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Wang T, Xiong K, He Y, Feng B, Guo L, Gu J, Wang H, Wu X. Chronic Pancreatitis-Associated Metabolic Bone Diseases: Epidemiology, Mechanisms, and Clinical Advances. Am J Physiol Endocrinol Metab 2024. [PMID: 38656128 DOI: 10.1152/ajpendo.00113.2024] [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] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/19/2024] [Accepted: 04/17/2024] [Indexed: 04/26/2024]
Abstract
Chronic pancreatitis (CP) is a progressive inflammatory disease with an increasing global prevalence. In recent years, a strong association between CP and metabolic bone diseases (MBDs), especially osteoporosis, has been identified, attracting significant attentions in the research field. Epidemiological data suggest a rising trend in the incidence of MBDs among CP patients. Notably, recent studies have highlighted a profound interplay between CP and altered nutritional and immune profiles, offering insights into its linkage with MBDs.At molecular level, CP introduces a series of biochemical disturbances that compromise bone homeostasis. One critical observation is the disrupted metabolism of vitamin D and vitamin K, both essential micronutrients for maintaining bone integrity, in CP patients. In this review, we provide physio-pathological perspectives on the development and mechanisms of CP-related MBDs. We also outline some of the latest therapeutic strategies for treating patients with CP-associated MBDs, including stem cell transplantation, monoclonal antibodies, and probiotic therapy. In summary, CP-associated MBDs represent a rising medical challenge, involving multiple tissues and organs, complex disease mechanisms, and diverse treatment approaches. More in-depth studies are required for understanding the complex interplay between CP and MBDs to facilitate the development of more specific and effective therapeutic approaches.
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Affiliation(s)
- Tianlin Wang
- Second Affiliated Hospital of Tianjin University of Traditional Chinese Medicine, China
| | - Ke Xiong
- Tianjin University of Traditional Chinese Medicine, China
| | - Yanli He
- Second Affiliated Hospital of Tianjin University of Traditional Chinese Medicine, China
| | - Binbin Feng
- Tianjin University of Traditional Chinese Medicine, China
| | - Linbin Guo
- Tianjin University of Traditional Chinese Medicine, China
| | - Jingliang Gu
- Shanghai Municipal Hospital of Traditional Chinese Medicine, China
| | - Hong Wang
- Second Affiliated Hospital of Tianjin University of Traditional Chinese Medicine, China
| | - Xiaohao Wu
- Immunology and Rheumatology, School of Medicine, Stanford University, Palo Alto, United States
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Wang Y, Yang X, Zhang Y, Hong L, Xie Z, Jiang W, Chen L, Xiong K, Yang S, Lin M, Guo X, Li Q, Deng X, Lin Y, Cao M, Yi G, Fu M. Single-cell RNA sequencing reveals roles of unique retinal microglia types in early diabetic retinopathy. Diabetol Metab Syndr 2024; 16:49. [PMID: 38409074 PMCID: PMC10895757 DOI: 10.1186/s13098-024-01282-3] [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] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/17/2023] [Accepted: 02/02/2024] [Indexed: 02/28/2024] Open
Abstract
BACKGROUND The pathophysiological mechanisms of diabetic retinopathy (DR), a blinding disease, are intricate. DR was thought to be a microvascular disease previously. However, growing studies have indicated that the retinal microglia-induced inflammation precedes microangiopathy. The binary concept of microglial M1/M2 polarization paradigms during inflammatory activation has been debated. In this study, we confirmed microglia had the most significant changes in early DR using single-cell RNA sequencing. METHODS A total of five retinal specimens were collected from donor SD rats. Changes in various cells of the retina at the early stage of DR were analyzed using single-cell sequencing technology. RESULTS We defined three new microglial subtypes at cellular level, including two M1 types (Egr2+ M1 and Egr2- M1) and one M2 type. We also revealed the anatomical location between these subtypes, the dynamic changes of polarization phenotypes, and the possible activation sequence and mutual activation regulatory mechanism of different cells. Furthermore, we constructed an inflammatory network involving microglia, blood-derived macrophages and other retinal nonneuronal cells. The targeted study of new disease-specific microglial subtypes can shorten the time for drug screening and clinical application, which provided insight for the early control and reversal of DR. CONCLUSIONS We found that microglia show the most obvious differential expression changes in early DR and reveal the changes in microglia in a high-glucose microenvironment at the single-cell level. Our comprehensive analysis will help achieve early reversal and control the occurrence and progression of DR.
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Affiliation(s)
- Yan Wang
- Department of Ophthalmology, South China Hospital, Medical School, Shenzhen University, Shenzhen, 518116, People's Republic of China
| | - Xiongyi Yang
- The Second Clinical School, Southern Medical University, Guangzhou, Guangdong, People's Republic of China
| | - Yuxi Zhang
- State Key Laboratory of Organ Failure Research, National Clinical Research Center of Kidney Disease, Guangdong Provincial Institute of Nephrology, Nanfang Hospital, Southern Medical University, Guangzhou, People's Republic of China
| | - Libing Hong
- The Second Clinical School, Southern Medical University, Guangzhou, Guangdong, People's Republic of China
| | - Zhuohang Xie
- The Second Clinical School, Southern Medical University, Guangzhou, Guangdong, People's Republic of China
| | - Wenmin Jiang
- Department of Ophthalmology, The Second Xiangya Hospital of Central South University, Changsha, 410011, Hunan, People's Republic of China
- Hunan Clinical Research Center of Ophthalmic Disease, Changsha, 410011, Hunan, People's Republic of China
| | - Lin Chen
- Department of Anesthesiology, Shenzhen Hospital, Southern Medical University, 1333 Xinhu Road, Shenzhen, 518100, Guangdong, People's Republic of China
| | - Ke Xiong
- Department of Ophthalmology, Nanfang Hospital, Southern Medical University, Guangzhou, 510515, Guangdong, People's Republic of China
| | - Siyu Yang
- Department of Ophthalmology, The Seventh Affiliated Hospital, Sun Yat-Sen University, Shenzhen, People's Republic of China
| | - Meiping Lin
- The Second Clinical School, Southern Medical University, Guangzhou, Guangdong, People's Republic of China
| | - Xi Guo
- School of Rehabilitation Medicine, Southern Medical University, Guangzhou, Guangdong, People's Republic of China
| | - Qiumo Li
- The Second Clinical School, Southern Medical University, Guangzhou, Guangdong, People's Republic of China
| | - Xiaoqing Deng
- The Second Clinical School, Southern Medical University, Guangzhou, Guangdong, People's Republic of China
| | - Yanhui Lin
- Health Management Center, The Third Xiangya Hospital, Central South University, Changsha, 410013, Hunan, People's Republic of China
| | - Mingzhe Cao
- Department of Ophthalmology, Nanfang Hospital, Southern Medical University, Guangzhou, 510515, Guangdong, People's Republic of China.
| | - Guoguo Yi
- Department of Ophthalmology, The Sixth Affiliated Hospital, Sun Yat-Sen University, No. 26, Erheng Road, Yuancun, Tianhe, Guangzhou, Guangdong, People's Republic of China.
- Biomedical Innovation Center, The Sixth Affiliated Hospital, Sun Yat-Sen University, Guangzhou, People's Republic of China.
| | - Min Fu
- Department of Ophthalmology, Zhujiang Hospital, Southern Medical University, Guangzhou, Guangdong, People's Republic of China.
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Zheng L, Jin W, Xiong K, Zhen H, Li M, Hu Y. Nanomaterial-based biosensors for the detection of foodborne bacteria: a review. Analyst 2023; 148:5790-5804. [PMID: 37855707 DOI: 10.1039/d3an01554h] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2023]
Abstract
Ensuring food safety is a critical concern for the development and well-being of humanity, as foodborne illnesses caused by foodborne bacteria have increasingly become a major public health concern worldwide. Traditional food safety monitoring systems are expensive and time-consuming, relying heavily on specialized equipment and operations. Therefore, there is an urgent need to develop low-cost, user-friendly and highly sensitive biosensors for detecting foodborne bacteria. In recent years, the combination of nanomaterials with optical biosensors has provided a prospective future platform for the detection of foodborne bacteria. By harnessing the unique properties of nanomaterials, such as their high surface area-to-volume ratio and exceptional sensitivity, in tandem with the precision of optical biosensing techniques, a new prospect has opened up for the rapid and accurate identification of potential bacterial contaminants in food. This review focuses on recent advances and new trends of nanomaterial-based biosensors for the detection of foodborne pathogens, which mainly include noble metal nanoparticles (NMPs), metal organic frameworks (MOFs), graphene nanomaterials, quantum dot (QD) nanomaterials, upconversion fluorescent nanomaterials (UCNPs) and carbon dots (CDs). Additionally, we summarized the research progress of color indicators, nanozymes, natural enzyme vectors and fluorescent dye biosensors, focusing on the advantages and disadvantages of nanomaterial-based biosensors and their development prospects. This review provides an outlook on future technological directions and potential applications to help identify the most promising areas of development in this field.
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Affiliation(s)
- Lingyan Zheng
- Beijing Engineering and Technology Research Centre of Food Additives, Beijing Technology & Business University (BTBU), Beijing, 100048, China.
- Beijing Laboratory for Food Quality and Safety, Beijing Technology & Business University (BTBU), Beijing, 100048, China
- Beijing Innovation Centre for Food Nutrition and Human Health, Beijing Technology & Business University (BTBU), Beijing, 100048, China
| | - Wen Jin
- Beijing Engineering and Technology Research Centre of Food Additives, Beijing Technology & Business University (BTBU), Beijing, 100048, China.
- Beijing Laboratory for Food Quality and Safety, Beijing Technology & Business University (BTBU), Beijing, 100048, China
- Beijing Innovation Centre for Food Nutrition and Human Health, Beijing Technology & Business University (BTBU), Beijing, 100048, China
| | - Ke Xiong
- Beijing Engineering and Technology Research Centre of Food Additives, Beijing Technology & Business University (BTBU), Beijing, 100048, China.
- Beijing Laboratory for Food Quality and Safety, Beijing Technology & Business University (BTBU), Beijing, 100048, China
- Beijing Innovation Centre for Food Nutrition and Human Health, Beijing Technology & Business University (BTBU), Beijing, 100048, China
| | - Hongmin Zhen
- Beijing Engineering and Technology Research Centre of Food Additives, Beijing Technology & Business University (BTBU), Beijing, 100048, China.
- Beijing Laboratory for Food Quality and Safety, Beijing Technology & Business University (BTBU), Beijing, 100048, China
- Beijing Innovation Centre for Food Nutrition and Human Health, Beijing Technology & Business University (BTBU), Beijing, 100048, China
| | - Mengmeng Li
- Beijing Engineering and Technology Research Centre of Food Additives, Beijing Technology & Business University (BTBU), Beijing, 100048, China.
| | - Yumeng Hu
- Beijing Engineering and Technology Research Centre of Food Additives, Beijing Technology & Business University (BTBU), Beijing, 100048, China.
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Guo Y, Ou C, Zhang N, Liu Q, Xiong K, Yu J, Cheng H, Chen L, Ma M, Xu J, Wu J. Roflumilast attenuates neuroinflammation post retinal ischemia/reperfusion injury by regulating microglia phenotype via the Nrf2/STING/NF-κB pathway. Int Immunopharmacol 2023; 124:110952. [PMID: 37751655 DOI: 10.1016/j.intimp.2023.110952] [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: 06/23/2023] [Revised: 09/11/2023] [Accepted: 09/13/2023] [Indexed: 09/28/2023]
Abstract
PURPOSE The abnormal polarisation of microglial cells (MGs) following retinal ischemia/reperfusion (RIR) initiates neuroinflammation and progressive death of retinal ganglion cells (RGCs), causing increasingly severe and irreversible visual dysfunction. Roflumilast (Roflu) is a promising candidate for treating neuroinflammatory diseases. This study aimed to explore whether Roflu displayed a cytoprotective effect against RIR-induced neuroinflammation and to characterise the underlying signalling pathway. METHODS The effects and mechanism of Roflu against RIR injury were investigated in C57BL/6J mice and the BV2 cell line. We used quantitative real-time PCR and enzyme-linked immunosorbent assay to examine the levels of inflammatory factors. Furthermore, haematoxylin and eosin and immunofluorescence (IF) stainings were used to assess the morphology of the retina and the states of MGs and RGCs. Reactive oxygen species (ROS) levels were examined using a ROS assay kit, while whole-genome sequencing analysis was conducted to identify altered pathways and molecules. Western blotting and IF staining were used to quantify the proteins associated with the nuclear factor erythroid 2-related factor 2 (Nrf2)/stimulator of interferon gene (STING)/nuclear factor kappa beta (NF-κB) pathway. RESULTS MG polarisation includes the pro-inflammatory and neurotoxic M1 phenotype as well as the anti-inflammatory and neuroprotective M2 phenotype. Roflu significantly attenuated MG activation and contributed to a shift in the MG phenotype from M1 to M2. Moreover, Roflu decreased ROS release and increased heme oxygenase 1 and NAD(P)H quinone oxidoreductase 1 expression. In vitro and in vivo experiments validated that Roflu exerted its neuroprotective effects primarily by upregulating the Nrf2/STING/NF-κB pathway. However, these effects were abrogated when the Nrf2 expression was inhibited by pharmacological or genetic manipulation. CONCLUSIONS Roflu suppressed RIR-induced neuroinflammation by driving the shift of MG polarisation from M1 to M2 phenotype, which was mediated by the upregulation of the Nrf2/STING/NK-κB pathway.
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Affiliation(s)
- Yuyan Guo
- Department of Ophthalmology, Nanfang Hospital, Southern Medical University, Guangzhou 510515, Guangdong, China; Department of Ophthalmology, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou 510120, Guangdong, China
| | - Chunlian Ou
- Department of General Practice, Nanfang Hospital, Southern Medical University, Guangzhou 510515, Guangdong, China
| | - Naiyuan Zhang
- Department of Ophthalmology, Nanfang Hospital, Southern Medical University, Guangzhou 510515, Guangdong, China
| | - Qiong Liu
- Department of Ophthalmology, Nanfang Hospital, Southern Medical University, Guangzhou 510515, Guangdong, China
| | - Ke Xiong
- Department of Ophthalmology, Nanfang Hospital, Southern Medical University, Guangzhou 510515, Guangdong, China
| | - Jian Yu
- Department of Ophthalmology, Nanfang Hospital, Southern Medical University, Guangzhou 510515, Guangdong, China
| | - Hao Cheng
- Department of Ophthalmology, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou 510120, Guangdong, China
| | - Linjiang Chen
- Department of Ophthalmology, Nanfang Hospital, Southern Medical University, Guangzhou 510515, Guangdong, China
| | - Ming Ma
- Department of Ophthalmology, Nanfang Hospital, Southern Medical University, Guangzhou 510515, Guangdong, China
| | - Jing Xu
- Department of Ophthalmology, Nanfang Hospital, Southern Medical University, Guangzhou 510515, Guangdong, China.
| | - Jing Wu
- Huiqiao Medical Center, Nanfang Hospital, Southern Medical University, Guangzhou 510515, Guangdong, China.
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Parsons HA, Blewett T, Chu X, Sridhar S, Santos K, Xiong K, Abramson VG, Patel A, Cheng J, Brufsky A, Rhoades J, Force J, Liu R, Traina TA, Carey LA, Rimawi MF, Miller KD, Stearns V, Specht J, Falkson C, Burstein HJ, Wolff AC, Winer EP, Tayob N, Krop IE, Makrigiorgos GM, Golub TR, Mayer EL, Adalsteinsson VA. Circulating tumor DNA association with residual cancer burden after neoadjuvant chemotherapy in triple-negative breast cancer in TBCRC 030. Ann Oncol 2023; 34:899-906. [PMID: 37597579 PMCID: PMC10898256 DOI: 10.1016/j.annonc.2023.08.004] [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] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2023] [Revised: 07/20/2023] [Accepted: 08/09/2023] [Indexed: 08/21/2023] Open
Abstract
BACKGROUND We aimed to examine circulating tumor DNA (ctDNA) and its association with residual cancer burden (RCB) using an ultrasensitive assay in patients with triple-negative breast cancer (TNBC) receiving neoadjuvant chemotherapy. PATIENTS AND METHODS We identified responders (RCB 0/1) and matched non-responders (RCB 2/3) from the phase II TBCRC 030 prospective study of neoadjuvant paclitaxel versus cisplatin in TNBC. We collected plasma samples at baseline, 3 weeks and 12 weeks (end of therapy). We created personalized ctDNA assays utilizing MAESTRO mutation enrichment sequencing. We explored associations between ctDNA and RCB status and disease recurrence. RESULTS Of 139 patients, 68 had complete samples and no additional neoadjuvant chemotherapy. Twenty-two were responders and 19 of those had sufficient tissue for whole-genome sequencing. We identified an additional 19 non-responders for a matched case-control analysis of 38 patients using a MAESTRO ctDNA assay tracking 319-1000 variants (median 1000 variants) to 114 plasma samples from 3 timepoints. Overall, ctDNA positivity was 100% at baseline, 79% at week 3 and 55% at week 12. Median tumor fraction (TFx) was 3.7 × 10-4 (range 7.9 × 10-7-4.9 × 10-1). TFx decreased 285-fold from baseline to week 3 in responders and 24-fold in non-responders. Week 12 ctDNA clearance correlated with RCB: clearance was observed in 10 of 11 patients with RCB 0, 3 of 8 with RCB 1, 4 of 15 with RCB 2 and 0 of 4 with RCB 3. Among six patients with known recurrence, five had persistent ctDNA at week 12. CONCLUSIONS Neoadjuvant chemotherapy for TNBC reduced ctDNA TFx by 285-fold in responders and 24-fold in non-responders. In 58% (22/38) of patients, ctDNA TFx dropped below the detection level of a commercially available test, emphasizing the need for sensitive tests. Additional studies will determine whether ctDNA-guided approaches can improve outcomes.
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Affiliation(s)
- H A Parsons
- Medical Oncology, Dana-Farber Cancer Institute, Boston; Breast Oncology Program, Dana-Farber Brigham Cancer Center, Boston; Harvard Medical School, Boston.
| | - T Blewett
- Broad Institute of MIT and Harvard, Cambridge
| | - X Chu
- Data Science, Dana-Farber Cancer Institute, Boston
| | - S Sridhar
- Broad Institute of MIT and Harvard, Cambridge
| | - K Santos
- Medical Oncology, Dana-Farber Cancer Institute, Boston
| | - K Xiong
- Broad Institute of MIT and Harvard, Cambridge
| | | | - A Patel
- Medical Oncology, Dana-Farber Cancer Institute, Boston
| | - J Cheng
- Broad Institute of MIT and Harvard, Cambridge
| | - A Brufsky
- University of Pittsburgh School of Medicine, Pittsburgh
| | - J Rhoades
- Broad Institute of MIT and Harvard, Cambridge
| | | | - R Liu
- Broad Institute of MIT and Harvard, Cambridge
| | - T A Traina
- Memorial Sloan Kettering Cancer Center, New York
| | - L A Carey
- The University of North Carolina Lineberger Comprehensive Cancer Center, Chapel Hill
| | - M F Rimawi
- Baylor College of Medicine Dan L. Duncan Comprehensive Cancer Center, Houston
| | - K D Miller
- Indiana University Melvin and Bren Simon Comprehensive Cancer Center, Indianapolis
| | - V Stearns
- Johns Hopkins Sidney Kimmel Comprehensive Cancer Center, Baltimore
| | - J Specht
- Seattle Cancer Care Alliance, Seattle
| | - C Falkson
- The University of Alabama at Birmingham, Birmingham
| | - H J Burstein
- Medical Oncology, Dana-Farber Cancer Institute, Boston; Breast Oncology Program, Dana-Farber Brigham Cancer Center, Boston; Harvard Medical School, Boston
| | - A C Wolff
- Johns Hopkins Sidney Kimmel Comprehensive Cancer Center, Baltimore
| | - E P Winer
- Medical Oncology, Dana-Farber Cancer Institute, Boston; Breast Oncology Program, Dana-Farber Brigham Cancer Center, Boston; Harvard Medical School, Boston
| | - N Tayob
- Data Science, Dana-Farber Cancer Institute, Boston
| | - I E Krop
- Medical Oncology, Dana-Farber Cancer Institute, Boston; Breast Oncology Program, Dana-Farber Brigham Cancer Center, Boston; Harvard Medical School, Boston
| | | | - T R Golub
- Broad Institute of MIT and Harvard, Cambridge
| | - E L Mayer
- Medical Oncology, Dana-Farber Cancer Institute, Boston; Breast Oncology Program, Dana-Farber Brigham Cancer Center, Boston; Harvard Medical School, Boston.
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Zhang J, Xiong K, Huang L, Xie B, Ren D, Tang C, Feng W. Effect of Doping with Different Nb Contents on the Properties of CoCrFeNi High-Entropy Alloys. Materials (Basel) 2023; 16:6407. [PMID: 37834544 PMCID: PMC10573949 DOI: 10.3390/ma16196407] [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: 08/04/2023] [Revised: 09/17/2023] [Accepted: 09/19/2023] [Indexed: 10/15/2023]
Abstract
A series of five-element CoCrFeNi-Nbx (x = 0, 1, 3, 5, 7, and 9 wt%) high-entropy alloys were prepared using high-energy ball milling and discharge plasma sintering methods. Then, the effects of doping with Nb elements on the organization and properties of the CoCrFeNi HEAs were systematically investigated by tensile testing, hardness testing, and examining their micro-morphologies. The results show that with the addition of the Nb element, the lattice distortion of the alloy due to the large size of the Nb atoms causes the microstructure of CoCrFeNi HEAs to change from a single-phase FCC structure to a dual-phase structure of FCC and Laves. With the increase in the Nb content, the increase in the volume fraction of the hard and brittle Laves phase leads to the enhancement of the HEA's tensile strength, yield strength, and hardness, and a decrease in plasticity. The Nb5 alloy showed the most excellent comprehensive performance, with a tensile strength, yield strength, and plasticity of 879.1 MPa, 491.8 MPa, and 39.8%, respectively, and all the properties were improved compared with those of the HEAs obtained by the arc melting method. The increase in the hardness of the HEAs was nearly proportional to the increase in the volume fraction of the Laves phase, which was the direct cause of the increase in the hardness of the HEA. Therefore, since the Laves phase is the direct cause of the increase in HEA hardness, the doping of CoCrFeNi HEAs with Nb can significantly improve the properties of HEAs.
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Affiliation(s)
- Jingyu Zhang
- School of Mechanical Engineering, Chengdu University, Chengdu 610106, China; (J.Z.); (K.X.)
- Sichuan Province Engineering Technology Research Center of Powder Metallurgy, Chengdu 610106, China
| | - Ke Xiong
- School of Mechanical Engineering, Chengdu University, Chengdu 610106, China; (J.Z.); (K.X.)
- Sichuan Province Engineering Technology Research Center of Powder Metallurgy, Chengdu 610106, China
| | - Lin Huang
- School of Mechanical Engineering, Chengdu University, Chengdu 610106, China; (J.Z.); (K.X.)
- Sichuan Province Engineering Technology Research Center of Powder Metallurgy, Chengdu 610106, China
| | - Bo Xie
- Chengdu Tool Research Institute Co., Ltd., Chengdu 610100, China; (B.X.); (D.R.); (C.T.)
| | - Daping Ren
- Chengdu Tool Research Institute Co., Ltd., Chengdu 610100, China; (B.X.); (D.R.); (C.T.)
| | - Chen Tang
- Chengdu Tool Research Institute Co., Ltd., Chengdu 610100, China; (B.X.); (D.R.); (C.T.)
| | - Wei Feng
- School of Mechanical Engineering, Chengdu University, Chengdu 610106, China; (J.Z.); (K.X.)
- Sichuan Province Engineering Technology Research Center of Powder Metallurgy, Chengdu 610106, China
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Fu Y, Du X, Cui Y, Xiong K, Wang J. Nutritional intervention is promising in alleviating liver injury during tuberculosis treatment: a review. Front Nutr 2023; 10:1261148. [PMID: 37810929 PMCID: PMC10552157 DOI: 10.3389/fnut.2023.1261148] [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] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2023] [Accepted: 09/07/2023] [Indexed: 10/10/2023] Open
Abstract
Liver injury is a main adverse effect of first-line tuberculosis drugs. Current management of tuberculosis-drug-induced liver injury (TBLI) mainly relies on withdrawing tuberculosis drugs when necessary. No effective treatment exists. Various nutrients and functional food ingredients may play a protective role in TBLI. However, a comprehensive review has not been conducted to compare the effects of these nutrients and functional food ingredients. We searched Pubmed and Web of Science databases from the earliest date of the database to March 2023. All available in-vitro, animal and clinical studies that examined the effects of nutritional intervention on TBLI were included. The underlying mechanism was briefly reviewed. Folic acid, quercetin, curcumin, Lactobacillus casei, spirulina and Moringa oleifera possessed moderate evidence to have a beneficial effect on alleviating TBLI mostly based on animal studies. The evidence of other nutritional interventions on TBLI was weak. Alleviating oxidative stress and apoptosis were the leading mechanisms for the beneficial effects of nutritional intervention on TBLI. In conclusion, a few nutritional interventions are promising for alleviating TBLI including folic acid, quercetin, curcumin, L. casei, spirulina and M. oleifera, the effectiveness and safety of which need further confirmation by well-designed randomized controlled trials. The mechanisms for the protective role of these nutritional interventions on TBLI warrant further study, particularly by establishing the animal model of TBLI using the tuberculosis drugs separately.
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Affiliation(s)
- Yujin Fu
- School of Public Health, Institute of Nutrition and Health, Qingdao University, Qingdao, China
| | - Xianfa Du
- Department of Orthopedics, Affiliated Hospital of Qingdao University, Qingdao, China
| | - Yingchun Cui
- Department of Infectious Diseases, The 971 Naval Hospital, Qingdao, China
| | - Ke Xiong
- School of Public Health, Institute of Nutrition and Health, Qingdao University, Qingdao, China
| | - Jinyu Wang
- School of Public Health, Institute of Nutrition and Health, Qingdao University, Qingdao, China
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Wu L, Jin Y, Zhao X, Tang K, Zhao Y, Tong L, Yu X, Xiong K, Luo C, Zhu J, Wang F, Zeng Z, Pan D. Tumor aerobic glycolysis confers immune evasion through modulating sensitivity to T cell-mediated bystander killing via TNF-α. Cell Metab 2023; 35:1580-1596.e9. [PMID: 37506695 DOI: 10.1016/j.cmet.2023.07.001] [Citation(s) in RCA: 20] [Impact Index Per Article: 20.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/11/2022] [Revised: 05/09/2023] [Accepted: 07/02/2023] [Indexed: 07/30/2023]
Abstract
Metabolic reprogramming toward glycolysis is a hallmark of cancer malignancy. The molecular mechanisms by which the tumor glycolysis pathway promotes immune evasion remain to be elucidated. Here, by performing genome-wide CRISPR screens in murine tumor cells co-cultured with cytotoxic T cells (CTLs), we identified that deficiency of two important glycolysis enzymes, Glut1 (glucose transporter 1) and Gpi1 (glucose-6-phosphate isomerase 1), resulted in enhanced killing of tumor cells by CTLs. Mechanistically, Glut1 inactivation causes metabolic rewiring toward oxidative phosphorylation, which generates an excessive amount of reactive oxygen species (ROS). Accumulated ROS potentiate tumor cell death mediated by tumor necrosis factor alpha (TNF-α) in a caspase-8- and Fadd-dependent manner. Genetic and pharmacological inactivation of Glut1 sensitizes tumors to anti-tumor immunity and synergizes with anti-PD-1 therapy through the TNF-α pathway. The mechanistic interplay between tumor-intrinsic glycolysis and TNF-α-induced killing provides new therapeutic strategies to enhance anti-tumor immunity.
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Affiliation(s)
- Lijian Wu
- Department of Basic Medical Sciences, Tsinghua University, Beijing 100084, China
| | - Yiteng Jin
- Center for Quantitative Biology, Academy for Advanced Interdisciplinary Studies, Peking University, Beijing 100084, China
| | - Xi Zhao
- Department of Basic Medical Sciences, Tsinghua University, Beijing 100084, China
| | - Kaiyang Tang
- Department of Basic Medical Sciences, Tsinghua University, Beijing 100084, China
| | - Yaoning Zhao
- Department of Basic Medical Sciences, Tsinghua University, Beijing 100084, China
| | - Linjie Tong
- Department of Basic Medical Sciences, Tsinghua University, Beijing 100084, China
| | - Xuerong Yu
- Department of Basic Medical Sciences, Tsinghua University, Beijing 100084, China
| | - Ke Xiong
- Department of Basic Medical Sciences, Tsinghua University, Beijing 100084, China
| | - Ce Luo
- Center for Quantitative Biology, Academy for Advanced Interdisciplinary Studies, Peking University, Beijing 100084, China
| | - Jiajun Zhu
- Department of Basic Medical Sciences, Tsinghua University, Beijing 100084, China; Tsinghua-Peking Center for Life Science (CLS), Beijing 100084, China
| | - Fubing Wang
- Department of Laboratory Medicine, Zhongnan Hospital of Wuhan University, Wuhan 430071, China.
| | - Zexian Zeng
- Center for Quantitative Biology, Academy for Advanced Interdisciplinary Studies, Peking University, Beijing 100084, China; Tsinghua-Peking Center for Life Science (CLS), Beijing 100084, China.
| | - Deng Pan
- Department of Basic Medical Sciences, Tsinghua University, Beijing 100084, China; Tsinghua-Peking Center for Life Science (CLS), Beijing 100084, China.
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Huang M, Liu YY, Xiong K, Yang FW, Jin XY, Wang ZQ, Zhang JH, Zhang BL. The role and advantage of traditional Chinese medicine in the prevention and treatment of COVID-19. J Integr Med 2023; 21:407-412. [PMID: 37625946 DOI: 10.1016/j.joim.2023.08.003] [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: 12/08/2022] [Accepted: 05/04/2023] [Indexed: 08/27/2023]
Abstract
The global coronavirus disease 2019 (COVID-19) pandemic has had a massive impact on global social and economic development and human health. By combining traditional Chinese medicine (TCM) with modern medicine, the Chinese government has protected public health by supporting all phases of COVID-19 prevention and treatment, including community prevention, clinical treatment, control of disease progression, and promotion of recovery. Modern medicine focuses on viruses, while TCM focuses on differential diagnosis of patterns associated with viral infection of the body and recommends the use of TCM decoctions for differential treatment. This differential diagnosis and treatment approach, with its profoundly empirical nature and holistic view, endows TCM with an accessibility advantage and high application value for dealing with COVID-19. Here, we summarize the advantage of and evidence for TCM use in COVID-19 prevention and treatment to draw attention to the scientific value and accessibility advantage of TCM and to promote the use of TCM in response to public health emergencies. Please cite this article as: Huang M, Liu YY, Xiong K, Yang FW, Jin XY, Wang ZQ, Zhang JH, Zhang BL. The role and advantage of traditional Chinese medicine in the prevention and treatment of COVID-19. J Integr Med. 2023; 21(5): 407-412.
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Affiliation(s)
- Ming Huang
- State Key Laboratory of Component-based Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin 301617, China
| | - Yao-Yuan Liu
- Department of Cardiology, the First Teaching Hospital of Tianjin University of Traditional Chinese Medicine, National Clinical Research Center for Chinese Medicine Acupuncture and Moxibustion, Tianjin 300193, China
| | - Ke Xiong
- State Key Laboratory of Component-based Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin 301617, China
| | - Feng-Wen Yang
- State Key Laboratory of Component-based Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin 301617, China
| | - Xin-Yao Jin
- State Key Laboratory of Component-based Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin 301617, China
| | - Zhao-Qi Wang
- State Key Laboratory of Component-based Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin 301617, China
| | - Jun-Hua Zhang
- State Key Laboratory of Component-based Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin 301617, China; State Drug Administration Key Laboratory of Evidence-based Evaluation of Traditional Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin 301600, China
| | - Bo-Li Zhang
- State Key Laboratory of Component-based Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin 301617, China.
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Lin Z, Sheng D, Fang Y, Xiong K, Song Y. Experimental and Numerical Investigation of the Tensile and Failure Response of Multiple-Hole-Fiber-Reinforced Magnesium Alloy Laminates under Various Temperature Environments. Materials (Basel) 2023; 16:5573. [PMID: 37629864 PMCID: PMC10456458 DOI: 10.3390/ma16165573] [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] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/20/2023] [Revised: 08/06/2023] [Accepted: 08/08/2023] [Indexed: 08/27/2023]
Abstract
In this paper, the tensile mechanical behavior and progressive damage morphology of glass-fiber-reinforced magnesium alloy laminate for different numbers of holes in a temperature range of 25-180 °C were investigated. In addition, based on extensive tensile tests, the tensile mechanical behavior and microscopic damage morphology of porous-glass-fiber-reinforced magnesium alloy laminates at different temperatures were observed by finite element simulation and scanning electron microscopy (SEM). Finally, the numerical simulation and experimental results were in good accordance with the prediction of mechanical properties and fracture damage patterns of the laminates, the average difference between the residual strength values of the specimens at ambient temperature was 5.57%, and the stress-strain curves were in good agreement. The experimental and finite element analysis results showed that the damaged area of the bonded layer tended to expand with the increase in the number of holes, which has a lesser effect on the ultimate tensile strength. As the temperature increased, the specimens changed from obvious fiber breakage (pull-out) and the resin matrix damage mode to matrix softening damage and interfacial delamination fracture damage. As the testing temperature of the specimens increased from 25 °C to 180 °C, the tensile strength of the specimens decreased by an average of 51.59%, while the tensile strength of the specimens showed a nonlinear decreasing trend. The damage mechanism of porous-glass-fiber-reinforced magnesium alloy laminates at different temperatures is discussed in this paper, which can provide a reference for engineering applications and design.
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Affiliation(s)
- Zhongzhao Lin
- School of Civil Engineering, Southwest Forestry University, Kunming 650224, China (Y.F.)
| | - Dongfa Sheng
- School of Civil Engineering, Southwest Forestry University, Kunming 650224, China (Y.F.)
| | - Yuting Fang
- School of Civil Engineering, Southwest Forestry University, Kunming 650224, China (Y.F.)
| | - Ke Xiong
- National Supercomputing Center in Guangzhou, Sun Yat-Sen University, Guangzhou 510006, China;
| | - Yuming Song
- School of Chemistry and Chemical Engineering, Kunming University, Kunming 650214, China;
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Qi S, Xiong S, Xiong L, Li H, Liu B, Liu Y, Xiong K, Yan H, Lv K, Liu H, Hu S. Crystalline versus Amorphous: High-Performance Hafnium Phosphonate Framework for the Separation of Uranium and Transuranium Elements. Inorg Chem 2023. [PMID: 37413971 DOI: 10.1021/acs.inorgchem.3c01458] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/08/2023]
Abstract
Metal phosphonate frameworks (MPFs) consisting of tetravalent metal ions and aryl-phosphonate ligands feature a large affinity for actinides and excellent stabilities in harsh aqueous environments. However, it remains elusive how the crystallinity of MPFs influences their performance in actinide separation. To this end, we prepared a new category of porous, ultrastable MPF with different crystallinities for uranyl and transuranium separation. The results demonstrated that crystalline MPF was generally a better adsorbent for uranyl than the amorphous counterpart and ranked as the top-performing one for uranyl and plutonium in strong acidic solutions. A plausible uranyl sequestration mechanism was unveiled by using powder X-ray diffraction in tandem with vibrational spectroscopy, thermogravimetry, and elemental analysis.
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Affiliation(s)
- Songzhu Qi
- National Synchrotron Radiation Laboratory, University of Science and Technology of China, 230026 Hefei, China
| | - Shunshun Xiong
- Institute of Nuclear Physics and Chemistry (INPC), China Academy of Engineering Physics (CAEP), Mianyang, 621900 Sichuan, China
| | - Liangping Xiong
- Institute of Nuclear Physics and Chemistry (INPC), China Academy of Engineering Physics (CAEP), Mianyang, 621900 Sichuan, China
| | - Hao Li
- Institute of Nuclear Physics and Chemistry (INPC), China Academy of Engineering Physics (CAEP), Mianyang, 621900 Sichuan, China
| | - Boyu Liu
- Institute of Nuclear Physics and Chemistry (INPC), China Academy of Engineering Physics (CAEP), Mianyang, 621900 Sichuan, China
| | - Yi Liu
- Institute of Nuclear Physics and Chemistry (INPC), China Academy of Engineering Physics (CAEP), Mianyang, 621900 Sichuan, China
| | - Ke Xiong
- Institute of Nuclear Physics and Chemistry (INPC), China Academy of Engineering Physics (CAEP), Mianyang, 621900 Sichuan, China
| | - Heng Yan
- Institute of Nuclear Physics and Chemistry (INPC), China Academy of Engineering Physics (CAEP), Mianyang, 621900 Sichuan, China
| | - Kai Lv
- Institute of Nuclear Physics and Chemistry (INPC), China Academy of Engineering Physics (CAEP), Mianyang, 621900 Sichuan, China
| | - Hewen Liu
- National Synchrotron Radiation Laboratory, University of Science and Technology of China, 230026 Hefei, China
| | - Sheng Hu
- Institute of Nuclear Physics and Chemistry (INPC), China Academy of Engineering Physics (CAEP), Mianyang, 621900 Sichuan, China
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Xiong K, Bu W, Ni Y, Liu X, Zheng J, Aono T, Yang C, Hu S. Rapid monitoring of 241Am in small amount of sediment samples by combining extraction chromatography for highly efficient separation of interfering and matrix elements and ICP-MS/MS measurement. Microchem J 2023. [DOI: 10.1016/j.microc.2023.108581] [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: 03/06/2023]
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Huang J, Ma Y, Pang K, Ma X, Zheng Z, Xu D, Xiong K, Yu B, Liao L. Anisotropic Microspheres-Cryogel Composites Loaded with Magnesium l-Threonate Promote Osteogenesis, Angiogenesis, and Neurogenesis for Repairing Bone Defects. Biomacromolecules 2023. [PMID: 37326596 DOI: 10.1021/acs.biomac.3c00243] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/17/2023]
Abstract
To achieve osteogenesis, angiogenesis, and neurogenesis for repairing bone defects, we constructed an anisotropic microspheres-cryogel composite loaded with magnesium l-threonate (MgT). These composites were prepared by the photo-click reaction of norbornene-modified gelatin (GB) in the presence of MgT-loaded microspheres through the bidirectional freezing method. The composites possessed an anisotropic macroporous (around 100 μm) structure and sustained release of bioactive Mg2+, which facilitate vascular ingrowth. These composites could significantly promote osteogenic differentiation of bone marrow mesenchymal stem cells, tubular formation of human umbilical vein vessel endothelial cells, and neuronal differentiation in vitro. Additionally, these composites significantly promoted early vascularization and neurogenesis as well as bone regeneration in the rat femoral condyle defects. In conclusion, owing to the anisotropic macroporous microstructure and bioactive MgT, these composites could simultaneously promote bone, blood vessel, and nerve regeneration, showing great potential for bone tissue engineering.
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Affiliation(s)
- Junhai Huang
- Biomaterials Research Center, School of Biomedical Engineering, Southern Medical University, Guangzhou 510515, Guangdong, China
| | - Yuan Ma
- Division of Orthopaedic Surgery, Department of Orthopaedics, Nanfang Hospital, Southern Medical University, Guangzhou 510515, Guangdong, China
- Guangdong Provincial Key Laboratory of Bone and Cartilage Regenerative Medicine, Nanfang Hospital, Southern Medical University, Guangzhou 510515, Guangdong, China
| | - Kaiteng Pang
- Biomaterials Research Center, School of Biomedical Engineering, Southern Medical University, Guangzhou 510515, Guangdong, China
| | - Xiaochen Ma
- Biomaterials Research Center, School of Biomedical Engineering, Southern Medical University, Guangzhou 510515, Guangdong, China
| | - Zhiyu Zheng
- Biomaterials Research Center, School of Biomedical Engineering, Southern Medical University, Guangzhou 510515, Guangdong, China
| | - Daorong Xu
- Division of Orthopaedic Surgery, Department of Orthopaedics, Nanfang Hospital, Southern Medical University, Guangzhou 510515, Guangdong, China
- Guangdong Provincial Key Laboratory of Bone and Cartilage Regenerative Medicine, Nanfang Hospital, Southern Medical University, Guangzhou 510515, Guangdong, China
| | - Ke Xiong
- Department of Ophthalmology, Nanfang Hospital, Southern Medical University, Guangzhou 510515, Guangdong, China
| | - Bin Yu
- Division of Orthopaedic Surgery, Department of Orthopaedics, Nanfang Hospital, Southern Medical University, Guangzhou 510515, Guangdong, China
- Guangdong Provincial Key Laboratory of Bone and Cartilage Regenerative Medicine, Nanfang Hospital, Southern Medical University, Guangzhou 510515, Guangdong, China
| | - Liqiong Liao
- Biomaterials Research Center, School of Biomedical Engineering, Southern Medical University, Guangzhou 510515, Guangdong, China
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Wang X, Li R, Chen J, Han D, Wang M, Xiong H, Ding W, Zheng Y, Xiong K, Zeng Y. Choroidal vascularity index (CVI)-Net-based automatic assessment of diabetic retinopathy severity using CVI in optical coherence tomography images. J Biophotonics 2023; 16:e202200370. [PMID: 36633529 DOI: 10.1002/jbio.202200370] [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] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/05/2022] [Revised: 01/02/2023] [Accepted: 01/09/2023] [Indexed: 06/07/2023]
Abstract
A deep learning model called choroidal vascularity index (CVI)-Net is proposed to automatically segment the choroid layer and its vessels in overall optical coherence tomography (OCT) scans. Clinical parameters are then automatically quantified to determine structural and vascular changes in the choroid with the progression of diabetic retinopathy (DR) severity. The study includes 65 eyes consisting of 34 with proliferative DR (PDR), 17 with nonproliferative DR (NPDR), and 14 healthy controls from two OCT systems. On a dataset of 396 OCT B-scan images with manually annotated ground truths, overall Dice coefficients of 96.6 ± 1.5 and 89.1 ± 3.1 are obtained by CVI-Net for the choroid layer and vessel segmentation, respectively. The mean CVI values among the normal, NPDR, and PDR groups are consistent with reported outcomes. Statistical results indicate that CVI shows a significant negative correlation with DR severity level, and this correlation is independent of changes in other physiological parameters.
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Affiliation(s)
- Xuehua Wang
- Guangdong-Hong Kong-Macao Joint Laboratory for Intelligent Micro-Nano Optoelectronic, School of Physics and Optoelectronic Engineering, Foshan University, Foshan, China
| | - Rui Li
- Guangdong-Hong Kong-Macao Joint Laboratory for Intelligent Micro-Nano Optoelectronic, School of Physics and Optoelectronic Engineering, Foshan University, Foshan, China
| | - Junyan Chen
- Guangdong-Hong Kong-Macao Joint Laboratory for Intelligent Micro-Nano Optoelectronic, School of Physics and Optoelectronic Engineering, Foshan University, Foshan, China
| | - Dingan Han
- Guangdong-Hong Kong-Macao Joint Laboratory for Intelligent Micro-Nano Optoelectronic, School of Physics and Optoelectronic Engineering, Foshan University, Foshan, China
| | - Mingyi Wang
- Guangdong-Hong Kong-Macao Joint Laboratory for Intelligent Micro-Nano Optoelectronic, School of Physics and Optoelectronic Engineering, Foshan University, Foshan, China
| | - Honglian Xiong
- Guangdong-Hong Kong-Macao Joint Laboratory for Intelligent Micro-Nano Optoelectronic, School of Physics and Optoelectronic Engineering, Foshan University, Foshan, China
| | - Wenzheng Ding
- Guangdong-Hong Kong-Macao Joint Laboratory for Intelligent Micro-Nano Optoelectronic, School of Physics and Optoelectronic Engineering, Foshan University, Foshan, China
| | - Yixu Zheng
- Department of Ophthalmology, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong, China
| | - Ke Xiong
- Department of Ophthalmology, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong, China
| | - Yaguang Zeng
- Guangdong-Hong Kong-Macao Joint Laboratory for Intelligent Micro-Nano Optoelectronic, School of Physics and Optoelectronic Engineering, Foshan University, Foshan, China
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Ni Y, Bu W, Xiong K, Hu S, Yang C, Cao L. A novel strategy for Pu determination in water samples by automated separation in combination with direct ICP-MS/MS measurement. Talanta 2023; 262:124710. [PMID: 37244244 DOI: 10.1016/j.talanta.2023.124710] [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: 03/04/2023] [Revised: 05/11/2023] [Accepted: 05/22/2023] [Indexed: 05/29/2023]
Abstract
Methods for Pu determination in water samples has been longtime studied but they generally involved tedious manual operations. In this context, we proposed a novel strategy for accurate determination of ultra-trace Pu in water samples by the combination of fully automated separation with direct ICP-MS/MS measurement. A recently commercialized extraction resin TK200 was used for single-column separation due to its distinctive nature. Acidified waters up to 1 L were directly loaded to the resin at high flow rate (15 mL min-1) with omitting the frequently used co-precipitation process. Small volumes of dilute HNO3 were used for column washing, and Pu was efficiently eluted within only 2 mL 0.5 mol L-1 HCl-0.1 mol L-1 HF with a stable recovery (65%). This separation procedure was fully automated under the control of user program, meanwhile the final eluent was compatible for direct ICP-MS/MS measurement without extra sample treatment. In that way, both the labor intensity and reagent consumption were minimized compared with existing methods. With the high decontamination (104 to 105) of U in the chemical separation and the further elimination of uranium hydrides under oxygen reaction model during ICP-MS/MS measurement, the overall interference yields of UH+/U+ and UH2+/U+ were down to 10-15. The limits of detection (LODs) of this method reached 0.32 μBq L-1 for 239Pu and 2.00 μBq L-1 for 240Pu, which were much lower than those stipulated in the general guidelines for drinking water standards, suggesting this method was promising in routine or emergency radiation monitoring. Furthermore, the established method was successfully applied in a pilot study to determine global fallout derived Pu in surface glacier samples with extremely low concentrations of 239+240Pu, which suggested the method would also be feasible in glacial chronology studies in the future.
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Affiliation(s)
- Youyi Ni
- Institute of Nuclear Physics and Chemistry, China Academy of Engineering Physics, Mianyang, 621999, China.
| | - Wenting Bu
- Institute of Nuclear Physics and Chemistry, China Academy of Engineering Physics, Mianyang, 621999, China
| | - Ke Xiong
- Institute of Nuclear Physics and Chemistry, China Academy of Engineering Physics, Mianyang, 621999, China
| | - Sheng Hu
- Institute of Nuclear Physics and Chemistry, China Academy of Engineering Physics, Mianyang, 621999, China
| | - Chuting Yang
- Institute of Nuclear Physics and Chemistry, China Academy of Engineering Physics, Mianyang, 621999, China
| | - Liguo Cao
- School of Geography and Tourism, Shanxi Normal University, Xi'an, 710119, China
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Jiang A, Zhang F, Kurbana M, Xiong K. Normal palpebral anthropometric measurements in Uygur population: A cross-sectional study. J PAK MED ASSOC 2023; 73:796-799. [PMID: 37051986 DOI: 10.47391/jpma.6185] [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] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/14/2023]
Abstract
OBJECTIVE To provide a normative palpebral database for the Uygur subjects to determine norms that may contribute to the diagnosis and prognosis of eyelid diseases. Methods The cross-sectional study was conducted from March to May 2021 at the First People's Hospital of Kashi, China, and comprised Uygur subjects of either gender aged 18-70 years. The slant, height and width of the palpebral fissure, vertical brow-upper lid distance, intercanthal distance, pupillary distance, brow height, crease height and levator function were measured. Data was analysed using SPSS 22. RESULTS Of the 335 subjects having mean age 41.41±14.53 years, 165(49.3%) were males with mean age 41.08±14.23 years and 170(50.7%) were females with mean age 41.74±14.85 years. There were 107(31.9%) subjects aged 18-30 years, 115(34.3%) aged 31-50 years and 113(33.7%) aged 51-70 years. Mean palpebral fissure width and margin reflex distance of the palpebrae were significantly different in terms of gender (p<0.05). Age was also a significant factor on several counts (p<0.05). Conclusion Anthropometric measurements of eyelid in Uygur subjects indicated certain peculiarities.
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Affiliation(s)
- Aixin Jiang
- Eye Center, First People's Hospital of Kashi, China
| | - Fan Zhang
- State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-sen University, China
| | | | - Ke Xiong
- Department of Ophthalmology, Nanfang Hospital, Southern Medical University, China
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Zhang Z, Li S, Ge Y, Xiong G, Zhang Y, Xiong K. PBQ-Enhanced QUIC: QUIC with Deep Reinforcement Learning Congestion Control Mechanism. Entropy (Basel) 2023; 25:294. [PMID: 36832660 PMCID: PMC9955954 DOI: 10.3390/e25020294] [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] [Figures] [Subscribe] [Scholar Register] [Received: 12/19/2022] [Revised: 01/23/2023] [Accepted: 02/02/2023] [Indexed: 06/18/2023]
Abstract
Currently, the most widely used protocol for the transportation layer of computer networks for reliable transportation is the Transmission Control Protocol (TCP). However, TCP has some problems such as high handshake delay, head-of-line (HOL) blocking, and so on. To solve these problems, Google proposed the Quick User Datagram Protocol Internet Connection (QUIC) protocol, which supports 0-1 round-trip time (RTT) handshake, a congestion control algorithm configuration in user mode. So far, the QUIC protocol has been integrated with traditional congestion control algorithms, which are not efficient in numerous scenarios. To solve this problem, we propose an efficient congestion control mechanism on the basis of deep reinforcement learning (DRL), i.e., proximal bandwidth-delay quick optimization (PBQ) for QUIC, which combines traditional bottleneck bandwidth and round-trip propagation time (BBR) with proximal policy optimization (PPO). In PBQ, the PPO agent outputs the congestion window (CWnd) and improves itself according to network state, and the BBR specifies the pacing rate of the client. Then, we apply the presented PBQ to QUIC and form a new version of QUIC, i.e., PBQ-enhanced QUIC. The experimental results show that the proposed PBQ-enhanced QUIC achieves much better performance in both throughput and RTT than existing popular versions of QUIC, such as QUIC with Cubic and QUIC with BBR.
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Affiliation(s)
- Zhifei Zhang
- Engineering Research Center of Network Management Technology for High Speed Railway of Ministry of Education, School of Computer and Information Technology, Beijing Jiaotong University, Beijing 100044, China
- Collaborative Innovation Center of Railway Traffic Safety, Beijing Jiaotong University, Beijing 100044, China
- National Engineering Research Center of Advanced Network Technologies, Beijing Jiaotong University, Beijing 100044, China
| | - Shuo Li
- Engineering Research Center of Network Management Technology for High Speed Railway of Ministry of Education, School of Computer and Information Technology, Beijing Jiaotong University, Beijing 100044, China
- Collaborative Innovation Center of Railway Traffic Safety, Beijing Jiaotong University, Beijing 100044, China
- National Engineering Research Center of Advanced Network Technologies, Beijing Jiaotong University, Beijing 100044, China
| | - Yiyang Ge
- Engineering Research Center of Network Management Technology for High Speed Railway of Ministry of Education, School of Computer and Information Technology, Beijing Jiaotong University, Beijing 100044, China
- Collaborative Innovation Center of Railway Traffic Safety, Beijing Jiaotong University, Beijing 100044, China
- National Engineering Research Center of Advanced Network Technologies, Beijing Jiaotong University, Beijing 100044, China
| | - Ge Xiong
- Collaborative Innovation Center of Railway Traffic Safety, Beijing Jiaotong University, Beijing 100044, China
- China Software and Technical Service Co., Ltd., Beijing 100081, China
| | - Yu Zhang
- Institute of Economics and Energy Supply and Demand, State Grid Energy Research Institute Co., Ltd., Beijing 102209, China
| | - Ke Xiong
- Engineering Research Center of Network Management Technology for High Speed Railway of Ministry of Education, School of Computer and Information Technology, Beijing Jiaotong University, Beijing 100044, China
- Collaborative Innovation Center of Railway Traffic Safety, Beijing Jiaotong University, Beijing 100044, China
- National Engineering Research Center of Advanced Network Technologies, Beijing Jiaotong University, Beijing 100044, China
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Jiang L, Gai X, Ni Y, Qiang T, Zhang Y, Kang X, Xiong K, Wang J. Folic acid protects against tuberculosis-drug-induced liver injury in rats and its potential mechanism by metabolomics. J Nutr Biochem 2023; 112:109214. [PMID: 36370928 DOI: 10.1016/j.jnutbio.2022.109214] [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: 03/03/2022] [Revised: 10/20/2022] [Accepted: 11/03/2022] [Indexed: 11/11/2022]
Abstract
Observational study indicated that folic acid (FA) supplementation may protect against tuberculosis-drug-induced liver injury (TBLI). The aim is to investigate the effect and mechanism of FA on TBLI in rats. Liver injury was induced by a daily gavage of isoniazid (INH) and rifampicin (RIF) in the model and FA groups. Rats in the FA group were also treated with 2.5 mg/kg body weight FA. Rats in the control group were not treated. Eight rats were used in each group. The severity of liver injury was measured by the serum levels of hepatic enzymes and histological score. The metabolites in serum and liver tissues were analyzed by HPLC-Q-TOF-MS/MS. FA treatment significantly reduced alanine aminotransferase and liver necrosis. Seventy-nine differential metabolites in the serum and liver tissues were identified among the three groups. N-acylethanolamines, INH and RIF metabolites, phosphatidylcholines, lysophosphatidylcholines, monoglycerides, diglycerides and bile acids were regulated by FA treatment, involving key metabolic pathways, such as N-acylethanolamine metabolism, INH and RIF metabolism, liver regeneration, inflammation alleviation and bile acid metabolism. RT-PCR and western blotting results confirmed the altered N-acylethanolamine metabolism and improved drug metabolism by FA. In conclusion, FA was protective against TBLI, which may be related to the regulation of N-acylethanolamine metabolism and drug detoxification by FA.
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Affiliation(s)
- Lan Jiang
- Institute of Nutrition and Health, School of Public Health, Qingdao University, Qingdao, Shandong, China
| | - Xiaochun Gai
- Institute of Nutrition and Health, School of Public Health, Qingdao University, Qingdao, Shandong, China; School of Public Health, University of Michigan, Ann Arbor, Michigan, United States
| | - Ya Ni
- Institute of Nutrition and Health, School of Public Health, Qingdao University, Qingdao, Shandong, China
| | - Ting Qiang
- Institute of Nutrition and Health, School of Public Health, Qingdao University, Qingdao, Shandong, China
| | - Yingying Zhang
- Institute of Nutrition and Health, School of Public Health, Qingdao University, Qingdao, Shandong, China
| | - Xiao Kang
- Institute of Nutrition and Health, School of Public Health, Qingdao University, Qingdao, Shandong, China
| | - Ke Xiong
- Institute of Nutrition and Health, School of Public Health, Qingdao University, Qingdao, Shandong, China.
| | - Jinyu Wang
- Institute of Nutrition and Health, School of Public Health, Qingdao University, Qingdao, Shandong, China.
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Zhen H, Liu J, Xiong K, Zheng L, Hu Y, Li M, Jin W. Engineering a carboxypeptidase from Aspergillus oryzae M30011 to improve the terminal-specific enzymatic hydrolysis of aromatic amino acids. Process Biochem 2023. [DOI: 10.1016/j.procbio.2023.01.001] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
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Zhao H, Chen Y, Zheng Y, Xu J, Zhang C, Fu M, Xiong K. Conjunctival sac microbiome in anophthalmic patients: Flora diversity and the impact of ocular prosthesis materials. Front Cell Infect Microbiol 2023; 13:1117673. [PMID: 36960044 PMCID: PMC10027910 DOI: 10.3389/fcimb.2023.1117673] [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] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2022] [Accepted: 02/09/2023] [Indexed: 03/09/2023] Open
Abstract
Purpose To explore the changes of bacterial flora in anophthalmic patients wearing ocular prosthesis (OP) and the microbiome diversity in conditions of different OP materials. Methods A cross-sectional clinical study was conducted, involving 19 OP patients and 23 healthy subjects. Samples were collected from the upper, lower palpebral, caruncle, and fornix conjunctiva. 16S rRNA sequencing was applied to identify the bacterial flora in the samples. The eye comfort of each OP patient was determined by a questionnaire. In addition, demographics information of each participant was also collected. Results The diversity and richness of ocular flora in OP patients were significantly higher than that in healthy subjects. The results of flora species analysis also indicated that in OP patients, pathogenic microorganisms such as Escherichia Shigella and Fusobacterium increased significantly, while the resident flora of Lactobacillus and Lactococcus decreased significantly. Within the self-comparison of OP patients, compared with Polymethyl Methacrylate (PMMA), prosthetic material of glass will lead to the increased colonization of opportunistic pathogens such as Alcaligenes, Dermabacter and Spirochaetes, while gender and age have no significant impact on ocular flora. Conclusions The ocular flora of OP patients was significantly different from that of healthy people. Abundant colonization of pathogenic microorganisms may have an important potential relationship with eye discomfort and eye diseases of OP patients. PMMA, as an artificial eye material, demonstrated potential advantages in reducing the colonization of opportunistic pathogens.
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Affiliation(s)
- Hejia Zhao
- Department of Ophthalmology, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong, China
- School of Public Health, Southern Medical University, Guangzhou, Guangdong, China
| | - Yanjun Chen
- Department of Ophthalmology, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong, China
| | - Yixu Zheng
- Department of Ophthalmology, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong, China
| | - Jing Xu
- Department of Ophthalmology, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong, China
| | - Chenyu Zhang
- Department of Ophthalmology, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong, China
- School of Public Health, Southern Medical University, Guangzhou, Guangdong, China
| | - Min Fu
- Department of Ophthalmology, Zhujiang Hospital, Southern Medical University, Guangzhou, Guangdong, China
- *Correspondence: Ke Xiong, ; Min Fu,
| | - Ke Xiong
- Department of Ophthalmology, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong, China
- *Correspondence: Ke Xiong, ; Min Fu,
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21
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Xiong K, Xu C, Shou X, Dong M. Relation of Red Cell Distribution Width to Glucose Metabolism and Adverse Long-Term Prognosis in Patients with Acute Coronary Syndrome. Diabetes Metab Syndr Obes 2023; 16:61-70. [PMID: 36760586 PMCID: PMC9843474 DOI: 10.2147/dmso.s395923] [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] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/02/2022] [Accepted: 12/31/2022] [Indexed: 01/18/2023] Open
Abstract
INTRODUCTION Red cell distribution width (RDW) reflects the heterogeneity of red blood cell size. However, few studies examined whether RDW is related to glucose metabolism indices, such as fasting blood glucose (FBG) and hemoglobin A1c (HbA1c), diabetic mellitus (DM) state or long-term outcomes of acute coronary syndrome (ACS) patients. METHODS AND RESULTS A total of 448 consecutive patients with ACS were enrolled in this study. All patients were followed up for major cardiovascular adverse events (MACEs), and the mean follow-up was 952 days. Linear regression analysis showed that RDW inversely correlated with FBG but not HbA1c or DM. Kaplan-Meier survival curve analysis demonstrated that higher RDW levels were significantly positively associated with MACEs in the whole study population and the ACS patients with high FBG but not the low FBG group. Cox multivariate regression analysis revealed the independent function of RDW on MACEs in all ACS patients and ACS patients with high FBG. The receiver operating characteristic (ROC) curve demonstrated the optimal cutoff value of RDW for MACEs. CONCLUSION We first reported that higher RDW was associated with decreased FBG but not HbA1c or DM and an increased risk of MACEs in patients with ACS. This relationship was also found in ACS patients with higher FBG levels but not in ACS patients with lower FBG.
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Affiliation(s)
- Ke Xiong
- Department of Cardiovascular Medicine, Shaanxi Provincial People’s Hospital, Xi’an, 710068, People’s Republic of China
| | - Chenbo Xu
- Department of Cardiovascular Medicine, First Affiliated Hospital of Medical College, Xi’an Jiaotong University, Xi’an, 710061, People’s Republic of China
| | - Xiling Shou
- Department of Cardiovascular Medicine, Shaanxi Provincial People’s Hospital, Xi’an, 710068, People’s Republic of China
| | - Mengya Dong
- Department of Cardiovascular Medicine, Shaanxi Provincial People’s Hospital, Xi’an, 710068, People’s Republic of China
- Correspondence: Mengya Dong, Department of Cardiovascular Medicine, Shaanxi Provincial People’s Hospital, 256 West Youyi Road, Xi’an, Shaanxi, 710068, People’s Republic of China, Tel +86–15802943974, Email
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22
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Zheng YX, Wang KX, Chen SJ, Liao MX, Chen YP, Guan DG, Wu J, Xiong K. Decoding the Key Functional Combined Components Group and Uncovering the Molecular Mechanism of Longdan Xiegan Decoction in Treating Uveitis. Drug Des Devel Ther 2022; 16:3991-4011. [PMID: 36420429 PMCID: PMC9677932 DOI: 10.2147/dddt.s385136] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2022] [Accepted: 11/09/2022] [Indexed: 11/18/2022] Open
Abstract
Objective Longdan Xiegan Decoction (LXD) is a famous herbal formula in China. It has been proved that LXD has been shown to have a significant inhibitory effect on suppresses the inflammatory cells associated with uveitis. However, the key functional combination of component groups and their possible mechanisms remain unclear. Methods The community detecting model of the network, the functional response space, and reverse prediction model were utilized to decode the key components group (KCG) and possible mechanism of LXD in treating uveitis. Finally, MTT assay, NO assay and ELISA assay were applied to verify the effectiveness of KCG and the accuracy of our strategy. Results In the components-targets-pathogenic genes-disease (CTP) network, a combination of Huffman coding and random walk algorithm was used and eight foundational acting communities (FACs) were discovered with important functional significance. Verification has shown that FACs can represent the corresponding C-T network for treating uveitis. A novel node importance calculation method was designed to construct the functional response space and pick out 349 effective proteins. A total of 54 components were screened and defined as KCG. The pathway enrichment results showed that KCG and their targets enriched signal pathways of IL-17, Toll-like receptor, and T cell receptor played an important role in the pathogenesis of uveitis. Furthermore, experimental verification results showed that important KCG quercetin and sitosterol markedly inhibited the production of nitric oxide and significantly regulated the level of TNF-α and IFN-γ in Lipopolysaccharide-induced RAW264.7 cells. Discussion In this research, we decoded the potential mechanism of the multi-components-genes-pathways of LXD’s pharmacological action mode against uveitis based on an integrated pharmacology approach. The results provided a new perspective for the future studies of the anti-uveitis mechanism of traditional Chinese medicine.
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Affiliation(s)
- Yi-Xu Zheng
- Department of Ophthalmology, Nanfang Hospital, Southern Medical University, Guangzhou, People’s Republic of China
| | - Ke-Xin Wang
- Neurosurgery Center, Guangdong Provincial Key Laboratory on Brain Function Repair and Regeneration, Department of Cerebrovascular Surgery, Engineering Technology Research Center of Education Ministry of China on Diagnosis and Treatment of Cerebrovascular Disease, Zhujiang Hospital, Southern Medical University, Guangzhou, People’s Republic of China
- Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Southern Medical University, Guangzhou, People’s Republic of China
- Guangdong Province Key Laboratory of Single Cell Technology and Application, Southern Medical University, Guangzhou, People’s Republic of China
| | - Si-Jin Chen
- Department of Medical Imaging Center, Nanfang Hospital, Southern Medical University, Guangzhou, People’s Republic of China
| | - Mu-Xi Liao
- The First Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, 510405, People’s Republic of China
| | - Yu-Peng Chen
- Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Southern Medical University, Guangzhou, People’s Republic of China
- Guangdong Province Key Laboratory of Single Cell Technology and Application, Southern Medical University, Guangzhou, People’s Republic of China
| | - Dao-Gang Guan
- Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Southern Medical University, Guangzhou, People’s Republic of China
- Guangdong Province Key Laboratory of Single Cell Technology and Application, Southern Medical University, Guangzhou, People’s Republic of China
| | - Jing Wu
- Huiqiao Medical Center, Nanfang Hospital, Southern Medical University, Guangzhou, People’s Republic of China
- Correspondence: Jing Wu; Ke Xiong, Email ;
| | - Ke Xiong
- Department of Ophthalmology, Nanfang Hospital, Southern Medical University, Guangzhou, People’s Republic of China
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Han D, Zulewska J, Xiong K, Yang Z. Synergy between oligosaccharides and probiotics: From metabolic properties to beneficial effects. Crit Rev Food Sci Nutr 2022; 64:4078-4100. [PMID: 36315042 DOI: 10.1080/10408398.2022.2139218] [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] [Indexed: 11/03/2022]
Abstract
Synbiotic is defined as the dietary mixture that comprises both probiotic microorganisms and prebiotic substrates. The concept has been steadily gaining attention owing to the rising recognition of probiotic, prebiotics, and gut health. Among prebiotic substances, oligosaccharides demonstrated considerable health beneficial effects in varieties of food products and their combination with probiotics have been subjected to full range of evaluations. This review delineated the landscape of studies using microbial cultures, cell lines, animal model, and human subjects to explore the functional properties and host impacts of these combinations. Overall, the results suggested that these combinations possess respective metabolic properties that could facilitate beneficial activities therefore could be employed as dietary interventions for human health improvement and therapeutic purposes. However, uncertainties, such as applicational practicalities, underutilized analytical tools, contradictory results in studies, unclear mechanisms, and legislation hurdles, still challenges the broad utilization of these combinations. Future studies to address these issues may not only advance current knowledge on probiotic-prebiotic-host interrelationship but also promote respective applications in food and nutrition.
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Affiliation(s)
- Dong Han
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, Beijing Engineering and Technology Research Center of Food Additives, School of Food and Health, Beijing Technology and Business University, Beijing, China
- Key Laboratory of Food Bioengineering (China National Light Industry), College of Food Science and Nutritional Engineering, China Agricultural University, Beijing, China
| | - Justyna Zulewska
- Department of Dairy Science and Quality Management, Faculty of Food Sciences, University of Warmia and Mazury in Olsztyn, Olsztyn, Poland
| | - Ke Xiong
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, Beijing Engineering and Technology Research Center of Food Additives, School of Food and Health, Beijing Technology and Business University, Beijing, China
| | - Zhennai Yang
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, Beijing Engineering and Technology Research Center of Food Additives, School of Food and Health, Beijing Technology and Business University, Beijing, China
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24
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Xu X, Wang X, Lin J, Xiong H, Wang M, Tan H, Xiong K, Han D. Automatic Segmentation and Measurement of Choroid Layer in High Myopia for OCT Imaging Using Deep Learning. J Digit Imaging 2022; 35:1153-1163. [PMID: 35581408 PMCID: PMC9582076 DOI: 10.1007/s10278-021-00571-x] [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] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2021] [Revised: 12/03/2021] [Accepted: 12/06/2021] [Indexed: 11/30/2022] Open
Abstract
Automatic segmentation and measurement of the choroid layer is useful in studying of related fundus diseases, such as diabetic retinopathy and high myopia. However, most algorithms are not helpful for choroid layer segmentation due to its blurred boundaries and complex gradients. Therefore, this paper aimed to propose a novel choroid segmentation method that combines image enhancement and attention-based dense (AD) U-Net network. The choroidal images obtained from optical coherence tomography (OCT) are pre-enhanced by algorithms that include flattening, filtering, and exponential and linear enhancement to reduce choroid-independent information. Experimental results obtained from 800 OCT B-scans of the choroid layers from both normal eyes and high myopia showed that image enhancement significantly increased the performance of ADU-Net, with an AUC of 99.51% and a DSC of 97.91%. The accuracy of segmentation using the ADU-Net method with image enhancement is superior to that of the existing networks. In addition, we describe some algorithms that can measure automatically choroidal foveal thickness and the volume of adjacent areas. Statistical analyses of the choroidal parameters variation indicated that compared with normal eyes, high myopia has a reduction of 86.3% of the choroidal foveal thickness and 90% of the adjacent volume. It proved that high myopia is likely to cause choroid layer attenuation. These algorithms would have wide application in the diagnosis and precaution of related fundus lesions caused by choroid thinning from high myopia in future studies.
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Affiliation(s)
- Xiangcong Xu
- School of Physics and Optoelectronic Engineering, Foshan University, Foshan, Guangdong China
- Guangdong-Hong Kong-Macao Joint Laboratory for Intelligent Micro-Nano Optoelectronic, Foshan, People’s Republic of China
- School of Mechatronic Engineering and Automation, Foshan University, Foshan, Guangdong China
| | - Xuehua Wang
- School of Physics and Optoelectronic Engineering, Foshan University, Foshan, Guangdong China
- Guangdong-Hong Kong-Macao Joint Laboratory for Intelligent Micro-Nano Optoelectronic, Foshan, People’s Republic of China
| | - Jingyi Lin
- School of Physics and Optoelectronic Engineering, Foshan University, Foshan, Guangdong China
- Guangdong-Hong Kong-Macao Joint Laboratory for Intelligent Micro-Nano Optoelectronic, Foshan, People’s Republic of China
| | - Honglian Xiong
- School of Physics and Optoelectronic Engineering, Foshan University, Foshan, Guangdong China
- Guangdong-Hong Kong-Macao Joint Laboratory for Intelligent Micro-Nano Optoelectronic, Foshan, People’s Republic of China
| | - Mingyi Wang
- School of Physics and Optoelectronic Engineering, Foshan University, Foshan, Guangdong China
- Guangdong-Hong Kong-Macao Joint Laboratory for Intelligent Micro-Nano Optoelectronic, Foshan, People’s Republic of China
| | - Haishu Tan
- School of Physics and Optoelectronic Engineering, Foshan University, Foshan, Guangdong China
- Guangdong-Hong Kong-Macao Joint Laboratory for Intelligent Micro-Nano Optoelectronic, Foshan, People’s Republic of China
| | - Ke Xiong
- Department of Ophthalmology, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong China
| | - Dingan Han
- School of Physics and Optoelectronic Engineering, Foshan University, Foshan, Guangdong China
- Guangdong-Hong Kong-Macao Joint Laboratory for Intelligent Micro-Nano Optoelectronic, Foshan, People’s Republic of China
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25
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Xiong K, Yao XW, Han XL, Shou X. [A case of right auricle and right coronary artery perforation caused by active pacing electrodes]. Zhonghua Xin Xue Guan Bing Za Zhi 2022; 50:926-927. [PMID: 36096713 DOI: 10.3760/cma.j.cn112148-20220714-00552] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Affiliation(s)
- K Xiong
- Graduate School of Xi'an Medical University, Xi'an 710021, China
| | - X W Yao
- Second Department of Cardiovascular Medicine, Shaanxi Provincial People's Hospital, Xi'an 710068, China
| | - X L Han
- Second Department of Cardiovascular Medicine, Shaanxi Provincial People's Hospital, Xi'an 710068, China
| | - Xiling Shou
- Second Department of Cardiovascular Medicine, Shaanxi Provincial People's Hospital, Xi'an 710068, China
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26
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Yang X, Xue Z, Zheng H, Qiu L, Xiong K. Mechanic-Electric-Thermal Directly Coupling Simulation Method of Lamb Wave under Temperature Effect. Sensors (Basel) 2022; 22:6647. [PMID: 36081104 PMCID: PMC9459707 DOI: 10.3390/s22176647] [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] [Figures] [Subscribe] [Scholar Register] [Received: 08/03/2022] [Revised: 08/29/2022] [Accepted: 08/30/2022] [Indexed: 06/15/2023]
Abstract
Lamb Wave (LW)-based structural health monitoring method is promising, but its main obstacle is damage assessment in varying environments. LW simulation based on piezoelectric transducers (referred to as PZTs) is an efficient and low-cost method. This paper proposes a multiphysics simulation method of LW propagation with the PZTs under temperature effect. The effect of temperature on LW propagation is considered from two aspects. On the one hand, temperature affects the material parameters of the structure, the adhesive layers and the PZTs. On the other hand, it is considered that the thermal stress caused by the inconsistency of thermal expansion coefficients among the structure, the adhesive layers, and the PZTs affect the piezoelectric constant of the PZTs. Based on the COMSOL Multiphysics, the mechanic-electric-thermal directly coupling simulation model under temperature effect is established. The simulation model consists of two steps. In the first step, the thermal-mechanic coupling is carried out to calculate the thermal stress, and the thermal stress effect is introduced into the piezoelectric constant model. In the second step, mechanic-electric coupling is carried out to simulate LW propagation, which considers the piezoelectric effect of the PZTs for the LW excitation and reception. The simulation results at -20 °C to 60 °C are obtained and compared to the experiment. The results show that the A0 and S0 mode of simulation signals match well with the experimental measurements. Additionally, the effect of temperature on LW propagation is consistent between simulation and experiment; that is, the amplitude increases, and the phase velocity decreases with the increment of temperature.
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27
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Xie D, Xiong K, Su X, Wang G, Wang L, Zou Q, Zhang C, Cao Y, Liu Y, Chen YH. Memantine targets glutamate receptors in atrial cardiomyocytes to prevent and treat atrial fibrillation. Cell Discov 2022; 8:76. [PMID: 35918317 PMCID: PMC9345967 DOI: 10.1038/s41421-022-00429-8] [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] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2021] [Accepted: 06/02/2022] [Indexed: 11/20/2022] Open
Affiliation(s)
- Duanyang Xie
- Department of Cardiology, Shanghai East Hospital, Tongji University School of Medicine, Shanghai, China.,Key Laboratory of Arrhythmias of the Ministry of Education of China, Tongji University School of Medicine, Shanghai, China.,Institute of Medical Genetics, Tongji University, Shanghai, China
| | - Ke Xiong
- Department of Cardiology, Shanghai East Hospital, Tongji University School of Medicine, Shanghai, China.,Key Laboratory of Arrhythmias of the Ministry of Education of China, Tongji University School of Medicine, Shanghai, China.,Institute of Medical Genetics, Tongji University, Shanghai, China
| | - Xuling Su
- Key Laboratory of Arrhythmias of the Ministry of Education of China, Tongji University School of Medicine, Shanghai, China.,Institute of Medical Genetics, Tongji University, Shanghai, China
| | - Guanghua Wang
- Key Laboratory of Arrhythmias of the Ministry of Education of China, Tongji University School of Medicine, Shanghai, China.,Institute of Medical Genetics, Tongji University, Shanghai, China
| | - Luxin Wang
- Department of Cardiology, Shanghai East Hospital, Tongji University School of Medicine, Shanghai, China.,Key Laboratory of Arrhythmias of the Ministry of Education of China, Tongji University School of Medicine, Shanghai, China.,Institute of Medical Genetics, Tongji University, Shanghai, China
| | - Qicheng Zou
- Department of Cardiology, Shanghai East Hospital, Tongji University School of Medicine, Shanghai, China.,Key Laboratory of Arrhythmias of the Ministry of Education of China, Tongji University School of Medicine, Shanghai, China.,Institute of Medical Genetics, Tongji University, Shanghai, China
| | - Caihong Zhang
- Key Laboratory of Arrhythmias of the Ministry of Education of China, Tongji University School of Medicine, Shanghai, China.,Jinzhou Medical University, Jinzhou, Liaoning, China
| | - Yuting Cao
- Key Laboratory of Arrhythmias of the Ministry of Education of China, Tongji University School of Medicine, Shanghai, China.,Jinzhou Medical University, Jinzhou, Liaoning, China
| | - Yi Liu
- Department of Cardiology, Shanghai East Hospital, Tongji University School of Medicine, Shanghai, China.,Key Laboratory of Arrhythmias of the Ministry of Education of China, Tongji University School of Medicine, Shanghai, China.,Institute of Medical Genetics, Tongji University, Shanghai, China
| | - Yi-Han Chen
- Department of Cardiology, Shanghai East Hospital, Tongji University School of Medicine, Shanghai, China. .,Key Laboratory of Arrhythmias of the Ministry of Education of China, Tongji University School of Medicine, Shanghai, China. .,Institute of Medical Genetics, Tongji University, Shanghai, China. .,Department of Pathology and Pathophysiology, Tongji University School of Medicine, Shanghai, China. .,Research Units of Origin and Regulation of Heart Rhythm, Chinese Academy of Medical Sciences, Shanghai, China.
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28
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Peng W, Lee CC, Xiong K. What shapes the impact of environmental regulation on energy intensity? New evidence from enterprise investment behavior in China. Environ Sci Pollut Res Int 2022; 29:53364-53381. [PMID: 35288855 DOI: 10.1007/s11356-022-19655-4] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [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: 01/11/2022] [Accepted: 03/07/2022] [Indexed: 06/14/2023]
Abstract
With the deepening of economic reforms in China, the low-energy transition is increasingly relying on government policy and enterprise participation. This research thus investigates the mechanism through which environmental regulation impacts industrial energy intensity. Based on provincial data during 2005-2019, we construct a dynamic panel model to capture the linkage between environmental regulation and the energy intensity with the consideration of the mediation effect of enterprise investment behavior, i.e., technology or financial investment. Our findings suggest a significant U-shaped relationship between regulation and energy intensity, and that enterprise investment behavior serves as a bridge to mediate the role of environmental regulation in alleviating energy intensity. Such effects are more pronounced for state-owned and large-sized enterprises. These findings can guide enterprises to invest in response to these regulations to further ensure energy efficiency.
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Affiliation(s)
- Wei Peng
- College of Economics and Management, Zhongshan Polytechnic, Zhongshan, China
| | - Chi-Chuan Lee
- School of Public Administration, Southwestern University of Finance and Economics, Chengdu, China.
| | - Ke Xiong
- The Institute of Advanced Studies in Humanities and Social Sciences, Beijing Normal University at Zhuhai, Zhuhai, China
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29
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Xiong K, Zhao Y, Hu S, Ma A, Ma Y. Dose-Response Relationship Between Oral Lutein Intake and Plasma Lutein Concentration: A Randomized Controlled Trial. Front Nutr 2022; 9:924997. [PMID: 35811994 PMCID: PMC9257170 DOI: 10.3389/fnut.2022.924997] [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] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2022] [Accepted: 05/30/2022] [Indexed: 11/13/2022] Open
Abstract
Lutein was shown to provide health benefits for a few diseases. The dose-response relation of oral lutein intake in humans has rarely been reported. The objective is to investigate the dose-response relation between oral lutein intake and plasma lutein concentration in humans. Forty subjects were recruited from Qingdao University, China in 2014. The subjects were randomly divided into four groups: (1–3) consuming 10, 20, or 40 mg lutein by one, two, or four capsules of lutein A, respectively; (4) consuming 20 mg lutein by two capsules of lutein B (containing 280 mg n-3 fatty acid). After a single oral dose, plasma lutein concentrations were measured at 9-time points. The raise of plasma lutein concentration by a 40 mg dose was significantly higher than by a 10 or 20 mg dose. Plasma lutein concentrations were not significantly different between taking 20 mg lutein A and 20 mg lutein B. A dose-response relation was demonstrated between oral lutein administration and plasma lutein concentration. The dose-response relation was more pronounced among men. The current work provides a scientific basis for recommending a dietary intake level of lutein. Future work should validate the results in other ethnic and age groups.
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Zhang W, Liu FQ, Zhang LP, Ding HG, Zhuge YZ, Wang JT, Li L, Wang GC, Wu H, Li H, Cao GH, Lu XF, Kong DR, Sun L, Wu W, Sun JH, Liu JT, Zhu H, Li DL, Guo WH, Xue H, Wang Y, Gengzang CJC, Zhao T, Yuan M, Liu SR, Huan H, Niu M, Li X, Ma J, Zhu QL, Guo WW, Zhang KP, Zhu XL, Huang BR, Li JN, Wang WD, Yi HF, Zhang Q, Gao L, Zhang G, Zhao ZW, Xiong K, Wang ZX, Shan H, Li MS, Zhang XQ, Shi HB, Hu XG, Zhu KS, Zhang ZG, Jiang H, Zhao JB, Huang MS, Shen WY, Zhang L, Xie F, Li ZW, Hou CL, Hu SJ, Lu JW, Cui XD, Lu T, Yang SS, Liu W, Shi JP, Lei YM, Bao JL, Wang T, Ren WX, Zhu XL, Wang Y, Yu L, Yu Q, Xiang HL, Luo WW, Qi XL. [Status of HVPG clinical application in China in 2021]. Zhonghua Gan Zang Bing Za Zhi 2022; 30:637-643. [PMID: 36038326 DOI: 10.3760/cma.j.cn501113-20220302-00093] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
Objective: The investigation and research on the application status of Hepatic Venous Pressure Gradient (HVPG) is very important to understand the real situation and future development of this technology in China. Methods: This study comprehensively investigated the basic situation of HVPG technology in China, including hospital distribution, hospital level, annual number of cases, catheters used, average cost, indications and existing problems. Results: According to the survey, there were 70 hospitals in China carrying out HVPG technology in 2021, distributed in 28 provinces (autonomous regions and municipalities directly under the central Government). A total of 4 398 cases of HVPG were performed in all the surveyed hospitals in 2021, of which 2 291 cases (52.1%) were tested by HVPG alone. The average cost of HVPG detection was (5 617.2±2 079.4) yuan. 96.3% of the teams completed HVPG detection with balloon method, and most of the teams used thrombectomy balloon catheter (80.3%). Conclusion: Through this investigation, the status of domestic clinical application of HVPG has been clarified, and it has been confirmed that many domestic medical institutions have mastered this technology, but it still needs to continue to promote and popularize HVPG technology in the future.
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Affiliation(s)
- W Zhang
- Department of Interventional Radiology, Zhongshan Hospital, Fudan University, Shanghai 200032, China
| | - F Q Liu
- Department of Interventional Radiology, Beijing Shijitan Hospital, Capital Medical University, Beijing 100038, China
| | - L P Zhang
- Department of Radiology,Third Hospital of Taiyuan, Taiyuan 030012, China
| | - H G Ding
- Liver Disease Digestive Center,Beijing Youan Hospital, Capital Medical University, Beijing 100069, China
| | - Y Z Zhuge
- Digestive Department,Affiliated Drum Tower Hospital, Medical School of Nanjing University, Nanjing 210008, China
| | - J T Wang
- Department of Hepatobiliary Surgery, Xingtai People's Hospital, Xingtai 054001, China
| | - L Li
- Department of Interventional Radiology, the First Hospital of Lanzhou University, Lanzhou 730013, China
| | - G C Wang
- Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan 250021, China
| | - H Wu
- Digestive Department, West China Hospital, Sichuan University, Chengdu 610044, China
| | - H Li
- Institute of Hepatology and Department of Infectious Disease, Nanfang Hospital, Southern Medical University, Guangzhou 510515, China
| | - G H Cao
- Department of Radiology, Shulan Hospital, Hangzhou 310022, China
| | - X F Lu
- Digestive Department, West China Hospital, Sichuan University, Chengdu 610044, China
| | - D R Kong
- Digestive Department, the First Affiliated Hospital of Anhui Medical University, Hefei 230022, China
| | - L Sun
- Department of Gastroenterology, the First Affiliated Hospital of Wenzhou Medical University, Wenzhou 325001, China
| | - W Wu
- Department of Gastroenterology, the First Affiliated Hospital of Wenzhou Medical University, Wenzhou 325001, China
| | - J H Sun
- Hepatobiliary and Pancreatic Intervention Center , the First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou 310003, China
| | - J T Liu
- Digestive Department,Hainan Hospital of Chinese PLA General Hospital, Sanya 572013, China
| | - H Zhu
- The 1 st Department of Interventional Radiology, the Sixth People's Hospital of Shenyang, Shenyang 110006, China
| | - D L Li
- No. 900 Hospital of the Joint Logistic Support Force, Fuzhou 350025, China
| | - W H Guo
- Department of Interventional Radiology, Meng Chao Hepatobiliary Hospital of Fujian Medical University, Fuzhou 350025, China
| | - H Xue
- Digestive Department, the First Affiliated Hospital of Xi'an Jiaotong University, Xi'an 710061, China
| | - Y Wang
- Beijing Friendship Hospital, Capital Medical University, Beijing 100050, China
| | - C J C Gengzang
- Department of Interventional Radiology, the Fourth People's Hospital of Qinghai Province, Xining 810007, China
| | - T Zhao
- Department of Radiology,Sir Run Shaw Hospital, Zhejiang University, Hangzhou 310016, China
| | - M Yuan
- Department of Interventional Radiology Shanghai Public Health Clinical Center, Fudan University, Shanghai 201508, China
| | - S R Liu
- Department of Infectious Disease,Qufu People's Hospital, Qufu 273199, China
| | - H Huan
- Digestive Department, Chengdu Office Hospital of Tibet Autonomous Region People's Government, Chengdu 610041, China
| | - M Niu
- Department of Interventional Radiology, the First Affiliated Hospital of China Medical University, Shenyang 110001, China
| | - X Li
- Department of Radiology,Tianjin Second People's Hospital, Tianjin 300192, China
| | - J Ma
- Department of Interventional Vascular Surgerg, People's Hospital of Ningxia Hui Autonomous Region, Yinchuan 750002, China
| | - Q L Zhu
- Digestive Department,the Affiliated Hospital of Southwest Medical University, Luzhou 646099, China
| | - W W Guo
- Department of Interventional Radiology, the First Affiliated Hospital, Sun Yat-sen University, Guangzhou 510080, China
| | - K P Zhang
- Department of Hepatobiliary Surgery, Xingtai People's Hospital, Xingtai 054001, China
| | - X L Zhu
- Department of Surgery, the First Hospital of Lanzhou University, Lanzhou 730013, China
| | - B R Huang
- Department of Interventional Vascular Surgery,Jingzhou First People's Hospital, Jingzhou, China
| | - J N Li
- Liver Diseases Department,Jiamusi Infectious Disease Hospital, Jiamusi 154015, China
| | - W D Wang
- Hepatobiliary, Pancreatic and Spleen Surgery Department,Shunde Hospital, Southern Medical University, Foshan 528427, China
| | - H F Yi
- Digestive Department,Wuhan First Hospital, Wuhan 430030, China
| | - Q Zhang
- Interventional Vascular Surgery Department, Affiliated Zhongda Hospital of Southeast University, Nanjing 210009, China
| | - L Gao
- Oncology and Vascular Interventional Department, First Hospital of Shanxi Medical University, Taiyuan 030001, China
| | - G Zhang
- Digestive Department, the People's Hospital of Guangxi Zhuang Autonomous Region, Nanning 530016, China
| | - Z W Zhao
- Department of Interventional Radiology, Lishui Municipal Central Hospital, Zhejiang University School of Medicine, Lishui 323030, China
| | - K Xiong
- Digestive Department, the Second Affiliated Hospital of Nanchang University, Nanchang 330008, China
| | - Z X Wang
- Inner Mongolia Medical University Affiliated Hospital, Hohhot 010050, China
| | - H Shan
- Interventional Medicine Center, the Fifth Affiliated Hospital, Sun Yat-sen University, Zhuhai 519000, China
| | - M S Li
- Department of Endovascular Surgery, the First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - X Q Zhang
- Digestive Department, the Second Hospital of Hebei Medical University, Shijiazhuang 050004, China
| | - H B Shi
- Department of Interventional Radiology, the First Affiliated Hospital of Nanjing Medical University, Nanjing 210029, China
| | - X G Hu
- Interventional Radiology Department,Jinhua Municipal Central Hospital, Jinhua 321099, China
| | - K S Zhu
- Interventional Radiology Department, the Second Affiliated Hospital, Guangzhou University of Chinese Medicine, Guangzhou 510260, China
| | - Z G Zhang
- Department of Liver Surgery,Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430014, China
| | - H Jiang
- Infectious Disease Department,Second Affiliated Hospital, Military Medical University of the Air Force, Xi'an 710038, China
| | - J B Zhao
- Department of Vascular and Interventional Radiology, Nanfang Hospital, Southern Medical University, Guangzhou 510515, China
| | - M S Huang
- Interventional Radiology Department, the Third Affiliated Hospital, Sun Yat-sen University, Guangzhou 510000, China
| | - W Y Shen
- Digestive Department,Fuling Hospital Affiliated to Chongqing University, Chongqing 400030, China
| | - L Zhang
- Hepatobiliary Pancreatic Center,Tsinghua Changgung Hospital, Beijing 102200, China
| | - F Xie
- Function Department,Lanzhou Second People's Hospital, Lanzhou 730030, China
| | - Z W Li
- Hepatobiliary Surgery Department,Shenzhen Third People's Hospital, Shenzhen518112, China
| | - C L Hou
- Department of Interventional Radiology, the First Affiliated Hospital of USTC, Hefei 230001, China
| | - S J Hu
- Digestive Department,People's Hospital of Ningxia Hui Autonomous Region, Yinchuan 750002, China
| | - J W Lu
- Department of Interventional Radiology, Qufu People's Hospital, Qufu 273199, China
| | - X D Cui
- Department of Interventional Radiology, the People's Hospital of Guangxi Zhuang Autonomous Region, Nanning 530016, China
| | - T Lu
- Department of Gastroenterology, Yangquan Third People's Hospital, Yangquan 045099,China
| | - S S Yang
- Department of Gastroenterology, General Hospital of Ningxia Medical University , Yinchuan 750003, China
| | - W Liu
- Department of Interventional Radiology, Lishui People's Hospital, Zhejiang Province, Lishui 323050, China
| | - J P Shi
- Department of Liver Diseases, Affiliated Hospital of Hangzhou Normal University, Hangzhou 310015, China
| | - Y M Lei
- Interventional Radiology Department, People's Hospital of Tibet Autonomous Region, Lhasa 850001, China
| | - J L Bao
- Department of Gastroenterology, Shannan people's Hospital,Shannan 856004, China
| | - T Wang
- Department of Interventional Radiology, Yantai Yuhuangding Hospital Affiliated to Qingdao University, Yantai 264099,China
| | - W X Ren
- Interventional Treatment Center, the First Affiliated Hospital of Xinjiang Medical University, Urumqi 830011,China
| | - X L Zhu
- Interventional Radiology Department, the First Affiliated Hospital of Suzhou University, Suzhou 215006, China
| | - Y Wang
- Department of Interventional Vascular Surgery, the Second Affiliated Hospital of Hainan Medical College, Haikou 570216, China
| | - L Yu
- Department of Interventional Radiology, Sanming First Hospital Affiliated to Fujian Medical University,Sanming 365001,China
| | - Q Yu
- Interventional Radiology Department, Fifth Medical Center of PLA General Hospital, Beijing 100039, China
| | - H L Xiang
- Department of Gastroenterology, Tianjin Third Central Hospital, Tianjin 300170, China
| | - W W Luo
- Deparment of Infectious Diseases, the Second Affiliated Hospital of Chongqing Medical University, Chongqing 400010, China
| | - X L Qi
- Center of Portal Hypertension Department of Radiology, Zhongda Hospital of Southeast University, Nanjing 210009, China
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Xu F, Ma B, Wang D, Lu J, Xiong K, Wang J. Associating the blood vitamin A, C, D and E status with tuberculosis: a systematic review and meta-analysis of observational studies. Food Funct 2022; 13:4825-4838. [PMID: 35403633 DOI: 10.1039/d1fo02827h] [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] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Abstract
Vitamins may play an important role in preventing tuberculosis. The purpose of this work is to associate the vitamin A, C, D and E status with tuberculosis through a systematic review and meta-analysis of observational studies. Web of Science, Pubmed and Scopus were searched from the earliest date of the database to May 2021. The standardized mean differences (SMDs) of blood vitamin concentrations and odds ratios (ORs) of vitamin deficiency between the tuberculosis patients and the control subjects were used as the main effect sizes. The effect sizes were pooled by a random-effects model using the Stata software (Version 11). The vitamin A concentration was significantly lower in the tuberculosis group than in the control group [SMD (95% CI): -0.96 (-1.31, -0.61), p < 0.01]. Only two case-control studies reported the vitamin C concentrations in the tuberculosis group versus the control group, and the difference was not significant. The blood vitamin D concentration was significantly lower in the tuberculosis group than in the control group [SMD (95% CI): -0.53 (-0.75, -0.32), p < 0.01]. Consistently, the number of people with vitamin D deficiency was significantly higher in the tuberculosis group [OR (95% CI): 2.29 (1.55, 3.37), p < 0.01]. The vitamin E concentration was significantly lower in the tuberculosis group than in the control group [SMD (95% CI): -0.34 (-0.61, -0.08), p = 0.01]. The current meta-analysis suggested a negative association between the vitamin A, D and E status and tuberculosis, and the association between the vitamin C status and tuberculosis was inconclusive due to the limited studies available.
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Affiliation(s)
- Fei Xu
- Institute of Nutrition and Health, School of Public Health, Qingdao University, Qingdao, Shandong, China.
| | - Baolan Ma
- Health Management Center, The 971 Naval Hospital, Qingdao, Shandong, China
| | - Dandan Wang
- Nutritional Department, the Affiliated Hospital of Qingdao University, Qingdao, Shandong, China
| | - Jialin Lu
- Institute of Nutrition and Health, School of Public Health, Qingdao University, Qingdao, Shandong, China.
| | - Ke Xiong
- Institute of Nutrition and Health, School of Public Health, Qingdao University, Qingdao, Shandong, China.
| | - Jinyu Wang
- Institute of Nutrition and Health, School of Public Health, Qingdao University, Qingdao, Shandong, China.
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Pei P, Xiong K, Wang X, Sun B, Zhao Z, Zhang X, Yu J. Predictive growth kinetic parameters and modelled probabilities of deoxynivalenol production by Fusarium graminearum on wheat during simulated storing conditions. J Appl Microbiol 2022; 133:349-361. [PMID: 35365897 DOI: 10.1111/jam.15557] [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] [Revised: 03/17/2022] [Accepted: 03/30/2022] [Indexed: 11/28/2022]
Abstract
AIMS Mathematical models were employed to predict the growth kinetic parameters of F. graminearum and the accumulation of deoxynivalenol (DON) during wheat storage as a function of different moisture contents (MCs) and temperatures. METHODS AND RESULTS The colony counting method was used to quantify F. graminearum growth under different environmental conditions, and kinetic and probability models were developed to describe the effect of different MCs and temperatures on fungal growth and DON production during wheat storage. Among the employed secondary models (Arrhenius-Davey, Gibson, and Cardinal), the general polynomial best predicted the fungal growth rate under varying temperature and MC during wheat storage. According to the logistic model, DON contamination was correctly predicted in 96.5% of cases. CONCLUSIONS The maximum growth rate of fungi was 0.4889±0.092 Log CFU g-1 d-1 at 25°C and 30% moisture according to the polynomial model. At below 17°C and ≤15% moisture, no fungal growth was observed. The probability model of toxin production showed no toxin production at less than 15% moisture (aw ≤ 0.76) and below 15°C. SIGNIFICANCE AND IMPACT OF THE STUDY This is the first application of a probability model of DON production during wheat storage, providing a reference for preventing fungal growth and mycotoxin accumulation by F. graminearum during wheat storage and guaranteeing food product safety.
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Affiliation(s)
- Penggang Pei
- Beijing Engineering and Technology Research Center of Food Additives, Beijing Technology & Business University (BTBU),, Beijing, China.,Beijing Innovation Centre of Food Nutrition and Human, Beijing Technology & Business University (BTBU), Beijing, China
| | - Ke Xiong
- Beijing Engineering and Technology Research Center of Food Additives, Beijing Technology & Business University (BTBU),, Beijing, China.,Beijing Laboratory for Food Quality and Safety, Beijing Technology & Business University (BTBU), Beijing, China
| | - Xiaoyi Wang
- Beijing Engineering and Technology Research Center of Food Additives, Beijing Technology & Business University (BTBU),, Beijing, China.,College of Artificial Intelligence, Beijing Technology and Business University (BTBU), Beijing, China
| | - Baoguo Sun
- Beijing Engineering and Technology Research Center of Food Additives, Beijing Technology & Business University (BTBU),, Beijing, China.,Beijing Innovation Centre of Food Nutrition and Human, Beijing Technology & Business University (BTBU), Beijing, China
| | - Zhiyao Zhao
- Beijing Engineering and Technology Research Center of Food Additives, Beijing Technology & Business University (BTBU),, Beijing, China.,College of Artificial Intelligence, Beijing Technology and Business University (BTBU), Beijing, China
| | - Xin Zhang
- Beijing Engineering and Technology Research Center of Food Additives, Beijing Technology & Business University (BTBU),, Beijing, China.,College of Artificial Intelligence, Beijing Technology and Business University (BTBU), Beijing, China
| | - Jiabin Yu
- Beijing Laboratory for Food Quality and Safety, Beijing Technology & Business University (BTBU), Beijing, China.,College of Artificial Intelligence, Beijing Technology and Business University (BTBU), Beijing, China
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Lu J, Wang D, Ma B, Gai X, Kang X, Wang J, Xiong K. Blood retinol and retinol-binding protein concentrations are associated with diabetes: a systematic review and meta-analysis of observational studies. Eur J Nutr 2022; 61:3315-3326. [PMID: 35318493 DOI: 10.1007/s00394-022-02859-2] [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: 07/24/2021] [Accepted: 03/02/2022] [Indexed: 11/24/2022]
Abstract
PURPOSE The associations between blood retinol, retinol-binding protein (RBP) concentrations and diabetes mellitus were inconsistent in literature. The objective is to investigate these associations by a systematic review and meta-analysis and provide basis for clinical intervention. METHODS PubMed, Web of science, and Cochrane databases were searched from the beginning to July 1, 2021. A total of 13 studies on retinol and 31 studies on RBP are included in the current meta-analysis. RESULTS The blood retinol concentration was significantly lower in the type I diabetes mellitus (T1DM) [standardized mean difference (SMD) (95% CI): - 0.59 (- 0.81, - 0.37), P < 0.01] and gestational diabetes mellitus (GDM) patients [SMD (95% CI): - 0.54 (- 0.87, - 0.20), P < 0.01] than in the controls. However, the difference was not significant between the type II diabetes mellitus (T2DM) patients and the controls. The RBP concentration was significantly higher in the diabetic patients than in the controls [SMD (95% CI): 0.24 (0.12, 0.35), P < 0.01]. Particularly, the RBP concentration was significantly higher in the T2DM and GDM patients. CONCLUSION The blood retinol concentration was negatively associated with T1DM and GDM, while the blood RBP concentration was positively associated with T2DM and GDM. Future work should use a more sensitive retinol measurement method like retinol isotope dilution method to confirm whether blood retinol concentration differs between the diabetes patients and the controls.
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Affiliation(s)
- Jialin Lu
- Institute of Nutrition and Health, School of Public Health, Qingdao University, Qingdao, Shandong, China
| | - Dandan Wang
- Department of Nutrition, The Affiliated Hospital of Qingdao University, Qingdao, Shandong, China
| | - Baolan Ma
- Health Management Center, The 971 Naval Hospital, Qingdao, Shandong, China
| | - Xiaochun Gai
- Institute of Nutrition and Health, School of Public Health, Qingdao University, Qingdao, Shandong, China
| | - Xiao Kang
- Institute of Nutrition and Health, School of Public Health, Qingdao University, Qingdao, Shandong, China
| | - Jinyu Wang
- Institute of Nutrition and Health, School of Public Health, Qingdao University, Qingdao, Shandong, China
| | - Ke Xiong
- Institute of Nutrition and Health, School of Public Health, Qingdao University, Qingdao, Shandong, China.
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Yang Q, Shi M, Tang D, Zhu H, Xiong K. Multiple Roles of Grit in the Relationship Between Interpersonal Stress and Psychological Security of College Freshmen. Front Psychol 2022; 13:824214. [PMID: 35310215 PMCID: PMC8929422 DOI: 10.3389/fpsyg.2022.824214] [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] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2021] [Accepted: 01/31/2022] [Indexed: 12/24/2022] Open
Abstract
Grit, as an important positive psychological quality, has rarely been studied for its role involved in the mechanism between stress and psychological security. This article explores the moderating and mediating role of grit in the relationship between interpersonal stress and psychological security of freshmen through two studies. In study 1, freshmen from several Chinese universities (N = 1,224) were recruited to complete a battery of questionnaire, including assessments about interpersonal stress, grit, and psychological security. The moderating effect analysis showed that grit moderated the relationship between interpersonal stress and psychological security. Specifically, grit buffered the negative effects of interpersonal stress on freshmen’s psychological security, but this effect was obvious only when the level of interpersonal stress was relatively low, and decreased when the level of interpersonal stress was high. In study 2, college freshmen from another university apart from above ones (N = 604) were recruited, and we verified the results of study 1 and further explored the mediating role of grit in the relationship between interpersonal stress and security. The moderating effect analysis of study 2 also verified that of study 1. The mediating effect analysis showed that interpersonal stress not only negatively predicted psychological security, but also affected psychological security through the mediation of grit. In general, grit played a mediating and moderating role in the relationship between interpersonal stress and psychological security. This study provides first-hand evidence to explain the multiple roles of grit in the relationship between interpersonal stress and psychological security.
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Affiliation(s)
- Qingsong Yang
- School of Teacher Education, Zunyi Normal College, Zunyi, China
| | - Mengxi Shi
- School of Teacher Education, Zunyi Normal College, Zunyi, China
| | - Dandan Tang
- School of Teacher Education, Zunyi Normal College, Zunyi, China
| | - Hai Zhu
- School of Teacher Education, Zunyi Normal College, Zunyi, China
| | - Ke Xiong
- Institute of Advanced Studies in Humanities and Social Sciences, Beijing Normal University at Zhuhai, Zhuhai, China
- *Correspondence: Ke Xiong,
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Lu J, Ma B, Qiu X, Sun Z, Xiong K. Effects of resistant starch supplementation on oxidative stress and inflammation biomarkers: A systematic review and meta-analysis of randomized controlled trials. Asia Pac J Clin Nutr 2021; 30:614-623. [PMID: 34967190 DOI: 10.6133/apjcn.202112_30(4).0008] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
BACKGROUND AND OBJECTIVES Animal experiments showed that resistant starch (RS) had an antioxidant and antiinflammatory effect. However, clinical studies showed both insignificant and significant effects of RS on inflammation and oxidative stress. The purpose of this work is to conduct a systematic review and meta-analysis of previous randomized controlled trials (RCTs) to investigate these effects. METHODS AND STUDY DESIGN A systematic literature search was conducted on Web of Science, Scopus, PubMed and Cochrane electronic databases, which included studies from the earliest date of the database to September 2021. Key inclusion criteria were: RCTs; reporting at least one inflammatory or oxidative stress biomarker as endpoint; more than seven day intervention. Key exclusion criteria were: using a mixture of RS and other functional food ingredients as intervention substance; inappropriate controls. RESULTS A total of 16 RCTs including 706 subjects were included. RS supplementation significantly improved total antioxidant capacity [standard mean difference (SMD) (95% CI): 2.64 (0.34, 4.94), p=0.03], and significantly reduced blood malondialdehyde concentration [SMD (95% CI): -0.55 (- 0.94, -0.17), p=0.01]. RS supplementation significantly reduced blood C-reactive protein concentration in type 2 diabetes mellitus (T2DM) patients [SMD (95% CI): -0.35 (-0.65, -0.05), p=0.02]. RS consumption significantly reduced blood interlukin-6 and tumor necrosis factor- concentration if removing one distinct trial. CONCLUSIONS RS supplementation may significantly reduce a few oxidative-stress and inflammation biomarkers such as malondialdehyde and C-reactive protein, particularly in T2DM patients. Future work should investigate the optimal dosage of RS supplementation for modulating oxidative stress and inflammation biomarkers related to T2DM.
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Affiliation(s)
- Jialin Lu
- Institute of Nutrition and Health, School of Public Health, Qingdao University, Qingdao, Shandong, China
| | - Baolan Ma
- Health Management Center, the 971 Naval Hospital, Qingdao, Shandong, China
| | - Xia Qiu
- State Key Laboratory of Bioactive Seaweed Substances, Qingdao Brightmoon Seaweed Group Co., Ltd., Qingdao, China
| | - Zhanyi Sun
- State Key Laboratory of Bioactive Seaweed Substances, Qingdao Brightmoon Seaweed Group Co., Ltd., Qingdao, China
| | - Ke Xiong
- Institute of Nutrition and Health, School of Public Health, Qingdao University, Qingdao, Shandong, China.
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Wu Q, Yin CH, Li Y, Cai JQ, Yang HY, Huang YY, Zheng YX, Xiong K, Yu HL, Lu AP, Wang KX, Guan DG, Chen YP. Detecting Critical Functional Ingredients Group and Mechanism of Xuebijing Injection in Treating Sepsis. Front Pharmacol 2021; 12:769190. [PMID: 34938184 PMCID: PMC8687625 DOI: 10.3389/fphar.2021.769190] [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: 09/01/2021] [Accepted: 11/04/2021] [Indexed: 11/13/2022] Open
Abstract
Sepsis is a systemic inflammatory reaction caused by various infectious or noninfectious factors, which can lead to shock, multiple organ dysfunction syndrome, and death. It is one of the common complications and a main cause of death in critically ill patients. At present, the treatments of sepsis are mainly focused on the controlling of inflammatory response and reduction of various organ function damage, including anti-infection, hormones, mechanical ventilation, nutritional support, and traditional Chinese medicine (TCM). Among them, Xuebijing injection (XBJI) is an important derivative of TCM, which is widely used in clinical research. However, the molecular mechanism of XBJI on sepsis is still not clear. The mechanism of treatment of "bacteria, poison and inflammation" and the effects of multi-ingredient, multi-target, and multi-pathway have still not been clarified. For solving this issue, we designed a new systems pharmacology strategy which combines target genes of XBJI and the pathogenetic genes of sepsis to construct functional response space (FRS). The key response proteins in the FRS were determined by using a novel node importance calculation method and were condensed by a dynamic programming strategy to conduct the critical functional ingredients group (CFIG). The results showed that enriched pathways of key response proteins selected from FRS could cover 95.83% of the enriched pathways of reference targets, which were defined as the intersections of ingredient targets and pathogenetic genes. The targets of the optimized CFIG with 60 ingredients could be enriched into 182 pathways which covered 81.58% of 152 pathways of 1,606 pathogenetic genes. The prediction of CFIG targets showed that the CFIG of XBJI could affect sepsis synergistically through genes such as TAK1, TNF-α, IL-1β, and MEK1 in the pathways of MAPK, NF-κB, PI3K-AKT, Toll-like receptor, and tumor necrosis factor signaling. Finally, the effects of apigenin, baicalein, and luteolin were evaluated by in vitro experiments and were proved to be effective in reducing the production of intracellular reactive oxygen species in lipopolysaccharide-stimulated RAW264.7 cells, significantly. These results indicate that the novel integrative model can promote reliability and accuracy on depicting the CFIGs in XBJI and figure out a methodological coordinate for simplicity, mechanism analysis, and secondary development of formulas in TCM.
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Affiliation(s)
- Qi- Wu
- Department of Burns, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Chuan-Hui Yin
- Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Southern Medical University, Guangzhou, China.,Guangdong Province Key Laboratory of Single Cell Technology and Application, Southern Medical University, Guangzhou, China
| | - Yi Li
- Department of Radiology, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Jie-Qi Cai
- Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Southern Medical University, Guangzhou, China.,Guangdong Province Key Laboratory of Single Cell Technology and Application, Southern Medical University, Guangzhou, China
| | - Han-Yun Yang
- The First Clinical Medical College of Southern Medical University, Guangzhou, China
| | - Ying-Ying Huang
- Department of Obstetrics and Gynecology, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Yi-Xu Zheng
- Department of Ophthalmology, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Ke Xiong
- Department of Ophthalmology, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Hai-Lang Yu
- Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Southern Medical University, Guangzhou, China.,Guangdong Province Key Laboratory of Single Cell Technology and Application, Southern Medical University, Guangzhou, China
| | - Ai-Ping Lu
- Institute of Integrated Bioinformedicine and Translational Science, Hong Kong Baptist University, Kowloon Tong, Hong Kong China
| | - Ke-Xin Wang
- Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Southern Medical University, Guangzhou, China.,National Key Clinical Specialty/Engineering Technology Research Center of Education Ministry of China, Guangdong Provincial Key Laboratory on Brain Function Repair and Regeneration, Department of Neurosurgery, Neurosurgery Institute, Zhujiang Hospital, Southern Medical University, Guangzhou, China
| | - Dao-Gang Guan
- Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Southern Medical University, Guangzhou, China.,Guangdong Province Key Laboratory of Single Cell Technology and Application, Southern Medical University, Guangzhou, China
| | - Yu-Peng Chen
- Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Southern Medical University, Guangzhou, China.,Guangdong Province Key Laboratory of Single Cell Technology and Application, Southern Medical University, Guangzhou, China
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Ma B, Lu J, Kang T, Zhu M, Xiong K, Wang J. Astaxanthin supplementation mildly reduced oxidative stress and inflammation biomarkers: a systematic review and meta-analysis of randomized controlled trials. Nutr Res 2021; 99:40-50. [DOI: 10.1016/j.nutres.2021.09.005] [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: 07/12/2021] [Revised: 09/19/2021] [Accepted: 09/20/2021] [Indexed: 11/29/2022]
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38
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Ni Y, Bu W, Xiong K, Ding X, Wang H, Liu X, Long K, Hu S. Trace impurity analysis in uranium materials by rapid separation and ICP-MS/MS measurement with matrix matched external calibration. Microchem J 2021. [DOI: 10.1016/j.microc.2021.106615] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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Wang Z, Yang F, Ma H, Cheng Z, Zhang W, Xiong K, Shen T, Yang S. Bifocal 532/1064 nm alternately illuminated photoacoustic microscopy for capturing deep vascular morphology in human skin. J Eur Acad Dermatol Venereol 2021; 36:51-59. [PMID: 34547120 DOI: 10.1111/jdv.17677] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2021] [Accepted: 08/26/2021] [Indexed: 12/26/2022]
Abstract
BACKGROUND As a promising technology, photoacoustic microscopy (PAM) plays a critical role in diagnosis and assessment of dermatological conditions by providing subtle vascular networks non-invasively. However, the established PAMs are insufficient for clinical dermatology when faced with complex structures of human skin instead of animal models owing to high melanin content and superimposed vasculature for Asians, which cannot balance the spatial resolution and the imaging depth. OBJECTIVES To evaluate the ability of bifocal 532/1064-nm alternately illuminated photoacoustic microscopy (BF-PAM) to non-invasively reveal the morphological structure of human skin for improving the diagnosis and therapeutic efficacy of skin diseases. METHODS A BF-PAM was developed to capture biopsy-like information of human skin from epidermis to hypodermis. The optical foci of the two excitation beams are staggered in the axial direction to form an extended depth-of-field, which can maintain the lateral resolution and the contrast of PA image. RESULTS The imaging capability of the BF-PAM was demonstrated by depicting the vascular morphology of multilayered skin with imaging depth of ˜3 mm. Furtherly, vascular malformations in port-wine stains skin were quantitatively assessed without the need for any contrast agent, and the distribution, depth and diameter of the ectatic vessels can determine an optimal treatment protocol for port-wine stains lesions. CONCLUSIONS The quantitative vascular morphology in the dermis can be used to accurately assess vascular characteristics, in which case it enables clinicians to determine optimum treatment parameters in individual patients. As a non-invasive imaging technique, BF-PAM holds great potential to provide objective assessment to enhance the therapeutic efficacy. ETHICAL STATEMENT The study was conducted in accordance with the Declaration of Helsinki (as revised in 2013). The study was approved by the Chinese Ethics Committee of Registering Clinical Trials (ChiECRCT20200184) and registered with Chinese Clinical Trial Registry (ChiCTR2000034400). Before skin imaging, written informed consent was taken from all individual participants.
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Affiliation(s)
- Z Wang
- MOE Key Laboratory of Laser Life Science and Institute of Laser Life Science, College of Biophotonics, South China Normal University, Guangzhou, China.,Guangdong Provincial Key Laboratory of Laser Life Science, College of Biophotonics, South China Normal University, Guangzhou, China
| | - F Yang
- MOE Key Laboratory of Laser Life Science and Institute of Laser Life Science, College of Biophotonics, South China Normal University, Guangzhou, China.,Guangdong Provincial Key Laboratory of Laser Life Science, College of Biophotonics, South China Normal University, Guangzhou, China
| | - H Ma
- MOE Key Laboratory of Laser Life Science and Institute of Laser Life Science, College of Biophotonics, South China Normal University, Guangzhou, China.,Guangdong Provincial Key Laboratory of Laser Life Science, College of Biophotonics, South China Normal University, Guangzhou, China
| | - Z Cheng
- MOE Key Laboratory of Laser Life Science and Institute of Laser Life Science, College of Biophotonics, South China Normal University, Guangzhou, China.,Guangdong Provincial Key Laboratory of Laser Life Science, College of Biophotonics, South China Normal University, Guangzhou, China
| | - W Zhang
- MOE Key Laboratory of Laser Life Science and Institute of Laser Life Science, College of Biophotonics, South China Normal University, Guangzhou, China.,Guangdong Provincial Key Laboratory of Laser Life Science, College of Biophotonics, South China Normal University, Guangzhou, China
| | - K Xiong
- MOE Key Laboratory of Laser Life Science and Institute of Laser Life Science, College of Biophotonics, South China Normal University, Guangzhou, China.,Guangdong Provincial Key Laboratory of Laser Life Science, College of Biophotonics, South China Normal University, Guangzhou, China
| | - T Shen
- Department of Plastic and Aesthetic Surgery, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - S Yang
- MOE Key Laboratory of Laser Life Science and Institute of Laser Life Science, College of Biophotonics, South China Normal University, Guangzhou, China.,Guangdong Provincial Key Laboratory of Laser Life Science, College of Biophotonics, South China Normal University, Guangzhou, China
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Luan N, Xiong K, Zhang Z, Zheng H, Zhang Y, Fan P, Qu G. Age-Aware Utility Maximization in Relay-Assisted Wireless Powered Communication Networks. Entropy (Basel) 2021; 23:e23091177. [PMID: 34573802 PMCID: PMC8472745 DOI: 10.3390/e23091177] [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] [Subscribe] [Scholar Register] [Received: 07/13/2021] [Revised: 08/05/2021] [Accepted: 08/09/2021] [Indexed: 11/16/2022]
Abstract
This article investigates a relay-assisted wireless powered communication network (WPCN), where the access point (AP) inspires the auxiliary nodes to participate together in charging the sensor, and then the sensor uses its harvested energy to send status update packets to the AP. An incentive mechanism is designed to overcome the selfishness of the auxiliary node. In order to further improve the system performance, we establish a Stackelberg game to model the efficient cooperation between the AP–sensor pair and auxiliary node. Specifically, we formulate two utility functions for the AP–sensor pair and the auxiliary node, and then formulate two maximization problems respectively. As the former problem is non-convex, we transform it into a convex problem by introducing an extra slack variable, and then by using the Lagrangian method, we obtain the optimal solution with closed-form expressions. Numerical experiments show that the larger the transmit power of the AP, the smaller the age of information (AoI) of the AP–sensor pair and the less the influence of the location of the auxiliary node on AoI. In addition, when the distance between the AP and the sensor node exceeds a certain threshold, employing the relay can achieve better AoI performance than non-relaying systems.
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Affiliation(s)
- Ning Luan
- School of Computer and Information Technology, Beijing Jiaotong University, Beijing 100044, China; (N.L.); (H.Z.)
- Beijing Key Laboratory of Traffic Data Analysis and Mining, Beijing Jiaotong University, Beijing 100044, China
| | - Ke Xiong
- School of Computer and Information Technology, Beijing Jiaotong University, Beijing 100044, China; (N.L.); (H.Z.)
- Beijing Key Laboratory of Traffic Data Analysis and Mining, Beijing Jiaotong University, Beijing 100044, China
- Frontiers Science Center for Smart High-Speed Railway System, Beijing Jiaotong University, Beijing 100044, China
- Correspondence: (K.X.); (Z.Z.)
| | - Zhifei Zhang
- School of Computer and Information Technology, Beijing Jiaotong University, Beijing 100044, China; (N.L.); (H.Z.)
- Correspondence: (K.X.); (Z.Z.)
| | - Haina Zheng
- School of Computer and Information Technology, Beijing Jiaotong University, Beijing 100044, China; (N.L.); (H.Z.)
- Beijing Key Laboratory of Traffic Data Analysis and Mining, Beijing Jiaotong University, Beijing 100044, China
| | - Yu Zhang
- State Grid Energy Research Institute Co., Ltd., Beijing 102209, China;
| | - Pingyi Fan
- Department of Electronic Engineering, Tsinghua University, Beijing 100084, China;
- Beijing National Research Center for Information Science and Technology, Tsinghua University, Beijing 100084, China
| | - Gang Qu
- Department of Electrical and Computer Engineering, University of Maryland at College Park, College Park, MD 20742, USA;
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Xiong K, Cai J, Liu P, Wang J, Zhao S, Xu L, Yang Y, Liu J, Ma A. Back Cover:
Lactobacillus casei
Alleviated the Abnormal Increase of Cholestasis‐Related Liver Indices During Tuberculosis Treatment: A Post Hoc Analysis of Randomized Controlled Trial. Mol Nutr Food Res 2021. [DOI: 10.1002/mnfr.202170043] [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: 11/08/2022]
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Xiong K, Cai J, Liu P, Wang J, Zhao S, Xu L, Yang Y, Liu J, Ma A. Lactobacillus casei Alleviated the Abnormal Increase of Cholestasis-Related Liver Indices During Tuberculosis Treatment: A Post Hoc Analysis of Randomized Controlled Trial. Mol Nutr Food Res 2021; 65:e2100108. [PMID: 33864432 DOI: 10.1002/mnfr.202100108] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [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: 02/08/2021] [Revised: 03/30/2021] [Indexed: 12/17/2022]
Abstract
SCOPE Probiotics are promising in mitigating drug-induced liver injury in animal experiments. However, the clinical evidence is absent. The objective is to investigate the effect of adjunctive Lactobacillus casei on tuberculosis-drug-induced liver injury. METHODS AND RESULTS A post hoc analysis is conducted for a previous randomized controlled trial. The trial is registered at the Chinese Clinical Trial Registry (No. ChiCTR-IOR-17013210). Four hundred twenty nine patients are allocated to receive standard tuberculosis therapy alone (control group), or together with 1 × 1010 colony-forming units (CFU) per day (low-dose group), or 2 × 1010 CFU per day of L. casei (high-dose group) during tuberculosis treatment. The L. casei supplementation significantly reduced the incidence of the abnormal increase of cholestasis-related liver indices including alkaline phosphatase (p = 0.024) and bilirubin (p = 0.013). Plasma lipopolysaccharide (p = 0.02), intestinal permeability biomarkers including zonula occludens-1 (p = 0.001) and intestinal fatty acid binding protein (p = 0.002) are significantly reduced. The gut microbiota composition is dramatically altered with a reduction of Bacteroidetes (p < 0.001) and a corresponding increase of Actinobacteria (p < 0.001) and Firmicutes (p = 0.003). CONCLUSIONS L. casei supplementation is beneficial for suppressing abnormally elevated cholestasis-related liver indices during tuberculosis treatment, which may be related to its modification on blood lipopolysaccharide, intestinal barrier function, and gut microbiota.
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Affiliation(s)
- Ke Xiong
- School of Public Health, Institute of Nutrition and Health, Qingdao University, Qingdao, Shandong, 266021, China
| | - Jing Cai
- School of Public Health, Institute of Nutrition and Health, Qingdao University, Qingdao, Shandong, 266021, China
| | - Peiying Liu
- Linyi People's Hospital, Linyi, Shandong, 276000, China
| | - Jinyu Wang
- School of Public Health, Institute of Nutrition and Health, Qingdao University, Qingdao, Shandong, 266021, China
| | | | - Lei Xu
- School of Public Health, Institute of Nutrition and Health, Qingdao University, Qingdao, Shandong, 266021, China
| | - Yang Yang
- School of Public Health, Institute of Nutrition and Health, Qingdao University, Qingdao, Shandong, 266021, China
| | - Jiahong Liu
- Qingdao Central Hospital, Qingdao, Shandong, 266042, China
| | - Aiguo Ma
- School of Public Health, Institute of Nutrition and Health, Qingdao University, Qingdao, Shandong, 266021, China
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Wang J, Xiong K, Xu L, Zhang C, Zhao S, Liu Y, Ma A. Dietary Intake of Vegetables and Cooking Oil Was Associated With Drug-Induced Liver Injury During Tuberculosis Treatment: A Preliminary Cohort Study. Front Nutr 2021; 8:652311. [PMID: 34109203 PMCID: PMC8180911 DOI: 10.3389/fnut.2021.652311] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [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: 01/12/2021] [Accepted: 04/22/2021] [Indexed: 12/12/2022] Open
Abstract
Background and Purpose: Drug-induced liver injury is challenging during tuberculosis treatment. There is no epidemiological data investigating the relation between dietary intake and the risk of drug-induced liver injury during tuberculosis treatment. The aim of this study is to investigate the association of food and nutrient intake with the incidence of tuberculosis-drug-induced liver injury. Methods: A cohort study was conducted in two city-level tuberculosis-specialized hospitals in Linyi City and Qingdao City, China from January 2011 to December 2013. The dietary intake was assessed by a 3-day 24-h food recall survey and a standard food-frequency questionnaire. The liver functions including aspartate aminotransferase (AST) and alanine aminotransferase (ALT) were monitored throughout the 6-month tuberculosis therapy. Liver injury was defined as ALT or AST higher than two times of the upper limit of normal (ULN). Liver dysfunction was defined as ALT or AST higher than the ULN. The ULN for ALT and AST is 40 U/L. Multivariate logistic regression analyses were performed to determine the dietary factors associated with the incidence of liver injury and liver dysfunction. Results: A total of 605 patients were included in the analysis. During the treatment, 8.1% patients exhibited liver injury and 23.3% patients exhibited liver dysfunction. A lower intake of vegetables was associated with a higher risk of liver injury [OR (95% CI): 3.50 (1.52–8.08), P = 0.003) and liver dysfunction [OR (95% CI): 2.37 (1.31–4.29), P = 0.004], while a lower intake of cooking oil was associated with a lower risk of liver injury [OR (95% CI): 0.44 (0.20–0.96), P = 0.040)] and liver dysfunction [OR (95% CI): 0.51 (0.31–0.85), P = 0.009]. Conclusion: The current study indicated that the higher risks of tuberculosis-drug-induced liver injury and liver dysfunction were statistically associated with decreased vegetable intake and increased cooking oil intake.
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Affiliation(s)
- Jinyu Wang
- Institute of Nutrition and Health, School of Public Health, Qingdao University, Qingdao, China
| | - Ke Xiong
- Institute of Nutrition and Health, School of Public Health, Qingdao University, Qingdao, China
| | - Lei Xu
- Institute of Nutrition and Health, School of Public Health, Qingdao University, Qingdao, China
| | - Chao Zhang
- Institute of Nutrition and Health, School of Public Health, Qingdao University, Qingdao, China
| | | | | | - Aiguo Ma
- Institute of Nutrition and Health, School of Public Health, Qingdao University, Qingdao, China
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Zhang M, Xu X, Gu Y, Cheng X, Hu J, Xiong K, Jiang Y, Fan T, Xu J. Porous and nanowire-structured NiO/AgNWs composite electrodes for significantly-enhanced supercapacitive and electrochromic performances. Nanotechnology 2021; 32:275405. [PMID: 33770771 DOI: 10.1088/1361-6528/abf270] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/09/2021] [Accepted: 03/26/2021] [Indexed: 06/12/2023]
Abstract
NiO/AgNWs composite films which specially contain both porous and one-dimensional (1D) nanowire structures are prepared uniformly via a simple chemical bath deposition method. The supercapacitive electrodes constructed by the as-prepared NiO/AgNWs composite films exhibit a high specific capacitance (980 F g-1at 1 A g-1), much higher than that of the pure NiO films. Particularly, a large optical modulation (84.3% at 550 nm) and short switching times for the coloration and bleaching (5.4 and 6.5 s) are also observed if these NiO/AgNWs films serve as the electrochromic materials. The superior capacitive and electrochromic properties of the NiO/AgNWs composite films are attributed to the large electrochemically effective surface areas and enhanced conductivity induced by the addition of 1D AgNWs, which efficiently shorten the ions/electrons diffusion paths and accelerate the reversible redox reactions. Therefore, the NiO/AgNWs composite films hold a great potential for applications as a novel electrode material in supercapacitive and electrochromic devices.
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Affiliation(s)
- Mingang Zhang
- State Key Laboratory of Electronic Thin Films and Integrated Devices, School of Optoelectronic Science and Engineering, University of Electronic Science and Technology of China (UESTC), Chengdu 610054, People's Republic of China
| | - Xiangdong Xu
- State Key Laboratory of Electronic Thin Films and Integrated Devices, School of Optoelectronic Science and Engineering, University of Electronic Science and Technology of China (UESTC), Chengdu 610054, People's Republic of China
| | - Yu Gu
- State Key Laboratory of Electronic Thin Films and Integrated Devices, School of Optoelectronic Science and Engineering, University of Electronic Science and Technology of China (UESTC), Chengdu 610054, People's Republic of China
| | - Xiaomeng Cheng
- State Key Laboratory of Electronic Thin Films and Integrated Devices, School of Optoelectronic Science and Engineering, University of Electronic Science and Technology of China (UESTC), Chengdu 610054, People's Republic of China
| | - Junjie Hu
- State Key Laboratory of Electronic Thin Films and Integrated Devices, School of Optoelectronic Science and Engineering, University of Electronic Science and Technology of China (UESTC), Chengdu 610054, People's Republic of China
| | - Ke Xiong
- State Key Laboratory of Electronic Thin Films and Integrated Devices, School of Optoelectronic Science and Engineering, University of Electronic Science and Technology of China (UESTC), Chengdu 610054, People's Republic of China
| | - Yadong Jiang
- State Key Laboratory of Electronic Thin Films and Integrated Devices, School of Optoelectronic Science and Engineering, University of Electronic Science and Technology of China (UESTC), Chengdu 610054, People's Republic of China
| | - Ting Fan
- Chengdu Institute of Organic Chemistry, Chinese Academy of Sciences, Chengdu 610014, People's Republic of China
| | - Jimmy Xu
- School of Engineering and Department of Physics, Brown University, Providence, Rhode Island 02912, United States of America
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Zhang P, Xiong K, Lv P, Cui YT. Expression of lncRNA AK058003 in esophageal carcinoma and analysis of its intervention effect. Eur Rev Med Pharmacol Sci 2021; 24:5404-5411. [PMID: 32495875 DOI: 10.26355/eurrev_202005_21324] [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: 11/12/2022]
Abstract
OBJECTIVE The aim of this study was to investigate the expression of long non-coding ribonucleic acid (lncRNA) AK058003 in esophageal carcinoma (EC) tissues, and to analyze its intervention effect. PATIENTS AND METHODS The expression of lncRNA AK058003 in EC tissues and para-carcinoma tissues from 130 EC patients was detected via quantitative Polymerase Chain Reaction (qPCR). EC cell lines were selected for exogenous interference in lncRNA AK058003. Subsequently, the expression of lncRNA AK058003 in normal esophageal epithelial cell line (Het-1A) and EC cell lines (EC109, EC9706, KYSE-150, KYSE-30, and TE-1) was detected by qPCR. EC9706 cell lines with the highest expression of lncRNA AK058003 were selected and transfected with lncRNA AK058003 siRNA and lncRNA AK058003 control, respectively. After transfection, the expression of lncRNA AK058003 was determined using PCR. The changes in cell growth and proliferation were analyzed via cell growth curve and cell cycle assay. Meanwhile, the changes in cell migration and invasion were analyzed through wound healing assay. Protein expressions of matrix metalloproteinase-1 (MMP1) and MMP2 were determined by Western blot. Clinical data were collected from EC patients, and the association between lncRNA AK058003 expression and tumor-node-metastasis (TNM) stage was finally analyzed. RESULTS LncRNA AK058003 was highly expressed EC tissues compared with para-carcinoma tissues (p<0.01). Compared with Het-1A cells, the expression of lncRNA AK058003 was significantly higher in EC109, EC9706, KYSE-150, KYSE-30, and TE-1 cells, with highest level in EC9706 cells (p<0.05). The expression of lncRNA AK058003 remarkably declined in lncRNA AK058003 siRNA group compared with lncRNA AK058003 control group (p<0.001). Compared with lncRNA AK058003 control group, the proliferation of EC cells was significantly weakened in lncRNA AK058003 siRNA group, with the greatest difference at 3 d. Flow cytometry results revealed that cell cycle was arrested in G0/G1 phase in lncRNA AK058003 siRNA group. Wound healing assay indicated that the intercellular distance became large, and cell migration ability was evidently enhanced in lncRNA AK058003 siRNA group with time (p<0.05). Besides, the protein expressions of MMP1 and MMP2 were remarkably lower in lncRNA AK058003 siRNA group than those in lncRNA AK058003 control group. This indicated remarkably declined invasion and metastasis ability. In addition, the postoperative prognosis was significantly worse in patients with higher expression of lncRNA AK058003 (p<0.05). All these findings suggested that lncRNA AK058003 could serve as a biomarker for EC prognosis. CONCLUSIONS LncRNA AK058003 is highly expressed in EC patients, which promotes proliferation, migration, invasion, and metastasis of EC cells. In addition, the postoperative prognosis of EC patients with high expression of lncRNA AK058003 is relatively poor.
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Affiliation(s)
- P Zhang
- Department of Cardiothoracic Surgery, Tianjin Medical University General Hospital, Tianjin, China.
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Xiong K, Liu J, Wang X, Sun B, Zhang Y, Zhao Z, Pei P, Li X. Engineering a carboxypeptidase from Aspergillus niger M00988 by mutation to increase its ability in high Fischer ratio oligopeptide preparation. J Biotechnol 2021; 330:1-8. [PMID: 33647354 DOI: 10.1016/j.jbiotec.2021.02.015] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [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: 09/05/2020] [Revised: 02/18/2021] [Accepted: 02/21/2021] [Indexed: 02/06/2023]
Abstract
High Fischer ratio oligopeptides have better conditioning effects on chronic diseases caused by long-term sub-health. At present, the enzymatic method for producing high Fischer ratio oligopeptides has a low yield, complicated purification, and a high cost. The use of exopeptidases with specific catalytic activity for aromatic amino acids in the preparation of high Fischer ratio oligopeptides is an important means to solve this problem. The carboxypeptidase from Aspergillus niger M00988 was cloned, which has good specificity for hydrophobic amino acids. Mutations at important substrate binding sites 135, 160, and 206 were performed to study important factors affecting the enzyme-specific recognition of aromatic groups. The results showed that the steric hindrance of amino acid residues at position 135 and the effects of positions 160 and 206 on the binding force of the enzyme to the substrate have important effects on the specific recognition of aromatic groups by the enzyme. Therefore, the S135 G, Y160S, and Y206S mutant enzymes have good application prospects in the preparation of high Fischer ratio oligopeptides with Chlorella powder. The obtained oligopeptides' Fischer ratio reached 31.45, 38.42, and 36.54, respectively. Compared with the original enzyme, the Fischer ratio increased by 2.58 %, 25.31 %, and 19.18 %, respectively.
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Affiliation(s)
- Ke Xiong
- Beijing Engineering and Technology Research Center of Food Additives, Beijing Technology & Business University (BTBU), Beijing, 100048, China; Beijing Laboratory for Food Quality and Safety, Beijing Technology & Business University (BTBU), Beijing, 100048, China.
| | - Jiayun Liu
- Beijing Engineering and Technology Research Center of Food Additives, Beijing Technology & Business University (BTBU), Beijing, 100048, China; Beijing Key Laboratory of Flavor Chemistry, Beijing Technology and Business University (BTBU), Beijing, 100048, China
| | - Xiaoyi Wang
- Beijing Engineering and Technology Research Center of Food Additives, Beijing Technology & Business University (BTBU), Beijing, 100048, China; Beijing Laboratory for Food Quality and Safety, Beijing Technology & Business University (BTBU), Beijing, 100048, China
| | - Baoguo Sun
- Beijing Engineering and Technology Research Center of Food Additives, Beijing Technology & Business University (BTBU), Beijing, 100048, China; Beijing Innovation Centre of Food Nutrition and Human, Beijing Technology & Business University (BTBU), Beijing, 100048, China
| | - Yuyu Zhang
- Beijing Engineering and Technology Research Center of Food Additives, Beijing Technology & Business University (BTBU), Beijing, 100048, China; Beijing Laboratory for Food Quality and Safety, Beijing Technology & Business University (BTBU), Beijing, 100048, China
| | - Zhiyao Zhao
- Beijing Engineering and Technology Research Center of Food Additives, Beijing Technology & Business University (BTBU), Beijing, 100048, China; Beijing Laboratory for Food Quality and Safety, Beijing Technology & Business University (BTBU), Beijing, 100048, China
| | - Penggang Pei
- Beijing Laboratory for Food Quality and Safety, Beijing Technology & Business University (BTBU), Beijing, 100048, China; Beijing Innovation Centre of Food Nutrition and Human, Beijing Technology & Business University (BTBU), Beijing, 100048, China
| | - Xiuyuan Li
- Beijing Engineering and Technology Research Center of Food Additives, Beijing Technology & Business University (BTBU), Beijing, 100048, China; Beijing Key Laboratory of Flavor Chemistry, Beijing Technology and Business University (BTBU), Beijing, 100048, China
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Liang D, Xue Z, Xue J, Xie D, Xiong K, Zhou H, Zhang F, Su X, Wang G, Zou Q, Liu Y, Yang J, Ma H, Peng L, Zeng C, Li G, Wang L, Chen YH. Sinoatrial node pacemaker cells share dominant biological properties with glutamatergic neurons. Protein Cell 2021; 12:545-556. [PMID: 33548033 PMCID: PMC8225718 DOI: 10.1007/s13238-020-00820-9] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [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: 11/05/2020] [Accepted: 12/03/2020] [Indexed: 01/09/2023] Open
Abstract
Activation of the heart normally begins in the sinoatrial node (SAN). Electrical impulses spontaneously released by SAN pacemaker cells (SANPCs) trigger the contraction of the heart. However, the cellular nature of SANPCs remains controversial. Here, we report that SANPCs exhibit glutamatergic neuron-like properties. By comparing the single-cell transcriptome of SANPCs with that of cells from primary visual cortex in mouse, we found that SANPCs co-clustered with cortical neurons. Tissue and cellular imaging confirmed that SANPCs contained key elements of glutamatergic neurotransmitter system, expressing genes encoding glutamate synthesis pathway (Gls), ionotropic and metabotropic glutamate receptors (Grina, Gria3, Grm1 and Grm5), and glutamate transporters (Slc17a7). SANPCs highly expressed cell markers of glutamatergic neurons (Snap25 and Slc17a7), whereas Gad1, a marker of GABAergic neurons, was negative. Functional studies revealed that inhibition of glutamate receptors or transporters reduced spontaneous pacing frequency of isolated SAN tissues and spontaneous Ca2+ transients frequency in single SANPC. Collectively, our work suggests that SANPCs share dominant biological properties with glutamatergic neurons, and the glutamatergic neurotransmitter system may act as an intrinsic regulation module of heart rhythm, which provides a potential intervention target for pacemaker cell-associated arrhythmias.
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Affiliation(s)
- Dandan Liang
- Department of Cardiology, East Hospital, Tongji University School of Medicine, Shanghai, 200120, China.,Key Laboratory of Arrhythmias of the Ministry of Education of China, Tongji University School of Medicine, Shanghai, 200120, China.,Institute of Medical Genetics, Tongji University, Shanghai, 200092, China
| | - Zhigang Xue
- Department of Regenerative Medicine, Tongji University School of Medicine, Shanghai, 200092, China.,Reproductive Medicine Center, Tongji Hospital, Tongji University School of Medicine, Shanghai, 200065, China
| | - Jinfeng Xue
- Department of Regenerative Medicine, Tongji University School of Medicine, Shanghai, 200092, China
| | - Duanyang Xie
- Department of Cardiology, East Hospital, Tongji University School of Medicine, Shanghai, 200120, China.,Key Laboratory of Arrhythmias of the Ministry of Education of China, Tongji University School of Medicine, Shanghai, 200120, China.,Institute of Medical Genetics, Tongji University, Shanghai, 200092, China
| | - Ke Xiong
- Department of Cardiology, East Hospital, Tongji University School of Medicine, Shanghai, 200120, China.,Key Laboratory of Arrhythmias of the Ministry of Education of China, Tongji University School of Medicine, Shanghai, 200120, China.,Institute of Medical Genetics, Tongji University, Shanghai, 200092, China
| | - Huixing Zhou
- Department of Cardiology, East Hospital, Tongji University School of Medicine, Shanghai, 200120, China.,Key Laboratory of Arrhythmias of the Ministry of Education of China, Tongji University School of Medicine, Shanghai, 200120, China.,Institute of Medical Genetics, Tongji University, Shanghai, 200092, China
| | - Fulei Zhang
- Department of Cardiology, East Hospital, Tongji University School of Medicine, Shanghai, 200120, China.,Key Laboratory of Arrhythmias of the Ministry of Education of China, Tongji University School of Medicine, Shanghai, 200120, China.,Institute of Medical Genetics, Tongji University, Shanghai, 200092, China
| | - Xuling Su
- Department of Cardiology, East Hospital, Tongji University School of Medicine, Shanghai, 200120, China.,Key Laboratory of Arrhythmias of the Ministry of Education of China, Tongji University School of Medicine, Shanghai, 200120, China.,Institute of Medical Genetics, Tongji University, Shanghai, 200092, China
| | - Guanghua Wang
- Department of Cardiology, East Hospital, Tongji University School of Medicine, Shanghai, 200120, China.,Key Laboratory of Arrhythmias of the Ministry of Education of China, Tongji University School of Medicine, Shanghai, 200120, China.,Institute of Medical Genetics, Tongji University, Shanghai, 200092, China
| | - Qicheng Zou
- Department of Cardiology, East Hospital, Tongji University School of Medicine, Shanghai, 200120, China.,Key Laboratory of Arrhythmias of the Ministry of Education of China, Tongji University School of Medicine, Shanghai, 200120, China.,Institute of Medical Genetics, Tongji University, Shanghai, 200092, China
| | - Yi Liu
- Department of Cardiology, East Hospital, Tongji University School of Medicine, Shanghai, 200120, China.,Key Laboratory of Arrhythmias of the Ministry of Education of China, Tongji University School of Medicine, Shanghai, 200120, China.,Institute of Medical Genetics, Tongji University, Shanghai, 200092, China
| | - Jian Yang
- Department of Cardiology, East Hospital, Tongji University School of Medicine, Shanghai, 200120, China.,Key Laboratory of Arrhythmias of the Ministry of Education of China, Tongji University School of Medicine, Shanghai, 200120, China.,Institute of Medical Genetics, Tongji University, Shanghai, 200092, China
| | - Honghui Ma
- Department of Cardiology, East Hospital, Tongji University School of Medicine, Shanghai, 200120, China.,Key Laboratory of Arrhythmias of the Ministry of Education of China, Tongji University School of Medicine, Shanghai, 200120, China.,Institute of Medical Genetics, Tongji University, Shanghai, 200092, China
| | - Luying Peng
- Department of Cardiology, East Hospital, Tongji University School of Medicine, Shanghai, 200120, China.,Key Laboratory of Arrhythmias of the Ministry of Education of China, Tongji University School of Medicine, Shanghai, 200120, China.,Institute of Medical Genetics, Tongji University, Shanghai, 200092, China.,Department of Pathology and Pathophysiology, Tongji University School of Medicine, Shanghai, 200092, China
| | - Chunyu Zeng
- Department of Cardiology, Daping Hospital, Chongqing, 400042, China
| | - Gang Li
- Department of Neurology, East Hospital, Tongji University School of Medicine, Shanghai, 200120, China
| | - Li Wang
- State Key Laboratory of Cardiovascular Disease, Fuwai Hospital, National Center for Cardiovascular Diseases, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100037, China
| | - Yi-Han Chen
- Department of Cardiology, East Hospital, Tongji University School of Medicine, Shanghai, 200120, China. .,Key Laboratory of Arrhythmias of the Ministry of Education of China, Tongji University School of Medicine, Shanghai, 200120, China. .,Institute of Medical Genetics, Tongji University, Shanghai, 200092, China. .,Department of Pathology and Pathophysiology, Tongji University School of Medicine, Shanghai, 200092, China.
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48
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Liang D, Xue J, Geng L, Zhou L, Lv B, Zeng Q, Xiong K, Zhou H, Xie D, Zhang F, Liu J, Liu Y, Li L, Yang J, Xue Z, Chen YH. Cellular and molecular landscape of mammalian sinoatrial node revealed by single-cell RNA sequencing. Nat Commun 2021; 12:287. [PMID: 33436583 PMCID: PMC7804277 DOI: 10.1038/s41467-020-20448-x] [Citation(s) in RCA: 34] [Impact Index Per Article: 11.3] [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: 05/08/2019] [Accepted: 12/03/2020] [Indexed: 02/07/2023] Open
Abstract
Bioelectrical impulses intrinsically generated within the sinoatrial node (SAN) trigger the contraction of the heart in mammals. Though discovered over a century ago, the molecular and cellular features of the SAN that underpin its critical function in the heart are uncharted territory. Here, we identify four distinct transcriptional clusters by single-cell RNA sequencing in the mouse SAN. Functional analysis of differentially expressed genes identifies a core cell cluster enriched in the electrogenic genes. The similar cellular features are also observed in the SAN from both rabbit and cynomolgus monkey. Notably, Vsnl1, a core cell cluster marker in mouse, is abundantly expressed in SAN, but is barely detectable in atrium or ventricle, suggesting that Vsnl1 is a potential SAN marker. Importantly, deficiency of Vsnl1 not only reduces the beating rate of human induced pluripotent stem cell - derived cardiomyocytes (hiPSC-CMs) but also the heart rate of mice. Furthermore, weighted gene co-expression network analysis (WGCNA) unveiled the core gene regulation network governing the function of the SAN in mice. Overall, these findings reveal the whole transcriptome profiling of the SAN at single-cell resolution, representing an advance toward understanding of both the biology and the pathology of SAN. The spontaneous bioelectrical activity of pacemaker cells in sinoatrial node (SAN) triggers the heartbeats. Here, the authors perform single-cell RNA sequencing in the mouse SAN and identify molecular and cellular features of the SAN conserved in rabbit and cynomolgus monkey, identifying a new potential SAN marker.
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Affiliation(s)
- Dandan Liang
- Department of Cardiology, Shanghai East Hospital, Tongji University School of Medicine, Shanghai, 200120, China.,Key Laboratory of Arrhythmias of the Ministry of Education of China, Shanghai East Hospital, Tongji University School of Medicine, Shanghai, 200120, China.,Institute of Medical Genetics, Tongji University, Shanghai, 200092, China
| | - Jinfeng Xue
- Department of Regenerative Medicine, Tongji University School of Medicine, Shanghai, 200092, China
| | - Li Geng
- Department of Cardiology, Shanghai East Hospital, Tongji University School of Medicine, Shanghai, 200120, China.,Key Laboratory of Arrhythmias of the Ministry of Education of China, Shanghai East Hospital, Tongji University School of Medicine, Shanghai, 200120, China.,Institute of Medical Genetics, Tongji University, Shanghai, 200092, China
| | - Liping Zhou
- Department of Cardiology, Shanghai East Hospital, Tongji University School of Medicine, Shanghai, 200120, China.,Key Laboratory of Arrhythmias of the Ministry of Education of China, Shanghai East Hospital, Tongji University School of Medicine, Shanghai, 200120, China.,Institute of Medical Genetics, Tongji University, Shanghai, 200092, China
| | - Bo Lv
- Department of Regenerative Medicine, Tongji University School of Medicine, Shanghai, 200092, China
| | - Qiao Zeng
- Department of Regenerative Medicine, Tongji University School of Medicine, Shanghai, 200092, China
| | - Ke Xiong
- Department of Cardiology, Shanghai East Hospital, Tongji University School of Medicine, Shanghai, 200120, China.,Key Laboratory of Arrhythmias of the Ministry of Education of China, Shanghai East Hospital, Tongji University School of Medicine, Shanghai, 200120, China.,Institute of Medical Genetics, Tongji University, Shanghai, 200092, China
| | - Huixing Zhou
- Department of Cardiology, Shanghai East Hospital, Tongji University School of Medicine, Shanghai, 200120, China.,Key Laboratory of Arrhythmias of the Ministry of Education of China, Shanghai East Hospital, Tongji University School of Medicine, Shanghai, 200120, China.,Institute of Medical Genetics, Tongji University, Shanghai, 200092, China
| | - Duanyang Xie
- Department of Cardiology, Shanghai East Hospital, Tongji University School of Medicine, Shanghai, 200120, China.,Key Laboratory of Arrhythmias of the Ministry of Education of China, Shanghai East Hospital, Tongji University School of Medicine, Shanghai, 200120, China.,Institute of Medical Genetics, Tongji University, Shanghai, 200092, China
| | - Fulei Zhang
- Department of Cardiology, Shanghai East Hospital, Tongji University School of Medicine, Shanghai, 200120, China.,Key Laboratory of Arrhythmias of the Ministry of Education of China, Shanghai East Hospital, Tongji University School of Medicine, Shanghai, 200120, China.,Institute of Medical Genetics, Tongji University, Shanghai, 200092, China
| | - Jie Liu
- Translational Center of Stem Cell Research, Tongji Hospital, Tongji University School of Medicine, Shanghai, 200065, China
| | - Yi Liu
- Department of Cardiology, Shanghai East Hospital, Tongji University School of Medicine, Shanghai, 200120, China.,Key Laboratory of Arrhythmias of the Ministry of Education of China, Shanghai East Hospital, Tongji University School of Medicine, Shanghai, 200120, China.,Institute of Medical Genetics, Tongji University, Shanghai, 200092, China
| | - Li Li
- Key Laboratory of Arrhythmias of the Ministry of Education of China, Shanghai East Hospital, Tongji University School of Medicine, Shanghai, 200120, China.,Institute of Medical Genetics, Tongji University, Shanghai, 200092, China.,Department of Pathology and Pathophysiology, Tongji University School of Medicine, Shanghai, 200092, China
| | - Jian Yang
- Key Laboratory of Arrhythmias of the Ministry of Education of China, Shanghai East Hospital, Tongji University School of Medicine, Shanghai, 200120, China.,Institute of Medical Genetics, Tongji University, Shanghai, 200092, China.,Department of Pathology and Pathophysiology, Tongji University School of Medicine, Shanghai, 200092, China
| | - Zhigang Xue
- Department of Regenerative Medicine, Tongji University School of Medicine, Shanghai, 200092, China. .,Reproductive Medicine Center, Tongji Hospital, Tongji University School of Medicine, Shanghai, 200065, China.
| | - Yi-Han Chen
- Department of Cardiology, Shanghai East Hospital, Tongji University School of Medicine, Shanghai, 200120, China. .,Key Laboratory of Arrhythmias of the Ministry of Education of China, Shanghai East Hospital, Tongji University School of Medicine, Shanghai, 200120, China. .,Institute of Medical Genetics, Tongji University, Shanghai, 200092, China. .,Department of Pathology and Pathophysiology, Tongji University School of Medicine, Shanghai, 200092, China.
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49
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Gao T, Hou M, Zhang B, Pan X, Liu C, Sun C, Jia M, Lin S, Xiong K, Ma A. Effects of cranberry beverages on oxidative stress and gut microbiota in subjects with Helicobacter pylori infection: a randomized, double-blind, placebo-controlled trial. Food Funct 2021; 12:6878-6888. [PMID: 34126630 DOI: 10.1039/d1fo00467k] [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] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
Helicobacter pylori-induced oxidative stress plays an important role in gastric diseases. H. pylori disturbs gut microbiota. The objective is to investigate the effects of cranberry beverages on oxidative stress biomarkers and gut microbiota in H. pylori positive subjects. 171 H. pylori positive participants were randomly assigned to one of the three groups: high-dose (HCb; 480 mL cranberry beverage), low-dose (LCb; 240 mL cranberry beverage plus 240 mL placebo) and placebo (480 mL). Subjects consumed the beverages daily for 4 weeks. Fasting blood samples were analyzed for oxidative stress biomarkers. The intestinal microbiome was analyzed by 16S rRNA sequencing. Compared with the placebo, HCb resulted in a significantly higher increase of total antioxidant capacity (mean ± SD: 1.39 ± 1.69 IU mL-1vs. 0.34 ± 1.73 IU mL-1; p < 0.001) and a higher decrease of the lipid peroxidation product malondialdehyde (-7.29 ± 10.83 nmol mg-1vs. -0.84 ± 15.66 nmol mg-1; p = 0.025). A significant dose-dependent effect on the elevation of superoxide dismutase was observed (p < 0.001). Microbiome data showed that consuming HCb and LCb led to a significant reduction of Pseudomonas (p < 0.05). In conclusion, the current research showed that consuming cranberry beverages significantly improved the antioxidant status in H. pylori positive subjects, which may be related to the reshaping of gut microbiota.
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Affiliation(s)
- Tao Gao
- Binzhou Medical University Hospital, 661 Huanghe Second Road, Binzhou, Shandong, China
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50
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Watson-Grant S, Sutherland EG, Xiong K, Thomas JC. Beyond convenience: practical considerations with using routine health data for evaluations. Perspect Public Health 2020; 141:129-130. [PMID: 33000684 PMCID: PMC8142118 DOI: 10.1177/1757913920944196] [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] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Affiliation(s)
- S Watson-Grant
- MEASURE Evaluation, University of North Carolina at Chapel Hill (UNC), Chapel Hill, NC 27516, USA
| | - E G Sutherland
- MEASURE Evaluation, University of North Carolina at Chapel Hill (UNC), Chapel Hill, NC, USA
| | - K Xiong
- MEASURE Evaluation, University of North Carolina at Chapel Hill (UNC), Chapel Hill, NC, USA
| | - J C Thomas
- MEASURE Evaluation, University of North Carolina at Chapel Hill (UNC), Chapel Hill, NC, USA
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