生物知识 桥粒(desmosomes) 在斑块连接中,如果细胞是通过中间纤维锚定到细胞骨架上,这种粘着连接方式就称为桥粒。桥粒连接也分为两种情况:如果涉及的是相邻两细胞间的连接,则称为桥粒 (实际上是完全... 05月05日 发表评论 阅读全文
生物知识 Tissue Preparation for Histochemistry: Fixation, Embedding, and Antigen Retrieval for Light Microsco A number of techniques have been developed to use chemical, immunological, and mol... 05月05日 发表评论 阅读全文
生物知识 Feeder-Free Growth of Undifferentiated Human Embryonic Stem Cells Conventionally, human embryonic stem cells (hESCs) are cultured on feeder cells. T... 05月05日 发表评论 阅读全文
生物知识 Mouse ES Cell-Derived Hematopoietic Progenitor Cells Future stem cell-based therapies will benefit from the new discoveries being made ... 05月05日 发表评论 阅读全文
生物知识 Lipid Raft-Redox Signaling Platforms in Plasma Membrane Membrane lipid rafts (LRs) have been demonstrated to be importantly involved in tr... 05月05日 发表评论 阅读全文
生物知识 In Vitro and In Vivo Assays of B-Lymphocyte Migration The development and functional activities of B lymphocytes critically depend on th... 05月05日 发表评论 阅读全文
生物知识 Telomerase RNA Inhibition Using Antisense Oligonucleotide Against Human Telomerase RNA Linked to a 2 Telomerase, a ribonucleoprotein enzyme, is detected in the vast majority of cancer... 05月05日 发表评论 阅读全文
生物知识 Transplantation Chimeras: Use in Analyzing Mechanisms of Avian Development The word chimera originally referred to a mythological beast with the head of a li... 05月05日 发表评论 阅读全文
生物知识 Quantitative Determination of Collagen Cross-links The primary functional role of collagen is as a supporting tissue and it is now es... 05月05日 发表评论 阅读全文
生物知识 Routine Culturing of ES Cells Cell are normally passaged every 2-3 days, this is important to avoid differentiat... 05月05日 发表评论 阅读全文