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Cell and Tissue Research

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https://www.readbyqxmd.com/read/27909858/distribution-and-morphology-of-cholinergic-cells-in-the-branchial-epithelium-of-zebrafish-danio-rerio
#1
Peter C Zachar, Wen Pan, Michael G Jonz
Acetylcholine is an excitatory neurotransmitter important for oxygen sensing in mammals. A cholinergic mechanism in the fish gill has been implicated in the hyperventilatory response to acute hypoxia; however, the identity and distribution of acetylcholine-containing cells in the gills is poorly defined. We test the hypothesis that cholinergic cells are present in the gill filament epithelium in zebrafish (Danio rerio), a model vertebrate for which oxygen chemoreceptors are well characterized, and that these cells would receive nervous innervation...
December 2, 2016: Cell and Tissue Research
https://www.readbyqxmd.com/read/27858155/recent-advances-in-mitochondrial-biology-integrated-aspects
#2
EDITORIAL
Chris Meisinger, Carola Hunte
No abstract text is available yet for this article.
November 17, 2016: Cell and Tissue Research
https://www.readbyqxmd.com/read/27844205/tenuigenin-promotes-the-osteogenic-differentiation-of-bone-mesenchymal-stem-cells-in-vitro-and-in-vivo
#3
Hua-Ji Jiang, Xing-Gui Tian, Shou-Bin Huang, Guo-Rong Chen, Min-Jun Huang, Yu-Hui Chen, Bin Yan, Sheng-Fa Li, Jia-Jun Tang, Hui-Yu Zhao, Liang Wang, Zhong-Min Zhang
Osteoporosis, which is a systemic skeletal disease characterized by low bone mineral density and microarchitectural deterioration of bone quality, is a global and increasing public health problem. Recent studies have suggested that Tenuigenin (TEN), a class of native compounds with numerous biological activities such as anti-resorptive properties, exerts protective effects against postmenopausal bone loss. The present study aims to investigate the osteogenic effects of TEN on bone mesenchymal stem cells (BMSCs) in vitro and in vivo...
November 14, 2016: Cell and Tissue Research
https://www.readbyqxmd.com/read/27844204/analysis-of-enteroendocrine-cell-populations-in-the-human-colon
#4
Patricia Martins, Josiane Fakhry, Enio Chaves de Oliveira, Billie Hunne, Linda J Fothergill, Mitchell Ringuet, Débora d'Ávila Reis, Jens F Rehfeld, Brid Callaghan, John B Furness
Recent studies have shown that patterns of colocalisation of hormones in enteroendocrine cells are more complex than previously appreciated and that the patterns differ substantially between species. In this study, the human sigmoid colon is investigated by immunohistochemistry for the presence of gastrointestinal hormones and their colocalisation. The segments of colon were distant from the pathology that led to colectomy and appeared structurally normal. Only four hormones, 5-hydroxytryptamine (5-HT), glucagon-like peptide 1 (GLP-1), peptide YY (PYY) and somatostatin, were common in enteroendocrine cells of the human colon...
November 14, 2016: Cell and Tissue Research
https://www.readbyqxmd.com/read/27841005/primary-cilia-on-porcine-testicular-somatic-cells-and-their-role-in-hedgehog-signaling-and-tubular-morphogenesis-in-vitro
#5
Camila Dores, Whitney Alpaugh, Lin Su, Jeff Biernaskie, Ina Dobrinski
The primary cilium is a microtubule-based sensory organelle found on nearly all eukaryotic cells but little is understood about its function in the testis. We investigate the role of primary cilia on testis cells in vitro by inhibiting formation of the primary cilium with Ciliobrevin D, a cell-permeable, reversible chemical inhibitor of ATPase motor cytoplasmic dynein. We analyzed cultured cells for the presence of primary cilia and their involvement in hedgehog signaling. Primary cilia were present on 89.3 ± 2...
November 14, 2016: Cell and Tissue Research
https://www.readbyqxmd.com/read/27837271/airway-remodelling-in-the-transplanted-lung
#6
REVIEW
Mark Kuehnel, Lavinia Maegel, Jens Vogel-Claussen, Jan Lukas Robertus, Danny Jonigk
Following lung transplantation, fibrotic remodelling of the small airways has been recognized for almost 5 decades as the main correlate of chronic graft failure and a major obstacle to long-term survival. Mainly due to airway fibrosis, pulmonary allografts currently show the highest attrition rate of all solid organ transplants, with a 5-year survival rate of 58 % on a worldwide scale. The observation that these morphological changes are not just the hallmark of chronic rejection but rather represent a manifestation of a multitude of alloimmune-dependent and -independent injuries was made more recently, as was the discovery that chronic lung allograft dysfunction manifests in different clinical phenotypes of respiratory impairment and corresponding morphological subentities...
November 12, 2016: Cell and Tissue Research
https://www.readbyqxmd.com/read/27837270/acknowledgement-to-reviewers
#7
(no author information available yet)
No abstract text is available yet for this article.
November 12, 2016: Cell and Tissue Research
https://www.readbyqxmd.com/read/27837269/internal-and-external-morphology-of-adults-of-the-appendicularian-oikopleura-dioica-an-sem-study
#8
Takeshi A Onuma, Miho Isobe, Hiroki Nishida
The appendicularian, Oikopleura dioica, is a planktonic tunicate that retains a swimming tadpole shape throughout its life. It has relatively few cells and exhibits fast development, yet it has a basic chordate body plan. In this study, the morphology of adults was investigated using scanning electron microscopy (SEM) and fine 3D images of most organs were taken. The trunk epidermis is organized into bilateral territories secreting the house that includes the food-trapping filter. The pharynx extends ventrally and posteriorly to the gill openings and esophagus, respectively...
November 11, 2016: Cell and Tissue Research
https://www.readbyqxmd.com/read/27834018/nuclear-localization-signal-sequence-is-required-for-vacm-1-cul5-dependent-regulation-of-cellular-growth
#9
Angelica N Willis, Shirley E Bradley Dean, Joe A Habbouche, Brian T Kempers, Megan L Ludwig, Aaron D Sayfie, Steven P Lewis, Stephanie Harrier, Zachary J DeBruine, Richard Garrett, Maria A Burnatowska-Hledin
VACM-1/CUL5 is a member of the cullin family of proteins involved in the E3 ligase-dependent degradation of diverse proteins that regulate cellular proliferation. The ability of VACM-1/CUL5 to inhibit cellular growth is affected by its posttranslational modifications and its localization to the nucleus. Since the mechanism of VACM-1/CUL5 translocation to the nucleus is not clear, the goal of this project was to determine the role that the putative nuclear localization signal (NLS) we identified in the VACM-1/CUL5 ((640)PKLKRQ(646)) plays in the cellular localization of VACM-1/CUL5 and its effect on cellular growth...
November 11, 2016: Cell and Tissue Research
https://www.readbyqxmd.com/read/27826738/transcription-factor-pex1-modulates-extracellular-matrix-turnover-through-regulation-of-mmp-9-expression
#10
Alicia Jurado Acosta, Jaana Rysä, Zoltan Szabo, Anne-Mari Moilanen, Hiba Komati, Mona Nemer, Heikki Ruskoaho
The phenylephrine-induced complex-1 (PEX1) transcription factor, also known as zinc-finger protein 260 (Zfp260), is an effector of endothelin-1 and α1-adrenergic signaling in cardiac hypertrophy. However, the role of PEX1 in transcriptional regulation of myocardial remodeling remains largely unknown. In the present study, we used PEX1 gain- and loss-of-function to examine the effects of PEX1 on left ventricular remodeling. Adenoviral constructs expressing PEX1, antisense PEX1, or LacZ were delivered by local injection into the anterior wall of the left ventricle in Sprague-Dawley rats...
November 8, 2016: Cell and Tissue Research
https://www.readbyqxmd.com/read/27817114/nitrogen-containing-bisphosphonate-induces-a-newly-discovered-hematopoietic-structure-in-the-omentum-of-an-anemic-mouse-model-by-stimulating-g-csf-production
#11
Hirotada Otsuka, Hideki Yagi, Yasuo Endo, Satoshi Soeta, Naoko Nonaka, Masanori Nakamura
We previously reported that the injection of nitrogen-containing bisphosphonate (NBP) induced the site of erythropoiesis to shift from the bone marrow (BM) to the spleen. Our previous study established a severely anemic mouse model that was treated with a combination of NBP with phenylhydrazine (PHZ), which induced newly discovered hematopoietic organs in the omentum. No reports have shown that new hematopoietic organs form under any condition. We characterized the structures and factors related to the formation of these new organs...
November 5, 2016: Cell and Tissue Research
https://www.readbyqxmd.com/read/27807704/animal-models-of-sarcoidosis
#12
REVIEW
Yijie Hu, Betel Yibrehu, Diana Zabini, Wolfgang M Kuebler
Sarcoidosis is a debilitating, inflammatory, multiorgan, granulomatous disease of unknown cause, commonly affecting the lung. In contrast to other chronic lung diseases such as interstitial pulmonary fibrosis or pulmonary arterial hypertension, there is so far no widely accepted or implemented animal model for this disease. This has hampered our insights into the etiology of sarcoidosis, the mechanisms of its pathogenesis, the identification of new biomarkers and diagnostic tools and, last not least, the development and implementation of novel treatment strategies...
November 2, 2016: Cell and Tissue Research
https://www.readbyqxmd.com/read/27807703/the-critical-role-of-abcg1-and-ppar%C3%AE-lxr%C3%AE-signaling-in-tlr4-mediates-inflammatory-responses-and-lipid-accumulation-in-vascular-smooth-muscle-cells
#13
Xiaojie Cao, Lili Zhang, Chunhai Chen, Qingsong Wang, Lu Guo, Qinlong Ma, Ping Deng, Gang Zhu, Binghu Li, Yan Pi, Chunyan Long, Lei Zhang, Zhengping Yu, Zhou Zhou, Jingcheng Li
Toll-like receptor 4 (TLR4) plays critical roles in vascular inflammation, lipid accumulation and atherosclerosis development. However, the mechanisms underlying these processes are still not well established, especially in vascular smooth muscle cells (VSMCs). ATP-binding cassette transporter G1 (ABCG1) is one of the key genes mediating inflammation and cellular lipid accumulation. The function of TLR4 in regulating the expression of ABCG1 and the underlying molecular mechanisms remain to be elucidated. In this study, we cultured VSMCs from the thoracic aortas of mice and treated the cells with 50 μg/ml oxidized low-density lipoprotein (oxLDL) to activate TLR4 signaling...
November 2, 2016: Cell and Tissue Research
https://www.readbyqxmd.com/read/27807702/content-of-testis-specific-isoform-of-na-k-atpase-atp1a4-is-increased-during-bovine-sperm-capacitation-through-translation-in-mitochondrial-ribosomes
#14
Gayathri D Rajamanickam, John P Kastelic, Jacob C Thundathil
Capacitation comprises a series of structural and functional modifications of sperm that confer fertilizing ability. We previously reported that the testis-specific isoform of Na/K-ATPase (ATP1A4) regulated bovine sperm capacitation through signaling mechanisms involving kinases. During subsequent investigations to elucidate mechanisms by which ATP1A4 regulates sperm capacitation, we observed that ATP1A4 was localised in both raft and non-raft fractions of the sperm plasma membrane and that its total content was increased in both membrane fractions during capacitation...
November 2, 2016: Cell and Tissue Research
https://www.readbyqxmd.com/read/27796509/lung-remodeling-associated-with-recovery-from-acute-lung-injury
#15
REVIEW
Sean E Gill, Cory M Yamashita, Ruud A W Veldhuizen
Acute respiratory distress syndrome (ARDS) is a disease with a variety of causes and is defined by severe hypoxemia. Whereas ARDS carries a mortality of approximately 30 %, patients that survive may ultimately regain near normal pulmonary physiology. The critical pathophysiological processes in ARDS are alveolar barrier dysfunction and overwhelming inflammation. This encompasses damage to the epithelial and endothelial layers, thickening of the interstitial matrix, edema with inactivation of pulmonary surfactant at the alveolar surface and marked inflammation mediated by infiltrating neutrophils and pro-inflammatory macrophages...
October 29, 2016: Cell and Tissue Research
https://www.readbyqxmd.com/read/27783217/lung-surfactant-metabolism-early-in-life-early-in-disease-and-target-in-cell-therapy
#16
REVIEW
Elena Lopez-Rodriguez, Gemma Gay-Jordi, Adele Mucci, Nico Lachmann, Anna Serrano-Mollar
Lung surfactant is a complex mixture of lipids and proteins lining the alveolar epithelium. At the air-liquid interface, surfactant lowers surface tension, avoiding alveolar collapse and reducing the work of breathing. The essential role of lung surfactant in breathing and therefore in life, is highlighted by surfactant deficiency in premature neonates, which causes neonatal respiratory distress syndrome and results in early death after birth. In addition, defects in surfactant metabolism alter lung homeostasis and lead to disease...
October 25, 2016: Cell and Tissue Research
https://www.readbyqxmd.com/read/27771775/comprehensive-histological-and-immunological-studies-reveal-a-novel-glycoprotein-hormone-and-thyrostimulin-expressing-proto-glycotrope-in-the-sea-lamprey-pituitary
#17
Timothy J Marquis, Masumi Nozaki, Wayne Fagerberg, Stacia A Sower
In the adenohypophysis (anterior pituitary) of all gnathostomes, there are six tropic cell types: corticotropes, melanotropes, somatotropes, lactotropes, gonadotropes and thyrotropes; each cell type produces specific tropic hormones. In contrast, we report in this study that there are only four tropic cell types in the sea lamprey (Petromyzon marinus) adenohypophysis. We specifically focused on the cell types that produce the glycoprotein hormones (GpHs). The gnathostome adenohypophyseal GpHs are follicle-stimulating hormone (FSH), luteinizing hormone (LH), thyroid-stimulating hormone (TSH), and thyrostimulin...
October 22, 2016: Cell and Tissue Research
https://www.readbyqxmd.com/read/27770257/chondrogenesis-of-embryonic-limb-bud-cells-in-micromass-culture-progresses-rapidly-to-hypertrophy-and-is-modulated-by-hydrostatic-pressure
#18
Anurati Saha, Rebecca Rolfe, Simon Carroll, Daniel J Kelly, Paula Murphy
Chondrogenesis in vivo is precisely controlled in time and space. The entire limb skeleton forms from cells at the core of the early limb bud that condense and undergo chondrogenic differentiation. Whether they form stable cartilage at the articular surface of the joint or transient cartilage that progresses to hypertrophy as endochondral bone, replacing the cartilage template of the skeletal rudiment, is spatially controlled over several days in the embryo. Here, we follow the differentiation of cells taken from the early limb bud (embryonic day 11...
October 22, 2016: Cell and Tissue Research
https://www.readbyqxmd.com/read/27770256/cell-based-therapies-for-neonatal-lung-disease
#19
Megan O'Reilly, Bernard Thébaud
Preterm birth occurs in approximately 11 % of all births worldwide. Advances in perinatal care have enabled the survival of preterm infants born as early as 23-24 weeks of gestation. However, many are affected by bronchopulmonary dysplasia (BPD)-a common respiratory complication of preterm birth, which has life-long consequences for lung health. Currently, there is no specific treatment for BPD. Recent advances in stem cell research have opened new therapeutic avenues for prevention/repair of lung damage...
October 22, 2016: Cell and Tissue Research
https://www.readbyqxmd.com/read/27770255/characterisation-of-vitamin-d-related-molecules-and-calcium-sensing-receptor-in-human-fallopian-tube-during-the-menstrual-cycle-and-in-ectopic-pregnancy
#20
Bassem Refaat, Jawwad Ahmad, Shakir Idris, Fadi Fayez Kamfar, Ahmed Mohamed Ashshi, Sarah Abdullah Batwa, Faizah Ahmed Malibary
This is a prospective observational study that measures the expression of vitamin D (VD) metabolising and signalling molecules and Ca(2+) sensing receptor (CaSR) in human Fallopian tube (FT) during the menstrual cycle and ectopic pregnancy (EP). Fresh FTs were obtained during total abdominal hysterectomy at the follicular (n = 16) and midluteal (n = 16) phases. Specimens from remote and implantation sites as well as trophoblastic tissues were also freshly collected from each FT with EP (n = 10)...
October 22, 2016: Cell and Tissue Research
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