• 제목/요약/키워드: family pathogenesis

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Structural and Quantitative Expression Analyses of HERV Gene Family in Human Tissues

  • Ahn, Kung;Kim, Heui-Soo
    • Molecules and Cells
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    • 제28권2호
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    • pp.99-103
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    • 2009
  • Human endogenous retroviruses (HERVs) have been implicated in the pathogenesis of several human diseases as multi-copy members in the human genome. Their gene expression profiling could provide us with important insights into the pathogenic relationship between HERVs and cancer. In this study, we have evaluated the genomic structure and quantitatively determined the expression patterns in the env gene of a variety of HERV family members located on six specific loci by the RetroTector 10 program, as well as real-time RT-PCR amplification. The env gene transcripts evidenced significant differences in the human tumor/normal adjacent tissues (colon, liver, uterus, lung and testis). As compared to the adjacent normal tissues, high levels of expression were noted in testis tumor tissues for HERV-K, in liver and lung tumor tissues for HERV-R, in liver, lung, and testis tumor tissues for HERV-H, and in colon and liver tumor tissues for HERV-P. These data warrant further studies with larger groups of patients to develop biomarkers for specific human cancers.

아토피 皮膚炎의 洋.韓方的 考察 (A Literature study about comparison of Eastern-Weatern medicine on the Atopic dermatitis)

  • 공남미;지선영
    • 한방안이비인후피부과학회지
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    • 제12권1호
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    • pp.241-253
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    • 1999
  • The results of the study about comparison of Eastern-Western medicine on the Atopic dermatitis were as follows. 1. Atopic dermatitis is chronic eczematous dermatosis which have severe itching, characteristic eruption, easily occur region and pass on chronic relapsing progress and have family history of Atopic disease and hereditary disposition. 2. Atopic dermatitis assume an remarkable clinical aspect and it's diagnosis depends on family history and clinical symptom. 3. In all cases of Western medical treatment is nothing but a symptomatic treatment because can not find out certainly the cause of Atopic dermatitis. 4. Atopic dermatitis is belong to the category of the 'Naesun(내癬)', 'Taeryumchang(胎斂瘡)', 'Samanpoong(四灣風)' etc. in Oriental medicine. 5. The etiology and pathogenesis of Atopic dermatitis in oriental medicine are congenital defect(稟賦不足), internal accumulation of damp and heat(濕熱內鬱), improper diet(飮食不節), exogenous pathogenic factors(外邪侵襲), etc.. 6. The treatments of Atopic dermatitis in oriental medicine are thought effective clear up heat and remove dampness with febrifugal arld diuretic drug(淸熱利濕), invigorate the spleen to resolve dampness(健脾燥濕), nourish Um and blood to relave dryness(滋陰養血潤燥), etc..

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Isolation. structure. and NF-${\kappa}$B modulatory activity of Harzianum A and B: trichothecene from fungi(B000527)

  • Jin, Hui-Zi;Lee, Jeong-Hyung;Kim, Young-Ho;Lee, Jung-Joon
    • 대한약학회:학술대회논문집
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    • 대한약학회 2002년도 Proceedings of the Convention of the Pharmaceutical Society of Korea Vol.2
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    • pp.320.3-321
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    • 2002
  • Nuclear factor ${\kappa}$B (NF-${\kappa}$B) represents a family of eukaryotic transcription factors participating in the regulation of various cellular genes. Since aberrant regulation of NF-${\kappa}$B has been implicated in the pathogenesis of various diseases including inflammation. asthma. atherosclerosis. AIDS. septic shock. arthritis, and cancer. this transcription factor has been shown to be an interesting target of new drug discovery. (omitted)

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Eukaryotic DNAJ/K Database: A Comprehensive Phylogenomic Analysis Platform for the DNAJ/K Family

  • Cheong, Kyeongchae;Choi, Jaehyuk;Choi, Jaeyoung;Park, Jongsun;Jang, Suwang;Lee, Yong-Hwan
    • Genomics & Informatics
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    • 제11권1호
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    • pp.52-54
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    • 2013
  • Proteins in DNAJ/K families are ubiquitous, from prokaryotes to eukaryotes, and function as molecular chaperones. For systematic phylogenomics of the DNAJ/K families, we developed the Eukaryotic DNAJ/K Database (EDD). A total of 12,908 DNAJs and 4,886 DNAKs were identified from 339 eukaryotic genomes in the EDD. Kingdom-wide comparison of DNAJ/K families provides new insights on the evolutionary relationship within these families. Empowered by 'class', 'cluster', and 'taxonomy' browsers and the 'favorite' function, the EDD provides a versatile platform for comparative genomic analyses of DNAJ/K families.

House dust mite fauna in western Anatolia, Turkey

  • Ciftci Ihsan Hakki;Cetinkaya Zafer;Atambay Metin;Kiyildi Nilay;Aycan Ozlem M.;Daldal Nilgun
    • Parasites, Hosts and Diseases
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    • 제44권3호
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    • pp.259-264
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    • 2006
  • House dust mites play an important role in the pathogenesis of allergic diseases. Many factors may influence mite growth. The presence of mites is related to mean temperature and humidity as well as altitude. The aim of this study was to analyze the mite fauna in 5 regions of western Anatolia, Turkey, that have similar climatic properties with low mean temperature and humidity, but differ in altitude. During the period October-November 2004, house dust was collected from 290 homes in 5 different cities. House dust mites were isolated in 67 (23.1 %) of 290 samples. The family Pyroglyphidae (Astigmata) was present in all positive samples. This study suggests that the selected western Anatolian regions that share similar environmental conditions host similar dust mite populations.

Radiation induced secondary malignancies: a review article

  • Dracham, Chinna Babu;Shankar, Abhash;Madan, Renu
    • Radiation Oncology Journal
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    • 제36권2호
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    • pp.85-94
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    • 2018
  • Radiation-induced second malignancies (RISM) is one of the important late side effects of radiation therapy and has an impact on optimal treatment decision-making. Many factors contribute to the development of RISM such as age at radiation, dose and volume of irradiated area, type of irradiated organ and tissue, radiation technique and individual and family history of cancer. Exact mechanism of RISM is unknown. But nowadays, it is a growing concern in oncology because of the increased number of cancer survivors and efforts are being made to prevent or decrease the incidence of RISM. The primary search for articles was carried via Google Scholar and PubMed with keywords included 'radiation induced malignancies, second malignancies, and chemotherapy induced malignancies'. Additional papers were found through references from relevant articles. In this review article, we have discussed about the pathogenesis, factors contributing to RISM, screening and prevention strategies of RISM.

Molecular and Cellular Mechanisms of Syndecans in Tissue Injury and Inflammation

  • Bartlett, Allison H.;Hayashida, Kazutaka;Park, Pyong Woo
    • Molecules and Cells
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    • 제24권2호
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    • pp.153-166
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    • 2007
  • The syndecan family of heparan sulfate proteoglycans is expressed on the surface of all adherent cells. Syndecans interact with a wide variety of molecules, including growth factors, cytokines, proteinases, adhesion receptors and extracellular matrix components, through their heparan sulfate chains. Recent studies indicate that these interactions not only regulate key events in development and homeostasis, but also key mechanisms of the host inflammatory response. This review will focus on the molecular and cellular aspects of how syndecans modulate tissue injury and inflammation, and how syndecans affect the outcome of inflammatory diseases in vivo.

A proteomic approach to identify yeast proteins responding to accumulation of misfolded proteins inside the cells

  • Shin, Yong-Seung;Seo, Eun-Joo;Kim, Joon;Yu, Myeong-Hee
    • 한국생물물리학회:학술대회논문집
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    • 한국생물물리학회 2003년도 정기총회 및 학술발표회
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    • pp.57-57
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    • 2003
  • In growing number of diseases it has been shown that aggregation of specific proteins has an important role in pathogenesis of the disorder. This has been demonstrated in structural details with the liver cirrhosis of ${\alpha}$$_1$-antitrypsin deficiency, and it is now believed that similar protein aggregation underlies many neurodegenerative disorders such as autosomal dominant Parkinson disease, prion diseases, Alzheimer disease, and Huntington disease. ${\alpha}$$_1$-Antieypsin, a member of serine pretense inhibitor (serpin) family, functions as an inhibitor of neutrophil elastase.

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자살 : 유전자-환경 상호작용 (Suicide : Gene-Environment Interaction)

  • 김용구
    • 생물정신의학
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    • 제17권2호
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    • pp.65-69
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    • 2010
  • Gene-environment interactions are important in pathogenesis of suicide or suicidal behavior. Twin and adoption studies and family studies show that genetic factors play a critical role in suicide or suicidal behavior. Given the strong association between serotonergic neurotransmission and suicide, recent molecular genetic studies have focused on polymorphisms of serotonin genes, especially on serotonin transporter and tryptophan hydroxylase genes. Some studies have revealed a significant interaction between s allele of the serotonin transporter gene and the risk of suicide attempt associated with childhood trauma. In addition, the polymorphism of brain-derived neurotrophic factor gene also may influence the effect of childhood trauma in relation to the risk of attempting suicide. Future studies should explore genetic and environmental factors in suicide or suicidal behavior and examine for gene and environment interaction.

The Zinc Transport Systems and Their Regulation in Pathogenic Fungi

  • Jung, Won Hee
    • Mycobiology
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    • 제43권3호
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    • pp.179-183
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    • 2015
  • Zinc is an essential micronutrient required for many enzymes that play essential roles in a cell. It was estimated that approximately 3% of the total cellular proteins are required for zinc for their functions. Zinc has long been considered as one of the key players in host-pathogen interactions. The host sequesters intracellular zinc by utilizing multiple cellular zinc importers and exporters as a means of nutritional immunity. To overcome extreme zinc limitation within the host environment, pathogenic microbes have successfully evolved a number of mechanisms to secure sufficient concentrations of zinc for their survival and pathogenesis. In this review, we briefly discuss the zinc uptake systems and their regulation in the model fungus Saccharomyces cerevisiae and in major human pathogenic fungi such as Aspergillus fumigatus, Candida albicans, and Cryptococcus gattii.