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Tao Y, Guo Z, Li S, Yang L, Jin F, You L, Tang R, Dong K. Wide Linearity Range 3D Magnetic Sensor and Angular Position Detector Based on a Single FePt Spin-Orbit Torque Device. ACS Appl Mater Interfaces 2024. [PMID: 38744687 DOI: 10.1021/acsami.4c02874] [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] [Subscribe] [Scholar Register] [Indexed: 05/16/2024]
Abstract
Three-dimensional (3D) vector magnetic sensors play a significant role in a variety of industries, especially in the automotive industry, which enables the control of precise position, angle, and rotation of motion elements. Traditional 3D magnetic sensors integrate multiple sensors with their sensing orientations along the three coordinate axes, leading to a large size and inevitable nonorthogonal misalignment. Here, we demonstrate a wide linearity range 3D magnetic sensor utilizing a single L10-FePt Hall-bar device, whose sensitivity is 291 VA-1 T-1 in the z-axis and 27 VA-1 T-1 in the in-plane axis. Based on the spin-orbit torque-dominated magnetization reversal, the linear response of anomalous Hall resistance within a large linear range (±200 Oe) for the x, y, and z components of magnetic fields has been obtained, respectively. Typically, it exhibits a relatively lower magnetic noise level of 7.9 nV at 1 Hz than previous results, improving measurement resolution at the low frequency. Furthermore, we provide a straightforward approach for noncontact angular position detection based on a single Hall-bar device, which shows great potential for application in rotational motion control.
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Affiliation(s)
- Ying Tao
- School of Automation, China University of Geosciences, Wuhan 430074, China
- Hubei Key Laboratory of Advanced Control and Intelligent Automation for Complex Systems, Wuhan 430074, China
- Engineering Research Center of Intelligent Technology for Geo-Exploration, Ministry of Education, Wuhan 430074, China
| | - Zhe Guo
- School of Microelectronics, Hubei University, Wuhan 430062, China
| | - Shihao Li
- School of Integrated Circuits, Huazhong University of Science and Technology, Wuhan 430074, China
| | - Liu Yang
- School of Automation, China University of Geosciences, Wuhan 430074, China
- Hubei Key Laboratory of Advanced Control and Intelligent Automation for Complex Systems, Wuhan 430074, China
- Engineering Research Center of Intelligent Technology for Geo-Exploration, Ministry of Education, Wuhan 430074, China
| | - Fang Jin
- School of Automation, China University of Geosciences, Wuhan 430074, China
- Hubei Key Laboratory of Advanced Control and Intelligent Automation for Complex Systems, Wuhan 430074, China
- Engineering Research Center of Intelligent Technology for Geo-Exploration, Ministry of Education, Wuhan 430074, China
| | - Long You
- School of Integrated Circuits, Huazhong University of Science and Technology, Wuhan 430074, China
| | - Rujun Tang
- School of Physical Science and Technology, Jiangsu Key Laboratory of Thin Films, Soochow University, Suzhou 215006, China
| | - Kaifeng Dong
- School of Automation, China University of Geosciences, Wuhan 430074, China
- Hubei Key Laboratory of Advanced Control and Intelligent Automation for Complex Systems, Wuhan 430074, China
- Engineering Research Center of Intelligent Technology for Geo-Exploration, Ministry of Education, Wuhan 430074, China
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Lu Z, Li S, Ning L, Tang K, Guo Y, You L, Chen C, Wang G. Nickel-Iron-Layered Double Hydroxide Electrocatalyst with Nanosheets Array for High Performance of Water Splitting. Molecules 2024; 29:2092. [PMID: 38731584 PMCID: PMC11085282 DOI: 10.3390/molecules29092092] [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] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2023] [Revised: 01/20/2024] [Accepted: 01/23/2024] [Indexed: 05/13/2024] Open
Abstract
Developing high-performance and cost-competitive electrocatalysts have great significance for the massive commercial production of water-splitting hydrogen. Ni-based electrocatalysts display tremendous potential for electrocatalytic water splitting. Herein, we synthesize a novel NiFe-layered double hydroxide (LDH) electrocatalyst in nanosheets array on high-purity Ni foam. By adjusting the Ni/Fe ratio, the microstructure, and even the behavior of the electrocatalyst in the oxygen evolution reaction (OER), changes significantly. The as-obtained material shows a small overpotential of 223 mV at 10 mAcm-2 as well as a low Tafel slope of 48.9 mV·dec-1 in the 1 M KOH electrolyte. In addition, it can deliver good stability for at least 24 h of continuous working at 10 mAcm-2. This work proposes a strategy for engineering catalysts and provides a method for the development of other Ni-based catalysts with excellent performance.
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Affiliation(s)
- Zhi Lu
- School of Materials Science and Engineering, Henan University of Science and Technology, Luoyang 471003, China
- Henan Engineering Research Center for High Purity Materials and Sputtering Targets, Luoyang 471003, China
| | - Shilin Li
- School of Materials Science and Engineering, Henan University of Science and Technology, Luoyang 471003, China
- Henan Engineering Research Center for High Purity Materials and Sputtering Targets, Luoyang 471003, China
| | - Laiyuan Ning
- School of Material Science and Engineering, Zhengzhou University, Zhengzhou 450001, China
| | - Kun Tang
- School of Materials Science and Engineering, Henan University of Science and Technology, Luoyang 471003, China
- Henan Engineering Research Center for High Purity Materials and Sputtering Targets, Luoyang 471003, China
| | - Yifan Guo
- School of Materials Science and Engineering, Henan University of Science and Technology, Luoyang 471003, China
- Henan Engineering Research Center for High Purity Materials and Sputtering Targets, Luoyang 471003, China
| | - Long You
- School of Materials Science and Engineering, Henan University of Science and Technology, Luoyang 471003, China
| | - Chong Chen
- School of Materials Science and Engineering, Henan University of Science and Technology, Luoyang 471003, China
| | - Guangxin Wang
- School of Materials Science and Engineering, Henan University of Science and Technology, Luoyang 471003, China
- Henan Engineering Research Center for High Purity Materials and Sputtering Targets, Luoyang 471003, China
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3
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Cai J, Lu B, Chen H, Lu M, Zhang Y, Luo C, You L, Dai M, Zhao Y. The impacts of exposure to risk factors during youth on the increasing global trend of early-onset pancreatic cancer. Public Health 2024; 229:65-72. [PMID: 38402665 DOI: 10.1016/j.puhe.2023.11.006] [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] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2023] [Revised: 10/18/2023] [Accepted: 11/05/2023] [Indexed: 02/27/2024]
Abstract
OBJECTIVES An increasing trend of pancreatic cancer in young adults has emerged in some countries. This study aimed to investigate global trends of pancreatic cancer in young adults and explore the impact of exposure to risk factors on pancreatic cancer incidence during youth. METHODS Global and national data on pancreatic cancer incidence, disability-adjusted life-years, attributive mortality, and summary exposure values of risk factors were retrieved from the Global Burden of Disease 2019. The average annual percent change (AAPC) of incidence and mortality was calculated. Additionally, generalized additive models were applied to explore the non-linear associations between the levels and changes in the Human Development Index and AAPC. RESULTS Global pancreatic cancer incidence increased during various periods from 1990 to 2019, particularly in adults aged <45 years from 2010 to 2019, at an average annual increase rate of 0.7% (95% confidence interval: 0.4-1.0%). The AAPC of early-onset pancreatic cancer incidence from 2010 to 2019 was negatively correlated with Human Development Index levels in both 2010 and 2019 but positively correlated with Human Development Index acceleration. Significant increases in early-onset pancreatic cancer incidence were observed over this period in 32 of 88 countries, primarily in South America, North America, Oceania, and Africa. Early-onset pancreatic cancer mortality attributed to high body mass index and fasting plasma glucose increased, while that attributed to tobacco use declined. CONCLUSIONS An increasing trend has emerged in the global incidence and burden of early-onset pancreatic cancer over the last few decades. This rise may partly be attributed to global epidemics of high body mass index and fasting plasma glucose.
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Affiliation(s)
- J Cai
- Department of Hospital Infection Control, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100730, China; Department of General Surgery, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100730, China
| | - B Lu
- Medical Research Center, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100730, China; Department of Cancer Epidemiology, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100021, China
| | - H Chen
- Medical Research Center, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100730, China
| | - M Lu
- Medical Research Center, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100730, China
| | - Y Zhang
- Medical Research Center, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100730, China; Department of Cancer Epidemiology, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100021, China
| | - C Luo
- Medical Research Center, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100730, China; Department of Cancer Epidemiology, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100021, China
| | - L You
- Department of General Surgery, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100730, China
| | - M Dai
- Department of Cancer Epidemiology, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100021, China.
| | - Y Zhao
- Department of General Surgery, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100730, China.
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Huang L, Kim JH, You L, Park SH, Zhang J, Shin CY, Sutopo NC, Byun HW, Omaliss K, Masphal K, Son J, Kim GR, Lee BH, Kim JH, Lee J, Cho JY. Anti-oxidative, anti-apoptotic, and anti-inflammatory activities of Connarus semidecandrus Jack ethanol extract in UVB-irradiated human keratinocytes. J Ethnopharmacol 2024; 321:117574. [PMID: 38097025 DOI: 10.1016/j.jep.2023.117574] [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] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/07/2023] [Revised: 12/07/2023] [Accepted: 12/08/2023] [Indexed: 12/19/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Connarus semidecandrus Jack (Family: connaraceae) is a medicinal plant known for its wide distribution throughout Southeast Asia. Renowned for its diverse therapeutic properties, it has been traditionally used for treating fever, skin irritation, and colic. AIM OF THE STUDY Numerous individuals suffer from skin issues, including wrinkles, hyperpigmentation, and inflammation, due to environmental factors. Although many drugs are available to treat skin problems, chemical drugs have many shortcomings and side effects. Therefore, natural products are attractive potential medicines for alleviating skin troubles. We recently showed that Connarus semidecandrus Jack ethanol extract (Cs-EE) has anti-alopecia potential. This paper aims to explore the potential skin-protective effects and underlying molecular mechanisms of Connarus semidecandrus Jack in UVB-induced human keratinocytes (HaCaT). MATERIALS AND METHODS Before utilization, Cs-EE was dissolved in dimethyl sulfoxide (DMSO) and was preserved at a temperature of -20 °C. The phytochemical constituents of Cs-EE were detected by gas chromatography-mass spectrometry analysis (GC-MS). Sequentially, HaCaT cells were exposed to varying concentrations of Cs-EE prior to ultraviolet B (UVB) irradiation. Evaluations of cellular responses in HaCaT cells, including assessments of cell viability, deoxyribonucleic acid (DNA) damage, and gene and protein expressions, were carried out. To explore the specific signaling pathway involved, we conducted a luciferase assay in addition to validating these pathways using Western blot analysis. RESULTS Nitric oxide (NO) and intracellular reactive oxygen species were decreased. Melanin production through the activation of melanocytes by α-melanocyte-stimulating hormone (MSH) was also inhibited by Cs-EE. Furthermore, the mRNA expression levels of key factors such as cyclooxygenase-2 (COX-2), tumor necrosis factor-α (TNF-α), interleukin 6 (IL-6), MMP-1, MMP-3, and MMP-9 exhibited a remarkable decrease. In addition, the phosphorylation of TAK1 within the signaling cascade exhibited a decline, and the activities of the transcription factor AP-1 were decreased according to a luciferase reporter assay. CONCLUSIONS Taken together, these findings suggest that the anti-inflammatory, anti-aging, and anti-apoptotic effects of Cs-EE indicate the compound's potential usefulness as a natural component in pharmaceutical and cosmetic products.
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Affiliation(s)
- Lei Huang
- Department of Biocosmetics, Sungkyunkwan University, Suwon, 16419, Republic of Korea.
| | - Ji Hye Kim
- Department of Integrative Biotechnology and Biomedical Institute for Convergence at SKKU (BICS), Sungkyunkwan University, Suwon, 16419, Republic of Korea.
| | - Long You
- Department of Integrative Biotechnology and Biomedical Institute for Convergence at SKKU (BICS), Sungkyunkwan University, Suwon, 16419, Republic of Korea.
| | - Sang Hee Park
- Department of Biocosmetics, Sungkyunkwan University, Suwon, 16419, Republic of Korea.
| | - Jianmei Zhang
- Department of Integrative Biotechnology and Biomedical Institute for Convergence at SKKU (BICS), Sungkyunkwan University, Suwon, 16419, Republic of Korea.
| | - Chae Yun Shin
- Department of Biocosmetics, Sungkyunkwan University, Suwon, 16419, Republic of Korea.
| | | | - Hye-Woo Byun
- Biodiversity Research and Cooperation Division, National Institute of Biological Resources, Incheon, 22689, Republic of Korea.
| | - Keo Omaliss
- Forestry Administration, Ministry of Agriculture Forestry and Fisheries, #40 Norodom Blvd, Daun Penh, Phnom Penh, 12205, Cambodia.
| | - Kry Masphal
- Forestry Administration, Ministry of Agriculture Forestry and Fisheries, #40 Norodom Blvd, Daun Penh, Phnom Penh, 12205, Cambodia.
| | - Jino Son
- Biological and Genetic Resources Assessment Division, National Institute of Biological Resources, Incheon, 22689, Republic of Korea.
| | - Ga Ryun Kim
- Biological and Genetic Resources Assessment Division, National Institute of Biological Resources, Incheon, 22689, Republic of Korea.
| | - Byoung-Hee Lee
- Biological and Genetic Resources Assessment Division, National Institute of Biological Resources, Incheon, 22689, Republic of Korea.
| | - Jong-Hoon Kim
- Department of Veterinary Physiology College of Medicine, Chonbuk National University, Iksan, 54596, Republic of Korea.
| | - Jongsung Lee
- Department of Biocosmetics, Sungkyunkwan University, Suwon, 16419, Republic of Korea; Department of Integrative Biotechnology and Biomedical Institute for Convergence at SKKU (BICS), Sungkyunkwan University, Suwon, 16419, Republic of Korea.
| | - Jae Youl Cho
- Department of Biocosmetics, Sungkyunkwan University, Suwon, 16419, Republic of Korea; Department of Integrative Biotechnology and Biomedical Institute for Convergence at SKKU (BICS), Sungkyunkwan University, Suwon, 16419, Republic of Korea.
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You L, Shen T, Hu W, Cho JY. Protopanaxatriol activates EGFR and HER2 to strengthen the molecules of skin protection in human keratinocytes. Phytomedicine 2024; 123:155167. [PMID: 37952408 DOI: 10.1016/j.phymed.2023.155167] [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] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/15/2023] [Revised: 10/06/2023] [Accepted: 10/24/2023] [Indexed: 11/14/2023]
Abstract
BACKGROUND Protopanaxatriol (PPT) is an important ginsenoside produced by ginseng, a tonic plant used in many areas. PPT has beneficial effects against many disease states including inflammation, diabetes, and cancer. However, PPT's protective effects on skin integrity have been rarely studied. Previously, we reported that PPT can maintain skin moisture through activation of nuclear factor kappa B (NF-κB) and mitogen-activated protein kinases (MAPKs) pathways. However, the cellular targets for enhancing skin moisturizing effects via PPT are still unknown. PURPOSE We wanted to identify the upstream targets of PPT on upregulating moisturizing factor (HAS-2) expression. STUDY DESIGN We investigated which upstream proteins can be directly stimulated by PPT to modulate NF-κB, MAPKs and other signaling cascades. Then, the targeted proteins were overexpressed to check the relationship with HAS-2. Next, the cellular thermal shift assay (CETSA) was conducted to check the relationship between targeted proteins and PPT. METHODS A human keratinocyte HaCaT were employed to measure the levels of moisturizing factors and the signaling proteins activated by PPT. Transfection conditions were established with DNA constructs expressing epidermal growth factor receptor (EGFR) and human epidermal growth factor receptor 2 (HER2) and their mutants prepared by site-directed mutagenesis. Further investigation on molecular mechanisms was conducted by RT-PCR, luciferase reporter gene assay, CETSA, or Western blot. RESULTS We found that PPT can activate the phosphorylation of EGFR and HER2. These stimulations caused Src phosphorylation, which resulted in the activation of phosphoinositide 3-kinases (PI3K)/pyruvate dehydrogenase kinase 1 (PDK1)/protein kinase B (AKT)/NF-κB and MAPKs signaling cascades. Additionally, EGFR and HER2 activation resulted in phosphorylation of signal transducer and activator of transcription 3 (STAT3) and calcium/calmodulin-dependent protein kinase II (CaMKII). This induced the AMP-activated protein kinase alpha (AMPKα) signaling pathway. Additionally, PPT blocked peroxisome proliferator activated receptor gamma (PPARγ), which also contributed to the phosphorylation of Src. CONCLUSION Overall, we first found that PPT offers excellent protection of the skin barrier and hydrogen supply in keratinocytes. Moreover, growth factor receptors such as EGFR and HER2 were revealed to be central enzymes to be directly targeted by PPT. These results suggest a potentially valuable role as a cosmetic ingredient.
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Affiliation(s)
- Long You
- Department of Integrative Biotechnology, and Biomedical Institute for Convergence at SKKU (BICS), Sungkyunkwan University, Suwon 16419, Republic of Korea
| | - Ting Shen
- Institute of Translational Medicine, School of Medicine, Yangzhou University, Yangzhou 225009, China; Jiangsu Key Laboratory of Experimental & Translational Non-Coding RNA Research, School of Medicine, Yangzhou University, Yangzhou 225009, China.
| | - Weicheng Hu
- Institute of Translational Medicine, School of Medicine, Yangzhou University, Yangzhou 225009, China; Jiangsu Key Laboratory of Experimental & Translational Non-Coding RNA Research, School of Medicine, Yangzhou University, Yangzhou 225009, China.
| | - Jae Youl Cho
- Department of Integrative Biotechnology, and Biomedical Institute for Convergence at SKKU (BICS), Sungkyunkwan University, Suwon 16419, Republic of Korea.
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Chen Y, Tang F, Yin XQ, Han ZD, Qian B, Zhao W, Jiang XF, Fang Y, You L. Magnetic properties and critical behaviors of the nodal-line semimetal candidate ErIn 3. J Phys Condens Matter 2023; 36:055801. [PMID: 37875140 DOI: 10.1088/1361-648x/ad0674] [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] [Subscribe] [Scholar Register] [Received: 08/30/2023] [Accepted: 10/24/2023] [Indexed: 10/26/2023]
Abstract
The AuCu3-type intermetallic compoundsReIn3(Re= a rare earth ion) with type-IV magnetic space groups are predicted to show topologically nontrivial electronic states. Here, we grow ErIn3single crystals, and study their magnetic properties and critical behaviors by means of the magnetic susceptibility, and magnetization isotherm measurements. Combining a detailed analysis of the magnetic susceptibility and isothermal magnetization, we find that this compound harbors a complicated magnetic phase diagram, and its magnetic moment arrangement appears not to simply follow the fashion as observed in the isostructural counterpart GdIn3(it adopts a conventional type-Cmagnetic structure that belongs to type-IV magnetic space groups). A careful study of the magnetic properties around the antiferromagnetic (AFM)-paramagnetic transition yields the critical exponentsβ= 0.309 (0.297),γ= 1.117 (1.038), andδ= 4.617 (4.454), indicating that the tricritical mean field model or the three-dimensional Ising model works for ErIn3's magnetic behaviors and the presence of a long-range AFM interaction therein. Besides, the exchange interaction distanceJ(r) ∼r-4.665as well confirms a long-range magnetic coupling in ErIn3. Our results offer the clues that the magnetic structure varies from one member ofReIn3family to another, and to confirm their electronic features in the AFM phases further experimental and theoretical studies are still desired.
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Affiliation(s)
- Y Chen
- Jiangsu Key Laboratory of Thin Films, School of Physical Science and Technology, Soochow University, Suzhou 215006, People's Republic of China
- Jiangsu Laboratory of Advanced Functional Materials, School of Electronic and Information Engineering, Changshu Institute of Technology, Changshu 215500, People's Republic of China
| | - F Tang
- Jiangsu Key Laboratory of Thin Films, School of Physical Science and Technology, Soochow University, Suzhou 215006, People's Republic of China
- Jiangsu Laboratory of Advanced Functional Materials, School of Electronic and Information Engineering, Changshu Institute of Technology, Changshu 215500, People's Republic of China
| | - X-Q Yin
- Key Laboratory of Artificial Structures and Quantum Control (Ministry of Education), Shenyang National Laboratory for Materials Science, School of Physics and Astronomy and Tsung-Dao Lee Institute, Shanghai Jiao Tong University, Shanghai 200240, People's Republic of China
| | - Z-D Han
- Jiangsu Laboratory of Advanced Functional Materials, School of Electronic and Information Engineering, Changshu Institute of Technology, Changshu 215500, People's Republic of China
| | - B Qian
- Jiangsu Laboratory of Advanced Functional Materials, School of Electronic and Information Engineering, Changshu Institute of Technology, Changshu 215500, People's Republic of China
| | - W Zhao
- Department of Materials Science and Engineering, Monash University, Clayton, VIC 3800, Australia
| | - X-F Jiang
- Jiangsu Laboratory of Advanced Functional Materials, School of Electronic and Information Engineering, Changshu Institute of Technology, Changshu 215500, People's Republic of China
| | - Y Fang
- Jiangsu Laboratory of Advanced Functional Materials, School of Electronic and Information Engineering, Changshu Institute of Technology, Changshu 215500, People's Republic of China
| | - L You
- Jiangsu Key Laboratory of Thin Films, School of Physical Science and Technology, Soochow University, Suzhou 215006, People's Republic of China
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Li X, Singh H, Bao Y, Luo Q, Li S, Chatterjee J, Goiriena-Goikoetxea M, Xiao Z, Tamura N, Candler RN, You L, Bokor J, Hong J. Energy Efficient All-Electric-Field-Controlled Multiferroic Magnetic Domain-Wall Logic. Nano Lett 2023; 23:6845-6851. [PMID: 37467358 PMCID: PMC10416346 DOI: 10.1021/acs.nanolett.3c00707] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/10/2023] [Revised: 07/03/2023] [Indexed: 07/21/2023]
Abstract
Magnetic domain wall (DW)-based logic devices offer numerous opportunities for emerging electronics applications allowing superior performance characteristics such as fast motion, high density, and nonvolatility to process information. However, these devices rely on an external magnetic field, which limits their implementation; this is particularly problematic in large-scale applications. Multiferroic systems consisting of a piezoelectric substrate coupled with ferromagnets provide a potential solution that provides the possibility of controlling magnetization through an electric field via magnetoelastic coupling. Strain-induced magnetization anisotropy tilting can influence the DW motion in a controllable way. We demonstrate a method to perform all-electrical logic operations using such a system. Ferromagnetic coupling between neighboring magnetic domains induced by the electric-field-controlled strain has been exploited to promote noncollinear spin alignment, which is used for realizing essential building blocks, including DW generation, propagation, and pinning, in all implementations of Boolean logic, which will pave the way for scalable memory-in-logic applications.
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Affiliation(s)
- Xin Li
- School
of Integrated Circuits, Huazhong University
of Science and Technology, Wuhan 430074, China
| | - Hanuman Singh
- School
of Sciences, Hubei University of Technology, Wuhan 430068, China
- EECS, UC Berkeley, Berkeley, California 94720, United States
| | - Yi Bao
- School
of Integrated Circuits, Huazhong University
of Science and Technology, Wuhan 430074, China
| | - Qiang Luo
- School
of Integrated Circuits, Huazhong University
of Science and Technology, Wuhan 430074, China
| | - Shihao Li
- School
of Integrated Circuits, Huazhong University
of Science and Technology, Wuhan 430074, China
| | | | - Maite Goiriena-Goikoetxea
- Department
of Electricity and Electronics, University
of the Basque Country (UPV/EHU), Leioa 48940, Spain
| | - Zhuyun Xiao
- Department
of Electrical and Computer Engineering, UCLA, Los Angeles, California 90095, United States
| | - Nobumichi Tamura
- Advanced
Light Source, Lawrence Berkeley National
Lab, Berkeley, California 94720, United States
| | - Rob N. Candler
- Department
of Electrical and Computer Engineering, UCLA, Los Angeles, California 90095, United States
| | - Long You
- School
of Integrated Circuits, Huazhong University
of Science and Technology, Wuhan 430074, China
| | - Jeff Bokor
- EECS, UC Berkeley, Berkeley, California 94720, United States
| | - Jeongmin Hong
- School
of Sciences, Hubei University of Technology, Wuhan 430068, China
- EECS, UC Berkeley, Berkeley, California 94720, United States
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Huang L, You L, Aziz N, Yu SH, Lee JS, Choung ES, Luong VD, Jeon MJ, Hur M, Lee S, Lee BH, Kim HG, Cho JY. Antiphotoaging and Skin-Protective Activities of Ardisia silvestris Ethanol Extract in Human Keratinocytes. Plants (Basel) 2023; 12:1167. [PMID: 36904025 PMCID: PMC10007040 DOI: 10.3390/plants12051167] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 01/20/2023] [Revised: 03/01/2023] [Accepted: 03/01/2023] [Indexed: 06/18/2023]
Abstract
Ardisia silvestris is a traditional medicinal herb used in Vietnam and several other countries. However, the skin-protective properties of A. silvestris ethanol extract (As-EE) have not been evaluated. Human keratinocytes form the outermost barrier of the skin and are the main target of ultraviolet (UV) radiation. UV exposure causes skin photoaging via the production of reactive oxygen species. Protection from photoaging is thus a key component of dermatological and cosmetic products. In this research, we found that As-EE can prevent UV-induced skin aging and cell death as well as enhance the barrier effect of the skin. First, the radical-scavenging ability of As-EE was checked using DPPH, ABTS, TPC, CUPRAC, and FRAP assays, and a 3-(4-5-dimethylthiazol-2-yl)-2-5-diphenyltetrazolium bromide assay was used to examine cytotoxicity. Reporter gene assays were used to determine the doses that affect skin-barrier-related genes. A luciferase assay was used to identify possible transcription factors. The anti-photoaging mechanism of As-EE was investigated by determining correlated signaling pathways using immunoblotting analyses. As-EE had no harmful effects on HaCaT cells, according to our findings, and As-EE revealed moderate radical-scavenging ability. With high-performance liquid chromatography (HPLC) analysis, rutin was found to be one of the major components. In addition, As-EE enhanced the expression levels of hyaluronic acid synthase-1 and occludin in HaCaT cells. Moreover, As-EE dose-dependently up-regulated the production of occludin and transglutaminase-1 after suppression caused by UVB blocking the activator protein-1 signaling pathway, in particular, the extracellular response kinase and c-Jun N-terminal kinase. Our findings suggest that As-EE may have anti-photoaging effects by regulating mitogen-activated protein kinase, which is good news for the cosmetics and dermatology sectors.
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Affiliation(s)
- Lei Huang
- Department of Biocosmetics, Sungkyunkwan University, Suwon 16419, Republic of Korea
| | - Long You
- Department of Integrative Biotechnology, Sungkyunkwan University, Suwon 16419, Republic of Korea
| | - Nur Aziz
- Pharmacy Program, Faculty of Science and Technology, Ma Chung University, Malang 65151, Indonesia
| | - Seung Hui Yu
- DanjoungBio, Co., Ltd., Wonju 26303, Republic of Korea
| | - Jong Sub Lee
- DanjoungBio, Co., Ltd., Wonju 26303, Republic of Korea
| | - Eui Su Choung
- DanjoungBio, Co., Ltd., Wonju 26303, Republic of Korea
| | - Van Dung Luong
- Department of Biology, Dalat University, 01 Phu Dong Thien Vuong, Dalat 66106, Vietnam
| | - Mi-Jeong Jeon
- National Institute of Biological Resources, Environmental Research Complex, Incheon 222689, Republic of Korea
| | - Moonsuk Hur
- National Institute of Biological Resources, Environmental Research Complex, Incheon 222689, Republic of Korea
| | - Sarah Lee
- National Institute of Biological Resources, Environmental Research Complex, Incheon 222689, Republic of Korea
| | - Byoung-Hee Lee
- National Institute of Biological Resources, Environmental Research Complex, Incheon 222689, Republic of Korea
| | - Han Gyung Kim
- Department of Integrative Biotechnology, Sungkyunkwan University, Suwon 16419, Republic of Korea
- Research Institute of Biomolecule Control and Biomedical Institute for Convergence at SKKU (BICS), Sungkyunkwan University, Suwon 16419, Republic of Korea
| | - Jae Youl Cho
- Department of Biocosmetics, Sungkyunkwan University, Suwon 16419, Republic of Korea
- Department of Integrative Biotechnology, Sungkyunkwan University, Suwon 16419, Republic of Korea
- Research Institute of Biomolecule Control and Biomedical Institute for Convergence at SKKU (BICS), Sungkyunkwan University, Suwon 16419, Republic of Korea
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9
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Guan Y, Guo Z, You L. Ferroelectric Nanogap-Based Steep-Slope Ambipolar Transistor. Small 2022; 18:e2203017. [PMID: 36180410 DOI: 10.1002/smll.202203017] [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] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/15/2022] [Revised: 09/10/2022] [Indexed: 06/16/2023]
Abstract
The subthreshold swing (SS) of metal-oxide-semiconductor field-effect transistors is limited to 60 mV dec-1 at room temperature by the Boltzmann tyranny, which restricts the scaling of the supply voltage. A nanogap-based transistor employs a switchable nanoscale air gap as the channel, offering a steep-slope switching process. Meanwhile, nanogaps featuring even sub-3 nm can efficiently block the current flow, exhibiting the potential for tackling the short-channel effect. Here, an electrically switchable ferroelectric nanogap to construct steep-slope transistors, is exploited. An average SS of 15.9 mV dec-1 across 5 orders and a minimum SS of 13.23 mV dec-1 are obtained in the high current density range. The transistor exhibits excellent performance with near-zero off-state leakage current and a maximum on-state current of 202 µA µm-1 at VDS = 0.5 V. In addition, the transistor can turn off with either a positive or negative increase in the gate voltage, exhibiting ambipolar characteristics.
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Affiliation(s)
- Yaodong Guan
- School of Optical and Electronic Information and Wuhan National Laboratory for Optoelectronics, Huazhong University of Science and Technology, Wuhan, 430074, China
| | - Zhe Guo
- School of Optical and Electronic Information and Wuhan National Laboratory for Optoelectronics, Huazhong University of Science and Technology, Wuhan, 430074, China
| | - Long You
- School of Optical and Electronic Information and Wuhan National Laboratory for Optoelectronics, Huazhong University of Science and Technology, Wuhan, 430074, China
- Wuhan National High Magnetic Field Center, Huazhong University of Science and Technology, Wuhan, 430074, China
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10
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You L, Huang L, Jang J, Hong YH, Kim HG, Chen H, Shin CY, Yoon JH, Manilack P, Sounyvong B, Lee WS, Jeon MJ, Lee S, Lee BH, Cho JY. Callerya atropurpurea suppresses inflammation in vitro and ameliorates gastric injury as well as septic shock in vivo via TLR4/MyD88-dependent cascade. Phytomedicine 2022; 105:154338. [PMID: 35921773 DOI: 10.1016/j.phymed.2022.154338] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/12/2022] [Revised: 06/27/2022] [Accepted: 07/12/2022] [Indexed: 06/15/2023]
Abstract
BACKGROUND Callerya atropurpurea is a traditional plant in a tropical zone discovered to have anti-inflammatory functions. PURPOSE we want to investigate the mechanism related to anti-inflammation of C. atropurpurea ethanol extract (Ca-EE) both in vitro and in vivo. STUDY DESIGN Murine macrophage cells and mouse models for gastritis and septic shock were conducted to evaluate the abilities of Ca-EE in anti-inflammation. METHODS Ca-EE was tested by HPLC and LC-MS/MS. NO outcome was checked by Griess reagent test. Cell viabilities were evaluated using MTT assay. Inflammatory cytokines were determined via RT-PCR and ELISA. The mechanism of Ca-EE in anti-inflammation was investigated by luciferase reporter gene assay and immunoblot in transcription level and protein level respectively. Gastric injury and septic shock administrated with Ca-EE were studied by H&E, PCR, and immunoblot. RESULTS Ca-EE significantly decreased LPS-induced NO production, but hardly stimulated the expression of NO itself. It not only showed no cytotoxicity, but also protected cells from LPS damage. Moreover, Ca-EE decreased TLR4 expression, altered MyD88 recruitment and TRAF6, and suppressed the phospho-Src/PI3K/AKT. Ca-EE inhibited downstream signaling P38, JNK and NF-κB. Finally, Ca-EE alleviated HCl/EtOH-induced gastritis and LPS/poly (I:C)-induced septic shock through the previously mentioned signaling cascades. CONCLUSION Ca-EE exhibited an integrated and promising mechanism against TLR4-related inflammation, which shows potential for treating gastritis, septic shock, and other inflammatory diseases.
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Affiliation(s)
- Long You
- Department of Integrative Biotechnology and Biomedical Institute for Convergence at SKKU (BICS), Sungkyunkwan University, 2066 Seobu-ro, Jangan-gu, Suwon 16419, Republic of Korea.
| | - Lei Huang
- Department of Biocosmetics, Sungkyunkwan University, Suwon 16419, Republic of Korea
| | - Jiwon Jang
- Department of Integrative Biotechnology and Biomedical Institute for Convergence at SKKU (BICS), Sungkyunkwan University, 2066 Seobu-ro, Jangan-gu, Suwon 16419, Republic of Korea
| | - Yo Han Hong
- Department of Integrative Biotechnology and Biomedical Institute for Convergence at SKKU (BICS), Sungkyunkwan University, 2066 Seobu-ro, Jangan-gu, Suwon 16419, Republic of Korea
| | - Han Gyung Kim
- Department of Integrative Biotechnology and Biomedical Institute for Convergence at SKKU (BICS), Sungkyunkwan University, 2066 Seobu-ro, Jangan-gu, Suwon 16419, Republic of Korea
| | - Hongxi Chen
- Department of Integrative Biotechnology and Biomedical Institute for Convergence at SKKU (BICS), Sungkyunkwan University, 2066 Seobu-ro, Jangan-gu, Suwon 16419, Republic of Korea
| | - Chae Yun Shin
- Department of Biocosmetics, Sungkyunkwan University, Suwon 16419, Republic of Korea
| | - Ji Hye Yoon
- Department of Biocosmetics, Sungkyunkwan University, Suwon 16419, Republic of Korea
| | - Philaxay Manilack
- Department of Forestry, Ministry of Agriculture and Forestry, PO Box 2932, Vientiane, Laos
| | - Bounthan Sounyvong
- Department of Forestry, Ministry of Agriculture and Forestry, PO Box 2932, Vientiane, Laos
| | - Woo-Shin Lee
- Department of Forest Sciences, College of Agriculture and Life Science, Seoul National University, Seoul 08826, Republic of Korea
| | - Mi-Jeong Jeon
- National Institute of Biological Resources, Environmental Research Complex, Incheon 222689, Republic of Korea
| | - Sarah Lee
- National Institute of Biological Resources, Environmental Research Complex, Incheon 222689, Republic of Korea
| | - Byoung-Hee Lee
- National Institute of Biological Resources, Environmental Research Complex, Incheon 222689, Republic of Korea
| | - Jae Youl Cho
- Department of Integrative Biotechnology and Biomedical Institute for Convergence at SKKU (BICS), Sungkyunkwan University, 2066 Seobu-ro, Jangan-gu, Suwon 16419, Republic of Korea; Department of Biocosmetics, Sungkyunkwan University, Suwon 16419, Republic of Korea.
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11
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Han S, You L, Hu Y, Wei S, Liu T, Cho JY, Hu W. Ginsenoside F2 enhances glucose metabolism by modulating insulin signal transduction in human hepatocarcinoma cells. J Ginseng Res 2022; 47:420-428. [DOI: 10.1016/j.jgr.2022.10.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2022] [Revised: 10/04/2022] [Accepted: 10/11/2022] [Indexed: 03/06/2023] Open
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12
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Lee HP, Choi W, Kwon KW, You L, Rahmawati L, Luong VD, Kim W, Lee BH, Lee S, Kim JH, Cho JY. Inhibitory Effects of Grewia tomentosa Juss. on IgE-Mediated Allergic Reaction and DNCB-Induced Atopic Dermatitis. Plants 2022; 11:plants11192540. [PMID: 36235405 PMCID: PMC9571866 DOI: 10.3390/plants11192540] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/04/2022] [Revised: 09/25/2022] [Accepted: 09/26/2022] [Indexed: 11/16/2022]
Abstract
Grewia tomentosa Juss. is a deciduous shrub that mainly grows in Asia. Despite studies of other Grewia species for treatment of various diseases, Grewia tomentosa Juss. has not been studied as a medicinal herb. This study evaluates the anti-allergic and anti-topic dermatitis activity of Grewia tomentosa Juss. ethanol extract (Gt-EE). The results show that Gt-EE suppressed IgE–antigen-induced β-hexosaminidase release. The mRNA expression of IL-1β, IL-4, IL-5, IL-6, IL-13, TNF-α, MCP-1, and TSLP, which are involved in allergic responses, was inhibited by Gt-EE in IgE-stimulated RBL-2H3 cells. In addition, the phosphorylation of Syk, PLCγ1, PKCδ, PI3K, AKT, NF-κB p65, NF-κB p50, p38, JNK, and ERK1/2 was decreased by Gt-EE in these cells. Gt-EE also showed anti-inflammatory effects in in vivo mouse models. In passive cutaneous anaphylaxis (PCA), a commonly used mouse model, Gt-EE decreased the allergic response, infiltration of mast cells, and mRNA level of IL-4. Furthermore, Gt-EE ameliorated symptoms of DNCB-induced atopic dermatitis (AD). In DNCB-induced AD, Gt-EE suppressed the increase in mast cells, serum IgE level, expression of allergic mediators (IL-1β, IL-4, IL-5, IL-6, TNF-α), and phosphorylation of proteins (IκBα, NF-κB p65, NF-κB p50, p38, JNK, and ERK1/2) implicated in allergic reactions
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Affiliation(s)
- Hwa Pyoung Lee
- Department of Integrative Biotechnology, Sungkyunkwan University, Suwon 16419, Korea
| | - Wooram Choi
- Department of Integrative Biotechnology, Sungkyunkwan University, Suwon 16419, Korea
| | - Ki Woong Kwon
- Department of Integrative Biotechnology, Sungkyunkwan University, Suwon 16419, Korea
| | - Long You
- Department of Integrative Biotechnology, Sungkyunkwan University, Suwon 16419, Korea
| | - Laily Rahmawati
- Department of Integrative Biotechnology, Sungkyunkwan University, Suwon 16419, Korea
| | - Van Dung Luong
- Department of Biology, Dalat University, 01 Phu Dong Thien Vuong, Dalat 670000, Vietnam
| | - Wonhee Kim
- National Institute of Biological Resources, Environmental Research Complex, Incheon 222689, Korea
| | - Byoung-Hee Lee
- National Institute of Biological Resources, Environmental Research Complex, Incheon 222689, Korea
| | - Sarah Lee
- National Institute of Biological Resources, Environmental Research Complex, Incheon 222689, Korea
| | - Ji Hye Kim
- Department of Integrative Biotechnology, Sungkyunkwan University, Suwon 16419, Korea
- Correspondence: (J.H.K.); (J.Y.C.); Tel.: +82-31-290-7878 (J.H.K.); +82-31-290-7868 (J.Y.C.)
| | - Jae Youl Cho
- Department of Integrative Biotechnology, Sungkyunkwan University, Suwon 16419, Korea
- Correspondence: (J.H.K.); (J.Y.C.); Tel.: +82-31-290-7878 (J.H.K.); +82-31-290-7868 (J.Y.C.)
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13
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Li R, Song M, Guo Z, Li S, Duan W, Zhang S, Tian Y, Chen Z, Bao Y, Cui J, Xu Y, Wang Y, Tong W, Yuan Z, Cui Y, Xi L, Feng D, Yang X, Zou X, Hong J, You L. In-Memory Mathematical Operations with Spin-Orbit Torque Devices. Adv Sci (Weinh) 2022; 9:e2202478. [PMID: 35811307 PMCID: PMC9443454 DOI: 10.1002/advs.202202478] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 04/28/2022] [Revised: 05/28/2022] [Indexed: 06/15/2023]
Abstract
Analog arithmetic operations are the most fundamental mathematical operations used in image and signal processing as well as artificial intelligence (AI). In-memory computing (IMC) offers a high performance and energy-efficient computing paradigm. To date, in-memory analog arithmetic operations with emerging nonvolatile devices are usually implemented using discrete components, which limits the scalability and blocks large scale integration. Here, a prototypical implementation of in-memory analog arithmetic operations (summation, subtraction and multiplication) is experimentally demonstrated, based on in-memory electrical current sensing units using spin-orbit torque (SOT) devices. The proposed structures for analog arithmetic operations are smaller than the state-of-the-art complementary metal oxide semiconductor (CMOS) counterparts by several orders of magnitude. Moreover, data to be processed and computing results can be locally stored, or the analog computing can be done in the nonvolatile SOT devices, which are exploited to experimentally implement the image edge detection and signal amplitude modulation with a simple structure. Furthermore, an artificial neural network (ANN) with SOT devices based synapses is constructed to realize pattern recognition with high accuracy of ≈95%.
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Affiliation(s)
- Ruofan Li
- School of Optical and Electronic Information & Wuhan National Laboratory for OptoelectronicsHuazhong University of Science and TechnologyWuhan430074China
| | - Min Song
- Faculty of Physics and Electronic ScienceHubei UniversityWuhan430062China
| | - Zhe Guo
- School of Optical and Electronic Information & Wuhan National Laboratory for OptoelectronicsHuazhong University of Science and TechnologyWuhan430074China
| | - Shihao Li
- School of Optical and Electronic Information & Wuhan National Laboratory for OptoelectronicsHuazhong University of Science and TechnologyWuhan430074China
| | - Wei Duan
- Faculty of Physics and Electronic ScienceHubei UniversityWuhan430062China
| | - Shuai Zhang
- School of Optical and Electronic Information & Wuhan National Laboratory for OptoelectronicsHuazhong University of Science and TechnologyWuhan430074China
| | - Yufeng Tian
- School of PhysicsShandong UniversityJinan250100China
| | - Zhenjiang Chen
- School of Optical and Electronic Information & Wuhan National Laboratory for OptoelectronicsHuazhong University of Science and TechnologyWuhan430074China
| | - Yi Bao
- School of Optical and Electronic Information & Wuhan National Laboratory for OptoelectronicsHuazhong University of Science and TechnologyWuhan430074China
| | - Jinsong Cui
- School of Optical and Electronic Information & Wuhan National Laboratory for OptoelectronicsHuazhong University of Science and TechnologyWuhan430074China
| | - Yan Xu
- School of Optical and Electronic Information & Wuhan National Laboratory for OptoelectronicsHuazhong University of Science and TechnologyWuhan430074China
| | - Yaoyuan Wang
- School of Optical and Electronic Information & Wuhan National Laboratory for OptoelectronicsHuazhong University of Science and TechnologyWuhan430074China
| | - Wei Tong
- School of Computer Science and Technology & Wuhan National Laboratory for OptoelectronicsHuazhong University of Science and TechnologyWuhan430074China
| | - Zhe Yuan
- Department of PhysicsBeijing Normal UniversityBeijing100875China
| | - Yan Cui
- Institute of MicroelectronicsUniversity of Chinese Academy of SciencesBeijing100029China
| | - Li Xi
- School of Physical Science and TechnologyLanzhou UniversityLanzhou730000China
| | - Dan Feng
- School of Computer Science and Technology & Wuhan National Laboratory for OptoelectronicsHuazhong University of Science and TechnologyWuhan430074China
| | - Xiaofei Yang
- School of Optical and Electronic Information & Wuhan National Laboratory for OptoelectronicsHuazhong University of Science and TechnologyWuhan430074China
| | - Xuecheng Zou
- School of Optical and Electronic Information & Wuhan National Laboratory for OptoelectronicsHuazhong University of Science and TechnologyWuhan430074China
| | - Jeongmin Hong
- School of Optical and Electronic Information & Wuhan National Laboratory for OptoelectronicsHuazhong University of Science and TechnologyWuhan430074China
| | - Long You
- School of Optical and Electronic Information & Wuhan National Laboratory for OptoelectronicsHuazhong University of Science and TechnologyWuhan430074China
- Shenzhen Huazhong University of Science and Technology Research InstituteShenzhen518000China
- Wuhan National High Magnetic Field CenterHuazhong University of Science and TechnologyWuhan430074China
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14
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Wang H, You L, Zhou X, Surabhi V, Matta E, Aal AA. Abstract No. 340 ▪ FEATURED ABSTRACT Artificial intelligence-mediated multidisciplinary approaches for hepatocellular carcinoma early diagnosis. J Vasc Interv Radiol 2022. [DOI: 10.1016/j.jvir.2022.03.421] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022] Open
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15
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Shin KK, Park SH, Lim HY, Lorza LR, Qomaladewia NP, You L, Aziz N, Kim SA, Lee JS, Choung ES, Noh JK, Yie DK, Jeong D, Lee J, Cho JY. In Vitro Anti-Photoaging and Skin Protective Effects of Licania macrocarpa Cuatrec Methanol Extract. Plants (Basel) 2022; 11:1383. [PMID: 35631808 PMCID: PMC9144732 DOI: 10.3390/plants11101383] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/21/2022] [Revised: 05/16/2022] [Accepted: 05/18/2022] [Indexed: 12/24/2022]
Abstract
The Licania genus has been used in the treatment of dysentery, diabetes, inflammation, and diarrhea in South America. Of these plants, the strong anti-inflammatory activity of Licania macrocarpa Cuatrec (Chrysobalanaceae) has been reported previously. However, the beneficial activities of this plant on skin health have remained unclear. This study explores the protective activity of a methanol extract (50-100 μg/mL) in the aerial parts of L. macrocarpa Cuatrec (Lm-ME) and its mechanism, in terms of its moisturizing/hydration factors, skin wrinkles, UV radiation-induced cell damage, and radical generation (using RT/real-time PCR, carbazole assays, flowcytometry, DPPH/ABTS, and immunoblotting analysis). The anti-pigmentation role of Lm-ME was also tested by measuring levels of melanin, melanogenesis-related genes, and pigmentation-regulatory proteins. Lm-ME decreased UVB-irradiated death in HaCaT cells by suppressing apoptosis and inhibited matrix metalloproteinases 1/2 (MMP1/2) expression by enhancing the activity of extracellular signal-regulated kinase (ERK), c-Jun N-terminal kinase (JNK), and p38. It was confirmed that Lm-ME displayed strong antioxidative activity. Lm-ME upregulated the expression of hyaluronan synthases-2/3 (HAS-2/3) and transglutaminase-1 (TGM-1), as well as secreted levels of hyaluronic acid (HA) via p38 and JNK activation. This extract also significantly inhibited the production of hyaluronidase (Hyal)-1, -2, and -4. Lm-ME reduced the melanin expression of microphthalmia-associated transcription factor (MITF), tyrosinase, and tyrosinase-related protein-1/2 (TYRP-1/2) in α-melanocyte-stimulating hormone (α-MSH)-treated B16F10 cells via the reduction of cAMP response element-binding protein (CREB) and p38 activation. These results suggest that Lm-ME plays a role in skin protection through antioxidative, moisturizing, cytoprotective, and skin-lightening properties, and may become a new and promising cosmetic product beneficial for the skin.
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Affiliation(s)
- Kon Kuk Shin
- Department of Integrative Biotechnology, Biomedical Institute for Convergence at SKKU (BICS), Sungkyunkwan University, Suwon 16419, Korea; (K.K.S.); (L.R.L.); (N.P.Q.); (L.Y.); (N.A.); (D.J.)
| | - Sang Hee Park
- Department of Biocosmetics, Sungkyunkwan University, Suwon 16419, Korea; (S.H.P.); (H.Y.L.)
| | - Hye Yeon Lim
- Department of Biocosmetics, Sungkyunkwan University, Suwon 16419, Korea; (S.H.P.); (H.Y.L.)
| | - Laura Rojas Lorza
- Department of Integrative Biotechnology, Biomedical Institute for Convergence at SKKU (BICS), Sungkyunkwan University, Suwon 16419, Korea; (K.K.S.); (L.R.L.); (N.P.Q.); (L.Y.); (N.A.); (D.J.)
| | - Nurinanda Prisky Qomaladewia
- Department of Integrative Biotechnology, Biomedical Institute for Convergence at SKKU (BICS), Sungkyunkwan University, Suwon 16419, Korea; (K.K.S.); (L.R.L.); (N.P.Q.); (L.Y.); (N.A.); (D.J.)
| | - Long You
- Department of Integrative Biotechnology, Biomedical Institute for Convergence at SKKU (BICS), Sungkyunkwan University, Suwon 16419, Korea; (K.K.S.); (L.R.L.); (N.P.Q.); (L.Y.); (N.A.); (D.J.)
| | - Nur Aziz
- Department of Integrative Biotechnology, Biomedical Institute for Convergence at SKKU (BICS), Sungkyunkwan University, Suwon 16419, Korea; (K.K.S.); (L.R.L.); (N.P.Q.); (L.Y.); (N.A.); (D.J.)
| | - Soo Ah Kim
- DanjoungBio Co., Ltd., Wonju 26303, Korea; (S.A.K.); (J.S.L.); (E.S.C.)
| | - Jong Sub Lee
- DanjoungBio Co., Ltd., Wonju 26303, Korea; (S.A.K.); (J.S.L.); (E.S.C.)
| | - Eui Su Choung
- DanjoungBio Co., Ltd., Wonju 26303, Korea; (S.A.K.); (J.S.L.); (E.S.C.)
| | - Jin Kyung Noh
- Instituto de BioEconomia, El Batan, Quito 170135, Ecuador;
| | - Dong-Keun Yie
- International Biological Material Research Center, Korea Research Institute of Bioscience and Biotechnology, Daejeon 34141, Korea;
| | - Deok Jeong
- Department of Integrative Biotechnology, Biomedical Institute for Convergence at SKKU (BICS), Sungkyunkwan University, Suwon 16419, Korea; (K.K.S.); (L.R.L.); (N.P.Q.); (L.Y.); (N.A.); (D.J.)
- Convergence Research Center for Energy and Environmental Sciences, Sungkyunkwan University, Suwon 16419, Korea
| | - Jongsung Lee
- Department of Integrative Biotechnology, Biomedical Institute for Convergence at SKKU (BICS), Sungkyunkwan University, Suwon 16419, Korea; (K.K.S.); (L.R.L.); (N.P.Q.); (L.Y.); (N.A.); (D.J.)
- Department of Biocosmetics, Sungkyunkwan University, Suwon 16419, Korea; (S.H.P.); (H.Y.L.)
| | - Jae Youl Cho
- Department of Integrative Biotechnology, Biomedical Institute for Convergence at SKKU (BICS), Sungkyunkwan University, Suwon 16419, Korea; (K.K.S.); (L.R.L.); (N.P.Q.); (L.Y.); (N.A.); (D.J.)
- Department of Biocosmetics, Sungkyunkwan University, Suwon 16419, Korea; (S.H.P.); (H.Y.L.)
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Ha AT, Rahmawati L, You L, Hossain MA, Kim JH, Cho JY. Anti-Inflammatory, Antioxidant, Moisturizing, and Antimelanogenesis Effects of Quercetin 3-O-β-D-Glucuronide in Human Keratinocytes and Melanoma Cells via Activation of NF-κB and AP-1 Pathways. Int J Mol Sci 2021; 23:ijms23010433. [PMID: 35008862 PMCID: PMC8745180 DOI: 10.3390/ijms23010433] [Citation(s) in RCA: 25] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2021] [Revised: 12/26/2021] [Accepted: 12/29/2021] [Indexed: 12/19/2022] Open
Abstract
Quercetin 3-O-β-D-glucuronide (Q-3-G), the glucuronide conjugate of quercetin, has been reported as having anti-inflammatory properties in the lipopolysaccharide-stimulated macrophages, as well as anticancer and antioxidant properties. Unlike quercetin, which has been extensively described to possess a wide range of pharmacological activities including skin protective effects, the pharmacological benefits and mechanisms Q-3-G in the skin remained to be elucidated. This study focused on characterizing the skin protective properties, including anti-inflammatory and antioxidant properties, of Q-3-G against UVB-induced or H2O2-induced oxidative stress, the hydration effects, and antimelanogenesis activities using human keratinocytes (HaCaT) and melanoma (B16F10) cells. Q-3-G down-regulated the expression of the pro-inflammatory gene and cytokine such as cyclooxygenase-2 (COX-2) and tumor necrosis factor (TNF)-α in H2O2 or UVB-irradiated HaCaT cells. We also showed that Q-3-G exhibits an antioxidant effect using free radical scavenging assays, flow cytometry, and an increased expression of nuclear factor erythroid 2- related factor 2 (Nrf2). Q-3-G reduced melanin production in α-melanocyte-stimulating hormone (α-MSH)-induced B16F10 cells. The hydration effects and mechanisms of Q-3-G were examined by evaluating the moisturizing factor-related genes, such as transglutaminase-1 (TGM-1), filaggrin (FLG), and hyaluronic acid synthase (HAS)-1. In addition, Q-3-G increased the phosphorylation of c-Jun, Jun N-terminal kinase (JNK), Mitogen-activated protein kinase (MAPK) kinase 4 (MKK4), and TAK1, involved in the MAPKs/AP-1 pathway, and the phosphorylation of IκBα, IκB kinase (IKK)-α, Akt, and Src, involved in the NF-κB pathway. Taken together, we have demonstrated that Q-3-G exerts anti-inflammatory, antioxidant, moisturizing, and antimelanogenesis properties in human keratinocytes and melanoma cells through NF-κB and AP-1 pathways.
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Affiliation(s)
- Anh Thu Ha
- Department of Integrative Biotechnology, Sungkyunkwan University, Suwon 16419, Korea; (A.T.H.); (L.R.); (L.Y.)
| | - Laily Rahmawati
- Department of Integrative Biotechnology, Sungkyunkwan University, Suwon 16419, Korea; (A.T.H.); (L.R.); (L.Y.)
| | - Long You
- Department of Integrative Biotechnology, Sungkyunkwan University, Suwon 16419, Korea; (A.T.H.); (L.R.); (L.Y.)
| | - Mohammad Amjad Hossain
- Department of Veterinary Physiology, College of Medicine, Chonbuk National University, Iksan 54596, Korea;
| | - Jong-Hoon Kim
- Department of Veterinary Physiology, College of Medicine, Chonbuk National University, Iksan 54596, Korea;
- Correspondence: (J.-H.K.); (J.Y.C.); Tel.: +82-63-270-2563 (J.-H.K.); +82-31-290-7868 (J.Y.C.)
| | - Jae Youl Cho
- Department of Integrative Biotechnology, Sungkyunkwan University, Suwon 16419, Korea; (A.T.H.); (L.R.); (L.Y.)
- Biomedical Institute for Convergence at SKKU (BICS), Sungkyunkwan University, Suwon 16419, Korea
- Correspondence: (J.-H.K.); (J.Y.C.); Tel.: +82-63-270-2563 (J.-H.K.); +82-31-290-7868 (J.Y.C.)
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17
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You L, Cha S, Kim MY, Cho JY. Ginsenosides are active ingredients in Panax ginseng with immunomodulatory properties from cellular to organismal levels. J Ginseng Res 2021; 46:711-721. [DOI: 10.1016/j.jgr.2021.12.007] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2021] [Revised: 12/10/2021] [Accepted: 12/21/2021] [Indexed: 02/06/2023] Open
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Chen K, Zhang G, Xie H, You L, Li H, Zhang Y, Du C, Xu S, Melsaether C, Yuan S. Efficacy of Bifidobacterium animalis subsp. lactis, BB-12 ® on infant colic - a randomised, double-blinded, placebo-controlled study. Benef Microbes 2021; 12:531-540. [PMID: 34550055 DOI: 10.3920/bm2020.0233] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
To evaluate the administration of Bifidobacterium animalis subsp. lactis, BB-12® (BB-12) on infant colic in breastfed infants, a double-blind, placebo-controlled randomised study was conducted in Chengdu, China from April 2016 to October 2017 with 192 full-term infants less than 3 months of age and meeting the ROME III criteria for infant colic. After a 1-week run-in the infants were randomly assigned to receive daily BB-12 (1×109 cfu/day) or placebo for 3 weeks. Crying/fussing time were recorded using a 24 h structured diary. The primary endpoint was the proportion of infants achieving a reduction in crying and fussing time of ≥50% from baseline. Parent's/caregiver's health related quality of life was measured using a modified PedsQL™ 2.0 Family Impact Module and immunological biomarkers were evaluated from faecal samples at baseline and after the 21-day intervention. The percentage of infants achieving a reduction in the daily crying/fussing time ≥50% after the 21-day intervention was significantly higher in the infants supplemented with BB-12 (P<0.001). The mean number of crying episodes was significantly reduced in the BB-12 group compared to the placebo group (10.0±3.0 to 5.0±1.87 vs 10.5±2.6 to 7.5±2.8, respectively) (P<0.001) and the mean daily sleep duration was markedly increased from baseline to end of intervention in the BB-12 group compared to the infants in the placebo group (60.7±104.0 vs 31.9±102.7 min/day, respectively) (P<0.001). The faecal levels of human beta defensin 2, cathelicidin, slgA, calprotectin and butyrate were statistically higher in the BB-12 group compared to the placebo group after the 21-day intervention. At the end of the intervention the parent's/caregiver's physical, emotional and social functioning scores were significantly higher for the BB-12 group compared to the placebo group (all P<0.05). Supplementation of BB-12 is effective in reducing crying and fussing in infants diagnosed with infant colic.
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Affiliation(s)
- K Chen
- Department of Nutrition, Chengdu Women's and Children's Central Hospital, School of Medicine, University of Electronic Science and Technology of China, No. 1617, Riyue Avenue, Qingyang District, Chengdu, 6100131, China P.R.,Department of Child Health Care, Chengdu New Century Women's and Children's Hospital, No.77, Baojia Lane, Qingyang District, Chengdu, China P.R
| | - G Zhang
- Department of Pediatric Intensive Care Unit, Chengdu Women's and Children's Central Hospital, School of Medicine, University of Electronic Science and Technology of China, No. 1617, Riyue Avenue, Qingyang District, Chengdu, China P.R
| | - H Xie
- Department of Pediatrics, Dayi Maternal and Child Health Care Hospital, No. 539, Inner Mongolia Avenue, Jinyuan Town, Dayi County, Chengdu, China P.R
| | - L You
- Department of Child Health Care, Nanxin Community Health Service Center, N0. 168, Guanghe 1st Street, Wuhou District, Chengdu, China P.R
| | - H Li
- Department of Child Health Care, Qingbaijiang Maternal and Child Health Care Hospital, No.87, Qingjiang South Road, Qingbaijiang District, Chengdu, China P.R
| | - Y Zhang
- Department of Child Health Care, Jinniu Maternal and Child Health Care Hospital, No.12, Changyue Road, Jinniu District, Chengdu, China P.R
| | - C Du
- Department of Child Health Care, Longquanyi Maternal and Child Health Care Hospital, No.383, Yuyang Road, Longquanyi District, Chengdu, China P.R
| | - S Xu
- Department of Child Health Care, Huili Maternal and Child Health Care Hospital, No. 41, Jindai Road West Section, Guoyuan Township, Huili County, Xichang, China P.R
| | - C Melsaether
- Chr. Hansen A/S, HH Clinical Development, Kogle Alle 6, 2970 Hoersholm, Denmark
| | - S Yuan
- Department of Nutrition, Chengdu Women's and Children's Central Hospital, School of Medicine, University of Electronic Science and Technology of China, No. 1617, Riyue Avenue, Qingyang District, Chengdu, 6100131, China P.R
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You L, Kim MY, Cho JY. Protective Effect of Potentilla glabra in UVB-Induced Photoaging Process. Molecules 2021; 26:molecules26175408. [PMID: 34500840 PMCID: PMC8434042 DOI: 10.3390/molecules26175408] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2021] [Revised: 09/03/2021] [Accepted: 09/03/2021] [Indexed: 11/17/2022] Open
Abstract
Maintaining skin homeostasis is one of the most important factors for skin health. UVB-induced skin photoaging is a difficult problem that has negative impacts on skin homeostasis. So far, a number of compounds have been discovered that improve human skin barrier function and hydration, and are thought to be effective ways to protect skin homeostasis. Potentilla glabra var. mandshurica (Maxim.) Hand.-Mazz. Ethanol Extract (Pg-EE) is a compound that has noteworthy anti-inflammatory properties. However, its skin-protective effects are poorly understood. Therefore, we evaluated the capacity of Pg-EE to strengthen the skin barrier and improve skin hydration. Pg-EE can enhance the expression of filaggrin (FLG), transglutaminase (TGM)-1, hyaluronic acid synthase (HAS)-1, and HAS-2 in human keratinocytes. Moreover, Pg-EE down-regulated the expression of pro-inflammatory cytokines and up-regulated the production of FLG, HAS-1, and HAS-2 suppressed by UVB through inhibition of p38 mitogen-activated protein kinase (MAPK) and extracellular signal-regulated kinase (ERK) pathways. Given the above, since Pg-EE can improve skin barrier, hydration and reduce the UVB-induced inflammation on skin, it could therefore be a valuable natural ingredient for cosmetics or pharmaceuticals to treat skin disorders.
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Affiliation(s)
- Long You
- Department of Integrative Biotechnology, and Biomedical Institute for Convergence at SKKU (BICS), Sungkyunkwan University, Suwon 16419, Korea
| | - Mi-Yeon Kim
- School of Systems Biomedical Science, Soongsil University, Seoul 06978, Korea
| | - Jae Youl Cho
- Department of Integrative Biotechnology, and Biomedical Institute for Convergence at SKKU (BICS), Sungkyunkwan University, Suwon 16419, Korea
- Department of Biocosmetics, Sungkyunkwan University, Suwon 16419, Korea
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20
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You L, Lv Z, Li C, Ye W, Zhou Y, Jin J, Han Q. Worldwide cancer statistics of adolescents and young adults in 2019: a systematic analysis of the Global Burden of Disease Study 2019. ESMO Open 2021; 6:100255. [PMID: 34481330 PMCID: PMC8417345 DOI: 10.1016/j.esmoop.2021.100255] [Citation(s) in RCA: 27] [Impact Index Per Article: 9.0] [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: 05/06/2021] [Revised: 07/18/2021] [Accepted: 08/02/2021] [Indexed: 12/30/2022] Open
Abstract
Background The cancer burden in adolescents and young adults (AYAs) deserves more attention. However, global cancer statistics for AYAs are often presented as aggregates, concealing important heterogeneity. This study aimed to describe the worldwide profile of cancer incidence, mortality, and corresponding trends from 1990 to 2019 among 15-39-year olds by focusing on the patterns by age, sex, sociodemographic index (SDI), and regions. Patients and methods Global, regional, and country data on the number of cancer cases and cancer-related deaths for 29 cancer types were collected from the 2019 Global Burden of Disease (GBD) Study. We also summarized the results using five levels of the SDI and 21 GBD regions. Results In 2019, an estimated 1 335 100 new cancer cases and 397 583 cancer-related deaths occurred among AYAs worldwide. While the incidence rate increased mildly, the death rate decreased significantly between 1990 and 2019, with an estimated annual percentage change of 0.38 (95% confidence interval 0.36-0.39) and −0.93 (95% confidence interval −0.95 to −0.92), respectively. The cancer burden was disproportionally greater among women than among men. The cancer profiles varied substantially across geographical regions, with the highest burden being in South Asia and East Asia. Besides, the cancer incidence in the high SDI regions was four times higher than that in the low SDI regions; however, the mortality burden in the high SDI region was lower than that in the low SDI region, which reflected the differences in cancer profiles across SDI regions and the inferior outcomes in the low SDI regions. Conclusion This study updates the previous epidemiological data of the cancer burden of AYAs. The cancer burden in AYAs varied substantially according to age, sex, SDI, and geographical regions. These findings highlight that the specific cancer profile of AYA patients requires targeted cancer control measures to reduce the cancer burden in this age group. The cancer burden in AYAs varied substantially according to age, sex, SDI, and geographical regions. Cancer burden in AYAs was disproportionally greater among women than among men. Cancer profiles of AYAs varied across different geographical regions and SDI regions. Cancer burden in AYAs was still considerable in the low SDI regions.
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Affiliation(s)
- L You
- Department of Hematology, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, Zhejiang, People's Republic of China; Zhejiang Province Key Laboratory of Hematology Oncology Diagnosis and Treatment, Hangzhou, Zhejiang, People's Republic of China
| | - Z Lv
- Xinyuan Institute of Medicine and Biotechnology, School of Life Sciences and Medicine, Zhejiang Sci-Tech University, Hangzhou, People's Republic of China
| | - C Li
- Department of Hematology, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, Zhejiang, People's Republic of China; Zhejiang Province Key Laboratory of Hematology Oncology Diagnosis and Treatment, Hangzhou, Zhejiang, People's Republic of China
| | - W Ye
- Department of Hematology, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, Zhejiang, People's Republic of China; Zhejiang Province Key Laboratory of Hematology Oncology Diagnosis and Treatment, Hangzhou, Zhejiang, People's Republic of China
| | - Y Zhou
- Department of Hematology, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, Zhejiang, People's Republic of China; Zhejiang Province Key Laboratory of Hematology Oncology Diagnosis and Treatment, Hangzhou, Zhejiang, People's Republic of China
| | - J Jin
- Department of Hematology, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, Zhejiang, People's Republic of China; Zhejiang Province Key Laboratory of Hematology Oncology Diagnosis and Treatment, Hangzhou, Zhejiang, People's Republic of China.
| | - Q Han
- Department of Hematology, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, Zhejiang, People's Republic of China; Department of Pathology, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, Zhejiang, People's Republic of China.
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Cai J, Chen HD, Lu M, Zhang YH, Lu B, You L, Dai M, Zhao YP. [Trend analysis on morbidity and mortality of pancreatic cancer in China, 2005-2015]. Zhonghua Liu Xing Bing Xue Za Zhi 2021; 42:794-800. [PMID: 34814469 DOI: 10.3760/cma.j.cn112338-20201115-01328] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Objective: To analyze the trend of morbidity and mortality of pancreatic cancer in China from 2005 to 2015 and estimate the related age, period and cohort effect, respectively. Methods: Joinpoint regression analysis was used to analyze the trend of morbidity rate and mortality rate of pancreatic cancer during 2005-2015 and calculate the annual percentage change and average annual percentage change based on the data in the annual report of China Cancer Registry. Population aged 20-84 years was fitted by the Age-Period-Cohort model to estimate the effect parameters of age, period and cohort. Results: The trend variations of the crude morbidity rate and crude mortality rate of pancreatic cancer were consistent. The morbidity rate of pancreatic cancer firstly increased before 2008 and then decreased. The morbidity rate and mortality rate of pancreatic cancer were higher in men than women, and higher in urban areas than in rural areas. From 2005 to 2015, the overall age-standardized morbidity rate of pancreatic cancer increased by 2.78% annually and the overall age standardized mortality rate of pancreatic cancer increased by 2.24% annually. The age standardized morbidity of pancreatic cancer in rural men changed more rapidly, with an average annual increase of 3.74%, and the age standardized mortality rate of pancreatic cancer in urban men changed more rapidly, with an average annual increase of 3.57%. The age effect on the morbidity and mortality of pancreatic cancer increased with age, and the effect was most obvious in age group 70-80 years, the period effect increased over time and the cohort effect decreased with year, but rebound or fluctuation was observed after 1976. Conclusions: The morbidity rate and mortality rate of pancreatic cancer in China increased slightly in past decades. Strategies on effective prevention and control of pancreatic cancer should be developed in the future.
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Affiliation(s)
- J Cai
- Department of General Surgery, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100730, China
| | - H D Chen
- Office of Cancer Screening, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100021, China
| | - M Lu
- Office of Cancer Screening, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100021, China
| | - Y H Zhang
- Office of Cancer Screening, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100021, China
| | - B Lu
- Office of Cancer Screening, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100021, China
| | - L You
- Department of General Surgery, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100730, China
| | - M Dai
- Office of Cancer Screening, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100021, China
| | - Y P Zhao
- Department of General Surgery, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100730, China
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22
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Abstract
As the largest organ in our body, the skin acts as a barrier against external stress and damages. There are various cell types of skin, such as keratinocytes, melanocytes, fibroblasts, and skin stem cells. Korean ginseng, which is one of the biggest distributions of ginseng worldwide, is processed into different products, such as functional food, cosmetics, and medical supplies. This review aims to introduce the functional role of Korean ginseng on different dermal cell types, including the impact of Korean ginseng in anti-photodamaging, anti-inflammatory, anti-oxidative, anti-melanogenic, and wound healing activities, etc. We propose that this information could form the basis of future research of ginseng-derived components in skin health.
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Affiliation(s)
- Long You
- Department of Integrative Biotechnology, and Biomedical Institute for Convergence at SKKU (BICS), Sungkyunkwan University, Suwon, Republic of Korea
| | - Jae Youl Cho
- Department of Integrative Biotechnology, and Biomedical Institute for Convergence at SKKU (BICS), Sungkyunkwan University, Suwon, Republic of Korea
- Department of Biocosmetics, Sungkyunkwan University, Suwon, Republic of Korea
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Ban YL, You L, Wang T, Wu LZ, Liu Q. Metallaphotoredox Dearomatization of Indoles by a Benzamide-Empowered [4 + 2] Annulation: Facile Access to Indolo[2,3-c]isoquinolin-5-ones. ACS Catal 2021. [DOI: 10.1021/acscatal.1c00920] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Affiliation(s)
- Yong-Liang Ban
- State Key Laboratory of Applied Organic Chemistry, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou, 730000, P. R. China
| | - Long You
- State Key Laboratory of Applied Organic Chemistry, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou, 730000, P. R. China
| | - Tao Wang
- State Key Laboratory of Applied Organic Chemistry, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou, 730000, P. R. China
| | - Li-Zhu Wu
- Key Laboratory of Photochemical Conversion and Optoelectronic Materials, Technical Institute of Physics and Chemistry, the Chinese Academy of Sciences, Beijing 100190, P. R. China
| | - Qiang Liu
- State Key Laboratory of Applied Organic Chemistry, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou, 730000, P. R. China
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Ban YL, You L, Feng KW, Ma FC, Jin XL, Liu Q. Meyer-Schuster-Type Rearrangement of Propargylic Alcohols into α-Selenoenals and -enones with Diselenides. J Org Chem 2021; 86:5274-5283. [PMID: 33709711 DOI: 10.1021/acs.joc.1c00167] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
We describe a mild and broadly applicable protocol for the preparation of a diverse array of multisubstituted α-selenoenals and -enones from readily accessible propargylic alcohols and diselenides. The transformation proceeds via the Selectfluor-promoted selenirenium pathway, which enables selenenylation/rearrangement of a variety of propargylic alcohols. Gram-scale experiments showed the potential of this synergistic protocol for practical application.
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Affiliation(s)
- Yong-Liang Ban
- State Key Laboratory of Applied Organic Chemistry, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou, Gansu 730000, People's Republic of China
| | - Long You
- State Key Laboratory of Applied Organic Chemistry, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou, Gansu 730000, People's Republic of China
| | - Kai-Wen Feng
- State Key Laboratory of Applied Organic Chemistry, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou, Gansu 730000, People's Republic of China
| | - Fei-Cen Ma
- State Key Laboratory of Applied Organic Chemistry, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou, Gansu 730000, People's Republic of China
| | - Xiao-Ling Jin
- State Key Laboratory of Applied Organic Chemistry, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou, Gansu 730000, People's Republic of China
| | - Qiang Liu
- State Key Laboratory of Applied Organic Chemistry, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou, Gansu 730000, People's Republic of China
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Abstract
Multiferroic tunnel junctions (MFTJs) have aroused significant interest due to their functional properties useful for nonvolatile memory devices. So far, however, all of the existing MFTJs have been based on perovskite-oxide heterostructures limited by a relatively high resistance-area (RA) product unfavorable for practical applications. Here, using first-principles calculations, we explore spin-dependent transport properties of van der Waals (vdW) MFTJs which consist of two-dimensional (2D) ferromagnetic FenGeTe2 (n = 3, 4, 5) electrodes and 2D ferroelectric In2Se3 barrier layers. We demonstrate that such FemGeTe2/In2Se3/FenGeTe2 (m, n = 3, 4, 5; m ≠ n) MFTJs exhibit multiple nonvolatile resistance states associated with different polarization orientation of the ferroelectric In2Se3 layer and magnetization alignment of the two ferromagnetic FenGeTe2 layers. We find a remarkably low RA product (less than 1 Ω·μm2) which makes the proposed vdW MFTJs superior to the conventional MFTJs in terms of their promise for nonvolatile memory applications.
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Affiliation(s)
- Yurong Su
- School of Optical and Electronic Information, Huazhong University of Science and Technology, 430074 Wuhan, China
| | - Xinlu Li
- School of Physics and Wuhan National High Magnetic Field Center, Huazhong University of Science and Technology, 430074 Wuhan, China
| | - Meng Zhu
- School of Physics and Wuhan National High Magnetic Field Center, Huazhong University of Science and Technology, 430074 Wuhan, China
| | - Jia Zhang
- School of Physics and Wuhan National High Magnetic Field Center, Huazhong University of Science and Technology, 430074 Wuhan, China
| | - Long You
- School of Optical and Electronic Information, Huazhong University of Science and Technology, 430074 Wuhan, China
| | - Evgeny Y Tsymbal
- Department of Physics and Astronomy and Nebraska Center for Materials and Nanoscience, University of Nebraska, Lincoln, Nebraska 68588, United States
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Anton S, Mankowski R, Qiu P, You L, Bensadon B, Audino E, Custodero C, Lee J, Hincapie J, McLaren C, Leeuwenburgh C, Ganesh S. Vitamin D Supplementation Is Associated with a Reduction in Self-Reported Falls among Older Adults with Previous Fall History – Feasibility Study. J Frailty Aging 2021; 11:224-230. [DOI: 10.14283/jfa.2021.46] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
Background: Vitamin D insufficiency contributes to muscle weakness and a higher risk of falls in older adults. Objectives: This study explored the impact of vitamin D supplementation on self-reported falls and physical function in older adults with low vitamin D levels and a recent fall history. Materials and Methods: Twenty-five older adults ≥ 70 years with two or more falls during the past year, low vitamin D blood levels (≥10 ng/ml and < 30 ng/mL), and slow gait speed (1.2 m/s) participated in a 6-month vitamin D supplementation (800 IU/day) study. A modified version of the Morse Fall Scale questionnaire was used to assess frequency of falls over one-year prior to study enrollment. Functional outcomes (short physical performance battery, handgrip strength, gait Timed Up and Go, and six-minute walk), and vitamin D levels were assessed at baseline and 6-month follow-up. Results: Based on diaries and pill counts, participants were generally adherent to the intervention (6 of 7 days per week). Supplementation with 800 IU/day of vitamin D for 6 months increased blood vitamin D levels from 23.25±4.8 ng/ml to 29.13±6.9 ng/ml (p<0.001). Self-reported number of falls decreased from an average of 3.76 ± 2.2 falls in one-year to 0.76 ± 1.4 falls (p <0.0001) over the 6-month intervention. No changes in functional outcome measures were observed. Conclusions: Vitamin D supplementation at the currently recommended dose of 800 IU/day increased blood vitamin D levels and reduced frequency of falls in older adults with low vitamin D levels and a recent fall history.
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Su Y, Zhang J, Hong J, You L. The effect of insertion layer on the perpendicular magnetic anisotropy and its electric-field-induced change at Fe/MgO interface: a first-principles investigation. J Phys Condens Matter 2020; 32:454001. [PMID: 32679571 DOI: 10.1088/1361-648x/aba721] [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] [Subscribe] [Scholar Register] [Received: 05/25/2020] [Accepted: 07/17/2020] [Indexed: 06/11/2023]
Abstract
The development of ultralow power and high density nonvolatile magnetic random access memory stimulates the search for promising materials in magnetic tunnel junction with large voltage-controlled magnetic anisotropy (VCMA) efficiency. In this work, we investigate the 4dand 5dtransition metal interlayer effect on perpendicular magnetic anisotropy (PMA) and VCMA at Fe/MgO interface by using first-principles calculations. Large PMA more than 11 mJ m-2is found at Fe/MgO interface with Pt insertion layer and the mechanism for PMA is clarified based on the second order perturbation theory. Furthermore, we find that the magnitude and the sign of VCMA efficiency are varied by introducing different insertions at Fe/MgO interface. The Re and Os interlayers lead to a sizable increase in both of the PMA and the VCMA coefficient. Our findings may further emphasize the essential importance of the interface structure on PMA and VCMA and may offer new material platforms for low-power consumption spintronic devices.
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Affiliation(s)
- Yurong Su
- School of Optical and Electronic Information, Huazhong University of Science and Technology, 430074 Wuhan, People's Republic of China
| | - Jia Zhang
- School of Physics and Wuhan National High Magnetic Field Center, Huazhong University of Science and Technology, 430074 Wuhan, People's Republic of China
| | - Jeongmin Hong
- School of Optical and Electronic Information, Huazhong University of Science and Technology, 430074 Wuhan, People's Republic of China
| | - Long You
- School of Optical and Electronic Information, Huazhong University of Science and Technology, 430074 Wuhan, People's Republic of China
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You L, Zhang F, Huang S, Merchant A, Zhou X, Li Z. Over-expression of RNA interference (RNAi) core machinery improves susceptibility to RNAi in silkworm larvae. Insect Mol Biol 2020; 29:353-362. [PMID: 32086963 DOI: 10.1111/imb.12639] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/21/2019] [Revised: 01/18/2020] [Accepted: 02/16/2020] [Indexed: 06/10/2023]
Abstract
RNA interference (RNAi), one of the strategies that organisms use to defend against invading viruses, is an important tool for functional genomic analysis. In insects, the efficacy of RNAi varies amongst taxa. Lepidopteran insects are, in large part, recalcitrant to RNAi. The overall goal of this study is to overcome such insensitivity in lepidopterans to RNAi. We hypothesize that over-expression of core RNAi machinery enzymes can improve RNAi efficacy in traditionally recalcitrant species. A transgenic Bombyx mori strain, Baculovirus Immediate-Early Gene, ie1, promoter driven expression of silkworm Dicer2 coding sequence (IE1-BmDicer2), which over-expresses BmDicer2, was generated by piggyBac transposon-mediated transgenesis. Two indexes, the ratio of animals that showed a silencing phenotype and the duration of silencing, were used to evaluate silencing efficiency. Significant knockdown of target gene expression was observed at 48 h postinjection at both the transcriptional and translational levels. Furthermore, we coexpressed B. mori Argonaute 2 BmAgo2)and BmDicer 2 and found that 22% of the animals (n = 18) showed an obvious silencing effect even at 72 h, suggesting that coexpression of these two RNAi core machinery enzymes further increased the susceptibility of B. mori to injected double-stranded RNAs. This study offers a new strategy for functional genomics research in RNAi-refractory insect taxa in general and for lepidopterans in particular.
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Affiliation(s)
- L You
- Key Laboratory of Insect Developmental and Evolutionary Biology, Institute of Plant Physiology and Ecology, Chinese Academy of Sciences, Shanghai, China
| | - F Zhang
- School of Life Science, Shanghai University, Shanghai, China
| | - S Huang
- Agricultrual and Medical Biotechnology, University of Kentucky, Lexington, KY, USA
| | - A Merchant
- Department of Entomology, University of Kentucky, Lexington, KY, USA
| | - X Zhou
- Department of Entomology, University of Kentucky, Lexington, KY, USA
| | - Z Li
- Key Laboratory of Insect Developmental and Evolutionary Biology, Institute of Plant Physiology and Ecology, Chinese Academy of Sciences, Shanghai, China
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Yu Z, Shen M, Zeng Z, Liang S, Liu Y, Chen M, Zhang Z, Lu Z, You L, Yang X, Zhang Y, Xiong R. Voltage-controlled skyrmion-based nanodevices for neuromorphic computing using a synthetic antiferromagnet. Nanoscale Adv 2020; 2:1309-1317. [PMID: 36133072 PMCID: PMC9419653 DOI: 10.1039/d0na00009d] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/06/2020] [Accepted: 02/06/2020] [Indexed: 06/13/2023]
Abstract
Spintronics exhibits significant potential for a neuromorphic computing system with high speed, high integration density, and low dissipation. In this article, we propose an ultralow-dissipation skyrmion-based nanodevice composed of a synthetic antiferromagnet (SAF) and a piezoelectric substrate for neuromorphic computing. Skyrmions/skyrmion bubbles can be generated in the upper layer of an SAF with a weak anisotropy energy (E a). Applying a weak electric field on the heterostructure, interlayer antiferromagnetic coupling can be manipulated, giving rise to a continuous transition between a large skyrmion bubble and a small skyrmion. This thus induces a variation of the resistance of a magnetic tunneling junction that can mimic the potentiation/depression of a synapse and the leaky-integral-and-fire function of a neuron at a cost of a very low energy consumption of 0.3 fJ. These results pave a way to ultralow power neuromorphic computing applications.
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Affiliation(s)
- Ziyang Yu
- Key Laboratory of Artificial Micro- and Nano-structures of Ministry of Education, School of Physics and Technology, Wuhan University Wuhan 430072 P. R. China
| | - Maokang Shen
- School of Optical and Electronic Information, Huazhong University of Science and Technology Wuhan 430074 P. R. China
| | - Zhongming Zeng
- Key Laboratory of Multifunctional Nanomaterials and Smart Systems, Suzhou Institute of Nano-Tech and Nano-Bionics, Chinese Academy of Sciences Suzhou Jiangsu 215123 P. R. China
| | - Shiheng Liang
- Department of Physics, Hubei University Wuhan 430062 P. R. China
| | - Yong Liu
- Key Laboratory of Artificial Micro- and Nano-structures of Ministry of Education, School of Physics and Technology, Wuhan University Wuhan 430072 P. R. China
| | - Ming Chen
- Key Laboratory of Artificial Micro- and Nano-structures of Ministry of Education, School of Physics and Technology, Wuhan University Wuhan 430072 P. R. China
| | - Zhenhua Zhang
- Key Laboratory of Artificial Micro- and Nano-structures of Ministry of Education, School of Physics and Technology, Wuhan University Wuhan 430072 P. R. China
| | - Zhihong Lu
- The State Key Laboratory of Refractories and Metallurgy, School of Materials and Metallurgy, Wuhan University of Science and Technology Wuhan 430081 P. R. China
| | - Long You
- School of Optical and Electronic Information, Huazhong University of Science and Technology Wuhan 430074 P. R. China
| | - Xiaofei Yang
- School of Optical and Electronic Information, Huazhong University of Science and Technology Wuhan 430074 P. R. China
| | - Yue Zhang
- School of Optical and Electronic Information, Huazhong University of Science and Technology Wuhan 430074 P. R. China
| | - Rui Xiong
- Key Laboratory of Artificial Micro- and Nano-structures of Ministry of Education, School of Physics and Technology, Wuhan University Wuhan 430072 P. R. China
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Lee A, You L, Harris L, Oh S, Fisher-Heffernan R, Brennan K, de Lange C, Huber L, Karrow N. Effect of algae or fish oil supplementation and porcine maternal stress on the adrenal transcriptome of male offspring fed a low-quality protein diet. Brain Behav Immun Health 2020; 4:100058. [PMID: 34589844 PMCID: PMC8474508 DOI: 10.1016/j.bbih.2020.100058] [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: 12/28/2019] [Accepted: 03/03/2020] [Indexed: 11/18/2022] Open
Abstract
Offspring adrenal function may be negatively affected in utero by maternal stressors such as microbial infection. Maternal supplementation with immunomodulatory compounds such as omega-3 polyunsaturated fatty acids (n-3 PUFA) may help minimize the adverse effects of maternal stress on fetal hypothalamic-pituitary-adrenal development and improve offspring health. Presently, n-3 PUFA sources are primarily fish-based, but n-3 PUFA microalgae (AL) may be an alternative. Previously, it was determined that maternal AL or fish oil (FO) supplementation to sows, in addition to maternal stress induced by Escherichia coli lipopolysaccharide (LPS) challenge appeared to have a greater influence on the stress response of male offspring compared to females. To further elaborate on these findings, this study assessed the effects of maternal AL or FO supplementation combined with a maternal LPS challenge on adrenal gene expression in male offspring fed a nursery diet containing low-quality protein sources. Forty-eight sows were fed gestation diets starting on gestation day (gd) 75 containing either 3.12% AL, 3.1% FO, or a control diet containing 1.89% corn oil. On gd 112, half the sows in each treatment were administered 10 μg/kg LPS i.m. Piglets were weaned at 21 days of age onto a common low-quality plant-based protein diet, and one week after weaning, four piglets per sow were administered 40 μg/kg LPS i.m. Two hours later, the piglets were euthanized to obtain adrenal tissue, and total RNA was extracted to carry out transcriptome analysis using the Affymetrix GeneChip WT Plus assay and subsequent validation by real-time PCR. Analysis revealed that adrenal steroidogenesis, fatty acid metabolism and immune function were significantly influenced by maternal diet and stress. Increased expression of immune-related genes including lymphocyte antigen 96, TLR-2 and NF-κB suggests that maternal AL supplementation may increase offspring sensitivity to inflammation after weaning. Decreased expression of lymphocyte antigen 96 in male offspring from sows receiving maternal LPS challenge also suggests a possible role of maternal stress in diminishing the offspring immune response to immune stress challenge. Increased expression of the genes encoding the 11BHSD2 enzyme in offspring from sows fed FO may also reduce the magnitude of the stress response. These data provide insight to the immune and metabolic mechanisms that may be influenced by maternal diet and stress. Expression of adrenal steroidogenesis genes were influenced by maternal treatment. Expression of lipid metabolism genes and immune function genes were enriched. Maternal algae supplementation may increase offspring sensitivity to inflammation. Maternal stress may reduce the offspring immune response to immune challenges. Maternal fish oil supplementation may reduce the offspring stress response.
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Affiliation(s)
- A.V. Lee
- Department of Animal Biosciences, University of Guelph, ON, N1G 2W1, Canada
| | - L. You
- Department of Animal Biosciences, University of Guelph, ON, N1G 2W1, Canada
| | - L.E. Harris
- Centre for Animal Nutrigenomics and Applied Animal Nutrition, Alltech Inc, Nicholasville, KY, 40356, USA
| | - S. Oh
- Department of Animal Biosciences, University of Guelph, ON, N1G 2W1, Canada
| | | | - K.M. Brennan
- Centre for Animal Nutrigenomics and Applied Animal Nutrition, Alltech Inc, Nicholasville, KY, 40356, USA
| | - C.F.M. de Lange
- Department of Animal Biosciences, University of Guelph, ON, N1G 2W1, Canada
| | - L. Huber
- Department of Animal Biosciences, University of Guelph, ON, N1G 2W1, Canada
| | - N.A. Karrow
- Department of Animal Biosciences, University of Guelph, ON, N1G 2W1, Canada
- Corresponding author.
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31
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Mankowski RT, You L, Buford TW, Leeuwenburgh C, Manini TM, Schneider S, Qiu P, Anton SD. Higher dose of resveratrol elevated cardiovascular disease risk biomarker levels in overweight older adults - A pilot study. Exp Gerontol 2019; 131:110821. [PMID: 31891746 DOI: 10.1016/j.exger.2019.110821] [Citation(s) in RCA: 29] [Impact Index Per Article: 5.8] [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: 08/07/2019] [Revised: 12/06/2019] [Accepted: 12/26/2019] [Indexed: 02/05/2023]
Abstract
Older adults are at high risk of developing cardiovascular disease (CVD). Pre-clinical studies indicate that resveratrol (RSV), a polyphenol commonly found in grapes and red wine, may help prevent development of CVD. Based on our previous reports where the 300 mg and 1000 mg doses appeared safe and improved psychomotor function in a dose-dependent manner, our hypothesis was that RSV would reduce biomarkers of CVD risk in overweight, but otherwise healthy older adults and that 1000 mg would lower CVD biomarkers >300 mg. This analysis was performed on samples from older participants (65 years and older) who were randomized to a 90 day RSV treatment with 300 mg (n = 10), 1000 mg (n = 9) or placebo (n = 10). We measured levels of CVD risk biomarkers i.e. oxidized low-density lipoprotein (oxLDL), soluble E-selectin-1 (sE-selectin), soluble Intercellular Adhesion Molecule-1 (sICAM-1), Soluble Vascular Cell Adhesion Molecule-1 (sVCAM-1), total plasminogen activator inhibitor (tPAI-1). Statistical significance was set at p < 0.05. Both sVCAM-1 and tPAI increased significantly more in the 1000 mg vs. 300 mg and placebo groups. Other biomarkers (300 mg vs. 1000 mg vs. placebo: oxLDL, sEselectin-1 and sICAM-1) followed the same trend toward higher levels in the 1000 mg group compared to the 300 mg and placebo groups, without reaching statistical significance. This pilot project suggests that a higher dose of RSV may increase the levels of CVD risk biomarkers in overweight older adults. Given no change in the CVD risk biomarkers in response to a lower dose, future studies should test the effects of different doses of RSV to evaluate potential detrimental effects of higher doses on CVD biomarkers and measures of cardiovascular function in older adults at risk for CVD.
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Affiliation(s)
- R T Mankowski
- Department of Aging and Geriatric Research, University of Florida, Gainesville, FL, USA.
| | - L You
- Department of Biostatistics, University of Florida, Gainesville, FL, USA
| | - T W Buford
- Department of Medicine, UAB School of Medicine, University of Alabama at Birmingham, Birmingham, AL, USA
| | - C Leeuwenburgh
- Department of Aging and Geriatric Research, University of Florida, Gainesville, FL, USA
| | - T M Manini
- Department of Aging and Geriatric Research, University of Florida, Gainesville, FL, USA
| | - S Schneider
- Department of Aging and Geriatric Research, University of Florida, Gainesville, FL, USA
| | - P Qiu
- Department of Biostatistics, University of Florida, Gainesville, FL, USA
| | - S D Anton
- Department of Aging and Geriatric Research, University of Florida, Gainesville, FL, USA
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32
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Wang H, Qin J, Ding X, Chen MC, Chen S, You X, He YM, Jiang X, You L, Wang Z, Schneider C, Renema JJ, Höfling S, Lu CY, Pan JW. Boson Sampling with 20 Input Photons and a 60-Mode Interferometer in a 10^{14}-Dimensional Hilbert Space. Phys Rev Lett 2019; 123:250503. [PMID: 31922765 DOI: 10.1103/physrevlett.123.250503] [Citation(s) in RCA: 80] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/31/2019] [Revised: 11/19/2019] [Indexed: 05/24/2023]
Abstract
Quantum computing experiments are moving into a new realm of increasing size and complexity, with the short-term goal of demonstrating an advantage over classical computers. Boson sampling is a promising platform for such a goal; however, the number of detected single photons is up to five so far, limiting these small-scale implementations to a proof-of-principle stage. Here, we develop solid-state sources of highly efficient, pure, and indistinguishable single photons and 3D integration of ultralow-loss optical circuits. We perform experiments with 20 pure single photons fed into a 60-mode interferometer. In the output, we detect up to 14 photons and sample over Hilbert spaces with a size up to 3.7×10^{14}, over 10 orders of magnitude larger than all previous experiments, which for the first time enters into a genuine sampling regime where it becomes impossible to exhaust all possible output combinations. The results are validated against distinguishable samplers and uniform samplers with a confidence level of 99.9%.
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Affiliation(s)
- Hui Wang
- Hefei National Laboratory for Physical Sciences at Microscale and Department of Modern Physics, University of Science and Technology of China, Hefei 230026, People's Republic of China
- Shanghai Branch, CAS Center for Excellence and Synergetic Innovation Center in Quantum Information and Quantum Physics, University of Science and Technology of China, Shanghai 201315, People's Republic of China
| | - Jian Qin
- Hefei National Laboratory for Physical Sciences at Microscale and Department of Modern Physics, University of Science and Technology of China, Hefei 230026, People's Republic of China
- Shanghai Branch, CAS Center for Excellence and Synergetic Innovation Center in Quantum Information and Quantum Physics, University of Science and Technology of China, Shanghai 201315, People's Republic of China
| | - Xing Ding
- Hefei National Laboratory for Physical Sciences at Microscale and Department of Modern Physics, University of Science and Technology of China, Hefei 230026, People's Republic of China
- Shanghai Branch, CAS Center for Excellence and Synergetic Innovation Center in Quantum Information and Quantum Physics, University of Science and Technology of China, Shanghai 201315, People's Republic of China
| | - Ming-Cheng Chen
- Hefei National Laboratory for Physical Sciences at Microscale and Department of Modern Physics, University of Science and Technology of China, Hefei 230026, People's Republic of China
- Shanghai Branch, CAS Center for Excellence and Synergetic Innovation Center in Quantum Information and Quantum Physics, University of Science and Technology of China, Shanghai 201315, People's Republic of China
| | - Si Chen
- Hefei National Laboratory for Physical Sciences at Microscale and Department of Modern Physics, University of Science and Technology of China, Hefei 230026, People's Republic of China
- Shanghai Branch, CAS Center for Excellence and Synergetic Innovation Center in Quantum Information and Quantum Physics, University of Science and Technology of China, Shanghai 201315, People's Republic of China
| | - Xiang You
- Hefei National Laboratory for Physical Sciences at Microscale and Department of Modern Physics, University of Science and Technology of China, Hefei 230026, People's Republic of China
- Shanghai Branch, CAS Center for Excellence and Synergetic Innovation Center in Quantum Information and Quantum Physics, University of Science and Technology of China, Shanghai 201315, People's Republic of China
| | - Yu-Ming He
- Hefei National Laboratory for Physical Sciences at Microscale and Department of Modern Physics, University of Science and Technology of China, Hefei 230026, People's Republic of China
- Shanghai Branch, CAS Center for Excellence and Synergetic Innovation Center in Quantum Information and Quantum Physics, University of Science and Technology of China, Shanghai 201315, People's Republic of China
| | - Xiao Jiang
- Hefei National Laboratory for Physical Sciences at Microscale and Department of Modern Physics, University of Science and Technology of China, Hefei 230026, People's Republic of China
- Shanghai Branch, CAS Center for Excellence and Synergetic Innovation Center in Quantum Information and Quantum Physics, University of Science and Technology of China, Shanghai 201315, People's Republic of China
| | - L You
- State Key Laboratory of Functional Materials for Informatics, Shanghai Institute of Microsystem and Information Technology (SIMIT), Chinese Academy of Sciences, 865 Changning Road, Shanghai 200050, China
| | - Z Wang
- State Key Laboratory of Functional Materials for Informatics, Shanghai Institute of Microsystem and Information Technology (SIMIT), Chinese Academy of Sciences, 865 Changning Road, Shanghai 200050, China
| | - C Schneider
- Technische Physik, Physikalisches Instität and Wilhelm Conrad Röntgen-Center for Complex Material Systems, Universitat Würzburg, Am Hubland, D-97074 Würzburg, Germany
| | - Jelmer J Renema
- Adaptive Quantum Optics Group, Mesa+ Institute for Nanotechnology, University of Twente, P.O. Box 217, 7500 AE Enschede, Netherlands
| | - Sven Höfling
- Hefei National Laboratory for Physical Sciences at Microscale and Department of Modern Physics, University of Science and Technology of China, Hefei 230026, People's Republic of China
- Technische Physik, Physikalisches Instität and Wilhelm Conrad Röntgen-Center for Complex Material Systems, Universitat Würzburg, Am Hubland, D-97074 Würzburg, Germany
- SUPA, School of Physics and Astronomy, University of St. Andrews, St. Andrews KY16 9SS, United Kingdom
| | - Chao-Yang Lu
- Hefei National Laboratory for Physical Sciences at Microscale and Department of Modern Physics, University of Science and Technology of China, Hefei 230026, People's Republic of China
- Shanghai Branch, CAS Center for Excellence and Synergetic Innovation Center in Quantum Information and Quantum Physics, University of Science and Technology of China, Shanghai 201315, People's Republic of China
| | - Jian-Wei Pan
- Hefei National Laboratory for Physical Sciences at Microscale and Department of Modern Physics, University of Science and Technology of China, Hefei 230026, People's Republic of China
- Shanghai Branch, CAS Center for Excellence and Synergetic Innovation Center in Quantum Information and Quantum Physics, University of Science and Technology of China, Shanghai 201315, People's Republic of China
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33
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Li X, Lü JT, Zhang J, You L, Su Y, Tsymbal EY. Spin-Dependent Transport in van der Waals Magnetic Tunnel Junctions with Fe 3GeTe 2 Electrodes. Nano Lett 2019; 19:5133-5139. [PMID: 31276417 DOI: 10.1021/acs.nanolett.9b01506] [Citation(s) in RCA: 42] [Impact Index Per Article: 8.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
van der Waals (vdW) heterostructures, stacking different two-dimensional materials, have opened up unprecedented opportunities to explore new physics and device concepts. Especially interesting are recently discovered two-dimensional magnetic vdW materials, providing new paradigms for spintronic applications. Here, using density functional theory (DFT) calculations, we investigate the spin-dependent electronic transport across vdW magnetic tunnel junctions (MTJs) composed of Fe3GeTe2 ferromagnetic electrodes and a graphene or hexagonal boron nitride (h-BN) spacer layer. For both types of junctions, we find that the junction resistance changes by thousands of percent when the magnetization of the electrodes is switched from parallel to antiparallel. Such a giant tunneling magnetoresistance (TMR) effect is driven by dissimilar electronic structure of the two spin-conducting channels in Fe3GeTe2, resulting in a mismatch between the incoming and outgoing Bloch states in the electrodes and thus suppressed transmission for an antiparallel-aligned MTJ. The vdW bonding between electrodes and a spacer layer makes this result virtually independent of the type of the spacer layer, making the predicted giant TMR effect robust with respect to strain, interface distance, and other parameters, which may vary in the experiment. We hope that our results will further stimulate experimental studies of vdW MTJs and pave the way for their applications in spintronics.
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Affiliation(s)
- Xinlu Li
- School of Physics and Wuhan National High Magnetic Field Center , Huazhong University of Science and Technology , Wuhan 430074 , China
| | - Jing-Tao Lü
- School of Physics and Wuhan National High Magnetic Field Center , Huazhong University of Science and Technology , Wuhan 430074 , China
| | - Jia Zhang
- School of Physics and Wuhan National High Magnetic Field Center , Huazhong University of Science and Technology , Wuhan 430074 , China
| | - Long You
- School of Optical and Electronic Information , Huazhong University of Science and Technology , Wuhan 430074 , China
| | - Yurong Su
- School of Optical and Electronic Information , Huazhong University of Science and Technology , Wuhan 430074 , China
| | - Evgeny Y Tsymbal
- Department of Physics and Astronomy & Nebraska Center for Materials and Nanoscience , University of Nebraska , Lincoln , Nebraska 68588 , United States
- Moscow Institute of Physics and Technology , Dolgoprudny , Moscow Region 141700 , Russia
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34
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Hong J, Luo Q, Jung D, Je SG, Kim Y, Im MY, Hwang CC, Khizroev S, Chung S, You L. Shape transformation and self-alignment of Fe-based nanoparticles. Nanoscale Adv 2019; 1:2523-2528. [PMID: 36132714 PMCID: PMC9419108 DOI: 10.1039/c9na00146h] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/07/2019] [Accepted: 05/12/2019] [Indexed: 06/16/2023]
Abstract
New types of functional material structures will emerge if the shape and properties are controlled in three-dimensional nanodevices. Possible applications of these would be nanoelectronics and medical systems. Magnetic nanoparticles (MNPs) are especially important in electronics such as magnetic storage, sensors, and spintronics. Also, in those that are used as magnetic resonance imaging contrasts, and tissue specific therapeutic agents, as well as in the labeling and sorting of cells, drug delivery, separation of biochemical products, and in other medical applications. Most of these applications require MNPs to be chemically stable, uniform in size, and controllable in terms of their magnetic properties and shape. In this paper three new functions of iron (Fe)-based nanoparticles are reported: shape transformation, oxidation prevention, and self-alignment. The shape of the Fe nanoparticles could be controlled by changing their oxidation states and properties by using a nanocarbon coating. Full field X-ray microscopy using synchrotron radiation revealed controllable magnetic properties of MNPs at the L3 edge which depended on the oxidation states. Then, inkjet printing was successfully performed to deposit a uniform layer of MNPs by the size.
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Affiliation(s)
- Jeongmin Hong
- School of Optical and Electronic Information, Huazhong University of Science and Technology Wuhan 430074 PR China
- Research and Development Division, JS Nanotechnologies LLC San Jose CA 95134 USA
| | - Qiang Luo
- School of Optical and Electronic Information, Huazhong University of Science and Technology Wuhan 430074 PR China
| | - Daesung Jung
- Pohang Accelerator Laboratory (PAL), Pohang University of Science and Technology Pohang 37673 South Korea
| | - Soong-Geun Je
- Center for X-ray Optics, Lawrence Berkeley National Laboratory Berkeley CA 94720 USA
| | - Yooseok Kim
- WONIK IPS Co. Ltd. Pyeongtaek 17709 South Korea
| | - Mi-Young Im
- Center for X-ray Optics, Lawrence Berkeley National Laboratory Berkeley CA 94720 USA
| | - Chan-Cuk Hwang
- Pohang Accelerator Laboratory (PAL), Pohang University of Science and Technology Pohang 37673 South Korea
| | - Sakhrat Khizroev
- Electrical and Computer Engineering, University of Miami Coral Gables FL 33146 USA
| | - Seungjun Chung
- Photo-Electronic Hybrids Research Center, Korea Institute of Science and Technology Seoul 02792 South Korea
| | - Long You
- School of Optical and Electronic Information, Huazhong University of Science and Technology Wuhan 430074 PR China
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35
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Anderson WB, Seager R, Baethgen W, Cane M, You L. Synchronous crop failures and climate-forced production variability. Sci Adv 2019; 5:eaaw1976. [PMID: 31281890 PMCID: PMC6609162 DOI: 10.1126/sciadv.aaw1976] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/27/2018] [Accepted: 05/24/2019] [Indexed: 05/30/2023]
Abstract
Large-scale modes of climate variability can force widespread crop yield anomalies and are therefore often presented as a risk to food security. We quantify how modes of climate variability contribute to crop production variance. We find that the El Niño Southern Oscillation (ENSO), the Indian Ocean Dipole (IOD), tropical Atlantic variability (TAV), and the North Atlantic Oscillation (NAO) together account for 18, 7, and 6% of globally aggregated maize, soybean, and wheat production variability, respectively. The lower fractions of global-scale soybean and wheat production variability result from substantial but offsetting climate-forced production anomalies. All climate modes are important in at least one region studied. In 1983, ENSO, the only mode capable of forcing globally synchronous crop failures, was responsible for the largest synchronous crop failure in the modern historical record. Our results provide the basis for monitoring, and potentially predicting, simultaneous crop failures.
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Affiliation(s)
- W. B. Anderson
- Lamont-Doherty Earth Observatory, Columbia University, Palisades, NY, USA
- International Research Institute for Climate and Society, Palisades, NY, USA
- Department of Earth and Environmental Sciences, Columbia University, Palisades, NY, USA
| | - R. Seager
- Lamont-Doherty Earth Observatory, Columbia University, Palisades, NY, USA
| | - W. Baethgen
- International Research Institute for Climate and Society, Palisades, NY, USA
| | - M. Cane
- Lamont-Doherty Earth Observatory, Columbia University, Palisades, NY, USA
| | - L. You
- International Food Policy Research Institute, Washington, DC, USA
- Macro Agriculture Research Institute and College of Economics and Management, Huazhong Agricultural University, Wuhan, Hubei, China
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36
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Hong J, Guduru R, Khizroev S, You L. One-step fabrication of size-controllable nicotine containing core-shell structures. Nanoscale Adv 2019; 1:1305-1313. [PMID: 36132601 PMCID: PMC9418420 DOI: 10.1039/c8na00335a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/09/2018] [Accepted: 02/01/2019] [Indexed: 06/15/2023]
Abstract
We report a one-step synthesis of nicotine-containing nanoparticles by using a size-controllable nanofiltration technique. Nanostructures with polydimethylsiloxane (PDMS) were prepared as a biocompatible well-type polymeric carrier containing a hydrophobic and highly viscous nicotine drug through a novel spontaneous emulsification solvent diffusion method. This approach could be used for efficient dispersion of nicotine in biological systems. Our present results, together with size controllability, pave a way to new types of functional material structures for novel transdermal pharmaceuticals that contain nicotine/cotinine in nanosized structures.
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Affiliation(s)
- Jeongmin Hong
- School of Optical and Electronic Information, Huazhong University of Science and Technology Wuhan 430074 PR China
- Research and Development Division, JS Nanotechnologies LLC San Jose California 95134 USA
| | - Rakesh Guduru
- Electrical and Computer Engineering, University of Miami Coral Gables Florida 33159 USA
| | - Sakhrat Khizroev
- Electrical and Computer Engineering, University of Miami Coral Gables Florida 33159 USA
| | - Long You
- School of Optical and Electronic Information, Huazhong University of Science and Technology Wuhan 430074 PR China
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37
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Hong J, Yang T, N'Diaye AT, Bokor J, You L. Effects of Interface Induced Natural Strains on Magnetic Properties of FeRh. Nanomaterials (Basel) 2019; 9:nano9040574. [PMID: 30970557 PMCID: PMC6523190 DOI: 10.3390/nano9040574] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/01/2019] [Revised: 03/14/2019] [Accepted: 03/27/2019] [Indexed: 11/16/2022]
Abstract
FeRh is a unique alloy which shows temperature dependent phase transition magnetic properties. The lattice parameter (a) of this CsCl-type (B2) structure is 4.1712 Å. It undergoes a first order transition from antiferromagnetic (AFM) to ferromagnetic (FM) order at around 370K and hysteretic behavior while cooling and heating. This meta-magnetic transition of FeRh is accompanied by an isotropic expansion in the unit cell volume, which indicates strong coupling between magnetic and structural properties of FeRh. Consequently, the magnetic and transport properties, such as magnetoresistance (MR), are changed during the transition. Due to its unique thermo-magnetic behaviors, FeRh is very important for future spintronic devices. The structure could be applicable for MR devices such as memory, sensors, and many other applications. It is critical to understand how to systematically influence phase transition of FeRh from naturally applied strains. Here, we investigate magnetic properties of FeRh in different strain environments induced by the substrates with different lattice parameters. The study was performed using synchrotron radiation, temperature dependent magnetometry, and magnetic scanning probe microscopy in addition to Landau theory calculations. We found that the naturally induced strains could modulate the magnetic phase locally and globally. The presence of the segments from the nucleation of the ferromagnetic domains, with a very thin layer in the antiferromagnetic matrix and the domain growth, were observed gradually. Using the systematic phenomena, it could be used for immediate applications in the future generation of phase change random access memory (PC-RAM) devices.
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Affiliation(s)
- Jeongmin Hong
- School of Optical and Electronic Information, Huazhong University of Science and Technology, Wuhan 430074, China.
| | - Tiannan Yang
- Department of Materials Science and Engineering, The Pennsylvania State University, University Park, PA 16801, USA.
| | - Alpha T N'Diaye
- Advanced Light Source, Lawrence Berkeley National Lab, Berkeley, CA 94720, USA.
| | - Jeffrey Bokor
- Electrical Engineering and Computer Sciences, University of California Berkeley, Berkeley, CA 94720, USA.
| | - Long You
- School of Optical and Electronic Information, Huazhong University of Science and Technology, Wuhan 430074, China.
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38
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Lee A, You L, Li Z, Oh S, Alcorn M, Zhu J, Fisher-Heffernan R, Regnault T, Huber L, Karrow N. PSX-6 Effect of dietary microalgae and fish oil on the nursery pig acute-phase response. J Anim Sci 2018. [DOI: 10.1093/jas/sky404.1074] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Affiliation(s)
- A Lee
- University of Guelph,Guelph, ON, Canada
| | - L You
- University of Guelph,Guelph, ON, Canada
| | - Z Li
- University of Guelph,Guelph, ON, Canada
| | - S Oh
- University of Guelph,Guelph, ON, Canada
| | - M Alcorn
- University of Guelph,Guelph, ON, Canada
| | - J Zhu
- University of Guelph,Guelph, ON, Canada
| | | | | | - L Huber
- Department of Animal Biosciences / University of Guelph,Guelph, ON, Canada
| | - N Karrow
- University of Guelph,Guelph, ON, Canada
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39
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Chen H, Song M, Guo Z, Li R, Zou Q, Luo S, Zhang S, Luo Q, Hong J, You L. Highly Secure Physically Unclonable Cryptographic Primitives Based on Interfacial Magnetic Anisotropy. Nano Lett 2018; 18:7211-7216. [PMID: 30365330 DOI: 10.1021/acs.nanolett.8b03338] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
Information security is of great importance for the approaching Internet of things (IoT) era. Physically unclonable functions (PUFs) have been intensively studied for information security. However, silicon PUFs are vulnerable to hazards such as modeling and side-channel attacks. Here we demonstrate a magnetic analogue PUF based on perpendicularly magnetized Ta/CoFeB/MgO heterostructures. The perpendicular magnetic anisotropy originates from the CoFeB/MgO interface, which is sensitive to the subnanometer variation of MgO thickness within a certain range (0.6-1.3 nm). When the MgO layer is thinned, a thickness variation resulting from ion milling nonuniformity induces unclonable random distributions of eas y-axis magnetization orientations in heterostructures. The analogue PUF can provide a much larger key size than a conventional binary-bit counterpart. Moreover, after the thinning process, the unique eas y-axis magnetization orientation in each single device was formed, which can avoid setting random states to realize low power consumption and high-density integration. This magnetic PUF is a promising innovative primitive for secret key generation and storage with high security in the IoT era.
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Affiliation(s)
- Huiming Chen
- School of Optical and Electronic Information , Huazhong University of Science and Technology , Wuhan 430074 , China
| | - Min Song
- Hubei Key Laboratory of Ferro &Piezoelectric Materials and Devices, Faculty of Physics and Electronic Science , Hubei University , Wuhan 430062 , China
| | - Zhe Guo
- School of Optical and Electronic Information , Huazhong University of Science and Technology , Wuhan 430074 , China
| | - Ruofan Li
- School of Optical and Electronic Information , Huazhong University of Science and Technology , Wuhan 430074 , China
| | - Qiming Zou
- Department of Electrical and Computer Engineering , University of Nebraska-Lincoln , Lincoln , Nebraska 68588-0511 , United States
| | - Shijiang Luo
- School of Optical and Electronic Information , Huazhong University of Science and Technology , Wuhan 430074 , China
| | - Shuai Zhang
- School of Optical and Electronic Information , Huazhong University of Science and Technology , Wuhan 430074 , China
| | - Qiang Luo
- School of Optical and Electronic Information , Huazhong University of Science and Technology , Wuhan 430074 , China
| | - Jeongmin Hong
- School of Optical and Electronic Information , Huazhong University of Science and Technology , Wuhan 430074 , China
| | - Long You
- School of Optical and Electronic Information , Huazhong University of Science and Technology , Wuhan 430074 , China
- Wuhan National Lab for Optoelectronics , Huazhong University of Science and Technology , Wuhan 430074 , China
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40
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Jin Y, You L, Kim HJ, Lee HW. Telomerase Reverse Transcriptase Contains a BH3-Like Motif and Interacts with BCL-2 Family Members. Mol Cells 2018; 41:684-694. [PMID: 29937479 PMCID: PMC6078858 DOI: 10.14348/molcells.2018.0206] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2018] [Accepted: 05/21/2018] [Indexed: 12/12/2022] Open
Abstract
Upregulation of human telomerase reverse transcriptase (hTERT) expression is an important factor in the cellular survival and cancer. Although growing evidence suggests that hTERT inhibits cellular apoptosis by telomere-independent functions, the mechanisms involved are not fully understood. Here, we show that hTERT contains a BH3-like motif, a short peptide sequence found in BCL-2 family proteins, and interacts with anti-apoptotic BCL-2 family proteins MCL-1 and BCL-xL, suggesting a functional link between hTERT and the mitochondrial pathway of apoptosis. Additionally, we propose that hTERT can be categorized into the atypical BH3-only proteins that promote cellular survival, possibly due to the non-canonical interaction between hTERT and antiapoptotic proteins. Although the detailed mechanisms underlying the hTERT BH3-like motif functions and interactions between hTERT and BCL-2 family proteins have not been elucidated, this work proposes a possible connection between hTERT and BCL-2 family members and reconsiders the role of the BH3-like motif as an interaction motif.
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Affiliation(s)
- Young Jin
- Department of Biochemistry, College of Life Science and Biotechnology, Yonsei University, Seoul 03722,
Korea
| | - Long You
- Department of Biochemistry, College of Life Science and Biotechnology, Yonsei University, Seoul 03722,
Korea
| | - Hye Jeong Kim
- Department of Biochemistry, College of Life Science and Biotechnology, Yonsei University, Seoul 03722,
Korea
| | - Han-Woong Lee
- Department of Biochemistry, College of Life Science and Biotechnology, Yonsei University, Seoul 03722,
Korea
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41
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Abstract
Magnetic skyrmion, a nanosized spin texture with topological property, has become an area of significant interest due to the scientific insight that it can provide and also its potential impact on applications such as ultra-low-energy and ultra-high-density logic gates. In the quest for the reconfiguration of single logic device and the implementation of the complete logic functions, a novel reconfigurable skyrmion logic (RSL) is proposed and verified by micromagnetic simulations. Logic functions including AND, OR, NOT, NAND, NOR, XOR, and XNOR are implemented in the ferromagnetic (FM) nanotrack by virtue of various effects including spin orbit torque, skyrmion Hall effect, skyrmion-edge repulsions, and skyrmion-skyrmion collision. Different logic functions can be selected in an RSL by applying voltage to specific region(s) of the device, changing the local anisotropy energy of FM film. Material properties and geometrical scaling studies suggest RSL gates fit for energy-efficient computing as well as provide the guidelines for the design and optimization of this new logic family.
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Affiliation(s)
- Shijiang Luo
- School of Optical and Electronic Information, Huazhong University of Science and Technology , Wuhan 430074, China
| | - Min Song
- Faculty of Physics and Electronic Engineering, Hubei University , Wuhan 430062, China
| | - Xin Li
- School of Optical and Electronic Information, Huazhong University of Science and Technology , Wuhan 430074, China
| | - Yue Zhang
- School of Optical and Electronic Information, Huazhong University of Science and Technology , Wuhan 430074, China
| | - Jeongmin Hong
- School of Optical and Electronic Information, Huazhong University of Science and Technology , Wuhan 430074, China
| | - Xiaofei Yang
- School of Optical and Electronic Information, Huazhong University of Science and Technology , Wuhan 430074, China
| | - Xuecheng Zou
- School of Optical and Electronic Information, Huazhong University of Science and Technology , Wuhan 430074, China
| | - Nuo Xu
- Department of Electrical Engineering and Computer Sciences, University of California , Berkeley, California 94720, United States
| | - Long You
- School of Optical and Electronic Information, Huazhong University of Science and Technology , Wuhan 430074, China
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42
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Zhang SS, Gao W, Cheng H, You L, Liu HP. Symmetry-Breaking Assisted Landau-Zener Transitions in Rydberg Atoms. Phys Rev Lett 2018; 120:063203. [PMID: 29481261 DOI: 10.1103/physrevlett.120.063203] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/21/2016] [Revised: 05/12/2017] [Indexed: 06/08/2023]
Abstract
We report the observation of a controlled Landau-Zener transition (LZT) in Rydberg atoms by breaking the symmetry of the underlying Hamiltonian. For a nonhydrogenic Rydberg atom inside a changing electric (F) field, a LZT occurs between the avoided crossing energy levels of neighboring Rydberg states only for a sufficiently high changing rate. If a transverse magnetic (B) field is applied as we implement, the atomic level symmetry is broken, which causes the Stark manifolds denoted by a different |m| (m is the magnetic quantum number) to interact with each other. The mixed state levels end up pushing the adiabatically repelled target states closer and additionally they serve as stepping stones for the sequential LZTs between the neighboring sublevels. Such a feature significantly decreases the changing rate required for an efficient LZT inside a pure electric field. We report experimental observations that support the above scenario. It opens a versatile approach for engineering a controlled LZT in more general systems.
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Affiliation(s)
- S S Zhang
- State Key Laboratory of Magnetic Resonance and Atomic and Molecular Physics, Wuhan Institute of Physics and Mathematics, Chinese Academy of Sciences, Wuhan 430071, People's Republic of China
- University of Chinese Academy of Sciences, Beijing 100049, People's Republic of China
| | - W Gao
- State Key Laboratory of Magnetic Resonance and Atomic and Molecular Physics, Wuhan Institute of Physics and Mathematics, Chinese Academy of Sciences, Wuhan 430071, People's Republic of China
- University of Chinese Academy of Sciences, Beijing 100049, People's Republic of China
| | - H Cheng
- State Key Laboratory of Magnetic Resonance and Atomic and Molecular Physics, Wuhan Institute of Physics and Mathematics, Chinese Academy of Sciences, Wuhan 430071, People's Republic of China
- University of Chinese Academy of Sciences, Beijing 100049, People's Republic of China
| | - L You
- State Key Laboratory of Low Dimensional Quantum Physics, Department of Physics, Tsinghua University, Beijing 100084, People's Republic of China
- Collaborative Innovation Center of Quantum Matter, Beijing 100084, China
| | - H P Liu
- State Key Laboratory of Magnetic Resonance and Atomic and Molecular Physics, Wuhan Institute of Physics and Mathematics, Chinese Academy of Sciences, Wuhan 430071, People's Republic of China
- University of Chinese Academy of Sciences, Beijing 100049, People's Republic of China
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43
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Pookpanratana S, Goetz K, Bittle E, Haneef H, You L, Hacker C, Robey S, Jurchescu O, Ovsyannikov R, Giangrisostomi E. Electronic properties and structure of single crystal perylene. Org Electron 2018; 61:10.1016/j.orgel.2018.05.035. [PMID: 30983924 PMCID: PMC6459418 DOI: 10.1016/j.orgel.2018.05.035] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
The transport properties of electronic devices made from single crystalline molecular semiconductors typically outperform those composed of thin-films of the same material. To further understand the superiority of these extrinsic device properties, an understanding of the intrinsic electronic structure and properties of the organic semiconductor is necessary. An investigation of the electronic structure and properties of single crystal α-phase perylene (C20H12), a five-ringed aromatic molecule, is presented using angle-resolved ultraviolet photoemission, x-ray photoelectron spectroscopy (XPS), and field-effect transistor measurements. Key aspects of the electronic structure of single crystal α-perylene critical to charge transport are determined, including the energetic location of the highest occupied molecular orbital (HOMO), the HOMO bandwidth, and surface work function. In addition, using high resolution XPS, we can distinguish between inequivalent carbon atoms within the perylene crystal and, from the shake-up satellite structure in XPS, gain insight into the intramolecular properties in α-perylene. From the device measurements, the charge carrier mobility of α-perylene is found to depend on the device structure and the choice of dielectric, with values in the range of 10-3 cm2 V-1 s-1.
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Affiliation(s)
- S.J. Pookpanratana
- Engineering Physics Division, National Institute of Standards and Technology (NIST), USA
| | - K.P. Goetz
- Department of Physics, Wake Forest University, USA
- Physical Chemistry Institute, Universität Heidelberg, Germany
| | - E.G. Bittle
- Engineering Physics Division, National Institute of Standards and Technology (NIST), USA
| | - H. Haneef
- Department of Physics, Wake Forest University, USA
| | - L. You
- Engineering Physics Division, National Institute of Standards and Technology (NIST), USA
- Theiss Research, USA
| | - C.A. Hacker
- Engineering Physics Division, National Institute of Standards and Technology (NIST), USA
| | - S.W. Robey
- Materials Measurement Science Division, NIST, USA
| | | | - R. Ovsyannikov
- Institute for Methods and Instrumentation for Synchrotron Radiation Research, Helmholtz-Zentrum Berlin (HZB) für Materialien und Energie, Germany
| | - E. Giangrisostomi
- Institute for Methods and Instrumentation for Synchrotron Radiation Research, Helmholtz-Zentrum Berlin (HZB) für Materialien und Energie, Germany
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44
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Zhang Y, Luo S, Yan B, Ou-Yang J, Yang X, Chen S, Zhu B, You L. Magnetic skyrmions without the skyrmion Hall effect in a magnetic nanotrack with perpendicular anisotropy. Nanoscale 2017; 9:10212-10218. [PMID: 28613338 DOI: 10.1039/c7nr01980g] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
Magnetic skyrmions have potential applications in novel information devices with excellent energy efficiency. However, the skyrmion Hall effect (SkHE) could cause skyrmions moving in a nanotrack to get annihilated at the track edge. In this work, we discovered that the SkHE is depressed by modifying the magnetic structure at the edge of a track, and thus the skyrmion can move in almost a straight line at a high speed. Unlike the inner part of a track with perpendicular magnetic anisotropy, the edge layer exhibits in-plane magnetic anisotropy, and the orientation of edge moments is opposite that at the perimeter of skyrmions nearby. As a result, an enhanced repulsive force acts on the skyrmion to oppose the Magnus force that causes the SkHE. Additionally, the Dzyaloshinskii-Moriya interaction (DMI) constant of the edge layer also matters. When there is no DMI at the edge layer, the transverse displacement of the skyrmion can be depressed effectively when the width of the edge layer is sufficiently large. However, when the inner part and the edge share the same DMI constant, non-monotonically varied transverse displacement occurs because of the Néel-wall-like structure at the edge layer.
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Affiliation(s)
- Yue Zhang
- School of Optical and Electronic Information, Huazhong University of Science and Technology, Wuhan, 430074, P.R. China.
| | - Shijiang Luo
- School of Optical and Electronic Information, Huazhong University of Science and Technology, Wuhan, 430074, P.R. China.
| | - Baiqian Yan
- School of Optical and Electronic Information, Huazhong University of Science and Technology, Wuhan, 430074, P.R. China.
| | - Jun Ou-Yang
- School of Optical and Electronic Information, Huazhong University of Science and Technology, Wuhan, 430074, P.R. China.
| | - Xiaofei Yang
- School of Optical and Electronic Information, Huazhong University of Science and Technology, Wuhan, 430074, P.R. China.
| | - Shi Chen
- School of Optical and Electronic Information, Huazhong University of Science and Technology, Wuhan, 430074, P.R. China.
| | - Benpeng Zhu
- School of Optical and Electronic Information, Huazhong University of Science and Technology, Wuhan, 430074, P.R. China.
| | - Long You
- School of Optical and Electronic Information, Huazhong University of Science and Technology, Wuhan, 430074, P.R. China.
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45
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Shen T, Wang G, You L, Zhang L, Ren H, Hu W, Qiang Q, Wang X, Ji L, Gu Z, Zhao X. Polysaccharide from wheat bran induces cytokine expression via the toll-like receptor 4-mediated p38 MAPK signaling pathway and prevents cyclophosphamide-induced immunosuppression in mice. Food Nutr Res 2017; 61:1344523. [PMID: 28747866 PMCID: PMC5510218 DOI: 10.1080/16546628.2017.1344523] [Citation(s) in RCA: 43] [Impact Index Per Article: 6.1] [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: 03/03/2017] [Accepted: 06/15/2017] [Indexed: 12/16/2022] Open
Abstract
Wheat bran-derived polysaccharides have attracted particular attention due to their immunomodulatory effects. However, the molecular mechanisms underlying their functions are poorly understood. The current study was designed to examine the effect of wheat bran polysaccharide (WBP) on RAW 264.7 cells and the underlying signaling pathways, which have not been explored. In addition, we also investigated the immuno-enhancement effects of WBP on cyclophosphamide (CTX)-induced immunosuppression in mice. WBP significantly increased the concentrations of intracellular nitric oxide (NO) and cytokines such as prostaglandin E2 (PGE2) and tumor necrosis factor-α (TNF-α) in RAW 264.7 cells. The result of RT-PCR analysis indicated that WBP also enhanced inducible nitric oxide synthase (iNOS), cyclooxygenase-2 (COX-2), and TNF-α expression. Further analyses demonstrated that WBP rapidly activated phosphorylated p38 mitogen-activated protein kinase (MAPK) and the transcriptional activities of activator protein-1 (AP-1) and nuclear factor (NF)-κB via toll-like receptor 4 (TLR4). Furthermore, in vivo experiments revealed that WBP increased the spleen and thymus indices significantly, and markedly promoted the production of the serum cytokines IL-2 and IFN-γ in CTX-induced immunosuppressed mice. Taken together, these results suggest that WBP can improve immunity by enhancing immune function, and could be explored as a potential immunomodulatory agent in functional food.
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Affiliation(s)
- Ting Shen
- Jiangsu Collaborative Innovation Center of Regional Modern Agriculture & Environmental protection/Jiangsu Key Laboratory for Eco-Agricultural Biotechnology around Hongze Lake, Huaiyin Normal University, Huaian, PR China
| | - Gongcheng Wang
- Department of Urology, Huai'an First People's Hospital, Nanjing Medical University, Huaian, PR China
| | - Long You
- Jiangsu Collaborative Innovation Center of Regional Modern Agriculture & Environmental protection/Jiangsu Key Laboratory for Eco-Agricultural Biotechnology around Hongze Lake, Huaiyin Normal University, Huaian, PR China
| | - Liang Zhang
- Jiangsu Collaborative Innovation Center of Regional Modern Agriculture & Environmental protection/Jiangsu Key Laboratory for Eco-Agricultural Biotechnology around Hongze Lake, Huaiyin Normal University, Huaian, PR China
| | - Haiwei Ren
- School of Life Science and Engineering, Lanzhou University of Technology, Lanzhou, PR China
| | - Weicheng Hu
- Jiangsu Collaborative Innovation Center of Regional Modern Agriculture & Environmental protection/Jiangsu Key Laboratory for Eco-Agricultural Biotechnology around Hongze Lake, Huaiyin Normal University, Huaian, PR China
| | - Qian Qiang
- Jiangsu Collaborative Innovation Center of Regional Modern Agriculture & Environmental protection/Jiangsu Key Laboratory for Eco-Agricultural Biotechnology around Hongze Lake, Huaiyin Normal University, Huaian, PR China
| | - Xinfeng Wang
- Jiangsu Collaborative Innovation Center of Regional Modern Agriculture & Environmental protection/Jiangsu Key Laboratory for Eco-Agricultural Biotechnology around Hongze Lake, Huaiyin Normal University, Huaian, PR China
| | - Lilian Ji
- Jiangsu Collaborative Innovation Center of Regional Modern Agriculture & Environmental protection/Jiangsu Key Laboratory for Eco-Agricultural Biotechnology around Hongze Lake, Huaiyin Normal University, Huaian, PR China
| | - Zhengzhong Gu
- Jiangsu Collaborative Innovation Center of Regional Modern Agriculture & Environmental protection/Jiangsu Key Laboratory for Eco-Agricultural Biotechnology around Hongze Lake, Huaiyin Normal University, Huaian, PR China.,Huaiyin Institute of Agricultural Science of Xuhuai Region, Huaian, PR China
| | - Xiangxiang Zhao
- Jiangsu Collaborative Innovation Center of Regional Modern Agriculture & Environmental protection/Jiangsu Key Laboratory for Eco-Agricultural Biotechnology around Hongze Lake, Huaiyin Normal University, Huaian, PR China
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46
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Middleton K, Al-Dujaili S, Mei X, Günther A, You L. Microfluidic co-culture platform for investigating osteocyte-osteoclast signalling during fluid shear stress mechanostimulation. J Biomech 2017; 59:35-42. [PMID: 28552413 DOI: 10.1016/j.jbiomech.2017.05.012] [Citation(s) in RCA: 42] [Impact Index Per Article: 6.0] [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: 11/28/2016] [Revised: 05/12/2017] [Accepted: 05/13/2017] [Indexed: 11/30/2022]
Abstract
Bone cells exist in a complex environment where they are constantly exposed to numerous dynamic biochemical and mechanical stimuli. These stimuli regulate bone cells that are involved in various bone disorders, such as osteoporosis. Knowledge of how these stimuli affect bone cells have been utilised to develop various treatments, such as pharmaceuticals, hormone therapy, and exercise. To investigate the role that bone loading has on these disorders in vitro, bone cell mechanotransduction studies are typically performed using parallel plate flow chambers (PPFC). However, these chambers do not allow for dynamic cellular interactions among different cell populations to be investigated. We present a microfluidic approach that exposes different cell populations, which are located at physiologically relevant distances within adjacent channels, to different levels of fluid shear stress, and promotes cell-cell communication between the different channels. We employed this microfluidic system to assess mechanically regulated osteocyte-osteoclast communication. Osteoclast precursors (RAW264.7 cells) responded to cytokine gradients (e.g., RANKL, OPG, PGE-2) developed by both mechanically stimulated (fOCY) and unstimulated (nOCY) osteocyte-like MLO-Y4 cells simultaneously. Specifically, we observed increased osteoclast precursor cell densities and osteoclast differentiation towards nOCY. We also used this system to show an increased mechanoresponse of osteocytes when in co-culture with osteoclasts. We envision broad applicability of the presented approach for microfluidic perfusion co-culture of multiple cell types in the presence of fluid flow stimulation, and as a tool to investigate osteocyte mechanotransduction, as well as bone metastasis extravasation. This system could also be applied to any multi-cell population cross-talk studies that are typically performed using PPFCs (e.g. endothelial cells, smooth muscle cells, and fibroblasts).
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Affiliation(s)
- K Middleton
- Institute of Biomaterials and Biomedical Engineering, University of Toronto, 164 College Street, Toronto, Ontario M5S 3G9, Canada
| | - S Al-Dujaili
- Institute of Biomaterials and Biomedical Engineering, University of Toronto, 164 College Street, Toronto, Ontario M5S 3G9, Canada
| | - X Mei
- Department of Mechanical and Industrial Engineering, University of Toronto, 5 King's College Road, Toronto, Ontario M5S 3G8, Canada
| | - A Günther
- Institute of Biomaterials and Biomedical Engineering, University of Toronto, 164 College Street, Toronto, Ontario M5S 3G9, Canada; Department of Mechanical and Industrial Engineering, University of Toronto, 5 King's College Road, Toronto, Ontario M5S 3G8, Canada
| | - L You
- Institute of Biomaterials and Biomedical Engineering, University of Toronto, 164 College Street, Toronto, Ontario M5S 3G9, Canada; Department of Mechanical and Industrial Engineering, University of Toronto, 5 King's College Road, Toronto, Ontario M5S 3G8, Canada.
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47
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Wu LN, Luo XY, Xu ZF, Ueda M, Wang R, You L. Harmonic trap resonance enhanced synthetic atomic spin-orbit coupling. Sci Rep 2017; 7:46756. [PMID: 28447670 PMCID: PMC5406833 DOI: 10.1038/srep46756] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [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: 01/11/2017] [Accepted: 03/21/2017] [Indexed: 11/09/2022] Open
Abstract
Spin-orbit coupling (SOC) plays an essential role in many exotic and interesting phenomena in condensed matter physics. In neutral-atom-based quantum simulations, synthetic SOC constitutes a key enabling element. The strength of SOC realized so far is limited by various reasons or constraints. This work reports tunable SOC synthesized with a gradient magnetic field (GMF) for atoms in a harmonic trap. Nearly ten-fold enhancement is observed when the GMF is modulated near the harmonic-trap resonance in comparison with the free-space situation. A theory is developed that well explains the experimental results. Our work offers a clear physical insight into and analytical understanding of how to tune the strength of atomic SOC synthesized with GMF using harmonic trap resonance.
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Affiliation(s)
- Ling-Na Wu
- State Key Laboratory of Low Dimensional Quantum Physics, Department of Physics, Tsinghua University, Beijing 100084, China
| | - Xin-Yu Luo
- State Key Laboratory of Low Dimensional Quantum Physics, Department of Physics, Tsinghua University, Beijing 100084, China
| | - Zhi-Fang Xu
- Department of Physics, University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-0033, Japan
- MOE Key Laboratory of Fundamental Physical Quantities Measurements, School of Physics, Huazhong University of Science and Technology, Wuhan 430074, China
| | - Masahito Ueda
- Department of Physics, University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-0033, Japan
| | - Ruquan Wang
- Institute of Physics, Chinese Academy of Sciences, Beijing 100080, Peoples Republic of China
- Collaborative Innovation Center of Quantum Matter, Beijing, China
| | - L. You
- State Key Laboratory of Low Dimensional Quantum Physics, Department of Physics, Tsinghua University, Beijing 100084, China
- Collaborative Innovation Center of Quantum Matter, Beijing, China
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48
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Karrow NA, Oh SY, Lee A, Li Z, You L, Fisher RE, de Lange CFM. 144 Pre-programming of the immune system to enhance immunological capacity of offspring. J Anim Sci 2017. [DOI: 10.2527/asasmw.2017.12.144] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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49
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Chen D, Chen Z, He Q, Clarkson JD, Serrao CR, Yadav AK, Nowakowski ME, Fan Z, You L, Gao X, Zeng D, Chen L, Borisevich AY, Salahuddin S, Liu JM, Bokor J. Interface Engineering of Domain Structures in BiFeO 3 Thin Films. Nano Lett 2017; 17:486-493. [PMID: 27935317 DOI: 10.1021/acs.nanolett.6b04512] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
A wealth of fascinating phenomena have been discovered at the BiFeO3 domain walls, examples such as domain wall conductivity, photovoltaic effects, and magnetoelectric coupling. Thus, the ability to precisely control the domain structures and accurately study their switching behaviors is critical to realize the next generation of novel devices based on domain wall functionalities. In this work, the introduction of a dielectric layer leads to the tunability of the depolarization field both in the multilayers and superlattices, which provides a novel approach to control the domain patterns of BiFeO3 films. Moreover, we are able to study the switching behavior of the first time obtained periodic 109° stripe domains with a thick bottom electrode. Besides, the precise controlling of pure 71° and 109° periodic stripe domain walls enable us to make a clear demonstration that the exchange bias in the ferromagnet/BiFeO3 system originates from 109° domain walls. Our findings provide future directions to study the room temperature electric field control of exchange bias and open a new pathway to explore the room temperature multiferroic vortices in the BiFeO3 system.
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Affiliation(s)
- Deyang Chen
- Institute for Advanced Materials and Guangdong Provincial Key Laboratory of Quantum Engineering and Quantum Materials, South China Normal University , Guangzhou 510006, China
- Department of Materials Science and Engineering, University of California, Berkeley , Berkeley, California 94720, United States
- School of Materials Science and Engineering, South China University of Technology , Guangzhou 510640, China
- Department of Physics, University of California Berkeley , Berkeley, California 94720, United States
| | - Zuhuang Chen
- Department of Materials Science and Engineering, University of California, Berkeley , Berkeley, California 94720, United States
| | - Qian He
- Materials Science and Technology Division, Oak Ridge National Laboratory , Oak Ridge, Tennessee 37831, United States
| | - James D Clarkson
- Department of Materials Science and Engineering, University of California, Berkeley , Berkeley, California 94720, United States
| | - Claudy R Serrao
- Department of Electrical Engineering and Computer Sciences, University of California Berkeley , Berkeley, California 94720, United States
| | - Ajay K Yadav
- Department of Materials Science and Engineering, University of California, Berkeley , Berkeley, California 94720, United States
| | - Mark E Nowakowski
- Department of Electrical Engineering and Computer Sciences, University of California Berkeley , Berkeley, California 94720, United States
| | - Zhen Fan
- Institute for Advanced Materials and Guangdong Provincial Key Laboratory of Quantum Engineering and Quantum Materials, South China Normal University , Guangzhou 510006, China
| | - Long You
- School of Optical and Electronic Information, Huazhong University of Science and Technology , Wuhan 430074, China
| | - Xingsen Gao
- Institute for Advanced Materials and Guangdong Provincial Key Laboratory of Quantum Engineering and Quantum Materials, South China Normal University , Guangzhou 510006, China
| | - Dechang Zeng
- School of Materials Science and Engineering, South China University of Technology , Guangzhou 510640, China
| | - Lang Chen
- Department of Physics, South University of Science and Technology of China , Shenzhen 518055, China
| | - Albina Y Borisevich
- Materials Science and Technology Division, Oak Ridge National Laboratory , Oak Ridge, Tennessee 37831, United States
| | - Sayeef Salahuddin
- Department of Electrical Engineering and Computer Sciences, University of California Berkeley , Berkeley, California 94720, United States
| | - Jun-Ming Liu
- Institute for Advanced Materials and Guangdong Provincial Key Laboratory of Quantum Engineering and Quantum Materials, South China Normal University , Guangzhou 510006, China
- Laboratory of Solid State Microstructures and Innovation Center of Advanced Microstructures, Nanjing University , Nanjing 210093, China
| | - Jeffrey Bokor
- Department of Electrical Engineering and Computer Sciences, University of California Berkeley , Berkeley, California 94720, United States
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Song X, Hu T, Liang C, Long H, Zhou L, Song W, You L, Wu ZS, Liu JW. Direct regeneration of cathode materials from spent lithium iron phosphate batteries using a solid phase sintering method. RSC Adv 2017. [DOI: 10.1039/c6ra27210j] [Citation(s) in RCA: 131] [Impact Index Per Article: 18.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022] Open
Abstract
A direct regeneration of cathode materials from spent LiFePO4 batteries using a solid phase sintering method has been proposed in this article.
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Affiliation(s)
- X. Song
- Hubei Collaborative Innovation Center for Advanced Organic Chemical Materials
- Ministry of Educational Key Laboratory for the Synthesis and Application of Organic Functional
- Molecules & College of Chemistry and Chemical Engineering
- Hubei University
- Wuhan
| | - T. Hu
- Hubei Collaborative Innovation Center for Advanced Organic Chemical Materials
- Ministry of Educational Key Laboratory for the Synthesis and Application of Organic Functional
- Molecules & College of Chemistry and Chemical Engineering
- Hubei University
- Wuhan
| | - C. Liang
- Hubei Collaborative Innovation Center for Advanced Organic Chemical Materials
- Ministry of Educational Key Laboratory for the Synthesis and Application of Organic Functional
- Molecules & College of Chemistry and Chemical Engineering
- Hubei University
- Wuhan
| | - H. L. Long
- Hubei Collaborative Innovation Center for Advanced Organic Chemical Materials
- Ministry of Educational Key Laboratory for the Synthesis and Application of Organic Functional
- Molecules & College of Chemistry and Chemical Engineering
- Hubei University
- Wuhan
| | - L. Zhou
- Hubei Collaborative Innovation Center for Advanced Organic Chemical Materials
- Ministry of Educational Key Laboratory for the Synthesis and Application of Organic Functional
- Molecules & College of Chemistry and Chemical Engineering
- Hubei University
- Wuhan
| | - W. Song
- Hubei Collaborative Innovation Center for Advanced Organic Chemical Materials
- Ministry of Educational Key Laboratory for the Synthesis and Application of Organic Functional
- Molecules & College of Chemistry and Chemical Engineering
- Hubei University
- Wuhan
| | - L. You
- Hubei Collaborative Innovation Center for Advanced Organic Chemical Materials
- Ministry of Educational Key Laboratory for the Synthesis and Application of Organic Functional
- Molecules & College of Chemistry and Chemical Engineering
- Hubei University
- Wuhan
| | - Z. S. Wu
- Hubei Collaborative Innovation Center for Advanced Organic Chemical Materials
- Ministry of Educational Key Laboratory for the Synthesis and Application of Organic Functional
- Molecules & College of Chemistry and Chemical Engineering
- Hubei University
- Wuhan
| | - J. W. Liu
- Hubei Collaborative Innovation Center for Advanced Organic Chemical Materials
- Ministry of Educational Key Laboratory for the Synthesis and Application of Organic Functional
- Molecules & College of Chemistry and Chemical Engineering
- Hubei University
- Wuhan
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