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  • StemCellsDev:發現骨形成的新型調節因子

    研究人員發現了小鼠體內一種新的轉錄因子可以幫助調節間充質干細胞(mesenchymal stem cells,MSCs)分化為骨的過程。目前科學家們對于骨細胞分化的研究并不深入,而MSCs則是再生醫學領域一種很有潛力的干細胞來源。圖片來源:Stem Cells and Development 這個新的轉錄因子叫做成骨細胞誘導因子1(Osteoblast Inducer 1,ObI-1),相關研究成果于近日發表在《Stem Cells and Development》上。這篇文章叫做“Identification of a Novel Transcription Factor Required for Osteogenic Differentiation of Mesenchymal Stem Cells”,作者包括來自意大利那不勒斯大學費德里科二世的Francesca Querques和Anna DAgostino以及他們......閱讀全文

    Stem-Cells-Dev:發現骨形成的新型調節因子

      研究人員發現了小鼠體內一種新的轉錄因子可以幫助調節間充質干細胞(mesenchymal stem cells,MSCs)分化為骨的過程。目前科學家們對于骨細胞分化的研究并不深入,而MSCs則是再生醫學領域一種很有潛力的干細胞來源。圖片來源:Stem Cells and Development  

    Cryopreserving-Neural-Stem-Cells

    實驗概要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

    實驗概要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

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

    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

    Culturing-Rat-Fetal-Neural-Stem-Cells

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

    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 (

    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

    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

    實驗概要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

    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:增壓干細胞創建新療法

      近日,發表在國際期刊《Stem Cells》上的一項研究指出,阿德萊德大學的研究人員發現了一種培養干細胞的新方法,該方法可使細胞生長的更快,更強壯。  Kisha Sivanathan博士說這在干細胞上是一個激動人心的突破性研究。“成人間充質干細胞可以從體內許多組織包括骨髓中獲得,這種干細胞吸引

    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,

    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

    《Stem-Cells》:胚胎干細胞長成軟骨

    美國萊斯大學的生物醫學工程師發明了一項能夠利用人類干細胞生長出軟骨的新技術。這種方法能夠用于培養膝蓋、下巴、臀部和其他關節的軟骨替換。 由于自然的軟骨組織是不能夠自我痊愈的,所以研究人員長期以來都在尋找培養替代的軟骨的方法。培養的這種軟骨可用于修復軟骨損傷。這項研究為利用胚胎干細胞制造類軟骨細胞提

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

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

    同濟大學等處GenesDev揭示DNA修復的新型調節因子

      生物通報道:來自同濟大學醫學院、美國梅奧診所(Mayo Clinic)和軍事醫學科學院放射與輻射醫學研究所等處的研究人員,將UHRF1確定為DNA修復的一個新型調節因子,并揭示了一種模型,在這種模型中磷酸化-去泛素化級聯反應動態地調節著BRCA2–RAD51通路。這一研究結果發布在12月9日的《

    同濟大學等處GenesDev揭示DNA修復的新型調節因子

    來自同濟大學醫學院、美國梅奧診所(Mayo Clinic)和軍事醫學科學院放射與輻射醫學研究所等處的研究人員,將UHRF1確定為DNA修復的一個新型調節因子,并揭示了一種模型,在這種模型中磷酸化-去泛素化級聯反應動態地調節著BRCA2CRAD51通路。這一研究結果發布在12月9日的《Genes&De

    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

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

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

    Stem-Cells:癌癥干細胞的新調控機制

      肺癌是一種非常普遍的人類惡性腫瘤,也是造成癌癥死亡的頭號殺手。肺癌主要分為小細胞肺癌(15%)和非小細胞肺癌(85%)兩大類,其中非小細胞肺癌與吸煙高度相關,而且生存率很低。近十年來肺癌發病率在中國攀升得很快,這主要是因為吸煙人數快速增加(大多是男性)。  許多科學家認為,完全治愈肺癌需要靶標癌

    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

    Stem-Cells-and-Development-:大腦類器官的新型培育方法

      加州大學圣地亞哥分校醫學院的研究人員在當前在線期刊《Stem Cells and Development》雜志上撰文,描述了一種快速,經濟有效的從原代細胞中制造人皮層類器官的方法。  發展人腦功能的實驗研究是有限的,這是由于活胚胎受試者的研究受到倫理問題和大腦本身脆弱性的限制,動物模型僅部分模仿

    Stem-Cells:骨骼用藥保護干細胞免受老化影響

      一個突破性的研究發現,干細胞可以通過一種目前用于治療骨質疏松癥患者藥物來防止老化的影響。  來自謝菲爾德大學的科學家發現了一種藥物唑來膦酸通過減少DNA損傷能夠延長間充質干細胞的壽命。  DNA損傷是最重要的一種老化機制,由此干細胞會失去維護和修復組織的能力。  開創性的研究顯示,藥物保護干細胞

    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

    誘導多能干細胞(Induced-Pluripotent-Stem-cells,iPS)

    2006年日本京都大學山中伸彌領導的實驗室在世界著名學術雜志《細胞》上率先報道了誘導多能干細胞(Induced Pluripotent Stem cells,iPS)的研究。他們把Oct3/4、Sox2、c-Myc和Klf4這4種轉錄因子引入小鼠胚胎或皮膚纖維母細胞,發現可誘導其發生轉化,產

    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

    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

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