Test For Genetic Autism

Test Genetic Autism - Psychology, Special Needs, Health - Posted: 22nd Apr, 2016 - 11:25pm

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Post Date: 9th Mar, 2009 - 6:01pm / Post ID: #


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Test For Genetic Autism

Test For Genetic Autism

Is there a test that can be done for parents to see if the reason their child(ren) have autism is from something genetic in their DNA?



Post Date: 10th Mar, 2009 - 12:16am / Post ID: #


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Autism Genetic Test

It is all in the early stages and it's costly but this is something I found:

Attached Image QUOTE
    The next step, already underway at Sick Kids, is to develop a simple and inexpensive DNA test that can pinpoint duplications or deletions on chromosome 16. Right now, autism is diagnosed by assessing a child's behaviour and social communication skills, an often difficult and labour-intensive process, says Rosanna Weksberg, a clinical geneticist and head of clinical and metabolic genetics at Sick Kids.

    A DNA test performed as soon as a child exhibits some symptoms could catch autism quickly and early, she says. Studies have shown early intervention, especially when an infant's brain is still developing, can diminish some symptoms.

    The promise of genetic tests also raises ethical considerations that researchers are just starting to sort out. For example, how would a potential prenatal DNA test for chromosome 16 mutations be used in family planning?Wendy Roberts, a developmental pediatrician and co-director of the Autism Research Unit at Sick Kids, says even a DNA test of parents would be valuable for predicting the chances of their next child having autism. If the parents do not test positive for the mutation, the likelihood of a second child testing positive is no higher than in the general population, she says. And she knows there is demand for it; the hospital is already fielding calls from parents who have heard about the mutation and want the test.

    "If they thought there would be a test available within a year, most (Parents wanting another child) would wait that long," she says.
Attached Image QUOTE
    Two independent research teams have pinpointed the genetic glitch behind certain cases of autism, paving the way for the first DNA test to reliably predict who will develop the disorder.

    Researchers with the Boston-based Autism Consortium have found that children who carry a missing or duplicated stretch of chromosome 16 have a 100-fold increased risk of developing autism. The mutation, confirmed through genetic scans of more than 1,400 people with autism in three separate study groups, appears most often to be the result of a random quirk not seen in either parent. Published in today's New England Journal of Medicine, the Boston paper estimates the mutation is linked to about 1 per cent of all autism cases.

    If the genetic code in this region is deleted - like a sentence missing several words - it cannot be read, said Dr. Scherer, and this seems to result in more severe cases of autism. If the code is duplicated, the disorder appears to be milder - like a sentence in which repeated words make it difficult, but not impossible, to read.

According to Dr. Scherer, "The link between the mutation and autism is so strong that it will herald 'the first highly predictive DNA test for an autism disorder. We are transferring the technology [to perform the test] from our research lab to the diagnostic clinic as we speak."


Post Date: 16th Mar, 2009 - 12:44pm / Post ID: #


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Test For Genetic Autism Health & Special Psychology

This will be a great way of knowing whether it is part of the genetics or something that happened during delivery, or the vaccines. The more probabilities that are eliminated the better. If you knew that each child you had will be autistic then it will definitely affect your decision in having more children, BUT I will start a new Thread about that.



Post Date: 16th Mar, 2009 - 2:00pm / Post ID: #


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Autism Genetic Test

Attached Image QUOTE (JB @ 16-Mar 09, 8:44 AM)
This will be a great way of knowing whether it is part of the genetics or something that happened during delivery, or the vaccines.

It could also be environmental according to new studies.

Attached Image QUOTE
If you knew that each child you had will be autistic then it will definitely affect your decision in having more children, BUT I will start a new Thread about that.

Rather off topic, but...

There is NO way to know that, they can only give you a percentage that could be right or wrong hence it won't affect my decision.



Post Date: 17th Mar, 2009 - 6:23pm / Post ID: #


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Autism Genetic Test

With research like this being done I am sure a much better understanding of the disorder will help for treatment and possible reversals in the future.

I do agree our changing environment will create more genetic side effects like this one as our pollution levels and UV rays rise. Darwin was not completely out of line in his thinking.

I do not think that if genetics are ruled out as the cause of a case of autism that any court would rule against the medical world. In Canada that is almost guaranteed. The USA might have a better chance in such a ruling.

I just hope that if this can be a large stepping stone to understanding other causes for the disorder.



Post Date: 29th Apr, 2009 - 11:29am / Post ID: #

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Test For Genetic Autism

Genes 'have key role in autism'

Scientists produce the most compelling evidence to date that genetics play a key role in autism and related conditions. Ref. Source 8

Post Date: 25th Mar, 2016 - 11:30am / Post ID: #

NOTE: News [?]

Test Genetic Autism

Genetic changes that cause autism are more diverse than previously thought

The types of gene mutations that contribute to autism are more diverse than previously thought, report researchers. The findings, they say, represent a significant advance in efforts to unravel the genetic basis of autism spectrum disorder (ASD). Ref. Source 4t.

Post Date: 22nd Apr, 2016 - 11:25pm / Post ID: #

NOTE: News [?]

Test Genetic Autism

UCSD joins massive autism study

UC San Diego will participate in the largest genetic autism study ever undertaken in the United States. The university is one of 21 research centers that will collect DNA and other clinical information from 50,000 Americans diagnosed with the disorder. Ref. Source 6m.

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