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| 1 | Main Mechanism for Generating Overpressure in the Paleogene Source Rock Series of the Chezhen Depression,Bohai Bay Basin, China显示文摘The Chezhen depression,located in the south of Bohai Bay Basin,is an oil-producing basin in China. The third and fourth members of the Shahejie Formation(E(s3) and E(s4)) are the main source rock series in the Chezhen depression. Widespread overpressures occurred in the E(s3) and E(s4) from the depths of approximately 2 000 to 4 600 m,with the maximum pressure coefficient of 1.98 from drillstem tests(DST). Among the sonic,resistivity and density logs,sonic-log is the only reliable pressure indicator and can be used to predict the pore pressure with Eaton's method. All the overpressured mudstones in the source rock series have higher acoustic traveltimes compared with normally pressured mudstones at a given depth. The overpressured mudstones in the E(s3) and E(s4) units are characterized by a normal geothermal gradient,high average density values up to 2.5 g/cm^3,strong present-day hydrocarbon generation capability,abundant mature organic matter and high contents of residual hydrocarbons estimated by the Rock-Eval S1 values and chloroform-soluble bitumen 'A' values. All suggest that the dominant mechanism for overpressure in the mudstones of source rock series in the Chezhen depression is hydrocarbon generation. A comparison between the matrix porosity of the normally pressured sandstones and overpressured sandstones,the quantitative evaluation of porosity loss caused by compaction and the conventional thin section inspection demonstrate that the sandstones in the Chezhen depression were normally compacted. The high contents of hydrocarbons in the overpressured reservoirs prove that the overpressure in the sandstones of the source rock series was caused by pressure transmission from the source rocks. | Junli Zhang Sheng He Yuqin Wang Yongshi Wang Xuefeng Hao Shengyuan Luo Ping Li Xuewei Dang Ruizhi Yang | 2019 | Journal of Earth Science2019，30，4： | 2 |
| 2 | A new method to predict performance of fractured horizontal wells 显示文摘 | Hu Junli Zheng Qijia Zhao Sheng | 1996 | SPE 370511996，，： | 1 |
| 3 | Aluminum exposure impairs oocyte quality via subcellular structure disruption and DNA damage-related apoptosis in mice显示文摘Aluminum(Al)can lead to an exposure of creature in varieties ways for its universality,and it could disturb normal physiological metabolism,with the damage to multisystem including reproduction.Since the oocyte quality is critical for female reproduction,we inspected the toxicity of Al on mouse oocyte maturation.We constructed in vitro exposure mouse model,and we found that 5 mmol/L Al had adverse effects on oocyte maturation by impairing organelle and cytoskeleton.Aberrant spindle and misaligned chromosomes which might be considered to be caused by elevated levels of acetylation,as well as abnormal distribution of actin dynamics could hinder normal meiosis of oocytes.Organelle dysfunction indicated that Al affected proteins synthesis,transport and digestion,which would further damage oocyte maturation.In order to explore the mechanism of Al toxicity,our further investigation demonstrated that Al caused mitochondrial dysfunction and imbalance calcium homeostasis,resulting in limited energy supply.Moreover,high level of reactive oxygen species,DNA damage and apoptosis caused by oxidative stress were also the manifestation of Al toxicity on oocytes.In conclusion,our study provided the evidence that Al exposure affected oocyte quality through its effects on spindle organization,actin dynamics,organelle function and the induction of DNA damage-related apoptosis with mouse model. | Hongge Li Jingcai Liu Weihua Nong Mengying Shen Sheng Dou Shaochen Sun Junli Wang | 2024 | Journal of Environmental Sciences2024，，5： | 0 |
| 4 | USP1-regulated reciprocal differentiation of Th17 cells and Treg cells by deubiquitinating and stabilizing TAZ显示文摘The balance between inflammatory T helper type 17(Th17)and immunosuppressive regulatory T(Treg)cells is critical for maintaining immune homeostasis in the human body and is tightly regulated under healthy conditions.An increasing number of studies have reported that deubiquitinases(DUBs)play a vital role in regulating Th17-and Treg-cell differentiation.However,the biological functions of only a small fraction of DUBs in Th17-and Treg-cell differentiation are well defined.In this study,we identified ubiquitin-specific peptidase 1(USP1)as a vital regulator of CD4+T-cell differentiation.USP1 promoted Th17-cell differentiation but attenuated Treg-cell differentiation,thereby promoting the development of inflammatory diseases.Mechanistically,USP1 in CD4+T cells enhanced the activity of RORγt but promoted the proteasomal degradation of Foxp3 through deubiquitination and stabilization of TAZ in vitro and in vivo.Notably,ML323,a specific inhibitor of the USP1/UAF1 deubiquitinase complex,inhibited Th17-cell differentiation and promoted Treg-cell differentiation in vitro and in vivo,indicating that ML323 might be a promising candidate for the treatment of diseases associated with an imbalance between Th17 and Treg cells.Our study highlights the critical role of USP1 in regulating adaptive immune responses and suggests that USP1 might be a drug target for the treatment of diseases associated with an imbalance between Th17 and Treg cells. | Xiaotong Zhu Peng Wang Xiaoxia Zhan Yuping Zhang Junli Sheng Shitong He Yitian Chen Dingnai Nie Xiaolong You Haiyan Mai Qinghong Yu Laisheng Li Ligang Jie Shengfeng Hu | 2023 | Cellular & Molecular Immunology2023，20，3： | 0 |
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