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https://www.readbyqxmd.com/read/28231365/alteration-of-serum-levels-of-inflammatory-cytokines-and-polysomnographic-indices-after-uvulopalatal-flap-surgery-in-obstructive-sleep-apnea
#1
Murad Mutlu, Erkan Vuralkan, Istemihan Akin, Hikmet Firat, Sadik Ardic, Sevgi Akaydin, Ece Miser
The aim of the current study was to compare the changes in polysomnographic indices and serum levels of C-reactive protein (CRP), cystatin C, tumor necrosis factor-α (TNF-α), and intercellular adhesion molecule-1 (ICAM-1) in patients with obstructive sleep apnea (OSA) who were treated surgically via a uvulopalatal flap (UPF) technique. Twenty-five patients (14 men, 11 women), average age 46.2 ± 9.3 years, who underwent UPF surgery were included in this study. Serum biochemical analyses and polysomnographic examinations were performed before and 6 months after the surgery...
February 2017: Ear, Nose, & Throat Journal
https://www.readbyqxmd.com/read/28230777/cryptomphalus-aspersa-mollusc-egg-extract-promotes-regenerative-effects-in-human-dermal-papilla-stem-cells
#2
María Teresa Alameda, Esther Morel, Concepción Parrado, Salvador González, Ángeles Juarranz
The aim of this study was to test, by an in vitro approach, whether a natural extract derived from eggs of the mollusc Cryptomphalus aspersa (e-CAF) that seems to present regenerative properties, can enhance the mobilization of human hair dermal papilla cells (HHDPCs) and play a role on tissue repair and regeneration. We have tested HHDPCs proliferation by the 3-[4,5-dimethylthiazol-2-yl]-2,5-diphenyltetrazolium-bromide (MTT) assay; cell migration by using a wound healing assay, as well as the modulation of the expression of cytoskeletal (F-actin and vimentin) and cell adhesion to the extracellular matrix (ECM) (vinculin and P-FAK) proteins...
February 21, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28229593/development-of-laser-structured-liquid-infused-titanium-with-strong-biofilm-repellent-properties
#3
Katharina Doll, Elena Fadeeva, Joern Schaeske, Tobias Ehmke, Andreas Winkel, Alexander Heisterkamp, Boris N Chichkov, Meike Stiesch, Nico S Stumpp
Medical implants are commonly used in modern medicine but still harbor the risk of microbial infections caused by bacterial biofilms. As their retrospective treatment is difficult, there is a need for biomedical materials, which inhibit bacterial colonization from the start without using antibacterial agents, as these can promote resistance development. The promising concept of slippery liquid-infused porous surfaces (SLIPS) possesses enormous potential for this purpose. In the present study, this principle was applied to titanium, a common material in implantology, and its biofilm-repellent properties were demonstrated...
February 23, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28227044/dental-plaque-assessment-lifelogging-system-using-commercial-camera-for-oral-healthcare
#4
Mai Kasai, Yuka Iijima, Hiroshi Takemura, Hiroshi Mizoguchi, Tomoko Ohshima, Naho Satomi, Mai Kasai, Yuka Iijima, Hiroshi Takemura, Hiroshi Mizoguchi, Tomoko Ohshima, Naho Satomi, Tomoko Ohshima, Naho Satomi, Hiroshi Takemura, Mai Kasai, Hiroshi Mizoguchi, Yuka Iijima
We present a system for estimating the dental plaque adhesion area using a commercial camera image for oral healthcare via management of the intraoral environment. In recent years, several studies have reported on the relationship between a general disease and a periodontal disease. Such studies mention that normalization of the intraoral environment by tooth brushing is the most important treatment in preventive dentistry. However, evaluation of individual tooth brushing skill is difficult. Some devices for automatically measuring the quantity of dental plaque have already been proposed for the teaching tool of tooth brushing...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28226896/evaluation-of-biofouling-for-implantable-micro-dialysis-system
#5
T Ota, N To, Y Kanno, N Miki, T Ota, N To, Y Kanno, N Miki, T Ota, Y Kanno, N Miki, N To
Implantable artificial kidney can drastically improve the quality of life of the renal disease patients. In previous study, our group has developed a multi-layered micro dialysis device which is composed of micro stainless steel channels and nano-porous polyethersulfone (PES) membranes. The device conducts hemofiltration without dialysis fluids, which is advantageous in miniaturization. We investigated the water-permeability of the PES membrane through in vivo experiments using rat model of renal disease for 5 hours and verified the effectiveness of the device...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28225914/the-effectiveness-of-heparin-platelet-rich-plasma-prp-and-silver-nanoparticles-on-prevention-of-postoperative-peritoneal-adhesion-formation-in-rats
#6
Hamid Reza Makarchian, Amir Kasraianfard, Pezhman Ghaderzadeh, Seyed Mohammad Reza Javadi, Manoochehr Ghorbanpoor
Purpose: To assess the effectiveness of heparin, platelet-rich plasma (PRP), and silver nanoparticles on prevention of postoperative adhesion in animal models. Methods: Sixty males Albino Wistar rats aged 5 to 6 weeks were classified into five groups receiving none, heparin, PRP, silver nanoparticles, PRP plus silver nanoparticles intraperitoneally. After 2 weeks, the animals underwent laparotomy and the damaged site was assessed for peritoneal adhesions severity...
January 2017: Acta Cirúrgica Brasileira
https://www.readbyqxmd.com/read/28225101/macrophage-infiltration-of-electrospun-polyester-fibers
#7
Shen Liu, Hua Chen, Tianyi Wu, Guoqing Pan, Cunyi Fan, Yaozeng Xu, Wenguo Cui
Electrospun fibrous polylactide (PLA) membranes have been widely used for peritendinous anti-adhesion, but their degradation may lead to granuloma formation triggered by macrophages as the result of a foreign body reaction. To understand and solve this problem in peritendinous anti-adhesion, the effects of electrospun fibrous PLA membranes (PLA-M) and the mechanism by which macrophages elicit a foreign body reaction should be elaborated. Thus, the purpose of this study was to evaluate the ability of PLA-M and ibuprofen (IBU)-loaded fibrous PLA membranes (IBU/PLA-M) to prevent adhesion/granuloma formation around the tendon, and to understand the mechanism of macrophage infiltration...
February 22, 2017: Biomaterials Science
https://www.readbyqxmd.com/read/28225038/direct-binding-of-mek1-and-mek2-to-akt-induces-foxo1-phosphorylation-cellular-migration-and-metastasis
#8
Shiri Procaccia, Merav Ordan, Izel Cohen, Sarit Bendetz-Nezer, Rony Seger
Crosstalk between the ERK cascade and other signaling pathways is one of the means by which it acquires its signaling specificity. Here we identified a direct interaction of both MEK1 and MEK2 with AKT. The interaction is mediated by the proline rich domain of MEK1/2 and regulated by phosphorylation of Ser298 in MEK1, or Ser306 in MEK2, which we identified here as a novel regulatory site. We further developed a blocking peptide, which inhibits the interaction between MEK and AKT, and when applied to cells, affects migration and adhesion, but not proliferation...
February 22, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28223935/morus-alba-leaf-lectin-mll-sensitizes-mcf-7-cells-to-anoikis-by-inhibiting-fibronectin-mediated-integrin-fak-signaling-through-ras-and-activation-of-p-38-mapk
#9
Jayaram Saranya, Ganesan Shilpa, Kozhiparambil G Raghu, Sulochana Priya
Lectins are a unique class of carbohydrate binding proteins/glycoproteins, and many of them possess anticancer properties. They can induce cell cycle arrest and apoptosis, inhibit protein synthesis, telomerase activity and angiogenesis in cancer cells. In the present study, we have demonstrated the effect of Morus alba leaf lectin (MLL) on anoikis induction in MCF-7 cells. Anoikis induction in cancer cells has a significant role in preventing early stage metastasis. MLL treatment in monolayers of MCF-7 cells caused significant detachment of cells in a time and concentration dependent manner...
2017: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/28223334/corneal-surface-glycosylation-is-modulated-by-il-1r-and-pseudomonas-aeruginosa-challenge-but-is-insufficient-for-inhibiting-bacterial-binding
#10
Amber L Jolly, Paresh Agarwal, Matteo M E Metruccio, David R Spiciarich, David J Evans, Carolyn R Bertozzi, Suzanne M J Fleiszig
Cell surface glycosylation is thought to be involved in barrier function against microbes at mucosal surfaces. Previously we showed that the epithelium of healthy mouse corneas becomes vulnerable to P. aeruginosa adhesion if it lacks the innate defense protein MyD88 (myeloid differentiation primary response gene 88), or after superficial injury by blotting with tissue paper. Here we explored their effect on corneal surface glycosylation using a metabolic label, tetra-acetylated N-azidoacetylgalactosamine (Ac4GalNAz)...
February 21, 2017: FASEB Journal: Official Publication of the Federation of American Societies for Experimental Biology
https://www.readbyqxmd.com/read/28217667/the-efficacy-of-pre-delivery-prophylactic-trans-catheter-arterial-balloon-occlusion-of-bilateral-internal-iliac-artery-in-patients-with-suspected-placental-adhesion
#11
Yoon Jin Cho, Yong Taek Oh, Suk Young Kim, Ju Young Kim, Sun Young Jung, Seung Joo Chon, Jeong Ho Kim, Sung Su Byun
OBJECTIVE: Prophylactic trans-catheter arterial balloon occlusion (PTABO) before cesarean section of placenta previa totalis has been introduced to prevent massive hemorrhage. The purpose of this study is to evaluate the clinical usefulness of PTABO in cases of suspected placental adhesion and to examine antepartal risk factors and perinatal outcomes in women with placental adhesion. METHODS: Between January 2012 and December 2015, 77 patients who had undergone ultrasonography for evaluation of placenta previa were enrolled in this study...
January 2017: Obstetrics & Gynecology Science
https://www.readbyqxmd.com/read/28214842/inhibition-of-methylglyoxal-induced-ages-rage-expression-contributes-to-dermal-protection-by-n-acetyl-l-cysteine
#12
Chun-Tao Yang, Fu-Hui Meng, Li Chen, Xiang Li, Lai-Jian Cen, Yu-Hua Wen, Cai-Chen Li, Hui Zhang
BACKGROUND/AIM: Accumulation of advanced glycation end products (AGEs) is a major cause of diabetes mellitus (DM) skin complications. Methylglyoxal (MGO), a reactive dicarbonyl compound, is a crucial intermediate of AGEs generation. N-acetyl-L-cysteine (NAC), an active ingredient of some medicines, can induce endogenous GSH and hydrogen sulfide generation, and set off a condensation reaction with MGO. However, there is rare evidence to show NAC can alleviate DM-induced skin injury through inhibition of AGEs generation or toxicity...
13, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/28212637/a-pectin-honey-hydrogel-prevents-postoperative-intraperitoneal-adhesions-in-a-rat-model
#13
Gessica Giusto, Cristina Vercelli, Selina Iussich, Andrea Audisio, Emanuela Morello, Rosangela Odore, Marco Gandini
BACKGROUND: Adhesions are a common postoperative surgical complication. Liquid honey has been used intraperitoneally to reduce the incidence of these adhesions. However, solid barriers are considered more effective than liquids in decreasing postoperative intra-abdominal adhesion formation; therefore, a new pectin-honey hydrogel (PHH) was produced and its effectiveness was evaluated in a rat cecal abrasion model. Standardized cecal/peritoneal abrasion was performed through laparotomy in 48 adult Sprague-Dawley rats to induce peritoneal adhesion formation...
February 17, 2017: BMC Veterinary Research
https://www.readbyqxmd.com/read/28211615/targeting-of-crosstalk-between-tumor-and-tumor-microenvironment-by-%C3%AE-d-mannuronic-acid-m2000-in-murine-breast-cancer-model
#14
Fatemeh Hosseini, Hadi Hassannia, Ahmad Mahdian-Shakib, Farhad Jadidi-Niaragh, Seyedehsan Enderami, Mohammadjavad Fattahi, Ali Anissian, Abbas Mirshafiey, Parviz Kokhaei
Metastasis is the main cause of death in breast cancer patients. Inflammatory processes following crosstalk between tumor cells and tumor microenvironment play an important role in progression and metastasis of cancer. Hence, targeting of these interactions may represent a novel promising strategy for breast cancer therapy. So, we investigated the effects of β-D mannuronic acid (BDM), a new antiinflammatory agent, on 4T1 breast cancer cell line both in vitro and in vivo. Proliferation assays revealed low-cytotoxic effect of BDM on 4T1 cells...
February 17, 2017: Cancer Medicine
https://www.readbyqxmd.com/read/28211475/biofilm-formation-of-the-black-yeast-like-fungus-exophiala-dermatitidis-and-its-susceptibility-to-antiinfective-agents
#15
Lisa Kirchhoff, Maike Olsowski, Katrin Zilmans, Silke Dittmer, Gerhard Haase, Ludwig Sedlacek, Eike Steinmann, Jan Buer, Peter-Michael Rath, Joerg Steinmann
Various fungi have the ability to colonize surfaces and to form biofilms. Fungal biofilm-associated infections are frequently refractory to targeted treatment because of resistance to antifungal drugs. One fungus that frequently colonises the respiratory tract of cystic fibrosis (CF) patients is the opportunistic black yeast-like fungus Exophiala dermatitidis. We investigated the biofilm-forming ability of E. dermatitidis and its susceptibility to various antiinfective agents and natural compounds. We tested 58 E...
February 17, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28210433/effect-of-adhesive-layers-on-microshear-bond-strength-of-nanocomposite-resin-to-dentin
#16
Nayef H Felemban, Mohamed I Ebrahim
BACKGROUND: Bond strength of adhesive layer can absorb unwanted stresses of polymerization shrinkage in composite resin restorations; increased microshear bond strength can prevent failure of restoration materials, the purpose of this study was to evaluate the effect of adhesive layers on microshear bond strength of nanocomposite resin to dentin. MATERIAL AND METHODS: Two different types of adhesive systems: universal adhesive (ExciTE) and newly developed adhesive (Nano-Bond), and one type of light-cured resin restorative material (Nanocomposite resin) were used in this study...
February 2017: Journal of Clinical and Experimental Dentistry
https://www.readbyqxmd.com/read/28210256/transcriptomic-analysis-of-the-innate-antiviral-immune-response-in-porcine-intestinal-epithelial-cells-influence-of-immunobiotic-lactobacilli
#17
Leonardo Albarracin, Hisakazu Kobayashi, Hikaru Iida, Nana Sato, Tomonori Nochi, Hisashi Aso, Susana Salva, Susana Alvarez, Haruki Kitazawa, Julio Villena
Lactobacillus rhamnosus CRL1505 and Lactobacillus plantarum CRL1506 are immunobiotic strains able to increase protection against viral intestinal infections as demonstrated in animal models and humans. To gain insight into the host-immunobiotic interaction, the transcriptomic response of porcine intestinal epithelial (PIE) cells to the challenge with viral molecular associated pattern poly(I:C) and the changes in the transcriptomic profile induced by the immunobiotics strains CRL1505 and CRL1506 were investigated in this work...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28208647/soy-leaf-extract-exerts-atheroprotective-effects-via-modulation-of-kr%C3%A3-ppel-like-factor-2-and-adhesion-molecules
#18
Jong-Min Han, Hua Li, Moon-Hee Cho, Seung-Hwa Baek, Chul-Ho Lee, Ho-Yong Park, Tae-Sook Jeong
Soy-leaf extracts exert their cardioprotective effects by inducing endothelium-dependent vasodilation in the arteries, and they favorably modulate the serum lipid profile. In this study, we investigated the atheroprotective effects of an ethanol extract of soy leaf (ESL) in human umbilical vein endothelial cells (HUVECs) and high-cholesterol diet (HCD)-fed low-density lipoprotein receptor deficient (LDLR-/-) mice. ESL induced the expression of Krüppel-like factor 2 (KLF2), an endothelial transcription factor, and endothelial nitric oxide synthase (eNOS), and suppressed the expression of vascular cell adhesion molecule-1 (VCAM-1) and intercellular adhesion molecule-1 (ICAM-1) through moderate inflammatory signal activation, not only in tumor necrosis factor-α (TNF-α)-stimulated HUVECs but also in 7-ketocholesterol (7-KC)-stimulated HUVECs...
February 10, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28208267/highly-selective-capture-surfaces-on-medical-wires-for-fishing-tumor-cells-in-whole-blood
#19
Frank D Scherag, Robert Niestroj-Pahl, Solveigh Krusekopf, Klaus Lücke, Thomas Brandstetter, Jürgen Rühe
The detection of circulating tumor cells (CTCs) in the blood of cancer patients is a challenging task. CTCs are, especially at the early stages of cancer development, extremely rare cells hidden in a vast background of regular blood cells. We describe a new strategy for the isolation of CTCs from whole blood. The key component is a medical wire coated with a multilayer assembly that allows highly specific capture of EpCAM (epithelial cell adhesion molecule) positive CTCs from blood. The assembly is generated in a layer-by-layer fashion through photochemically induced C,H insertion reactions and consists of a protective layer, which shields the contacting solution from the metal, a protein resistant layer, which prevents nonspecific interactions with proteins and a layer containing the EpCAM antibodies...
February 7, 2017: Analytical Chemistry
https://www.readbyqxmd.com/read/28207849/inhibition-of-peritoneal-dissemination-of-colon-cancer-by-hyperthermic-co2-insufflation-a-novel-approach-to-prevent-intraperitoneal-tumor-spread
#20
Yuanfei Peng, Hua Yang, Qing Ye, Houming Zhou, Minhua Zheng, Yinghong Shi
BACKGROUND: The increasing use of laparoscopic surgery for advanced gastrointestinal cancer raises concerns about intra-peritoneal tumor spread. Prevention of peritoneal dissemination is extremely important but a preventive modality is lacking. The aim of this study was to examine a novel approach (hyperthermic CO2 insufflation, HT-CO2) for preventing peritoneal dissemination during laparoscopic surgery. METHODS: A peritoneal dissemination model was established in Balb/c nu/nu mice by intraperitoneal injection of human colon cancer cells (SW1116, 1×106)...
2017: PloS One
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