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https://www.readbyqxmd.com/read/28330073/cladosporium-cladosporioides-from-the-perspectives-of-medical-and-biotechnological-approaches
#1
REVIEW
Manaf AlMatar, Essam A Makky
Fungi are important natural product sources that have enormous potential for the production of novel compounds for use in pharmacology, agricultural applications and industry. Compared with other natural sources such as plants, fungi are highly diverse but understudied. However, research on Cladosporium cladosporioides revealed the existence of bioactive products such as p-methylbenzoic acid, ergosterol peroxide (EP) and calphostin C as well as enzymes including pectin methylesterase (PME), polygalacturonase (PG) and chlorpyrifos hydrolase...
June 2016: 3 Biotech
https://www.readbyqxmd.com/read/28329690/tissue-myeloid-progenitors-differentiate-into-pericytes-through-tgf-%C3%AE-signaling-in-developing-skin-vasculature
#2
Tomoko Yamazaki, Ani Nalbandian, Yutaka Uchida, Wenling Li, Thomas D Arnold, Yoshiaki Kubota, Seiji Yamamoto, Masatsugu Ema, Yoh-Suke Mukouyama
Mural cells (pericytes and vascular smooth muscle cells) are essential for the regulation of vascular networks and maintenance of vascular integrity, but their origins are diverse in different tissues and not known in the organs that arise from the ectoderm, such as skin. Here, we show that tissue-localized myeloid progenitors contribute to pericyte development in embryonic skin vasculature. A series of in vivo fate-mapping experiments indicates that tissue myeloid progenitors differentiate into pericytes...
March 21, 2017: Cell Reports
https://www.readbyqxmd.com/read/28329592/giant-subungual-glomus-tumor-clinical-dermoscopy-imagiologic-and-surgery-details
#3
Ana Filipa Duarte, Osvaldo Correia, Hugo Barreiros, Eckart Haneke
Glomus tumor is a rare benign vascular hamartoma derived from the modified smooth muscle cells of the glomus body. Paroxysmal pain is the leading symptom. A 78-year-old woman presented at our clinic with a 50-year history of a slow growing painful purple blue tender nodule under the right fourth finger nail. Dermoscopy and magnetic ressonance confirmed the presence of a large subungual tumor and total surgical excision was performed after partial nail plate avulsion. Histologic examination confirmed a glomus tumor...
October 15, 2016: Dermatology Online Journal
https://www.readbyqxmd.com/read/28328152/microrna-206-regulates-vascular-smooth-muscle-cell-phenotypic-switch-and-vascular-neointimal-formation
#4
Huiyan Sun, Songzhi Cai, Mei Zhang, Juan Zhao, Shuping Wei, Yuyu Luo, Xiangyan Meng, Xin Zhou, Yuming Li, Wencheng Zhang
MiR-206 has been found to play a critical role in skeletal muscle proliferation, differentiation and regeneration. However, little is known about the function of miR-206 in vascular smooth muscle cells (VSMCs) biology. In this study, we will investigate its roles in phenotypic switching of VSMCs and neointimal lesion formation. First, we identified the expression of miR-206 in VSMCs treated with various concentrations of TGFβ1 and in rat carotid arteries after angioplasty by using qPCR. TGFβ1 inhibited the expression of miR-206 and TGFβ1 inhibitor induced miR-206 expression...
March 22, 2017: Cell Biology International
https://www.readbyqxmd.com/read/28328125/two-patients-with-the-heterozygous-r189h-mutation-in-acta2-and-complex-congenital-heart-defects-expands-the-cardiac-phenotype-of-multisystemic-smooth-muscle-dysfunction-syndrome
#5
Thushiha Logeswaran, Christoph Friedburg, Karoline Hofmann, Hakan Akintuerk, Saskia Biskup, Michael Graef, Ali Rad, Axel Weber, Bernd A Neubauer, Dietmar Schranz, Patrice Bouvagnet, Birgit Lorenz, Andreas Hahn
De novo heterozygous mutations changing R179 to histidine, leucine, or cysteine in the ACTA2 gene are associated with Multisystemic Smooth Muscle Dysfunction Syndrome (MSMDS). Characteristic hallmarks of this condition, caused only by these specific ACTA2 mutations, are congenital mydriasis (mid-dilated, non-reactive pupils), a large persistent ductus arteriosus (PDA), aortic aneurysms evolving during childhood, and cerebrovascular anomalies. We describe two patients, a 3-day-old newborn and a 26-year-old woman, with this unique mutation in association with a huge PDA and an aorto-pulmonary window...
April 2017: American Journal of Medical Genetics. Part A
https://www.readbyqxmd.com/read/28328100/smart-mechanosensing-machineries-enable-migration-of-vascular-smooth-muscle-cells-in-atherosclerosis-relevant-3d-matrices
#6
REVIEW
Qingjia Chi, Jieling Shan, Xiaorong Ding, Tieying Yin, Yazhou Wang, Dongyu Jia, Guixue Wang
At the early stage of atherosclerosis, neointima is formed due to the migration of vascular smooth muscle cells (VSMCs) from the media to the intima. VSMCs are surrounded by highly adhesive 3D matrices. They take specific strategies to cross various 3D matrices in the media, including heterogeneous collagen and mechanically-strong basement membrane. Migration of VSMCs is potentially caused by biomechanical mechanism. Most in vitro studies focus on cell migration on 2D substrates in response to biochemical factors...
March 22, 2017: Cell Biology International
https://www.readbyqxmd.com/read/28327604/chymase-producing-cells-of-the-innate-immune-system-are-required-for-decidual-vascular-remodeling-and-fetal-growth
#7
Nicole Meyer, Katja Woidacki, Martin Knöfler, Gudrun Meinhardt, Désirée Nowak, Philipp Velicky, Jürgen Pollheimer, Ana C Zenclussen
Intrauterine growth restriction (IUGR) is caused by insufficient remodeling of spiral arteries (SAs). The mechanism underlying the relevance of natural killer cells (NKs) and mast cells (MCs) for SA remodeling and its effects on pregnancy outcome are not well understood. We show that NK depletion arrested SA remodeling without affecting pregnancy. MC depletion resulted in abnormally remodeled SAs and IUGR. Combined absence of NKs and MCs substantially affected SA remodeling and impaired fetal growth. We found that α-chymase mast cell protease (Mcpt) 5 mediates apoptosis of uterine smooth muscle cells, a key feature of SA remodeling...
March 22, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28327554/ppar%C3%AE-%C3%AE-a-novel-regulator-for-vascular-smooth-muscle-cells-phenotypic-modulation-and-vascular-remodeling-after-subarachnoid-hemorrhage-in-rats
#8
Hongrong Zhang, Li Jiang, Zongduo Guo, Jianjun Zhong, Jingchuan Wu, Junchi He, Han Liu, Zhaohui He, Haitao Wu, Chongjie Cheng, Xiaochuan Sun
Cerebral vascular smooth muscle cell (VSMC) phenotypic switch is involved in the pathophysiology of vascular injury after aneurysmal subarachnoid hemorrhage (aSAH), whereas the molecular mechanism underlying it remains largely speculative. Peroxisome proliferator-activated receptor β/δ (PPARβ/δ) has been implicated to modulate the vascular cells proliferation and vascular homeostasis. In the present study, we investigated the potential role of PPARβ/δ in VSMC phenotypic switch following SAH. Activation of PPARβ/δ by GW0742 and adenoviruses PPARβ/δ (Ad-PPARβ/δ) significantly inhibited hemoglobin-induced VSMC phenotypic switch...
March 22, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28327410/mitochondria-control-acute-and-chronic-responses-to-hypoxia
#9
G S McElroy, N S Chandel
There are numerous mechanisms by which mammals respond to hypoxia. These include acute changes in pulmonary arterial tone due to smooth muscle cell contraction, acute increases in respiration triggered by the carotid body chemosensory cells, and chronic changes such as induction of red blood cell proliferation and angiogenesis by hypoxia inducible factor targets erythropoietin and vascular endothelial growth factor, respectively. Mitochondria account for the majority of oxygen consumption in the cell and have recently been appreciated to serve as signaling organelles required for the initiation or propagation of numerous homeostatic mechanisms...
March 19, 2017: Experimental Cell Research
https://www.readbyqxmd.com/read/28325781/hete-signals-through-g-protein-coupled-receptor-gpr75-gq-to-affect-vascular-function-and-trigger-hypertension
#10
Victor Garcia, Ankit Gilani, Brian Shkolnik, Varunkumar Pandey, Frank F Zhang, Rambabu Dakarapu, Shyam K Gandham, N R Reddy, Joan P Graves, Artiom Gruzdev, Darryl C Zeldin, Jorge H Capdevila, John R Falck, Michal L Schwartzman
Rationale: 20-Hydroxyeicosatetraenoic acid (20-HETE), one of the principle cytochrome P450 (CYP) eicosanoids, is a potent vasoactive lipid whose vascular effects include stimulation of smooth muscle contractility, migration and proliferation, as well as endothelial cell dysfunction and inflammation. Increased levels of 20-HETE in experimental animals and in humans are associated with hypertension, stroke, myocardial infarction and vascular diseases. Objective: To date, a receptor/binding site for 20-HETE has been implicated based on the use of specific agonists and antagonists...
March 21, 2017: Circulation Research
https://www.readbyqxmd.com/read/28325364/retroperitoneal-lymphangioleiomyoma-with-lymph-node-involvement-a-pathologic-radiologic-correlation-of-a-rare-form-of-myomelanocytic-tumor
#11
Amrou Abdelkader, Cesar A Lam, Kaushik S Shahir, Kathleen Christians, Saul M Suster
Lymphangioleiomyomatosis (LAM) is a rare and slowly progressive disorder that usually arises in the lung, affects exclusively women in their childbearing years, and typically presents with progressive dyspnea on exertion and pneumothorax. Infrequently, extra-pulmonary LAM can occur in the retroperitoneum, uterine wall, mediastinum and intraperitoneal lymph nodes. Histologically, LAM is characterized by a proliferation of perivascular epithelioid cells (PEC) that express markers for both melanocytes and smooth muscle cells...
April 2017: Annals of Diagnostic Pathology
https://www.readbyqxmd.com/read/28325283/silencing-of-carbohydrate-sulfotransferase-15-hinders-murine-pulmonary-fibrosis-development
#12
Yoshiro Kai, Koichi Tomoda, Hiroyuki Yoneyama, Masahiro Kitabatake, Atsuhiro Nakamura, Toshihiro Ito, Masanori Yoshikawa, Hiroshi Kimura
Pulmonary fibrosis is a progressive lung disorder characterized by interstitial fibrosis, for which no effective treatments are available. Chondroitin sulfate proteoglycan (CSPG) has been shown to be a mediator, but the specific component of glycosaminoglycan chains of CSPG has not been explored. We show that chondroitin sulfate E-type (CS-E) is involved in fibrogenesis. Small interfering RNA (siRNA) targeting carbohydrate sulfotransferase 15 (CHST15) was designed to inhibit CHST15 mRNA and its product, CS-E...
March 17, 2017: Molecular Therapy. Nucleic Acids
https://www.readbyqxmd.com/read/28324104/vasoprotective-activities-of-the-adrenomedullin-ramp2-system-in-endothelial-cells
#13
Xian Xian, Takayuki Sakurai, Akiko Kamiyoshi, Yuka Ichikawa-Shindo, Megumu Tanaka, Teruhide Koyama, Hisaka Kawate, Lei Yang, Tian Liu, Akira Imai, Liuyu Zhai, Kazutaka Hirabayashi, Kun Dai, Keiya Tanimura, Teng Liu, Nanqi Cui, Kyoko Igarashi, Akihiro Yamauchi, Takayuki Shindo
Neointimal hyperplasia is the primary lesion underlying atherosclerosis and restenosis after coronary intervention. We previously described the essential angiogenic function of the adrenomedullin (AM)-receptor activity-modifying protein 2 (RAMP2) system. In the present study, we assessed the vasoprotective actions of the endogenous AM-RAMP2 system using a wire-induced vascular injury model. We found that neointima formation and vascular smooth muscle cell proliferation were enhanced in RAMP2+/- male mice. The injured vessels from RAMP2+/- mice showed greater macrophage infiltration, inflammatory cytokine expression and oxidative stress than vessels from wild-type mice, and less re-endothelialization...
January 27, 2017: Endocrinology
https://www.readbyqxmd.com/read/28323982/versican-proteolysis-by-adamts-proteases-and-its-influence-on-sex-steroid-receptor-expression-in-uterine-leiomyoma
#14
Ndeye-Aicha Gueye, Timothy J Mead, Christopher D Koch, Charles V Biscotti, Tommaso Falcone, Suneel S Apte
Context: Leiomyomas have abundant extracellular matrix (ECM), with upregulation of versican, a large proteoglycan. Objective: To investigate ADAMTS protease-mediated versican cleavage in myometrium and leiomyoma and the effect of versican knockdown in leiomyoma cells. Design: We used qRT-PCR, western blotting, immunohistochemistry and RNA in situ hybridization for analysis of myometrium, leiomyoma, and immortalized myometrium and leiomyoma cells...
February 6, 2017: Journal of Clinical Endocrinology and Metabolism
https://www.readbyqxmd.com/read/28323848/7%C3%AE-hydroxycholesterol-induces-monocyte-macrophage-cell-expression-of-interleukin-8-via-c5a-receptor
#15
Hyok-Rae Cho, Yonghae Son, Sun-Mi Kim, Bo-Young Kim, Seong-Kug Eo, Young Chul Park, Koanhoi Kim
We investigated effects of 7-oxygenated cholesterol derivatives present in atherosclerotic lesions, 7α-hydroxycholesterol (7αOHChol), 7β-hydroxycholesterol (7βOHChol), and 7-ketocholesterol (7K), on IL-8 expression. Transcript levels of IL-8 and secretion of its corresponding gene product by monocytes/macrophages were enhanced by treatment with 7αOHChol and, to a lesser extent, 7K, but not by 7βOHChol. The 7-oxygenated cholesterol derivatives, however, did not change transcription of the IL-8 gene in vascular smooth muscle cells...
2017: PloS One
https://www.readbyqxmd.com/read/28323397/in-vivo-response-to-decellularized-mesothelium-scaffolds
#16
Michael J Cronce, Renea A Faulknor, Irina Pomerantseva, Xiang-Hong Liu, Scott M Goldman, Emmanuel C Ekwueme, Olive Mwizerwa, Craig M Neville, Cathryn A Sundback
Biological surgical scaffolds are used in plastic and reconstructive surgery to support structural reinforcement and regeneration of soft tissue defects. Macrophage and fibroblast cell populations heavily regulate scaffold integration into host tissue following implantation. In the present study, the biological host response to a commercially available surgical scaffold (Meso BioMatrix Surgical Mesh (MBM)) was investigated for up to 9 weeks after subcutaneous implantation; this scaffold promoted superior cell migration and infiltration previously in in vitro studies relative to other commercially available scaffolds...
March 21, 2017: Journal of Biomedical Materials Research. Part B, Applied Biomaterials
https://www.readbyqxmd.com/read/28322621/bladder-regeneration-using-multiple-scaffolds-with-growth-factors-in-a-bladder
#17
Luc A J Roelofs, Paul K J D de Jonge, Egbert Oosterwijk, Dorien M Tiemessen, Barbara B Kortmann, Robert P E de Gier, Elly M M Versteeg, Willeke F Daamen, Toin H van Kuppevelt, Paul J Geutjes, Wout Feitz
INTRODUCTION: Tissue engineering may become an alternative to current bladder augmentation techniques. Large scaffolds are needed for clinically significant augmentation, but can result in fibrosis and graft shrinkage. The purpose of this study was to investigate the use of multiple scaffolds instead of one large scaffold, to enhance bladder tissue regeneration and bladder capacity. Secondly, acellular collagen, collagen-heparin, and collagen-heparin scaffolds with growth factors were used and the biological activity of the different scaffolds was compared in a large animal model...
March 21, 2017: Tissue Engineering. Part A
https://www.readbyqxmd.com/read/28322300/noncanonical-nf-%C3%AE%C2%BAb-mediates-the-suppressive-effect-of-neutrophil-elastase-on-il-8-cxcl8-by-inducing-nkrf-in-human-airway-smooth-muscle
#18
Shu-Chuan Ho, Sheng-Ming Wu, Po-Hao Feng, Wen-Te Liu, Kuan-Yuan Chen, Hsiao-Chi Chuang, Yao-Fei Chan, Lu-Wei Kuo, Kang-Yun Lee
Neutrophil elastase (NE) suppresses IL-8/CXCL8 in human airway smooth muscle cells (hASM) while stimulating its production in respiratory epithelial cells. This differential effect is mediated by the selective induction of NKRF and dysregulation in chronic inflammatory diseases. We hypothesized that the differential activation of NF-κB subunits confer the opposite effect of NKRF on IL-8/CXCL8 in primary hASM and A549 cells stimulated with NE. The events occurring at the promoters of NKRF and IL-8/CXCL8 were observed by ChIP assays, and the functional role of RelB was confirmed by knockdown and overexpression...
March 21, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28321780/isolation-culture-and-identification-of-pulmonary-arterial-smooth-muscle-cells-from-rat-distal-pulmonary-arteries
#19
Gongyong Peng, Juan Xu, Rongmin Liu, Zhenli Fu, Shaoxing Li, Wei Hong, Jinglong Chen, Bing Li, Pixin Ran
The culture of pulmonary arterial smooth muscle cells (PASMCs) is one of the most powerful tools for exploring the mechanisms of pulmonary hypertension (PH). Both pulmonary vasoconstriction and remodeling occur predominantly in distal pulmonary arteries (PA). In this study, we provide our detailed and standardized protocol for easy isolation and culture of PASMCs from rat distal PA to supply every investigator with a simple, economical and useful method in studying PH. The protocol can be divided into four stages: isolation of distal PA, isolation of cells, growth in culture and passage of cells...
March 21, 2017: Cytotechnology
https://www.readbyqxmd.com/read/28320829/tissue-engineering-functional-gastrointestinal-regions-the-importance-of-stem-and-progenitor-cells
#20
Andrew Trecartin, Tracy Grikscheit
The intestine shows extraordinary regenerative potential that might be harnessed to alleviate numerous morbid and lethal human diseases. The intestinal stem cells regenerate the epithelium every 5 days throughout an individual's lifetime. Understanding stem-cell signaling affords power to influence the niche environment for growing intestine. The manifold approaches to tissue engineering may be organized by variations of three basic components required for the transplantation and growth of stem/progenitor cells: (1) cell delivery materials or scaffolds; (2) donor cells including adult stem cells, induced pluripotent stem cells, and in vitro expansion of isolated or cocultured epithelial, smooth muscle, myofibroblasts, or nerve cells; and (3) environmental modulators or biopharmaceuticals...
March 20, 2017: Cold Spring Harbor Perspectives in Medicine
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