نتایج جستجو برای: pluripotency

تعداد نتایج: 5192  

Journal: :Frontiers in Cell and Developmental Biology 2023

The emergence and development of induced pluripotent stem cells (iPSCs) provides an approach to understand the regulatory mechanisms cell pluripotency demonstrates great potential iPSCs in disease modeling. Acute myelitis defines a group inflammatory diseases that cause acute nerve damage spinal cord; however, its pathophysiology remains be elusive. In this study, we derived skin fibroblasts fr...

Journal: :Cell 2006
Kit T. Rodolfa Kevin Eggan

Limitations on a differentiated cell's pluripotency can be erased by nuclear transfer or by fusion with embryonic stem cells, but attempts to recapitulate this process of nuclear reprogramming by molecular means have failed. In this issue of Cell, Takahashi and Yamanaka (2006) take a rational approach to identifying a suite of embryonic transcription factors whose overexpression restores plurip...

Journal: :Cell 2013
Uri Ben-David Jonathan Nissenbaum Nissim Benvenisty

Induction of pluripotency in somatic cells has been achieved by myriad combinations of transcription factors that belong to the core pluripotency circuitry. In this issue, Shu et al. report reprogramming with lineage specifiers, lending support to the view of the pluripotent state as a fine balance between competing differentiation forces.

2015
Sareh Asadi Samaneh Dehghan Maryam Hajikaram Seyed Javad Mowla Abolhassan Ahmadiani Ahmadiani Mohammad Javan

OBJECTIVE Every cell type is characterized by a specific transcriptional profile together with a unique epigenetic landscape. Reprogramming factors such as Oct4, Klf4, Sox2 and c-Myc enable somatic cells to change their transcriptional profile and convert them to pluripotent cells. Small molecules such as BIX-01294, Bay K8644, RG-108 and valproic acid (VPA) are reported as effective molecules f...

2014
Eryn Wicklow Stephanie Blij Tristan Frum Yoshikazu Hirate Richard A. Lang Hiroshi Sasaki Amy Ralston Karen M. Downs

Pluripotent epiblast (EPI) cells, present in the inner cell mass (ICM) of the mouse blastocyst, are progenitors of both embryonic stem (ES) cells and the fetus. Discovering how pluripotency genes regulate cell fate decisions in the blastocyst provides a valuable way to understand how pluripotency is normally established. EPI cells are specified by two consecutive cell fate decisions. The first ...

2010
Kurt Pfannkuche Azra Fatima Manoj K. Gupta Rebecca Dieterich Jürgen Hescheler

BACKGROUND Somatic cells can be reprogrammed into induced pluripotent stem (iPS) cells. Recently, selection of fully reprogrammed cells was achieved based on colony morphology reminiscent of embryonic stem (ES) cells. The maintenance of pluripotency was analysed. METHODOLOGY/PRINCIPAL FINDINGS Clonal murine iPS cell line TiB7-4, which was derived from adult fibroblasts, was analysed for maint...

Journal: :Stem Cell Research 2021

Human induced pluripotent stem cells (hiPSC) line FLENIi001-A was reprogrammed from dermal fibroblasts using the lentiviral-hSTEMCCA-loxP vector. Fibroblasts were obtained a skin biopsy of 72-year-old Caucasian male familial Alzheimer's disease patient carrying T119I mutation in PSEN1 gene. genotype maintained and stemness pluripotency confirmed hiPSC line.

Journal: :Biotechnology and bioengineering 2004
Raj R Rao John D Calhoun Xiaoting Qin Romdhane Rekaya Jason K Clark Steven L Stice

Human embryonic stem cells (ESCs) have generated enormous interest due to their ability to self-renew and produce many different cell types. In conjunction with microarray technology, human ESCs provide a powerful tool for employing a systems-based approach to deciphering the molecular mechanisms that control pluripotency and early development. Recent work has focused on defining "stemness" and...

Journal: :international journal of health studies 0
parvaneh sardarabadi 1 1. dept. of hematology, school of medical sciences, tarbiat modares university, tehran, iran. masoud soleimani 1* amir atashi 2 2. stem cell and tissue engineering research center, shahroud university of medical sciences, shahroud, iran. shahram pour beiranvand 1 mahshid akhavan rahnama 3 3. dept. of applied cell sciences, school of advanced technologies in medicine, shahid beheshti university of medical sciences, tehran, iran. azadeh anbarlou 3

background: induced pluripotent stem cells (ipscs) can be obtained from autologous cells for therapeutic purposes. so, far, many studies have been done to produce induced pluripotent cells by transferring specific pluripotency genes using different methods. in this study, pluripotency gene expression induced by external stresses was assessed in cord blood mononuclear cells. methods: in this exp...

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