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wounds healing

Keisuke Handa, Syouta Abe, V Venkata Suresh, Yoshiyasu Fujieda, Masaki Ishikawa, Ai Orimoto, Yoko Kobayashi, Satoru Yamada, Satoko Yamaba, Shinya Murakami, Masahiro Saito
OBJECTIVE: Marfan syndrome (MFS) is a systemic connective tissue disorder caused by insufficient fibrillin-1 (FBN-1), a major component of microfibrils that controls the elasticity and integrity of connective tissues. FBN-1 insufficiency in MFS leads to structural weakness, which causes various tissue disorders, including cardiovascular and periodontal disease. However, the role of FBN-1 insufficiency in the destruction and regeneration of connective tissue has not yet been clarified...
March 6, 2018: Archives of Oral Biology
Lily Wei Chen, Chien-Jung Huang, Wen-Hui Tu, Chia-Ju Lu, Yi-Chen Sun, Szu-Yuan Lin, Wei-Li Chen
PURPOSE: To evaluate whether lyophilized human platelet lysate (HPL) powder can preserve the growth factor concentrations and epitheliotrophic properties of liquid HPL, and potentially be used as a clinically-friendly treatment option. METHODS: Two commercialized liquid HPLs, UltraGRO TM (Helios, Atlanta, GA) and PLTMax (Mill Creek, Rochester, MI), were obtained and converted to lyophilized powder. After redissolution, lyophilized powder HPLs were compared with liquid HPLs, as well as human peripheral serum (HPS) and fetal bovine serum (FBS) in liquid or redissolved lyophilized powder forms...
2018: PloS One
Li Li, Mingxia Wu, Chengqiang Wang, Zanyang Yu, Hongmei Wang, Hongyi Qi, Xiaoyu Xu
β-asarone, the main component in the volatile oil of Acori tatarinowii Rhizoma, has been found to possess antitumor activity. However, its effect and mechanisms against tumor invasion and epithelial-mesenchymal transition (EMT) are still unclear. In this study, no or less cytotoxicity was caused by β-asarone within 0-120 μM in human glioma U251 cells for 48 h. β-asarone (30 and 60 μM) inhibited the migration of U251 cells in the wound healing assay, suppressed the invasion of U251 cells in the Boyden chamber invasion assay, and inhibited the adhesion of U251 cells onto the Matrigel...
March 16, 2018: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
Carla D McArdle, Katie M Lagan, David A McDowell
BACKGROUND: This study investigated the resistance of bacteria isolated from diabetic foot ulcers (DFUs) to antibiotics frequently used in the management of the diabetic foot infections, at a range of pH values (pH 6.5, 7.5, and 8.5) known to exist in DFU wound fluid. This study aimed to determine whether changes (or atypical stasis) in wound fluid pH modulate the antibiotic resistance of DFU isolates, with potential implications in relation to the suppression/eradication of bacterial infections in DFUs...
January 2018: Journal of the American Podiatric Medical Association
Haseeb Khaliq, Zhong Juming, Peng Ke-Mei
Boron is an essential mineral that plays an important role in several biological processes. Boron is required for growth of plants, animals, and humans. There are increasing evidences of this nutrient showing a variety of pleiotropic effects, ranging from anti-inflammatory and antioxidant effects to the modulation of different body systems. In the past few years, the trials showed disease-related polymorphisms of boron in different species, which has drawn attention of scientists to the significance of boron to health...
March 15, 2018: Biological Trace Element Research
Paul M Gittings, Dana A Hince, Benedict M Wand, Fiona M Wood, Dale W Edgar
External stabilization is reported to improve reliability of hand held dynamometry, yet this has not been tested in burns. We aimed to assess the reliability of dynamometry using an external system of stabilization in people with moderate burn injury and explore construct validity of strength assessment using dynamometry.Participants were assessed on muscle and grip strength three times on each side. Assessment occurred three times per week for up to four weeks. Within session reliability was assessed using intraclass correlations calculated for within session data grouped prior to surgery, immediately after surgery and in the sub-acute phase of injury...
March 13, 2018: Journal of Burn Care & Research: Official Publication of the American Burn Association
Christopher J Rendina
Purpose: To present a case that benefited from utilizing hyperbaric oxygen therapy in conjunction with antibiotics for a non-healing mandibular fracture that was highly suspicious of osteomyelitis. Also, to discuss research set forth by Undersea and Hyperbaric Medical Society that supports the use hyperbaric oxygen in such cases. Case: A 25-year-old male status post fist to face resulting in bilateral mandibular fracture. He underwent two surgeries in an attempt to plate the fracture with the assistance of a bone graft...
March 13, 2018: Military Medicine
Rafael García Carretero, Maria Garrido-Ollero, Ana Martinez-Alvarez, Ana Cadenas-Vara
Chronic leg ulcers can have a major impact on the quality of life of patients. These wounds can be complex and hard to heal, as several factors may affect the outcome. Underlying conditions, bacterial growth and excess moisture may prevent wounds from healing. We describe the case of a patient with known chronic venous disease, who was admitted to our hospital for several complex, irregular and infected chronic venous ulcers in his lower legs. The management was frustrating for several months, until we began to use methacrylate powder dressing for his hard-to-heal wounds...
March 15, 2018: BMJ Case Reports
Jing Li, Xiao Liang, Jun Zhang, Yunzhi Yin, Tiantian Zuo, Yiyue Wang, Xiaoming Yang, Qi Shen
In this study, heparin and polyethyleneimine-folic acid modified graphene oxide was designed and synthesized as a dual-targeting biomaterial to load doxorubicin (DOX@GPFH) with high loading capacity for enhanced cellular uptake. GDC0941, a phosphatidylinositide 3-kinase/Akt phosphorylation inhibitor, was selected to enhance anti-metastasis effect of DOX@GPFH via down-regulating expression of matrix metalloproteinase. Modified with heparin, the stability of DOX@GPFH was significantly enhanced and the drug loading ratio increased largely from 64...
March 12, 2018: Nanomedicine: Nanotechnology, Biology, and Medicine
Jie Gao, Gang Zhao, Wei Li, Jiayuan Zhang, Yanling Che, Meiyu Song, Shan Gao, Bin Zeng, Yuanhong Wang
Endothelial progenitor cells (EPCs) are involved in diabetes-associated complications, including diabetic foot ulcer (DFU). Recent reports showed that miR-155 downregulation promotes wound healing in diabetic rats and ameliorates endothelial injury induced by high glucose, but its role in DFU is unknown. We found that miR-155 was overexpressed in EPCs from patients with DFU and in high glucose-induced EPCs from healthy people. Reductions in cell viability, migration, tube formation and nitric oxide production, as well as increases in lactated hydrogenase, cell apoptosis, and reactive oxygen species induced by high glucose, were enhanced by miR-155 overexpression and restrained by miR-155 inhibition...
March 12, 2018: Experimental Cell Research
Scott S Short, Brian T Bucher, Douglas C Barnhart, Nadia Van Der Watt, Sarah Zobell, Ashley Allen, Michael D Rollins
PURPOSE: We sought to examine the short-term outcomes following single-stage repair of rectoperineal and rectovestibular fistulae in infants and identify risk factors for wound complication. METHODS: Patients with a rectoperineal or rectovestibular fistula treated with a single-stage repair beyond the neonatal period (>30days of age) at a pediatric colorectal center (2011-2016) were reviewed. RESULTS: 36 patients with a rectoperineal and 7 patients with a rectovestibular fistula were repaired using the Posterior Sagittal Anorectoplasty (PSARP) approach...
February 12, 2018: Journal of Pediatric Surgery
Wei Qian, Xiaodong Hu, Weifeng He, Rixing Zhan, Menglong Liu, Daijun Zhou, Yong Huang, Xiaohong Hu, Zhanhua Wang, Guoxia Fei, Jun Wu, Malcolm Xing, Hesheng Xia, Gaoxing Luo
Toward fabricating a novel multifunctional wound dressing material, we incorporated a series of contents of reduced graphene oxide (rGO) sheets into polydimethylsiloxane (PDMS) matrix to prepare the rGO-PDMS composite membrane and be used for wound dressing. The pore structure, dispersion of rGO, physical properties, water vapor transmission rate (WVTR), cytotoxicity and antibacterial activity were studied. Finally, the effect of the rGO-PDMS composite membrane on wound healing was investigated on a murine full-thickness skin wound model...
March 12, 2018: Colloids and Surfaces. B, Biointerfaces
Irene H Ludwig, Robert S Reiffel, Frederick M Wang
No abstract text is available yet for this article.
March 1, 2018: Journal of Pediatric Ophthalmology and Strabismus
Jianwen Long, Qiqige Menggen, Qimige Wuren, Quan Shi, Xianming Pi
BACKGROUND Malignant melanoma is a class of malignant tumors derived from melanocytes. lncRNAs have been considered as pro-/anti-tumor factors in progression of cancers. The function of lncRNA TUG1 on growth of melanoma was investigated in this study. MATERIAL AND METHODS The TUG1 and miR-129-5p expression were examined via qRT-PCR. The protein expression was investigated by Western blotting assay. Luciferase reporter assay was used to assess if lncRNA TUG1 can bind to miR-129-5p and if miR-129-5p can target AEG1 mRNA...
March 15, 2018: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
Xiumei Che, Ki Cheong Park, Soo Jung Park, You Hyun Kang, Hyun A Jin, Joo Wan Kim, Dong Hyuk Seo, Dae Kyu Kim, Tae Il Kim, Won Ho Kim, Seung Won Kim, Jae Hee Cheon
Triggering receptor expressed on myeloid cells 1 (TREM-1)-expressing intestinal macrophages are significantly increased in the colons of patients with inflammatory bowel disease (IBD). We focused here on the effects of guggulsterone on macrophage modulation in colitis as a potential therapeutic molecule in human IBD and explore the underlying mechanisms. Gene expression in macrophages was examined and wound healing assay using HT-29 cells was performed. Colitis in wild type and IL-10-, TLR4-, and MyD88-deficient mice was induced via the administration of 2,4,6-trinitrobenzene sulfonic acid (TNBS) into the colon...
March 15, 2018: American Journal of Physiology. Gastrointestinal and Liver Physiology
Xiaoye Yang, Xiaoqun Shi, Jianbo Ji, Guangxi Zhai
The development of imaging-guided smart drug delivery systems for combinational photodynamic/chemotherapy of the tumor has become highly demanded in oncology. Herein, redox-responsive theranostic polymeric nanoparticles (NPs) were fabricated innovatively using low molecular weight heparin (LWMH) as the backbone. Chlorin e6 (Ce6) and alpha-tocopherol succinate (TOS) were conjugated to LMWH via cystamine as the redox-sensitive linker, forming amphiphilic Ce6-LMWH-TOS (CHT) polymer, which could self-assemble into NPs in water and encapsulate paclitaxel (PTX) inside the inner core (PTX/CHT NPs)...
November 2018: Drug Delivery
Yao Wang, Haitao Xu, Lihui Si, Qiuju Li, Xiujie Zhu, Tong Yu, Xiaokun Gang
BACKGROUND: Our study was aimed at detecting the expression levels of miR-206 in prostate cancer (PCa) tissues and PCa cell lines, and exploring the potential functions of miR-206 by targeting chemokine ligand 11 (CXCL11). METHODS: RT-qPCR was applied to detect the expressions of miR-206 and CXCL11 in PCa tissues and in PCa cell lines. Expression of the CXCL11 protein was detected using Western blot. After manipulating the expression of miR-206 and CXCL11 in PC-3 and DU-145 cells, the changes of cell proliferation and cell cycle were observed through cell counting kit-8 (CCK-8) and flow cytometry...
March 14, 2018: Prostate
Azeem Ullah, Yuxiang Zhang, Zafar Iqbal, Yaxin Zhang, Dong Wang, Jincan Chen, Ping Hu, Zhuo Chen, Mingdong Huang
Photodynamic antimicrobial chemotherapy (PACT) is considered a promising alternative to conventional antibiotic approach. We have previously developed a novel PS containing five lysine amino acids, pentalysine-β-carbonylphthalocyanine Zinc (ZnPc(Lys)5 ), which in the presence of light, is highly toxic against a range of bacterial strains, including hospital isolated, drug resistant Acinetobacter baumannii. Here, we study the effect of light fluence of the two light sources on the PACT potency of ZnPc(Lys)5 ...
March 1, 2018: Biomedical Optics Express
Xuanliang Pan, Guoxian Chen, Pan Wu, Chunmao Han, Jon Kee Ho
Skin perfusion pressure (SPP) is the blood pressure that is the requisite for the restoration of microcirculatory or capillary flow following controlled occlusion and subsequent flow return. The purpose of the current review was to evaluate the value of SPP for the prediction of wound healing in patients with limb ischemia. Articles published up to January 31, 2017 were searched in the PubMed database and Chinese database CNKI, using the keywords of 'skin perfusion pressure', 'limb ischemia' and 'wound healing'...
April 2018: Biomedical Reports
Deyuan Zhu, Wenxi Gao, Zhongmin Zhang
In the present study, the aim was to investigate the role of microRNA-1180 (miR-1180) in the growth and apoptosis of prostate cancer, as well as to identify its direct targets. Initially, reverse transcription-quantitative polymerase chain reaction (RT-qPCR) was performed to examine the expression of miR-1180 in the prostate cancer tissues and adjacent normal prostate tissues of 30 patients, as well as in DU145 and RWPE-1 cells. Next, DU145 cells were transfected with miR-1180 mimics, and the expression levels of associated proteins were determined by western blot assay...
April 2018: Oncology Letters
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