Five dogs were used to determine whether 0.1% tacrolimus ointment application for one day would inhibit IgE-mediated late-phase reactions (LPRs). It was consisted of three periods: one period without therapeutic administration (control) and two periods of treatment with either the tacrolimus ointment or vehicle. Induction of IgE-mediated LPRs was induced by intradermal injections of 0.05 ml (0.14 mg/ml) of solution of goat anti-canine IgE polyclonal antibodies. Each section for mast cells (MCs) and eosinophils (EPs) was stained with acidified toluidine blue, and Luna's stain, respectively. Assessment of anti-inflammatory effect of tacrolimus ointment composed of cell counts of MC and EP from lesions of induced LPR. In normal canine biopsies, the number of dermal MCs and EPs were $12.3{\pm}1.4cells/mm^2$ and $3.1{\pm}1.3cells/mm^2$, respectively. MC counts dramatically decreased at time dependent manner after anti-IgE administration. However, the number of MCs on 6 hours after challenge was significantly less decreased in the groups treated with the tacrolimus, as compared with control and vehicle group. The number of EPs on 24 hours after challenge was significantly lower in the group treated with the tacrolimus than in the control and vehicle groups. In conclusion, this study revealed that 0.1% tacrolimus ointment in dogs may exert a potent anti-inflammatory effect on inhibition of MC degranulation and also secondary prevention of EP infiltration during LPR.
Journal of the Korean Society of Food Science and Nutrition
/
v.38
no.2
/
pp.160-165
/
2009
Contact dermatitis is induced by allergy response from a lot of chemical substances brought on by environmental contamination. In this study, we investigated allergy prevention effect of baicalein which is Scutellaria radix extract. Scutellaria radix is the dried roots of Scutellaria baicalensis Georgi (Labiatae). It has been used in oriental traditional medicine for treatment of fever, diarrhea and inflammation. We have induced allergy by PCL after oral administration of 0 mg/kg, 50 mg/kg or 100 mg/kg baicalein dose for 8 times during 8 days in BALB/c mice and measured ear thickness, IgE level, histamine level, mast cell number and histopathological changes. The ear thickness of the 100 mg/kg baicalein group was thinner than that of the 0 mg/kg baicalein group. IgE level and histamine level of the 100 mg/kg baicalein group were lower than those of 0 mg/kg baicalein group. The number of mast cells of 0 mg/kg baicalein group more than that of 100 mg/kg baicalein group in the ear tissue. In addition, intradermal edema with prominent inflammatory cell infiltration was observed at 0 mg/kg baicalein group more than 100 mg/kg baicalein group in the ear tissue. These results suggest that baicalein has allergy prevention effect in BALB/c mice.
Fascioliasis in cattle is one of the most common and very serious trematode diseases in Korea. In the present study, the enzyme linked immunosorbent assay (ELISA) was applied in the diagnosis of fascioliasis using antigen of Fasciela hepatica, perokidase of conjugate anti-cattle Is G and orthophenylenediamine as a substrate by micro-method technique of Volley et at. (1976b) and MacLaren (1978) with a slight modification. Results obtained from the present study are as follows. 1. In assay for optimal dilution of stock antigen, the antigen (protein contents; 0. Bmgymz) was diluted from 1150 to 1/600 with carbonate buffer (pH 9.6), and then absorbance values were measured with 1/100 diluted sera. The regression equations between the OD values of ELISA and dilution of antigen were log Y: -0.181-0.00127X in infected sera, and log Y: -0.578-0. 000879X in normal sera. The significantly higher (p<0.05) OD value was observed in the former. 2. In assay for optimal dilution of sera, the sera were diluted from 1125 to 1/400 with in PBSJ Tween 20 (pH 7.4), and absorbance values were measured with 1/200 diluted antigen. The regression equation between the OD values of ELISA and dilution of sera were log Y: -0.1540-0.0007238X in infected sera and log Y: -0.4834-0.00116X in normal sera. The former was higher than the latter (p<0.05). 3. In the 27 cases of negative intradermal test, OD values of the ELISA are $0.447{\pm}0.144$, the 95% confidence interval (Mean+2 H SD) of the values was 0.735, and there was no case over the values. Therefore, the sensitivity of the antigen to diagnose fascioliasis was 100% in the negative case. The OD value 0.7 which is designed as a criterion (detection level of positive one) is useful for the performance of the ELISA in fascioliasis. 4. According to the OD value of criterion in the regression equations, the optimal dilutions of stock antigen and serum were 1/250 and 1/100, respectively. 5. In the 58 cases of fascioliasis from which the adult could be found in the bile ducts, the OD value was $0.846{\pm}0.224$. The 75% (44 cattle) among them had higher value with compared to the criterion, and the 60% (20 cattle) of the cases of proliferative cholangitis of 33 cattle which had been infected previousely with Fasciola sp. is higher than the criterion. 6. Prevalence of fascioliasis was 43.4% in the application of the ELISA to 272 cattle which were reared in Jeonbug district.
In order to determine the epidemiological pattern of the Paragonimus westermani, the infestation rates for the cercarial and metacer-carial larvae of digenetic trematodes in the snail and crayfish hosts, and the prevalence of Paragonimus westermani among the residents in the vicinity of the stream Namdae, Wyangpi, and Kwang, in the Ulchin county, Kyungpook Province were studied from March to October in 1984. The population density of the snails per square meter of the habitats ranged from 5 to 25, with an average of 15. Among the seven habitats, one, Ducheon, had snails infested with the cercariae of Paragonimus westermani, and the proportion of infested snails was very low, the average being 0.152 per thousand. Of six hundred and four crayfish examined, 113 or 18.7 per cent harboured the encysted larvae of Paragonimus westermani. A high infestation rate for the metacercariae in the crayfish was found in two habitats; 39.0 per cent in the Ducheon and 21. 6 per cent m the Sokwang. The prevalence of Paragonimus westermani among the residents in Ulchin county was relatively high, 25.8 per cent by the Paragonimus intradermal tests, and the difference in the rate of infection between males and females was found to be significant (t>2). The results obtained in this study indicate that endemic foci of Paragonimus westermani exist in Ulchin county and the prevalence of this lung fluke among the residents is relatively high.
Journal of Physiology & Pathology in Korean Medicine
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v.20
no.2
/
pp.365-371
/
2006
Bee Venom aqua-acupuncture (BVA) simultaneously exerts pharmacological effects of biologically active compounds, existed in the whole bee venom, and medicinal effect of the stimulation of acupuncture points. BVA has been considered as a promising therapeutic method for treating various chronic diseases, mainly accompanying severe pain and inflammation. As a painless injection device, jet injectors have been commercially marketed for various clinical applications including insulin injection and vaccination. Among them, a pressure-driven jet injector system could be used for intradermal delivery of a variety of drugs. The aim of this study was to investigate the analgesic effects of the BVA using a needle-free injector (Biojector $2000^{\circledR}$, Bioject Inc., OR, USA), compared to the conventional BV aqua-acupuncture using a typical syringe. Adult Sprague-Dawley rats were injected with bee venom $(0.08mg/kg,\;50{\mu}l)$ using Biojector $2000^{\circledR}$ (BVA-B) or a syringe (BVA-5) into the Zusanli (ST36) acupoint, 30 minutes before plantar injection of 2% formalin. It was found that BVA-B-, or BVA-5-treated rats, compared to controls, exhibited significantly less licking behavior during the late phase in the rat formalin test, when compared to controls. During early phase, however, those effects were not significant but substantial. The analgesic effect of BVA-B was also compatible with that of the conventional BVA-5. In the immunohistochemical studies, BVA-B significantly suppressed the expression of formalin-evoked c-fos, a biomarker of neuronal activity, in the lumbar dorsal horn of the spinal cord. These results indicated that BVA-B waseffective in the modulation of pain in the rat formalin test, compared to BVA-5. Taken together, the needle-free jet injector system could be substituted for the conventional aqua- acupuncture with the advantage of little pain.
Journal of the Korean Society of Food Science and Nutrition
/
v.39
no.8
/
pp.1213-1219
/
2010
We evaluated the anti-aging potential and safety of black garlic extract for cosmeceutical ingredient. Black garlic was made by spontaneous fermentation for 40 days at $60{\sim}70^{\circ}C$, 85~95% RH without any additives. The 10% black garlic extract had sweet odor, antioxidant activities and inhibitory activities of skin againg enzymes such as tyrosinase and elastase. The skin safety was performed to evaluate of potential toxicity using the primary irritation test and skin sensitization test. The black garlic extract did not show any adverse reactions such as erythema and edema on intact skin sites at primary irritation test, but on abraded sites, some experimental animals showed very slight erythema. So, the black garlic extract was classified as a practically non-irritating material based on the score 0.23 of primary irritation index. The skin sensitization study was tested by the guinea pig maximization test (GPMT) and Freund's complete adjuvant (FCA) with intradermal injection of 10% black garlic extract. The skin sensitization test showed no skin sensitization. The allergic sensitization depends on tumor necrosis factor-$\alpha$ (TNF-$\alpha$) and interleukin-6 (IL-6). The concentration of IL-6 on challenged tissue of treated with black garlic extract was not significantly different with negative control group (saline treated group). Based on this study, the potential for black garlic as a cosmeceutical ingredient was proven.
This crossover study was performed in order to compare the effects of cetirizine, loratadine, and terfenadine in canine skin. Five healthy dogs were used. Cetirizine 0.5 mg/kg, loratadine 5 mg/kg and terfenadine 5 mg/kg were administered orally 4 hours before the experiment. Erythema indices and wheal size were assessed by Hexameter ($MX^{\circledR}$ 18, CK, Germany) and skin reaction guide, respectively. Cetirizine-induced erythema inhibition was generally higher than other drugs and was significantly different from placebo. Cetirizine was superior to placebo at 3, 4, 5, 6, 7, and 8 minutes (p< 0.01). Cetirizine also was superior to placebo at 9 minutes (p< 0.05). Loratadine and terfenadine erythema inhibition were better than after placebo treatment from 4 to 9 minutes, but erythema index of terfenadine at 7 minutes was not observed probability of 95% and 99%. At 10 minutes, intradermal injection of the histamine caused a mean wheal dimension for placebo, cetirizine, loratadine and terfenadine, which were 13.25$\pm$0.75 mm,7.5$\pm$ 1.02 mm (53% reduction, p<0.007),6.2$\pm$0.58 mm(43% reduction, p <0.01), and 8.4 $\pm$0.67 mm(37% reduction, p< 0.05), respectively, comparing with placebo. Loratadine and cetirizine were good antihistamines for clinical therapy for atopic dermatitis in dog.
Lee Han-Chang;Yeom Mijung;Kim Gun-Ho;Shim In-Sop;Choi Kang-Duk;Lee Hye-Jung;Hahm Dae-Hyun
Journal of Physiology & Pathology in Korean Medicine
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v.17
no.2
/
pp.346-351
/
2003
The current studies investigated the therapeutic effects of Ephedra sinica Stapf (ES) herb-acupuncture on the inflammatory responses of rat arthritic joint, which was induced by the intradermal injection of heat-killed Mycobacterium tuberculosis emulsified in squalene to the base of the tail. The measurements of body weight and articular index were exploited as the assessment methods addressing arthritic symptoms, and the expression profiles of cytokines such as TNF-α, IL-1β and IL-6 in the rat joint were analyzed using RT-PCR. The articular indexes of arthritic rats were significantly restored after the treatment with ES herb-acupuncture. Although the clinical symptoms of arthritic rats were apparently alleviated by the ES treatments, their body weights were not recovered. It maybe due to the weight-loss and energy enhancement effects of ES extracts. The expression of TNF-α, IL-1β and IL-6 genes, which were highly stimulated in the knee joints of arthritic rats, were restored to the levels of normal rats after the ES treatment. The therapeutic effect of ES herb-acupuncture was not observed in ES-treated, non-acupoint arthritic group as a sham control. The ES herb-acupuncture into an acupoint ST36 was found to be effective in alleviating the arthritic symptoms in adjuvant-induced arthritis rats as regards the body weight, joint appearance and the expression profiles of inflammatory cytokines.
Lee, Hyun Jung;Sun, Gyu Geun;Na, Kyung Hee;Park, Sun Young;Kim, Eun Young;Kim, Kyoung Sim;Kim, Yong Wook;Kim, Suk Il
Pediatric Infection and Vaccine
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v.9
no.2
/
pp.222-229
/
2002
Human infection with the lung fluke Paragonimus westermani has become rare in Korea. Human paragonimiasis is caused by eating raw fresh-water crayfishes or crabs infected with larval metacercariae. Recently, we experienced three cases of pulmonary paragonimiasis in a family. They ate raw fresh-water crayfishes that lived in a stream in Wolchulmountain. All the parients had hypereosinophilia and pulmonary infiltrates with pleural effusion or hydropneumothorax, which did not improve on antibiotics. Ingestion of raw crayfishes was a clue for paragonimiasis. Positive results were shown both on intradermal skin test and ELISA for Paragonimus westermani specific IgG. After treatment with praziquantel, the patients showed an improvement. This is the first familial human paragonimiasis, reported from Wolchulmountain in Chonnam Province where there had been no previous cases of paragonimiasis.
Kim, Young Seok;Lee, Chae Su;Yoo, Won Min;Tark, Kwan Chul
Archives of Plastic Surgery
/
v.35
no.4
/
pp.360-366
/
2008
Purpose: Botulinum toxin type A(BoTA) can block the release of vasoconstriction cotransmitters as well as acetylcholine in nerve terminal. The authors observed that BoTA increases flap survival by preventing sympathetic collapse of peripheral vessels. Methods: 10 Sprague Dawley rats were divided into control(n=5), and BoTA group(n=5). $3{\times}10cm$ sized random pattern cutaneous flaps were elevated on the dorsal side in both groups. In BoTA group, BoTA was injected into the flap via intradermal to subdermal route, 7 days before the flap elevation. Flap survival rates (survival area/total area) were measured 7 days after the elevation. Cutaneous blood flow was measured in proximal, middle and distal compartments of the flap using laser Doppler flowmetry initially, preoperatively, at immediate postoperation, and 7 days after flap elevation, respectively. Histological examination was performed 7 days after the flap elevation. The number and shape of the vessels were evaluated under microscope. Results: Mean flap survival was $53.18{\pm}6.58%$ in control group and $93.79{\pm}6.06%$ in BoTA group, displaying statistically significant difference(p=0.0008, p<0.05). In the control group, blood flow to the middle and distal compartments of the flap decreased significantly immediately after flap elevation. In the BoTA group, blood flow to the middle compartment did not decrease(p=0.002) and slightly decreased in the distal compartment(p=0.001). Cutaneous blood flow was significantly higher in all compartments of the flap in BoTA group than in control group, 7 days after the flap elevation. In histopathologic examination, greater number of vessels were noted in the BoTA group than in the control group. Conclusion: Botulinum toxin A can increase the survival of the random pattern cutaneous flap in rats by preventing the sympathetic collapse of peripheral vessels.
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