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Yuan H, Jiangfang Y, Liu Z, Su R, Li Q, Fang C, Huang S, Liu X, Fernie AR, Luo J. WTV2.0: A high-coverage plant volatilomics method with a comprehensive selective ion monitoring acquisition mode. Mol Plant 2024:S1674-2052(24)00125-4. [PMID: 38685707 DOI: 10.1016/j.molp.2024.04.012] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/15/2024] [Revised: 04/02/2024] [Accepted: 04/24/2024] [Indexed: 05/02/2024]
Abstract
Volatilomics is essential for understanding the biological functions and fragrance contributions of plant volatiles. However, the annotation coverage of current untargeted and widely-targeted methods has been limited by low sensitivity and/or low acquisition coverage. Here, we introduce WTV 2.0. It enables the construction of a high-coverage library containing 2111 plant volatiles; the development of a comprehensive-selective ion monitoring (cSIM) acquisition method that contains the fewest but sufficient ions for most plant volatiles, including the selection of characteristic qualitative ions with minimal ions number for each compound and the optimized segmentation of acquisition method; and finally, the automatic qualitative and semi-quantitative analysis of cSIM data. Furthermore, the library and acquisition method can be self-expanded by incorporating compounds not present in the library, utilizing the obtained cSIM data. WTV 2.0 increased the median signal-to-noise ratio by 7.6-fold compared to the untargeted method, doubled the annotation coverage compared to the untargeted and WTV 1.0 methods in tomato fruit, and leading to the discovery of menthofuran as a novel flavor compound in passion fruit. WTV 2.0 is a Python library with a user-friendly interface, and is applicable to volatiles and primary metabolites profiling in any species.
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Affiliation(s)
- Honglun Yuan
- School of Breeding and Multiplication (Sanya Institute of Breeding and Multiplication) and College of Tropical Agriculture and Forestry, Hainan University, Sanya, Hainan, 572025, China
| | - Yiding Jiangfang
- School of Breeding and Multiplication (Sanya Institute of Breeding and Multiplication) and College of Tropical Agriculture and Forestry, Hainan University, Sanya, Hainan, 572025, China; Yazhouwan National Laboratory (YNL), Sanya, Hainan, 572025, China
| | - Zhenhuan Liu
- School of Breeding and Multiplication (Sanya Institute of Breeding and Multiplication) and College of Tropical Agriculture and Forestry, Hainan University, Sanya, Hainan, 572025, China; Yazhouwan National Laboratory (YNL), Sanya, Hainan, 572025, China
| | - Rongxiu Su
- School of Breeding and Multiplication (Sanya Institute of Breeding and Multiplication) and College of Tropical Agriculture and Forestry, Hainan University, Sanya, Hainan, 572025, China
| | - Qiao Li
- School of Breeding and Multiplication (Sanya Institute of Breeding and Multiplication) and College of Tropical Agriculture and Forestry, Hainan University, Sanya, Hainan, 572025, China
| | - Chuanying Fang
- School of Breeding and Multiplication (Sanya Institute of Breeding and Multiplication) and College of Tropical Agriculture and Forestry, Hainan University, Sanya, Hainan, 572025, China
| | - Sishu Huang
- School of Breeding and Multiplication (Sanya Institute of Breeding and Multiplication) and College of Tropical Agriculture and Forestry, Hainan University, Sanya, Hainan, 572025, China; Yazhouwan National Laboratory (YNL), Sanya, Hainan, 572025, China
| | - Xianqing Liu
- School of Breeding and Multiplication (Sanya Institute of Breeding and Multiplication) and College of Tropical Agriculture and Forestry, Hainan University, Sanya, Hainan, 572025, China
| | - Alisdair R Fernie
- Department of Molecular Physiology, Max-Planck-Institute of Molecular Plant Physiology, Am Mühlenberg 1, Potsdam-Golm, 14476, Germany
| | - Jie Luo
- Yazhouwan National Laboratory (YNL), Sanya, Hainan, 572025, China.
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Gu Y, Xu C, Zhang Z, Fang C, Yu J, He D, Xu G. Association between infarct location and haemorrhagic transformation of acute ischaemic stroke after intravenous thrombolysis. Clin Radiol 2024; 79:e401-e407. [PMID: 38135575 DOI: 10.1016/j.crad.2023.11.024] [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] [Received: 09/15/2023] [Accepted: 11/07/2023] [Indexed: 12/24/2023]
Abstract
AIM To evaluate the association between computed tomography (CT)-based imaging variables at the time of admission and haemorrhagic transformation (HT) after intravenous thrombolysis (IVT). MATERIALS AND METHODS One hundred and eight patients who were treated with IVT for acute ischaemic stroke (AIS) during January 2021 to July 2023 were analysed retrospectively. The infarct location was classified as cortical or subcortical in accordance with the Alberta Stroke Program Early CT Score (ASPECTS) system. Logistic regression and receiver operating characteristic curve analyses were performed to determine the relationship between ischaemic variables and HT. RESULTS Of the total, 18 (16.7%) patients had HT and seven (6.5%) had symptomatic intracerebral haemorrhage (sICH). Multivariate analysis revealed that cortical ASPECTS was independently associated with HT (odds ratio [OR], 0.197; 95% confidence interval [CI], 0.076-0.511; p=0.001) and cortical ASPECTS was independently associated with sICH (OR, 0.066; 95% CI, 0.009-0.510; p=0.009). To predict HT and sICH, cortical ASPECTS (HT area under the curve [AUC] = 0.881, sICH AUC = 0.971) provided a higher AUC compared with ASPECTS (HT AUC = 0.850, sICH AUC = 0.918). CONCLUSION Cortical ASPECTS seen on CT at the time of admission is associated with HT and sICH after IVT.
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Affiliation(s)
- Y Gu
- Department of Vascular Surgery and Intervention, The Affiliated Suzhou Hospital of Nanjing Medical University, 242 Guangji Road, Gusu District, Suzhou 215000, China
| | - C Xu
- Department of Vascular Surgery and Intervention, The Affiliated Suzhou Hospital of Nanjing Medical University, 242 Guangji Road, Gusu District, Suzhou 215000, China
| | - Z Zhang
- Department of Vascular Surgery and Intervention, The Affiliated Suzhou Hospital of Nanjing Medical University, 242 Guangji Road, Gusu District, Suzhou 215000, China
| | - C Fang
- Department of Vascular Surgery and Intervention, The Affiliated Suzhou Hospital of Nanjing Medical University, 242 Guangji Road, Gusu District, Suzhou 215000, China
| | - J Yu
- Department of Vascular Surgery and Intervention, The Affiliated Suzhou Hospital of Nanjing Medical University, 242 Guangji Road, Gusu District, Suzhou 215000, China
| | - D He
- Department of Neurology, The Affiliated Suzhou Hospital of Nanjing Medical University, 242 Guangji Road, Gusu District, Suzhou 215000, China
| | - G Xu
- Department of Vascular Surgery and Intervention, The Affiliated Suzhou Hospital of Nanjing Medical University, 242 Guangji Road, Gusu District, Suzhou 215000, China.
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Tam W, Yip J, Fang C, Yick K, Ng S. An optimal de Quervain's tenosynovitis splint with ergonomic thumb support and evenly distributed pressure. Heliyon 2024; 10:e26330. [PMID: 38420402 PMCID: PMC10900954 DOI: 10.1016/j.heliyon.2024.e26330] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2022] [Revised: 02/10/2024] [Accepted: 02/12/2024] [Indexed: 03/02/2024] Open
Abstract
Splinting is a conventional treatment for de Quervain's tenosynovitis (dQt). However, existing splints have problems such as excessive thermal discomfort and poor fit, which have been pointed out in previous studies. This study proposes a new functional splint consisting of both hard and soft materials with the aim of providing wear comfort with a good fit and sufficient stability of the injured hand. Thumb support of the splint is an important component that controls and protects the affected thumb. To develop an ergonomically shaped thumb support, 16 participants with dQt were recruited for three-dimensional (3D) scanning of their hands. The angles of the wrist and the curvature of the thumb were measured using computer software, and the results were used as a reference for the design of the prototype supports. Excessive pressure on particular regions, such as bony areas, may cause discomfort or pain. To ensure the wear comfort of the proposed splint, a finite element model (FEM) was built to simulate the wear process of the splint and hence to predict the pressure distribution exerted from the splint onto the hand of the wearer. The simulated results show that the pressure is evenly distributed over the hand, indicating that patients are likely to wear the proposed splint comfortably during their treatment period.
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Affiliation(s)
- W.S. Tam
- School of Fashion and Textiles, The Hong Kong Polytechnic University, Hong Kong
| | - J. Yip
- School of Fashion and Textiles, The Hong Kong Polytechnic University, Hong Kong
| | - C. Fang
- Department of Orthopaedics and Traumatology, The University of Hong Kong, Queen Mary Hospital, Hong Kong
| | - K.L. Yick
- School of Fashion and Textiles, The Hong Kong Polytechnic University, Hong Kong
| | - S.P. Ng
- School of Professional Education and Executive Development, The Hong Kong Polytechnic University, Hong Kong
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Li Y, Zhang P, Sun C, Xiao N, Yang Y, Zhong B, Fang C, Kui G, Liu Z, Li F, Yang S, Feng Y. [Effectiveness of the central government-funded echinococcosis control programme in Tianzhu Tibetan Autonomous County, Gansu Province from 2007 to 2022]. Zhongguo Xue Xi Chong Bing Fang Zhi Za Zhi 2024; 35:626-632. [PMID: 38413024 DOI: 10.16250/j.32.1374.2023179] [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] [Subscribe] [Scholar Register] [Indexed: 02/29/2024]
Abstract
OBJECTIVE To evaluate the effectiveness of the central government-funded echinococcosis control programme in Tianzhu Tibetan Autonomous County, Gansu Province from 2007 to 2022, so as to provide insights into echinococcosis control. METHODS Administrative villages were sampled using a multi-stage cluster random sampling method from Tianzhu Tibetan Autonomous County, Gansu Province from 2007 to 2022, and all residents at ages of 12 years and older in the sampled villages were screened for echinococcosis, and schools were sampled using a cluster sampling method, and all children at ages of 12 years and older in the sampled schools were screened for echinococcosis. Domestic dogs were sampled using a systematic random sampling method, and one domestic dog stool sample was collected from each household. Stray dog stool samples were collected outside the villages, and Echinococcus coproantigens were detected using enzyme-linked immunosorbent assay in domestic and stray dogs. In addition, echinococcosis was screened in sheep and cattle in designated slaughterhouses in Tianzhu Tibetan Autonomous County. The trends in the prevalence of echinococcosis in humans and livestock and the positive rate of Echinococcus coproantigens in dogs were examined with the Cochran-Armitage trend test. In addition, individuals screened for echinococcosis were randomly sampled from 2007 to 2022 for survey on the awareness of echinococcosis control knowledge. RESULTS A total of 290 356 person-times were screened for echinococcosis among residents at ages of 12 years and older in Tianzhu Tibetan Autonomous County, Gansu Province from 2007 to 2022, with 1 094 residents detected with cystic echinococcosis, and the detection of echinococcosis appeared a tendency towards a gradual decline over years (χ2 = 358.602, P < 0.001). A total of 32 931 person-times were screened for echinococcosis among children at ages of 12 years and older in Tianzhu Tibetan Autonomous County, Gansu Province from 2007 to 2022, with 296 children detected with echinococcosis, and the detection of echinococcosis appeared a tendency towards a gradual decline over years (χ2 = 267.673, P < 0.001). A total of 33 230 domestic dog stool samples were tested for Echinococcus coproantigens in Tianzhu Tibetan Autonomous County, Gansu Province from 2007 to 2022, with 1 777 Echinococcus coproantigens-positive samples tested, and the positive rate of Echinococcus coproantigens appeared a tendency towards a decline in domestic dogs over years (χ2 = 2 210.428, P < 0.001), while the positive rate of Echinococcus coproantigens showed a tendency towards a rise in domestic animals from 2016 to 2022 (χ2 = 37.745, P < 0.001). The positive rate of Echinococcus coproantigens remained relatively stable in stray dogs in Tianzhu Tibetan Autonomous County, Gansu Province from 2019 to 2022 (χ2 = 0.315, P = 0.575). A total of 10 973 sheep were screened for echinococcosis in Tianzhu Tibetan Autonomous County from 2007 to 2022, with 334 sheep detected with echinococcosis, and the detection of echinococcosis appeared a tendency towards a decline in sheep over years (χ2 = 53.579, P < 0.001); however, there was no significant change in the detection of echinococcosis during the period from 2015 through 2022 (χ2 = 1.520, P = 0.218). A total of 2 400 cattle were screened for echinococcosis in Tianzhu Tibetan Autonomous County from 2017 to 2022, with 231 cattle detected with echinococcosis, and the detection of echinococcosis showed a tendency towards a decline over years (χ2 = 5.579, P < 0.05). The awareness of echinococcosis control knowledge increased from 44.37% in 2007 to 94.00% in 2022 among residents at ages of 12 years and older and from 52.50% in 2007 to 92.50% in 2022 among children at ages of 12 years and older in Tianzhu Tibetan Autonomous County, respectively. CONCLUSIONS There has been a reduction in the detection of echinococcosis in humans and domestic animals and the positive rate of Echinococcus coproantigens in dogs and a rise in the awareness of the echinococcosis control knowledge following the implementation of the central government-funded echinococcosis control programme in Tianzhu Tibetan Autonomous County, Gansu Province; however, integrated echinococcosis control measures are still required for further control of the prevalence of echinococcosis.
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Affiliation(s)
- Y Li
- Tianzhu Tibetan Autonomous County Center for Disease Control and Prevention, Wuwei, Gansu 733200, China
| | - P Zhang
- Tianzhu Tibetan Autonomous County Center for Disease Control and Prevention, Wuwei, Gansu 733200, China
| | - C Sun
- National Institute of Parasitic Diseases, Chinese Center for Disease Control and Prevention (Chinese Center for Tropical Diseases Research), National Key Laboratory of Intelligent Tracking and Forecasting for Infectious Diseases, National Health Commission Key Laboratory on Parasite and Vector Biology, WHO Centre for Tropical Diseases, National Center for International Research on Tropical Diseases, Ministry of Science and Technology, Shanghai 200025, China
| | - N Xiao
- National Institute of Parasitic Diseases, Chinese Center for Disease Control and Prevention (Chinese Center for Tropical Diseases Research), National Key Laboratory of Intelligent Tracking and Forecasting for Infectious Diseases, National Health Commission Key Laboratory on Parasite and Vector Biology, WHO Centre for Tropical Diseases, National Center for International Research on Tropical Diseases, Ministry of Science and Technology, Shanghai 200025, China
| | - Y Yang
- Tianzhu Tibetan Autonomous County Center for Disease Control and Prevention, Wuwei, Gansu 733200, China
| | - B Zhong
- Tianzhu Tibetan Autonomous County Center for Disease Control and Prevention, Wuwei, Gansu 733200, China
| | - C Fang
- Tianzhu Tibetan Autonomous County Center for Disease Control and Prevention, Wuwei, Gansu 733200, China
| | - G Kui
- Tianzhu Tibetan Autonomous County Center for Disease Control and Prevention, Wuwei, Gansu 733200, China
| | - Z Liu
- Gansu Center for Disease Control and Prevention, Lanzhou, Gansu 730000, China
| | - F Li
- Gansu Center for Disease Control and Prevention, Lanzhou, Gansu 730000, China
| | - S Yang
- National Institute of Parasitic Diseases, Chinese Center for Disease Control and Prevention (Chinese Center for Tropical Diseases Research), National Key Laboratory of Intelligent Tracking and Forecasting for Infectious Diseases, National Health Commission Key Laboratory on Parasite and Vector Biology, WHO Centre for Tropical Diseases, National Center for International Research on Tropical Diseases, Ministry of Science and Technology, Shanghai 200025, China
| | - Y Feng
- Gansu Center for Disease Control and Prevention, Lanzhou, Gansu 730000, China
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Li K, Cheng Y, Fang C. OsDWARF10, transcriptionally repressed by OsSPL3, regulates the nutritional metabolism of polished rice. Front Plant Sci 2023; 14:1322463. [PMID: 38130489 PMCID: PMC10733476 DOI: 10.3389/fpls.2023.1322463] [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: 10/16/2023] [Accepted: 11/21/2023] [Indexed: 12/23/2023]
Abstract
Strigolactone (SL) plays essential roles in plant development and the metabolism of rice leaves. However, the impact of SL on the accumulation of nutritional metabolites in polished rice, as well as the transcription factors directly involved in SL synthesis, remains elusive. In this study, we performed a metabolome analysis on polished rice samples from mutants of an SL biosynthetic gene, OsDWARF10 (OsD10). Compared with those in the wild type plants, primary and secondary metabolites exhibited a series of alterations in the d10 mutants. Notably, the d10 mutants showed a substantial increase in the amino acids and vitamins content. Through a yeast one-hybridization screening assay, we identified OsSPL3 as a transcription factor that binds to the OsD10 promoter, thereby inhibiting OsD10 transcription in vivo and in vitro. Furthermore, we conducted a metabolic profiling analysis in polished rice from plants that overexpressed OsSPL3 and observed enhanced levels of amino acids and vitamins. This study identified a novel transcriptional repressor of the SL biosynthetic gene and elucidated the regulatory roles of OsSPL3 and OsD10 on the accumulation of nutritional metabolites in polished rice.
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Affiliation(s)
- Kang Li
- Hainan Yazhou Bay Seed Laboratory, Scool of Breeding and Multiplication (Sanya Institute of Breeding and Multiplication), Hainan University, Sanya, China
- School of Tropical Agriculture and Forestry, Hainan University, Haikou, China
| | - Yan Cheng
- School of Tropical Agriculture and Forestry, Hainan University, Haikou, China
| | - Chuanying Fang
- Hainan Yazhou Bay Seed Laboratory, Scool of Breeding and Multiplication (Sanya Institute of Breeding and Multiplication), Hainan University, Sanya, China
- School of Tropical Agriculture and Forestry, Hainan University, Haikou, China
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Zatybekov A, Abugalieva S, Didorenko S, Rsaliyev A, Maulenbay A, Fang C, Turuspekov Y. Genome-wide association study for charcoal rot resistance in soybean harvested in Kazakhstan. Vavilovskii Zhurnal Genet Selektsii 2023; 27:565-571. [PMID: 37965372 PMCID: PMC10641079 DOI: 10.18699/vjgb-23-68] [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] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2023] [Revised: 07/11/2023] [Accepted: 07/24/2023] [Indexed: 11/16/2023] Open
Abstract
Charcoal rot (CR) caused by the fungal pathogen Macrophomina phaseolina is a devastating disease affecting soybean (Glycine max (L.) Merrill.) worldwide. Identifying the genetic factors associated with resistance to charcoal rot is crucial for developing disease-resistant soybean cultivars. In this research, we conducted a genome-wide association study (GWAS) using different models and genotypic data to unravel the genetic determinants underlying soybean resistance to сharcoal rot. The study relied on a panel of 252 soybean accessions, comprising commercial cultivars and breeding lines, to capture genetic variations associated with resistance. The phenotypic evaluation was performed under natural conditions during the 2021-2022 period. Disease severity and survival rates were recorded to quantify the resistance levels in the accessions. Genotypic data consisted of two sets: the results of genotyping using the Illumina iSelect 6K SNP (single-nucleotide polymorphism) array and the results of whole-genome resequencing. The GWAS was conducted using four different models (MLM, MLMM, FarmCPU, and BLINK) based on the GAPIT platform. As a result, SNP markers of 11 quantitative trait loci associated with CR resistance were identified. Candidate genes within the identified genomic regions were explored for their functional annotations and potential roles in plant defense responses. The findings from this study may further contribute to the development of molecular breeding strategies for enhancing CR resistance in soybean cultivars. Marker-assisted selection can be efficiently employed to accelerate the breeding process, enabling the development of cultivars with improved resistance to сharcoal rot. Ultimately, deploying resistant cultivars may significantly reduce yield losses and enhance the sustainability of soybean production, benefiting farmers and ensuring a stable supply of this valuable crop.
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Affiliation(s)
- A Zatybekov
- Institute of Plant Biology and Biotechnology, Almaty, Kazakhstan
| | - S Abugalieva
- Institute of Plant Biology and Biotechnology, Almaty, Kazakhstan
| | - S Didorenko
- Kazakh Research Institute of Agriculture and Plant Growing, Almalybak, Almaty Region, Kazakhstan
| | - A Rsaliyev
- Research Institute for Biological Safety Problems, Gvardeiskiy (Otar), Zhambyl Region, Kazakhstan
| | - A Maulenbay
- Research Institute for Biological Safety Problems, Gvardeiskiy (Otar), Zhambyl Region, Kazakhstan
| | - C Fang
- School of Life Sciences, Guangzhou University, Guangzhou, China
| | - Y Turuspekov
- Institute of Plant Biology and Biotechnology, Almaty, Kazakhstan
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Wu Z, Guo Z, Wang K, Wang R, Fang C. Comparative Metabolomic Analysis Reveals the Role of OsHPL1 in the Cold-Induced Metabolic Changes in Rice. Plants (Basel) 2023; 12:2032. [PMID: 37653948 PMCID: PMC10221390 DOI: 10.3390/plants12102032] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/18/2023] [Revised: 05/16/2023] [Accepted: 05/17/2023] [Indexed: 06/28/2023]
Abstract
Cytochrome P450 (CYP74) family members participate in the generation of oxylipins and play essential roles in plant adaptation. However, the metabolic reprogramming mediated by CYP74s under cold stress remains largely unexplored. Herein, we report how cold-triggered OsHPL1, a member of the CYP74 family, modulates rice metabolism. Cold stress significantly induced the expression of OsHPL1 and the accumulation of OPDA (12-oxo-phytodienoic acid) and jasmonates in the wild-type (WT) plants. The absence of OsHPL1 attenuates OPDA accumulation to a low temperature. Then, we performed a widely targeted metabolomics study covering 597 structurally annotated compounds. In the WT and hpl1 plants, cold stress remodeled the metabolism of lipids and amino acids. Although the WT and hpl1 mutants shared over one hundred cold-affected differentially accumulated metabolites (DAMs), some displayed distinct cold-responding patterns. Furthermore, we identified 114 and 56 cold-responding DAMs, specifically in the WT and hpl1 mutants. In conclusion, our work characterized cold-triggered metabolic rewiring and the metabolic role of OsHPL1 in rice.
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Affiliation(s)
- Ziwei Wu
- Sanya Nanfan Research Institute, Hainan University, Sanya 572025, China
- School of Tropical Crops, Hainan University, Haikou 570288, China
| | - Zhiyu Guo
- School of Tropical Crops, Hainan University, Haikou 570288, China
| | - Kemiao Wang
- Sanya Nanfan Research Institute, Hainan University, Sanya 572025, China
- School of Tropical Crops, Hainan University, Haikou 570288, China
| | - Rui Wang
- Sanya Nanfan Research Institute, Hainan University, Sanya 572025, China
- School of Tropical Crops, Hainan University, Haikou 570288, China
| | - Chuanying Fang
- Sanya Nanfan Research Institute, Hainan University, Sanya 572025, China
- School of Tropical Crops, Hainan University, Haikou 570288, China
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Lu Y, Wang R, Hu T, He Q, Chen ZS, Wang J, Liu L, Fang C, Luo J, Fu L, Yu L, Liu Q. Nondestructive 3D phenotyping method of passion fruit based on X-ray micro-computed tomography and deep learning. Front Plant Sci 2023; 13:1087904. [PMID: 36714758 PMCID: PMC9878569 DOI: 10.3389/fpls.2022.1087904] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/02/2022] [Accepted: 12/28/2022] [Indexed: 06/18/2023]
Abstract
Passion fruit is a tropical liana of the Passiflora family that is commonly planted throughout the world due to its abundance of nutrients and industrial value. Researchers are committed to exploring the relationship between phenotype and genotype to promote the improvement of passion fruit varieties. However, the traditional manual phenotyping methods have shortcomings in accuracy, objectivity, and measurement efficiency when obtaining large quantities of personal data on passion fruit, especially internal organization data. This study selected samples of passion fruit from three widely grown cultivars, which differed significantly in fruit shape, size, and other morphological traits. A Micro-CT system was developed to perform fully automated nondestructive imaging of the samples to obtain 3D models of passion fruit. A designed label generation method and segmentation method based on U-Net model were used to distinguish different tissues in the samples. Finally, fourteen traits, including fruit volume, surface area, length and width, sarcocarp volume, pericarp thickness, and traits of fruit type, were automatically calculated. The experimental results show that the segmentation accuracy of the deep learning model reaches more than 0.95. Compared with the manual measurements, the mean absolute percentage error of the fruit width and length measurements by the Micro-CT system was 1.94% and 2.89%, respectively, and the squares of the correlation coefficients were 0.96 and 0.93. It shows that the measurement accuracy of external traits of passion fruit is comparable to manual operations, and the measurement of internal traits is more reliable because of the nondestructive characteristics of our method. According to the statistical data of the whole samples, the Pearson analysis method was used, and the results indicated specific correlations among fourteen phenotypic traits of passion fruit. At the same time, the results of the principal component analysis illustrated that the comprehensive quality of passion fruit could be scored using this method, which will help to screen for high-quality passion fruit samples with large sizes and high sarcocarp content. The results of this study will firstly provide a nondestructive method for more accurate and efficient automatic acquisition of comprehensive phenotypic traits of passion fruit and have the potential to be extended to more fruit crops. The preliminary study of the correlation between the characteristics of passion fruit can also provide a particular reference value for molecular breeding and comprehensive quality evaluation.
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Affiliation(s)
- Yuwei Lu
- Britton Chance Center for Biomedical Photonics, Wuhan National Laboratory for Optoelectronics-Huazhong University of Science and Technology, Wuhan, Hubei, China
- MoE Key Laboratory for Biomedical Photonics, Huazhong University of Science and Technology, Wuhan, Hubei, China
| | - Rui Wang
- College of Tropical Crops, Hainan University, Haikou, China
| | - Tianyu Hu
- Britton Chance Center for Biomedical Photonics, Wuhan National Laboratory for Optoelectronics-Huazhong University of Science and Technology, Wuhan, Hubei, China
- MoE Key Laboratory for Biomedical Photonics, Huazhong University of Science and Technology, Wuhan, Hubei, China
| | - Qiang He
- School of Biomedical Engineering, Hainan University, Haikou, China
| | - Zhou Shuai Chen
- School of Biomedical Engineering, Hainan University, Haikou, China
| | - Jinhu Wang
- School of Biomedical Engineering, Hainan University, Haikou, China
| | - Lingbo Liu
- Britton Chance Center for Biomedical Photonics, Wuhan National Laboratory for Optoelectronics-Huazhong University of Science and Technology, Wuhan, Hubei, China
- MoE Key Laboratory for Biomedical Photonics, Huazhong University of Science and Technology, Wuhan, Hubei, China
| | - Chuanying Fang
- College of Tropical Crops, Hainan University, Haikou, China
- Sanya Institute of China Agricultural University, Sanya, China
| | - Jie Luo
- College of Tropical Crops, Hainan University, Haikou, China
- Sanya Institute of China Agricultural University, Sanya, China
| | - Ling Fu
- Britton Chance Center for Biomedical Photonics, Wuhan National Laboratory for Optoelectronics-Huazhong University of Science and Technology, Wuhan, Hubei, China
- MoE Key Laboratory for Biomedical Photonics, Huazhong University of Science and Technology, Wuhan, Hubei, China
- School of Biomedical Engineering, Hainan University, Haikou, China
| | - Lejun Yu
- School of Biomedical Engineering, Hainan University, Haikou, China
| | - Qian Liu
- Britton Chance Center for Biomedical Photonics, Wuhan National Laboratory for Optoelectronics-Huazhong University of Science and Technology, Wuhan, Hubei, China
- MoE Key Laboratory for Biomedical Photonics, Huazhong University of Science and Technology, Wuhan, Hubei, China
- School of Biomedical Engineering, Hainan University, Haikou, China
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Fang C, Tang ZH, Yeoh CS, Tan GM. A Case Series of Bosworth Fracture-Dislocations and Review of 129 Reported Cases. Malays Orthop J 2022; 16:76-85. [PMID: 36589382 PMCID: PMC9791907 DOI: 10.5704/moj.2211.013] [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] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2021] [Accepted: 01/12/2022] [Indexed: 12/13/2022] Open
Abstract
Introduction Bosworth fracture dislocations of the ankle are rare injuries of the ankle caused by extreme external rotation of the supinated foot where the proximal fibula fracture fragment is posteriorly dislocated and entrapped behind the posterior-lateral ridge of the tibia. This case series aims to document three such cases treated in our institution over a nine year period. We also provide a review of 129 cases in the existing literature. Materials and methods Medical records and relevant radiographs for each patient were analysed and collected from the time of presentation till the point of latest follow-up. During each clinic visit, all physical exam findings as well as all complications were recorded. The American Foot and Ankle Society (AOFAS) Hindfoot score was also tabulated for each patient at the point of latest review. Results Closed reduction was unsuccessful in all three patients, and all required open reduction. One patient had an uncomplicated recovery whilst the remaining two suffered significant soft tissue complications. One patient suffered severe soft tissue swelling preventing primary closure at the time of surgery, whilst another suffered post-operative wound dehiscence and infection. Eventually all fractures healed, and all three patients obtained satisfactory AOFAS scores. Conclusion The diagnosis of Bosworth fracture dislocations of the ankle is often delayed or missed, due to its rare occurrence. Closed reduction is often unsuccessful, and early open reduction is required to avoid poor clinical outcomes due to severe soft tissue damage or even compartment syndrome.
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Affiliation(s)
- C Fang
- Department of Orthopaedic Surgery, Khoo Teck Puat Hospital, Singapore,Corresponding Author: Christopher Fang, Department of Orthopaedic Surgery, National Healthcare Group, Singapore
| | - ZH Tang
- Department of Orthopaedic Surgery, Khoo Teck Puat Hospital, Singapore
| | - CS Yeoh
- Department of Orthopaedic Surgery, Khoo Teck Puat Hospital, Singapore
| | - GM Tan
- Department of Orthopaedic Surgery, Khoo Teck Puat Hospital, Singapore
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10
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Liu J, Fang C, Zhou Q, He L, Yu J, Li Y, Feng M, Pan M, Zhao L, Tang D, Li X, Tan B, An R, Zheng X, Si M, Zhang B, Li L, Kang X. 179O A phase II, open-label, single-arm study of QL1604 plus paclitaxel-cisplatin/carboplatin as first-line treatment in patients with recurrent or metastatic cervical cancer. Ann Oncol 2022. [DOI: 10.1016/j.annonc.2022.10.215] [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: 12/07/2022] Open
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11
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Li Y, Yang Z, Yang C, Liu Z, Shen S, Zhan C, Lyu Y, Zhang F, Li K, Shi Y, Zhou J, Liu X, Fang C, Fernie AR, Li J, Luo J. The NET locus determines the food taste, cooking and nutrition quality of rice. Sci Bull (Beijing) 2022; 67:2045-2049. [PMID: 36546101 DOI: 10.1016/j.scib.2022.09.023] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2022] [Revised: 08/24/2022] [Accepted: 09/13/2022] [Indexed: 01/07/2023]
Affiliation(s)
- Yufei Li
- National Key Laboratory of Crop Genetic Improvement and National Center of Plant Gene Research (Wuhan), Huazhong Agricultural University, Wuhan 430070, China
| | - Zhuang Yang
- Sanya Nanfan Research Institute of Hainan University, Hainan Yazhou Bay Seed Laboratory, Sanya 572025, China; College of Tropical Crops, Hainan University, Haikou 570228, China
| | - Chenkun Yang
- Sanya Nanfan Research Institute of Hainan University, Hainan Yazhou Bay Seed Laboratory, Sanya 572025, China; College of Tropical Crops, Hainan University, Haikou 570228, China
| | - Zhenhuan Liu
- Sanya Nanfan Research Institute of Hainan University, Hainan Yazhou Bay Seed Laboratory, Sanya 572025, China; College of Tropical Crops, Hainan University, Haikou 570228, China
| | - Shuangqian Shen
- Sanya Nanfan Research Institute of Hainan University, Hainan Yazhou Bay Seed Laboratory, Sanya 572025, China; College of Tropical Crops, Hainan University, Haikou 570228, China
| | - Chuansong Zhan
- Sanya Nanfan Research Institute of Hainan University, Hainan Yazhou Bay Seed Laboratory, Sanya 572025, China; College of Tropical Crops, Hainan University, Haikou 570228, China
| | - Yuanyuan Lyu
- Sanya Nanfan Research Institute of Hainan University, Hainan Yazhou Bay Seed Laboratory, Sanya 572025, China; College of Tropical Crops, Hainan University, Haikou 570228, China
| | - Feng Zhang
- National Key Laboratory of Crop Genetic Improvement and National Center of Plant Gene Research (Wuhan), Huazhong Agricultural University, Wuhan 430070, China
| | - Kang Li
- Sanya Nanfan Research Institute of Hainan University, Hainan Yazhou Bay Seed Laboratory, Sanya 572025, China; College of Tropical Crops, Hainan University, Haikou 570228, China
| | - Yuheng Shi
- Sanya Nanfan Research Institute of Hainan University, Hainan Yazhou Bay Seed Laboratory, Sanya 572025, China; College of Tropical Crops, Hainan University, Haikou 570228, China
| | - Junjie Zhou
- Sanya Nanfan Research Institute of Hainan University, Hainan Yazhou Bay Seed Laboratory, Sanya 572025, China; College of Tropical Crops, Hainan University, Haikou 570228, China
| | - Xianqing Liu
- Sanya Nanfan Research Institute of Hainan University, Hainan Yazhou Bay Seed Laboratory, Sanya 572025, China; College of Tropical Crops, Hainan University, Haikou 570228, China
| | - Chuanying Fang
- Sanya Nanfan Research Institute of Hainan University, Hainan Yazhou Bay Seed Laboratory, Sanya 572025, China; College of Tropical Crops, Hainan University, Haikou 570228, China
| | - Alisdair R Fernie
- Max Planck Institute of Molecular Plant Physiology, Potsdam-Golm 14476, Germany
| | - Jie Li
- John Innes Centre, Norwich Research Park, Norwich NR47UH, United Kingdom
| | - Jie Luo
- Sanya Nanfan Research Institute of Hainan University, Hainan Yazhou Bay Seed Laboratory, Sanya 572025, China; College of Tropical Crops, Hainan University, Haikou 570228, China.
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12
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Zhou J, Liu C, Chen Q, Liu L, Niu S, Chen R, Li K, Sun Y, Shi Y, Yang C, Shen S, Li Y, Xing J, Yuan H, Liu X, Fang C, Fernie AR, Luo J. Integration of rhythmic metabolome and transcriptome provides insights into the transmission of rhythmic fluctuations and temporal diversity of metabolism in rice. Sci China Life Sci 2022; 65:1794-1810. [PMID: 35287184 DOI: 10.1007/s11427-021-2064-7] [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] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/14/2021] [Accepted: 01/14/2022] [Indexed: 06/14/2023]
Abstract
Various aspects of the organisms adapt to cyclically changing environmental conditions via transcriptional regulation. However, the role of rhythmicity in altering the global aspects of metabolism is poorly characterized. Here, we subjected four rice (Oryza sativa) varieties to a range of metabolic profiles and RNA-seq to investigate the temporal relationships of rhythm between transcription and metabolism. More than 40% of the rhythmic genes and a quarter of metabolites conservatively oscillated across four rice accessions. Compared with the metabolome, the transcriptome was more strongly regulated by rhythm; however, the rhythm of metabolites had an obvious opposite trend between day and night. Through association analysis, the time delay of rhythmic transmission from the transcript to the metabolite level was ∼4 h under long-day conditions, although the transmission was nearly synchronous for carbohydrate and nucleotide metabolism. The rhythmic accumulation of metabolites maintained highly coordinated temporal relationships in the metabolic network, whereas the correlation of some rhythmic metabolites, such as branched-chain amino acids (BCAAs), was significantly different intervariety. We further demonstrated that the cumulative diversity of BCAAs was due to the differential expression of branched-chain aminotransferase 2 at dawn. Our research reveals the flexible pattern of rice metabolic rhythm existing with conservation and diversity.
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Affiliation(s)
- Junjie Zhou
- College of Tropical Crops, Hainan University, Haikou, 570288, China
| | - Chengyuan Liu
- College of Tropical Crops, Hainan University, Haikou, 570288, China
| | - Qiyu Chen
- College of Tropical Crops, Hainan University, Haikou, 570288, China
| | - Ling Liu
- College of Tropical Crops, Hainan University, Haikou, 570288, China
| | - Shuying Niu
- College of Tropical Crops, Hainan University, Haikou, 570288, China
| | - Ridong Chen
- College of Tropical Crops, Hainan University, Haikou, 570288, China
| | - Kang Li
- College of Tropical Crops, Hainan University, Haikou, 570288, China
- Hainan Yazhou Bay Seed Laboratory, Sanya Nanfan Research Institute of Hainan University, Sanya, 572025, China
| | - Yangyang Sun
- College of Tropical Crops, Hainan University, Haikou, 570288, China
- Hainan Yazhou Bay Seed Laboratory, Sanya Nanfan Research Institute of Hainan University, Sanya, 572025, China
| | - Yuheng Shi
- College of Tropical Crops, Hainan University, Haikou, 570288, China
- Hainan Yazhou Bay Seed Laboratory, Sanya Nanfan Research Institute of Hainan University, Sanya, 572025, China
| | - Chenkun Yang
- National Key Laboratory of Crop Genetic Improvement and National Center of Plant Gene Research (Wuhan), Huazhong Agricultural University, Wuhan, 430070, China
| | - Shuangqian Shen
- National Key Laboratory of Crop Genetic Improvement and National Center of Plant Gene Research (Wuhan), Huazhong Agricultural University, Wuhan, 430070, China
| | - Yufei Li
- National Key Laboratory of Crop Genetic Improvement and National Center of Plant Gene Research (Wuhan), Huazhong Agricultural University, Wuhan, 430070, China
| | - Junwei Xing
- College of Tropical Crops, Hainan University, Haikou, 570288, China
| | - Honglun Yuan
- College of Tropical Crops, Hainan University, Haikou, 570288, China
| | - Xianqing Liu
- College of Tropical Crops, Hainan University, Haikou, 570288, China
| | - Chuanying Fang
- College of Tropical Crops, Hainan University, Haikou, 570288, China
| | - Alisdair R Fernie
- Max-Planck-Institute of Molecular Plant Physiology, Potsdam-Golm, 144776, Germany
- Center of Plant System Biology and Biotechnology, Plovdiv, 4000, Bulgaria
| | - Jie Luo
- College of Tropical Crops, Hainan University, Haikou, 570288, China.
- National Key Laboratory of Crop Genetic Improvement and National Center of Plant Gene Research (Wuhan), Huazhong Agricultural University, Wuhan, 430070, China.
- Hainan Yazhou Bay Seed Laboratory, Sanya Nanfan Research Institute of Hainan University, Sanya, 572025, China.
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13
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Liu L, Li K, Zhou X, Fang C. Integrative Analysis of Metabolome and Transcriptome Reveals the Role of Strigolactones in Wounding-Induced Rice Metabolic Re-Programming. Metabolites 2022; 12:metabo12090789. [PMID: 36144193 PMCID: PMC9501228 DOI: 10.3390/metabo12090789] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2022] [Revised: 08/22/2022] [Accepted: 08/24/2022] [Indexed: 11/16/2022] Open
Abstract
Plants have evolved mechanisms to adapt to wounding, a threat occurring separately or concomitantly with other stresses. During the last decades, many efforts have been made to elucidate the wounding signaling transduction. However, we know little about the metabolic re-programming under wounding, let alone whether and how strigolactones (SLs) participate in this progress. Here, we reported a metabolomic and transcriptomic analysis of SLs synthetic and signal mutants in rice before and after wounding. A series of metabolites differentially responded to wounding in the SLs mutants and wild-type rice, among which flavones were enriched. Besides, the SLs mutants accumulated more jasmonic acid (JA) and jasmonyl isoleucine (JA-lle) than the wild-type rice after wounding, suggesting an interplay of SLs and JAs during responding to wounding. Further transcriptome data showed that cell wall, ethylene, and flavones pathways might be affected by wounding and SLs. In addition, we identified candidate genes regulated by SLs and responding to wounding. In conclusion, our work provides new insights into wounding-induced metabolic re-programming and the SLs’ function.
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Affiliation(s)
- Ling Liu
- Sanya Nanfan Research Institute of Hainan University Hainan, Yazhou Bay Seed Laboratory, Sanya 572025, China
- College of Tropical Crops, Hainan University, Haikou 570288, China
| | - Kang Li
- Sanya Nanfan Research Institute of Hainan University Hainan, Yazhou Bay Seed Laboratory, Sanya 572025, China
- College of Tropical Crops, Hainan University, Haikou 570288, China
| | - Xiujuan Zhou
- College of Tropical Crops, Hainan University, Haikou 570288, China
| | - Chuanying Fang
- Sanya Nanfan Research Institute of Hainan University Hainan, Yazhou Bay Seed Laboratory, Sanya 572025, China
- College of Tropical Crops, Hainan University, Haikou 570288, China
- Correspondence:
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14
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Fang C, Yang LJ, Chen XJ, Li DM, Li DX, Liang LT, Lu ZN, Li Q. A clinical investigation into the usefulness of fractional exhaled nitric oxide in guiding glucocorticoid therapy in children with bronchial asthma. J Physiol Pharmacol 2022; 73. [PMID: 36696246 DOI: 10.26402/jpp.2022.4.09] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Subscribe] [Scholar Register] [Received: 06/21/2022] [Accepted: 08/30/2022] [Indexed: 01/26/2023]
Abstract
The present study aims to investigate the value of fractional exhaled nitric oxide (FeNO) combined with pulmonary function in guiding the dose adjustment of inhaled glucocorticosteroids (ICSs) in children with asthma. A total of 133 children aged 6-12 years with newly diagnosed asthma were enrolled as the study subjects and randomly divided into the experimental group (n=68) and the control group (n=65). After three months of ICS treatment, in the experimental group, the dose of ICSs was adjusted based on the control status of the children and the results of the pulmonary function tests and FeNO assays, and in the control group, the dose was adjusted based on the control status of the children and the results of the pulmonary function tests. After another three months of treatment, the number of acute asthma attacks and the Childhood Asthma Control Test (C-ACT) scores were compared between the two groups, and the outcome of pulmonary function tests and FeNO assays during treatment were analyzed. When examining pulmonary function and FeNO levels, when compared with before treatment, there were no statistically significant differences in either group or between the groups after three months of ICS treatment (P>0.05). After dose adjustment and another three months of treatment, when compared with the control group, the improvement in pulmonary function in the experimental group was greater, the reduction in FeNO levels was greater, the incidence of acute asthma attacks was lower, and the C-ACT score was higher (P<0.05). We concluded that the combination of FeNO assays and pulmonary function tests to guide the ICS dose adjustment in children with asthma could improve asthma control and reduce the risk of acute asthma attacks.
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Affiliation(s)
- C Fang
- Department of Pediatrics, Affiliated Hospital of Youjiang Medical University for Nationalities, Baise, Guangxi, China.,Department of Pediatrics, The First People's Hospital of Neijiang, Neijiang, Sichuan, China
| | | | - X-J Chen
- Department of Pediatrics, Affiliated Hospital of Youjiang Medical University for Nationalities, Baise, Guangxi, China
| | - D-M Li
- Department of Pediatrics, Affiliated Hospital of Youjiang Medical University for Nationalities, Baise, Guangxi, China
| | - D-X Li
- Department of Pediatrics, Affiliated Hospital of Youjiang Medical University for Nationalities, Baise, Guangxi, China
| | - L-T Liang
- Department of Pediatrics, Affiliated Hospital of Youjiang Medical University for Nationalities, Baise, Guangxi, China
| | - Z-N Lu
- Department of Pediatrics, Affiliated Hospital of Youjiang Medical University for Nationalities, Baise, Guangxi, China
| | - Q Li
- Department of Pediatrics, Affiliated Hospital of Youjiang Medical University for Nationalities, Baise, Guangxi, China.
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15
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Stovin C, Robbie H, Fang C, Norton S, Bedford J, Perrin F, Waller M. P104 Exploring the value of annual chest radiographs in people with cystic fibrosis: an observational study from a single UK centre. J Cyst Fibros 2022. [DOI: 10.1016/s1569-1993(22)00437-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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16
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Zuo K, Zhang J, Fang C, Wang YX, Liu LF, Liu Y, Liu Z, Wang YJ, Shi L, Tian Y, Yin XD, Liu XP, Liu XQ, Zhong JC, Li KB, Li J, Yang XC. [Metagenomic data-analysis reveals enrichment of lipopolysaccharide synthesis in the gut microbiota of atrial fibrillation patients]. Zhonghua Xin Xue Guan Bing Za Zhi 2022; 50:249-256. [PMID: 35340143 DOI: 10.3760/cma.j.cn112148-20210106-00015] [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] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
Objective: To investigate the functional changes of key gut microbiota (GM) that produce lipopolysaccharide (LPS) in atrial fibrillation (AF) patients and to explore their potential role in the pathogenesis of AF. Methods: This was a prospective cross-sectional study. Patients with AF admitted to Beijing Chaoyang Hospital of Capital Medical University were enrolled from March 2016 to December 2018. Subjects with matched genetic backgrounds undergoing physical examination during the same period were selected as controls. Clinical baseline data and fecal samples were collected. Bacterial DNA was extracted and metagenomic sequencing was performed by using Illumina Novaseq. Based on metagenomic data, the relative abundances of KEGG Orthology (KO), enzymatic genes and species that harbored enzymatic genes were acquired. The key features were selected via the least absolute shrinkage and selection operator (LASSO) analysis. The role of GM-derived LPS biosynthetic feature in the development of AF was assessed by receiver operating characteristic (ROC) curve, partial least squares structural equation modeling (PLS-SEM) and logistic regression analysis. Results: Fifty nonvalvular AF patients (mean age: 66.0 (57.0, 71.3), 32 males(64%)) were enrolled as AF group. Fifty individuals (mean age 55.0 (50.5, 57.5), 41 males(82%)) were recruited as controls. Compared with the controls, AF patients showed a marked difference in the GM genes underlying LPS-biosynthesis, including 20 potential LPS-synthesis KO, 7 LPS-biosynthesis enzymatic genes and 89 species that were assigned as taxa harbored nine LPS-enzymatic genes. LASSO regression analysis showed that 5 KO, 3 enzymatic genes and 9 species could be selected to construct the KO, enzyme and species scoring system. Genes enriched in AF group included 2 KO (K02851 and K00972), 3 enzymatic genes (LpxH, LpxC and LpxK) and 7 species (Intestinibacter bartlettii、Ruminococcus sp. JC304、Coprococcus catus、uncultured Eubacterium sp.、Eubacterium sp. CAG:251、Anaerostipes hadrus、Dorea longicatena). ROC curve analysis revealed the predictive capacity of differential GM-derived LPS signatures to distinguish AF patients in terms of above KO, enzymatic and species scores: area under curve (AUC)=0.957, 95%CI: 0.918-0.995, AUC=0.940, 95%CI 0.889-0.991, AUC=0.972, 95%CI 0.948-0.997. PLS-SEM showed that changes in lipopolysaccharide-producing bacteria could be involved in the pathogenesis of AF. The key KO mediated 35.17% of the total effect of key bacteria on AF. After incorporating the clinical factors of AF, the KO score was positively associated with the significantly increased risk of AF (OR<0.001, 95%CI:<0.001-0.021, P<0.001). Conclusion: Microbes involved in LPS synthesis are enriched in the gut of AF patients, accompanied with up-regulated LPS synthesis function by encoding the LPS-enzymatic biosynthesis gene.
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Affiliation(s)
- K Zuo
- Heart Center & Beijing Key Laboratory of Hypertension, Beijing Chaoyang Hospital, Capital Medical University, Beijing 100020, China
| | - J Zhang
- Heart Center & Beijing Key Laboratory of Hypertension, Beijing Chaoyang Hospital, Capital Medical University, Beijing 100020, China
| | - C Fang
- Heart Center & Beijing Key Laboratory of Hypertension, Beijing Chaoyang Hospital, Capital Medical University, Beijing 100020, China
| | - Y X Wang
- Heart Center & Beijing Key Laboratory of Hypertension, Beijing Chaoyang Hospital, Capital Medical University, Beijing 100020, China
| | - L F Liu
- Heart Center & Beijing Key Laboratory of Hypertension, Beijing Chaoyang Hospital, Capital Medical University, Beijing 100020, China
| | - Y Liu
- Heart Center & Beijing Key Laboratory of Hypertension, Beijing Chaoyang Hospital, Capital Medical University, Beijing 100020, China
| | - Z Liu
- Heart Center & Beijing Key Laboratory of Hypertension, Beijing Chaoyang Hospital, Capital Medical University, Beijing 100020, China
| | - Y J Wang
- Heart Center & Beijing Key Laboratory of Hypertension, Beijing Chaoyang Hospital, Capital Medical University, Beijing 100020, China
| | - L Shi
- Heart Center & Beijing Key Laboratory of Hypertension, Beijing Chaoyang Hospital, Capital Medical University, Beijing 100020, China
| | - Y Tian
- Heart Center & Beijing Key Laboratory of Hypertension, Beijing Chaoyang Hospital, Capital Medical University, Beijing 100020, China
| | - X D Yin
- Heart Center & Beijing Key Laboratory of Hypertension, Beijing Chaoyang Hospital, Capital Medical University, Beijing 100020, China
| | - X P Liu
- Heart Center & Beijing Key Laboratory of Hypertension, Beijing Chaoyang Hospital, Capital Medical University, Beijing 100020, China
| | - X Q Liu
- Heart Center & Beijing Key Laboratory of Hypertension, Beijing Chaoyang Hospital, Capital Medical University, Beijing 100020, China
| | - J C Zhong
- Heart Center & Beijing Key Laboratory of Hypertension, Beijing Chaoyang Hospital, Capital Medical University, Beijing 100020, China
| | - K B Li
- Heart Center & Beijing Key Laboratory of Hypertension, Beijing Chaoyang Hospital, Capital Medical University, Beijing 100020, China
| | - J Li
- Heart Center & Beijing Key Laboratory of Hypertension, Beijing Chaoyang Hospital, Capital Medical University, Beijing 100020, China
| | - X C Yang
- Heart Center & Beijing Key Laboratory of Hypertension, Beijing Chaoyang Hospital, Capital Medical University, Beijing 100020, China
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Yuan H, Cao G, Hou X, Huang M, Du P, Tan T, Zhang Y, Zhou H, Liu X, Liu L, Jiangfang Y, Li Y, Liu Z, Fang C, Zhao L, Fernie AR, Luo J. Development of a widely targeted volatilomics method for profiling volatilomes in plants. Mol Plant 2022; 15:189-202. [PMID: 34509640 DOI: 10.1016/j.molp.2021.09.003] [Citation(s) in RCA: 29] [Impact Index Per Article: 14.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/11/2021] [Revised: 08/22/2021] [Accepted: 09/09/2021] [Indexed: 05/26/2023]
Abstract
Volatile organic compounds play essential roles in plant environment interactions as well as determining the fragrance of plants. Although gas chromatography-mass spectrometry-based untargeted metabolomics is commonly used to assess plant volatiles, it suffers from high spectral convolution, low detection sensitivity, a limited number of annotated metabolites, and relatively poor reproducibility. Here, we report a widely targeted volatilomics (WTV) method that involves using a "targeted spectra extraction" algorithm to address spectral convolution, constructing a high-coverage MS2 spectral tag library to expand volatile annotation, adapting a multiple reaction monitoring mode to improve sensitivity, and using regression models to adjust for signal drift. The newly developed method was used to profile the volatilome of rice grains. Compared with the untargeted method, the newly developed WTV method shows higher sensitivity (for example, the signal-to-noise ratio of guaicol increased from 4.1 to 18.8), high annotation coverage (the number of annotated volatiles increased from 43 to 132), and better reproducibility (the number of volatiles in quality control samples with relative standard deviation value below 30.0% increased from 14 to 92 after normalization). Using the WTV method, we studied the metabolic responses of tomato to environmental stimuli and profiled the volatilomes of different rice accessions. The results identified benzothiazole as a potential airborne signal priming tomato plants for enhanced defense and 2-nonanone and 2-heptanone as novel aromatic compounds contributing to rice fragrance. These case studies suggest that the widely targeted volatilomics method is more efficient than those currently used and may considerably promote plant volatilomics studies.
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Affiliation(s)
- Honglun Yuan
- College of Tropical Crops, Hainan University, Haikou 570288, China; Sanya Nanfan Research Institute of Hainan University, Hainan Yazhou Bay Seed Laboratory, Sanya, 572025, China
| | - Guangping Cao
- College of Tropical Crops, Hainan University, Haikou 570288, China; Sanya Nanfan Research Institute of Hainan University, Hainan Yazhou Bay Seed Laboratory, Sanya, 572025, China
| | - Xiaodong Hou
- College of Chemistry and Environmental Engineering, Shenzhen University, Shenzhen 518060, China
| | - Menglan Huang
- College of Tropical Crops, Hainan University, Haikou 570288, China; Sanya Nanfan Research Institute of Hainan University, Hainan Yazhou Bay Seed Laboratory, Sanya, 572025, China
| | - Pengmeng Du
- College of Tropical Crops, Hainan University, Haikou 570288, China; Sanya Nanfan Research Institute of Hainan University, Hainan Yazhou Bay Seed Laboratory, Sanya, 572025, China
| | - Tingting Tan
- College of Tropical Crops, Hainan University, Haikou 570288, China; Sanya Nanfan Research Institute of Hainan University, Hainan Yazhou Bay Seed Laboratory, Sanya, 572025, China
| | - Youjin Zhang
- College of Tropical Crops, Hainan University, Haikou 570288, China; Sanya Nanfan Research Institute of Hainan University, Hainan Yazhou Bay Seed Laboratory, Sanya, 572025, China
| | - Haihong Zhou
- College of Tropical Crops, Hainan University, Haikou 570288, China; Sanya Nanfan Research Institute of Hainan University, Hainan Yazhou Bay Seed Laboratory, Sanya, 572025, China
| | - Xianqing Liu
- College of Tropical Crops, Hainan University, Haikou 570288, China; Sanya Nanfan Research Institute of Hainan University, Hainan Yazhou Bay Seed Laboratory, Sanya, 572025, China
| | - Ling Liu
- College of Tropical Crops, Hainan University, Haikou 570288, China; Sanya Nanfan Research Institute of Hainan University, Hainan Yazhou Bay Seed Laboratory, Sanya, 572025, China
| | - Yiding Jiangfang
- College of Tropical Crops, Hainan University, Haikou 570288, China; Sanya Nanfan Research Institute of Hainan University, Hainan Yazhou Bay Seed Laboratory, Sanya, 572025, China
| | - Yufei Li
- National Key Laboratory of Crop Genetic Improvement and National Center of Plant Gene Research (Wuhan), Huazhong Agricultural University, Wuhan 430070, China
| | - Zhenhuan Liu
- College of Tropical Crops, Hainan University, Haikou 570288, China; Sanya Nanfan Research Institute of Hainan University, Hainan Yazhou Bay Seed Laboratory, Sanya, 572025, China
| | - Chuanying Fang
- College of Tropical Crops, Hainan University, Haikou 570288, China; Sanya Nanfan Research Institute of Hainan University, Hainan Yazhou Bay Seed Laboratory, Sanya, 572025, China
| | - Liqing Zhao
- College of Chemistry and Environmental Engineering, Shenzhen University, Shenzhen 518060, China
| | - Alisdair R Fernie
- Department of Molecular Physiology, Max-Planck-Institute of Molecular Plant Physiology, Am Mühlenberg 1, 14476 Potsdam-Golm, Germany
| | - Jie Luo
- College of Tropical Crops, Hainan University, Haikou 570288, China; Sanya Nanfan Research Institute of Hainan University, Hainan Yazhou Bay Seed Laboratory, Sanya, 572025, China; National Key Laboratory of Crop Genetic Improvement and National Center of Plant Gene Research (Wuhan), Huazhong Agricultural University, Wuhan 430070, China.
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Fang C, Hernandez P, Liow K, Damiano E, Zetterberg H, Blennow K, Feng D, Chen M, Maccecchini M. Buntanetap, a Novel Translational Inhibitor of Multiple Neurotoxic Proteins, Proves to Be Safe and Promising in Both Alzheimer's and Parkinson's Patients. J Prev Alzheimers Dis 2022; 10:25-33. [PMID: 36641607 DOI: 10.14283/jpad.2022.84] [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] [Indexed: 01/16/2023]
Abstract
BACKGROUND Previously we reported the clinical safety and pharmacological activity of buntanetap (known as Posiphen or ANVS401) in healthy volunteers and mild cognitive impaired (MCI) patients (21). The data supported continued clinical evaluation of buntanetap for treating Alzheimer's Disease (AD). Neurodegenerative diseases such as AD and Parkinson's disease (PD) share several pathological manifestations, including increased levels of multiple neurotoxic protein aggregates. Therefore, a treatment strategy that targets toxic species common to both disorders can potentially provide better clinical outcomes than attacking one neurotoxic protein alone. To test this hypothesis, we recently completed a clinical study in early AD and early PD participants and report the data here. OBJECTIVES We evaluated safety, pharmacokinetics, biomarkers, and efficacy of buntanetap in treating early AD and PD patients. DESIGN Double-blind, placebo-controlled, multi-center study. SETTING 13 sites in the US participated in this clinical trial. The registration number is NCT04524351 at ClinicalTrials.gov. PARTICIPANTS 14 early AD patients and 54 early PD patients. INTERVENTION AD patients were given either 80mg buntanetap or placebo QD. PD patients were given 5mg, 10mg, 20mg, 40mg, 80mg buntanetap or placebo QD. MEASUREMENTS Primary endpoint is safety and tolerability; secondary endpoint is pharmacokinetics of buntanetap in plasma; exploratory endpoints are 1) biomarkers in cerebrospinal fluid (CSF) in both AD and PD patients 2) psychometric tests specific for AD (ADAS-Cogs and WAIS coding test) or PD (MDS-UPDRS and WAIS coding test). RESULTS Buntanetap was safe and well tolerated. Biomarker data indicated a trend in lowering levels of neurotoxic proteins and inflammatory factors and improving axonal integrity and synaptic function in both AD and PD cohorts. Psychometric tests showed statistically significant improvements in ADAS-Cog11 and WAIS coding in AD patients and MDS-UPDRS and WAIS coding in PD patients. CONCLUSIONS Buntanetap is well tolerated and safe at doses up to 80mg QD in both AD and PD patients. Cmax and AUC increase with dose without evidence for a plateau up to 80mg QD. The drug shows promising evidence in exploratory biomarker and efficacy measures. Further evaluation of buntanetap in larger, longer-term clinical trials for the treatment of AD and PD are warranted.
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Affiliation(s)
- C Fang
- Cheng Fang, 1055 Westlakes Dr #300, Annovis Bio, Berwyn, PA, USA phone # 610-727-3987
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Yiyuan Wu N, Yi Liu Z, Fang C. Zinc Finger Protein 582 Deoxyribonucleic Acid Methylation, an Emerging Epigenetic Site in Cervical Cancer. Indian J Pharm Sci 2022. [DOI: 10.36468/pharmaceutical-sciences.spl.487] [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: 11/22/2022] Open
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20
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Ma J, Zhang J, Yang Y, Zheng D, Wang X, Liang H, Zhang L, Xin Y, Ling X, Fang C, Jiang H, Meng H, Zheng W. 65P Camrelizumab combined with paclitaxel and nedaplatin as neoadjuvant therapy for locally advanced esophageal squamous cell carcinoma (ESPRIT): A phase II, single-arm, exploratory research. Ann Oncol 2021. [DOI: 10.1016/j.annonc.2021.10.083] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022] Open
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21
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Wei X, Fang C, Gong B, Yao J, Qian J, Lin Y. Viscoelasticity of 3D actin networks dictated by the mechanochemical characteristics of cross-linkers. Soft Matter 2021; 17:10177-10185. [PMID: 33646227 DOI: 10.1039/d0sm01558j] [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] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
In this study, we report a computational investigation on how the mechanochemical characteristics of crosslinking molecules influence the viscoelasticity of three dimensional F-actin networks, an issue of key interest in analyzing the behavior of living cells and biological gels. In particular, it was found that the continuous breakage and rebinding of cross-linkers result in a locally peaked loss modulus in the rheology spectrum of the network, reflecting the fact that maximum energy dissipation is achieved when the driving frequency of the applied oscillating shear becomes comparable to the dissociation/association rate of crosslinking molecules. In addition, we showed that when subjected to constant rate of shear, an actin network can exhibit either strain hardening or softening depending on the ratio between the loading rate and unbinding speed of cross-linkers. A criterion for predicting the transition from softening to hardening was also obtained, in agreement with recent experiments. Finally, significant structural evolution was found to occur in random networks undergoing mechanical "training" (i.e. under a constant applied shear stress over a period of time), eventually leading to a pronounced anisotropic response of the network afterward which again is consistent with experimental observations.
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Affiliation(s)
- X Wei
- Department of Mechanical Engineering, The University of Hong Kong, Hong Kong, China.
- HKU-Shenzhen Institute of Research and Innovation (HKU-SIRI), Guangdong, China
| | - C Fang
- Department of Mechanical Engineering, The University of Hong Kong, Hong Kong, China.
- HKU-Shenzhen Institute of Research and Innovation (HKU-SIRI), Guangdong, China
| | - B Gong
- Department of Engineering Mechanics, Key Laboratory of Soft Machines and Smart Devices of Zhejiang Province, Zhejiang University, Hangzhou, Zhejiang, China.
| | - J Yao
- Department of Mechanical Engineering, The University of Hong Kong, Hong Kong, China.
- HKU-Shenzhen Institute of Research and Innovation (HKU-SIRI), Guangdong, China
| | - J Qian
- Department of Engineering Mechanics, Key Laboratory of Soft Machines and Smart Devices of Zhejiang Province, Zhejiang University, Hangzhou, Zhejiang, China.
| | - Y Lin
- Department of Mechanical Engineering, The University of Hong Kong, Hong Kong, China.
- HKU-Shenzhen Institute of Research and Innovation (HKU-SIRI), Guangdong, China
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22
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Fang C, Mi T, Achal V. Sustainable bio-bricks prepared with synthetic urine enabled by biomineralization reactions. Lett Appl Microbiol 2021; 73:793-799. [PMID: 34606639 DOI: 10.1111/lam.13574] [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: 06/14/2021] [Revised: 08/16/2021] [Accepted: 08/24/2021] [Indexed: 11/28/2022]
Abstract
In this study, mineralization during brick preparation was performed with ureolytic bacterium, Lysinibacillus fusiformis that use urine as a substrate, omitting the heat that is normally required. Artificial urine for reasons of standardization was used to grow the bacterium for bio-bricks made of clay and cement, but their mineralization was enabled by biological activity instead of by heat. Scanning electron microscopy and energy dispersion X-ray spectroscopy were conducted to analyse the microstructures formed by L. fusiformis that precipitated various minerals in synthetic urine. The brick specimens were tested for compressive strength that was 59% more than control ones, whereas porosity of bio-bricks was 13% compared to 22% of control specimens. The minerals formed in the bio-bricks confirmed as struvite, apatite and calcite by Fourier-transform infrared spectroscopy and X-ray diffraction spectra, were responsible for improved strength and reduced porosity. The research provided evidence in utilizing ureolytic bacteria as a mode to mineralize clay in brick production with the use of (artificial) urine as a substrate.
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Affiliation(s)
- C Fang
- Environmental Science and Engineering Program, Guangdong Technion - Israel Institute of Technology, Shantou, China.,Department of Civil and Environmental Engineering, Technion - Israel Institute of Technology, Haifa, Israel
| | - T Mi
- Environmental Science and Engineering Program, Guangdong Technion - Israel Institute of Technology, Shantou, China
| | - V Achal
- Environmental Science and Engineering Program, Guangdong Technion - Israel Institute of Technology, Shantou, China
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23
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Liu WL, Cheng F, Qian JL, Fang C, Liu X, Fan QW, Wu HJ, Yan JW. Geolocation Inference of Forensic Individual Origin by Soil Metagenomic Analysis. Fa Yi Xue Za Zhi 2021; 37:366-371. [PMID: 34379906 DOI: 10.12116/j.issn.1004-5619.2019.590502] [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] [Subscribe] [Scholar Register] [Received: 05/13/2019] [Indexed: 11/30/2022]
Abstract
Abstract Objective To preliminarily discuss the feasibility of geolocation inference of forensic individual origin by soil metagenomic analysis. Methods The 33 soil samples from Heilongjiang, Qinghai and Tibet were collected, total bacterial DNA in the samples were extracted, and universal primers were used to amplify the V3 and V4 hypervariable region of bacterial 16S rDNA. The region was sequenced by high-throughput sequencing (HTS) with the MiSeq sequencer. Bioinformatics analysis such as species composition and sample comparison was performed on sequencing data. The richness index and diversity index were calculated based on operational taxonomic unit (OTU) results. Results A total of 2 720 149 sequences were generated by sequencing. Those sequences were clustered into 114 848 OTUs. The Chao1 indexes of soil microorganisms in Heilongjiang, Qinghai, and Tibet were 797.45, 745.11 and 535.98, respectively, and Shannon indexes were 6.46, 6.36 and 6.25, respectively. The number of bacterial species and the community diversity in the soil from high to low were Heilongjiang > Qinghai > Tibet. The composition of soil bacteria in three provinces at various classification levels were obtained, the dominant genuses in Heilongjiang were Chthoniobacteraceae DA101 and an unannotated genus of Thermogemmatisporaceae; the dominant genuses in Qinghai were an unannotated genus of Cytophagaceae and an unannotated genus of Nocardioidaceae; the dominant genuses in Tibet were an unannotated genus of Comamonadaceae and Verrucomicrobiaceae Luteolibacter. The results of principal co-ordinates analysis demonstrated that, according to the weighted UniFrac analysis, the three principle components represented 56.36% of the total variable, and according to the unweighted UniFrac analysis, the three principle components represented 34.81% of the total variable. The samples from the same province could be clustered together, and the species and content of soil microorganisms from different provinces were significantly different. Conclusion Based on the metagenomic analysis method, soil samples from different regions can be effectively distinguished, which has potential application value in geolocation inference of forensic individual origin in the future.
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Affiliation(s)
- W L Liu
- Beijing Center for Physical and Chemical Analysis, Beijing 100089, China
| | - F Cheng
- School of Forensic Medicine, Shanxi Medical University, Taiyuan 030001, China
| | - J L Qian
- Beijing Center for Physical and Chemical Analysis, Beijing 100089, China
| | - C Fang
- Beijing Center for Physical and Chemical Analysis, Beijing 100089, China.,Beijing Engineering Technique Research Center for Gene Sequencing & Function Analysis, Beijing 100094, China
| | - X Liu
- Beijing Center for Physical and Chemical Analysis, Beijing 100089, China.,Beijing Engineering Technique Research Center for Gene Sequencing & Function Analysis, Beijing 100094, China
| | - Q W Fan
- School of Forensic Medicine, Shanxi Medical University, Taiyuan 030001, China
| | - H J Wu
- Beijing Engineering Technique Research Center for Gene Sequencing & Function Analysis, Beijing 100094, China.,Beijing Laboratory Animal Research Center, Beijing 100871, China
| | - J W Yan
- School of Forensic Medicine, Shanxi Medical University, Taiyuan 030001, China
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24
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McGillivray E, Jain R, Ramamurthy C, Sheng J, Granina E, Yu D, Lu X, Abbas A, Dotan E, Meyer J, Fang C, Denlinger C. P-103 Associations between quality-of-life, symptom burden, and demographic characteristics in long-term esophageal and gastroesophageal junction cancer survivors. Ann Oncol 2021. [DOI: 10.1016/j.annonc.2021.05.158] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022] Open
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25
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Fang C, Kibriya N, Heaton ND, Prachalias A, Srinivasan P, Menon K, Peddu P. Safety and efficacy of irreversible electroporation treatment in hepatobiliary and pancreatic tumours: a single-centre experience. Clin Radiol 2021; 76:599-606. [PMID: 33934875 DOI: 10.1016/j.crad.2021.03.020] [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] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2020] [Accepted: 03/29/2021] [Indexed: 01/05/2023]
Abstract
AIM To report initial experience with irreversible electroporation (IRE) in a single tertiary oncology centre and to describe its role in the management of liver and pancreatic tumours. MATERIALS AND METHODS The present study was a retrospective review of the technical success rate, complications, and treatment efficacy of patients who had undergone IRE treatment for hepatobiliary and pancreatic tumours between February 2014 to January 2020. The patients were divided into two cohorts: first 30 patients (cohort A) and subsequent 70 patients (cohort B) after a change in protocol. RESULTS One hundred IRE procedures (n=69 liver lesions; n=28 pancreatic lesions, n=3 nodal disease) were reviewed. The overall technical success rate was 99%. Early and immediate complications were 4% and 3%, respectively. In cohort A, the complete tumour ablation rate was 65% (13/20) for hepatic tumours, 20% (1/5) for locally advanced pancreatic adenocarcinoma, 50% (2/4) for pancreatic neuroendocrine tumours, and 0% (0/1) for nodal metastasis. For cohort B, the rate improved to 87.76% (43/49) for hepatic tumours, 28.57% (4/14) for locally advanced pancreatic adenocarcinoma, 80% (4/5) for pancreatic neuroendocrine, and 50% (1/2) for nodal metastasis. After the initial cohort A, cohort B showed a significant increase in the initial complete ablation rate in hepatic tumours (p=0.028). CONCLUSION IRE is a complex technique with a steep learning curve. It is safe, effective, and is valuable in the treatment of liver tumours that are unsuitable or considered high risk for conventional thermal ablation. Its role in the management of pancreatic tumours is less clear and requires larger studies.
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Affiliation(s)
- C Fang
- Department of Radiology, King's College Hospital, Denmark Hill, London SE5 9RS, UK
| | - N Kibriya
- Department of Radiology, King's College Hospital, Denmark Hill, London SE5 9RS, UK
| | - N D Heaton
- Institute of Liver Studies, King's College Hospital, Denmark Hill, London SE5 9RS, UK
| | - A Prachalias
- Institute of Liver Studies, King's College Hospital, Denmark Hill, London SE5 9RS, UK
| | - P Srinivasan
- Institute of Liver Studies, King's College Hospital, Denmark Hill, London SE5 9RS, UK
| | - K Menon
- Institute of Liver Studies, King's College Hospital, Denmark Hill, London SE5 9RS, UK
| | - P Peddu
- Department of Radiology, King's College Hospital, Denmark Hill, London SE5 9RS, UK.
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26
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Li K, Wang Y, Fang C. A Novel Method to Construct Binary CRISPR Vectors for Plant Transformation by Single Round of PCR Amplification. Bio Protoc 2021; 11:e3971. [PMID: 33889665 DOI: 10.21769/bioprotoc.3971] [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: 10/08/2020] [Revised: 01/29/2021] [Accepted: 02/01/2021] [Indexed: 11/02/2022] Open
Abstract
CRISPR/Cas9 is an established and flexible tool for genome editing. However, most methods used to generate expression clones for the CRISPR/Cas9 are time-consuming. Hence, we have developed a one-step protocol to introduce sgRNA expression cassette(s) directly into binary vectors ( Liu et al., 2020 ). In this approach, we have optimized the multiplex PCR to produce an overlapping PCR product in a single reaction to generate the sgRNA expression cassette. We also amplified two sgRNA expression cassettes through a single round of PCR. Then, the sgRNA expression cassette(s) is cloned into the binary vectors in a Gateway LR or Golden gate reaction. The system reported here provides a much more efficient and simpler procedure to construct expression clones for CRISPR/Cas9-mediated genome editing. In this protocol, we describe the detailed step-by-step instructions for using this system.
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Affiliation(s)
- Kang Li
- College of Tropical Crops, Hainan University, Haikou, Hainan, China
| | - Yuhui Wang
- College of Tropical Crops, Hainan University, Haikou, Hainan, China
| | - Chuanying Fang
- College of Tropical Crops, Hainan University, Haikou, Hainan, China
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27
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Jiang B, Fang C, Soh C, Li X, Geirsson A, Tellides G, Pober J, Jane-Wit D. ZFYVE21 is a Mediator of Non-Canonical Hedgehog Signaling Activating NLRP3 Inflammasomes in a Pathologic Subset of CD4+PD-1hi T Cells. J Heart Lung Transplant 2021. [DOI: 10.1016/j.healun.2021.01.422] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022] Open
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28
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Qi J, Li K, Shi Y, Li Y, Dong L, Liu L, Li M, Ren H, Liu X, Fang C, Luo J. Cross-Species Comparison of Metabolomics to Decipher the Metabolic Diversity in Ten Fruits. Metabolites 2021; 11:metabo11030164. [PMID: 33809004 PMCID: PMC8000971 DOI: 10.3390/metabo11030164] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2021] [Revised: 03/08/2021] [Accepted: 03/09/2021] [Indexed: 12/14/2022] Open
Abstract
Fruits provide humans with multiple kinds of nutrients and protect humans against worldwide nutritional deficiency. Therefore, it is essential to understand the nutrient composition of various fruits in depth. In this study, we performed LC-MS-based non-targeted metabolomic analyses with ten kinds of fruit, including passion fruit, mango, starfruit, mangosteen, guava, mandarin orange, grape, apple, blueberry, and strawberry. In total, we detected over 2500 compounds and identified more than 300 nutrients. Although the ten fruits shared 909 common-detected compounds, each species accumulated a variety of species-specific metabolites. Additionally, metabolic profiling analyses revealed a constant variation in each metabolite’s content across the ten fruits. Moreover, we constructed a neighbor-joining tree using metabolomic data, which resembles the single-copy protein-based phylogenetic tree. This indicates that metabolome data could reflect the genetic relationship between different species. In conclusion, our work enriches knowledge on the metabolomics of fruits, and provides metabolic evidence for the genetic relationships among these fruits.
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Affiliation(s)
- Jinwei Qi
- School of Horticulture, Hainan University, Haikou 570288, China;
| | - Kang Li
- School of Tropical Crops, Hainan University, Haikou 570288, China; (K.L.); (Y.S.); (L.L.); (M.L.); (X.L.)
| | - Yunxia Shi
- School of Tropical Crops, Hainan University, Haikou 570288, China; (K.L.); (Y.S.); (L.L.); (M.L.); (X.L.)
| | - Yufei Li
- National Key Laboratory of Crop Genetic Improvement and National Center of Plant Gene Research (Wuhan), Huazhong Agricultural University, Wuhan 430070, China;
| | - Long Dong
- Horticultural Research Institute, Guangxi Academy of Agricultural Sciences, Nanning 530007, China; (L.D.); (H.R.)
| | - Ling Liu
- School of Tropical Crops, Hainan University, Haikou 570288, China; (K.L.); (Y.S.); (L.L.); (M.L.); (X.L.)
| | - Mingyang Li
- School of Tropical Crops, Hainan University, Haikou 570288, China; (K.L.); (Y.S.); (L.L.); (M.L.); (X.L.)
| | - Hui Ren
- Horticultural Research Institute, Guangxi Academy of Agricultural Sciences, Nanning 530007, China; (L.D.); (H.R.)
| | - Xianqing Liu
- School of Tropical Crops, Hainan University, Haikou 570288, China; (K.L.); (Y.S.); (L.L.); (M.L.); (X.L.)
| | - Chuanying Fang
- School of Tropical Crops, Hainan University, Haikou 570288, China; (K.L.); (Y.S.); (L.L.); (M.L.); (X.L.)
- Correspondence: (C.F.); (J.L.)
| | - Jie Luo
- School of Tropical Crops, Hainan University, Haikou 570288, China; (K.L.); (Y.S.); (L.L.); (M.L.); (X.L.)
- National Key Laboratory of Crop Genetic Improvement and National Center of Plant Gene Research (Wuhan), Huazhong Agricultural University, Wuhan 430070, China;
- Correspondence: (C.F.); (J.L.)
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29
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Lin Y, Cheng L, Liu Y, Wang Y, Wang Q, Wang HL, Shi G, Li JS, Wang QN, Yang QM, Chen S, Su XL, Yang Y, Jiang M, Hu X, Fan P, Fang C, Zhou ZG, Dai L, Deng HX. Intestinal epithelium-derived BATF3 promotes colitis-associated colon cancer through facilitating CXCL5-mediated neutrophils recruitment. Mucosal Immunol 2021; 14:187-198. [PMID: 32467604 DOI: 10.1038/s41385-020-0297-3] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2020] [Revised: 04/24/2020] [Accepted: 05/01/2020] [Indexed: 02/05/2023]
Abstract
Inflammation is a critical player in the development and progression of colon cancer. Basic leucine zipper transcription factor ATF-like 3 (BATF3) plays an important role in infection and tumor immunity through regulating the development of conventional type 1 dendritic cells (cDC1s). However, the function of BATF3 in colitis and colitis-associated colon cancer (CAC) remains unclear. Here, BATF3 wild-type and knockout mice were used to construct an AOM/DSS-induced CAC model. In addition, DSS-induced chronic colitis, bone marrow cross-transfusion (BMT), neutrophil knockout, and other animal models were used for in-depth research. We found that BATF3 deficiency in intestinal epithelial cells rather than in cDC1s inhibited CAC, which was depended on inflammatory stimulation. Mechanistically, BATF3 directly promoted transcription of CXCL5 by forming a heterodimer with JunD, and accelerated the recruitment of neutrophils through the CXCL5-CXCR2 axis, ultimately increasing the occurrence and development of CAC. Tissue microarray and TCGA data also indicated that high expression of BATF3 was positively correlated with poor prognosis of colorectal cancer and other inflammation-related tumors. In summary, our results demonstrate that intestinal epithelial-derived BATF3 relies on inflammatory stimulation to promote CAC, and BATF3 is expected to be a novel diagnostic indicator for colitis and CAC.
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Affiliation(s)
- Y Lin
- State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University and Collaborative Innovation Center for Biotherapy, Chengdu, 610041, Sichuan, China
| | - L Cheng
- State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University and Collaborative Innovation Center for Biotherapy, Chengdu, 610041, Sichuan, China
| | - Y Liu
- State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University and Collaborative Innovation Center for Biotherapy, Chengdu, 610041, Sichuan, China
| | - Y Wang
- State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University and Collaborative Innovation Center for Biotherapy, Chengdu, 610041, Sichuan, China
| | - Q Wang
- State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University and Collaborative Innovation Center for Biotherapy, Chengdu, 610041, Sichuan, China
| | - H L Wang
- State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University and Collaborative Innovation Center for Biotherapy, Chengdu, 610041, Sichuan, China
| | - G Shi
- State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University and Collaborative Innovation Center for Biotherapy, Chengdu, 610041, Sichuan, China
| | - J S Li
- State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University and Collaborative Innovation Center for Biotherapy, Chengdu, 610041, Sichuan, China
| | - Q N Wang
- State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University and Collaborative Innovation Center for Biotherapy, Chengdu, 610041, Sichuan, China
| | - Q M Yang
- State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University and Collaborative Innovation Center for Biotherapy, Chengdu, 610041, Sichuan, China
| | - S Chen
- State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University and Collaborative Innovation Center for Biotherapy, Chengdu, 610041, Sichuan, China
| | - X L Su
- State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University and Collaborative Innovation Center for Biotherapy, Chengdu, 610041, Sichuan, China
| | - Y Yang
- State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University and Collaborative Innovation Center for Biotherapy, Chengdu, 610041, Sichuan, China
| | - M Jiang
- Department of Medical Oncology, Cancer Center and State Key Laboratory of Biotherapy, West China Hospital of Sichuan University, Chengdu, Sichuan, China.
| | - X Hu
- West China Biobanks, Department of Clinical Research Management and West China-Liverpool Biomedical Research Centre, West China Hospital, Sichuan University, Chengdu, Sichuan, China
| | - P Fan
- West China Biobanks, Department of Clinical Research Management and West China-Liverpool Biomedical Research Centre, West China Hospital, Sichuan University, Chengdu, Sichuan, China
| | - C Fang
- Department of Gastrointestinal Surgery, West China Hospital and State Key Laboratory of Biotherapy, Sichuan University, Chengdu, Sichuan, China
| | - Z G Zhou
- Department of Gastrointestinal Surgery, West China Hospital and State Key Laboratory of Biotherapy, Sichuan University, Chengdu, Sichuan, China
| | - L Dai
- State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University and Collaborative Innovation Center for Biotherapy, Chengdu, 610041, Sichuan, China.
| | - H X Deng
- State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University and Collaborative Innovation Center for Biotherapy, Chengdu, 610041, Sichuan, China.
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30
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Li Y, Yang C, Ahmad H, Maher M, Fang C, Luo J. Benefiting others and self: Production of vitamins in plants. J Integr Plant Biol 2021; 63:210-227. [PMID: 33289302 DOI: 10.1111/jipb.13047] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [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: 10/10/2020] [Accepted: 11/26/2020] [Indexed: 06/12/2023]
Abstract
Vitamins maintain growth and development in humans, animals, and plants. Because plants serve as essential producers of vitamins, increasing the vitamin contents in plants has become a goal of crop breeding worldwide. Here, we begin with a summary of the functions of vitamins. We then review the achievements to date in elucidating the molecular mechanisms underlying how vitamins are synthesized, transported, and regulated in plants. We also stress the exploration of variation in vitamins by the use of forward genetic approaches, such as quantitative trait locus mapping and genome-wide association studies. Overall, we conclude that exploring the diversity of vitamins could provide new insights into plant metabolism and crop breeding.
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Affiliation(s)
- Yufei Li
- National Key Laboratory of Crop Genetic Improvement and National Center of Plant Gene Research (Wuhan), Huazhong Agricultural University, Wuhan, 430070, China
| | - Chenkun Yang
- National Key Laboratory of Crop Genetic Improvement and National Center of Plant Gene Research (Wuhan), Huazhong Agricultural University, Wuhan, 430070, China
| | - Hasan Ahmad
- National Key Laboratory of Crop Genetic Improvement and National Center of Plant Gene Research (Wuhan), Huazhong Agricultural University, Wuhan, 430070, China
| | - Mohamed Maher
- National Key Laboratory of Crop Genetic Improvement and National Center of Plant Gene Research (Wuhan), Huazhong Agricultural University, Wuhan, 430070, China
| | - Chuanying Fang
- College of Tropical Crops, Hainan University, Haikou, 570228, China
| | - Jie Luo
- College of Tropical Crops, Hainan University, Haikou, 570228, China
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Wang Y, Dai J, Fang C, Zhang S, Wang J, Yin Y, Jiang S, Guo J, Lei F, Tu Y, Xing L, Hou J, Yu B. Predictors of plaque erosion in current smokers and non-current smokers presented with ST-segment elevation myocardial infarction: an optical coherence tomography study. Eur Heart J 2020. [DOI: 10.1093/ehjci/ehaa946.1780] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Abstract
Background
Plaque erosion with subsequent coronary thrombosis is considered as an important cause of ST-segment elevation myocardial infarction (STEMI). Smoking is a major risk factor for acute coronary thrombosis. However, the relationship between current smoking status and plaque erosion has not been systematically investigated.
Purpose
The present study aimed to investigate predictors of plaque erosion in current smokers and non-current smokers with STEMI by using optical coherence tomography (OCT).
Methods
Between January 2015 to December 2017, a total of 1313 STEMI patients underwent pre-intervention OCT of culprit lesion were enrolled and divided into two groups based on current smoking status: current smoking group (n=713) and non-current smoking group (n=600). Using established criteria, quantitative and qualitative underlying plaque characteristics were assessed by OCT. Clinical, angiographic and OCT characteristics of all enrolled patients were recorded. Univariable and multivariable logistic regression analyses were used to identify predictors of plaque erosion in two groups.
Results
Plaque erosion were found in 30.9% (220/713) culprit lesions in current smoking group and 20.8% (125/600) of those in non-current smoking group detected by OCT. In multivariate regression analysis, the predictors that strongly related to plaque erosion in the current smoking group were nearby bifurcation (OR: 4.84; 95% CI:2.38–9.87; p<0.001); the minimum fiber cap thickness (FCT, OR:1.05; 95% CI:1.03–1.08; p<0.001); thin-cap fibroatheroma (TCFA, OR: 0.22; 95% CI: 0.07–0.67; p=0.007) and lipid core length (OR: 0.91; 95% CI: 0.84–0.97; p=0.007). The predictors in the non-current smoking group were nearby bifurcation (OR: 4.84; 95% CI: 2.38–9.87; p=0.006); the minimal FCT (OR: 1.09; 95% CI: 1.06–1.13; p<0.001); multi-vessel disease (MVD, OR: 0.43; 95% CI: 0.19–0.97; p=0.042) and dyslipidemia (OR: 0.34; 95% CI: 0.14–0.84; p=0.020).
Conclusions
Predictors of plaque erosion causing STEMI onset are different between current smokers and non-current smoker, with nearby bifurcation and thicker minimal FCT both predicting plaque erosion in two groups of patients.
Funding Acknowledgement
Type of funding source: Public grant(s) – National budget only. Main funding source(s): National Key Research and Development Program of China, National Natural Science Foundation of China.
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Affiliation(s)
- Y Wang
- The Second Affiliated Hospital of Harbin Medical University, Harbin, China
| | - J Dai
- The Second Affiliated Hospital of Harbin Medical University, Harbin, China
| | - C Fang
- The Second Affiliated Hospital of Harbin Medical University, Harbin, China
| | - S Zhang
- The Second Affiliated Hospital of Harbin Medical University, Harbin, China
| | - J Wang
- The Second Affiliated Hospital of Harbin Medical University, Harbin, China
| | - Y Yin
- The Second Affiliated Hospital of Harbin Medical University, Harbin, China
| | - S Jiang
- The Second Affiliated Hospital of Harbin Medical University, Harbin, China
| | - J Guo
- The Second Affiliated Hospital of Harbin Medical University, Harbin, China
| | - F Lei
- The Second Affiliated Hospital of Harbin Medical University, Harbin, China
| | - Y Tu
- The Second Affiliated Hospital of Harbin Medical University, Harbin, China
| | - L Xing
- The Second Affiliated Hospital of Harbin Medical University, Harbin, China
| | - J Hou
- The Second Affiliated Hospital of Harbin Medical University, Harbin, China
| | - B Yu
- The Second Affiliated Hospital of Harbin Medical University, Harbin, China
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Wang J, Dai J, Fang C, Yu B. Coronary plaque characteristics associated with reduced thrombolysis in myocardial infarction flow in st-segment elevation myocardial infarction patients with plaque erosion. Eur Heart J 2020. [DOI: 10.1093/ehjci/ehaa946.2468] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Abstract
Background
It has been reported that the lumen factors of the culprit lesions are related to Thrombolysis in Myocardial Infarction (TIMI) flow grade in ST-Segment–Elevation Myocardial Infarction (STEMI) patients, but the factors of reduced TIMI flow in plaque erosion have not been studied.
Methods
329 STEMI patients with plaque erosion who underwent pre-intervention optical coherence tomography after thrombectomy were included and divided into 2 groups according to preprocedural TIMI flow grade [TIMI 0–1 (n=219) and TIMI 2–3 (n=110)].
Results
The patients with older age (55.7±11.1yrs vs. 51.8±10.6yrs, P=0.003) and diabetes patients (18.3% vs. 8.2%, P=0.015) had poorer TIMI flow, and the patients with reduced TIMI flow grade have lower initial cTnI (1.2ng/mL vs. 2.1ng/mL, P=0.023). The lesion in the LAD had better blood flow than the lesion in RCA (P=0.003), and the patients in TIMI 0–1 grade had more lipid plaques (53.9% vs. 41.8%, P=0.039), more macrophage (59.8% vs. 41.8%, P=0.002), and more calcification (34.2% vs. 21.8%, P=0.020). There was no statistically significant difference in the descriptive indicators of lipid or lumen between the two groups. And In a multivariate logistic regression model, the independent correlation factors of reduced TIMI flow grade in erosion patients were age, diabetes mellitus, lesion vessel, and macrophage.
Conclusions
In STEMI patients with plaque erosion non-lumen factors greatly affect flow, which suggests that systemic treatment is as important as local treatment for plaque erosion.
Flow Chart
Funding Acknowledgement
Type of funding source: Foundation. Main funding source(s): National Natural Science Foundation of China (81827806, 81801861), National Key R&D Program of China (2016YFC1301100)
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Affiliation(s)
- J Wang
- The Second Affiliated Hospital of Harbin Medical University, Harbin, China
| | - J Dai
- The Second Affiliated Hospital of Harbin Medical University, Harbin, China
| | - C Fang
- The Second Affiliated Hospital of Harbin Medical University, Harbin, China
| | - B Yu
- The Second Affiliated Hospital of Harbin Medical University, Harbin, China
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Fang C, Dai J, Zhang S, Wang J, Wang Y, Li L, Xing L, Hou J, Yu B. Morphological characteristics of plaque erosion with noncritical coronary stenosis: an optical coherence tomography study. Eur Heart J 2020. [DOI: 10.1093/ehjci/ehaa946.1533] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
Abstract
Background
Plaque erosion is a frequent and important mechanism of acute coronary thrombosis only secondary to plaque rupture. Recent studies suggested plaque erosion with noncritical stenosis could be treated conservatively that distinct from those with critical stenosis. However, characteristics of plaque erosions with different coronary stenosis remain unknown.
Purpose
The present study aimed to investigate morphological features of plaque erosions with different coronary stenosis using optical coherence tomography (OCT).
Methods
Consecutive ST-segment elevated myocardial infarction (STEMI) patients with OCT images of culprit lesion between August 2014 and December 2017 were enrolled and 348 cases presented with plaque erosion identified by OCT. Based on the severity of lumen area stenosis [calculated by (1-minimal lumen area/reference lumen area) * 100%], all culprit plaque erosions were divided into three groups: Group A (area stenosis<50%, n=50, 14.4%); Group B (50%≤area stenosis<75%, n=146, 42.0%); Group C (area stenosis≥75%, n=152, 43.7%). Clinical characteristics, lesion features detected by coronary angiography and OCT were compared among three groups.
Results
Of all 348 STEMI patients with plaque erosions, patients in Group A were youngest (p=0.008) and had the lowest frequency of hypertension (p=0.029) as compared with those in Group B and C. Angiographic analysis showed 72.0% of plaque erosions in Group A located in LAD, while 67.8% in Group B and 53.9% in Group C (p=0.039). OCT findings (Figure 1-A) showed the prevalence of fibrous plaque was significantly highest in Group A than those in Group B and C (82.0% vs. 54.8% vs. 34.9%, p<0.001), whereas lipid rich plaque was most frequent in Group C (16.0% vs. 43.8% vs. 62.5%, p<0.001). The prevalence of macrophage (p<0.001), microvessel (p=0.009) and cholesterol crystals (p<0.001) increased gradually from plaque erosion with lumen area stenosis <50% to 50–75% to ≥75%. Notably, compared with Group B and C, nearby bifurcation was most common in Group A (72.0% vs. 67.1% vs. 55.3%, p=0.036). Multivariable regression analyses (Figure 1-B) showed fibrous plaque and nearby bifurcation were independently associated with plaque erosion with noncritical stenosis (area stenosis<75%).
Conclusion
56.3% plaque erosion in STEMI patients presented with noncritical stenosis, having distinct morphological features from erosion with critical stenosis. Fibrous plaque and nearby bifurcation were independently associated with the presence of noncritically stenotic plaque erosion, remaining a desire to tailor treatment therapy to individual patients.
Figure 1
Funding Acknowledgement
Type of funding source: Foundation. Main funding source(s): National Key R&D Program of China
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Affiliation(s)
- C Fang
- The Second Affiliated Hospital of Harbin Medical University, Harbin, China
| | - J Dai
- The Second Affiliated Hospital of Harbin Medical University, Harbin, China
| | - S Zhang
- The Second Affiliated Hospital of Harbin Medical University, Harbin, China
| | - J Wang
- The Second Affiliated Hospital of Harbin Medical University, Harbin, China
| | - Y Wang
- The Second Affiliated Hospital of Harbin Medical University, Harbin, China
| | - L Li
- The Second Affiliated Hospital of Harbin Medical University, Harbin, China
| | - L Xing
- The Second Affiliated Hospital of Harbin Medical University, Harbin, China
| | - J Hou
- The Second Affiliated Hospital of Harbin Medical University, Harbin, China
| | - B Yu
- The Second Affiliated Hospital of Harbin Medical University, Harbin, China
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Wang J, Dai J, Fang C, Yu B. Relation of microchannel identified by optical coherence tomography to clinical, angiography and other plaque morphological characteristics in ST-segment Elevation myocardial infarction patients. Eur Heart J 2020. [DOI: 10.1093/ehjci/ehaa946.2467] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
Abstract
Background
Previous studies have suggested that Microchannel (MC) is associated with plaque progression and vulnerability. Optical coherence tomography (OCT) could provide a chance to directly visualize plaque neovascularization in vivo.
Methods
1268 STEMI patients who underwent OCT examination of culprit lesion were included and divided into MC group (the culprit plaque with MC, n=560) and no-MC group (the culprit plaque without MC, n=708). MC was defined as a no-signal tubuloluminal structure on the cross-sectional optical coherence tomographic image. Clinical, angiography and other plaque morphological characteristics were compared between the two groups. Logistic regression analysis was used to identify independent predictors of MC in overall. In addition, the difference of predictors on MC was found in plaque rupture (PR) and plaque erosion (PE).
Results
Significant differences between MC group and no-MC group were found in the frequency of thin-cap fibroatheroma (74.6% vs 64.4%, p<0.001), lipid plaque (91.8% vs 82.9%, p<0.001), lipid core length (13.7±6.5mm vs 12.6±6.3mm, p=0.006) and the minimal lumen area (MLA, 1.95±0.98mm2 vs 2.10±1.58mm2, p=0.046). In MC group, the other vulnerable plaque morphological characteristics, such as macrophage (88.8% vs 75.1%, p<0.001), cholesterol crystal (39.6% vs 32.9%, p=0.013), spotty calcification (38.6% vs 29.5%, p<0.001) were more frequent. And compared with MLA the more locations of the culprit lesion in MC group was proximal (proximal, 47.3% vs 38.1%, at MLA, 38.2% vs 44.2%, distal, 14.5% vs 17.7%, p=0.004).The difference of Hemoglobin (Hb, 147.5±16.9g/L vs 144.1±18.2g/L, p<0.001), lipidemia (TC, 188.7±43.6mmol/L vs 180.8±40.0mmol/L, p<0.001, LDL-C, 121.5±37.4mmol/L vs 115.7±36.8mmol/L, p=0.005, and TC/HDL, 4.0±1.6 vs 3.8±1.0, p<0.001), and hypertension (50.7% vs 44.2%, p=0.021) between 2 groups was statistically significant. Multivariable logistic regression models showed 7 independent parameters associated with MC in culprit plaque of overall: hypertension, Hb, TC, MLA, lesion location (compared with MLA), lipid core length, macrophage, spotty calcification. In addition, Hb, TC and MLA were common predictors of MC in PR and PE, however, the predictive effect of MLA on MC was opposite in PR [OR (95% CI)=1.266 (1.095–1.463), p=0.001] and PE [OR (95% CI)=0.742 (0.597–0.922), p=0.007].
Conclusions
MC in culprit plaque is associated with more lipid (especially cholesterol), higher Hb, hypertension, lesion location (compared with MLA) and the other vulnerable plaque morphological characteristics. The predictors of MC were different in plaque rupture and plaque erosion.
Flow chart
Funding Acknowledgement
Type of funding source: Foundation. Main funding source(s): National Natural Science Foundation of China (81827806, 81801861); National Key R&D Program of China (2016YFC1301100)
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Affiliation(s)
- J Wang
- The Second Affiliated Hospital of Harbin Medical University, Harbin, China
| | - J Dai
- The Second Affiliated Hospital of Harbin Medical University, Harbin, China
| | - C Fang
- The Second Affiliated Hospital of Harbin Medical University, Harbin, China
| | - B Yu
- The Second Affiliated Hospital of Harbin Medical University, Harbin, China
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Lee ST, Muralidharan V, Tebbutt N, Wong P, Fang C, Liu Z, Gan H, Sachinidis J, Pathmaraj K, Christophi C, Scott AM. Prevalence of hypoxia and correlation with glycolytic metabolism and angiogenic biomarkers in metastatic colorectal carcinoma. Eur J Nucl Med Mol Imaging 2020; 48:1585-1592. [PMID: 33125527 DOI: 10.1007/s00259-020-05074-5] [Citation(s) in RCA: 5] [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] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2020] [Accepted: 10/12/2020] [Indexed: 12/12/2022]
Abstract
PURPOSE Hypoxia is associated with aggressive tumour behaviour and can influence response to systemic therapy and radiotherapy. The prevalence of hypoxia in metastatic colorectal cancer is poorly understood, and the relationship of hypoxia to patient outcomes has not been clearly established. The aims of the study were to evaluate hypoxia in metastatic colorectal cancer with [18F]Fluoromisonidazole ([18F]FMISO PET) and correlate these findings with glycolytic metabolism ([18F]FDG PET) and angiogenic blood biomarkers and patient outcomes. METHODS Patients with metastatic colorectal cancer received routine staging investigations and both [18F] FMISO PET and [18F] FDG PET scans. Correlative blood specimens were also obtained at the time of the [18F] FMISO PET scan. Patient follow-up was performed to establish progression-free survival. RESULTS A total of 40 patients were recruited into the trial. [18F]FMISO and [18F]FDG PET scans showed a significant correlation of SUVmax (p = 0.003). A significant correlation of progression-free survival and [18F] FMISO TNR (p = 0.02) and overall survival with [18F]FMISO TNR (p = 0.003) and [18F]FDG TGV (p = 0.02) was observed. Serum levels of osteopontin, but not VEGF, correlated with [18F] FMISO and [18F]FDG PET scan parameters. CONCLUSION [18F]FMISO PET uptake in metastatic colorectal cancer significantly correlates with glycolytic metabolism and is predictive of progression-free and overall survival. These findings have implications for the assessment and treatment of metastatic colorectal cancer patients with novel therapies which affect tumour angiogenesis and hypoxia.
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Affiliation(s)
- S T Lee
- Department of Molecular Imaging and Therapy, Austin Health, Melbourne, Australia. .,Tumour Targeting Laboratory, Olivia Newton-John Cancer Research Institute, Austin Health, Melbourne, Australia. .,School of Cancer Medicine, La Trobe University, Melbourne, Australia. .,Department of Medicine, The University of Melbourne, Austin Health, Melbourne, Australia.
| | - V Muralidharan
- Department of Surgery, Austin Health, Melbourne, Australia.,Department of Surgery, The University of Melbourne, Austin Health, Melbourne, Australia
| | - N Tebbutt
- Department of Surgery, The University of Melbourne, Austin Health, Melbourne, Australia.,Department of Medical Oncology, Austin Health, Melbourne, Australia
| | - P Wong
- Department of Surgery, Austin Health, Melbourne, Australia
| | - C Fang
- Tumour Targeting Laboratory, Olivia Newton-John Cancer Research Institute, Austin Health, Melbourne, Australia
| | - Z Liu
- Tumour Targeting Laboratory, Olivia Newton-John Cancer Research Institute, Austin Health, Melbourne, Australia
| | - H Gan
- Tumour Targeting Laboratory, Olivia Newton-John Cancer Research Institute, Austin Health, Melbourne, Australia.,School of Cancer Medicine, La Trobe University, Melbourne, Australia.,Department of Medical Oncology, Austin Health, Melbourne, Australia
| | - J Sachinidis
- Department of Molecular Imaging and Therapy, Austin Health, Melbourne, Australia
| | - K Pathmaraj
- Department of Molecular Imaging and Therapy, Austin Health, Melbourne, Australia
| | - C Christophi
- Department of Surgery, Austin Health, Melbourne, Australia.,Department of Surgery, The University of Melbourne, Austin Health, Melbourne, Australia
| | - A M Scott
- Department of Molecular Imaging and Therapy, Austin Health, Melbourne, Australia.,Tumour Targeting Laboratory, Olivia Newton-John Cancer Research Institute, Austin Health, Melbourne, Australia.,School of Cancer Medicine, La Trobe University, Melbourne, Australia.,Department of Medicine, The University of Melbourne, Austin Health, Melbourne, Australia
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Zhou X, Liu L, Li Y, Li K, Liu X, Zhou J, Yang C, Liu X, Fang C, Luo J. Integrative Metabolomic and Transcriptomic Analyses Reveal Metabolic Changes and Its Molecular Basis in Rice Mutants of the Strigolactone Pathway. Metabolites 2020; 10:metabo10110425. [PMID: 33114491 PMCID: PMC7693813 DOI: 10.3390/metabo10110425] [Citation(s) in RCA: 5] [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: 09/10/2020] [Revised: 10/21/2020] [Accepted: 10/23/2020] [Indexed: 11/24/2022] Open
Abstract
Plants have evolved many metabolites to meet the demands of growth and adaptation. Although strigolactones (SLs) play vital roles in controlling plant architecture, their function in regulating plant metabolism remains elusive. Here we report the integrative metabolomic and transcriptomic analyses of two rice SL mutants, d10 (a biosynthesis mutant) and d14 (a perception mutant). Both mutants displayed a series of metabolic and transcriptional alterations, especially in the lipid, flavonoid, and terpenoid pathways. Levels of several diterpenoid phytoalexins were substantially increased in d10 and d14, together with the induction of terpenoid gene cluster and the corresponding upstream transcription factor WRKY45, an established determinant of plant immunity. The fact that WRKY45 is a target of IPA1, which acted as a downstream transcription factor of SL signaling, suggests that SLs contribute to plant defense through WRKY45 and phytoalexins. Moreover, our data indicated that SLs may modulate rice metabolism through a vast number of clustered or tandemly duplicated genes. Our work revealed a central role of SLs in rice metabolism. Meanwhile, integrative analysis of the metabolome and transcriptome also suggested that SLs may contribute to metabolite-associated growth and defense.
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Affiliation(s)
- Xiujuan Zhou
- College of Tropical Crops, Hainan University, Haikou, Hainan 570288, China; (X.Z.); (L.L.); (K.L.); (X.L.); (J.Z.); (X.L.)
| | - Ling Liu
- College of Tropical Crops, Hainan University, Haikou, Hainan 570288, China; (X.Z.); (L.L.); (K.L.); (X.L.); (J.Z.); (X.L.)
| | - Yufei Li
- National Key Laboratory of Crop Genetic Improvement and National Center of Plant Gene Research (Wuhan), Huazhong Agricultural University, Wuhan 430070, China; (Y.L.); (C.Y.)
| | - Kang Li
- College of Tropical Crops, Hainan University, Haikou, Hainan 570288, China; (X.Z.); (L.L.); (K.L.); (X.L.); (J.Z.); (X.L.)
| | - Xiaoli Liu
- College of Tropical Crops, Hainan University, Haikou, Hainan 570288, China; (X.Z.); (L.L.); (K.L.); (X.L.); (J.Z.); (X.L.)
| | - Junjie Zhou
- College of Tropical Crops, Hainan University, Haikou, Hainan 570288, China; (X.Z.); (L.L.); (K.L.); (X.L.); (J.Z.); (X.L.)
| | - Chenkun Yang
- National Key Laboratory of Crop Genetic Improvement and National Center of Plant Gene Research (Wuhan), Huazhong Agricultural University, Wuhan 430070, China; (Y.L.); (C.Y.)
| | - Xianqing Liu
- College of Tropical Crops, Hainan University, Haikou, Hainan 570288, China; (X.Z.); (L.L.); (K.L.); (X.L.); (J.Z.); (X.L.)
| | - Chuanying Fang
- College of Tropical Crops, Hainan University, Haikou, Hainan 570288, China; (X.Z.); (L.L.); (K.L.); (X.L.); (J.Z.); (X.L.)
- Correspondence: (C.F.); (J.L.)
| | - Jie Luo
- College of Tropical Crops, Hainan University, Haikou, Hainan 570288, China; (X.Z.); (L.L.); (K.L.); (X.L.); (J.Z.); (X.L.)
- National Key Laboratory of Crop Genetic Improvement and National Center of Plant Gene Research (Wuhan), Huazhong Agricultural University, Wuhan 430070, China; (Y.L.); (C.Y.)
- Correspondence: (C.F.); (J.L.)
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Fang C, Garzillo G, Batohi B, Teo JTH, Berovic M, Sidhu PS, Robbie H. Extent of pulmonary thromboembolic disease in patients with COVID-19 on CT: relationship with pulmonary parenchymal disease. Clin Radiol 2020; 75:780-788. [PMID: 32684301 PMCID: PMC7351373 DOI: 10.1016/j.crad.2020.07.002] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2020] [Accepted: 07/07/2020] [Indexed: 01/11/2023]
Abstract
AIM To report the severity and extent of pulmonary thromboembolic disease (PTD) in COVID-19 patients undergoing computed tomography pulmonary angiography (CTPA) in a tertiary centre. MATERIALS AND METHODS This is a retrospective analysis of COVID-19 patients undergoing CTPA over a period of 27 days. The presence, extent, and severity of PTD were documented. Two observers scored the pattern and extent of lung parenchymal disease including potential fibrotic features, as well as lymph node enlargement and pleural effusions. Consensus was achieved via a third observer. Interobserver agreement was assessed using kappa statistics. Student's t-test, chi-squared, and Mann-Whitney U-tests were used to compare imaging features between PTD and non-PTD sub-groups. RESULTS During the study period, 100 patients with confirmed COVID-19 underwent CTPA imaging. Ninety-three studies were analysed, excluding indeterminate CTPA examinations. Overall incidence of PTD was 41/93 (44%) with 28/93 patients showing small vessel PTD (30%). D-dimer was elevated in 90/93 (96.8%) cases. A high Wells' score did not differentiate between PTD and non-PTD groups (p=0.801). The interobserver agreement was fair (kappa=0.659) for parenchymal patterns and excellent (kappa=0.816) for severity. Thirty-four of the 93 cases (36.6%) had lymph node enlargement; 29/34 (85.3%) showed no additional source of infection. Sixteen of the 93 (17.2%) cases had potential fibrotic features. CONCLUSION There is a high incidence of PTD in COVID-19 patients undergoing CTPA and lack of a risk stratification tool. The present data indicates a higher suspicion of PTD is needed in severe COVID-19 patients. The concomitant presence of possible fibrotic features on CT indicates the need for follow-up.
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Affiliation(s)
- C Fang
- Department of Radiology, King's College Hospital NHS Foundation Trust, Denmark Hill, Brixton, London SE5 9RS, UK
| | - G Garzillo
- Department of Radiology, King's College Hospital NHS Foundation Trust, Denmark Hill, Brixton, London SE5 9RS, UK.
| | - B Batohi
- Department of Radiology, King's College Hospital NHS Foundation Trust, Denmark Hill, Brixton, London SE5 9RS, UK
| | - J T H Teo
- Department of Neurology, King's College Hospital NHS Foundation Trust, Denmark Hill, Brixton, London SE5 9RS, UK
| | - M Berovic
- Department of Radiology, King's College Hospital NHS Foundation Trust, Denmark Hill, Brixton, London SE5 9RS, UK
| | - P S Sidhu
- Department of Radiology, King's College Hospital NHS Foundation Trust, Denmark Hill, Brixton, London SE5 9RS, UK
| | - H Robbie
- Department of Radiology, King's College Hospital NHS Foundation Trust, Denmark Hill, Brixton, London SE5 9RS, UK
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Zhang J, Li J, Wu C, Hu Z, An L, Wan Y, Fang C, Zhang X, Li J, Wang Y. The Asp298Asn polymorphism of melanocortin‐4 receptor (MC4R) in pigs: evidence for its potential effects on MC4R constitutive activity and cell surface expression. Anim Genet 2020; 51:694-706. [DOI: 10.1111/age.12986] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2020] [Revised: 05/04/2020] [Accepted: 06/23/2020] [Indexed: 12/14/2022]
Affiliation(s)
- J. Zhang
- Key Laboratory of Bio‐resources and Eco‐environment of Ministry of Education College of Life Sciences Sichuan University Chengdu610065China
| | - J. Li
- Key Laboratory of Bio‐resources and Eco‐environment of Ministry of Education College of Life Sciences Sichuan University Chengdu610065China
| | - C. Wu
- Key Laboratory of Bio‐resources and Eco‐environment of Ministry of Education College of Life Sciences Sichuan University Chengdu610065China
| | - Z. Hu
- Key Laboratory of Bio‐resources and Eco‐environment of Ministry of Education College of Life Sciences Sichuan University Chengdu610065China
| | - L. An
- Key Laboratory of Bio‐resources and Eco‐environment of Ministry of Education College of Life Sciences Sichuan University Chengdu610065China
| | - Y. Wan
- Key Laboratory of Bio‐resources and Eco‐environment of Ministry of Education College of Life Sciences Sichuan University Chengdu610065China
| | - C. Fang
- Key Laboratory of Bio‐resources and Eco‐environment of Ministry of Education College of Life Sciences Sichuan University Chengdu610065China
| | - X. Zhang
- Key Laboratory of Bio‐resources and Eco‐environment of Ministry of Education College of Life Sciences Sichuan University Chengdu610065China
| | - J. Li
- Key Laboratory of Bio‐resources and Eco‐environment of Ministry of Education College of Life Sciences Sichuan University Chengdu610065China
| | - Y. Wang
- Key Laboratory of Bio‐resources and Eco‐environment of Ministry of Education College of Life Sciences Sichuan University Chengdu610065China
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Bauman J, Panick J, Galloway T, Ridge J, McShane M, Chwistek M, Collins M, Kinczewski L, Murphy K, Welsh M, Farren M, Clark M, Kelly J, Schuster K, Stokes L, Amrhein S, Bender F, Egleston B, El-jawahri A, Fang C. A Pilot Study of a Comprehensive Palliative Care Intervention to Improve Symptoms and Coping During Curative-Intent Chemoradiation in Patients with Head and Neck Cancer. Int J Radiat Oncol Biol Phys 2020. [DOI: 10.1016/j.ijrobp.2019.11.070] [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: 11/24/2022]
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Abstract
Ultrasound-based elastography has rapidly replaced the need for liver biopsy in most patients with chronic liver disease in recent years. The technique is now widely supported by many manufacturers. This review will introduce various current ultrasound-based elastography techniques, review the physics and scanning techniques, discuss potential cofounding factors as well as summarising the evidence for its use in staging liver fibrosis using shear-wave elastography among different disease aetiologies. Future challenges and directions will be also be discussed.
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Affiliation(s)
- C Fang
- Department of Radiology, King's College Hospital NHS Foundation Trust, London, UK.
| | - A Lim
- Department of Radiology, Imperial College Healthcare NHS Trust, London, UK
| | - P S Sidhu
- Department of Radiology, King's College Hospital NHS Foundation Trust, London, UK
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41
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Liu X, Zhou X, Li K, Wang D, Ding Y, Liu X, Luo J, Fang C. A simple and efficient cloning system for CRISPR/Cas9-mediated genome editing in rice. PeerJ 2020; 8:e8491. [PMID: 32030327 PMCID: PMC6995270 DOI: 10.7717/peerj.8491] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2019] [Accepted: 12/30/2019] [Indexed: 11/20/2022] Open
Abstract
Rapidly growing genetics and bioinformatics studies provide us with an opportunity to obtain a global view of the genetic basis of traits, but also give a challenge to the function validation of candidate genes. CRISPR/Cas9 is an emerging and efficient tool for genome editing. To construct expression clones for the CRISPR/Cas9, most current methods depend on traditional cloning using Gateway reaction or specific type IIS restriction enzymes and DNA ligation, based on multiple steps of PCR. We developed a system for introducing sgRNA expression cassette(s) directly into plant binary vectors in one step. In this system, one sgRNA expression cassette(s) is generated by an optimized multiplex PCR, in which an overlapping PCR took place. Whilst, two sgRNA expression cassettes were amplified in a single round of PCR. Subsequently, an LR or Golden gate reaction was set up with unpurified PCR product and befitting destination vector. We are able to construct expression clones within 36 h, which greatly improves efficiency and saves cost. Furthermore, the efficiency of this system was verified by an agrobacterium-mediated genetic transformation in rice. The system reported here provides a much more efficient and simpler procedure to construct expression clones for CRISPR/Cas9-mediated genome editing.
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Affiliation(s)
- Xiaoli Liu
- College of Tropical Crops, Hainan University, Haikou, Hainan, China
| | - Xiujuan Zhou
- College of Tropical Crops, Hainan University, Haikou, Hainan, China
| | - Kang Li
- National Key Laboratory of Crop Genetic Improvement and National Centre of Plant Gene Research, Huazhong Agricultural University, Wuhan, Hubei, China
| | - Dehong Wang
- National Key Laboratory of Crop Genetic Improvement and National Centre of Plant Gene Research, Huazhong Agricultural University, Wuhan, Hubei, China
| | - Yuanhao Ding
- College of Tropical Crops, Hainan University, Haikou, Hainan, China
| | - Xianqing Liu
- College of Tropical Crops, Hainan University, Haikou, Hainan, China
| | - Jie Luo
- College of Tropical Crops, Hainan University, Haikou, Hainan, China.,National Key Laboratory of Crop Genetic Improvement and National Centre of Plant Gene Research, Huazhong Agricultural University, Wuhan, Hubei, China
| | - Chuanying Fang
- College of Tropical Crops, Hainan University, Haikou, Hainan, China
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42
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Fang C, Yang J, Ding W, Li K, Weng D, Wu P, Chen G, Ma D, Wei J. Incidence of symptomatic deep vein thrombosis after gynecological surgery: a retrospective study in Chinese population. EUR J GYNAECOL ONCOL 2019. [DOI: 10.12892/ejgo4675.2019] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
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43
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Li K, Wang D, Gong L, Lyu Y, Guo H, Chen W, Jin C, Liu X, Fang C, Luo J. Comparative analysis of metabolome of rice seeds at three developmental stages using a recombinant inbred line population. Plant J 2019; 100:908-922. [PMID: 31355982 PMCID: PMC6899760 DOI: 10.1111/tpj.14482] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/14/2019] [Revised: 07/13/2019] [Accepted: 07/23/2019] [Indexed: 05/23/2023]
Abstract
Plants are considered an important food and nutrition source for humans. Despite advances in plant seed metabolomics, knowledge about the genetic and molecular bases of rice seed metabolomes at different developmental stages is still limited. Here, using Zhenshan 97 (ZS97) and Minghui 63 (MH63), we performed a widely targeted metabolic profiling in seeds during grain filling, mature seeds and germinating seeds. The diversity between MH63 and ZS97 was characterized in terms of the content of metabolites and the metabolic shifting across developmental stages. Taking advantage of the ultra-high-density genetic map of a population of 210 recombinant inbred lines (RILs) derived from a cross between ZS97 and MH63, we identified 4681 putative metabolic quantitative trait loci (mQTLs) in seeds across the three stages. Further analysis of the mQTLs for the codetected metabolites across the three stages revealed that the genetic regulation of metabolite accumulation was closely related to developmental stage. Using in silico analyses, we characterized 35 candidate genes responsible for 30 structurally identified or annotated compounds, among which LOC_Os07g04970 and LOC_Os06g03990 were identified to be responsible for feruloylserotonin and l-asparagine content variation across populations, respectively. Metabolite-agronomic trait association and colocation between mQTLs and phenotypic quantitative trait loci (pQTLs) revealed the complexity of the metabolite-agronomic trait relationship and the corresponding genetic basis.
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Affiliation(s)
- Kang Li
- National Key Laboratory of Crop Genetic Improvement and National Center of Plant ResearchHuazhong Agricultural UniversityWuhan430070China
| | - Dehong Wang
- National Key Laboratory of Crop Genetic Improvement and National Center of Plant ResearchHuazhong Agricultural UniversityWuhan430070China
| | - Liang Gong
- The Jackson Laboratory for Genomic MedicineFarmingtonCTUSA
| | - Yuanyuan Lyu
- National Key Laboratory of Crop Genetic Improvement and National Center of Plant ResearchHuazhong Agricultural UniversityWuhan430070China
| | - Hao Guo
- National Key Laboratory of Crop Genetic Improvement and National Center of Plant ResearchHuazhong Agricultural UniversityWuhan430070China
| | - Wei Chen
- College of Plant Science and TechnologyHuazhong Agricultural UniversityWuhan430070China
| | - Cheng Jin
- National Key Laboratory of Crop Genetic Improvement and National Center of Plant ResearchHuazhong Agricultural UniversityWuhan430070China
| | - Xianqing Liu
- Hainan Key Laboratory for Sustainable Utilization of Tropical BioresourceCollege of Tropical CropsHainan UniversityHaikou570288China
| | - Chuanying Fang
- Hainan Key Laboratory for Sustainable Utilization of Tropical BioresourceCollege of Tropical CropsHainan UniversityHaikou570288China
| | - Jie Luo
- National Key Laboratory of Crop Genetic Improvement and National Center of Plant ResearchHuazhong Agricultural UniversityWuhan430070China
- Hainan Key Laboratory for Sustainable Utilization of Tropical BioresourceCollege of Tropical CropsHainan UniversityHaikou570288China
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44
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Li J, Yao M, Zhu X, Li Q, He J, Chen L, Wang W, Zhu C, Shen T, Cao R, Fang C. Response to the Letter to the Editor: "YAP-Induced Endothelial-Mesenchymal Transition in Oral Submucous Fibrosis". J Dent Res 2019; 99:116. [PMID: 31725356 DOI: 10.1177/0022034519888846] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Affiliation(s)
- J Li
- Department of Stomatology, Xiangya Hospital, Central South University, Changsha, China.,Center for Molecular Medicine, Xiangya Hospital, Central South University, Changsha, China
| | - M Yao
- Department of Stomatology, Xiangya Hospital, Central South University, Changsha, China
| | - X Zhu
- Department of Stomatology, Xiangya Hospital, Central South University, Changsha, China
| | - Q Li
- Department of Stomatology, The Second Xiangya Hospital, Central South University, Changsha, China
| | - J He
- Center for Molecular Medicine, Xiangya Hospital, Central South University, Changsha, China
| | - L Chen
- Center for Molecular Medicine, Xiangya Hospital, Central South University, Changsha, China
| | - W Wang
- Department of Stomatology, Xiangya Hospital, Central South University, Changsha, China
| | - C Zhu
- Department of Stomatology, Xiangya Hospital, Central South University, Changsha, China
| | - T Shen
- Department of Stomatology, Xiangya Hospital, Central South University, Changsha, China
| | - R Cao
- Department of Prosthodontics, Xiangya School of Stomatology, Central South University, Changsha, China
| | - C Fang
- Department of Stomatology, Xiangya Hospital, Central South University, Changsha, China
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45
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Sahd L, Fang C, Baker S, Orsega-Smith E, Wiens K. Barriers to Cooking and Culinary Confidence Among College Athletes. J Acad Nutr Diet 2019. [DOI: 10.1016/j.jand.2019.08.034] [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: 11/27/2022]
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46
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Li J, Yao M, Zhu X, Li Q, He J, Chen L, Wang W, Zhu C, Shen T, Cao R, Fang C. YAP-Induced Endothelial-Mesenchymal Transition in Oral Submucous Fibrosis. J Dent Res 2019; 98:920-929. [PMID: 31282845 DOI: 10.1177/0022034519851804] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Abstract
Oral submucous fibrosis (OSF) is a potentially malignant disorder. Current studies have shown that chewing areca nut is considered the main cause of OSF, and endothelial-mesenchymal transformation (EndMT) participates in the occurrence and development of the fibrotic lesion. However, the specific molecular mechanisms and treatments remain unclear. Here, we report the mechanism of arecoline-induced EndMT and the importance of this mechanism in OSF, and we also identify potential therapeutics for decreasing OSF incidence. We demonstrate the overexpression of Yes-associated protein (YAP) in human samples and that it was significantly associated with OSF pathologic stage. Arecoline activated YAP by increasing reactive oxygen species levels and inducing the PERK pathway (eukaryotic translation initiation factor 2 alpha kinase 3), resulting in the initiation of EndMT and leading to OSF. Verteporfin, a YAP–TEA domain pathway inhibitor, suppressed EndMT and decreased collagen accumulation, resulting in the alleviation of OSF in mice. These data indicate that arecoline regulates the activity of YAP and highlight an alternative method for treating OSF.
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Affiliation(s)
- J. Li
- Department of Stomatology, Xiangya Hospital, Central South University, Changsha, China
- Center for Molecular Medicine, Xiangya Hospital, Central South University, Changsha, China
| | - M. Yao
- Department of Stomatology, Xiangya Hospital, Central South University, Changsha, China
| | - X. Zhu
- Department of Stomatology, Xiangya Hospital, Central South University, Changsha, China
| | - Q. Li
- Department of Stomatology, the Second Xiangya Hospital, Central South University, Changsha, China
| | - J. He
- Center for Molecular Medicine, Xiangya Hospital, Central South University, Changsha, China
| | - L. Chen
- Center for Molecular Medicine, Xiangya Hospital, Central South University, Changsha, China
| | - W. Wang
- Department of Stomatology, Xiangya Hospital, Central South University, Changsha, China
| | - C. Zhu
- Department of Stomatology, Xiangya Hospital, Central South University, Changsha, China
| | - T. Shen
- Department of Stomatology, Xiangya Hospital, Central South University, Changsha, China
| | - R. Cao
- Department of Prosthodontics, Xiangya School of Stomatology, Central South University, Changsha, China
| | - C. Fang
- Department of Stomatology, Xiangya Hospital, Central South University, Changsha, China
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47
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Su Y, Lee C, Hsieh S, Liu M, Fang C, Chen C, Lee W, Yen Y, Whang-peng J, Chao T. A NEW PROPOSAL FOR IDENTIFICATION OF DOUBLE-HIT DIFFUSE LARGE B-CELL LYMPHOMA BASED ON THE PREDOMINANCE OF DOUBLE HITS INVOLVING BCL6 REARRANGEMENT IN TAIWAN. Hematol Oncol 2019. [DOI: 10.1002/hon.16_2631] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Y. Su
- Hematology/oncology; Shuang-Ho Hospital; New Taipei Taiwan (Republic of China)
| | - C. Lee
- Anatomic Pathology; Taipei Institute of Pathology; Taipei Taiwan (Republic of China)
| | - S. Hsieh
- Pathology; Shuang-Ho Hospital; New Taipei Taiwan (Republic of China)
| | - M. Liu
- Pathology; Shuang-Ho Hospital; New Taipei Taiwan (Republic of China)
| | - C. Fang
- Pathology; Wan-Fang Hospital; Taipei Taiwan (Republic of China)
| | - C. Chen
- Pathology; Taipei Medical University Hospital; Taipei Taiwan (Republic of China)
| | - W. Lee
- Pathology; Shuang-Ho Hospital; New Taipei Taiwan (Republic of China)
| | - Y. Yen
- The Ph.D. Program for Cancer Molecular Biology and Drug Discovery; College of Medical Science and Technology, Taipei Medical University; Taipei Taiwan (Republic of China)
| | - J. Whang-peng
- Taipei Cancer Center; Taipei Medical University; Taipei Taiwan (Republic of China)
| | - T. Chao
- Hematology/oncology; Shuang-Ho Hospital; New Taipei Taiwan (Republic of China)
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48
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Batohi B, Fang C, Michell MJ, Morel J, Shah C, Wijesuriya S, Peacock C, Rahim R, Wasan R, Goligher J, Satchithananda K. An audit of mammographic screen detected lesions of uncertain malignant potential (B3) diagnosed on initial image guided needle biopsy: how has our practice changed over 10 years? Clin Radiol 2019; 74:653.e19-653.e25. [PMID: 31078275 DOI: 10.1016/j.crad.2019.04.006] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2018] [Accepted: 04/03/2019] [Indexed: 11/25/2022]
Abstract
AIM To review all cases of B3 lesion diagnosed at initial image-guided needle biopsy over two 5-year cohorts to identify upgrade rates to malignancy and the effect of changing guidance on the management of such lesions. MATERIALS AND METHODS Data was collected retrospectively. Mammographic features, biopsy type and management were recorded for each lesion. Upgrade rates for each B3 histological category were quantified. Statistical analysis was performed using SPSS. RESULTS There were 224 cases in 2005-2010 and 240 cases in 2010-2015. Mammographically 211 lesions were microcalcifications, 182 masses, 65 distortions and six asymmetric densities with no difference in the mammographic features in the two cohorts. Two hundred and eight 14 G core biopsies and 256 initial vacuum-assisted biopsies were performed. There was a statistically significant reduction in benign surgical biopsies and an increase in second-line vacuum biopsy/excision in the latter cohort, with no significant change in the upgrade rate. There was an overall 6% upgrade to invasive malignancy and 13% upgrade to ductal carcinoma in situ (DCIS). The upgrade rates for the following histological categories were atypical intraductal epithelial proliferation (AIDEP) 33.2% (21/63); classical (not pleomorphic) in situ lobular neoplasia (ISLN) 18.2% (6/33); flat epithelial hyperplasia (FEA) 21.7% (20/92); papilloma with atypia 53.8% (7/13), without atypia 12.1% (8/66); and radial scar/complex sclerosing lesion with atypia 16.7% (2/12), and without atypia 7.9% (6/76). CONCLUSION Upgrade rates remain high for some histological categories even with first-line use of vacuum biopsy. Management of borderline lesions should be considered carefully in a multidisciplinary meeting. In many cases, the need for diagnostic surgical excision has been replaced by image-guided vacuum sampling.
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Affiliation(s)
- B Batohi
- Department of Breast Radiology and National Breast Screening Training Centre, King's College Hospital, Denmark Hill, London SE5 9RS, UK.
| | - C Fang
- Department of Breast Radiology and National Breast Screening Training Centre, King's College Hospital, Denmark Hill, London SE5 9RS, UK
| | - M J Michell
- Department of Breast Radiology and National Breast Screening Training Centre, King's College Hospital, Denmark Hill, London SE5 9RS, UK
| | - J Morel
- Department of Breast Radiology and National Breast Screening Training Centre, King's College Hospital, Denmark Hill, London SE5 9RS, UK
| | - C Shah
- Department of Breast Radiology and National Breast Screening Training Centre, King's College Hospital, Denmark Hill, London SE5 9RS, UK
| | - S Wijesuriya
- Department of Breast Radiology and National Breast Screening Training Centre, King's College Hospital, Denmark Hill, London SE5 9RS, UK
| | - C Peacock
- Department of Breast Radiology and National Breast Screening Training Centre, King's College Hospital, Denmark Hill, London SE5 9RS, UK
| | - R Rahim
- Department of Breast Radiology and National Breast Screening Training Centre, King's College Hospital, Denmark Hill, London SE5 9RS, UK
| | - R Wasan
- Department of Breast Radiology and National Breast Screening Training Centre, King's College Hospital, Denmark Hill, London SE5 9RS, UK
| | - J Goligher
- Department of Breast Radiology and National Breast Screening Training Centre, King's College Hospital, Denmark Hill, London SE5 9RS, UK
| | - K Satchithananda
- Department of Breast Radiology and National Breast Screening Training Centre, King's College Hospital, Denmark Hill, London SE5 9RS, UK
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49
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Fu BB, Yi CJ, Zhang TT, Caputo M, Ma JZ, Gao X, Lv BQ, Kong LY, Huang YB, Richard P, Shi M, Strocov VN, Fang C, Weng HM, Shi YG, Qian T, Ding H. Dirac nodal surfaces and nodal lines in ZrSiS. Sci Adv 2019; 5:eaau6459. [PMID: 31058219 PMCID: PMC6499591 DOI: 10.1126/sciadv.aau6459] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/02/2018] [Accepted: 03/21/2019] [Indexed: 05/30/2023]
Abstract
Topological semimetals are characterized by symmetry-protected band crossings, which can be preserved in different dimensions in momentum space, forming zero-dimensional nodal points, one-dimensional nodal lines, or even two-dimensional nodal surfaces. Materials harboring nodal points and nodal lines have been experimentally verified, whereas experimental evidence of nodal surfaces is still lacking. Here, using angle-resolved photoemission spectroscopy (ARPES), we reveal the coexistence of Dirac nodal surfaces and nodal lines in the bulk electronic structures of ZrSiS. As compared with previous ARPES studies on ZrSiS, we obtained pure bulk states, which enable us to extract unambiguously intrinsic information of the bulk nodal surfaces and nodal lines. Our results show that the nodal lines are the only feature near the Fermi level and constitute the whole Fermi surfaces. We not only prove that the low-energy quasiparticles in ZrSiS are contributed entirely by Dirac fermions but also experimentally realize the nodal surface in topological semimetals.
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Affiliation(s)
- B.-B. Fu
- Beijing National Laboratory for Condensed Matter Physics and Institute of Physics, Chinese Academy of Sciences, Beijing 100190, China
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - C.-J. Yi
- Beijing National Laboratory for Condensed Matter Physics and Institute of Physics, Chinese Academy of Sciences, Beijing 100190, China
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - T.-T. Zhang
- Beijing National Laboratory for Condensed Matter Physics and Institute of Physics, Chinese Academy of Sciences, Beijing 100190, China
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - M. Caputo
- Paul Scherrer Institute, Swiss Light Source, CH-5232 Villigen PSI, Switzerland
| | - J.-Z. Ma
- Beijing National Laboratory for Condensed Matter Physics and Institute of Physics, Chinese Academy of Sciences, Beijing 100190, China
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - X. Gao
- Beijing National Laboratory for Condensed Matter Physics and Institute of Physics, Chinese Academy of Sciences, Beijing 100190, China
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - B. Q. Lv
- Beijing National Laboratory for Condensed Matter Physics and Institute of Physics, Chinese Academy of Sciences, Beijing 100190, China
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - L.-Y. Kong
- Beijing National Laboratory for Condensed Matter Physics and Institute of Physics, Chinese Academy of Sciences, Beijing 100190, China
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Y.-B. Huang
- Shanghai Synchrotron Radiation Facility, Shanghai Institute of Applied Physics, Chinese Academy of Sciences, Shanghai 201204, China
| | - P. Richard
- Beijing National Laboratory for Condensed Matter Physics and Institute of Physics, Chinese Academy of Sciences, Beijing 100190, China
| | - M. Shi
- Paul Scherrer Institute, Swiss Light Source, CH-5232 Villigen PSI, Switzerland
| | - V. N. Strocov
- Paul Scherrer Institute, Swiss Light Source, CH-5232 Villigen PSI, Switzerland
| | - C. Fang
- Beijing National Laboratory for Condensed Matter Physics and Institute of Physics, Chinese Academy of Sciences, Beijing 100190, China
- Songshan Lake Materials Laboratory, Dongguan, Guangdong 523808, China
- CAS Center for Excellence in Topological Quantum Computation, University of Chinese Academy of Sciences, Beijing 100190, China
| | - H.-M. Weng
- Beijing National Laboratory for Condensed Matter Physics and Institute of Physics, Chinese Academy of Sciences, Beijing 100190, China
- University of Chinese Academy of Sciences, Beijing 100049, China
- Songshan Lake Materials Laboratory, Dongguan, Guangdong 523808, China
| | - Y.-G. Shi
- Beijing National Laboratory for Condensed Matter Physics and Institute of Physics, Chinese Academy of Sciences, Beijing 100190, China
- Songshan Lake Materials Laboratory, Dongguan, Guangdong 523808, China
| | - T. Qian
- Beijing National Laboratory for Condensed Matter Physics and Institute of Physics, Chinese Academy of Sciences, Beijing 100190, China
- Songshan Lake Materials Laboratory, Dongguan, Guangdong 523808, China
- CAS Center for Excellence in Topological Quantum Computation, University of Chinese Academy of Sciences, Beijing 100190, China
| | - H. Ding
- Beijing National Laboratory for Condensed Matter Physics and Institute of Physics, Chinese Academy of Sciences, Beijing 100190, China
- University of Chinese Academy of Sciences, Beijing 100049, China
- Songshan Lake Materials Laboratory, Dongguan, Guangdong 523808, China
- CAS Center for Excellence in Topological Quantum Computation, University of Chinese Academy of Sciences, Beijing 100190, China
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50
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Jane-Wit D, Fang C, Liu L, Qin L, Li G, Tellides G, Pober J. ZFYVE21 is a Novel Complement-Induced Rab5 Effector Protein Mediating Cardiac Allograft Vasculopathy. J Heart Lung Transplant 2019. [DOI: 10.1016/j.healun.2019.01.618] [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: 11/25/2022] Open
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