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Hu L, Yuan J, Fu J, Zhang T, Gao L, Xiao Y, Mao P, Qu L. Copper-Catalyzed Direct C-3 Benzylation of Quinoxalin-2(1H
)-ones with Methylarenes under Microwave Irradiation. European J Org Chem 2018. [DOI: 10.1002/ejoc.201800697] [Citation(s) in RCA: 74] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Leqian Hu
- School of Chemistry and Chemical Engineering; Academician Workstation for Natural Medicinal Chemistry of Henan Province; Henan University of Technology;; 450001 Zhengzhou P. R. China
| | - Jinwei Yuan
- School of Chemistry and Chemical Engineering; Academician Workstation for Natural Medicinal Chemistry of Henan Province; Henan University of Technology;; 450001 Zhengzhou P. R. China
| | - Junhao Fu
- School of Chemistry and Chemical Engineering; Academician Workstation for Natural Medicinal Chemistry of Henan Province; Henan University of Technology;; 450001 Zhengzhou P. R. China
| | - Taotao Zhang
- School of Chemistry and Chemical Engineering; Academician Workstation for Natural Medicinal Chemistry of Henan Province; Henan University of Technology;; 450001 Zhengzhou P. R. China
| | - Lele Gao
- School of Chemistry and Chemical Engineering; Academician Workstation for Natural Medicinal Chemistry of Henan Province; Henan University of Technology;; 450001 Zhengzhou P. R. China
| | - Yongmei Xiao
- School of Chemistry and Chemical Engineering; Academician Workstation for Natural Medicinal Chemistry of Henan Province; Henan University of Technology;; 450001 Zhengzhou P. R. China
| | - Pu Mao
- School of Chemistry and Chemical Engineering; Academician Workstation for Natural Medicinal Chemistry of Henan Province; Henan University of Technology;; 450001 Zhengzhou P. R. China
| | - Lingbo Qu
- School of Chemistry and Chemical Engineering; Academician Workstation for Natural Medicinal Chemistry of Henan Province; Henan University of Technology;; 450001 Zhengzhou P. R. China
- College of Chemistry and Molecular Engineering; Zhengzhou University; 450001 Zhengzhou PR China
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202
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Li AL, Lv JB, Gao L. MiR-181a mediates Ang II-induced myocardial hypertrophy by mediating autophagy. Eur Rev Med Pharmacol Sci 2018; 21:5462-5470. [PMID: 29243791 DOI: 10.26355/eurrev_201712_13936] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Abstract
OBJECTIVE To investigate the relationship between miR-181a and cardiac hypertrophy and autophagy in rats with myocardial hypertrophy, and whether miR-181a regulates the autophagy through ATG5, thereby participating in the occurrence and development of myocardial hypertrophy. MATERIALS AND METHODS The rat model of myocardial hypertrophy was established via the abdominal aortic coarctation. The expression of miR-181a in cardiac tissues was detected via reverse transcription-polymerase chain reaction (RT-PCR). The expressions of autophagy-related proteins, ATG5 and LC3II/LC3I, in cardiac tissues, were detected via Western blotting (WB). After the primary culture of myocardial cells in rats, they were stimulated via Angiotensin II (Ang II) to observe the effects of autophagy inhibitor 3-methyladenine (3-MA) and overexpression of ATG5 on the expression of hypertrophic genes in myocardial cells, respectively. The expressions of autophagy-related proteins ATG5 and LC3II/LC3I were detected via WB, the autophagic rate was observed via flow cytometry and the changes in autophagic vacuoles of myocardial cells were observed using the transmission electron microscope. The changes in mRNA and protein expressions of ATG in myocardial cells were observed after the overexpression of miR-181a or the inhibition of miR-181a activity. The changes in miR-181a and the expression of hypertrophic genes in myocardial cells after Ang II stimulation were observed via RT-PCR. RESULTS In rats with myocardial hypertrophy, the cardiac autophagy was increased and the expression of miR-181a in hypertrophic myocardium was downregulated. 3-MA inhibited the ATG5-induced autophagy and improved the Ang II-induced myocardial hypertrophy, while the overexpression of ATG5 enhanced the myocardial autophagy and the expression of hypertrophic genes. MiR-181a regulated the ATG5-induced myocardial autophagy, and its downregulation mediated the Ang II-induced myocardial hypertrophy. CONCLUSIONS The enhancement of ATG5-induced myocardial autophagy mediates the Ang II-induced myocardial hypertrophy. ATG5 is the target gene of miR-181a, it can regulate the myocardial autophagy via ATG5, thus mediating the Ang II-induced myocardial hypertrophy.
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Affiliation(s)
- A-L Li
- Department of Cardiology, Shandong Shanxian Central Hospital, Shanxian, China.
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203
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Gao L, Mao C, Yu GY, Peng X. [Comorbidity in oral squamous cell carcinoma patients: an initial research in Beijing area]. Zhonghua Kou Qiang Yi Xue Za Zhi 2018; 53:433-436. [PMID: 29996358 DOI: 10.3760/cma.j.issn.1002-0098.2018.07.001] [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 make a preliminery research of comobidity in oral squamous cell carcinoma (OSCC) patients who resides in Beijing area and investigate whether comorbidity affect the surviving rate independently. Compare the similarities and differences between Chinese and foreign OSCC patients. Methods: The medical records of 313 patients who undertaken operation in Peking University Stomatology School from January 2007 to Delember 2009 were retrospectively reviewed. Adult comorbidity evaluation-27 Chinese edition index was used to estimate the comorbidity severity. COX proportional hazards model was used to analyze whether the TNM stage, comobidity, age and gender affected 5-year survival rate. Results: TNM stage and comorbidity have a significant impact on survival rate, the postoperative survival rate decreased significantly with the increasing level of TNM staging and the complexity of comorbidity disease. In this study, the proportion of patients with none, mild, moderate and severe comorbidity diseases was 24%, 48%, 18% and 10%. The five-year survival rates of patients with moderate and severe comorbidity disease were 50% (29/58) and 13% (4/30) respectively. Conclusions: The comorbidity disease information can help assess the overall health of OSCC patients, and it is recommended to improve the clinical staging and overall evaluation of oral cancer patients with comorbidity disease information.
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Affiliation(s)
- L Gao
- Second Clinical Division, Peking University School and Hospital of Stomatology & National Clinical Research Center for Oral Diseases & National Engineering Laboratory for Digital and Material Technology of Stomatology & Beijing Key Laboratory of Digital Stomatology, Beijing 100101, China
| | - C Mao
- Department of Oral and Maxillofacial Surgery, Peking University School and Hospital of Stomatology & National Clinical Research Center for Oral Diseases & National Engineering Laboratory for Digital and Material Technology of Stomatology & Beijing Key Laboratory of Digital Stomatology, Beijing 100081, China
| | - G Y Yu
- Department of Oral and Maxillofacial Surgery, Peking University School and Hospital of Stomatology & National Clinical Research Center for Oral Diseases & National Engineering Laboratory for Digital and Material Technology of Stomatology & Beijing Key Laboratory of Digital Stomatology, Beijing 100081, China
| | - X Peng
- Department of Oral and Maxillofacial Surgery, Peking University School and Hospital of Stomatology & National Clinical Research Center for Oral Diseases & National Engineering Laboratory for Digital and Material Technology of Stomatology & Beijing Key Laboratory of Digital Stomatology, Beijing 100081, China
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204
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Pan Q, Liu L, Gao Y, Liu C, Qi X, Zhang Y, Wang Y, Li K, Gao L, Wang X, Cui H. Characterization of a hypervirulent fowl adenovirus 4 with the novel genotype newly prevalent in China and establishment of reproduction infection model of hydropericardium syndrome in chickens. Poult Sci 2018; 96:1581-1588. [PMID: 28339951 DOI: 10.3382/ps/pew431] [Citation(s) in RCA: 34] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2016] [Accepted: 11/16/2016] [Indexed: 11/20/2022] Open
Abstract
Severe hydropericardium syndrome (HPS) has been present in layers in the northeast of China since June 2015, with mortality rates varying from 30 to 90%. Dead layers had severe hydropericardium with pericardial volumes of 5 to 20 mL, as well as inclusion body hepatitis. Laboratory investigations led to the isolation of a fowl adenovirus strain, HLJFAd15, from the liver tissue of dead layers. Natural deletions of ORF19 and ORF27 were found in this clinical strain by complete genome sequencing, which was identified with the novel genotype recently prevalent in China. The pathogenicity characterization was conducted in 35-day-old SPF chickens using HLJFAd15 with novel genotype of fowl adenovirus serotype 4 (FAdV-4). The reproduction disease cases of HPS with mortality rates of 76.9% by oral administration and 100% by intramuscular injection were induced successfully by challenging SPF chickens, respectively. Non-enveloped viral particles with a mean diameter of approximately 80 nm were found in the livers of virus-infected SPF chickens. Our study revealed that HLJFAd15 was identified with the novel genotype strains recently emerging in China by complete genome sequencing, and the strain was capable of causing HPS by the pathogenicity analysis. However, although there is currently no commercial vaccine against the novel genotype FAdV-4, the animal infection model established in this study was valuable for vaccine evaluation and development.
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Affiliation(s)
- Q Pan
- Division of Avian Infectious Diseases, State Key Laboratory of Veterinary Biotechnology, Harbin Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Harbin, 150001, China
| | - L Liu
- Division of Avian Infectious Diseases, State Key Laboratory of Veterinary Biotechnology, Harbin Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Harbin, 150001, China
| | - Y Gao
- Division of Avian Infectious Diseases, State Key Laboratory of Veterinary Biotechnology, Harbin Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Harbin, 150001, China
| | - C Liu
- Division of Avian Infectious Diseases, State Key Laboratory of Veterinary Biotechnology, Harbin Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Harbin, 150001, China
| | - X Qi
- Division of Avian Infectious Diseases, State Key Laboratory of Veterinary Biotechnology, Harbin Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Harbin, 150001, China
| | - Y Zhang
- Division of Avian Infectious Diseases, State Key Laboratory of Veterinary Biotechnology, Harbin Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Harbin, 150001, China
| | - Y Wang
- Division of Avian Infectious Diseases, State Key Laboratory of Veterinary Biotechnology, Harbin Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Harbin, 150001, China
| | - K Li
- Division of Avian Infectious Diseases, State Key Laboratory of Veterinary Biotechnology, Harbin Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Harbin, 150001, China
| | - L Gao
- Division of Avian Infectious Diseases, State Key Laboratory of Veterinary Biotechnology, Harbin Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Harbin, 150001, China
| | - X Wang
- Division of Avian Infectious Diseases, State Key Laboratory of Veterinary Biotechnology, Harbin Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Harbin, 150001, China.,Jiangsu Co-innovation Center for Prevention and Control of Important Animal Infectious Disease and Zoonoses, Yangzhou, 225009, China
| | - H Cui
- Division of Avian Infectious Diseases, State Key Laboratory of Veterinary Biotechnology, Harbin Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Harbin, 150001, China
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205
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Yang JX, Sun Y, Gao L, Meng Q, Yang BY. Long non-coding RNA DANCR facilitates glioma malignancy by sponging miR-33a-5p. Neoplasma 2018; 65:790-798. [PMID: 29940760 DOI: 10.4149/neo_2018_170724n498] [Citation(s) in RCA: 30] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2017] [Accepted: 11/03/2017] [Indexed: 11/08/2022]
Abstract
Glioma is among the most fatal brain tumors characterized by a highly malignancy and rapid progression and early metastasis. Dysregulation of long non-coding RNA differentiation antagonizing non-protein coding RNA (LncRNA DANCR) is associated with the development, progression and metastasis of various cancers. In the present study, we investigated functional role of LncRNA DANCR in the malignancy of glioma. The results showed that LncRNA DANCR was increased in glioma tissues and cells compared with normal brain tissues and cells. DANCR expression was positively correlated with the malignancy and poor prognosis of glioma patients. DANCR contained a binding site of miR-33a-5p. miR-33a-5p was decreased in glioma tissues and cells compared with normal brain tissues and cells. Downregulation of miR-33a-5p was positively correlated with the malignancy and poor prognosis of glioma patients. In glioma tissues, the expression of DANCR was negatively correlated with the expression of miR-33a-5p. Downregulation of DANCR increased miR-33a-5p expression. miR-33a-5p mimic reduced the luciferase of DANCR-WT but not DANCR-MUT. DANCR pull-down showed the expression of miR-33a-5p. miR-33a-5p mimic enhanced knockdown of DANCR -induced inhibition of cell proliferation, migration, and EMT, and increase of apoptosis. Anti-miR-33a-5p reversed the effects of si- DANCR on cell malignancy. Knockdown of DANCR remarkably reduced the increase of tumor volumes in xenograft mouse models. In tumor tissues, knockdown of DANCR increased the expression of miR-33a-5p, reduced EMT and increased apoptosis. Our study provides novel insights in the functions of LncRNA DANCR-miR-33a-5p axis in tumorigenesis of glioma.
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Affiliation(s)
- J X Yang
- Department of Neurosurgery, The Second People Hospital of Xin Xiang, Xin Xiang, China
| | - Y Sun
- Department of Neurosurgery, Tangdu Hospital, Fourth Military Medical University, Xi'an, China
| | - L Gao
- Department of Neurosurgery, Tangdu Hospital, Fourth Military Medical University, Xi'an, China
| | - Q Meng
- Department of Neurosurgery, Tangdu Hospital, Fourth Military Medical University, Xi'an, China
| | - B Y Yang
- Department of Neurosurgery, 999 Brain Hospital of Guang Dong, Guang Zhou, China
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206
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Sun SH, Zhang H, Gao L, Zhou YQ. [Combined orthodontic-periodontal-prosthodontic treatment for the maxillary incisor trauma: a multidisciplinary case report]. Zhonghua Kou Qiang Yi Xue Za Zhi 2018; 53:428-430. [PMID: 29886640 DOI: 10.3760/cma.j.issn.1002-0098.2018.06.013] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Affiliation(s)
- S H Sun
- Department of Orthodontics, Peking University School and Hospital of Stomatology & National Clinical Research Center for Oral Diseases & National Engineering Laboratory for Digital and Material Technology of Stomatology & Beijing Key Laboratory of Digital Stomatology, Beijing 100081, China(Present address: Department of Stomatology, The Third Affiliated Hospital of Zhengzhou University, Zhengzhou 450052, China)
| | - H Zhang
- Department of Prosthodontics, Peking University School and Hospital of Stomatology & National Clinical Research Center for Oral Diseases & National Engineering Laboratory for Digital and Material Technology of Stomatology & Beijing Key Laboratory of Digital Stomatology, Beijing 100081, China
| | - L Gao
- Department of Periodontology, Peking University School and Hospital of Stomatology & National Clinical Research Center for Oral Diseases & National Engineering Laboratory for Digital and Material Technology of Stomatology & Beijing Key Laboratory of Digital Stomatology, Beijing 100081, China
| | - Y Q Zhou
- Department of Orthodontics, Peking University School and Hospital of Stomatology & National Clinical Research Center for Oral Diseases & National Engineering Laboratory for Digital and Material Technology of Stomatology & Beijing Key Laboratory of Digital Stomatology, Beijing 100081, China
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207
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Gao L, Fan Y, Yang Y, Xie R, Yang J, Chen Z. Mechanism of Premature Apoptosis in CD1d-Restricted Natural Killier T Cells From Human Peripheral Blood During the Induction of Proliferation In Vitro. Transplant Proc 2018; 50:1514-1518. [PMID: 29880380 DOI: 10.1016/j.transproceed.2018.02.071] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2017] [Revised: 02/07/2018] [Accepted: 02/19/2018] [Indexed: 11/30/2022]
Abstract
OBJECTIVE A preliminary investigation on the proliferation and cultivation process of natural killer T cells (NKT) was carried out. We provide reference data for future NKT-related research and development. METHODS Peripheral blood mononuclear cells (PBMCs) were isolated from healthy people and were induced by α-galactosylceramide (α-GalCer). The phenotypic changes of the cells and the activation and apoptosis of Caspase-3 were recorded for 3-4 weeks. RESULTS The proliferation of the NKT cells continued for approximately 3 weeks, and then apoptosis started to occur. The activity of Caspase-3 was maintained at a high level from the second week. The responses of individual human NKT cells to α-GalCer stimulation differed significantly. CONCLUSION The proliferation of the NKT cells continued for approximately 3 weeks, and then apoptosis Semiconstitutively started to occur. The activity of Caspase-3 was maintained at a high level from the second week. The responses of individual human NKT cells to α-GalCer stimulation differed significantly.
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Affiliation(s)
- L Gao
- Shanghai Blood Center, Shanghai, China.
| | - Y Fan
- Department of Gynecology, Huashan Hospital North Fudan University, Shanghai, China
| | - Y Yang
- Shanghai Blood Center, Shanghai, China
| | - R Xie
- Shanghai Blood Center, Shanghai, China
| | - J Yang
- Shanghai Blood Center, Shanghai, China.
| | - Z Chen
- Department of Hematology, Huashan Hospital, Fudan University, Shanghai, China; Quintiles Asia Medical Oncology, Shanghai, China.
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Abstract
OBJECTIVE To evaluate the prevalence of breast tenderness in a population treated with menopausal hormone therapy (MHT) or Cimicifuga foetida extract. METHODS A prospective, randomized, controlled trial was conducted. Ninety-six postmenopausal women were randomly assigned to three groups: group A, 1 mg estradiol valerate daily plus 4 mg medroxyprogesterone acetate (MPA), days 19-30; group B, 1 mg estradiol valerate daily plus 100 mg micronized progesterone (MP), days 19-30; group C, 100 mg C. foetida extract daily. Breast tenderness was evaluated daily for 12 months. RESULTS Seventy-three patients completed the study. Group A had the highest prevalence of breast tenderness, while group C had the lowest. More than 50% of all participants reported no symptoms throughout the period. The participants in group A experienced a sharp increase in breast tenderness after treatment, but decreased after 1 month. No significant decline was found in the duration of pain in group B. The patients in group C reported no remarkable changes after 1 month. Compared to estrogen only, estrogen plus MPA/MP led to a higher incidence of prolonged breast symptoms. CONCLUSIONS Compared to MHT groups, C. foetida extract had the lowest prevalence of breast tenderness. Most participants experienced mild or no symptoms.
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Affiliation(s)
- L Gao
- a Department of Obstetrics and Gynecology , Peking Union Medical College Hospital, Peking Union Medical College, Chinese Academy of Medical Sciences , Beijing , China.,b Department of Obstetrics and Gynecology , Jiaxing Maternity and Child Health Care Hospital, College of Medicine, Jiaxing University , Jiaxing , China
| | - H Zuo
- c Department of Obstetrics and Gynecology , The Second Hospital of Hebei Medical University , Hebei , China
| | - T Zheng
- a Department of Obstetrics and Gynecology , Peking Union Medical College Hospital, Peking Union Medical College, Chinese Academy of Medical Sciences , Beijing , China
| | - W Xue
- a Department of Obstetrics and Gynecology , Peking Union Medical College Hospital, Peking Union Medical College, Chinese Academy of Medical Sciences , Beijing , China
| | - Y Wang
- a Department of Obstetrics and Gynecology , Peking Union Medical College Hospital, Peking Union Medical College, Chinese Academy of Medical Sciences , Beijing , China
| | - Y Deng
- a Department of Obstetrics and Gynecology , Peking Union Medical College Hospital, Peking Union Medical College, Chinese Academy of Medical Sciences , Beijing , China
| | - A Sun
- a Department of Obstetrics and Gynecology , Peking Union Medical College Hospital, Peking Union Medical College, Chinese Academy of Medical Sciences , Beijing , China
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209
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Gao L, Xu SS, Yang JQ, Shen M, Li MH. Genome-wide association study reveals novel genes for the ear size in sheep (Ovis aries). Anim Genet 2018; 49:345-348. [PMID: 29774586 DOI: 10.1111/age.12670] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 03/14/2018] [Indexed: 01/24/2023]
Abstract
Variations in ear size can be observed in livestock such as sheep; however, the genetic basis of variable ear size in sheep is still poorly understood. To investigate causative genes associated with ear size in sheep, a genome-wide association study was performed in 115 adult Duolang sheep with different-sized floppy ears using the Ovine Infinium HD BeadChip. We found 38 significant SNPs at the genome-wide or chromosome-wise 5% significance level after Bonferroni correction. The most significant association (P = 1.61 × 10-6 ) was found at SNP rs402740419, located in the DCC gene, which plays a critical role in ear development. Also, we observed two additional significant SNPs, rs407891215 in PTPRD and rs407769095 in SOX5, both of which are functionally associated with ear developmental processes. Our results are useful for future sheep breeding and provide insights into the genetic basis of ear size development in sheep and other livestock.
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Affiliation(s)
- L Gao
- Institute of Animal Husbandry and Veterinary Medicine, Xinjiang Academy of Agricultural and Reclamation Sciences, Shihezi, 832000, China.,State Key Laboratory of Sheep Genetic Improvement and Healthy Breeding, Xinjiang Academy of Agricultural and Reclamation Sciences, Shihezi, 832000, China
| | - S-S Xu
- CAS Key Laboratory of Animal Ecology and Conservation Biology, Institute of Zoology, Chinese Academy of Sciences (CAS), Beijing, 100101, China.,College of Life Sciences, University of Chinese Academy of Sciences (UCAS), Beijing, 100049, China
| | - J-Q Yang
- Institute of Animal Husbandry and Veterinary Medicine, Xinjiang Academy of Agricultural and Reclamation Sciences, Shihezi, 832000, China.,State Key Laboratory of Sheep Genetic Improvement and Healthy Breeding, Xinjiang Academy of Agricultural and Reclamation Sciences, Shihezi, 832000, China
| | - M Shen
- Institute of Animal Husbandry and Veterinary Medicine, Xinjiang Academy of Agricultural and Reclamation Sciences, Shihezi, 832000, China.,State Key Laboratory of Sheep Genetic Improvement and Healthy Breeding, Xinjiang Academy of Agricultural and Reclamation Sciences, Shihezi, 832000, China
| | - M-H Li
- CAS Key Laboratory of Animal Ecology and Conservation Biology, Institute of Zoology, Chinese Academy of Sciences (CAS), Beijing, 100101, China.,College of Life Sciences, University of Chinese Academy of Sciences (UCAS), Beijing, 100049, China
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210
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Zhao M, Jacob W, Gao L, Manhard A, Dürbeck T, Zhou Z. Deuterium retention behavior of pure and Y2O3-doped tungsten investigated by nuclear reaction analysis and thermal desorption spectroscopy. Nuclear Materials and Energy 2018. [DOI: 10.1016/j.nme.2018.05.016] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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211
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Fu W, Gao Z, Gao L, Jin J, Liu M, Sun Y, Wu S, Wu L, Ma H, Dong Y, Wang X, Gao B, Wang H, Akkerdaas JH, Versteeg SA, van Ree R. Identification of a 62-kDa major allergen from Artemisia pollen as a putative galactose oxidase. Allergy 2018; 73:1041-1052. [PMID: 29220102 DOI: 10.1111/all.13375] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 11/29/2017] [Indexed: 12/01/2022]
Abstract
BACKGROUND Around 20 years ago, a 60- to 70-kDa protein was reported as a major allergen of mugwort (Artemisia vulgaris) pollen. This study was to identify and characterize its molecular properties. METHODS Sera from 113 Chinese and 20 Dutch Artemisia-allergic/sensitized subjects (and pools thereof) were used to identify the 60- to 70-kDa allergen. Pollen extracts of seven Artemisia species were compared by immunoblotting. Transcriptomics and proteomics (mass spectrometry) of A. annua pollen were used to identify the putative 60- to 70-kDa Artemisia allergen. Both the natural purified and recombinant allergens were evaluated for IgE reactivity by ImmunoCAP. Fourteen Chinese Artemisia-allergic patients were tested intradermally with purified natural allergen. RESULTS Immunoblots revealed two major bands at 12 and 25 kDa, and a weak band at 70 kDa for all seven Artemisia species. Using a combined transcriptomic and proteomic approach, the high molecular mass allergen in A. annua pollen was shown to be a 62-kDa putative galactose oxidase, with a putative N-glycosylation site. More than 94% of Artemisia pollen-allergic patients had IgE response to this allergen. Although recognition of a nonglycosylated recombinant version was only confirmed in a minority (16%) and at much lower IgE levels, this discrepancy cannot be explained simply by reactivity to the carbohydrate moiety on the natural allergen. Intradermal testing with the natural allergen was positive in five of nine sensitized patients. CONCLUSIONS The previously reported 60- to 70-kDa allergen of Artemisia pollen is most likely a 62-kDa putative galactose oxidase here designated Art an 7.
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Affiliation(s)
- W. Fu
- Allergy Research Center; Zhejiang University; Hangzhou China
- Department of Horticulture, College of Agriculture and Biotechnology; Zhejiang University; Hangzhou China
| | - Z. Gao
- Allergy Research Center; Zhejiang University; Hangzhou China
- Department of Horticulture, College of Agriculture and Biotechnology; Zhejiang University; Hangzhou China
| | - L. Gao
- Department of Horticulture, College of Agriculture and Biotechnology; Zhejiang University; Hangzhou China
| | - J. Jin
- Department of Horticulture, College of Agriculture and Biotechnology; Zhejiang University; Hangzhou China
| | - M. Liu
- Department of Allergy; The Third People's Hospital of Datong; Shanxi China
| | - Y. Sun
- Department of Allergy; Yu Huang Ding Hospital; Yantai Shandong China
| | - S. Wu
- Allergy Research Center; Zhejiang University; Hangzhou China
| | - L. Wu
- Department of Allergy; The Third People's Hospital of Datong; Shanxi China
| | - H. Ma
- Department of Allergy; The Third People's Hospital of Datong; Shanxi China
| | - Y. Dong
- Department of Allergy; The Third People's Hospital of Datong; Shanxi China
| | - X. Wang
- Department of Allergy; The Third People's Hospital of Datong; Shanxi China
| | - B. Gao
- Research Department; Hangzhou Aileji Biotech Ltd; Hangzhou China
| | - H. Wang
- Department of Allergy, The Second Affiliated Hospital, School of Medicine; Zhejiang University; Hangzhou China
| | - J. H. Akkerdaas
- Department of Experimental Immunology; Academic Medical Center; University of Amsterdam; Amsterdam The Netherlands
- Department of Otorhinolaryngology; Academic Medical Center; University of Amsterdam; Amsterdam The Netherlands
| | - S. A. Versteeg
- Department of Experimental Immunology; Academic Medical Center; University of Amsterdam; Amsterdam The Netherlands
- Department of Otorhinolaryngology; Academic Medical Center; University of Amsterdam; Amsterdam The Netherlands
| | - R. van Ree
- Department of Experimental Immunology; Academic Medical Center; University of Amsterdam; Amsterdam The Netherlands
- Department of Otorhinolaryngology; Academic Medical Center; University of Amsterdam; Amsterdam The Netherlands
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Ren W, Gao L, Li S, Chen C, Li F, Wang Q, Zhi Y, Song J, Dou Z, Xue L, Zhi K. Virtual Planning and 3D printing modeling for mandibular reconstruction with fibula free flap. Med Oral Patol Oral Cir Bucal 2018; 23:e359-e366. [PMID: 29680849 PMCID: PMC5945234 DOI: 10.4317/medoral.22295] [Citation(s) in RCA: 25] [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: 11/24/2017] [Accepted: 03/24/2018] [Indexed: 11/26/2022] Open
Abstract
Background This study was to evaluate the use of virtual planning and 3D printing modeling in mandibular reconstruction and compare the operation time and surgical outcome of this technique with conventional method. Material and Methods Between 2014 and 2017, 15 patients underwent vascularized fibula flap mandibular reconstruction using virtual planning and 3D printing modeling. Titanium plates were pre-bent using the models and cutting guides were used for osteotomies. 15 patients who underwent mandibular reconstruction using fibula flap without aid of virtual planning and 3D printing models were selected as control group. The operation time was recorded and compared in two groups. Accuracy of reconstruction was measured by superimposing the preoperative image onto the postoperative image of mandible. The selected bony landmark, distance and angle were measured. Results The mean total operation time and reconstruction time were 1.60±0.37 and 5.54±0.50 hours in computer-assisted group, respectively; These were 2.58±0.45 and 6.54±0.70 hours in conventional group, respectively. Both operation time and reconstruction time were shorter in computer-assisted group. The difference between the preoperative and postoperative intercondylar distances, intergonial angle distances, anteroposterior distances and gonial angles were 2.92±1.15 and 4.48±1.41mm, 2.93±1.19 and 4.79±1.48mm, 4.31±1.24 and 5.61±1.41mm, 3.85±1.68° and 5.88±2.12° in the computer-assisted and conventional group, respectively. The differences between the preoperative and postoperative mandible is smaller in the computer-assisted group. Conclusions Virtual planning and 3D printing modeling have the potential to increase mandibular reconstruction accuracy and reduce operation time. we believe that this technology for mandibular reconstruction in selected patients will become a used method and improve the quality of reconstruction. Key words:Mandibular reconstruction, fibula flap, virtual planning, computer-assisted design, 3D printing.
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Affiliation(s)
- W Ren
- Department of Oral and Maxillofacial Surgery, The affiliated hospital of Qingdao University, No.1677, Wutai mountain Road, Qingdao, Shandong, P. R. China. 255666
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213
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Liu Y, Gao L, He Y, Xie W, Xiong F, Jiang H, Chen F, Qu J, Huang H, Xu W, Lin Y, Xie R, Lou J, Jiang H. Non-invasive prenatal detection for copy number variation. CLIN EXP OBSTET GYN 2018. [DOI: 10.12891/ceog3938.2018] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/01/2022]
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214
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Chen X, Gao L, Sturgis EM, Liang Z, Zhu Y, Xia X, Zhu X, Chen X, Li G, Gao Z. HPV16 DNA and integration in normal and malignant epithelium: implications for the etiology of laryngeal squamous cell carcinoma. Ann Oncol 2018; 28:1105-1110. [PMID: 28327951 PMCID: PMC5406756 DOI: 10.1093/annonc/mdx027] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
Background Molecular evidence suggests that human papillomavirus (HPV) has a role in the etiology of oropharyngeal squamous cell carcinoma. However, the role of HPV in laryngeal squamous cell carcinoma (LSCC) is unclear. Patients and methods We conducted a case–control study using tumor tissue specimens from 300 LSCC patients and vocal cord polyp specimens from 300 cancer-free controls. HPV genotype, HPV16 viral load and viral integration status, and p16 expression were determined. Results The prevalence of HPV (all types) was higher in cases than controls [21 (7.0%) versus 10 (3.3%), adjusted odds ratio (aOR) 2.37, 95% CI 1.08–5.21]. The prevalence of HPV16 was higher in cases than controls [20 (6.7%) versus 8 (2.7%), aOR 2.84, 95% CI 1.21–6.68]. The risk of LSCC associated with HPV16 DNA positivity was even higher in patients aged 55 years or younger (aOR 3.52, 95% CI 1.07–11.54), males (aOR 4.74, 95% CI 1.33–16.90), never-smokers (aOR 5.57, 95% CI 1.41–22.10), and never-drinkers (aOR 3.72, 95% CI 1.09–12.72). HPV DNA was partly or fully integrated in all 20 HPV16-positive cases but was episomal in all 8 HPV16-positive controls; however, the HPV16-positive cases and controls had similar viral loads (P = 0.28). P16 immunostaining was positive in 31 of the 300 cases (10.3%) and negative in all 300 controls. Conclusion These results suggest that prior infection with HPV16 may play a role in the etiology of some LSCC. This larger case–control study will offer for the first time the possibility to address in depth the understanding of a tissue-specific role of HPV in laryngeal carcinogenesis. Further studies with larger samples are needed to confirm these findings.
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Affiliation(s)
- X Chen
- Department of Otolaryngology-Head and Neck Surgery, Peking Union Medical College Hospital, Peking Union Medical College and Chinese Academy of Medical Sciences, Beijing, China
| | - L Gao
- Department of Otolaryngology-Head and Neck Surgery, Peking Union Medical College Hospital, Peking Union Medical College and Chinese Academy of Medical Sciences, Beijing, China
| | - E M Sturgis
- Department of Head and Neck Surgery, The University of Texas MD Anderson Cancer Center, Houston, USA
| | - Z Liang
- Department of Pathology, Peking Union Medical College Hospital, Peking Union Medical College and Chinese Academy of Medical Sciences, Beijing, China
| | - Y Zhu
- Department of Otolaryngology-Head and Neck Surgery, Peking Union Medical College Hospital, Peking Union Medical College and Chinese Academy of Medical Sciences, Beijing, China
| | - X Xia
- Department of Otolaryngology-Head and Neck Surgery, Peking Union Medical College Hospital, Peking Union Medical College and Chinese Academy of Medical Sciences, Beijing, China
| | - X Zhu
- Department of Otolaryngology-Head and Neck Surgery, Peking Union Medical College Hospital, Peking Union Medical College and Chinese Academy of Medical Sciences, Beijing, China
| | - X Chen
- Department of Otolaryngology-Head and Neck Surgery, Peking Union Medical College Hospital, Peking Union Medical College and Chinese Academy of Medical Sciences, Beijing, China
| | - G Li
- Department of Head and Neck Surgery, The University of Texas MD Anderson Cancer Center, Houston, USA
| | - Z Gao
- Department of Otolaryngology-Head and Neck Surgery, Peking Union Medical College Hospital, Peking Union Medical College and Chinese Academy of Medical Sciences, Beijing, China
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215
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Lu J, Chen M, Gao L, Cheng Q, Xiang Y, Huang J, Wu K, Huang J, Li M. A preliminary study on topical ozonated oil in the therapeutic management of atopic dermatitis in murine. J DERMATOL TREAT 2018; 29:676-681. [PMID: 29466894 DOI: 10.1080/09546634.2018.1443199] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
OBJECTIVE To explore whether ozonated oil recovery atopic dermatitis (AD) via immunoregulation. METHODS Mice were repeatedly challenged with the triplex allergens of staphylococcal enterotoxin B, ovalbumin and calcipotriol ointment on the back to develop AD lesions, and were treated with ozonated oil. The lesional skins were scanned by reflectance confocal microscopy to measure the thickness of epidermis. The skin tissues were stained. Th1-type and Th2-type cytokines in serum and in tissues were detected by ELISA and real-time PCR, respectively. RESULTS Ozonated oil significantly inhibited inflammation and healed the lesions in 7 d. Ozonated oil inhibited NGF expression as compared to the groups treated with vehicle or PBS (p < .01).The serum proteins and lesional transcripts of Th2 cytokines including IL-4 and IL-31 were lower in the ozonated oil treated group than the groups treated with vehicle or PBS (p < .05). The IL-10 level was increased with treatment of ozonated oil (p < .01). On the other hand, the expressions of Th1 cytokines including IL-2, TNF-α, and IFN-γ in the serum were not regulated by ozonated oil. CONCLUSIONS Our results showed that ozonated oil could suppress inflammation in an AD murine via decreasing Th2-dominant cytokines response and increasing IL-10 expression. These suggest that ozonated oil may be a potential remedy for AD.
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Affiliation(s)
- J Lu
- a Department of Dermatology , The Third Xiangya Hospital of Central South University , Changsha , PR China
| | - M Chen
- a Department of Dermatology , The Third Xiangya Hospital of Central South University , Changsha , PR China
| | - L Gao
- a Department of Dermatology , The Third Xiangya Hospital of Central South University , Changsha , PR China
| | - Q Cheng
- b Department of Physiology, College of Basic Medical Sciences , Central South University , Changsha , PR China
| | - Y Xiang
- a Department of Dermatology , The Third Xiangya Hospital of Central South University , Changsha , PR China
| | - J Huang
- a Department of Dermatology , The Third Xiangya Hospital of Central South University , Changsha , PR China
| | - K Wu
- a Department of Dermatology , The Third Xiangya Hospital of Central South University , Changsha , PR China
| | - J Huang
- a Department of Dermatology , The Third Xiangya Hospital of Central South University , Changsha , PR China
| | - M Li
- c Department of Immunology, College of Basic Medical Sciences , Central South University , Changsha , PR China
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216
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Yang BY, Meng Q, Sun Y, Gao L, Yang JX. Long non-coding RNA SNHG16 contributes to glioma malignancy by competitively binding miR-20a-5p with E2F1. J BIOL REG HOMEOS AG 2018; 32:251-261. [PMID: 29685003] [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] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
Glioma is among the most fatal and highly aggressive primary malignant tumors in the central nervous system. Small nucleolar RNA host gene 16 (SNHG16) is identified to play an oncogenic role in several cancers. However, the exact mechanism of SNHG16 action in the regulation of glioma development remains unknown. LncRNA SNHG16 was increased in glioma tissues and cells compared with normal brain tissues and cells. SNHG16 expression was correlated with the malignancy and poor prognosis of glioma patients. SNHG16 and E2F1 contained a binding site of miR-20a-5p. miR-20a-5p was decreased in glioma tissues and cells compared with normal brain tissues and cells. Downregulation of miR-20a-5p was correlated with the malignancy and poor prognosis of glioma patients. In glioma tissues, the expression of SNHG16 was negatively correlated with miR-20a-5p. Downregulation of SNHG16 increased miR-20a-5p expression. miR-20a-5p mimic reduced the luciferase activity of SNHG16 and E2F1; miR-20a-5p mimic enhanced the inhibition of cell proliferation, invasion, migration, and EMT, and increase of apoptosis induced by SNHG16 knockdown. Anti-miR-20a-5p reversed the effects of shSNHG16. We also found that SNHG16 may act as a ceRNA for miR-20a-5p, enhancing the expression of E2F1. Additionally, knockdown of SNHG16 remarkably reduced the increase of tumor volumes in xenograft mouse models. In tumor tissues, knockdown of SNHG16 increased the expression of miR-20a-5p, reduced EMT and increased apoptosis. In conclusion, SNHG16 promotes glioma tumorigenesis by sponging miR-20a-5p, leading to the enhancement of its endogenous targets E2F1. The data provides a new clue for the role of SNHG16/miR-20a-5p/E2F1 in the development of glioma.
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Affiliation(s)
- B Y Yang
- Department of Neurosurgery, 999 Brain Hospital of Guang Dong, Guang Zhou, China
| | - Q Meng
- Department of Neurosurgery, Tangdu Hospital, Fourth Military Medical University, Xian, China
| | - Y Sun
- Department of Neurosurgery, Tangdu Hospital, Fourth Military Medical University, Xian, China
| | - L Gao
- Department of Neurosurgery, Tangdu Hospital, Fourth Military Medical University, Xian, China
| | - J X Yang
- Department of Neurosurgery, The Second People Hospital of Xin Xiang, Xin Xiang, China
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217
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Colombel JF, Sloan S, Gasink C, Gao L, Jacobstein D, Lee SD, Targan S. A147 RESPONSE AND REMISSION AFTER 16 WEEKS OF USTEKINUMAB– AN ALL PATIENTS ANALYSIS FROM THE UNITI CROHN’S STUDIES. J Can Assoc Gastroenterol 2018. [DOI: 10.1093/jcag/gwy009.147] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Affiliation(s)
- J F Colombel
- School Of Medicine, Mount Sinai Medical Center, New York, NY
| | - S Sloan
- Janssen Scientific Affairs, LLC, Horsham, PA
| | - C Gasink
- Janssen Scientific Affairs, LLC, Horsham, PA
| | - L Gao
- Janssen Scientific Affairs, LLC, Horsham, PA
| | - D Jacobstein
- Janssen Research & Development, LLC, Spring House, PA
| | - S D Lee
- University of Washington Medical Center, Seattle, WA
| | - S Targan
- Cedars-Sinai Medical Center, Los Angeles, CA
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218
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Deng H, Dai Y, Lu H, Li SS, Gao L, Zhu DL. Analysis of the correlation between non-alcoholic fatty liver disease and bone metabolism indicators in healthy middle-aged men. Eur Rev Med Pharmacol Sci 2018; 22:1457-1462. [PMID: 29565507 DOI: 10.26355/eurrev_201803_14493] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Abstract
OBJECTIVE To investigate the relationship between bone metabolic indicators and non-alcoholic fatty liver disease (NAFLD) in healthy middle-aged men. PATIENTS AND METHODS The bone metabolic indicators of 232 healthy middle-age men with NAFLD (NAFLD group) and 308 healthy controls without fatty liver (Control group) were measured, including non-collagenous osteocalcin, the procollagen type 1 N-terminal propeptide (P1NP), beta-C-terminal telopeptide of type I collagen (β-CTX). The Student's t-test was used to analyze the differences in the bone metabolic indicators, age, clinical data, biochemical indicators, and the indicators of glucose and lipid metabolism between the two groups. The correlation of fatty liver-related indicators was detected using the logistic regression analysis. RESULTS The body mass index (BMI), diastolic blood pressure, and heart rate in NAFLD group were significantly higher than those in Control group. Among the indicators of glucose and lipid metabolism in NAFLD group, the levels of blood glucose [fasting plasma glucose, postprandial blood glucose and hemoglobin A1c (HbA1c)] were significantly higher than those in Control group. In addition, the insulin resistance and secretion indexes were also significantly higher than those in Control group. The levels of lipid metabolic indicators such as triglyceride were higher, but high-density lipoprotein cholesterol was lower than that in Control group. From logistic regression analysis, the BMI, Homeostasis model assessment (HOMA)-β, HOMA-IR, HbA1c and P1NP were positively associated with the occurrence of NAFLD. CONCLUSIONS The bone metabolic indicator P1NP might be a potential predicator for the diagnosis of NAFLD in clinical application.
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Affiliation(s)
- H Deng
- Department of Geriatrics, Drum Tower Clinical Medical College of Nanjing Medical University, Nanjing, China.
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219
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Mendelson CR, Montalbano AP, Gao L. 76 Fetal-to-Maternal Signaling in the Timing of Birth. J Anim Sci 2018. [DOI: 10.1093/jas/sky027.076] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Affiliation(s)
- C R Mendelson
- Depts. of Biochemistry and Ob-Gyn, Univ. Texas Southwestern Medical Center, Dallas, TX
| | - A P Montalbano
- Dept of Physiology, Second Military Medical Unviersity, Shanghai, China
| | - L Gao
- Dept of Physiology, Second Military Medical Unviersity, Shanghai, China
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220
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Sands BE, Gasink C, Jacobstein D, Gao L, Johanns J, Szapary P, Colombel JF, Targan S, Ghosh S, Sandborn W. A85 EFFICACY AND SAFETY OF DOSE ADJUSTMENT AND DELAYED RESPONSE TO USTEKINUMAB IN MODERATE–SEVERE CROHN’S DISEASE: RESULTS FROM THE IM-UNITI MAINTENANCE STUDY. J Can Assoc Gastroenterol 2018. [DOI: 10.1093/jcag/gwy008.086] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Affiliation(s)
- B E Sands
- Icahn School of Medicine at Mt Sinai, New York, NY
| | - C Gasink
- Janssen Research & Development, LLC, Spring House, PA
| | - D Jacobstein
- Janssen Research & Development, LLC, Spring House, PA
| | - L Gao
- Janssen Research & Development, LLC, Spring House, PA
| | - J Johanns
- Janssen Research & Development, LLC, Spring House, PA
| | - P Szapary
- Janssen Research & Development, LLC, Spring House, PA
| | - J F Colombel
- School Of Medicine, Mount Sinai Medical Center, New York, NY
| | - S Targan
- Cedars-Sinai Medical Center, Los Angeles, CA
| | - S Ghosh
- Gastrointestinal Section, Imperial College london, London, United Kingdom
| | - W Sandborn
- University of California San Diego, La Jolla, CA
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221
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Gao L, Han F, Jin Y, Xiong J, Lv Y, Yao Z, Zhang J. Imaging features of rosette-forming glioneuronal tumours. Clin Radiol 2018; 73:275-282. [DOI: 10.1016/j.crad.2017.10.011] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2017] [Revised: 10/04/2017] [Accepted: 10/12/2017] [Indexed: 11/13/2022]
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Zhang B, Ma W, Zhu Q, Xu W, Gao L, Xu B, Xu S, Gao C, Gao L, Liu J, Cui Y. The SET protein promotes androgen production in testicular Leydig cells. Andrology 2018; 6:478-487. [PMID: 29481720 PMCID: PMC6001814 DOI: 10.1111/andr.12476] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2017] [Revised: 01/22/2018] [Accepted: 01/23/2018] [Indexed: 12/31/2022]
Abstract
Approximately 40% of middle‐aged men exhibit symptoms of late‐onset hypogonadism (LOH). However, the mechanism of androgen deficiency is still currently unclear. As shown in our previous studies, the SET protein is expressed in testicular Leydig cells and ovarian granule cells. This study was designed to investigate the effect of the SET protein on androgen production in Leydig cells. The AdCMV/SET and AdH1siRNA/SET adenoviruses were individually transduced into a cultured mouse Leydig cell line (mLTC‐1) with or without human chorionic gonadotropin (HCG) stimulation in vitro. The primary mouse Leydig cells were used to confirm the main data from mLTC‐1 cells. The SET protein was expressed in the cytoplasm and nucleus of mLTC‐1 cells. Testosterone production was significantly increased in mLTC‐1 cells overexpressing the SET protein compared with the control group (p < 0.05), whereas testosterone production was significantly decreased in the SET knockdown mLTC‐1 cells (p < 0.05). Consistent with the testosterone levels, the expression levels of the steroidogenic acute regulatory (StAR) and cytochrome P450c17α‐hydroxylase (CYP17a1) mRNAs and proteins synchronously changed according to the expression level of the SET protein. Interestingly, the expression of the SET protein was significantly increased in the mLTC‐1 cells stimulated with 0.04 and 0.1 U/mL hCG. In the mLTC‐1 cells transfected with AdH1siRNA/SET and concurrently stimulated with 0.1 U/mL hCG, both testosterone production and StAR expression were significantly lower than in the cells without SET knockdown (p < 0.05). In conclusion, the SET protein participates in regulating testosterone production by increasing the expression of StAR and CYP17a1, and it may be a downstream factor of the classic luteinizing hormone (LH)/luteinizing hormone receptor (LHR) signaling pathway. This study improves our understanding of the intracellular mechanism of testicular steroidogenesis and the pathophysiological mechanism of LOH in the aging male.
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Affiliation(s)
- B Zhang
- State Key Laboratory of Reproductive Medicine, Clinical Center of Reproductive Medicine, First Affiliated Hospital, Nanjing Medical University, Nanjing, China
| | - W Ma
- State Key Laboratory of Reproductive Medicine, Clinical Center of Reproductive Medicine, First Affiliated Hospital, Nanjing Medical University, Nanjing, China
| | - Q Zhu
- State Key Laboratory of Reproductive Medicine, Clinical Center of Reproductive Medicine, First Affiliated Hospital, Nanjing Medical University, Nanjing, China
| | - W Xu
- State Key Laboratory of Reproductive Medicine, Clinical Center of Reproductive Medicine, First Affiliated Hospital, Nanjing Medical University, Nanjing, China
| | - L Gao
- Department of Obstetrics and Gynecology, Clinical Medical College of Yangzhou University, Yangzhou, China
| | - B Xu
- Department of Gynecology, Second Affiliated Hospital, Nanjing Medical University, Nanjing, China
| | - S Xu
- State Key Laboratory of Reproductive Medicine, Clinical Center of Reproductive Medicine, First Affiliated Hospital, Nanjing Medical University, Nanjing, China
| | - C Gao
- State Key Laboratory of Reproductive Medicine, Clinical Center of Reproductive Medicine, First Affiliated Hospital, Nanjing Medical University, Nanjing, China
| | - L Gao
- State Key Laboratory of Reproductive Medicine, Clinical Center of Reproductive Medicine, First Affiliated Hospital, Nanjing Medical University, Nanjing, China
| | - J Liu
- State Key Laboratory of Reproductive Medicine, Clinical Center of Reproductive Medicine, First Affiliated Hospital, Nanjing Medical University, Nanjing, China
| | - Y Cui
- State Key Laboratory of Reproductive Medicine, Clinical Center of Reproductive Medicine, First Affiliated Hospital, Nanjing Medical University, Nanjing, China
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Yu WJ, Sun H, Gao L. Enhanced normal-incidence Goos-Hänchen effects induced by magnetic surface plasmons in magneto-optical metamaterials. Opt Express 2018; 26:3956-3973. [PMID: 29475253 DOI: 10.1364/oe.26.003956] [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: 12/18/2017] [Accepted: 01/18/2018] [Indexed: 06/08/2023]
Abstract
Goos-Hänchen (GH) effects at normal incidence are investigated for metamaterials consisting of an array of ferrite rods. A new effective-medium approach is presented and applied to retrieve the effective parameters of the magneto-optical (MO) metamaterials based on a transformation method. Giant normal-incidence Goos-Hänchen (NIGH) shifts on total reflection and enhanced magnetic switching effects are predicted near magnetic surface plasmon (MSP) resonances for structures with small effective permittivity. Numerical simulations are performed and the results are in good agreement with those from the transformation effective-medium approach.
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224
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Cheng L, Sun B, Xiong Y, Hu L, Gao L, Lv Q, Zhou M, Li J, Chen X, Zhang W, Zhou HH. The minor alleles HCP5 rs3099844 A and PSORS1C1 rs3131003 G are associated with allopurinol-induced severe cutaneous adverse reactions in Han Chinese: a multicentre retrospective case-control clinical study. Br J Dermatol 2018; 178:e191-e193. [PMID: 29193002 DOI: 10.1111/bjd.16151] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Affiliation(s)
- L Cheng
- State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Centre, Sun Yat-sen University, Guangzhou, 510060, China
| | - B Sun
- Department of Clinical Pharmacology, Xiangya Hospital, Central South University, Changsha, 410008, China.,Institute of Clinical Pharmacology, Hunan Key Laboratory of Pharmacogenetics, Central South University, Changsha, 410078, China
| | - Y Xiong
- Department of Clinical Pharmacology, Xiangya Hospital, Central South University, Changsha, 410008, China.,Institute of Clinical Pharmacology, Hunan Key Laboratory of Pharmacogenetics, Central South University, Changsha, 410078, China
| | - L Hu
- Department of Pharmacy, Peking University People's Hospital, Beijing, 100044, China
| | - L Gao
- Department of Pharmacy, Department of Oncology, Cancer Institute, Changsha Central Hospital, Changsha, 410004, China
| | - Q Lv
- Department of Clinical Pharmacology, Xiangya Hospital, Central South University, Changsha, 410008, China.,Institute of Clinical Pharmacology, Hunan Key Laboratory of Pharmacogenetics, Central South University, Changsha, 410078, China
| | - M Zhou
- Department of Dermatology, Xiangya Hospital, Central South University, Changsha, 410008, China
| | - J Li
- Department of Dermatology, Xiangya Hospital, Central South University, Changsha, 410008, China
| | - X Chen
- Department of Clinical Pharmacology, Xiangya Hospital, Central South University, Changsha, 410008, China.,Institute of Clinical Pharmacology, Hunan Key Laboratory of Pharmacogenetics, Central South University, Changsha, 410078, China
| | - W Zhang
- Department of Clinical Pharmacology, Xiangya Hospital, Central South University, Changsha, 410008, China.,Institute of Clinical Pharmacology, Hunan Key Laboratory of Pharmacogenetics, Central South University, Changsha, 410078, China
| | - H-H Zhou
- Department of Clinical Pharmacology, Xiangya Hospital, Central South University, Changsha, 410008, China.,Institute of Clinical Pharmacology, Hunan Key Laboratory of Pharmacogenetics, Central South University, Changsha, 410078, China
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Yang G, Cheng BH, Yang SB, Liu ZQ, Qiu SQ, Yang LT, Xie RD, Geng XR, Li MG, Gao L, Liu ZG, Yang PC. Targeting histone-acetyltransferase Tat-interactive protein 60 inhibits intestinal allergy. Allergy 2018; 73:387-394. [PMID: 28871603 DOI: 10.1111/all.13304] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 08/31/2017] [Indexed: 01/06/2023]
Abstract
BACKGROUND The overproduction of IgE plays a critical role in the pathogenesis of allergy; the mechanism is unclear. Histone-acetyltransferase (HAT) activities are required in gene transcription of a large number of molecules in the immune system of the body. OBJECTIVES This study tests a hypothesis that HAT Tat-interactive protein 60 (Tip60) plays an important role in the initiation of IgE-mediated allergy. METHODS The effects of Tip60 on regulating IgE expression were assessed with B cells. An intestinal allergy mouse model was developed to assess the role of Tip60 in the induction of IgE-mediated allergic inflammation. RESULTS High levels of Tip60 were observed in the peripheral B cells of patients with FA. Tat-interactive protein 60 (Tip60) was required in the expression of IgE and IgG1 in B cells by inducing the chromatin remolding at the gene locus, in which histone acetylation, signal transducer and activator of transcription 6 (STAT6), and nuclear factor-κB at the locus of Iε promoter were markedly increased. Blocking Tip60 significantly attenuated the allergic inflammation in the mouse intestinal mucosa. CONCLUSIONS Tat-interactive protein 60 (Tip60) plays an important role in the induction of IgE in B cells. Blocking Tip60 inhibits the allergic inflammation in the intestine, suggesting Tip60 inhibitor may be a potential anti-allergy drug.
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Affiliation(s)
- G. Yang
- The Affiliated ENT Hospital and the Research Center of Allergy & Immunology; Shenzhen University School of Medicine; Shenzhen China
- The Brain Body Institute; McMaster University; Hamilton ON Canada
| | - B.-H. Cheng
- The Affiliated ENT Hospital and the Research Center of Allergy & Immunology; Shenzhen University School of Medicine; Shenzhen China
| | - S.-B. Yang
- Department of Cadre Clinic; Chinese PLA General Hospital; Beijing China
| | - Z.-Q. Liu
- The Affiliated ENT Hospital and the Research Center of Allergy & Immunology; Shenzhen University School of Medicine; Shenzhen China
- The Brain Body Institute; McMaster University; Hamilton ON Canada
| | - S.-Q. Qiu
- The Affiliated ENT Hospital and the Research Center of Allergy & Immunology; Shenzhen University School of Medicine; Shenzhen China
| | - L.-T. Yang
- The Affiliated ENT Hospital and the Research Center of Allergy & Immunology; Shenzhen University School of Medicine; Shenzhen China
- The Brain Body Institute; McMaster University; Hamilton ON Canada
| | - R.-D. Xie
- The Affiliated ENT Hospital and the Research Center of Allergy & Immunology; Shenzhen University School of Medicine; Shenzhen China
| | - X.-R. Geng
- The Affiliated ENT Hospital and the Research Center of Allergy & Immunology; Shenzhen University School of Medicine; Shenzhen China
- The Brain Body Institute; McMaster University; Hamilton ON Canada
| | - M.-G. Li
- The Affiliated ENT Hospital and the Research Center of Allergy & Immunology; Shenzhen University School of Medicine; Shenzhen China
| | - L. Gao
- The Affiliated ENT Hospital and the Research Center of Allergy & Immunology; Shenzhen University School of Medicine; Shenzhen China
| | - Z.-G. Liu
- The Affiliated ENT Hospital and the Research Center of Allergy & Immunology; Shenzhen University School of Medicine; Shenzhen China
| | - P.-C. Yang
- The Affiliated ENT Hospital and the Research Center of Allergy & Immunology; Shenzhen University School of Medicine; Shenzhen China
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Han J, Zhao S, Ma Z, Gao L, Liu H, Muhammad U, Lu Z, Lv F, Bie X. The antibacterial activity and modes of LI-F type antimicrobial peptides against Bacillus cereus in vitro. J Appl Microbiol 2018. [PMID: 28650559 DOI: 10.1111/jam.13526] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
AIMS LI-Fs are a family of highly potent cyclic lipodepsipeptide antibiotics with a broad antimicrobial spectrum (Gram-positive bacteria and fungi). In this study, LI-F-type antimicrobial peptides (AMP-jsa9) composing of LI-F03a, LI-F03b, LI-F04a, LI-F04b and LI-F05b were isolated from Paenibacillus polymyxa JSA-9. To better understand the antimicrobial mechanism of AMP-jsa9, the potency and action(s) of AMP-jsa9 against Bacillus cereus were examined. METHODS AND RESULTS Flow cytometry, confocal laser microscopy, scanning electron microscopy, transmission electron microscopy (TEM) and atomic force microscopy observation, as well as determination of peptidoglycan and cell wall-associated protein and other methods were used. The results indicate that AMP-jsa9 exhibits strong, broad-spectrum antimicrobial activity. Moreover, AMP-jsa9 targets the cell wall and membrane of B. cereus to impair membrane integrity, increase membrane permeability and enhance cytoplasm leakage (e.g. K+ , protein, nucleic acid). This leads to bacterial cells with irregular, withered and coarse surfaces. In addition, AMP-jsa9 is also able to bind to DNA and break down B. cereus biofilms. CONCLUSIONS In this study, the action mechanism of LI-Fs against B. cereus was clarified in details. SIGNIFICANCE AND IMPACT OF THE STUDY The results of this study provide a theoretical basis for utilizing AMP-jsa9 or similar analogues as natural and effective preservatives in the food and feed industries. These efforts could also stimulate research activities interested in understanding the specific effects of other antimicrobial agents.
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Affiliation(s)
- J Han
- Key Laboratory of Food Processing and Quality Control, College of Food Science and Technology, Nanjing Agricultural University, Ministry of Agriculture of China, Nanjing, China
| | - S Zhao
- Key Laboratory of Food Processing and Quality Control, College of Food Science and Technology, Nanjing Agricultural University, Ministry of Agriculture of China, Nanjing, China
| | - Z Ma
- Key Laboratory of Food Processing and Quality Control, College of Food Science and Technology, Nanjing Agricultural University, Ministry of Agriculture of China, Nanjing, China
| | - L Gao
- Key Laboratory of Food Processing and Quality Control, College of Food Science and Technology, Nanjing Agricultural University, Ministry of Agriculture of China, Nanjing, China
| | - H Liu
- Key Laboratory of Food Processing and Quality Control, College of Food Science and Technology, Nanjing Agricultural University, Ministry of Agriculture of China, Nanjing, China
| | - U Muhammad
- Key Laboratory of Food Processing and Quality Control, College of Food Science and Technology, Nanjing Agricultural University, Ministry of Agriculture of China, Nanjing, China
| | - Z Lu
- Key Laboratory of Food Processing and Quality Control, College of Food Science and Technology, Nanjing Agricultural University, Ministry of Agriculture of China, Nanjing, China
| | - F Lv
- Key Laboratory of Food Processing and Quality Control, College of Food Science and Technology, Nanjing Agricultural University, Ministry of Agriculture of China, Nanjing, China
| | - X Bie
- Key Laboratory of Food Processing and Quality Control, College of Food Science and Technology, Nanjing Agricultural University, Ministry of Agriculture of China, Nanjing, China
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Scheuer S, Gao L, Hicks M, Chew H, Villanueva J, Doyle A, Jabbour A, King G, Macdonald P, Dhital K. Putting Donor Heart Preservation to the Acid Test. Heart Lung Circ 2018. [DOI: 10.1016/j.hlc.2018.06.746] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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228
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Abstract
OBJECTIVE The aim of this study was to evaluate the efficacy and safety of long-term treatment with Cimicifuga foetida extract in menopausal women. METHODS A prospective, randomized, controlled clinical trial was conducted. A total of 96 early postmenopausal women were randomly assigned to three groups: group A received 1 mg estradiol valerate daily plus 4 mg medroxyprogesterone acetate on days 19-30; group B received 1 mg estradiol valerate daily plus 100 mg micronized progesterone on days 19-30; group C received 100 mg C. foetida extract daily. The efficacy was evaluated. Safety parameters were recorded. RESULTS A total of 81 patients completed the treatment and follow-up visit. The modified Kupperman Menopausal Index scores decreased after 3 months in all groups. No significant changes were observed in the liver, renal function and components of metabolic syndrome in group C (p > 0.05). There were no significant differences in the incidences of metabolic syndrome among the three groups (p > 0.05). After 24 months, the endometrial thickness increased significantly in group B (p = 0.014), but not in the C. foetida extract group (p > 0.05). CONCLUSIONS C. foetida extract is safe and effective for the treatment of menopausal symptoms in postmenopausal women.
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Affiliation(s)
- L Gao
- a Department of Obstetrics and Gynecology , Peking Union Medical College Hospital, Peking Union Medical College, Chinese Academy of Medical Sciences , Beijing , China.,b Department of Obstetrics and Gynecology , Jiaxing Maternity and Child Health Care Hospital , Jiaxing , China
| | - T Zheng
- a Department of Obstetrics and Gynecology , Peking Union Medical College Hospital, Peking Union Medical College, Chinese Academy of Medical Sciences , Beijing , China
| | - W Xue
- a Department of Obstetrics and Gynecology , Peking Union Medical College Hospital, Peking Union Medical College, Chinese Academy of Medical Sciences , Beijing , China
| | - Y Wang
- a Department of Obstetrics and Gynecology , Peking Union Medical College Hospital, Peking Union Medical College, Chinese Academy of Medical Sciences , Beijing , China
| | - Y Deng
- a Department of Obstetrics and Gynecology , Peking Union Medical College Hospital, Peking Union Medical College, Chinese Academy of Medical Sciences , Beijing , China
| | - H Zuo
- c Department of Obstetrics and Gynecology , The Second Hospital of Hebei Medical University , Hebei , China
| | - A Sun
- a Department of Obstetrics and Gynecology , Peking Union Medical College Hospital, Peking Union Medical College, Chinese Academy of Medical Sciences , Beijing , China
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229
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Shi J, Bitter M, Hill KW, Gao L, Ma J, Xiao S. Investigation of multi-cone geometry imaging with laser lights. Rev Sci Instrum 2017; 88:123116. [PMID: 29289176 DOI: 10.1063/1.4999250] [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: 06/07/2023]
Abstract
A new x-ray imaging crystal spectrometer is developed for time-resolved measurements of x-ray line spectra. One of the main advantages is that it produces perfect images of a point source for each wavelength in a selectable spectral range. The other advantage is that the detector plane can have an arbitrary orientation with respect to the crystal surface. These unique imaging properties are obtained by bending the crystal into a certain shape, which is generated by arranging multiple cones from different aperture angles on a common nodal line. The test results were presented from optical tests of the multi-cone and single-cone structures. The numerical results on the deteriorations of the spectral and spatial resolutions are obtained due to the potential misalignments of the source. The concept of the configuration is considered to be particularly useful for high-power laser experiments where the size of the source is small and a wide spectral range would be diagnosed.
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Affiliation(s)
- J Shi
- Key Laboratory of Optoelectronic Technology and System of Ministry of Education, Chongqing University, Chongqing 400030, China
| | - M Bitter
- Princeton Plasma Physics Laboratory, Princeton, New Jersey 08543, USA
| | - K W Hill
- Princeton Plasma Physics Laboratory, Princeton, New Jersey 08543, USA
| | - L Gao
- Princeton Plasma Physics Laboratory, Princeton, New Jersey 08543, USA
| | - J Ma
- Key Laboratory of Optoelectronic Technology and System of Ministry of Education, Chongqing University, Chongqing 400030, China
| | - S Xiao
- Key Laboratory of Optoelectronic Technology and System of Ministry of Education, Chongqing University, Chongqing 400030, China
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230
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Tan W, Wang J, Zhou F, Gao L, Yin R, Liu H, Sukanthanag A, Wang G, Mihm MC, Chen DB, Nelson JS. Coexistence of Eph receptor B1 and ephrin B2 in port-wine stain endothelial progenitor cells contributes to clinicopathological vasculature dilatation. Br J Dermatol 2017; 177:1601-1611. [PMID: 28599054 DOI: 10.1111/bjd.15716] [Citation(s) in RCA: 32] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 06/03/2017] [Indexed: 12/22/2022]
Abstract
BACKGROUND Port-wine stain (PWS) is a vascular malformation characterized by progressive dilatation of postcapillary venules, but the molecular pathogenesis remains obscure. OBJECTIVES To illustrate that PWS endothelial cells (ECs) present a unique molecular phenotype that leads to pathoanatomical PWS vasculatures. METHODS Immunohistochemistry and transmission electron microscopy were used to characterize the ultrastructure and molecular phenotypes of PWS blood vessels. Primary culture of human dermal microvascular endothelial cells and in vitro tube formation assay were used for confirmative functional studies. RESULTS Multiple clinicopathological features of PWS blood vessels during the development and progression of the disease were shown. There were no normal arterioles and venules observed phenotypically and morphologically in PWS skin; arterioles and venules both showed differentiation impairments, resulting in a reduction of arteriole-like vasculatures and defects in capillary loop formation in PWS lesions. PWS ECs showed stemness properties with expression of endothelial progenitor cell markers CD133 and CD166 in non-nodular lesions. They also expressed dual venous/arterial identities, Eph receptor B1 (EphB1) and ephrin B2 (EfnB2). Co-expression of EphB1 and EfnB2 in normal human dermal microvascular ECs led to the formation of PWS-like vasculatures in vitro, for example larger-diameter and thick-walled capillaries. CONCLUSIONS PWS ECs are differentiation-impaired, late-stage endothelial progenitor cells with a specific phenotype of CD133+ /CD166+ /EphB1+ /EfnB2+ , which form immature venule-like pathoanatomical vasculatures. The disruption of normal EC-EC interactions by coexistence of EphB1 and EfnB2 contributes to progressive dilatation of PWS vasculatures.
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Affiliation(s)
- W Tan
- Department of Surgery, Beckman Laser Institute and Medical Clinic, University of California, Irvine, Irvine, CA, U.S.A
| | - J Wang
- Department of Surgery, Beckman Laser Institute and Medical Clinic, University of California, Irvine, Irvine, CA, U.S.A.,The Third Xiangya Hospital, Xiangya School of Medicine, Central South University, Changsha, Hunan, 412000, China
| | - F Zhou
- Department of Surgery, Beckman Laser Institute and Medical Clinic, University of California, Irvine, Irvine, CA, U.S.A.,The Third Xiangya Hospital, Xiangya School of Medicine, Central South University, Changsha, Hunan, 412000, China
| | - L Gao
- Department of Surgery, Beckman Laser Institute and Medical Clinic, University of California, Irvine, Irvine, CA, U.S.A.,Department of Dermatology, Xijing Hospital, Fourth Military Medical University, Xi'an, 710032, China
| | - R Yin
- Department of Surgery, Beckman Laser Institute and Medical Clinic, University of California, Irvine, Irvine, CA, U.S.A.,Department of Dermatology, The Second Hospital of Shanxi Medical University, Taiyuan, 030001, China
| | - H Liu
- Shandong Provincial Institute of Dermatology and Venereology, Jinan, Shandong, 250022, China
| | - A Sukanthanag
- Department of Surgery, Beckman Laser Institute and Medical Clinic, University of California, Irvine, Irvine, CA, U.S.A
| | - G Wang
- Department of Dermatology, Xijing Hospital, Fourth Military Medical University, Xi'an, 710032, China
| | - M C Mihm
- Department of Dermatology, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, 02115, U.S.A
| | - D-B Chen
- Department of Obstetrics and Gynecology, University of California, Irvine, Irvine, CA, U.S.A
| | - J S Nelson
- Department of Surgery, Beckman Laser Institute and Medical Clinic, University of California, Irvine, Irvine, CA, U.S.A.,Department of Biomedical Engineering, University of California, Irvine, Irvine, CA, U.S.A
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231
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Wang Z, Li N, Gao L, Feng L, Qin YZ, Dang H, Shi Y, He Q, Jiang Q, Jiang H, Lai YY. [Comparative study of cytogenetic response evaluated by conventional banding analysis and fluorescence in situ hybridization in chronic myeloid leukemia patients during tyrosine kinase inhibitor treatment]. Zhonghua Xue Ye Xue Za Zhi 2017; 38:962-967. [PMID: 29224320 PMCID: PMC7342782 DOI: 10.3760/cma.j.issn.0253-2727.2017.11.012] [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] [MESH Headings] [Download PDF] [Subscribe] [Scholar Register] [Received: 04/09/2017] [Indexed: 11/05/2022]
Abstract
Objective: To compare the cytogenetic response detected by conventional banding analysis (CBA) and fluorescence in situ hybridization (FISH) and to explore the correlation between the cytogenetic and molecular response in chronic myeloid leukemia (CML) patients during tyrosine kinase inhibitor (TKI) treatment. Methods: CBA, FISH and real-time quantitative reverse transcriptase polymerase chain reaction (RQ-PCR) methods were performed to detect the cytogenetic and molecular response simultaneously in 504 bone marrow samples from 367 CML patients who received TKI treatment. Results: Among 504 samples, 344 were detected to reach complete cytogenetic response (CCyR) by CBA, while 297 samples reached CCyR by FISH which were considered to carry BCR-ABL positive cells<1%. When the results of CBA, FISH and RQ-PCR were compared in 493 samples at the same time, it showed that in 337 samples with CBA-CCyR, 273 (81.0%) reached FISH-CCyR and 289 (85.8%) were BCR-ABL(IS) (International Scale, IS) ≤1% by RQ-PCR, compared to 9.0 (261/290) were BCR-ABL(IS) ≤1% among 290 samples with FISH-CCyR. There was no significant difference in the median value of BCR-ABL(IS) between samples in CBA-CCyR and FISH-CCyR (0.21% vs 0.13%, z=-1.875, P=0.061) . Furthermore, when the samples were divided into three groups according to BCR-ABL positive cells (0,>0~<1%, 1%~5%) by FISH, the statistical difference was observed, the proportion of samples with BCR-ABL(IS) ≤1% in the three groups were 94.1%, 57.6% and 27.7% respectively (χ(2)=43.499, P<0.001; χ(2)=9.734, P=0.003) , while the median value of BCR-ABL(IS) were 0.10%, 0.64% and 1.80% respectively (z=-5.864, P<0.001; z=-4.787, P<0.001) . Conclusion: FISH results were in good concordance with CBA in identify samples in CCyR, FISH was more sensitive and had better correlation with RQ-PCR results than CBA, but how to define FISH-CCyR need further study.
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Affiliation(s)
- Z Wang
- Peking University People's Hospital, Peking University Institute of Hematology, Beijing Key Laboratory of Hematopoietic Stem Cell Transplantation, Beijing 100044, China
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Zhang B, Zhang H, Gao L, Yue D, Zhang Z, Li C, Wang C. P1.02-004 Long Non-Coding RNA XLOC_000090 Promotes Lung Cancer Migration Through Modulation of miR-4505. J Thorac Oncol 2017. [DOI: 10.1016/j.jtho.2017.09.736] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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233
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Zhang S, Mao W, Li Q, Gao R, Zhang Y, Gao L, Fu C, Wu J, Deng Y, Shen Y, Li T, Liu B, Cao J. Concentration effect of prostaglandin E2
on the growth factor expression and cell proliferation in bovine endometrial explants and their kinetic characteristics. Reprod Domest Anim 2017; 53:143-151. [DOI: 10.1111/rda.13083] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2017] [Accepted: 08/21/2017] [Indexed: 01/10/2023]
Affiliation(s)
- S Zhang
- Key Laboratory of Clinical Diagnosis and Treatment Techniques for Animal Disease; College of Veterinary Medicine; Inner Mongolia Agricultural University; Hohhot China
| | - W Mao
- Key Laboratory of Clinical Diagnosis and Treatment Techniques for Animal Disease; College of Veterinary Medicine; Inner Mongolia Agricultural University; Hohhot China
| | - Q Li
- Key Laboratory of Clinical Diagnosis and Treatment Techniques for Animal Disease; College of Veterinary Medicine; Inner Mongolia Agricultural University; Hohhot China
| | - R Gao
- Key Laboratory of Clinical Diagnosis and Treatment Techniques for Animal Disease; College of Veterinary Medicine; Inner Mongolia Agricultural University; Hohhot China
| | - Y Zhang
- Key Laboratory of Clinical Diagnosis and Treatment Techniques for Animal Disease; College of Veterinary Medicine; Inner Mongolia Agricultural University; Hohhot China
| | - L Gao
- Key Laboratory of Clinical Diagnosis and Treatment Techniques for Animal Disease; College of Veterinary Medicine; Inner Mongolia Agricultural University; Hohhot China
| | - C Fu
- Key Laboratory of Clinical Diagnosis and Treatment Techniques for Animal Disease; College of Veterinary Medicine; Inner Mongolia Agricultural University; Hohhot China
| | - J Wu
- Key Laboratory of Clinical Diagnosis and Treatment Techniques for Animal Disease; College of Veterinary Medicine; Inner Mongolia Agricultural University; Hohhot China
| | - Y Deng
- Key Laboratory of Clinical Diagnosis and Treatment Techniques for Animal Disease; College of Veterinary Medicine; Inner Mongolia Agricultural University; Hohhot China
| | - Y Shen
- Key Laboratory of Clinical Diagnosis and Treatment Techniques for Animal Disease; College of Veterinary Medicine; Inner Mongolia Agricultural University; Hohhot China
| | - T Li
- Key Laboratory of Clinical Diagnosis and Treatment Techniques for Animal Disease; College of Veterinary Medicine; Inner Mongolia Agricultural University; Hohhot China
| | - B Liu
- Key Laboratory of Clinical Diagnosis and Treatment Techniques for Animal Disease; College of Veterinary Medicine; Inner Mongolia Agricultural University; Hohhot China
| | - J Cao
- Key Laboratory of Clinical Diagnosis and Treatment Techniques for Animal Disease; College of Veterinary Medicine; Inner Mongolia Agricultural University; Hohhot China
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234
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Bian X, Gao DL, Gao L. Tailoring optical pulling force on gain coated nanoparticles with nonlocal effective medium theory. Opt Express 2017; 25:24566-24578. [PMID: 29041401 DOI: 10.1364/oe.25.024566] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/25/2017] [Accepted: 09/08/2017] [Indexed: 06/07/2023]
Abstract
We study the optical scattering force on the coated nanoparticles with gain core and nonlocal plasmonic shell in the long-wavelength limit, and demonstrate negative optical force acting on the nanoparticles near the symmetric and/or antisymmetric surface plasmon resonances. To understand the optical force behavior, we propose nonlocal effective medium theory to derive the equivalent permittivity for the coated nanoparticles with nonlocality. We show that the imaginary part of the equivalent permittivity is negative near the surface resonant wavelength, resulting in the negative optical force. The introduction of nonlocality may shift the resonant wavelength of the optical force, and strengthen the negative optical force. Two examples of Fano-like resonant scattering in such coated nanoparticles are considered, and Fano resonance-induced negative optical force is found too. Our findings could have some potential applications in plasmonics, nano-optical manipulation, and optical selection.
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235
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Chen T, Zhao H, Gao L, Song L, Yang F, Du J. Hypotonicity promotes epithelial gap closure by lamellipodial protrusion. Prog Biophys Mol Biol 2017; 148:60-64. [PMID: 28962936 DOI: 10.1016/j.pbiomolbio.2017.09.021] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/31/2017] [Revised: 09/11/2017] [Accepted: 09/25/2017] [Indexed: 01/24/2023]
Abstract
The closure of gaps within epithelia is an essential part of many physiological and pathological processes, such as embryonic development, organ remodeling and wound healing. Emerging evidence proved that the physical microenvironment plays important roles in cell behaviors. However, the effect of osmolarity of extracellular medium on gap closure is least understood. Using a gap closure model of epithelial cells, we found that hypotonic condition significantly facilitated the process of gap closure. Moreover, instead of actomyosin ring, enhanced migration leading by lamellipodia primarily contributed to the rapid gap closure in hypotonic condition. These findings provide insights for understanding the physiology of epithelial gap closure.
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Affiliation(s)
- T Chen
- Institute of Biomechanics and Medical Engineering, Department of Engineering Mechanics, Tsinghua University, Beijing 100084, People's Republic of China; Department of Orthopaedics, Trauma and Hand Surgery, The First Affiliated Hospital of Guangxi Medical University, Guangxi 530027, People's Republic of China
| | - H Zhao
- Institute of Biomechanics and Medical Engineering, Department of Engineering Mechanics, Tsinghua University, Beijing 100084, People's Republic of China
| | - L Gao
- College of Life Science, Hebei Normal University, Heibei 050024, People's Republic of China
| | - L Song
- Institute of Biomechanics and Medical Engineering, Department of Engineering Mechanics, Tsinghua University, Beijing 100084, People's Republic of China; College of Life Science, Hebei Normal University, Heibei 050024, People's Republic of China
| | - F Yang
- Department of Orthopaedics, Trauma and Hand Surgery, The First Affiliated Hospital of Guangxi Medical University, Guangxi 530027, People's Republic of China
| | - J Du
- Institute of Biomechanics and Medical Engineering, Department of Engineering Mechanics, Tsinghua University, Beijing 100084, People's Republic of China; Key Laboratory for Biomechanics and Mechanobiology of Ministry of Education, School of Biological Science and Medical Engineering, Beihang University, Beijing 100191, People's Republic of China.
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Wang MR, Zhang X, Yang ZG, Li P, Gao L, Chen XH, Wang J, Xiong X, Wang SM, Geng JB, Hao KY, Xie F, Wang M, Zheng WK. [Association between ribavirin plasma concentration and sustained virologic response in treatment of patients with genotype 1b chronic hepatitis C with pegylated interferon-α-2b and ribavirin]. Zhonghua Gan Zang Bing Za Zhi 2017; 24:175-80. [PMID: 27095759 DOI: 10.3760/cma.j.issn.1007-3418.2016.03.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
OBJECTIVE To investigate the association between the dose and plasma concentration of ribavirin (RBV) and sustained virologic response (SVR) during the anti-hepatitis C virus (HCV) treatment with pegylated interferon-α-2b (PEG-IFN-α-2b) and RBV. METHODS A total of 40 patients with chronic hepatitis C (CHC) who were treated with PEG-IFN-α-2b and RBV as the antiviral treatment were enrolled, and according to the therapeutic effect (SVR was defined as HCV RNA maintained below the lower limit of detection at 24 weeks after drug discontinuation in patients who achieved virologic response at the end of treatment, and recurrence was defined as HCV RNA turning positive), these patients were divided into SVR group (20 patients aged 19-55 years, including 10 male patients) and recurrence group (20 patients aged 21-76 years, including 12 male patients). The HPLC-MS/MS was used to measure the RBV plasma concentration at weeks 4, 12, 24, and 48 of treatment. The t-test and receiver operating characteristic (ROC) curve were used for statistical analysis. RESULTS During the antiviral treatment, the dose of RBV showed a significant difference between the two groups (15.01 ± 1.21 mg/kg vs 10.28 ± 2.81 mg/kg,t= 6.908,P= 0.000). The area under the ROC curve reached 0.96 (95%CI0.00-1.00,P= 0.000), suggesting that the dose of RBV had a high value in predicting SVR. When the dose of RBV was higher than 13.05 mg/kg (sensitivity 100%; specificity 85%), the possibility of achieving SVR was also increased. The RBV plasma concentrations in the SVR group at weeks 4,12, 24, and 48 of treatment were 1 894.8 ± 740.7 ng/ml, 2 029.9 ± 547.7 ng/ml, 2 011.8 ± 354.2 ng/ml, and2 093.5 ± 540.3 ng/ml, respectively, and those in the recurrence group were 1 223.1 ± 722.7 ng/ml, 1 286.9±685.4 ng/ml, 1304.7 ± 692.0 ng/ml, and 1 221.3 ± 655.3 ng/ml, respectively. The RBV plasma concentration at each time point showed significant differences between the two groups (t= 2.903,P= 0.006;t= 3.787,P= 0.001;t= 4.068,P= 0.000;t= 4.593,P= 0.000). The results of ROC analysis showed that the areas under the ROC curve at weeks 4, 12, 24, and 48 of treatment were 0.76 (95%CI0.61-0.92,P= 0.005), 0.83 (95%CI0.68-0.97,P= 0.000), 0.83 (95%CI0.69-0.98,P= 0.000), and 0.86 (95%CI0.72-1.00,P= 0.000), respectively, suggesting that the RBV plasma concentration had a high value in predicting SVR. When the cut-off values of RBV plasma concentration at weeks 4, 12, 24, and 48 of treatment were higher than 1262.5 ng/ml (sensitivity 90%; specificity 60%), 1432 ng/ml (sensitivity 100%; specificity 65%), 1427 ng/ml (sensitivity 100%; specificity 65%), and 1610 ng/ml (sensitivity 95%; specificity 80%), respectively, there was a greater possibility of achieving SVR. CONCLUSION During the antiviral treatment with PEG-IFN-α-2b and RBV, the dose and plasma concentration of RBV have a high value in predicting the recurrence of CHC and the possibility of SVR.
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Affiliation(s)
- M R Wang
- Center for Liver Diseases, 81st Hospital of PLA, Nanjing 210002, China
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Han Y, Zhao BW, Li SY, Lyu JG, Shou JD, Xu HS, Lou HY, Xu LL, Gao L, Xu SX, Zhu J. [Diagnostic values of BRAF(V600E) mutation analysis and Bethesda system for reporting thyroid cytopathology in thyroid nodules with TIRADS 4 and 5]. Zhonghua Er Bi Yan Hou Tou Jing Wai Ke Za Zhi 2017; 52:686-691. [PMID: 28910894 DOI: 10.3760/cma.j.issn.1673-0860.2017.09.010] [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] [Key Words] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Objective: To evaluate the diagnostic efficacies of BRAF(V600E) testing and Bethesda system for reporting thyroid cytopathology (BSRTC) in thyroid nodules with thyroid imaging reporting and data system (TIRADS) category 4 and 5. Methods: A total of 187 thyroid nodules in 187 patients underwent the examinations of ultrasound-guided fine needle aspiration cytology (FNAC) and BRAF(V600E) mutation were analyzed retrospectively. Receive operating characteristic (ROC) curve was used to investigate the diagnostic values of both methods and the clinical application of BRAF(V600E) combined with BSRTC was evaluated. SPSS17.0 software was used to analyze the data. Results: Among 187 thyroid nodules, 123 were malignant nodules confirmed with histopathological examination and 64 benign nodules determined by FNAC, histopathological examination, or long-term follow-up. The sensitivity, specificity, positive predictive value (PPV) and negative predictive value (NPV) of BRAF(V600E) test were better than those of BSRTC [69.1%, 98.4%, 98.8%, 62.4%(χ(2)=77.3, P=0.000) vs 62.6%, 93.8%, 95.1%, 56.6%(χ(2)=54.4, P=0.000)]. While the sensitivity, specificity, PPV and NPV of the combined test of BRAF(V600E) and BSRTC for diagnosis of malignant thyroid nodules were 87.8%, 92.2%, 95.6%, 79.7%(χ(2)=112.6, P=0.000), respectively. The area under the ROC curve for the combined test was higher than that for each of tests (0.900 vs 0.858 or 0.838). Conclusions: The combined test of BRAF(V600E) mutation and BSRTC has a higher diagnostic efficacy for malignant thyroid nodules compared with BRAF(V600E) mutation or BSRTC alone.
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Affiliation(s)
- Y Han
- Department of Diagnostic Ultrasound, Sir Run Run Shaw Hospital of Zhejiang University College of Medicine & Sir Run Run Shaw Institute of Clinical Medicine of Zhejiang University, Hangzhou 310016, China
| | - B W Zhao
- Department of Diagnostic Ultrasound, Sir Run Run Shaw Hospital of Zhejiang University College of Medicine & Sir Run Run Shaw Institute of Clinical Medicine of Zhejiang University, Hangzhou 310016, China
| | - S Y Li
- Department of Diagnostic Ultrasound, Sir Run Run Shaw Hospital of Zhejiang University College of Medicine & Sir Run Run Shaw Institute of Clinical Medicine of Zhejiang University, Hangzhou 310016, China
| | - J G Lyu
- Department of Diagnostic Ultrasound, Sir Run Run Shaw Hospital of Zhejiang University College of Medicine & Sir Run Run Shaw Institute of Clinical Medicine of Zhejiang University, Hangzhou 310016, China
| | - J D Shou
- Department of Diagnostic Ultrasound, Sir Run Run Shaw Hospital of Zhejiang University College of Medicine & Sir Run Run Shaw Institute of Clinical Medicine of Zhejiang University, Hangzhou 310016, China
| | - H S Xu
- Department of Diagnostic Ultrasound, Sir Run Run Shaw Hospital of Zhejiang University College of Medicine & Sir Run Run Shaw Institute of Clinical Medicine of Zhejiang University, Hangzhou 310016, China
| | - H Y Lou
- Department of Diagnostic Ultrasound, Sir Run Run Shaw Hospital of Zhejiang University College of Medicine & Sir Run Run Shaw Institute of Clinical Medicine of Zhejiang University, Hangzhou 310016, China
| | - L L Xu
- Department of Diagnostic Ultrasound, Sir Run Run Shaw Hospital of Zhejiang University College of Medicine & Sir Run Run Shaw Institute of Clinical Medicine of Zhejiang University, Hangzhou 310016, China
| | - L Gao
- Department of Head and Neck Surgery, Sir Run Run Shaw Hospital of Zhejiang University College of Medicine & Sir Run Run Shaw Institute of Clinical Medicine of Zhejiang University, Hangzhou 310016, China
| | - S X Xu
- Department of Pathology, Sir Run Run Shaw Hospital of Zhejiang University College of Medicine & Sir Run Run Shaw Institute of Clinical Medicine of Zhejiang University, Hangzhou 310016, China
| | - J Zhu
- Department of Diagnostic Ultrasound, Sir Run Run Shaw Hospital of Zhejiang University College of Medicine & Sir Run Run Shaw Institute of Clinical Medicine of Zhejiang University, Hangzhou 310016, China
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238
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Richard MI, Fernández S, Hofmann JP, Gao L, Chahine GA, Leake SJ, Djazouli H, De Bortoli Y, Petit L, Boesecke P, Labat S, Hensen EJM, Thomas O, Schülli T. Reactor for nano-focused x-ray diffraction and imaging under catalytic in situ conditions. Rev Sci Instrum 2017; 88:093902. [PMID: 28964168 DOI: 10.1063/1.5000015] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
A reactor cell for in situ studies of individual catalyst nanoparticles or surfaces by nano-focused (coherent) x-ray diffraction has been developed. Catalytic reactions can be studied in flow mode in a pressure range of 10-2-103 mbar and temperatures up to 900 °C. This instrument bridges the pressure and materials gap at the same time within one experimental setup. It allows us to probe in situ the structure (e.g., shape, size, strain, faceting, composition, and defects) of individual nanoparticles using a nano-focused x-ray beam. Here, the setup was used to observe strain and facet evolution of individual model Pt catalysts during in situ experiments. It can be used for heating other (non-catalytically active) nanoparticles (e.g., nanowires) in inert or reactive gas atmospheres or vacuum as well.
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Affiliation(s)
- M-I Richard
- ID01/ESRF, 6 rue Jules Horowitz, BP220, F-38043 Grenoble Cedex, France
| | - S Fernández
- ID01/ESRF, 6 rue Jules Horowitz, BP220, F-38043 Grenoble Cedex, France
| | - J P Hofmann
- Laboratory of Inorganic Materials Chemistry, Department of Chemical Engineering and Chemistry, Eindhoven University of Technology, P.O. Box 513, 5600MB Eindhoven, The Netherlands
| | - L Gao
- Laboratory of Inorganic Materials Chemistry, Department of Chemical Engineering and Chemistry, Eindhoven University of Technology, P.O. Box 513, 5600MB Eindhoven, The Netherlands
| | - G A Chahine
- ID01/ESRF, 6 rue Jules Horowitz, BP220, F-38043 Grenoble Cedex, France
| | - S J Leake
- ID01/ESRF, 6 rue Jules Horowitz, BP220, F-38043 Grenoble Cedex, France
| | - H Djazouli
- ID01/ESRF, 6 rue Jules Horowitz, BP220, F-38043 Grenoble Cedex, France
| | - Y De Bortoli
- ID01/ESRF, 6 rue Jules Horowitz, BP220, F-38043 Grenoble Cedex, France
| | - L Petit
- ID01/ESRF, 6 rue Jules Horowitz, BP220, F-38043 Grenoble Cedex, France
| | - P Boesecke
- ID01/ESRF, 6 rue Jules Horowitz, BP220, F-38043 Grenoble Cedex, France
| | - S Labat
- Aix Marseille Université, CNRS, Université de Toulon, IM2NP UMR 7334, 13397 Marseille, France
| | - E J M Hensen
- Laboratory of Inorganic Materials Chemistry, Department of Chemical Engineering and Chemistry, Eindhoven University of Technology, P.O. Box 513, 5600MB Eindhoven, The Netherlands
| | - O Thomas
- Aix Marseille Université, CNRS, Université de Toulon, IM2NP UMR 7334, 13397 Marseille, France
| | - T Schülli
- ID01/ESRF, 6 rue Jules Horowitz, BP220, F-38043 Grenoble Cedex, France
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239
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Ajani J, Udrea A, Sarosiek T, Shenker M, Morgan C, Pikiel J, Wojcik E, Swinson D, Joseph M, Luft A, Salek T, Tournigand C, Ferry D, Zhang Y, Long A, Kuo WL, Gao L, Kauh J, Mansoor W. A dose-response study of ramucirumab treatment in patients with gastric cancer/gastroesophageal junction adenocarcinoma: Primary results of 4 dosing regimens in the phase 2 trial I4T-MC-JVDB. Ann Oncol 2017. [DOI: 10.1093/annonc/mdx369.082] [Citation(s) in RCA: 2] [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: 11/13/2022] Open
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240
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Gao L, Yin R, Wang H, Guo W, Song W, Nelson JS, Tan W, Wang G. Ultrastructural characterization of hyperactive endothelial cells, pericytes and fibroblasts in hypertrophic and nodular port-wine stain lesions. Br J Dermatol 2017; 177:e105-e108. [PMID: 28182251 DOI: 10.1111/bjd.15373] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- L Gao
- Department of Dermatology, Xijing Hospital, Fourth Military Medical University, Xi'an, 710032, China
| | - R Yin
- Department of Dermatology, Xijing Hospital, Fourth Military Medical University, Xi'an, 710032, China.,Department of Dermatology, the Second Hospital of Shanxi Medical University, Taiyuan, 030001, China
| | - H Wang
- Department of Dermatology, Xijing Hospital, Fourth Military Medical University, Xi'an, 710032, China
| | - W Guo
- Department of Dermatology, Xijing Hospital, Fourth Military Medical University, Xi'an, 710032, China
| | - W Song
- Department of Dermatology, Xijing Hospital, Fourth Military Medical University, Xi'an, 710032, China
| | - J S Nelson
- Department of Surgery, Beckman Laser Institute and Medical Clinic, University of California, Irvine, CA, 92617, U.S.A.,Department of Biomedical Engineering, University of California, Irvine, CA, 92617, U.S.A
| | - W Tan
- Department of Surgery, Beckman Laser Institute and Medical Clinic, University of California, Irvine, CA, 92617, U.S.A
| | - G Wang
- Department of Dermatology, Xijing Hospital, Fourth Military Medical University, Xi'an, 710032, China
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241
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Yuan K, Niu C, Xie Q, Jiang W, Gao L, Ma R, Huang Z. Apical stress distribution under vertical compaction of gutta-percha and occlusal loads in canals with varying apical sizes: a three-dimensional finite element analysis. Int Endod J 2017; 51:233-239. [PMID: 28746745 DOI: 10.1111/iej.12825] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [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: 01/03/2017] [Accepted: 07/23/2017] [Indexed: 11/29/2022]
Abstract
AIM To investigate and compare the effects of two apical canal instrumentation protocols on apical stress distribution at the root apex under vertical compaction of gutta-percha and occlusal loads using finite element analysis. METHODOLOGY Three finite element analysis models of a mandibular first premolar were reconstructed: an original canal model, a size 35, .04 taper apical canal enlargement model and a Lightspeed size 60 apical canal enlargement model. A 15 N compaction force was applied vertically to the gutta-percha 5 mm from the apex. A 175 N occlusal load in two directions (vertical and 45° to the longitudinal axis of the tooth) was simulated. Stresses in the apical 2 mm of the root were calculated and compared among the three models. RESULTS Under vertical compaction, stresses in the apical canal instrumented by Lightspeed size 60 (maximal 3.3 MPa) were higher than that of the size 35, .04 taper model (maximal 1.3 MPa). In the case of the two occlusal forces, the Lightspeed size 60 apical enlargement was associated with the greatest stress distribution in the apical region. The greatest stress and the most obvious stress difference between the models appeared at the tip of the root when occlusal and vertical compaction loads were applied. CONCLUSIONS Apical enlargement caused stress distribution changes in the apical region of roots. The larger apical size led to higher stress concentration at the root apex.
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Affiliation(s)
- K Yuan
- Shanghai Key Laboratory of Stomatology, Department of Endodontics, Ninth People's Hospital, School of Medicine, Shanghai JiaoTong University, Shanghai, China
| | - C Niu
- Shanghai Key Laboratory of Stomatology, Department of Endodontics, Ninth People's Hospital, School of Medicine, Shanghai JiaoTong University, Shanghai, China
| | - Q Xie
- Department of Endodontics, University of Illinois at Chicago, Chicago, IL, USA
| | - W Jiang
- Shanghai Key Laboratory of Stomatology, Department of Endodontics, Ninth People's Hospital, School of Medicine, Shanghai JiaoTong University, Shanghai, China
| | - L Gao
- Shanghai Key Laboratory of Stomatology, Department of Endodontics, Ninth People's Hospital, School of Medicine, Shanghai JiaoTong University, Shanghai, China
| | - R Ma
- Shanghai Key Laboratory of Stomatology, Department of Endodontics, Ninth People's Hospital, School of Medicine, Shanghai JiaoTong University, Shanghai, China
| | - Z Huang
- Shanghai Key Laboratory of Stomatology, Department of Endodontics, Ninth People's Hospital, School of Medicine, Shanghai JiaoTong University, Shanghai, China
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242
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Chen L, Gao L, Zhong R, Zhang L, Liu J, Tang X, Zhang H. 392 Effect of dietary fiber type with different viscosity and fermentability on the standardized ileal digestibility of amino acids and intestinal digestion of carbohydrate component in a corn–soybean meal diet fed to growing pigs. J Anim Sci 2017. [DOI: 10.2527/asasann.2017.392] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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243
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Zhong R, Chen L, Gao L, Zhang L, Zhang H. 705 Evaluation of the compositional and nutritional values of mCry1Ac corn and maroACC corn in growing pigs. J Anim Sci 2017. [DOI: 10.2527/asasann.2017.705] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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244
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Zheng Y, Gao L, Wang D, Zang D. Elevated levels of ferritin in the cerebrospinal fluid of amyotrophic lateral sclerosis patients. Acta Neurol Scand 2017; 136:145-150. [PMID: 27804118 DOI: 10.1111/ane.12708] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 10/11/2016] [Indexed: 12/12/2022]
Abstract
OBJECTIVES The aim of the study was to detect changes in the levels of ferritin heavy chain (FHC), ferritin light chain (FLC), and transferrin in the cerebrospinal fluid (CSF) and serum of amyotrophic lateral sclerosis (ALS) patients and to analyze the correlations between the levels of these proteins and various clinical parameters. METHODS Cerebrospinal fluid and serum samples were obtained from 54 ALS patients and 46 non-inflammatory neurological disease control (non-INDC) patients. CSF and serum FHC, FLC, and transferring levels were measured via the enzyme-linked immunosorbent method using a commercial ELISA kit, and the times from onset (durations), ALS functional rating scale-revised (ALSFRS-r) scores, and disease progression rates (DPRs) were analyzed by registered neurologists. Statistical analysis was performed via Prism software. RESULTS Compared with controls, ALS patients exhibited significantly increased FHC and FLC levels in CSF, which were positively correlated with DPR and negatively correlated with duration. Serum transferrin levels were significantly increased in ALS patients but were not correlated with disease progression. FHC and FLC in CSF rapidly increased as the disease worsened. CONCLUSIONS This study demonstrated that the clinical measurement of FHC and FLC in CSF may be beneficial for disease differentiation and evaluating progression in patients with ALS. Compared with levels in serum, the levels of FHC and FLC in CSF might be more reliable for diagnosing and assessing the progression of ALS.
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Affiliation(s)
- Y. Zheng
- Department of Neurology; Tianjin First Center Hospital; Tianjin Medical University; Tianjin China
| | - L. Gao
- Department of Neurology; Tianjin First Center Hospital; Tianjin Medical University; Tianjin China
| | - D. Wang
- Department of Neurology; Changchun Center Hospital; Changchun Jilin China
| | - D. Zang
- Department of Neurology; Tianjin First Center Hospital; Tianjin Medical University; Tianjin China
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245
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Froning KJ, Leaver-Fay A, Wu X, Phan S, Gao L, Huang F, Pustilnik A, Bacica M, Houlihan K, Chai Q, Fitchett JR, Hendle J, Kuhlman B, Demarest SJ. Computational design of a specific heavy chain/κ light chain interface for expressing fully IgG bispecific antibodies. Protein Sci 2017; 26:2021-2038. [PMID: 28726352 DOI: 10.1002/pro.3240] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [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: 05/15/2017] [Revised: 07/12/2017] [Accepted: 07/13/2017] [Indexed: 12/31/2022]
Abstract
The use of bispecific antibodies (BsAbs) to treat human diseases is on the rise. Increasingly complex and powerful therapeutic mechanisms made possible by BsAbs are spurring innovation of novel BsAb formats and methods for their production. The long-lived in vivo pharmacokinetics, optimal biophysical properties and potential effector functions of natural IgG monoclonal (and monospecific) antibodies has resulted in a push to generate fully IgG BsAb formats with the same quaternary structure as monoclonal IgGs. The production of fully IgG BsAbs is challenging because of the highly heterogeneous pairing of heavy chains (HCs) and light chains (LCs) when produced in mammalian cells with two IgG HCs and two LCs. A solution to the HC heterodimerization aspect of IgG BsAb production was first discovered two decades ago; however, addressing the LC mispairing issue has remained intractable until recently. Here, we use computational and rational engineering to develop novel designs to the HC/LC pairing issue, and particularly for κ LCs. Crystal structures of these designs highlight the interactions that provide HC/LC specificity. We produce and characterize multiple fully IgG BsAbs using these novel designs. We demonstrate the importance of specificity engineering in both the variable and constant domains to achieve robust HC/LC specificity within all the BsAbs. These solutions facilitate the production of fully IgG BsAbs for clinical use.
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Affiliation(s)
- K J Froning
- Eli Lilly Biotechnology Center, 10300 Campus Point Drive, San Diego, California, 92121
| | - A Leaver-Fay
- Department of Biochemistry and Biophysics, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina
| | - X Wu
- Eli Lilly Biotechnology Center, 10300 Campus Point Drive, San Diego, California, 92121
| | - S Phan
- Eli Lilly Biotechnology Center, 10300 Campus Point Drive, San Diego, California, 92121
| | - L Gao
- Eli Lilly Biotechnology Center, 10300 Campus Point Drive, San Diego, California, 92121
| | - F Huang
- Eli Lilly Biotechnology Center, 10300 Campus Point Drive, San Diego, California, 92121
| | - A Pustilnik
- Eli Lilly Biotechnology Center, 10300 Campus Point Drive, San Diego, California, 92121
| | - M Bacica
- Eli Lilly Biotechnology Center, 10300 Campus Point Drive, San Diego, California, 92121
| | - K Houlihan
- Department of Biochemistry and Biophysics, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina
| | - Q Chai
- Eli Lilly Biotechnology Center, 10300 Campus Point Drive, San Diego, California, 92121
| | - J R Fitchett
- Eli Lilly Biotechnology Center, 10300 Campus Point Drive, San Diego, California, 92121
| | - J Hendle
- Eli Lilly Biotechnology Center, 10300 Campus Point Drive, San Diego, California, 92121
| | - B Kuhlman
- Department of Biochemistry and Biophysics, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina.,Lineberger Comprehensive Cancer Center, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina
| | - S J Demarest
- Eli Lilly Biotechnology Center, 10300 Campus Point Drive, San Diego, California, 92121
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246
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Peng WF, Xu SS, Ren X, Lv FH, Xie XL, Zhao YX, Zhang M, Shen ZQ, Ren YL, Gao L, Shen M, Kantanen J, Li MH. A genome-wide association study reveals candidate genes for the supernumerary nipple phenotype in sheep (Ovis aries). Anim Genet 2017; 48:570-579. [PMID: 28703336 DOI: 10.1111/age.12575] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/13/2017] [Indexed: 01/20/2023]
Abstract
Genome-wide association studies (GWASs) have been widely applied in livestock to identify genes associated with traits of economic interest. Here, we conducted the first GWAS of the supernumerary nipple phenotype in Wadi sheep, a native Chinese sheep breed, based on Ovine Infinium HD SNP BeadChip genotypes in a total of 144 ewes (75 cases with four teats, including two normal and two supernumerary teats, and 69 control cases with two teats). We detected 63 significant SNPs at the chromosome-wise threshold. Additionally, one candidate region (chr1: 170.723-170.734 Mb) was identified by haplotype-based association tests, with one SNP (rs413490006) surrounding functional genes BBX and CD47 on chromosome 1 being commonly identified as significant by the two mentioned analyses. Moreover, Gene Ontology enrichment for the significant SNPs identified by the GWAS analysis was functionally clustered into the categories of receptor activity and synaptic membrane. In addition, pathway mapping revealed four promising pathways (Wnt, oxytocin, MAPK and axon guidance) involved in the development of the supernumerary nipple phenotype. Our results provide novel and important insights into the genetic mechanisms underlying the phenotype of supernumerary nipples in mammals, including humans. These findings may be useful for future breeding and genetics in sheep and other livestock.
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Affiliation(s)
- W-F Peng
- CAS Key Laboratory of Animal Ecology and Conservation Biology, Institute of Zoology, Chinese Academy of Sciences (CAS), Beijing, 100101, China.,University of Chinese Academy of Sciences (UCAS), Beijing, 100049, China
| | - S-S Xu
- CAS Key Laboratory of Animal Ecology and Conservation Biology, Institute of Zoology, Chinese Academy of Sciences (CAS), Beijing, 100101, China.,University of Chinese Academy of Sciences (UCAS), Beijing, 100049, China
| | - X Ren
- CAS Key Laboratory of Animal Ecology and Conservation Biology, Institute of Zoology, Chinese Academy of Sciences (CAS), Beijing, 100101, China.,Annoroad Gene Technology Co. Ltd, Beijing, 100176, China
| | - F-H Lv
- CAS Key Laboratory of Animal Ecology and Conservation Biology, Institute of Zoology, Chinese Academy of Sciences (CAS), Beijing, 100101, China
| | - X-L Xie
- CAS Key Laboratory of Animal Ecology and Conservation Biology, Institute of Zoology, Chinese Academy of Sciences (CAS), Beijing, 100101, China.,University of Chinese Academy of Sciences (UCAS), Beijing, 100049, China
| | - Y-X Zhao
- CAS Key Laboratory of Animal Ecology and Conservation Biology, Institute of Zoology, Chinese Academy of Sciences (CAS), Beijing, 100101, China.,University of Chinese Academy of Sciences (UCAS), Beijing, 100049, China
| | - M Zhang
- CAS Key Laboratory of Animal Ecology and Conservation Biology, Institute of Zoology, Chinese Academy of Sciences (CAS), Beijing, 100101, China.,School of Life Sciences, University of Science and Technology of China, Hefei, 230027, China
| | - Z-Q Shen
- Shandong Binzhou Academy of Animal Science and Veterinary Medicine, Binzhou, 256600, China
| | - Y-L Ren
- Shandong Binzhou Academy of Animal Science and Veterinary Medicine, Binzhou, 256600, China
| | - L Gao
- Institute of Animal Husbandry and Veterinary Medicine, Xinjiang Academy of Agricultural and Reclamation Sciences, Shihezi, 832000, China.,State Key Laboratory of Sheep Genetic Improvement and Healthy Breeding, Xinjiang Academy of Agricultural and Reclamation Sciences, Shihezi, 832000, China
| | - M Shen
- Institute of Animal Husbandry and Veterinary Medicine, Xinjiang Academy of Agricultural and Reclamation Sciences, Shihezi, 832000, China.,State Key Laboratory of Sheep Genetic Improvement and Healthy Breeding, Xinjiang Academy of Agricultural and Reclamation Sciences, Shihezi, 832000, China
| | - J Kantanen
- Green Technology, Natural Resources Institute Finland (Luke), Jokioinen, 31600, Finland.,Department of Environmental and Biological Sciences, University of Eastern Finland, Kuopio, 70211, Finland
| | - M-H Li
- CAS Key Laboratory of Animal Ecology and Conservation Biology, Institute of Zoology, Chinese Academy of Sciences (CAS), Beijing, 100101, China
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247
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Liu Y, Cheng Y, Xu Y, Wang Z, Du X, Li C, Peng J, Gao L, Liang X, Ma C. Increased expression of programmed cell death protein 1 on NK cells inhibits NK-cell-mediated anti-tumor function and indicates poor prognosis in digestive cancers. Oncogene 2017; 36:6143-6153. [PMID: 28692048 PMCID: PMC5671935 DOI: 10.1038/onc.2017.209] [Citation(s) in RCA: 242] [Impact Index Per Article: 34.6] [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: 03/12/2017] [Revised: 05/10/2017] [Accepted: 05/17/2017] [Indexed: 12/13/2022]
Abstract
Abnormal expression of activating/inhibitory receptors leads to natural killer (NK) cells dysfunction in tumor. Here we show that programmed cell death protein 1 (PD-1), a well-known immune checkpoint of T cells, is highly expressed on peripheral and tumor-infiltrating NK cells from patients with digestive cancers including esophageal, liver, colorectal, gastric and biliary cancer. The increased PD-1 expression on NK cells indicates poorer survival in esophageal and liver cancers. Blocking PD-1/PD-L1 signaling markedly enhances cytokines production and degranulation and suppresses apoptosis of NK cells in vitro. PD-1/PD-L1 exerts inhibitory effect through repressing the activation of PI3K/AKT signaling in NK cells. More importantly, a PD-1 blocking antibody was found to significantly suppress the growth of xenografts in nude mice, and this inhibition of tumor growth was completely abrogated by NK depletion. These findings strongly suggested that PD-1 is an inhibitory regulator of NK cells in digestive cancers. PD-1 blockade might be an efficient strategy in NK cell-based tumor immunotherapy.
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Affiliation(s)
- Y Liu
- Key Laboratory for Experimental Teratology of Ministry of Education and Department of Immunology, Shandong University School of Medicine, Jinan, Shandong, China.,Department of Radiation Oncology, Qilu Hospital of Shandong University, Jinan, Shandong, China
| | - Y Cheng
- Department of Radiation Oncology, Qilu Hospital of Shandong University, Jinan, Shandong, China
| | - Y Xu
- Key Laboratory for Experimental Teratology of Ministry of Education and Department of Immunology, Shandong University School of Medicine, Jinan, Shandong, China
| | - Z Wang
- Key Laboratory for Experimental Teratology of Ministry of Education and Department of Immunology, Shandong University School of Medicine, Jinan, Shandong, China
| | - X Du
- Key Laboratory for Experimental Teratology of Ministry of Education and Department of Immunology, Shandong University School of Medicine, Jinan, Shandong, China
| | - C Li
- Key Laboratory for Experimental Teratology of Ministry of Education and Department of Immunology, Shandong University School of Medicine, Jinan, Shandong, China
| | - J Peng
- Department of Hematology, Qilu Hospital of Shandong University, Jinan, Shandong, China
| | - L Gao
- Key Laboratory for Experimental Teratology of Ministry of Education and Department of Immunology, Shandong University School of Medicine, Jinan, Shandong, China
| | - X Liang
- Key Laboratory for Experimental Teratology of Ministry of Education and Department of Immunology, Shandong University School of Medicine, Jinan, Shandong, China
| | - C Ma
- Key Laboratory for Experimental Teratology of Ministry of Education and Department of Immunology, Shandong University School of Medicine, Jinan, Shandong, China
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248
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Xu SS, Ren X, Yang GL, Xie XL, Zhao YX, Zhang M, Shen ZQ, Ren YL, Gao L, Shen M, Kantanen J, Li MH. Genome-wide association analysis identifies the genetic basis of fat deposition in the tails of sheep (Ovis aries). Anim Genet 2017; 48:560-569. [PMID: 28677334 DOI: 10.1111/age.12572] [Citation(s) in RCA: 39] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 04/25/2017] [Indexed: 12/13/2022]
Abstract
Fat-tailed sheep (Ovis aries) can survive in harsh environments and satisfy human's intake of dietary fat. However, the animals require more feed, which increases the cost of farming. Thus, most farmers currently prefer thin-tailed, short-tailed or docked sheep. To date, the molecular mechanism of the formation of fat tails in sheep has not been completely elucidated. Here, we conducted a genome-wide association study using phenotypes and genotypes (the Ovine Infinium HD SNP BeadChip genotype data) of two breeds of contrasting tail types (78 Small-tailed and 78 Large-tailed Han sheep breeds) to identify functional genes and variants associated with fat deposition. We identified four significantly (rs416433540, rs409848439, rs408118325 and rs402128848) and three approximately associated autosomal SNPs (rs401248376, rs402445895 and rs416201901). Gene annotation indicated that the surrounding genes (CREB1, STEAP4, CTBP1 and RIP140, also known as NRIP1) function in lipid storage or fat cell regulation. Furthermore, through an X-chromosome-wide association analysis, we detected significantly associated SNPs in the OARX: 88-89 Mb region, which could be a strong candidate genomic region for fat deposition in tails of sheep. Our results represent a new genomic resource for sheep genetics and breeding. In addition, the findings provide novel insights into genetic mechanisms of fat deposition in the tail of sheep and other mammals.
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Affiliation(s)
- S-S Xu
- CAS Key Laboratory of Animal Ecology and Conservation Biology, Institute of Zoology, Chinese Academy of Sciences (CAS), Beijing, 100101, China.,University of Chinese Academy of Sciences (UCAS), Beijing, 100049, China
| | - X Ren
- CAS Key Laboratory of Animal Ecology and Conservation Biology, Institute of Zoology, Chinese Academy of Sciences (CAS), Beijing, 100101, China.,Annoroad Gene Technology Co. Ltd, Beijing, 100176, China
| | - G-L Yang
- CAS Key Laboratory of Animal Ecology and Conservation Biology, Institute of Zoology, Chinese Academy of Sciences (CAS), Beijing, 100101, China.,Department of Life Sciences, Shangqiu Normal University, Shangqiu, 476000, China
| | - X-L Xie
- CAS Key Laboratory of Animal Ecology and Conservation Biology, Institute of Zoology, Chinese Academy of Sciences (CAS), Beijing, 100101, China.,University of Chinese Academy of Sciences (UCAS), Beijing, 100049, China
| | - Y-X Zhao
- CAS Key Laboratory of Animal Ecology and Conservation Biology, Institute of Zoology, Chinese Academy of Sciences (CAS), Beijing, 100101, China.,University of Chinese Academy of Sciences (UCAS), Beijing, 100049, China
| | - M Zhang
- CAS Key Laboratory of Animal Ecology and Conservation Biology, Institute of Zoology, Chinese Academy of Sciences (CAS), Beijing, 100101, China.,School of Life Sciences, University of Science and Technology of China, Hefei, 230027, China
| | - Z-Q Shen
- Shandong Binzhou Academy of Animal Science and Veterinary Medicine, Binzhou, 256600, China
| | - Y-L Ren
- Shandong Binzhou Academy of Animal Science and Veterinary Medicine, Binzhou, 256600, China
| | - L Gao
- Institute of Animal Husbandry and Veterinary Medicine, Xinjiang Academy of Agricultural and Reclamation Sciences, Shihezi, 832000, China.,State Key Laboratory of Sheep Genetic Improvement and Healthy Breeding, Xinjiang Academy of Agricultural and Reclamation Sciences, Shihezi, 832000, China
| | - M Shen
- Institute of Animal Husbandry and Veterinary Medicine, Xinjiang Academy of Agricultural and Reclamation Sciences, Shihezi, 832000, China.,State Key Laboratory of Sheep Genetic Improvement and Healthy Breeding, Xinjiang Academy of Agricultural and Reclamation Sciences, Shihezi, 832000, China
| | - J Kantanen
- Green Technology, Natural Resources Institute Finland (Luke), Jokioinen, 31600, Finland.,Department of Environmental and Biological Sciences, University of Eastern Finland, Kuopio, 70211, Finland
| | - M-H Li
- CAS Key Laboratory of Animal Ecology and Conservation Biology, Institute of Zoology, Chinese Academy of Sciences (CAS), Beijing, 100101, China
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249
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Shao L, Wang M, Ge XH, Huang HD, Gao L, Qin JC. The use of susceptibility-weighted imaging to detect cerebral microbleeds after lacunar infarction. Eur Rev Med Pharmacol Sci 2017; 21:3105-3112. [PMID: 28742195] [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: 06/07/2023]
Abstract
OBJECTIVE To study the value of susceptibility-weighted imaging (SWI) technology to detect cerebral microbleeds (CMBs) in senile cerebral lacunar infarction patients; and to evaluate the complicated cerebral hemorrhage risk after patients with CMBs took aspirin, an antiplatelet medication or received anticoagulant therapy. PATIENTS AND METHODS MRI scanning, using GRE-T2*WI, SWI and FSE sequences (T1WI, T2WI, and T2FLAIR), was performed on the three groups: (1) a cerebral lacunar infarction group; (2) cerebral lacunar infarction with cerebral microbleeds (CMBs) group; and (3) a healthy elderly group. A total of 60 cases were in each group (180 total patients). In addition, the lacunar infarction group and lacunar infarction with CMBs groups were both treated with formal antiplatelet or anticoagulant therapy, according to medical guidelines. Patients were followed for 12 months, during which time their cerebral hemorrhages and post-event effects were observed. The relativity of CMBs, antiplatelet therapy, anticoagulant therapy and cerebral hemorrhage transformation was analyzed and defined. The two groups of research patients with lacunar infarctions were scanned with relevant sequences. RESULTS The SWI scanning sequence showed the highest positive rate of CMBs, followed by GRE-T2*WI and other conventional scanning sequences. T1WI, T2WI and T2FLAIR showed a relatively lower positive rate of CMBs. In the cerebral lacunar infarction group and healthy elderly group, 34 cases in the SWI sequence showed 84 positive sites; 18 cases in the GRE-T2*WI sequence showed 40 positive sites; 2 cases in the T1WI sequence showed 4 positive sites; and 6 cases in the T2WI sequence showed 11 positive sites. After a chi-squared test, the differences between the sequences were statistically significant (p < 0.05). In the lacunar infarction group, 26 cases (43.33%) exhibited microbleeding lesions, while the normal control group represented 8 cases (13.33%). The lacunar infarction group exhibited mild, moderate and severe cases, the three types of CMBs. The normal control group only showed mild hemorrhaging. The degree of lacunar infarction was significantly related to the severity of CMBs (p < 0.05). After patients with CMBs had received formal antiplatelet therapy and anticoagulation therapy, one case in the lacunar infarction with microbleeds group showed cerebral hemorrhaging, but this had no statistical significance (p > 0.05). CONCLUSIONS The SWI scanning sequence is more sensitive than the GRE-T2*WI sequence. The GRE-T2*WI sequence is more sensitive than the conventional FSE sequence. SWI is highly sensitive and specific to the diagnosis of CMBs. It is an accurate and effective method for the analysis and diagnosis of CMBs. If patients with CMBs caused by lacunar infarction are treated with antiplatelet and anticoagulant therapy, the risk of cerebral hemorrhagic transformation is relatively smaller within 12 months. However, this needs to be observed further to define possible long-term risks.
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Affiliation(s)
- L Shao
- Internal Medicine-Neurology, Xuzhou First Hospital, Xuzhou, Jiangsu, China.
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250
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Lin X, Lu JC, Shao Y, Zhang YY, Wu X, Pan JB, Gao L, Zhu SY, Qian K, Zhang YF, Bao DL, Li LF, Wang YQ, Liu ZL, Sun JT, Lei T, Liu C, Wang JO, Ibrahim K, Leonard DN, Zhou W, Guo HM, Wang YL, Du SX, Pantelides ST, Gao HJ. Intrinsically patterned two-dimensional materials for selective adsorption of molecules and nanoclusters. Nat Mater 2017; 16:717-721. [PMID: 28604716 DOI: 10.1038/nmat4915] [Citation(s) in RCA: 49] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/05/2017] [Accepted: 05/03/2017] [Indexed: 06/07/2023]
Abstract
Two-dimensional (2D) materials have been studied extensively as monolayers, vertical or lateral heterostructures. To achieve functionalization, monolayers are often patterned using soft lithography and selectively decorated with molecules. Here we demonstrate the growth of a family of 2D materials that are intrinsically patterned. We demonstrate that a monolayer of PtSe2 can be grown on a Pt substrate in the form of a triangular pattern of alternating 1T and 1H phases. Moreover, we show that, in a monolayer of CuSe grown on a Cu substrate, strain relaxation leads to periodic patterns of triangular nanopores with uniform size. Adsorption of different species at preferred pattern sites is also achieved, demonstrating that these materials can serve as templates for selective self-assembly of molecules or nanoclusters, as well as for the functionalization of the same substrate with two different species.
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Affiliation(s)
- X Lin
- Institute of Physics & University of Chinese Academy of Sciences, Chinese Academy of Sciences, Beijing 100190, China
| | - J C Lu
- Institute of Physics & University of Chinese Academy of Sciences, Chinese Academy of Sciences, Beijing 100190, China
| | - Y Shao
- Institute of Physics & University of Chinese Academy of Sciences, Chinese Academy of Sciences, Beijing 100190, China
| | - Y Y Zhang
- Institute of Physics & University of Chinese Academy of Sciences, Chinese Academy of Sciences, Beijing 100190, China
- Department of Physics and Astronomy and Department of Electrical Engineering and Computer Science, Vanderbilt University, Nashville, Tennessee 37235, USA
| | - X Wu
- Institute of Physics & University of Chinese Academy of Sciences, Chinese Academy of Sciences, Beijing 100190, China
| | - J B Pan
- Institute of Physics & University of Chinese Academy of Sciences, Chinese Academy of Sciences, Beijing 100190, China
| | - L Gao
- Institute of Physics & University of Chinese Academy of Sciences, Chinese Academy of Sciences, Beijing 100190, China
| | - S Y Zhu
- Institute of Physics & University of Chinese Academy of Sciences, Chinese Academy of Sciences, Beijing 100190, China
| | - K Qian
- Institute of Physics & University of Chinese Academy of Sciences, Chinese Academy of Sciences, Beijing 100190, China
| | - Y F Zhang
- Institute of Physics & University of Chinese Academy of Sciences, Chinese Academy of Sciences, Beijing 100190, China
| | - D L Bao
- Institute of Physics & University of Chinese Academy of Sciences, Chinese Academy of Sciences, Beijing 100190, China
| | - L F Li
- Institute of Physics & University of Chinese Academy of Sciences, Chinese Academy of Sciences, Beijing 100190, China
| | - Y Q Wang
- Institute of Physics & University of Chinese Academy of Sciences, Chinese Academy of Sciences, Beijing 100190, China
| | - Z L Liu
- Institute of Physics & University of Chinese Academy of Sciences, Chinese Academy of Sciences, Beijing 100190, China
| | - J T Sun
- Institute of Physics & University of Chinese Academy of Sciences, Chinese Academy of Sciences, Beijing 100190, China
| | - T Lei
- Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100049, China
| | - C Liu
- Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100049, China
| | - J O Wang
- Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100049, China
| | - K Ibrahim
- Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100049, China
| | - D N Leonard
- Material Sciences and Technology Division, Oak Ridge National Laboratory, Oak Ridge, Tennessee 37381, USA
| | - W Zhou
- Institute of Physics & University of Chinese Academy of Sciences, Chinese Academy of Sciences, Beijing 100190, China
- Material Sciences and Technology Division, Oak Ridge National Laboratory, Oak Ridge, Tennessee 37381, USA
| | - H M Guo
- Institute of Physics & University of Chinese Academy of Sciences, Chinese Academy of Sciences, Beijing 100190, China
| | - Y L Wang
- Institute of Physics & University of Chinese Academy of Sciences, Chinese Academy of Sciences, Beijing 100190, China
| | - S X Du
- Institute of Physics & University of Chinese Academy of Sciences, Chinese Academy of Sciences, Beijing 100190, China
| | - S T Pantelides
- Institute of Physics & University of Chinese Academy of Sciences, Chinese Academy of Sciences, Beijing 100190, China
- Department of Physics and Astronomy and Department of Electrical Engineering and Computer Science, Vanderbilt University, Nashville, Tennessee 37235, USA
| | - H-J Gao
- Institute of Physics & University of Chinese Academy of Sciences, Chinese Academy of Sciences, Beijing 100190, China
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