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Generation of Transgene-Free Naive Human Induced Pluripotent Stem Cells from Somatic Cells Using a Modified Temperature-Sensitive Sendai Virus System.

The Sendai virus (SeV) vector system offers an efficient, nonintegrating approach to reprogram somatic cells into either naive or primed human induced pluripotent stem cells (iPSCs). Here, we describe a protocol to generate transgene-free naive iPSCs from human dermal fibroblasts (HDFs) and peripheral blood mononuclear cells (PBMCs) using a modified, temperature-sensitive SeV system. The method leverages LMYC in place of cMYC and an optional H1FOO-DD factor to enhance efficiency and uniformity, and employs a controlled temperature shift to facilitate vector clearance.

Humans

Generation and characterization of two iPSC lines INDBi002-A and INDBi002-B from human keratinocytes of a healthy female using Sendai Virus reprogramming.

We established two fully characterized induced pluripotent stem cell (iPSC) lines from human keratinocytes via Sendai virus-mediated reprogramming. This non-integrating approach maintains genomic integrity, facilitating the generation of pluripotent cell lines with stable self-renewal and multilineage differentiation potential. Characterization confirmed the expression of stemness markers, the capacity for trilineage differentiation, and a normal karyotype. The iPSC lines are a valuable platform for applications in disease modeling, pharmacological screening, and regenerative medicine.

Humans

Generation of an induced pluripotent stem cell line, LGMi002-A, from a Bardet-Biedl Syndrome patient with a BBS5 homozygous pathogenic variant.

The human induced pluripotent stem cell (iPSC) line, iPSC-BBS5stbg1, derived from a patient with a Bardet-Biedl Syndrome (BBS) phenotype and carrying a BBS5 homozygous pathogenic variant: c.123delA, p.Gly42Glufs*11 is described. The reprogramming of the patient's dermal fibroblasts was achieved using the non-integrative Sendai virus system delivering the OCT4, SOX2, KLF4 and c-MYC (OSKM) transcription factors. The established iPSC line iPSC-BBS5stbg1 displays typical iPSC morphology, maintains genomic stability, and demonstrates the ability to differentiate into cell types representative of the three embryonic germ layers. This iPSC line constitutes robust and relevant cellular model for studying BBS-associated disease mechanisms and ciliary dysfunction.

Humans

Generation of TWO iPSC lines (CRICKi025-A and CRICKi026-A) from healthy donor bone marrow mesenchymal stromal cells.

Mesenchymal stromal cells (MSCs) are key components of the bone marrow (BM), providing structural support and paracrine signals that regulate haematopoietic stem cell maintenance, self-renewal and differentiation. However, primary BM MSCs are rare, heterogeneous, and subject to donor variability and have limited ex-vivo expansion capacity, restricting their utility. Here, we describe two human induced pluripotent stem cells lines, CRICKi0025-A and CRICKi0026-A, reprogrammed from adult BM-derived MSCs using non-integrating Sendai virus vectors. Both lines showcase grade-A morphology, are genomically stable, upregulate essential pluripotent markers and can differentiate into the three germ layers. These lines are a well-characterised resource for generating MSCs.

Journal Article

Generation of induced pluripotent stem cell line NTUHi003-A from a patient with premature ovarian insufficiency.

Premature ovarian insufficiency (POI) is characterized by impaired ovarian function before 40 years of age and is associated with heterogeneous etiologies. Herein, we established a human induced pluripotent stem cell (hiPSC) line, NTUHi003-A, from the peripheral blood mononuclear cells (PBMCs) of a patient with POI. The generated hiPSC line exhibited a normal 46, XX karyotype and demonstrated confirmed pluripotency. This cell line provides a valuable cellular platform for disease modeling and mechanistic studies of POI.

Humans