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(Inflammation) AND (wound healing)

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https://www.readbyqxmd.com/read/29332538/role-of-infiltrating-monocytes-in-the-development-of-radiation-induced-pulmonary-fibrosis
#1
Angela M Groves, Carl J Johnston, Jacqueline P Williams, Jacob N Finkelstein
Lung exposure to radiation induces an injury response that includes the release of cytokines and chemotactic mediators; these signals recruit immune cells to execute inflammatory and wound-healing processes. However, radiation alters the pulmonary microenvironment, dysregulating the immune responses and preventing a return to homeostasis. Importantly, dysregulation is observed as a chronic inflammation, which can progress into pneumonitis and promote pulmonary fibrosis; inflammatory monocytes, which are bone marrow derived and express CCR2, have been shown to migrate into the lung after radiation exposure...
January 13, 2018: Radiation Research
https://www.readbyqxmd.com/read/29331905/macrophage-phenotype-switch-by-sequential-action-of-immunomodulatory-cytokines-from-hydrogel-layers-on-titania-nanotubes
#2
Junhong Chen, Mengting Li, Congling Yang, Xianzhen Yin, Ke Duan, Jianxin Wang, Bo Feng
Inflammatory response occurring between tissues and implants after implantation has attracted increasing attention because it can cause local tissue necrosis and even implant failure. Macrophages play a key role in all stages of inflammation. Pro-inflammatory (M1) and anti-inflammatory (M2) macrophages comprise two main phenotypes and the switch from M1 to M2 at specific time points is important for wound healing and tissue regeneration. Therefore, we hypothesized that biomaterial systems capable of facilitating macrophage phenotype switching should attenuate inflammation and enhance healing...
January 9, 2018: Colloids and Surfaces. B, Biointerfaces
https://www.readbyqxmd.com/read/29330224/vitamin-d-ameliorates-impaired-wound-healing-in-streptozotocin-induced-diabetic-mice-by-suppressing-nf-%C3%AE%C2%BAb-mediated-inflammatory-genes-expression
#3
Yifeng Yuan, Sushant K Das, MaoQuan Li
[Background] : Diabetic wounds are characterized by delayed wound healing due to persistent inflammation and excessive production of reactive oxygen species. Vitamin D, which is well acknowledged as enhanced intestinal calcium absorption and increase in plasma calcium level, has recently been shown to display beneficial effects in various vascular diseases by promoting angiogenesis and inhibiting inflammatory responses. However the role of Vitamin Din diabetic wound healing is still unclear. [Materials and Methods] : In the present study, we investigated the role of Vitamin D in cutaneous wound healing in streptozotocin (STZ) induced diabetic mice...
January 12, 2018: Bioscience Reports
https://www.readbyqxmd.com/read/29330022/extracellular-matrix-contribution-to-skin-wounds-re-epithelialization
#4
REVIEW
Patricia Rousselle, Marine Montmasson, Cécile Garnier
The ability of skin to act as a barrier is primarily determined by cells that maintain the continuity and integrity of skin and restore it after injury. Cutaneous wound healing in adult mammals is a complex multi-step process that involves overlapping stages of blood clot formation, inflammation, re-epithelialization, granulation tissue formation, neovascularization, and remodeling. Under favorable conditions, epidermal regeneration begins within hours after injury and takes several days until the epithelial surface is intact due to reorganization of the basement membrane...
January 9, 2018: Matrix Biology: Journal of the International Society for Matrix Biology
https://www.readbyqxmd.com/read/29330021/ccn4-wisp1-controls-cutaneous-wound-healing-by-modulating-proliferation-migration-and-ecm-expression-in-dermal-fibroblasts-via-%C3%AE-5%C3%AE-1-and-tnf%C3%AE
#5
Mitsuaki Ono, Asuka Masaki, Azusa Maeda, Tina M Kilts, Emilio S Hara, Taishi Komori, Hai Pham, Takuo Kuboki, Marian F Young
Understanding the mechanisms that control cutaneous wound healing is crucial to successfully manage repair of damaged skin. The goal of the current study was to uncover novel extracellular matrix (ECM) components that control the wound healing process. Full thickness skin defects were created in mice and used to show CCN4 up-regulation during wound-healing as early as 1 day after surgery, suggesting a role in inflammation and subsequent dermal migration and proliferation. To determine how CCN4 could regulate wound healing we used Ccn4-KO mice and showed they had delayed wound closure accompanied by reduced expression of Col1a1 and Fn mRNA...
January 9, 2018: Matrix Biology: Journal of the International Society for Matrix Biology
https://www.readbyqxmd.com/read/29322631/cold-inducible-rna-binding-protein-in-cancer-and-inflammation
#6
REVIEW
Daniel A Lujan, Joey L Ochoa, Rebecca S Hartley
RNA binding proteins (RBPs) play key roles in RNA dynamics, including subcellular localization, translational efficiency and metabolism. Cold-inducible RNA binding protein (CIRP) is a stress-induced protein that was initially described as a DNA damage-induced transcript (A18 hnRNP), as well as a cold-shock domain containing cold-stress response protein (CIRBP) that alters the translational efficiency of its target messenger RNAs (mRNAs). This review summarizes recent work on the roles of CIRP in the context of inflammation and cancer...
January 11, 2018: Wiley Interdisciplinary Reviews. RNA
https://www.readbyqxmd.com/read/29322537/comparative-evaluations-of-hypertrophic-scar-formation-in-in-vivo-models
#7
Myeongjin Kim, Hyejin Kim, Hyun Wook Kang
BACKGROUND AND OBJECTIVE: Hypertrophic scar (HTS) results from a connective tissue reaction to trauma, inflammation, surgery, or burn on skin. In spite of various techniques for wound generation, the degree of scar in animal models after healing is still unpredictable and less reproducible. The objective of the current study was to identify the appropriate method to create the maximal HTS tissue in a reliable manner by comparing three different methods in vivo. MATERIALS AND METHODS: A 27 ICR mice were tested for the in vivo evaluations...
January 11, 2018: Lasers in Surgery and Medicine
https://www.readbyqxmd.com/read/29322410/citrobacter-rodentium-infection-model-for-the-analysis-of-bacterial-pathogenesis-and-mucosal-immunology
#8
Catherine L Kennedy, Elizabeth L Hartland
Citrobacter rodentium is a mouse restricted pathogen that was originally isolated from laboratory mouse colonies and causes transmissible colonic hyperplasia, characterized by thickening of the colon and inflammation. As a natural pathogen of mice, the infection model has proven critical to the development of our understanding of the pathogenesis of enteric disease and the mucosal immune response. In addition to this, some features of disease such as dysbiosis, inflammation, and wound healing replicate features of human inflammatory bowel diseases...
2018: Methods in Molecular Biology
https://www.readbyqxmd.com/read/29322404/in-vivo-models-of-inflammatory-bowel-disease-and-colitis-associated-cancer
#9
Ka Yee Fung, Tracy Putoczki
A single layer of epithelial cells separates luminal antigens from the host immune system throughout the gastrointestinal tract. A breakdown in the integrity of the epithelial barrier can lead to chronic inflammation, which is associated with numerous complications including cancer. Here we describe three experimental protocols to chemically induce acute and chronic inflammatory bowel disease (IBD) symptoms and colitis-associated colorectal cancer (CRC) progression. These in vivo mouse models are based on the induction of damage to the colonic epithelium, resulting in an inflammatory and wound healing response...
2018: Methods in Molecular Biology
https://www.readbyqxmd.com/read/29319160/macrophage-plasticity-polarization-and-function-in-health-and-disease
#10
REVIEW
Abbas Shapouri Moghaddam, Saeed Mohammadian, Hossein Vazini, Mahdi Taghadosi, Seyed-Alireza Esmaeili, Fatemeh Mardani, Bita Seifi, Asadollah Mohammadi, Jalil Tavakol Afshari, Amirhossein Sahebkar
Macrophages are heterogeneous and their phenotype and functions are regulated by the surrounding micro-environment. Macrophages commonly exist in two distinct subsets: 1) Classically activated or M1 macrophages, which are pro-inflammatory and polarized by lipopolysaccharide (LPS) either alone or in association with Th1 cytokines such as IFN-γ, GM-CSF and produce pro-inflammatory cytokines such as interleukin-1β (IL-1β), IL-6, IL-12, IL-23 and TNF-α, and 2) Alternatively activated or M2 macrophages, which are anti-inflammatory and immunoregulatory and polarized by Th2 cytokines such as IL-4 and IL-13 and produce anti-inflammatory cytokines such as IL-10 and TGF-β...
January 10, 2018: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/29317265/wound-regeneration-deficit-in-rats-correlates-with-low-morphogenetic-potential-and-distinct-transcriptome-profile-of-epidermis
#11
Christian F Guerrero-Juarez, Aliaksandr A Astrowski, Rabi Murad, Christina T Dang, Vera O Shatrova, Aksana Astrowskaja, Chae Ho Lim, Raul Ramos, Xiaojie Wang, Yuchen Liu, Hye-Lim Lee, Kim T Pham, Tsai-Ching Hsi, Ji Won Oh, Daniel Crocker, Ali Mortazavi, Mayumi Ito, Maksim V Plikus
Large excisional wounds in mice prominently regenerate new hair follicles (HFs) and fat, yet humans are deficient for this regenerative behavior. Currently, wound-induced regeneration remains a clinically desirable, but only partially understood phenomenon. We show that large excisional wounds in rats, across seven strains fail to regenerate new HFs. We compared wound transcriptomes between mice and rats at the time of scab detachment, which coincides with the onset of HF regeneration in mice. In both species, wound dermis and epidermis share core dermal and epidermal transcriptional programs respectively, yet prominent inter-species differences exist...
January 6, 2018: Journal of Investigative Dermatology
https://www.readbyqxmd.com/read/29314633/leucocyte-and-platelet-rich-fibrin-a-carrier-of-autologous-multipotent-cells-for-regenerative-medicine
#12
Rosa Di Liddo, Thomas Bertalot, Alessio Borean, Ivan Pirola, Alberto Argentoni, Sandra Schrenk, Carola Cenzi, Stefano Capelli, Maria Teresa Conconi, Pier Paolo Parnigotto
The wound healing is a complex process wherein inflammation, proliferation and regeneration evolve according to a spatio-temporal pattern from the activation of coagulation cascade to the formation of a plug clot including fibrin matrix, blood-borne cells and cytokines/growth factors. Creating environments conducive to tissue repair, the haemoderivatives are commonly proposed for the treatment of hard-to-heal wounds. Here, we explored in vitro the intrinsic regenerative potentialities of a leucocyte- and platelet-rich fibrin product, known as CPL-MB, defining the stemness grade of cells sprouting from the haemoderivative...
January 5, 2018: Journal of Cellular and Molecular Medicine
https://www.readbyqxmd.com/read/29310782/the-biochemistry-and-immunohistochemistry-of-versican
#13
Stephen P Evanko, Christina K Chan, Pamela Y Johnson, Charles W Frevert, Thomas N Wight
Versican is a chondroitin sulfate proteoglycan found in the extracellular matrix that is important for changes in cell phenotype associated with development and disease. Versican has been shown to be involved in cardiovascular disorders, as well as lung disease and fibrosis, inflammatory bowel disease, cancer, and several other diseases that have an inflammatory component. Versican was first identified as a fibroblast proteoglycan and forms large multimolecular complexes with hyaluronan and other components of the provisional matrix during wound healing and inflammation...
2018: Methods in Cell Biology
https://www.readbyqxmd.com/read/29303551/engineering-bioinspired-antioxidant-materials-promoting-cardiomyocyte-functionality-and-maturation-for-tissue-engineering-application
#14
Parvaiz Ahmad Shiekh, Anamika Singh, Ashok Kumar
Oxidative stress plays an important role in various pathological conditions such as wound healing, inflammation, myocardial infarction and biocompatibility of the materials. Antioxidant polymers to attenuate oxidative stress is an emerging field of biomaterial research with a huge impact in the field of tissue engineering and regenerative medicine. We describe here the fabrication and evaluation of an elastomeric antioxidant polyurethane (PUAO) for tissue engineering applications. Uniaxial and cyclic tensile testing, thermal analysis, degradation, cytotoxicity and antioxidant analysis was carried out...
January 5, 2018: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/29297842/sterilization-of-hybrid-marmoset-callithrix-sp-females-an-evaluation-of-two-surgical-methods
#15
Fábio Ferreira de Queiroz, Giane Chaves Kristosch, Flávio Landim Soffiati, Mônica Jorge Luz, André Lacerda de Abreu Oliveira, Tânia Ribeiro Junqueira Borges, Carlos Ramón Ruiz Miranda, Leonardo Serafim da Silveira
Population control techniques, either permanent or reversible, are important tools for the management of wildlife in captive and natural environments. Among these, surgical sterilization provides a permanent solution to unwanted reproduction. Surgical techniques can differ in their invasiveness and in the subsequent effect on behavior and physiology. For social animals, techniques that preserve gonads, such as vasectomy for males and ligation of uterine tubes for females, may be preferred because they maintain important physiology that influences behavior...
December 2017: Journal of Zoo and Wildlife Medicine: Official Publication of the American Association of Zoo Veterinarians
https://www.readbyqxmd.com/read/29295873/potentiating-tissue-resident-type-2-innate-lymphoid-cells-by-il-33-to-prevent-renal-ischemia-reperfusion-injury
#16
Qi Cao, Yiping Wang, Zhiguo Niu, Chengshi Wang, Ruifeng Wang, Zhiqiang Zhang, Titi Chen, Xin Maggie Wang, Qing Li, Vincent W S Lee, Qingsong Huang, Jing Tan, Minghao Guo, Yuan Min Wang, Guoping Zheng, Di Yu, Stephen I Alexander, Hui Wang, David C H Harris
The IL-33-type 2 innate lymphoid cell (ILC2) axis has an important role in tissue homeostasis, inflammation, and wound healing. However, the relative importance of this innate immune pathway for immunotherapy against inflammation and tissue damage remains unclear. Here, we show that treatment with recombinant mouse IL-33 prevented renal structural and functional injury and reduced mortality in mice subjected to ischemia-reperfusion injury (IRI). Compared with control-treated IRI mice, IL-33-treated IRI mice had increased levels of IL-4 and IL-13 in serum and kidney and more ILC2, regulatory T cells (Tregs), and anti-inflammatory (M2) macrophages...
January 2, 2018: Journal of the American Society of Nephrology: JASN
https://www.readbyqxmd.com/read/29295546/zinc-in-wound-healing-modulation
#17
REVIEW
Pei-Hui Lin, Matthew Sermersheim, Haichang Li, Peter H U Lee, Steven M Steinberg, Jianjie Ma
Wound care is a major healthcare expenditure. Treatment of burns, surgical and trauma wounds, diabetic lower limb ulcers and skin wounds is a major medical challenge with current therapies largely focused on supportive care measures. Successful wound repair requires a series of tightly coordinated steps including coagulation, inflammation, angiogenesis, new tissue formation and extracellular matrix remodelling. Zinc is an essential trace element (micronutrient) which plays important roles in human physiology...
December 24, 2017: Nutrients
https://www.readbyqxmd.com/read/29289704/contribution-of-photodynamic-therapy-in-wound-healing-a-systematic-review
#18
REVIEW
Vanessa Nesi-Reis, Daniele Stéfanie Sara Lopes Lera-Nonose, Jully Oyama, Marielle Priscila Paula Silva-Lalucci, Izabel Galhardo Demarchi, Sandra Mara Alessi Aristides, Jorge Juarez Vieira Teixeira, Thaís Gomes Verzignassi Silveira, Maria Valdrinez Campana Lonardoni
OBJECTIVE: We researched articles that used photodynamic therapy (PDT) in skin wound healing in humans. METHODS: The systematic review was conducted throughout scientific articles that investigated the action of PDT on wound healing in humans, published from July 2005 to March 2017, in the data bases PubMed and LILACS. RESULTS: The main types of wound described in selected articles in this review were chronic ulcer, non-melanoma skin cancer...
December 28, 2017: Photodiagnosis and Photodynamic Therapy
https://www.readbyqxmd.com/read/29288809/accelerated-full-thickness-wound-healing-via-sustained-bfgf-delivery-based-on-a-pva-chitosan-gelatin-hydrogel-incorporating-pcl-microspheres
#19
Amir Shamloo, Morteza Sarmadi, Zahra Aghababaie, Manouchehr Vossoughi
Herein, a hybrid hydrogel/microsphere system is introduced for accelerated wound healing by sustained release of basic fibroblast growth factor (bFGF). The hydrogel is composed of a mixture of PVA, gelatin and chitosan. The double-emulsion-solvent-evaporation method was utilized to obtain microspheres composed of PCL, as the organic phase, and PVA, as the aqueous phase. Subsequently, various in-vitro and in-vivo assays were performed to characterize the system. BSA was used to optimize the release mechanism, and encapsulation efficiency in microspheres, where a combination of 3% (w/v) PCL and 1% (w/v) PVA was found to be the optimum microsphere sample...
December 27, 2017: International Journal of Pharmaceutics
https://www.readbyqxmd.com/read/29281172/moldable-hyaluronan-hydrogel-enabled-by-dynamic-metal-bisphosphonate-coordination-chemistry-for-wound-healing
#20
Liyang Shi, Yannan Zhao, Qifan Xie, Caixia Fan, Jöns Hilborn, Jianwu Dai, Dmitri A Ossipov
Biomaterial-based regenerative approaches would allow for cost-effective off-the-shelf solution for the treatment of wounds. Hyaluronan (HA)-based hydrogel is one attractive biomaterial candidate because it is involved in natural healing processes, including inflammation, granulation, and reepithelialization. Herein, dynamic metal-ligand coordination bonds are used to fabricate moldable supramolecular HA hydrogels with self-healing properties. To achieve reversible crosslinking of HA chains, the biopolymer is modified with pendant bisphosphonate (BP) ligands using carbodiimide coupling and chemoselective "click" reactions...
December 27, 2017: Advanced Healthcare Materials
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