Navigation Links
Gene Mutation Linked to Facial, Skull Abnormalities
Date:7/12/2012

THURSDAY, July 12 (HealthDay News) -- A gene mutation linked to facial and skull abnormalities, as well as impairment of thinking skills, has been identified by scientists who confirmed their findings in zebrafish.

Although the discovery may not lead to a cure for people with the mutated gene, it could someday lead to genetic screening and possibly early interventions, suggested the researchers from the Medical College of Georgia at Georgia Health Sciences University in Augusta.

In conducting the study, the scientists examined patients with a rare disorder known as Potocki-Shaffer syndrome, which can result in a small head and chin and intellectual disability. The investigators found that the patients had a mutated PHF21A gene. They were able to isolate the gene using a distinct chromosomal break found in patients with the condition.

"We call this breakpoint mapping, and the breakpoint is where the trouble is," study co-author Dr. Lawrence Layman, chief of the college's section of reproductive endocrinology, infertility and genetics, explained in a university news release.

The investigators pointed out that damaged genes may not function normally, and, in this case, PHF21A's functioning was reduced by about half. To confirm the role this gene played in the abnormalities seen in head formation and brain skills, they suppressed the gene in zebrafish. The study revealed the fish developed similar head and brain defects.

"With less PHF21A, brain cells died, so this gene must play a big role in neuron survival," said the study's lead author, Dr. Hyung-Goo Kim, a molecular geneticist at the university.

To verify their findings, the researchers unsuppressed the gene in the zebrafish. Because they have some ability to regenerate, the fish returned to normal. It is important to note that research involving animals often doesn't have implications for humans, and humans can't be cured in the same way as zebrafish.

The researchers said, however, that the study provides insight into face, skull and brain formation. The findings could lead to the development of genetic screening or intervention in the womb to increase PHF21A levels.

More research is needed to identify other genes regulated by PHF21A and screen patients for additional mutations, the study authors added.

"We want to find other people with different genes causing the same problem," Layman said. "Now that we know the causative gene, we can sequence the gene in more patients and see if they have a mutation."

The study was published this month in the American Journal of Human Genetics.

More information

The U.S. Office of Rare Diseases Research has more about Potocki-Shaffer syndrome.

-- Mary Elizabeth Dallas

SOURCE: Georgia Health Sciences University, news release, July 5, 2012


'/>"/>
Copyright©2012 ScoutNews,LLC.
All rights reserved  

Related medicine news :

1. Study finds new gene mutations that lead to enlarged brain size, cancer, autism, epilepsy
2. Mutations in JAK3 gene identified in subtype of lymphoma provide potential drug target
3. Study sheds new light on role of genetic mutations in colon cancer development
4. Mutations impair childhood growth and development by disrupting organization of chromosome pairs
5. Cancer may require simpler genetic mutations than previously thought
6. Scientists make breakthrough in bile duct cancer with discovery of new gene mutations
7. Mayo Clinic breast cancer study finds new type of mutation
8. Researchers Find Gene Mutations That May Be a Key to Autism
9. KRAS gene mutation and amplification status affects sensitivity to antifolate therapy
10. Myelodysplastic Syndrome Linked to Abnormal Stem Cells
11. Scientists identify gene linked to facial, skull and cognitive impairment
Post Your Comments:
*Name:
*Comment:
*Email:
Related Image:
Gene Mutation Linked to Facial, Skull Abnormalities
(Date:10/13/2017)... ... October 13, 2017 , ... Global Healthcare Management’s 4th ... Park in Milford, NJ. This free event, sponsored by Global Healthcare Management’s CEO, ... The fun run is geared towards children of all ages; it is a non-competitive, ...
(Date:10/13/2017)... ... ... “The Journey: From the Mountains to the Mission Field”: the story of a ... “The Journey: From the Mountains to the Mission Field” is the creation of published ... all ages and currently teaches a class of ladies at her church, which she ...
(Date:10/12/2017)... ... October 12, 2017 , ... Planet Fitness, one of the largest and ... plans to open a flagship location in Covington, LA at 401 N. U.S. Highway ... store next to Office Depot in the Holiday Square shopping center. Its location allows ...
(Date:10/12/2017)... ... October 12, 2017 , ... ... in post-acute health care, have expanded their existing home health joint venture through ... AccentCare has been operating a joint venture home health company with Asante, delivering ...
(Date:10/12/2017)... , ... October 12, 2017 , ... Leading pediatric oncology ... in Washington, D.C., for the 49th Congress of the International Society of Paediatric ... President of the Center for Cancer and Blood Disorders at Children’s National, ...
Breaking Medicine News(10 mins):
(Date:10/11/2017)... MENLO PARK, Calif. , Oct. 11, 2017 /PRNewswire/ ... a national scientific team that developed an innovative way ... and quantity of the delivery of new drugs. ... the 2017 Fall Clinical Dermatology Conference will show how ... Massachusetts General Hospital, Harvard Medical School used a suite ...
(Date:10/10/2017)... 10, 2017  NDS received FDA 510(k) clearance in May 2017 ... display stand specifically designed for endoscopy environments. An innovative secondary monitor ... clinical solution to support the improvement of patient outcomes, procedural efficiency, ... ... ...
(Date:10/4/2017)... Korea , Oct. 4, 2017  South Korean-based ... next-generation CPR training aide "cprCUBE" on Kickstarter. The device ... compression during cardiac arrests with better efficiency compared to ... also offers real-time feedback on efficacy of the compression ... crowdfunding campaign has a goal to raise $5,000. ...
Breaking Medicine Technology: