Abstract
Research on early human development is crucial for understanding the origins of life and mechanisms underlying disease onset. However, these studies have significant challenges owing to ethical restrictions and technical limitations. Stem cell technology advancement has led to the development of blastoids to overcome these challenges.” Blastoids are three-dimensional structures produced by pluripotent stem cells (PSCs) that resemble the blastocyst stage of human embryos. Research on blastoids can enhance our understanding of early human development and drive innovations in regenerative medicine and disease modeling.This review outlines the background of blastoid development and highlights the limitations of existing organoid research. It presents developments in blastoid research, from previous studies using animal models to the latest developments using human stem cell-derived blastoids in early human development studies. Additionally, this review provides a comparative analysis of the methods used to develop blastoids across various studies, evaluating their potential as ethical alternatives for regenerative medicine, human developmental biology, and embryonic research. It further assesses the ethical and social considerations surrounding blastoid research, the current strategies to address these concerns, and the potential long-term impact on science and medicine.We aimed to provide a comprehensive understanding of the current trends in blastoid research, offer new insights into early human development, and suggest novel directions and approaches for researchers.
Published Version
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