Can Humans Reproduce In Zero-Gravity?

New research details biological difficulties in mammalian reproduction and development in space. Teruhiko Wakayama and his colleagues at the RIKEN Center for Developmental Biology in Kobe used a 3D clinostat to conduct experiments with mouse sperm and ova in a microgravity environment.


( The 3D clinostat apparatus )

The 3D clinostat apparatus uses rotation in all three dimensions to enable cell culture experiments under conditions that recreate zero-gravity. This allows research on the earliest stages of embryonic development in an environment that simulates space travel.

They performed in vitro fertilization (IVF) experiments with mouse sperm and ova, both within the clinostat and at regular gravity (1G), and determine that microgravity had minimal effects on fertilization. It may prove detrimental to subsequent development, however. Microgravity-cultured embryos successfully reached the two-cell stage and yielded viable offspring upon implantation into female mice, but at a significantly lower rate than their 1G counterparts. The researchers observed more severe negative effects when embryos were transplanted following longer culture periods in the clinostat.

Microgravity led to an overall reduction in the rate of blastocyst formation after 96 hours of culture, and closer examination of these blastocysts revealed that the differentiation of embryonic cells into trophectodermóthe tissue that nourishes the embryo and ultimately contributes to placenta formationówas markedly impaired.

This finding casts into doubt the science fictional notion that human beings can survive in zero gravity or in the microgravity environment of large asteroids (Belters, I'm talking to you!).

From Riken Research via Medgadget.

Scroll down for more stories in the same category. (Story submitted 11/27/2009)

Follow this kind of news @Technovelgy.

| Email | RSS | Blog It | Stumble | del.icio.us | Digg | Reddit |

Would you like to contribute a story tip? It's easy:
Get the URL of the story, and the related sf author, and add it here.

Comment/Join discussion ( 2 )

Related News Stories - (" Medical ")

AliveCor App Detects Heart Arrhythmias, Has FDA Approval
Works on humans and puppeteers.

Artificial Wombs - Ectogenesis Technology - Is On The Way
'Magnificent, aren't they? (Lama Su, in Star Wars II)

Bionic Hand Provides 'Lifelike' Sensations, Like Luke Skywalker's
A fictional scene becomes reality in just thirty-five years.

Neural Implant To Treat Memory Loss
'You've got remote storage. How regular is the update?'- Richard Morgan, 2003.

 

Google
  Web TechNovelgy.com   

Technovelgy (that's tech-novel-gee!) is devoted to the creative science inventions and ideas of sf authors. Look for the Invention Category that interests you, the Glossary, the Invention Timeline, or see what's New.

 

 

 

 

 

Current News

New Material Is One Molecule Thick
'Hasan always pitched a Gauzy - a one-molecule-layer tent...'

Robot Swarm Obeys Commands
'What is the nature of this cloud? What is your opinion?'

AliveCor App Detects Heart Arrhythmias, Has FDA Approval
Works on humans and puppeteers.

Laws Of Robotics Rewritten for Health Care
A lot has happened in health care robotics since 1942...

Origami Robot Finally Self-Assembles, Walks On Its Own
Now shipping flat, but better than Ikea, because self-assembling.

A.L.O. Robot Butler Serves You At Aloft Hotel
'Her idea of what a butler-valet combo should look like...'

Mometum Machines Burgerbot
'One of these gorgeous eating places where we were served entirely by mechanical apparatus...'

Google Lobbies For Autonomous Motorcycles
'He had never ridden any motorized device that lacked onboard steering and balance systems.'

No Cages In Future Zoos Is Zootopia?
'The park... twisted through specimens from every inhabited planet of the known universe.'

Navdy HeadUp Display (HUD) For Your Car
'All displays are thrown on a mirror in front of you...'

Computer 'Aesop' Writes Fables With A Moral
'I handed Tony the master tape and he played it into the IBM'

Artificial Wombs - Ectogenesis Technology - Is On The Way
'Magnificent, aren't they? (Lama Su, in Star Wars II)

Robotic Exoskeleton For Shipyard Workers
'Earth's scientists solved the problem... devising rigid metallic clothing not unlike armor...'

Timeful Appointment App Learns, Optimizes Your Routines
'The [Daily Schedule program] suited its tone to his movements and the combined analysis of his psychophysical condition.'

3D Printing Your Science-Fictional Metals
I love science-fictional materials!

Bespoke Clothing In 30 Minutes
'He sat himself down in a sales cubicle and dialed the code number for kilts.'

More SF in the News Stories

More Beyond Technovelgy science news stories

Home | Glossary | Invention Timeline | Category | New | Contact Us | FAQ | Advertise |
Technovelgy.com - where science meets fiction™

Copyright© Technovelgy LLC; all rights reserved.