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Non-healing wounds treatments

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
Edwin Tapiwa Chamanga
Chronic wounds are defined as those that have failed to heal after three months. There are various intrinsic and extrinsic factors that may result in the development of chronic wounds, including comorbidities such as diabetes mellitus and venous insufficiency, and lifestyle factors such as obesity, alcohol consumption and smoking. Chronic wounds represent a significant burden on healthcare resources and can have a negative effect on patients' quality of life. This article discusses the assessment and treatment of non-healing chronic wounds...
March 14, 2018: Nursing Standard
Libin Zhang, Liang Bu, Jiang Hu, Zheyuan Xu, Libo Ruan, Yan Fang, Ping Wang
Non-small cell lung cancer (NSCLC) is a common malignant tumor. Although the abnormal expression and potential clinical prognostic value of histone deacetylase 1 (HDAC1) were recently discovered in many kinds of cancer, the roles and molecular mechanisms of HDAC1 in NSCLC is still limited. The CCK-8 assay is used to evaluate the viability of NSCLC cells. Downregulation of HDAC1 by shRNA. The TUNEL assay was used to evaluate the role of HDAC1 in NSCLC apoptosis. To evaluate the role of HDAC1 in NSCLC cells migration, the Boyden chamber transwell assay and wound healing assay were used...
March 12, 2018: Biological Chemistry
Bunpei Katayama, Toshiyuki Ozawa, Kuniyuki Morimoto, Kunio Awazu, Nobuhisa Ito, Norihiro Honda, Naoki Oiso, Daisuke Tsuruta
BACKGROUND: Pseudomonas aeruginosa (PA) frequently develops antibiotic-resistant characteristics, which is clinically problematic. The main reason behind the rise of antibiotic-resistant PA is the extensive use of antibiotics. Therefore, a novel technique is needed to treat PA infections. Photodynamic therapy (PDT) is thought to have the potential to be a non-antibiotic treatment for infections. 5-Aminolevulinic acid (ALA), which works as a photosensitizer after being metabolized into protoporphyrin IX (PpIX) in the heme synthetic pathway, is used for PDT...
March 5, 2018: Journal of Dermatological Science
Fu-Shu Jin, Hong-Mei Wang, Xiao-Yan Song
Long non-coding RNA (lnc)TCF7 has been reported to promote the self‑renewal of human cancer stem cells, and enhance the aggressiveness of human non‑small cell lung cancer and hepatocellular carcinoma cells. However, the effect of lncTCF7 on colorectal cancer (CRC) tumorigenesis and progression is currently unclear. In the present study, reverse transcription‑quantitative polymerase chain reaction results demonstrated that lncTCF7 expression was higher in CRC tissues compared with adjacent normal tissues and was significantly associated with tumor size, differentiation degree, tumor‑node‑metastasis grade, lymph node metastasis and invasion depth...
March 9, 2018: Molecular Medicine Reports
Shota Hodono, Akihiro Shimokawa, Neil J Stewart, Yukiko Yamauchi, Renya Nishimori, Mami Yamane, Hirohiko Imai, Hideaki Fujiwara, Atsuomi Kimura
PURPOSE: High Mobility Group Box1 (HMGB1), which is one of the damage-associated molecular pattern molecules relating to various inflammatory diseases, has gained interest as a therapeutic target because of its involvement in wound healing processes. In the present study, we investigated HMGB1 as a potential therapeutic target in a model of lung fibrosis using a preclinical hyperpolarized129 Xe (HPXe) MRI system. METHODS: Lung injury was induced by intra-peritoneal injection of bleomycin (BLM) in 19 mice...
March 9, 2018: Magnetic Resonance in Medical Sciences: MRMS
Emiri Hotta, Hirokazu Hara, Tetsuro Kamiya, Tetsuo Adachi
Non-thermal atmospheric pressure plasma (NTAPP) has recently emerged as a novel medical therapy for skin wounds. Interleukin-8 (IL-8) is thought to play a critical role in wound healing. NTAPP irradiation has been reported to promote production of IL-8; however, the mechanism is not fully understood. The aim of this study was to elucidate the underlying mechanism of NTAPP-induced IL-8 expression in human keratinocyte HaCaT cells. NTAPP irradiation of HaCaT cells increased IL-8 mRNA expression in an irradiation time-dependent manner...
March 5, 2018: Archives of Biochemistry and Biophysics
Paulo Henrique Muleta Andrade, Luciane Canderolo Portugal, Eric Schmidt Rondon, Monica Cristina Toffoli Kadri, Maria de Fátima Cepa Matos
PURPOSE: To analyzed the healing effect of the powdered shell of the Megalobulimus lopesi snail on wounds of diabetic rats, since in non-diabetic rats the powdered shell presented healing potential. METHODS: Seventy-two Wistar rats (Rattus norvegicus albinus) were divided into three groups: Control group (GC.diab), no therapeutic intervention on the wound; Vehicle's Control group, topical via, in diabetic rats (GCvt.diab): Powder Shell Group (PC) applied topically (GPCvt...
February 2018: Acta Cirúrgica Brasileira
Stefan Walzer, Daniel Dröschel, Lutz Vollmer, Leanne Atkin, Karen Ousey
OBJECTIVE: Venous leg ulcers (VLUs) cause significant pain and suffering for patients. Additionally, they place considerable financial and service burden on the National Health Service (NHS). A large proportion of VLUs do not heal within the standard time frame of 16-24 weeks, resulting in static wounds which commonly have issues with increasing exudate production. As the NHS continues to face times of austerity, services need to find solutions to be able to reduce costs and release nursing time while maintaining standards of care...
March 2, 2018: Journal of Wound Care
Xianghong Lou, Haijun Zhu, Hang Xue, Yuxiong Weng, Jianghai Chen
BACKROUND: Fingertip injuries are common in both adults and children. Many operative and non-operative management techniques have been reported to restore the function and cosmetic shape of fingertips after injuries. Although these methods may be used for different indications in clinical settings, few of them can treat all kinds of fingertip injuries. In addition, there is controversy as to whether the surgical approach or the conservative approach is the optimal management for fingertip injuries...
March 5, 2018: Handchirurgie, Mikrochirurgie, Plastische Chirurgie
Xue Qu, Huan Liu, Chuchu Zhang, Yu Lei, Miao Lei, Miao Xu, Dawei Jin, Peng Li, Meng Yin, Gregory F Payne, Changsheng Liu
Electrical signals can be imposed with exquisite spatiotemporal control and provide exciting opportunities to create structure and confer function. Here, we report the use of electrical signals to program the fabrication of a chloramine wound dressing with high antimicrobial activity. This method involves two electrofabrication steps: (i) a cathodic electrodeposition of an aminopolysaccharide chitosan triggered by a localized region of high pH; and (ii) an anodic chlorination of the deposited film in the presence of chloride...
March 2, 2018: Acta Biomaterialia
Nathan Cho, Shadi E Razipour, Megan L McCain
Cardiac fibroblasts and their activated derivatives, myofibroblasts, play a critical role in wound healing after myocardial injury and often contribute to long-term pathological outcomes, such as excessive fibrosis. Thus, defining the microenvironmental factors that regulate the phenotype of cardiac fibroblasts and myofibroblasts could lead to new therapeutic strategies. Both chemical and biomechanical cues have previously been shown to induce myofibroblast differentiation in many organs and species. For example, transforming growth factor beta 1, a cytokine secreted by neutrophils, and rigid extracellular matrix environments have both been shown to promote differentiation...
January 1, 2018: Experimental Biology and Medicine
Mangesh Morey, Abhay Pandit
Non-communicable diseases including cancer, cardiovascular disease, diabetes, and neuropathy are chronic in nature. Treatment of these diseases with traditional delivery systems is limited due to lack of site-specificity, non-spatiotemporal release and insufficient doses. Numerous responsive delivery systems which respond to both physiological and external stimuli have been reported in the literature. However, effective strategies incorporating a multifactorial approach are required to control these complex wounds...
March 1, 2018: Advanced Drug Delivery Reviews
Dominika Czaplinska, Monika Górska, Kamil Mieczkowski, Grazyna Peszynska-Sularz, Anna J Zaczek, Hanna M Romanska, Rafal Sadej
INTRODUCTION: Triple-negative breast cancer (TNBC), representing over 15% of all breast cancers, has a poorer prognosis than other subtypes. There is no effective targeted treatment available for the TNBC sufferers. Ribosomal S6 kinases (RSKs) have been previously proposed as drug targets for TNBC based on observations that 85% of these tumors express activated RSKs. MATERIALS AND METHODS: Herein we examined an involvement of RSK1 (p90 ribosomal S6 kinase 1) in a regulation of TNBC growth and metastatic spread in an animal model, which closely imitates human disease...
March 2, 2018: Folia Histochemica et Cytobiologica
Anna Klimaszewska-Wiśniewska, Marta Hałas-Wiśniewska, Alina Grzanka, Dariusz Grzanka
The identification and development of new agents with a therapeutic potential as well as novel drug combinations are gaining the attention of scientists and clinicians as a plausible approach to improve therapeutic regimens for chemoresistant tumors. We have recently reported that the flavonoid fisetin (FIS), at physiologically attainable concentrations, acts synergistically with clinically achievable doses of paclitaxel (PTX) to produce growth inhibitory and pro-death effects on A549 human non-small cell lung cancer (NSCLC) cells...
February 27, 2018: International Journal of Molecular Sciences
Wenhao Guo, Kunhong Zhong, Heng Wei, Chunlai Nie, Zhu Yuan
Accumulating evidence has demonstrated that long non-coding RNAs (lncRNAs) play a critical role in the development of human cancers including pancreatic cancer. Long non-coding RNA SPRY4-IT1 (sprouty4-intron transcript 1) has been reported to play an oncogenic role in various types of human carcinomas. However, the role of SPRY4-IT1 in pancreatic cancer is unclear. The objective of this study was to determine the function of SPRY4-IT1 on proliferation and invasion in pancreatic cancer. In the current study, we dissected the function and mechanism of SPRY4-IT1 by multiple approaches including Real-time RT-PCR, Western blotting analysis, MTT assay, Wound healing assay, Transwell assay, and transfection...
2018: PloS One
D Boccara, K Serror, M Mimoun, M Chaouat
INTRODUCTION: Cicatricial complications after abdominal or pelvic surgery are more frequent in obese patients. In this case, infection, seroma and delays in scarring can be extremely difficult to treat. The objective of this technical note is to present an original case of an obese patient operated nine years ago of a hysterectomy by laparotomy and chronically presenting a non-resolving septic seroma despite multiple surgical procedures whose healing could be obtained by a flap of greater omentum...
February 24, 2018: Annales de Chirurgie Plastique et Esthétique
E Scott Sills, Natalie S Rickers, Xiang Li, Gianpiero D Palermo
Platelets modulate clinically relevant yet incompletely understood tissue regeneration processes, and platelet rich plasma (PRP) has been previously used with some success in various non-reproductive medical contexts. Here, we extended PRP application to ovarian tissue with a view to document impact on ovarian reserve among women attending for infertility treatment. PRP was freshly isolated from patients (n= 4) with diminished ovarian reserve as determined by at least one prior IVF cycle canceled for poor follicular recruitment response or estimated by serum AMH and/or FSH, no menses for ≥1 year...
February 28, 2018: Gynecological Endocrinology
Li Cong, Yong Zhang, He Huang, Jianguo Cao, Xiaohua Fu
7-Difluoromethoxy-5,4'-dimethoxy-genistein (DFMG) is a novel chemical compound synthesized using genistein. Previous studies have indicated that DFMG can reverse the apoptosis of vascular endothelial cells (VECs) by regulating the mitochondrial apoptosis pathway. The present study aimed to investigate the activity and molecular mechanism underlying DFMG‑mediated protection of vascular smooth muscle cell (VSMCs) using a non‑contact co‑culture model established by using Transwell insert. Secretion of interleukin‑6 (IL‑6) and tumor necrosis factor‑α (TNF‑α) were measured by ELISA...
February 26, 2018: Molecular Medicine Reports
Yahua Chen, Jun Liu, Wei Wang, Li Xiang, Jide Wang, Side Liu, Hongyan Zhou, Zheng Guo
Advanced gastric cancer (GC) has a poor prognosis and its treatment strategies are not very efficient. Heterogeneous nuclear ribonucleoprotein A1 (hnRNPA1) has emerged as a plausible GC marker, however the role and molecular mechanism of hnRNPA1 in cell invasion and migration remains unknown. In the present study, the gene expression across normal and tumor tissue (GENT) database was used to evaluate the mRNA expression of hnRNPA1 in various types of cancer. Western blot analysis (WB) and immunohistochemistry (IHC) were performed to detect the protein expression of hnRNPA1 in GC tissues and adjacent non‑tumor tissues...
February 16, 2018: Oncology Reports
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