Abstract:
:B cell derived induced pluripotent stem cells (BiPSCs) were recently established from peripheral blood B cells by the simultaneous transfection of Yamanaka factors (Oct3/4, Sox2, Klf4, c-Myc) and C/EBPα using a Sendai virus vector. Here, using a different method, we established BiPSCs with immunoglobulin heavy chain (IgH) gene rearrangement from normal B cells purified from lymph nodes. The critical points of our method are pre-stimulation of B cells with IL-21 and CD40-ligand (CD40L), followed by consecutive transfection of highly concentrated Yamanaka factors using a retroviral vector. Following each transfection the cells were centrifuged onto a retronectin coated plate and the activated by IL-4, IL-2, and CD40L. Furthermore, we established BiPSCs (BiPSC-A) in which activation-induced cytidine deaminase (AID) could be induced using the doxycycline-controlled. Both the parental BiPSC and BiPSC-A showed the capability of differentiating into hematopoietic progenitor cells (HPCs) based on confirmation of CD34 expression and colony-formation from CD34-positive cells. The findings that BiPSC-A can differentiate into HPCs suggest that there is a possibility that induction of AID expression would result in chromosomal translocations in the process of differentiation from BiPSCs, and therefore that these BiPSCs could be useful in elucidating the tumor origin of abnormal B cells in myelomagenesis.
journal_name
Sci Repjournal_title
Scientific reportsauthors
Kawamura F,Inaki M,Katafuchi A,Abe Y,Tsuyama N,Kurosu Y,Yanagi A,Higuchi M,Muto S,Yamaura T,Suzuki H,Noji H,Suzuki S,Yoshida MA,Sasatani M,Kamiya K,Onodera M,Sakai Adoi
10.1038/s41598-017-01627-1subject
Has Abstractpub_date
2017-05-10 00:00:00pages
1659issue
1issn
2045-2322pii
10.1038/s41598-017-01627-1journal_volume
7pub_type
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