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PETBioNewsGlossaryGerm cells

BioNews

Germ cells

Egg and sperm cells (also known as gametes) and their precursors.

132 articles
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 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.
Comment
11 April 2022 • 5 minutes read

Why IVF does not affect ovarian reserves

by Professor Adam Balen and 1 others

Recently the 'reality' television star Kourtney Kardashian claimed that the IVF treatment she received had 'put her into the menopause' in the trailer for a new series of 'Meet the Kardashians'...

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 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
18 February 2022 • 2 minutes read

China study shows pollution exposure reduces sperm motility

by Georgia Stimpson

Air pollution, in the form of particulate matter exposure, has been associated with reduced sperm quality...

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
10 December 2021 • 2 minutes read

Early male and female germ cells regulate their gene expression differently

by Eleanor Gallegos

Gene expression during early development of primordial germ cells is sex-specific...

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.
Reviews
3 December 2021 • 3 minutes read

Video Review: Will I Be Able to Have Children After My Treatment?

by Francesca Sowerbutts

Cancer treatments like chemotherapy and radiotherapy often cause substantial loss of the cells responsible for creating gametes, meaning they can cause patients to become infertile...

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
10 September 2021 • 2 minutes read

Functional sperm developed from mouse pluripotent stem cells

by Purvi Shah

Researchers in Japan have successfully demonstrated the development of functional sperm cells that developed into fertile offspring from pluripotent embryonic stem cells, in mice...

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
3 September 2021 • 2 minutes read

Early embryo cell fate discovered with whole genome sequencing

by Tsvetana Stoilova

Researchers have successfully decoded the human embryogenesis process by tracking somatic mutations in adult tissues.

PET BioNews
News
6 August 2021 • 2 minutes read

Gene responsible for lack of sperm identified

by Dr Emma Green

Gene variants affecting a single gene have been identified in men who do not produce sperm, giving some insight into genetic control of sperm production...

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
16 July 2021 • 2 minutes read

Mouse eggs made from mouse stem cells matured in vitro

by Ruth Retassie

An in vitro gametogenesis (IVG) breakthrough has been achieved as mouse stem cells have been used to create egg cells that have successfully developed into live mice when used in IVF...

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