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Unraveling the complexity of polycystic ovary syndrome with animal models

Journal of Genetics and Genomics 2024年第2期51卷 144-158页

作者： Huanju Liu Mixue Tu Zhiyong Yin Dan Zhang Jun Ma Feng He Center for Genetic Medicine The Fourth Affiliated HospitalZhejiang University School of MedicineHangzhouZhejiang 310058China key laboratory of Women's reproductive health of Zhejiang Province and Department of reproductive Endocrinology Women's HospitalZhejiang University School of MedicineHangzhouZhejiang 310006China Zhejiang provincial Clinical research Center for Child health Women's HospitalZhejiang University School of MedicineHangzhouZhejiang 310006China Clinical research Center on Birth Defect Prevention and Intervention of Zhejiang Province HangzhouZhejiang 310006China Institute of Genetics Zhejiang University International School of MedicineHangzhouZhejiang 310058China Zhejiang provincial key laboratory of Genetic and Developmental Disorder HangzhouZhejiang 310058China

Polycystic ovary syndrome (PCOS) is a highly familial and heritable endocrine disorder. Over half of the daughters born to women with PCOS may eventually develop their own PCOS-related symptoms. Progress in the treatment of PCOS is currently hindered by the complexity of its clinical manifestations and incomplete knowledge of its etiopathogenesis. Various animal models, including experimentally induced, naturally occurring, and spontaneously arising ones, have been established to emulate a wide range of phenotypical and pathological traits of human PCOS. These studies have led to a paradigm shift in understanding the genetic, developmental, and evolutionary origins of this disorder. Furthermore, emerging evidence suggests that animal models are useful in evaluating state-of-the-art drugs and treatments for PCOS. This review aims to provide a comprehensive summary of recent studies of PCOS in animal models, highlighting the power of these disease models in understanding the biology of PCOS and aiding high-throughput approaches.

关键词： Polycystic ovary syndrome Animal model Genetc manipulation Developmnental progtanning Drug screening

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DENND1A desensitizes granulosa cells to FSH by arresting intracellular FSHR transportation

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Science China Life Sciences 2024年第8期 1620-1634页

作者： Yunde Dou Rusong Zhao Han Wu Zhiheng Yu Changjian Yin Jie Yang Chaoyan Yang Xiaohua Luan Yixiao Cheng Tao Huang Yuehong Bian Shan Han Yuqing Zhang Xin Xu Zi-Jiang Chen Han Zhao Shigang Zhao National research Center for Assisted reproductive Technology and reproductive Genetics Shandong University The Affiliated Suzhou Hospital of Nanjing Medical University Suzhou Municipal Hospital Nanjing Medical University Gusu School Nanjing Medical University Guangdong provincial People's Hospital Guangdong Academy of Medical Sciences Guangdong-Hong Kong Metabolism & Reproduction Joint laboratory Institute of Women Guangdong Second provincial General Hospital reproductive Medicine Center Guangdong Second provincial General Hospital research Unit of Gametogenesis and health of ART-Offspring Chinese Academy of Medical Sciences (No.2021RU001) Shanghai key laboratory for Assisted Reproduction and reproductive Genetics Center for reproductive Medicine Renji Hospital School of Medicine Shanghai Jiao Tong University Children and reproductive health Shandong University State key laboratory of reproductive Medicine and Offspring health key laboratory of reproductive Endocrinology of Ministry of Education Shandong University Shandong key laboratory of reproductive Medicine Shandong University Shandong provincial Clinical research Center for reproductive health

Polycystic ovary syndrome(PCOS) is a complex disorder.Genome-wide association studies(GWAS) have identified several genes associated with this condition,including DENND1A.DENND1A encodes a clathrin-binding protein that functions as a guanine nucleotide exchange factor involved in vesicular transport.However,the specific role of DENND1A in reproductive hormone abnormalities and follicle development disorders in PCOS remain poorly understood.In this study,we investigated DENND1A expression in ovarian granulosa cells(GCs)from PCOS patients and its correlation with hormones.Our results revealed an upregulation of DENND1A expression in GCs from PCOS cases,which was positively correlated with testosterone levels.To further explore the functional implications of DENND1A,we generated a transgenic mouse model overexpressing Dennd1a(TG mice).These TG mice exhibited subfertility,irregular estrous cycles,and increased testosterone production following PMSG stimulation.Additionally,the TG mice displayed diminished responsiveness to FSH,characterized by smaller ovary size,less well-developed follicles,and abnormal expressions of FSH-priming genes.Mechanistically,we found that Dennd1a overexpression disrupted the intracellular trafficking of follicle stimulating hormone receptor(FSHR),promoting its internalization and inhibiting recycling.These findings shed light on the reproductive role of DENND1A and uncover the underlying mechanisms,thereby contributing valuable insights into the pathogenesis of PCOS and providing potential avenues for drug design in PCOS treatment.

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Phase separation of Nur77 mediates XS561-induced apoptosis by promoting the formation of Nur77/Bcl-2 condensates

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Acta Pharmaceutica Sinica B 2024年第3期14卷 1204-1221页

作者： Xiaohui Chen Meichun Gao Yongzhen Xia Xin Wang Jingbo Qin Hongying He Weirong Liu Xiaowei Zhang Shuangzhou Peng Zhiping Zeng Ying Su Xiaokun Zhang School of Pharmaceutical Science Fujian Provincial Key Laboratory of Innovative Drug Target ResearchXiamen UniversityXiamen 361002China NucMito Pharmaceuticals Co. Ltd.Xiamen 361000China Department of Clinical laboratory the Fifth Affiliated Hospital of Sun Yat-sen UniversityZhuhai 519000China

The orphan nuclear receptor Nur77 is a critical regulator of the survival and death of tumor cells.The pro-death effect of Nur77 can be regulated by its interaction with Bcl-2,resulting in conversion of Bcl-2 from a survival to killer.As Bcl-2 is overexpressed in various cancers preventing them from apoptosis and promoting their resistance to chemotherapy,targeting the apoptotic pathway of Nur77/Bcl-2 may lead to new cancer therapeutics.Here,we report our identification of XS561 as a novel Nur77 ligand that induces apoptosis of tumor cells by activating the Nur77/Bcl-2 pathway.In vitro and animal studies revealed an apoptotic effect of XS561 in a range of tumor cell lines including MDA-MB-231 triple-negative breast cancer(TNBC)and MCF-7/LCC2 tamoxifen-resistant breast cancer(TAMR)in a Nur77-dependent manner.Mechanistic studies showed XS561 potently induced the translocation of Nur77 from the nucleus to mitochondria,resulting in mitochondria-related apoptosis.Interestingly,XS561-induced accumulation of Nur77 at mitochondria was associated with XS561 induction of Nur77 phase separation and the formation of Nur77/Bcl-2 condensates.Together,our studies identify XS561 as a new activator of the Nur77/Bcl-2 apoptotic pathway and reveal a role of phase separation in mediating the apoptotic effect of Nur77 at mitochondria.

关键词： XS561 Nur77 Bcl-2 Apoptosis Mitochondria Phase separation TNBC TAMR

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Enhancing hydrolytic stability of dynamic imine bonds and polymers in acidic media with internal protecting groups

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Chinese Chemical Letters 2024年第5期35卷 161-165页

作者： Hang Chen Chengzhi Cui Hebo Ye Hanxun Zou Lei You College of Environmental and Biological Engineering Fujian Provincial Key Laboratory of Ecology-Toxicological Effects&Control for Emerging ContaminantsPutian UniversityPutian 351100China State key laboratory of Structural Chemistry Fujian Institute of Research on the Structure of MatterChinese Academy of SciencesFuzhou 350002China College of Chemistry and Material Science Fujian Normal UniversityFuzhou 350007China fujian Science&Technology Innovation laboratory for Optoelectronic Information of China Fuzhou 350108China

Imine bonds are among the most explored building motifs in dynamic chemistry,polymers,and materials,and yet,their acid-resistance remains a longstanding issue.Herein we demonstrate a concept of internal protecting groups for improving the kinetic stability of dynamic imine bonds and polymers.Systematic examination of structure-reactivity relationship of a series of aldehydes/imines bearing a neighboring carboxyl allowed uncovering of required structural features for dynamically masking imine bonds with cyclic structures.Mechanistic studies indicated that noncovalent interactions along with sterics control the ringchain equilibrium and the stability of imine bonds.The incorporation of internal protecting groups into imine polymers further enabled their controlled stability in acidic media.Moreover,a combination of dynamic covalent network and coordination supramolecular network provided a facile means for the modulation of luminescent and mechanical properties of polymers.The strategies and results reported should be beneficial to molecular assemblies,dynamic polymers,biological delivery,and intelligent materials.

关键词： Dynamic covalent chemistry Internal protecting group Kinetic stability Imine bond Dynamic polymer

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Pien Tze Huang Inhibits Proliferation of Colorectal Cancer Cells through Suppressing PNO1 Expression and Activating p53/p21 Signaling Pathway

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Chinese Journal of Integrative Medicine 2024年第6期30卷 515-524页

作者： CAO Liu-jing LIU Li-ya CHEN You-qin HAN Yu-ying WEI Li-hui YAO Meng-ying FANG Yi WU Mei-zhu CHENG Ying Thomas J.Sferra LIU Hui-xin LI Li PENG Jun SHEN A-ling Clinical research Institute the Second Affiliated Hospital&Academy of Integrative MedicineFujian University of Traditional Chinese MedicineFuzhou350122China fujian key laboratory of Integrative Medicine in Geriatrics Fujian University of Traditional Chinese MedicineFuzhou350122China Department of Pediatrics Case Western Reserve University School of MedicineUH Rainbow Babies and Children’s HospitalClevelandOH44106USA Innovation and Transformation Center Fujian University of Traditional Chinese MedicineFuzhou350122China Department of health Management Fujian Provincial HospitalShengli Clinical College of Fujian Medical UniversityFuzhou000000China

ObjectiveTo explore the regulatory effect of Pien Tze Huang (PZH) on targeting partner of NOB1 (PNO1) and it’s down-stream mediators in colorectal cancer (CRC) cells.MethodsQuantitative polymerase chain reaction was performed to determine mRNA levels of PNO1, TP53, and CDKN1A. Western blotting was performed to determine protein levels of PNO1, p53, and p21. HCT-8 cells were transduced with a lentivirus over-expressing PNO1. Colony formation assay was used to detect cell survival in PNO1 overexpression of HCT-8 cells after PZH treatment. Cell-cycle distribution, cell viability and cell apoptosis were performed to identify the effect of PNO1 overexpression on cell proliferation and apoptosis of HCT-8 cells after PZH treatment. Xenograft BALB/c nude mice bearing HCT116 cells transduced with sh-PNO1 or sh-Ctrl lentivirus were evaluated. Western blot assay was performed to detect PNO1, p53, p21 and PCNA expression in tumor sections. Terminal deoxynucleotidyl transferase dUTP nick end labling (TUNEL) assay was used to determine the apoptotic cells in tissues.ResultsPZH treatment decreased cell viability, down-regulated PNO1 expression, and up-regulated p53 and p21 expressions in HCT-8 cells (P<0.05). PNO1 overexpression attenuated the effects of PZH treatment, including the expression of p53 and p21, cell growth, cell viability, cell cycle arrest and cell apoptosis in vitro (P<0.05). PNO1 knockdown eliminated the effects of PZH treatment on tumor growth, inhibiting cell proliferation inhibition and apoptosis induction in vivo (P<0.05). Similarly, PNO1 knockdown attenuated the effects of PZH treatment on the down-regulation of PNO1 and up-regulation of p53 and p21 in vivo (P<0.05).ConclusionThe mechanism by which PZH induces its CRC anti-proliferative effect is at least in part by regulating the expression of PNO1 and its downstream targets p53 and p21.

关键词： colorectal cancer Pien Tze Huang Chinese medicine partner of NOB1 proliferation p53/p21 pathway

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Synergic catalysis of W and Ni originating from substitution of trivacant phosphotungstate for the selective oxidation of aniline to azoxybenzene

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Chinese Chemical Letters 2024年第2期35卷 558-563页

作者： Sheng Cai Xiao-Yuan Wu Weiming Wu Sa-Sa Wang Can-Zhong Lu CAS key laboratory of Design and Assembly of Functional Nanostructures and Fujian Provincial Key Laboratory of NanomaterialsFujian Institute of Research on the Structure of MatterChinese Academy of SciencesFuzhou 350002China College of Chemistry and Materials Science Fujian Normal UniversityFuzhou 350117China Xiamen Institute of Rare Earth Materials Chinese Academy of SciencesXiamen 361021China University of Chinese Academy of Sciences Beijing 100049China

Partial substitution of polyoxometalate(POM)is an efficient route to modulate the catalytic property of maternal POM.In this work,a new Keggin type POM involving{Ni 6}cluster,{[Ni(H_(2) O)_(2)(Dach)_(2)][Ni(Dach)_(2)]_(2)}{[Ni_(6)Cl(μ-OH)_(3)(H_(2) O)(Dach)_(3)(WO_(4))(PW9 O_(3)_(4))][Ni_(6)(μ-OH)_(3)(H_(2) O)_(2)(Dach)_(3)(WO_(4))(PW9 O_(3)_(4))]}Cl·27H_(2) O,(1,Dach=1,2-diaminocyclohexane)was synthesized.Compounds 1 shows excellent catalytic performance in the selective oxidation of aniline to azoxybenzene(AOB)in water.The apparently different results from that with the matrix{PW 9 O_(3)_(4)}({PW9})suggest the successful regulation of the catalytic property of{PW9}by the introduction of the{Ni6}cluster into the skeleton.The experimental results indicate that the highlighted performance of 1 is contributed by the synergy of W and Ni sites,which are respectively responsible for the oxidation and condensation steps in the production of AOB.The good selectivity to AOB is essentially attributed to the effective modulation of the reaction rates of oxidation and condensation steps by W and Ni sites,respectively.

关键词： Polyoxometalate {Ni6}cluster Modulated catalytic property Aniline oxidation Azoxybenzene

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The Magnaporthe oryzae effector Avr-PikD suppresses rice immunity by inhibiting an LSD1-like transcriptional activator

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The Crop Journal 2024年第2期12卷 482-492页

作者： Jiayuan Guo Yiling Wu Jianqiang Huang Kaihui Yu Meilian Chen Yijuan Han Zhenhui Zhong Guodong Lu Yonghe Hong Zonghua Wang Xiaofeng Chen fujian Universities Engineering research Center of Marine Biology and Drugs Fuzhou Institute of OceanographyCollege of Geography and OceanographyMinjiang UniversityFuzhou 350108FujianChina Rice research Institute Fujian Academy of Agricultural SciencesFuzhou 350018FujianChina Ministerial and provincial Joint Innovation Center for Safety Production of Cross-Strait Crops Minjiang UniversityFuzhou 350108FujianChina State key laboratory of Ecological Pest Control for fujian and Taiwan Crops College of Plant ProtectionFujian Agriculture and Forestry UniversityFuzhou 350002FujianChina

Avirulence effectors(Avrs),encoded by plant pathogens,can be recognized by plants harboring the corresponding resistance proteins,thereby initiating effector-triggered immunity(ETI).In susceptible plants,however,Avrs can function as effectors,facilitating infection via effector-triggered susceptibility(ETS).Mechanisms of Avr-mediated ETS remain largely unexplored.Here we report that the Magnaporthe oryzae effector Avr-PikD enters rice cells via the canonical cytoplasmic secretion pathway and suppresses rice basal defense.Avr-PikD interacts with an LSD1-like transcriptional activator AKIP30 of rice,and AKIP30 is also a positive regulator of rice immunity,whereas Avr-PikD impedes its nuclear localization and suppresses its transcriptional activity.In summary,M.oryzae delivers Avr-PikD into rice cells to facilitate ETS by inhibiting AKIP30-mediated transcriptional regulation of immune response against M.oryzae.

关键词： Magnaporthe oryzae Avirulence effector Avr-PikD Effector-triggered susceptibility Rice immunity Transcriptional activator

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Lactate regulates major zygotic genome activation by H3K18 lactylation in mammals

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National Science Review 2024年第2期11卷 124-134页

作者： Jingyu Li Weibo Hou Qi Zhao Wei Han Hongdi Cui Songling Xiao Ling Zhu Jiadan Qu Xiaoyu Liu Weitao Cong Jingling Shen Yuzheng Zhao Shaorong Gao Guoning Huang Qingran Kong Chongqing key laboratory of Human Embryo Engineering Center for Reproductive Medicine Chongqing Health Center for Women and ChildrenWomen and Children's Hospital of Chongqing Medical University Oujiang laboratory Zhejiang Provincial Key Laboratory of Medical Genetics Key Laboratory of Laboratory MedicineMinistry of EducationSchool of Laboratory Medicine and Life Sciences Wenzhou Medical University Frontier Science Center for Stem Cell research School of Life Sciences and Technology Tongji University School of Pharmaceutical Science Wenzhou Medical University Institute of Life Sciences College of Life and Environmental Sciences Wenzhou University Optogenetics&Synthetic Biology Interdisciplinary research Center State Key Laboratory of Bioreactor Engineering Shanghai Frontiers Science Center of Optogenetic Techniques for Cell Metabolism School of Pharmacy East China University of Science and Technology

Lactate is present at a high level in the microenvironment of mammalian preimplantation embryos in vivo and in vitro. However, its role in preimplantation development is unclear. Here, we report that lactate is highly enriched in the nuclei of early embryos when major zygotic genome activation(ZGA) occurs in humans and mice. The inhibition of its production and uptake results in developmental arrest at the 2-cell stage, major ZGA failure, and loss of lactate-derived H3K18lac, which could be rescued by the addition of Lac-Co A and recapitulated by overexpression of H3K18R mutation. By profiling the landscape of H3K18lac during mouse preimplantation development, we show that H3K18lac is enriched on the promoter regions of most major ZGA genes and correlates with their expressions. In humans, H3K18lac is also enriched in ZGA markers and temporally concomitant with their expressions. Taken together, we profile the landscapes of H3K18lac in mouse and human preimplantation embryos, and demonstrate the important role for H3K18lac in major ZGA, showing that a conserved metabolic mechanism underlies preimplantation development of mammalian embryos.

关键词： mammalian preimplantation development lactate epigenetic remodeling histone lactylation zygotic genome activation

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Novel 2D bifunctional layered rare-earth hydroxides@GO catalyst as a functional interlayer for improved liquid-solid conversion of polysulfides in lithium-sulfur batteries

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Chinese Chemical Letters 2024年第5期35卷 434-440页

作者： Haodong Wang Xiaoxu Lai Chi Chen Pei Shi Houzhao Wan Hao Wang Xingguang Chen Dan Sun CAS key laboratory of Design and Assembly of Functional Nanostructures and fujian provincial key laboratory of Nanomaterials Fujian Institute of Research on the Structure of MatterChinese Academy of SciencesFuzhou 350002China College of Chemistry and Materials Fujian Normal UniversityFuzhou 350007China Xiamen Institute of Rare Earth Materials Haixi InstitutesChinese Academy of SciencesXiamen 361021China School of Microelectronics Hubei UniversityWuhan 430062China Xiamen key laboratory of Rare Earth Photoelectric Functional Materials Xiamen 361021China

The detrimental“shuttle effect”of lithium polysulfides(LiPSs)together with sluggish multi-order reaction kinetics are the main drawbacks hindering lithium-sulfur(Li-S)batteries from commercial success.Here,we first propose the implementability of layered rare-earth hydroxides(LREHs)in Li-S batteries to optimize electrochemical performance.In this work,a two-dimensional(2D)rare-earth-based composite constructed by the layered gadolinium hydroxy chloride[Gd_(2)(OH)_(5)(H_(2)O)_(n)]Cl nanoplates(LGdH NPs)and graphene oxide(GO)was designed as a sulfur immobilizer for Li-S batteries.Combining the experimental results and density functional theory(DFT)calculations,it is revealed that the LGdH@GO composite not only provides a strong anchoring of the intermediates during cycling,but also acts as an effective catalyst to accelerate the liquid-solid conversion of polysulfides.The Li-S batteries assembled by LGdH@GO modified separators delivered a superior rate performance with a specific capacity of 605.34 mAh/g at 5 C,as well as excellent cycle stability with a decay rate of 0.087%over 500 cycles at 2 C.This study provided a deep understanding of the mechanism to suppress the“shuttle effect”by the LREHs,and a guide to design effective functional interlayers for high-performance Li-S batteries with excellent electrocatalytic activity.

关键词： Lithium-sulfur batteries Functional separator Layered rare-earth hydroxides Shuttle effect Adsorption Catalysis

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Adhesion strength of tetrahydrofuran hydrates is dictated by substrate stiffness

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Petroleum Science 2024年第1期21卷 667-673页

作者： Yan-Wen Lin Tong Li Yi Zhang Wei-Wei Yan Xiao-Ming Chen Zhi-Sen Zhang Jian-Yang Wu Department of Physics Research Institute for Biomimetics and Soft MatterJiujiang Research Institute and Fujian Provincial Key Laboratory for Soft Functional Materials ResearchXiamen UniversityXiamen361005FujianChina key laboratory of Marine Materials and Related Technologies Zhejiang Key Laboratory of Marine Materials and Protective TechnologiesNingbo Institute of Materials Technology and EngineeringChinese Academy of SciencesNingbo315201ZhejiangChina key laboratory of Icing and Anti/De-icing China Aerodynamics Research and Development CenterMianyang621000SichuanChina Micro-and Nano-technology research Center State Key Laboratory for Manufacturing Systems EngineeringXi’an Jiaotong UniversityXi’an710049ShaanxiChina Electronic Materials research Lab Key Laboratory of the Ministry of EducationXi’an Jiaotong UniversityXi’an710049ShaanxiChina NTNU Nanomechanical Lab Norwegian University of Science and Technology(NTNU)Trondheim7491Norway

Understanding the hydrate adhesion is important to tackling hydrate accretion in petro-pipelines.Herein,the relationship between the Tetrahydrofuran(THF)hydrate adhesion strength(AS)and surface stiffness on elastic coatings is systemically examined by experimental shear force measurements and theoretical methods.The mechanical factor-elastic modulus of the coatings greatly dictates the hydrate AS,which is explained by the adhesion mechanics theory,beyond the usual factors such as wettability and structural roughness.Moreover,the hydrate AS increases with reducing the thickness of the elastic coatings,resulted from the decrease of the apparent surface elastic modulus.The effect of critical thickness for the elastic materials with variable elastic modulus on the hydrate AS is also revealed.This study provides deep perspectives on the regulation of the hydrate AS by the elastic modulus of elastic materials,which is of significance to design anti-hydrate surfaces for mitigation of hydrate accretion in petro-pipelines.

关键词： Hydrate Adhesion strength Elastic modulus Coatings

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