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RISS 인기검색어
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- 저자 : Suping Gao (검색결과 2 건)
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Ting Lei,Suping Gao,Xiao Lin,Kaihui Zhang,Yingqi Liu,Wenji Li,Di Hu,Xiaofang Yu,Mingyan Jiang,Qibing Chen,Ying Sun 한국원예학회 2021 Horticulture, Environment, and Biotechnology Vol.62 No.2
This study selected Dendrobium offi cinale protocorms as the experimental material and used diff erent light-quality treatmentsand calcium signalling inhibitors to explore the mechanism of the biological response of calcium to light quality. The results indicate that a 1:3 red:blue (R:B) light ratio promotes the accumulation of biomass and polysaccharides in theprotocorm. Nevertheless, this eff ect can be entirely counteracted by calmodulin (CaM) inhibitors and calcium ion-chelatingagents. The possible mechanisms of this eff ect are as follows: (1) The Ca 2+ -CaM signal-regulated photosynthetic apparatusis improved by the R:B 1:3 light, increasing the CaM content and Ca 2+ -ATPase activity. Thus, R:B 1:3 light increases thedevelopment of the photosynthetic apparatus in the D. offi cinale protocorm, enhances its photosynthetic productivity, andpromotes the activities of sucrose phosphatase; accordingly, biomass and sucrose accumulation increase. (2) R:B 1:3 lightenhances Ca 2+ -CaM signalling and regulates glycometabolic processes to promote the activities of sucrose synthase, thusincreasing fructose and glucose levels and providing suffi cient synthetic precursors to promote polysaccharide production.
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Zhendi Wang,Zhuo Zuo,Lu Li,Suping Ren,Tianchang Gao,Jingqi Fu,Yongyong Hou,Yanyan Chen,Jingbo Pi 대한약학회 2020 Archives of Pharmacal Research Vol.43 No.3
White adipocytes play a key role in maintainingwhole body energy homeostasis by forming white adiposetissue (WAT). The impairment of WAT formation or WATdysfunction is clearly associated with severe metabolic disorders. Mature adipocytes are derived from differentiatedpreadipocytes and are pivotal in energy storage and metabolism. Nuclear factor erythroid 2-related factor 2 (Nrf2) isa member of a family of CNC-bZIP proteins which exerttheir transcriptional control on genes harboring antioxidantresponse elements (ARE) in partnership with smallmusculoaponeurotic fibrosarcoma proteins. The activationof Nrf2-ARE coordinated by specific repressor Kelch-likeECH-associated protein 1 (Keap1) regulates networks ofgenes controlling diverse homeostatic processes involvingadaptive antioxidant response and detoxification amongmany other adaptive responses. Interestingly, accumulatingevidence indicates that Nrf2 may act as a transcription factorin regulating the formation and function of adipose tissues,including adipogenesis, lipid metabolism and insulin sensitivity. In this mini-review, an overview on the distinct rolesof Nrf2 in adipocytes is provided. While highlighting the regulatory role of Nrf2 in adipogenesis, recent key findingson Nrf2 in insulin signal transduction and energy metabolismof adipocytes are also summarized.
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