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c-myb is involved in CML progression and is a therapeutic target in the zebrafish CML model

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Animal Models and Experimental Medicine 2024年第2期7卷 136-144页

作者： Yin Ye Xiaojun Yang Feifei Li Wei Liu Wenqing Zhang Zhibin Huang Division of Cell Developmental and Integrative BiologySchool of MedicineSouth China University of TechnologyGuangzhouChina

Background:Despite the success of tyrosine kinase inhibitors in chronic myeloid leukemia(CML)therapy,CML still faces the challenges of drug resistance and progression to blast ***-five percent of patients have imatinib resistance and treatment difficulties due to heterogeneity after progression,but little is known about the mechanism.A key transcription factor in hematopoiesis,MYB,has been reported to increase abnormally in several types of aggressive blood disorders including ***:This study used a zebrafish model to explore the relationship between BCR/ABL1 and c-myb in CML progression.A CML zebrafish model was crossed with a c-myb hyperactivity transgenic ***:It was found that both exogenous BCR/ABL1 and c-myb could up-regulate the expression of neutrophil-related *** seriously,neutrophil accumulation was observed when BCR/ABL1 was combined with c-myb *** studies showed that c-myb may be one of the downstream targets of BCR/ABL1 and the effect of BCR/ABL1 on neutrophils was c-myb *** advantage of this inheritable in vivo model,it was shown that a combination of imatinib and flavopiridol,a cyclin-dependent kinase inhibitor targeting MYB,could more effectively alleviate the aggressive phenotype of the double transgene ***:In summary,this study suggests that c-myb acts downstream of BCR/ABL1 and is involved in CML progression and is therefore a risk factor and a valuable target for the treatment of CML *** model used in the study could be helpful in high-throughput drug screening in CML transformation.

关键词： chronic myeloid leukemia c-myb flavopiridol zebrafish model

Effects of acupuncture on hypothalamic–pituitary–adrenal axis:Current status and future perspectives

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Journal of integrative Medicine 2024年第4期22卷 445-458页

作者： Jia-yuan Zheng Jing Zhu Yu Wang Zhan-zhuang Tian Department of integrative Medicine and Neurobiology School of Basic Medical SciencesState Key Laboratory of Medical Neurobiology and Ministry of Education Frontiers Center for Brain ScienceInstitutes of Brain ScienceInstitute of Acupuncture ResearchAcademy of Integrative MedicineShanghai Key Laboratory for Acupuncture Mechanism and Acupoint FunctionShanghai Medical CollegeFudan UniversityShanghai 200032China Department of Human Anatomy School of Integrative MedicineShanghai University of Traditional Chinese MedicineShanghai 201203China

The hypothalamic–pituitary–adrenal(HPA) axis is a critical component of the neuroendocrine system,playing a central role in regulating the body's stress response and modulating various physiological processes. Dysregulation of HPA axis function disrupts the neuroendocrine equilibrium, resulting in impaired physiological functions. Acupuncture is recognized as a non-pharmacological type of therapy which has been confirmed to play an important role in modulating the HPA axis and thus favorably targets diseases with abnormal activation of the HPA axis. With numerous studies reporting the promising efficacy of acupuncture for neuroendocrine disorders, a comprehensive review in terms of the underlying molecular mechanism for acupuncture, especially in regulating the HPA axis, is currently in need. This review fills the need and summarizes recent breakthroughs, from the basic principles and the pathological changes of HPA axis dysfunction, to the molecular mechanisms by which acupuncture regulates the HPA axis. These mechanisms include the modulation of multiple neurotransmitters and their receptors, neuropeptides and their receptors, and microRNAs in the paraventricular nucleus,hippocampus, amygdala and pituitary gland, which alleviate the hyperfunctioning of the HPA *** review comprehensively summarizes the mechanism of acupuncture in regulating HPA axis dysfunction for the first time, providing new targets and prospects for further exploration of acupuncture.

关键词： Acupuncture Electroacupuncture Hypothalamic-pituitary-adrenal axis Mechanism Neurotransmitter microRNA

Huoxue Jiedu Huayu recipe(活血解毒化瘀方) inhibits macrophage-secreted vascular endothelial growth factor-a on angiogenesis and alleviates renal fibrosis in the contralateral kidneys of unilateral ureteral obstruction rats

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Journal of Traditional Chinese Medicine 2024年第3期44卷 458-467页

作者： GAO Xiaomeng QIANG Panpan CHANG Jingyue FAN Lili YANG Fan XU Qingyou Graduate school Hebei University of Chinese Medicine Hebei Key Laboratory of integrative Medicine on Liver-Kidney Patterns Hebei University of Chinese Medicine Institute of integrative Medicine Hebei University of Chinese Medicine

OBJECTIVE: To elucidate the mechanism by which Huoxue Jiedu Huayu recipe( 活血解毒化瘀方, HJHR) regulates angiogenesis in the contralateral kidney of unilateral ureteral obstruction(UUO) rats and the mechanism by which it reduces of renal fibrosis. METHODS: Male Wistar rats were randomly divided into 4 groups: the sham group, UUO group(180 d of left ureter ligation), UUO plus eplerenone(EPL) group, and UUO plus HJHR group. After 180 d of oral drug administration, blood and contralateral kidneys were collected for analysis. Angiogenesis-and fibrosis-related indexes were detected. RESULTS: HJHR and EPL improved structural damage and renal interstitial fibrosis in the contralateral kidney and reduced the protein expression levels of α-smooth muscle actin(α-SMA), vimentin and collagen I. Moreover, these treatments could reduce the expression of vascular endothelial growth factor-A(VEGFA) by inhibiting the infiltration of macrophages. Furthermore, HJHR and EPL significantly reduced the expression of CD34 and CD105 by downregulating VEGFA production, which inhibited angiogenesis. Finally, the coexpressions of CD34, CD105 and α-SMA were decreased in the HJHR and EPL groups, indicating that endothelial-to-mesenchymal transition was inhibited. CONCLUSIONS: These findings confirm that HJHR alleviates contralateral renal fibrosis by inhibiting VEGFAinduced angiogenesis, encourage the use of HJHR against renal interstitial fibrosis and provide a theoretical basis for the clinical management of patients with CKD.

关键词： Huoxue Jiedu Huayu recipe aldosterone epithelial-mesenchymal transition eplerenone receptors, mineralocorticoid unilateral ureteral obstruction

TDP-43 is a key molecule accelerating development of Alzheimer’s disease following traumatic brain injury

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Neural Regeneration Research 2024年第5期19卷 955-956页

作者： Chu Chen Department of Cellular and integrative Physiology Long School of MedicineUniversity of Texas Health Science Center at San AntonioSan AntonioTXUSA

Currently,more than 55 million people have dementia worldwide and Alzheimer’s disease(AD)is one of the most common causes of dementia in ***,no effective therapies are currently available for the prevention and treatment of *** is largely due to our limited understanding of the mechanisms underlying the neuropathogenesis of *** has widely been recognized that AD is heterogeneous and that multi-factors are contributing to the pathogenesis of *** evidence suggests that traumatic brain injury(TBI)is an important risk factor for the development of AD and dementia later in life(Guo et al.,2000;Johnson et al.,2010).However,the precise mechanism by which TBI contributes to developing AD has yet to be elucidated.

关键词： Alzheimer traumatic

Activation of stress-response genes by retrograde signaling-mediated destabilization of nuclear importin IMPα-9 and its interactor TPR2

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Molecular Plant 2024年第6期17卷 884-899页

作者： Liping Zeng Maria Fernanda Gomez Mendez Jingzhe Guo Jishan Jiang Bailong Zhang Hao Chen Brandon Le Haiyan Ke Katayoon Dehesh Department of Botany and Plant Sciences Institute of Integrative Genome BiologyUniversity of CaliforniaRiversideRiversideCA 92521USA school of Medicine University of CaliforniaRiversideRiversideCA 92521USA

Stress-induced retrograde signal transmission from the plastids to the nucleus has long puzzled plant *** address this,we performed a suppressor screen of the ceh1 mutant,which contains elevated 2-C-methyl-d-erythritol-2,4-cyclopyrophosphate(MEcPP)levels,and identified the gain-of-function mutant impα-9,which shows reversed dwarfism and suppressed expression of stress-response genes in the ceh1 background despite heightened *** genetic and biochemical analyses established that the accumulation of MEcPP initiates an upsurge in Arabidopsis SKP1-like 1(ASK1)abundance,a pivotal component in the proteasome degradation *** increase in ASK1 prompts the degradation of IMPα-***,we uncovered a protein-protein interaction between IMPα-9 and TPR2,a transcriptional co-suppressor and found that a reduction in IMPα-9 levels coincides with a decrease in TPR2 ***,the interaction between IMPα-9 and TPR2 was disrupted in impα-9 mutants,highlighting the critical role of a single amino acid alteration in maintaining their *** of their interaction results in the reversal of MEcPP-associated *** immunoprecipitation coupled with sequencing analyses revealed that TPR2 binds globally to stress-response genes and suggested that IMPα-9 associates with the *** function together to suppress the expression of stress-response genes under normal conditions,but this suppression is alleviated in response to stress through the degradation of the suppressing *** biological relevance of our discoveries was validated under high light stress,marked by MEcPP accumulation,elevated ASK1 levels,IMPα-9 degredation,reduced TPR2 abundance,and subsequent activation of a network of stress-response *** summary,our study collectively unveils fresh insights into plant adaptive mechanisms,highlighting intricate interactions among retrograde signaling,the proteasome,and nuclear transport machinery.

关键词： plastidial retrograde signal MEcPP ASK1 impα-9 TPR2

Research Advance of Chinese Medicine in Treating Atherosclerosis:Focus on Lipoprotein-Associated Phospholipase A2

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Chinese Journal of integrative Medicine 2024年第3期30卷 277-288页

作者： WANG Lu-ming ZHANG Wen-lan LYU Nuan SUO Yan-rong YANG Lin YU Bin JIANG Xi-juan school of integrative Medicine Tianjin University of Traditional Chinese MedicineTianjin301617China Department of Traditional Chinese Medicine Ganzhou People’s HospitalGanzhouJiangxi Province341000China school of Medical Technology Tianjin University of Traditional Chinese MedicineTianjin301617China

As a serious cardiovascular disease,atherosclerosis(AS)causes chronic inflammation and oxidative stress in the body and poses a threat to human ***-associated phospholipase A2(Lp-PLA2)is a member of the phospholipase A2(PLA2)family,and its elevated levels have been shown to contribute to ***-PLA2 is closely related to a variety of lipoproteins,and its role in promoting inflammatory responses and oxidative stress in AS is mainly achieved by hydrolyzing oxidized phosphatidylcholine(ox PC)to produce lysophosphatidylcholine(lyso PC).Moreover,macrophage apoptosis within plaque is promoted by localized Lp-PLA2 which also promotes plaque *** paper reviews those researches of Chinese medicine in treating AS via reducing Lp-PLA2 levels to guide future experimental studies and clinical applications related to AS.

关键词： lipoprotein-associated phospholipase A2 atherosclerosis inflammation oxidative stress apoptosis Chinese medicine

Analysis of Hot Topics Regarding global Smart Elderly Care Research—1997-2021

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China CDC weekly 2024年第9期6卷 157-161页

作者： Hongman Wang Hong Chen Yuqi Wang school of Health Humanities Peking UniversityBeijingChina Center for global Public Health Chinese Center for Disease Control and PreventionBeijingChina

Summary What is already known about this topic?With the assistance of the internet,big data,cloud computing,and other technologies,the concept of smart elderly care has *** is added by this report?This study presents information on the countries or regions that have conducted research on smart elderly care,as well as identifies global hotspots and development trends in this field.

关键词： Smart internet smart

Promoting higher-valent pediatric combination vaccines in China: challenges and recommendations for action

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Infectious Diseases of Poverty 2024年第1期13卷 74-84页

作者： Jiuling Li Shu Chen dwin Asturias Shenglan Tang Fuqiang Cui global Health Research Center Duke Kunshan UniversityKunshanJiangsuChina ARC Centre of Excellence in Population Ageing Research(CEPAR) Universityof New SouthWalesSydneyAustralia school of Risk and Actuarial Studies University of New South WalesSydneyAustralia Department of Pediatrics University of Colorado School of MedicineAuroraCOUSA Center for global Health Colorado School of Public HealthAuroraCOUSA Department of Epidemiology Colorado School of Public HealthAuroraCOUSA Duke global Health Institute Duke UniversityDurhamNCUSA SingHealth Duke-NUS global Health Institute Duke-NUSSingaporeSingapore Department of Laboratorial Science and Technology School of Public HealthPeking UniversityBeijingChina Vaccine Research Center School of Public HealthPeking UniversityBeijingChina

Many countries have adopted higher-valent pediatric combination vaccines to simplify vaccination schedules and minimize health expenditures and social ***,China is conservative in the use of pediatric combina-tion *** reviewing and synthesizing quantitative and qualitative data,in this commentary we identify gaps and challenges to combination vaccine use and make recommendations for promoting use of higher-valent pediatric combination vaccines in *** are in four dimensions:(1)legislation and regulation,(2)immunization schedule design,(3)vaccine awareness and price,and(4)research and development *** optimize the use of combination vaccines to reduce vaccine-preventable disease burden,we make recommendations that address key challenges:(1)develop policies and regulations to strengthen enforcement of the Vaccine Administration Law and remove regulatory hurdles that hinder combination vaccine research and development,(2)establish an evi-dence-informed policy-making mechanism for combination vaccines,(3)resolve immunization schedule conflicts between monovalent and combination vaccines,and(4)implement effective interventions to increase vaccine awareness and reduce price.

关键词： Combination vaccine National immunization program Childhood immunization Vaccine-preventable disease

Reply to “Beyond microbial carbon use efficiency”

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National Science Review 2024年第4期11卷 35-37页

作者： Feng Tao Johannes Lehmann Ying-Ping Wang Lifen Jiang Bernhard Ahrens Kostiantyn Viatkin Stefano Manzoni Benjamin Z.Houlton Yuanyuan Huang Xiaomeng Huang Yiqi Luo Department of Ecology and Evolutionary Biology Cornell University Soil and Crop Sciences Section School of Integrative Plant ScienceCornell University CSIRO Environment Max Planck Institute for Biogeochemistry Department of Physical Geography and Bolin Centre for Climate Research Stockholm University Department of global Development Cornell University Key Laboratory of Ecosystem Network Observation and Modeling Institute of Geographic Sciences and Natural Resources Research Chinese Academy of Sciences Department of Earth System Science Ministry of Education Key Laboratory for Earth System Modelling Institute for Global Change Studies Tsinghua University

In their commentary, Xiao et al.[1]cautioned that the conclusions on the critical role of microbial carbon use efficiency (CUE) in global soil organic carbon (SOC) storage in the paper by Tao et al.[2] might be too *** claimed that Tao et al.’s study lacked mechanistic consideration of SOC formation and excluded important data *** et al. brought up important points,which can be largely reconciled with our findings by understanding the differences in expressing processes in empirical studies and in models.

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