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Liu XJ, Lv JL, Zou X, Yu YY, Zhou HX, Wu Y, Geng YQ, Lie CH. MiR-21 alleviates renal tubular epithelial cells injury induced by ischemia by targeting TLR4. Heliyon 2023; 9:e15818. [PMID: 37234634 PMCID: PMC10205595 DOI: 10.1016/j.heliyon.2023.e15818] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2022] [Revised: 04/20/2023] [Accepted: 04/21/2023] [Indexed: 05/28/2023] Open
Abstract
Renal ischemia is the initial stage of kidney damage, leading to mitochondrial metabolism disorders and cell necrosis. In this study, we aimed to investigate the biological functions and potential mechanisms of miR-21 in protecting renal tubular epithelial cells from oxidative stress and apoptosis following oxygen glucose deprivation (OGD). Following an OGD injury, miR-21 levels increased in HK-2 renal tubular epithelial cells. Overexpression of miR-21 decreased the protein expressions of cleaved caspase-3, BAX, P53, cell apoptosis and increased Bcl-2 expression in HK-2 cells with OGD injury. In vivo studies found that miR-21 agomir reduced renal tissue apoptosis, while miR-21 antagomir increased it. In addition, overexpression of miR-21 reduced levels of reactive oxygen species (ROS), malondialdehyde (MDA) and lactate dehydrogenase (LDH) in HK-2 cells with OGD injury. However, miR-21 inhibition exhibited the opposite effect. A dual-luciferase reporter assay demonstrated that miR-21 directly regulates Toll-like receptor 4 (TLR4) by targeting the 3'-UTR of TLR4 mRNA. Overexpression of miR-21 led to decreased TLR4 protein expression, and TLR4 knockdown was shown to greatly increase AKT activity in HK-2 cells by in vitro kinase assay. Additionally, TLR4 knockdown promoted AKT phosphorylation and hypoxia-inducible factor-1α (HIF-1α) expression, while TLR4 overexpression inhibited these processes. Furthermore, AKT activation abolished the effect of TLR4 on HIF-1α, while AKT inhibition decreased the expression of TLR4 on HIF-1α in TLR4 knockdown HK-2 cells. Further study revealed that HIF-1α inhibition abolished the protective effect of miR-21 overexpression on ROS, LDH levels and cell apoptosis in HK-2 cells after OGD injury, which is indicated by increased levels of ROS and LDH, as well as increased cell apoptosis after HIF-1α inhibition in miR-21-treated HK-2 cells. In conclusion, miR-21 defends OGD-induced HK-2 cell injury via the TLR4/AKT/HIF-1α axis.
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Affiliation(s)
- Xiu-Juan Liu
- Division of Nephrology, The 908 Hospital of Joint Logistics Support Force, Nanchang, Jiangxi, 330000, China
| | - Jin-Lei Lv
- Department of Nephrology, The First Affiliated Hospital of Nanchang University, Institute of Molecular Immunology of Kidney Disease of Nanchang University, Nanchang, Jiangxi, 330006, China
| | - Xin Zou
- Division of Nephrology, The 908 Hospital of Joint Logistics Support Force, Nanchang, Jiangxi, 330000, China
| | - Yan-Yan Yu
- Division of Nephrology, The 908 Hospital of Joint Logistics Support Force, Nanchang, Jiangxi, 330000, China
| | - Hong-Xia Zhou
- Division of Nephrology, The 908 Hospital of Joint Logistics Support Force, Nanchang, Jiangxi, 330000, China
| | - Yu Wu
- Division of Nephrology, The 908 Hospital of Joint Logistics Support Force, Nanchang, Jiangxi, 330000, China
| | - Yan-Qiu Geng
- Division of Nephrology, Third Medical Center of Chinese PLA General Hospital, Beijing, 100039, China
| | - Cai-Hua Lie
- Division of Nephrology, General Hospital of Xinjiang Military Region, Urumqi, Xinjiang, 830000, China
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Abstract
Diabetic nephropathy (DN) is currently the most common complication of diabetes. It is considered to be one of the leading causes of end-stage renal disease (ESRD) and affects many diabetic patients. The pathogenesis of DN is extremely complex and has not yet been clarified; however, in recent years, increasing evidence has shown the important role of innate immunity in DN pathogenesis. Pattern recognition receptors (PRRs) are important components of the innate immune system and have a significant impact on the occurrence and development of DN. In this review, we classify PRRs into secretory, endocytic, and signal transduction PRRs according to the relationship between the PRRs and subcellular compartments. PRRs can recognize related pathogen-associated molecular patterns (PAMPs) and danger-associated molecular patterns (DAMPs), thus triggering a series of inflammatory responses, promoting renal fibrosis, and finally causing renal impairment. In this review, we describe the proposed role of each type of PRRs in the development and progression of DN.
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Affiliation(s)
- Zhi-Feng Zhou
- The First Clinical Medical College of Nanchang University, Nanchang 330006, China
| | - Lei Jiang
- Department of Nephrology, the First Affiliated Hospital of Nanchang University, Institute of Molecular Immunology of Kidney Disease of Nanchang University, Nanchang 330006, China
| | - Qing Zhao
- Department of Nephrology, the First Affiliated Hospital of Nanchang University, Institute of Molecular Immunology of Kidney Disease of Nanchang University, Nanchang 330006, China
| | - Yu Wang
- Department of Nephrology, the First Affiliated Hospital of Nanchang University, Institute of Molecular Immunology of Kidney Disease of Nanchang University, Nanchang 330006, China
| | - Jing Zhou
- Department of Nephrology, the First Affiliated Hospital of Nanchang University, Institute of Molecular Immunology of Kidney Disease of Nanchang University, Nanchang 330006, China
| | - Qin-Kai Chen
- Department of Nephrology, the First Affiliated Hospital of Nanchang University, Institute of Molecular Immunology of Kidney Disease of Nanchang University, Nanchang 330006, China
| | - Jin-Lei Lv
- Department of Nephrology, the First Affiliated Hospital of Nanchang University, Institute of Molecular Immunology of Kidney Disease of Nanchang University, Nanchang 330006, China
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Lv JL, Zhong KT, Zheng YH, Wang P, Cai XQ, Zhang R. [The application of three-dimensional printing technique combined with three-dimensional reconstruction in mandibular fracture]. Lin Chuang Er Bi Yan Hou Tou Jing Wai Ke Za Zhi 2019; 33:1057-1064. [PMID: 31914294 DOI: 10.13201/j.issn.1001-1781.2019.11.012] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Received: 02/18/2019] [Indexed: 06/10/2023]
Abstract
Objective:To explore the value and significance of the combination of 3D printing and spiral CT three-dimensional reconstruction in the diagnosis and treatment of common mandibular fractures. Method:Forty patients with mandibular fracture were collected. They were randomly divided into traditional operation group and 3D printing combined with three-dimensional reconstruction operation group. The differences between the two groups were compared according to the operation time and the recovery of fracture. Result:The operation time and trauma of 3D printing combined with three-dimensional reconstruction group were significantly better than those of traditional operation group, and the former was better than the latter (P<0.05). Conclusion: 3D printing combined with three-dimensional reconstruction operation method realized the concept of individualized, precise and minimally invasive comprehensive treatment, which is worthy of clinical promotion.
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Affiliation(s)
- J L Lv
- Department of Oral and Maxillofacial Surgery,Zhengzhou Central Hospital Affiliated to Zhengzhou University,Zhengzhou,450007,China
| | - K T Zhong
- Department of Oral and Maxillofacial Surgery,Zhengzhou Central Hospital Affiliated to Zhengzhou University,Zhengzhou,450007,China
| | - Y H Zheng
- Department of Oral and Maxillofacial Surgery,Zhengzhou Central Hospital Affiliated to Zhengzhou University,Zhengzhou,450007,China
| | - P Wang
- Department of Orthopaedics,Zhengzhou Central Hospital Affiliated to Zhengzhou University
| | - X Q Cai
- Department of Oral and Maxillofacial Surgery,Zhengzhou Central Hospital Affiliated to Zhengzhou University,Zhengzhou,450007,China
| | - R Zhang
- Department of Oral and Maxillofacial Surgery,Zhengzhou Central Hospital Affiliated to Zhengzhou University,Zhengzhou,450007,China
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Han B, Meng KH, Wang JING, Jiang DD, Fan YF, Lv JL, Zhao LJ, Yi YC, Zhang JJ. P4696Short- and long-term follow-up of 1024 Children with transcatheter closure of ventricular septal defects: A Single center Study. Eur Heart J 2019. [DOI: 10.1093/eurheartj/ehz745.1077] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Abstract
Objective
To investigate the safety, efficacy and long-term prognosis of pediatric patients after percutaneous ventricular septal defect (VSD) closure.
Method
A total of 1024 children with VSD in were enrolled. All children underwent transthoracic echocardiography (TTE), electrocardiogram (ECG) and chest roentgenogram before and after the treatment. Follow-up evaluation was done at 1, 3, 6, 12 months.
Results
1. 40 of 1024 patients gave up TC after angiography. Successful closure of VSD was achieved in 94.9% (934/984).
2. The defect were successfully occluded in 934 children. 939 VSD devices were implanted, 5 patients received 2 occluders. The average diameter of occluder was 6.40±2.13mm (3.00–18.00mm), and the mean operation time was 86.81±41.85min (30.00–360.00min).
3. Short postoperative complications were as follows: diffuse subarachnoid hemorrhage (1/934, 0.11%), high or complete atrioventricular block (1/934, 0.32%), mechanical hemolysis occurred (18/934, 1.93%). Moreover, the conduction disturbances included complete left bundle branch block (15/934, 1.61%), incomplete right bundle branch block (144/934, 15.42%), borderline rhythm (48/93, 45.14%), and complete right bundle branch block (44/934, 4.71%), left anterior branch block (27/934, 2.89%), premature contraction (21/934, 2.36%), ST-T segment changes (12/934, 1.28%).
4. The follow-up time ranged from1 to 192 months with the median time 36 months (12, 60) and the follow-up rate was 84.1% (795/934). There was no difference of mean left ventricular size between normal outpatients and patients accepted TC for more than 10 years (4.50±0.30cm V.S. 4.57±0.35cm, t=1.171, P=0.251).
5. New complications included III°AVB (1 case), CLBBB (1 case), ARs (27 cases) and residual shunt (12 cases). The operation age, the distance from defect to valve, the occluder diameter, the asymmetrical occluder and follow-up duration were associated risk factors of AR (OR= 4.107, 5.30, 3.824, 6.750, 9.625, P=0.033, 0.015, 0.045, 0.020, 0.000, respectively). The difference of occluder diameter, defect size and follow-up time were related risk factors of residual shunt (OR=7.000, 5.417, 11.333, 29.250, P=0.012, 0.037, 0.031, 0.000, respectively).
6. The patients were divided into 4 groups (∼3 years group, 3 ∼ 4 years group, 4∼ 6 years group, and 6∼ 18 years group. No significant differences of the success rate, defect size, operation time, incidence rate of short- and long-term complications rate. There was significantly difference of short complications incidence rate in 4 groups (c2=23.431 P=0.000).
Conclusions
The TC has a high successful rate in the pediatric patients with VSD. Patients with CLBBB or III°AVB can return to normal in the early stage after operation, but may recur during follow-up period. There is no significant difference in the successful rate and the incidence rate of long-term complications between patients <3 years and children ≥3 years old.
Acknowledgement/Funding
Taishan scholars (no. ts201511099)
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Affiliation(s)
- B Han
- Shandong Provincial Hospital affiliated to Shandong University, Jinan, China
| | - K H Meng
- Shandong Provincial Hospital affiliated to Shandong University, Jinan, China
| | - J I N G Wang
- Shandong Provincial Hospital affiliated to Shandong University, Jinan, China
| | - D D Jiang
- Shandong Provincial Hospital affiliated to Shandong University, Jinan, China
| | - Y F Fan
- Shandong Provincial Hospital affiliated to Shandong University, Jinan, China
| | - J L Lv
- Shandong Provincial Hospital affiliated to Shandong University, Jinan, China
| | - L J Zhao
- Shandong Provincial Hospital affiliated to Shandong University, Jinan, China
| | - Y C Yi
- Shandong Provincial Hospital affiliated to Shandong University, Jinan, China
| | - J J Zhang
- Shandong Provincial Hospital affiliated to Shandong University, Jinan, China
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Su Y, Lv JL, Yu M, Ma ZH, Xi H, Kou CL, He ZC, Shen AL. Long-term decomposed straw return positively affects the soil microbial community. J Appl Microbiol 2019; 128:138-150. [PMID: 31495045 DOI: 10.1111/jam.14435] [Citation(s) in RCA: 27] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2018] [Revised: 07/24/2019] [Accepted: 08/21/2019] [Indexed: 01/12/2023]
Abstract
AIMS In order to understand the response of soil microbial communities to the long-term of decomposed straw return, the modifications of soil microbial community structure and composition induced by more than 10 years of fresh and decomposed straw return was investigated and the key environmental factors were analysed. METHODS AND RESULTS Phospholipid fatty acid analysis and high-through sequencing technique were applied to analyse the structure and composition of the soil microbial communities. Compared with fresh straw, returning decomposed straw increased the relative abundance of bacteria and fungi by 1·9 and 7·7% at a rate of ~3750 kg ha-1 , and increased by 23·1 and 5·7%, at a rate of ~7500 kg ha-1 respectively. The relative abundance of the bacteria related to soil nitrification increased, but the ones related to soil denitrification decreased with decomposed straw return, which led to higher total nitrogen contents in soils. Moreover, returning decomposed straw reduced pathogenic fungal populations (genus of Alternara), which had significantly positive correlation with soil electric conductivity. It indicated that the long-term of decomposed straw return might have lower risk of soil-borne disease mainly for the reasonable soil salinity. CONCLUSIONS Long-term of decomposed straw return could provide suitable nutrient and salinity for healthier development of soil microbial community, both in abundance and structure, compared with fresh straw return. SIGNIFICANCE AND IMPACT OF THE STUDY The results of the study helps to better understand how the microbial community modifications induced by decomposed straw return benefit on soil health. The obtained key factors impacting soil microbial community variations is meaningful in soil health management under conditions of straw return.
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Affiliation(s)
- Y Su
- Institute of Environment, Resource, Soil and Fertilizer, Zhejiang Academy of Agricultural Sciences, Hangzhou, 310021, China
| | - J L Lv
- Institute of Plant Nutrient, Environment and Resource, Henan Academy of Agricultural Sciences, Zhengzhou, 450002, China
| | - M Yu
- Institute of Environment, Resource, Soil and Fertilizer, Zhejiang Academy of Agricultural Sciences, Hangzhou, 310021, China
| | - Z H Ma
- Institute of Plant Nutrient, Environment and Resource, Henan Academy of Agricultural Sciences, Zhengzhou, 450002, China
| | - H Xi
- Institute of Environment, Resource, Soil and Fertilizer, Zhejiang Academy of Agricultural Sciences, Hangzhou, 310021, China
| | - C L Kou
- Institute of Plant Nutrient, Environment and Resource, Henan Academy of Agricultural Sciences, Zhengzhou, 450002, China
| | - Z C He
- Institute of Environment, Resource, Soil and Fertilizer, Zhejiang Academy of Agricultural Sciences, Hangzhou, 310021, China
| | - A L Shen
- Institute of Environment, Resource, Soil and Fertilizer, Zhejiang Academy of Agricultural Sciences, Hangzhou, 310021, China
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Wang Y, Shao Y, Shi WQ, Jiang L, Wang XY, Zhu PW, Yuan Q, Gao G, Lv JL, Wang GX. The predictive potential of altered spontaneous brain activity patterns in diabetic retinopathy and nephropathy. EPMA J 2019; 10:249-259. [PMID: 31462942 DOI: 10.1007/s13167-019-00171-4] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2019] [Accepted: 05/12/2019] [Indexed: 12/14/2022]
Abstract
Objective The amplitude of low-frequency fluctuation (ALFF) fMRI technique was used to study the changes of spontaneous brain activity in patients with diabetic retinopathy and nephropathy (DRN), and to explore the application of ALFF technique in the potential prediction and the targeted prevention of diabetic microangiopathy. Methods Nineteen patients with diabetic retinopathy and nephropathy and 19 healthy controls (HCs) were matched for age and gender. Spontaneous cerebral activity variations were investigated using the ALFF technique. The average ALFF values of the DRN patients and the HCs were classified utilizing receiver operating characteristic (ROC) curves. Results In contrast to the results in the HCs, the patients with DRN had significantly higher ALFF values in the cerebellum (bilaterally in the posterior and anterior lobes) and the left inferior temporal gyrus, but the ALFF values of the bilateral medial frontal gyrus, right superior temporal gyrus, right middle frontal gyrus, left middle/inferior frontal gyrus, bilateral precuneus, and left inferior parietal lobule were lower. ROC curve analysis of each brain region showed the accuracy of AUC was excellent. However, the mean ALFF values in the different regions did not correlate with clinical performance. The subjects showed abnormal neuronal synchronization in many areas of the brain, which is consistent with cognitive and visual functional deficits. Conclusion Abnormal spontaneous activity was detected in many areas of the brain, which may provide useful information for understanding the pathology of DRN. Abnormal ALFF values of these brain regions may be of predictive value in the development of early DRN and be a targeted intervention indicator for individualized treatment of diabetic microvascular diseases.
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Affiliation(s)
- Yu Wang
- 1Department of Nephrology, The First Affiliated Hospital of Nanchang University, No 17, YongWaiZheng Street, Nanchang, 330006 Jiangxi People's Republic of China
| | - Yi Shao
- 2Department of Ophthalmology, The First Affiliated Hospital of Nanchang University, Nanchang, 330006 Jiangxi China
| | - Wen-Qing Shi
- 2Department of Ophthalmology, The First Affiliated Hospital of Nanchang University, Nanchang, 330006 Jiangxi China
| | - Lei Jiang
- 1Department of Nephrology, The First Affiliated Hospital of Nanchang University, No 17, YongWaiZheng Street, Nanchang, 330006 Jiangxi People's Republic of China
| | - Xiao-Yu Wang
- 1Department of Nephrology, The First Affiliated Hospital of Nanchang University, No 17, YongWaiZheng Street, Nanchang, 330006 Jiangxi People's Republic of China
| | - Pei-Wen Zhu
- 2Department of Ophthalmology, The First Affiliated Hospital of Nanchang University, Nanchang, 330006 Jiangxi China
| | - Qing Yuan
- 2Department of Ophthalmology, The First Affiliated Hospital of Nanchang University, Nanchang, 330006 Jiangxi China
| | - Ge Gao
- 3Department of General Surgery, The First Affiliated Hospital of Nanchang University, No 17, YongWaiZheng Street, Nanchang, 330006 Jiangxi People's Republic of China
| | - Jin-Lei Lv
- 1Department of Nephrology, The First Affiliated Hospital of Nanchang University, No 17, YongWaiZheng Street, Nanchang, 330006 Jiangxi People's Republic of China
| | - Gong-Xian Wang
- 4Department of Urinary Surgery, The First Affiliated Hospital of Nanchang University, Nanchang, 330006 Jiangxi China
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Zheng P, Xu YJ, Wu W, Xu G, Lv JL, Lin FK, Wang P, Yang YF, Luo JL. Orbital-dependent charge dynamics in MnP revealed by optical study. Sci Rep 2017; 7:14178. [PMID: 29079790 PMCID: PMC5660257 DOI: 10.1038/s41598-017-14648-7] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2017] [Accepted: 10/12/2017] [Indexed: 11/24/2022] Open
Abstract
Unconventional superconductivity often emerges at the border of long-range magnetic orders. Understanding the low-energy charge dynamics may provide crucial information on the formation of superconductivity. Here we report the unpolarized/polarized optical conductivity study of high quality MnP single crystals at ambient pressure. Our data reveal two types of charge carriers with very different lifetimes. In combination with the first-principles calculations, we show that the short-lifetime carriers have flat Fermi sheets which become gapped in the helimagnetic phase, causing a dramatic change in the low-frequency optical spectra, while the long-lifetime carriers are anisotropic three-dimensional like which are little affected by the magnetic transitions and provide major contributions to the transport properties. This orbital-dependent charge dynamics originates from the special crystal structure of MnP and may have an influence on the unconventional superconductivity and its interplay with helimagnetism at high pressures.
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Affiliation(s)
- P Zheng
- Beijing National Laboratory for Condensed Matter Physics and Institute of Physics, Chinese Academy of Sciences, Beijing, 100190, China.
| | - Y J Xu
- Beijing National Laboratory for Condensed Matter Physics and Institute of Physics, Chinese Academy of Sciences, Beijing, 100190, China.,School of Physical Sciences, University of Chinese Academy of Sciences, Beijing, 100190, China
| | - W Wu
- Beijing National Laboratory for Condensed Matter Physics and Institute of Physics, Chinese Academy of Sciences, Beijing, 100190, China.,School of Physical Sciences, University of Chinese Academy of Sciences, Beijing, 100190, China
| | - G Xu
- Beijing National Laboratory for Condensed Matter Physics and Institute of Physics, Chinese Academy of Sciences, Beijing, 100190, China
| | - J L Lv
- Beijing National Laboratory for Condensed Matter Physics and Institute of Physics, Chinese Academy of Sciences, Beijing, 100190, China.,School of Physical Sciences, University of Chinese Academy of Sciences, Beijing, 100190, China
| | - F K Lin
- Beijing National Laboratory for Condensed Matter Physics and Institute of Physics, Chinese Academy of Sciences, Beijing, 100190, China.,School of Physical Sciences, University of Chinese Academy of Sciences, Beijing, 100190, China
| | - P Wang
- Beijing National Laboratory for Condensed Matter Physics and Institute of Physics, Chinese Academy of Sciences, Beijing, 100190, China
| | - Yi-Feng Yang
- Beijing National Laboratory for Condensed Matter Physics and Institute of Physics, Chinese Academy of Sciences, Beijing, 100190, China. .,School of Physical Sciences, University of Chinese Academy of Sciences, Beijing, 100190, China. .,Collaborative Innovation Center of Quantum Matter, Beijing, 100190, China.
| | - J L Luo
- Beijing National Laboratory for Condensed Matter Physics and Institute of Physics, Chinese Academy of Sciences, Beijing, 100190, China.,School of Physical Sciences, University of Chinese Academy of Sciences, Beijing, 100190, China.,Collaborative Innovation Center of Quantum Matter, Beijing, 100190, China
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