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https://www.readbyqxmd.com/read/28454301/immunohistochemical-profile-of-ing3-protein-in-normal-and-cancerous-tissues
#1
Wen-Feng Gou, Xue-Feng Yang, Dao-Fu Shen, Shuang Zhao, Hong-Zhi Sun, Jun-Sheng Luo, Hua-Chuan Zheng
The inhibitor of growth family, member 3 (ING3) protein may be capable of blocking the cell cycle via activating p53-transactivated promoters of p21 and Bcl2-associated X protein, and may induce apoptosis via a Fas/caspase-8-dependent signaling pathway. In the present study, immunohistochemistry was performed in order to characterize the expression profile of ING3 protein in tissue microarrays containing mouse and human normal tissue, human hepatocellular (n=62), renal clear cell (n=62), pancreatic (n=62), esophageal squamous cell (n=45), cervical squamous cell (n=31), breast (n=144), gastric (n=196), colorectal (n=96), ovarian (n=208), endometrial (n=96) and lung carcinoma (n=192)...
March 2017: Oncology Letters
https://www.readbyqxmd.com/read/28448267/endogenous-thymosin-%C3%AE-4-expression-in-sacrococcygeal-pilonidal-sinus-disease-a-retrospective-immunohistochemical-analysis-of-excisional-skin-biopsy-samples
#2
Sevinc Sahin
Thymosin beta 4 (Tβ4) is a peptide that has been shown in dermal, corneal, and cardiac preclinical injury models to potentially affect tissue protection, regeneration, and repair. Sacrococcygeal pilonidal sinus disease (SPSD) is a chronic inflammatory disorder associated with a high incidence of recurrence, chronic fistulation, and a challenging postoperative surgical wound healing process. Retrospectively, an immunohistochemical analysis was conducted to evaluate endogenous Tβ4 expression in excisional skin biopsies from patients with SPSD...
April 2017: Ostomy/wound Management
https://www.readbyqxmd.com/read/28447447/nuclear-targeting-gold-nanorods-for-extremely-low-nir-activated-photothermal-therapy
#3
Limin Pan, Jianan Liu, Jianlin Shi
Photo-related nanomedicine is of particular interest as an emerging paradigm toward precise cancer therapy, as demonstrated by the recent developments of photothermal therapy (PTT), an emerging technique employing light converting agents to burn cancerous cells by over-dosed optical energy-converted heat. However, most of the laser irradiations needed for effective PTT significantly exceed the maximal permissible power density in human skin, which is likely to damage surrounding normal tissues. Herein, we report a strategy of intranuclear PTT of cancer enabled by nuclear-targeted delivery of gold nanorods of ~ 10...
April 27, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28445199/effect-of-electroacupuncture-at-the-zusanli-point-stomach-36-on-dorsal-random-pattern-skin-flap-survival-in-a-rat-model
#4
Li-Ren Wang, Le-Yi Cai, Ding-Sheng Lin, Bin Cao, Zhi-Jie Li
BACKGROUND: Random skin flaps are commonly used for wound repair and reconstruction. Electroacupuncture at The Zusanli point could enhance microcirculation and blood perfusion in random skin flaps. OBJECTIVE: To determine whether electroacupuncture at The Zusanli point can improve the survival of random skin flaps in a rat model. MATERIALS AND METHODS: Thirty-six male Sprague Dawley rats were randomly divided into 3 groups: control group (no electroacupuncture), Group A (electroacupuncture at a nonacupoint near The Zusanli point), and Group B (electroacupuncture at The Zusanli point)...
April 24, 2017: Dermatologic Surgery: Official Publication for American Society for Dermatologic Surgery [et Al.]
https://www.readbyqxmd.com/read/28444443/-new-approaches-for-the-prevention-of-actinic-keratosis
#5
REVIEW
H Stege, J Krutmann
Actinic keratosis is one of the most common skin diseases. Because of the ongoing demographic changes, it is anticipated that the incidence will further increase. Prevention of actinic keratoses is thus of great importance. By far the most important cause of actinic keratoses is the chronic cumulative irradiation of human skin with ultraviolet B and A radiation from natural sunlight. There is no doubt that use of sunscreens is effective in preventing actinic keratoses. Recent studies indicate that in high-risk groups the regular use of medical devices which are characterized by a very high SPF and which contain liposomally encapsulated DNA repair enzymes are effective in preventing the development of new actinic keratoses even when field cancerization is already present in human skin...
April 25, 2017: Der Hautarzt; Zeitschrift Für Dermatologie, Venerologie, und Verwandte Gebiete
https://www.readbyqxmd.com/read/28442143/polypropylene-mesh-seeded-with-fibroblasts-a-new-approach-for-the-repair-of-abdominal-wall-defects-in-rats
#6
A Mohsina, Naveen Kumar, A K Sharma, Sameer Shrivastava, Dayamon D Mathew, V Remya, Sonal, S K Maiti, Kiranjeet Singh, K P Singh
PURPOSE: The purpose of study was to develop bioengineered scaffolds by seeding primary mouse embryo fibroblast cells (p-MEF) on polypropylene mesh and to test its efficacy for the repair of abdominal wall defects in rats. METHODS: The study was conducted on 18 clinically healthy adult Wistar rats of either sex. The animals were randomly divided into two equal groups having nine animals in each group. In both the groups a 20mm×20mm size full thickness muscle defect was created under xylazine and ketamine anesthesia in the mid-ventral abdominal wall...
April 17, 2017: Tissue & Cell
https://www.readbyqxmd.com/read/28440420/wound-healing-effect-of-an-astragalus%C3%A2-membranaceus-polysaccharide-and-its-mechanism
#7
Bingjiang Zhao, Xuanfen Zhang, Wei Han, Ju Cheng, Yonghong Qin
In the present study, a novel polysaccharide, APS2-1, was isolated and purified from Astragalus membranaceus using DEAE-cellulose and Sephadex G-100 chromatography. The effect of APS2‑1 on the promotion of wound healing was evaluated and its preliminary mechanism was investigated. In vitro experiments showed that APS2‑1 was able to promote human skin fibroblast (HSF) propagation and accelerate cell cycle progression. For further examination, a scalded mice model was used to verify the effect of APS2‑1 and investigate its mechanism of action...
April 20, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28434617/stem-cell-lineage-infidelity-drives-wound-repair-and-cancer
#8
Yejing Ge, Nicholas C Gomez, Rene C Adam, Maria Nikolova, Hanseul Yang, Akanksha Verma, Catherine Pei-Ju Lu, Lisa Polak, Shaopeng Yuan, Olivier Elemento, Elaine Fuchs
Tissue stem cells contribute to tissue regeneration and wound repair through cellular programs that can be hijacked by cancer cells. Here, we investigate such a phenomenon in skin, where during homeostasis, stem cells of the epidermis and hair follicle fuel their respective tissues. We find that breakdown of stem cell lineage confinement-granting privileges associated with both fates-is not only hallmark but also functional in cancer development. We show that lineage plasticity is critical in wound repair, where it operates transiently to redirect fates...
April 19, 2017: Cell
https://www.readbyqxmd.com/read/28432201/mg53-biological-function-and-potential-as-a-therapeutic-target
#9
Yan Zhang, Hong-Kun Wu, Fengxiang Lv, Rui-Ping Xiao
MG53 (also known as TRIM72) is a cardiac and skeletal muscle-specific TRIM-family protein that exhibits multiple biological functions. First, MG53 participates in plasma membrane repair of the heart, skeletal muscle and other tissues. Second, MG53 is essentially involved in the cardioprotection of cardiac ischemic, pre-conditioning and post-conditioning, by activating the PI3K-Akt-GSK3β and ERK1/2 survival signaling pathways. Moreover, systemic delivery of recombinant MG53 protein ameliorates the impact of a range of injury insults on heart, skeletal muscle, lung, kidney, skin and brain...
April 21, 2017: Molecular Pharmacology
https://www.readbyqxmd.com/read/28431056/long-term-outcome-of-transvenous-pacemaker-implantation-in-infants-a-retrospective-cohort-study
#10
Laura M Vos, Janneke A E Kammeraad, Matthias W Freund, Andreas C Blank, Johannes M P J Breur
Aim: Evaluation of long-term outcome of transvenous pacemaker (PM) implantation in infants. Methods and Results: A retrospective analysis of all transvenous PM implantations in infants <10 kg between September 1997 and October 2001 was made. Indications for PM implantation, age at implantation, and determinants of long-term outcome including cardiac function, PM function, and PM (system) complications were noted. Seven patients underwent transvenous VVI(R) PM implantation...
April 1, 2017: Europace: European Pacing, Arrhythmias, and Cardiac Electrophysiology
https://www.readbyqxmd.com/read/28427959/beneficial-effects-of-heparin-and-l-arginine-on-dermonecrosis-effect-induced-by-vipera-lebetina-venom-involvement-of-no-in-skin-regeneration
#11
Nouara Bennacef-Heffar, Fatima Laraba-Djebari
It is well known that snake venoms such as Viperidae caused severe local effects such as hemorrhage, myonecrosis and dermonecrosis which can lead to permanent tissue loss or the disability. The aim of this study is to evaluate the skin regeneration using heparin and l-arginine as well as the dermonecrotic effects induced by Vipera lebetina venom (VLV). To better understand the toxic effects induced by VLV and to prevent or treat these effects, we evaluate the local effects and the skin regeneration with or without drugs...
April 17, 2017: Acta Tropica
https://www.readbyqxmd.com/read/28426571/growth-differentiation-factor-5-accelerates-wound-closure-and-improves-skin-quality-during-repair-of-full-thickness-skin-defects
#12
Jennifer L Schiefer, Manuel Held, Paul C Fuchs, Erhan Demir, Frank Plöger, Hans-Eberhard Schaller, Afshin Rahmanian-Schwarz
BACKGROUND: A fast and stable wound closure is important, especially for extended and unstable wounds found after burn injuries. Growth can regulate a variety of cellular processes, including those involved in wound healing. Growth differentiation factor 5 (GDF-5) can accelerate fibroblast cell migration, cell proliferation, and collagen synthesis, which are essential for wound healing. Nevertheless, no standardized evaluation of the effect of GDF-5 on the healing of full-thickness wounds has been published to date...
May 2017: Advances in Skin & Wound Care
https://www.readbyqxmd.com/read/28423369/mdi-301-a-synthetic-retinoid-depressed-levels-of-matrix-metalloproteinases-and-oxidative-stress-in-diabetic-dermal-fibroblasts
#13
Jianhua Zhai, Yuli Wang
Diabetic foot ulcerations could result in serious consequences such as amputations. The up-regulation of matrix metalloproteinases and down-regulation of TIMP1 were remarked as distinctive biological characteristics in the diabetic dermal fibroblast. The current study was performed in order to clarify the effect of high glucose on formation of diabetic dermal fibroblast cell. In addition, the effect of MDI 301 on ameliorating diabetic fibroblasts was investigated in this study. The mRNA and protein expression levels of MMPs, TIMP1 and catalase were evaluated against fibroblasts treated with high glucose (30 mM) using qRT-PCR, western blotting and zymography assays...
April 3, 2017: Oncotarget
https://www.readbyqxmd.com/read/28422830/management-of-the-extensive-thoracic-defects-after-deep-sternal-wound-infection-with-the-rectus-abdominis-myocutaneous-flap-a-retrospective-case-series
#14
Yue-Hua Li, Zhao Zheng, Jiaomei Yang, Lin-Lin Su, Yang Liu, Fu Han, Jia-Qi Liu, Da-Hai Hu
Deep sternal wound infection is a severe complication after open heart surgery. According to the different severity and dimensions of the deep sternal wound infection, the treatment method is different. In this study, we aimed to describe our experience with the rectus abdominis myocutaneous flap for large sternal wound management, especially when 1 or 2 internal mammary arteries were absent.Between October 2010 and January 2016, a retrospective review of 9 patients who suffered from the extensive thoracic defects after deep sternal wound infection was conducted...
April 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28420408/sialylation-regulates-myofibroblast-differentiation-of-human-skin-fibroblasts
#15
Norihiko Sasaki, Yoko Itakura, Masashi Toyoda
BACKGROUND: Fibroblasts are key players in maintaining skin homeostasis and in orchestrating physiological tissue repair and skin regeneration. Dysfunctions in fibroblasts that occur with aging and the senescent process lead to the delayed healing observed in elderly people. The molecular mechanisms leading to fibroblast dysfunction during aging and the senescent process have not yet been clarified. Previously, changes in patterns of glycosylation were observed in fibroblasts in aging and the senescent process, but the effect of these changes on the function of fibroblasts has not been well documented...
April 18, 2017: Stem Cell Research & Therapy
https://www.readbyqxmd.com/read/28419818/local-group-2-innate-lymphoid-cells-promote-corneal-regeneration-after-epithelial-abrasion
#16
Jun Liu, Chengju Xiao, Hanqing Wang, Yunxia Xue, Dong Dong, Cuipei Lin, Fang Song, Ting Fu, Zhaorui Wang, Jiansu Chen, Hongwei Pan, Yangqiu Li, Dongqing Cai, Zhijie Li
Corneal injuries and infections are the leading cause of blindness worldwide. Thus, understanding the mechanisms that control healing of the damaged cornea is critical for the development of new therapies to promptly restore vision. Innate lymphoid cells (ILCs) are a recently identified heterogeneous cell population that has been reported to orchestrate immunity and promote tissue repair in the lungs and skin after injury. However, whether ILCs can modulate the repair process in the cornea remains poorly understood...
April 15, 2017: American Journal of Pathology
https://www.readbyqxmd.com/read/28415483/an-investigation-of-electrospun-henna-leaves-extract-loaded-chitosan-based-nanofibrous-mats-for-skin-tissue-engineering
#17
Iman Yousefi, Mehdi Pakravan, Hoda Rahimi, Abbas Bahador, Zahra Farshadzadeh, Ismael Haririan
Wound healing characteristics of some plant extracts have been well known for many years, and they have been utilized for such applications in traditional way. Recently electrospun nanofibrous mats showed promising properties for tissue engineering and especially for skin repair. It is expected that incorporation of plant extracts into such structures could provide higher performance and synergistic effect for biomedical and wound healing applications. The final purpose of this study is to fabricate chitosan based nanofiber mats loaded with a traditional plant extract of Lawsonia inermis (Henna) leaves to enhance the antibacterial efficacy and wound healing of the precursor nanofibers...
June 1, 2017: Materials Science & Engineering. C, Materials for Biological Applications
https://www.readbyqxmd.com/read/28412785/-functional-repair-of-cleft-lip-from-anatomical-resetting-to-biomechanical-simulation
#18
N B Yin
We are no longer entangled in the anatomical resetting of the labial-nasal muscle itself, but the sight to the muscle fiber level, to study the relationship between the muscle fiber force line and the labial-nasal shape. In the past ten years, we focused on the lip of nasal muscle fiber anatomy, imageology and biomechanics, carried out a series of research works, realized the three-dimensional (3D) visualization of small labial-nasal muscle fiber, established configuration models of normal and cleft lip with nasal muscle fibers, and put forward the hypothesis of naso-labial muscle tension band...
April 9, 2017: Zhonghua Kou Qiang Yi Xue za Zhi, Zhonghua Kouqiang Yixue Zazhi, Chinese Journal of Stomatology
https://www.readbyqxmd.com/read/28412456/dietary-proanthocyanidins-prevent-ultraviolet-radiation-induced-non-melanoma-skin-cancer-through-enhanced-repair-of-damaged-dna-dependent-activation-of-immune-sensitivity
#19
REVIEW
Santosh K Katiyar, Harish C Pal, Ram Prasad
Numerous plant products have been used to prevent and manage a wide variety of diseases for centuries. These products are now considered as promising options for the development of more effective and less toxic alternatives to the systems of medicine developed primarily in developed countries in the modern era. Grape seed proanthocyanidins (GSPs) are of great interest due to their anti-carcinogenic effects that have been demonstrated using various tumor models including ultraviolet (UV) radiation-induced non-melanoma skin cancer...
April 12, 2017: Seminars in Cancer Biology
https://www.readbyqxmd.com/read/28408096/local-treatment-of-a-pharyngocutaneous-fistula-secondary-to-osteoradionecrosis
#20
Olga González-Antolín
Radionecrosis is a late, and difficult to treat,complication of radiotherapy performed on head and neck tumours, and it is difficult to treat. This process causes significant damage, not only in the skin, but also in muscular, nervous, vascular, and bone structures. This, in turn, leads to airway and digestive tract involvement, as well as a functional loss and a cosmetic defect that usually requires reconstructive surgery. Therefore, this process is associated with a significant loss in the quality of life of patients and involves a long hospital stay for treatment, as well as the necessary support measures...
April 10, 2017: Enfermería Clínica
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