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Liu YT, Fan H, Hu JJ, Zhou ZH. Overcoming the preferred orientation problem in cryoEM with self-supervised deep-learning. bioRxiv 2024:2024.04.11.588921. [PMID: 38645074 PMCID: PMC11030451 DOI: 10.1101/2024.04.11.588921] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/23/2024]
Abstract
While advances in single-particle cryoEM have enabled the structural determination of macromolecular complexes at atomic resolution, particle orientation bias (the so-called "preferred" orientation problem) remains a complication for most specimens. Existing solutions have relied on biochemical and physical strategies applied to the specimen and are often complex and challenging. Here, we develop spIsoNet, an end-to-end self-supervised deep-learning-based software to address the preferred orientation problem. Using preferred-orientation views to recover molecular information in under-sampled views, spIsoNet improves both angular isotropy and particle alignment accuracy during 3D reconstruction. We demonstrate spIsoNet's capability of generating near-isotropic reconstructions from representative biological systems with limited views, including ribosomes, β-galactosidases, and a previously intractable hemagglutinin trimer dataset. spIsoNet can also be generalized to improve map isotropy and particle alignment of preferentially oriented molecules in subtomogram averaging. Therefore, without additional specimen-preparation procedures, spIsoNet provides a general computational solution to the preferred orientation problem.
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Yang XY, Dong ZZ, Wang XQ, Liu YT, Zhan SY, Wang SF. [Application and advancement of digital teaching materials in teaching epidemiology]. Zhonghua Liu Xing Bing Xue Za Zhi 2024; 45:597-601. [PMID: 38678359 DOI: 10.3760/cma.j.cn112338-20230918-00167] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Subscribe] [Scholar Register] [Indexed: 04/29/2024]
Abstract
This study aims at examining the application and development of digital teaching materials in the field of epidemiology, encompassing both China and international contexts. The research involved conducting search on websites and literature databases to assess the status of digital teaching materials in epidemiology, nationally and internationally. At present, in China, digital teaching materials used in epidemiology are primarily presented in the form of printed books with added QR codes, providing teaching resources such as videos and exercises. However, issues with the level of interactivity have been identified. In foreign countries, with stronger emphasis placed on personalization, interactivity, and the use of rich media technologies in the digital teaching materials, epidemiologically. Enhanced digitization regarding materials and learning outcomes is achieved through features such as real-time notes, interactive animations, and quizzes. These approaches are considered worth considering for adoption. This study provides valuable insights for the digital transformation of epidemiology education.
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Affiliation(s)
- X Y Yang
- Department of Epidemiology and Biostatistics, School of Public Health, Peking University, Beijing 100191, China
| | - Z Z Dong
- Institute of Child and Adolescent Health, Peking University, Beijing 100191, China
| | - X Q Wang
- Center for Excellent Teaching and Learning, Peking University, Beijing 100871, China
| | - Y T Liu
- Peking University Medical Press, Beijing 100191, China
| | - S Y Zhan
- Department of Epidemiology and Biostatistics, School of Public Health, Peking University, Beijing 100191, China Key Laboratory of Epidemiology of Major Diseases (Peking University), Ministry of Education, Beijing 100191, China Research Center of Clinical Epidemiology, Peking University Third Hospital, Beijing 100191, China
| | - S F Wang
- Department of Epidemiology and Biostatistics, School of Public Health, Peking University, Beijing 100191, China Key Laboratory of Epidemiology of Major Diseases (Peking University), Ministry of Education, Beijing 100191, China
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Wang MF, Liu Y, Liu YT. [Comparative study on the degradation rate and regulatory effects of two resorbable collagen membranes during the in vivo implantation]. Zhonghua Kou Qiang Yi Xue Za Zhi 2024; 59:364-373. [PMID: 38548593 DOI: 10.3760/cma.j.cn112144-20231127-00269] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Subscribe] [Scholar Register] [Indexed: 04/13/2024]
Abstract
Objective: To explore the differences in the performance and tissue repair promotion effects of small intestinal submucosa membrane (SIS membrane) and Bio-Gide resorbable collagen membrane (Bio-Gide membrane) by performing the subcutaneous implantation models in mice. Methods: For in vivo studies, we stablished membrane implantation models using 6-8 week-old male C57BL/6 mice. The degradation rates were explored through HE staining analysis at different time points (1, 3, 5, 7, 14 and 28 d, 3 mice/group/time point). The influences of the two membranes on local macrophages and neovasculum were evaluated by immunofluorescence detection of F4/80 and CD31, and the mobilization effects of the two membranes on local stem cells were evaluated by immunohistochemical detection of Ki67 and CD146. For in vitro studies, mice periodontal ligament stem cells (mPDLSCs) were co-cultured with these two membrane materials, and the cell morphologies were observed by scanning electron microscopy. In addition, the gene expressions of Ki67, Cxcl1, Ccl1, Tnfa were investigated by real-time fluorescence quantitative PCR (RT-qPCR). Results: The results of in vivo studies showed that by day 28, there was no significant difference in degradation rate between these two membrane materials [SIS degradation rate: (16.84±4.00) %, Bio-Gide degradation rate: (24.07±3.97) %, P=0.090], illustrating that both of them could maintain the barrier effects for more than one month. In addition, there was no significant difference in the infiltration number of local F4/80 positive macrophages between these two groups by the day 3 after implantation [SIS: (20.67±5.69) cells/visual field, Bio-Gide: (25.33±2.52) cells/visual field, P=0.292]. However, compared with the Bio-Gide membrane, SIS membrane significantly promoted local CD31+vascular regeneration [SIS: (4.67±1.15) cells/visual field, Bio-Gide: (1.00±1.00) cells/visual field, P=0.015] and CD146+stem cell recruitment [SIS: (22.33±4.16) cells/visual field, Bio-Gide: (11.33±2.52) cells/visual field, P=0.025]. The RT-qPCR results also showed that SIS membrane promoted the gene expression of Cxcl1 (SIS vs Bio-Gide P<0.001) in mPDLSCs, but had no effect on the gene expression of Tnfa (SIS vs Bio-Gide P=0.885). Conclusions: SIS membrane showed a similar degradation rate compared with Bio-Gide membrane, and there was no significant difference in the effects of these two membranes on local inflammation or macrophages. Therefore, both of these membranes could meet the barrier effects required by guided tissue regeneration.
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Affiliation(s)
- M F Wang
- Department of Periodontics, School of Stomatology, Capital Medical University, Beijing 100050, China
| | - Y Liu
- Department of Periodontics, School of Stomatology, Capital Medical University, Beijing 100050, China
| | - Y T Liu
- Department of Periodontics, School of Stomatology, Capital Medical University, Beijing 100050, China
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Jih J, Liu YT, Liu W, Zhou ZH. The incredible bulk: Human cytomegalovirus tegument architectures uncovered by AI-empowered cryo-EM. Sci Adv 2024; 10:eadj1640. [PMID: 38394211 PMCID: PMC10889378 DOI: 10.1126/sciadv.adj1640] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/09/2023] [Accepted: 01/22/2024] [Indexed: 02/25/2024]
Abstract
The compartmentalization of eukaryotic cells presents considerable challenges to the herpesvirus life cycle. The herpesvirus tegument, a bulky proteinaceous aggregate sandwiched between herpesviruses' capsid and envelope, is uniquely evolved to address these challenges, yet tegument structure and organization remain poorly characterized. We use deep-learning-enhanced cryogenic electron microscopy to investigate the tegument of human cytomegalovirus virions and noninfectious enveloped particles (NIEPs; a genome packaging-aborted state), revealing a portal-biased tegumentation scheme. We resolve atomic structures of portal vertex-associated tegument (PVAT) and identify multiple configurations of PVAT arising from layered reorganization of pUL77, pUL48 (large tegument protein), and pUL47 (inner tegument protein) assemblies. Analyses show that pUL77 seals the last-packaged viral genome end through electrostatic interactions, pUL77 and pUL48 harbor a head-linker-capsid-binding motif conducive to PVAT reconfiguration, and pUL47/48 dimers form 45-nm-long filaments extending from the portal vertex. These results provide a structural framework for understanding how herpesvirus tegument facilitates and evolves during processes spanning viral genome packaging to delivery.
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Affiliation(s)
- Jonathan Jih
- Molecular Biology Institute, University of California, Los Angeles (UCLA), Los Angeles, CA 90095, USA
- California NanoSystems Institute, University of California, Los Angeles (UCLA), Los Angeles, CA 90095, USA
- Department of Microbiology, Immunology, and Molecular Genetics, University of California, Los Angeles (UCLA), Los Angeles, CA 90095, USA
| | - Yun-Tao Liu
- California NanoSystems Institute, University of California, Los Angeles (UCLA), Los Angeles, CA 90095, USA
- Department of Microbiology, Immunology, and Molecular Genetics, University of California, Los Angeles (UCLA), Los Angeles, CA 90095, USA
| | - Wei Liu
- California NanoSystems Institute, University of California, Los Angeles (UCLA), Los Angeles, CA 90095, USA
| | - Z. Hong Zhou
- Molecular Biology Institute, University of California, Los Angeles (UCLA), Los Angeles, CA 90095, USA
- California NanoSystems Institute, University of California, Los Angeles (UCLA), Los Angeles, CA 90095, USA
- Department of Microbiology, Immunology, and Molecular Genetics, University of California, Los Angeles (UCLA), Los Angeles, CA 90095, USA
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Kang JS, Zhou X, Liu YT, Wang K, Zhou ZH. Theoretical framework and experimental solution for the air-water interface adsorption problem in cryoEM. bioRxiv 2023:2023.05.23.541984. [PMID: 37961330 PMCID: PMC10634880 DOI: 10.1101/2023.05.23.541984] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/15/2023]
Abstract
As cryogenic electron microscopy (cryoEM) gains traction in the structural biology community as a method of choice for determining atomic structures of biological complexes, it has been increasingly recognized that many complexes that behave well under conventional negative-stain electron microscopy tend to have preferential orientation, aggregate or simply mysteriously "disappear" on cryoEM grids, but the reasons for such misbehavior are not well understood, limiting systematic approaches to solving the problem. Here, we have developed a theoretical formulation that explains these observations. Our formulation predicts that all particles migrate to the air-water interface (AWI) to lower the total potential surface energy - rationalizing the use of surfactant, which is a direct solution to reducing the surface tension of the aqueous solution. By conducting cryogenic electron tomography (cryoET) with the widely-tested sample, GroEL, we demonstrate that, in a standard buffer solution, nearly all particles migrate to the AWI. Gradual reduction of the surface tension by introducing surfactants decreased the percentage of particles exposed to the surface. By conducting single-particle cryoEM, we confirm that applicable surfactants do not damage the biological complex, thus suggesting that they might offer a practical, simple, and general solution to the problem for high-resolution cryoEM. Application of this solution to a real-world AWI adsorption problem with a more challenging membrane protein, namely, the ClC-1 channel, has led to its first near-atomic structure using cryoEM.
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Kang JS, Zhou X, Liu YT, Wang K, Zhou ZH. Theoretical framework and experimental solution for the air-water interface adsorption problem in cryoEM. Biophys Rep 2023; 9:215-229. [PMID: 38516618 PMCID: PMC10951471 DOI: 10.52601/bpr.2023.230008] [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: 10/07/2023] [Accepted: 10/31/2023] [Indexed: 03/23/2024] Open
Abstract
As cryogenic electron microscopy (cryoEM) gains traction in the structural biology community as a method of choice for determining atomic structures of biological complexes, it has been increasingly recognized that many complexes that behave well under conventional negative-stain electron microscopy tend to have preferential orientation, aggregate or simply mysteriously "disappear" on cryoEM grids. However, the reasons for such misbehavior are not well understood, which limits systematic approaches to solving the problem. Here, we have developed a theoretical formulation that explains these observations. Our formulation predicts that all particles migrate to the air-water interface (AWI) to lower the total potential surface energy-rationalizing the use of surfactant, which is a direct solution to reduce the surface tension of the aqueous solution. By performing cryogenic electron tomography (cryoET) on the widely-tested sample, GroEL, we demonstrate that, in a standard buffer solution, nearly all particles migrate to the AWI. Gradually reducing the surface tension by introducing surfactants decreased the percentage of particles exposed to the surface. By conducting single-particle cryoEM, we confirm that suitable surfactants do not damage the biological complex, thus suggesting that they might provide a practical, simple, and general solution to the problem for high-resolution cryoEM. Applying this solution to a real-world AWI adsorption problem involving a more challenging membrane protein, namely, the ClC-1 channel, has resulted in its near-atomic structure determination using cryoEM.
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Affiliation(s)
- Joon S. Kang
- Department of Microbiology, Immunology & Molecular Genetics, University of California, Los Angeles (UCLA), Los Angeles, CA 90095, USA
- Molecular Biology Institute, UCLA, Los Angeles, CA 90095, USA
| | - Xueting Zhou
- Department of Microbiology, Immunology & Molecular Genetics, University of California, Los Angeles (UCLA), Los Angeles, CA 90095, USA
| | - Yun-Tao Liu
- Department of Microbiology, Immunology & Molecular Genetics, University of California, Los Angeles (UCLA), Los Angeles, CA 90095, USA
- California NanoSystems Institute, UCLA, Los Angeles, CA 90095, USA
| | - Kaituo Wang
- Department of Microbiology, Immunology & Molecular Genetics, University of California, Los Angeles (UCLA), Los Angeles, CA 90095, USA
- California NanoSystems Institute, UCLA, Los Angeles, CA 90095, USA
| | - Z. Hong Zhou
- Department of Microbiology, Immunology & Molecular Genetics, University of California, Los Angeles (UCLA), Los Angeles, CA 90095, USA
- Molecular Biology Institute, UCLA, Los Angeles, CA 90095, USA
- California NanoSystems Institute, UCLA, Los Angeles, CA 90095, USA
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Liu YT, Hu J, Zhou ZH. Resolving the Preferred Orientation Problem in CryoEM Reconstruction with Self-Supervised Deep Learning. Microsc Microanal 2023; 29:1918-1919. [PMID: 37612958 DOI: 10.1093/micmic/ozad067.991] [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] [Subscribe] [Scholar Register] [Indexed: 08/25/2023]
Affiliation(s)
- Yun-Tao Liu
- California NanoSystems Institute, University of California, Los Angeles (UCLA), Los Angeles, California, United States
| | - Jason Hu
- California NanoSystems Institute, University of California, Los Angeles (UCLA), Los Angeles, California, United States
| | - Z Hong Zhou
- California NanoSystems Institute, University of California, Los Angeles (UCLA), Los Angeles, California, United States
- Department of Microbiology, Immunology, and Molecular Genetics, UCLA, Los Angeles, California, United States
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Lee JK, Liu YT, Hu JJ, Aphasizheva I, Aphasizhev R, Zhou ZH. CryoEM reveals oligomeric isomers of a multienzyme complex and assembly mechanics. J Struct Biol X 2023; 7:100088. [PMID: 37128595 PMCID: PMC10148081 DOI: 10.1016/j.yjsbx.2023.100088] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2022] [Revised: 03/13/2023] [Accepted: 04/07/2023] [Indexed: 05/03/2023] Open
Abstract
Propionyl-CoA carboxylase (PCC) is a multienzyme complex consisting of up to six α-subunits and six β-subunits. Belonging to a metabolic pathway converging on the citric acid cycle, it is present in most forms of life and irregularities in its assembly lead to serious illness in humans, known as propionic acidemia. Here, we report the cryogenic electron microscopy (cryoEM) structures and assembly of different oligomeric isomers of endogenous PCC from the parasitic protozoan Leishmania tarentolae (LtPCC). These structures and their statistical distribution reveal the mechanics of PCC assembly and disassembly at equilibrium. We show that, in solution, endogenous LtPCC β-subunits form stable homohexamers, to which different numbers of α-subunits attach. Sorting LtPCC particles into seven classes (i.e., oligomeric formulae α0β6, α1β6, α2β6, α3β6, α4β6, α5β6, α6β6) enables formulation of a model for PCC assembly. Our results suggest how multimerization regulates PCC enzymatic activity and showcase the utility of cryoEM in revealing the statistical mechanics of reaction pathways.
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Affiliation(s)
- Jane K.J. Lee
- Department of Microbiology, Immunology, and Molecular Genetics, University of California, Los Angeles (UCLA), Los Angeles, CA 90095, USA
- California NanoSystems Institute, UCLA, Los Angeles, CA 90095, USA
- Department of Psychology, UCLA, Los Angeles, CA 90095, USA
| | - Yun-Tao Liu
- Department of Microbiology, Immunology, and Molecular Genetics, University of California, Los Angeles (UCLA), Los Angeles, CA 90095, USA
- California NanoSystems Institute, UCLA, Los Angeles, CA 90095, USA
| | - Jason J. Hu
- Department of Microbiology, Immunology, and Molecular Genetics, University of California, Los Angeles (UCLA), Los Angeles, CA 90095, USA
- California NanoSystems Institute, UCLA, Los Angeles, CA 90095, USA
- Department of Mathematics, UCLA, Los Angeles, CA 90095, USA
| | - Inna Aphasizheva
- Department of Molecular and Cell Biology, Boston University Medical Campus (BUMC), Boston, MA 02118, USA
| | - Ruslan Aphasizhev
- Department of Molecular and Cell Biology, Boston University Medical Campus (BUMC), Boston, MA 02118, USA
- Department of Biochemistry, BUMC, Boston, MA 02118, USA
| | - Z. Hong Zhou
- Department of Microbiology, Immunology, and Molecular Genetics, University of California, Los Angeles (UCLA), Los Angeles, CA 90095, USA
- California NanoSystems Institute, UCLA, Los Angeles, CA 90095, USA
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Zeng Z, Yang YJ, Tu Q, Jian YY, Xie DM, Bai T, Li SS, Liu YT, Li C, Wang CX, Liu AP. Preparation and characterization of carboxymethyl chitosan/pullulan composite film incorporated with eugenol and its application in the preservation of chilled meat. Meat Sci 2023; 198:109085. [PMID: 36640716 DOI: 10.1016/j.meatsci.2022.109085] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2022] [Revised: 11/25/2022] [Accepted: 12/20/2022] [Indexed: 01/08/2023]
Abstract
To solve the problem of easy spoilage of chilled meat during storage, we fabricated a novel composite film using carboxymethyl chitosan (CMCS)/pullulan (Pul)/eugenol (E) by casting method. The results showed that the mechanical properties of the films were better when the CMCS/Pul ratio was 2.5/2.5. The Fourier transform infrared spectroscopy (FTIR) results showed that intermolecular hydrogen bonds were formed among E, CMCS, and Pul, which was consistent with the rheological test results. Scanning electron microscopic (SEM) images showed that eugenol was well dispersed in the CMCS/Pul matrix. The addition of eugenol significantly increased the antibacterial properties and antioxidant properties. Moreover, when 5% eugenol was added, the water vapor permeability (WVP) of the film reduced to 2.41 × 10-11 g/m·s·Pa. Finally, the freshness of the chilled meat wrapped with the eugenol-containing composite film was prolonged, thereby offering a potential alternative to synthetic materials.
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Affiliation(s)
- Zhen Zeng
- College of Food Science, Sichuan Agricultural University, Ya'an 625014, China.
| | - Yu-Jing Yang
- College of Food Science, Sichuan Agricultural University, Ya'an 625014, China
| | - Qian Tu
- College of Food Science, Sichuan Agricultural University, Ya'an 625014, China
| | - Yu-Ying Jian
- College of Food Science, Sichuan Agricultural University, Ya'an 625014, China
| | - Da-Ming Xie
- College of Food Science, Sichuan Agricultural University, Ya'an 625014, China
| | - Ting Bai
- Meat Processing Key Laboratory of Sichuan Province, Chengdu University, Chengdu 610106, China
| | - Shan-Shan Li
- College of Food Science, Sichuan Agricultural University, Ya'an 625014, China
| | - Yun-Tao Liu
- College of Food Science, Sichuan Agricultural University, Ya'an 625014, China
| | - Cheng Li
- College of Food Science, Sichuan Agricultural University, Ya'an 625014, China
| | - Cai-Xia Wang
- College of Food Science, Sichuan Agricultural University, Ya'an 625014, China
| | - Ai-Ping Liu
- College of Food Science, Sichuan Agricultural University, Ya'an 625014, China
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Zhang YH, Cui WJ, Song KX, Sun LG, Wang F, Liu XZ, Deng ZY, Zhang ZQ, Liu YT. [A prospective study of the perforator evaluation and eccentric design of anterolateral thigh flap based on superficial fascial perforators assisted by modified computed tomography angiography]. Zhonghua Shao Shang Yu Chuang Mian Xiu Fu Za Zhi 2023; 39:141-149. [PMID: 36878523 DOI: 10.3760/cma.j.cn501225-20220902-00376] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Subscribe] [Scholar Register] [Indexed: 03/08/2023]
Abstract
Objective: To explore the preoperative whole perforator evaluation and intraoperative eccentric design of anterolateral thigh flap (ALTF) based on superficial fascial perforators by modified computed tomography angiography (CTA), and the clinical effects were observed. Methods: A prospective observational study was adopted. Twelve patients with oral and maxillofacial tumors and 10 patients with open injury of the upper limb with large soft tissue defects were hospitalized in the Department of Hand & Microsurgery and Department of Oral & Maxillofacial Surgery of Affiliated Hospital of Binzhou Medical University from January 2021 to July 2022, with 12 males and 10 females, aged from 33 to 75 years, an average age of 56.6 years. The wounds of the patients with oral and maxillofacial tumors were reconstructed by ALTF after the extensive tumor resection and radical cervical lymph node dissection in the same stage; the wounds of the patients with skin and soft tissue defect on the upper limb were covered by ALTF in stage Ⅱ after debridement in stage Ⅰ. After debridement, the area of wound was 3.5 cm×3.5 cm-25.0 cm×10.0 cm and the area of the required flap area was 4.0 cm×4.0 cm-23.0 cm×13.0 cm. Modified CTA scan was performed on the donor site of ALTF before the operation, with the parameters of modified CTA being set to mainly reduce the tube voltage and tube current, and increase the contrast dose and the dual phase scan. The acquired image data were sent to GE AW 4.7 workstation and adopted the volume reconstruction function for visual reconstruction and evaluation of the whole perforator. The information of perforator and source artery was marked on the body surface before operation according to the above evaluation. During the operation, an eccentric flap centered on the visible superficial fascia whole perforator was designed and cut according to the desired flap area and shape. The donor sites of the flap were repaired by direct sutures or full-thickness skin grafts. The total radiation dose was compared between the modified CTA scan and the traditional CTA scan. The distribution of outlet point of perforator of double thighs, the length and direction of superficial fascia perforators based modified CTA were recorded. The type, number, and origin of the target perforator, distribution of of outlet point of perforator, and the diameter, course, and branch of the source artery observed before the operation were compared with those observed during the operation. The healing of donor site wound and the survival of flaps in recipient site were observed after operation. The texture and appearance of flap, oral and upper limb functions, and the functions of femoral donor sites were followed up. Results: The total radiation dose of modified CTA scan was lower than that of the traditional CTA scan. A total of 48 perforators of double thighs were observed, among which, 31 (64.6%) perforators went outward and downward, 9 (18.8%) perforators went inward and downward, 6 (12.5%) perforators went outward and upward, and 2 (4.2%) perforators went inward and upward, and the average length of superficial fascia perforators was 19.94 mm. The preoperative observed type, number, and source of the perforator, the distribution of the outlet point of the perforator, diameter, course, and branches of the source artery were basically consistent with the intraoperative exploration. The types of 15 septocutaneous (including musculoseptocutaneous) perforators and 10 musculocutaneous perforators observed before the operation was consistent with intraoperative exploration. The distance between the mark of the surface perforator point and the actual exit point of the perforator during operation was (0.38±0.11) mm. All flaps survived without vascular crisis. The donor site wounds of 5 cases of skin grafting and 17 cases of direct suturing wounds healed well. The postoperative follow-up was 2 months to 1 year, with an average of 8.2 months, the flaps were soft and slightly bloated; the function of diet and mouth closing was accessible in patients with oral and maxillofacial tumors, the speech function was mildly impaired in patients with tongue cancer, but they could complete basic oral communication; the wrist and elbow joints and forearm rotation function were not significantly limited in patients with upper limb soft tissue injuries; there was no obvious tightness in the donor sites, and the function of the hip and knee joints was not limited. Conclusions: The whole perforator and even the subcutaneous perforator of the donor site of ALTF can be evaluated by modified CTA, and the flap can be used in oral or maxillofacial reconstruction and repair of skin and soft tissue defects of upper limbs to achieve good results. By clarifying the type, number, and source of the perforator, the distribution of the outlet point of the perforator, diameter, course, and branches of the source artery before the operation, the eccentric design of the ALTF based on the superficial fascia perforator was realized. This study has strong guiding value.
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Affiliation(s)
- Y H Zhang
- Department of Hand & Microsurgery, the Affiliated Hospital of Binzhou Medical University, Binzhou 256600, China
| | - W J Cui
- Department of Radiology, the Affiliated Hospital of Binzhou Medical University, Binzhou 256600, China
| | - K X Song
- Department of Hand & Microsurgery, the Affiliated Hospital of Binzhou Medical University, Binzhou 256600, China
| | - L G Sun
- Department of Oral & Maxillofacial Surgery, the Affiliated Hospital of Binzhou Medical University, Binzhou 256600, China
| | - F Wang
- Department of Oral & Maxillofacial Surgery, the Affiliated Hospital of Binzhou Medical University, Binzhou 256600, China
| | - X Z Liu
- Department of Hand & Microsurgery, the Affiliated Hospital of Binzhou Medical University, Binzhou 256600, China
| | - Z Y Deng
- Department of Hand & Microsurgery, the Affiliated Hospital of Binzhou Medical University, Binzhou 256600, China
| | - Z Q Zhang
- Operating Room, the Affiliated Hospital of Binzhou Medical University, Binzhou 256600, China
| | - Y T Liu
- Department of Hand & Microsurgery, the Affiliated Hospital of Binzhou Medical University, Binzhou 256600, China
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Zhang D, Xue T, Qin Y, Liu YT, Chen H, Gao ZP, Huang XY, Ma BJ. [Dissolved Ion Concentrations and Isotope Values in Agricultural Fertilizer Locally Applied in Henan Province]. Huan Jing Ke Xue 2023; 44:1040-1050. [PMID: 36775627 DOI: 10.13227/j.hjkx.202201251] [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] [Indexed: 02/14/2023]
Abstract
Agricultural fertilizers (AFs) have provided vegetation with necessary nutrients, but unabsorbed constituents have been retarded in soil, potentially affecting the quality of adjacent surface water and groundwater. AFs element contents and stable isotope compositions have often been utilized to assess and calculate AFs pollution to nitrate and sulfate in surface water and groundwater; however, due to various AFs applied, the dissolved ion concentrations and isotope ratios are still unknown. This study collected commercial AF widely utilized in Henan province, China, to constrain their ion concentrations and isotope values. The dissolved ions (1 g AFs dissolved in 1 L ultrapure water), sulfate sulfur, and oxygen isotope values(δ34S and δ18O) were analyzed, and total nitrogen (TN) contents coupled with nitrogen isotope values(δ15N) in solid AFs were determined to elucidate their elemental and isotopic compositions. These characteristics provided a scientific basis for further assessing their contributions to surface water and groundwater contaminations. The results indicated that pH values in the AFs solutions varied from 3.6 to 10.2, with a mean value of 6.7±1.5 (n=30, 1σ). Sulfate (SO42-) and nitrate (NO3-) concentrations ranged from 4.38 mg·L-1 to 827.29 mg·L-1 and from 1.34 mg·L-1 to 208.90 mg·L-1, with median values of 192.80 mg·L-1 and 13.51 mg·L-1 and average values of (256.19±239.83) mg·L-1 (n=30) and (37.07±53.21) mg·L-1 (n=29), respectively. Dissolved sulfate δ34S and δ18O values in AFs varied from -3.5‰ to 19.0‰ and from 6.7‰ to 18.5‰, with median values of 4.1‰ and 10.1‰ and mean values of (5.8±5.5)‰ (n=22, 1σ) and (10.7±2.7)‰ (n=22, 1σ), respectively. TN and δ15N values in AFs ranged from 0.5% to 38.9% and from -2.7‰ to 3.4‰, with median values of 13.3% and 0.0‰ and average values of (14.8±9.3)% (n=25) and 0.0±1.5‰ (n=24, 1σ), respectively. The lower averaged δ34S values and positive averaged δ18O values potentially resulted from sulfuric acids added as raw materials, giving rise to a negative relationship between pH values and SO42- concentrations (P<0.05). The δ15N values of AFs were close to that of air N2, corresponding to the fact that NO3--N and NH4+-N were synthesized via air N2. Our results revealed the dissolved ion concentrations of SO42-, NO3-, and NH4+ and their δ34S, δ18O, and δ15N values of typically applied AFs in Henan province, which provided the scientific basis for studying the AFs contributions to SO42- and NO3- pollutions in surface water and groundwater surroundings.
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Affiliation(s)
- Dong Zhang
- School of Resource & Environment, Henan Polytechnic University, Jiaozuo 454003, China
| | - Tian Xue
- School of Resource & Environment, Henan Polytechnic University, Jiaozuo 454003, China
| | - Yong Qin
- College of Food Sciences, Xinyang Agriculture & Forestry University, Xinyang 464000, China
| | - Yun-Tao Liu
- The Fifth Institute of Geo-Exploration, Henan Bureau of Geo-Exploration & Mineral Development, Zhengzhou 450001, China.,Henan Province Research Center on Applied Engineering Technology of Hydrogeology, Zhengzhou 450001, China
| | - Hao Chen
- School of Resource & Environment, Henan Polytechnic University, Jiaozuo 454003, China
| | - Zhen-Peng Gao
- School of Resource & Environment, Henan Polytechnic University, Jiaozuo 454003, China
| | - Xing-Yu Huang
- School of Resource & Environment, Henan Polytechnic University, Jiaozuo 454003, China
| | - Bing-Juan Ma
- School of Resource & Environment, Henan Polytechnic University, Jiaozuo 454003, China
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12
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Liu YT, Zhu MJ, Yang M, Gao XC. [Imaging findings of supratentorial embryonal tumor with multilayered rosettes in children]. Zhonghua Yi Xue Za Zhi 2023; 103:215-218. [PMID: 36649993 DOI: 10.3760/cma.j.cn112137-20220608-01277] [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] [Indexed: 01/19/2023]
Abstract
We analyzed and summarized the imaging characteristics and clinical data of seven pediatric supratentorial embryonal tumors with multilayered rosettes (ETMR). There were four boys and three girls aged from two to six years old. Pediatric supratentorial ETMR often presented large cystic and solid mass, calcification, significant mass effect and mild peritumoral edema. The solid part often showed heterogeneous mild enhancement. In combination with the location of tumor and age of onset, the typical imaging manifestations of supratentorial ETMR in children are valuable for accurate diagnosis.
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Affiliation(s)
- Y T Liu
- Department of Radiology, Children's Hospital of Nanjing Medical University, Nanjing 210008, China
| | - M J Zhu
- Department of Radiology, Children's Hospital of Nanjing Medical University, Nanjing 210008, China
| | - M Yang
- Department of Radiology, Children's Hospital of Nanjing Medical University, Nanjing 210008, China
| | - X C Gao
- Department of Radiology, Children's Hospital of Nanjing Medical University, Nanjing 210008, China
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13
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Hu JJ, Lee JKJ, Liu YT, Yu C, Huang L, Aphasizheva I, Aphasizhev R, Zhou ZH. Discovery, structure, and function of filamentous 3-methylcrotonyl-CoA carboxylase. Structure 2023; 31:100-110.e4. [PMID: 36543169 PMCID: PMC9825669 DOI: 10.1016/j.str.2022.11.015] [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] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2022] [Revised: 10/17/2022] [Accepted: 11/24/2022] [Indexed: 12/24/2022]
Abstract
3-methylcrotonyl-CoA carboxylase (MCC) is a biotin-dependent mitochondrial enzyme necessary for leucine catabolism in most organisms. While the crystal structure of recombinant bacterial MCC has been characterized, the structure and potential polymerization of native MCC remain elusive. Here, we discovered that native MCC from Leishmania tarentolae (LtMCC) forms filaments, and determined the structures of different filament regions at 3.4, 3.9, and 7.3 Å resolution using cryoEM. α6β6 LtMCCs assemble in a twisted-stacks architecture, manifesting as supramolecular rods up to 400 nm. Filamentous LtMCCs bind biotin non-covalently and lack coenzyme A. Filaments elongate by stacking α6β6 LtMCCs onto the exterior α-trimer of the terminal LtMCC. This stacking immobilizes the biotin carboxylase domains, sequestering the enzyme in an inactive state. Our results support a new model for LtMCC catalysis, termed the dual-swinging-domains model, and cast new light on the function of polymerization in the carboxylase superfamily and beyond.
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Affiliation(s)
- Jason J Hu
- Department of Microbiology, Immunology, and Molecular Genetics, University of California, Los Angeles (UCLA), Los Angeles, CA 90095, USA; California NanoSystems Institute, UCLA, Los Angeles, CA 90095, USA; Department of Mathematics, UCLA, Los Angeles, CA 90095, USA
| | - Jane K J Lee
- Department of Microbiology, Immunology, and Molecular Genetics, University of California, Los Angeles (UCLA), Los Angeles, CA 90095, USA; California NanoSystems Institute, UCLA, Los Angeles, CA 90095, USA; Department of Psychology, UCLA, Los Angeles, CA 90095, USA
| | - Yun-Tao Liu
- Department of Microbiology, Immunology, and Molecular Genetics, University of California, Los Angeles (UCLA), Los Angeles, CA 90095, USA; California NanoSystems Institute, UCLA, Los Angeles, CA 90095, USA
| | - Clinton Yu
- Department of Physiology and Biophysics, University of California, Irvine, Irvine, CA 92697, USA
| | - Lan Huang
- Department of Physiology and Biophysics, University of California, Irvine, Irvine, CA 92697, USA
| | - Inna Aphasizheva
- Department of Molecular and Cell Biology, Boston University Medical Campus (BUMC), Boston, MA 02118, USA
| | - Ruslan Aphasizhev
- Department of Molecular and Cell Biology, Boston University Medical Campus (BUMC), Boston, MA 02118, USA; Department of Biochemistry, BUMC, Boston, MA 02118, USA
| | - Z Hong Zhou
- Department of Microbiology, Immunology, and Molecular Genetics, University of California, Los Angeles (UCLA), Los Angeles, CA 90095, USA; California NanoSystems Institute, UCLA, Los Angeles, CA 90095, USA.
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14
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Liu YT, Huang Y, Hao YG, Zhang PF, Yin X, Zhang JF, Hu XH, Li BK, Wang GY. [Current status of influencing factors for postoperative anastomotic leakage in low rectal cancer]. Zhonghua Wei Chang Wai Ke Za Zhi 2022; 25:1039-1044. [PMID: 36396382 DOI: 10.3760/cma.j.cn441530-20220517-00218] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/16/2023]
Abstract
The incidence of anastomotic leakage, a common and serious postoperative complication of low rectal cancer, remains high. Clarifying the risk factors for anastomotic leakage in patients with low rectal cancer after surgery can help guide clinical treatment and help patients improve their prognosis. The current literature suggests that the risk factors affecting the occurrence of anastomotic leakage after low rectal cancer include three aspects: (1) individual factors: male gender, high body mass index, malnutrition, smoking, alcoholism, and metabolic diseases; (2) tumor factors: the lower margin of tumor <5 cm from the anal verge, tumor diameter >2.5 cm, late tumor stage, high level of tumor markers and preoperative intestinal obstruction; (3) surgical factors: long operative time (>180 min), intraoperative bleeding (≥70 ml), more than 2 cartridges of stapling for anastomosis, contamination of the operative field, epidural analgesia and intraoperative hypothermia. Notably, the surgical approach (laparoscopic, open and hand-assisted laparoscopic surgery) was not a factor influencing the occurrence of postoperative anastomotic leakage in low rectal cancer. The findings on the effects of receiving neoadjuvant therapy, gut microbiota,intestinal bowel preparation, insufficient time for preoperative antibiotic prophylaxis, left colonic artery dissection, intraoperative blood transfusion, pelvic drainage, transanal drainage and combined organ resection, and postoperative diarrhea on postoperative anastomotic leakage in low rectal cancer are controversial. However, clinical workers can still take measures to reduce the risk of anastomotic leakage according to the above risk factors by making a good assessment before surgery, actively avoiding them during and after surgery, and taking measures for each step, so as to bring maximum benefits to patients.
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Affiliation(s)
- Y T Liu
- Department of Gastrointestinal Surgery, The Third Hospital of Hebei Medical University, Shijiazhuang 050051,China
| | - Y Huang
- Department of Gastrointestinal Surgery, The Third Hospital of Hebei Medical University, Shijiazhuang 050051,China
| | - Y G Hao
- Department of Gastrointestinal Surgery, The Third Hospital of Hebei Medical University, Shijiazhuang 050051,China
| | - P F Zhang
- Department of Gastrointestinal Surgery, The Third Hospital of Hebei Medical University, Shijiazhuang 050051,China
| | - X Yin
- Department of Gastrointestinal Surgery, The Third Hospital of Hebei Medical University, Shijiazhuang 050051,China
| | - J F Zhang
- Department of The Second General Surgery, The Fourth Hospital of Hebei Medical University, Shijiazhuang 050011,China
| | - X H Hu
- Department of The Second General Surgery, The Fourth Hospital of Hebei Medical University, Shijiazhuang 050011,China
| | - B K Li
- Department of The Second General Surgery, The Fourth Hospital of Hebei Medical University, Shijiazhuang 050011,China
| | - G Y Wang
- Department of Gastrointestinal Surgery, The Third Hospital of Hebei Medical University, Shijiazhuang 050051,China Department of The Second General Surgery, The Fourth Hospital of Hebei Medical University, Shijiazhuang 050011,China
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Liu YT, Hu YY, Shen H, Liu S. [Research progress on screen exposure and negative emotions in adolescents]. Zhonghua Er Ke Za Zhi 2022; 60:1089-1092. [PMID: 36207863 DOI: 10.3760/cma.j.cn112140-20220328-00250] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/16/2023]
Affiliation(s)
- Y T Liu
- School of Public Health, Hangzhou Medical College, Hangzhou 310000, China
| | - Y Y Hu
- School of Public Health, Hangzhou Medical College, Hangzhou 310000, China
| | - H Shen
- School of Public Health, Hangzhou Medical College, Hangzhou 310000, China
| | - S Liu
- School of Public Health, Hangzhou Medical College, Hangzhou 310000, China
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16
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Liu T, Liu J, Han C, Liu YT, Zeng Q, Gu Q. [Health hazards and hearing loss risk assessment of workers exposed to noise in an automobile manufacturing enterprise]. Zhonghua Lao Dong Wei Sheng Zhi Ye Bing Za Zhi 2022; 40:434-438. [PMID: 35785897 DOI: 10.3760/cma.j.cn121094-20210615-00286] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
Objective: To investigate the current situation of occupational exposure to noise among noise workers in an automobile manufacturing enterprise in Tianjin, understand the impact of noise on workers' nervous system and hearing, and assess the risk of hearing loss among noise workers. Methods: In May 2021, 3516 workers in an automobile manufacturing enterprise were investigated by using a self-made questionnaire"Noise Workers Questionnaire" and cluster sampling method. The occupational noise hygiene survey and occupational hazards detection were carried out in their workplaces. They were divided into noise exposure group and non-noise exposure group according to whether they were exposed to noise or not. The general characteristics, hearing and nervous system symptoms of the two groups of workers were compared, and the risk of hearing loss was assessed. Results: There were 758 workers in the noise exposure group, aged (26±5) years old, with a working age of 3.0 (2.0, 6.0) years exposed to noise. 2758 workers in the non-noise exposure group, aged (25±6) years old, with a working age of 2.0 (1.0, 4.0) years. There were statistically significant differences in the distribution of workers'education level, working age and memory loss between the two groups (χ(2)=37.98, 38.70, 5.20, P<0.05). The workers in the noise exposure group showed a decreasing trend of insomnia, dreaminess, sweating and fatigue with the increase of working age (χ(2trend)=6.16, 7.99, P<0.05). The risk classification of binaural high-frequency hearing loss for workers in all noise positions until the age of 50 and 60 was negligible, the risk of occupational noise deafness was low for workers in stamping and welding noise positions until the age of 60. Conclusion: The occupational noise exposed to automobile manufacturing workers may cause certain harm to their nervous and auditory systems. Noise protection measures should be taken to reduce the risk of hearing loss and occupational noise deafness.
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Affiliation(s)
- T Liu
- School of Public Health, Tianjin Medical University, Tianjin 300070, China
| | - J Liu
- Institute for Occupational Health, Tianjin Centers for Disease Control and Prevention, Tianjin 300011, China
| | - C Han
- Institute for Occupational Health, Tianjin Centers for Disease Control and Prevention, Tianjin 300011, China
| | - Y T Liu
- Institute for Occupational Health, Tianjin Centers for Disease Control and Prevention, Tianjin 300011, China
| | - Q Zeng
- School of Public Health, Tianjin Medical University, Tianjin 300070, China Institute for Occupational Health, Tianjin Centers for Disease Control and Prevention, Tianjin 300011, China
| | - Q Gu
- School of Public Health, Tianjin Medical University, Tianjin 300070, China Tianjin Municipal Health Commission, Tianjin 300070, China
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Zhu WJ, Zhu HH, Liu YT, Lin L, Xing PY, Hao XZ, Cong MH, Wang HY, Wang Y, Li JL, Feng Y, Hu XS. [Real-world study on the efficacy and prognostic predictive biomarker of patients with metastatic non-small cell lung cancer treated with programmed death-1/programmed death ligand 1 inhibitors]. Zhonghua Zhong Liu Za Zhi 2022; 44:416-424. [PMID: 35615798 DOI: 10.3760/cma.j.cn112152-20210709-00504] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
Objective: To describe the actual efficacy of programmed death-1 (PD-1)/ programmed-death ligand 1 (PD-L1) inhibitors in patients with metastatic non-small cell lung cancer (NSCLC) and explore potential prognostic predictive biomarkers. Methods: Patients with metastatic NSCLC who were treated with PD-1/PD-L1 inhibitors at Cancer Hospital, Chinese Academy of Medical Sciences from January 2016 to December 2019, either as monotherapy or in combination with other agents, were consecutively enrolled into this study. We retrospectively collected the data of demographics, clinical information and pathologic assessment to evaluate the therapeutic efficacy and conduct the survival analysis. Major endpoint of our study is progression-free survival (PFS). Secondary endpoints include objective response rate (ORR), disease control rate (DCR) and overall survival (OS). Results: The ORR of 174 patients who underwent PD-1/PD-L1 inhibitor was 28.7%, and the DCR was 79.3%. Immune-related adverse events (irAEs) occurred in 23 patients (13.2%). Brain metastasis, line of treatment, and treatment patterns were associated with the ORR of metastatic NSCLC patients who underwent immunotherapy (P<0.05). After a median follow-up duration of 18.8 months, the median PFS was 10.5 months (ranged from 1.5 to 40.8 months) while the median OS was not reached. The 2-year survival rate was estimated to be 63.0%. The pathologic type was related with the PFS of metastatic NSCLC patients who underwent immunotherapy (P=0.028). Sex, age, brain metastasis and autoimmune diseases were associated with OS (P<0.05). Analysis of the receptor characteristic curve (ROC) of neutrophil/lymphocyte ratio (NLR) predicting ORR of immunotherapy in metastatic NSCLC showed that the areas under the curve of NLR before immunotherapy (NLR(C0)), NLR after one cycle of immunotherapy (NLR(C1)) and ΔNLR were 0.600, 0.706 and 0.628, respectively. Multivariate logistic regression analysis showed that NLR(C1) was an independent factor of the ORR of metastatic NSCLC patients who underwent immunotherapy (OR=0.161, 95% CI: 0.062-0.422), and the efficacy of combination therapy was better than that of single agent (OR=0.395, 95% CI: 0.174-0.896). The immunotherapy efficacy in patients without brain metastasis was better than those with metastasis (OR=0.291, 95% CI: 0.095-0.887). Multivariate Cox regression analysis showed that NLR(C1) was an independent influencing factor of PFS of metastatic NSCLC patients after immunotherapy (HR=0.480, 95% CI: 0.303-0.759). Sex (HR=0.399, 95% CI: 0.161-0.991, P=0.048), age (HR=0.356, 95% CI: 0.170-0.745, P=0.006) were independent influencing factors of OS of metastatic NSCLC patients after immunotherapy. Conclusions: PD-1/PD-L1 inhibitors are proved to be efficacious and have tolerable toxicities for patients with metastatic NSCLC. Patients at advanced age could still benefit from immunotherapy. Brain metastasis is related to compromised response. Earlier application of immunotherapy in combination with other modalities enhances the efficacy without elevating risk of irAEs. NLR(C1) is an early predictor of clinical outcome. The OS of patients younger than 75 years may be improved when treated with immunotherapy.
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Affiliation(s)
- W J Zhu
- Department of Comprehensive Oncology, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100021, China
| | - H H Zhu
- Department of Medical Oncology, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100021, China
| | - Y T Liu
- Department of Medical Oncology, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100021, China
| | - L Lin
- Department of Medical Oncology, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100021, China
| | - P Y Xing
- Department of Medical Oncology, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100021, China
| | - X Z Hao
- Department of Medical Oncology, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100021, China
| | - M H Cong
- Department of Comprehensive Oncology, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100021, China
| | - H Y Wang
- Department of Medical Oncology, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100021, China
| | - Y Wang
- Department of Medical Oncology, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100021, China
| | - J L Li
- Department of Medical Oncology, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100021, China
| | - Y Feng
- Department of Medical Oncology, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100021, China
| | - X S Hu
- Department of Medical Oncology, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100021, China
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Liu J, Ren J, Han C, Zhao X, Feng LM, Liu YT, Zeng Q. [Noise exposure and its impact on health in an auto parts manufacturing enterprise]. Zhonghua Lao Dong Wei Sheng Zhi Ye Bing Za Zhi 2022; 40:383-386. [PMID: 35680586 DOI: 10.3760/cma.j.cn121094-20210301-00117] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
Objective: To learn about the noise exposure and health status of workers and analyze factors that may affect the health outcomes of workers in an auto manufacturing enterprise in Tianjin City. Methods: In September 2020, occupational hygiene survey, noise exposure level detection and occupational health examination data collection were carried out in an auto parts manufacturing enterprise. Chi square test and unconditional logistic regression analysis were used to analyze the health effects of noise exposure and hearing loss of 361 noise exposure workers. Results: The rates of over-standard noise exposure, hearing loss and hypertension were 69.39% (34/49) , 33.24% (120/361) and 11.36% (41/361) , respectively. There were upward trends on age and noise-working years for hearing loss and hypertension rates (χ(2)=-5.95, -6.16, -2.81, -2.74, P<0.05) . Unconditional logistic regression analysis showed that age>35 years old, noise exposure length of service >10 years and noise L(EX, 8 h)>85 dB (A) were risk factors for hearing loss (OR=3.57, 95%CI: 1.09, 11.75; OR=4.05, 95%CI: 1.97, 8.25; OR=1.75, 95%CI: 1.00, 3.05; P=0.036, 0.001, 0.047) . Conclusion: This company has a high rate of job noise exceeding the standard, and noise-exposed workers have more serious hearing loss. Age, noise exposure and high noise exposure are risk factors for hearing loss.
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Affiliation(s)
- J Liu
- Institute of Occupational Health, Tianjin Centers of Disease Control and Prevention, Tianjin 300011, China
| | - J Ren
- Institute of Occupational Health, Tianjin Centers of Disease Control and Prevention, Tianjin 300011, China
| | - C Han
- Institute of Occupational Health, Tianjin Centers of Disease Control and Prevention, Tianjin 300011, China
| | - X Zhao
- Institute of Occupational Health, Tianjin Centers of Disease Control and Prevention, Tianjin 300011, China
| | - L M Feng
- Institute of Occupational Health, Tianjin Centers of Disease Control and Prevention, Tianjin 300011, China
| | - Y T Liu
- Institute of Occupational Health, Tianjin Centers of Disease Control and Prevention, Tianjin 300011, China
| | - Q Zeng
- Institute of Occupational Health, Tianjin Centers of Disease Control and Prevention, Tianjin 300011, China
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Wei DM, Jiao HB, Liu YT, Zhao J, Hanbai BYL, Tong J, Wang BY. [Clinical diagnosis of alcoholic hepatitis in Tongliao City, Inner Mongolia]. Zhonghua Gan Zang Bing Za Zhi 2021; 29:861-866. [PMID: 34638205 DOI: 10.3760/cma.j.cn501113-20200423-00206] [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] [Indexed: 11/05/2022]
Abstract
Objective: To explore the current status of alcoholic hepatitis diagnosis by clinicians' in China. Methods: Clinical data of inpatients confirmed with alcohol-associated liver disease diagnosed at Tongliao Infectious Disease Hospital of Inner Mongolia from June 1, 2018 to May 31, 2019 were retrospectively analyzed. The consistency of clinical diagnosis of alcoholic hepatitis was judged according to the diagnostic criteria recommended by the National Institute of Alcohol Abuse and Alcoholism (USA), and then the alcoholic hepatitis severity assessment model recommended by international guidelines, including Maddrey discriminant function, Model for end-stage liver disease, and Glasgow alcoholic hepatitis score and ABIC scores (age, total bilirubin, international normalized ratio and creatinine) were applied to evaluate this group of cases. Results: Among 79 cases with alcohol-associated liver disease, 75 were males and 4 were females, age ranged between 27~75 (51.1±8.8) years. Alcohol consumption varied from 60 g/d to 600g/d, with an average consumption of 148.8 ± 76.6 g/d. The alcohol consumption duration ranged from 4 to 50 [average (23.9 ± 9.6)] years. According to the initial discharge diagnosis, there were 47 and 32 cases in alcoholic hepatitis and alcoholic liver cirrhosis group, respectively. The mean erythrocyte volume, serum alanine aminotransferase, aspartate aminotransferase and total bilirubin were increased in alcoholic liver cirrhosis than alcoholic hepatitis group, while albumin and total cholesterol were lowered in alcoholic liver cirrhosis than alcoholic hepatitis group, and coagulation indexes were significantly extended. Alpha-fetoprotein of both groups were in the normal range; however, it was significantly higher in the alcoholic hepatitis group than the alcoholic cirrhosis group. The 10 cases in the alcoholic cirrhosis group met the definition and diagnosis of alcoholic hepatitis defined by the National Institute of Alcohol Abuse and Alcoholism (USA), but there was no case in the alcoholic hepatitis group. Among the 10 diagnosed cases of alcoholic hepatitis, 5, 6, 1 and 3 cases met the diagnostic criteria of Maddrey discriminant function, Model for end-stage liver disease, Glasgow alcoholic hepatitis score, and ABIC score for severe alcoholic hepatitis, respectively. The Maddrey discriminant function, ABIC score, and Glasgow alcoholic hepatitis score within the Model for end-stage liver disease scores> 20 points had 5, 1, and 3 cases, respectively. Conclusion: Alcoholic hepatitis is over-diagnosed by clinicians. Alcoholic hepatitis patients have the base of liver cirrhosis who meet the diagnostic criteria of National Institute of Alcohol Abuse and Alcoholism (USA). Patients with Model for end-stage liver disease score > 20 points have good consistency with Maddrey discriminant function score ≥ 32 points, and both can be used to evaluate the alcoholic hepatitis patient clinical severity.
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Affiliation(s)
- D M Wei
- Department of Alcohol-related Liver Diseases, Tongliao Infectious Disease Hospital, Inner Mongolia, Tongliao 028000, China
| | - H B Jiao
- Department of Alcohol-related Liver Diseases, Tongliao Infectious Disease Hospital, Inner Mongolia, Tongliao 028000, China
| | - Y T Liu
- Department of Physical Examination Center, the first Affiliated Hospital, China Medical University, Shenyang 110001, China
| | - J Zhao
- Department of Alcohol-related Liver Diseases, Tongliao Infectious Disease Hospital, Inner Mongolia, Tongliao 028000, China
| | - B Y L Hanbai
- Department of Alcohol-related Liver Diseases, Tongliao Infectious Disease Hospital, Inner Mongolia, Tongliao 028000, China
| | - J Tong
- Department of Gastroenterology, the First Affiliated Hospital of China Medical University, Shenyang 110001, China
| | - B Y Wang
- Department of Gastroenterology, the First Affiliated Hospital of China Medical University, Shenyang 110001, China
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He LF, Li YT, Zeng Z, Liu AP, Liu YT, Hu B, Wang CX, Chen SY, Li C. Fabrication, characterization and controlled release properties of yak casein cold-set gels. Lebensm Wiss Technol 2021. [DOI: 10.1016/j.lwt.2021.111635] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Liu YT, Wang W, Tong J, Wang BY. [Relationship between triglyceride-glucose index and non-alcoholic fatty liver disease]. Zhonghua Gan Zang Bing Za Zhi 2021; 29:451-455. [PMID: 34107583 DOI: 10.3760/cma.j.cn501113-20200615-00322] [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] [Indexed: 11/05/2022]
Abstract
Objective: To explore the relationship between triglyceride-glucose index (TyG) and non-alcoholic fatty liver disease (NAFLD). Methods: 25 535 cases who participated in the health check-ups at the First Hospital of China Medical University from January 2019 to December 2019 were selected as the eligible subjects. Logistic regression analysis and receiver operating characteristic curve were used to analyze the relationship between TyG index and NAFLD risk and its diagnostic value for NAFLD. Results: NAFLD prevalence was gradually increased with the increase of the TyG index. After adjusting for other potential influencing factors, compared with the first quarter of TyG in patient with NAFLD, the OR (95%CI) in the second, third, and fourth quarter were 1.677 (1.495 ~ 1.881), 2.707 (2.397 ~ 3.057) and 4.049 (3.482 ~ 4.710), respectively. Receiver operating characteristic curve analysis showed that the best cut-off value of TyG index for the diagnosis of NAFLD was 6.9, and the area under the curve was 0.816. The sensitivity and specificity were 77.66% and 70.51%, respectively. The combined application of TyG and ALT levels had higher diagnostic value. Conclusion: TyG, as a simple and convenient biosynthetic index, is closely related to the NAFLD. In addition, when the TyG index is ≥6.9, it has a high diagnostic value for NAFLD.
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Affiliation(s)
- Y T Liu
- Department of Physical Examination Center, the First Affiliated Hospital, China Medical University, Shenyang 110001, China
| | - W Wang
- Department of Physical Examination Center, the First Affiliated Hospital, China Medical University, Shenyang 110001, China
| | - J Tong
- Department of Gastroenterology, the First Affiliated Hospital, China Medical University, Shenyang 110001, China
| | - B Y Wang
- Department of Gastroenterology, the First Affiliated Hospital, China Medical University, Shenyang 110001, China
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22
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Zhu YY, Guo LL, Tian Z, Liu YT, Lai JZ, Zhu YL, Zhang SY, Fang LG. [Clinical and imaging characteristics of patients with primary cardiac angiosarcoma]. Zhonghua Xin Xue Guan Bing Za Zhi 2021; 49:374-379. [PMID: 33874688 DOI: 10.3760/cma.j.cn112148-20200427-00351] [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] [Indexed: 11/05/2022]
Abstract
Objective: To investigate the clinical, cardiac imaging characteristics and prognosis of patients with primary cardiac angiosarcoma. Methods: The clinical data of 14 patients hospitalized with primary cardiac angiosarcoma from January 2001 to December 2017 in Peking Union Medical College Hospital were collected and analyzed. Metastatic cardiac angiosarcoma was not included in this study. Patients were followed up post discharge per telephone call or clinical visit. Results: Of the 14 patients, 8 were males and 6 were females, average age was 48 years. The main clinical symptoms were shortness of breath (8/14), hemoptysis (6/14), fever (5/14), chest pain (4/14) and cough (3/14). Imaging examinations showed that the tumors of 8 patients were located in the right heart and 6 in the pericardial cavity. Tumors in the right heart often infiltrate the atrial wall and cause pericardial effusion (7/8). Tumors in the pericardium were characterized by recurrent bloody pericardial effusion (6/6), prone to progressive constrictive pericarditis (3/6), pericardial fluid cytology was often negative (6/6). MRI showed heterogeneous high signal intensity (cauliflower aspect) on T2-weighted image and heterogeneous enhancement with a"sunray" aspect at the perfusion study. At the time of diagnosis, 8 patients developed lung or adrenal metastasis (8/14). The median survival was only 305 days. Conclusions: Primary cardiac angiosarcoma is a rare disease with non-specific clinical manifestation and poor prognosis. Imaging examinations may help diagnosis. The high invasiveness and the easy-to-metastasis feature of the tumor contribute to the poor prognosis of cardiac angiosarcoma.
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Affiliation(s)
- Y Y Zhu
- Department of Cardiology, Peking Union Medical College Hospital, Chinese Academy of Medical Science and Peking Union Medical College, Beijing 100730, China
| | - L L Guo
- Department of Cardiology, Peking Union Medical College Hospital, Chinese Academy of Medical Science and Peking Union Medical College, Beijing 100730, China
| | - Z Tian
- Department of Cardiology, Peking Union Medical College Hospital, Chinese Academy of Medical Science and Peking Union Medical College, Beijing 100730, China
| | - Y T Liu
- Department of Cardiology, Peking Union Medical College Hospital, Chinese Academy of Medical Science and Peking Union Medical College, Beijing 100730, China
| | - J Z Lai
- Department of Cardiology, Peking Union Medical College Hospital, Chinese Academy of Medical Science and Peking Union Medical College, Beijing 100730, China
| | - Y L Zhu
- Department of Cardiology, Peking Union Medical College Hospital, Chinese Academy of Medical Science and Peking Union Medical College, Beijing 100730, China
| | - S Y Zhang
- Department of Cardiology, Peking Union Medical College Hospital, Chinese Academy of Medical Science and Peking Union Medical College, Beijing 100730, China
| | - L G Fang
- Department of Cardiology, Peking Union Medical College Hospital, Chinese Academy of Medical Science and Peking Union Medical College, Beijing 100730, China
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23
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Zhang GJ, Gong XY, Qiu SW, Zhou CL, Liu KQ, Lin D, Liu BC, Wei H, Wei SN, Li Y, Gu RX, Gong BF, Liu YT, Fang QY, Mi YC, Wang Y, Wang JX. [Dasatinib combined with multi-agent chemotherapy regimen in newly diagnosed Philadelphia chromosome-positive acute lymphoblastic leukemia: a prospective study from a single center]. Zhonghua Xue Ye Xue Za Zhi 2021; 42:109-115. [PMID: 33858040 PMCID: PMC8071668 DOI: 10.3760/cma.j.issn.0253-2727.2021.02.004] [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] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
目的 评价达沙替尼联合多药化疗方案在Ph染色体阳性急性淋巴细胞白血病(Ph+ ALL)患者中的疗效及安全性。 方法 前瞻性、单臂、开放的临床研究。2016年1月至2018年4月中国医学科学院血液病医院收治的30例初诊成人Ph+ ALL患者入组。采用多药化疗方案,标准诱导化疗为期4周,自诱导化疗第8天开始口服达沙替尼(商品名依尼舒,正大天晴药业集团股份有限公司产品)100 mg/d,持续应用至整体治疗结束。有条件和意愿进行移植者,可进行异基因造血干细胞移植或自体造血干细胞移植。 结果 所有30例患者在诱导治疗4周后均达到血液学完全缓解(HCR),累积完全分子学反应(MCR)率为70.0%(21/30)。中位随访时间为37.8(32.0~46.6)个月。3年总生存(OS)率为68.1%,3年无血液学复发生存(HRFS)率为61.6%。63.3%的患者在治疗3个月时达到主要分子学反应(MMR)(其中有43.3%患者达到MCR)。6个月时60.0%的患者达到MCR,达到MCR的患者具有更好的OS(P=0.004)、HRFS(P=0.049)和EFS(P=0.001)。15例(50.0%)患者在第1次HCR期内进行移植,移植组患者HRFS(P=0.030)和EFS(P=0.010)优于化疗组。 结论 达沙替尼联合多药化疗方案治疗初诊Ph+ALL安全有效。 临床试验注册 ClinicalTrials.gov,NCT02523976。
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Affiliation(s)
- G J Zhang
- State Key Laboratory of Experimental Hematology, National Clinical Research Center for Blood Diseases, Institute of Hematology & Blood Diseases Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Tianjin 300020, China
| | - X Y Gong
- State Key Laboratory of Experimental Hematology, National Clinical Research Center for Blood Diseases, Institute of Hematology & Blood Diseases Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Tianjin 300020, China
| | - S W Qiu
- State Key Laboratory of Experimental Hematology, National Clinical Research Center for Blood Diseases, Institute of Hematology & Blood Diseases Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Tianjin 300020, China
| | - C L Zhou
- State Key Laboratory of Experimental Hematology, National Clinical Research Center for Blood Diseases, Institute of Hematology & Blood Diseases Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Tianjin 300020, China
| | - K Q Liu
- State Key Laboratory of Experimental Hematology, National Clinical Research Center for Blood Diseases, Institute of Hematology & Blood Diseases Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Tianjin 300020, China
| | - D Lin
- State Key Laboratory of Experimental Hematology, National Clinical Research Center for Blood Diseases, Institute of Hematology & Blood Diseases Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Tianjin 300020, China
| | - B C Liu
- State Key Laboratory of Experimental Hematology, National Clinical Research Center for Blood Diseases, Institute of Hematology & Blood Diseases Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Tianjin 300020, China
| | - H Wei
- State Key Laboratory of Experimental Hematology, National Clinical Research Center for Blood Diseases, Institute of Hematology & Blood Diseases Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Tianjin 300020, China
| | - S N Wei
- State Key Laboratory of Experimental Hematology, National Clinical Research Center for Blood Diseases, Institute of Hematology & Blood Diseases Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Tianjin 300020, China
| | - Y Li
- State Key Laboratory of Experimental Hematology, National Clinical Research Center for Blood Diseases, Institute of Hematology & Blood Diseases Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Tianjin 300020, China
| | - R X Gu
- State Key Laboratory of Experimental Hematology, National Clinical Research Center for Blood Diseases, Institute of Hematology & Blood Diseases Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Tianjin 300020, China
| | - B F Gong
- State Key Laboratory of Experimental Hematology, National Clinical Research Center for Blood Diseases, Institute of Hematology & Blood Diseases Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Tianjin 300020, China
| | - Y T Liu
- State Key Laboratory of Experimental Hematology, National Clinical Research Center for Blood Diseases, Institute of Hematology & Blood Diseases Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Tianjin 300020, China
| | - Q Y Fang
- State Key Laboratory of Experimental Hematology, National Clinical Research Center for Blood Diseases, Institute of Hematology & Blood Diseases Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Tianjin 300020, China
| | - Y C Mi
- State Key Laboratory of Experimental Hematology, National Clinical Research Center for Blood Diseases, Institute of Hematology & Blood Diseases Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Tianjin 300020, China
| | - Y Wang
- State Key Laboratory of Experimental Hematology, National Clinical Research Center for Blood Diseases, Institute of Hematology & Blood Diseases Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Tianjin 300020, China
| | - J X Wang
- State Key Laboratory of Experimental Hematology, National Clinical Research Center for Blood Diseases, Institute of Hematology & Blood Diseases Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Tianjin 300020, China
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Cheng HR, Huang GQ, Wu ZQ, Wu YM, Lin GQ, Song JY, Liu YT, Luan XQ, Yuan ZZ, Zhu WZ, He JC, Wang Z. Individualized predictions of early isolated distal deep vein thrombosis in patients with acute ischemic stroke: a retrospective study. BMC Geriatr 2021; 21:140. [PMID: 33632136 PMCID: PMC7908755 DOI: 10.1186/s12877-021-02088-y] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2020] [Accepted: 02/09/2021] [Indexed: 02/06/2023] Open
Abstract
Background Although isolated distal deep vein thrombosis (IDDVT) is a clinical complication for acute ischemic stroke (AIS) patients, very few clinicians value it and few methods can predict early IDDVT. This study aimed to establish and validate an individualized predictive nomogram for the risk of early IDDVT in AIS patients. Methods This study enrolled 647 consecutive AIS patients who were randomly divided into a training cohort (n = 431) and a validation cohort (n = 216). Based on logistic analyses in training cohort, a nomogram was constructed to predict early IDDVT. The nomogram was then validated using area under the receiver operating characteristic curve (AUROC) and calibration plots. Results The multivariate logistic regression analysis revealed that age, gender, lower limb paralysis, current pneumonia, atrial fibrillation and malignant tumor were independent risk factors of early IDDVT; these variables were integrated to construct the nomogram. Calibration plots revealed acceptable agreement between the predicted and actual IDDVT probabilities in both the training and validation cohorts. The nomogram had AUROC values of 0.767 (95% CI: 0.742–0.806) and 0.820 (95% CI: 0.762–0.869) in the training and validation cohorts, respectively. Additionally, in the validation cohort, the AUROC of the nomogram was higher than those of the other scores for predicting IDDVT. Conclusions The present nomogram provides clinicians with a novel and easy-to-use tool for the prediction of the individualized risk of IDDVT in the early stages of AIS, which would be helpful to initiate imaging examination and interventions timely.
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Affiliation(s)
- Hao-Ran Cheng
- Department of Neurology, the First Affiliated Hospital of Wenzhou Medical University, Wenzhou, 325000, Zhejiang, China
| | - Gui-Qian Huang
- Department of Neurology, the First Affiliated Hospital of Wenzhou Medical University, Wenzhou, 325000, Zhejiang, China
| | - Zi-Qian Wu
- Department of Neurology, Wenzhou Hospital of Traditional Chinese Medicine Affiliated to Zhejiang Chinese Medical University, Wenzhou, 325000, Zhejiang, China
| | - Yue-Min Wu
- Department of Neurology, the First Affiliated Hospital of Wenzhou Medical University, Wenzhou, 325000, Zhejiang, China
| | - Gang-Qiang Lin
- Department of Neurology, the First Affiliated Hospital of Wenzhou Medical University, Wenzhou, 325000, Zhejiang, China
| | - Jia-Ying Song
- School of Mental Health, Wenzhou Medical University, Wenzhou, 325000, Zhejiang, China
| | - Yun-Tao Liu
- Department of Neurology, the First Affiliated Hospital of Wenzhou Medical University, Wenzhou, 325000, Zhejiang, China
| | - Xiao-Qian Luan
- Department of Neurology, the First Affiliated Hospital of Wenzhou Medical University, Wenzhou, 325000, Zhejiang, China
| | - Zheng-Zhong Yuan
- Department of Traditional Chinese Medicine, the First Affiliated Hospital of Wenzhou Medical University, Wenzhou, 325000, Zhejiang, China
| | - Wen-Zong Zhu
- Department of Neurology, Wenzhou Hospital of Traditional Chinese Medicine Affiliated to Zhejiang Chinese Medical University, Wenzhou, 325000, Zhejiang, China.
| | - Jin-Cai He
- Department of Neurology, the First Affiliated Hospital of Wenzhou Medical University, Wenzhou, 325000, Zhejiang, China.
| | - Zhen Wang
- Department of Neurology, the First Affiliated Hospital of Wenzhou Medical University, Wenzhou, 325000, Zhejiang, China.
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Liu YT, Wang S, Shi HH, Lang JH. [Clinical analysis of 30 patients with atypical glandular hyperplasia or malignant transformation in foci of adenomyosis]. Zhonghua Fu Chan Ke Za Zhi 2020; 55:471-475. [PMID: 32842251 DOI: 10.3760/cma.j.cn112141-20200312-00213] [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] [Indexed: 11/05/2022]
Abstract
Objective: To explore the clinical characteristics of patients with pre-malignant or malignant transformation in ectopic endometrium of adenomyosis. Methods: A retrospective study was performed on 4 818 patients received surgical treatment in Peking Union Medical College Hospital and pathologically confirmed as adenomyosis from January 2010 to October 2016. The clinical features and prognosis of 30 patients among these with pre-malignant or malignant transformation in ectopic endometrium were reviewed. Results: A total of 4 818 patients pathologically diagnosed with adenomyosis. Among these,30 (0.62%,30/4 818) patients were diagnosed with pre-malignant or malignant transformation in foci of adenomyosis, including 16 (0.33%, 16/4 818) of atypical endometrial hyperplasia and 14 (0.29%, 14/4 818) of endometrioid carcinoma. The average age of 30 patients was (50.8±3.0) years (range: 27-65 years). Patients with atypical hyperplasia in foci of adenomyosis coexist with 13 cases of endometrioid carcinoma in situ, 1 case of borderline serous papilloma in eutopic endometrium, 1 case of atypical hyperplasia in eutopic endometrium, and 1 case of normal eutopic endometrium. Fourteen patients with endometrioid carcinoma in foci of adenomyosis coexist with endometrioid carcinoma in situ. Among the 27 patients with pre-malignant or malignant transformation in adenomyosis and coexisting with endometrioid carcinoma in situ, 23 of them were in International Federation of Gynecology and Obstetrics (FIGO) stage Ⅰa (85%, 23/27), 2 in stage Ⅰb (7%, 2/27), and 2 in stage Ⅲa (7%, 2/27). Seven percent (2/27) of patients had deep myometrial infiltration, and 7% (2/27) of patients had lymphovascular space invasion. The median follow-up time was 60 months (range: 32-104 months), and there were no recurrence or death. Conclusions: The incidence of atypical glandular hyperplasia or malignant transformation in foci of adenomyosis is rare, and it may be closely related to endometrial disease in situ. Pre-malignant or malignant change in foci of adenomyosis seems not to increase the risk of deep myometrial invasion, lymphovascular space invasion, and recurrence or mortality in patients of adenomyosis with endometrial adenocarcinoma.
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Affiliation(s)
- Y T Liu
- Department of Obstetrics and Gynecology, Peking Union Medical College Hospital, Peking Union Medical College, Chinese Academy of Medical Sciences, Beijing 100730, China
| | - S Wang
- Department of Obstetrics and Gynecology, Peking Union Medical College Hospital, Peking Union Medical College, Chinese Academy of Medical Sciences, Beijing 100730, China
| | - H H Shi
- Department of Obstetrics and Gynecology, Peking Union Medical College Hospital, Peking Union Medical College, Chinese Academy of Medical Sciences, Beijing 100730, China
| | - J H Lang
- Department of Obstetrics and Gynecology, Peking Union Medical College Hospital, Peking Union Medical College, Chinese Academy of Medical Sciences, Beijing 100730, China
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Li Y, Gong XY, Zhao XL, Wei H, Wang Y, Lin D, Zhou CL, Liu BC, Wang HJ, Li CW, Li QH, Gong BF, Liu YT, Wei SN, Zhang GJ, Mi YC, Wang JX, Liu KQ. [Rituximab combined with short-course and intensive regimen for Burkitt leukemia: efficacy and safety analysis]. Zhonghua Xue Ye Xue Za Zhi 2020; 41:502-505. [PMID: 32654465 PMCID: PMC7378285 DOI: 10.3760/cma.j.issn.0253-2727.2020.06.012] [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] [Download PDF] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
目的 探讨利妥昔单抗联合短疗程、高强度方案治疗成人Burkitt白血病患者的疗效和安全性。 方法 收集2006年1月30日至2018年9月12日中国医学科学院血液病医院收治的11例Burkitt白血病患者病例资料,分析统计患者的临床特征、完全缓解(CR)率、总生存率、无复发生存率及不良事件。 结果 11例患者中位年龄34(15~54)岁,其中男6例,女5例。发病时中位WBC 12.28(2.21~48.46)×109/L,HGB 113(74~147)g/L,PLT 35(13~172)×109/L,乳酸脱氢酶2 721(803~17 370)U/L,外周血中位原始细胞比例0.40(0.03~0.76),骨髓中位原始细胞比例0.840(0.295~0.945)。10例患者接受利妥昔单抗联合短疗程、高强度化疗,其中2例患者巩固化疗后行自体造血干细胞移植。所有治疗患者1个疗程CR率为100%,4年总生存率为90%,4年无复发生存率为90%。所有治疗患者中,只有1例患者在诱导化疗中出现肿瘤溶解综合征,经血液透析等治疗后肾功能恢复。无治疗相关性死亡病例。 结论 利妥昔单抗联合短疗程、高强度方案治疗成人Burkitt白血病疗效及安全性均较为理想。
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Affiliation(s)
- Y Li
- Institute of Hematology and Blood Diseases Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College; State Key Laboratory of Experimental Hematology; National Clinical Research Center for Blood Diseases, Tianjin 300020, China
| | - X Y Gong
- Institute of Hematology and Blood Diseases Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College; State Key Laboratory of Experimental Hematology; National Clinical Research Center for Blood Diseases, Tianjin 300020, China
| | - X L Zhao
- Institute of Hematology and Blood Diseases Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College; State Key Laboratory of Experimental Hematology; National Clinical Research Center for Blood Diseases, Tianjin 300020, China
| | - H Wei
- Institute of Hematology and Blood Diseases Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College; State Key Laboratory of Experimental Hematology; National Clinical Research Center for Blood Diseases, Tianjin 300020, China
| | - Y Wang
- Institute of Hematology and Blood Diseases Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College; State Key Laboratory of Experimental Hematology; National Clinical Research Center for Blood Diseases, Tianjin 300020, China
| | - D Lin
- Institute of Hematology and Blood Diseases Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College; State Key Laboratory of Experimental Hematology; National Clinical Research Center for Blood Diseases, Tianjin 300020, China
| | - C L Zhou
- Institute of Hematology and Blood Diseases Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College; State Key Laboratory of Experimental Hematology; National Clinical Research Center for Blood Diseases, Tianjin 300020, China
| | - B C Liu
- Institute of Hematology and Blood Diseases Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College; State Key Laboratory of Experimental Hematology; National Clinical Research Center for Blood Diseases, Tianjin 300020, China
| | - H J Wang
- Institute of Hematology and Blood Diseases Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College; State Key Laboratory of Experimental Hematology; National Clinical Research Center for Blood Diseases, Tianjin 300020, China
| | - C W Li
- Institute of Hematology and Blood Diseases Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College; State Key Laboratory of Experimental Hematology; National Clinical Research Center for Blood Diseases, Tianjin 300020, China
| | - Q H Li
- Institute of Hematology and Blood Diseases Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College; State Key Laboratory of Experimental Hematology; National Clinical Research Center for Blood Diseases, Tianjin 300020, China
| | - B F Gong
- Institute of Hematology and Blood Diseases Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College; State Key Laboratory of Experimental Hematology; National Clinical Research Center for Blood Diseases, Tianjin 300020, China
| | - Y T Liu
- Institute of Hematology and Blood Diseases Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College; State Key Laboratory of Experimental Hematology; National Clinical Research Center for Blood Diseases, Tianjin 300020, China
| | - S N Wei
- Institute of Hematology and Blood Diseases Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College; State Key Laboratory of Experimental Hematology; National Clinical Research Center for Blood Diseases, Tianjin 300020, China
| | - G J Zhang
- Institute of Hematology and Blood Diseases Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College; State Key Laboratory of Experimental Hematology; National Clinical Research Center for Blood Diseases, Tianjin 300020, China
| | - Y C Mi
- Institute of Hematology and Blood Diseases Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College; State Key Laboratory of Experimental Hematology; National Clinical Research Center for Blood Diseases, Tianjin 300020, China
| | - J X Wang
- Institute of Hematology and Blood Diseases Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College; State Key Laboratory of Experimental Hematology; National Clinical Research Center for Blood Diseases, Tianjin 300020, China
| | - K Q Liu
- Institute of Hematology and Blood Diseases Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College; State Key Laboratory of Experimental Hematology; National Clinical Research Center for Blood Diseases, Tianjin 300020, China
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Li DH, Liu YT, Hao SR, Zheng JM, Hou HT, Wang YZ. [Discussion on the curative effect and mechanisms of berberine in rats with non-alcoholic fatty liver]. Zhonghua Gan Zang Bing Za Zhi 2020; 28:338-344. [PMID: 32403887 DOI: 10.3760/cma.j.cn501113-20190519-00175] [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] [Key Words] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Objective: To observe the curative effects of berberine in rats with high-fat diet induced non-alcoholic fatty liver and to further explore its possible mechanism. Methods: Twenty-six Sprague-Dawley rats (120-160 g) were randomly divided into 3 groups: control group (n = 8), model group (n = 10) and treatment group (n = 8). Rats in the control group were fed with regular diet, and the model group and the treatment group were fed a high-fat diet. At the 12th week, two rats in the in the model group were sacrificed to verify whether model was successful established. Subsequently, treatment group rats were given a gavage of berberine at a dose of 150 mg·kg(-1)·d(-1) for 4 weeks, and the control and the model group rats were given the same dose of normal saline. Rats were sacrificed at week 16th. HE staining was used to observe the changes in the intestinal mucosa of rats. Sudan black B staining was used to observe the fatty changes in liver. Immunohistochemical staining was used to observe the expression level of occludin protein in the intestinal epithelium. A real-time 16S rDNA PCR method was used to measure the number of escherichia coli, bacteroides and faecalibacterium prausnitzii in the feces of rats. Results: Model group had a higher serum levels of endotoxin (0.288 ± 0.045) and tumor necrosis factor (TNF)-α (1.07 ± 0.11) than the control group (0.192 ± 0.049, 0.94 ± 0.07) (P < 0.05). Berberine intervention had significantly reduced endotoxin (0.213 ± 0.025) and TNF-α level (0.93 ± 0.07) (P < 0.05). The expression level of occludin protein was significantly lower in the intestinal mucosa of model group than that of control group (0.166 ± 0.014), and berberine had promoted the expression of occludin protein in intestinal mucosa (0.055 ± 0.009), but the difference was not statistically significant (P > 0.05). At the same time, compared with the model group (7.29 ± 0.47), the number of bacteroidetes in the control group (9.49 ± 0.59) was decreased, while the number of bacteroidetes in the treatment group was increased (9.77 ± 0.87). The number of escherichia coli (6.92 ± 0.77) and faecalibacterium prausnitzii (8.70 ± 0.62) in the model group were increased than control group (5.42 ± 0.63, 9.49 ± 0.59), while the number of escherichia coli (6.34 ± 0.71) and faecalibacterium prausnitzii (9.77 ± 0.87) (P < 0.05) was reduced with the intervention of berberine. Conclusion: Berberine could effectively protect the intestinal barrier function in rats with NAFLD and the possible mechanism of action behind it may be the regulation of intestinal flora.
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Affiliation(s)
- D H Li
- Department of Gastroenterology, Affiliated Hospital of Hebei University of Engineering, Handan 056002, China
| | - Y T Liu
- Department of Pain Medicine, Hebei General Hospital, Shijiazhuang 050051, China
| | - S R Hao
- Department of Infectious Diseases, Handan No.7 Hospital, Handan 056001, China
| | - J M Zheng
- Department of Gastroenterology, Hebei General Hospital, Shijiazhuang 050051, China
| | - H T Hou
- Department of Gastroenterology, Hebei General Hospital, Shijiazhuang 050051, China
| | - Y Z Wang
- Department of Gastroenterology, Hebei General Hospital, Shijiazhuang 050051, China
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Lin CC, Wang YY, Chen SM, Liu YT, Li JQ, Li F, Dai JC, Zhang T, Qiu F, Liu H, Dai Z, Zhang ZD. Shegan-Mahuang Decoction ameliorates asthmatic airway hyperresponsiveness by downregulating Th2/Th17 cells but upregulating CD4+FoxP3+ Tregs. J Ethnopharmacol 2020; 253:112656. [PMID: 32035217 DOI: 10.1016/j.jep.2020.112656] [Citation(s) in RCA: 29] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Received: 09/15/2019] [Revised: 01/22/2020] [Accepted: 02/05/2020] [Indexed: 01/21/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Shegan-Mahuang Decoction (SMD), also named Yakammaoto or Shegan-Mahuang Tang, is a classic formula of traditional Chinese medicine with nine herbs, including Asarum sieboldii Miq., Aster tataricus L.f., Ephedra sinica Stapf, Belamcanda chinensis (L.) Redouté, Pinellia ternata (Thunb.) Breit., Schisandra chinensis (Turcz.) Baill., Tussilago farfara L., Zingiber officinale Roscoe, and Ziziphus jujuba Mill. SMD was originally discovered by Zhang Zhongjing in Eastern Han dynasty. It has been widely used as traditional medicine to treat flu-like symptoms in China and Japan for around twenty centuries. It was also utilized for the treatment of the early stage of acute asthma. However, the immune mechanisms underlying its therapeutic effects remain unknown. AIM OF THE STUDY This study was set to investigate the effects of SMD on asthmatic airway hyperresponsiveness and its impacts on adaptive immunity in a mouse model of asthma. MATERIALS AND METHODS The HPLC fingerprint profile of the water extract of SMD recorded 22 peaks, including those equivalent to guanosine, chlorogenic acid, tectoridin, 6-gingerol and wuweizisu B, as described previously (Yen et al., 2014). Airway hyperresponsiveness was assessed by measuring the airway resistance. Cellular infiltration was measured via H&E staining and immunochemistry while gene expression was analyzed using real-time RT-PCR. Treg frequency was determined through flow analysis whereas cytokine production in the supernatant was evaluated using ELISA. Finally, mTOR and NF-kB signalings were analyzed via Western blotting. RESULTS We found that SMD largely corrected the imbalance of Th cell subsets in asthmatic mice with a significant inhibition of Th2 and Th17 cytokine production, thereby reducing asthmatic airway hyperresponsiveness. Moreover, lung function tests showed that SMD reduced airway hyperresponsiveness while immunohistochemical analyses demonstrated that SMD attenuated pulmonary infiltration of CD3+ and CD4+ T cells. Further, we observed a significant increase in the proportion of CD4+Foxp3+ Tregs in SMD-treated asthmatic mice. We also found that SMD downregulated gene expression of GATA3 and ROR-γt in murine lung tissue. In addition, both mTOR- and NF-kB-related protein expressions were reduced in the lung tissue of SMD-treated mice. SMD inhibited Th2/Th17 cytokine production by CD4+ T cells and also their mTOR activity in vitro. CONCLUSIONS Our findings demonstrate that SMD attenuates asthmatic airway hyperresponsiveness by hindering Th2/Th17 differentiation, promoting CD4+FoxP3+ Treg generation and suppressing mTOR and NF-kB activities.
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Affiliation(s)
- Cheng-Chuang Lin
- Section of Immunology & Joint Immunology Program, The Second Clinical Medical College of Guangzhou University of Chinese Medicine, Guangdong Provincial Academy of Chinese Medical Sciences, Guangzhou, Guangdong, 510006, China
| | - Yuan-Yuan Wang
- Section of Immunology & Joint Immunology Program, The Second Clinical Medical College of Guangzhou University of Chinese Medicine, Guangdong Provincial Academy of Chinese Medical Sciences, Guangzhou, Guangdong, 510006, China
| | - Si-Min Chen
- Section of Immunology & Joint Immunology Program, The Second Clinical Medical College of Guangzhou University of Chinese Medicine, Guangdong Provincial Academy of Chinese Medical Sciences, Guangzhou, Guangdong, 510006, China
| | - Yun-Tao Liu
- Section of Immunology & Joint Immunology Program, The Second Clinical Medical College of Guangzhou University of Chinese Medicine, Guangdong Provincial Academy of Chinese Medical Sciences, Guangzhou, Guangdong, 510006, China
| | - Ji-Qiang Li
- Section of Immunology & Joint Immunology Program, The Second Clinical Medical College of Guangzhou University of Chinese Medicine, Guangdong Provincial Academy of Chinese Medical Sciences, Guangzhou, Guangdong, 510006, China
| | - Fang Li
- Section of Immunology & Joint Immunology Program, The Second Clinical Medical College of Guangzhou University of Chinese Medicine, Guangdong Provincial Academy of Chinese Medical Sciences, Guangzhou, Guangdong, 510006, China
| | - Jie-Chen Dai
- Section of Immunology & Joint Immunology Program, The Second Clinical Medical College of Guangzhou University of Chinese Medicine, Guangdong Provincial Academy of Chinese Medical Sciences, Guangzhou, Guangdong, 510006, China
| | - Tong Zhang
- Section of Immunology & Joint Immunology Program, The Second Clinical Medical College of Guangzhou University of Chinese Medicine, Guangdong Provincial Academy of Chinese Medical Sciences, Guangzhou, Guangdong, 510006, China
| | - Feifei Qiu
- Section of Immunology & Joint Immunology Program, The Second Clinical Medical College of Guangzhou University of Chinese Medicine, Guangdong Provincial Academy of Chinese Medical Sciences, Guangzhou, Guangdong, 510006, China
| | - Huazhen Liu
- Section of Immunology & Joint Immunology Program, The Second Clinical Medical College of Guangzhou University of Chinese Medicine, Guangdong Provincial Academy of Chinese Medical Sciences, Guangzhou, Guangdong, 510006, China
| | - Zhenhua Dai
- Section of Immunology & Joint Immunology Program, The Second Clinical Medical College of Guangzhou University of Chinese Medicine, Guangdong Provincial Academy of Chinese Medical Sciences, Guangzhou, Guangdong, 510006, China.
| | - Zhong-De Zhang
- Section of Immunology & Joint Immunology Program, The Second Clinical Medical College of Guangzhou University of Chinese Medicine, Guangdong Provincial Academy of Chinese Medical Sciences, Guangzhou, Guangdong, 510006, China.
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Liu YT, Shivakoti S, Jia F, Tao CL, Zhang B, Xu F, Lau P, Bi GQ, Zhou ZH. Biphasic exocytosis of herpesvirus from hippocampal neurons and mechanistic implication to membrane fusion. Cell Discov 2020; 6:2. [PMID: 31969988 PMCID: PMC6957672 DOI: 10.1038/s41421-019-0134-6] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2019] [Accepted: 10/09/2019] [Indexed: 11/09/2022] Open
Abstract
Exocytosis is a crucial cellular process involved in the release of neural transmitters or signaling hormones, and disposal of waste or toxic materials. The relationship between structural transition and temporal progression of this process is poorly understood, partly due to lack of adequate tools to resolve such dynamic structures at sufficient resolution in 3D. Exocytosis can be hijacked by some viruses, exemplified by the widely used model α-herpesvirus pseudorabies virus (PRV), which relies on exocytosis for trans-synaptic spread across neurons. Here, we have used cryo electron tomography (cryoET) to capture 199 events of PRV exocytosis from cultured hippocampal neurons. We established cumulative frequency analysis to estimate the relative duration of an exocytosis stage based on the frequency of observed viral particles at that stage. This analysis revealed that PRV exocytosis is biphasic, including a fast, "release phase" driven by fusion proteins and fused membranes, and a slow, "recovery phase" driven by flattening of curved membranes. The biphasic property of exocytosis discovered here appears to be conserved for membrane fusion during viral entry, and our approach of cumulative frequency analysis should have general utility for characterizing other membrane fusion events.
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Affiliation(s)
- Yun-Tao Liu
- Center for Integrative Imaging, Hefei National Laboratory for Physical Sciences at the Microscale, and School of Life Sciences, University of Science and Technology of China, Hefei, Anhui 230026 China
- California NanoSystems Institute, University of California, Los Angeles (UCLA), Los Angeles, CA 90095-7227 USA
- Department of Microbiology, Immunology and Molecular Genetics, UCLA, Los Angeles, CA 90095-7364 USA
| | - Sakar Shivakoti
- Center for Integrative Imaging, Hefei National Laboratory for Physical Sciences at the Microscale, and School of Life Sciences, University of Science and Technology of China, Hefei, Anhui 230026 China
- California NanoSystems Institute, University of California, Los Angeles (UCLA), Los Angeles, CA 90095-7227 USA
- Department of Microbiology, Immunology and Molecular Genetics, UCLA, Los Angeles, CA 90095-7364 USA
| | - Fan Jia
- State Key Laboratory of Magnetic Resonance and Atomic and Molecular Physics, Key Laboratory of Magnetic Resonance in Biological Systems, Brain Research Center, Wuhan Institute of Physics and Mathematics, Chinese Academy of Sciences, Wuhan, 430071 China
- University of the Chinese Academy of Sciences, Beijing, 100049 China
| | - Chang-Lu Tao
- Center for Integrative Imaging, Hefei National Laboratory for Physical Sciences at the Microscale, and School of Life Sciences, University of Science and Technology of China, Hefei, Anhui 230026 China
- CAS Key Laboratory of Brain Function and Disease, and School of Life Sciences, University of Science and Technology of China, Hefei, Anhui 230026 China
| | - Bin Zhang
- CAS Key Laboratory of Brain Function and Disease, and School of Life Sciences, University of Science and Technology of China, Hefei, Anhui 230026 China
| | - Fuqiang Xu
- State Key Laboratory of Magnetic Resonance and Atomic and Molecular Physics, Key Laboratory of Magnetic Resonance in Biological Systems, Brain Research Center, Wuhan Institute of Physics and Mathematics, Chinese Academy of Sciences, Wuhan, 430071 China
- University of the Chinese Academy of Sciences, Beijing, 100049 China
- Center for Excellence in Brain Science and Intelligence Technology, Chinese Academy of Sciences, Shanghai, 200031 China
| | - Pakming Lau
- CAS Key Laboratory of Brain Function and Disease, and School of Life Sciences, University of Science and Technology of China, Hefei, Anhui 230026 China
| | - Guo-Qiang Bi
- Center for Integrative Imaging, Hefei National Laboratory for Physical Sciences at the Microscale, and School of Life Sciences, University of Science and Technology of China, Hefei, Anhui 230026 China
- CAS Key Laboratory of Brain Function and Disease, and School of Life Sciences, University of Science and Technology of China, Hefei, Anhui 230026 China
- Center for Excellence in Brain Science and Intelligence Technology, Chinese Academy of Sciences, Shanghai, 200031 China
| | - Z. Hong Zhou
- California NanoSystems Institute, University of California, Los Angeles (UCLA), Los Angeles, CA 90095-7227 USA
- Department of Microbiology, Immunology and Molecular Genetics, UCLA, Los Angeles, CA 90095-7364 USA
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Liu YT, Sha JC, Zhu DD, Xie J, Meng CD. [Interpretation of the guidelines for multidisciplinary treatment of epistaxis of the British Academy of Rhinology]. Lin Chung Er Bi Yan Hou Tou Jing Wai Ke Za Zhi 2020; 33:1022-1026. [PMID: 31914286 DOI: 10.13201/j.issn.1001-1781.2019.11.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Received: 12/13/2018] [Indexed: 11/12/2022]
Abstract
SummaryEpistaxis is a common condition that can be associated with significant morbidity, and it places a considerable burden on our healthcare system. In China, a draft guidelines for diagnosis and treatment of epistaxis was released in 2015. In UK, a national audit of management for epistaxis was promulgated in 2016, followed by multidisciplinary consensus recommendations on the hospital management of epistaxis in 2017. Here, we compared the management of diagnosis and treatment for epistaxis between China and UK in five clinical aspects, including initial assessment, cautery, intranasal agents, antithrombotic therapy and hematological factors, as well as surgery and radiological intervention. The results demonstrate that the management recommendations in UK combined a wide-ranging review of the relevant literature with established and rigorous methods of guideline generation, while the guidelines in China is more specific on the procedures of diagnosis and treatment for epistaxis. The current discussion provides perspectives to improve the guidelines for epistaxis in China.
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Liu YT, Zhao JW, Feng J, Li QH, Chen YM, Qiu LG, Xiao ZJ, Li Y, Gong BF, Gong XY, Mi YC, Wang JX. [Myeloid/lymphoid neoplasms with eosinophilia and FGFR1 rearrangement: 5 cases report and literatures review]. Zhonghua Xue Ye Xue Za Zhi 2019; 40:848-852. [PMID: 31775485 PMCID: PMC7364987 DOI: 10.3760/cma.j.issn.0253-2727.2019.10.010] [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] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
目的 分析罕见疾病伴嗜酸性粒细胞增多和FGFR1重排的髓系/淋系肿瘤(即8p11骨髓增殖综合征,EMS)的临床特征、诊断及治疗。 方法 总结中国医学科学院血液病医院2014年1月至2018年5月收治的5例确诊EMS患者的临床表现、实验室特征、诊治经过及转归。 结果 5例EMS患者外周血白细胞计数均明显升高,伴有嗜酸性粒细胞绝对值增高(均值18.89×109/L);骨髓髓系极度增生,原始细胞均<5%,嗜酸性粒细胞比例增高(均值17.24%)。5例患者染色体核型各不相同,但FISH检查均存在FGFR1基因重排。发病至确诊平均时间为4.8个月,中位生存期仅14个月。 结论 EMS是一种罕见病,恶性程度高,对常规化疗反应差,生存期短,且易发生误诊漏诊,细胞遗传学及分子生物学检查有助于早期诊断。
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Affiliation(s)
- Y T Liu
- Institute of Hematology & Blood Diseases Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College; National Clinical Research Center for Blood Diseases, Tianjin 300020, China
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Guo H, Li HY, Liu L, Wu CY, Liu H, Zhao L, Zhang Q, Liu YT, Li SQ, Qin W, Wu DT. Effects of sulfated modification on the physicochemical properties and biological activities of β-glucans from Qingke (Tibetan hulless barley). Int J Biol Macromol 2019; 141:41-50. [DOI: 10.1016/j.ijbiomac.2019.08.245] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2019] [Revised: 08/12/2019] [Accepted: 08/29/2019] [Indexed: 12/29/2022]
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Gong D, Dai X, Jih J, Liu YT, Bi GQ, Sun R, Zhou ZH. DNA-Packing Portal and Capsid-Associated Tegument Complexes in the Tumor Herpesvirus KSHV. Cell 2019; 178:1329-1343.e12. [PMID: 31447177 PMCID: PMC6753055 DOI: 10.1016/j.cell.2019.07.035] [Citation(s) in RCA: 35] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2019] [Revised: 05/16/2019] [Accepted: 07/17/2019] [Indexed: 01/07/2023]
Abstract
Assembly of Kaposi's sarcoma-associated herpesvirus (KSHV) begins at a bacteriophage-like portal complex that nucleates formation of an icosahedral capsid with capsid-associated tegument complexes (CATCs) and facilitates translocation of an ∼150-kb dsDNA genome, followed by acquisition of a pleomorphic tegument and envelope. Because of deviation from icosahedral symmetry, KSHV portal and tegument structures have largely been obscured in previous studies. Using symmetry-relaxed cryo-EM, we determined the in situ structure of the KSHV portal and its interactions with surrounding capsid proteins, CATCs, and the terminal end of KSHV's dsDNA genome. Our atomic models of the portal and capsid/CATC, together with visualization of CATCs' variable occupancy and alternate orientation of CATC-interacting vertex triplexes, suggest a mechanism whereby the portal orchestrates procapsid formation and asymmetric long-range determination of CATC attachment during DNA packaging prior to pleomorphic tegumentation/envelopment. Structure-based mutageneses confirm that a triplex deep binding groove for CATCs is a hotspot that holds promise for antiviral development.
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Affiliation(s)
- Danyang Gong
- Department of Molecular and Medical Pharmacology, University of California, Los Angeles, Los Angeles, CA 90095, USA
| | - Xinghong Dai
- Department of Molecular and Medical Pharmacology, University of California, Los Angeles, Los Angeles, CA 90095, USA; Department of Microbiology, Immunology, and Molecular Genetics, University of California, Los Angeles, Los Angeles, CA 90095, USA
| | - Jonathan Jih
- California NanoSystems Institute (CNSI), University of California, Los Angeles, Los Angeles, CA 90095, USA
| | - Yun-Tao Liu
- California NanoSystems Institute (CNSI), University of California, Los Angeles, Los Angeles, CA 90095, USA; Center for Integrative Imaging, Hefei National Laboratory for Physical Sciences at the Microscale, and School of Life Sciences, University of Science and Technology of China (USTC), Hefei, Anhui 230026, China
| | - Guo-Qiang Bi
- Center for Integrative Imaging, Hefei National Laboratory for Physical Sciences at the Microscale, and School of Life Sciences, University of Science and Technology of China (USTC), Hefei, Anhui 230026, China
| | - Ren Sun
- Department of Molecular and Medical Pharmacology, University of California, Los Angeles, Los Angeles, CA 90095, USA; California NanoSystems Institute (CNSI), University of California, Los Angeles, Los Angeles, CA 90095, USA.
| | - Z Hong Zhou
- Department of Microbiology, Immunology, and Molecular Genetics, University of California, Los Angeles, Los Angeles, CA 90095, USA; California NanoSystems Institute (CNSI), University of California, Los Angeles, Los Angeles, CA 90095, USA.
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Liu KQ, Wang Y, Zhao Z, Lin D, Zhou CL, Liu BC, Gong XY, Zhao XL, Wei SN, Zhang GJ, Gong BF, Li Y, Liu YT, Mi YC, Wang JX, Wei H. [A single-center, randomized controlled trial of PEG-rhG-CSF and common rhG-CSF to promote neutrophil recovery after induction chemotherapy in newly diagnosed acute myeloid leukemia]. Zhonghua Xue Ye Xue Za Zhi 2019; 40:497-501. [PMID: 31340623 PMCID: PMC7342402 DOI: 10.3760/cma.j.issn.0253-2727.2019.06.009] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
目的 比较初诊急性髓系白血病(AML)患者诱导化疗后骨髓抑制期应用聚乙二醇化重组人G-CSF(PEG-rhG-CSF)与普通重组人G-CSF(rhG-CSF)促进中性粒细胞或白细胞恢复的时间。同时比较两种药物对患者感染发生率、住院时间的影响。 方法 采用前瞻性随机对照研究方法,将2014年8月至2017年12月间符合入组条件的初诊AML患者诱导治疗后按1∶1比例随机分成两组:PEG-rhG-CSF组和rhG-CSF组。对比分析两组患者中性粒细胞计数(ANC)或WBC恢复时间、感染发生率和住院时间。 结果 共入组初诊AML患者60例,PEG-rhG-CSF组30例,rhG-CSF组30例。两组患者除性别构成外,在年龄、化疗方案、化疗前ANC、WBC、诱导化疗疗效方面差异均无统计学意义(P值均>0.05)。PEG-rhG-CSF组患者与rhG-CSF组患者的ANC、WBC恢复中位时间分别为19(14~35)d、19(15~26)d,差异无统计学意义(t=0.580,P=0.566)。PEG-rhG-CSF组、rhG-CSF组患者骨髓抑制期感染的发生率分别为90.0%、93.3%,差异无统计学意义(P=1.000)。两组患者的中位住院时间分别为20.5(17~49)d、21(19~43)d,差异无统计学意义(P=0.530)。 结论 AML患者诱导治疗后应用PEG-rhG-CSF与rhG-CSF无论在ANC或WBC恢复时间,还是在感染的发生率及住院时间均相当。
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Affiliation(s)
- K Q Liu
- Institute of Hematology and Blood Diseases Hospital, CAMS & PUMC, Tianjin 300020, China
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Liu YT, Zeng Q, Liu J, Zhang M, Miao RM. [The preliminary study on the combined application model of serum miRNAs in the diagnosis of pneumoconiosis]. Zhonghua Lao Dong Wei Sheng Zhi Ye Bing Za Zhi 2019; 37:26-29. [PMID: 30884584 DOI: 10.3760/cma.j.issn.1001-9391.2019.01.005] [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] [Indexed: 11/05/2022]
Abstract
Objective: To explore the role of serum microRNA (miRNAs) levels in the detection of pneumoconiosis, and to establish a combined application model of multiple serums miRNAs for pneumoconiosis diagnosis. Methods: 152 cases were selected in the case group and the control group respectively. The TaqMan Low Density Array method was used to screen out the candidate miRNAs for early screening of pneumoconiosis, and RT-qPCR was used to verify. According to the area under the curve (AUC) , the sensitivity and specificity of the candidate indicators were investigated. The logistic regression model was established by the two-class logistic regression model. Results: The expression of 7 candidate miRNAs in the serum of pneumoconiosis patients was significantly different (P<0.05) . The receiver operating curve (ROC) of the above 7 miRNAs was analyzed, miRNA-21, miRNA-200c, miRNA-16, miRNA-206, miRNA-155, miRNA-29a had statistical significance, and their ROC-AUC is 0.629~0.932. Logistic regression model was: logitP=13.769+0.536×miRNA-21-0.878×miRNA-200C-0.012×miRNA-16-0.111×miRNA-206+0.117×miRNA-155-1.192×miRNA-29a. Conclusion: Multiple serum miRNAs combined application models may be used for the diagnosis of pneumoconiosis patients.
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Affiliation(s)
- Y T Liu
- Institute of Occupational Disease Control and Prevention, Tianjin Centers for Disease Control and Prevention, Tianjin 300011, China
| | - Q Zeng
- Institute of Occupational Disease Control and Prevention, Tianjin Centers for Disease Control and Prevention, Tianjin 300011, China
| | - J Liu
- Institute of Occupational Disease Control and Prevention, Tianjin Centers for Disease Control and Prevention, Tianjin 300011, China
| | - M Zhang
- Institute of Occupational Disease Control and Prevention, Tianjin Centers for Disease Control and Prevention, Tianjin 300011, China
| | - R M Miao
- Wuxi Rehabilitation Hospital, Wuxi 214011, China
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Huang SW, Liu YT, Lee JM, Chen JM, Lee JF, Schoenlein RW, Chuang YD, Lin JY. Polaronic effect in the x-ray absorption spectra of La 1-x Ca x MnO 3 manganites. J Phys Condens Matter 2019; 31:195601. [PMID: 30848247 DOI: 10.1088/1361-648x/ab05a2] [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] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
X-ray absorption spectroscopy (XAS) is performed to study changes in the electronic structures of colossal magnetoresistance (CMR) and charged ordered (CO) La1-x Ca x MnO3 manganites with respect to temperature. The pre-edge features in O and Mn K-edge XAS spectra, which are highly sensitive to the local distortion of MnO6 octahedral, exhibit contrasting temperature dependence between CMR and CO samples. The seemingly counter-intuitive XAS temperature dependence can be reconciled in the context of polarons. These results help identify the most relevant orbital states associated with polarons and highlight the crucial role played by polarons in understanding the electronic structures of manganites.
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Affiliation(s)
- S W Huang
- MAX IV Laboratory, Lund University, PO Box 118, 221 00 Lund, Sweden. Advanced Light Source, Lawrence Berkeley National Laboratory, Berkeley, CA 94720, United States of America. Materials Sciences Division, Lawrence Berkeley National Laboratory, Berkeley, CA 94720, United States of America
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Fu Y, Lin S, Lu M, Wei SY, Zhou J, Zhao L, Zhang Q, Lin DR, Liu YT, Chen H, Qin W, Wu DT. Quantitative Evaluation of Ultrasound-Assisted Extraction of 1,3-β-glucans from Dictyophora indusiata Using an Improved Fluorometric Assay. Polymers (Basel) 2019; 11:E864. [PMID: 31086008 PMCID: PMC6572555 DOI: 10.3390/polym11050864] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2019] [Revised: 04/27/2019] [Accepted: 05/07/2019] [Indexed: 11/17/2022] Open
Abstract
In the present study, an improved fluorometric assay based on aniline blue dye for the specific, accurate, and rapid quantification of 1,3-β-glucans in edible mushrooms was developed and fully validated. Furthermore, the improved method was successfully applied for the quantitative evaluation of water soluble 1,3-β-glucans extracted from Dictyophora indusiata by ultrasound-assisted extraction (UAE) with response surface methodology. Results showed that the improved method exhibited high specificity, accuracy, precision, repeatability, and stability, as well as a wide calibration range of 10-600 µg/mL (R2 > 99.9%). The maximum extraction yields of water soluble 1,3-β-glucans (1.20%) and total polysaccharides (5.41%) were achieved at the optimized extraction parameters as follows: ultrasound amplitude (56%), ultrasound extraction time (15 min), and ratio of liquid to raw material (22 mL/g). The results suggest that the improved fluorometric assay has great potential to be used as a routine method for the quantitative evaluation of 1,3-β-glucans in edible mushrooms and that the UAE method is effective for the extraction of 1,3-β-glucans from edible mushrooms.
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Affiliation(s)
- Yuan Fu
- Institute of Food Processing and Safety, College of Food Science, Sichuan Agricultural University, Ya'an 625014, Sichuan, China.
| | - Shang Lin
- Institute of Food Processing and Safety, College of Food Science, Sichuan Agricultural University, Ya'an 625014, Sichuan, China.
| | - Min Lu
- Institute of Food Processing and Safety, College of Food Science, Sichuan Agricultural University, Ya'an 625014, Sichuan, China.
| | - Si-Yu Wei
- Institute of Food Processing and Safety, College of Food Science, Sichuan Agricultural University, Ya'an 625014, Sichuan, China.
| | - Jia Zhou
- Institute of Food Processing and Safety, College of Food Science, Sichuan Agricultural University, Ya'an 625014, Sichuan, China.
| | - Li Zhao
- Institute of Food Processing and Safety, College of Food Science, Sichuan Agricultural University, Ya'an 625014, Sichuan, China.
| | - Qing Zhang
- Institute of Food Processing and Safety, College of Food Science, Sichuan Agricultural University, Ya'an 625014, Sichuan, China.
| | - De-Rong Lin
- Institute of Food Processing and Safety, College of Food Science, Sichuan Agricultural University, Ya'an 625014, Sichuan, China.
| | - Yun-Tao Liu
- Institute of Food Processing and Safety, College of Food Science, Sichuan Agricultural University, Ya'an 625014, Sichuan, China.
| | - Hong Chen
- Institute of Food Processing and Safety, College of Food Science, Sichuan Agricultural University, Ya'an 625014, Sichuan, China.
| | - Wen Qin
- Institute of Food Processing and Safety, College of Food Science, Sichuan Agricultural University, Ya'an 625014, Sichuan, China.
| | - Ding-Tao Wu
- Institute of Food Processing and Safety, College of Food Science, Sichuan Agricultural University, Ya'an 625014, Sichuan, China.
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Li TF, Cheng YY, Wang Y, Wang H, Chen DF, Liu YT, Zhang L, Han WZ, Liu RD, Wang ZJ, Yang CM, Jafta CJ, Clemens D, Keiderling U. Analysis of Dimer Impurity in Polyamidoamine Dendrimer Solutions by Small-angle Neutron Scattering. Chin J Polym Sci 2019. [DOI: 10.1007/s10118-019-2260-x] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
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Gong BF, Lin D, Wei H, Wang Y, Liu BC, Zhou CL, Liu KQ, Wei SN, Zhang GJ, Liu YT, Gong XY, Li Y, Zhao XL, Qiu SW, Gu RX, Mi YC, Wang JX. [Primary Prophylatic Effect of Voriconazole Against Invasive Infection of Pulmonary Aspergillosis during Remission-Induction Chemotherapy for Acute Myeloid Leukemia]. Zhongguo Shi Yan Xue Ye Xue Za Zhi 2019; 26:1269-1274. [PMID: 30295237 DOI: 10.7534/j.issn.1009-2137.2018.05.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
OBJECTIVE To evaluate the efficacy of primary prophylaxis of voriconazole against invasive infection of pulmonary aspergillosis (IPA) during remission-induction chemotherapy (RIC) of patients with acute myeloid leukemia (AML). METHODS Clinical data of 102 de novo AML patients who received primary anti-IPA prophylaxis during the first induction chemotherapy were analyzed retrospectively. All the cases were divided into voriconazole-treated group and posaconazole-treated group according to the prophylactic agent. The incidences of IPA and systemic antifungal treatment during induction chemotherapy were analyzed for both groups. RESULTS Among 102 enrolled cases, 42 cases received voriconazole and other 60 received posaconazole as primary prophylaxis. IPA occurred in 3 cases of voriconazole group (1 probable, 2 possible); IPA occurred in 4 cases of posaconazose group, and all were possible cases. The incidence of IPA during remission-induction chemotherapy in variconazole group equaled to posaconazose group (7.1% vs. 6.7%) (P=0.925). Beside IPA cases, 2 cases in voriconazole group and 4 cases in posaconazole group received intravenous anti aspergillosis drugs preemptive treatment, and no significant difference of prophylactic success rate was observed between two groups (88.1% vs. 86.7%) (P=0.831). Visual disturbance was the most common adverse event occurred in voriconazole group, but no significant differences of incidences of other adverse effects were observed when compared with posaconazole group. CONCLUSION According to similar prophylactic effect with posaconazole, voriconazole appears to be a good alternative for primary prophylaxis of IPA during remission-induction chemotherapy in AML patients.
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Affiliation(s)
- Ben-Fa Gong
- Institute of Hematology & Blood Disease Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Tianjin Clinical Research Center for Blood Diseases, Tianjin 300020, China
| | - Dong Lin
- Institute of Hematology & Blood Disease Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Tianjin Clinical Research Center for Blood Diseases, Tianjin 300020, China
| | - Hui Wei
- Institute of Hematology & Blood Disease Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Tianjin Clinical Research Center for Blood Diseases, Tianjin 300020, China
| | - Ying Wang
- Institute of Hematology & Blood Disease Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Tianjin Clinical Research Center for Blood Diseases, Tianjin 300020, China
| | - Bing-Cheng Liu
- Institute of Hematology & Blood Disease Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Tianjin Clinical Research Center for Blood Diseases, Tianjin 300020, China
| | - Chun-Lin Zhou
- Institute of Hematology & Blood Disease Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Tianjin Clinical Research Center for Blood Diseases, Tianjin 300020, China
| | - Kai-Qi Liu
- Institute of Hematology & Blood Disease Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Tianjin Clinical Research Center for Blood Diseases, Tianjin 300020, China
| | - Shu-Ning Wei
- Institute of Hematology & Blood Disease Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Tianjin Clinical Research Center for Blood Diseases, Tianjin 300020, China
| | - Guang-Ji Zhang
- Institute of Hematology & Blood Disease Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Tianjin Clinical Research Center for Blood Diseases, Tianjin 300020, China
| | - Yun-Tao Liu
- Institute of Hematology & Blood Disease Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Tianjin Clinical Research Center for Blood Diseases, Tianjin 300020, China
| | - Xiao-Yuan Gong
- Institute of Hematology & Blood Disease Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Tianjin Clinical Research Center for Blood Diseases, Tianjin 300020, China
| | - Yan Li
- Institute of Hematology & Blood Disease Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Tianjin Clinical Research Center for Blood Diseases, Tianjin 300020, China
| | - Xing-Li Zhao
- Institute of Hematology & Blood Disease Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Tianjin Clinical Research Center for Blood Diseases, Tianjin 300020, China
| | - Shao-Wei Qiu
- Institute of Hematology & Blood Disease Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Tianjin Clinical Research Center for Blood Diseases, Tianjin 300020, China
| | - Run-Xia Gu
- Institute of Hematology & Blood Disease Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Tianjin Clinical Research Center for Blood Diseases, Tianjin 300020, China
| | - Ying-Chang Mi
- Institute of Hematology & Blood Disease Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Tianjin Clinical Research Center for Blood Diseases, Tianjin 300020, China.E-mail:
| | - Jian-Xiang Wang
- Institute of Hematology & Blood Disease Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Tianjin Clinical Research Center for Blood Diseases, Tianjin 300020, China
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Gu RX, Wei H, Wang Y, Liu BC, Zhou CL, Lin D, Liu KQ, Wei SN, Gong BF, Zhang GJ, Liu YT, Zhao XL, Gong XY, Li Y, Qiu SW, Mi YC, Wang JX. [Impact of duration of antibiotic therapy on the prognosis of patients with acute myeloid leukemia who had Gram-negative bloodstream infection in consolidation chemotherapy]. Zhonghua Xue Ye Xue Za Zhi 2019; 39:471-475. [PMID: 30032562 PMCID: PMC7342929 DOI: 10.3760/cma.j.issn.0253-2727.2018.06.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Download PDF] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
目的 分析巩固化疗期间伴发革兰阴性菌(G−菌)血流感染的急性髓系白血病(AML)患者抗感染疗程对感染转归的影响。 方法 回顾性分析2010年9月至2016年1月入组“依据危险度分层对急性髓系白血病优化治疗的研究”临床试验的591例AML(非急性早幼粒细胞白血病)患者的血流感染资料,将其中巩固化疗期间发生G−菌血流感染且持续发热时间<7 d的114例次血流感染(89例患者)纳入研究,分析抗感染疗程对感染转归的影响。 结果 114例次血流感染发生时,患者中位ANC为0(0~5.62)×109/L,中性粒细胞缺乏(粒缺)持续的中位时间为9(3~26)d,抗感染治疗的中位时间为7(4~14)d。抗感染疗程≤7 d与>7 d组比较,停药后3 d内再发热比例、再次发生相同菌株血流感染比例分别为1.2%对3.0%、18.5%对21.2%,差异均无统计学意义(P=0.522,OR=0.400,95%CI 0.024~6.591;P=0.741,OR=0.844,95%CI 0.309~2.307)。同时,两组患者均未发生7 d及30 d内感染相关死亡。且倾向性评分平衡患者特征及用药差异因素后,抗感染疗程≤7 d较>7 d组再次发生相同菌株血流感染比例仍无明显增高(P=0.525,OR=0.663,95%CI 0.187~2.352)。 结论 对于巩固化疗期间伴发G−菌血流感染的AML患者,若发热时间<7 d,敏感抗菌药物治疗7 d后停药并不增加停药后3 d内再发热,粒缺期再次出现相同菌株血流感染及感染相关7 d、30 d内死亡风险。提示短疗程抗感染方案可以成为巩固化疗伴发G−菌血流感染AML患者感染控制情况下合理的治疗选择。
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Affiliation(s)
- R X Gu
- Institute of Hematology and Blood Diseases Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Tianjin 300020, China
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Fan RR, Wen ZH, Wang DW, Yang RY, Ou AH, Jin LS, Zhang ZD, Liu YT. Chinese herbal medicine for the treatment of cough variant asthma: a study protocol for a double-blind randomized controlled trial. Trials 2019; 20:3. [PMID: 30606237 PMCID: PMC6318874 DOI: 10.1186/s13063-018-3073-x] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [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: 07/11/2018] [Accepted: 11/23/2018] [Indexed: 11/24/2022] Open
Abstract
Background Cough variant asthma (CVA) is one of the leading causes of chronic coughing. The main treatment is currently anti-inflammatory medication. However, the coughing may return or be aggravated and lung function may deteriorate once the anti-inflammatory treatment is stopped. The effect of Chinese herbal medicine (CHM) on chronic coughing is remarkable, but high-quality evidence supporting its effectiveness is still lacking. This trial aims to evaluate the safety and efficacy, especially the long-term efficacy, of CHM plus anti-inflammatory medications for the treatment of CVA. Methods/design A randomized placebo-controlled double-blind trial will be conducted. It will consist of a 3-month intervention followed by a 6-month follow-up period. The target sample size is 60 patients with CVA who are between 18 and 70 years old. The eligible subjects will be allocated randomly into the experimental or control group in a ratio of 1:1. Patients in the experimental group will take CHM granules (4.9 g twice daily), while patients in the control group will be given a matched placebo. An administration of salmeterol/fluticasone propionate combination for 12 weeks will be the basic therapy for the two groups. The primary outcome is the cough visual analog scales (CVAS). The secondary outcomes include quality of life, rate of symptom relapse, lung function, and blood tests. A safety assessment will also be performed during the trial. Discussion The evidence gathered by the trial will be a valuable addition to informing treatment options for patients with CVA. Trial registration http://www.chictr.org.cn, ID: ChiCTR-IOR-16009148. Registered on 3 September 2016. Electronic supplementary material The online version of this article (10.1186/s13063-018-3073-x) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Rong-Rong Fan
- The Second Clinical Medical College of Guangzhou University of Chinese Medicine, Guangzhou, 510405, China
| | - Ze-Huai Wen
- The Second Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, 510120, China.,Key Unit of Methodology in Clinical Research, Guangdong Provincial Hospital of Chinese Medicine, Guangzhou, 510210, China
| | - Da-Wei Wang
- The Second Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, 510120, China.,Lingnan Zhenshi Miscellaneous Diseases School, Guangdong Provincial Hospital of Chinese Medicine, Guangzhou, 510120, China
| | - Rong-Yuan Yang
- The Second Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, 510120, China.,Lingnan Zhenshi Miscellaneous Diseases School, Guangdong Provincial Hospital of Chinese Medicine, Guangzhou, 510120, China
| | - Ai-Hua Ou
- The Second Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, 510120, China
| | - Lian-Shun Jin
- The Second Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, 510120, China.,Lingnan Zhenshi Miscellaneous Diseases School, Guangdong Provincial Hospital of Chinese Medicine, Guangzhou, 510120, China
| | - Zhong-de Zhang
- The Second Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, 510120, China. .,Lingnan Zhenshi Miscellaneous Diseases School, Guangdong Provincial Hospital of Chinese Medicine, Guangzhou, 510120, China.
| | - Yun-Tao Liu
- The Second Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, 510120, China.
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Yuan Q, Fu Y, Xiang PY, Zhao L, Wang SP, Zhang Q, Liu YT, Qin W, Li DQ, Wu DT. Structural characterization, antioxidant activity, and antiglycation activity of polysaccharides from different chrysanthemum teas. RSC Adv 2019; 9:35443-35451. [PMID: 35528079 PMCID: PMC9074740 DOI: 10.1039/c9ra05820f] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [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: 07/27/2019] [Accepted: 10/28/2019] [Indexed: 01/24/2023] Open
Abstract
In this study, structural characteristics, antioxidant activity, and antiglycation activity of polysaccharides from different chrysanthemum teas were investigated and compared.
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Affiliation(s)
- Qin Yuan
- College of Food Science
- Sichuan Agricultural University
- Ya'an 625014
- China
| | - Yuan Fu
- College of Food Science
- Sichuan Agricultural University
- Ya'an 625014
- China
| | - Pan-Yin Xiang
- College of Food Science
- Sichuan Agricultural University
- Ya'an 625014
- China
| | - Li Zhao
- College of Food Science
- Sichuan Agricultural University
- Ya'an 625014
- China
| | - Sheng-Peng Wang
- State Key Laboratory of Quality Research in Chinese Medicine
- Institute of Chinese Medical Sciences
- University of Macau
- Macao
- China
| | - Qing Zhang
- College of Food Science
- Sichuan Agricultural University
- Ya'an 625014
- China
| | - Yun-Tao Liu
- College of Food Science
- Sichuan Agricultural University
- Ya'an 625014
- China
| | - Wen Qin
- College of Food Science
- Sichuan Agricultural University
- Ya'an 625014
- China
| | - De-Qiang Li
- Department of Pharmacy
- The Second Hospital of Hebei Medical University
- Shijiazhuang
- China
| | - Ding-Tao Wu
- College of Food Science
- Sichuan Agricultural University
- Ya'an 625014
- China
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Pan M, Gui H, Ju XB, Liu YT, Ye Q, Chen ZQ, Ding XJ, Chen Q, Zhou R, Gu M, Zhou HY. Analysis of Genetic Polymorphism and Genetic Distance of 19 Autosomal STR Loci in Jiangsu Han Population. Fa Yi Xue Za Zhi 2018; 34:650-655. [PMID: 30896106 DOI: 10.12116/j.issn.1004-5619.2018.06.016] [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: 03/22/2018] [Indexed: 11/30/2022]
Abstract
OBJECTIVES To investigate the distribution of alleles in 19 autosomal short tandem repeat (STR) loci in Jiangsu Han population. METHODS Goldeneye® 20A kit was used to detect 9 025 samples. Genetic analysis was performed on typing data of 19 autosomal STR loci, and genetic distance with other 17 populations was analyzed. RESULTS All the 19 autosomal STR loci were consistent with the Hardy-Weinberg equilibrium (P>0.05), with the heterozygosity 0.616 1-0.916 3, probability of match 0.012 8-0.202 6, discrimination power 0.797 4-0.987 2, probability of paternity exclusion 0.310 8-0.828 8, and polymorphic information content 0.561 7-0.913 6. The cumulative discrimination power and cumulative probability of exclusion were 0.999 999 999 999 999 998 434 1 and 0.999 999 989, respectively. The Jiangsu Han population had close genetic distances with the Han population in Tianjin, Hunan and Jilin, and significant difference with Han population in Aletai region in Xinjiang (P<0.05). CONCLUSIONS The STR allele polymorphism data and population genetic parameters of Jiangsu Han population can provide data support for the forensic application of these STR loci in Jiangsu Han population.
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Affiliation(s)
- M Pan
- Forensic Institution of Jiangsu Province Hospital, First Affiliated Hospital of Nanjing Medical University, Nanjing 210029, China
| | - H Gui
- Forensic Institution of Jiangsu Province Hospital, First Affiliated Hospital of Nanjing Medical University, Nanjing 210029, China
| | - X B Ju
- Forensic Institution of Jiangsu Province Hospital, First Affiliated Hospital of Nanjing Medical University, Nanjing 210029, China
| | - Y T Liu
- Forensic Institution of Jiangsu Province Hospital, First Affiliated Hospital of Nanjing Medical University, Nanjing 210029, China
| | - Q Ye
- Forensic Institution of Jiangsu Province Hospital, First Affiliated Hospital of Nanjing Medical University, Nanjing 210029, China
| | - Z Q Chen
- Forensic Institution of Jiangsu Province Hospital, First Affiliated Hospital of Nanjing Medical University, Nanjing 210029, China
| | - X J Ding
- Forensic Institution of Jiangsu Province Hospital, First Affiliated Hospital of Nanjing Medical University, Nanjing 210029, China
| | - Q Chen
- Forensic Institution of Jiangsu Province Hospital, First Affiliated Hospital of Nanjing Medical University, Nanjing 210029, China
| | - R Zhou
- Forensic Institution of Jiangsu Province Hospital, First Affiliated Hospital of Nanjing Medical University, Nanjing 210029, China
| | - M Gu
- Forensic Institution of Jiangsu Province Hospital, First Affiliated Hospital of Nanjing Medical University, Nanjing 210029, China
| | - H Y Zhou
- Forensic Institution of Jiangsu Province Hospital, First Affiliated Hospital of Nanjing Medical University, Nanjing 210029, China
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Liu YT, Zhao FP, Miao HB, Fu SZ, Zhou S, Zhang XG, Qin G. [Expression of C-fos in nasopharyngeal carcinoma and the relationship with chemosensitivity and prognosis]. Lin Chung Er Bi Yan Hou Tou Jing Wai Ke Za Zhi 2018; 32:687-692. [PMID: 29771087 DOI: 10.13201/j.issn.1001-1781.2018.09.011] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Received: 03/13/2018] [Indexed: 11/12/2022]
Abstract
Objective:To investigate the expression of C-fos in patients with nasopharyngeal carcinoma(NPC), and analyze the relationship between the expression of C-fos and the clinical characteristics, chemosensitivity and prognosis. Method:Clinical and follow-up data of 75 NPC patients was analyzed retrospectively. The expression of C-fos was detected by immunohistochemical assay, and chemosensitivity was detected by ATP bioluminescent anticancer drug sensitivity detection technology. The relationship between them was studied.Result:The expression of C-fos in NPC was statistically higher than that in the control nasopharyngeal mucosa(P<0.001). It was found that C-fos had no statistical relationship with the gender, age, pathologic type, clinical stage of tumor classification, lymph node status, metastasis status and overall stage of NPC patients(P>0.05). NPC had different chemosensitivity with 8 anticancer drugs(P<0.001).There was a significant difference in chemosensitivity of paclitaxel between the high expression of C-fos group and the low expression of C-fos group(P=0.036). The rate of tumor progression was significantly higher in NPC patients with high expression of C-fos than in the low expression group(P=0.014).There was no significant difference in overall survival between the two groups(P=0.076). Conclusion:C-fos is highly expressed in NPC tissues, and the high expression of C-fos in NPC tissues may be related to tumor progression and resistance to paclitaxel.
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Affiliation(s)
- Y T Liu
- Department of Otolaryngology Head and Neck Surgery, Affiliated Hospital of Southwest Medical University, Luzhou, 646000, China
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Gong BF, Liu YT, Zhang GJ, Wei SN, Li Y, Liu KQ, Gong XY, Zhao XL, Qiu SW, Gu RX, Lin D, Wei H, Zhou CL, Liu BC, Wang Y, Mi YC, Wang JX. [Primary antifungal prophylaxis with posaconazole plays a pivotal role during chemotherapy of acute myeloid leukemia]. Zhonghua Xue Ye Xue Za Zhi 2018; 38:528-531. [PMID: 28655098 PMCID: PMC7342978 DOI: 10.3760/cma.j.issn.0253-2727.2017.06.012] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Download PDF] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Objective: To evaluate the incidence of invasive fungal infections (IFI) and usage of intravenous antifungal drugs during remission induction chemotherapy in patients with acute myeloid leukemia (AML) under primary antifungal prophylaxis with posaconazole. Methods: Clinical records from newly diagnosed AML patients above 15 years old in one single center from February 2014 to January 2016 were retrospectively reviewed and analyzed, excluding acute promyelocytic leukemia. The incidence of IFI and usage of intravenous antifungal drugs were investigated between control group (not receiving any broad spectrum antifungal prophylaxis) and treatment group (receiving posaconazole as primary prophylaxis). Results: A total of 147 newly diagnosed AML patients were enrolled. Of them, 81 received prophylaxis with posaconazole, and 66 did not receive broad-spectrum antifungal treatment. 7 IFI occurred in posaconazole group, and all were possible cases; 19 IFI occurred in control group (3 proven, 4 probable, 12 possible). The incidence of IFI was significantly lower in treatment group than that in control group (8.6% vs 28.8%, χ(2)=10.138, P=0.001). Usage of intravenous antifungal drugs was significantly decreased in posaconazole group (18.5% vs 50.0%, χ(2)=16.390, P<0.001). Conclusion: Prophylaxis with posaconazole coulf prevent IFI and reduce usage of intravenous antifungal drugs significantly during remission induction chemotherapy in AML patients.
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Affiliation(s)
- B F Gong
- Institute of Hematology & Blood Diseases Hospital, CAMS & PUMC, Tianjin Clinical Research Center for Blood Diseases, Tianjin 300020, China
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Ziemys A, Yokoi K, Kai M, Liu YT, Kojic M, Simic V, Milosevic M, Holder A, Ferrari M. Progression-dependent transport heterogeneity of breast cancer liver metastases as a factor in therapeutic resistance. J Control Release 2018; 291:99-105. [PMID: 30332610 DOI: 10.1016/j.jconrel.2018.10.014] [Citation(s) in RCA: 8] [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: 06/25/2018] [Revised: 10/11/2018] [Accepted: 10/12/2018] [Indexed: 12/13/2022]
Abstract
Metastatic disease is a major cause of mortality in cancer patients. While many drug delivery strategies for anticancer therapeutics have been developed in preclinical studies of primary tumors, the drug delivery properties of metastatic tumors have not been sufficiently investigated. Therapeutic efficacy hinges on efficient drug permeation into the tumor microenvironment, which is known to be heterogeneous thus potentially making drug permeation heterogeneous, also. In this study, we have identified that 4 T1 liver metastases, treated with pegylated liposomal doxorubicin, have unfavorable and heterogeneous transport of doxorubicin. Our drug extravasation results differ greatly from analogous studies with 4 T1 tumors growing in the primary site. A probabilistic tumor population model was developed to estimate drug permeation efficiency and drug kinetics of liver metastases by integrating the transport and structural properties of tumors and delivered drugs. The results demonstrate significant heterogeneity in metastases with regard to transport properties of doxorubicin within the same animal model, and even within the same organ. These results also suggest that the degree of heterogeneity depends on the stage of tumor progression and that differences in transport properties can define transport-based tumor phenotypes. These findings may have valuable clinical implications by illustrating that therapeutic agents can permeate and eliminate metastases of "less resistant" transport phenotypes, while sparing tumors with more "resistant" transport properties. We anticipate that these results could challenge the current paradigm of drug delivery into metastases, highlight potential caveats for therapies that may alter tumor perfusion, and deepen our understanding of the emergence of drug transport-based therapeutic resistance.
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Affiliation(s)
- A Ziemys
- Houston Methodist Research Institute, The Department of Nanomedicine, Houston, TX, USA.
| | - K Yokoi
- Houston Methodist Research Institute, The Department of Nanomedicine, Houston, TX, USA
| | - M Kai
- Houston Methodist Research Institute, The Department of Nanomedicine, Houston, TX, USA
| | - Y T Liu
- Houston Methodist Research Institute, The Department of Nanomedicine, Houston, TX, USA
| | - M Kojic
- Houston Methodist Research Institute, The Department of Nanomedicine, Houston, TX, USA; Bioengineering Research and Development Center BioIRC Kragujevac, Prvoslava Stojanovica 6, 3400 Kragujevac, Serbia; Serbian Academy of Sciences and Arts, Knez Mihailova 35, 11000 Belgrade, Serbia
| | - V Simic
- Bioengineering Research and Development Center BioIRC Kragujevac, Prvoslava Stojanovica 6, 3400 Kragujevac, Serbia
| | - M Milosevic
- Bioengineering Research and Development Center BioIRC Kragujevac, Prvoslava Stojanovica 6, 3400 Kragujevac, Serbia
| | - A Holder
- Department of Surgery, Houston Methodist, Houston, TX, USA
| | - M Ferrari
- Houston Methodist Research Institute, The Department of Nanomedicine, Houston, TX, USA
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Liu YT, Liu LY, Hu LY. [A novel compound heterozygous mutations in LAMC3 in a boy with infantile spasms]. Zhonghua Er Ke Za Zhi 2018; 56:780-781. [PMID: 30293285 DOI: 10.3760/cma.j.issn.0578-1310.2018.10.013] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
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Abstract
SummaryBoth factor V Leiden and the C677T methylenetetrahydrofolate reductase (MTHFR) gene mutation are associated with premature vascular disease, and yet are found at surprisingly high allele frequencies in European populations, 2.7% and 35% respectively. We have investigated the prevalence of these mutations in 87 UK residents over the age of ninety, to look for any evidence of their association with premature death.Five factor V Leiden heterozygotes were found, giving an allele frequency of 2.9%, similar to that in the general UK population. The frequency of the thermolabile C677T MTHFR mutation was 36% with 11% homozygotes, again similar to that in the UK population; these genotypes are in Hardy-Weinberg equilibrium, suggesting that there is not strong selection against the homozygous state. One person was both heterozygous for factor V Leiden and homozygous for the C677T mutation. This study suggests that neither factor V Leiden nor thermolabile MTHFR are risk factors for premature death.
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Affiliation(s)
- D C Rees
- The MRC Molecular Haematology Unit, Institute of Molecular Medicine, The John Radcliffe, Headington, Oxford, UK
| | - Y T Liu
- The MRC Molecular Haematology Unit, Institute of Molecular Medicine, The John Radcliffe, Headington, Oxford, UK
| | - M J Cox
- The MRC Molecular Haematology Unit, Institute of Molecular Medicine, The John Radcliffe, Headington, Oxford, UK
| | - P Elliott
- Department of Haematology, The John Radcliffe, Headington, Oxford, UK
| | - J S Wainscoat
- Department of Haematology, The John Radcliffe, Headington, Oxford, UK
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Gong BF, Wang Y, Lin D, Wei H, Li W, Zhou CL, Liu BC, Liu KQ, Zhang GJ, Liu YT, Li Y, Wei SN, Gong XY, Zhao XL, Qiu SW, Gu RX, Mi YC, Wang JX. [FLT3-ITD Mutation in Newly Diagnosed Patients with Acute Promyelocytic Leukemia]. Zhongguo Shi Yan Xue Ye Xue Za Zhi 2018; 24:1615-1621. [PMID: 28024465 DOI: 10.7534/j.issn.1009-2137.2016.06.001] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
OBJECTIVE To evaluate the influence of FLT3-ITD mutation on long term survival of newly diagnosed patients with acute promyelocytic leukemia (APL). METHODS Long term survival of 170 newly diagnosed APL patients was retrospective analyzed. Mutation rate of FLT3-ITD was assayed, and its influence on disease-free survival(DFS) or overall survival (OS) was analyzed. RESULTS The mutation rate of FLT3-ITD in newly diagnosed patients with APL was 14.1%. WBC count at diagnosis was higer in FLT3-ITD positive group than that in negative group, and the mutation rate of FLT3-ITD was highest in high risk group. Induction death rate in FLT3-ITD positive and negative group were 12.5% and 2.9%, respectively (P=0.031). Complete remission(CR) rate in 2 groups were 83.3% and 97.1%(P=0.004). The 5-year OS rates in 2 groups were 87.5±6.8% and 90.6±2.6% (P=0.740). The 5-year DFS in 2 groups were 82.8±9.1% and 83.6±3.4%(P=0.928). CONCLUSION FLT3-ITD mutation is related with high peripheral white blood cell count in APL, the APL with FLT3-ITD mutation has higher induction death rate and lower CR rate than those in that without FLT3-ITD mutation, but FLT3-ITD mutation did not affect on long term DFS and OS.
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Affiliation(s)
- Ben-Fa Gong
- Institute of Hematology & Blood Diseases Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Tianjin 300020, China
| | - Ying Wang
- Institute of Hematology & Blood Diseases Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Tianjin 300020, China. E-mail:
| | - Dong Lin
- Institute of Hematology & Blood Diseases Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Tianjin 300020, China
| | - Hui Wei
- Institute of Hematology & Blood Diseases Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Tianjin 300020, China
| | - Wei Li
- Institute of Hematology & Blood Diseases Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Tianjin 300020, China
| | - Chun-Lin Zhou
- Institute of Hematology & Blood Diseases Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Tianjin 300020, China
| | - Bing-Cheng Liu
- Institute of Hematology & Blood Diseases Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Tianjin 300020, China
| | - Kai-Qi Liu
- Institute of Hematology & Blood Diseases Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Tianjin 300020, China
| | - Guang-Ji Zhang
- Institute of Hematology & Blood Diseases Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Tianjin 300020, China
| | - Yun-Tao Liu
- Institute of Hematology & Blood Diseases Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Tianjin 300020, China
| | - Yan Li
- Institute of Hematology & Blood Diseases Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Tianjin 300020, China
| | - Shu-Ning Wei
- Institute of Hematology & Blood Diseases Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Tianjin 300020, China
| | - Xiao-Yuan Gong
- Institute of Hematology & Blood Diseases Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Tianjin 300020, China
| | - Xing-Li Zhao
- Institute of Hematology & Blood Diseases Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Tianjin 300020, China
| | - Shao-Wei Qiu
- Institute of Hematology & Blood Diseases Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Tianjin 300020, China
| | - Run-Xia Gu
- Institute of Hematology & Blood Diseases Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Tianjin 300020, China
| | - Ying-Chang Mi
- Institute of Hematology & Blood Diseases Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Tianjin 300020, China
| | - Jian-Xiang Wang
- Institute of Hematology & Blood Diseases Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Tianjin 300020, China
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Chen H, Lai XZ, Chen P, Liu YT, Yu MY, Liu ZH, Zhu ZJ. Quadrichromatic LED based mobile phone camera visible light communication. Opt Express 2018; 26:17132-17144. [PMID: 30119529 DOI: 10.1364/oe.26.017132] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/24/2018] [Accepted: 06/04/2018] [Indexed: 06/08/2023]
Abstract
A quadrichromatic light-emitting diode (QLED) based visible light communication for mobile phone camera is proposed to improve data rate and enhance illumination effect at the same time. Different from color intensity modulation (CIM), we propose and use color ratio modulation (CRM) in CMOS image sensor based visible light communication to improve data rate. According to the spectral power distribution (SPD) of the QLED and the spectral response of the complementary-metal-oxide-semiconductor (CMOS) image sensor, color multiple-input multiple-output (CMIMO) channel model is set up first to obtain optimal 16-CRM constellation design. Taking full consideration of the high quality of color rendering index (CRI), tunable color temperature (CT), we design a specific data packet structure to realize illumination requirements. A decoding strategy is also addressed for demapping at the receiver. The experimental results demonstrate that the proposed scheme can realize a downlink data rate of 13.2kbit/s, meanwhile, the optical signal source is illumination compatible.
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