StemCellsDev:发现骨形成的新型调节因子

研究人员发现了小鼠体内一种新的转录因子可以帮助调节间充质干细胞(mesenchymal stem cells,MSCs)分化为骨的过程。目前科学家们对于骨细胞分化的研究并不深入,而MSCs则是再生医学领域一种很有潜力的干细胞来源。图片来源:Stem Cells and Development 这个新的转录因子叫做成骨细胞诱导因子1(Osteoblast Inducer 1,ObI-1),相关研究成果于近日发表在《Stem Cells and Development》上。这篇文章叫做“Identification of a Novel Transcription Factor Required for Osteogenic Differentiation of Mesenchymal Stem Cells”,作者包括来自意大利那不勒斯大学费德里科二世的Francesca Querques和Anna DAgostino以及他们......阅读全文

Stem-Cells-Dev:发现骨形成的新型调节因子

  研究人员发现了小鼠体内一种新的转录因子可以帮助调节间充质干细胞(mesenchymal stem cells,MSCs)分化为骨的过程。目前科学家们对于骨细胞分化的研究并不深入,而MSCs则是再生医学领域一种很有潜力的干细胞来源。图片来源:Stem Cells and Development  

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

Differentiating-Neural-Stem-Cells-into-Neurons-and-Glial-Cells

实验概要The protocols in  this section describe the steps involved in differentiating neural stem  cells (NSC) to neurons, astrocytes, and oligodendrocyte

Culturing-Human-Neural-Stem-Cells

实验概要Neural  stem cells (NSC) are valuable resources because of their ability to  differentiate into neurons and glial cells with applications in  neur

Culturing-Rat-Fetal-Neural-Stem-Cells

实验概要Rat  neural stem cells (NSCs) serve as a well-established model for  investigating human brain development, disease processes, and treatment  stra

Culture-of-Human-Embryonic-Stem-Cells-(hESC)

All cell lines are initially grown according to the supplier's protocols but we are adapting them to one simple protocol outlined below:6-well pla

Isolation-and-Culture-of-Human-Liver-Stem-Cells

Materials and Methods1. Human hepatocytes were isolated from fresh surgical specimens of patients undergoing hepatectomies. Healthy liver tissue (

Noninvasive-Human-Nuclear-Transfer-with-Embryonic-Stem-Cells

Noninvasive Human Nuclear Transfer with Embryonic Stem CellsSohyun L. McElroy1 and Renee A. Reijo PeraCenter for Human Embryonic Stem Cell Research an

Xenofree-Culture-of-Neural-Stem-Cells

实验概要Neural  stem cells (NSCs) derived from human embryonic stem cells (hESCs) have  the potential to help provide understanding for human neurogenesis

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

Stem-cell-characteristics-of-amniotic-epithelial-(AE)-cells

Isolation of AE Cells1. Human placentae were obtained with the approval of the institutional review board, after uncomplicated elective caesarean

Isolation-of-human-multipotent-mesenchymal-stem-cells-from-second

Isolation of human multipotent mesenchymal stem cells from second‐trimester amniotic fluid Culture of MSC from amniotic fluid1. Twenty amniotic flui

STEM-CELLS:增压干细胞创建新疗法

  近日,发表在国际期刊《Stem Cells》上的一项研究指出,阿德莱德大学的研究人员发现了一种培养干细胞的新方法,该方法可使细胞生长的更快,更强壮。  Kisha Sivanathan博士说这在干细胞上是一个激动人心的突破性研究。“成人间充质干细胞可以从体内许多组织包括骨髓中获得,这种干细胞吸引

Derivation-of-Dopaminergic-Neurons-(from-Human-Embryonic-Stem-Cells)

实验概要Directed  differentiation of specific lineages has been a focal point in the  field of human embryonic stem cell (hESC) research. Cell replacement

Sleeping-Beauty-transposon-mutagenesis-in-rat-spermatogonial-stem-cells

Sleeping Beauty transposon mutagenesis in rat spermatogonial stem cellsZoltán Ivics,1, 2 Zsuzsanna Izsvák,1, 2 Gerardo Medrano,3, 4 Karen M Chapman3,

《Stem-Cells》:胚胎干细胞长成软骨

美国莱斯大学的生物医学工程师发明了一项能够利用人类干细胞生长出软骨的新技术。这种方法能够用于培养膝盖、下巴、臀部和其他关节的软骨替换。 由于自然的软骨组织是不能够自我痊愈的,所以研究人员长期以来都在寻找培养替代的软骨的方法。培养的这种软骨可用于修复软骨损伤。这项研究为利用胚胎干细胞制造类软骨细胞提

Isolation-and-Differentiation-of-AmnionDerived-Stem-Cells-(ADSCs)

ADSC isolation, culture, and cloningRat amnion membrane is mechanically separated from the chorion of embryonic day 18.5 Sprague–Dawley rat embryosThe

同济大学等处GenesDev揭示DNA修复的新型调节因子

来自同济大学医学院、美国梅奥诊所(Mayo Clinic)和军事医学科学院放射与辐射医学研究所等处的研究人员,将UHRF1确定为DNA修复的一个新型调节因子,并揭示了一种模型,在这种模型中磷酸化-去泛素化级联反应动态地调节着BRCA2CRAD51通路。这一研究结果发布在12月9日的《Genes&De

同济大学等处GenesDev揭示DNA修复的新型调节因子

  生物通报道:来自同济大学医学院、美国梅奥诊所(Mayo Clinic)和军事医学科学院放射与辐射医学研究所等处的研究人员,将UHRF1确定为DNA修复的一个新型调节因子,并揭示了一种模型,在这种模型中磷酸化-去泛素化级联反应动态地调节着BRCA2–RAD51通路。这一研究结果发布在12月9日的《

Stem-Cells:癌症干细胞的新调控机制

  肺癌是一种非常普遍的人类恶性肿瘤,也是造成癌症死亡的头号杀手。肺癌主要分为小细胞肺癌(15%)和非小细胞肺癌(85%)两大类,其中非小细胞肺癌与吸烟高度相关,而且生存率很低。近十年来肺癌发病率在中国攀升得很快,这主要是因为吸烟人数快速增加(大多是男性)。  许多科学家认为,完全治愈肺癌需要靶标癌

Magnetic-Depletion-of-SSEA4+-Undifferentiated-Embryonic-Stem-Cells

实验概要Human  embryonic stem cells can be differentiated into neural-, mesenchymal  and hematopoetic stem cells. This product is intended for the magneti

Isolation-and-Culture-of-Multipotent-Stem-Cells-from-Human-Bone-Morrow

Bone marrow contains three types of stem cells:1. Hematopoietic stem cells give rise to the three classes of blood cells that are found in the circu

Ex-Vivo-Human-Primary-Mesenchymal-Stem-Cells-(MSCs)-Culture

Human bone marrow contains mesenchymal progenitors (mesenchymal stem cells, MSCs).  MSCs produce adventitial cells in the human bone marrow microenvir

Stem-Cells-and-Development-:大脑类器官的新型培育方法

  加州大学圣地亚哥分校医学院的研究人员在当前在线期刊《Stem Cells and Development》杂志上撰文,描述了一种快速,经济有效的从原代细胞中制造人皮层类器官的方法。  发展人脑功能的实验研究是有限的,这是由于活胚胎受试者的研究受到伦理问题和大脑本身脆弱性的限制,动物模型仅部分模仿

Procedure-for-Culturing-BG01V-Human-Embryonic-Stem-Cells

IntroductionHuman embryonic stem (hES) cells are pluripotent stem cells derived from pre-implantation embryos that can be maintained and expanded in a

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

诱导多能干细胞(Induced-Pluripotent-Stem-cells,iPS)

2006年日本京都大学山中伸弥领导的实验室在世界著名学术杂志《细胞》上率先报道了诱导多能干细胞(Induced Pluripotent Stem cells,iPS)的研究。他们把Oct3/4、Sox2、c-Myc和Klf4这4种转录因子引入小鼠胚胎或皮肤纤维母细胞,发现可诱导其发生转化,产

Stem-Cells:骨骼用药保护干细胞免受老化影响

  一个突破性的研究发现,干细胞可以通过一种目前用于治疗骨质疏松症患者药物来防止老化的影响。  来自谢菲尔德大学的科学家发现了一种药物唑来膦酸通过减少DNA损伤能够延长间充质干细胞的寿命。  DNA损伤是最重要的一种老化机制,由此干细胞会失去维护和修复组织的能力。  开创性的研究显示,药物保护干细胞

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