Mouse sperm can help human infertility?

accreditation
The finding marks a step forward for using stem cells for regenerative medicine.

Stem cells are the body's master cells and source of all cells and tissues. Because they can grow into different types of cells and multiply, experts hope to harness them to treat diseases and disorders, including cancer and diabetes.

Scientists at Kyoto University removed stem cells from mouse embryos and managed to coax them into a type of precursor cell known to grow into either mouse eggs or sperm.

They then transplanted these cells into the testes of infertile male mice - which apparently went on to produce healthy sperm.

"The sperm were removed directly from the testes and fertilised with eggs (on laboratory dishes)," said lead author Mitinori Saitou.

"After insemination, we made two set of embryos and these were transferred into the uterus of the foster mother and they derived healthy mice (that went on to reproduce normally)."

Growing human sperm?


The experiment showed scientists how they can prepare precursor cells to eventually grow into sperm or egg.

"We have huge materials to work with now and... we can accelerate our study into the cause of human infertility," said Saitou.

Saitou's team believes it may be possible to use adult human stem cells to grow human sperm.

"We can possibly use this knowledge to induce human primordial germ cells (cells that grow into eggs or sperm)," he said.

More work was needed, he said, because of the gulf between animal and human research.

For the moment, the team was trying to repeat their feat by producing mouse eggs using stem cells, he said.

Would you consider this if you needed help falling pregnant?

We live in a world where facts and fiction get blurred
In times of uncertainty you need journalism you can trust. For 14 free days, you can have access to a world of in-depth analyses, investigative journalism, top opinions and a range of features. Journalism strengthens democracy. Invest in the future today. Thereafter you will be billed R75 per month. You can cancel anytime and if you cancel within 14 days you won't be billed. 
Subscribe to News24
Voting Booth
What are your thoughts on the possibility of having permanent Stage 2 or 3 load shedding?
Please select an option Oops! Something went wrong, please try again later.
Results
I'll take that over constant schedule changes
13% - 695 votes
Why are we normalising Eskom’s mess?
72% - 3783 votes
I've already found alternative ways of powering my home/business
15% - 809 votes
Vote
Rand - Dollar
17.18
+0.1%
Rand - Pound
21.31
+0.3%
Rand - Euro
18.69
+0.2%
Rand - Aus dollar
12.18
+0.4%
Rand - Yen
0.13
+0.1%
Platinum
1,018.15
+0.6%
Palladium
1,645.80
+1.7%
Gold
1,933.34
+0.2%
Silver
23.70
+0.4%
Brent Crude
86.66
-0.9%
Top 40
74,766
0.0%
All Share
80,791
0.0%
Resource 10
77,871
0.0%
Industrial 25
103,872
0.0%
Financial 15
16,281
0.0%
All JSE data delayed by at least 15 minutes Iress logo
Editorial feedback and complaints

Contact the public editor with feedback for our journalists, complaints, queries or suggestions about articles on News24.

LEARN MORE