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Duan WR, Liu ZL, Guan J, Xia ZY, Zhao XH, Jian Q, Lan HT, Zhao ZM, Jian FZ, Chen Z. [Reduction of the atlantoaxial dislocation associated with basilar invagination through single-stage posterior approach: using Xuanwu occipital-cervical reduction surgical suite]. Zhonghua Wai Ke Za Zhi 2019; 57:63-68. [PMID: 31510735 DOI: 10.3760/cma.j.issn.0529-5815.2019.10.012] [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] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Objective: To examine the effect of posterior reduction in atlantoaxial dislocation (AAD) associated with basilar invagination(BI) using Xuanwu occipital-cervical fusion system in single stage. Methods: Thirty-seven AAD accompanied with BI cases treated at Department of Neurosurgery, Xuanwu Hospital, Capital Medical Universiy and the Second Hospital of Hebei Medical University were retrospective analyzed. There were 15 males and 22 females with age of (42.3±12.3)years (range: 18-69 yars). All the cases had congenital osseous abnormalities, such as assimilation of atlas and abnormal cervical fusion. Anterior tissue was released through posterior route followed by cage implantation into facet joint and occipital-cervical fixation with cantilever technique. The clinical results were evaluated using Japanese Orthopedic Association scale(JOA) and the main radiological measurements including anterior atlantodental interval (ADI),the distance of odontoid tip above Chamberlain line,clivus-canal angle (CCA) and the length of syrinx were collected.The preoperative and postoperative JOA score and radiological measurements were compared by paired t-test. Results: The mean JOA score of the patients increased from 10.5 to 14.4 at the one-year follow-up(t=14.3,P=0.00).Complete reduction of AAD and BI was achieved in 34 patients.The mean clivus-canal angle improved from 118.0 degrees preoperative to 143.7 degrees postoperative(t=6.2,P=0.00). Shrinkage of the syrinx was observed 1 week after surgery in 24 patients, and 6 months in 31 patients. Twenty-eight patients achieved bone fusion 6 months after surgery. All the patients achieved bone fusion 12 months after surgery. One-side vertebral artery occlusion was diagnosed in 1 case postoperatively for transient dizziness, and relieved in 2 weeks. Two patients developed moderate neck pain after surgery, and relieved in 1 month. No implant failure, spacer subsidence or infection was observed. Conclusions: The treatment of AAD associated with BI using Xuanwu occipital-cervical fusion system from posterior approach in single stage is effective and safe. Cage implantation intraarticularly and fixation with cantilever technique achieve complete reduction in most cases.
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Affiliation(s)
- W R Duan
- Department of Neurosurgery, Xuanwu Hospital, Capital Medical Universiy, Beijing 100053, China
| | - Z L Liu
- Department of Neurosurgery, Xuanwu Hospital, Capital Medical Universiy, Beijing 100053, China
| | - J Guan
- Department of Neurosurgery, Xuanwu Hospital, Capital Medical Universiy, Beijing 100053, China
| | - Z Y Xia
- Department of Neurosurgery, Xuanwu Hospital, Capital Medical Universiy, Beijing 100053, China
| | - X H Zhao
- Department of Neurosurgery, Xuanwu Hospital, Capital Medical Universiy, Beijing 100053, China
| | - Q Jian
- Department of Neurosurgery, Xuanwu Hospital, Capital Medical Universiy, Beijing 100053, China
| | - H T Lan
- Department of Neurosurgery, the Second Hospital of Hebei Medical University, Shijiazhuang 050000, China
| | - Z M Zhao
- Department of Neurosurgery, the Second Hospital of Hebei Medical University, Shijiazhuang 050000, China
| | - F Z Jian
- Department of Neurosurgery, Xuanwu Hospital, Capital Medical Universiy, Beijing 100053, China
| | - Z Chen
- Department of Neurosurgery, Xuanwu Hospital, Capital Medical Universiy, Beijing 100053, China
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Xing HJ, Li YJ, Ma QM, Wang AM, Wang JL, Sun M, Jian Q, Hu JH, Li D, Wang L. Identification of microRNAs present in congenital heart disease associated copy number variants. Eur Rev Med Pharmacol Sci 2013; 17:2114-2120. [PMID: 23884835] [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: 06/02/2023]
Abstract
PURPOSE Congenital heart disease (CHD) is the most common congenital anomaly in newborns and about 1.35 million infants are born with CHD each year worldwide. Recently a large category of copy number variants (CNVs), were established to be a major contributor of the pathophysiology of CHD. To date most studies focused on the analysis of CNV categories or the protein coding regions without investigation on the impact of non-coding regulatory microRNAs (miRNAs). MATERIALS AND METHODS Here with an array comparative genome hybridisation data set and a gene expression profile data set, we investigated the contribution of miRNAs in CNVs towards the development of CHD. RESULTS Approximately 18% of the identified high frequency CNV loci were shown to harbor miRNAs. According the expression profile analysis, 52 target genes of 16 miRNAs showed association with CHD. Targets of hsa-miR-650 was reported to be enriched with genes of cardiac dysfunctions and heart failure categories previously. In the constructed network, all 12 miRNAs directly or indirectly interacts with CHD related genes and hsa-miR-570 showed the highest degree. CONCLUSIONS Our study highlights the significance of CNV-microRNAs and their target genes in the pathogenesis of CHD. This knowledge will facilitate the identification of miRNA biomarkers and the development of new therapeutics for CHD.
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Affiliation(s)
- H-J Xing
- Department of Cardiology, Xi'an Children's Hospital, Shaanxi, China.
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Jiang P, Bai JJ, Ye X, Jian Q, Chen M, Chen XQ. Shoaling and mate choice of wild-type Tanichthys albonubes in the presence of the red fluorescent transgenic conspecifics. J Fish Biol 2011; 78:127-37. [PMID: 21235550 DOI: 10.1111/j.1095-8649.2010.02840.x] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/30/2023]
Abstract
Shoaling and sexual behaviour of wild-type male and female white cloud mountain minnow Tanichthys albonubes were measured in the presence of the red fluorescent transgenic conspecifics under laboratory conditions. Wild-type female test fish showed no significant preference, whereas wild-type male test fish preferred to be near a shoal of red transgenic fish rather than wild-type fish. When placed in a potentially reproductive context, wild-type males had a higher competitive ability over transgenic males; wild-type females spent more time with wild-type males in visually mediated experiments, but wild-type males performed more courtship displays towards transgenic females. These results suggest that the red body colouration does not appear to disturb signal communication between wild-type and transgenic T. albonubes in shoaling behaviour; transgenic males have no mating advantage over wild-type males, but the red body colouration of transgenic females may affect mate choice of wild-type males.
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Affiliation(s)
- P Jiang
- Key Laboratory of Tropical and Subtropical Fish Breeding and Cultivation, Pearl River Fisheries Research Institute, Chinese Academy of Fishery Sciences, Guangzhou, Guangdong 510380, PR China
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Jie X, Lang C, Jian Q, Chaoqun L, Dehua Y, Yi S, Yanping J, Luokun X, Qiuping Z, Hui W, Feili G, Boquan J, Youxin J, Jinquan T. Androgen activates PEG10 to promote carcinogenesis in hepatic cancer cells. Oncogene 2007; 26:5741-51. [PMID: 17369855 DOI: 10.1038/sj.onc.1210362] [Citation(s) in RCA: 35] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
The molecular mechanism of striking higher prevalence of hepatocellular carcinoma (HCC) in male subjects has not yet been fully elucidated. Here, we report that androgen receptor (AR) is differentially expressed in different HCC cell lines. AR agonist dihydrotestosterone (DHT) enhances HCC cell growth and apoptotic resistance. Antagonist flutamide (FLU) blocks the effects of DHT on the HCC cell lines. Paternally expressed gene 10 (PEG10) is expressed in HCC cell lines at substantial high level. Using small interfering RNAs against AR and PEG10 in AR- and PEG10-expressing BEL-7404 hepatoma cells and HuH7 hepatoma cells (HuH7) cells, and AR-transfection technique in AR-lacking and PEG10-expressing HepG2 cells, we have confirmed that through upregulation and activation of PEG10, DHT enhances HCC cell growth and apoptotic resistance. We have further demonstrated that DHT upregulates expression of human telomerase reverse transcriptase (hTERT) in HCC cell lines in a PEG10-dependent manner. Moreover, AR directly interacts in vivo with androgen-responsive elements in the regions of promoter and exon 2 of PEG10 gene in HCC cell lines. DHT promotes the hepatoma formation in vivo nude mice through PEG10 activation. AR antagonists (FLU and valproate) inhibit the hepatoma formation. These findings suggest that PEG10 plays an essential role in hepatocarcinogenesis. The PEG10 inhibition can be a novel approach for therapy of HCC.
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MESH Headings
- Androgen Antagonists/pharmacology
- Animals
- Apoptosis
- Apoptosis Regulatory Proteins
- Blotting, Northern
- Blotting, Western
- Carcinogens/pharmacology
- Carcinoma, Hepatocellular/genetics
- Carcinoma, Hepatocellular/metabolism
- Carcinoma, Hepatocellular/pathology
- Cell Proliferation
- Chromatin Immunoprecipitation
- DNA-Binding Proteins
- Dihydrotestosterone/pharmacology
- Flow Cytometry
- Flutamide/pharmacology
- Gene Expression Regulation, Neoplastic
- Humans
- Liver Neoplasms/genetics
- Liver Neoplasms/metabolism
- Liver Neoplasms/pathology
- Mice
- Mice, Nude
- Proteins/genetics
- RNA, Small Interfering/pharmacology
- RNA-Binding Proteins
- Receptors, Androgen/metabolism
- Response Elements/genetics
- Reverse Transcriptase Polymerase Chain Reaction
- Telomerase/metabolism
- Transfection
- Tumor Cells, Cultured
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Affiliation(s)
- X Jie
- Department of Immunology, and Laboratory of Allergy and Clinical Immunology, Institute of Allergy and Immune-related Diseases and Medical Research Center, Wuhan University School of Medicine, Wuhan, China
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Rudowicz C, Jian Q. The extended version of the computer package CST for conversions, standardization and transformations of the spin Hamiltonian and the crystal-field Hamiltonian. Comput Chem 2002; 26:149-57. [PMID: 11778938 DOI: 10.1016/s0097-8485(01)00092-4] [Citation(s) in RCA: 42] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
The computer package CST (Conversions, Standardization and Transformations) is useful for general manipulations of the zero-field splitting (ZFS) and crystal field (CF) parameters for various systems, especially for transition ions at orthorhombic and lower symmetry sites in crystals. The ZFS parameters are extensively used in the EMR and related spectroscopic and magnetic studies (e.g. magnetic susceptibility, magnetic anisotropy, Mössbauer spectroscopy), whereas the CF parameters in optical absorption spectroscopy, inelastic neutron scattering, and infrared spectroscopy. An extended version of the CST package developed recently is presented in this paper. The standardization, including the standardization errors, for the five possible non-standard ranges of the 'rhombicity' parameter for monoclinic and triclinic symmetry in the local axis system has been worked out. The handling of the border points in the standardization module has been improved. The rotational invariants used before only for the transformations of the CF parameters have been incorporated into the standardization module for the CF and ZFS parameters expressed in any of the major tensor operator notations. The input option in the Euler angles has been added into the transformation module, and the newest physical constants in the unit conversions module have been adopted. Specific applications of the CST package for the CF and ZFS parameters will be presented elsewhere.
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Affiliation(s)
- C Rudowicz
- Department of Physics and Materials Science, City University of Hong Kong, Kowloon Tong, SAR, China.
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Xu DH, Ge K, Zheng ZC, Jian Q, Liu XY. [Constructure of a recombinant adenovirus vector with HSV-TK and it's killer effect on tumor cells in vitro]. Shi Yan Sheng Wu Xue Bao 1998; 31:283-9. [PMID: 12016973] [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: 02/25/2023]
Abstract
High-titer replication-defective recombinant adenovirus expressing HSV-TK gene was constructed. Firstly, shuttle plasmid pAdCMVTK containing HSV-TK gene and CMV promoter was constructed and then recombined with right arm of adenovirus DNA. Secondly, the positive plaques containing recombinant adenovirus were identified and selected out by PCR and Southern blotting after infection into human embryo kidney 293 cells. The titer of recombinant adenovirus AdCMVTK was determined by plaque forming assay and it was as high as 10(12) pfu/ml. Tumor cells were infected with AdCMVTK and then treated with GCV. Cytotoxic effects were assayed with MTT method. HeLa, A549 and LoVo cells infected with AdCMVTK (M. O. I. = 100) became sensitive to the prodrug GCV, with IC50 less than 4 mumol/L. Significant bystander effect was observed. Results here show that the AdCMVTK/GCV system might be potential in the gene therapy for cancer.
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Affiliation(s)
- D H Xu
- Shanghai Institute of Biochemistry, Chinese Academy of Sciences, Shanghai 200031
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Jian Q, Xie Y, Xie H. [Quantitative assessment of allospecific interleukin-2-secreting helper T lymphocyte in cord blood with limiting dilution assay]. Zhonghua Xue Ye Xue Za Zhi 1997; 18:588-91. [PMID: 15625898] [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: 05/01/2023]
Abstract
OBJECTIVE In order to investigate whether cord blood transplantation could induce severe graft versus host disease (GVHD) similar to that in bone marrow transplantation. METHODS The frequency of allospecific IL-2-secreting helper T lymphocyte (AIHTL) in 17 cord blood and 14 adult peripherial blood samples were detected by limiting dilution assay. RESULTS No statistically significant difference between the cord blood and adult peripheral blood AIHTLs was revealed. CONCLUSION Alloreactivity of cord blood was the same as that of adult blood. HLA typing and powerful immunosuppressive therapy should be adopted to reduce the incidence of GVHD in cord blood transplantation.
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Affiliation(s)
- Q Jian
- Huashan Hospital, Shanghai Medical University, Shanghai 200040
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