• Title/Summary/Keyword: 염증성 장질환

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The Effect of Mineral-induced Alkaline Reduced Water on the DSS-induced Acute Inflammatory Bowel Disease Mouse Model (알칼리환원수 음용이 급성 염증성장질환 생쥐 모델에 미치는 영향)

  • Jin, Dan;Kim, Dong-Heui;Teng, Yung-Chien;Xufeng, Qi;Lee, Kyu-Jae
    • Applied Microscopy
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    • v.38 no.2
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    • pp.81-87
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    • 2008
  • Alkaline reduced water (ARW) has been used for drinking widely in several countries of Asia. The safety and clinical effects of ARW has been reported including anti-oxidative effect and intestinal abnormal fermentation. To confirm the effect of ARW on DSS-induced acute inflammatory bowel disease (IBD) mouse model, we observed the length of total large intestine and the histopathological changes after supplying mineral induced-ARW (MARW) for 2 weeks and oral administration of 4% DSS (dextran sulfate sodium). As the result, the length of total large intestine and the disease scores by macro and microscopical access in the ARWsupplied group showed no significant differences compared with those in the control group. This result suggests that the supply of ARW for 2 weeks exerted no effect on amelioration in the DSS-induced acute IBD model. However, in consideration of the effect of ARW on the improvement of intestinal environment and gastrointestinal disease, this result seems that acute IBD animal model is not suitable or the period of ARW supply is not enough to prove the effect of ARW. The ameliorative effect of ARW on the intestinal abnormal fermentation has been confirmed by some researchers, but the precise mechanism also remain unclear. In conclusion, although MARW had no effect on the DSS-induced acute experimental colitis model, further studies on the verification of the effects of ARW by using other intestinal disease model and by long-term supply of ARW will be required. Also, It needs to clear the mechanism of ARW on the intestinal environment.

Tissue Distribution of HuR Protein in Crohn's Disease and IBD Experimental Model (염증성 장질환 모델 및 크론병 환자에서의 점막상피 HuR 단백질의 변화 분석)

  • Choi, Hye Jin;Park, Jae-Hong;Park, Jiyeon;Kim, Juil;Park, Seong-Hwan;Oh, Chang Gyu;Do, Kee Hun;Song, Bo Gyoung;Lee, Seung Joon;Moon, Yuseok
    • Journal of Life Science
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    • v.24 no.12
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    • pp.1339-1344
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    • 2014
  • Inflammatory bowel disease is an immune disorder associated with chronic mucosal inflammation and severe ulceration in the gastrointestinal tract. Antibodies against proinflammatory cytokines, including TNF${\alpha}$, are currently used as promising therapeutic agents against the disease. Stabilization of the transcript is a crucial post-transcriptional process in the expression of proinflammatory cytokines. In the present study, we assessed the expression and histological distribution of the HuR protein, an important transcript stabilizer, in tissues from experimental animals and patients with Crohn's disease. The total and cytosolic levels of the HuR protein were enhanced in the intestinal epithelia from dextran sodium sulfate (DSS)-treated mice compared to those in control tissues from normal mice. Moreover, the expression of HuR was very high only in the mucosal and glandular epithelium, and the relative localization of the protein was sequestered in the lower parts of the villus during the DSS insult. The expression of HuR was significantly higher in mucosal lesions than in normal-looking areas. Consistent with the data from the animal model, the expression of HuR was confined to the mucosal and glandular epithelium. These results suggest that HuR may contribute to the post-transcriptional regulation of proinflammatory genes during early mucosal insults. More mechanistic investigations are warranted to determine the potential use of HuR as a predictive biomarker or a promising target against IBD.

Building a Diagnosis Process and Ontology Based on Differentiation Rule of Crohn's Disease (궤양성 대장질환-크론병 감별 규칙 기반 진단 프로세스 및 온톨로지 구축)

  • Yoo, Dong-Yeon;Park, Ye-Seul;Lee, Jung-Won
    • Proceedings of the Korea Information Processing Society Conference
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    • 2018.05a
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    • pp.373-376
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    • 2018
  • 만성 염증성 장질환인 크론병은 위장관 전체에서 발병할 수 있으며, 국내에서도 발병률이 증가하고 있다. 특히, 크론병은 다른 궤양성 대장질환과 유사한 증상을 보일 수 있어 크론병을 진단하는데 어려움이 있다. 이로 인해 크론병 진단 가이드라인이나 크론병과 유사한 증상을 보이는 질병 감별에 대한 연구가 진행되고 있다. 하지만 기존 연구에는 크론병에 대한 절차적인 진단 과정이 기술되지 않아, 크론병 진단을 위한 검사 과정에서 과다한 검사가 시행될 우려가 있다. 따라서 본 논문에서는 크론병과 유사한 증상을 보이는 궤양성 대장질환을 감별하기 위해 중복성 및 절차적인 연관성, 질병의 진단 조건을 분석하여 감별 규칙으로 정의하고, 이를 기반으로 크론병 진단 프로세스를 제안한다. 제안하는 프로세스를 체계적으로 정의하고 온톨로지로 시각화함으로써 크론병과 유사한 증상을 보이든 대장질환올 감별하고, 효과적으로 크론병을 진단하는데 도움을 줄 수 있다.

Relationship between gastric mucosal eosinophilia and the presence of Helicobacter pylori in Republic of Korea Air Force soldiers (대한민국 공군 장병을 대상으로 한 위점막 조직 호산구 증가증과 유문나선균 간의 관계 연구)

  • Kim, Hyun-Soo;Lee, Sang-Hwa;Lee, Seok;Choi, Won-Ho;Kim, Ji-Ho
    • Journal of the Korean Society for Aviation and Aeronautics
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    • v.20 no.1
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    • pp.34-38
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    • 2012
  • 호산구는 염증 반응에 의해 활성화되며, 주로 기생충 감염이나 알러지 질환 등에 대한 면역 작용을 담당한다고 알려져 있다. 호산구 증가증은 약물 반응, 알러지, 국소적인 기생충 감염 등에 의한 경우가 많지만, 자가면역성 질환이나 종양에 의한 경우도 있다. 최근 연구를 통해 위염의 대표적인 원인균 중 하나인 유문나선균 역시 위점막에서 나타나는 조직 호산구 증가증의 원인이 될 수 있다고 밝혀지고 있으나, 유문나선균에 의한 호산구 증가증 발생 기전이나 빈도는 아직까지 확립되지 않고 있다. 위점막 내 호산구 침윤과 동반되는 위염은 복통, 오심, 구토, 설사, 장폐색 등을 일으킬 뿐만 아니라, 아토피성 피부염, 천식, 위식도 역류, 염증성 장질환 등의 발생과 관련이 있다고 보고되고 있다. 위염 및 다양한 관련 질환에 의한 증상은 공중 근무자들의 임무 수행 능력을 저하시켜 항공기 사고를 발생시킬 수 있는 가능성을 가지고 있다는 점에서 항공의학적으로 매우 중요하며, 실제로 호산구성 위염이나 유문나선균 감염의 치료 여부가 공중 근무자에게 일시적 또는 영구적 비행임무정지를 부과할 수 있는 기준이 되기도 한다. 본 연구에서는 대한민국 공군 장병 환자를 대상으로 내시경을 통해 얻은 위점막 조직 내 호산구수를 측정하고, 이를 위점막 표면의 유문나선균 존재 유무와 관련지어 보았다. 111명 중 20명의 환자에서 한 고배율 시야 당 30개 이상의 호산구가 관찰되었고, 63명의 환자의 위점막 표면에서 유문나선균을 확인하였다. 또한 위점막 내 호산구의 밀도와 유문나선균의 존재 간의 관계는 통계학적으로 유의하였다. 본 연구의 결과는 대한민국 공군 장병을 대상으로 하여 조직 호산구 증가증과 유문나선균의 빈도 및 상호 관계를 최초로 분석했다는 점에서 의의가 있으며, 추후 유문나선균이 어떤 기전으로 위점막 조직 내 호산구의 증가에 관여하는지에 대한 연구를 진행하기 위한 기초 자료로서 활용될 수 있을 것이다.

Dietary Fiber의 면역조절기능과 Short Chain Acid에 관한 연구

  • Im, Byeong-U;Jo, Yeo-Won
    • Bulletin of Food Technology
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    • v.15 no.3
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    • pp.84-91
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    • 2002
  • 식이 섬유질에는 여러 종류가 있고 그 종류에 따라 short chain fatty acid(SCFA)의 생산 등 생리작용도 크게 다르다. 식이 섬유질 중 수용성은 장내세균의 발효를 받아 butyrate, acetate, propionate 등의 SCFA를 생산한다. 수용성 식이 섬유질을 섭취함으로서 SCFA의 생산을 증가시키고 대장점막증식, 물.전해질 흡수 촉진, 혈류량을 증가시키는 작용 외에 면역조절 작용을 가지고 있다. 식이 섬유는 장관계 질환 중의 하나인 염증성 장질환 특히 궤양성 대장염의 치료법으로서 기대되고 있으며, 암세포 연구에서는 butyrate 가 apoptosis 유도작용과 발암유전자의 억제효과가 확인되고 있으나 역학 연구에서는 식이 섬유질에 의한 대장암 예방효과는 아직 불확실하다. 모든 유형의 식이 섬유질은 건강 식품으로서 사용되고 있으며, prebiotic으로서도 주목받고 있다. 또한 경장 영양제에도 각종의 식이 섬유질이 첨가되어 있다. 그러나 충분한 양의 비타민과 무기질을 함유한 고섬유질식과, 건강 식품으로서의 식이 섬유질을 같은 의미로 해석하기에는 여러 가지 문제가 남아 있다.

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Effects of Ethanol Extract from Lathyrus palustris on Anti-inflammation Response of RAW 264.7 Cell (RAW 264.7 대식세포 염증반응에 대한 털연리초 에탄올 추출물의 항염증 효과)

  • Nam, Jung Hwan
    • Korean Journal of Plant Resources
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    • v.33 no.4
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    • pp.287-292
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    • 2020
  • Lathyrus palustris often used as a treatment for inflammation of the kidneys in Korean traditional medication. Generally, drugs for arthritis have anti-inflammatory and antinociceptive properties. However, the validity of the anti-inflammatory effect has not been scientifically investigated so far. Therefore, the purpose of the research was to investigate the latent anti-inflammatory ability of L. palustris using the ethanol extract. To evaluate the anti-inflammatory activities, we examined the inflammatory arbitrators such as a nitric oxide (NO) and prostaglandin E2 (PGE2) on RAW 264.7 cells. Our results indicated that ethanol extract significantly inhibited the lipopolysaccharide E (LPS) derived PGE2 production in RAW 264.7 cell. The inhibitory activity of ethanol extract for PGE2 tests with inhibition ratio showed in 40 ㎍/mL. Overall, PGE2 tests had a higher inhibitory effect on inflammation than NO tests. This result anticipated that the ethanol extract from L. palustris is a good candidate for developing the origin of anti-inflammatory agents.

Anti-inflammatory and apoptosis improving effects of sulfasalazine and Cinnamomi cortex and Bupleuri radix mixture in TNBS-induced colitis mouse model (TNBS로 유발된 마우스 대장염모델에서 설파살라진, 육계와 시호 복합 추출물의 항염증 및 세포 자멸 개선효과)

  • Kim, Kyeong Jo;Shin, Mi-Rae;Kim, Soo Hyun;Kim, Su Ji;Lee, Ah Reum;Kwon, O Jun;Kil, Ki-Jung;Roh, Seong-Soo
    • Journal of Applied Biological Chemistry
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    • v.60 no.3
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    • pp.227-234
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    • 2017
  • Inflammatory bowel disease (IBD) is including Crohn's disease and ulcerative colitis. Sulfasalazine commonly used in IBD, possibly has various side effects after high dosage and long term intake. The present study aimed to investigate the sulfasalazine and combination with herbal medicine on 2,4,6-trinitrobenzene sulfonic acid (TNBS)-induced in mice model. TNBS-induced mice were injected through a flexible catheter 4 cm in length 1.6 mg TNBS. Animals were divided into five groups (n=12): Normal group, TNBS control group, Sulfasalazine (30 mg/kg) group, Sulfasalazine (60 mg/kg) group, Sulfasalazine (30 mg/kg)+Cinnamomi cortex and Bupleuri radix mixture (30 mg/kg) (SCB) group. Administration groups were fed extract during 7 days. The inflammatory, and apoptotic protein levels were determined using western blotting. SCB treatment showed an outstanding effectiveness in counteracting the IBD, as assessed by reduction of body weight loss, down-regulation of pro-inflammatory proteins and cytokines, and by inhibition of proteins related to apoptosis. This is the first report that sulfasalazine and Cinnamomi cortex plus Bupleuri radix mixture improve the severity of experimental IBD through the inhibition of both inflammation and apoptosis. We confirm that the SCB treatment instead of sulfasalazine alone may be promising as an alternative therapeutic plan against IBD, without any evidence of adverse effects.

The Effects of Laughter Therapy on the Anxiety and Depression of Inflammatory Bowel Disease Patients (웃음치료가 염증성 장질환 환자의 불안 및 우울에 미치는 효과)

  • Park, So Young;Kwak, Eun Ah;Heo, Jeoung Eun;Shin, Eun Kyoung;Kim, Ji Hyun;Lee, Ji Yoon;Lee, Ji Hee
    • Journal of Korean Clinical Nursing Research
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    • v.19 no.1
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    • pp.105-114
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    • 2013
  • Purpose: The purpose of this study was to apply laughter therapy to clinical practice and investigate its effects on patients' anxiety and depression in order to increase the quality of nursing for patients with inflammatory bowel disease (IBD). Methods: The study was conducted based on the non-equivalent control group pretestposttest design. The participants include 20 patients with IBD in the control group and 17 in the experiment group. Data was collected from July 10th, 2011 to January 22nd, 2012. Laughter therapy was administered once a day for five consecutive days. Results: The anxiety score was significantly different between the two groups and indicates that laughter therapy is effective for reducing anxiety among patients with IBD. Futhermore, there were differences in the depression scores of the experiment group between the pre-test and post-test, but no significant differences were found between the two groups. Conclusion: The results show that laughter therapy was effective in reducing anxiety among patients with IBD but did not decrease depression directly. Considering that the experiment group had a bigger reduction rate in depression scores than the control group. However, it is expected that laughter therapy will serve as an emotional nursing intervention for patients with IBD.