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https://www.readbyqxmd.com/read/28107698/the-natural-flavonoid-apigenin-sensitizes-human-cd44-prostate-cancer-stem-cells-to-cisplatin-therapy
#1
Suat Erdogan, Kader Turkekul, Rıza Serttas, Zeynep Erdogan
Prostate cancer (PCa) is the second most common type of cancer and the fifth leading cause of cancer-related death among men. Development of chemoresistance, tumor relapse and metastasis remain major barriers to effective treatment and all been identified to be associated with cancer stem cells (CSCs). Natural flavonoids such as apigenin have been shown to have the ability to improve the therapeutic efficacy of common chemotherapy agents through CSCs sensitization. Thus, the aim of this study was to evaluate the combination of apigenin with cisplatin on CD44(+) PCa stem cell growth and migration...
January 17, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28107663/antibacterial-anti-oxidant-electroactive-injectable-hydrogel-as-self-healing-wound-dressing-with-hemostasis-and-adhesiveness-for-cutaneous-wound-healing
#2
Xin Zhao, Hao Wu, Baolin Guo, Ruonan Dong, Yusheng Qiu, Peter X Ma
Injectable self-healing hydrogel dressing with multifunctional properties including anti-infection, anti-oxidative and conductivity promoting wound healing process will be highly desired in wound healing application and its design is still a challenge. We developed a series of injectable conductive self-healed hydrogels based on quaternized chitosan-g-polyaniline (QCSP) and benzaldehyde group functionalized poly(ethylene glycol)-co-poly(glycerol sebacate) (PEGS-FA) as antibacterial, anti-oxidant and electroactive dressing for cutaneous wound healing...
January 11, 2017: Biomaterials
https://www.readbyqxmd.com/read/28107529/complement-activation-and-stat4-expression-are-associated-with-early-inflammation-in-diabetic-wounds
#3
Kenji M Cunnion, Neel K Krishna, Haree K Pallera, Angela Pineros-Fernandez, Magdielis Gregory Rivera, Pamela S Hair, Brittany P Lassiter, Ryan Huyck, Mary A Clements, Antoinette F Hood, George T Rodeheaver, Patrick S Cottler, Jerry L Nadler, Anca D Dobrian
: Diabetic non-healing wounds are a major clinical problem. The mechanisms leading to poor wound healing in diabetes are multifactorial but unresolved inflammation may be a major contributing factor. The complement system (CS) is the most potent inflammatory cascade in humans and contributes to poor wound healing in animal models. Signal transducer and activator of transcription 4 (STAT4) is a transcription factor expressed in immune and adipose cells and contributes to upregulation of some inflammatory chemokines and cytokines...
2017: PloS One
https://www.readbyqxmd.com/read/28107325/quality-of-life-and-resilience-exploring-a-fly-fishing-intervention-for-breast-cancer-survivors%C3%A2
#4
Barbara J Henry
BACKGROUND: The Casting for Recovery® therapeutic intervention provides a positive, nontraditional weekend experience for breast cancer survivors. Participants receive fly fishing instruction and participate in structured and unstructured therapeutic activities.
. OBJECTIVES: The aim of this study was to evaluate whether breast cancer survivors had improved resilience and quality-of-life scores after program participation.
. METHODS: Participants completed the Quality of Life Breast Cancer questionnaire and Connor-
Davidson Resilience Scale two weeks before and three and six months after the retreats...
February 1, 2017: Clinical Journal of Oncology Nursing
https://www.readbyqxmd.com/read/28107267/the-prevalence-of-the-complications-and-their-associated-factors-in-humeral-lengthening-for-achondroplasia-retrospective-study-of-54-cases
#5
Natsuko Nakano-Matsuoka, Kenichi Fukiage, Yuki Harada, Naoya Kashiwagi, Tohru Futami
The aim of this study is to evaluate the complications of humeral lengthening and their associated factors. Fifty-four achondroplastic patients were treated by bilateral humeral lengthening. Our original shoulder sling was sufficient to prevent shoulder dislocation. Pre-existing radial head dislocation was observed in 18 patients. Lengthening was accomplished in all cases without a decrease in the elbow function. Seven humeri fractured after the fixator removal. The risk factors for postoperative fracture were a waiting period of less than 5 days, a healing index less than 25, and the concave shape of the callus...
January 19, 2017: Journal of Pediatric Orthopedics. Part B
https://www.readbyqxmd.com/read/28107097/comparison-of-systemic-and-topical-hypericum-perforatum-on-diabetic-surgical-wounds
#6
Mehmet Altıparmak, Teoman Eskitaşçıoğlu
BACKGROUND: Surgical wounds in diabetic patients still remain a problem till the present day. As a common plant found around the world, Hypericum perforatum L. (Hypericaceae) is traditionally prepared as an oily extract and used as a folk remedy for various diseases such as wounds, burns, cuts, etc. This study aims to evaluate the effect of St. John's wort (Hypericum perforatum) on problematic wounds while comparing oral and topical applications. METHODS: Incisional and excisional wound models were made on the dorsal regions of 54 diabetic Spraque-Dawley rats...
January 20, 2017: Journal of Investigative Surgery: the Official Journal of the Academy of Surgical Research
https://www.readbyqxmd.com/read/28107095/chibby1-knockdown-promotes-mesenchymal-to-epithelial-transition-like-changes
#7
Victoria Fischer, Michael Wong, Feng-Qian Li, Ken-Ichi Takemaru
Chibby1 (Cby1) was originally isolated as a binding partner for β-catenin, a dual function protein in cell-cell adhesion and in canonical Wnt signaling. The canonical Wnt/β-catenin pathway is dysregulated in various diseases including cancer, most notably of the gastrointestinal origin. To investigate the role of Cby1 in colorectal tumorigenesis, we generated stable Cby1-knockdown (KD) SW480 colon cancer cells. Unexpectedly, we found that Cby1 KD induces mesenchymal-to-epithelial transition (MET)-like changes in SW480 as well as in HEK293 cells...
January 20, 2017: Cell Cycle
https://www.readbyqxmd.com/read/28106913/efficacy-of-50%C3%A2-hz-electromagnetic-fields-on-human-epidermal-stem-cell-transplantation-seeded-in-collagen-sponge-scaffolds-for-wound-healing-in-a-murine-model
#8
Wen-Fang Bai, Wei-Cheng Xu, Hong-Xiang Zhu, Hong Huang, Bo Wu, Ming-Sheng Zhang
To explore the possible efficacy of electromagnetic fields (EMF) for skin tissue engineering, effects of EMF exposure on epidermal stem cells (ESC) seeded in collagen sponge scaffolds for wound healing in a murine model were investigated. The wound models of a full-thickness defect established with 36 7 ∼ 8-week-old nude mice were randomly divided into three groups: a control group, an ESC-only group, and an ESC with EMF exposure group (frequency of 50 Hz, magnetic induction of 5 mT, 60 min per day for 20 days)...
January 20, 2017: Bioelectromagnetics
https://www.readbyqxmd.com/read/28106778/methylglyoxal-glyoxalase-1-balance-the-root-of-vascular-damage
#9
REVIEW
Cecilia Nigro, Alessia Leone, Gregory Alexander Raciti, Michele Longo, Paola Mirra, Pietro Formisano, Francesco Beguinot, Claudia Miele
The highly reactive dicarbonyl methylglyoxal (MGO) is mainly formed as byproduct of glycolysis. Therefore, high blood glucose levels determine increased MGO accumulation. Nonetheless, MGO levels are also increased as consequence of the ineffective action of its main detoxification pathway, the glyoxalase system, of which glyoxalase 1 (Glo1) is the rate-limiting enzyme. Indeed, a physiological decrease of Glo1 transcription and activity occurs not only in chronic hyperglycaemia but also with ageing, during which MGO accumulation occurs...
January 18, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28106724/osteocalcin-mediates-biomineralization-during-osteogenic-maturation-in-human-mesenchymal-stromal-cells
#10
Yu-Tzu Tsao, Yi-Jeng Huang, Hao-Hsiang Wu, Yu-An Liu, Yi-Shiuan Liu, Oscar K Lee
There is a growing interest in cell therapies using mesenchymal stromal cells (MSCs) for repairing bone defects. MSCs have the ability to differentiate into osteoprogenitors and osteoblasts as well as to form calcified bone matrix. However, the molecular mechanisms governing mineralization during osteogenic differentiation remain unclear. Non-collagenous proteins in the extracellular matrix are believed to control different aspects of the mineralization. Since osteocalcin is the most abundant non-collagenous bone matrix protein, the purpose of this study is to investigate the roles of osteocalcin in mineral species production during osteogenesis of MSCs...
January 17, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28106673/outcomes-of-pediatric-fractures-managed-with-closed-reduction-by-orthopaedic-residents-in-the-emergency-department
#11
Vivek Natarajan, Ermias Abebe, James Dunlap, Patrick Bosch, Ozgur Dede, W Timothy Ward, James Roach
BACKGROUND: Closed reduction of pediatric fractures is commonly performed by orthopaedic residents using conscious sedation in the emergency department (ED). The purpose of this study was to determine the rate of satisfactory reductions as performed by residents, and to determine the outcomes of these procedures. METHODS: A retrospective review was performed of all fractures that underwent closed reduction under conscious sedation in the ED of a level 1 pediatric trauma center between January 1, 2010 and November 30, 2014...
January 18, 2017: Journal of Pediatric Orthopedics
https://www.readbyqxmd.com/read/28106636/fifth-congress-of-the-world-union-of-wound-healing-societies-2016-and-international-education-focus
#12
R Gary Sibbald, Elizabeth A Ayello
No abstract text is available yet for this article.
February 2017: Advances in Skin & Wound Care
https://www.readbyqxmd.com/read/28106635/survey-results-from-canada-and-some-latin-america-countries-2016-national-pressure-ulcer-advisory-panel-changes-in-terminology-and-definitions
#13
Elizabeth A Ayello, Guadalupe Maria Lobo Cordero, R Gary Sibbald
OBJECTIVE: Since the National Pressure Ulcer Advisory Panel (NPUAP) held its consensus conference in April 2016, various wound care specialists and professional organizations have been disseminating their response to the revised pressure injury staging definitions. The purpose of this survey was to get an objective perspective of the new NPUAP terminology and staging definitions changes from wound care colleagues outside the United States. PARTICIPANTS: In an attempt to obtain the opinions of wound care specialists outside the United States, a convenience sample from some countries in Latin America was invited to complete a survey during the Mexican Association for Integral Care and Wound Healing conference...
February 2017: Advances in Skin & Wound Care
https://www.readbyqxmd.com/read/28106513/long-term-follow-up-of-superior-gluteal-artery-perforator-flap-closure-of-large-myelomeningoceles
#14
Brett A Whittemore, Dale M Swift, Bradley E Weprin, Frederick J Duffy
OBJECTIVE Large myelomeningocele defects and poor surrounding tissue quality make some defects particularly difficult to close primarily. This paper describes the superior gluteal artery perforator (SGAP) flap technique for defect closure and long-term clinical outcomes. METHODS The technique for closing a myelomeningocele with an SGAP flap is described. A retrospective chart review was performed on a cohort of 11 patients who underwent closure in this manner. RESULTS Between 1999 and 2015, 271 myelomeningoceles were closed, 11 of which were SGAP flap closures...
January 20, 2017: Journal of Neurosurgery. Pediatrics
https://www.readbyqxmd.com/read/28106350/thermally-adjustable-dynamic-disulfide-linkages-mediated-by-highly-air-stable-2-2-6-6-tetramethylpiperidine-1-sulfanyl-temps-radicals
#15
Akira Takahashi, Raita Goseki, Hideyuki Otsuka
Intrinsically exchangeable dynamic covalent bonds that can be triggered by readily usable stimuli offer easy incorporation of their dynamic properties in various molecular systems, but the library of such bonds is still being developed. Herein, we report the dynamic covalent chemistry of 2,2,6,6-tetramethylpiperidine-1-sulfanyl (TEMPS) dimers derived from thermally reversible homolytic dissociation of disulfide linkages. High air stability of TEMPS was observed even at 100 °C, affording facile employment of thermal dissociation-association equilibria and adjustable bond exchange properties under atmospheric conditions...
January 20, 2017: Angewandte Chemie
https://www.readbyqxmd.com/read/28106286/tendinopathy-in-diabetes-mellitus-patients-epidemiology-pathogenesis-and-management
#16
REVIEW
Pauline Po Yee Lui
Chronic tendinopathy is a frequent and disabling musculo-skeletal problem affecting the athletic and general populations. The affected tendon is presented with local tenderness, swelling, and pain which restrict the activity of the individual. Tendon degeneration reduces the mechanical strength and predisposes it to rupture. The pathogenic mechanisms of chronic tendinopathy are not fully understood and several major non-mutually exclusive hypotheses including activation of the hypoxia-apoptosis-pro-inflammatory cytokines cascade, neurovascular ingrowth, increased production of neuromediators, and erroneous stem cell differentiation have been proposed...
January 20, 2017: Scandinavian Journal of Medicine & Science in Sports
https://www.readbyqxmd.com/read/28106169/inhibition-of-nucks-facilitates-corneal-recovery-following-alkali-burn
#17
Ming-Wai Poon, Dan Jiang, Peng Qin, Yuelin Zhang, Beiying Qiu, Sumit Chanda, Vinay Tergaonkar, Qing Li, Ian Y Wong, Zhendong Yu, Hung-Fat Tse, David S H Wong, Qizhou Lian
Corneal wound healing involves a complex cascade of cytokine-controlled cellular events, including inflammatory and angiogenesis responses that are regulated by transcriptional chromatin remodeling. Nuclear Ubiquitous Casein and cyclin-dependent Kinase Substrate (NUCKS) is a key chromatin modifier and transcriptional regulator of metabolic signaling. In this study, we investigated the role of NUCKS in corneal wound healing by comparing its effects on corneal alkali burn in NUCKS knockout (NKO) and NUCKS wild-type (NWT) mice...
January 20, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28106129/retooling-laser-speckle-contrast-analysis-algorithm-to-enhance-non-invasive-high-resolution-laser-speckle-functional-imaging-of-cutaneous-microcirculation
#18
Surya C Gnyawali, Kevin Blum, Durba Pal, Subhadip Ghatak, Savita Khanna, Sashwati Roy, Chandan K Sen
Cutaneous microvasculopathy complicates wound healing. Functional assessment of gated individual dermal microvessels is therefore of outstanding interest. Functional performance of laser speckle contrast imaging (LSCI) systems is compromised by motion artefacts. To address such weakness, post-processing of stacked images is reported. We report the first post-processing of binary raw data from a high-resolution LSCI camera. Sharp images of low-flowing microvessels were enabled by introducing inverse variance in conjunction with speckle contrast in Matlab-based program code...
January 20, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28105902/cost-effectiveness-of-using-adjunctive-porcine-small-intestine-submucosa-tri-layer-matrix-compared-with-standard-care-in-managing-diabetic-foot-ulcers-in-the-us
#19
J F Guest, D Weidlich, H Singh, J La Fontaine, A Garrett, C J Abularrage, C R Waycaster
OBJECTIVE: To estimate the cost-effectiveness of using tri-layer porcine small intestine submucosa (SIS; Oasis Ultra) as an adjunct to standard care compared with standard care alone in managing diabetic foot ulcers (DFUs) in the US, from the perspective of Medicare. METHOD: A Markov model was constructed to simulate the management of diabetic neuropathic lower extremity ulcers over a period of one year in the US. The model was used to estimate the cost-effectiveness of initially using adjunctive SIS compared with standard care alone to treat a DFU in the US at 2016 prices...
January 2, 2017: Journal of Wound Care
https://www.readbyqxmd.com/read/28105899/clinic-visit-frequency-in-wound-care-matters-data-from-the-us-wound-registry
#20
M J Carter, C E Fife
OBJECTIVE: A previous study suggested that the frequency with which patients visit wound care clinics influences the rate of chronic wound healing but high bias was present with regard to wound care centre selection. The objective of this retrospective cohort study was to confirm this finding by using a very large sample size of diabetic foot ulcers (DFUs) from the US Wound Registry. METHOD: Patients who visited the clinic more than once for a new DFU were eligible for study inclusion...
January 2, 2017: Journal of Wound Care
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