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Articles by Lucy Freem
Obituary: Professor David Tennent Baird, eminent reproductive endocrinologist
Obituary: Professor David Tennent Baird, eminent reproductive endocrinologist 21 February 2022 By Professor Richard Anderson Head of obstetrics and gynaecology and co-director of the MRC Centre for Reproductive Health at the University of Edinburgh. Appeared in BioNews 1133 Professor David Baird, the most eminent British reproductive endocrinologist of his generation, died on 12th February 2022 at the age of 86.
Genetic variants that cause hypertension in pregnancy identified
Genetic variants that cause hypertension in pregnancy identified 23 August 2021 Appeared in BioNews 1109 An international study has identified a unique pair of genetic variants that can cause the sudden onset of high blood pressure in pregnant women. The condition, called primary aldosteronism, causes sudden onset high blood pressure via increased production of the hormone aldosterone, can occur without warning during early pregnancy.
FDA seeks to shutdown two rogue stem cell clinics
The US Food and Drug Administration (FDA) is seeking to shut down two clinics offering treatments based on stem cells. The regulator filed permanent injunctions in federal court last week against the clinics for marketing unapproved stem cell products and for failing to comply with manufacturing guidelines.
Blood test could warn of return of skin cancer
UK scientists say they are closer to developing an 'early warning system' for the return of cancer in patients using a simple blood test. A study in 161 patients with malignant melanoma found a blood test for specific gene mutations was predictive of which patients would relapse after surgery to remove their cancers.
Autism, genetics and epigenetics: why the lived experience matters in research
Popular scientific publications regularly have articles with headlines suggesting that 'autism is hereditary' or that the 'risk for developing autism' is mostly caused by genetics (see BioNews 920). Consequently, there is the suggestion that associating certain genes with certain subtypes of autism will pave the way for future medicines (see BioNews 892).
Skin colour genes study gives evolutionary insights
Some dark skin tones have evolved relatively recently from paler genetic variants. A study of genetic variation and skin colour in African populations has illuminated a number of gene variants that have a role in determining the levels of pigmentation expressed in the skin and their likely evolutionary basis.
New gene silencing method discovered
US scientists have identified a new mechanism by which gene are silenced, or 'imprinted' during early embryonic development. As imprinted genes are critical for early development, the discovery of this new epigenetic mechanism could have important implications for embryology research.
Experts call for global action on unproven stem cell therapies
International experts are calling for global action on unproven and potentially dangerous stem cell therapies, and their misleading marketing to the public. 'Many patients feel that potential cures are being held back by red tape and lengthy approval processes. Although this can be frustrating, these procedures are there to protect patients from undergoing needless treatments that could put their lives at risk,' said Dr Sarah Chan from the University of Edinburgh.
Autism stem cell trial reports improvement in symptoms
Children with autism spectrum disorder (ASD) who received infusions of their own stem cells from banked umbilical cord blood as part of a clinical trial have no apparent lasting adverse effects after one year. Parents of some of the 25 children in the study – who were aged between two to five – reported that their kids showed reduced signs of ASD after the treatment.
Video Review: The God Cells - A Fetal Stem Cell Journey
When I first read the title of this documentary – 'The God Cells' directed by multi-award winner Eric Merola – I wondered if I was about to experience 90 minutes of religious debate about the ethical use of fetal-derived stem cells. I was pleasantly surprised to discover that was not the case.
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