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1.
Chinese Journal of Burns ; (6): 117-121, 2020.
Artigo em Chinês | WPRIM | ID: wpr-799485

RESUMO

Objective@#To explore the effects of recombinant human granulocyte macrophage colony stimulating factor (rhGM-CSF) gel on treatment of thefull-thickness frostbite wounds on foot and hand.@*Methods@#From November 2013 to April 2017, a total of 45 patients of 71 full-thickness frostbite wounds on foot and hand meeting the inclusion criteria were admitted to the First Hospital of Jilin University and the prospective randomized controlled study was done. The patients were divided into rhGM-CSF group of 24 patients with 35 wounds and control group of 21 patients with 36 wounds according to the random number table. There were 20 males and 4 females, aged (38±13) years among patients in rhGM-CSF group, and there were 19 males and 2 females, aged (36±14) years among patients in control group. Patients in 2 groups were performed with the same systemic treatment of rewarming, anti-inflammation, pain relief, anti-infection, anti-coagulation, and thrombolysis. Wounds of patients in rhGM-CSF group and control group were respectively treated with rhGM-CSF gel and aloe vera gel for external usage with 10 mg for every square centimeter and dressing change once every 24 hours, until wounds healed completely. The wound inflammatory response was scored on treatment day (TD) 1, 3, 7, 14, wound secretion was collected for bacteria culture and positive bacteria detection rate was calculated before treatment and on TD 6 and 12, adverse drug reaction after drug use was observed, and the complete wound healing time was recorded. Data were processed with Fisher′s exact probability test, analysis of variance for repeated measurement, t test, and Bonferroni correction.@*Results@#The scores of wound inflammatory response of patients in 2 groups on TD 1 and 3 were close (t=0.37, 2.93, P>0.05). The scores of wound inflammatory response of patients on TD 7 and 14 in rhGM-CSF group were significantly higher than those in control group (t=5.77, 5.83, P<0.01). The results of bacteria culture of wound secretion of patients in 2 groups before treatment were negative. The positive bacteria detection rates of wound secretion of patients in rhGM-CSF group on TD 6 and 12 were 5.71% (2/35) and 22.86% (8/35), which were slightly lower than 13.89% (5/36) and 30.56%(11/36) in control group respectively, but there was no significantly statistical difference (P>0.05). No adverse drug response occurred in patients in rhGM-CSF group, while 1 patient in control group had adverse drug response, with symptoms of redness and swelling of wounds and patchy erythema on skin around wounds, which were alleviated by irrigating with normal saline. The complete wound healing time of patients in rhGM-CSF was (12.3±0.5) d, which was significantly shorter than (16.5±0.8) d in control group (t=24.89, P<0.05).@*Conclusions@#The topical rhGM-CSF gel has effects of shortening time of wound healing and reducing inflammatory response of wound on treatment of full-thickness frostbite wounds on foot and hand, which is safe in clinical application.

2.
Int J Biol Macromol ; 51(3): 201-8, 2012 Oct.
Artigo em Inglês | MEDLINE | ID: mdl-22575392

RESUMO

In order to screen better flavone prescriptions of anti-Newcastle disease virus (NDV), four flavone ingredients of epimedium flavones (EF), baikal skullcap root flavones (BSRF), wild dendranthema flower flavones (WDFF), and sanchi flavones (SF) screened in previous experiments and their prescriptions were added into chicken embryo fibroblast monolayer with three drug-adding modes respectively. The cellular A(570) values, the highest virus inhibitory rates and the score based on virus inhibitory rate were calculated to compare their antiviral activity. In immune protective test, the effects of three preparations (EF-BSRF, EF-SF-WDFF-BSRF and EF-WDFF-BSRF screened by the results in vitro experiment) on NDV infection were compared in chickens vaccinated with ND vaccine then challenged with NDV. Blood was regularly sampled for serum antibody titer determination. The pathogenic and dead statuses of chickens were clinically examined. The results indicated that the A(570) values of the nine prescriptions, especially the foresaid three prescriptions at almost all concentrations in three drug-adding modes were significantly higher than that of the virus control group. The foresaid three prescriptions presented at the top five of the highest virus inhibitory rate, and located at the highest three of the score rank. The antibody titers and protective rates of the three prescriptions groups were higher than that of VC group, especially EF-SF-WDFF-BSRF group showed significant difference. These results indicated that flavone prescriptions composed with suitable compatibility could possess synergistical action of antiviral effect, ES-SF-WDFF-BSRF prescription could inhibit the cellular infectivity of NDV, improve the protective effect of ND vaccine and would be expected to exploit into a new-type antiviral drug.


Assuntos
Antivirais/farmacologia , Flavonas/farmacologia , Doença de Newcastle/prevenção & controle , Vírus da Doença de Newcastle/efeitos dos fármacos , Vírus da Doença de Newcastle/imunologia , Vacinas Virais/imunologia , Animais , Anticorpos Antivirais/sangue , Anticorpos Antivirais/imunologia , Embrião de Galinha , Galinhas/imunologia , Galinhas/virologia , Masculino , Extratos Vegetais/farmacologia
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