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      Plantas medicinais no processo de cicatrização de feridas: uma revisão de literatura Translated title: Medicinal plants in the wound healing process: a literature review

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          Abstract

          Uma busca foi realizada na literatura, visando sumarizar as pesquisas realizadas e obter informações acerca da utilização de plantas medicinais no processo de cicatrização de feridas. Utilizaram-se os descritores: Plantas Medicinais e Cicatrização de Feridas e seus equivalentes em inglês e espanhol, com o operador booleano "AND" em três bases eletrônicas de dados (PubMed, LILACS e COCHRANE). Foram selecionados 57 artigos para compor a revisão. Os resultados apontam que um total de 52 plantas medicinais e um composto de ervas foram estudados experimentalmente ou clinicamente, quanto aos seus efeitos no auxílio do processo de cicatrização, sendo que a maioria (88,5%) apresentou eficácia. Com isso, verifica-se que a utilização de plantas medicinais trata de importante alternativa no tratamento de feridas, que começa a fazer parte da atenção à saúde brasileira, o que sugere novos estudos de comprovação clínica, custos, e benefícios e a constante atualização acerca das publicações realizadas.

          Translated abstract

          It was done a literature search aiming to sumarize earlier conducted researches and in order to obtain information on the use of medicinal plants in wound healing process. The descriptors used were as follows: Medicinal Plants and Wound Healing and their equivalents in English and Spanish with the Boolean operator "AND" in three electronic databases (PubMed, LILACS and COCHRANE). Fifty seven articles were chosen to compose the review. The findings from a total of fifty two medicinal plants and one herbal compound that were experimentally or clinically studied in respect to their effects in wound healing process indicate that the majority of them (eighty eight point five per cent) showed efficacy. Thus, it can be seen that the use of medicinal plants is an important alternative in wounds treatment that becomes part of Brazilian health care, suggesting further studies of clinical evidence, costs and benefits and constantly updating on produced publications.

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          Revisão sistemática: recurso que proporciona a incorporação das evidências na prática da enfermagem

          A revisão sistemática é um recurso importante da prática baseada em evidências, que consiste em uma forma de síntese dos resultados de pesquisas relacionados com um problema específico. O presente artigo tem como objetivo oferecer subsídios que proporcionem reflexões para a construção e/ou aplicação de revisões sistemáticas no cenário da enfermagem. Fundamentados na literatura, apresentamos as fases que compõem uma revisão sistemática e aspectos relevantes a serem considerados para a utilização desse recurso.
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            Anti-inflammatory and wound healing activity of a growth substance in Aloe vera.

            Aloe vera improves wound healing and inhibits inflammation. Since mannose-6-phosphate is the major sugar in the Aloe gel, the authors examined the possibility of its being an active growth substance. Mice receiving 300 mg/kg of mannose-6-phosphate had improved wound healing over saline controls. This dose also had anti-inflammatory activity. The function of mannose-6-phosphate in A. vera is discussed.
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              Synergistic interaction between Astragali Radix and Rehmanniae Radix in a Chinese herbal formula to promote diabetic wound healing.

              Astragali Radix (AR) and Rehmanniae Radix (RR) are two traditional Chinese medicines widely used in China for treating diabetes mellitus and its complications, such as diabetic foot ulcer. In our previous study, a herbal formula NF3 comprising AR and RR in the ratio of 2:1 was found effective in enhancing diabetic wound healing in rats through the actions of tissue regeneration, angiogenesis promotion and inflammation inhibition. The aims of the present study were to investigate the herb-herb interaction (or the possible synergistic effect) between AR and RR in NF3 to promote diabetic wound healing and to identify the principal herb in the formula by evaluating the potencies of individual AR and RR in different mechanistic studies. A chemically induced diabetic foot ulcer rat model was used to examine the wound healing effect of NF3 and its individual herbs AR and RR. For mechanistic studies, murine macrophage cell (RAW 264.7) inflammation, human fibroblast (Hs27) proliferation and human endothelial cell (HMEC-1) migration assays were adopted to investigate the anti-inflammatory, granulation formation and angiogenesis-promoting activities of the herbal extracts, respectively. In the foot ulcer animal model, neither AR nor RR at clinical relevant dose (0.98g/kg) promoted diabetic wound healing. However, when they were used in combination as NF3, synergistic interaction was demonstrated, of which NF3 could significantly reduce the wound area of rats when compared to water group (p<0.01). For anti-inflammation and granulation formation, AR was more effective than RR in inhibiting lipopolysaccharide (LPS)-induced nitric oxide production from RAW 264.7 cells and promoting Hs27 fibroblast proliferation. In the aspect of angiogenesis promotion, only NF3 promoted cell migration of HMEC-1 cells. AR plays a preeminent role in the anti-inflammatory and fibroblast-proliferating activities of NF3. The inclusion of RR, however, is crucial for NF3 to exert its overall wound-healing as well as the underlying angiogenesis-promoting effects. The results of present study justified the combined usage of AR and RR in the ratio of 2:1 as NF3 to treat diabetic foot ulcer and illustrated that AR is the principal herb in this herbal formula. Copyright © 2012 Elsevier Ireland Ltd. All rights reserved.
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                Author and article information

                Contributors
                Role: ND
                Role: ND
                Role: ND
                Role: ND
                Role: ND
                Role: ND
                Journal
                rbpm
                Revista Brasileira de Plantas Medicinais
                Rev. bras. plantas med.
                Sociedade Brasileira de Plantas Medicinais (Botucatu, SP, Brazil )
                1516-0572
                1983-084X
                September 2014
                : 16
                : 3
                : 628-636
                Affiliations
                [01] Pelotas RS orgnameUniversidade Federal de Pelotas orgdiv1Faculdade de Enfermagem orgdiv2Programa de Pós-graduação em Enfermagem Brasil
                Article
                S1516-05722014000300020
                10.1590/1983-084X/12_178
                61608a38-b99b-4b00-9ddb-da13ece196bd

                This work is licensed under a Creative Commons Attribution 4.0 International License.

                History
                : 24 March 2014
                : 11 December 2012
                Page count
                Figures: 0, Tables: 0, Equations: 0, References: 70, Pages: 9
                Product

                SciELO Brazil

                Categories
                Revisão

                extratos vegetais,fitoterapia,saúde pública,cicatrização,plant extracts,phytotherapy,public health,wound healing

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