• 대한한의학회지
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• 제25권4호
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• pp.188-199
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• 2004

Transglutaminase 2 (TGase 2) is an enzyme that is widely used in many biological systems for generic tissue stabilization purposes or immediate defenses for wounds. Many reports have showed that TGase 2 is aberrantly activated in tissues and cells and contributes to a variety of diseases, including neurodegenerative diseases and autoimmune diseases. In most cases, the TGase 2 appears to be a factor in the formation of inappropriate proteinaceous aggregates that may be cytotoxic. However, in other cases such as celiac disease, arthritis, lupus, amyotrophic lateral sclerosis, TGase 2 is involved in the generation of autoantibodies. This suggests the possibility that the inappropriate expression and/or presentation of TGase 2 to T cells might contribute to these diseases in genetically predisposed individuals. Others and we have found that TGase 2 expression is also increased in the inflammation process. We also demonstrated reverse of inflammation by TGase inhibition. Furthermore we discovered the genuine role of TGase 2 in immune cell activation. Increase of TGase activity induces or exacerbates inflammation via NF-κB activation without I-κBα kinase signalings. This review will examine a possibility of TGase inhibitors as therapeutic agents in a variety of inflammatory diseases.

• IMMUNE NETWORK
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• 제4권3호
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• pp.184-189
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• 2004

Background: Hu syndrome, a neurological disorder, is characterized by the remote effect of small cell lung cancer on the neural degeneration. The suspicious effectors for this disease are anti-Hu autoantibodies or Hu-related CD8+ T lymphocytes. Interestingly, the same effectors have been suggested to act against tumor growth and this phenomenon may represent natural tumor immunity. For these diagnostic and therapeutic reasons, the demand for antibodies against Hu protein is rapidly growing. Methods: Polyclonal and monoclonal antibodies were generated using recombinant HuR protein. Western blot analyses were performed to check the specificity of generated antibodies using various recombinant proteins and cell lysates. Extracellular stimuli for HuR expression had been searched and HuR-associated proteins were isolated from polysome lysates and then separated in a 2-dimensional gel. Results: Polyclonal and monoclonal antibodies against HuR protein were generated and these antibodies showed HuR specificity. Antibodies were also useful to detect and immunoprecipitate endogenous HuR protein in Jurkat and BJAB. This report also revealed that TNF-${\alpha}$ treatment in BJAB up-regulated HuR expression. Lastly, protein profile in HuR-associated mRNAprotein complexes was mapped by 2-dimensional gel electrophoresis. Conclusion: This study reported that new antibodies against HuR protein were successfully generated. Currently, project to develop a diagnostic kit is in process. Also, this report showed that TNF-${\alpha}$ up-regulated HuR expression in BJAB and protein profile associated with HuR protein was mapped.

• 대한임상검사과학회지
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• 제52권2호
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• pp.98-104
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• 2020

Thalassemias are considered important health issues throughout Iraq, involving its Kurdistan region. This disorder, particularly its major form, needs lifelong regular transfusions. But this form of medical care is associated with various complications including red cell alloimmunization and autoimmunization. This study determined the frequency and associations of alloimmunization among multi-transfused patients with β-thalassemia major. The subjects were 204 patients who were registered at a thalassemia care center in Sulaymaniyah-Iraqi Kurdistan. The patients' records were analyzed, their red cells were phenotyped for ABO/RhD antigens using the gel card method, and irregular antibody screening/identification was performed using the standard tube method. Alloantibodies were detected in 5.8% of the patients, while DAT was positive in 4% of the patients, which indicated autoantibodies. The identified alloantibodies were anti-E (2.4%), anti-C (1.4%), anti-e (1%), and anti-K (1%). A patient's age at the start of transfusion (>2 years) (P=0.042) and a positive history of transfusion reactions (P=0.003) were correlated with a significantly higher rate of alloantibody formation. From the results of our study, we conclude that measures to decrease the development of alloantibodies may incorporate matching for Rhesus and Kell systems and early induction of blood transfusions.

• Neonatal Medicine
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• 제18권2호
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• pp.391-394
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• 2011

저자들은 다형 홍반과 구강 궤양으로 발현하였고 빈혈, 혈소판 감소증, 간기능 이상 등을 동반한 신생아 루푸스 환아의 확진과 신생아 진단을 통하여 무증상 산모 루푸스를 역으로 진단한 1례를 경험하였기에 문헌 고찰과 함께 보고하는 바이다.

• Clinical and Experimental Pediatrics
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• 제53권11호
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• pp.921-930
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• 2010

Juvenile rheumatoid arthritis (JRA) is the most common rheumatic childhood disease; its onset is before 16 years of age and it persists for at least 6 weeks. JRA encompasses a heterogeneous group of diseases that is classified according to 3 major presentations: oligoarthritis, polyarthritis, and systemic onset diseases. These presentations may originate from the same or different causes that involve interaction with specific immunogenetic predispositions, and result in heterogeneous clinical manifestations. An arthritic joint exhibits cardinal signs of joint inflammation, such as swelling, pain, heat, and loss of function; any joint can be arthritic, but large joints are more frequently affected. Extra-articular manifestations include high fever, skin rash, serositis, and uveitis. The first 2 types of JRA are regarded as T helper 1 (Th1) cell-mediated inflammatory disorders, mainly based on the abundance of activated Th1 cells in the inflamed synovium and the pathogenetic role of proinflammatory cytokines that are mainly produced by Th1 cell-stimulated monocytes. In contrast, the pathogenesis of systemic onset disease differs from that of other types of JRA in several respects, including the lack of association with human leukocyte antigen type and the absence of autoantibodies or autoreactive T cells. Although the precise mechanism that leads to JRA remains unclear, proinflammatory cytokines are thought to be responsible for at least part of the clinical symptoms in all JRA types. The effectiveness of biologic therapy in blocking the action of these cytokines in JRA patients provides strong evidence that they play a fundamental role in JRA inflammation.

• Asian Pacific Journal of Cancer Prevention
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• 제14권12호
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• pp.7289-7294
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• 2013

We here document discovery of a new and simple model of tumor seeding involving the mouse peritoneum. Irradiated tumor cells administered by i.p. injection provided effective vaccination against peritoneal carcinomatosis and distal metastasis with colorectal carcinomas. In flow cytometric analysis, CD4+ and CD8+ T lymphocytes, macrophages and myeloid-derived suppressor cells (MDSCs), which are easy to obtain in the peritoneal cavity, were revealed to have significant differences between immunized and non-immunized mice and these contributed to antitumor responses. We also observed that both serum and peritoneal lavage fluid harvested from immunized mice showed the presence of CT26-specific autoantibodies. In addition, increase in level of TGF-${\beta}1$ and IL-10 in serum but a decrease of TGF-${\beta}1$ in peritoneum was found. Taken together, these findings may provide a new vaccine strategy for the prevention of peritoneal and even systemic metastasis of carcinomas through induction of an autoimmune response in the peritoneum.

• 대한본초학회지
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• 제27권3호
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• pp.1-6
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• 2012

Objectives : The present study was undertaken to evaluate whether Atractylodis Rhizoma Alba ethanol (ARA-E) extract, which is the pericarp of $Atractylodes$ $japonica$ Koidz. has an effect on collagen-induced arthritis (CIA) in mice. Methods : Male DBA/1J mice were induced by intradermal injection of bovine collagen-II in Freund's incomplete adjuvant (IFA). The CIA mice in the onset of arthritis were treated daily with oral administration of ARA-E extract at dose of 50 mg/kg/bw for 28 days. Arthritis index, histopathological changes and the levels of anti-type II collagen (CII) IgG and inflammatory cytokine, TNF-${\alpha}$ in sera of mice were measured to evaluate the antiarthritic effect of ARA-E. Results : ARA-E extract significantly decreased the arthritic scores and inhibited pathological changes of knee joint tissues in CIA mice. ARA-E extract also significantly decreased the serum levels of anti-CII IgG and TNF-${\alpha}$ in CIA mice. These results indicate that ARA-E extract may effectively prevent arthritic damages in CIA mice, at least partially, by inhibiting the production of autoantibodies and inflammatory cytokine. Conclusions : This studies suggest that ARA-E has a therapeutic potential in inflammatory joint diseases such as rheumatoid arthritis.

• Clinical and Experimental Pediatrics
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• 제51권5호
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• pp.528-532
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• 2008

소아에서 약물 유발성 독성 간염은 비교적 흔하며 대부분 약을 끊으면 호전된다. 특히 항결핵약은 주요 유발 약물이다. 약물 유발성 독성 간염은 자가면역질환을 동반할 수 있으며, 이러한 원인으로 보고된 약제로는 주로 methyldopa, nitrofurantoin, minocycline, interferon 등이고, 항결핵약 보고는 드물다. 저자들은 갑상선염이 동반되고 항결핵약 isoniazid와 rifampin으로 유발된 약물 유발성 자가면역간염을 경험하였기에 국내에서 처음으로 문헌고찰과 함께 보고하는 바이다.

• 대한한방내과학회지
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• 제25권3호
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• pp.573-581
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• 2004

Evans syndrome, as originally described, refers to autoimmune hemolytic anemia accompanied by thrombocytopenia. The autoantibodies in Evans syndrome are directed specifically against red cells, platelets, or neutrophils and are not crossreacting. The incidence of autoimmune hemolytic anemia is estimated to be approximately 10 cases per million people. Many patients have associated disorders, such as lupus erythematosus and other autoimmune disease, chronic lymphadenopathy, or hypogammaglobulinemia. In Oriental Medicine, the approach to Evans syndrome is made in view of deficiency of blood. The ailment was treated through methods of Oriental Medicine. Acupucture and herbal medicine were administered to patients diagnosed with Evans Syndrome by ecchymosis at the lower limb after continued gingival bleeding. As a result significant improvement in RBC, Hb, Hct, and PLT were observed and complaints abated.

• Pediatric Gastroenterology, Hepatology & Nutrition
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• 제10권2호
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• pp.215-220
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• 2007

저자들은 자가면역 질환이 없는 건강한 소아가 황달을 동반하지 않는 급성 복통으로 내원하여 혈청 amylase, lipase의 지속적인 상승과 혈청 IgG 증가, 자가항체(ANA, ANCA) 양성, 방사선 영상에서 췌장 실질종대와 췌장 미부 주췌관의 불규칙적 협착으로 자가면역성 만성 췌장염으로 진단받고 스테로이드와 azathioprine을 경구 복용하였으며 미부 주췌관 협착의 풍선확장술을 시행하고 회복된 1예를 경험하였기에 보고하는 바이다.