported that it can be used treatment of many neurological disorders. AIM OF THE WORK: The aim of the current study was to study the potential neuroprotective effect of cerebrolysin on the cerebellum of diabetic rat. MATERIALS AND METHODS: Sprague Dawley male rats were divided randomly into four groups: control, cerebrolysin (Cbl), diabetes and diabetes treated with Cbl groups...
October 25, 2017: Tissue & Cell
https://www.readbyqxmd.com/read/29108653/effect-of-asiaticoside-on-the-healing-of-skin-wounds-in-the-carp-cirrhinus-mrigala-an-immunohistochemical-investigation
#5
Neeraj Verma, Usha Kumari, Swati Mittal, Ajay Kumar Mittal
In the present study effect of asiaticoside, on healing of skin wounds in Cirrhinus mrigala is reported. Skin wound, approx. 2mm in diameter was excised using sterile disposable biopsy punch. Immediately after infliction of the wound, epidermis from wound edge starts migrating as thin sheet toward wound gap. Fronts of migrating epidermis gradually advance, and results in complete epithelialization of wound. Experiments were conducted for 30days and fishes were divided into control, sham, vehicle control and asiaticoside treated groups...
October 24, 2017: Tissue & Cell
https://www.readbyqxmd.com/read/29054337/dental-pulp-stem-cells-dpscs-increase-prostate-cancer-cell-proliferation-and-migration-under-in-vitro-conditions
#6
Ayşegül Doğan, Selami Demirci, Hüseyin Apdik, Ezgi Avşar Apdik, Fikrettin Şahin
Cancer as a multistep and complicated disease is regulated by several molecular and cellular events. Cancer treatment could be managed at the early stages when the tumor is confined in the tissue. However, disseminated cancer cells metastasize to other body parts and generate new tumors resulting in mortality. Mesenchymal stem cells (MSCs) are found in different body parts and helps adult tissue regeneration. The role of MSCs in cancer progression has emerged as one of the important aspects in cancer biology and is the aim of interest in recent years...
October 16, 2017: Tissue & Cell
https://www.readbyqxmd.com/read/29102397/short-time-pre-washing-of-brushite-forming-calcium-phosphate-cement-improves-its-in-vitro-cytocompatibility
#7
Elke Kunisch, Stefan Maenz, Marie Knoblich, Frank Ploeger, Klaus D Jandt, Joerg Bossert, Raimund W Kinne, Saifeddin Alsalameh
A pre-washing protocol was developed for resorbable, brushite-forming calcium phosphate cements (CPCs) to avoid harmful in vitro effects on cells. CPC discs (JectOS+, Kasios; self-developed CPC) were pre-washed with repeated changes of phosphate-buffered saline (PBS; 24h total). Unwashed or PBS-pre-washed discs were incubated in culture medium (5% fetal calf serum; up to 10days) and then tested for their influence on pH/calcium/phosphate levels in H2O extracts. Effects on pH/calcium/phosphate levels in culture supernatants, and morphology, adherence, number, and viability of ATDC5 cells and adipose-tissue derived stem cells were analyzed in co-culture...
October 14, 2017: Tissue & Cell
https://www.readbyqxmd.com/read/29042066/lm-and-sem-study-on-the-swordfish-xiphias-gladius-tongue
#8
Francesco Abbate, Maria Cristina Guerrera, Mauro Cavallaro, Giuseppe Montalbano, Antonino Germanà, Maria Levanti
Swordfish (Xiphias gladius L. 1758) is a predatory and migratory fish. Its characteristic feature is a flat and sharp upper jaw forming a "sword". The adaptation of vertebrates, including fish, to their environment is strictly related to the capacity of feeding and is carried out by often severe modifications of the anatomy of the buccal cavity, especially of the tongue. The aim of this study is, using light and scanning electron microscopy and considering that no data are so far available about the morphology of the tongue in this species, to analyse the anatomical characteristics of the tongue, especially its dorsal surface...
October 13, 2017: Tissue & Cell
https://www.readbyqxmd.com/read/29066103/effects-of-benfotiamine-and-coenzyme-q10-on-kidney-damage-induced-gentamicin
#9
Mehmet Alperen Ustuner, Dilara Kaman, Neriman Colakoglu
OBJECTIVE: Gentamicin (GM) is an effective antibiotic against severe infection but has limitations related to nephrotoxicity. In this study, we investigated whether benfotiamine (BFT) and coenzyme Q10 (CoQ10), could ameliorate the nephrotoxic effect of GM in rats. METHODS: Rats were divided into five groups. Group 1 and 2 served as control and sham respectively, Group 3 as GM group, Group 4 as GM+CoQ10 and Group 5 as GM+BFT for 8days. At the end of the study, all rats were euthanized by cervical decapitation and then blood samples and kidneys were collected for further analysis...
October 12, 2017: Tissue & Cell
https://www.readbyqxmd.com/read/28958480/protein-profiling-and-angiogenic-effect-of-hypoxia-cultured-human-umbilical-cord-blood-derived-mesenchymal-stem-cells-in-hindlimb-ischemia
#10
Kyu-Hyun Han, Ae-Kyeong Kim, Min-Hee Kim, Do-Hyung Kim, Ha-Nl Go, Donglim Kang, Jong Wook Chang, Soon Won Choi, Kyung-Sun Kang, Dong-Ik Kim
The aim of the present study was to investigate protein profiles of human umbilical cord blood-derived mesenchymal stem cells (hUCB-MSCs) cultured in normoxic (21% O2) and hypoxic (1% O2) conditions, and evaluate oxygenation effects on angiogenesis in an ischemic hindlimb mouse model using a modified ischemic scoring system. Hypoxic conditions did not change the expression of phenotypic markers and increased adipogenesis and chondrogenesis. Epidermal growth factor (EGF), transforming growth factor alpha (TGF-α), TGF-β RII, and vascular endothelial growth factor (VEGF) were upregulated in the conditioned medium of hypoxic hUCB-MSCs, which are commonly related to angiogenesis and proliferation of biological processes by Gene Ontology...
September 20, 2017: Tissue & Cell
https://www.readbyqxmd.com/read/28947064/impact-of-pre-incubation-time-of-silk-fibroin-scaffolds-in-culture-medium-on-cell-proliferation-and-attachment
#11
Mehdi Amirikia, Seyed Mohammad Ali Shariatzadeh, Seyed Gholam Ali Jorsaraei, Malek Soleimani Mehranjani
Cell behaviours such as proliferation and attachment can be affected by the length of pre-incubation period of the scaffolds in the culture medium for long term. The aim of this study was to investigate the long term pre-incubation of 3D silk fibroin scaffolds in complete culture medium on cell attachment and proliferation. After the preparation of silk fibroin scaffolds by the technique of freeze drying, the scaffolds were pre-incubated in complete culture medium for 2 d, 6 d or 10 d before apical papilla stem cells (SCAP) seeding...
September 20, 2017: Tissue & Cell
https://www.readbyqxmd.com/read/29061447/pdk1-promotes-apoptosis-of-chondrocytes-via-modulating-mapk-pathway-in-osteoarthritis
#12
Qingtian Ge, Hailin Wang, Xinbao Xu, Libin Xu, Leilei Zhai, Ran Tao
3-Phosphoinositide dependent protein kinase-1 (PDK1), a serine threonine kinase, belongs to the AGC kinase family and is associated with apoptosis. The aim of this study was to investigate the expression of PDK1 (3-Phosphoinositide dependent protein kinase-1) in articular cartilage with osteoarthritis (OA) and to analyze the relationship between PDK1 and chondrocyte apoptosis. Immunohistochemistry and RT-PCR analysis showed that the expression of PDK1 in articular cartilage of OA patients and healthy controls...
December 2017: Tissue & Cell
https://www.readbyqxmd.com/read/28720305/ecto-5-nucleotidase-cd73-regulates-bone-formation-and-remodeling-during-intramembranous-bone-repair-in-aging-mice
#13
Vivian Bradaschia-Correa, Anne M Josephson, Alexander J Egol, Matthew M Mizrahi, Kevin Leclerc, Jason Huo, Bruce N Cronstein, Philipp Leucht
Ecto-5'-nucleotidase (CD73) generates adenosine, an osteoblast activator and key regulator of skeletal growth. It is unknown, however, if CD73 regulates osteogenic differentiation during fracture healing in adulthood, and in particular how CD73 activity regulates intramembranous bone repair in the elderly. Monocortical tibial defects were created in 46-52-week-old wild type (WT) and CD73 knock-out mice (CD73(-/-)) mice. Injury repair was analyzed at post-operative days 5, 7, 14 and 21 by micro-computed tomography (micro-CT), histomorphometry, proliferating cell nuclear antigen (PCNA) immunostaining, alkaline phosphatase (ALP) and tartrate-resistant acid phosphatase (TRAP) histochemistry...
October 2017: Tissue & Cell
https://www.readbyqxmd.com/read/28947065/enhanced-neuroprotective-effect-of-mild-hypothermia-with-vpa-against-ethanol-mediated-neuronal-injury
#14
Sandeep Kumar Vishwakarma, Avinash Bardia, L Chandrakala, Sana Arshiya, Syed Ameer Basha Paspala, Vishnupriya Satti, Aleem Ahmed Khan
INTRODUCTION: Progress in understanding pathophysiological mechanisms and the development of targeted regenerative strategies have been hampered by the lack of predictive disease models, specifically for the conditions to which affected cell types are inaccessible. The present study has aimed to unearth the role of valproic acid (VPA) and mild hypothermia (MH) as promising strategy to enhance the neuroprotective mechanisms in undifferentiated and differentiated human neural precursor cells (hNPCs) against ethanol-induced damage...
September 14, 2017: Tissue & Cell
https://www.readbyqxmd.com/read/28935358/ultrastructural-variation-tune-wing-coloration-of-a-moth-asota-caricae-fabricius-1775
#15
Monalisa Mishra, Nibedita Nayak, Harekrushna Sahoo
Butterflies and moths develop highly ordered coloration in their wing for signal transmission. We have investigated the ultrastructural arrangement of wing coloration of a moth Asota caricae, applying light, optical polarized, and scanning electron microscopy, and spectrophotometry. The forewing of the moth is brown in color with a white spot at the center. The hindwing is golden yellow in color with many black patches in it. The ventral part of the forewing and dorsal hindwing share the similar color pattern...
September 13, 2017: Tissue & Cell
https://www.readbyqxmd.com/read/28927747/astrocyte-elevated-gene-1-promotes-inflammation-and-invasion-of-fibroblast-like-synoviocytes-in-rheumatoid-arthritis
#16
Ruilong Hong, Kun Wang, Hongguang Shi
Astrocyte elevated gene-1 (AEG-1) was initially induced by HIV-1 infection and involved in tumor progression, migration and invasion as a nuclear factor-κB (NF-κB)-dependent gene. The present study we intended to investigate the protein expression of AEG-1 significantly associated with rheumatoid arthritis. Western blot analysis and immunohistochemistry demonstrated that AEG-1 was upregulated in synovial tissue of RA patients compared with the controls. Double immunofluorescent staining suggested that AEG-1 was expressed in fibroblast-like synoviocytes (FLS) of RA patients...
September 13, 2017: Tissue & Cell
https://www.readbyqxmd.com/read/28919010/germ-cell-proliferation-and-apoptosis-during-testicular-regression-in-a-seasonal-breeding-fish-kept-in-captivity
#17
Yves Moreira Ribeiro, Santer Alvares de Matos, Fabricio Flavio Theophilo Domingos, Helio Batista Dos Santos, Augusto Bicalho Cruz Vieira, Nilo Bazzoli, Elizete Rizzo
Cell proliferation and apoptosis regulate germ cells stock and sperm production, eliminate anomalous gametes, and are essential parameters to consider in fish farming. Herein, spermatogenic activity as well as germ cell proliferation and apoptosis were assessed in Leporinus taeniatus, a seasonal breeding species from the São Francisco River basin, Brazil. Testes of 24 adult fishes from a farming station were sampled between December and July and processed for light and transmission electron microscopy and immunohistochemistry for PCNA and TUNEL assay...
September 12, 2017: Tissue & Cell
https://www.readbyqxmd.com/read/28893403/energy-restriction-affect-liver-development-in-hu-sheep-ram-lambs-through-hippo-signaling-pathway
#18
Ting-Ting Zhang, Guo-Min Zhang, Yu-Hang Jin, Yi-Xuan Guo, Zhen Wang, Yi-Xuan Fan, M A El-Samahy, Feng Wang
This study aimed to evaluate the effects of dietary energy restriction on postnatal liver development in Hu sheep ram lambs. A total of 16 ram lambs were randomly divided into two groups: 100% energy requirements diet and 55% energy requirements diet, which were fed for 75 d. Results showed that the final body and liver weights decreased with energy restriction (p <0.05). Energy restriction caused a significant decrease in the levels of circulating insulin-like growth factor 1 (IGF1) and an increase in growth hormone secretion (p <0...
September 2, 2017: Tissue & Cell
https://www.readbyqxmd.com/read/28843337/up-regulation-of-traf2-suppresses-neuronal-apoptosis-after-rat-spinal-cord-injury
#19
Guanhua Xu, Jinlong Zhang, Lingling Wang, Zhiming Cui, Xu Sun, Zhen Liu, Zezhang Zhu, Yong Qiu
Tumor necrosis factor receptor-associated factor 2 (TRAF2) for signal transduction of the cell death receptor is well established. However, the role of TRAF2 in spinal cord injury (SCI) remains unclear. In this study, we detected the dynamic change patterns of TRAF2 expression using an acute spinal cord contusion (SCC) model in adult rats. Western blot analysis and immunohistochemistry identified significant upregulation of TRAF2 after SCI. Double-immunofluorescent staining demonstrated that the upregulated TRAF2 was found predominantly in neurons...
August 16, 2017: Tissue & Cell
https://www.readbyqxmd.com/read/28843336/the-effect-of-trimetazidine-and-diazoxide-on-immunomodulatory-activity-of-human-embryonic-stem-cell-derived-mesenchymal-stem-cell-secretome
#20
Saeed Jahandideh, Faezeh Maghsood, Nastaran Mohammadi Ghahhari, Majid Lotfinia, Mohammad Mohammadi, Behrooz Johari, Mehdi Kadivar
Comprehensive proteome profiling of the factors secreted by mesenchymal stem cells (MSCs), referred to as secretome, revealed that it consists of cytokines, chemokines, growth factors, extracellular matrix proteins, and components of regeneration, vascularization, and hematopoiesis pathways. Harnessing this MSC secretome for therapeutic applications requires the optimization of production of secretary molecules. A variety of preconditioning methods have been introduced, which subject cells to stimulatory molecules to create the preferred response and stimulate persistent effects...
August 16, 2017: Tissue & Cell
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