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Protective effects of edible insect protein extracts from Protaetia brevitarsis against H_(2)O_(2)-induced oxidative stress in mouse C2C12 myoblast cells

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Food Bioscience 2023年第2期52卷 435-443页

作者： Jae Hoon Lee Tae-Kyung Kim min-cheol kang Bum-Keun Kim Yun-Sang Choi Research Group of Food Processing Korea Food Research InstituteWanju55365Republic of Korea

Edible insects have been attracting significant attention not only for their nutritional superiority but also for their excellent bio-functional *** this study,the apoptotic protective effects of water-soluble protein(WPB)and salt-soluble protein(SPB)extracts derived from Protaetia brevitarsis against hydrogen peroxide(H_(2)O_(2))-induced oxidative stress in C2C12 cells were *** and SPB were confirmed to exhibit radical scavenging and ferric-ion reducing *** addition,WPB and SPB treatments effectively restored the decreased cell viability of the C2C12 cells induced by H2O2 treatment,and showcased protective effects against apoptosis and mitochondrial dysfunction by regulating the expressions of pro-and anti-apoptotic ***,our data indicated that protein extracts from Protaetia brevitarsis could be beneficial for the prevention and treatment of diseases associated with apoptosis induced by oxidative stress.

关键词： Edible insect protein extract Protaetia brevitarsis Antioxidant Anti-Apoptosis C2C12 myoblast cells

Effects of edible insect extracts on the antioxidant, physiochemical, and microbial properties of Tteokgalbi during refrigerated storage

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Food Bioscience 2023年第2期52卷 326-333页

作者： Hae In Yong Tae-Kyung Kim Ji Yoon Cha Jae Hoon Lee min-cheol kang Samooel Jung Yun-Sang Choi Research Group of Food Processing Korea Food Research InstituteWanju55365Republic of Korea Division of Animal and Dairy Science Chungnam National UniversityDaejeon34134Republic of Korea

In this study,Tteokgalbi,a meat product,was prepared with edible insect larvae extracts and its antioxidant,physiochemical,and microbial properties were evaluated during refrigerated *** prepared with 2%*** and 2%*** showed the highest radical-scavenging activity and metal-chelating activity,but the lowest thiobarbituric acid reactive substance(TBARS)value,among the treatments(P<0.05).In addition,those antioxidant activities were the lowest and the TBARS value was the highest in control Tteokgalbi(P<0.05)during all storage *** prepared with 2%*** showed the highest brownness index,pH,and cooking yield,but the lowest shear force value(P<0.05).During all storage days,the total aerobic bacteria level did not differ significantly among the *** conclusion,*** extracts(2%)were effective as antioxidants,inhibiting lipid oxidation,and improving the quality properties of Tteokgalbi,without negatively affecting microbial *** results confirmed that the edible insect extracts have industrial value as a food additive.

关键词： Edible insect Lipid oxidation Natural antioxidant Refrigerated storage Tteokgalbi

Effects of low molecular weight polysaccharide from Sargassum thunbergii against palmitic acid-induced intracellular lipid accumulation in 3T3-L1 adipocyte and HepG2 cells

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Food Science and Human Wellness 2024年第4期13卷 2244-2252页

作者： Hyo-Geun Lee D.P.Nagahawatta M.J.M.S.Kurera Kyung-Mo Song Yun-Sang Choi You-Jin Jeon min-cheol kang Department of Marine Life Sciences Jeju National UniversityJeju 63243Republic of Korea Department of Biotechnology Faculty of Agriculture and Plantation ManagementWayamba University of Sri LankaMakanduraGonawila(NWP)60170Sri Lanka Research Group of Food Processing Korea Food Research Institute245Wanju 55365Republic of Korea

Low molecular weight polysaccharides can be isolated from Sargassum thunbergii(LMPST)and in vitro experiments were conducted to evaluate the inhibitory effects on *** natures of LMPST were attained from *** and appraised their LMPST on palmitic acid(PA)induced lipid accretion in Hep G2,and 3T3-L1 *** treatment lessened lipid deposition and intracellular free fatty acid and triglyceride intensities in PA-treated above mentioned *** mechanistic study publicized that LMPST2 significantly suppressed adipogenesis and stimulated the PA-treated 3T3-L1 cells occupied in the lipolysis ***,in PA-treated Hep G2 cells,the free fatty acid oxidation was significantly increased by *** these constructive properties of LMPST2 from ***,is a potential candidate for diminishing the intracellular lipids,and for a therapeutic agent in those conditions.

关键词： Sargassum thunbergii Low molecular weight polysaccharide Lipid accumulation Obesity Liver steatosis

Anti-obesity effects of fucoidan from Sargassum thunbergii in adipocytes and high fat diet induced obese mice through inhibiting adipogenic specific transcription factor

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Food Science and Human Wellness 2024年第3期13卷 1608-1616页

作者： Hyo-Geun Lee H.H.A.C.K.Jayawardhana Fengqi Yang D.P.Nagahawaththa N.M.Liyanage Kyung-Mo Song Yun-Sang Choi Seung-Hong Lee You-Jin Jeon min-cheol kang Department of Marine Life Sciences Jeju National UniversityJeju 63243Republic of Korea Marine Science Institute Jeju National UniversityJeju 63333Republic of Korea Research Group of Food Processing Korea Food Research InstituteWanju 55365Republic of Korea Department of Pharmoceutical Engineering Soonchunhyang UniversityAsan 31538Republic of Korea

The prevalence of obesity has increased and is a health concern *** to the concerns regarding synthetic anti-obesity treatments,nowadays natural products become a *** studies proved that there is a potential to use marine algae as anti-obesity ***,in this study,the lipid inhibitory effect of crude polysaccharide of amyloglucosidase-assisted hydrolysate from Sargassum thunbergii(STAC)and its fucoidan fractions(STAFs)on 3T3-L1 cells and high-fat diet(HFD)-induced obese mice were *** to the results,the STAF3,showed the highest xylose content and exhibited significant inhibitory effects on lipid accumulation by downregulating adipogenic and lipogenic proteins in 3T3-L1 ***,oral supplementation with STAC significantly declined gain in body weight and fat weight,and serum lipid contents in an HFD-induced obesity mouse *** and chemical characterizations demonstrated that puritied STAF3 has consistent surface morphology and small particle size,with similar structural characteristics as commercial ***,these results indicate that STAC and purified STAF3 from Sargassum thunbergia is a potent source to develop as ananti-obesity agents or functional food products to counter obesity.

关键词： Sargassum thunbergii Fucoidan Anti-obesity Anti-steatosis

Evaluating the affecting factors of glacier mass balance in Tanggula Mountains using explainable machine learning and the open global glacier model

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Journal of Mountain Science 2025年第2期22卷 466-488页

作者： XU Qiangqiang kang Shichang HE Xiaobo XU min Key Laboratory of Cryospheric Science and Frozen Soil Engineering Northwest Institute of Eco-Environment and ResourcesChinese Academy of SciencesLanzhou 730000China Tanggula Mountain Cryosphere and Environment Observation and Research Station of Tibet Autonomous Region Lanzhou 730000China University of Chinese Academy of Sciences Beijing 100049China

Glacier mass balance is a key indicator of glacier health and climate change *** factors include both climatic and nonclimatic elements,forming a complex set of *** is a lack of quantitative analysis of these composite factors,particularly in climate-typical regions like the Tanggula Mountains on the central Tibetan *** collected data on various factors affecting glacier mass balance from 2000 to 2020,including climate variables,topographic variables,geometric parameters,and glacier *** utilized linear regression models,ensemble learning models,and Open Global Glacier Model(OGGM)to analyze glacier mass balance changes in the Tanggula *** indicate that linear models explain 58%of the variance in glacier mass balance,with seasonal temperature and precipitation having significant *** findings show that ensemble learning models made the explanations 5.2%more accurate by including the impact of topographic and geometric factors such as the average glacier height,the slope of the glacier tongue,the speed of the ice flow,and the area of the *** machine learning identified the spatial distribution of positive and negative impacts of these characteristics and the interaction between glacier topography and ice ***,we predicted the responses of glaciers of different sizes to future climate change based on the results of interpretable machine *** was found that relatively large glaciers(>1 km~2)are likely to persist until the end of this century under low emission scenarios,whereas small glaciers(<1 km~2)are expected to nearly disappear by 2080 under any emission *** research provides technical support for improving glacier change modeling and protection on the Tibetan Plateau.

关键词： Glacier mass balance Tanggula Mountains Explainable Machine Learning Open Global Glacier Model Climate change

Exploring Mechanism of Electroacupuncture in Modulating Neuroinflammation Based on Intestinal Flora and Its Metabolites

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Chinese Journal of Integrative Medicine 2025年第2期31卷 183-192页

作者： YE Hai-min LI Zhuo-yan ZHANG Peng kang Zhen ZHOU De-sheng School of Integrated Chinese and Western Medicine Hunan University of Chinese MedicineChangsha(410208)China Neurology Department The Second Affiliated Hospital of Hunan University of Chinese MedicineChangsha(410005)China Acupuncture and Moxibustion Massage Rehabilitation Department The Second Affiliated Hospital of Hunan University of Chinese MedicineChangsha(410005)China Neurology Department The First Hospital of Hunan University of Chinese MedicineChangsha(410011)China

Neuroinflammatory responses play an important role in the pathogenesis of various diseases,particularly those affecting the central nervous *** of neuroinflammation is a crucial therapeutic strategy for the management of central nervous system *** intestinal microbial-gut-brain axis serves as a key regulatory pathway that modulates neuroinflammatory *** flora metabolites such as short-chain fatty acids,indoles and their derivatives,lipopolysaccharides,trimethylamine oxide,and secondary bile acids exert direct or indirect effects on *** have shown that electroacupuncture(EA)modulates the composition of the intestinal microbiota and its metabolites,while also suppressing neuroinflammation by targeting the TLR4/NF-κB,NLRP3/caspase-1,and microglial cell M2-type transformation *** review discusses the mechanisms by which EA regulates neuroinflammation via intestinal microbiota and its metabolites,providing information and a foundation for further investigation of the precise therapeutic mechanisms of EA in neurological disorders.

关键词： electroacupuncture intestinal flora metabolites of intestinal flora neuroinflammation nervous system disease review

Spin freezing induced giant exchange bias in a doped Hund's metal

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Science China(Physics,Mechanics & Astronomy) 2025年第2期68卷 167-174页

作者： Shunjiao Li Dan Zhao Jian Li Baolei kang min Shan Yanbing Zhou Xuyang Li Tao Wu Xianhui Chen Hefei National Research Center for Physical Sciences at the Microscale University of Science and Technology of ChinaHefei 230026China CAS Key Laboratory of Strongly Coupled Quantum Matter Physics Department of PhysicsUniversity of Science and Technology of ChinaHefei 230026China CAS Center for Excellence in Superconducting Electronics(CENSE) Shanghai 200050China Collaborative Innovation Center of Advanced Microstructures Nanjing UniversityNanjing 210093China Hefei National Laboratory University of Science and Technology of ChinaHefei 230088China

Exchange bias(EB)is a fundamental phenomenon in widespread information ***,a comprehensive understanding of its microscopic origin remains a great *** key issue in the debate is the role of frustration and disorder in the EB mechanism,which motivates the exploration of the EB effect in spin glass(SG)***,in the SG state of Crdoped Hund's metal CsFe_(2)As_(2),we discover a giant EB effect with a maximum bias field of -2 T,which is almost two orders of magnitude larger than that of traditional alloy *** results indicate that the giant EB effect should originate from the exchange interactions at the natural boundaries between the tunable ferromagnetic-like(FM)regions around Cr dopants and the SG matrix,via which the FM spins are strongly pinned by the frozen spins in the SG *** addition,the temperaturedependent and cooling-field-dependent EB behaviors could be interpreted well by the SG model with frustrated FM/SG boundaries,which provides an intuitive and explicit understanding of the impact of glassy parameters on the EB *** these results suggest that the correlated metals are promising directions for exploring the EB effect in the SG state.

关键词： Hund's metal spin glass exchange bias iron-based superconductor

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Unlocking the power of tandem repeat variations to fine-tune rice phenotypes

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Science Bulletin 2025年第3期70卷 297-298页

作者： kang Chong Key Laboratory of Plant Molecular Physiology Institute of BotanyChinese Academy of SciencesBeijing 100093China University of Chinese Academy of Sciences Beijing 100049China

The diversity of crop phenotypes is shaped by numerous genomic *** staple cereals like rice,lots of functional variants,including quantitative trait locus(QTLs),have been identified and used to improve various crop traits(yield,quality,architecture,etc.).To breed ideal crop cultivars for agricultural production,we need more and more precise modulation of phenotypes to obtain desirable *** the past decade,genome editing techniques have enabled us to precisely change crop genome sequences,and also functional variants[1],[2],[3].

关键词： cultivar cereal precise

Failure rate analysis and maintenance plan optimization method for civil aircraft parts based on data fusion

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Chinese Journal of Aeronautics 2025年第1期38卷 306-324页

作者： kang CAO Yongjie ZHANG Jianfei FENG School of Civil Aviation Northwestern Polytechnical UniversityXi’an 710072China Shanghai Aircraft Design and Research Institute Shanghai 201210China

In the face of data scarcity in the optimization of maintenance strategies for civil aircraft,traditional failure data-driven methods are encountering challenges owing to the increasing reliability of aircraft *** study addresses this issue by presenting a novel combined data fusion algorithm,which serves to enhance the accuracy and reliability of failure rate analysis for a specific aircraft model by integrating historical failure data from similar models as supplementary *** a comprehensive analysis of two different maintenance projects,this study illustrates the application process of the *** upon the analysis results,this paper introduces the innovative equal integral value method as a replacement for the conventional equal interval method in the context of maintenance schedule *** Monte Carlo simulation example validates that the equivalent essential value method surpasses the traditional method by over 20%in terms of inspection efficiency *** discovery indicates that the equal critical value method not only upholds maintenance efficiency but also substantially decreases workload and maintenance *** findings of this study open up novel perspectives for airlines grappling with data scarcity,offer fresh strategies for the optimization of aviation maintenance practices,and chart a new course toward achieving more efficient and cost-effective maintenance schedule optimization through refined data analysis.

关键词： Small sample data Data fusion Failure rate Maintenance planning Aircraft parts