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https://www.selleckchem.com/products/bemnifosbuvir-hemisulfate-at-527.html Primordial germ cells (PGCs) are common ancestors of all germline cells. In mammals, PGCs emerge in early-stage embryos around the timing of gastrulation at or near epiblast, and specification of PGCs from their precursor cells involves multiple growth factors secreted by adjacent cells. Recent advancements in germline stem cell biology have made it possible to generate PGC-like cell culture models (PGCLCs for PGC-like cells) from human and mouse pluripotent stem cells by mimicking the embryonic growth factor environment in vitro. Here we describe a method of producing human PGCLCs from primed-pluripotency induced pluripotent stem cells (iPSCs) via temporal conversion to naive pluripotency followed by formation of embryoid bodies (EBs) using the spin-EB method.Testicular germ cell tumors (TGCTs) are typically exquisitely sensitive to DNA interstrand cross-link (ICLs) agents. ICLs covalently link both strands of the DNA duplex, impeding fundamental cellular processes like DNA replication to cause cell death. A leading drug used for the treatment of TGCTs is cisplatin, which introduces ICLs and leads to formation of double strand breaks (DSBs), a DNA lesion that can be repaired in the S/G2 phases of the cell cycle by homologous recombination (HR, also termed homology-direct repair). Although most TGCTs respond to cisplatin-induced ICLs, a fraction is resistant to treatment. One proposed mechanism of TGCT resistance to cisplatin is an enhanced ability to repair DSBs by HR. Other than HR, repair of the ICL-lesions requires additional DNA repair mechanisms, whose action might also be implemented in therapy-resistant cells. This chapter describes GFP assays to measure (a) HR proficiency following formation of a DSB by the endonuclease I-SceI, and (b) HR repair induced by site-specific ICL formation involving psoralen. These experimental approaches can be used to determine the proficiency of TGCT ce

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