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Ethics and Bioethics

Ethics and Bioethics

Ethics is a philosophical study of moral actions. Ethics attempts to determine what is valuable for individuals and society. It examines the rational justification of moral judgments and analyzes what is morally just, fair, and right. Bioethics is a sub-discipline of applied ethics that analyzes the philosophical, social, and legal issues in life sciences and medicine. Ethical theories serve as a foundation for decision-making and represent the viewpoints from which people seek direction. They...

Ethics in Research

Ethics in Research

Today, scientists agree that good research is ethical in nature and is guided by a basic respect for human dignity and safety. However, this has not always been the case. Modern researchers must demonstrate that the research they perform is ethically sound.

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Author Spotlight: Standardizing Limbal Niche Cell (LNC) Isolation and Characterization to Support Widespread LNC Research

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Liminal Bioethics for Liminal Statuses: A New Method for Analysing Novel Biological Entities.

Michael Wee¹, Ilina Singh²

¹Ethox Centre, University of Oxford, Oxford, UK.

|December 7, 2025

Summary

Novel biological entities like cell lines challenge existing ethical categories. Liminal bioethics offers a framework to address their unique status, proposing new principles for immortalized cell lines, organoids, and assembloids.

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Last Updated: Jan 9, 2026

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BioMEMS and Cellular Biology: Perspectives and Applications

BioMEMS and Cellular Biology: Perspectives and Applications

Published on: October 1, 2007

Area of Science:

Bioethics
Cell Biology
Biotechnology Ethics

Background:

Novel biological entities (NBEs) like cell lines and organoids defy traditional classifications (e.g., human/nonhuman, gift/property).
This ambiguity complicates the development of ethical principles and policy solutions for NBEs.
Existing ethical frameworks struggle to accommodate the unique status of NBEs.

Purpose of the Study:

Introduce a novel ethical framework, 'liminal bioethics,' for understanding and addressing the ethical challenges posed by NBEs.
Propose that NBEs are best understood as 'liminal' entities, existing conceptually between established categories.
Demonstrate the application of liminal bioethics using immortalized cell lines as a case study, with implications for organoids and assembloids.

Main Methods:

Analyze the inadequacy of the gift-property distinction for immortalized cell lines.
Conceptualize cell lines as occupying a liminal space between body part and organism.
Examine the ethical implications of this conceptual shift for NBEs, including organoids and assembloids.

Main Results:

The gift-property dichotomy fails to adequately capture the ethical complexities of cell lines.
Cell lines represent a liminal entity situated between body parts and organisms.
This liminal status necessitates a re-evaluation of ethical principles governing NBEs.

Conclusions:

Liminal bioethics provides a precise conceptual tool for articulating the status of NBEs.
Ethical principles for cell lines should acknowledge their liminality, allowing for different considerations than body parts (e.g., commercial exchange).
While commercialization may be more acceptable, ethical frameworks must still address the continuing human connection to cell lines and related NBEs.