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Wang Jian,Wu Xi,Zhang Liuming,Wang Qiang,Sun Xiaomei,Ji Dejun,Li Yongjun 아세아·태평양축산학회 2024 Animal Bioscience Vol.37 No.4
Objective: Hair follicle stem cells (HFSCs) differentiation is a critical physiological progress in skin hair follicle (HF) formation. Goat HFSCs differentiation is one of the essential processes of superior-quality brush hair (SQBH) synthesis. However, knowledge regarding the functions and roles of miR-133a-3p and miR-145-5p in differentiated goat HFSCs is limited. Methods: To examine the significance of chi-miR-133a-3p and chi-miR-145-5p in differentiated HFSCs, overexpression and knockdown experiments of miR-133a-3p and miR145-5p (Mimics and Inhibitors) separately or combined were performed. NANOG, SOX9, and stem cell differentiated markers (β-catenin, C-myc, Keratin 6 [KRT6]) expression levels were detected and analyzed by using real-time quantitative polymerase chain reaction, western blotting, and immunofluorescence assays in differentiated goat HFSCs. Results: miR-133a-3p and miR-145-5p inhibit NANOG (a gene recognized in keeping and maintaining the totipotency of embryonic stem cells) expression and promote SOX9 (an important stem cell transcription factor) expression in differentiated stem cells. Functional studies showed that miR-133a-3p and miR-145-5p individually or together overexpression can facilitate goat HFSCs differentiation, whereas suppressing miR-133a-3p and miR-145- 5p or both inhibiting can inhibit goat HFSCs differentiation. Conclusion: These findings could more completely explain the modulatory function of miR-133a-3p and miR-145-5p in goat HFSCs growth, which also provide more understandings for further investigating goat hair follicle development.
Identification of olfactory receptor genes in the Japanese grenadier anchovy Coilia nasus
Guoli Zhu,Liangjiang Wang,Wenqiao Tang,Xiaomei Wang,Cong Wang 한국유전학회 2017 Genes & Genomics Vol.39 No.5
Olfaction is essential for fish to detect odorant elements in the environment and plays a critical role in navigating, locating food and detecting predators. Olfactory function is produced by the olfactory transduction pathway and is activated by olfactory receptors (ORs) through the binding of odorant elements. Recently, four types of olfactory receptors have been identified in vertebrate olfactory epithelium, including main odorant receptors (MORs), vomeronasal type receptors (VRs), trace-amine associated receptors (TAARs) and formyl peptide receptors (FPRs). It has been hypothesized that migratory fish, which have the ability to perform spawning migration, use olfactory cues to return to natal rivers. Therefore, obtaining OR genes from migratory fish will provide a resource for the study of molecular mechanisms that underlie fish spawning migration behaviors. Previous studies of OR genes have mainly focused on genomic data, however little information has been gained at the transcript level. In this study, we identified the OR genes of an economically important commercial fish Coilia nasus through searching for olfactory epithelium transcriptomes. A total of 142 candidate MOR, 52 V2R/OlfC, 32 TAAR and two FPR putative genes were identified. In addition, through genomic analysis we identified several MOR genes containing introns, which is unusual for vertebrate MOR genes. The transcriptomescale mining strategy proved to be fruitful in identifying large sets of OR genes from species whose genome information is unavailable. Our findings lay the foundation for further research into the possible molecular mechanisms underlying the spawning migration behavior in C. nasus.
Xiaomei Zhang,Na Liu,Yang Wang 보안공학연구지원센터 2016 International Journal of Security and Its Applicat Vol.10 No.3
In recent years, as the economic continuous development, market competition has been dramatically increasing. In order to maintain competition advantage, enterprises have to seek for more cooperation. As a new model of cooperation, industry strategic alliance is a significant method for cooperation to get competitive advantage, also increasing the rate of innovation. However, due to a variety of factors, part of the alliance is not stable, failure rate is very high. Heilongjiang province soybean processing industry strategic alliance as one of the best agricultural strategic alliance in China, it is also disturbed by it. In order to ensure the healthy and stable development of the alliance, in this paper, we will draw on relevant literature and expert advice, also field visits to the alliance, finding out the factors affecting the stability of the alliance. Then, AHP and fuzzy comprehensive evaluation method are combined to identify high impact factors, and puts forward specific comments based on the factors identified, thereby enhancing the long-term stable development of the alliance. At the same time, it also laid the foundation for the healthy development of other alliances.
Wang, Yang,Chen, Xiaomei,Chen, Xiaojing,Chen, Qilong,Huo, Keke Korean Society for Molecular and Cellular Biology 2014 Molecules and cells Vol.37 No.9
SCYL1-BP1 is thought to function in the p53 pathway through Mdm2 and hPirh2, and mutations in SCYL1-BP1 are associated with premature aging syndromes such as Geroderma Osteodysplasticum; however, these mechanisms are unclear. Here, we report significant alterations in miRNA expression levels when SCYL1-BP1 expression was inhibited by RNA interference in HEK293T cells. We functionally characterized the effects of potential kernel miRNA-target genes by miRNA-target network and protein-protein interaction network analysis. Importantly, we showed the diminished SCYL1-BP1 dramatically reduced the expression levels of EEA1, BMPR2 and BRCA2 in HEK293T cells. Thus, we infer that SCYL1-BP1 plays a critical function in HEK293T cell development and directly regulates miRNA-target genes, including, but not limited to, EEA1, BMPR2, and BRCA2, suggesting a new strategy for investigating the molecular mechanism of SCYL1-BP1.
Li, Xiaomei,Cao, Zhizhong,Qiu, Xiaoqian,Tang, Zhen,Gong, Lulu,Wang, Dalin The Korean Academy of Prosthodonitics 2015 The Journal of Advanced Prosthodontics Vol.7 No.3
PURPOSE. To explore whether there is matching relation between the length and the tilting angle of terminal implants in the All-on-Four protocol by studying the effects of different implant configurations on stress distributions of implant, bone, and framework. MATERIALS AND METHODS. Four implants were employed to support a full-arch fixed prosthesis and five three-dimensional finite element models were established with CT images, based on the length (S and L) and distal tilt angle ($0^{\circ}$, $30^{\circ}$ and $45^{\circ}$) of terminal implants for an edentulous mandible, which named: Tilt0-S, Tilt30-S, Tilt30-L, Tilt45-S and Tilt45-L. An oblique 240 N was loaded at second molar. The von Mises Stresses were analyzed. The implants were consecutively named #1 to #4 from the loading point. RESULTS. 1) Tilt0-S had the greatest stress on the implants, with the other groups exhibiting variable reductions; the four implants of Tilt45-L demonstrated the greatest reduction in stress. 2) Tilt0-S had the greatest stress at bone around #1 implant neck, and Tilt45-L exhibited the least stress, which was a 36.3% reduction compared to Tilt0-S. 3) The greatest stress in the framework was found on the cantilevers distal to #1 implant. Tilt45-S exhibited the least stress. CONCLUSION. Matching different length and tilting angle of the terminal implants led to variable stress reductions on implants, bone and the superstructure. By optimizing implant configuration, the reduction of stress on implants and surrounding bone could be maximized. Under the present condition, Tilt45-L was the preferred configuration. Further clinical testings are required.
Quantitative Analysis of R&D Investment Impact on Agricultural Economy Based on Panel Data
Yang Wang,Xiaomei Zhang 보안공학연구지원센터 2016 International Journal of Database Theory and Appli Vol.9 No.3
Agriculture is the basic industry of our country, the development of agricultural economy in relation to the overall goal of modernization in china. With the contribution of science and technology to economic growth gradually strengthen, countries will also application of science and technology to improve the competitiveness of the agricultural economy. In this paper, we analyze the influence of R&D investment on agricultural economy based on panel data, the result shows that: there exist a long-term stable equilibrium relationship between R&D investment and agricultural economy, the influence coefficient of R&D investment to agricultural GDP is 0.19. Meanwhile, agricultural researchers also have 0.10 elastic contributions to agricultural economic growth, so that agricultural talent is also an important factor of agricultural economy. Therefore, the government should strengthen investment in agricultural, improve the technological innovation ability and establish long-term mechanism of continuous fund supply for agricultural science and technology innovation.
Yang Wang,Xiaomei Chen,Xiaojing Chen,Qilong Chen,Keke Huo 한국분자세포생물학회 2014 Molecules and cells Vol.37 No.9
SCYL1-BP1 is thought to function in the p53 pathway through Mdm2 and hPirh2, and mutations in SCYL1-BP1 are associated with premature aging syndromes such as Geroderma Osteodysplasticum; however, these mechanisms are unclear. Here, we report significant alterations in miRNA expression levels when SCYL1-BP1 expression was inhibited by RNA interference in HEK293T cells. We functionally characterized the effects of potential kernel miRNA-target genes by miRNA-target network and protein-protein interaction network analysis. Importantly, we showed the diminished SCYL1-BP1 dramatically reduced the expression levels of EEA1, BMPR2 and BRCA2 in HEK293T cells. Thus, we infer that SCYL1-BP1 plays a critical function in HEK293T cell development and directly regulates miRNA-target genes, including, but not limited to, EEA1, BMPR2, and BRCA2, suggesting a new strategy for investigating the molecular mechanism of SCYL1-BP1.
Shiliang Wang,Hua Zhong,Meijuan Lu,Guohua Song,Xiaomei Zhang,Min Lin,Shengliang Yang,Mincai Qian 대한신경정신의학회 2018 PSYCHIATRY INVESTIGATION Vol.15 No.8
Objective_The pathogenesis of depression is not fully understood yet, but studies have suggested higher circulating C reactive protein (CRP) level might relate to depression occurrence. However, due to high variability of patients’ individual condition, the results to date are inconsistent. Considering CRP single-nucleotide polymorphisms (SNPs) could also regulate plasma CRP levels, in the present study, we hypothesized that inherited CRP allelic variations may co-vary with depressive symptomatology. Methods_We recruited 60 depression patients with family depression history and 60 healthy control volunteers into this project. We detected circulation CRP level as well as genome CRP SNPs from participants of this project. Results_We have found a significantly higher circulating CRP level in patients with a positive family history. Furthermore, we also identified some certain inherited CRP SNPs (A allele in rs1417938 and C allele in rs1205) could up regulate serum CRP level and distributed more in depression patients with family history. Conclusion_Our finding may raise new evidence that genetically increased serum CRP level through SNPs variation is likely to induce family inherited depression.