ESandTScellfreezing／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 60% DMEM+, 20% FCS, and 20% DMSO (Sigma, Cat. No.D-5879).Freezing in cryovialsThe general protocol for freezing cells grown in a standard 10 cm dish at 70% confluency is given below:1. Change media 2-3 hours before freezing the cells.2. Freshly prepare 2x freezing medi......阅读全文
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－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
Human－Embryonic－Stem－(ES)－Cell－Protocols——General－notes－on－ES－cell－culture
hES media has a two week shelf life.hES cells should be cultured in 4, 6, 24, 48, 96 well plates. Growing cells in flasks is not recommended because i
Counting－ES－cell－Chromosomes
(original reference: "tissue culture made easy" by Christian LaMantia from the Magnuson lab)1) Plate cells onto gelatinized plates (35 or 60 mm) witho
ES－Cell－Culture－and－Manipulation
MediaHigh glucose DMEM (-pyruvate, -glutamine)20% Heat-inactivated Fetal calf serum (can vary by cell type, be sure!!)1X l-glutamine1X Penicillin/stre
Human－Embryonic－Stem－(ES)－Cell－Protocols——Thawing－Human－ES－cells
Remove Human ES cells from liquid nitrogen storage tank. Fill out a freeze/thaw form.Thaw cryovial by gently swirling in waterbath until only a small
Human－Embryonic－Stem－(ES)－Cell－Protocols——Freezing－Human－ES－Cells
Collagenase cells for approximately 7 minutes at 37 °C (until edges of colonies are curling up).With a 5 ml pipet, gently pipet and scrape colonies f
The－Dos－and－Donts－of－Cell－Culture
Given below are a few of the essential "do’s and don'ts" of cell culture. Some of these are mandatory e.g. use of personal protective equipment (P
Human－Embryonic－Stem－(ES)－Cell－Protocols——Splitting－Human－ES－cells－on－MEFs
based on splitting onto one plateWarm collagenase IV split media to 37 °C in a water bath.Aspirate media off of cell culture plate.Add the following a
Human－Embryonic－Stem－(ES)－Cell－Protocols—Splitting－Human－ES－cells－onMatrige
based on splitting onto on plateWarm collagenase media to 37°C in a water bath.Aspirate media off of cell culture plate.Add the following amount of co
ES－Cell－Culture－and－Manipulation3
Care and Handling of Feeder Layer CellsSTO/SNL cells are a derivative of the standard STO cell line. They are transformed with a LIF producing plasmid
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-
MEDIA－AND－SOLUTIONS－REQUIRED－FOR－ROUTINE－ES－CELL－CULTURE
Media UsedTo prepare 100 ml mediumDMEM80 mlFCS15 mlNon-essential amino acids (100x)1 mlPen/strep (5,000 1U/ml, 5000 ug/ml)1 mlL-Glutamine 200 mM1 mlNu
Human－Embryonic－Stem－(ES)－Cell－Protocols——Media－and－Reagents
Serum Free Media for human ES cells on MEFs: can last for 7-10 daysFinal ConcentrationAmount for 250ml Stock solution80% DMEM-F12200ml20% KO Serum Rep
Human－Embryonic－Stem－(ES)－Cell－Protocols——Embryonic－Bodies
Let human ES cells grow until the colonies are large and the cells are pretty piled up - about the time when you would normally split or even a day pa
Human－Embryonic－Stem－(ES)－Cell－Protocols——Matrigel－Aliquoting－and－Plating
Aliquoting Matrigel:Day one:Put the sterilized tip box (either 200 ml or 1000 ml tips), sterilized eppendorf tube container, and appropriate pipettor
KARYOTYPING－ES－CELLS
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
Electroporation－of－ES－cells
Cells are routinely passaged two days prior to electroporating. Usually one 10 cm plate at approximately 80% confluency will provide enough cells for
ES细胞分化培养实验——培养皿ES细胞集落
实验材料ES 细胞单一胚胎样体仪器、耗材细菌培养皿ES 分化培养基实验步骤1. 准备下列试剂和材料：悬滴培养的 ES 细胞单一胚胎样体100 mm 细菌培养皿ES 分化培养基2. 在 100 mm 细菌培养皿中加 10 ml 预热的分化培养基。3. 从温箱中取出培养 2 天的悬滴培养物。小心翻转培养
FACS－Analysis－of－ES－Cells
Isolate cells and dissociate to single cell suspension (can use Gibco Cell Dissociation Buffer, Accutase or Trypsin)Wash with 10% FBS/DMEM:F12For surf
Routine－Culturing－of－ES－Cells
Cell are normally passaged every 2-3 days, this is important to avoid differentiation.Signs of differentiation are:-i) colonies are surrounded by flat
从失败中挖出封面论文！35岁博后回国即任985教授
2018年，魏育蕾尝试用小鼠囊胚建立胚胎干细胞系，却失败了。2020年，受到一篇论文的启发，她和丈夫于乐谦重启此前“失败”的实验，花3个月做完并投稿，最终于2021年收获了一篇Nature封面论文。这篇论文迈出了人类“人造胚胎”的第一步，见证了世界首例人造人类胚胎样结构诞生。被Science评选为当
将基因转移至未分化ES细胞实验——ES细胞电穿孔
实验材料线性化转移基因 DNA未分化 ES 细胞仪器、耗材电穿孔仪和电穿孔杯neoR-MEF 滋养板ES 生长培养基实验步骤1. 准备下列试剂和材料：线性化转移基因 DNA（1 mg/ml，溶于无菌 TE）未分化 ES 细胞Bio-Rad 电穿孔仪和电穿孔杯100 mm neoR-MEF 滋养板ES
从失败实验中挖出封面论文！博后回国即任教授
原文地址：http://news.sciencenet.cn/htmlnews/2024/1/516819.shtm 文｜《中国科学报》记者 刘如楠 2018年，魏育蕾尝试用小鼠囊胚建立胚胎干细胞系，却失败了。 2020年，受到一篇论文的启发，她和丈夫于乐谦重启此前“失败”的实验，花3个
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
Differentiate－ES－cells－into－cardiac－myocytes
Day -1: Pass ES cells at normal density on gelatinized plate to free the culture of contamination fibroblast cells.____________________Day 1: Trypsini
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
Screen－ES－cells－by－Southern－Blot
Digest DNA in 96-well plateTo each well add:4ul 10Xbuffer4ul Enzyme0.4ul Spermidine(0.4M)31.6ul H2O37‡C 19h, then add 4ul loading dye to each well. Lo
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