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PETBioNewsGlossaryStem cell

BioNews

Stem cell

A cell that can multiply and give rise to a variety of other, more specialised cell types. For example, stem cells in the bone marrow make many different blood cells.

1555 articles
Image by Sílvia Ferreira, Cristina Lopo and Eileen Gentleman via the Wellcome Collection. Depicts a single human stem cell embedded within a porous hydrogel matrix (false colour).
CC BY 4.0
Image by Sílvia Ferreira, Cristina Lopo and Eileen Gentleman via the Wellcome Collection. Depicts a single human stem cell embedded within a porous hydrogel matrix (false-coloured cryogenic scanning electron micrograph).
News
20 June 2022 • 3 minutes read

Brain organoids reveal effect of sodium valproate on prenatal brain

by Dr Emma Green

New research using brain organoids suggests that stem cell senescence, where cells are halted in a suspended state, is responsible for the fetal brain changes caused by sodium valproate...

Image by Peter Artymiuk via the Wellcome Collection. Depicts the shadow of a DNA double helix, on a background that shows the fluorescent banding of the output from a DNA sequencing machine.
CC BY 4.0
Image by Peter Artymiuk via the Wellcome Collection. Depicts the shadow of a DNA double helix, on a background that shows the fluorescent banding of the sequencing output from an automated DNA sequencing machine.
News
13 June 2022 • 2 minutes read

Drop in diversity of blood stem cells leads to old-age health issues

by Devika Sooklall

Mutations which lead to the dominance of certain blood stem cells in the over 70s could be behind some of the health issues people experience in old age...

Image by K Hardy via the Wellcome Collection. Depicts a human embryo at the blastocyst stage (about six days after fertilisation) 'hatching' out of the zona pellucida.
CC BY 4.0
Image by K Hardy via the Wellcome Collection. Depicts a human embryo at the blastocyst stage (about six days after fertilisation) 'hatching' out of the zona pellucida.
Comment
13 June 2022 • 5 minutes read

Fertility Frontiers: What Is a 'Permitted' Embryo in Law?

by Dr Antony Starza-Allen

The question of what is a 'permitted embryo' under the legislation governing assisted reproduction in the UK has received increasing scrutiny as technological progress challenges the concept of embryohood...

PET BioNews
News
23 May 2022 • 2 minutes read

Pre-made stem cells to treat aggressive brain cancer

by Sneha Krishnamurthy

A new form of stem cell-based therapy has been developed and tested in mice for the treatment of glioblastoma, a highly aggressive form of brain cancer...

Image by Sílvia Ferreira, Cristina Lopo and Eileen Gentleman via the Wellcome Collection. Depicts a single human stem cell embedded within a porous hydrogel matrix (false colour).
CC BY 4.0
Image by Sílvia Ferreira, Cristina Lopo and Eileen Gentleman via the Wellcome Collection. Depicts a single human stem cell embedded within a porous hydrogel matrix (false-coloured cryogenic scanning electron micrograph).
News
23 May 2022 • 2 minutes read

Process for developing organoid models of the cervix published

by Ochuko Oyeye

Details of how to develop three-dimensional organoid models of the cervix have been published...

Image by Alan Handyside via the Wellcome Collection. Depicts a human egg soon after fertilisation, with the two parental pronuclei clearly visible.
CC0 1.0
Image by Alan Handyside via the Wellcome Collection. Depicts a human egg soon after fertilisation, with the two parental pronuclei clearly visible.
News
13 May 2022 • 2 minutes read

Rat testicle cells frozen for 23 years make sperm

by David Cansfield

Rat testicle stem cells that were frozen for 23 years and then grafted onto infertile mice, have been shown to produce viable sperm...

Image by K Hardy via the Wellcome Collection. Depicts a human embryo at the blastocyst stage (about six days after fertilisation) 'hatching' out of the zona pellucida.
CC BY 4.0
Image by K Hardy via the Wellcome Collection. Depicts a human embryo at the blastocyst stage (about six days after fertilisation) 'hatching' out of the zona pellucida.
News
6 May 2022 • 2 minutes read

Precursor to blood-forming stem cells determined in human embryo

by Catherine Turnbull

Precursors to the stem cells that make blood have been derived in vitro from human pluripotent stem cells for the first time...

Image by Alan Handyside via the Wellcome Collection. Depicts a human egg soon after fertilisation, with the two parental pronuclei clearly visible.
CC0 1.0
Image by Alan Handyside via the Wellcome Collection. Depicts a human egg soon after fertilisation, with the two parental pronuclei clearly visible.
News
8 April 2022 • 2 minutes read

Stem-cell-derived rat sperm cells used to produce healthy offspring

by Abbie Harper

Functional sperm have been developed in vitro from rat stem cells and used to fertilise eggs and produce healthy offspring for the first time...

Image by Bill Sanderson via the Wellcome Collection, © Wellcome Trust Ltd 1990. Depicts Laocoön and his family (from Greek and Roman mythology) entwined in coils of DNA.
Image by Bill Sanderson via the Wellcome Collection, © Wellcome Trust Ltd 1990. Depicts Laocoön and his family entwined in coils of DNA (based on the figure of Laocoön from Greek and Roman mythology).
Comment
28 March 2022 • 4 minutes read

Stem cell clinic to pay out class action settlement

by Dr Patrick Foong

StemGenex, a now-closed stem cell clinic in San Diego, California, has agreed to pay out US$3.65 million as a class action settlement to its former patients for ineffective stem cell treatments they received...

Image by Alan Handyside via the Wellcome Collection. Depicts a human egg soon after fertilisation, with the two parental pronuclei clearly visible.
CC0 1.0
Image by Alan Handyside via the Wellcome Collection. Depicts a human egg soon after fertilisation, with the two parental pronuclei clearly visible.
News
25 March 2022 • 2 minutes read

3D printing used to create testicular tubules

by David Cansfield

Testicular tubules have been created using a 3D printing technique for the first time ever, which may provide hope for men with infertility...

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