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A20 attenuates allergic airway inflammation in mice.
Kang, Nam-In,Yoon, Ha-Yong,Lee, Young-Rae,Won, Minho,Chung, Myoung Ja,Park, Jin-Woo,Hur, Gang Min,Lee, Hern-Ku,Park, Byung-Hyun Williams Wilkins 2009 JOURNAL OF IMMUNOLOGY Vol.183 No.2
<P>TNF receptor 1 can activate signaling pathways leading to the activation of NF-kappaB. A20, an NF-kappaB-inducible protein, negatively regulates these signaling pathways and acts as an anti-inflammatory mediator. Therefore, A20 is viewed as a potential therapeutic target for inflammatory disease. In this study, we examined the effect of A20 on an OVA-induced allergic airway inflammation model in mice. We used an adenovirus containing A20 cDNA (Ad-A20) that was delivered intratracheally before OVA challenge. Single administration of Ad-A20 reduced airway inflammatory cell recruitment and peribronchiolar inflammation and suppressed the production of various cytokines in bronchoalveolar fluid. In addition, Ad-A20 suppressed mucus production and prevented the development of airway hyperresponsiveness. The protective effect of Ad-A20 was mediated by the inhibition of the NF-kappaB signaling pathway. Taken together, our results suggest that the development of an immunoregulatory strategy based on A20 may have therapeutic potential for the treatment of allergic asthma.</P>
Jeong, Mi Jin,Choi, Go Eun,Ghimire, Balkrishna,Lee, Ha Yan,Jung, Ji Young,Choi, Myung Suk,Ku, Ja Jung,Lee, Kyung Mee,Lee, Cheul Ho,Suh, Gang Uk,Son, Sung Won Korean Society of Horticultural Science 2016 원예과학기술지 Vol.34 No.3
In this study, we investigated the effect of seed collection stage and alternating temperature on the germination of Deutzia paniculata (Hydrangeaceae). The seeds were collected from naturally growing D. paniculata populations in Mt. Palgong, Gyeonsangbuk-do, Korea every two weeks over a three month period from August through October, 2014, totaling five collections. We examined seed characteristics such as seed size (length and width) and weight, and germination percentages for each collection stage under four different germination temperature regimes. We also examined germination after 30 and 60 days of cold moist stratification. Each collection phase had a different germination percentage and the lowest germination percentage was observed in the seeds from phase I (average GP of 15.7%). The germination percentage was similar at the later collection phases and in the higher temperatures suggesting that later collection times and higher temperatures are optimal for D. paniculata germination. We found that the optimum collection stage with high viability and germination percentage of for D. paniculata was during the middle of the September.
Mi Jin Jeong,Go Eun Choi,Balkrishna Ghimire,Ha Yan Lee,Ji Young Jung,Myung Suk Choi,Ja Jung Ku,Kyung Mee Lee,Cheul Ho Lee,Gang Uk Suh,Sung Won Son 한국원예학회 2016 원예과학기술지 Vol.34 No.3
In this study, we investigated the effect of seed collection stage and alternating temperature on the germination of Deutzia paniculata (Hydrangeaceae). The seeds were collected from naturally growing D. paniculata populations in Mt. Palgong, Gyeonsangbuk-do, Korea every two weeks over a three month period from August through October, 2014, totaling five collections. We examined seed characteristics such as seed size (length and width) and weight, and germination percentages for each collection stage under four different germination temperature regimes. We also examined germination after 30 and 60 days of cold moist stratification. Each collection phase had a different germination percentage and the lowest germination percentage was observed in the seeds from phase I (average GP of 15.7%). The germination percentage was similar at the later collection phases and in the higher temperatures suggesting that later collection times and higher temperatures are optimal for D. paniculata germination. We found that the optimum collection stage with high viability and germination percentage of for D. paniculata was during the middle of the September.