• 디지털융복합연구
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• 제17권8호
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• pp.257-264
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• 2019

본 연구는 부채마 70% 에탄올 추출물(DR)이 RBL-2H3 마스트 세포에서 항원에 의한 세포활성의 영향과 BALB/c 쥐에서 dinitrofluorobenzene에 의해 유도된 마스트 세포-매개 알레르기 접촉성피부염에 미치는 영향을 조사했다. DNP-HSA 항원과 Anti-DNP IgE 항체에 의해 활성 된 RBL-2H3 세포에서 에탄올 추출물은 급성 항원반응 표지인 ${\beta}$-hexosaminidase 분비와 히스타민 등을 억제하였고, 후기 항원반응 표지인 IL-4와 $TNF-{\alpha}$ 생성을 억압하였다. DNFB-유도 접촉성 알러지성 피부염 동물 모델에서 에탄올 추출물 처리는 귀 부기를 감소시키고 혈청 히스타민과 IL-4 분비를 억제시켰으며, DR 처리는 피부염 유발 부분에서 마스트 세포 유입을 효과적으로 방지하였다. 이러한 결과로, 에탄올 추출물은 아토피 피부염과 같은 마스트 세포-매개 알러지성 질병의 치료제로 사용할 수 있을 것이다.

• Preventive Nutrition and Food Science
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• 제17권1호
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• pp.14-21
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• 2012

The purpose of this study was to investigate the anti-allergy activities of persimmon leaf extract (PLE) on a phthalic anhydride (PA)-induced allergic mouse model. A human leukemic mast cell line (HMC-1) was used to examine the inhibitory activity of PLE on the histamine release by human leukemic mast cells. PLE inhibited histamine release from HMC-1 cells in response to cross-linkage of high-affinity IgE receptor-${\alpha}$ ($Fc{\varepsilon}RI{\alpha}$). Additionally, a PA-induced allergic mouse model was used to investigate the effects of PLE in vivo. Mice were orally administrated with or without PLE of single dose (250 mg/kg/day) for 31 days. Oral intake of PLE significantly inhibited passive cutaneous reactions. Oral administration of PLE to PA-induced allergic mice also led to a striking suppression of the development of contact dermatitis, ear swelling and lymph node weight. In addition, PA-specific IL-4 production of draining lymph node cells was markedly diminished by PLE oral administration, but not IFN-${\gamma}$. Furthermore, PLE treatment suppressed PA-induced thymus and activation-regulated chemokine (CCL17) and cutaneous T cell-attracting chemokine (CCL27) expressions in ear tissues. Based on these results, we suggest that PLE may have therapeutic potential as an effective material for management of irritant contact dermatitis or related inflammatory diseases.

• 한국자원식물학회지
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• 제24권4호
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• pp.430-437
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• 2011

본 연구에서는 DNCB에 의해 인위적으로 접촉피부염을 유발시킨 후 천궁추출물을 표피에 처리하여 피부표면, 피부두께, 혈장내 성분, 혈장내 IgE 농도 및 항산화효소을 조사하여 표피의 회복능에 미치는 효과를 조사하였다. 천궁추출물은 DNCB에 의해 유발된 알레르기성 접촉피부염에 도포 시에 환부의 피부염이 급격히 호전되었으며, 피부표면은 정상군에 비교될 정도로 각질이 없어진 깨끗하고 매끄러운 상태로 되었으며, 표피층의 두께도 점차 정상군과 같은 상태로 회복되고 있는 것으로 관찰되었다. 또한 알레르기성 접촉피부염이 유발되어 체내 지질함량이 급격히 증가된 경우 지질함량을 낮춰 정상수준으로 회복시키는 지질함량의 개선에 효과적으로 작용하고 있으며, 직접적으로 혈액 내 IgE 수준의 감소에 관여하여 피부의 과민반응 해소에 관여할 것으로 생각된다. SOD와 catalase의 활성은 천궁추출물의 처리에 의해 정상군 수준으로 낮아지는 경향을 보이고 있어 항산화 효소의 활성을 낮춰 정상수준으로 회복시켜주는 효과를 갖는 것으로 생각된다. 결론적으로 천궁 추출물은 알레르기성 접촉피부염의 회복에 매우 효과적으로 작용하는 천연 유용자원으로 이용할 수 있을 것으로 생각된다.

• 동의생리병리학회지
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• 제36권1호
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• pp.23-27
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• 2022

This study aims to evaluate the anti-inflammatory effect of 80% ethanol extracts of Stachys affinis (MQ) on 1-fluoro-2,4-Dinitrofluorobenzene (DNFB) induced atopic dermatitis (AD) in Balb/c mice. AD-like allergic contact dermatitis was induced by challenge of DNFB on the ear after DNFB sensitization on the back sides of mice. MQ alleivated clinical severity in AD-like skin lesions. In addition, ear thickness of epidermis and penetration of inflammatory cells in AD-like skin lesions were decreased by topical application of MQ. The the serum levels of tumor necrosis factor-α (TNF-α) and interleukin-4 (IL-4) were measured in AD mice using ELISA kits. Levels of TNF-α and IL-4 in serum were significantly decreased by topical application of MQ. Therefore, this study could give a clinical basis that MQ could be a agent to prevent AD.

• 성인간호학회지
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• 제19권4호
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• pp.634-643
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• 2007

Purpose: This study was performed to investigate the type and frequency of end colostomy-related complications and to identify the risk factors for those complications. Methods: Retrospective analysis of medical records was made in 708 patients who underwent end colostomy in Samsung Medical Center between October 1994 and February 2005. The type was divided into stomal and peristomal complications: stomal complications included bleeding, necrosis, mucocutaneous separation, prolapsed stoma, retraced stoma, stenosis, and hyperplasia; peristomal complications did peristomal varix, peristomal hernia, irritant contact dermatitis, allergic contact dermatitis, maceration, folliculitis, hyperplasia, bacterial infection, candidal infection, malignancy in the peristomal area, mechanical damage and pyoderma gangrenosum. Results: For stomal complications, hyperplasia was most common(9.0%). For peristomal complications, irritant contact dermatitis was developed in 17.4%. Sex and BMI were risk factors for irritant contact dermatitis, hyperplasia, peristomal hernia, flat stoma, and retracted stoma. Conclusion: Teaching for preventing irritant contact dermatitis such as proper pouching and peristomal skin protection, and for comprehensive weight control should be emphasized on self care program for ostomates, while ostomy care nurse should take a careful consideration of preoperative ostomy site marking in female obese patients.

• 대한한의학회지
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• 제32권4호
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• pp.159-166
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• 2011

Objectives: This study reports using Hyungbangsabaksan to cure Soyangin Yangdokbalban (陽毒發斑) appealing Systemic Allergic Contact Dermatitis. Methods: After diagnosing the patient showing Papuloerythematous with no blisters in the body as a Soyangin Yangdokbalban (陽毒發斑), we prescribed the patient with Hyungbangsabak-san. We compared the condition of the patient before and after medication with photo shots. Results: After treatment, Papuloerythematous which was seen with the naked eye disappeared and various skin symptoms such as itching and warmth in the flare area also improved. Conclusions: After treatment, the symptoms of the patient who after eating lacquer chicken showed improvement.

• 대한본초학회지
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• 제28권6호
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• pp.25-29
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• 2013

Objectives : The dried root of Sophora flavescens Aiton have been used to treat patient with skin diseases such as eczema in Eastern countries. S. flavescens can clear away heat and dry dampness and purge sthenic-fire from the liver and gallbladder. Recently, anti-allergic effect of S. flavescens has been reported. However, the effect on skin condition of contact dermatitis still remains unknown. Thus, the purpose of this study is to evaluate the efficacy of S. flavescens on contact dermatitis. Methods : In order to investigate the effects of S. flavescens (methanol extract of S. flavescens, MESR) on skin condition, the contact dermatitis was induced in mice skin by using 1-fluoro-2,4-dinitrofluorobenzene (DNFB). As the effective endpoints, skin thickness, skin weight, histopathological change were checked. In addition, effects on skin lesion, body weight and spleen/body weight ratio were also investigated. Results : Topical application of MESR ($500{\mu}g/day$) lowered skin thickness (P < 0.05) and skin weight (P < 0.05), respectively. MESR-treated group showed diminished spongiosis and immune cell infiltration in skin tissues compared to those of non-treated control group. The inhibition of skin lesions was also observed in MESR-treated group. In addition, MESR did not affect body weight gain and spleen/body weight ratio in contrast with those in dexamethasone-treated group. Conclusion : These data suggest that Sophorae Radix could improve skin lesion of contact dermatitis. This indicates the possibility for Sophorae Radix to be used to patients with skin diseases such as contact dermatitis.

• 생명과학회지
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• 제19권10호
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• pp.1444-1450
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• 2009

본 연구를 통해 BALB/c 마우스에서 quercetin의 경구투여가 PCL로 유도된 접촉성 피부 알레르기의 예방에 미치는 효과에 대해 알아보았다. Quercetin을 투여 농도에 따라 대조군(0 mg/kg), 저용량군(50 mg/kg), 고용량군(100 mg/kg)으로 나누고 8일에 걸쳐 총 8번 경구투여를 실시한 후 알레르기 유발물질인 PCL을 마우스의 양쪽 귀에 감작시켜 접촉성 피부 알레르기를 유발 시켰다. Quercetin의 투여 농도별 ear swelling 변화를 확인한 결과 quercetin을 투여하지 않은 대조군에 비해 quercetin을 투여한 군의 ear swelling 증가폭이 낮게 나타났고, 100 mg/kg (고용량군)에서 농도 유의적으로 ear swelling의 증가폭이 현저히 낮게 나타났다. Quercetin의 투여 농도에 따른 혈청 내 염증성 매개 물질의 농도 변화를 알아보기 위한 IgE 및 histamine level 측정 결과에서 quercetin을 투여하지 않은 대조군에 비해 quercetin을 투여한 50 mg/kg (저용량군), 100 mg/kg (고용량군)에서 낮은 수준의 IgE, histamine 수치가 나왔다. H&E염색과 Toluidine blue stain을 통한 조직병리학적 검사결과에서 quercetin을 투여한 고용량군의 귀 두께가 대조군에 비해 얇게 관찰되었고, 비만세포의 유무를 알아보기 위한 Toluidine blue stain의 결과 대조군에 비해 고용량군에서 적은 수의 비만세포들이 관찰되었다. 따라서 ear swelling과 IgE, histamine level, 조직병리학적 결과를 종합해 봤을 때 식물성 flavonoid 성분인 quercetin은 접촉성 피부 알레르기의 예방에 상당한 효과가 있다고 판단되며, 부작용이 발생하는 기존의 치료제를 대체할 수 있는 후보 물질로써 중요한 가치가 있다고 사료된다.

• 한방안이비인후피부과학회지
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• 제24권3호
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• pp.1-16
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• 2011

Objective : In the theory of Korean medicine, Scrophulariae Radix (SR) can clear away heat and cool the blood, nourish yin and promote the production of the body fluids, relieve toxin and benefit the throat. The present study was carried out to investigate effects of SR on allergic contact dermatitis (ACD) induced by 2,4-dinitrochlorobenzene (DNCB) in mice. Methods : In this experiment, effects of SR on clinical aspects on the skin, histopathological changes such as spongiosis, mast cell distribution, immune cell infiltration in tissue, spleen / body ratio and production levels of serum cytokines were investigated in vivo. In addition, effects on cell viability and release of b-hexosaminidase and histamine were also investigated in vitro. Results : SR treatment diminished erythema, desquamation and keratosis which were induced by repeated painting of DNCB. Spongiosis and edema were diminished by painting of SR in histopathological observation, infiltrations of mast cell and monocytes were also decreased in SR group. In addition, spleen / body ratio was lowered compared to ADC control group. Production level of IFN-${\gamma}$ in serum was decreased, but level of IL-4 did not affected by SR. Finally, more than 400 ${\mu}g/ml$ of SR treatment groups showed decreased cell viabilities in RBL-2H3 cells. Treatment with over 200 ${\mu}g/ml$ of SR decreased b-hexosaminidase release, and treatment with over 400 ${\mu}g/ml$ decreased histamine release in vitro. Conclusion : these data suggest that SR can decrease symptoms of ACD, then SR is useful to treat patient with ACD.

• Biomolecules & Therapeutics
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• 제32권1호
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• pp.136-145
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• 2024

People with obesity maintain low levels of inflammation; therefore, their exposure to foreign antigens can trigger an excessive immune response. In people with obesity or allergic contact dermatitis (ACD), symptoms are exacerbated by a reduction in the number of regulatory T cells (Tregs) and IL-10/TGF-β-modified macrophages (M2 macrophages) at the inflammatory site. Benefits of intermittent fasting (IF) have been demonstrated for many diseases; however, the immune responses regulated by macrophages and CD4⁺T cells in obese ACD animal models are poorly understood. Therefore, we investigated whether IF suppresses inflammatory responses and upregulates the generation of Tregs and M2 macrophages in experimental ACD animal models of obese mice. The IF regimen relieved various ACD symptoms in inflamed and adipose tissues. We showed that the IF regimen upregulates Treg generation in a TGF-β-dependent manner and induces CD4⁺T cell hypo-responsiveness. IF-M2 macrophages, which strongly express TGF-β and inhibit CD4⁺T cell proliferation, directly regulated Treg differentiation from CD4⁺T cells. These results indicate that the IF regimen enhances the TGF-β-producing ability of M2 macrophages and that the development of Tregs keeps mice healthy against ACD exacerbated by obesity. Therefore, the IF regimen may ameliorate inflammatory immune disorders caused by obesity.