KARYOTYPINGESCELLS
An actively growing culture of cells is required, i e 2 - 3 d ES cell culture. The total number of cells needs to be between 106 - 107 cells.N B Read notes at end of method.1) Harvest cells in the usual manner, into a conical bottom centrifuge tube.2) Centrifuge to remove medium.3) Resuspend cell button by flicking the bottom of the tube.4) Add 8 ml of warmed KC1 solution to each tube and mix gently with a pipette.5)......阅读全文
Collection－of－Peritoneal－Cells
Prepare a 10ml syringe fitted with a 26G short needle and filled with 5 to 7 ml of medium and 2 to 3 ml of air. Air is important.Prepare a Pasteur pip
Transfecting－Suspension－Cells
实验概要将转移基因整合到细胞染色体DNA上,形成稳定表达转移基因的细胞系。 实验原理 细胞转染技术是目前广泛应用于病毒基因结构与功能以及基因调控等的研究。细胞转染可分为短暂转染和稳定(或永久) 转染两种。在短暂转染中,被转染基因并不整合至细胞染色体中,因而不能随细胞分裂而传代。转入病毒基因的转
Freezing－and－Thawing－cells
Freezing and Thawing cellsFreezingIt is best to freeze cells that are growing rapidly. With adherent cells, it is easiest to set up 100 mm dishes, giv
Collection－of－Peritoneal－Cells
Prepare a 10ml syringe fitted with a 26G short needle and filled with 5 to 7 ml of medium and 2 to 3 ml of air. Air is important.Prepare a Pasteur pip
Preparing－cells－and...
实验概要The method provides a protocol and tips for BrdU staining in tissue sections.Bromodeoxyuridine (5-bromo-2-deoxyuridine, BrdU) is a synthetic
Immunofluorescence－Labeling－of－Cells
实验概要Antibodies are an important tool for demonstrating both the presence and the subcellular localization of an antigen. Cell staining is a very ver
Isolation－of－papillary－cells
Isolation of renal papillary cells1. For isolation of papillary cells, kidneys were harvested and kept in HBSS containing 15 mM HEPES, penicillin/
Growing－feederindependent－embryonic－stem－cells§
We use feeder-independent ES cell lines derived from the 129/Ola strain of mice (Nichols et al., Development 110, p.1341, 1990). These cells are easy
ES－and－TS－cell－freezing/thawing
Needed:ES cell freezing medium (2x)2x ES cell freezing medium should be made up fresh each time it is to be used, and should comprise freshly prepared
ES－and－TS－cell－freezing/thawing
实验概要ES and TS cell freezing/thawing.主要试剂ES cell freezing medium (2x) 2x ES cell freezing medium should be made up fresh each time it is to be
ES细胞分化培养实验
实验材料 未分化 ES 细胞试剂、试剂盒 PBS仪器、耗材 ES 分化培养基移液器实验步骤 1. 准备下列试剂和材料：未分化 ES 细胞无 Ca2+ 和 Mg2+ PBSES 分化培养基8 道微量移液器无菌多道移液器容器2. 收获未分化 ES 细胞。3. 在 100 mm 组织培养皿中加 10 ml
ES细胞分化培养实验
实验材料单一胚胎样体仪器、耗材组织培养板巴斯德吸管玻璃盖玻片无菌镊子ES 分化培养基实验步骤1. 准备下列试剂和材料：培养悬液中的单一胚胎样体6 孔组织培养板带棉塞巴斯德吸管明胶包被的玻璃盖玻片无菌镊子ES 分化培养基2. 准备明胶包被的玻璃盖玻片3. 用无菌镊子在 6 孔组织培养板的每孔中放一块明
ES细胞分化培养实验
悬滴培养 培养皿ES细胞集落 附着ES细胞分化培养 实验材料 未分化 ES 细胞
ES细胞打靶技术介绍
你听说过喀迈拉兽（chimera）吗？没错，就是古希腊神话故事中一只会喷火的怪兽，这种怪兽拥有狮头、羊身、蛇尾，像是由几种动物拼成的。或许你知道喀迈拉兽，但你是否知道在生物遗传学中也有一种名为喀迈拉的动物吗？那这神奇的怪兽与我们生物领域中的ES细胞基因打靶到底有什么关系呢？本期话题，咱们就一起来聊聊
胚胎干细胞培养技术大全
MEDIA AND SOLUTIONS REQUIRED FOR ROUTINE ES CELL CULTURERoutine Culturing of ES CellsISOLATION OF PRIMARY MOUSE EMBRYO FIBROBLASTSMITOMYCIN C TREATMEN
ES－Cell－Culture－and－Manipulation2
Picking ES cell clonesOne or two days before picking colonies prepare 24-well plates of feeders. You can also use alternate protocols that utilize 96-
stem－cell－culture－protocol
实验概要stem cell culture protocol主要试剂cell culture supplies and reagentssEnvironment: cell culture requires a sterile environment, so it needs a separat
核移植胚胎干细胞的印迹基因甲基化研究
核移植来源的胚胎干细胞(NTES cells)在以干细胞为基础的细胞治疗中扮演着非常重要的角色，得到全能性良好且表观遗传修饰正常的核移植胚胎干细胞是解决治疗性克隆安全问题的重要前提。DNA甲基化修饰在基因表达和印迹基因的表达中起非常重要的作用，两步法克隆可能存在的不完全重编程问题很可能存在于印
Transforming－chemically－competent－cells
MethodThaw TSS cells on ice.Add DNA, pipette gently to mix (1μl of prepped plasmid is more than enough).Note: If you are adding small volumes (~1μl),
Isolation－of－lymphatic－endothelial－cells
Dermal Cell Suspensions 1. Dermatomed 0.8-mm split-thickness skin was obtained from adult healthy individuals undergoing elective surgery. 2
Isolation－of－rodent－pancreatic－β－cells
1. Adult rats weighing 250-350g were anesthetized, sacrificed and immediately used for pancreas sampling.2. Rat islets were isolated from male wistar
Culturing－HEK－293－Cells
ReagentsMedium:500 ml Dulbecco’s Modified Eagle Medium (Gibco #41966-029)55 ml FCS (10 %)2.8 ml Gentamycin Solution (Sigma G-1272, 10 ml))TrypsinTryps
Plastic－dishes－for－growing－cells
There are two kinds of dishes used to grow tissue culture cells.Those that are designed for adherent cells have been treated chemically to promote cel
Routine－Splitting－and－freezing－of－cells
1. Grow cells to subconfluence in a flask.2. Harvest as per normal and count.3. Spin down 5min 1.2K in benchtop. Resuspend at 1.0 X 106/ml in 10% DMSO
Decontamination－of－cells－from－the－yeast
I Destroy yeast1. Aspirate medium and wash cell in PBS.2. Incubate cells at 37oC for 5 min in non-diluted antibiotic-antimycotic.3. In
Selection－of－Transfected－Suspension－Cells
Contributor: Suprya JayadevDate: December 13, 19941) Transfect cells.2) Culture cells 1-3 passages in a T-75 flask containing selection material (e.g.
Isolation－of－lymphatic－endothelial－cells
实验概要This protocols provides a general protocol for isolation of lymphatic endothelial cells.实验步骤Dermal Cell Suspensions1. Dermatomed 0.8-mm split-thic
Amicon－Stirred－Ultrafiltration－Cells
DescriptionFor protein concentration, gas pressure is applied directly to ultrafiltration cell. Solutes above the membrane's molecular weight (MW)
Freezing－cells－in－liquid－nitrogen
Take off MediaTrypsinate with 1ml x2 Dulbecco A trypsinAdd 7ml MediaPipette up and down to distribute cells throughout media (i.e. not clumped togethe
Cryopreserving－Neural－Stem－Cells
实验概要There are numerous protocols available for cryopreserving neural stem cells (NSCs) derived from human embryonic stem cells; the primary objectiv