Grapefruit Derived Extracellular Vesicles as a Promising Cell-free Therapeutic Tool for Wound Healing

2021 ◽  
Author(s):  
Yağız Savcı ◽  
Oğuz Kaan Kaan Kırbaş ◽  
Batuhan Turhan Bozkurt ◽  
Ezgi Avşar Abdik ◽  
Pakize Neslihan Taşlı ◽  
...  
Keyword(s):  
Wound Healing ◽  
Extracellular Vesicles ◽  
Chronic Wounds ◽  
Wound Care ◽  
Therapeutic Tool

Due to the prevalence of individuals suffering from chronic wounds, developing safe and effective wound care agents is one of the more prominent fields of research in biology. However, wound...

scholarly journals Extracellular Vesicles as Therapeutic Tools for the Treatment of Chronic Wounds

Pharmaceutics ◽  
2021 ◽  
Vol 13 (10) ◽  
pp. 1543
Author(s):  
Eric R. Bray ◽  
Alisha R. Oropallo ◽  
Daniel A. Grande ◽  
Robert S. Kirsner ◽  
Evangelos V. Badiavas
Keyword(s):  
Wound Healing ◽  
Extracellular Vesicles ◽  
Chronic Wounds ◽  
Wound Care ◽  
Financial Burden ◽  
Bioactive Molecules ◽  
Therapeutic Effects ◽  
Therapeutic Modalities ◽  
Therapeutic Tools ◽  
The Individual

Chronic wounds develop when the orderly process of cutaneous wound healing is delayed or disrupted. Development of a chronic wound is associated with significant morbidity and financial burden to the individual and health-care system. Therefore, new therapeutic modalities are needed to address this serious condition. Mesenchymal stem cells (MSCs) promote skin repair, but their clinical use has been limited due to technical challenges. Extracellular vesicles (EVs) are particles released by cells that carry bioactive molecules (lipids, proteins, and nucleic acids) and regulate intercellular communication. EVs (exosomes, microvesicles, and apoptotic bodies) mediate key therapeutic effects of MSCs. In this review we examine the experimental data establishing a role for EVs in wound healing. Then, we explore techniques for designing EVs to function as a targeted drug delivery system and how EVs can be incorporated into biomaterials to produce a personalized wound dressing. Finally, we discuss the status of clinically deploying EVs as a therapeutic agent in wound care.

Effectiveness of biofilm‐based wound care system on wound healing in chronic wounds

2019 ◽  
Vol 27 (5) ◽  
pp. 540-547 ◽  
Author(s):  
Yukie Mori ◽  
Gojiro Nakagami ◽  
Aya Kitamura ◽  
Takeo Minematsu ◽  
Mikio Kinoshita ◽  
...  
Keyword(s):  
Wound Healing ◽  
Chronic Wounds ◽  
Wound Care ◽  
Care System

Identifying New Pathways and Targets for Wound Healing and Therapeutics from Natural Sources

2021 ◽  
Vol 18 ◽  
Author(s):  
Xinchi Feng ◽  
Jinsong Hao
Keyword(s):  
Wound Healing ◽  
Molecular Mechanisms ◽  
Chronic Wounds ◽  
Wound Care ◽  
Healing Process ◽  
Unmet Need ◽  
Wound Dressings ◽  
Wound Healing Process ◽  
Natural Sources ◽  
Viable Approach

: Chronic wounds remain a significant public problem and the development of wound treatments has been a research focus for the past few decades. Despite advances in the products derived from endogenous substances involved in a wound healing process (e.g. growth factors, stem cells, and extracellular matrix), effective and safe wound therapeutics are still limited. There is an unmet need to develop new therapeutics. Various new pathways and targets have been identified and could become a molecular target in designing novel wound agents. Importantly, many existing drugs that target these newly identified pathways could be repositioned for wound therapy, which will facilitate fast translation of research findings to clinical applications. This review discusses the newly identified pathways/targets and their potential uses in the development of wound therapeutics. Some herbs and amphibian skins have been traditionally used for wound repairs and their active ingredients have been found to act in these new pathways. Hence, screening these natural products for novel wound therapeutics remains a viable approach. The outcomes of wound care using natural wound therapeutics could be improved if we can better understand their cellular and molecular mechanisms and fabricate them in appropriate formulations, such as using novel wound dressings and nano-engineered materials. Therefore, we also provide an update on the advances in the wound therapeutics from natural sources. Overall, this review offers new insights into novel wound therapeutics.

scholarly journals Prevention and therapy of acute and chronic wounds using NPWT devices during the COVID-19 pandemic, recommendation from The NPWT Working Group

2020 ◽  
Vol 7 (2) ◽  
Author(s):  
Tomasz Banasiewicz ◽  
Rolf Becker ◽  
Adam Bobkiewicz ◽  
Marco Fraccalvieri ◽  
Wojciech Francuzik ◽  
...  
Keyword(s):  
Wound Healing ◽  
Chronic Wounds ◽  
Hospital Admissions ◽  
Wound Care ◽  
Care Center ◽  
Management Strategies ◽  
Hospital Staff ◽  
Wound Management ◽  
Health Care Center ◽  
Single Use

Recent SARS-CoV-2 pandemic leading to a rapidly increasing number of hospitalizations enforced reevaluation of wound management strategies. The optimal treatment strategy for patients with chronic wounds and those recovering from emergency and urgent oncological surgery should aim to minimize the number of hospital admissions, as well as the number of surgical procedures and decrease the length of stay to disburden the hospital staff and to minimize viral infection risk. One of the potential solutions that could help to achieve these goals may be the extensive and early use of NPWT devices in the prevention of wound healing complications. Single-use NPWT devices are helpful in outpatient wound treatment and SSI prevention (ciNPWT) allowing to minimize in-person visits to the health care center while still providing the best possible wound-care. Stationary NPWT should be used in deep SSI and perioperative wound healing disorders as soon as possible. Patient’s education and telemedical support with visual wound healing monitoring and video conversations have the potential to minimize the number of unnecessary in-person visits in patients with wounds and therefore substantially increase the level of care.

scholarly journals Safety and Efficacy of Collagen-Based Biological Dressings in the Management of Chronic Superficial Skin Wounds in Non-Complex Trauma: A Post-Marketing Surveillance Study

Trauma Care ◽  
2021 ◽  
Vol 1 (3) ◽  
pp. 195-205
Author(s):  
Francesco De Francesco ◽  
Marialuisa De Francesco ◽  
Michele Riccio
Keyword(s):  
Driving Force ◽  
Complex Trauma ◽  
Chronic Wounds ◽  
Standard Treatment ◽  
Wound Care ◽  
Healing Time ◽  
Therapeutic Tool ◽  
Post Marketing Surveillance ◽  
Superficial Skin ◽  
Post Marketing

Biological dressings such as collagen and hyaluronic acid represent the main advanced tools that plastic surgeons, dermatologists and vulnologists use today to treat chronic wounds or ulcers that do not tend to heal. These types of dressings are important because they create a moist and physiological interface at the wound level, are of natural origin, easy to use, hypo-allergenic, economical and do not create discomfort for the patient during dressing changes. We treated 128 patients (divided into four groups based on type of dressing) with non-complex superficial chronic wounds in comparison with a traditional dressing (fitostimoline gauze or polyurethane foam). We analyzed wound characteristics, healing time, and operator and patient satisfaction. A significantly higher recovery rate was observed in the “Collagen-coated plates” treatment group compared to Standard Treatment. Additionally, a significantly higher probability of recovery was observed compared to the alternative two experimental devices (Collagen-coated plates + HA and Collagen-based spray). However, the main limitation of the randomization of this study is the presence in the “Collagen-based spray” group of localized wounds, mainly in the fingers and hand. No side effects were reported in relation to the procedures or the experimental products. Collagen may be considered as a valuable therapeutic tool in non-complex chronic wounds by virtue of its low immunogenicity, flexibility and applicability in biocompatible scaffolds, and represents driving force toward enhanced wound care.

Evidence for person-centred care in chronic wound care: A systematic review and recommendations for practice

2020 ◽  
Vol 29 (Sup9b) ◽  
pp. S1-S22 ◽  
Author(s):  
Georgina Gethin ◽  
Sebastian Probst ◽  
Jan Stryja ◽  
Natalia Christiansen ◽  
Patricia Price
Keyword(s):  
Systematic Review ◽  
Wound Healing ◽  
Chronic Wounds ◽  
Chronic Wound ◽  
Wound Care ◽  
Patient Knowledge ◽  
Person Centered Care ◽  
Centered Care ◽  
Recommendations For Practice ◽  
The Impact

Background Chronic wounds affect an estimated 2.21 per 1000 population. They are a significant source of morbidity and affect individuals physically, psychologically, socially and financially. Person-centered care is one approach to improve patient outcomes in wound care as it values patients' perspectives, beliefs and autonomy and considers the person as a whole within the cultural context in which care is provided. Aim We aimed to review the evidence on the use of person-centered care (PCC) in chronic wound care management and provide recommendations for practice and future research. Method Using a systematic review methodology, we searched six databases for full-text papers from 2009–2019 published in peer-reviewed journals with no limits on language. Results Eighteen articles on studies involving 3149 patients from nine countries were identified. Studies were conducted under three broad intervention categories: healthcare professional education (n=1); patient education (n=14) and telemedicine (n=3). Studies were equally focused on prevention and treatment of chronic wounds. Significant improvements were reported in patient knowledge, pain and self-care behaviours. Only two studies evaluated the impact on wound healing and one study estimated the cost of implementing person-centered care. Conclusions The evidence base to support PCC in wound management is developing and based on our review has shown improved outcomes in areas of pressure ulcer prevention, patient satisfaction, patient knowledge and quality of life, but clinical outcomes such as wound healing were less well explored. Further research with more objective outcome measures are required.

Role of Nitric Oxide in Wound Healing

2002 ◽  
Vol 4 (1) ◽  
pp. 5-15 ◽  
Author(s):  
Beverly B. Childress ◽  
Joyce K. Stechmiller
Keyword(s):  
Nitric Oxide ◽  
Wound Healing ◽  
Growth Factors ◽  
Animal Studies ◽  
Chronic Wounds ◽  
Current Knowledge ◽  
Wound Care ◽  
Impaired Wound Healing ◽  
Normal Wound Healing ◽  
Age Related

Chronic wounds mainly affect elderly individuals and persons with comorbid diseases due to a compromised immune status. An age-related decline in immune function deters proper healing of wounds in an orderly and timely manner. Thus, older adults with 1 or more concomitant illnesses are more likely to experience and suffer from a nonhealing wound, which may drastically decrease their quality of life and financial resources. Novel therapies in wound care management rely heavily on our current knowledge of wound healing physiology. It is well established that normal wound healing occurs sequentially and is strictly regulated by pro-inflammatory cytokines and growth factors. A multitude of commercial products such as growth factors are available; however, their effectiveness in healing chronic wounds has yet to be proven. Recently, investigators have implicated nitric oxide (NO) in the exertion of regulatory forces on various cellular activities of the inflammatory and proliferative phases of wound healing. Gene therapy in animal studies has shown promising results and is furthering our understanding of impaired wound healing. The purpose of this article is to review the literature on NO and its role in wound healing. A discussion of the physiology of normal healing and the pathophysiology of chronic wounds is provided.

scholarly journals Bionanomaterials: Advancements in Wound Healing and Tissue Regeneration

2021 ◽  
Author(s):  
Priyanka Chhabra ◽  
Kajol Bhati
Keyword(s):  
Wound Healing ◽  
Chronic Wounds ◽  
Wound Care ◽  
Health Care Organization ◽  
Healing Process ◽  
Volume Ratio ◽  
Wound Healing Process ◽  
Care Organization ◽  
Complex Process ◽  
High Degree

Abnormal wound healing represents a major healthcare issue owing to upsurge number of trauma and morbid physiology which ultimately posed a healthcare burden on patient, society and health care organization. A wound healing is a complex process so effective management of chronic wounds is often hard. Recently in addition to many conventional wound treatment’s advances in bionanomaterial are attaining much attention in wound care and skin tissue engineering. Bionanomaterials are biomolecule-based nanocomposite synthesized by plants, microbes and animals which possess high degree of biocompatibility, biodegradability, non-toxicity and bioactive assets. Bioactive assets like antimicrobial, immune modulatory, cell proliferation and angiogenesis of biomolecules forms fortunate microenvironment for the wound healing process. Nature has provided us with a significant set of biomolecules like chitosan, hyaluronic acid, collagen, cellulose, silk fucoidan etc. have been exploited to construct engineered bionanomaterials. These biopolymeric nanomaterials are currently researched comprehensively as they have higher surface to volume ratio and high chemical affinity showing a promising augmentation of deadly wounds. In this chapter we aimed to highlight the biological sources and bioengineering approaches adapted for biopolymers so they facilitate wound healing process.

An audit to assess the impact of prescribing a monofilament fibre debridement pad for patients with unhealed wounds after six months

2021 ◽  
Vol 30 (5) ◽  
pp. 381-388
Author(s):  
Joanna Burnett ◽  
Andrew Kerr ◽  
Margaret Morrison ◽  
Abbe Ruston
Keyword(s):  
Wound Healing ◽  
Chronic Wounds ◽  
Wound Care ◽  
Mechanical Method ◽  
Dry Skin ◽  
Business Services ◽  
Clinical Role ◽  
Show Evidence ◽  
The Impact

A monofilament fibre debridement pad has been found to be a rapid and effective mechanical method of removing dry skin, biofilm and debris from acute and chronic wounds with minimal patient discomfort. Evidence of its impact on prescribing and wound healing, however, has been more limited. The aim of this audit was to show evidence of the monofilament fibre debridement pad's impact on wound treatment costs through an analysis of NHS wound-care prescribing data in England. A dataset for 486 uniquely identified patients who had been newly prescribed the monofilament fibre debridement pad was obtained from the NHS Business Services Authority. All data were anonymised. Costs were identified for the six months before and six months after the month of first prescription of the monofilament fibre debridement pad. The total cost of wound-care prescribing fell by 14% or £101,723 in the six months after the intervention compared with the six months before. The average monthly expenditure per patient fell from £244 before the intervention to £209 (n=486) after. These results indicate that use of the monofilament fibre debridement pad could reduce prescribing costs and the use of antimicrobial and negative pressure therapies. Further research is warranted to investigate the clinical role of the monofilament fibre debridement pad in wound healing

scholarly journals Antlerogenic stem cells extract accelerate chronic wound healing: a preliminary study

2021 ◽  
Vol 21 (1) ◽  
Author(s):  
Janusz Kmiecik ◽  
Michał Jerzy Kulus ◽  
Jarosław Popiel ◽  
Agnieszka Cekiera ◽  
Marek Cegielski
Keyword(s):  
Stem Cells ◽  
Wound Healing ◽  
Chronic Wounds ◽  
Chronic Wound ◽  
Wound Care ◽  
Small Population ◽  
Area Ratio ◽  
Wound Treatment ◽  
Ki 67 ◽  
Pressure Therapy

Abstract Background Chronic wounds constitute a significant medical and social problem. Chronic wound treatment may be supported by various techniques, such as negative pressure therapy, phototherapy or stem cells therapy, yet most of those supporting therapies need more evidence to be used for standard wound care. Current study covers the use of sonicated Antlerogenic Stem Cells (ASC) extract on chronic wounds. Methods Study was performed on 20 dermatological patients with venous leg ulcers, divided into two groups – treated with and without ASC extract respectively. The area and circumference of the wounds during the follow-up visits were measured on the wound imprint. Dynamics of wound healing was determined and compared between control and study group; statistics includes changes in absolute values (wound area, circumference), as well as relative (percentage of wound decrease, circumference/area ratio) and their change in time. For the purpose of Ki-67 immunohistochemical staining, sections were sampled from the wound edge at distinct check-points during therapy. Results of both groups were compared with Student test or Mann-Whitney test, depending on results distribution. Results Besides Ki-67 expression, all tested wound healing parameters (including relative and absolute wound decrease and changes in circumference/area ratio) were statistically significant more favorable in experimental group. Conclusion ASC extract significantly supported standard chronic wound treatment. Due to small population of study the results should be considered preliminary, yet promising for further research.

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