1
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Liu QG, Ma DS, Huazhen ZHZ, Maimaiti Y, Ma ZJ. [A case of acute renal insufficiency caused by shock after surgery of parathyroid carcinoma]. Zhonghua Er Bi Yan Hou Tou Jing Wai Ke Za Zhi 2024; 59:41-43. [PMID: 38246759 DOI: 10.3760/cma.j.cn115330-20230811-00042] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Grants] [Subscribe] [Scholar Register] [Indexed: 01/23/2024]
Affiliation(s)
- Q G Liu
- Graduate School of Qinghai University, Xining 810016, China
| | - D S Ma
- Department of Oncology Surgery, Qinghai University Affiliated Hospital, Xining 810012, China
| | - Z H Z Huazhen
- Department of Oncology Surgery, Qinghai University Affiliated Hospital, Xining 810012, China
| | - Yusufu Maimaiti
- Department of Head and Neck Surgery, Hubei Cancer Hospital, Wuhan 430079, China
| | - Z J Ma
- Department of Oncology Surgery, Qinghai University Affiliated Hospital, Xining 810012, China
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Cheng ZY, Tang Z, Ma ZJ, Wang JH. Two new p-methoxyphenyl-type derivatives from a saline-lake derived Streptomyces sp. XZB32. Nat Prod Res 2024; 38:402-407. [PMID: 36125395 DOI: 10.1080/14786419.2022.2124986] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2022] [Accepted: 09/07/2022] [Indexed: 10/14/2022]
Abstract
Two new p-methoxyphenyl-type derivatives cytchloramol (1) and cytoxazinanone (2), along with six known compounds (3-8) were identified from the chemical investigations of a saline lake actinomycete, Streptomyces sp. XZB32. The structures of the new compounds were elucidated by extensive NMR spectroscopic analysis, HRESIMS data, GIAO (gauge-including atomic orbitals) NMR, specific optical rotation (SOR) and electronic circular dichroism (ECD) calculations. Cytotoxicity evaluation of the two new compounds showed that compound 1 exhibited significant activity against HCT-116 and MDA-MB-231 human cancer cell line with IC50 values of 2.7 ± 0.07 µM and 1.54 ± 0.14 µM, respectively.
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Affiliation(s)
- Zi-Yang Cheng
- Institute of Marine Biology and Pharmacology, Ocean College, Zhejiang University, Zhoushan, People's Republic of China
| | - Zhen Tang
- Institute of Marine Biology and Pharmacology, Ocean College, Zhejiang University, Zhoushan, People's Republic of China
| | - Zhong-Jun Ma
- Institute of Marine Biology and Pharmacology, Ocean College, Zhejiang University, Zhoushan, People's Republic of China
| | - Jin-Hui Wang
- Institute of Marine Biology and Pharmacology, Ocean College, Zhejiang University, Zhoushan, People's Republic of China
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3
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Tang XY, Mao CR, Fang JB, Ma ZJ, Huang Y, Wang D. Alpiniamides E-G from the Saline Lake-Derived Streptomyces sp. QHA48 and Their Lipid Accumulation Inhibitory Activity. Chem Biodivers 2023; 20:e202300538. [PMID: 37291995 DOI: 10.1002/cbdv.202300538] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2023] [Revised: 05/22/2023] [Accepted: 06/08/2023] [Indexed: 06/10/2023]
Abstract
Alpiniamides E-G, three previously unreported linear polyketide derivatives, along with two known compounds, were isolated from Streptomyces sp. QHA48, which was isolated from the saline lakes of Qinghai-Tibet Plateau. The structures of these compounds were determined through analysis of their spectroscopic data, as well as density functional theory prediction of NMR chemical shifts, application of the DP4+ algorithm and electronic circular dichroism (ECD) calculations. In a cell-based lipid-lowering assay, all five alpiniamides exhibited significant inhibition of lipid accumulation in HepG2 cells without inducing cytotoxic effects at a concentration of 27 μM.
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Affiliation(s)
- Xin-Yi Tang
- Institute of Marine Biology and Pharmacology, Ocean College, Zhejiang University, Zhoushan, 316021, P. R. China
| | - Chu-Ru Mao
- Institute of Marine Biology and Pharmacology, Ocean College, Zhejiang University, Zhoushan, 316021, P. R. China
| | - Jie-Bin Fang
- Institute of Marine Biology and Pharmacology, Ocean College, Zhejiang University, Zhoushan, 316021, P. R. China
| | - Zhong-Jun Ma
- Institute of Marine Biology and Pharmacology, Ocean College, Zhejiang University, Zhoushan, 316021, P. R. China
| | - Yun Huang
- Institute of Marine Biology and Pharmacology, Ocean College, Zhejiang University, Zhoushan, 316021, P. R. China
| | - Dan Wang
- Zhejiang Institute for Food and Drug Control, Key Laboratory of Functional Food Nutrition and Quality Safety for State Market Regulation, Key Laboratory of Health Food Quality Safety of Provincial Market Regulation, Key Laboratory of Drug Contacting Materials Quality Control of Zhejiang Provincial, Hangzhou, 310052, P. R. China
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Bao XW, Li YX, Chen XM, Zhang ZD, Xu LJ, Liu XL, Song SQ, Ma ZJ. Strepolyketide D, a new SEK15-derived polyketide compound from salt-lake-derived Streptomyces sp. DBC5. J Asian Nat Prod Res 2023; 25:197-204. [PMID: 35611796 DOI: 10.1080/10286020.2022.2076673] [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] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/28/2022] [Revised: 05/09/2022] [Accepted: 05/09/2022] [Indexed: 06/15/2023]
Abstract
A new SEK15-derived polyketide compound, strepolyketide D (1), was isolated from salt-lake-derived Streptomyces sp. DBC5, together with two known analogues (2-3). Their structures were elucidated based on spectroscopic analysis of IR, MS, 1 D and 2 D NMR. Compound 2 elicited moderate antioxidation with IC50 value of 39.26 μg/ml. The results of the study revealed that salt-lake actinomycetes of Lake Dabancheng appear to have immense potential as a source of polyketide compounds.
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Affiliation(s)
- Xiao-Wei Bao
- School of Food Science and Pharmacy, Xinjiang Agricultural University, Urumqi 830052, China
| | - Yi-Xin Li
- School of Food Science and Pharmacy, Xinjiang Agricultural University, Urumqi 830052, China
- Institute of Applied Microbiology, Xinjiang Academy of Agricultural Sciences/Xinjiang Key Laboratory of Special Environmental Microbiology, Urumqi 830091, China
| | - Xiao-Ming Chen
- Institute of Marine Biology, Ocean College, Zhejiang University, Zhoushan 316021, China
| | - Zhi-Dong Zhang
- Institute of Applied Microbiology, Xinjiang Academy of Agricultural Sciences/Xinjiang Key Laboratory of Special Environmental Microbiology, Urumqi 830091, China
| | - Li-Juan Xu
- Institute of Applied Microbiology, Xinjiang Academy of Agricultural Sciences/Xinjiang Key Laboratory of Special Environmental Microbiology, Urumqi 830091, China
- College of Agronomy, Xinjiang Agricultural University, Urumqi 830052, China
| | - Xiao-Lu Liu
- School of Food Science and Pharmacy, Xinjiang Agricultural University, Urumqi 830052, China
- Institute of Applied Microbiology, Xinjiang Academy of Agricultural Sciences/Xinjiang Key Laboratory of Special Environmental Microbiology, Urumqi 830091, China
| | - Su-Qin Song
- Institute of Applied Microbiology, Xinjiang Academy of Agricultural Sciences/Xinjiang Key Laboratory of Special Environmental Microbiology, Urumqi 830091, China
| | - Zhong-Jun Ma
- Institute of Marine Biology, Ocean College, Zhejiang University, Zhoushan 316021, China
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5
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Huang YK, Zhang HS, Ye XD, Xu X, Chen PS, Ma ZJ, Wang XZ. [Application of a self-designed flat-tipped injection needle for hydrodynamic release of fecaliths embedded in the colonic diverticulum]. Zhonghua Wei Chang Wai Ke Za Zhi 2022; 25:1110-1113. [PMID: 36562235 DOI: 10.3760/cma.j.cn441530-20220609-00252] [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: 12/24/2022]
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Lu D, Song JH, Ma ZJ, Zhang PY, Xu L, Wei C, Chen Y, Zhou S, Zhu JF, Li YL, Zhao JQ, Zhu MX, Zhao R, Wang H, Chen XJ, Zhao W, Su C. [Study on mechanisms of Th17/Treg imbalance in patients with cystic echinococcosis based on miRNA expression profiles]. Zhongguo Xue Xi Chong Bing Fang Zhi Za Zhi 2022; 34:277-285. [PMID: 35896491 DOI: 10.16250/j.32.1374.2022052] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
OBJECTIVE To investigate the serum microRNA (miRNA) expression and examine the impact of miRNA expression profiles on T helper type 17 (Th17)/regulatory T cells (Treg) imbalance among patients with cystic echinococcosis, so as to provide insights into the illustration of the mechanisms underlying chronic Echinococcus granulosus infections, and long-term pathogenesis. METHODS Total RNA was extracted from the sera of cystic echinococcosis patients and healthy controls, and subjected to high-throughput sequencing with the Illumina sequencing platform. Known miRNAs were annotated and new miRNAs were predicted using the miRBase database and the miRDeep2 tool, and differentially expressed miRNAs were identified. The target genes of differentially expressed miRNAs were predicted using the software miRanda and TargetScan, and the intersection was selected for Gene Ontology (GO) enrichment analysis and Kyoto Encyclopedia of Genes and Genomes (KEGG) pathway analysis. Among the differentially expressed miRNAs with the 20 highest fold changes, miRNAs that targeted genes relating to key transcription factors RORC and FOXP3 that determine the production of Th17 and Treg cells or their important regulatory pathways (PI3K-Akt and mTOR pathways) were matched. RESULTS A total of 53 differentially expressed miRNAs were screened in sera of cystic echinococcosis patients and healthy controls, including 47 up-regulated miRNAs and 6 down-regulated miRNAs. GO enrichment analysis showed that these differentially expressed miRNA were involved DNA transcription and translation, cell components, cell morphology, neurodevelopment and metabolic decomposition, and KEGG pathway analysis showed that the differentially expressed miRNA were mainly involved in MAPK, PI3K-Akt and mTOR signaling pathways. Among the differentially expressed miRNAs with the 20 highest fold changes, there were 3 miRNAs that had a potential for target regulation of RORC, and 15 miRNAs that had a potential to target the PI3K-Akt and mTOR signaling pathways. CONCLUSIONS Significant changes are found in serum miRNA expression profiles among patients with E. granulosus infections, and differentially expressed miRNAs may lead to Th17/Treg imbalance through targeting the key transcription factors of Th17/Treg or PI3K-Akt and mTOR pathways, which facilitates the long-term parasitism of E. granulosus in hosts and causes a chronic disease.
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Affiliation(s)
- D Lu
- School of Basic Medical Sciences, Nanjing Medical University, Nanjing, Jiangsu 211166, China
- School of Public Health, Nanjing Medical University, Nanjing, Jiangsu 211166, China
- Co-first authors
| | - J H Song
- Medical Science and Technology Research Center, Ningxia Institute of Medical Science, Ningxia Medical University, Yinchuan, Ningxia 750004, China
- Co-first authors
| | - Z J Ma
- School of Public Health, Nanjing Medical University, Nanjing, Jiangsu 211166, China
- Nanjing Yike Population Health Research Institute, China
| | - P Y Zhang
- Nanjing Yike Population Health Research Institute, China
| | - L Xu
- School of Basic Medical Sciences, Nanjing Medical University, Nanjing, Jiangsu 211166, China
| | - C Wei
- School of Basic Medical Sciences, Nanjing Medical University, Nanjing, Jiangsu 211166, China
| | - Y Chen
- School of Basic Medical Sciences, Nanjing Medical University, Nanjing, Jiangsu 211166, China
| | - S Zhou
- School of Basic Medical Sciences, Nanjing Medical University, Nanjing, Jiangsu 211166, China
| | - J F Zhu
- School of Basic Medical Sciences, Nanjing Medical University, Nanjing, Jiangsu 211166, China
| | - Y L Li
- School of Basic Medical Sciences, Nanjing Medical University, Nanjing, Jiangsu 211166, China
| | - J Q Zhao
- Ningxia Key Laboratory of Prevention and Treatment of Common Infectious Diseases, School of Basic Medical Sciences, Ningxia Medical University, Yinchuan, Ningxia 750004, China
| | - M X Zhu
- Ningxia Key Laboratory of Prevention and Treatment of Common Infectious Diseases, School of Basic Medical Sciences, Ningxia Medical University, Yinchuan, Ningxia 750004, China
| | - R Zhao
- Shizuishan Center for Disease Control and Prevention, Ningxia Hui Autonomous Region, China
| | - H Wang
- School of International Education, Nanjing Medical University, China
| | - X J Chen
- School of Basic Medical Sciences, Nanjing Medical University, Nanjing, Jiangsu 211166, China
| | - W Zhao
- Ningxia Key Laboratory of Prevention and Treatment of Common Infectious Diseases, School of Basic Medical Sciences, Ningxia Medical University, Yinchuan, Ningxia 750004, China
| | - C Su
- School of Basic Medical Sciences, Nanjing Medical University, Nanjing, Jiangsu 211166, China
- School of Public Health, Nanjing Medical University, Nanjing, Jiangsu 211166, China
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Li Y, Ma ZJ, Zhang YQ. [The application of driver stress inventory in Chinese drivers and its reliability and validity test]. Zhonghua Yu Fang Yi Xue Za Zhi 2022; 56:365-369. [PMID: 35381661 DOI: 10.3760/cma.j.cn112150-20211125-01087] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
To explore and revise the factor structure, reliability and validity of the Chinese version of the Driver Stress Inventory (DSI) in the driver population in first-tier city of China. In this study, the questionnaire method was used to select the data collected by the "Research on the Driving Stress of Urban Salaries in Urban Traffic" carried out by the Institute of Psychology, Chinese Academy of Sciences in 2012, and a third-party survey agency was commissioned to select 300 people in Beijing, Shanghai, and Guangzhou respectively. A total of 900 drivers (with 889 valid data scales) were used to test their driving stress and other indicators by using the DSI and the self-compiled travel and stress relief scale. The test content collects driver self-reported stress data from five dimensions: Aggression, Dislike of driving, Hazard-Monitoring, Fatigue Proneness and Thrill-seeking. The DSI questionnaire of 445 cardinal numbers was revised by item analysis methods such as correlation test and T-test, and exploratory factor analysis method based on principal component analysis and optimal skew axis method (Promax).The results of item analysis showed that the total correlation coefficient of 10 items of the 48 items of the original DSI scale was lower than 0.3, and the total correlation coefficient of 6 items was not significant (r=-0.078-0.079, P>0.05), and the high and low groups were independent. There were significant differences in the results of the sample t test (t=-16.642-0.091, P<0.001), the 16 items were deleted, and the remaining 32 items; exploratory factor analysis showed that KMO=0.938>0.900, and the Bartlett's sphericity test result was significant (χ²=6 361.974, df=496, P<0.001), suitable for exploratory factor analysis, the results showed that 2 items constituted independent factors, did not meet the relevant standards of psychometrics and were deleted, and finally retained 30 items, and the internal consistency coefficient of the new scale was better than the original one(α=0.932>0.877); Based on the results of exploratory factor analysis, the model fitting indexes of 444 even-numbered samples such as RMSEA, SRMR, CFI and TLI were verified by confirmatory factor analysis, and the results showed that the index of each index was good (χ²=1 250.447, RMSEA=0.070, SRMR=0.068, CFI=0.839, TLI=0.823); criterion validity analysis found that each factor of the revised scale was significantly correlated with situational anxiety (r=0.190-0.556, P<0.01). In conclusion, the DSI (Chinese version) has good reliability and validity, and can be used as an assessment tool for driver stress in China.
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Affiliation(s)
- Y Li
- Key Laboratory of Mental Health, Institute of Psychology, Chinese Academy of Sciences/Department of Psychology, University of Chinese Academy of Sciences, Beijing 100101, China
| | - Z J Ma
- Key Laboratory of Mental Health, Institute of Psychology, Chinese Academy of Sciences/Department of Psychology, University of Chinese Academy of Sciences, Beijing 100101, China
| | - Y Q Zhang
- Key Laboratory of Mental Health, Institute of Psychology, Chinese Academy of Sciences/Department of Psychology, University of Chinese Academy of Sciences, Beijing 100101, China
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Sui Y, Qi L, Wu JK, Wen XP, Tang XX, Ma ZJ, Wu XC, Zhang K, Kokoska RJ, Zheng DQ, Petes TD. Genome-wide mapping of spontaneous genetic alterations in diploid yeast cells. Proc Natl Acad Sci U S A 2020; 117:28191-28200. [PMID: 33106417 PMCID: PMC7668089 DOI: 10.1073/pnas.2018633117] [Citation(s) in RCA: 37] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023] Open
Abstract
Genomic alterations including single-base mutations, deletions and duplications, translocations, mitotic recombination events, and chromosome aneuploidy generate genetic diversity. We examined the rates of all of these genetic changes in a diploid strain of Saccharomyces cerevisiae by whole-genome sequencing of many independent isolates (n = 93) subcloned about 100 times in unstressed growth conditions. The most common alterations were point mutations and small (<100 bp) insertion/deletions (n = 1,337) and mitotic recombination events (n = 1,215). The diploid cells of most eukaryotes are heterozygous for many single-nucleotide polymorphisms (SNPs). During mitotic cell divisions, recombination can produce derivatives of these cells that have become homozygous for the polymorphisms, termed loss-of-heterozygosity (LOH) events. LOH events can change the phenotype of the cells and contribute to tumor formation in humans. We observed two types of LOH events: interstitial events (conversions) resulting in a short LOH tract (usually less than 15 kb) and terminal events (mostly cross-overs) in which the LOH tract extends to the end of the chromosome. These two types of LOH events had different distributions, suggesting that they may have initiated by different mechanisms. Based on our results, we present a method of calculating the probability of an LOH event for individual SNPs located throughout the genome. We also identified several hotspots for chromosomal rearrangements (large deletions and duplications). Our results provide insights into the relative importance of different types of genetic alterations produced during vegetative growth.
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Affiliation(s)
- Yang Sui
- Institute of Marine Biology and Pharmacology, Ocean College, Zhejiang University, 316021 Zhoushan, China
- Department of Molecular Genetics and Microbiology, Duke University, Durham, NC 27705
| | - Lei Qi
- Institute of Marine Biology and Pharmacology, Ocean College, Zhejiang University, 316021 Zhoushan, China
- Department of Molecular Genetics and Microbiology, Duke University, Durham, NC 27705
| | - Jian-Kun Wu
- Institute of Marine Biology and Pharmacology, Ocean College, Zhejiang University, 316021 Zhoushan, China
| | - Xue-Ping Wen
- Institute of Marine Biology and Pharmacology, Ocean College, Zhejiang University, 316021 Zhoushan, China
| | - Xing-Xing Tang
- Institute of Marine Biology and Pharmacology, Ocean College, Zhejiang University, 316021 Zhoushan, China
| | - Zhong-Jun Ma
- Institute of Marine Biology and Pharmacology, Ocean College, Zhejiang University, 316021 Zhoushan, China
| | - Xue-Chang Wu
- Institute of Microbiology, College of Life Science, Zhejiang University, 310058 Hangzhou, China
| | - Ke Zhang
- Institute of Microbiology, College of Life Science, Zhejiang University, 310058 Hangzhou, China;
| | - Robert J Kokoska
- Physical Sciences Directorate, United States Army Research Office, Research Triangle Park, NC 27709
| | - Dao-Qiong Zheng
- Institute of Marine Biology and Pharmacology, Ocean College, Zhejiang University, 316021 Zhoushan, China;
| | - Thomas D Petes
- Department of Molecular Genetics and Microbiology, Duke University, Durham, NC 27705;
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Yu ZY, Jiang XY, Zhao RR, Luo CJ, Ren YX, Ma ZJ, Ye HL, Shi WG, Wang C, Jiao ZY. Lamin B1 deficiency promotes malignancy and predicts poor prognosis in gastric cancer. Neoplasma 2020; 67:1303-1313. [PMID: 32787434 DOI: 10.4149/neo_2020_200109n33] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2020] [Accepted: 06/23/2020] [Indexed: 11/08/2022]
Abstract
Gastric cancer (GC) is a kind of global malignancy. However, the expression pattern and clinical relevance of lamin B1 in GC remain to be elucidated. We endeavored to investigate how GC is influenced by lamin B1 and the related mechanisms. The lamin B1 expression in GC tissues from 71 patients was assessed by using immunohistochemistry (IHC). The expression of lamin B1 was connected with the clinical stage, depth of invasion, and poorer overall survival. Colony formation assays and methyl thiazolyl tetrazolium (MTT) were used to assess cell viability. The migration ability of GC cells was determined by cell scratch assay and Transwell invasion assay. Moreover, we used two cell lines of GC to explore the underlying mechanism of lamin B1 in boosting the GC cells proliferation and invasion in vitro by assessing the effects on related signal transduction pathways. Our data demonstrated that the expression level of lamin B1 was downregulated in GC tissues, and low expression level of lamin B1 was significantly correlated with higher clinical stage, depth of invasion, nodal stage, and poor prognosis. Moreover, in vitro experiments demonstrated that lamin B1 knockdown promoted, whereas lamin B1 overexpression inhibited, gastric cancer cell proliferation and migration. We also observed that lamin B1 knockdown could promote the activity of the PI3K/PTEN/Akt and MAPK/ERK pathway with a decrease in the p53/p21WAF1/CIP1 expression, whereas lamin B1 overexpression contributed to the opposite results. In conclusion, our studies indicate that lamin B1 deficiency is crucial in GC progression. Furthermore, the results elucidating the biological mechanisms of lamin B1 may potentially contribute to current GC treatment modalities.
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Affiliation(s)
- Z Y Yu
- Department of General Surgery, Lanzhou University Second Hospital, Lanzhou University, Lanzhou, China
| | - X Y Jiang
- Department of General Surgery, Lanzhou University Second Hospital, Lanzhou University, Lanzhou, China
| | - R R Zhao
- Department of Infectious Diseases, The First Hospital of Lanzhou University, Lanzhou University, Lanzhou , China
| | - C J Luo
- Department of General Surgery, Lanzhou University Second Hospital, Lanzhou University, Lanzhou, China
| | - Y X Ren
- Department of General Surgery, Lanzhou University Second Hospital, Lanzhou University, Lanzhou, China
| | - Z J Ma
- Cui-ying Experimental Center, Lanzhou University Second Hospital, Lanzhou University, Lanzhou, China
| | - H L Ye
- Cui-ying Experimental Center, Lanzhou University Second Hospital, Lanzhou University, Lanzhou, China
| | - W G Shi
- Cui-ying Experimental Center, Lanzhou University Second Hospital, Lanzhou University, Lanzhou, China
| | - C Wang
- Department of General Surgery, Lanzhou University Second Hospital, Lanzhou University, Lanzhou, China
| | - Z Y Jiao
- Department of General Surgery, Lanzhou University Second Hospital, Lanzhou University, Lanzhou, China
- Cui-ying Experimental Center, Lanzhou University Second Hospital, Lanzhou University, Lanzhou, China
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Abstract
Eleven new pyrimidine nucleosides (1-11) and 12 known analogues (12-23) were isolated from the marine-derived Streptomyces sp. SSA28. All of the new structures were elucidated by extensive NMR spectroscopic analysis and HRESIMS data. The absolute configurations of compound 1 were determined by X-ray diffraction. The configurations of 2-16 were investigated by ECD calculations. Compounds 11-16 showed cytotoxicity against HCT-116 human colon cancer cell lines with IC50 values from 0.39 ± 0.03 to 6.63 ± 0.47 μM.
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Affiliation(s)
- Cheng-Dong Xu
- Institute of Marine Biology and Pharmacology, Ocean College , Zhejiang University , Zhoushan 316021 , People's Republic of China
| | - Hao-Jian Zhang
- Institute of Marine Biology and Pharmacology, Ocean College , Zhejiang University , Zhoushan 316021 , People's Republic of China
| | - Zhong-Jun Ma
- Institute of Marine Biology and Pharmacology, Ocean College , Zhejiang University , Zhoushan 316021 , People's Republic of China
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11
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Huang Y, Jiang Q, Chen YH, Zhang DS, Ding WJ, Ma ZJ. A new medermycin analog from the marine-derived actinomycetes Streptomyces sp. ZS-A45. J Asian Nat Prod Res 2019; 21:826-831. [PMID: 29947258 DOI: 10.1080/10286020.2018.1478814] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/10/2017] [Accepted: 05/16/2018] [Indexed: 06/08/2023]
Abstract
A new medermycin analog (1) was isolated from the marine-derived actinomycetes Streptomyces sp. ZS-A45. The structure elucidation of compound 1 was determined by the HRESIMS and extensive NMR analysis. And compound 1 exhibited significant cytotoxicity against PC3 cell lines with IC50 values of 0.81 ± 0.42 μm.
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Affiliation(s)
- Yun Huang
- a Institute of Marine Biology , Ocean College, Zhejiang University , Zhoushan 316021 , China
| | - Qing Jiang
- a Institute of Marine Biology , Ocean College, Zhejiang University , Zhoushan 316021 , China
| | - Yu-Hong Chen
- a Institute of Marine Biology , Ocean College, Zhejiang University , Zhoushan 316021 , China
| | - Da-Shan Zhang
- a Institute of Marine Biology , Ocean College, Zhejiang University , Zhoushan 316021 , China
| | - Wan-Jing Ding
- a Institute of Marine Biology , Ocean College, Zhejiang University , Zhoushan 316021 , China
| | - Zhong-Jun Ma
- a Institute of Marine Biology , Ocean College, Zhejiang University , Zhoushan 316021 , China
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12
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Abstract
Purmedermycin A (1) and purmedermycin B (2), which were isolated from Streptomyces sp. SS17A, feature a rearranged and reconstructed C/D/E ring formed by the fusion of a tryptophan unit and medermycin or menoxymycin B, respectively, making them the first of a new type of medermycin.
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Affiliation(s)
- Biao Zhou
- Institute of Marine Biology
- Ocean College
- Zhejiang University
- Zhoushan 316021
- People's Republic of China
| | - Yong-Jun Jiang
- Institute of Marine Biology
- Ocean College
- Zhejiang University
- Zhoushan 316021
- People's Republic of China
| | - Jia-Qi Li
- Institute of Marine Biology
- Ocean College
- Zhejiang University
- Zhoushan 316021
- People's Republic of China
| | - Hao-Jian Zhang
- Institute of Marine Biology
- Ocean College
- Zhejiang University
- Zhoushan 316021
- People's Republic of China
| | - Wan-Jing Ding
- Institute of Marine Biology
- Ocean College
- Zhejiang University
- Zhoushan 316021
- People's Republic of China
| | - Zhong-Jun Ma
- Institute of Marine Biology
- Ocean College
- Zhejiang University
- Zhoushan 316021
- People's Republic of China
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Jiang YJ, Zhang DS, Zhang HJ, Li JQ, Ding WJ, Xu CD, Ma ZJ. Medermycin-Type Naphthoquinones from the Marine-Derived Streptomyces sp. XMA39. J Nat Prod 2018; 81:2120-2124. [PMID: 30209946 DOI: 10.1021/acs.jnatprod.8b00544] [Citation(s) in RCA: 26] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
Four new medermycin-type naphthoquinones, strepoxepinmycins A-D (1-4), and one known compound, medermycin (5), were identified from Streptomyces sp. XMA39. Their structures were elucidated by analysis of HRESIMS, 1D and 2D NMR spectroscopic data, and ECD calculations. Among these compounds, strepoxepinmycin A (1) represents a rare 5,10-oxepindione ring system typically formed by a Baeyer-Villiger oxidation, and strepoxepinmycin B (2) is an isolation artifact derived from 1. Bioactivity evaluations of these compounds showed that compounds 3 and 4 exhibited cytotoxicity against HCT-116 and PC-3 cancer cell lines and 4 exhibited moderate inhibition of ROCK 2 protein kinase. In addition, all of the new compounds showed antibacterial activity against Escherichia coli and methicillin-resistant Staphylococcus aureus and antifungal activity against Candida albicans.
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Affiliation(s)
- Yong-Jun Jiang
- Institute of Marine Biology, Ocean College , Zhejiang University , Zhoushan 316021 , People's Republic of China
| | - Da-Shan Zhang
- Institute of Marine Biology, Ocean College , Zhejiang University , Zhoushan 316021 , People's Republic of China
| | - Hao-Jian Zhang
- Institute of Marine Biology, Ocean College , Zhejiang University , Zhoushan 316021 , People's Republic of China
| | - Jia-Qi Li
- Institute of Marine Biology, Ocean College , Zhejiang University , Zhoushan 316021 , People's Republic of China
| | - Wan-Jing Ding
- Institute of Marine Biology, Ocean College , Zhejiang University , Zhoushan 316021 , People's Republic of China
| | - Cheng-Dong Xu
- Institute of Marine Biology, Ocean College , Zhejiang University , Zhoushan 316021 , People's Republic of China
| | - Zhong-Jun Ma
- Institute of Marine Biology, Ocean College , Zhejiang University , Zhoushan 316021 , People's Republic of China
- Ocean Academy , Zhejiang University , Zhoushan 316021 , People's Republic of China
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Ma ZJ, Xia XT, Chen SM, Zhao XC, Zeng LL, Xie YL, Chao SY, Xu JT, Sun YG, Li RZ, Guanque ZX, Han JL, Lei CZ. Identification and diversity of Y-chromosome haplotypes in Qinghai yak populations. Anim Genet 2018; 49:618-622. [PMID: 30229981 DOI: 10.1111/age.12723] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 06/07/2018] [Indexed: 01/12/2023]
Abstract
The aim of the present study was to perform a preliminary analysis of the characterization and diversity of Y-chromosome haplotypes/haplogroups in yak of Qinghai Province, China. A total of 322 male yaks from nine populations belonging to three officially recognized breeds (Gaoyuan, Huanhu and Datong) were sampled. Animals were genotyped using six previously reported Y-SNPs present in the SRY, USP9Y, UTY, AMELY and OFD1Y genes and four new Y-SNPs in the OFD1Y gene (g.569A>C, g.578A>C, g.608G>T and g.653G>C) identified in this study. Seven Y-chromosome haplotypes (H1-H7) were identified according to the combination of the 10 Y-SNPs. H1, H2 and H6 were the most common and shared haplotypes across all yak populations/breeds. Private haplotypes H3 and H7 were detected in the Datong breed; H4 in Guoleimude, Qumalai, Qilian, Tianjun and Ganglong populations; and H5 in Qumalai of Gaoyuan breed. Haplotype clustering and network analyses inferred two haplogroups, Y1 and Y2, indicating two divergent lineages of paternal origins of Qinghai yak. The analysis of molecular variance showed a significant difference among individuals (P < 0.0001) with more than 93% of the total genetic variation present within populations, suggesting a weak genetic structure among Qinghai yak populations. The overall Y-haplotype diversity was 0.538 ± 0.028, showing a relatively high diversity in Qinghai yak. The Gaoyuan and Datong breeds had similar haplotype diversities (0.547 ± 0.030 and 0.553 ± 0.083, respectively), which were higher than that of the Huanhu breed (0.441 ± 0.098). Our results support the conservation and sustainable use of unique yak genetic resources in Qinghai.
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Affiliation(s)
- Z J Ma
- Key Laboratory of Animal Genetics, Breeding and Reproduction of Shaanxi Province, College of Animal Science and Technology, Northwest A&F University, Yangling, Shaanxi, 712100, China
- Academy of Animal Science and Veterinary Medicine, Qinghai University, Xining, Qinghai, 810016, China
| | - X T Xia
- Key Laboratory of Animal Genetics, Breeding and Reproduction of Shaanxi Province, College of Animal Science and Technology, Northwest A&F University, Yangling, Shaanxi, 712100, China
| | - S M Chen
- Academy of Animal Science and Veterinary Medicine, Qinghai University, Xining, Qinghai, 810016, China
| | - X C Zhao
- Key Laboratory of Animal Genetics, Breeding and Reproduction of Shaanxi Province, College of Animal Science and Technology, Northwest A&F University, Yangling, Shaanxi, 712100, China
| | - L L Zeng
- Key Laboratory of Animal Genetics, Breeding and Reproduction of Shaanxi Province, College of Animal Science and Technology, Northwest A&F University, Yangling, Shaanxi, 712100, China
| | - Y L Xie
- Golmud Station of Animal Husbandry and Veterinary, Haixi Autonomous Prefecture of Qinghai Province, Golmud, Qinghai, 816000, China
| | - S Y Chao
- Animal Epidemic Disease Prevention and Control Center, Haixi Autonomous Prefecture of Qinghai Province, Delingha, Qinghai, 817099, China
| | - J T Xu
- Academy of Animal Science and Veterinary Medicine, Qinghai University, Xining, Qinghai, 810016, China
| | - Y G Sun
- Academy of Animal Science and Veterinary Medicine, Qinghai University, Xining, Qinghai, 810016, China
| | - R Z Li
- Academy of Animal Science and Veterinary Medicine, Qinghai University, Xining, Qinghai, 810016, China
| | - Z X Guanque
- General Station of Animal Husbandry of Qinghai Province, Xining, 810008, China
| | - J L Han
- CAAS-ILRI Joint Laboratory on Livestock and Forage Genetic Resources, Institute of Animal Science, Chinese Academy of Agricultural Sciences (CAAS), Beijing, 100193, China
- International Livestock Research Institute (ILRI), Nairobi, 00100, Kenya
| | - C Z Lei
- Key Laboratory of Animal Genetics, Breeding and Reproduction of Shaanxi Province, College of Animal Science and Technology, Northwest A&F University, Yangling, Shaanxi, 712100, China
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Liu BY, Yang L, Wang BJ, Wang ZH, Cheng LL, Xie H, Qiu X, Ma ZJ, Zhao DW. [Prevention for glucocorticoid-induced osteonecrosis of femoral head: a long-term clinical follow-up trail]. Zhonghua Yi Xue Za Zhi 2018; 97:3213-3218. [PMID: 29141357 DOI: 10.3760/cma.j.issn.0376-2491.2017.41.004] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Objective: To evaluated the outcome of prevention and treatment for glucocorticoid-induced osteonecrosis of femoral head with anticoagulant and vasodilator drugs. Methods: A prospective, randomized, double-blind study was performed. From August 2003 to August 2006, 58 patients with large amounts of hormone therapy in the Zhongshan Hospital Affiliated Dalian University were enrolled and randomly assigned to the control group (placebo) or preventive group (anticoagulant and vasodilator drugs). And we prospectively analyzed the clinical outcomes of 24 patients with glucocorticoid-induced osteonecrosis of femoral head early stage (treatment group)treated by anticoagulant and vasodilator drugsat the same time. Disease incidence rate and progression were evaluated by radiography and magnetic resonance imaging (MRI), Follow-up of patients with femoral head survival curve was drawn. The Harris Hip Score and the Short Form 36 health survey were used to rate hip function and quality of life, respectively. Results: Thus, a total of 80 patients were assessed in this study, 24 cases in control group[follow up from 7.5 to 13.0(10.7±1.6)years], 22 cases in preventive group and 24 cases in treatment group. There was significant difference in theincidence rate of Osteonecrosis of femoral head, survive rate of femoral head and HHS score between the control groupand preventive group(41.7% vs 13.6%, 66.7% vs 70.8% , P<0.01). Conclusion: Anticoagulant and vasodilator drugs could effect on preventing theglucocorticoid-induced osteonecrosis of femoral head, reducing disease progression, or improving life quality.
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Affiliation(s)
- B Y Liu
- Department of Orthopedic, Zhongshan Hospital of Dalian University, Dalian 116001, China
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Abstract
Nine new indolocarbazoles (1-9) were isolated from the marine-derived Streptomyces sp. DT-A61. Among them compounds 1-8 featured a hydroxy group at the C-3 or C-9 position. All purified compounds were identified by 1D and 2D NMR and HRESIMS data. The absolute configurations of 4-6, 8, and 9 were determined by electronic circular dichroism spectroscopic data. Compound 7 exhibited significant activity against human prostate PC-3 cancer cells with an IC50 value of 0.16 μM. Compounds 1, 5, 6, and 9 showed moderate inhibition against the same cell line with IC50 values of 8.0, 3.6, 3.1, and 5.6 μM. Compound 2 displayed a notable inhibitory effect against Rho-associated protein kinase (ROCK2) with an IC50 value of 5.7 nM, which was similar to the positive control staurosporine (IC50 7.8 nM).
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Affiliation(s)
- Jia-Nan Wang
- Institute of Marine Biology, Ocean College , Zhejiang University , No. 1 Zheda Road , Zhoushan 316021 , People's Republic of China
| | - Hao-Jian Zhang
- Institute of Marine Biology, Ocean College , Zhejiang University , No. 1 Zheda Road , Zhoushan 316021 , People's Republic of China
| | - Jia-Qi Li
- Institute of Marine Biology, Ocean College , Zhejiang University , No. 1 Zheda Road , Zhoushan 316021 , People's Republic of China
| | - Wan-Jing Ding
- Institute of Marine Biology, Ocean College , Zhejiang University , No. 1 Zheda Road , Zhoushan 316021 , People's Republic of China
| | - Zhong-Jun Ma
- Institute of Marine Biology, Ocean College , Zhejiang University , No. 1 Zheda Road , Zhoushan 316021 , People's Republic of China
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Ma ZJ, Hu SL, Wang SS, Guo X, Zhang XN, Sun B, Chen LM. [Effects and underlying mechanism of berberine on renal tubulointerstitial injury in diabetic rats]. Zhonghua Yi Xue Za Zhi 2018; 96:3072-3077. [PMID: 27784448 DOI: 10.3760/cma.j.issn.0376-2491.2016.38.008] [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 effect of Berberine on renal tubulointerstitial injury and its potential mechanism in rats with type 2 diabetes mellitus (T2DM). Methods: Thirty Sprague-Dawley rats were randomly divided into 3 groups: normal control rats (NC group), diabetic rats without drug treatment (DM group), diabetic rats treated with Berberine (BBR group) for 8 weeks. At the end of the study, blood and urine samples were collected for biochemical examination, and tubulointerstitial fibrosis was quantified by Hematoxylin and Eosin (HE) and Masson staining. The expressions of E-cadherin (E-cad), α-smooth muscle actin (α-SMA), nuclear factor-κB (NF-κB) and monocyte chemoattractant protein 1 (MCP-1) were detected by immunohistochemistry analysis, real-time polymerase chain reaction (RT-PCR) and Western blot analysis. Results: 24 h urinary microalbumin (mAlb)[(170.5±58.1) vs (253.7±53.0) mg]and urinary N-acetyl-glucosaminidase (NAG)[(33.5±7.2) vs (49.5±9.3)U/L]in diabetic rats were significantly decreased by BBR treatment(both P<0.05). The apparent renal tubulointerstitial injury was found in the DM group, which was ameliorated by BBR treatment. The expression of α-SMA, NF-κB and MCP-1 were significantly decreased, accompanied by increased expression of E-cad in BBR-treated DM rats (all P<0.05). Conclusion: BBR could ameliorate renal tubulointerstitial injury in diabetic rats, the mechanism of which may be associated with the amelioration of epithelial-mesenchymal transition (EMT) through suppressing the expression of the NF-κB and MCP-1.
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Affiliation(s)
- Z J Ma
- Key Laboratory of Hormones and Development (Ministry of Health), Metabolic Diseases Hospital & Tianjin Institute of Endocrinology, Tianjin Medical University, Tianjin 300070, China
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Abstract
Eight new cyclizidine-type alkaloids (1-8) and one known alkaloid (9) were identified from the chemical investigations of a marine-derived actinomycete, Streptomyces sp. HNA39. Among these alkaloids, compounds 3, 7, and 8 contain a chlorine atom, and the known alkaloid, (+)-ent-cyclizidine (9), is now first reported as a natural product. Their structures were elucidated by extensive NMR-spectroscopic analysis and HRESIMS data. The absolute configurations of all of the compounds were established by ECD calculations. Cytotoxicity evaluations of all of the compounds showed that compound 2 exhibited significant activity against the PC3 and HCT116 human-cancer-cell lines with IC50 values of 0.52 ± 0.03 and 8.3 ± 0.1 μM, respectively. Interestingly, compounds 2, 5, 7, and 8 exhibited moderate inhibition against the ROCK2 protein kinase with IC50 values from 7.0 ± 0.8 to 42 ± 3 μM.
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Affiliation(s)
- Yong-Jun Jiang
- Institute of Marine Biology, Ocean College, Zhejiang University , Zhoushan 316021, People's Republic of China
| | - Jia-Qi Li
- Institute of Marine Biology, Ocean College, Zhejiang University , Zhoushan 316021, People's Republic of China
| | - Hao-Jian Zhang
- Institute of Marine Biology, Ocean College, Zhejiang University , Zhoushan 316021, People's Republic of China
| | - Wan-Jing Ding
- Institute of Marine Biology, Ocean College, Zhejiang University , Zhoushan 316021, People's Republic of China
| | - Zhong-Jun Ma
- Institute of Marine Biology, Ocean College, Zhejiang University , Zhoushan 316021, People's Republic of China
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20
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Affiliation(s)
- Hui Ding
- Institute of Marine Biology; Ocean College; Zhejiang University; Zhoushan Campus, No. 1 Zheda Road Zhoushan 316021 P. R. China
| | - Jia-Nan Wang
- Institute of Marine Biology; Ocean College; Zhejiang University; Zhoushan Campus, No. 1 Zheda Road Zhoushan 316021 P. R. China
| | - Da-Shan Zhang
- Institute of Marine Biology; Ocean College; Zhejiang University; Zhoushan Campus, No. 1 Zheda Road Zhoushan 316021 P. R. China
| | - Zhong-Jun Ma
- Institute of Marine Biology; Ocean College; Zhejiang University; Zhoushan Campus, No. 1 Zheda Road Zhoushan 316021 P. R. China
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21
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Gaziano JM, Cincotta AH, O'Connor CM, Ezrokhi M, Rutty D, Ma ZJ, Scranton RE. Erratum. Randomized Clinical Trial of Quick-Release Bromocriptine Among Patients With Type 2 Diabetes on Overall Safety and Cardiovascular Outcomes. Diabetes Care 2016; 39:1846. [PMID: 27660123 PMCID: PMC6908412 DOI: 10.2337/dc16-er10] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
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Affiliation(s)
- Zhi-Fei Hu
- Institute of Marine Biology & Natural Products, Ocean College, Zhejiang Univesity, Hangzhou, China
| | - Le-Le Qin
- Institute of Marine Biology & Natural Products, Ocean College, Zhejiang Univesity, Hangzhou, China
| | - Wan-Jing Ding
- Institute of Marine Biology & Natural Products, Ocean College, Zhejiang Univesity, Hangzhou, China
| | - Yu Liu
- State Key Laboratory of Plant Physiology and Biochemistry, College of Life Sciences, Zhejiang University, Hangzhou, China
| | - Zhong-Jun Ma
- Institute of Marine Biology & Natural Products, Ocean College, Zhejiang Univesity, Hangzhou, China
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Abstract
To further explore Y-STR INRA189 polymorphisms in the yak, and to determine the genetic differences among yak breeds, genotyping analysis of INRA189 in 102 male yak individuals from three yak breeds in Qinghai Province of China was performed. Genotyping revealed the presence of four alleles, with sizes of 149, 155, 157, and 159 bp, respectively. Of these, the 157-bp allele, which was found with the highest frequency in the three yak breeds, was the dominant allele. Interestingly, the 149-bp allele was only detected in the Gaoyuan breed, and the 159-bp allele was only found in the Huanhu and Datong breeds. Only the 157- and 155-bp alleles were found in all three yak breeds. Taking the three yak breeds as a single population, the frequency of these four alleles was 0.0294, 0.0686, 0.8628, and 0.0392, respectively. The average polymorphism information content in the three yak breeds was 0.2379, indicating that the INRA189 was a low polymorphic Y-STR marker in yak.
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Affiliation(s)
- Z J Ma
- College of Animal Science and Technology, Northwest A&F University, Yangling, China.,Qinghai Academy of Animal Science and Veterinary Medicine, Qinghai University, Xining, China
| | - S M Chen
- Qinghai Academy of Animal Science and Veterinary Medicine, Qinghai University, Xining, China
| | - Y G Sun
- Qinghai Academy of Animal Science and Veterinary Medicine, Qinghai University, Xining, China
| | - Y L Xi
- College of Animal Science and Technology, Northwest A&F University, Yangling, China
| | - R Z Li
- Qinghai Academy of Animal Science and Veterinary Medicine, Qinghai University, Xining, China
| | - J T Xu
- Qinghai Academy of Animal Science and Veterinary Medicine, Qinghai University, Xining, China
| | - C Z Lei
- College of Animal Science and Technology, Northwest A&F University, Yangling, China
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Song QQ, Chai ZX, Xin JW, Zhao SJ, Ji QM, Zhang CF, Ma ZJ, Zhong JC. Genetic diversity and classification of Tibetan yak populations based on the mtDNA COIII gene. Genet Mol Res 2015; 14:1763-70. [PMID: 25867320 DOI: 10.4238/2015.march.13.3] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Abstract
To determine the level of genetic diversity and phylogenetic relationships among Tibetan yak populations, the mitochondrial DNA cytochrome c oxidase subunit 3 (COIII) genes of 378 yak individuals from 16 populations were analyzed in this study. The results showed that the length of cytochrome c oxidase subunit 3 gene sequences was 781 bp, with nucleotide frequencies of 29.2, 29.4, 26.1, and 15.2% for T, C, A, and G, respectively. A total of 26 haplotypes were identified, with 69 polymorphic sites, including 11 parsimony-informative sites and 58 single-nucleotide polymorphism sites. No deletions/insertions were found in sequence comparison, indicating that nucleotide mutation types were transitions and transversions. Haplotype and nucleotide diversities were 0.562 and 0.00138, respectively, indicating a high level of genetic diversity in Tibetan yak populations. Phylogenetic relationship analysis indicated that Tibetan yak populations are divided into 2 groups.
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Affiliation(s)
- Q Q Song
- Key Laboratory of Animal Genetics and Breeding, State Ethnic Affairs Commission and Ministry of Education, Southwest University for Nationalities, Chengdu, China
| | - Z X Chai
- Key Laboratory of Animal Genetics and Breeding, State Ethnic Affairs Commission and Ministry of Education, Southwest University for Nationalities, Chengdu, China
| | - J W Xin
- Institute of Animal Science and Veterinary, Tibet Academy of Agricultural and Animal Husbandry Sciences, Lhasa, China
| | - S J Zhao
- Key Laboratory of Animal Genetics and Breeding, State Ethnic Affairs Commission and Ministry of Education, Southwest University for Nationalities, Chengdu, China
| | - Q M Ji
- Institute of Animal Science and Veterinary, Tibet Academy of Agricultural and Animal Husbandry Sciences, Lhasa, China
| | - C F Zhang
- Institute of Animal Science and Veterinary, Tibet Academy of Agricultural and Animal Husbandry Sciences, Lhasa, China
| | - Z J Ma
- Institute of Animal Science, Qinghai Academy of Animal Science and Veterinary Medicine, Xining, China
| | - J C Zhong
- Key Laboratory of Animal Genetics and Breeding, State Ethnic Affairs Commission and Ministry of Education, Southwest University for Nationalities, Chengdu, China
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Abstract
The 95% ethanol extract of the whole plant of Physalis angulata Linn. afforded one new skeletal physalin named aminophysalin A (1) and one new naturally occurring 5β-hydroxy-6a-chloro-5,6-dihydrophysalin B (2), together with five known physalins (3-7). Their structures were elucidated through MS, IR, NMR spectroscopy analyses and X-ray crystallography. Aminophysalin A (1) had an absolutely unusual structural feature in the chemistry of physalins with a nitrogen atom. Compounds 1-7 were evaluated for quinone reductase activities in hepa 1c1c7 cells. Physalin H (6) showed strong quinone reductase induction activity with IR (Induction ratio, QR induction activity) value of 3.74±0.02, using 4-bromoflavone as a positive control substance (2.17±0.01, 10 μg/mL), while compounds 1, 2, 3, 5 showed weak quinone reductase induction activity.
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Affiliation(s)
- Rui-Zhi Men
- Key Laboratory of Structure-Based Drug Design & Discovery of Ministry of Education, Shenyang Pharmaceutical University, No. 103 Wenhua Road, Shenyang 110016, China
| | - Ning Li
- Key Laboratory of Structure-Based Drug Design & Discovery of Ministry of Education, Shenyang Pharmaceutical University, No. 103 Wenhua Road, Shenyang 110016, China
| | - Wan-Jing Ding
- Institute of Marine Biology, Ocean College, Zhejiang University, Zijingang Campus, No. 866 Yuhangtang Road, Hangzhou 310058, PR China
| | - Zhi-Juan Hu
- Institute of Marine Biology, Ocean College, Zhejiang University, Zijingang Campus, No. 866 Yuhangtang Road, Hangzhou 310058, PR China
| | - Zhong-Jun Ma
- Institute of Marine Biology, Ocean College, Zhejiang University, Zijingang Campus, No. 866 Yuhangtang Road, Hangzhou 310058, PR China.
| | - Lin Cheng
- Chinese Traditional Medicine Hospital of Zhejiang Province, No. 54 Youdian Road, Hangzhou 310006, PR China
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Shen Y, Lu B, Zhang S, Ma ZJ. Diterpenoid C of Radix Curcumae: an inhibitor of proliferation and inducer of apoptosis in human colon adenocarcinoma cells acting via inhibiting MAPK signaling pathway. Pharm Biol 2014; 52:1158-1165. [PMID: 24646305 DOI: 10.3109/13880209.2013.879907] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/03/2023]
Abstract
CONTEXT Radix Curcumae is a traditional Chinese medicine that possesses antitumor properties, from which a new compound, diterpenoid C, was previously isolated and characterized. OBJECTIVE In this study, using human colon adenocarcinoma SW620 cells, we further investigated the antitumor effects of diterpenoid C and the underlying mechanisms. MATERIALS AND METHODS Cell proliferation was assessed with the MTT assay. Cell apoptosis and cell-cycle progression were analyzed with flow cytometry. The expression of extracellular signal-regulated kinase (ERK), c-Jun N-terminal kinase (JNK), p38 mitogen-activated protein kinase (p38 MAPK), and their phosphorylated forms, as well as caspase-3 protein levels were examined with Western blots. RESULTS Diterpenoid C could inhibit the proliferation of SW620 cells in a dose- and time-dependent manner. The median inhibitory concentration (IC50) at 24, 48, and 72 h were 28.31, 15.58, and 6.14 μg/ml, respectively. The inhibition of proliferation was found to be statistically significant as compared with the well-established drugs 5-fluorouracil (5-Fu) and oxaliplatin (L-OHP) (p < 0.01). Diterpenoid C also induced apoptosis and arrested cell cycle. It showed the highest apoptosis rate (98.20 ± 0.91%) at 70 μg/ml, at 72 h. Meanwhile, diterpenoid C suppressed the phosphorylation of ERK, JNK, and p38 MAPK proteins, and markedly induced the cleavage of caspase 3. DISCUSSION AND CONCLUSION Diterpenoid C inhibits proliferation and induces apoptosis of cancer cells by suppressing the MAPK signaling pathway and inducing apoptotic factor caspase-3. Our results suggest that this novel compound might become a potent chemotherapeutic agent for the treatment of colon cancer and further studies are warranted.
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Affiliation(s)
- Yan Shen
- Department of Gastroenterology, the First Affiliated Hospital of Zhejiang Chinese Medical University , Hangzhou, Zhejiang Province , China
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Bai WL, Yin RH, Zhao SJ, Jiang WQ, Yin RL, Ma ZJ, Wang ZY, Zhu YB, Luo GB, Yang RJ, Zhao ZH. Technical note: Selection of suitable reference genes for studying gene expression in milk somatic cell of yak (Bos grunniens) during the lactation cycle. J Dairy Sci 2013; 97:902-10. [PMID: 24342693 DOI: 10.3168/jds.2012-6437] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2012] [Accepted: 10/28/2013] [Indexed: 12/17/2022]
Abstract
Quantitative real-time PCR is the most sensitive technique for gene expression analysis. Data normalization is essential to correct for potential errors incurred in all steps from RNA isolation to PCR amplification. The commonly accepted approach for normalization is the use of reference gene. Until now, no suitable reference genes have been available for data normalization of gene expression in milk somatic cells of lactating yaks across lactation. In the present study, we evaluated the transcriptional stability of 10 candidate reference genes in milk somatic cells of lactating yak, including ACTB, B2M, GAPDH, GTP, MRPL39, PPP1R11, RPS9, RPS15, UXT, and RN18S1. Four genes, RPS9, PPP1R11, UXT, and MRPL39, were identified as being the most stable genes in milk somatic cells of lactating yak. Using the combination of RPS9, PPP1R11, UXT, and MRPL39 as reference genes, we further assessed the relative expression of 4 genes of interest in milk somatic cells of yak across lactation, including ELF5, ABCG2, SREBF2, and DGAT1. Compared with expression in colostrum, the overall transcription levels of ELF5, ABCG2, and SREBF2 in milk were found to be significantly upregulated in early, peak, and late lactation, and significantly downregulated thereafter, before the dry period. A similar pattern was observed in the relative expression of DGAT1, but no significant difference was revealed in its expression in milk from late lactation compared with colostrum. Based on these results, we suggest that the geometric mean of RPS9, PPP1R11, UXT, and MRPL39 can be used for normalization of real-time PCR data in milk somatic cells of lactating yak, if similar experiments are performed.
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Affiliation(s)
- W L Bai
- College of Animal Science and Veterinary Medicine, Shenyang Agricultural University, Shenyang 110866, China
| | - R H Yin
- College of Animal Science and Veterinary Medicine, Shenyang Agricultural University, Shenyang 110866, China.
| | - S J Zhao
- Institute of Biotechnology, Animal Science Research Academy of Sichuan Province, Chengdu 610066, China
| | - W Q Jiang
- College of Animal Science and Veterinary Medicine, Shenyang Agricultural University, Shenyang 110866, China
| | - R L Yin
- Research Academy of Animal Husbandry and Veterinary Medicine Sciences of Jilin Province, Changchun 130062, China
| | - Z J Ma
- Academy of Animal Science and Veterinary Medicine, Qinghai University, Xining 810016, China
| | - Z Y Wang
- College of Animal Science and Veterinary Medicine, Shenyang Agricultural University, Shenyang 110866, China
| | - Y B Zhu
- College of Animal Science and Veterinary Medicine, Shenyang Agricultural University, Shenyang 110866, China
| | - G B Luo
- College of Animal Science and Veterinary Medicine, Shenyang Agricultural University, Shenyang 110866, China
| | - R J Yang
- College of Animal Science and Veterinary Medicine, Jilin University, Changchun 130062, China
| | - Z H Zhao
- College of Animal Science and Veterinary Medicine, Jilin University, Changchun 130062, China.
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Chen XQ, Wang F, Zheng YL, Fan QX, Yue DL, Ma ZJ. Association between the c.910A>G genetic variant of the XRCC1 gene and susceptibility to esophageal cancer in the Chinese Han population. Braz J Med Biol Res 2013; 46:1028-1032. [PMID: 24345911 PMCID: PMC3935274 DOI: 10.1590/1414-431x20133396] [Citation(s) in RCA: 4] [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: 07/24/2013] [Accepted: 08/21/2013] [Indexed: 12/11/2022] Open
Abstract
Esophageal cancer (EC) is a common malignancy worldwide. The X-ray repair cross-complementing 1 gene (XRCC1) is one of the most important candidate genes for influencing susceptibility to EC. This study aimed to investigate the effect of XRCC1 genetic variants on susceptibility to EC. A total of 383 EC patients (males: 239, females: 144, mean age: 56.62) and 387 cancer-free controls (males: 251, females: 136, mean age: 58.23) were enrolled in this study. The c.910A>G genetic variant of the XRCC1 gene was determined by polymerase chain reaction-restriction fragment length polymorphism and DNA sequencing methods. The allele and genotype frequencies indicated statistical differences between EC patients and cancer-free controls. The c.910A>G genetic variant was statistically associated with increased susceptibility to EC [GG vs AA: odds ratio (OR)=1.79, 95% confidence interval (CI)=1.12-2.86, P=0.014; GG vs AG/AA: OR=1.76, 95%CI=1.13-2.75, P=0.013; G vs A: OR=1.25, 95%CI=1.01-1.55, P=0.041]. The allele G and genotype GG could contribute to the increased susceptibility to EC. Our findings suggest that the c.910A>G genetic variant is associated with susceptibility to EC in the Chinese Han population, and might be used as a molecular marker for detecting susceptibility to EC.
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Affiliation(s)
- X Q Chen
- Zhengzhou University, The First Affiliated Hospital, Department of Internal Medicine-Oncology, ZhengzhouHenan Province, China
| | - F Wang
- Zhengzhou University, The First Affiliated Hospital, Department of Internal Medicine-Oncology, ZhengzhouHenan Province, China
| | - Y L Zheng
- Zhengzhou University, The First Affiliated Hospital, Department of Internal Medicine-Oncology, ZhengzhouHenan Province, China
| | - Q X Fan
- Zhengzhou University, The First Affiliated Hospital, Department of Internal Medicine-Oncology, ZhengzhouHenan Province, China
| | - D L Yue
- Zhengzhou University, The First Affiliated Hospital, Department of Internal Medicine-Oncology, ZhengzhouHenan Province, China
| | - Z J Ma
- Zhengzhou University, The First Affiliated Hospital, Department of Internal Medicine-Oncology, ZhengzhouHenan Province, China
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Bai WL, Yin RH, Yang RJ, Khan WA, Ma ZJ, Zhao SJ, Jiang WQ, Wang ZY, Zhu YB, Luo GB, Zhao ZH. Technical note: identification of suitable normalizers for microRNA expression analysis in milk somatic cells of the yak (Bos grunniens). J Dairy Sci 2013; 96:4529-34. [PMID: 23684019 DOI: 10.3168/jds.2013-6603] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2013] [Accepted: 04/12/2013] [Indexed: 12/16/2022]
Abstract
MicroRNA are approximately 18- to 22-nucleotide nonprotein coding molecules that play important roles in the regulation of gene expression at the posttranscriptional level. In the present study, we assessed the suitability of 8 noncoding small RNA as normalizers for microRNA (miR) quantitative analysis in milk somatic cells of lactating yaks, including 3 small nuclear RNA (snRNA; RNU1A, RNU5A, and RNU6B), 3 small nucleolar RNA (snoRNA; SNORA73A, Z30, and SNORA74A), 1 rRNA (5S), and 1 transfer RNA (Met-tRNA). The snRNA RNU1A, RNU5A, and SNORA73A were identified as the most stable references in milk somatic cells of lactating yaks. Also, a minimum of 3 reference RNA (RNU1A, RNU5A, and SNORA73A) were required for the normalization of microRNA expression data in milk somatic cells of the lactating yak. We further evaluated the suitability of the combination of RNU1A, RNU5A, and SNORA73A as reference RNA in milk somatic cells of lactating yaks via detecting the relative expression of miR 16b, miR 21-5p, miR 145, and miR 155 as microRNA of putative interest. In comparison to the colostrum period, on the whole, the expressions of the 4 microRNA were found to be upregulated at an early period and, thereafter, a declining pattern was exhibited from early to final periods in all microRNA investigated. Based on the results from this study, we recommend that the combination of RNU1A, RNU5A, and SNORA73A can be used as normalizers for microRNA quantitative analysis in future longitudinal studies on milk somatic cells of lactating yaks in relation to lactation.
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Affiliation(s)
- W L Bai
- College of Animal Science and Veterinary Medicine, Shenyang Agricultural University, Shenyang 110866, China
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Bai WL, Yin RH, Dou QL, Jiang WQ, Zhao SJ, Ma ZJ, Luo GB, Zhao ZH. Molecular characterization and phylogenetic analysis of a yak (Bos grunniens) κ-casein cDNA from lactating mammary gland. Mol Biol Rep 2010; 38:2711-8. [PMID: 21104027 DOI: 10.1007/s11033-010-0414-6] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2010] [Accepted: 11/08/2010] [Indexed: 10/18/2022]
Abstract
κ-Casein is one of the major proteins in the milk of mammals. It plays an important role in determining the size and specific function of milk micelles. We have previously identified and characterized a genetic variant of yak κ-casein by evaluating genomic DNA. Here, we isolate and characterize a yak κ-casein cDNA harboring the full-length open reading frame (ORF) from lactating mammary gland. Total RNA was extracted from mammary tissue of lactating female yak, and the κ-casein cDNA were synthesized by RT-PCR technique, then cloned and sequenced. The obtained cDNA of 660-bp contained an ORF sufficient to encode the entire amino acid sequence of κ-casein precursor protein consisting of 190 amino acids with a signal peptide of 21 amino acids. Yak κ-casein has a predicted molecular mass of 19,006.588 Da with a calculated isoelectric point of 7.245. Compared with the corresponding sequences in GenBank of cattle, buffalo, sheep, goat, Arabian camel, horse, and rabbit, yak κ-casein sequence had identity of 64.76-98.78% in cDNA, and identity of 44.79-98.42% and similarity of 53.65-98.42% in deduced amino acids, revealing a high homology with the other livestock species. Based on κ-casein cDNA sequences, the phylogenetic analysis indicated that yak κ-casein had a close relationship with that of cattle. This work might be useful in the genetic engineering researches for yak κ-casein.
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Affiliation(s)
- W L Bai
- College of Animal Science and Veterinary Medicine, Shenyang Agricultural University, Shenyang, 110866, China
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Gaziano JM, Cincotta AH, O'Connor CM, Ezrokhi M, Rutty D, Ma ZJ, Scranton RE. Randomized clinical trial of quick-release bromocriptine among patients with type 2 diabetes on overall safety and cardiovascular outcomes. Diabetes Care 2010; 33:1503-8. [PMID: 20332352 PMCID: PMC2890350 DOI: 10.2337/dc09-2009] [Citation(s) in RCA: 158] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Abstract
OBJECTIVE Quick-release bromocriptine (bromocriptine-QR), a D2 dopamine receptor agonist, is indicated as a treatment for type 2 diabetes. The Cycloset Safety Trial, a 52-week, randomized, double-blind, multicenter trial, evaluated the overall safety and cardiovascular safety of this novel therapy for type 2 diabetes. RESEARCH DESIGN AND METHODS A total of 3,095 patients with type 2 diabetes were randomized 2:1 to bromocriptine-QR or placebo in conjunction with the patient's usual diabetes therapy (diet controlled only or up to two antidiabetes medications, including insulin). The all-cause-safety end point was the occurrence of any serious adverse event (SAE), with a hazard ratio (HR) noninferiority margin of 1.5. In a prespecified analysis, the frequency of cardiovascular disease (CVD) events defined as a composite of myocardial infarction, stroke, coronary revascularization, and hospitalization for angina or congestive heart failure was evaluated using modified intent-to-treat analysis (clinicaltrials.gov, NCT00377676). RESULTS In the bromocriptine-QR group, 176 (8.6%) people reported SAEs compared with 98 (9.6%) in the placebo group (HR 1.02 [96% one-sided CI 1.27]). Fewer people reported a CVD end point in the bromocriptine-QR group versus the placebo group (37 [1.8%] vs. 32 [3.2%], respecively) (HR 0.60 [95% two-sided CI 0.35-0.96]). Nausea was the most commonly reported adverse event in the bromocriptine-QR group. CONCLUSIONS The frequency of SAEs was comparable between the treatment arms. Compared with patients in the placebo arm, fewer patients taking bromocriptine-QR experienced a cardiovascular end point.
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Affiliation(s)
- J Michael Gaziano
- Massachusetts Veterans Epidemiology Research and Information Center/VA Cooperative Studies Programs, VA Boston Healthcare System, Boston, Massachusetts, USA.
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Bai WL, Yin RH, Dou QL, Yang JC, Zhao SJ, Ma ZJ, Yin RL, Luo GB, Zhao ZH. A single nucleotide polymorphism and sequence analysis of CSN1S1 gene promoter region in Chinese Bos grunniens (yak). Anim Biotechnol 2010; 21:36-41. [PMID: 20024785 DOI: 10.1080/10495390903340004] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Abstract
The aim of this study was to investigate the polymorphism of the CSN1S1 gene promoter region in 4 Chinese yak breeds, and compare the yak CSN1S1 gene promoter region sequences with other ruminants. A Polymerase Chain Reaction-Single Strand Conformation Polymorphism protocol was developed for rapid genotyping of the yak CSN1S1 gene. One hundred fifty-eight animals from 4 Chinese yak breeds were genotyped at the CSN1S1 locus using the protocol developed. A single nucleotide polymorphism of the CSN1S1 gene promoter region has been identified in all yak breeds investigated. The polymorphism consists of a single nucleotide substitution G-->A at position 386 of the CSN1S1 gene promoter region, resulting in two alleles named, respectively, G(386) and A(386), based on the nucleotide at position 386. The allele G(386) was found to be more common in the animals investigated. The corresponding nucleotide sequences in GenBank of yak (having the same nucleotides as allele G(386) in this study), bovine, water buffalo, sheep, and goat had similarity of 99.68%, 99.35%, 97.42%, 95.14%, and 94.19%, respectively, with the yak allele A(386.).
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Affiliation(s)
- W L Bai
- College of Animal Science and Veterinary Medicine, Shenyang Agricultural University, Shenyang, China
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Abstract
AIM To determine the clinical features of hepatic myelopathy (HM), a rare condition associated with chronic liver disease (CLD), in patients in the city of Harbin, China. METHODS The medical files of 13 patients with HM were selected from 500 randomly chosen files of CLD patients registered in four Harbin hospitals. General information on all cases was summarised and clinical features were compared between HM positive patients (HM group) and HM negative CLD patients (control group). Detailed analysis of the clinical characteristics of HM positive patients was undertaken. RESULTS The patients in the HM group ranged in age from 41-50 years, which did not differ significantly from the control group. However, the sex ratio in the HM group (12 males/1 female) was significantly higher (p<0.05) than in the control group (342 males/145 females).The most frequent underlying aetiology was post type B hepatitis (12 cases). All cases in the HM group had a history of relapsing hepatic encephalopathy (HE) before or after HM onset, and showed electroencephalographic (EEG) abnormalities; however, the results of spinal cord magnetic resonance imaging were negative, and cerebrospinal fluid analysis findings were normal. Except for clinical manifestations of bilateral lower limb spastic paralysis, the two groups did not differ significantly in regard to other symptoms or signs. Hypoproteinaemia (positive predictive value (PPV) 5.69%, negative predictive value (NPV) 99.65%), blood ammonia elevation (PPV 5.29%, NPV, 99.32%) and abnormal EEG (PPV 5.00%, NPV 100.00%) were sensitive and specific for HM diagnosis. CONCLUSION In Harbin, HM is found mainly among middle aged men with CLD caused by viral hepatitis and accompanied by relapsing onset of HE. Bilateral lower limb spastic paralysis with hypoproteinaemia, blood ammonia elevation and/or abnormal EEG are significant diagnostic indicators of HM.
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Affiliation(s)
- Y H Yin
- Department of Neurology, the First Clinical Medical College of Harbin Medical University, Harbin City, Heilongjiang Province, 150001, PR China
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Ma ZJ, Meng ZK, Zhang P. Chemical constituents from the radix of Curcuma wenyujin. Fitoterapia 2009; 80:374-6. [DOI: 10.1016/j.fitote.2009.05.004] [Citation(s) in RCA: 26] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2009] [Revised: 05/07/2009] [Accepted: 05/09/2009] [Indexed: 11/28/2022]
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Abstract
Three new cycloartane glycosides were isolated from the whole herbs of Camptosorus sibiricus Rupr. By means of chemical and spectroscopic methods (IR, 1D, and 2D NMR, HR-MS, ESI-MS), the structures were established as (24R)-3beta,7beta,24,25, 30-pentahydroxycycloartane-3-O-beta-D-glucopyranosyl-(1-->4)-[alpha-L-arabinopyranosyl-(1-->2)-beta-D-glucopyranosyl]-24-O-beta-D-glucopyranoside (1), (24R)-3beta,7beta,24,25,30-pentahydroxycycloartane-3-O-beta-D-glucopyranosyl-(1-->4)-[beta-D-galactopyranosyl-(1-->2)-beta-D-glucopyranosyl]-24-O-beta-D-glucopyranoside (2), (24R)-3beta,7beta,24,25,30-pentahydroxycycloartane-30-O-coumaroyl-3-O-beta-D-glucopyranosyl-24-O-beta-D-glucopyranosyl-(1-->2)-beta-D-glucopyranoside (3). At the same time, the new compounds were tested for their cytotoxicities in vitro against human tumor cell lines (A375-S2, Hela) using MTT method.
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Affiliation(s)
- Peng Zhang
- Institute of Pharmaceutical Informatics, Zhejiang University in Zijingang Campus, Hangzhou, China
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Abstract
Two novel thiophenes, grijisyne A (1), and grijisone A (2), were isolated from the crude ethanolic extract of the roots of Echinops grijissi Hance. Their structures were determined by spectral methods, especially 2D NMR spectra. All the isolated compounds were tested for their anti-tumor activities against three human tumor cell lines, HL-60, K562, and MCF-7.
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Affiliation(s)
- Peng Zhang
- College of Pharmaceutical Sciences, Zhejiang University, Institute of Pharmaceutical Informatics, Hangzhou, Zhejiang, China
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Abstract
From the fruits of Celastrus orbiculatus Thunb. a new beta-dihydroagarofuran sesquiterpene ester named 1beta,2beta,13-triacetoxy-9alpha-cinnamoyloxy-beta-dihydroagarofuran (1) has been isolated along with two known compounds, 6alpha-acetoxy-1beta,9beta-dibenzoyloxy-8beta-hydroxy-beta-dihydroagarofuran (2), and 1beta, 6alpha-diacetoxy-9beta-benzoyloxy-8beta-hydroxy-beta-dihydroagarofuran (3). Their structures were elucidated on the basis of spectroscopic data.
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Affiliation(s)
- Yuan-Qiang Guo
- Research Department of Natural Medicine, Shenyang Pharmaceutical University, Shenyang 110016, China
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Abstract
The structure of a new cycloartane glycoside isolated from the whole herbs of Comptosorus sibiricus Rupr. has been established, by chemical and spectroscopic methods (IR, 1D and 2D NMR, HRMS, ESI-MS), as 3beta,7beta,24beta,25,30-pentahydroxycycloartane 24-O-beta-D-glucopyranoside (1).
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Affiliation(s)
- Ning Li
- Research Department of Natural Medicine, Shenyang Pharmaceutical University, Shenyang 110016, China
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Abstract
A new compound, sphaerophysin A (1), together with 16 known compounds (2-17) were obtained from the ethanolic extract of the seeds of Sphaerophysa salsula. The structure of 1 was elucidated on the basis of spectral and chemical evidence. Compounds 2-17 were isolated from the plant for the first time.
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Affiliation(s)
- Zhong-Jun Ma
- Department of Natural Medicines, Shenyang Pharmaceutical University, China
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Ma ZJ, Li X, Wang JH, Lu Y, Li W, Zheng QT, Wang C, Wang YX, Fujii I, Ebizuka Y. Cycloartane-type triterpenoids from Sphaerophysa salsula. J Asian Nat Prod Res 2004; 6:259-264. [PMID: 15621584 DOI: 10.1080/1028602031000147438] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/24/2023]
Abstract
Four novel cycloartanes, named sphaerophysone A (1), B (2), C (3) and D (4), were isolated from the ethanol extract of Sphaerophysa salsula (Pall.) DC. The structures were elucidated on the basis of spectral evidence, and the stereochemistry of compound 1 was defined by X-ray crystallographic analysis. Sphaerophysone B (2) may be an artifact formed in the isolation procedure.
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Affiliation(s)
- Zhong-Jun Ma
- Department of Natural Medicines, Shenyang Pharmaceutical University, China
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Abstract
A new isocoumarin, 3-acetyl-3,4-dihydro-5,6-dimethoxy-1H-2-benzopyran-1-one, was isolated from the cortex of Phellodendron chinense schneid. The structure was determined on the basis of spectroscopic evidences.
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Affiliation(s)
- Wan-Sheng Cui
- Department of Natural Medicines, Shenyang Pharmaceutical University, Shenyang 110016, P.R. China.
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Ma ZJ, Hou BL, Wang JH, Li X. Isoflavans from Sphaerophysa salsula. Pharmazie 2002; 57:75-6. [PMID: 11836939] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 02/23/2023]
Affiliation(s)
- Zhong-Jun Ma
- Research Department of Natural Medicines, Shenyang Pharmaceutical University, Shenyang, P.R. China
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Ma ZJ, Misawa H, Yamaguchi M. Stimulatory effect of zinc on insulin-like growth factor-I and transforming growth factor-beta1 production with bone growth of newborn rats. Int J Mol Med 2001; 8:623-8. [PMID: 11712076 DOI: 10.3892/ijmm.8.6.623] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022] Open
Abstract
The effect of zinc, an essential trace element, on insulin-like growth factor-I (IGF-I) and transforming growth factor-beta1 production was investigated to determine the role of this metal in bone growth of newborn rats. Femoral-diaphyseal and metaphyseal tissues were obtained between 1 and 28 days after birth of newborn rats, and cultured for 24 h in a serum-free Dulbecco's modified Eagle's medium containing either vehicle or zinc sulfate (10(-6) - 10(-4) M). Protein concentration in the medium was significantly increased by culture with bone tissues of newborn rats with increasing age (14 and 21 days). Medium IGF-I and TGF-beta1 concentration was gradually reduced with increasing age after birth. The presence of zinc (10(-5) and 10(-4) M) caused a significant increase in protein, IGF-I, and TGF-beta1 concentrations in the medium cultured with the diaphyseal or metaphyseal tissues obtained at 7 and 14 days after birth. The expression of IGF-I and TGF-beta1 mRNA was demonstrated by reverse transcription-polymerase chain reaction (RT-PCR) analysis in the diaphyseal and metaphyseal tissues cultured for 24 h using rat IGF-I or TGF-beta1-specific primers. These expressions were significantly raised in the presence of zinc (10(-4) M) in culture medium. The present study demonstrates that zinc has a stimulatory effect on IGF-I and TGF-beta1 production in the femoral tissues with bone growth of newborn rats.
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Affiliation(s)
- Z J Ma
- Laboratory of Endocrinology and Molecular Metabolism, Graduate School of Nutritional Sciences, University of Shizuoka, Shizuoka 422-8526, Japan
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Yamaguchi M, Ma ZJ. Inhibitory effect of menaquinone-7 (vitamin K2) on osteoclast-like cell formation and osteoclastic bone resorption in rat bone tissues in vitro. Mol Cell Biochem 2001; 228:39-47. [PMID: 11855740 DOI: 10.1023/a:1013360308946] [Citation(s) in RCA: 32] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Abstract
The effect of menaquinone-7 (MK-7; vitamin K2) on osteoclast-like cell formation and osteoclastic bone resorption in rat femoral tissues in vitro was investigated. The bone marrow cells were cultured for 7 days in a a-minimal essential medium (alpha-MEM) containing a well-known bone resorbing agent [parathyroid hormone (1-34) (PTH) or prostaglandin E2 (PGE2)] with an effective concentration. Osteoclast-like cells were estimated by staining for tartrate-resistant acid phosphatase (TRACP), a marker enzyme of osteoclasts. The presence of PTH (10(-8) M) or PGE2 (10(-6) M) induced a remarkable increase in osteoclast-like multinucleated cells. These increases were significantly inhibited by MK-7 (10(-8) - 10(-5) M). MK-7 (10(-7) and 10(-6) M) significantly inhibited phorbol 12-myristate 13-acetate-induced osteoclast-like cell formation, whereas MK-7 did not inhibit dibutyryl cyclic adenosine monophosphate (DcAMP) (10(-5) M)-induced osteoclast-like cell formation. These results suggest that the inhibitory action of MK-7 is partly involved in protein kinase C signaling. The bone cells isolated from rat femoral tissues were cultured for 48 h in an alpha-MEM containing either vehicle or MK-7 (10(-8) - 10(-5) M). The presence of MK-7 (10(-6) and 10(-5) M) caused a significant decrease in the number of mature osteoclasts. Such a decrease was also seen in the presence of calcitonin (10(-10) - 10(-8) M), DcAMP (10(-6) and 10(-5) M), or calcium chloride (10(-4) and 10(-3) M). The effect of MK-7 (10(-6) M) in decreasing the number of osteoclasts was not further enhanced in the presence of calcitonin (10(-8) M), DcAMP (10(-5) M), or calcium chloride (10(-3) M), and was completely abolished by the presence of dibucaine (10(-6) M) or staurosporine (10(-7) M), which are inhibitors of Ca2+-dependent protein kinases. These results suggested that MK-7 has a suppressive effect on osteoclasts. Moreover, the femoral-metaphyseal tissues obtained from rats were cultured for 48 h in Dulbecco's modified Eagle's medium containing either vehicle, PTH (10(-7) M), orPGE2 (10(-5) M) in the absence or presence of MK-7 (10(-7) - 10(-5) M). The presence of PTH or PGE2 induced a significant decrease in bone calcium content. These decreases were significantly blocked by MK-7 (10(-7) - 10(-5) M). This study demonstrates that MK-7 has an inhibitory effect on osteoclastic bone resorption in vitro.
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Affiliation(s)
- M Yamaguchi
- Laboratory of Endocrinology and Molecular Metabolism, Graduate School of Nutritional Sciences, University of Shizuoka, Japan.
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Ma ZJ, Yamaguchi M. Stimulatory effect of zinc on deoxyribonucleic acid synthesis in bone growth of newborn rats: enhancement with zinc and insulin-like growth factor-I. Calcif Tissue Int 2001; 69:158-63. [PMID: 11683530 DOI: 10.1007/s00223-001-2010-1] [Citation(s) in RCA: 28] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
Abstract
The effect of zinc on in vitro deoxyribonucleic acid (DNA) synthesis activity in the femoral-diaphyseal and metaphyseal tissues of newborn rats was investigated to determine a role of zinc in bone growth. In vitro DNA synthesis was assayed in a reaction mixture containing the 100 g centrifugation supernatant, which includes the nucleus of bone cells, of bone issue homogenate with incorporation of [3H]-deoxythymidine 5'-triphosphate (dTTP). DNA synthesis activity in the femoral-diaphyseal and metaphyseal tissues of newborn rats was significantly raised with increasing age (1-21 days) after birth. The presence of dipicolinate (10(-3) M), a chelator of zinc, in the reaction mixture caused a significant decrease in DNA synthesis activity in the diaphyseal and metaphyseal tissues of newborn rats at 7 and 14 days after birth. The addition of zinc sulfate (10(-6) - 10(-4) M) resulted in a significant increase in DNA synthesis activity in the diaphyseal and metaphyseal tissues. When the diaphyseal and metaphyseal tissues of newborn rats at 7 days after birth were cultured for 24 hours in a serum-free medium containing either vehicle, zinc sulfate (10(-4) M), insulin-like growth factor-I (IGF-I; 10(-8) M) or transforming growth factor-beta (TGF-beta; 10(-10) M), bone DNA synthesis activity was significantly elevated. Culture with both zinc and IGF-I enhanced additively bone DNA synthesis activity. Such an effect was not seen in the case of zinc and TGF-beta. The effect of zinc, IGF-I, or zinc plus IGF-I in increasing bone DNA synthesis activity was completely prevented by culture with PD98059 (10(-5) M), an inhibitor of mitogen-activated protein (MAP) kinase. Also, the effect of zinc, TGF-beta. or zinc plus TGF-beta in elevating bone DNA synthesis activity was significantly inhibited by culture with staurosporine (10(-6) M), an inhibitor of protein kinase C. The present study demonstrates that zinc, like bone growth factors, has a stimulatory effect on bone DNA synthesis in newborn rats.
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Affiliation(s)
- Z J Ma
- Laboratory of Endocrinology and Molecular Metabolism, Graduate School of Nutritional Sciences, University of Shizuoka, Japan
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Abstract
The role of endogenous zinc in protein synthesis in the bone tissues of newborn rats was investigated in the present study. Femoral-diaphyseal and metaphyseal tissues were obtained at 1, 7, 14, 21, and 28 days after birth. Many protein molecules were found to be present in the diaphyseal and metaphyseal tissues using sodium dodecyl sulfate-polyacrylamide gel electrophoresis analysis. Bone protein synthesis activity was enhanced by increasing age, and reached a plateau 21 days after birth. Protein synthesis in the diaphyseal and metaphyseal tissues obtained from 7- or 14-day-old rats was significantly decreased by the addition of dipicolinate (10(-3) M), a chelator of zinc ion, into the reaction mixture. while it was significantly enhanced by zinc sulfate (10(-4) M). When the diaphyseal and metaphyseal tissues obtained from 7- or 14-day-old rats were cultured for 48h in a medium containing dipicolinate (10(-3) M), bone protein synthesis was significantly reduced. This decrease was blocked completely by culture with the addition of zinc (10(-4) M). Culture with zinc (10(-5) and 10(-4) M) alone had a stimulatory effect on the bone protein synthesis. Zinc (10(-4) M)-induced increases in bone protein synthesis were completely blocked by culture with cycloheximide (10(-6) M) or actinomycin D (10(-7) M). The present study suggests that bone protein synthesis is enhanced with increasing age of newborn rats, and that endogenous zinc in bone tissues has a stimulatory role in the enhancement of protein synthesis with bone growth.
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Affiliation(s)
- Z J Ma
- Laboratory of Endocrinology and Molecular Metabolism, Graduate School of Nutritional Sciences, University of Shizuoka, Japan
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Ma ZJ, Yamaguchi M. Stimulatory effect of zinc and growth factor on bone protein component in newborn rats: enhancement with zinc and insulin-like growth factor-I. Int J Mol Med 2001; 7:73-8. [PMID: 11115612 DOI: 10.3892/ijmm.7.1.73] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022] Open
Abstract
The effect of zinc and growth factor on bone protein component in newborn rats was investigated. The characterization of protein component in the femoral-diaphyseal and metaphyseal tissue of newborn rats (3-35 days old) was examined using sodium dodecyl sulfate-polyacrylamide gel electrophoresis analysis. The diaphyseal and metaphyseal tissues of 7 days-old rats were cultured for 24 or 48 h in a medium containing either vehicle, zinc sulfate (10-4 M) or dipicolinate (10-3 M), a chelator of zinc ion, in the presence or absence of insulin-like growth factor-I (IGF-I; 10-8 M) or transforming growth factor-beta (TFG-beta; 10-10 M) with an effective concentration. Many cellular protein molecules were present in the diaphyseal and metaphyseal tissues; potent bands were seen in protein molecules with about 66 and 46 kDa. Protein molecule of about 66 kDa was greatly released in the medium cultured with the diaphyseal and metaphyseal tissues. This protein in the medium was increased by culture with zinc, IGF-I or TGF-beta. Total protein content in the medium cultured with the diaphyseal and metaphyseal tissues was significantly increased in the presence of zinc, IGF-I or TGF-beta. The IGF-I-increased medium protein content was significantly enhanced by zinc. This enhancing effect was not seen in TGF-beta. Alkaline phosphatase activity and deoxyribonucleic acid (DNA) content in the diaphyseal and metaphyseal tissues was significantly increased by culture with zinc, IGF-I or TGF-beta. The effect of IGF-I was significantly enhanced by zinc, while it was not found in TGF-beta. The effect of IGF-I or TGF-beta in increasing the bone components was seen in the presence of dipicolinate. This study demonstrates that zinc, like IGF-I and TGF-beta, can increase protein components in the femoral-diaphyseal and metaphyseal tissues of new-born rats. Zinc may especially play a role in bone growth in collaboration with IGF-I.
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Affiliation(s)
- Z J Ma
- Laboratory of Endocrinology and Molecular Metabolism, Graduate School of Nutritional Sciences, University of Shizuoka, Shizuoka 422-8526, Japan
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