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Bioethics >Observatory
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NEWSLETTER No. 149

June 2026

SPECIAL REPORTS

A new breakthrough in chromosome silencing offers a potential treatment pathway for trisomy 21

A new breakthrough in chromosome silencing offers a potential treatment pathway for trisomy 21

A recent study published in PNAS presents a breakthrough in Down syndrome research by optimizing a strategy to silence the extra chromosome 21 (primarily responsible for the disorder) through integration of the XIST (X-inactive specific transcript) gene using CRISPR-Cas9 technology. This approach, inspired by the natural mechanism of X-chromosome inactivation, markedly improves specificity and efficiency in in vitro studies, opening new avenues …
Tattoos, lymphoma, and skin cancer: the urgent need for ethical regulation and biosafety guarantees

Tattoos, lymphoma, and skin cancer: the urgent need for ethical regulation and biosafety guarantees

Tattoos have ceased to be a simple aesthetic expression and have become the object of growing scientific and health concerns. New epidemiological studies link certain inks and their accumulation in the body to an increased risk of lymphoma and skin cancer, while researchers and authorities warn about the presence of heavy metals and potentially carcinogenic compounds in their pigments. Given …
Craig Venter's legacy: from decoding the genome to creating synthetic life

Craig Venter's legacy: from decoding the genome to creating synthetic life

The recent death of J. Craig Venter prompts a reflection on the legacy of one of the most influential figures in the contemporary genomics revolution. From the intense scientific rivalry that marked the Human Genome Project to the development of synthetic biology, his career epitomizes the shift from deciphering life to attempting to design it. This article traces the defining moments of his scientific …
Euthanasia pressure in Canada: The alarming case of a Catholic priest

Euthanasia pressure in Canada: The alarming case of a Catholic priest

In Canada, the insistence on promoting euthanasia or “Medical Assistance in Dying” (MAiD) has reached the point of being repeatedly offered to patients who do not suffer from terminal illnesses. A representative example of this worrying trend is the case of Father Larry Holland, a 79-year-old priest who, while recovering from a hip fracture at Vancouver General Hospital, was offered …
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