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Sanz X, Rodríguez N, Foro P, Reig A, Membrive I, Zhao M, Perez P, Montezuma L, Granado R, Algara M. EP-1300: Efectiveness of once-weekly hypofractionated irradiation in 486 elderly breast cancer patients. Radiother Oncol 2018. [DOI: 10.1016/s0167-8140(18)31610-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/14/2022]
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202
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Zhang S, Li DD, Zeng F, Zhu ZH, Song P, Zhao M, Duan JA. Efficient biosynthesis, analysis, solubility and anti-bacterial activities of succinylglycosylated naringenin. Nat Prod Res 2018; 33:1756-1760. [PMID: 29446976 DOI: 10.1080/14786419.2018.1431633] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [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: 10/18/2022]
Abstract
A novel water-soluble flavonoid with good anti-bacterial activities, naringenin-6″-succl-7-O-glucoside (7-SGN), was synthesised. It was biotransformed from naringenin by Bacillus amyloliquefaciens FJ18 in aqueous miscible organic media, and characterised by LC-MS and NMR analysis. The solubility of 7-SGN in water was approximately 102 times higher than that of naringenin. These results demonstrated that both the water solubility and the anti-bacterial activity of 7-SGN were significantly improved.
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Affiliation(s)
- S Zhang
- a Jiangsu Collaborative Innovation Center of Chinese Medicinal Resources Industrialization, National and Local Collaborative Engineering Center of Chinese Medicinal Resources and Industrialization and Formulae Innovative Medicine, Jiangsu Key Laboratory for High Technology Research of TCM Formulae, State Key Laboratory Cultivation Base for TCM Quality and Efficacy , Nanjing University of Chinese Medicine , Nanjing , PR China
| | - D D Li
- a Jiangsu Collaborative Innovation Center of Chinese Medicinal Resources Industrialization, National and Local Collaborative Engineering Center of Chinese Medicinal Resources and Industrialization and Formulae Innovative Medicine, Jiangsu Key Laboratory for High Technology Research of TCM Formulae, State Key Laboratory Cultivation Base for TCM Quality and Efficacy , Nanjing University of Chinese Medicine , Nanjing , PR China
| | - F Zeng
- a Jiangsu Collaborative Innovation Center of Chinese Medicinal Resources Industrialization, National and Local Collaborative Engineering Center of Chinese Medicinal Resources and Industrialization and Formulae Innovative Medicine, Jiangsu Key Laboratory for High Technology Research of TCM Formulae, State Key Laboratory Cultivation Base for TCM Quality and Efficacy , Nanjing University of Chinese Medicine , Nanjing , PR China
| | - Z H Zhu
- a Jiangsu Collaborative Innovation Center of Chinese Medicinal Resources Industrialization, National and Local Collaborative Engineering Center of Chinese Medicinal Resources and Industrialization and Formulae Innovative Medicine, Jiangsu Key Laboratory for High Technology Research of TCM Formulae, State Key Laboratory Cultivation Base for TCM Quality and Efficacy , Nanjing University of Chinese Medicine , Nanjing , PR China
| | - P Song
- b State Key Laboratory of Materials-Oriented Chemical Engineering, College of Biotechnology and Pharmaceutical Engineering , Nanjing University of Technology , Nanjing , PR China
| | - M Zhao
- a Jiangsu Collaborative Innovation Center of Chinese Medicinal Resources Industrialization, National and Local Collaborative Engineering Center of Chinese Medicinal Resources and Industrialization and Formulae Innovative Medicine, Jiangsu Key Laboratory for High Technology Research of TCM Formulae, State Key Laboratory Cultivation Base for TCM Quality and Efficacy , Nanjing University of Chinese Medicine , Nanjing , PR China
| | - J A Duan
- a Jiangsu Collaborative Innovation Center of Chinese Medicinal Resources Industrialization, National and Local Collaborative Engineering Center of Chinese Medicinal Resources and Industrialization and Formulae Innovative Medicine, Jiangsu Key Laboratory for High Technology Research of TCM Formulae, State Key Laboratory Cultivation Base for TCM Quality and Efficacy , Nanjing University of Chinese Medicine , Nanjing , PR China
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203
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Yang X, Zhao Q, Parris AB, Howard EW, Zhao M, Guo Z, Xing Y, Ma Z. Abstract P6-07-04: Rapamycin inhibits the stemness of mammary epithelial cells in the premalignant tissues of MMTV-ErbB2 transgenic mice. Cancer Res 2018. [DOI: 10.1158/1538-7445.sabcs17-p6-07-04] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Abstract
Rapamycin, a well-studied mTOR inhibitor, has been demonstrated to inhibit mammary carcinogenesis at multiple stages, including initiation, invasion, and metastasis, in preclinical animal models. Nevertheless, the cancer preventative potential and underlying mechanisms remain unclear, especially in individual breast cancer subtypes like ErbB2/Her2-positive breast cancers. ErbB2 amplification/overexpression is a particular clinical concern because it occurs in approximately one-third of human breast cancers and is associated with poor prognosis. Therefore, we used MMTV-ErbB2 transgenic mice as our model system to test the efficacy of rapamycin in the prevention of ErbB2-mediated mammary tumor development. Our initial data provided proof of concept regarding the anti-cancer effects of rapamycin in vivo. Indeed, rapamycin (1.5 mg/kg/day for 12 days) significantly reduced the volume and weight of syngeneic 78617 cell-derived mammary tumors in MMTV-ErbB2 mice, despite observed decreases in CD4+ and CD8+ immune cells. Since advanced mammary gland development can serve as an indicator of breast cancer risk, we investigated the effects of rapamycin on mammary gland development in MMTV-ErbB2 mice that were treated with low-dose rapamycin (1 mg/kg/day) between weeks 10 and 20 of age. As such, rapamycin significantly attenuated mammary morphogenesis at 20 weeks of age, as indicated by decreased branching density, ductal elongation, and proliferative index of the premalignant mammary glands. Flow cytometric analysis of isolated primary mammary epithelial cells (MECs) was performed using CD24 and CD49f markers to identify MEC populations. We found that rapamycin has a significant impact on MEC stemness based on changes in luminal (CD24highCD49flow), mammary stem cell (MaSC)-enriched (CD24highCD49fhigh), and myoepithelial/basal (CD24low/highCD49fhigh) MEC populations. We also used CD61 and CD49f markers to identify a population enriched with luminal progenitor cells (CD61highCD49fhigh) that was selectively inhibited by rapamycin. Consistent with our flow cytometric analyses, rapamycin inhibited the luminal progenitor cell-enriched population, self-renewal, and anchorage-independent cell growth of primary MECs, as demonstrated by colony-forming cell, mammosphere, and 3D culture assays, respectively. These functional stem cell assays further corroborate that rapamycin suppresses the stemness of primary MECs. Molecular analysis of MECs demonstrated that rapamycin inhibited mTOR signaling, as expected. Importantly, rapamycin also significantly suppressed the receptor tyrosine kinase/ErbB2, estrogen receptor, Wnt/β-catenin, and TGFβ/Smad3 signaling pathways prior to malignant transformation. Collectively, our study provides evidence that rapamycin has potential cancer preventative effects in the mammary glands of MMTV-ErbB2 mice during the premalignant risk window. These rapamycin-induced anti-cancer effects ultimately highlight the promising clinical significance of rapamycin for the prevention and treatment of human ErbB2-overexpressing breast cancers.
Citation Format: Yang X, Zhao Q, Parris AB, Howard EW, Zhao M, Guo Z, Xing Y, Ma Z. Rapamycin inhibits the stemness of mammary epithelial cells in the premalignant tissues of MMTV-ErbB2 transgenic mice [abstract]. In: Proceedings of the 2017 San Antonio Breast Cancer Symposium; 2017 Dec 5-9; San Antonio, TX. Philadelphia (PA): AACR; Cancer Res 2018;78(4 Suppl):Abstract nr P6-07-04.
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Affiliation(s)
- X Yang
- North Carolina Central University, Kannapolis, NC; Basic Medical College of Zhengzhou University, Zhengzhou, Henan, China
| | - Q Zhao
- North Carolina Central University, Kannapolis, NC; Basic Medical College of Zhengzhou University, Zhengzhou, Henan, China
| | - AB Parris
- North Carolina Central University, Kannapolis, NC; Basic Medical College of Zhengzhou University, Zhengzhou, Henan, China
| | - EW Howard
- North Carolina Central University, Kannapolis, NC; Basic Medical College of Zhengzhou University, Zhengzhou, Henan, China
| | - M Zhao
- North Carolina Central University, Kannapolis, NC; Basic Medical College of Zhengzhou University, Zhengzhou, Henan, China
| | - Z Guo
- North Carolina Central University, Kannapolis, NC; Basic Medical College of Zhengzhou University, Zhengzhou, Henan, China
| | - Y Xing
- North Carolina Central University, Kannapolis, NC; Basic Medical College of Zhengzhou University, Zhengzhou, Henan, China
| | - Z Ma
- North Carolina Central University, Kannapolis, NC; Basic Medical College of Zhengzhou University, Zhengzhou, Henan, China
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204
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Zhao M, Wang YB, Yan YJ, Wang W, Ru GQ, He XL. [Clinicopathologic features of atypical spindle cell lipomatous tumor]. Zhonghua Bing Li Xue Za Zhi 2018; 47:99-104. [PMID: 29429160 DOI: 10.3760/cma.j.issn.0529-5807.2018.02.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Objective: To investigate the clinicopathologic characteristics, immunophenotype, differential and diagnostic features of atypical spindle cell lipomatous tumor (ASLT). Methods: Three cases of ASLT were collected from January 2010 to March 2017 at Zhejiang Provincial People's Hospital. The clinical and imaging features, histomorphology, immunophenotype and prognosis were analyzed. Fluorescence in situ hybridization (FISH) was used to detect MDM2 gene amplification, and relevant literature was reviewed. Results: All three patients were adult males, aged 38, 43 and 54 years, respectively. One tumor originated in the subcutaneous soft tissue in the head and neck, one was located in the left primary bronchus and one in the latissimus dorsi muscle. Grossly, all three tumors were circumscribed and ranged from 4.0 to 5.8 cm in size. Microscopically, all showed a focally infiltrative front. These tumors were composed of variable proportions of spindle-shaped and adipocytic cells in a background of variable fibrous and edematous matrix. Scattered lipoblasts were easily seen. One tumor was composed predominately of spindle tumor cells, one of adipocytic cells, and one of equally mixed cell populations. The spindle tumor cells were generally bland-appearing with focal nuclear enlargement and hyperchromasia noted in one case. Mitosis was not seen in neither the spindle cells nor the adipocytic cells. By immunohistochemistry, diffuse and strong reactivity to CD34 of the spindle cells was noted in all cases, definite loss of Rb expression was noted in one of three cases, and S-100 protein was expressed only in the adipocytic cells. INI-1 was intact and Ki-67 index was 1% to 3%. All other markers including CDK4, MDM2, STAT6, SOX10, CD99, bcl-2, β-catenin, CD117, GFAP, CK, EMA, SMA and desmin were negative. FISH of MDM2 was done in two cases, and both showed no amplification. The ASLT in the head and neck had two recurrences during 17 months of follow-up, whereas the tumor in the latissimus dorsi was free of disease during 33 months of follow-up. Conclusions: ASLT is a rare subtype of low-grade adipocytic neoplasm and is distinctive from atypical lipomatous tumor/well-differentiated liposarcoma. The histomorpholgy of ASLT has significant heterogeneity and forms a continuous spectrum. ASLT needs to be distinguished from a series of benign and malignant soft tissue tumors.
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Affiliation(s)
- M Zhao
- Department of Pathology, Zhejiang Provincial People's Hospital, People's Hospital of Hangzhou Medical College, Hangzhou 310014, China
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205
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Li J, Wei S, Hu M, Luo Z, Zhao M, Wu H. Reflection of paleoclimate oscillations and tectonic events in the phylogeography of moustache toads in southern China. J Zool (1987) 2018. [DOI: 10.1111/jzo.12537] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
Affiliation(s)
- J. Li
- School of Life Sciences Institute of Evolution and Ecology Central China Normal University Wuhan China
| | - S. Wei
- School of Life Sciences Institute of Evolution and Ecology Central China Normal University Wuhan China
| | - M. Hu
- School of Life Sciences Institute of Evolution and Ecology Central China Normal University Wuhan China
| | - Z. Luo
- School of Life Sciences Institute of Evolution and Ecology Central China Normal University Wuhan China
| | - M. Zhao
- School of Life Sciences Institute of Evolution and Ecology Central China Normal University Wuhan China
| | - H. Wu
- School of Life Sciences Institute of Evolution and Ecology Central China Normal University Wuhan China
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206
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Zhao M, Weng L, Zhao DH, Ma J, Ru GQ, He XL, Wang Z, Wang J. [Clinicopathologic and molecular genetic characterizations of biphenotypic sinonasal sarcoma]. Zhonghua Bing Li Xue Za Zhi 2018; 46:841-846. [PMID: 29224278 DOI: 10.3760/cma.j.issn.0529-5807.2017.12.006] [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] [Key Words] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Objective: To investigate the clinicopathologic characteristics, immunophenotypes, molecular genetics, and diagnostic and differential diagnostic features of biphenotypic sinonasal sarcoma (BSNS). Methods: Three cases of BSNS were retrieved, the histomorphology, immunophenotype and molecular genetics were analyzed with review of literature. Results: There were 2 male and 1 female patient aged 45, 29 and 40 years, respectively.Computed tomography and magnetic resonance imaging examinations showed a large polypoid mass occupying the sinonasal cavity in all 3 patients. Microscopically, these tumors were un-circumscribed and composed of cellular spindle-shaped cells arranged in long and interlaced fascicles. A hemangiopericytoma-like growth pattern was frequently identified. The overlying hyperplastic respiratory epithelium invaginated down into the tumor forming a cystic (2 cases), glandular (1 case) structures and inverted in a papilloma-like (1 case)pattern, and foci of eosinophilic metaplasia were also noted in 2 of the three cases. The tumor nuclei were bland-appearing, mitoses were scarce and necrosis was absent. Immunohistochemically, the tumor cells showed co-expression of neural and myogenic markers in all the 3 cases, including that 3/3 showed diffuse and strong positivity of S-100 protein, 3/3 positivity of smooth muscle actin (1 diffuse and 2 focal), 1/2 diffuse positivity of calponin, 1/3 focal positivity of desmin, and 1/1 focal positivity of MyoD1.In addition, 1 detected for β-catenin showed focal nuclear positivity. None of the 3 showed positivity to cytokeratin, CD34 or SOX10 in the tumor cells.Ki-67 showed an index <5%, 10% and <2%, respectively. Fluorescence in situ hybridization analysis showed rearrangements of PAX3 gene in all 3 cases. In case 3, reverse transcription polymerase chain reaction, followed by Sanger sequencing, demonstrated an in-frame fusion between PAX3 and FOXO1.Follow-up information (range 3-15 months)showed no evidence of local recurrence or distant metastasis in three cases. Conclusions: BSNS is a newly described entity which can be readily confused with a variety of benign and malignant spindle cell tumors encountered in the sinonasal cavity; immunohistochemistry co-expression of neural and myogenic markers and PAX3 gene rearrangement can help distinguish this tumor from its many mimickers.
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Affiliation(s)
- M Zhao
- Department of Pathology, Zhejiang Provincial People's Hospital, Hangzhou 310014, China
| | - LaoI Weng
- Department of Pathology, Fudan University Shanghai Cancer Center, Shanghai 200032, China
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207
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Li QL, Li K, Wang XD, Zhao M. [Incidence and short-term outcomes of acute kidney injury in very elderly patients]. Zhonghua Yi Xue Za Zhi 2018; 98:96-101. [PMID: 29343032 DOI: 10.3760/cma.j.issn.0376-2491.2018.02.005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
Objectives: To study the incidence, clinical characteristics, and prognostic impact of acute kidney injury (AKI) in very elderly patients. Methods: The very elderly patients (≥75 years) from the Geriatric Department of the Chinese PLA General Hospital between January 2007 and December 2015 were retrospectively enrolled. AKI was defined according to the 2012 Kidney Disease Improving Global Outcomes (KDIGO) criteria. AKI patients were divided into survivor group and non-survivor group by their outcomes within 90 days after AKI. Prognostic survival factors were identified using the Cox proportional hazards regression model. Results: In total, 668 geriatric patients (39.0%) developed AKI, and 652 patients were included in the final analysis. The median age of the cohort was 87 (84-91) years, the majority (623 cases, 95.6%) of whom were male. Among these 652 patients, 308 (47.2%) had AKI stage 1, 164 (25.2%) had AKI stage 2, and 180 (27.6%) had AKI stage 3. Of the 652 AKI patients, the 90-day mortality was 33.6% (219/652). Multivariate analysis by the Cox model revealed that persistent AKI (HR=5.741, 95% CI: 3.356-9.822, P<0.001), more severe AKI stage (stage 2: HR=3.363, 95% CI: 1.973-5.732, P<0.001 and stage 3: HR=4.741, 95% CI: 2.807-8.008, P<0.001), high blood urea nitrogen (BUN) level (HR=1.025, 95% CI: 1.014-1.037, P<0.001), low body mass index (HR=0.939, 95% CI: 0.897-0.984, P=0.008), low mean arterial pressure (MAP) (HR=0.969, 95% CI: 0.959-0.979, P<0.001), low prealbumin level (HR=0.935, 95% CI: 0.911-0.959, P<0.001), infection (HR=1.410, 95% CI: 1.055-1.884, P=0.020), oliguria (HR=1.948, 95% CI: 1.266-2.998, P=0.002) were associated with 90-day mortality. Conclusions: The incidence of AKI increases significantly with advanced age. More frequent serum creatinine (SCr) measurements may be helpful for the early diagnosis of geriatric AKI. Identification of risk factors might promote more intensive monitoring and early prevention, and thus improve outcomes for very elderly patients with AKI.
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Affiliation(s)
- Q L Li
- Department of Health Care, South Building, Chinese PLA General Hospital, Beijing 100853, China
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208
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Zhao M, Yang ZR, Wang YB, Chen Y, Qi GW, Yan YJ, Xu WJ, Ru GQ, He XL. [Extrapleural solitary fibrous tumor with uncommon histology: a clinicopathologic analysis of 7 cases]. Zhonghua Bing Li Xue Za Zhi 2018; 47:51-56. [PMID: 29325251 DOI: 10.3760/cma.j.issn.0529-5807.2018.01.010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Objective: To investigate the clinicopathologic characteristics, immunophenotypes, and differential diagnostic features of extra-pleural solitary fibrous tumor (SFT) with uncommon histology. Methods: Seven cases of extra-pleural SFT with uncommon histology were collected during January 2015 and December 2016 in Zhejiang Provincal People's Hospital; the clinical and radiologic features, histomorphology, immunophenotype and prognosis were analyzed. EnVision method was used for immunohistochemical staining of STAT6, CD34 and other differential diagnosis associated markers. Results: There were five male and two female patients, age from 23 to 54 years (mean=39 years). Three tumors were located in the soft tissue of head and neck, two in trunk subcutaneous soft tissue, one in sella region, and one in the kidney. Grossly the tumors ranged from 0.4 to 8.0 cm (mean=3.1 cm). Microscopically, all three head and neck cases resembled giant cell angiofibroma/giant cell subtype SFT, and one case showed sheet-like pattern of the multinucleated syncytial cells, creating a biphasic arrangement similar to myofibroma. Both truncal tumor resembled lipomatous type SFT, with one similar to dermatofibrosarcoma protuberans and the other to atypical spindle cell lipomatous tumor. The sella tumor showed morphology of a conventional SFT with high grade sarcomatous transformation. The renal tumor demonstrated a malignant SFT with entrapped benign renal tubules, mimicking a biphase synovial sarcoma or a malignant mixed epithelial and stromal tumor. By immunohistochemistry, all seven SFTs showed diffuse and strong nuclear reactivity to antibody against STAT6. Conclusions: Extra-pleural SFTs show a significant heterogeneity of morphology and biological behavior which could cause differential confusion.Careful attention to its characteristic histomorphology with the use of STAT6 immunohistochemistry can help distinguish this tumor from its many mimickers.
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Affiliation(s)
- M Zhao
- Department of Pathology, Zhejiang Provincial People's Hospital, People's Hospital of Hangzhou Medical College, Hangzhou 310014, China
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209
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Zhao M, Zhang ZZ, Liu QB. [Role of long noncoding RNA in chronic hepatitis B infection]. Zhonghua Er Ke Za Zhi 2018; 56:67-69. [PMID: 29343005 DOI: 10.3760/cma.j.issn.0578-1310.2018.01.020] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
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210
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Zhao M, Ansari F, Takeuchi M, Shimizu M, Saito T, Berglund LA, Isogai A. Nematic structuring of transparent and multifunctional nanocellulose papers. Nanoscale Horiz 2018; 3:28-34. [PMID: 32254107 DOI: 10.1039/c7nh00104e] [Citation(s) in RCA: 37] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/28/2023]
Abstract
The nematic structuring of cellulose nanofibers (CNFs) is proposed as a nanostructural engineering tool for exploiting the potential of CNFs in conceptually new "transparent papers". The nematic-structured CNF papers exhibit superior mechanical properties, optical transparency, gas-barrier properties, heat transfer properties and electrical resistivity, compared with conventional randomly-structured CNF papers.
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Affiliation(s)
- M Zhao
- Department of Biomaterial Sciences, Graduate School of Agricultural and Life Sciences, The University of Tokyo, Tokyo 113-8657, Japan.
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211
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Gao T, Zhao M, Zhang L, Li J, Yu L, Lv P, Gao F, Zhou G. Effect of in ovo feeding of l-arginine on the hatchability, growth performance, gastrointestinal hormones, and jejunal digestive and absorptive capacity of posthatch broilers. J Anim Sci 2017; 95:3079-3092. [PMID: 28727112 DOI: 10.2527/jas.2016.0465] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022] Open
Abstract
This study was conducted to investigate the effects of in ovo feeding (IOF) of Arg solution on the hatchability, growth performance, gastrointestinal hormones, serum AA, activities of digestive enzymes, and mRNA expressions of sensing receptors and nutrient transporters in the jejunum of posthatch broilers. One thousand two hundred embryonated eggs with similar weight were randomly allocated to 5 groups consisting of 8 replicates of 40 eggs each. The 5 treatments were arranged as a noninjected control, a diluent-injected (0.75% NaCl solution) group, and Arg solution-injected groups with 0.5%, 1.0%, and 2.0% Arg, all dissolved in diluent. At 17.5 d of incubation, 0.6 mL of IOF solution was injected into the amniotic fluid of each egg of the injected groups. Results showed the hatchability of the 2% Arg group was lower (linear, = 0.025) than that of the other groups, and the BW of 21-d-old broilers increased (linear, = 0.008; quadratic, = 0.003) with increasing IOF concentration of Arg. The ADFI (linear, = 0.005; quadratic, = 0.001) and ADG (linear, = 0.010; quadratic, = 0.004) increased during d 1 to 21 with increasing IOF concentration of Arg. For 7- and 21-d-old broilers, the weights of digestive organs increased (linear, < 0.05) with increasing IOF concentrations of Arg; the greatest values were observed in the 1% Arg group. For 21-d-old broilers, IOF of the 1% Arg solution increased ( < 0.05) the concentrations of ghrelin and glucagon-like peptide 2; the activities of digestive enzymes, alkaline phosphatase, maltase, and sucrase in the jejunum; and the concentrations of serum AA of Val, Met, Ile, Leu, Arg, and Pro compared with those of the noninjected control and diluent-injected group. In ovo feeding of the 1% Arg solution also increased ( < 0.05) the mRNA expressions of jejunal sensing receptors of taste receptor type 1 members 1 and 3; the G protein-coupled receptor, class C, group 6, subtype A; nutrient transporters of solute carrier family 7, members 4, 6, and 7; sodium-glucose transporter 1; and fatty acid-binding protein 1. In conclusion, the 1% Arg solution was the appropriate injection level. In ovo feeding of the 1% Arg solution did not affect the hatchability but facilitated the release of gastrointestinal hormones, increasing the digestive and absorptive capacity and finally improving the growth performance of 21-d-old broilers. Therefore, IOF of the appropriate Arg solution could be an effective technology for regulating early nutrition supply and subsequent growth development in the poultry industry.
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212
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He XJ, Wu YY, Xia MR, Li ZQ, Zhao M, Dai QD, Zhang JP, Xia JH, Zhang JW. Risk factors associated with mortality from vascular thromboembolic events in patients diagnosed with non-small cell lung cancer: a population-based analysis. QJM 2017; 110:807-813. [PMID: 29025156 DOI: 10.1093/qjmed/hcx166] [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] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/20/2017] [Revised: 07/25/2017] [Indexed: 11/12/2022] Open
Abstract
BACKGROUND Lung cancer patients are at increased risk for vascular events possibly due to cancer induced hypercoagulation. AIM The purpose of this study was to evaluate risk factors associated with the mortality from vascular thromboembolic events in patients diagnosed with non-small cell lung cancer (NSCLC). DESIGN Retrospective population-based analysis. METHODS We used Surveillance, Epidemiology and End Results Program for 2004-13 and evaluated 199 337 patients with NSCLC. Univariate and multivariate subdistribution hazard regression models were used to identify potential risk factors for mortality from vascular thromboembolic events. Stratification analysis against clinical stage was performed to determine if the severity of the disease influenced the identified associations. RESULTS Multivariate Cox regression analysis demonstrated that increased risk of mortality due to vascular thromboembolic events was associated with age, black race, non-adenocarcinoma histology, surgical treatment alone (all, P < 0.001) and north central region of SEER registry (P = 0.003). Female gender (P < 0.001), Asian or Pacific Islander race (P = 0.001), multiple co-existing primary cancers and late cancer stages (both, P < 0.001) were associated with significantly lower risk of mortality due to vascular thromboembolic events. The significant predictors of mortality from the vascular thromboembolic event were dependent on the stages of the disease. CONCLUSIONS Risk factors associated with mortality from the vascular thromboembolic events in NSCLC patients identified in this study can promote awareness and may help to identify groups of patients that can benefit from anti-thrombotic prophylaxis measures.
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Affiliation(s)
- X-J He
- From the Department of Neurology, First People's Hospital of Shangqiu, Shangqiu 476100, Henan
| | - Y-Y Wu
- Department of Neurology, Henan Province People's Hospital, Zhengzhou 450003, China
| | - M-R Xia
- Department of Neurology, Henan Province People's Hospital, Zhengzhou 450003, China
| | - Z-Q Li
- From the Department of Neurology, First People's Hospital of Shangqiu, Shangqiu 476100, Henan
| | - M Zhao
- From the Department of Neurology, First People's Hospital of Shangqiu, Shangqiu 476100, Henan
| | - Q-D Dai
- From the Department of Neurology, First People's Hospital of Shangqiu, Shangqiu 476100, Henan
| | - J-P Zhang
- From the Department of Neurology, First People's Hospital of Shangqiu, Shangqiu 476100, Henan
| | - J-H Xia
- Department of Neurology, Central Hospital of Zhumadian, Zhumadian 463000, Henan
| | - J-W Zhang
- Department of Neurology, Henan Province People's Hospital, Zhengzhou 450003, China
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213
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Yuan XL, Xu ZP, Liu CR, Yan LP, Tao P, Xiong P, Li Q, Zhou M, Li H, Zhao M, Li JY. [Study of the association between polymorphism of persistent obesity, human leptin gene/leptin receptor gene and molecular subtypes of breast cancer]. Zhonghua Yu Fang Yi Xue Za Zhi 2017; 51:533-538. [PMID: 28592099 DOI: 10.3760/cma.j.issn.0253-9624.2017.06.015] [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] [Key Words] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Objectives: To explore the association between the polymorphism of persistent obesity and genetic variations in the LEP (human leptin gene, LEP) and LEPR (leptin receptor gene, LEPR) genes and different molecular subtypes of breast cancer. Methods: All 703 female patients of breast cancer diagnosed by histopathology in the Sichuan Cancer Hospital or the West China Hospital, excluding patients with metastatic breast cancer or mental disease, were selected as cases from April 2014 to May 2015. At the same time, 805 healthy women received physical examination in medical examination center of Sichuan People Hospital or Shuangliu maternal and child health care hospital, excluding those with therioma, breast disease, and mental disease, were enrolled in control group. A uniform questionnaire was used to collect general information including demographic characteristic, reproductive history height, weight, and so on. And the obesity status in recent 10 years was judged. Time of Flight Mass Spectrometer was used to determine the genotypes of LEP rs7799039, LEPR rs1137100 and LEPR rs1137101, while the multinomial logistic regression analysis was conducted to estimate the effect of risk factors related to breast cancer in different molecular subtypes; and then, the association between polymorphism of persistent obesity, the LEP, LEPR genes and breast cancer of different molecular subtypes was analyzed by binary logistic regression models. Results: The average age of controls was (48.98±8.83) years old, while the age of cases of TNBC, Luminal A, Luminal B, and HER-2+ were (51.43±11.33), (49.94±10.10), (49.73±9.38), (50.50±9.04) years old, respectively. The frequency of genotype LEP rs7799039, LEPR rs1137100 and LEPR rs1137101 in control group was separately 74.8%(1 157/1 546), 83.6%(1 339/1 602) and 88.4%(1 416/1 602); while 77.6% (1 074/1 384), 82.4% (1 155/1 402) and 87.9% (1 232/1 402) respectively in case group. Compared with non-persistent obesity subjects, the persistent obesity ones showed an increased risk in TNBC (OR=3.58, 95%CI: 1.90-6.72), Luminal A (OR=2.65, 95%CI: 1.35-5.21) and Luminal B (OR=1.90, 95%CI: 1.26-2.89) breast cancer. LEP rs7799039-AA was relevant with the upward risk of Luminal B independently (OR=1.30, 95%CI: 1.00-1.69). Besides, persistent obesity was found to have a combined effect on Luminal B (β=3.34, 95% CI: 1.00-11.12) with LEPR rs1137101-GG. Conclusion: Persistent obesity could increase the potential risk of TNBC, Luminal A and Luminal B breast cancer. Women who were suffered from persistent obesity with a genotype of LEPR rs1137101-GG were more susceptible to Luminal B breast cancer.
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Affiliation(s)
- X L Yuan
- West China School of Public Health, Sichuan University, Chengdu 610041, China
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214
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Zhao M, Yu LL, Tang QL, He XL. [Metastatic epithelioid hemangioendothelioma of peritoneum with florid mesothelial hyperplasia mimicking malignant mesothelioma: report of a case]. Zhonghua Bing Li Xue Za Zhi 2017; 46:793-794. [PMID: 29136695 DOI: 10.3760/cma.j.issn.0529-5807.2017.11.012] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
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215
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Yu LL, Zhao M, Chen WY, Yan YJ, He XL. [Cervical invasive stratified mucin-producing carcinoma: report of a case]. Zhonghua Bing Li Xue Za Zhi 2017; 46:795-796. [PMID: 29136696 DOI: 10.3760/cma.j.issn.0529-5807.2017.11.013] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
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216
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Li Y, Zhao M, Guo C, Chu H, Li W, Chen X, Wang X, Li Y, Jia Y, Koussatidjoa S, Zhu F, Wang J, Wang X, Wang Q, Zhao W, Shi Y, Chen W, Zhang L. Intracellular mature IL-37 suppresses tumor metastasis via inhibiting Rac1 activation. Oncogene 2017; 37:1095-1106. [PMID: 29106392 DOI: 10.1038/onc.2017.405] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2016] [Revised: 06/24/2017] [Accepted: 09/24/2017] [Indexed: 12/18/2022]
Abstract
IL-37, a newly found anti-inflammatory cytokine of the IL-1 family, has both extracellular and intracellular functions. Accumulating evidences indicate that it is also involved in tumor progression. However, the mechanism and its intracellular target are unclear. In this study, clinical data from 84 patients showed that loss or reduced expression of IL-37 in lung adenocarcinoma tissues was significantly associated with tumor metastasis. We further provided evidence that IL-37 inhibited effectively tumor metastasis in vitro and in vivo. Moreover, we uncovered a novel mechanism by which IL-37 suppressed tumor cell migration via its intracellular mature form (amino acids 46-218). Intracellular mature form of IL-37, but not its extracellular form, markedly inhibited migration of multiple kinds of tumor cells through inhibiting Rac1 activation. Mechanistically, intracellular mature IL-37 directly bound to the CAAX motif in the C-terminal hypervariable region of Rac1, and then inhibited Rac1 membrane translocation and subsequent downstream signaling. Our research identifies intracellular mature IL-37 as a novel endogenous inhibitor of Rac1. Given the crucial roles of Rac1 in tumor angiogenesis and metastasis, intracellular mature IL-37 might serve as a potential strategy for the control of Rac1 activity and tumor progression.
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Affiliation(s)
- Y Li
- Department of Immunology and Key Laboratory of Infection and Immunity of Shandong Province, Shandong University School of Basic Medical Sciences, Jinan, China
| | - M Zhao
- Department of Immunology and Key Laboratory of Infection and Immunity of Shandong Province, Shandong University School of Basic Medical Sciences, Jinan, China
| | - C Guo
- Department of Immunology and Key Laboratory of Infection and Immunity of Shandong Province, Shandong University School of Basic Medical Sciences, Jinan, China
| | - H Chu
- Department of Immunology and Key Laboratory of Infection and Immunity of Shandong Province, Shandong University School of Basic Medical Sciences, Jinan, China
| | - W Li
- Department of Immunology and Key Laboratory of Infection and Immunity of Shandong Province, Shandong University School of Basic Medical Sciences, Jinan, China
| | - X Chen
- Department of Immunology and Key Laboratory of Infection and Immunity of Shandong Province, Shandong University School of Basic Medical Sciences, Jinan, China
| | - X Wang
- Department of Immunology and Key Laboratory of Infection and Immunity of Shandong Province, Shandong University School of Basic Medical Sciences, Jinan, China
| | - Y Li
- Department of Immunology and Key Laboratory of Infection and Immunity of Shandong Province, Shandong University School of Basic Medical Sciences, Jinan, China
| | - Y Jia
- Department of Immunology and Key Laboratory of Infection and Immunity of Shandong Province, Shandong University School of Basic Medical Sciences, Jinan, China
| | - S Koussatidjoa
- Department of Immunology and Key Laboratory of Infection and Immunity of Shandong Province, Shandong University School of Basic Medical Sciences, Jinan, China
| | - F Zhu
- Department of Immunology and Key Laboratory of Infection and Immunity of Shandong Province, Shandong University School of Basic Medical Sciences, Jinan, China
| | - J Wang
- Department of Immunology and Key Laboratory of Infection and Immunity of Shandong Province, Shandong University School of Basic Medical Sciences, Jinan, China
| | - X Wang
- Department of Immunology and Key Laboratory of Infection and Immunity of Shandong Province, Shandong University School of Basic Medical Sciences, Jinan, China
| | - Q Wang
- Department of Immunology and Key Laboratory of Infection and Immunity of Shandong Province, Shandong University School of Basic Medical Sciences, Jinan, China
| | - W Zhao
- Department of Immunology and Key Laboratory of Infection and Immunity of Shandong Province, Shandong University School of Basic Medical Sciences, Jinan, China
| | - Y Shi
- Department of Immunology and Key Laboratory of Infection and Immunity of Shandong Province, Shandong University School of Basic Medical Sciences, Jinan, China
| | - W Chen
- Mucosal Immunology Section, National Institute of Dental and Craniofacial Research (NIDCR), National Institutes of Health (NIH), Bethesda, MD, USA
| | - L Zhang
- Department of Immunology and Key Laboratory of Infection and Immunity of Shandong Province, Shandong University School of Basic Medical Sciences, Jinan, China
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217
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Yi Y, Chen R, Dai P, Zhu C, Huan J, Liu T, Zhao M, Guan Y, Yang L, Xia X, Yi X. OA 18.01 Paired Tumor-Normal Next-Generation Sequencing (NGS) to Identify Pathogenic / Likely Pathogenic Germline Mutations in Lung Cancer Patients. J Thorac Oncol 2017. [DOI: 10.1016/j.jtho.2017.09.434] [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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218
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Zhao M, Yan YJ, Ru GQ, He XL. [Malignant giant cell tumor of tendon sheath in finger: report of a case]. Zhonghua Bing Li Xue Za Zhi 2017; 46:733-734. [PMID: 29050082 DOI: 10.3760/cma.j.issn.0529-5807.2017.10.018] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
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219
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Abstract
An ideal ceramic restorative material should possess excellent aesthetic and mechanical properties. We hypothesize that the high translucency and strength of polycrystalline ceramics can be achieved through microstructural tailoring. The aim of this study is to demonstrate the superior optical and mechanical properties of a new class of submicron grain-sized alumina ceramics relative to the current state-of-the-art dental ceramic materials. The translucency, the in-line transmission ( TIT) in particular, of these submicron alumina ceramics has been examined with the Rayleigh-Gans-Debye light-scattering model. The theoretical predictions related very well with the measured TIT values. The translucency parameter ( TP) and contrast ratio ( CR) of the newly developed aluminas were measured with a reflectance spectrophotometer on a black-and-white background. For comparison, the TIT, TP, and CR values for a variety of dental ceramics, mostly measured in-house but also cited from the literature, were included. The flexural strength of the aluminas was determined with the 4-point bending test. Our findings have shown that for polycrystalline alumina ceramics, an average grain size <1 µm coupled with a porosity level <0.7% could yield translucency values ( TIT, TP, CR) similar to those of the commercial high-translucency porcelains. These values are far superior to the high-translucency lithium disilicate glass-ceramic and zirconias, including the most translucent cubic-containing zirconias. The strength of these submicron grain-sized aluminas was significantly higher than that of the cubic-containing zirconia (e.g., Zpex Smile) and lithia-based glass-ceramics (e.g., IPS e.max CAD HT). A coarse-grained alumina could also reach a translucency level comparable to that of dental porcelain. However, the relatively low strength of this material has limited its clinical indications to structurally less demanding applications, such as orthodontic brackets. With a combined high strength and translucency, the newly developed submicron grain-sized alumina may be considered a suitable material for dental restorations.
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Affiliation(s)
- M Zhao
- 1 Department of Biomaterials and Biomimetics, New York University College of Dentistry, New York, NY, USA
| | - Y Sun
- 2 Key Laboratory of Transparent Opto-functional Inorganic Materials, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai, China
| | - J Zhang
- 2 Key Laboratory of Transparent Opto-functional Inorganic Materials, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai, China
| | - Y Zhang
- 1 Department of Biomaterials and Biomimetics, New York University College of Dentistry, New York, NY, USA
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220
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Ma D, Feng L, Jiachun F, Hou S, Zhao M, Zhu M, Cheng Y. Effects of intercellular communication on the survival of neurons in co-culture system after hypoxia preconditioning. J Neurol Sci 2017. [DOI: 10.1016/j.jns.2017.08.2498] [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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221
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Qiu B, Liang Y, Li Q, Liu G, Wang F, Chen Z, LIU M, Zhao M, Liu H. Local Therapy for Oligoprogressive Disease in Advanced Staged Non–small Cell Lung Cancer Patients Harboring Epidermal Growth Factor Receptor Mutation. Int J Radiat Oncol Biol Phys 2017. [DOI: 10.1016/j.ijrobp.2017.06.1739] [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: 11/28/2022]
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222
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Cai H, Zhang T, Zhao M, Mao J, Cai C, Feng F. Co-expression of lipase isozymes for enhanced expression in Pichia pastoris. Lett Appl Microbiol 2017; 65:335-342. [DOI: 10.1111/lam.12783] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2017] [Revised: 06/27/2017] [Accepted: 07/25/2017] [Indexed: 01/25/2023]
Affiliation(s)
- H. Cai
- Zhejiang Provincial Collaborative Innovation Center of Agricultural Biological Resources Biochemical Manufacturing; School of Biological and Chemical Engineering; Zhejiang University of Science & Technology; Hangzhou China
- College of Biosystems Engineering and Food Science; Zhejiang Key Laboratory for Agro-Food Processing; Zhejiang University; Hangzhou China
| | - T. Zhang
- Zhejiang Provincial Collaborative Innovation Center of Agricultural Biological Resources Biochemical Manufacturing; School of Biological and Chemical Engineering; Zhejiang University of Science & Technology; Hangzhou China
| | - M. Zhao
- College of Biosystems Engineering and Food Science; Zhejiang Key Laboratory for Agro-Food Processing; Zhejiang University; Hangzhou China
| | - J. Mao
- Zhejiang Provincial Collaborative Innovation Center of Agricultural Biological Resources Biochemical Manufacturing; School of Biological and Chemical Engineering; Zhejiang University of Science & Technology; Hangzhou China
| | - C. Cai
- Zhejiang Provincial Collaborative Innovation Center of Agricultural Biological Resources Biochemical Manufacturing; School of Biological and Chemical Engineering; Zhejiang University of Science & Technology; Hangzhou China
| | - F. Feng
- College of Biosystems Engineering and Food Science; Zhejiang Key Laboratory for Agro-Food Processing; Zhejiang University; Hangzhou China
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223
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Zhao M, Fu X. Dose distribution after tumor cavity injection in brain glioma patients. Ann Oncol 2017. [DOI: 10.1093/annonc/mdx366.031] [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: 11/12/2022] Open
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224
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Zhao M, Li H, Shi X, Chan Y, Luo X, Li T. Automated recognition of zygote cytoplasmic area (ZCA) in time-lapse imaging (TLI) based on deep convolutional neural network (CNN). Fertil Steril 2017. [DOI: 10.1016/j.fertnstert.2017.07.719] [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: 11/26/2022]
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225
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Chang YH, Yin F, Fan GF, Zhao M. Down-regulation of miR-329-3p is associated with worse prognosis in patients with cervical cancer. Eur Rev Med Pharmacol Sci 2017; 21:4045-4049. [PMID: 29028098] [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 miR-329-3p has been reported to serve as a tumor suppressor in the progression of cervical cancer (CC). The aim of this study was to investigate the clinical significance of miR-329-3p in human CC. PATIENTS AND METHODS Quantitative RT-PCR (qRT-PCR) was used to detect miR-329-3p expression in CC tissue samples and matched normal cervical tissues. The x2 test was used to analyze the association between miR-329-3p expression and clinical features of CC patients. Moreover, we evaluated the prognostic value of miR-329-3p by Kaplan-Meier survival curve and Cox regression model. RESULTS We found that the mean expression level of miR-329-3p in CC tissues was significantly lower than the mean level in the adjacent normal tissues samples (p < 0.01). MiR-329-3p level was significantly associated with lymph node metastasis (p = 0.013), FIGO stage (p = 0.024) and distant metastasis (p = 0.001). Furthermore, a significant difference was found, that CC patients with low miR-329-3p expression level had distinctly shorter overall survival than patients with high miR-329-3p expression level (p = 0.001). Finally, multivariate analyses indicated that miR-329-3p represented an independent predictor for overall survival of CC (p = 0.04). CONCLUSIONS These results indicated, for the first time, that down-regulation of miR-329-3p was associated with poor prognosis in CC patients. MiR-329-3p can be used as an independent factor to predict survival of patients with CC.
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Affiliation(s)
- Y-H Chang
- Department of Gynecology, Shandong Maternal and Child Health Care Hospital, Jinan, Shandong, China.
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226
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Zhao M, Li Y, Xu L, Hickey A, Groom K, Stone PR, Chamley LW, Chen Q. Melatonin prevents preeclamptic sera and antiphospholipid antibodies inducing the production of reactive nitrogen species and extrusion of toxic trophoblastic debris from first trimester placentae. Placenta 2017; 58:17-24. [PMID: 28962691 DOI: 10.1016/j.placenta.2017.08.001] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/24/2017] [Revised: 07/11/2017] [Accepted: 08/01/2017] [Indexed: 12/11/2022]
Abstract
BACKGROUND The exact cause of preeclampsia is unknown. However a "toxin" from the placenta triggers the condition via activation of the maternal endothelium. Extracellular vesicles (EVs) from the syncytiotrophoblast, may be an endothelial-activating toxin. Antiphospholipid antibodies (aPL) and preeclamptic sera both induce the production of endothelial cell-activating EVs by mechanisms which may produce excess free-radicals in the placenta. Melatonin is produced by the human placenta and has both direct and indirect anti-free-radical properties and may therefore counter the effects of aPL and preeclamptic sera. METHODS First trimester placental explants were exposed to preeclamptic sera or aPL in the presence or absence of melatonin. Nitrosylative damage was assessed in the explants by immunohistochemistry and the effect of EVs from these explants on endothelial cell activation determined by ICAM-1. Release of nitrosylated proteins from the explants was also measured. RESULTS Placental explants showed reduced secretion of melatonin after treatment with preeclamptic sera. Nitrosylated proteins were more abundant in placentae that had been treated with aPL or preeclamptic sera and EVs from such placentae induced endothelial cell activation. Adding melatonin to the aPL or preeclamptic sera reversed the protein nitrosylation and production of endothelial-activating EVs. DISCUSSION Our data are consistent with reports that the levels of circulating melatonin are reduced in preeclampsia and suggest that aPL and factors in preeclamptic sera induce free-radical-mediated damage in the placenta leading to the production of endothelial-activating EVs. Melatonin reversing production of endothelial-activating EVs indicates that melatonin may have therapeutic benefits in women with preeclampsia and/or aPL.
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Affiliation(s)
- Mingzhi Zhao
- The Hospital of Obstetrics & Gynaecology, Fudan University, Shanghai, China; Department of Obstetrics & Gynaecology, The University of Auckland, New Zealand
| | - Yanyun Li
- The Hospital of Obstetrics & Gynaecology, Fudan University, Shanghai, China; Department of Obstetrics & Gynaecology, The University of Auckland, New Zealand
| | - Lance Xu
- Department of Obstetrics & Gynaecology, The University of Auckland, New Zealand
| | - Anthony Hickey
- School of Biological Science, The University of Auckland, New Zealand
| | - Katie Groom
- Department of Obstetrics & Gynaecology, The University of Auckland, New Zealand
| | - Peter R Stone
- Department of Obstetrics & Gynaecology, The University of Auckland, New Zealand
| | - Lawrence W Chamley
- Department of Obstetrics & Gynaecology, The University of Auckland, New Zealand
| | - Qi Chen
- The Hospital of Obstetrics & Gynaecology, Fudan University, Shanghai, China; Department of Obstetrics & Gynaecology, The University of Auckland, New Zealand.
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228
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Stevens L, Adua S, Arnal-Estapé A, Zhao M, Barlaskar F, Herbst R, Nguyen D. Co-Option of the Extracellular Matrix During Lung Cancer Metastasis and Therapeutic Repsonse. J Thorac Oncol 2017. [DOI: 10.1016/j.jtho.2017.06.049] [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: 11/29/2022]
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229
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Adua S, Zhao M, Parent M, Hyder F, Nguyen D. Mechanisms of Heterogeneous Targeted Therapy Response in Brain Metastasis. J Thorac Oncol 2017. [DOI: 10.1016/j.jtho.2017.06.065] [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: 11/30/2022]
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230
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Bose U, Wang T, Zhao M, Motti CA, Hall MR, Cummins SF. Multiomics analysis of the giant triton snail salivary gland, a crown-of-thorns starfish predator. Sci Rep 2017; 7:6000. [PMID: 28729681 PMCID: PMC5519703 DOI: 10.1038/s41598-017-05974-x] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2017] [Accepted: 06/02/2017] [Indexed: 01/13/2023] Open
Abstract
The giant triton snail (Charonia tritonis) is one of the few natural predators of the adult Crown-of-Thorns starfish (COTS), a corallivore that has been damaging to many reefs in the Indo-Pacific. Charonia species have large salivary glands (SGs) that are suspected to produce either a venom and/or sulphuric acid which can immobilize their prey and neutralize the intrinsic toxic properties of COTS. To date, there is little information on the types of toxins produced by tritons. In this paper, the predatory behaviour of the C. tritonis is described. Then, the C. tritonis SG, which itself is made up of an anterior lobe (AL) and posterior lobe (PL), was analyzed using an integrated transcriptomics and proteomics approach, to identify putative toxin- and feeding-related proteins. A de novo transcriptome database and in silico protein analysis predicts that ~3800 proteins have features consistent with being secreted. A gland-specific proteomics analysis confirmed the presence of numerous SG-AL and SG-PL proteins, including those with similarity to cysteine-rich venom proteins. Sulfuric acid biosynthesis enzymes were identified, specific to the SG-PL. Our analysis of the C. tritonis SG (AL and PL) has provided a deeper insight into the biomolecular toolkit used for predation and feeding by C. tritonis.
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Affiliation(s)
- U Bose
- Faculty of Science, Health, Education and Engineering, Genecology Research Center, University of the Sunshine Coast, Maroochydore DC, Queensland, 4558, Australia
- Australian Institute of Marine Science, Townsville, Queensland, 4810, Australia
| | - T Wang
- Faculty of Science, Health, Education and Engineering, Genecology Research Center, University of the Sunshine Coast, Maroochydore DC, Queensland, 4558, Australia
| | - M Zhao
- Faculty of Science, Health, Education and Engineering, Genecology Research Center, University of the Sunshine Coast, Maroochydore DC, Queensland, 4558, Australia
| | - C A Motti
- Australian Institute of Marine Science, Townsville, Queensland, 4810, Australia
| | - M R Hall
- Australian Institute of Marine Science, Townsville, Queensland, 4810, Australia
| | - S F Cummins
- Faculty of Science, Health, Education and Engineering, Genecology Research Center, University of the Sunshine Coast, Maroochydore DC, Queensland, 4558, Australia.
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231
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Liu JP, Kirchhoff J, Zhou L, Zhao M, Grapes MD, Dale DS, Tate MD, Philipp HT, Gruner SM, Weihs TP, Hufnagel TC. X-ray reflectivity measurement of interdiffusion in metallic multilayers during rapid heating. J Synchrotron Radiat 2017; 24:796-801. [PMID: 28664887 PMCID: PMC5493026 DOI: 10.1107/s1600577517008013] [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] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/16/2016] [Accepted: 05/30/2017] [Indexed: 06/07/2023]
Abstract
A technique for measuring interdiffusion in multilayer materials during rapid heating using X-ray reflectivity is described. In this technique the sample is bent to achieve a range of incident angles simultaneously, and the scattered intensity is recorded on a fast high-dynamic-range mixed-mode pixel array detector. Heating of the multilayer is achieved by electrical resistive heating of the silicon substrate, monitored by an infrared pyrometer. As an example, reflectivity data from Al/Ni heated at rates up to 200 K s-1 are presented. At short times the interdiffusion coefficient can be determined from the rate of decay of the reflectivity peaks, and it is shown that the activation energy for interdiffusion is consistent with a grain boundary diffusion mechanism. At longer times the simple analysis no longer applies because the evolution of the reflectivity pattern is complicated by other processes, such as nucleation and growth of intermetallic phases.
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Affiliation(s)
- J. P. Liu
- Department of Materials Science and Engineering, Johns Hopkins University, Baltimore, MD 21218, USA
- School of Materials Science and Engineering, Beijing Institute of Technology, Beijing 100081, People’s Republic of China
| | - J. Kirchhoff
- Department of Materials Science and Engineering, Johns Hopkins University, Baltimore, MD 21218, USA
| | - L. Zhou
- Department of Materials Science and Engineering, Johns Hopkins University, Baltimore, MD 21218, USA
| | - M. Zhao
- Department of Materials Science and Engineering, Johns Hopkins University, Baltimore, MD 21218, USA
| | - M. D. Grapes
- Department of Materials Science and Engineering, Johns Hopkins University, Baltimore, MD 21218, USA
| | - D. S. Dale
- Cornell High Energy Synchrotron Source (CHESS), Cornell University, Ithaca, NY 14853, USA
| | - M. D. Tate
- Department of Physics, Cornell University, Ithaca, NY 14853, USA
| | - H. T. Philipp
- Department of Physics, Cornell University, Ithaca, NY 14853, USA
| | - S. M. Gruner
- Cornell High Energy Synchrotron Source (CHESS), Cornell University, Ithaca, NY 14853, USA
- Department of Physics, Cornell University, Ithaca, NY 14853, USA
- Kavli Institute at Cornell for Nanoscale Science, Cornell University, Ithaca, NY 14853, USA
| | - T. P. Weihs
- Department of Materials Science and Engineering, Johns Hopkins University, Baltimore, MD 21218, USA
| | - T. C. Hufnagel
- Department of Materials Science and Engineering, Johns Hopkins University, Baltimore, MD 21218, USA
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Zhao M, Chen M, Tan ASC, Cheah FSH, Mathew J, Wong PC, Chong SS. Single-tube tetradecaplex panel of highly polymorphic microsatellite markers < 1 Mb from F8 for simplified preimplantation genetic diagnosis of hemophilia A. J Thromb Haemost 2017; 15:1473-1483. [PMID: 28345288 DOI: 10.1111/jth.13685] [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] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2016] [Indexed: 11/30/2022]
Abstract
Essentials Preimplantation genetic diagnosis (PGD) of severe hemophilia A relies on linkage analysis. Simultaneous multi-marker screening can simplify selection of informative markers in a couple. We developed a single-tube tetradecaplex panel of polymorphic markers for hemophilia A PGD use. Informative markers can be used for linkage analysis alone or combined with mutation detection. SUMMARY Background It is currently not possible to perform single-cell preimplantation genetic diagnosis (PGD) to directly detect the common inversion mutations of the factor VIII (F8) gene responsible for severe hemophilia A (HEMA). As such, PGD for such inversion carriers relies on indirect analysis of linked polymorphic markers. Objectives To simplify linkage-based PGD of HEMA, we aimed to develop a panel of highly polymorphic microsatellite markers located near the F8 gene that could be simultaneously genotyped in a multiplex-PCR reaction. Methods We assessed the polymorphism of various microsatellite markers located ≤ 1 Mb from F8 in 177 female subjects. Highly polymorphic markers were selected for co-amplification with the AMELX/Y indel dimorphism in a single-tube reaction. Results Thirteen microsatellite markers located within 0.6 Mb of F8 were successfully co-amplified with AMELX/Y in a single-tube reaction. Observed heterozygosities of component markers ranged from 0.43 to 0.84, and ∼70-80% of individuals were heterozygous for ≥ 5 markers. The tetradecaplex panel successfully identified fully informative markers in a couple interested in PGD for HEMA because of an intragenic F8 point mutation, with haplotype phasing established through a carrier daughter. In-vitro fertilization (IVF)-PGD involved single-tube co-amplification of fully informative markers with AMELX/Y and the mutation-containing F8 amplicon, followed by microsatellite analysis and amplicon mutation-site minisequencing analysis. Conclusions The single-tube multiplex-PCR format of this highly polymorphic microsatellite marker panel simplifies identification and selection of informative markers for linkage-based PGD of HEMA. Informative markers can also be easily co-amplified with mutation-containing F8 amplicons for combined mutation detection and linkage analysis.
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Affiliation(s)
- M Zhao
- Department of Pediatrics, Yong Loo Lin School of Medicine, National University of Singapore, Singapore City, Singapore
| | - M Chen
- Department of Pediatrics, Yong Loo Lin School of Medicine, National University of Singapore, Singapore City, Singapore
| | - A S C Tan
- Department of Pediatrics, Yong Loo Lin School of Medicine, National University of Singapore, Singapore City, Singapore
- Preimplantation Genetic Diagnosis Center, Khoo Teck Puat - National University Children's Medical Institute, National University Health System, Singapore City, Singapore
| | - F S H Cheah
- Preimplantation Genetic Diagnosis Center, Khoo Teck Puat - National University Children's Medical Institute, National University Health System, Singapore City, Singapore
| | - J Mathew
- Department of Obstetrics and Gynecology, Clinic for Human Reproduction, National University Health System, Singapore City, Singapore
| | - P C Wong
- Department of Obstetrics and Gynecology, Yong Loo Lin School of Medicine, National University of Singapore, Singapore City, Singapore
- Department of Obstetrics and Gynecology, Clinic for Human Reproduction, National University Health System, Singapore City, Singapore
| | - S S Chong
- Department of Pediatrics, Yong Loo Lin School of Medicine, National University of Singapore, Singapore City, Singapore
- Preimplantation Genetic Diagnosis Center, Khoo Teck Puat - National University Children's Medical Institute, National University Health System, Singapore City, Singapore
- Department of Laboratory Medicine, National University Health System, Singapore City, Singapore
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Huang X, Yang J, Qin X, Zhao M, Wang H, He M, Tang G, Wang X. THE INTERACTION OF THE MTHFR GENE AND FOLIC ACID ON HOMOCYSTEINE AMONG HYPERTENSIVE ADULTS. Innov Aging 2017. [DOI: 10.1093/geroni/igx004.2652] [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: 11/12/2022] Open
Affiliation(s)
- X. Huang
- Department of Cardiology, Second Affiliated Hospital, Nanchang University, Nanchang, China
| | - J. Yang
- National Clinical Research Study Center for Kidney Disease, Guangzhou, China,
- State Key Laboratory for Organ Failure Research, Guangzhou, China,
- Renal Division, Nanfang Hospital, Southern Medical University, Guangzhou, China,
| | - X. Qin
- National Clinical Research Study Center for Kidney Disease, Guangzhou, China,
- State Key Laboratory for Organ Failure Research, Guangzhou, China,
- Renal Division, Nanfang Hospital, Southern Medical University, Guangzhou, China,
| | - M. Zhao
- National Clinical Research Study Center for Kidney Disease, Guangzhou, China,
- State Key Laboratory for Organ Failure Research, Guangzhou, China,
- Department of Neurology, Guangdong Provincial Hospital of Chinese Medicine, Guangzhou, China,
| | - H. Wang
- Centers for Metabolic Disease Research, Temple University School of Medicine, Philadelphia, Pennsylvania,
| | - M. He
- Department of Neurology, First People’s Hospital of Lianyungang, Lianyungang, China,
| | - G. Tang
- Institute of Biomedicine, Anhui Medical University, Hefei, China,
| | - X. Wang
- Johns Hopkins University, Baltimore, Maryland,
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Zhao M, Qin X, Wang B, Li J, He M, Tang G, Li X, Yin D. EFFICACY OF FOLIC ACID SUPPLEMENTATION ON REDUCING THE RISK OF STROKE AMONG HYPERTENSIVE PATIENTS. Innov Aging 2017. [DOI: 10.1093/geroni/igx004.2649] [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: 11/12/2022] Open
Affiliation(s)
- M. Zhao
- Department of Neurology, Guangdong Provincial Hospital of Chinese Medicine, Guangzhou, China,
- National Clinical Research Study Center for Kidney Disease, Guangzhou, China,
- State Key Laboratory for Organ Failure Research, Guangzhou, China,
| | - X. Qin
- National Clinical Research Study Center for Kidney Disease, Guangzhou, China,
- State Key Laboratory for Organ Failure Research, Guangzhou, China,
- Renal Division, Nanfang Hospital, Southern Medical University, Guangzhou, China,
| | - B. Wang
- National Clinical Research Study Center for Kidney Disease, Guangzhou, China,
- State Key Laboratory for Organ Failure Research, Guangzhou, China,
- Renal Division, Nanfang Hospital, Southern Medical University, Guangzhou, China,
| | - J. Li
- Department of Cardiology, Peking University First Hospital, Beijing, China,
| | - M. He
- Renal Division, Nanfang Hospital, Southern Medical University, Guangzhou, China,
| | - G. Tang
- Institute for Biomedicine, Anhui Medical University, Hefei, China
| | - X. Li
- State Key Laboratory for Organ Failure Research, Guangzhou, China,
| | - D. Yin
- Department of Cardiology, First People’s Hospital of Lianyungang, Lianyungang, China,
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Qian T, Zhao M, Xu X. Comparison between anti-VEGF therapy and corticosteroid or laser therapy for macular oedema secondary to retinal vein occlusion: A meta-analysis. J Clin Pharm Ther 2017. [PMID: 28639290 DOI: 10.1111/jcpt.12551] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
WHAT IS KNOWN AND OBJECTIVE Therapeutic effects of anti-VEGF agents, corticosteroids and laser therapy have been previously examined for treating macular oedema secondary to branch and central retinal vein occlusion (BRVO and CRVO). However, anti-VEGF efficacy has not been previously compared to corticosteroid or laser therapy efficacy. We performed a meta-analysis to compare these treatments. METHODS Pertinent publications were identified through comprehensive literature searches. Therapeutic effects were estimated using best-corrected visual acuity (BCVA), central retinal thickness (CRT) and intraocular pressure (IOP). The Review Manager (version 5.3.5) was used to perform searches. RESULTS AND DISCUSSION Eleven randomized, controlled trials that included 1045 RVO patients were identified. For eyes with BRVO, anti-VEGF therapy improved BCVA significantly more than corticosteroid/laser therapy at 3 (P=.0002), 6 (P<.00001) and 12 months (P<.00001). For eyes with CRVO, this difference was only significant at 6 months (P=.002). The same was true when efficacy was examined using CRT at 3 and 6 months (BRVO: both P<.00001, CRVO 6 months: P=.02). Long-term efficacy of anti-VEGF agents was limited in eyes with BRVO and CRVO. Improvements in BCVA were similar at 1 and 3 months (P=.74), but BCVA decreased between 3 and 6 months (P=.03). In contrast, BCVA progressively decreased 1 and 6 months following corticosteroid/laser therapy (both P<.00001). Lastly, eyes that had been treated with anti-VEGF agents had significantly lower IOP changes than eyes treated with corticosteroids/laser 3 and 6 months after initiating therapy (both P<.00001). WHAT IS NEW AND CONCLUSION Anti-VEGF agents improve BCVA and reduce CRT more effectively and longer than corticosteroid/laser in eyes with RVO. Anti-VEGF agents also have a lower risk of elevating IOP. Additionally, anti-VEGF agents are more effective for treating BRVO than CRVO.
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Affiliation(s)
- T Qian
- Shanghai Key Laboratory of Ocular Fundus Diseases, Department of Ophthalmology, Shanghai General Hospital, Shanghai Jiaotong University School of Medicine, Shanghai, China
| | - M Zhao
- Shanghai Key Laboratory of Ocular Fundus Diseases, Department of Ophthalmology, Shanghai General Hospital, Shanghai Jiaotong University School of Medicine, Shanghai, China
| | - X Xu
- Shanghai Key Laboratory of Ocular Fundus Diseases, Department of Ophthalmology, Shanghai General Hospital, Shanghai Jiaotong University School of Medicine, Shanghai, China
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Zhao M, Li GH. [The value of fasting plasma glucose and lipid profiles between 7 and 15 gestational weeks in the prediction of gestational diabetes mellitus]. Zhonghua Fu Chan Ke Za Zhi 2017; 51:835-839. [PMID: 27916067 DOI: 10.3760/cma.j.issn.0529-567x.2016.11.007] [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] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Objective: To explore the value of using fasting plasma glucose (FPG) and lipid profiles between 7 and 15 gestational weeks to predict gestational diabetes mellitus (GDM). Methods: The medical records of 2 138 pregnant women who had prenatal care in Beijing Obstetrics and Gynecology Hospital from August 2011 to February 2012 were analyzed retrospectively. According to results of the oral glucose tolerance tests, women were devided into the GDM group (n=240) and the normal group (n=1 898). Maternal characteristics, FPG and lipid levels between 7 and 15 gestational weeks were compared between the two groups. Logistic regression analysis and receiver operator characteristics(ROC) curve were used in the analysis. Results: Potential markers for the prediction of GDM included total cholesterol, triglyceride (TG) , low-density lipoprotein cholesterol/high-density lipoprotein cholesterol ratios (LDL-C/HDL-C) , triglyceride to high-density lipoprotein cholesterol ratios (TG/HDL-C) and FPG. After adjustment of confounding factors, age (OR=1.046, 95%CI:1.003-1.090), pre- pregnancy body mass index (OR=1.104, 95%CI: 1.049-1.161), gravidity>3 (OR=1.768, 95%CI:1.071-2.920), FPG (OR=8.137, 95%CI:5.412-12.236), TG (OR=1.460, 95%CI:1.148-1.858) were independently associated with the risk of developing GDM. Equation, PGDM=1/{1+exp[-(-16.542+0.045×age+0.103×pre-pregnancy body mass index+0.551×gravidity>3+2.110×FPG+0.372×TG)]}, was constructed by the logistic regression analysis. Sensitivity (67.5%) and specificity (70.5%) were determined by the calculated risk score, with a cut-off value of 0.11 (area under the curve: 0.751, 95%CI:0.718-0.783, P<0.001). Conclusions: FPG and TG, together with clinical characteristics may have a better predictive value for the risk of GDM.
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Affiliation(s)
- M Zhao
- *Department of Nutrition, Beijing Obstetrics and Gynecology Hospital, Capital Medical University, Beijing 100026, China
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237
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Ma L, Zhao M, Zhao L, Xu J, Loor J, Bu D. Effects of dietary neutral detergent fiber and starch ratio on rumen epithelial cell morphological structure and gene expression in dairy cows. J Dairy Sci 2017; 100:3705-3712. [DOI: 10.3168/jds.2016-11772] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2016] [Accepted: 01/18/2017] [Indexed: 12/20/2022]
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238
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Ren G, Jv H, Tian Z, Gvetadze SR, Hu J, Zhao M, Zhou G, Zhang C, Zhang Z. Ultrasound hyperthermia induces apoptosis in head and neck squamous cell carcinoma: An in vitro study. Med Oral Patol Oral Cir Bucal 2017; 22:e289-e296. [PMID: 28390119 PMCID: PMC5432077 DOI: 10.4317/medoral.21245] [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] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2016] [Accepted: 12/22/2016] [Indexed: 02/06/2023] Open
Abstract
Background Hyperthermia is considered an efficient complement in the treatment of head and neck squamous cell carcinoma (HNSCC). Hyperthermia induces cell apoptosis in a temperature- and time-dependent manner. However, the molecular mechanism of hyperthermia remains unclear. The aim of this study was to investigate the mechanism of apoptosis induced by ultrasound hyperthermia in HNSCC cell lines HN-30 and HN-13. Material and Methods We examined the dynamic changes of early apoptosis and secondary necrosis in HN-30 and HN-13 cells treated by hyperthermia at 42°C for 10 min. We further examined mitochondrial membrane potential in vitro by ultrasound hyperthermia for different heating temperatures (38-44°C, 10 min) and heating times (42°C, 10-50 min). After heating by ultrasound at 42°C for 10 min, the apoptosis index achieved its highest level at 8 h after treatment, decreased rapidly and remained constant at a reduced level at 12 h. Results The level of secondary necrosis increased with the level of early apoptosis but remained at a higher level until 14 h. The level of secondary necrosis correlated with the level of early apoptosis (HN-13: r=0.7523, P=0.0030; HN-30: r=0.6510, P=0.016). The fractions of cells with low mitochondrial membrane potential (Δψ) in the heating-temperature grads group and heating-time grads group decreased significantly over time. Therefore, HN-30 and HN-13 cells developed apoptosis after ultrasound hyperthermia treatment with decreases in the mitochondrial transmembrane potential level. Conclusions Ultrasound hyperthermia induces apoptosis in HN-30 and HN-13 cells, possibly via the mitochondrial caspase pathway. Key words:Head and neck squamous cell carcinoma, apoptosis, mitochondrial membrane potential, ultrasound hyperthermia.
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Affiliation(s)
- G Ren
- Department of Oral Maxillofacial-Head Neck Oncology, Shanghai 9th People's Hospital, No 639, Zhi Zao Ju Road, Shanghai 200011 PR China,
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239
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Li J, Yu H, Ma YF, Zhao M, Tang J. Identification of genes associated with lung cancer by bioinformatics analysis. Eur Rev Med Pharmacol Sci 2017; 21:2397-2404. [PMID: 28617549] [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 This study was aimed to explore the underlying genes associated with lung cancer (LC) by bioinformatics analysis. DATA AND METHODS Gene expression profile GSE2514 was downloaded from the Gene Expression Omnibus database. Twenty lung and nineteen para-carcinoma tissue samples were used to identify the differentially expressed genes (DEGs) by paired t-test. Pathway enrichment analysis of DEGs was performed, followed by the construction of protein-protein interaction (PPI) network. Functional enrichment analysis of the module identified from PPI network was performed, and the enriched term with the highest enrichment scores was selected for pathway enrichment analysis. RESULTS Total 257 DEGs including 179 up-regulated DEGs such as monoamine oxidase A (MAOA) and intercellular adhesion molecule 2 (ICAM2), and 78 down-regulated DEGs such as thrombospondin-2 (THBS2) were identified. Up-regulated DEGs were enriched in 7 pathways, such as drug metabolism, tyrosine metabolism and cell adhesion molecules (CAMs). Down-regulated DEGs were enriched in extracellular cell matrix receptor interaction and focal adhesion pathways. In the PPI network, interleukin-6 (IL6) had the highest connectivity degree of 39. Module 1 with the highest functional enrichment scores of 5.457 containing 13 hub genes such as KIAA0101. CONCLUSIONS DEGs of LC were mainly enriched in the pathways related to metabolism and cell adhesion. The DEGs such as MAOA, ICAM2, IL6, THBS2 and KIAA0101 may be the potential targets for LC diagnosis and treatment.
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Affiliation(s)
- J Li
- Department of Thoracic Surgery, General Hospital of People's Liberation Army, Beijing, China.
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240
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Li J, Wu W, Zhao M, Liu X. Involvement of TRPC1 in Nampt-induced cardiomyocyte hypertrophy through the activation of ER stress. ACTA ACUST UNITED AC 2017; 63:33-37. [PMID: 28478801 DOI: 10.14715/cmb/2017.63.4.6] [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] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2017] [Accepted: 05/06/2017] [Indexed: 02/05/2023]
Abstract
Nicotinamide phosphoribosyltransferase (Nampt) is involved in the development of cardiac hypertrophy. Transient receptor potential canonical channel 1 (TRPC1) and endoplasmic reticulum stress (ER stress) are regarded as critical pathways in cardiac hypertrophy. Therefore, we hypothesizedthat TRPC1 might be associated with ER stress in Nampt-induced cardiac hypertrophy. CulturedH9c2cardiomyocyteswereexposed to Namptfor different timesand the expression of markers of cardiomyocyte hypertrophy and ER stress, as well as TRPC1 were detected. Moreover, specific TRPC1-shRNA (short hairpin RNA) expressing plasmid was transfected to knockdown TRPC1 expression before Nampt stimulation. Thapsigargin was used as an agonist and pravastatin was employed as an inhibitor of ER stress. The results demonstrated that exposure of H9c2 cells to 100 ng/mL Nampt for 24h, 48h or 72h significantly increased the expression of atrial natriuretic peptide (ANP), brain natriuretic peptide (BNP), markers of ER stress and TRPC1. The Nampt-induced expression of TRPC1 was attenuated by pre-treatment with pravastatin, whereas promoted by pre-treatment with thapsigargin. Furthermore, transfection of TRPC1-shRNA for 48h partially inhibited Nampt-induced expression of ER stress markers and BNP in H9c2 cells. Our data suggest that TRPC1 might play an important role in cardiomyocyte hypertrophy induced by Namptinan ER stress-dependent way.
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Affiliation(s)
- J Li
- Laboratory of Cardiovascular Diseases, Regenerative Medicine Research Center, West China Hospital, Sichuan University, Chengdu 610041,China
| | - W Wu
- Laboratory of Cardiovascular Diseases, Regenerative Medicine Research Center, West China Hospital, Sichuan University, Chengdu 610041,China
| | - M Zhao
- Laboratory of Cardiovascular Diseases, Regenerative Medicine Research Center, West China Hospital, Sichuan University, Chengdu 610041,China
| | - X Liu
- Laboratory of Cardiovascular Diseases, Regenerative Medicine Research Center, West China Hospital, Sichuan University, Chengdu 610041,China
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241
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Wu W, Li J, Zhao M, Liu X. HIF-1α mediates visfatin-induced CTGF expression in vascular endothelial cells. ACTA ACUST UNITED AC 2017; 63:28-32. [PMID: 28478800 DOI: 10.14715/cmb/2017.63.4.5] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [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: 05/06/2017] [Accepted: 05/06/2017] [Indexed: 02/05/2023]
Abstract
Visfatin is an adipokine that functions as a mediator of endothelial dysfunction and cardiovascular diseases. Connective tissue growth factor (CTGF) is a key factor in vascular remodeling and atherosclerosis. However, the association between visfatin and CTGF is unclear. Therefore the study was to test the hypothesis that visfatin could modulate the expression of CTGF in vascular endothelial cells. In our study, cultured endothelial cell line EA.Hy926 cells were treated with different concentrations of visfatin for different times. The CTGF gene expression was analyzed by real-time PCR, and the protein expression of CTGF was assessed by Western Blot. The results showed that 100ng/mL concentration of visfatin could induce CTGF mRNA expression after 6 hours treatment, which peaked at 24 hours. And 100ng/mL concentration of visfatin also increased CTGF protein production after 12 hours treatment in EA.Hy926 cells. The expression of transforming growth factor-β1 (TGF-β1) mRNA was almost unaffected in cells treated with visfatin, whereas the expression of hypoxia inducible factor-1α (HIF-1α) was increased significantly. Moreover, knockdown of HIF-1α by its specific shRNA inhibits the effect of visfatin on CTGF expression. In conclusion, the up-regulation of CTGF expression by visfatin might be mediated via HIF-1α -dependent pathway, but not the TGF-β1 pathway in EA.Hy926 cells.
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Affiliation(s)
- W Wu
- Laboratory of Cardiovascular Diseases, Regenerative Medicine Research Center, West China Hospital, Sichuan University, Chengdu, China
| | - J Li
- Laboratory of Cardiovascular Diseases, Regenerative Medicine Research Center, West China Hospital, Sichuan University, Chengdu, China
| | - M Zhao
- Laboratory of Cardiovascular Diseases, Regenerative Medicine Research Center, West China Hospital, Sichuan University, Chengdu, China
| | - X Liu
- Laboratory of Cardiovascular Diseases, Regenerative Medicine Research Center, West China Hospital, Sichuan University, Chengdu, China
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242
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Bao Q, Chen L, Li J, Zhao M, Wu S, Wu W, Liu X. Role of microRNA-124 in cardiomyocyte hypertrophy inducedby angiotensin II. ACTA ACUST UNITED AC 2017; 63:23-27. [PMID: 28478799 DOI: 10.14715/cmb/2017.63.4.4] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2017] [Accepted: 05/06/2017] [Indexed: 02/05/2023]
Abstract
Cardiac hypertrophy is a crucial predictor of heart failure and is regulated by microRNAs. MicroRNA-124 (miR-124) is regarded as a prognostic indicator for outcomes after cardiac arrest. However, whether miR-124 participates in cardiac hypertrophy remains unclear. Therefore, our study aimed to determine the role of miR-124 in angiotensin II(AngII)-induced myocardial hypertrophy and the possible mechanism. Primary cultured rat neonatal cardiomyocytes(NCMs) were transfected with miR-124 mimics or inhibitor, followed by AngII stimulation. Quantitative RT-PCR, western blot analysis and determination of cell surface area of NCMs were used to detect the hypertrophic phenotypes. We observed that miR-124 was elevated in AngII-induced hypertrophic cardiomyocytes. Cell surface area of NCMs and mRNA expression of atrial natriuretic peptide (ANP), brain natriuretic peptide (BNP) and β-myosin heavy chain (β-MHC), indicators of myocardial hypertrophy, were higher in NCMs transfected with miR-124 mimics in the presence of AngII. On the contrary, knockdown of miR-124 by its specific inhibitor could restore these courses. Furthermore, downregulation of miR-124 alleviated the increased protein level of endoplasmic reticulum (ER) stress markers 78-kDa glucose-regulated protein (Grp78) and calreticulin(CRT) in AngII-induced NCMs. In conclusion, our study shows that inhibition of miR-124 effectively suppresses AngII-induced myocardial hypertrophy, which is associated with attenuation of ER stress.
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Affiliation(s)
- Q Bao
- Department of Cardiology, West China Hospital, Sichuan University, Chengdu, China
| | - L Chen
- Department of Cardiology, West China Hospital, Sichuan University, Chengdu, China
| | - J Li
- Laboratory of Cardiovascular Diseases, Regenerative Medicine Research Center, West China Hospital, Sichuan University, Chengdu, China
| | - M Zhao
- Laboratory of Cardiovascular Diseases, Regenerative Medicine Research Center, West China Hospital, Sichuan University, Chengdu, China
| | - S Wu
- Laboratory of Cardiovascular Diseases, Regenerative Medicine Research Center, West China Hospital, Sichuan University, Chengdu, China
| | - W Wu
- Laboratory of Cardiovascular Diseases, Regenerative Medicine Research Center, West China Hospital, Sichuan University, Chengdu, China
| | - X Liu
- Department of Cardiology, West China Hospital, Sichuan University, Chengdu, China
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Xiao X, Xiao F, Zhao M, Tong M, Wise MR, Stone PR, Chamley LW, Chen Q. Treating normal early gestation placentae with preeclamptic sera produces extracellular micro and nano vesicles that activate endothelial cells. J Reprod Immunol 2017; 120:34-41. [PMID: 28441551 DOI: 10.1016/j.jri.2017.04.004] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2016] [Revised: 03/09/2017] [Accepted: 04/11/2017] [Indexed: 10/19/2022]
Abstract
OBJECTIVES Preeclampsia is characterised by systemic endothelial cell dysfunction thought to be triggered by toxic/dangerous factors from the placenta, including placental extracellular vesicles (EVs). Why placental EVs become toxic is unknown. We previously reported that preeclamptic sera produced toxic/dangerous placental macrovesicles but whether small EVs are also toxic/dangerous in preeclampsia is unknown. STUDY DESIGN First trimester placental explants were treated with 10% preeclamptic or control sera (n=10) for 24h. Micro- and nano-vesicles were harvested by sequential centrifugation. Micro- or nano-vesicles were also exposed to monolayers of endothelial cells in the presence or absence of nifedipine (50μg/ml) or labetalol (0.5μg/ml) which are well-known anti-hypertensives in clinical practices. MAIN OUTCOMES MEASURES The number and size of micro- and nano-vesicles were counted. Endothelial cell-surface intercellular adhesion molecule 1 (ICAM-1) and high mobility group box 1 (HMGB1) levels in micro- or nano-vesicles were measured by immunoassays. RESULTS Neither the amount nor size of both micro- and nano-vesicles was different after treating placental explants with preeclamptic or control sera. The levels of HMGB1 were significantly increased in both micro- and nano-vesicles from preeclamptic sera treated placental explants (p<0.03). Exposing endothelial cells to micro- or nano-vesicles from preeclamptic sera-treated placental explants induced endothelial activation, but it was reversed by co-incubation with nifedipine (p=0.004) or labetalol (p=0.002). CONCLUSION Our data demonstrate that preeclamptic sera produce toxic/dangerous micro- and nano-placental EVs which activated endothelial cells. This effect was reversed by antihypertensives. The increased levels of HMGB1 in EVs may contribute to endothelial cell activation.
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Affiliation(s)
- Xirong Xiao
- The Hospital of Obstetrics & Gynaecology, Fudan University, China; Department of Obstetrics & Gynaecology, The University of Auckland, New Zealand
| | - Fengyi Xiao
- The Hospital of Obstetrics & Gynaecology, Fudan University, China; Department of Obstetrics & Gynaecology, The University of Auckland, New Zealand
| | - Mingzhi Zhao
- The Hospital of Obstetrics & Gynaecology, Fudan University, China; Department of Obstetrics & Gynaecology, The University of Auckland, New Zealand
| | - Mancy Tong
- Department of Obstetrics & Gynaecology, The University of Auckland, New Zealand
| | - Michelle R Wise
- Department of Obstetrics & Gynaecology, The University of Auckland, New Zealand
| | - Peter R Stone
- Department of Obstetrics & Gynaecology, The University of Auckland, New Zealand
| | - Lawrence W Chamley
- Department of Obstetrics & Gynaecology, The University of Auckland, New Zealand
| | - Qi Chen
- The Hospital of Obstetrics & Gynaecology, Fudan University, China; Department of Obstetrics & Gynaecology, The University of Auckland, New Zealand.
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Wu K, Zhao M, Ma C, Zhang H, Liu X, Zhou L, Zhao J, Gao L, Wang D. Thyrotropin Alters T Cell Development in the Thymus in Subclinical Hypothyroidism Mouse Model. Scand J Immunol 2017; 85:35-42. [PMID: 27864993 DOI: 10.1111/sji.12507] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2016] [Accepted: 11/11/2016] [Indexed: 02/06/2023]
Abstract
Subclinical hypothyroidism (SCH) is highly prevalent in the general population and is associated with potential deleterious effects. Although developing T cells express thyroid-stimulating hormone receptor (TSH-R), the changes of T cell development in thymus in SCH have not been fully clarified. SCH mouse model, which is characterized by elevated serum TSH but similar thyroid hormone levels, was used to study the role of TSH in T cell development. Thymus weight of SCH mice increased 18% compared with controls. Importantly, the frequencies of CD4+ and CD8+ single-positive (SP) thymocytes increased 38% and 44%, respectively. We demonstrated that TSH protected thymocytes from apoptosis as evidenced by a significant decrease of Annexin V-positive thymocytes in SCH mice. Further analysis showed that extracellular-regulated kinases (ERK) 1/2 in thymus were activated in SCH mice. With analysis of T cell receptor excision circles (TREC), we found that TSH increased recent thymic emigrants (RTE) in spleen tissue in SCH mice. Thus, these results suggest that TSH promoted T cell development and enhanced the thymic recent output in SCH mice, possibly by suppression of apoptosis of thymocytes, indicating that modification of the ERK signalling pathways.
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Affiliation(s)
- K Wu
- Department of Endocrinology, Shandong Provincial Hospital Affiliated to Shandong University, Jinan, Shandong, China.,Shandong Clinical Medical Center of Endocrinology and Metabolism, Jinan, Shandong, China.,Institute of Endocrinology and Metabolism, Shandong Academy of Clinical Medicine, Jinan, Shandong, China
| | - M Zhao
- Department of Endocrinology, Shandong Provincial Hospital Affiliated to Shandong University, Jinan, Shandong, China.,Shandong Clinical Medical Center of Endocrinology and Metabolism, Jinan, Shandong, China.,Institute of Endocrinology and Metabolism, Shandong Academy of Clinical Medicine, Jinan, Shandong, China
| | - C Ma
- Scientific Center, Shandong Provincial Hospital affiliated to Shandong University, Jinan, Shandong, China
| | - H Zhang
- Department of Endocrinology, Shandong Provincial Hospital Affiliated to Shandong University, Jinan, Shandong, China.,Shandong Clinical Medical Center of Endocrinology and Metabolism, Jinan, Shandong, China.,Institute of Endocrinology and Metabolism, Shandong Academy of Clinical Medicine, Jinan, Shandong, China
| | - X Liu
- Department of Endocrinology, Shandong Provincial Hospital Affiliated to Shandong University, Jinan, Shandong, China.,Shandong Clinical Medical Center of Endocrinology and Metabolism, Jinan, Shandong, China.,Institute of Endocrinology and Metabolism, Shandong Academy of Clinical Medicine, Jinan, Shandong, China
| | - L Zhou
- Department of Endocrinology and Metabolism, The Second Hospital of Shandong University, Jinan, Shandong, China
| | - J Zhao
- Department of Endocrinology, Shandong Provincial Hospital Affiliated to Shandong University, Jinan, Shandong, China.,Shandong Clinical Medical Center of Endocrinology and Metabolism, Jinan, Shandong, China.,Institute of Endocrinology and Metabolism, Shandong Academy of Clinical Medicine, Jinan, Shandong, China
| | - L Gao
- Department of Endocrinology, Shandong Provincial Hospital Affiliated to Shandong University, Jinan, Shandong, China.,Shandong Clinical Medical Center of Endocrinology and Metabolism, Jinan, Shandong, China.,Scientific Center, Shandong Provincial Hospital affiliated to Shandong University, Jinan, Shandong, China
| | - D Wang
- Shandong Provincial Hospital affiliated to Shandong University, Jinan, Shandong, China
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Lyons JJ, Liu Y, Ma CA, Yu X, O'Connell MP, Lawrence MG, Zhang Y, Karpe K, Zhao M, Siegel AM, Stone KD, Nelson C, Jones N, DiMaggio T, Darnell DN, Mendoza-Caamal E, Orozco L, Hughes JD, McElwee J, Hohman RJ, Frischmeyer-Guerrerio PA, Rothenberg ME, Freeman AF, Holland SM, Milner JD. Correction: ERBIN deficiency links STAT3 and TGF-β pathway defects with atopy in humans. J Exp Med 2017; 214:1201. [PMID: 28289052 PMCID: PMC5379980 DOI: 10.1084/jem.2016143503082017c] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022] Open
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246
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Chen Y, Zhao M, Tang QL, He XL. [Superficial CD34-positive fibroblastic tumor: report of a case]. Zhonghua Bing Li Xue Za Zhi 2017; 46:199-200. [PMID: 28297764 DOI: 10.3760/cma.j.issn.0529-5807.2017.03.013] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
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247
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Paez Arango N, Evans KW, Zhao M, Yuca E, Scott SM, Janku F, Ueno NT, Tripathy D, Kim C, Naing A, Funda MB. Abstract P3-07-01: Selinexor, a selective inhibitor of nuclear export, demonstrates efficacy in preclinical models of triple negative breast cancer. Cancer Res 2017. [DOI: 10.1158/1538-7445.sabcs16-p3-07-01] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Abstract
Background: Approximately 15% of all breast cancers are categorized as triple negative (TNBC) for which the only chemotherapy is known to be effective, yet often fails to achieve remission. Nuclear exporter XPO1 (Exportin1 or CRM1) is a promising target for cancer therapy that mediates the transport of multiple tumor suppressors and cell cycle regulators that have been known to be relevant predictors in the mechanism and severity of TNBC. Given the pressing need for novel therapies for this disease, we sought to determine the antitumor effects of selinexor, a novel inhibitor of nuclear export, on triple negative breast cancers in vitro and in vivo as well as to address its mechanism of action.
Methods: 26 breast cancer cell lines of different breast cancer subtypes were treated with selinexor in vitro. Using cell proliferation assays the half maximal inhibitory concentration (IC50) was calculated using isobologram curves after 3 days of treatment; sensitivity was defined as IC50 <1000nM. We then assessed mechanistic effects on apoptosis and cell proliferation using flow cytometry analysis with annexin V and propidium iodide and using western blot analysis we also studied its effects on markers of inhibition of apoptosis. In vivo efficacy was studied as single agent and in combination with standard chemotherapy agents in TNBC patient derived xenografts (PDXs) with varying levels of sensitivity to chemotherapy as well as with varying statuses of TP53 and PIK3CA, and gene expression subtypes.
Results: Selinexor demonstrated growth inhibition in all fourteen TNBC cell lines tested; TNBC cell lines were more sensitive to selinexor (median IC50 44nM, range 11 - 550nM), compared to ER+ cells lines (median IC50 of 13000 nM, range of 40nM - > 1000 nM; P=0.017). Treatment with selinexor decreased expression levels of XPO1, as well as survivin and XIAP, and induced apoptosis. In multiple TNBC cell lines selinexor was synergistic with paclitaxel, carboplatin, eribulin and doxorubicin in vitro (median combination index 0.6, range 0.5-0.8). Selinexor as a single agent reduced tumor growth in vivo in 4 of 5 different TNBC PDX models with a median tumor growth inhibition ratio score (T/C) of 48% (range 34-59%) and demonstrated greater antitumor efficacy in combination with paclitaxel or eribulin with an average T/C score of 27% and 12% respectively.
Conclusions: Selinexor is a promising therapeutic agent for triple negative breast cancer and it has potential as a combination agent with standard chemotherapy.
Citation Format: Paez Arango N, Evans KW, Zhao M, Yuca E, Scott SM, Janku F, Ueno NT, Tripathy D, Kim C, Naing A, Funda M-B. Selinexor, a selective inhibitor of nuclear export, demonstrates efficacy in preclinical models of triple negative breast cancer [abstract]. In: Proceedings of the 2016 San Antonio Breast Cancer Symposium; 2016 Dec 6-10; San Antonio, TX. Philadelphia (PA): AACR; Cancer Res 2017;77(4 Suppl):Abstract nr P3-07-01.
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Affiliation(s)
| | - KW Evans
- MD Anderson Cancer Center, Houston, TX
| | - M Zhao
- MD Anderson Cancer Center, Houston, TX
| | - E Yuca
- MD Anderson Cancer Center, Houston, TX
| | - SM Scott
- MD Anderson Cancer Center, Houston, TX
| | - F Janku
- MD Anderson Cancer Center, Houston, TX
| | - NT Ueno
- MD Anderson Cancer Center, Houston, TX
| | | | - C Kim
- MD Anderson Cancer Center, Houston, TX
| | - A Naing
- MD Anderson Cancer Center, Houston, TX
| | - M-B Funda
- MD Anderson Cancer Center, Houston, TX
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248
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Li X, Han KQ, Shi YN, Men SZ, Li S, Sun MH, Dong H, Lu JJ, Ma LJ, Zhao M, Li D, Liu W. [Effects and mechanisms of ursodeoxycholic acid on isoprenaline-Induced myocardial fibrosis in mice]. Zhonghua Yi Xue Za Zhi 2017; 97:387-391. [PMID: 28219198 DOI: 10.3760/cma.j.issn.0376-2491.2017.05.013] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
Objective: To investigate the effects and possible mechanisms of ursodeoxycholic acid (UDCA) on myocardial fibrosis in mice. Method: To observe the expression of transforming growth factor(TGF) -β1, CTGF, MMPs and the degree of myocardial fibrosis, 61 male Kunming mice were randomly divided into normal group, low dose UDCA group, high dose of UDCA group, spironolactone group, and the control group.Isoproterenol (ISO) injection was given subcutaneously (30 d) to make the model of myocardial fibrosis.Corresponding anti-fibrosis drugs (UDCA or spironolactone) were given by gavage.HE staining and Masson staining were performed to explore the inflammation and fibrosis in the myocardium.The expression of collagen Ⅰ and collagen Ⅲ protein was detected by immunohistochemistry to evaluate the degree of fibrosis among the groups.Western blot was used to detect the expression of transforming growth factor, (TGF)-β1, connective tissue growth factor (CTGF), matrix metalloproteinase (MMP)-2, -9, tissue inhibitor of metalloproteinase (TIMP)-4, -1 and anti-phospho-NFKBIA (p-IκB-α) inhibitor of NF-κB (IκB) protein in myocardium. Results: HE and Masson staining results showed that in the normal group, myocardial fibrosis is less, while the control group showed a large amount of fibrotic tissue (P<0.05). Tissue fibrosis in the low/high dose UDCA group and spironolactone group was significantly reduced compared with the control group (P<0.05), in which high dose of UDCA reduces fibrosis more significantly.Immunohistochemistry results showed that collagen Ⅰ and collagen Ⅲ protein expression was significantly increased (P<0.05). Whereas in the low/high UDCA dose group and spironolactone group, collagen Ⅰ and collagen Ⅲ expression were significantly decreased (P<0.05), the high UDCA dose group decreased more significantly.Western blot results suggest that TGFβ-1 expression in the myocardial tissue was significantly increased compared to the normal group (P<0.05), whereas low/high UDCA dose group and spironolactone group, TGFβ-1 protein expression were significantly decreased [UDCA(1.52±0.16), (1.02±0.12), (1.01±0.21)vs (2.73±0.12), P<0.05], in which high UDCA dose group TGFβ-1 protein expression level decreased more significantly.However, there was no significant difference in the expression of CTGF, MMP2/9 and TIMP1/4 protein among the groups (P>0.05). UDCA decrease p-IκB-α expression and increase IκB protein expression dose-dependently. Conclusions: UDCA can relieve isoproterenol induced myocardial fibrosis and reduce the myocardial collagen Ⅰ and collagen Ⅲ deposition in a dose dependent manner.Down-regulating of TGFβ-1 protein expression through the inhibition of TGR5-NF-κB signal transduction pathway might be a potential mechanism underlying UDCA's effects.
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Affiliation(s)
- X Li
- Department of Cardiovascular Diseases, the First Affiliated Hospital of Harbin Medical University, Harbin 150001, China
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249
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Lyons JJ, Liu Y, Ma CA, Yu X, O'Connell MP, Lawrence MG, Zhang Y, Karpe K, Zhao M, Siegel AM, Stone KD, Nelson C, Jones N, DiMaggio T, Darnell DN, Mendoza-Caamal E, Orozco L, Hughes JD, McElwee J, Hohman RJ, Frischmeyer-Guerrerio PA, Rothenberg ME, Freeman AF, Holland SM, Milner JD. ERBIN deficiency links STAT3 and TGF-β pathway defects with atopy in humans. J Exp Med 2017; 214:669-680. [PMID: 28126831 PMCID: PMC5339676 DOI: 10.1084/jem.20161435] [Citation(s) in RCA: 51] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2016] [Revised: 11/02/2016] [Accepted: 12/21/2016] [Indexed: 12/19/2022] Open
Abstract
Lyons et al. show that STAT3 negatively regulates TGF-β signaling via ERBIN and that cell-intrinsic deregulation of TGF-β pathway activation promotes the IL-4/IL-4Rα/GATA3 axis to support atopic phenotypes in humans. Nonimmunological connective tissue phenotypes in humans are common among some congenital and acquired allergic diseases. Several of these congenital disorders have been associated with either increased TGF-β activity or impaired STAT3 activation, suggesting that these pathways might intersect and that their disruption may contribute to atopy. In this study, we show that STAT3 negatively regulates TGF-β signaling via ERBB2-interacting protein (ERBIN), a SMAD anchor for receptor activation and SMAD2/3 binding protein. Individuals with dominant-negative STAT3 mutations (STAT3mut) or a loss-of-function mutation in ERBB2IP (ERBB2IPmut) have evidence of deregulated TGF-β signaling with increased regulatory T cells and total FOXP3 expression. These naturally occurring mutations, recapitulated in vitro, impair STAT3–ERBIN–SMAD2/3 complex formation and fail to constrain nuclear pSMAD2/3 in response to TGF-β. In turn, cell-intrinsic deregulation of TGF-β signaling is associated with increased functional IL-4Rα expression on naive lymphocytes and can induce expression and activation of the IL-4/IL-4Rα/GATA3 axis in vitro. These findings link increased TGF-β pathway activation in ERBB2IPmut and STAT3mut patient lymphocytes with increased T helper type 2 cytokine expression and elevated IgE.
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Affiliation(s)
- J J Lyons
- Genetics and Pathogenesis of Allergy Section, Laboratory of Allergic Diseases, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD 20892
| | - Y Liu
- Genetics and Pathogenesis of Allergy Section, Laboratory of Allergic Diseases, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD 20892
| | - C A Ma
- Genetics and Pathogenesis of Allergy Section, Laboratory of Allergic Diseases, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD 20892
| | - X Yu
- Genetics and Pathogenesis of Allergy Section, Laboratory of Allergic Diseases, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD 20892
| | - M P O'Connell
- Genetics and Pathogenesis of Allergy Section, Laboratory of Allergic Diseases, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD 20892
| | - M G Lawrence
- Division of Asthma, Allergy, and Immunology, Department of Medicine, University of Virginia, Charlottesville, VA 22903
| | - Y Zhang
- Genetics and Pathogenesis of Allergy Section, Laboratory of Allergic Diseases, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD 20892
| | - K Karpe
- Genetics and Pathogenesis of Allergy Section, Laboratory of Allergic Diseases, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD 20892
| | - M Zhao
- Research Technologies Branch, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD 20892
| | - A M Siegel
- Genetics and Pathogenesis of Allergy Section, Laboratory of Allergic Diseases, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD 20892
| | - K D Stone
- Genetics and Pathogenesis of Allergy Section, Laboratory of Allergic Diseases, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD 20892
| | - C Nelson
- Genetics and Pathogenesis of Allergy Section, Laboratory of Allergic Diseases, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD 20892
| | - N Jones
- Clinical Research Directorate/CRMP, Leidos Biomedical Research Inc., NCI Campus at Frederick, Frederick, MD 21702
| | - T DiMaggio
- Genetics and Pathogenesis of Allergy Section, Laboratory of Allergic Diseases, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD 20892
| | - D N Darnell
- Laboratory of Clinical Infectious Diseases, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD 20892
| | - E Mendoza-Caamal
- National Institute of Genomic Medicine, 14610 Mexico City, Mexico
| | - L Orozco
- National Institute of Genomic Medicine, 14610 Mexico City, Mexico
| | - J D Hughes
- Merck Research Laboratories, Merck & Co. Inc., Boston, MA 02115
| | - J McElwee
- Merck Research Laboratories, Merck & Co. Inc., Boston, MA 02115
| | - R J Hohman
- Research Technologies Branch, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD 20892
| | - P A Frischmeyer-Guerrerio
- Food Allergy Research Unit, Laboratory of Allergic Diseases, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD 20892
| | - M E Rothenberg
- Division of Allergy and Immunology, Department of Pediatrics, Cincinnati Children's Hospital Medical Center, Cincinnati, OH 45229
| | - A F Freeman
- Laboratory of Clinical Infectious Diseases, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD 20892
| | - S M Holland
- Laboratory of Clinical Infectious Diseases, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD 20892
| | - J D Milner
- Genetics and Pathogenesis of Allergy Section, Laboratory of Allergic Diseases, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD 20892
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250
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Zhao M, Yu M, Fang L, Wang H, Wu WX, Huang GH, Duan LL, Chen ZX, Chen PF. [Road-side observational survey on 4 unlawful acts among electric bicycle riders in Zhejiang]. Zhonghua Liu Xing Bing Xue Za Zhi 2017; 37:629-33. [PMID: 27188351 DOI: 10.3760/cma.j.issn.0254-6450.2016.05.008] [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: 11/05/2022]
Abstract
OBJECTIVE To investigate the prevalence of key unlawful acts among electric bicycle riders and provide evidence for the development of specific interventions. METHODS A 4-day road-side survey was conducted in Jinhua, Zhejiang province, in 2013. The speed of electric bicycle was measured by speed measuring instrument and the unlawful acts of riders, such as reverse riding, running the red-light and carrying passengers, were observed with non-participatory way. RESULTS A total of 3 448 running electric bicycles were observed and the average speed was 26 km/h, the proportion of electric bicycle at the speed of ≥15 km/h was 87.06%. The average speed was highest during 10 am-11 am(30 km/h). the number of observed electric bicycle riders with unlawful acts of ' running the red-light','reverse riding' and ' carrying passengers' were 1 315, 656 and 1 877 respectively, and the estimated rate was 10.01%, 4.99% and 15.22%, respectively. More ' running the red-light','reverse riding' and ' carrying passengers' occurred during 7 am-8 am(14.59%)and 13 pm-14 pm(15.25%), 13 pm-14 pm(7.33%)and 17 pm-18 pm(7.63%), 6 am-7 am(32.44%)and 12 pm-13 pm(27.90%), respectively. CONCLUSION Overspeeding, carrying passengers, running the red-light, reverse riding were the key unlawful acts among electric bicycle riders. Targeted intervention should be carried out to reduce the prevalence of unlawful riding acts and the incidence of electric bicycle related injuries and deaths.
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Affiliation(s)
- M Zhao
- Zhejiang Provincial Center for Disease Control and Prevention, Hangzhou 310051, China
| | - M Yu
- Zhejiang Provincial Center for Disease Control and Prevention, Hangzhou 310051, China
| | - L Fang
- Zhejiang Provincial Center for Disease Control and Prevention, Hangzhou 310051, China
| | - H Wang
- Zhejiang Provincial Center for Disease Control and Prevention, Hangzhou 310051, China
| | - W X Wu
- Jinhua Municipal Center for Disease Control and Prevention, Jinhua 321000, China
| | - G H Huang
- Jinhua Municipal Public Security Bureau Traffic Police Detachment, Jinhua 321000, China
| | - L L Duan
- National Center for Chronic and Non-communicable Disease Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing 100050, China
| | - Z X Chen
- Jinhua Municipal Center for Disease Control and Prevention, Jinhua 321000, China
| | - P F Chen
- Jinhua Municipal Center for Disease Control and Prevention, Jinhua 321000, China
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