Characterization of human induced pluripotent stems cells: Current approaches, challenges, and future solutions. Suresh Babu, S., Duvvuru, H., Baker, J., Switalski, S., Shafa, M., Panchalingam, K. M., Dadgar, S., Beller, J., & Ahmadian Baghbaderani, B. Biotechnol. Rep. (Amst.), 37(e00784):e00784, Elsevier BV, March, 2023.
abstract   bibtex   
Human induced pluripotent stem cells (iPSC) have demonstrated massive potentials for use in regenerative and personalized medicine due to their ability to expand in culture and differentiate into specialized cells with therapeutic benefits. However, in order to industrialize iPSC-derived therapies, it is necessary to address the existing challenges surrounding the analytics implemented in the manufacturing process to evaluate and monitor cell expansion, differentiation, and quality of the final products. Here, we review some of the key analytical methods used as part of identity, potency, or safety for in-process or final product release testing and highlighted the challenges and potential solutions for consideration in the Chemistry, Manufacturing and Controls (CMC) strategy for iPSC-based therapies. Some of the challenges associated with characterization and testing of iPSC-based products are related to the choice of analytical technology (to ensure fit-for-purpose), assay reliability and robustness. Automation of analytical methods may be required to reduce hands on time, and improve reliability of the methods through reducing assay variability. Indeed, we have shown that automation of analytical methods is feasible (evaluated using an ELISA based assay) and would result in more precise measurements (demonstrated by lower co-efficient of Variation and standard deviation), less hands-on time, and swift compared to a manually run assay. Therefore, in order to support commercialization of iPSC-based therapies we suggest a well-designed testing strategy to be established in the development phase while incorporating robust, reproducible, reliable, and potentially automated analytics in the manufacturing process.
@article{suresh23_charac,
  title =	 "Characterization of human induced pluripotent stems cells:
                  Current approaches, challenges, and future solutions",
  author =	 "Suresh Babu, Sahana and Duvvuru, Haritha and Baker, Jillian
                  and Switalski, Stephanie and Shafa, Mehdi and Panchalingam,
                  Krishna Morgan and Dadgar, Saedeh and Beller, Justin and
                  Ahmadian Baghbaderani, Behnam",
  abstract =	 "Human induced pluripotent stem cells (iPSC) have demonstrated
                  massive potentials for use in regenerative and personalized
                  medicine due to their ability to expand in culture and
                  differentiate into specialized cells with therapeutic
                  benefits.  However, in order to industrialize iPSC-derived
                  therapies, it is necessary to address the existing challenges
                  surrounding the analytics implemented in the manufacturing
                  process to evaluate and monitor cell expansion,
                  differentiation, and quality of the final products. Here, we
                  review some of the key analytical methods used as part of
                  identity, potency, or safety for in-process or final product
                  release testing and highlighted the challenges and potential
                  solutions for consideration in the Chemistry, Manufacturing
                  and Controls (CMC) strategy for iPSC-based therapies. Some of
                  the challenges associated with characterization and testing
                  of iPSC-based products are related to the choice of
                  analytical technology (to ensure fit-for-purpose), assay
                  reliability and robustness. Automation of analytical methods
                  may be required to reduce hands on time, and improve
                  reliability of the methods through reducing assay
                  variability. Indeed, we have shown that automation of
                  analytical methods is feasible (evaluated using an ELISA
                  based assay) and would result in more precise measurements
                  (demonstrated by lower co-efficient of Variation and standard
                  deviation), less hands-on time, and swift compared to a
                  manually run assay. Therefore, in order to support
                  commercialization of iPSC-based therapies we suggest a
                  well-designed testing strategy to be established in the
                  development phase while incorporating robust, reproducible,
                  reliable, and potentially automated analytics in the
                  manufacturing process.",
  journal =	 "Biotechnol. Rep. (Amst.)",
  publisher =	 "Elsevier BV",
  volume =	 37,
  number =	 "e00784",
  pages =	 "e00784",
  month =	 mar,
  year =	 2023,
  keywords =	 "Analytical methods; Assay robustness; Automation; Cell
                  therapies; iPSCs",
  copyright =	 "http://creativecommons.org/licenses/by-nc-nd/4.0/",
  language =	 "en"
}

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