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Lee Y, Koo O, Saadeldin IM. Generation of induced pluripotent stem cells from the Asian bats. Int J Vet Sci Med 2024; 12:81-90. [PMID: 39139714 PMCID: PMC11321101 DOI: 10.1080/23144599.2024.2384835] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2024] [Revised: 07/20/2024] [Accepted: 07/21/2024] [Indexed: 08/15/2024] Open
Abstract
Preservation of native Korean bats is crucial for maintaining ecological balance, as they play a vital role in insect control, pollination, and seed dispersal within their ecosystems. The present study details the establishment of bat induced pluripotent stem cells (BatiPSCs) from two Asian and Korean bats (Hypsugo alaschanicus and Pipistrellus abramus) using the Sendai Reprogramming Kit. Colonies of BatiPSCs, exhibiting distinctive features, were manually selected and expanded following successful transfection. Characterization of BatiPSCs revealed the expression of pluripotency markers, such as Octamer-binding transcription factor 4 (Oct4), SRY (sex-determining region Y)-box 2 and Nanog, with notably increased Oct4 levels and reduced Myc proto-oncogene expression compared with those noted in other induced pluripotent stem cell sources. BatiPSCs displayed positive staining for alkaline phosphatase and demonstrated the ability to form embryoid bodies, while also inducing teratomas in non-immune nude mice. Additionally, green fluorescent protein (GFP)-expressing BatiPSCs were generated and used for chimeric mouse production, with slight GFP signals detected in the neck region of the resulting mouse foetuses. These findings demonstrate the successful generation and characterization of BatiPSCs, emphasizing their potential applications in chimeric animal models, and the protection of endangered bat species.
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Affiliation(s)
- Younsu Lee
- Division of R&D, RedGene Inc, Seoul, Republic of Korea
| | - Okjae Koo
- College of Veterinary Medicine, Kyungpook National University, Daegu, Republic of Korea
- nSAGE Inc., Incheon, Republic of Korea
| | - Islam M. Saadeldin
- Comparative Medicine Department, King Faisal Specialist Hospital and Research Centre, Riyadh, Saudi Arabia
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Thanaskody K, Natashah FN, Nordin F, Kamarul Zaman WSW, Tye GJ. Designing molecules: directing stem cell differentiation. Front Bioeng Biotechnol 2024; 12:1396405. [PMID: 38803845 PMCID: PMC11129639 DOI: 10.3389/fbioe.2024.1396405] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2024] [Accepted: 04/23/2024] [Indexed: 05/29/2024] Open
Abstract
Stem cells have been widely applied in regenerative and therapeutic medicine for their unique regenerative properties. Although much research has shown their potential, it remains tricky in directing stem cell differentiation. The advancement of genetic and therapeutic technologies, however, has facilitated this issue through development of design molecules. These molecules are designed to overcome the drawbacks previously faced, such as unexpected differentiation outcomes and insufficient migration of endogenous or exogenous MSCs. Here, we introduced aptamer, bacteriophage, and biological vectors as design molecules and described their characteristics. The methods of designing/developing discussed include various Systematic Evolution of Ligands by Exponential Enrichment (SELEX) procedures, in silico approaches, and non-SELEX methods for aptamers, and genetic engineering methods such as homologous recombination, Bacteriophage Recombineering of Electroporated DNA (BRED), Bacteriophage Recombineering with Infectious Particles (BRIP), and genome rebooting for bacteriophage. For biological vectors, methods such as alternate splicing, multiple promoters, internal ribosomal entry site, CRISPR-Cas9 system and Cre recombinase mediated recombination were used to design viral vectors, while non-viral vectors like exosomes are generated through parental cell-based direct engineering. Besides that, we also discussed the pros and cons, and applications of each design molecule in directing stem cell differentiation to illustrate their great potential in stem cells research. Finally, we highlighted some safety and efficacy concerns to be considered for future studies.
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Affiliation(s)
- Kalaiselvaan Thanaskody
- Centre for Tissue Engineering and Regenerative Medicine (CTERM), Faculty of Medicine, National University of Malaysia, Kuala Lumpur, Malaysia
| | - Fajriyah Nur Natashah
- Centre for Tissue Engineering and Regenerative Medicine (CTERM), Faculty of Medicine, National University of Malaysia, Kuala Lumpur, Malaysia
| | - Fazlina Nordin
- Centre for Tissue Engineering and Regenerative Medicine (CTERM), Faculty of Medicine, National University of Malaysia, Kuala Lumpur, Malaysia
| | - Wan Safwani Wan Kamarul Zaman
- Department of Pharmaceutical Life Sciences, Faculty of Pharmacy, Universiti Malaya, Kuala Lumpur, Malaysia
- Centre for Innovation in Medical Engineering (CIME), Department of Biomedical Engineering, Faculty of Engineering, Universiti Malaya, Kuala Lumpur, Malaysia
| | - Gee Jun Tye
- Institute for Research in Molecular Medicine (INFORMM), Universiti Sains Malaysia, Gelugor, Malaysia
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Liu DH, Tseng HC, Lee MS, Chiou GY, Wang CT, Lin YY, Lai WY, Liu YH, Wang CY, Lee CY, Kao CL, Chen CF, Chien Y. Overcoming the challenges of scalable iPSC generation in translation medicine. J Chin Med Assoc 2024; 87:163-170. [PMID: 38132887 DOI: 10.1097/jcma.0000000000001046] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/23/2023] Open
Abstract
BACKGROUND The potential of induced pluripotent stem cells (iPSCs) in revolutionizing regenerative medicine cannot be overstated. iPSCs offer a profound opportunity for therapies involving cell replacement, disease modeling, and cell transplantation. However, the widespread application of iPSC cellular therapy faces hurdles, including the imperative to regulate iPSC differentiation rigorously and the inherent genetic disparities among individuals. To address these challenges, the concept of iPSC super donors emerges, holding exceptional genetic attributes and advantageous traits. These super donors serve as a wellspring of standardized, high-quality cell sources, mitigating inter-individual variations and augmenting the efficacy of therapy. METHODS In pursuit of this goal, our study embarked on the establishment of iPSC cell lines specifically sourced from donors possessing the HLA type (A33:03-B58:01-DRB1*03:01). The reprogramming process was meticulously executed, resulting in the successful generation of iPSC lines from these carefully selected donors. Subsequently, an extensive characterization was conducted to comprehensively understand the features and attributes of these iPSC lines. RESULTS The outcomes of our research were highly promising. The reprogramming efforts culminated in the generation of iPSC lines from donors with the specified HLA type. These iPSC lines displayed a range of distinctive characteristics that were thoroughly examined and documented. This successful generation of iPSC lines from super donors possessing advantageous genetic traits represents a significant stride towards the realization of their potential in therapeutic applications. CONCLUSION In summary, our study marks a crucial milestone in the realm of regenerative medicine. The establishment of iPSC lines from super donors with specific HLA types signifies a paradigm shift in addressing challenges related to iPSC cellular therapy. The standardized and high-quality cell sources derived from these super donors hold immense potential for various therapeutic applications. As we move forward, these findings provide a solid foundation for further research and development, ultimately propelling the field of regenerative medicine toward new horizons of efficacy and accessibility.
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Affiliation(s)
- Ding-Hao Liu
- Institute of Clinical Medicine, National Yang Ming Chiao Tung University, Taipei, Taiwan, ROC
- Department of Physical Medicine and Rehabilitation, Taipei Veterans General Hospital, Taipei, Taiwan, ROC
| | - Huan-Chin Tseng
- School of Medicine, National Yang Ming Chiao Tung University, Taipei, Taiwan, ROC
- Department of Medical Research, Taipei Veterans General Hospital, Taipei, Taiwan, ROC
| | - Meng-Shiue Lee
- Institute of Molecular Medicine and Bioengineering, National Yang Ming Chiao Tung University, Hsinchu, Taiwan, ROC
| | - Guang-Yuh Chiou
- Department of Biological Science and Technology, National Yang Ming Chiao Tung University, Hsinchu, Taiwan, ROC
- Center for Intelligent Drug Systems and Smart Bio-devices (IDS2B), National Yang Ming Chiao Tung University, Hsinchu, Taiwan, ROC
| | - Chin-Tien Wang
- Institute of Clinical Medicine, National Yang Ming Chiao Tung University School of Medicine, Taipei, Taiwan, ROC
- Division of Clinical Research, Department of Medical Research, Taipei Veterans General Hospital, Taipei, Taiwan, ROC
| | - Yi-Ying Lin
- School of Medicine, National Yang Ming Chiao Tung University, Taipei, Taiwan, ROC
- Department of Medical Research, Taipei Veterans General Hospital, Taipei, Taiwan, ROC
| | - Wei-Yi Lai
- School of Medicine, National Yang Ming Chiao Tung University, Taipei, Taiwan, ROC
- Department of Medical Research, Taipei Veterans General Hospital, Taipei, Taiwan, ROC
| | - Yu-Hao Liu
- School of Medicine, National Yang Ming Chiao Tung University, Taipei, Taiwan, ROC
- Department of Medical Research, Taipei Veterans General Hospital, Taipei, Taiwan, ROC
| | - Chien-Ying Wang
- School of Medicine, National Yang Ming Chiao Tung University, Taipei, Taiwan, ROC
- Department of Exercise and Health Sciences, University of Taipei, Taipei, Taiwan, ROC
- Department of Critical Care Medicine, Taipei Veterans General Hospital, Taipei, Taiwan, ROC
- Division of Trauma, Department of Emergency Medicine, Taipei Veterans General Hospital, Taipei, Taiwan, ROC
| | - Chen-Yi Lee
- Department of Electronics Engineering and Institute of Electronics, National Chiao Tung University, Hsinchu, Taiwan, ROC
| | - Chung-Lan Kao
- Department of Physical Medicine and Rehabilitation, Taipei Veterans General Hospital, Taipei, Taiwan, ROC
- School of Medicine, National Yang Ming Chiao Tung University, Taipei, Taiwan, ROC
- Center for Intelligent Drug Systems and Smart Bio-devices (IDS2B), National Yang Ming Chiao Tung University, Hsinchu, Taiwan, ROC
| | - Cheng-Fong Chen
- Department of Exercise and Health Sciences, University of Taipei, Taipei, Taiwan, ROC
- Department of Orthopaedics and Traumatology, Taipei Veterans General Hospital, Taipei, Taiwan, ROC
- Department of Surgery, School of Medicine, National Yang Ming Chiao Tung University, Taipei, Taiwan, ROC
| | - Yueh Chien
- School of Medicine, National Yang Ming Chiao Tung University, Taipei, Taiwan, ROC
- Department of Medical Research, Taipei Veterans General Hospital, Taipei, Taiwan, ROC
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