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21st chromosome linked to Autism


 
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Yailet
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PostPosted: April 06 2006, 12:30 PM    Post subject:
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After reading your post about the 21st chromosome, I'm started thinking about the fact that my cousin is autistic.
It would really make sense if this two were linked together.
Eventhough doctors say autism is not genetic, I've know siblings that were both autistic, and in a conversation that I had with my aunt she agreed in her mind it was also genetic.
Do you guys have other family members that are autistic????

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momofrussell
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PostPosted: April 06 2006, 1:04 PM    Post subject:
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I think there has been studies and links to families having more then one child w/Autism... so I think there are some families that are genetically predisposed to the possiblity of Autism.. if that makes sense... kinda like reflux can run in families too! LOL

I don't think it has to do with the 21st pair persay.. but some families DO have more then one child w/Autism like sibs.. so there is some connection somewhere.

A.

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Tom
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PostPosted: April 06 2006, 1:15 PM    Post subject:
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Some research is showing that there may be a link between autism and the 21st chromosome. This for example:

http://www.rxpgnews.com/psychiatry/learning-disabilities/autism/article_1658.shtml

Autism is more common in children with Ds so the link does make sense.

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naomid
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PostPosted: April 06 2006, 1:46 PM    Post subject:
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I just wondered if anyone had read this story on the BBC http://news.bbc.co.uk/1/hi/health/4661402.stm

I don't know a whole lot about autism, but I found the argument interesting.

Scientific brain linked to autism

Scientists tend to be analytical
Highly analytical couples, such as scientists, may be more likely to produce children with autism, an expert has argued.
Professor Simon Baron-Cohen, of the University of Cambridge, said the phenomenon might help explain the recent rise in diagnoses.

He believes the genes which make some analytical may also impair their social and communication skills.

A weakness in these areas is the key characteristic of autism.

It is thought that around one child in every 100 has a form of autism - the vast majority of those affected are boys.

The number of diagnoses seems to be on the increase, but some argue this is simply because of a greater awareness of the condition.

In a paper published in the journal Archives of Disease of Childhood, Professor Baron-Cohen labels people such as scientists, mathematicians and engineers as "systemizers".

They are skilled at analysing systems - whether it be a vehicle, or a maths equation - to figure out how they work.

But they also tend to be less interested in the social side of life, and can exhibit behaviour such as an obsession with detail - classic traits associated with autism.

Body of evidence

Professor Baron-Cohen argues that systemizers are often attracted to each other - and thus more likely to pass "autism" genes to their offspring.

He cited a survey of 1,000 members of the National Autistic Society which found fathers and grandfathers of children with autistic spectrum conditions are twice as likely to work in a systemizing profession.

In addition, students in the natural sciences have a higher number of relatives with autism than do students in the humanities, and mathematicians have a higher rate of autistic spectrum conditions compared with the general population.

Other research has found both mothers and fathers of children with autism score highly on a questionnaire measuring autistic traits.

Brain scan studies have also shown that mothers of autistic children often show patterns of brain activity more associated with men.

Professor Baron-Cohen said the rise in autism might be linked to the fact that it had become easier for systemizers to meet each other, with the advent of international conferences, greater job opportunities and more women working in these fields.

Richard Mills, of the National Autistic Society, said: "The society welcomes all new research, particularly that which helps us understand the nature and possible causes of autism and which may inform the support that we give to individuals.

"Over half a million people in the UK have a form of autism. It is a lifelong developmental disorder which requires specialist support."

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Yailet
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PostPosted: April 06 2006, 2:23 PM    Post subject:
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That's so interesting, thank you so much for sending me the article, I'll forward it to my aunt.

Daniel really doesn't display signs of autism(he did like fans and lights when he was a baby, but doesn't display any more symptoms now), what I'm afraid is future siblings. I know of another parent on the board that has one child with DS and another child with autism. This sounds like something hard to manage.
I'll keep checking on Daniel, and I'll be checking for any other developments in this study.
Thanks again.
Yailet

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Tom
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PostPosted: April 06 2006, 3:41 PM    Post subject:
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naomid wrote:

Professor Baron-Cohen said the rise in autism might be linked to the fact that it had become easier for systemizers to meet each other, with the advent of international conferences, greater job opportunities and more women working in these fields.


Wired Magazine did an article about autism and referred to it as "Geek Syndrome" because it is happening a lot in places like Silicon Valley where computer geeks are marrying other computer geeks.

http://www.wired.com/wired/archive/9.12/aspergers.html

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vonda
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PostPosted: April 06 2006, 3:47 PM    Post subject:
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There have been numerous TV documentaries on regarding this. I watched one in particular that studied first born boys having autism and the chances of the subsequent boys having autism. They showed one family in particular that had 4 children, 3 boys and 1 girl and the first 3 boys were autistic and the girl was fine. They were talking about how boys seem to have a higher rate of autism than girls and when thinking about it, I have only met 1 little girl with autism since Noah was born, but can't count how many boys I've met with autism. My husband's cousin has 2 sons, and the first was diagnosed with autism at age 2, and his younger brother was diagnosed with autism at age 2 1/2. They are now around 7 and 9.

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momofrussell
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PostPosted: April 06 2006, 6:07 PM    Post subject:
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Well.. see how much I know! I must read more on this 21 link to Autism.

Ok.. sorry but I HAD to laugh at the Silicone Valley Autism thing Tom! I know it wasn't mean to be a joke... but I had to chuckle....heehee

A.

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Ellen
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PostPosted: April 06 2006, 9:53 PM    Post subject:
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I was a computer programmer before I had kids. I had read an article, maybe about the same study, that said that the percentage of children with autism is greater in moms who are systemizers. It definitely fits us. But let me tell you, there are some major traits on both sides of our family that adds up to a full-fledged syndrome in our son.

I went to an engineering school and I suggested that the alumni magazine write an article about autism among children of technical people (geeks) but they asked me to write it and I haven't had time. But in hindsight, I would say that many of my classmates had MANY autistic traits.

People in the Asperger world do not like to stress the savant aspects of autism because it does not occur across the board and it puts unrealistic expectations on folks who already have a hard time.

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** Hannah's mom ** UK
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PostPosted: April 09 2006, 11:33 AM    Post subject:
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wow when i read all these articles there seems to be so much to take in

i really know very little about any research so its certainly interesting to read and ponder on it all

especially as it seems more common in boys than girls

when I went to the conference the majority of dual diagnosis was in boys there was only me and one other mom there of about 50 people that had girls

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