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#28631388   2017/07/15 To Up

The efficacy of commercial tooth storage media for maintaining the viability of human periodontal ligament fibroblasts.

To evaluate Save-A-Tooth (SAT), EMT Toothsaver (EMT) and Hank's Balanced Salt Solution (HBSS) for their influence on the viability and proliferative capacity of human periodontal ligament fibroblasts (HPDLFs).
W Lee, S Stover, M Rasoulianboroujeni, K Sherman, F Fahimipour, E Dashtimoghadam, C Zito, H E Jazayeri, L Tayebi

1932 related Products with: The efficacy of commercial tooth storage media for maintaining the viability of human periodontal ligament fibroblasts.

1mg10 100ul250 ml1 ml500 Units 5 lt1100.00 ul

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#28043299   // To Up

[Mechanism of protective effects of tumor necrosis factor receptor associated protein 1 on hypoxic cardiomyocytes of rats].

To investigate the mechanism of protective effects of tumor necrosis factor receptor associated protein 1 (TRAP1) on hypoxic cardiomyocytes of rats. Primary cultured cardiomyocytes were obtained from neonatal Sprague-Dawley rats (aged 1 to 3 days) and then used in the following experiments. (1) Cells were divided into group TRAP1 and control group according to the random number table (the same grouping method below), and then the total protein of cells was extracted. Total protein of cells in group TRAP1 was added with mouse anti-rat TRAP1 monoclonal antibody, while that in control group was added with the same type of IgG from mouse. Co-immunoprecipitation and protein mass spectrography analysis were used to determine the possible proteins interacted with TRAP1. (2) Cells were divided into normoxia blank control group (NBC), normoxia+ TRAP1 interference control group (NTIC), normoxia+ TRAP1 interference group (NTI), normoxia+ TRAP1 over-expression control group (NTOC), and normoxia+ TRAP1 over-expression group (NTO), with 1 well in each group. Cells in group NBC were routinely cultured, while cells in the latter four groups were respectively added with TRAP1 RNA interference empty virus vector, TRAP1 RNA interference adenovirus vector, TRAP1 over-expression empty virus vector, and TRAP1 over-expression adenovirus vector. Another batch of cells were divided into group NBC, hypoxic blank control group (HBC), hypoxic+ TRAP1 interference control group (HTIC), hypoxic+ TRAP1 interference group (HTI), hypoxic+ TRAP1 over-expression control group (HTOC), and hypoxic+ TRAP1 over-expression group (HTO), with 1 well in each group. Cells in hypoxic groups were under hypoxic condition for 6 hours after being treated as those in the corresponding normoxia groups, respectively. The mRNA expression of cytochrome c oxidase subunit Ⅱ (COXⅡ) of cells in each group was detected by real time fluorescent quantitive reverse transcription polymerase chain reaction. Experiments were repeated for three times. (3) Cells were divided into group NBC, group HBC, group HTOC, group HTO, hypoxic+ TRAP1 over-expression+ COXⅡinterference control group (HTOCIC), and hypoxic+ TRAP1 over-expression+ COXⅡinterference group (HTOCI), with 3 wells in each group. Cells in the previous 4 groups were treated as those in experiment (2). Cells in group HTOCIC and HTOCI were respectively transfected with COXⅡ RNA interference empty virus vector and COXⅡ RNA interference adenovirus vector, and then both added with TRAP1 over-expression adenovirus vector. The proliferation activity of cells was determined by cell counting kit 8 and microplate reader, and the ratio of death cells was measured by propidium lodide and Hoechst 33342 staining. Another batch of cells were divided into group NBC, group HBC, group HTIC, group HTI, hypoxic+ TRAP1 interference+ COXⅡover-expression control group (HTICOC), and hypoxic+ TRAP1 interference+ COXⅡ over-expression group (HTICO), with 3 wells in each group. Cells in the previous 4 groups were treated as those in experiment (2). Cells in group HTICOC and HTICO were both transfected with TRAP1 RNA interference adenovirus vector, and then respectively added with COXⅡ over-expression empty virus vector and COXⅡ over-expression adenovirus vector. The proliferation activity of cells and the ratio of death cells were detected as before. Experiments were repeated for three times. Data were processed with one-way analysis of variance and LSD test. (1) The expression of TRAP1 was found in cells of group TRAP1, while that was not found in cells of control group. The possible proteins interacted with TRAP1 were keratin, COXⅡ, and an unknown protein with predicted molecular weight 13×10. (2) Compared with that in group NBC, the mRNA expression of COXⅡof cells had no significant change in group NTIC and group NTOC (with values above 0.05), but significantly decreased in group NTI (<0.01), and significantly increased in group NTO (<0.01). Compared with that in group NBC, the mRNA expression of COXⅡof cells in group HBC was significantly decreased (<0.01). Compared with that in group HBC, the mRNA expression of COXⅡof cells had no significant change in group HTIC and group HTOC (with values above 0.05), but significantly decreased in group HTI (<0.01), and significantly increased in group HTO (<0.01). (3) The proliferation activity of cells in group NBC, group HBC, group HTOC, group HTO, group HTOCIC, and group HTOCI was respectively 0.498±0.022, 0.303±0.018, 0.313±0.032, 0.456±0.031, 0.448±0.034, and 0.335±0.026, and the ratios of death cells in above groups were respectively (4.7±1.5)%, (24.7±3.1)%, (26.0±2.7)%, (13.3±2.5)%, (12.7±2.1)%, and (21.0±1.7)%. Compared with those in group NBC, the proliferation activity of cells in HBC was decreased, while the ratio of death cells was increased (with values below 0.01). Compared with those in group HBC, the proliferation activity of cells and the ratio of death cells in group HTOC had no significant change (with values above 0.05), while the proliferation activity of cells was increased and the ratio of death cells was decreased in group HTO (with values below 0.01). Compared with those in group HTO, the proliferation activity of cells and the ratio of death cells in group HTOCIC had no significant change (with values above 0.05), while the proliferation activity of cells was decreased and the ratio of death cells was increased in group HTOCI (with values below 0.01). (4) The proliferation activity of cells in group NBC, group HBC, group HTIC, group HTI, group HTICOC, and group HTICO was respectively 0.444±0.025, 0.275±0.016, 0.283±0.021, 0.150±0.009, 0.135±0.011, and 0.237±0.017, and the ratios of death cells in above groups were respectively (3.7±0.6)%, (21.0±2.7)%, (20.3±3.1)%, (31.7±2.5)%, (33.3±3.2)%, and (19.3±1.5)%. Compared with those in group HBC, the proliferation activity of cells and the ratio of death cells in group HTIC had no significant change (with values above 0.05). Compared with those in group HBC and group HTIC, the proliferation activity of cells was decreased and the ratio of death cells was significantly increased in group HTI (with values below 0.01). Compared with those in group HTI, the proliferation activity of cells and the ratio of death cells in group HTICOC had no significant change (with values above 0.05), while the proliferation activity of cells was increased and the ratio of death cells was significantly decreased in group HTICO (with values below 0.01). TRAP1 can up-regulate the expression of COXⅡ mRNA, and COXⅡ is one of the downstream effector molecules that TRAP1 mediates its protective effects on hypoxic cardiomyocytes.
F Xiang, D X Zhang, S Y Ma, Y S Huang

2653 related Products with: [Mechanism of protective effects of tumor necrosis factor receptor associated protein 1 on hypoxic cardiomyocytes of rats].

100ug96T100ug0.1 mg5ug0.1 mg1 mg10ug5ug100ug Lyophilized100ug100μg

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#27188490   // To Up

[Effects of transfection of human epidermal growth factor gene with adenovirus vector on biological characteristics of human epidermal cells].

To investigate the suitable transfection condition of human epidermal cells (hECs) with human epidermal growth factor (EGF) gene by adenovirus vector (Ad-hEGF) and its effects on the biological characteristics of hECs.
Kai Yin, Li Ma, Chuan'an Shen, Yuru Shang, Dawei Li, Longzhu Li, Dongxu Zhao, Wenfeng Cheng

2707 related Products with: [Effects of transfection of human epidermal growth factor gene with adenovirus vector on biological characteristics of human epidermal cells].

50 ug5 x 50 ug5 x 50 ug1 kit(96 Wells)50 ug100ug10ug50 ug10ug100.1 mg20 ug

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#26714406   // To Up

[Expression of microRNA-126 in myocardial tissue of rats in the early stage of severe burn injury and its relation with myocardial damage].

To observe the changes in the expressions of microRNA-126 in myocardial tissue and cardiac troponin I (cTnI) in serum of rats in the early stage of severe burn injury with analysis of their relationship, and to validate the relationship between microRNA-126 and myocardial damage in cellular level.
Qionghui Xie, Ziqing Ye, Lan Chen, Chaoli Zhao, Qiongfang Ruan, Weiguo Xie

2188 related Products with: [Expression of microRNA-126 in myocardial tissue of rats in the early stage of severe burn injury and its relation with myocardial damage].



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