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Cell Biolabs彗星实验试剂盒
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产地/品牌:Cell Biolabs产品类别:其他生物试剂
规       格:STA-351 最后更新:2024-12-5
货       号:STA-351
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由于环境因素和细胞内的正常代谢过程造成的DNA损伤,每个细胞每天都会发生1,000到1,000,000个。虽然这些只占人类基因组约60亿个碱基中的一小部分,但如果关键基因损伤未及时修复可能会阻碍细胞的正常生理功能,进而增加癌变可能。彗星实验,或称单细胞凝胶电泳(Single cell gel electrophoresis,SCGE是一种测量单个细胞DNA损伤的常用技术。其原理简单,即在电泳场,将受损细胞DNA(包含片段和链断裂)与完整的DNA分离通过显微镜观察到损伤细胞呈现出典型的彗星状尾巴,然后通过测量计算彗尾大小对比出细胞DNA损伤的程度因为彗星实验特点,该方法几乎被用来评估任何类型的真核细胞的 DNA 修复能力,包括双、单链断裂的不同的 DNA 损伤情况。是一种能快速、大通量检测真核细胞DNA损伤进而判别遗传毒性的技术。

彗星实验结果图

彗星实验原理简单,但操作繁琐,需要丰富的实验经验和技巧,尤其常常出现的“脱胶”问题,困扰了科研人员除此之外有时为了跑出完美的“彗星”图案放在paper里,还需要重复做许多次实验,费时费力。为了解决上述问题,我们推荐CellBiolabsOxiSelectTMComet Assay Kit即彗星实验试剂盒来检测细胞的DNA损伤。该试剂盒不仅能让彗星实验化繁为简,还两种不同规格(3孔和96孔)的细胞电泳凝胶板供选择让少量样本和大量样本的DNA损伤检测通通轻松hold住。用该试剂做彗星实验流程如下图。

除了操作简便,OxiSelectTMComet Assay Kit还有以下优点:

1)      适用于各种DNA损伤检测,是一款非常好用的DNA损伤检测筛选工具;

2)      试剂盒中的载玻片经过特殊处理以粘附低熔点琼脂糖,避免“脱胶”问题出现

3)      采用特殊的DNA荧光染料,能有效降低背景干扰,更加方便读取实验结果。


彗星实验试剂盒信息:

品名

货号

规格

说明

OxiSelectTM Comet Assay Kit (3-Well Slides)

STA-350

15 assays

试剂盒内有53孔载玻片和彗星实验所需的低熔点琼脂糖、裂解液及DNA荧光染料,共可检测15个样品。

OxiSelectTM Comet Assay Kit (3-Well Slides)

STA-351

75 assays

试剂盒内有25张3孔载玻片和彗星实验所需的低熔点琼脂糖、裂解液及DNA荧光染料,共可检测75个样品。

OxiSelectTM Comet Assay Kit (96-Well Slides)

STA-355

96 assays

试剂盒内有1张96孔载玻片和彗星实验所需的低熔点琼脂糖、裂解液及DNA荧光染料,共可检测96个样品。



为了满足客户更多样的实验需求,彗星实验试剂盒特殊处理电泳载玻片可以单独购买,详情如下:

 

 

品名

货号

规格

产品图片

Comet Assay Slides, 3-Well

STA-352

5 slides

STA-353

25 slides

Comet Assay Slides, 96-Well

STA-356

1 slides

STA-356-5

5 slides

产品部分发表文献:

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  4. Liu, Z. et al. (2016). Canonical microRNAs enable differentiation, protect against DNA damage, and promote cholesterol biosynthesis in neural stem cells. Stem Cells and Dev. doi:10.1089/scd.2016.0259.
  5. Dai, C. et al. (2016). Curcumin ameliorates furazolidone-induced DNA damage and apoptosis in human hepatocyte L02 cells by inhibiting ROS production and mitochondrial pathway. Molecules. 21:1061.
  6. Beegle, J. R. et al. (2016). Preclinical evaluation of mesenchymal stem cells overexpressing VEGF to treat critical limb ischemia. Mol Ther Methods Clin Dev.doi:10.1038/mtm.2016.53.
  7. Suzuki, Y. et al. (2016). Pharmacodynamics of anti-inflammatory drugs–intranasal corticosteroid and dna damage. Pharmacodynamics of anti-inflammatory drugs. 117-126.
  8. Zhang, J. et al. (2016). Inhibition of Glucose-6-Phosphate Dehydrogenase could Enhance 1, 4-Benzoquinone-induced Oxidative Damage in K562 Cells. Oxid Med Cell Longev. doi:10.1155/2016/3912515.
  9. Jang, J. H. et al. (2016). APO-9′-fucoxanthinone extracted from undariopsis peteseniana protects oxidative stress-mediated apoptosis in cigarette smoke-exposed human airway epithelial cells. Mar Drugs. doi:10.3390/md14070140.
  10. Ebeid, S. A. et al. (2016). Assessment of the radioprotective effect of propolis in breast cancer patients undergoing radiotherapy. New perspective for an old honey bee product. J Radiat Res Appl Sci. doi:10.1016/j.jrras.2016.06.001.
  11. Wang, H, & Kim, N. H. (2016). CDK2 is required for the DNA damage response during porcine early embryonic development. Biol Reprod. doi:10.1095/biolreprod.116.140244.
  12. Zhao, X. et al. (2016). Dioscin induces apoptosis in human cervical carcinoma HeLa and SiHa cells through ROS-mediated DNA damage and the mitochondrial signaling pathway. Molecules. doi:10.3390/molecules21060730.
  13. Chen, X. et al. (2016). Zidovudine, abacavir and lamivudine increase the radiosensitivity of human esophageal squamous cancer cell lines. Oncol Rep. 36:239-246.
  14. Coleman, J. et al. (2016). Detecting Apoptosis, Autophagy, and Necrosis. Apoptosis Methods in Toxicology . doi:10.1007/978-1-4939-3588-8_5.
  15. Ding, Y. et al. (2016). Induction of ROS overload by alantolactone prompts oxidative DNA damage and apoptosis in colorectal cancer cells. Int J Mol Sci. doi:10.3390/ijms17040558.
  16. Cui, F. M. et al. (2016). The role of miR-34a in tritiated water toxicity in human umbilical vein endothelial cells. Dose-Response. doi:10.1177/1559325816638585.
  17. Laks, D. R. et al. (2016). Inhibition of nucleotide synthesis targets brain tumor stem cells in a subset of glioblastoma. Mol Cancer Ther. doi:10.1158/1535-7163.MCT-15-0982.
  18. Abubakar, I. B. et al. (2016). Synergistic cytotoxic effects of combined δ-tocotrienol and jerantinine B on human brain and colon cancers. J Ethnopharmacol. doi:10.1016/j.jep.2016.03.004.
  19. Hofstetter, C. et al. (2016). Inhibition of KDM6 activity during murine ESC differentiation induces DNA damage.J Cell Sci. 129:788-803.
  20. Si, L. et al. (2016). Dioscin suppresses human laryngeal cancer cells growth via induction of cell-cycle arrest and MAPK-mediated mitochondrial-derived apoptosis and inhibition of tumor invasion. Eur J Pharmacol. doi:10.1016/j.ejphar.2016.02.009.
  21. Qu, L. et al. (2016). Corosolic acid analogue, a natural triterpenoid saponin, induces apoptosis on human hepatocarcinoma cells through mitochondrial pathway in vitro. Pharm Biol. doi:10.3109/13880209.2015.1104699.
  22. Singh, A. K. et al. (2015). Parental age affects somatic mutation rates in the progeny of flowering plants. Plant Physiol. doi:10.1104/pp.15.00291.
  23. Yuan, L. et al. (2015). Serum collected from fruit and vegetable juice treated rats antagonizing H2O2-induced oxidative damage in PC12 cells. J Funct Foods. 20:496-505.
  24. Ramy, N. et al. (2015). Jaundice, phototherapy and DNA damage in full-term neonates.  J Perinatol.  doi:10.1038/jp.2015.166.
  25. Wu, C. F. et al. (2015). Anticancer activity of cryptotanshinone on acute lymphoblastic leukemia cells. Arch Toxicol. doi:10.1007/s00204-015-1616-4.
  26. Kim, M. J. et al. (2015). Antibacterial effect and mechanism of high-intensity 405±5nm light emitting diode on Bacillus cereus, Listeria monocytogenes, and Staphylococcus aureus under refrigerated condition. J Photochem Photobiol B. 153:33-39.
  27. Wang, X. et al. (2015). Enhancement of arabinocytosine (AraC) toxicity to AML cells by a differentiation agent combination. J Steroid Biochem Mol Biol.  doi:10.1016/j.jsbmb.2015.08.023.
  28. Sun, X. et al. (2015). Electrochemical detection of 8-hydroxy-2′-deoxyguanosine as a biomarker for oxidative DNA damage in HEK293 cells exposed to 3-chloro-1, 2-propanediol. Anal Methods.doi:10.1039/C5AY01246E.
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  31. Hou, W. et al. (2015). The protecting effect of deoxyschisandrin and schisandrin B on HaCaT cells against UVB-induced damage. PLoS One. 10:e0127177.
  32. Kim, M. J. et al. (2015). Inactivation by 405±5 nm light emitting diode on Escherichia coli O157: H7, Salmonella Typhimurium, and Shigella sonnei under refrigerated condition might be due to the loss of membrane integrity. Food Control. doi:10.1016/j.foodcont.2015.05.012.
  33. Haeger, S. M. et al. (2015). Smad4 loss promotes lung cancer formation but increases sensitivity to DNA topoisomerase inhibitors. Oncogene.  doi: 10.1038/onc.2015.112.
  34. Ong, J. Y. et al. (2015). 2-Methoxy-1, 4-naphthoquinone (MNQ) induces apoptosis of A549 lung adenocarcinoma cells via oxidation-triggered JNK and p38 MAPK signaling pathways. Life Sci. doi: 10.1016/j.lfs.2015.03.019.
  35. Prasad, M. A. et al. (2015). Ebf1 heterozygosity results in increased DNA damage in pro-B cells and their synergistic transformation by Pax5 haploinsufficiency. Blood.  doi: 10.1182/blood-2014-12-617282.
  36. Obstoy, B. et al. (2015). Safety and performance analysis of acriflavine and methylene blue for in vivo imaging of precancerous lesions using fibered confocal fluorescence microscopy (FCFM): an experimental study. BMC Pulm Med. 15:30.
  37. Xiong, J. et al. (2015). Stemness factor Sall4 is required for DNA damage response in embryonic stem cells.J Cell Biol. 208:513-520.
  38. Hu, Y. et al. (2015). Bile acids regulate nuclear receptor (nur77) expression and intracellular location to control proliferation and apoptosis. Mol Cancer Res. 13:291-292.
  39. Gong, L. et al. (2015). p53 isoform Δ113p53/Δ133p53 promotes DNA double-strand break repair to protect cell from death and senescence in response to DNA damage. Cell Res. 25:351-369. 
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