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GreenPhos,a universal method for in-depth measurement of plant phosphoproteomes with high quantitative reproducibility

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molecular Plant 2024年第1期17卷 199-213页

作者： Xiaoxiao Duan Yuanya Zhang Xiahe Huang Xiao Ma Hui Gao Yan Wang Zhen Xiao Chengcheng Huang Zhongshu Wang Bolong Li Wenqiang Yang Yingchun Wang State Key Laboratory of molecular Developmental biology Institute of Genetics and Developmental BiologyChinese Academy of SciencesBejing 100101China University of Chinese Academy of Sciences Bejing 100049China Key Laboratory of Photobiology Instute of BotanyChinese Academy of SciencesBejing 100093China

Protein phosphorylation regulates a variety of important cellular and physiological processes in ***-depth profiling of plant phosphoproteomes has been more technically challenging than that of animal *** is largely due to the need to improve protein extraction efficiency from plant cells,which have a dense cell wall,and to minimize sample loss resulting from the stringent sample clean-up steps required for the removal of a large amount of biomolecules interfering with phosphopeptide purification and mass spectrometry *** this end,we developed a method with a streamlined workflow for highly efficient purification of phosphopeptides from tissues of various green organisms including Arabidopsis,rice,tomato,and Chlamydomonas reinhardtii,enabling in-depth identification with high quantitative reproducibility of about 11000 phosphosites,the greatest depth achieved so far with single liquid chromatography-mass spectrometry(LC-MS)runs operated in a data-dependent acquisition(DDA)*** mainstay features of the method are the minimal sample loss achieved through elimination of sample clean-up before protease digestion and of desalting before phosphopeptide enrichment and hence the dramatic increases of time-and *** method,named GreenPhos,combined with single-shot LC-MS,enabled in-depth quantitative identification of Arabidopsis phosphoproteins,including differentially phosphorylated spliceosomal proteins,at multiple time points during salt stress and a number of kinase substrate *** is expected to serve as a universal method for purification of plant phosphopeptides,which,if samples are further fractionated and analyzed by multiple LC-MS runs,could enable measurement of plant phosphoproteomes with an unprecedented depth using a given mass spectrometry technology.

关键词： plant phosphoproteomics phosphopeptides LC–MS Arabidopsis salt stress

Genome-edited rabbits:Unleashing the potential of a promising experimental animal model across diverse diseases

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Zoological Research 2024年第2期45卷 253-262页

作者： Yang Han Jiale Zhou Renquan Zhang Yuru Liang Liangxue Lai Zhanjun Li Key Laboratory of Zoonosis Research Ministry of EducationCollege of Animal ScienceJilin UniversityChangchunJilin 130062China CAS Key Laboratory of Regenerative biology Guangdong Provincial Key Laboratory of Stem Cell and Regenerative MedicineSouth China Institute for Stem Cell Biology and Regenerative MedicineGuangzhou Institutes of Biomedicine and HealthChinese Academy of SciencesGuangzhouGuangdong 510530China Guangzhou Regenerative Medicine and Health Guang Dong Laboratory(GRMH-GDL) GuangzhouGuangdong 510005China institute for Stem cell and Regeneration Chinese Academy of SciencesBeijing 100101China

Animal models are extensively used in all aspects of biomedical research,with substantial contributions to our understanding of diseases,the development of pharmaceuticals,and the exploration of gene *** field of genome modification in rabbits has progressed ***,recent advancements,particularly in CRISPR/Cas9-related technologies,have catalyzed the successful development of various genome-edited rabbit models to mimic diverse diseases,including cardiovascular disorders,immunodeficiencies,agingrelated ailments,neurological diseases,and ophthalmic *** models hold great promise in advancing biomedical research due to their closer physiological and biochemical resemblance to humans compared to *** review aims to summarize the novel gene-editing approaches currently available for rabbits and present the applications and prospects of such models in biomedicine,underscoring their impact and future potential in translational medicine.

关键词： Genome editing Animal model Rabbit CRISPR/Cas9 Genetic diseases

Intermittent fasting boosts antitumor immunity by restricting CD11b^(+)Ly6C^(low)Ly6G^(low) cell viability through glucose metabolism in murine breast tumor model

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Food Science and Human Wellness 2024年第4期13卷 2327-2345页

作者： Chenghao Fu Zhehao Liang Zemiao Niu Ning Chen Yuemin Li Zhenhua Liang Yanwei Huo Hao Xi Rong Wang Yonghuan Yan Xiaoruo Gan Mengtian Wang Yun Huang Yan Zhang Mingming Gao Pin Lü Postdoctoral Station for Basic Medicine Cardiovascular Medical Science CenterDepartment of Cell BiologyKey Laboratory of Neural and Vascular Biology of Ministry of EducationHebei Medical UniversityShijiazhuang 050017China Hebei Key Laboratory of Forensic Medicine College of Forensic MedicineHebei Medical UniversityShijiazhuang 050017China Hebei Food Safety Key Laboratory Hebei Food Inspection and Research InstituteShijiazhuang 050091China Laboratory of Lipid Metabolism Department of Biochemistry and Molecular BiologyKey Laboratory of Medical Biotechnology of Hebei ProvinceShijiazhuang 050017China

Intermittent fasting can benefit breast cancer patients undergoing chemotherapy or ***,it is still uncertain how to select immunotherapy drugs to combine with intermittent *** we observed that two cycles of fasting treatment significantly inhibited breast tumor growth and lung tissue metastasis,as well as prolonged overall survival in mice bearing 4T1 and 4T07 breast *** this process,both the immunosuppressive monocytic-(M-)and granulocytic-(G-)myeloid-derived suppressor cell(MDSC)decreased,accompanied by an increase in interleukin(IL)7R^(+)and granzyme B^(+)T cells in the tumor ***,we observed that Ly6G^(low)G-MDSC sharply decreased after fasting treatment,and the cell surface markers and protein mass spectrometry data showed potential therapeutic *** investigation revealed that glucose metabolism restriction suppressed the splenic granulocytemonocyte progenitor and the generation of colony-stimulating factors and IL-6,which both contributed to the accumulation of *** the other hand,glucose metabolism restriction can directly induce the apoptosis of Ly6G^(low)G-MDSC,but not Ly6G^(high)*** summary,these results suggest that glucose metabolism restriction induced by fasting treatment attenuates the immune-suppressive milieu and enhances the activation of CD3^(+)T cells,providing potential solutions for enhancing immune-based cancer interventions.

关键词： Intermittent fasting Ly6G^(low)myeloid-derived suppressor cell apoptosis Extramedullary hematopoiesis Colony stimulating factor Glucose metabolism restriction

Identification and functional characterization of fish IL‑17 receptors suggest important roles in the response to nodavirus infection

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Marine Life Science & Technology 2024年第2期6卷 252-265页

作者： Carmen González‑Fernández Miguel A.García‑Álvarez Alberto Cuesta Department of cell biology and Histology Faculty of BiologyUniversity of Murcia30100 MurciaSpain Laboratoire d’écotoxicologie Centre de Lyon-VilleurbanneINRAEUR RiverLy69625 VilleurbanneFrance

Th17 is a lymphocyte T helper(Th)subpopulation relevant in the control and regulation of the immune response characterized by the production of interleukin(IL)-*** crucial cytokine family acts through their binding to the IL-17 receptors(IL-17R),having up to six *** the biology of fish Th17 is well-recognized,the molecular and functional characterization of IL-17 and IL-17R has been ***,our aim was to identify and characterize the IL-17R repertory and regulation in the two main Mediterranean cultured fish species,the gilthead seabream(Sparus aurata)and the European sea bass(Dicentrarchus labrax).Our in silico results showed the clear identification of six members in each fish species,from IL-17RA to IL-17RE-like,with well-conserved gene structure and protein domains with their human *** of them showed wide and constitutive transcription in naïve tissues but with highest levels in mucosal tissues,namely skin,gill or *** leucocytes,T mitogens showed the strongest up-regulation in most of the il17 receptors though il17ra resulted in inhibition by most ***,in vivo nodavirus infection resulted in alterations on the transcription of il17 *** nodavirus infection led to some increments in the il17ra,il17rb,il17rc and il17rd transcripts in the susceptible European sea bass,many down-regulations were observed in the resistant gilthead *** data identify the presence and conservation of six coding IL-17R in gilthead seabream and European sea bass as well as their differential regulation in vitro and upon nodavirus infection.

关键词： Th17 cells IL-17 receptors Immunity Teleost fish Nodavirus(NNV) Aquaculture

In-situ synthesis of quantum dots in the nucleus of live cells

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National Science Review 2024年第3期11卷 172-182页

作者： Yusi Hu Zhi-Gang Wang Haohao Fu Chuanzheng Zhou Wensheng Cai Xueguang Shao Shu-Lin Liu Dai-Wen Pang State Key Laboratory of Medicinal Chemical biology Frontiers Science Centre for New Organic MatterTianjin Key Laboratory of Biosensing and Molecular Recognition Research Centre for Analytical Sciences College of Chemistry School of Medicine and Frontiers Science Centre for Cell Responses Nankai University Haihe Laboratory of Sustainable Chemical Transformations

The cell nucleus is the main site for the storage and replication of genetic material, and the synthesis of substances in the nucleus is rhythmic, regular and strictly regulated by physiological processes. However,whether exogenous substances, such as nanoparticles, can be synthesized in situ in the nucleus of live cells has not been reported. Here, we have achieved in-situ synthesis of CdSxSe1-xquantum dots（QDs） in the nucleus by regulation of the glutathione（GSH） metabolic pathway. High enrichment of GSH in the nucleus can be accomplished by the addition of GSH with the help of the Bcl-2 protein. Then, high-valence Se is reduced to low-valence Se by glutathione-reductase-catalyzed GSH, and interacts with the Cd precursor formed through Cd and thiol-rich proteins, eventually generating QDs in the nucleus. Our work contributes to a new understanding of the syntheses of substances in the cell nucleus and will pave the way for the development of advanced ‘supercells’.

关键词： glutathione live cell nucleus quantum dot intracellular synthesis

Characterization of the infectivity of an Indonesian Zika virus strain in mammalian cell lines

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Asian Pacific Journal of Tropical Biomedicine 2024年第5期14卷 215-224页

作者： Justus Thomas Obiajulu Sievers Anom Bowolaksono R.Tedjo Sasmono Graduate School of biology Department of BiologyFaculty of Mathematics and Natural SciencesUniversitas IndonesiaDepok 16424Indonesia Eijkman Research Center for molecular biology National Research and Innovation AgencyCibinong 16911Indonesia cellular and molecular Mechanisms in Biological System Research Group Department of BiologyFaculty of Mathematics and Natural SciencesUniversitas IndonesiaDepok 16424Indonesia

Objective:To characterize the infection patterns and growth characteristics of the Zika virus(ZIKV)strain JMB-185 from Indonesia in various mammalian cell ***:ZIKV was grown in human(A549,HEK293,HepG2,Huh7,Jurkat,and THP-1)and non-human mammalian(RAW264.7,Vero,and Vero76)cell *** replication kinetics were measured using plaque assay,while intra-and extracellular viral RNA concentrations were assessed using *** cytometry was used to quantify the infected cells and cell viability was measured using an MTT *** ability of ZIKV to infect cell lines was visualized using a fluorescence immunostaining ***:This ZIKV strain preferentially infected the lung,kidney,and liver cell lines A549,HEK293,Huh7,Vero,and Vero76,but not the immune cells Jurkat,RAW264.7,and *** contrast,the ZIKV showed no sign of infection in HepG2 cells,while maintaining viral titer over 3 days post-infection,with no infection recorded in immunostaining,no increase in viral RNA,and no indication of cell ***:The Indonesian ZIKV strain has a similar infection profile as other strains,except for its poor infectivity on HepG2 *** on the growth characteristics of Indonesia ZIKV will help expand our understanding of the biology of ZIKV which will be useful for various applications including antiviral discovery.

关键词： Zika virus Infectivity Replication cell lines In vitro

Simultaneously targeting extracellular vesicle trafficking and TGF-β receptor kinase activity blocks signaling hyperactivation and metastasis

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Signal Transduction and Targeted Therapy 2024年第1期9卷 308-325页

作者： Adilson Fonseca Teixeira Yanhong Wang Josephine Iaria Peter ten Dijke Hong-Jian Zhu Department of Surgery(The Royal Melbourne Hospital) The University of MelbourneParkvilleVICAustralia Huagene institute Kecheng Science and Technology ParkPukou DistrictNanjingJiangsuChina Department of cell and Chemical biology Oncode InstituteLeiden University Medical CenterLeidenThe Netherlands

Metastasis is the leading cause of cancer-related *** growth factor beta(TGF-β)signaling drives metastasis and is strongly enhanced during cancer ***,the use of on-target TGF-βsignaling inhibitors in the treatment of cancer patients remains unsuccessful,highlighting a gap in the understanding of TGF-βbiology that limits the establishment of efficient anti-metastatic ***,we show that TGF-βsignaling hyperactivation in breast cancer cells is required for metastasis and relies on increased small extracellular vesicle(sEV)*** sEV’s unique role,TGF-βsignaling levels induced by sEVs exceed the activity of matching concentrations of soluble ligand TGF-β.Further,genetic disruption of sEV secretion in highlymetastatic breast cancer cells impairs cancer cell aggressiveness by reducing TGF-βsignaling to nearly-normal ***,TGF-βsignaling activity in non-invasive breast cancer cells is inherently low,but can be amplified by sEVs,enabling invasion and metastasis of poorly-metastatic breast cancer *** the translational potential of inhibiting sEV trafficking in advanced breast cancers,treatment with dimethyl amiloride(DMA)decreases sEV secretion,TGF-βsignaling activity,and breast cancer progression in *** both the sEV trafficking and TGF-βsignaling by combining DMA and SB431542 at suboptimal doses potentiated this effect,normalizing the TGF-βsignaling in primary tumors to potently reduce circulating tumor cells,metastasis,and tumor ***,this study establishes sEVs as critical elements in TGF-βbiology,demonstrating the feasibility of inhibiting sEV trafficking as a new therapeutic approach to impair metastasis by normalizing TGF-βsignaling levels in breast cancer cells.

关键词： metastasis doses invasion

RIOK1 synergizes with TRIP13 by regulating the E2F-Rb signaling pathway to promote the proliferation of esophageal cancer cells

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Genes & Diseases 2024年第3期11卷 55-58页

作者： Chengyu Li Deyuan Pan Wan Lin Danxia Deng Yingxin Zhou Hui Zhao Feng Pan Liyan Xu Enmin Li Lin Long The Key Laboratory of molecular biology for High Cancer Incidence Coastal Chaoshan Area Department of Biochemistry and Molecular BiologyShantou University Medical CollegeShantouGuangdong 515041China Guangdong Provincial Key Laboratory of Infectious Diseases and molecular Immunopathology Institute of Oncologic PathologyShantou University Medical CollegeShantouGuangdong 515041China institute of Basic Medical Science Cancer Research CenterShantou University Medical CollegeShantouGuangdong 515041China Clinical Research Center Shantou Central HospitalShantouGuangdong 515041China

Esophageal cancer is one of the leading causes of cancer death in the world,with approximately half of the new cases occurring in China every year.^(1)Esophageal squamous cell carcinoma(ESCC)is the main subtype,accounting for more than 90%,and the five-year survival rate is less than 10%.Using large-scale genome analysis,many driver mutations and key pathways associated with ESCC have been ***,these genomic signatures have not improved the clinical management of EscC patients,or established effective targeted therapy.^(2)Esophageal cancer still lacks representative molecular markers.

关键词： cancer esophageal Esophageal

Neutrophils are shaped by the tumor microenvironment:novel possibilities for targeting neutrophils in cancer

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Signal Transduction and Targeted Therapy 2024年第5期9卷 1788-1790页

作者： Carlos Silvestre-Roig Lydia Kalafati Triantafyllos Chavakis institute of Experimental Pathology(ExPat) Center for Molecular Biology of Inflammation(ZMBE)University of MünsterMünsterGermany institute for Clinical Chemistry and Laboratory Medicine University Hospital and Faculty of MedicineTechnische Universität DresdenDresdenGermany

In a recent paper published in Science,Ng et *** seminal insights into the process through which neutrophils are reprogrammed by the tumor environment,leading to a convergent transition from different neutrophil states towards a unique end-stage differentiated pro-tumor phenotype.1 These findings have major translational implications as they provide potential neutrophil-related targets for tumor immunotherapy.

关键词： al. neutrophils tumor