News tagged with embryonic development

Scientists show how nerve wiring self-destructs

Many medical issues affect nerves, from injuries in car accidents and side effects of chemotherapy to glaucoma and multiple sclerosis. The common theme in these scenarios is destruction of nerve axons, the ...

Neuroscience created May 09, 2013 | popularity 5 / 5 (1) | comments 0 | with audio podcast

Making cancer less cancerous: Blocking a single gene renders tumors less aggressive

Researchers at Johns Hopkins have identified a gene that, when repressed in tumor cells, puts a halt to cell growth and a range of processes needed for tumors to enlarge and spread to distant sites. The researchers hope that ...

Cancer created May 02, 2013 | popularity 4.7 / 5 (10) | comments 0 | with audio podcast

Scientists develop new therapeutics that could accelerate wound healing

(Medical Xpress)—In "before" and "after" photos from advertisements for wound-healing ointments, bandages and antibiotic creams, we see an injury transformed from an inflamed red gash to smooth and flawless ...

Medical research created Feb 20, 2013 | popularity 4.9 / 5 (8) | comments 2 | with audio podcast

Advance in tuberous sclerosis brain science

Doctors often diagnose tuberous sclerosis complex (TSC) based on the abnormal growths the genetic disease causes in organs around the body. Those overt anatomical structures, however, belie the microscopic ...

Neuroscience created May 09, 2013 | popularity not rated yet | comments 0

'Junk DNA' drives embryonic development

An embryo is an amazing thing. From just one initial cell, an entire living, breathing body emerges, full of working cells and organs. It comes as no surprise that embryonic development is a very carefully ...

Genetics created Dec 03, 2012 | popularity 5 / 5 (9) | comments 21 | with audio podcast

Researchers return blood cells to stem cell state

Johns Hopkins scientists have developed a reliable method to turn the clock back on blood cells, restoring them to a primitive stem cell state from which they can then develop into any other type of cell in the body.

Medical research created Aug 22, 2012 | popularity 4.7 / 5 (13) | comments 2 | with audio podcast

Complex wiring of the nervous system may rely on a just a handful of genes and proteins

Researchers at the Salk Institute have discovered a startling feature of early brain development that helps to explain how complex neuron wiring patterns are programmed using just a handful of critical genes. ...

Medical research created Feb 10, 2012 | popularity 4.9 / 5 (11) | comments 1 | with audio podcast

Possible role for Huntington's gene discovered

About 20 years ago, scientists discovered the gene that causes Huntington's disease, a fatal neurodegenerative disorder that affects about 30,000 Americans. The mutant form of the gene has many extra DNA ...

Genetics created Jan 16, 2013 | popularity 5 / 5 (3) | comments 0 | with audio podcast

New study confirms immune cells are guided by gradients

(Medical Xpress)—A group of researchers in Austria and Switzerland has for the first time proven that immune cells migrate along chemical concentration gradients. This process has long been assumed but ...

Immunology created Jan 18, 2013 | popularity not rated yet | comments 0 | with audio podcast report

Long non-coding RNA molecules necessary to regulate differentiation of embryonic stem cells into cardiac cells

When the human genome was sequenced, biologists were surprised to find that very little of the genome—less than 3 percent—corresponds to protein-coding genes. What, they wondered, was all the rest of ...

Medical research created Jan 25, 2013 | popularity 5 / 5 (2) | comments 0 | with audio podcast

Legal levels of atrazine alter neuroendocrine, reproductive genes in zebrafish

(Medical Xpress)—A Purdue University study found an agricultural herbicide alters reproductive and neuroendocrine genes during embryonic development in fish, a finding that will help establish a genetic ...

Medical research created Apr 03, 2013 | popularity 5 / 5 (2) | comments 1 | with audio podcast

Scientists use an old theory to discover new targets in the fight against breast cancer

Reviving a theory first proposed in the late 1800s that the development of organs in the normal embryo and the development of cancers are related, scientists at the Salk Institute for Biological Studies have ...

Cancer created Feb 07, 2012 | popularity 4.7 / 5 (3) | comments 0 | with audio podcast

Developing our sense of smell: Biologists pinpoint the origin of olfactory nerve cells

When our noses pick up a scent, whether the aroma of a sweet rose or the sweat of a stranger at the gym, two types of sensory neurons are at work in sensing that odor or pheromone. These sensory neurons are ...

Neuroscience created Mar 25, 2013 | popularity not rated yet | comments 0 | with audio podcast

Genome-wide scan maps mutations in deadly lung cancers; reveals embryonic gene link

Scientists have completed a comprehensive map of genetic mutations linked to an aggressive and lethal type of lung cancer.

Genetics created Sep 05, 2012 | popularity 5 / 5 (3) | comments 0 | with audio podcast

Dynamics of DNA packaging helps regulate formation of heart

A new regulator for heart formation has been discovered by studying how embryonic stem cells adjust the packaging of their DNA. This approach to finding genetic regulators, the scientists say, may have the ...

Medical research created Sep 27, 2012 | popularity 5 / 5 (1) | comments 0 | with audio podcast

Embryogenesis

Embryogenesis (compound of the Greek: εμβρυο-γένεσις "embryo-genesis") is the process by which the embryo is formed and develops. It starts with the fertilization of the ovum (or egg) which, after fertilization, is referred to as a zygote. The zygote undergoes rapid mitotic divisions with no significant growth (a process known as cleavage) and cellular differentiation, leading to development of an embryo. It occurs in both animal and plant development, this article addresses the common features among different animals.

For more information about Embryogenesis, read the full article at Wikipedia.
This text uses material from Wikipedia and is available under the GNU Free Documentation License.

Related topics: embryos , genes , stem cells , cells , protein