https://repository.kulib.kyoto-u.ac.jp/dspace/bitstream/2433/159777/1/j.cell.2006.07.024.pdf

Induction of pluripotent stem cells from mouse embryonic and adult fibroblast cultures by defined factors.

抗原变异可使得多种致病微生物易于逃避宿主免疫应答。表达在感染红细胞表面的恶性疟原虫红细胞表面蛋白1（PfPMP1）与感染红细胞、内皮细胞、树突状细胞以及胎盘的单个或多个受体作用，在黏附及免疫逃避中起关键的作用。每个单倍体基因组var基因家族编码约60种成员，通过启动转录不同的var基因变异体为抗原变异提供了分子基础。

疟原虫var基因转换速率变化导致抗原变异[英]／Paul H, Robert P, Christodoulou Z, et al//Proc Natl Acad Sci U S A

https://repository.kulib.kyoto-u.ac.jp/dspace/bitstream/2433/49782/1/Yamanaka_Cell_131_5.pdf

Induction of Pluripotent Stem Cells from Adult Human Fibroblasts by Defined Factors

Comprehensive Integration of Single-Cell Data.

Computational single-cell RNA-seq (scRNA-seq) methods have been successfully applied to experiments representing a single condition, technology, or species to discover and define cellular phenotypes. However, identifying subpopulations of cells that are present across multiple data sets remains challenging. Here, we introduce an analytical strategy for integrating scRNA-seq data sets based on common sources of variation, enabling the identification of shared populations across data sets and downstream comparative analysis. We apply this approach, implemented in our R toolkit Seurat (http://satijalab.org/seurat/), to align scRNA-seq data sets of peripheral blood mononuclear cells under resting and stimulated conditions, hematopoietic progenitors sequenced using two profiling technologies, and pancreatic cell 'atlases' generated from human and mouse islets. In each case, we learn distinct or transitional cell states jointly across data sets, while boosting statistical power through integrated analysis. Our approach facilitates general comparisons of scRNA-seq data sets, potentially deepening our understanding of how distinct cell states respond to perturbation, disease, and evolution.

/pdf/integrating-single-cell-transcriptomic-data-across-different-3dtsi5w7ob.pdf

Integrating single-cell transcriptomic data across different conditions, technologies, and species.

The combination of DNA cloning in bacterial plasmids and DNA injection into frog oocyte nuclei permits a novel type of genetic analysis in which the function of defined sequences of DNA may be more readily and precisely investigated than before. Purified segments of chromosomal DNA containing 5S genes of Xenopus have been injected into the nuclei of Xenopus oocytes and the products of these genes recognized as labelled 5S RNA. Since short linear molecules of DNA are degraded in oocytes, the function of particular regions of DNA near a 5S gene is best determined by excising these regions and joining them to other kinds of DNA. This is achieved most simply by inserting regions of 5S DNA into a plasmid. Our results with alpha-amanitin show that the activity of a 5S DNA promoter inserted into a plasmid can be detected independently of the plasmid's own promoters, using DNA injection into oocytes. The observation that plasmids containing variant 5S genes result in the synthesis of abnormal 5S RNA molecules illustrates the possibility of mutanting recombinant plasmids and then testing the biological effect of these mutations by DNA injection.

Genetics in an oocyte.

Signals for tissue induction and organ formation in vertebrate embryos.

Change history: In this Insight Review, '1989' has been changed to '1998' in the sentence "This deep understanding of pancreatic development was put to the service of regenerative medicine in 1998, when human embryonic stem cells (hES cells) were successfully cultured and opened the door to developing methods of deriving pancreatic islets from hES cells66.". This error has been corrected online.

/pdf/author-correction-pancreas-regeneration-1qcv8u25hp.pdf

Douglas A. Melton

Papers

Genetics in an oocyte.

Signals for tissue induction and organ formation in vertebrate embryos.

Author Correction: Pancreas regeneration.

Essentials of Stem Cell Biology (Hardcover)

Part A: Directed Differentiation of Human Embryonic Stem Cells into Early Endoderm Cells