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(Inflammation) AND (wound healing)

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https://www.readbyqxmd.com/read/28918742/a-new-concept-of-action-of-hemostatic-proteases-on-inflammation-neurotoxicity-and-tissue-regeneration
#1
REVIEW
L R Gorbacheva, E V Kiseleva, I G Savinkova, S M Strukova
Key hemostatic serine proteases such as thrombin and activated protein C (APC) are signaling molecules controlling blood coagulation and inflammation, tissue regeneration, neurodegeneration, and some other processes. By interacting with protease-activated receptors (PARs), these enzymes cleave a receptor exodomain and liberate new amino acid sequence known as a tethered ligand, which then activates the initial receptor and induces multiple signaling pathways and cell responses. Among four PAR family members, APC and thrombin mainly act via PAR1, and they trigger divergent effects...
July 2017: Biochemistry. Biokhimii︠a︡
https://www.readbyqxmd.com/read/28918046/microrna-as-therapeutic-targets-for-chronic-wound-healing
#2
REVIEW
Eoghan J Mulholland, Nicholas Dunne, Helen O McCarthy
Wound healing is a highly complex biological process composed of three overlapping phases: inflammation, proliferation, and remodeling. Impairments at any one or more of these stages can lead to compromised healing. MicroRNAs (miRs) are non-coding RNAs that act as post-transcriptional regulators of multiple proteins and associated pathways. Thus, identification of the appropriate miR involved in the different phases of wound healing could reveal an effective third-generation genetic therapy in chronic wound care...
September 15, 2017: Molecular Therapy. Nucleic Acids
https://www.readbyqxmd.com/read/28917930/structural-characterization-and-rheological-behavior-of-a-heteroxylan-extracted-from-plantago-notata-lagasca-plantaginaceae-seeds
#3
Fatima Benaoun, Cédric Delattre, Zakaria Boual, Alina V Ursu, Christophe Vial, Christine Gardarin, Anne Wadouachi, Didier Le Cerf, Tony Varacavoudin, Mohamed Didi Ould El-Hadj, Philippe Michaud, Guillaume Pierre
Plantago notata (Plantaginaceae) is a spontaneous plant from Septentrional Algerian Sahara currently used by traditional healers to treat stomach disorders, inflammations or wound healing. A water-soluble polysaccharide, called PSPN (PolySaccharide fraction from Plantago Notata), was extracted and purified from the seeds of this semi-arid plant. The structural features of this mucilage were evaluated by colorimetric assays, Fourier transformed infrared spectroscopy (FT-IR), gas chromatography coupled to mass spectrometry (GC/MS) and (1)H/(13)C Nuclear Magnetic Resonance (NMR) spectroscopy...
November 1, 2017: Carbohydrate Polymers
https://www.readbyqxmd.com/read/28914807/development-optimization-and-in-vitro-in-vivo-characterization-of-collagen-dextran-spongious-wound-dressings-loaded-with-flufenamic-acid
#4
Mihaela Violeta Ghica, Mădălina Georgiana Albu Kaya, Cristina-Elena Dinu-Pîrvu, Dumitru Lupuleasa, Denisa Ioana Udeanu
The aim of this study was the development and optimization of some topical collagen-dextran sponges with flufenamic acid, designed to be potential dressings for burn wounds healing. The sponges were obtained by lyophilization of hydrogels based on type I fibrillar collagen gel extracted from calf hide, dextran and flufenamic acid, crosslinked and un-crosslinked, and designed according to a 3-factor, 3-level Box-Behnken experimental design. The sponges showed good fluid uptake ability quantified by a high swelling ratio...
September 15, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/28913553/dual-inhibition-of-cathepsin-g-and-chymase-reduces-myocyte-death-and-improves-cardiac-remodeling-after-myocardial-ischemia-reperfusion-injury
#5
Bahman Hooshdaran, Mikhail A Kolpakov, Xinji Guo, Sonni A Miller, Tao Wang, Douglas G Tilley, Khadija Rafiq, Abdelkarim Sabri
Early reperfusion of ischemic cardiac tissue increases inflammatory cell infiltration which contributes to cardiomyocyte death and loss of cardiac function, referred to as ischemia/reperfusion (IR) injury. Neutrophil- and mast cell-derived proteases, cathepsin G (Cat.G) and chymase, are released early after IR, but their function is complicated by potentially redundant actions and targets. This study investigated whether a dual inhibition of Cat.G and chymase influences cardiomyocyte injury and wound healing after experimental IR in mice...
September 14, 2017: Basic Research in Cardiology
https://www.readbyqxmd.com/read/28912573/low-magnitude-high-frequency-vibration-accelerated-the-foot-wound-healing-of-n5-streptozotocin-induced-diabetic-rats-by-enhancing-glucose-transporter-4-and-blood-microcirculation
#6
Caroline Oi-Ling Yu, Kwok-Sui Leung, Jonney Lei Jiang, Tina Bai-Yan Wang, Simon Kwoon-Ho Chow, Wing-Hoi Cheung
Delayed wound healing is a Type 2 diabetes mellitus (DM) complication caused by hyperglycemia, systemic inflammation, and decreased blood microcirculation. Skeletal muscles are also affected by hyperglycemia, resulting in reduced blood flow and glucose uptake. Low Magnitude High Frequency Vibration (LMHFV) has been proven to be beneficial to muscle contractility and blood microcirculation. We hypothesized that LMHFV could accelerate the wound healing of n5-streptozotocin (n5-STZ)-induced DM rats by enhancing muscle activity and blood microcirculation...
September 14, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28905881/identification-of-asah1-as-a-susceptibility-gene-for-familial-keloids
#7
Regie Lyn P Santos-Cortez, Ying Hu, Fanyue Sun, Fairouz Benahmed-Miniuk, Jian Tao, Jitendra K Kanaujiya, Samuel Ademola, Solomon Fadiora, Victoria Odesina, Deborah A Nickerson, Michael J Bamshad, Peter B Olaitan, Odunayo M Oluwatosin, Suzanne M Leal, Ernst J Reichenberger
Keloids result from abnormal proliferative scar formation with scar tissue expanding beyond the margin of the original wound and are mostly found in individuals of sub-Saharan African descent. The etiology of keloids has not been resolved but previous studies suggest that keloids are a genetically heterogeneous disorder. Although possible candidate genes have been suggested by genome-wide association studies using common variants, by upregulation in keloids or their involvement in syndromes that include keloid formation, rare coding variants that contribute to susceptibility in non-syndromic keloid formation have not been previously identified...
October 2017: European Journal of Human Genetics: EJHG
https://www.readbyqxmd.com/read/28900458/effects-of-angelica-dahurica-and-rheum-officinale-extracts-on-excisional-wound-healing-in-rats
#8
Wan-Ting Yang, Chun-Yen Ke, Wen-Tien Wu, Horng-Jyh Harn, Yi-Hsiung Tseng, Ru-Ping Lee
The main objective of wound treatments is to restore the functional skin properties and prevent infection. Traditional Chinese medicine provides alternative anti-inflammatory, antimicrobial, and wound healing therapies. Both Angelica dahurica extract (AE) and Rheum officinale extract (RE) possess antimicrobial activity. In this study, AE and RE were applied in wound treatment to investigate their healing effects. Thirty Sprague-Dawley rats with dorsal full-thickness skin excision were divided into normal saline (NS), AE, RE, AE plus RE (ARE), and Biomycin (BM) groups...
2017: Evidence-based Complementary and Alternative Medicine: ECAM
https://www.readbyqxmd.com/read/28893656/hysteroscopic-isthmoplasty-step-by-step-technique
#9
Attilio Di Spiezio Sardo, Brunella Zizolfi, Gloria Calagna, Pierluigi Giampaolino, Filomena Paolella, Giuseppe Bifulco
BACKGROUND: Isthmocele is a characteristic semi-diverticular anomaly of the anterior isthmic wall of the uterus, located at the site of a previous cesarean delivery scar. The etiopathogenesis of isthmocele is still poorly understood, and several hypotheses have been proposed. Possible factors that could play a role in niche development include a very low incision through cervical tissue, an inadequate suturing technique during the closure of the uterine scar surgical interventions that increase adhesion formation or patient-related factors that impair wound healing, or increase inflammation or adhesion formation...
September 8, 2017: Journal of Minimally Invasive Gynecology
https://www.readbyqxmd.com/read/28893617/therapeutic-potential-of-carbohydrates-as-regulators-of-macrophage-activation
#10
REVIEW
Mimmi L E Lundahl, Eoin M Scanlan, Ed C Lavelle
It is well established for a broad range of disease states, including cancer and Mycobacterium tuberculosis infection, that pathogenesis is bolstered by polarisation of macrophages towards an anti-inflammatory phenotype, known as M2. As these innate immune cells are relatively long-lived, their re-polarisation to pro-inflammatory, phagocytic and bactericidal "classically activated" M1 macrophages is an attractive therapeutic approach. On the other hand, there are scenarios where the resolving inflammation, wound healing and tissue remodelling properties of M2 macrophages are beneficial - for example the successful introduction of biomedical implants...
September 8, 2017: Biochemical Pharmacology
https://www.readbyqxmd.com/read/28888309/head-and-neck-reconstruction
#11
REVIEW
Shannon Wong, Alyson Melin, Debra Reilly
Management of head and neck burns involves acute and intermediate phases. Acutely, the goals are establish a secure airway and treat life-threatening injuries. Then, optimize nutrition, assess extent of the burn, perform local wound care, and provide eye protection. Management depends on the degree of the head and neck burn. Postinjury splinting and rehabilitation are vital to healing. After the acute inflammation has resolved and the scars have matured, reconstruction begins with the goals of restoring both function and aesthetics...
October 2017: Clinics in Plastic Surgery
https://www.readbyqxmd.com/read/28888078/healing-of-soft-tissue-lacerations-in-diabetic-induced-rats
#12
Fawaz Alzoubi, Bobby Joseph, Lars Andersson
BACKGROUND/AIM: Prevalence and incidence of diabetes is increasing and many dental trauma patients today have diabetes. The implications of delayed wound healing, associated with diabetes mellitus, on oral mucosal wound healing has not been investigated extensively. The aim of this study was to investigate the implications of diabetes mellitus on the cellular, vascular, and fibroblastic changes induced by laceration on the oral mucosa of Wistar rats. MATERIALS AND METHODS: Sixteen female Wistar rats were randomly assigned into two groups: 1...
September 9, 2017: Dental Traumatology: Official Publication of International Association for Dental Traumatology
https://www.readbyqxmd.com/read/28887870/activation-of-nlrp3-signaling-accelerates-skin-wound-healing
#13
Hiroyasu Ito, Ayumu Kanbe, Hiroyasu Sakai, Mitsuru Seishima
The process of skin wound healing involves the following three steps: inflammation, tissue formation, and tissue remodeling. These optimal steps are required for the development of normal wound healing. Recent reports demonstrated that inflammasomes are involved in the innate immune response. In the present study, we examined whether the activation of inflammasomes affects the process of skin wound repair. The skin wound repair model was established using wild-type (WT), NACHT, LRR and PYD domains-containing protein 3 (NALP3) knockout (KO) and ASC-KO mice...
September 8, 2017: Experimental Dermatology
https://www.readbyqxmd.com/read/28880752/evaluation-of-osteopontin-expression-in-chronic-wounds-a-potential-prognostic-and-therapeutic-biomarker
#14
S Chimento, V Billero, L Cavallin, M Romanelli, M Nadji, P Romanelli
OBJECTIVE: Osteopontin (OPN) is abundantly expressed during tissue repair, acting as a powerful chemokine that recruits inflammatory cells such as neutrophils, macrophages, and Langerhans cells. The role of OPN in chronic wounds has not been explored. In this study, we assess the expression levels of OPN in chronic wounds to assess its potential contribution to the exacerbated inflammation seen in chronic ulcers, which is thought to contribute to poor healing. METHODS: This retrospective study included archived biopsies of chronic wounds from several aetiologies...
September 1, 2017: Journal of Wound Care
https://www.readbyqxmd.com/read/28879183/deep-sequencing-transcriptome-analysis-of-murine-wound-healing-effects-of-a-multicomponent-multitarget-natural-product-therapy-tr14
#15
Georges St Laurent, Bernd Seilheimer, Michael Tackett, Jianhua Zhou, Dmitry Shtokalo, Yuri Vyatkin, Maxim Ri, Ian Toma, Dan Jones, Timothy A McCaffrey
Wound healing involves an orchestrated response that engages multiple processes, such as hemostasis, cellular migration, extracellular matrix synthesis, and in particular, inflammation. Using a murine model of cutaneous wound repair, the transcriptome was mapped from 12 h to 8 days post-injury, and in response to a multicomponent, multi-target natural product, Tr14. Using single-molecule RNA sequencing (RNA-seq), there were clear temporal changes in known transcripts related to wound healing pathways, and additional novel transcripts of both coding and non-coding genes...
2017: Frontiers in Molecular Biosciences
https://www.readbyqxmd.com/read/28875742/medicated-ocular-bandages-and-corneal-health-potential-excipients-and-active-pharmaceutical-ingredients
#16
Ghada Zidan, Ilva D Rupenthal, Carol Greene, Ali Seyfoddin
Corneal blindness can occur due to improper healing of the corneal tissues after induced injury or abrasion which can be accidental, pathogenic or after corneal surgery. Abnormal regulation of the healing mechanisms can lead to corneal opacity. Reducing inflammation and promoting epithelial wound healing is crucial for scar-free corneal recovery without eyesight complications. Current approaches for corneal wound healing involve amniotic membrane (AM) bandages, bandage contact lenses (BCL) and collagen shields in conjunction with frequent administration of therapeutic eye drops...
September 6, 2017: Pharmaceutical Development and Technology
https://www.readbyqxmd.com/read/28875707/remote-manipulation-of-ligand-nano-oscillations-regulates-adhesion-and-polarization-of-macrophages-in-vivo
#17
Heemin Kang, Sungkyu Kim, Dexter Siu Hong Wong, Hee Joon Jung, Sien Lin, Kaijie Zou, Rui Li, Gang Li, Vinayak P Dravid, Liming Bian
Macrophages play crucial roles in various immune-related responses, such as host defense, wound healing, disease progression, and tissue regeneration. Macrophages perform distinct and dynamic functions in vivo, depending on their polarization states, such as the pro-inflammatory M1 phenotype and pro-healing M2 phenotype. Remote manipulation of the adhesion of host macrophages to the implants and their subsequent polarization in vivo can be an attractive strategy to control macrophage polarization-specific functions but has rarely been achieved...
September 8, 2017: Nano Letters
https://www.readbyqxmd.com/read/28874762/cytocompatible-anti-microbial-dressings-of-syzygium-cumini-cellulose-nanocrystals-decorated-with-silver-nanoparticles-accelerate-acute-and-diabetic-wound-healing
#18
Rubbel Singla, Sourabh Soni, Vikram Patial, Pankaj Markand Kulurkar, Avnesh Kumari, Mahesh S, Yogendra S Padwad, Sudesh Kumar Yadav
The ever increasing incidences of non-healing skin wounds have paved way for many efforts on the convoluted process of wound healing. Unfortunately, the lack of relevance and success of modern wound dressings in healing of acute and diabetic wounds still remains a matter of huge concern. Here, an in situ three step approach was embraced for the development of nanocomposite (NCs) dressings by impregnating silver nanoparticles (AgNPs) onto a matrix of cellulose nanocrystals (CNCs) isolated from Syzygium cumini leaves using an environmental friendly approach...
September 5, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28874184/multipotent-stromal-cells-mesenchymal-stem-cells-and-fibroblasts-combine-to-minimize-skin-hypertrophic-scarring
#19
Cecelia C Yates, Melanie Rodrigues, Austin Nuschke, Zariel I Johnson, Diana Whaley, Donna Stolz, Joseph Newsome, Alan Wells
BACKGROUND: Transplantation of mesenchymal stem cells (MSC) has been proposed to improve wound healing. However, as these cells only transiently survive in the implantation site, the mechanisms underlying this beneficial healing response are associated with restorative paracrine effects of MSC matricellular factors on resident stromal cells. However, this requires that the recipient has a robust reservoir of viable cells. Here, we examine the influence of MSCs on the behavior of cotransplanted fibroblasts, in a manner to provide augmented cellular reserve to debilitated individuals, specifically focusing on matrix remodeling following in-vivo wounding...
September 5, 2017: Stem Cell Research & Therapy
https://www.readbyqxmd.com/read/28866816/distinctively-expressed-cytokines-by-three-different-inflammation-cells-and-their-interaction-with-keratinocytes-in-wound-healing
#20
Jingwen Wang, Xusheng Wang, Haiyan Chen, Jianjun Liu, Edward E Tredget, Yaojiong Wu
Inflammatory cells exert crucial influence on wound healing, while exploration is still desired to get further insight into the key factors that promote the process. In the present study, we performed comparative microarray data analysis of the three types of inflammatory cells isolated from skin wounds and focused on differentially expressed secreted factors. Gene Ontology enrichment and receptor analysis indicated that 11 genes of secreted factors in Ly6C(+) inflammatory macrophages and 27 genes of secreted factors in neutrophils exhibited higher (≥ 5-fold) expression, and all these factors were considered as candidates with potentially important role in keratinocyte activation...
September 2, 2017: Inflammation
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