Molecular Psychology Brain Behavior and Society（2023）
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摘要
Human cerebral organoids (hCOs), produced in labs through directed cell culture of embryonic or induced pluripotent stem cells, closely replicate the 3-dimensional architecture of the human brain on a micro scale. This technology has been used to model neurological disease and shows promise to complement or supplant animal subjects in preclinical therapeutic investigation. However, attention must be paid by researchers and institutions to the various ethical concerns associated with hCO development. Human-animal chimeras produced through the grafting of hCOs have shown integration of neurological function, calling into question the moral status of both the animal chimeras and the organoid itself. Sensationalist reporting on such acts may also prompt public backlash, potentially jeopardizing hCO research and the promised benefits thereof. Moreover, concerns arise over privacy and consent for past and prospective donors of stem cells used to produce organoids. Genetic information may be considered privileged to the public domain and disrupted trust can reduce the supply of willing donors. Though hCOs are believed thus far to lack the capacity for consciousness and cognitive function, consideration must be given to their potential status as moral agents with further development or enhancement. Boundaries concerning organoids adhered to by researchers have been largely voluntary and informal to this point. By edict or by the power of the purse, governmental regulatory agencies ought to formalize necessary guidelines to ensure compliance with ethical principles and the adequate representation of all affected stakeholders in future decisions.
