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https://www.readbyqxmd.com/read/29917206/up-regulation-of-microrna-503-by-high-glucose-reduces-the-migration-and-proliferation-but-promotes-the-apoptosis-of-human-umbilical-vein-endothelial-cells-by-inhibiting-the-expression-of-insulin-like-growth-factor-1-receptor
#1
L-J Hou, J-J Han, Y Liu
OBJECTIVE: The present study is aimed to investigate the regulatory effect of microRNA (miRNA or miR)-503 on endothelial functions, as well as the mechanism by which high glucose leads to injury of endothelial cells. MATERIALS AND METHODS: When reaching 80% confluency, human umbilical vein endothelial cells (HUVECs) were subjected to non-serum synchronization for 12 h, and medium of cells in high-glucose (HG) group was replaced by normal medium supplemented with 25 mmol/L D-glucose...
June 2018: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/29916897/lncrna-malat1-promotes-migration-and-invasion-of-non-small-cell-lung-cancer-by-targeting-mir-206-and-activating-akt-mtor-signaling
#2
Yi Tang, GaoMing Xiao, YueJun Chen, Yu Deng
Long noncoding RNA (lncRNA) metastasis-associated lung adenocarcinoma transcript 1 (MALAT1) functions as a crucial regulator of metastasis in lung cancer. The aim of this study is to unravel the underlying mechanisms of lncRNA MALAT1 in non-small-cell lung cancer (NSCLC). A cohort of 36 NSCLC tumor tissues and adjacent normal tissues was collected postoperatively from patients with NSCLC. qRT-PCR was performed to detect the expression of MALAT1 in both NSCLC tissues and cell lines. Cell migration and invasion were monitored by wound healing assay and transwell invasion assay...
June 18, 2018: Anti-cancer Drugs
https://www.readbyqxmd.com/read/29908280/lncrna-uca1-sponges-mir-26a-to-regulate-the-migration-and-proliferation-of-vascular-smooth-muscle-cells
#3
Shigang Tian, Yuan Yuan, Zhuo Li, Ming Gao, Ying Lu, Haiying Gao
BACKGROUND: Recent studies have shown that the long non-coding RNA urothelial carcinoma-associated (UCA1) plays a key role in cardiovascular injury. However, the potential biological role of UCA1 in progression of atherosclerosis (AS) remains unclear. The aim of the present study is to identify the regulation of lncRNA UCA1 on atherosclerosis-related vascular dysfunction via miR-26a targeting phosphatase and tensin homolog (PTEN), and investigate the underlying mechanisms in the development of atherosclerosis...
June 13, 2018: Gene
https://www.readbyqxmd.com/read/29908000/serpin-a1-and-the-modulation-of-type-i-collagen-turnover-effect-of-the-c-terminal-peptide-409-418-sa1-iii-in-human-dermal-fibroblasts
#4
Caterina Cipriani, Simona Pascarella, Fosca Errante, Beatrice Menicacci, Lucia Magnelli, Alessandra Mocali, Paolo Rovero, Lisa Giovannelli
The pharmacological modulation of collagen turnover is a strategy potentially useful in different skin conditions. The serine protease inhibitor Serpin A1 and portions of its C-terminal region have been investigated as collagen modulators. To clarify the mechanisms by which the C-terminal 409-418 peptide SA1-III increases extracellular type I collagen levels, to compare its activities range with that of the originator molecule Serpin A1, and to evaluate its efficacy in primary cultures from adult and aged human subjects...
June 16, 2018: Cell Biology International
https://www.readbyqxmd.com/read/29906322/dressings-and-topical-agents-for-treating-venous-leg-ulcers
#5
REVIEW
Gill Norman, Maggie J Westby, Amber D Rithalia, Nikki Stubbs, Marta O Soares, Jo C Dumville
BACKGROUND: Venous leg ulcers are open skin wounds on the lower leg which can be slow to heal, and are both painful and costly. The point prevalence of open venous leg ulcers in the UK is about 3 cases per 10,000 people, and many people experience recurrent episodes of prolonged ulceration. First-line treatment for venous leg ulcers is compression therapy, but a wide range of dressings and topical treatments are also used. This diversity of treatments makes evidence-based decision-making challenging, and a clear and current overview of all the evidence is required...
June 15, 2018: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/29906231/role-of-endothelial-microrna-23-clusters-in-angiogenesis-in-vivo
#6
Satoshi Oikawa, Shogo Wada, Minjung Lee, Seiji Maeda, Takayuki Akimoto
The capillary network is distributed throughout the body, and its reconstruction is induced under various pathophysiological conditions. MicroRNAs (miRNAs) are small non-coding RNAs that regulate gene expression via post-transcriptional mechanisms and are involved in many biological functions including angiogenesis. Previous studies have shown that each miRNA of the miR-23 cluster, composed of the miR-23a cluster (miR-23a~27a~24-2) and miR-23b cluster (miR-23b~27b~24-2), regulates angiogenesis in vitro. However, the role of the endothelium-specific miR-23 cluster, located within a single transcription unit, in angiogenesis in vivo has not been elucidated...
June 15, 2018: American Journal of Physiology. Heart and Circulatory Physiology
https://www.readbyqxmd.com/read/29902415/synthesis-of-newly-functionalized-1-4-naphthoquinone-derivatives-and-their-effects-on-wound-healing-in-alloxan-induced-diabetic-mice
#7
Silvia Helena Cardoso, Cleidijane Rodrigues de Oliveira, Ari Souza Guimarães, Jadiely Nascimento, Julianderson de Oliveira Dos Santos Carmo, Jamylle Nunes de Souza Ferro, Ana Carolina de Carvalho Correia, Emiliano Barreto
Naphthoquinone derivatives have various pharmacological properties. Here, we describe the synthesis of new 1,4-naphthoquinone derivatives inspired by lawsone and β-lapachone and their effects on both migration of fibroblasts in vitro and dermal wound healing in diabetic mice. NMR and FTIR spectroscopy aided characterization of chemical composition and demonstrated the molecular variations after the synthesis of four different derivatives, namely 2-bromo-1,4-naphthoquinone (termed derivative S3), 2-N-phenylamino-1,4-naphthoquinone (derivative S5), 2-N-isonicotinoyl-hydrazide-1,4-naphthoquinone (derivative S6), and 1-N-isonicotinoyl-hydrazone-[2-hydroxy-3-(3-methyl-2-butenyl)]-1,4-naphthoquinone (derivative S7)...
June 11, 2018: Chemico-biological Interactions
https://www.readbyqxmd.com/read/29901173/preliminary-mechanisms-of-regulating-pd%C3%A2-l1-expression-in-non%C3%A2-small-cell-lung-cancer-during-the-emt-process
#8
Fang Li, Tengjiao Zhu, Yao Yue, Xiang Zhu, Jiadong Wang, Li Liang
Non‑small cell lung cancer (NSCLC) is one of the most severe malignant tumor types worldwide. Recent studies have reported an important role of PD‑L1 in mediating immune evasion in the tumor microenvironment. In addition, increasing research has indicated that the expression of PD‑L1 is related to the epithelial‑mesenchymal transition (EMT) process, but the related mechanisms remain to be explored. In the present study, we explored the molecular mechanisms underlying the regulation of PD‑L1 expression during the EMT process in NSCLC cells treated with transforming growth factor‑β1 (TGF‑β1) and fibroblast growth factor 2 (FGF2)...
June 5, 2018: Oncology Reports
https://www.readbyqxmd.com/read/29898866/back-to-the-future-the-cecil-culp-technique-for-salvage-penile-reconstructive-procedures
#9
D A Weiss, C J Long, J R Frazier, A R Shukla, A K Srinivasan, T F Kolon, H DiCarlo, J P Gearhart, D A Canning
INTRODUCTION: Re-operative penile reconstruction is challenging and requires tension-free skin closure. The repair popularized by Cecil and Culp in the 1940s, using the scrotum to provide a temporary vascularized bed for complex hypospadias repairs, fell out of favor due to temporal trends towards single-stage repairs and concern for utilizing hair-bearing skin on the penile shaft. OBJECTIVE: It was hypothesized that a modified Cecil-Culp (CC) concept of penile scrotalization, leaving the penis attached to the scrotum for 1 year rather than 6 weeks as originally described, improves outcomes with this reconstruction for ventral skin deficiency or poor vascular support...
May 30, 2018: Journal of Pediatric Urology
https://www.readbyqxmd.com/read/29895497/%C3%AE-n-oxalyl-l-%C3%AE-%C3%AE-diaminopropionic-acid-induces-wound-healing-by-stabilizing-hif-1%C3%AE-and-modulating-associated-protein-expression
#10
Deepshikha Sharma, Preeti Singh, Surya S Singh
BACKGROUND: β-N-oxalyl-L-α,β-diaminopropionic acid (L-ODAP) is a non-protein amino acid with haemostatic property present in Lathyrus sativus. It is considered to be the causative agent of neurolathyrism that occurs upon prolonged overconsumption of Lathyrus sativus seeds. L-ODAP is used as a haemostatic drug in surgical dressings. We previously reported that it can stabilize hypoxia inducible factor (HIF)-1α in normoxic conditions. HYPOTHESIS: We hypothesised that L-ODAP might affect wound healing by modulating cellular proliferation, migration and angiogenesis via HIF-1α stabilization...
May 15, 2018: Phytomedicine: International Journal of Phytotherapy and Phytopharmacology
https://www.readbyqxmd.com/read/29893025/the-wound-healing-effects-of-a-next-generation-anti-biofilm-silver-hydrofiber-wound-dressing-on-deep-partial-thickness-wounds-using-a-porcine-model
#11
Stephen C Davis, Jie Li, Joel Gil, Jose Valdes, Michael Solis, Alex Higa, Philip Bowler
Topical antimicrobials are widely used to control wound bioburden and facilitate wound healing; however, the fine balance between antimicrobial efficacy and non-toxicity must be achieved. This study evaluated whether an anti-biofilm silver-containing wound dressing interfered with the normal healing process in non-contaminated deep partial thickness wounds. In an in-vivo porcine wound model using 2 pigs, 96 wounds were randomly assigned to 1 of 3 dressing groups: anti-biofilm silver Hydrofiber dressing (test), silver Hydrofiber dressing (control), or polyurethane film dressing (control)...
June 11, 2018: International Wound Journal
https://www.readbyqxmd.com/read/29892584/ct-guided-percutaneous-sacroiliac-stabilization-in-unstable-pelvic-fractures-a-safe-and-accurate-technique
#12
Govind Gandhi, Mayank Vijayvargiya, Vivek Shetty, Vikas Agashe, Shailendra Maheshwari, Joseph Monteiro
Objective: The use of open reduction and internal fixation (ORIF) for unstable pelvic injuries is associated with extensive blood loss, iatrogenic neurovascular injury, and infection. Moreover, the placement of sacroiliac (SI) screws is a blinded procedure, guided primarily by palpation and two-dimensional radiological screening, which demands expertise. The complex three-dimensional anatomy of SI joint and its proximity to neurovascular structure require a safe and precise technique...
May 2018: Revista Brasileira de Ortopedia
https://www.readbyqxmd.com/read/29889978/extracorporeal-shock-wave-therapy-for-the-healing-and-management-of-venous-leg-ulcers
#13
REVIEW
Ben Cooper, Paul Bachoo
BACKGROUND: Leg ulcers are chronic wounds of the lower leg, caused by poor blood flow, that can take a long time to heal. The pooling of blood in the veins can damage the skin and surrounding tissues, causing an ulcer to form. Venous leg ulcers are associated with impaired quality of life, reduced mobility, pain, stress and loss of dignity. The standard treatment for venous leg ulcers is compression bandages or stockings. Shock wave therapy may aid the healing of these wounds through the promotion of angiogenesis (the formation and development of blood vessels) and reduction of inflammation, though this process is poorly understood at present...
June 11, 2018: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/29889104/treatment-of-nonhealing-ulcers-with-an-allograft-xenograft-substitute-a-case-series
#14
Tobias Sivlér, Petter Sivlér, Mårten Skog, Luca Conti, Daniel Aili
OBJECTIVE: Wound dressings that use biosynthetic cellulose may be a good alternative to dressings currently used to treat chronic and acute ulcers because their nanostructure is similar to collagen. The objective of this study was to evaluate a wound dressing created with a new material that is composed of a fibrillary network of biosynthetic cellulose. METHODS: A case series of 8 patients in primary healthcare centers in Östergötland county council, Sweden, with chronic and acute lower limb wounds were treated with a wound dressing based on eiratex (S2Medical AB, Linköping, Sweden)...
June 7, 2018: Advances in Skin & Wound Care
https://www.readbyqxmd.com/read/29887237/use-of-asepsis-scoring-method-for-the-assessment-of-surgical-wound-infections-in-a-greek-orthopaedic-department
#15
Panagiota Copanitsanou, Vasileios A Kechagias, Theodoros B Grivas, Peter Wilson
BACKGROUND: In Greece there is no systematic assessment of surgical wounds with the use of a validated instrument, while the ASEPSIS scoring method has been widely used internationally. AIM: To examine the frequency of wound infections and their correlations both with patient background factors, as well as surgery factors, with the use of ASEPSIS. METHODS: In this prospective, observational study, participants undergoing orthopaedic surgeries in a large hospital in Greece were assessed during hospitalisation and the first month after discharge using the ASEPSIS wound assessment tool...
March 28, 2018: International Journal of Orthopaedic and Trauma Nursing
https://www.readbyqxmd.com/read/29883941/oncogene-mir-187-5p-is-associated-with-cellular-proliferation-migration-invasion-apoptosis-and-an-increased-risk-of-recurrence-in-bladder-cancer
#16
Zuwei Li, Canbin Lin, Liwen Zhao, Liang Zhou, Xiang Pan, Jing Quan, Xiqi Peng, Weiqing Li, Hang Li, Jinling Xu, Weijie Xu, Xin Guan, Yun Chen, Yongqing Lai
BACKGROUND: Bladder cancer, the ninth-most-common malignancy worldwide with an estimated 356,000 new cases and 145,000 deaths annually, has a propensity to relapse, requiring lifelong monitoring after diagnosis. 75% patients diagnosed with BC are non-muscle invasive BC and over 50% of them experience recurrences within 6-12 years of initial diagnosis. miRNA are small, noncoding RNA and shown to be oncogenes or anti-oncogenes in bladder cancer, contributing to numerous BC cell processes, including cell proliferation, differentiation, migration and apoptosis...
June 5, 2018: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29879950/p300-promotes-proliferation-migration-and-invasion-via-inducing-epithelial-mesenchymal-transition-in-non-small-cell-lung-cancer-cells
#17
Xue Hou, Run Gong, Jianhua Zhan, Ting Zhou, Yuxiang Ma, Yuanyuan Zhao, Yaxiong Zhang, Gang Chen, Zhonghan Zhang, Shuxiang Ma, Xi Chen, Fangfang Gao, Shaodong Hong, Fan Luo, Wenfeng Fang, Yunpeng Yang, Yan Huang, Likun Chen, Haoxian Yang, Li Zhang
BACKGROUND: Histone acetyltransferase p300 is a crucial transcriptional coactivator and has been implicated as a poor prognostic factor in human cancers. However, little is known about the substantial functions and mechanisms of p300 in NSCLC proliferation and distant metastasis. METHODS: We constructed p300 down-regulated and up-regulated cell lines through RNAi and recombinant plasmid transfection. Cell Counting Kit-8 assays were used to test the cell proliferation and confirmed by colony formation assays...
June 7, 2018: BMC Cancer
https://www.readbyqxmd.com/read/29873073/identification-and-functional-analysis-of-inflammation-related-mirnas-in-skin-wound-repair
#18
REVIEW
Ryoichi Mori, Katsuya Tanaka, Isao Shimokawa
Inflammation at a wound site is essential for preventing infection. However, misregulated inflammation leads to pathologies of the healing process, including chronic non-healing wounds and scarring. MicroRNAs (miRNAs) are key regulators of the inflammatory response and tissue repair, acting by translational processing of target mRNAs. In the final step of miRNA processing, Argonaute 2 (Ago2)-bound mature miRNA complexes bind to target mRNAs and inhibit their translation. A variety of wound healing-related miRNAs have been identified and their misregulation likely contributes to wound pathologies, including scarring and chronic healing...
June 5, 2018: Development, Growth & Differentiation
https://www.readbyqxmd.com/read/29872915/plasma-rich-fibrin-in-neurosurgery-a-feasibility-study
#19
Tom Theys, Anais Van Hoylandt, Charlotte-Elise Broeckx, Laura Van Gerven, Joyce Jonkergouw, Marc Quirynen, Johannes van Loon
BACKGROUND: Cerebrospinal fluid (CSF) leakage represents an important and sometimes challenging complication in both cranial and spinal surgery. Current available options for dural closure pose inherent problems regarding safety, efficacy, immunogenicity, cost, and invasiveness. In this article, the use of leukocyte- and platelet-rich fibrin (L-PRF) derived from the patient's own blood is proposed to facilitate dural closure. We aim to describe the safety, feasibility, and applicability of L-PRF membranes and plugs in cranial and spinal neurosurgery...
June 6, 2018: Acta Neurochirurgica
https://www.readbyqxmd.com/read/29871782/osteopontin-levels-in-plasma-muscles-and-bone-in-patient-with-non-healing-diabetic-foot-ulcers-a-new-player-in-wound-healing-process
#20
Z Feldbrin, E Omelchenko, A Lipkin, M Shargorodsky
BACKGROUND: The present study was designed to investigate the impact of osteopontin (OPN) in different tissue (e.g., plasma, muscles and bone) on amputation rate (in-hospital and during one year follow-up) for non-healing diabetic foot ulcers (DFUs). METHODS: This pilot study consisted of 30 diabetic patients, hospitalized due to non-healing DFUs. Patients were divided into two groups: Group 1 included 14 patients who underwent limb-preserved debridement procedure without amputation; Group 2 included 16 subjects who underwent amputation...
May 17, 2018: Journal of Diabetes and its Complications
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