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Extracellular fluid

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https://www.readbyqxmd.com/read/28650604/serum-adiponectin-levels-in-adolescents-and-young-adults-with-growth-hormone-deficiency
#1
(no author information available yet)
INTRODUCTION: Adiponectin (APN) is adipose tissue-derived hormone influencing energy metabolism. Growth hormone deficiency (GHD) may contribute to the development of disturbances in the hormonal function of adipose tissue (AT), and many disorders observed in untreated patients with GHD coincides with these contributed to low serum APN levels. OBJECTIVES: The assessment of serum adiponectin levels in adolescents and young adults with severe or partial GHD and analysis of relationships between serum APN and GH/IGF-1 axis function impairment as well as cardiometabolic risk factors...
May 26, 2017: Neuro Endocrinology Letters
https://www.readbyqxmd.com/read/28648961/uterine-fluid-in-pregnancy-a-biological-and-clinical-outlook
#2
REVIEW
Ying Zhang, Qiang Wang, Hongmei Wang, Enkui Duan
Once considered a simple medium for sperm and embryo transport, the functional spectrum of uterine fluid is now expanding. Novel molecular players, such as extracellular vesicles and mobile RNAs, have been detected in the uterine fluid of livestock, rodents, and humans. These novel molecules, together with previously known ions and proteins, ensure uterine fluid homeostasis and facilitate embryo-maternal interactions. Here, we propose that these molecules may also carry information that mirrors maternal environmental exposure and possibly relay such information to the embryo via uterine fluid, generating long-term epigenetic effects on the offspring via embryonic and placental programming...
May 25, 2017: Trends in Molecular Medicine
https://www.readbyqxmd.com/read/28648952/extracellular-vesicles-as-biomarkers-and%C3%A2-therapeutics-in-dermatology-a%C3%A2-focus%C3%A2-on-exosomes
#3
REVIEW
Jeffrey D McBride, Luis Rodriguez-Menocal, Evangelos V Badiavas
Extracellular vesicles (exosomes, microvesicles, and apoptotic bodies) are ubiquitous in human tissues, circulation, and body fluids. Of these vesicles, exosomes are of growing interest among investigators across multiple fields, including dermatology. The characteristics of exosomes, their associated cargo (nucleic acids, proteins, and lipids), and downstream functions are vastly different, depending on the cell origin. Here, we review concepts in extracellular vesicle biology, with a focus on exosomes, highlighting recent studies in the field of dermatology...
June 22, 2017: Journal of Investigative Dermatology
https://www.readbyqxmd.com/read/28648184/uterine-fluid-in-pregnancy-a-biological-and-clinical-outlook
#4
REVIEW
Ying Zhang, Qiang Wang, Hongmei Wang, Enkui Duan
Once considered a simple medium for sperm and embryo transport, the functional spectrum of uterine fluid is now expanding. Novel molecular players, such as extracellular vesicles and mobile RNAs, have been detected in the uterine fluid of livestock, rodents, and humans. These novel molecules, together with previously known ions and proteins, ensure uterine fluid homeostasis and facilitate embryo-maternal interactions. Here, we propose that these molecules may also carry information that mirrors maternal environmental exposure and possibly relay such information to the embryo via uterine fluid, generating long-term epigenetic effects on the offspring via embryonic and placental programming...
July 2017: Trends in Molecular Medicine
https://www.readbyqxmd.com/read/28647469/intra-articular-injection-of-microrna-140-alleviates-osteoarthritis-progression-by-modulating-extracellular-matrix-homeostasis-in-rats
#5
Hai-Bo Si, Yi Zeng, Shu-Yun Liu, Zong-Ke Zhou, You-Nan Chen, Jing-Qiu Cheng, Yan-Rong Lu, Bin Shen
OBJECTIVE: Disruptions of extracellular matrix (ECM) homeostasis are key events in the pathogenesis of osteoarthritis (OA). MicroRNA-140 (miRNA-140) is expressed specifically in cartilage and regulates ECM-degrading enzymes. Our objective in this study was to determine if intra-articular injection of miRNA-140 can attenuate OA progression in rats. DESIGN: miRNA-140 levels in human normal and OA cartilage derived chondrocytes and synovial fluid were assessed by polymerase chain reaction (PCR)...
June 21, 2017: Osteoarthritis and Cartilage
https://www.readbyqxmd.com/read/28646903/human-adipose-tissue-mesenchymal-stromal-cells-and-their-extracellular-vesicles-act-differentially-on-lung-mechanics-and-inflammation-in-experimental-allergic-asthma
#6
Ligia Lins de Castro, Debora Gonçalves Xisto, Jamil Zola Kitoko, Fernanda Ferreira Cruz, Priscilla Christina Olsen, Patricia Albuquerque Garcia Redondo, Tatiana Paula Teixeira Ferreira, Daniel Jay Weiss, Marco Aurélio Martins, Marcelo Marcos Morales, Patricia Rieken Macedo Rocco
BACKGROUND: Asthma is a chronic inflammatory disease that can be difficult to treat due to its complex pathophysiology. Most current drugs focus on controlling the inflammatory process, but are unable to revert the changes of tissue remodeling. Human mesenchymal stromal cells (MSCs) are effective at reducing inflammation and tissue remodeling; nevertheless, no study has evaluated the therapeutic effects of extracellular vesicles (EVs) obtained from human adipose tissue-derived MSCs (AD-MSC) on established airway remodeling in experimental allergic asthma...
June 24, 2017: Stem Cell Research & Therapy
https://www.readbyqxmd.com/read/28643937/proinflammatory-effects-and-mechanisms-of-calprotectin-on-human-gingival-fibroblasts
#7
H Gao, J Hou, H Meng, X Zhang, Y Zheng, L Peng
BACKGROUND AND OBJECTIVE: Calprotectin (S100A8/A9) is a heterodimer of S100A8 and S100A9 and is associated with multiple inflammatory diseases, including Crohn's disease, rheumatoid arthritis and periodontitis. Levels of calprotectin are elevated in the gingival crevicular fluid of patients with periodontitis; however, the effects of calprotectin on human gingival fibroblasts (HGFs) remain unknown. This study investigated the proinflammatory activity of calprotectin on HGFs and the functional receptors and signaling pathways engaged by calprotectin...
June 23, 2017: Journal of Periodontal Research
https://www.readbyqxmd.com/read/28643926/fluid-pressurization-and-tractional-forces-during-tmj-disc-loading-a-biphasic-finite-element-analysis
#8
Y Wu, S E Cisewski, F Wei, X She, T S Gonzales, L R Iwasaki, J C Nickel, H Yao
OBJECTIVES: To investigate the ploughing mechanism associated with tractional force formation on the temporomandibular joint (TMJ) disc surface. SETTING AND SAMPLE POPULATION: Ten left TMJ discs were harvested from 6- to 8-month-old male Yorkshire pigs. MATERIALS AND METHODS: Confined compression tests characterized mechanical TMJ disc properties, which were incorporated into a biphasic finite element model (FEM). The FEM was established to investigate load carriage within the extracellular matrix (ECM) and the ploughing mechanism during tractional force formation by simulating previous in vitro plough experiments...
June 2017: Orthodontics & Craniofacial Research
https://www.readbyqxmd.com/read/28643869/mechanotransduction-properties-of-the-cytoplasmic-tail-of-pecam-1
#9
Jessica L Snyder, Elena McBeath, Tamlyn N Thomas, Yi Jen Chiu, Robert L Clark, Keigi Fujiwara
BACKGROUND: Vascular endothelial cells (ECs) are a well-known cell system used in the study of mechanobiology. Using cultured ECs, we found that platelet endothelial cell adhesion molecule 1 (PECAM-1, CD31), a cell adhesion protein localized to regions of EC-EC contact, was rapidly tyrosine phosphorylated in ECs exposed to shear or cyclic stretch. Src-homology 2 domain-containing protein tyrosine phosphatase 2 (SHP2) binds phosphorylated PECAM-1 and activates the extracellular signal-regulated kinase1/2 (ERK1/2) signaling cascade, a known flow-activated signaling pathway...
June 23, 2017: Biology of the Cell
https://www.readbyqxmd.com/read/28641538/glt-1-upregulation-as-a-potential-therapeutic-target-for-ischemic-brain-injury
#10
Yu-Yan Hu, Li Li, Xiao-Hui Xian, Min Zhang, Xiao-Cai Sun, Shu-Qin Li, Xin Cui, Jie Qi, Wen-Bin Li
Glutamate is the primary excitatory neurotransmitter in the mammalian central nervous system, which plays an important role in many aspects of normal brain function such as neural development, motor functions, learning and memory etc. However, excessive accumulation of glutamate in the extracellular fluid will induce excitotoxicity which is considered to be a major mechanism of cell death in brain ischemia. There is no enzyme to decompose the glutamate in extracellular fluid, so extracellular glutamate homeostasis within the central nervous system is mainly regulated by the uptake activity of excitatory amino acid transporters...
June 22, 2017: Current Pharmaceutical Design
https://www.readbyqxmd.com/read/28640691/the-nesprin-cytoskeleton-interface-probed-directly-on-single-nuclei-is-a-mechanically-rich-system
#11
Daniel A Balikov, Sonia K Brady, Ung Hyun Ko, Jennifer H Shin, Jose M de Pereda, Arnoud Sonnenberg, Hak-Joon Sung, Matthew J Lang
The cytoskeleton provides structure and plays an important role in cellular function such as migration, resisting compression forces, and transport. The cytoskeleton also reacts to physical cues such as fluid shear stress or extracellular matrix remodeling by reorganizing filament associations, most commonly focal adhesions and cell-cell cadherin junctions. These mechanical stimuli can result in genome-level changes, and the physical connection of the cytoskeleton to the nucleus provides an optimal conduit for signal transduction by interfacing with nuclear envelope proteins, called nesprins, within the LINC (linker of the nucleus to the cytoskeleton) complex...
June 22, 2017: Nucleus
https://www.readbyqxmd.com/read/28640449/polycystic-kidney-disease
#12
Joseph Ghata, Benjamin D Cowley
Renal cysts, which arise from renal tubules, can be seen in a variety of hereditary and nonhereditary entities. Common mechanisms associated with renal cyst formation include increased cell proliferation, epithelial fluid secretion, and extracellular matrix remodeling. Hereditary polycystic kidney disease (PKD) is seen as a component of numerous diseases. Autosomal dominant (AD) PKD is the most common potentially fatal hereditary disease in humans, causes renal failure in approximately 50% of affected individuals, and accounts for approximately 5% of end stage renal disease cases in the United States...
June 18, 2017: Comprehensive Physiology
https://www.readbyqxmd.com/read/28639404/mechanoresponsiveness-of-human-adipose-stem-cells-on-nanocomposite-and-micro-hybrid-composite
#13
Fransisca A S van Esterik, Samaneh Ghazanfari, Behrouz Zandieh-Doulabi, Cornelis M Semeins, Cornelis J Kleverlaan, Jenneke Klein-Nulend
Resin-based composites are used for bone repair applications and comprise resin matrix and different sized filler particles. Nanometer-sized filler particles improve composite's mechanical properties compared to micrometer-sized filler particles, but whether differences exist in the biological response to these composites is unknown. Natural bone comprises a nanocomposite structure, and nanoscale interactions with extracellular matrix components influence stem cell differentiation. Therefore we hypothesized that nanometer-sized filler particles in resin-based composites enhance osteogenic differentiation of stem cells showing a more bone cell-like response to mechanical loading compared to micrometer-sized filler particles...
June 22, 2017: Journal of Biomedical Materials Research. Part A
https://www.readbyqxmd.com/read/28639291/perfusion-of-isolated-rat-kidney-with-mesenchymal-stromal-cells-extracellular-vesicles-prevents-ischaemic-injury
#14
Marilena Gregorini, Valeria Corradetti, Eleonora Francesca Pattonieri, Chiara Rocca, Samantha Milanesi, Andrea Peloso, Silvana Canevari, Loris De Cecco, Matteo Dugo, Maria Antonietta Avanzini, Melissa Mantelli, Marcello Maestri, Pasquale Esposito, Stefania Bruno, Carmelo Libetta, Antonio Dal Canton, Teresa Rampino
Kidney donation after circulatory death (DCD) is a less than ideal option to meet organ shortages. Hypothermic machine perfusion (HMP) with Belzer solution (BS) improves the viability of DCD kidneys, although the graft clinical course remains critical. Mesenchymal stromal cells (MSC) promote tissue repair by releasing extracellular vesicles (EV). We evaluated whether delivering MSC-/MSC-derived EV during HMP protects rat DCD kidneys from ischaemic injury and investigated the underlying pathogenic mechanisms...
June 21, 2017: Journal of Cellular and Molecular Medicine
https://www.readbyqxmd.com/read/28634420/characterization-of-the-proinflammatory-profile-of-synovial-fluid-derived-exosomes-of-patients-with-osteoarthritis
#15
Rossana Domenis, Rossella Zanutel, Federica Caponnetto, Barbara Toffoletto, Adriana Cifù, Cinzia Pistis, Paolo Di Benedetto, Araldo Causero, Massimo Pozzi, Fabrizio Bassini, Martina Fabris, Kayvan R Niazi, Patrick Soon-Shiong, Francesco Curcio
The purpose of this study is to characterize synovial fluid- (SF-) derived exosomes of patients with gonarthrosis comparing two methods of isolation and to investigate their immune regulatory properties. Extracellular vesicles (EVs) have been isolated from inflamed SF by polymer precipitation method and quantified by Exocet kit and by nanoparticle tracking analysis. Vesicles expressed all the specific exosomal markers by immunoblot and FACS. After isolation with Exoquick, a relevant contamination by immune complexes was detected, which required further magnetic bead-based purification to remove...
2017: Mediators of Inflammation
https://www.readbyqxmd.com/read/28634272/the-secreted-msp-domain-of-c-elegans-vapb-homolog-vpr-1-patterns-the-adult-striated-muscle-mitochondrial-reticulum-via-smn-1
#16
Jessica Schultz, Se-Jin Lee, Tim Cole, Hieu D Hoang, Jack Vibbert, Pauline A Cottee, Michael A Miller, Sung Min Han
The major sperm protein domain (MSPd) has an extracellular signaling function implicated in amyotrophic lateral sclerosis. Secreted MSPds derived from the C. elegans VAPB homolog VPR-1 promote mitochondrial localization to actin-rich I-bands in body wall muscle. Here we show that the nervous system and germ line are key MSPd secretion tissues. MSPd signals are transduced through the CLR-1 Lar-like tyrosine phosphatase receptor. We show that CLR-1 is expressed throughout the muscle plasma membrane, where it is accessible to MSPd within the pseudocoelomic fluid...
June 15, 2017: Development
https://www.readbyqxmd.com/read/28630214/patient-derived-interstitial-fluids-and-predisposition-to-aggressive-sporadic-breast-cancer-through-collagen-remodeling-and-inactivation-of-p53
#17
Timothy Kenny, Hank Schmidt, Kerin Adelson, Yujin Hoshida, Anna P Koh, Nagma Shah, John P Mandeli, Jess Ting, Doris Germain
Despite the fact that interstitial fluid (IF) represents a third of our body fluid, it is the most poorly understood body fluid in medicine. Increased IF pressure is thought to result from the increased deposition of extracellular matrix in the affected tissue preventing its reabsorption. In the cancer field, increased rigidity surrounding a cancerous mass remains the main reason that palpation and radiological examination, such as mammography, are used for cancer detection. While the pressure produced by IF has been considered, the biochemical composition of IF has not been considered in its effect on tumors...
June 19, 2017: Clinical Cancer Research: An Official Journal of the American Association for Cancer Research
https://www.readbyqxmd.com/read/28630101/oviduct-extracellular-vesicles-protein-content-and-their-role-during-oviduct-embryo-cross-talk
#18
Carmen Alminana, Emilie Corbin, Guillaume Tsikis, Agostinho S Alcantara-Neto, Valérie Labas, Karine Reynaud, Laurent Galio, Rustem Uzbekov, Anastasiia S Garanina, Xavier Druart, Pascal Mermillod
Successful pregnancy requires an appropriate communication between the mother and the embryo. Recently, exosomes and microvesicles, both membrane-bound extracellular vesicles (EVs) present in the oviduct fluid have been proposed as key modulators of this unique cross-talk. However, little is known about their content and their role during oviduct-embryo dialogue. Given the known differences in secretions by in vivo and in vitro oviduct epithelial cells (OEC), we aimed at deciphering the oviduct EVs protein content from both sources...
June 19, 2017: Reproduction: the Official Journal of the Society for the Study of Fertility
https://www.readbyqxmd.com/read/28629357/xuefuzhuyu-decoction-protected-cardiomyocytes-against-hypoxia-reoxygenation-injury-by-inhibiting-autophagy
#19
Xiaowen Shi, Haiyan Zhu, Yuanyuan Zhang, Mingmei Zhou, Danli Tang, Huamin Zhang
BACKGROUND: XuefuZhuyu decoction (XFZY) is a well-known traditional Chinese herbal medicine for the treatment of various cardiovascular diseases, such as unstable angina pectoris and myocardial ischemia-reperfusion injury. However, the mechanism by which XFZY contributes to the amelioration of cardiac injury remains unclear. METHODS: H9C2 cells were cultured under the hypoxic condition for 10 h and reoxygenated for 2 h. In the presence of various concentrations of XFZY for 12 h, the cell viability was measured by MTT assay...
June 19, 2017: BMC Complementary and Alternative Medicine
https://www.readbyqxmd.com/read/28628116/cadherin-composition-and-multicellular-aggregate-invasion-in-organotypic-models-of-epithelial-ovarian-cancer-intraperitoneal-metastasis
#20
Y Klymenko, O Kim, E Loughran, J Yang, R Lombard, M Alber, M S Stack
During epithelial ovarian cancer (EOC) progression, intraperitoneally disseminating tumor cells and multicellular aggregates (MCAs) present in ascites fluid adhere to the peritoneum and induce retraction of the peritoneal mesothelial monolayer prior to invasion of the collagen-rich submesothelial matrix and proliferation into macro-metastases. Clinical studies have shown heterogeneity among EOC metastatic units with respect to cadherin expression profiles and invasive behavior; however, the impact of distinct cadherin profiles on peritoneal anchoring of metastatic lesions remains poorly understood...
June 19, 2017: Oncogene
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