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https://www.readbyqxmd.com/read/29675337/highly-diluted-acetylcholine-promotes-wound-repair-in-an-in-vivo-model
#1
Francesca Uberti, Vera Morsanuto, Sabrina Ghirlanda, Sara Ruga, Nausicaa Clemente, Cristina Boieri, Renzo Boldorini, Claudio Molinari
Objective: Wound healing is a dynamic, interactive, and complex process that involves a series of events, including inflammation, migration, proliferation, granulation tissue formation, and matrix remodeling. Despite the high frequency of serious slow-healing wounds, there is still no adequate therapy. The aim of this study is to evaluate a new highly diluted acetylcholine (Ach) formulation obtained through a sequential kinetic activation (SKA) method applied to a wound healing in vivo model to verify the hypothesis that a low dose of Ach could be a more physiological stimulus for healing, by stimulating muscarinic and nicotinic receptors and their related intracellular pathways...
April 1, 2018: Advances in Wound Care
https://www.readbyqxmd.com/read/29670222/stem-cells-in-middle-ear-cholesteatoma-contribute-to-its-pathogenesis
#2
Julia Nagel, Saskia Wöllner, Matthias Schürmann, Viktoria Brotzmann, Janine Müller, Johannes Fw Greiner, Peter Goon, Barbara Kaltschmidt, Christian Kaltschmidt, Holger Sudhoff
Cholesteatoma is a potentially life-threatening middle ear lesion due to the formation of an inflamed ectopic mass of keratinizing squamous epithelium. Surgical removal remains the only treatment option, emphasizing the need to gain a better understanding of this severe disease. We show for the first time that stem cells residing in cholesteatoma tissue contribute to disease progression. Cells expressing the "stemness" markers Nestin and S100B were detected in middle ear cholesteatoma and auditory canal skin...
April 18, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29666564/neural-induction-potential-and-mri-of-adscs-labeled-cationic-superparamagnetic-iron-oxide-nanoparticle-in-vitro
#3
Weiqiong Ma, Qi Xie, Baolin Zhang, Huixian Chen, Jianyi Tang, Zhengxian Lei, Minyi Wu, Dingxuan Zhang, Jiani Hu
Magnetic resonance imaging (MRI) combined with contrast agents is believed to be useful for stem cell tracking in vivo, and the aim of this research was to investigate the biosafety and neural induction of SD rat-originated adipose derived stem cells (ADSCs) using cationic superparamagnetic iron oxide (SPIO) nanoparticle which was synthesized by the improved polyol method, in order to allow visualization using in vitro MRI. The scan protocols were performed with T2-mapping sequence; meanwhile, the ultrastructure of labeled cells was observed by transmission electron microscopy (TEM) while the iron content was measured by inductively coupled plasma-atomic emission spectrometry (ICP-AES)...
2018: Contrast Media & Molecular Imaging
https://www.readbyqxmd.com/read/29664548/prognostic-significance-of-tem7-and-nestin-expression-in-women-with-advanced-high-grade-serous-ovarian-cancer
#4
Artur Czekierdowski, Norbert Stachowicz, Sylwia Czekierdowska, Tomasz Łoziński, Grzegorz Gurynowicz, Tomasz Kluz
OBJECTIVES: Tumor endothelial marker 7 (TEM7) and nestin have been proposed to be new candidates for neoangiogenesis assessment. Nestin is also cancer stem cells marker in various malignant tumors. AIMS: To investigate the expression of TEM7, nestin and nestin-related microvessel density (MVD) in high-grade serous ovarian cancer samples and to study their correlation with overall survival (OS) and disease-free survival (DFS) times. MATERIAL AND METHODS: Tumor samples obtained from 70 women with FIGO IIIc/IV ovarian serous cancer were studied with immunohistochemistry...
2018: Ginekologia Polska
https://www.readbyqxmd.com/read/29660398/molecular-phenotypes-of-the-human-kidney-myoid-stromal-cells-telocytes-and-myoepithelial-cells
#5
M C Rusu, L Mogoantă, F Pop, M A Dobra
The connective stromal and epithelial compartments of the kidney have regenerative potential and phenotypic flexibility. A few studies have shown that cells appertaining to both compartments can exhibit myoid phenotypes. The purpose of our study was to investigate the myoid pattern of kidney and its association with the kidney niches containing stromal cells/telocytes (SC/TCs). We performed an immunohistochemical study using a panel of endothelial, myoid, mesenchymal and stem/progenitor markers, namely CD31, CD34, CD105 (endoglin), CD117/c-kit, nestin, desmin, α-smooth muscle actin (α-SMA) and the heavy chain of smooth muscle myosin (SMM)...
April 13, 2018: Annals of Anatomy, Anatomischer Anzeiger: Official Organ of the Anatomische Gesellschaft
https://www.readbyqxmd.com/read/29656620/the-effect-of-recombinant-tyrosine-hydroxylase-expression-on-the-neurogenic-differentiation-potency-of-mesenchymal-stem-cells
#6
Gizem Turac, Gokhan Duruksu, Erdal Karaoz
OBJECTIVE: Tyrosine hydroxylase (TH) is a rate-limiting enzyme in dopamine synthesis, making the enhancement of its activity a target for ensuring sufficient dopamine levels. Rat bone marrow mesenchymal stem cells (rBM-MSCs) are known to synthesize TH after differentiating into neuronal cells through chemical induction, but the effect of its ectopic expression on these cells has not yet been determined. This study investigated the effects of ectopic recombinant TH expression on the stemness characteristics of rBM-MSCs...
March 2018: Neurospine
https://www.readbyqxmd.com/read/29655697/leaves-of-acer-palmatum-thumb-rescues-n-ethyl-n-nitrosourea-enu-induced-retinal-degeneration-in-mice
#7
Tae Woo Oh, Hyun Ju Do, Kwang-Youn Kim, Kwang Il Park, Jin Yeul Ma
BACKGROUND: In the East Asia, the genus Acer (Aceraceae) is a herbal medicine that is used to treat various diseases, including hemostasis, hepatic disorders, traumatic bleeding and poor eyesight. However, the effects of Acer palmatum thumb. on retinal degeneration are unknown. AIM: In this study, we investigated whether Acer palmatum thumb.ethanol extract (KIOM-2015E) can protect eyes from retinal degeneration. Our research investigated whether KIOM-2015E could have a protective effect in the retinal degenerating mouse model induced by N-ethyl-N-nitrosourea (ENU)...
March 15, 2018: Phytomedicine: International Journal of Phytotherapy and Phytopharmacology
https://www.readbyqxmd.com/read/29643762/persistent-adult-neuroimmune-activation-and-loss-of-hippocampal-neurogenesis-following-adolescent-ethanol-exposure-blockade-by-exercise-and-the-anti-inflammatory-drug-indomethacin
#8
Ryan P Vetreno, Colleen J Lawrimore, Pamela J Rowsey, Fulton T Crews
Alcohol abuse and binge drinking are common during adolescence, a developmental period characterized by heightened neuroplasticity. Animal studies reveal that adolescent ethanol exposure decreases hippocampal neurogenesis that persists into adulthood, but the mechanism remains to be fully elucidated. Using a rodent model of adolescent intermittent ethanol (AIE; 5.0 g/kg, i.g., 2-days on/2-days off from postnatal day [P]25 to P55), we tested the hypothesis that AIE-induced upregulation of neuroimmune signaling contributes to the loss of hippocampal neurogenesis in adulthood...
2018: Frontiers in Neuroscience
https://www.readbyqxmd.com/read/29622083/role-of-drug-transporters-and-heat-shock-proteins-during-ethanol-exposure-to-human-neural-precursor-cells-and-its-lineages
#9
Sandeep Kumar Vishwakarma, Nusrath Fatima, Chandrakala Lakkireddy, Nagarapu Raju, Avinash Bardia, A Sandhya, Syed Ameer Basha Paspala, Vishnupriya Satti, Aleem Ahmed Khan
INTRODUCTION: Ethanol exposure to developing brain may alter the growth and differentiation of neurological cells resulting in unfavorable pathologies. Earlier studies have provided very limited mechanistic insights of cellular and molecular mechanisms which do not mimic with human situation due to varying cell types and poses potential challenges for investigation. Therefore, the present study was undertaken to evaluate the role of ABC transporters and heat shock proteins mediated response in human neural precursor cells (NPCs) and its lineages during proliferation and lineage differentiation against ethanol exposure...
April 2018: Tissue & Cell
https://www.readbyqxmd.com/read/29611725/isoflurane-post-conditioning-influences-myocardial-infarct-healing-in-rats
#10
I Agnic, N Filipovic, K Vukojevic, M Saraga-Babic, I Grkovic
Isoflurane post-conditioning causes an early increase in cardiac progenitor cells; however, during the chronic phase of infarct healing, the number was smaller compared to control, which suggests a positive effect on infarct scar maturity. Myofibroblasts participate in early phase infarct contraction, but their number is small in a mature scar. We investigated whether isoflurane post-conditioning stimulates differentiation of progenitor cells to myofibroblasts and to verify our hypothesis that isoflurane post-conditioning improves maturation of a myocardial scar...
April 3, 2018: Biotechnic & Histochemistry: Official Publication of the Biological Stain Commission
https://www.readbyqxmd.com/read/29605492/comparative-analysis-on-the-dynamic-of-lacrimal-gland-damage-and-regeneration-after-interleukin-1%C3%AE-or-duct-ligation-induced-dry-eye-disease-in-mice
#11
Jana Dietrich, Carlo Schlegel, Mathias Roth, Joana Witt, Gerd Geerling, Sonja Mertsch, Stefan Schrader
The loss of functional lacrimal gland (LG) tissue causes quantitative tear deficiency and is the most common reason for the development of severe dry eye disease (DED). The induction of LG regeneration in situ would be a promising approach to curatively treat DED, but underlying mechanisms are mainly unclear. Therefore, this study aims to comparatively evaluate the dynamic of LG damage and regeneration in two mouse models in order to study mechanisms of LG regeneration. Male C57BL/6 J mice were used to induce damage to the right extraorbital LG either by a single interleukin (IL) 1α injection or a ligation of the secretory duct for 7 days...
March 29, 2018: Experimental Eye Research
https://www.readbyqxmd.com/read/29598902/retraction-notice-to-cd133-cd44-oct4-nestin-stem-like-cells-isolated-from-panc-1-cell-line-may-contribute-to-multi-resistance-and-metastasis-of-pancreatic-cancer-acta-histochemica-115-2013-349-356
#12
Dongqing Wang, Haitao Zhu, Ying Zhu, Yanfang Liu, Huiling Shen, Ruigen Yin, Zhijian Zhang, Zhaoliang Su
No abstract text is available yet for this article.
April 2018: Acta Histochemica
https://www.readbyqxmd.com/read/29593339/quantitative-proteomic-profiling-of-primary-cancer-associated-fibroblasts-in-oesophageal-adenocarcinoma
#13
Antigoni Manousopoulou, Annette Hayden, Massimiliano Mellone, Diana J Garay-Baquero, Cory H White, Fergus Noble, Monette Lopez, Gareth J Thomas, Timothy J Underwood, Spiros D Garbis
BACKGROUND: Cancer-associated fibroblasts (CAFs) form the major stromal component of the tumour microenvironment (TME). The present study aimed to examine the proteomic profiles of CAFs vs. normal fibroblasts (NOFs) from patients with oesophageal adenocarcinoma to gain insight into their pro-oncogenic phenotype. METHODS: CAFs/NOFs from four patients were sub-cultured and analysed using quantitative proteomics. Differentially expressed proteins (DEPs) were subjected to bioinformatics and compared with published proteomics and transcriptomics  datasets...
March 29, 2018: British Journal of Cancer
https://www.readbyqxmd.com/read/29587781/ossifying-fibromyxoid-tumor-of-soft-parts-in-head-and-neck-case-report-and-literature-review
#14
Ignacio A Velasco, Ran Zhang, Tiejun Li, Diancan Wang
BACKGROUND: Ossifying fibromyxoid tumor of soft parts (OFMT), is a rare but morphologically distinctive neoplasm of uncertain histogenesis that most frequently affects middle-aged male adults. Clinically, it usually presents as a slowly enlarging, small, circumscribed mass, which in most cases is painless. OFMT is most frequently found within the subcutaneous tissues of extremities or trunk, and rarely in the oral/head and neck region. We present an unusual case of this tumor in the submandibular region, and, based on the current medical literatures this is probably the first case described in this anatomical location...
March 27, 2018: Diagnostic Pathology
https://www.readbyqxmd.com/read/29579552/proliferative-hippocampal-activity-in-a-group-of-patients-with-rasmussen-s-encephalitis-neuronal-glial-and-bdnf-tissue-expression-correlations
#15
Elane N Magno
Rasmussen's encephalitis (RE) is a rare and devastating unilateral inflammatory brain disease that causes severe and intractable partial epilepsy. It has been shown that epilepsy and subsequent inflammation have deleterious influence on hippocampal cell survival and neurogenesis, but this still has not been systematically explored in human tissue. In this study, we investigated the correlation between inflammation and epilepsy as well as the rates of hippocampal gliogenesis and neurogenesis in a pediatric group of six patients with RE and six control cases...
March 23, 2018: Epilepsy & Behavior: E&B
https://www.readbyqxmd.com/read/29572803/nerve-growth-and-interaction-in-gelfoam-%C3%A2-histoculture-a-nervous-system-organoid
#16
Robert M Hoffman, Sumiyuki Mii, Jennifer Duong, Yasuyuki Amoh
Nestin-expressing hair follicle-associated pluripotent (HAP) stem cells reside mainly in the bulge area (BA) of the hair follicle but also in the dermal papilla (DP). The BA appears to be origin of HAP stem cells. Long-term Gelfoam® histoculture was established of whiskers isolated from transgenic mice, in which there is nestin-driven green fluorescent protein (ND-GFP). HAP stem cells trafficked from the BA toward the DP area and extensively grew out onto Gelfoam® forming nerve-like structures. These fibers express the neuron marker β-III tubulin-positive fibers and consisted of ND-GFP-expressing cells and extended up to 500 mm from the whisker nerve stump in Gelfoam® histoculture...
2018: Methods in Molecular Biology
https://www.readbyqxmd.com/read/29572802/hair-follicle-associated-pluripotent-hap-stem-cells-in-gelfoam-%C3%A2-histoculture-for-use-in-spinal-cord-repair
#17
Fang Liu, Robert M Hoffman
The stem cell marker, nestin, is expressed in the hair follicle, both in cells in the bulge area (BA) and the dermal papilla (DP). Nestin-expressing hair follicle-associated-pluripotent (HAP) stem cells of both the BA and DP have been previously shown to be able to form neurons, heart muscle cells, and other non-follicle cell types. The ability of the nestin-expressing HAP stem cells from the BA and DP to repair spinal cord injury was compared. Nestin-expressing HAP stem cells from both the BA and DP grew very well on Gelfoam® ...
2018: Methods in Molecular Biology
https://www.readbyqxmd.com/read/29568879/retinal-ganglion-cell-conditioned-medium-and-surrounding-pressure-alters-gene-expression-and-differentiation-of-rat-retinal-progenitor-cells
#18
Min Dai, Qing Zhang, Zhikun Zheng, Jianzhou Wang
Loss of retinal ganglion cells is implicated in glaucoma and high intraocular pressure. Factors that affect the differentiation of retinal progenitor cells into retinal ganglion cells remain unclear. The present study aimed to investigate the effects of retinal ganglion cell‑conditioned medium on gene expression and differentiation in retinal progenitor cells, and the effects of surrounding pressure on the survival and differentiation of retinal progenitor cells. Retinal progenitor cells and retinal ganglion cells were isolated from rats...
March 14, 2018: Molecular Medicine Reports
https://www.readbyqxmd.com/read/29563063/early-postnatal-development-of-the-visual-cortex-in-mice-with-retinal-degeneration
#19
D Himmelhan, O Rawashdeh, H H A Oelschläger
This study characterizes the early postnatal development of the visual neocortex in C3H/HeNRj mice. These mice are homozygous for the Pde6brd1 mutation, which causes retinal degeneration starting from postnatal day 7 (P7). To monitor the development of the visual cortex between P3 and P28 we used eight antigens known to be expressed at different developmental stages (Nestin, tau3, β3- Tubulin, Calbindin, Doublecortin, MAP2, Parvalbumin and NeuN). Using semiquantitative analysis we traced the expression and localization of different developmental markers throughout the layers of the visual cortex...
March 18, 2018: Mechanisms of Development
https://www.readbyqxmd.com/read/29560627/-effect-of-moxibustion-on-delayed-memory-and-expression-of-hippocampal-nestin-and-doublecortin-proteins-in-dementia-rats
#20
Yin-Qiu Fan, Jing-Cheng Cui, Jun Yang, Pin Wang
OBJECTIVE: To observe the effect of "Huayu Tongluo"(Blood-stasis Dispersing and Meridian-collateral Dredging) moxibustion on the delayed memory and expression of Nestin and Doublecortin (DCX) proteins in the hippocampus in vascular dementia (VD) rats in the view of neurogenesis produced by intracerebral transplantation of neural stem cells (NSCs) and endothelial progenitor cells (EPCs). METHODS: Healthy male Wistar rats were randomized into control group, VD model group,NSCs+EPCs group and NSCs+EPCs moxibustion group...
March 25, 2018: Zhen Ci Yan Jiu, Acupuncture Research
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