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Non-healing wounds treatments

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https://www.readbyqxmd.com/read/28211211/circulating-fibrocyte-mobilization-in-negative-pressure-wound-therapy
#1
Dezhi Chen, Yong Zhao, Zonghuan Li, Kangquan Shou, Xun Zheng, Pengcheng Li, Baiwen Qi, Aixi Yu
Non-healing diabetic wounds are difficult to treat. They also create heavy financial burdens for both patients and society. Negative pressure wound therapy (NPWT) has been adopted to treat intractable wounds and has proved to be effective. However, the mechanisms that underlie the effects of this treatment are not entirely understood. Circulating fibrocytes are unique haematopoietic-derived stem cells that have been reported to play a pivotal role in wound healing. Here, we have investigated the effect of NPWT on fibrocyte mobilization and the role of fibrocyte mobilization in the healing of diabetic wounds during NPWT...
February 17, 2017: Journal of Cellular and Molecular Medicine
https://www.readbyqxmd.com/read/28207886/connective-tissue-growth-factor-is-not-necessary-for-haze-formation-in-excimer-laser-wounded-mouse-corneas
#2
Xiaodi Feng, Liya Pi, Sriniwas Sriram, Gregory S Schultz, Daniel J Gibson
We sought to determine if connective tissue growth factor (CTGF) is necessary for the formation of corneal haze after corneal injury. Mice with post-natal, tamoxifen-induced, knockout of CTGF were subjected to excimer laser phototherapeutic keratectomy (PTK) and the corneas were allowed to heal. The extent of scaring was observed in non-induced mice, heterozygotes, and full homozygous knockout mice and quantified by macrophotography. The eyes from these mice were collected after euthanization for re-genotyping to control for possible Cre-mosaicism...
2017: PloS One
https://www.readbyqxmd.com/read/28197637/inhibition-of-fasn-suppresses-migration-invasion-and-growth-in-hepatoma-carcinoma-cells-by-deregulating-the-hif-1%C3%AE-igfbp1-pathway
#3
Jiaojiao Gong, Shasha Shen, Yixuan Yang, Si Qin, Lifan Huang, Hongmin Zhang, Ling Chen, Yaqin Chen, Shiying Li, Sha She, Min Yang, Hong Ren, Huaidong Hu
Hepatocellular carcinoma is the second most common cause of cancer-related deaths worldwide. Due to a high propensity to metastasize, active angiogenesis and rapid proliferation, recurrence and poor prognosis are major obstacles for treatment and cure of this disease. However, the detailed mechanisms of how fatty acid synthase (FASN) promotes migration, invasion and healing in tumor cells remain unclear. In the present study, the previous results that FASN was expressed higher in cancer samples than in non-cancerous samples, and influenced migration, invasion of hepatoma carcinoma cells, were verified by immunohistochemistry, tissue microarrays, Transwell assay and wound healing assay...
February 2, 2017: International Journal of Oncology
https://www.readbyqxmd.com/read/28182533/the-reality-of-routine-practice-a-pooled-data-analysis-on-chronic-wounds-treated-with-tlc-nosf-wound-dressings
#4
K C Münter, S Meaume, M Augustin, P Senet, J C Kérihuel
OBJECTIVE: A number of randomised controlled trials (RCT) have compared control groups with TLC-NOSF dressings (UrgoStart) on chronic wounds. Our aim was to determine whether the clinical trials' results translate into routine management of such wounds, by pooling the data from real-life observational studies. METHOD: Observational studies, conducted in France and Germany, evaluating current practices in patients suffering from non-selected chronic wounds treated with a TLC-NOSF dressing were identified...
February 2017: Journal of Wound Care
https://www.readbyqxmd.com/read/28182532/healing-of-an-arterial-leg-ulcer-by-compression-bandaging-a-case-report
#5
C Sanchez, H Partsch
This case report demonstrates that arterial ulcers may heal with compression therapy. The patient was a 72-year-old woman with elevated blood pressure and type II diabetes mellitus, who underwent angiography because of a painful, non-healing ulcer over the shin. The angiography showed multisegment arterial occlusive disease, not amenable to surgical revascularisation. After 4 months of wearing inelastic bandages, with increased pressure over the ulcer area and hypertension and diabetes under control, the patient was pain-free and the ulcer had healed...
February 2017: Journal of Wound Care
https://www.readbyqxmd.com/read/28181795/water-responsive-shape-recovery-induced-buckling-in-biodegradable-photo-cross-linked-poly-ethylene-glycol-peg-hydrogel
#6
Abhijit Vijay Salvekar, Wei Min Huang, Rui Xiao, Yee Shan Wong, Subbu S Venkatraman, Kiang Hiong Tay, Ze Xiang Shen
The phenomenon of recovering the permanent shape from a severely deformed temporary shape, but only in the presence of the right stimulus, is known as the shape memory effect (SME). Materials with such an interesting effect are known as shape memory materials (SMMs). Typical stimuli to trigger shape recovery include temperature (heating or cooling), chemical (including water/moisture and pH value), and light. As a SMM is able not only to maintain the temporary shape but also to respond to the right stimulus when it is applied, via shape-shifting, a seamless integration of sensing and actuation functions is achieved within one single piece of material...
February 9, 2017: Accounts of Chemical Research
https://www.readbyqxmd.com/read/28169915/vaginal-estrogen-a-dual-edged-sword-in-postoperative-healing-of-the-vaginal-wall
#7
Christopher M Ripperda, Pedro Antonio Maldonado, Jesus F Acevedo, Patrick W Keller, Yucel Akgul, John M Shelton, Ruth Ann Word
OBJECTIVE: Reconstructive surgery for pelvic organ prolapse is plagued with high failure rates possibly due to impaired healing or regeneration of the vaginal wall. Here, we tested the hypothesis that postoperative administration of local estrogen, direct injection of mesenchymal stem cells (MSCs), or both lead to improved wound healing of the injured vagina in a menopausal rat model. METHODS: Ovariectomized rats underwent surgical injury to the posterior vaginal wall and were randomized to treatment with placebo (n = 41), estrogen cream (n = 47), direct injection of MSCs (n = 39), or both (n = 43)...
February 6, 2017: Menopause: the Journal of the North American Menopause Society
https://www.readbyqxmd.com/read/28163379/medical-applications-of-non-thermal-atmospheric-pressure-plasma
#8
REVIEW
Hiromasa Tanaka, Masaru Hori
An innovative approach for producing reactive oxygen and nitrogen species is the use of non-thermal atmospheric pressure plasma. The technique has been applied in a wide variety of fields ranging from the micro-fabrication of electric devices to the treatment of disease. Although non-thermal atmospheric pressure plasmas have been shown to be clinically beneficial for wound healing, blood coagulation, and cancer treatment, the underlying molecular mechanisms are poorly understood. In this review, we describe the current progress in plasma medicine, with a particular emphasis on plasma-activated medium (PAM), which is a solution that is irradiated with a plasma and has broadened the applications of plasmas in medicine...
January 2017: Journal of Clinical Biochemistry and Nutrition
https://www.readbyqxmd.com/read/28163229/photosensitizer-eluting-nanofibers-for-enhanced-photodynamic-therapy-of-wounds-a-preclinical-study-in-immunocompromized-rats
#9
Labiba El-Khordagui, Nesma El-Sayed, Sally Galal, Hanan El-Gowelli, Hoda Omar, Moustafa Mohamed
Electrospun nanofibers (NFs) as drug delivery/tissue regeneration template and antimicrobial photodynamic therapy (APDT) have been widely investigated as two different approaches to enhance wound healing. In the present study, the two approaches were combined in a single platform for greater healing enhancement potentials. Composite photosensitizer-eluting NFs were developed using a polyhydrohybutyrate/polyethylene glycol (60:40 PHB/PEG) polymer blend and methylene blue (MB) as antimicrobial photosensitizer (PS)...
February 3, 2017: International Journal of Pharmaceutics
https://www.readbyqxmd.com/read/28158983/cd73-nt5e-is-a-target-of-mir-30a-5p-and-plays-an-important-role-in-the-pathogenesis-of-non-small-cell-lung-cancer
#10
Jianjie Zhu, Yuanyuan Zeng, Wei Li, Hualong Qin, Zhe Lei, Dan Shen, Dongmei Gu, Jian-An Huang, Zeyi Liu
BACKGROUND: CD73 (ecto-5'-nucleotidase) is implicated in the development of many types of cancer. CD73 inhibitors are currently being tested in clinical trials for the treatment of cancer. Understanding the molecular and cellular actions of CD73 inhibitors is the key to improving this line of therapy. METHODS: Quantitative real-time PCR (qRT-PCR) was used to detect the expression of CD73 and miR-30a-5p; Western blot and immunohistochemical assays were used to investigate the levels of CD73 and other proteins...
February 3, 2017: Molecular Cancer
https://www.readbyqxmd.com/read/28149742/endoscopic-calcaneoplasty-and-achilles-tendoscopy-with-the-patient-in-supine-position
#11
Tun Hing Lui
Insertional and non-insertional Achilles tendinopathy is usually treated conservatively. Surgery is indicated if conservative treatment fails to relieve the pain. Endoscopic surgery has the advantages of less morbidity, a shorter operating time, reduced postoperative pain, and a lower rate of wound and soft-tissue healing problems. Patients will have a short recovery time and quickly resume work and sports because of less soft-tissue disruption. Moreover, the pathology can be better differentiated and precisely treated...
December 2016: Arthroscopy Techniques
https://www.readbyqxmd.com/read/28123866/-64-cucl2-pet-ct-imaging-of-mouse-muscular-injury-induced-by-electroporation
#12
Fang Xie, Huawei Cai, Fangyu Peng
Skeletal muscle injury is common in body injuries suffered in sports and car accidents. Development of new tracers is significant for assessing muscular injury with positron emission tomography/computed tomography (PET/CT) and monitoring repair of muscle injury in response to treatment. Copper is required for wound healing and increased copper ions were detected in the soft tissue of wound in rodents and human. Based on the recent finding of increased (64)Cu uptake in the traumatic brain injury, this study aimed to explore use of (64)CuCl2 as a radiotracer for molecular imaging of muscular injury using PET/CT...
2017: American Journal of Nuclear Medicine and Molecular Imaging
https://www.readbyqxmd.com/read/28121033/importance-of-biofilm-formation-in-surgical-infection
#13
REVIEW
S L Percival
BACKGROUND: Biofilms are ubiquitous, and have been observed in both acute and chronic wounds. Their role in wound healing and infection, however, remains controversial. The aim of this review was to provide an overview of the role and relevance of biofilms to surgical wounds. METHODS: A search of PubMed, Science Direct and Web of Science databases was performed to identify studies related to biofilms. Specifically, studies were sought in acute and chronic wounds, and the management and treatment of non-healing and infected skin and wounds...
January 2017: British Journal of Surgery
https://www.readbyqxmd.com/read/28120556/comparative-effects-of-non-thermal-atmospheric-pressure-plasma-on-migration-and-invasion-in-oral-squamous-cell-cancer-by-gas-type
#14
Sung Un Kang, Seong Jin Seo, Yeon Soo Kim, Yoo Seob Shin, Yoon Woo Koh, Chang Min Lee, Sang Sik Yang, Jong Soo Lee, Eunpyo Moon, Hami Kang, Jeong Beom Ryeo, Yuijina Lee, Chul Ho Kim
PURPOSE: The fourth state of matter, plasma is known as an ionized gas with electrons, radicals and ions. The use of non-thermal plasma (NTP) in cancer research became possible because of the progresses in plasma medicine. Previous studies on the potential NTP-mediated cancer therapy have mainly concentrated on cancer cell apoptosis. In the present study, we compared the inhibitory effect of NTP on cell migration and invasion in the oral squamous cancer cell lines. MATERIALS AND METHODS: We used oral squamous cancer cell lines (SCC1483, MSKQLL1) and different gases (N₂, He, and Ar)...
March 2017: Yonsei Medical Journal
https://www.readbyqxmd.com/read/28120507/effect-of-systemic-insulin-treatment-on-diabetic-wound-healing
#15
Nasibeh Vatankhah, Younes Jahangiri, Gregory J Landry, Gregory L Moneta, Amir F Azarbal
This study investigates if different diabetic treatment regimens affects diabetic foot ulcer healing. From January 2013 to December 2014, 107 diabetic foot ulcers in 85 patients were followed until wound healing, amputation or development of a non-healing ulcer at the last follow-up visit. Demographic data, diabetic treatment regimens, presence of peripheral vascular disease, wound characteristics and outcome were collected. Non-healing wound was defined as major or minor amputation or those who didn't have complete healing until the last observation...
January 24, 2017: Wound Repair and Regeneration
https://www.readbyqxmd.com/read/28118847/the-humanistic-and-economic-burden-of-chronic-wounds-a-protocol-for-a-systematic-review
#16
Krister Järbrink, Gao Ni, Henrik Sönnergren, Artur Schmidtchen, Caroline Pang, Ram Bajpai, Josip Car
BACKGROUND: Chronic non-healing wounds present a substantial economic burden to healthcare system; significant reductions in quality of life for those affected, and precede often serious events such as limp amputations or even premature deaths. This burden is also likely to increase with a larger proportion of elderly and increasing prevalence of life-style diseases such as obesity and diabetes. Reviews of the evidence on the burden of illness associated with chronic wounds have not been comprehensive in scope and have not provided an assessment of the distribution of the health care costs across categories of resource use...
January 24, 2017: Systematic Reviews
https://www.readbyqxmd.com/read/28117265/the-extracellular-adherence-protein-eap-of-staphylococcus-aureus-acts-as-a-proliferation-and-migration-repressing-factor-that-alters-the-cell-morphology-of-keratinocytes
#17
Janina Eisenbeis, Henrik Peisker, Christian S Backes, Stephanie Bur, Sebastian Hölters, Nicolas Thewes, Markus Greiner, Christian Junker, Eva C Schwarz, Markus Hoth, Kerstin Junker, Klaus T Preissner, Karin Jacobs, Mathias Herrmann, Markus Bischoff
Staphyloccocus aureus is a major human pathogen and a common cause for superficial and deep seated wound infections. The pathogen is equipped with a large arsenal of virulence factors, which facilitate attachment to various eukaryotic cell structures and modulate the host immune response. One of these factors is the extracellular adherence protein Eap, a member of the "secretable expanded repertoire adhesive molecules" (SERAM) protein family that possesses adhesive and immune modulatory properties. The secreted protein was previously shown to impair wound healing by interfering with host defense and neovascularization...
January 18, 2017: International Journal of Medical Microbiology: IJMM
https://www.readbyqxmd.com/read/28116276/is-early-weight-bearing-allowed-in-surgically-treated-talar-neck-fractures
#18
P H S Kalmet, S Sanduleanu, Y Y V Horn, M Poeze, P R G Brink
INTRODUCTION: Non-or partial weight bearing is frequently the standard treatment after peri-articular lower extremity fractures. Displaced talar neck fractures are severe injuries compromising vascularity of the corpus and consequently are at risk for non-union and avascular necrosis, the main reason to restrict weight bearing for up to three months according to most literature. CASE PRESENTATION: We report a case of a 31-year old male with a high impact car accident...
July 2016: Journal of Orthopaedic Case Reports
https://www.readbyqxmd.com/read/28109129/vsl-3-probiotic-differently-influence-iec-6-intestinal-epithelial-cell-status-and-function
#19
REVIEW
Benedetta Cinque, Cristina La Torre, Francesca Lombardi, Paola Palumbo, Zoran Evtoski, Silvano Jr Santini, Stefano Falone, Annamaria Cimini, Fernanda Amicarelli, Maria Grazia Cifone
The data here reported introduce the wound-healing assay as a tool for testing probiotics aimed at protecting gastrointestinal mucosal surfaces and to verify the consistency of their manufacturing. At the scope, we compared the in vitro effects of two multi-strain high concentration formulations both commercialized under the same brand VSL#3 but sourced from different production sites (USA and Italy) on a non-transformed small-intestinal epithelial cell line, IEC-6. The effects on cellular morphology, viability, migration, and H2 O2 -induced damage, were assessed before and after the treatment with both VSL#3 formulations...
January 21, 2017: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/28108895/chronic-wound-healing-a-review-of-current-management-and-treatments
#20
REVIEW
George Han, Roger Ceilley
Wound healing is a complex, highly regulated process that is critical in maintaining the barrier function of skin. With numerous disease processes, the cascade of events involved in wound healing can be affected, resulting in chronic, non-healing wounds that subject the patient to significant discomfort and distress while draining the medical system of an enormous amount of resources. The healing of a superficial wound requires many factors to work in concert, and wound dressings and treatments have evolved considerably to address possible barriers to wound healing, ranging from infection to hypoxia...
January 21, 2017: Advances in Therapy
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