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Types and forms of ALS / Lou Gehrig disease
[Image: Labels-ALS_0.jpg]

One of the first things that comes with a diagnosis of ALS is the determination of which form a person has: familial or sporadic.

Sometimes it appears obvious. If theres a known history of the disease running in the family, then the person is said to have familial, or inherited, ALS. If the disease seems to have come out of nowhere, then its sporadic, or noninherited.

But in reality its far more complicated than that.

The terms familial and sporadic are useful in a practical sense for physicians and patients alike. But modern molecular biology is enabling scientists to dig ever deeper into the molecular underpinnings of ALS, and the more they learn, the more the line between familial and sporadic ALS becomes blurred.
Sporadic ALS sometimes is familialA diagnosis of sporadic ALS sometimes turns out to be inaccurate.

To understand how this can happen, its necessary to know that familial ALS stems from a gene mutation that is passed down from parent to child. Usually, the mode of inheritance is dominant, meaning that a person has to receive an ALS-affected gene from only one parent to develop the disease. A recessive pattern of inheritance requires that a person receive a faulty gene from both parents.

How can sporadic ALS sometimes turn out to be familial ALS?

For some people, a family medical history is unknown at the time of diagnosis but later becomes available. The new information may show that what at first appeared to be sporadic ALS actually is familial.

Even when sporadic ALS is caused by a spontaneous genetic mutation, if the mutation is passed down to future generations, then that persons ALS eventually may become familial.
Genetics and ALSA common misconception about ALS is that only the familial form is genetic.

But both familial and sporadic ALS can stem from genetic causes.

Mutations in any of a number of genes are known to cause ALS, and its almost certain that additional genes may be uncovered. (Environmental and other nongenetic factors likely play a role in both forms of the disease.)

Although the genetic contribution in sporadic ALS is less clear, spontaneous gene mutations, genetic modifiers and genetic susceptibility (risk), alone or in combination, surely play a role in its onset and progression.

In addition, it recently was discovered that a mutation in the C9ORF72 gene not only is the most common known cause of familial ALS, but is responsible for a small percentage of sporadic ALS as well providing yet another clear connection between sporadic ALS and genetic causes.

Looking for answers in a genetic blueprint

One of the first questions many people ask after receiving an ALS diagnosis whether familial or sporadic is whether their children, siblings and parents may have a higher risk of getting the disease.

The bottom line is that there is no simple answer to this question. Its best to discuss it with a genetic counselor, who can:
  • help families understand how ALS is inherited;
  • analyze a familys particular history and situation, along with inheritance patterns (if any);
  • determine family members risk of developing the disease;
  • provide information about genetic testing, including its practical, emotional and psychological implications; and
  • interpret test results and other disease-related information.
MDA/ALS centers can refer individuals and families to genetic counselors who are knowledgeable about ALS.
Why does it matter?Recent advances in our knowledge of the causes of ALS have revealed that some individuals who seem to have the sporadic form of ALS may indeed carry genetic defects known to cause familial ALS.

While this impacts a relatively small number of individuals, its important to recognize this possibility because of its potential implications for relatives.

People with ALS and their families need to understand whats meant by the labels used to describe the disease, and should seek genetic counseling for help with questions or concerns about inheritance and any associated risks for family members.
wow, i didn't realize there were so many types!
My mother has bulbar ALS.

Mind Blowing---> Descriptive Enough For Me And Then Some.I So Agree With Finding Genetic Counseling.

<span>There's A Blinding Amount Of Questions-Almost Overwhelming And At Times It Can Be Just Too Much.</span>

<span>I REALLY Miss Our Dear Friend Loverlyone. She Was So Kind To Me And She Sure Went Through Massive Challenges As I Recall.</span>

<span>Does Anyone Know Where She Is Now ? Gosh, I Hope Nobody Tells Me Something Happened ?</span>

We've Seen And KnownSome Of The Most Unique Folks In Our Travels To Other Sites And Always Being Welcomed Back

Home Here---> Like A Safe Zone. And Hasn't Time Gone By Briskly To Say The Least... Especially After Having Children

And All The Heaven And Hell It Can Bring. But Finally My Life Is Good And Rich/Full. Colors Are More Vivid {No I Didn't Take ShroomsLol !}

No Complaints. I'mSo Grateful Just To Be Alive... I'm Humble And So Happy With Starting My 5th Week Of Chemo Out Of 8 Weeks Tomorrow.Yipppeee!

I Am Really Proud Of Myself. I Just Knew Or Thought I Would Drop Out Due To The Side Effects.And Tomorrow They Need To TakeBlood To See What's

Up At 4 Weeks In. My Wife Needs To Have Some Blood Taken As Well So It's A Double Date After Her Work.

I'll Catch Up With You Dear Sister{s} And Brothers Tomorrow Friday March 30th.

Have A Most Promising And Fantastic Day/I Hope It's Sunny Like Yesterday-Can I Get An Amen To SUNNY For The Weekend And For Rest Of The Week ?

Thanks Very Much. I Truly Am Blessed And Very Grateful... Sincerely, Brother Will/P.S. I'll Move What I Wrote Above I'm Getting Too Tired From This Gabapentin.

Sure Great For Pain/Non-Opiate.Makes Everyone Take Less Opiates.I'll Shut Up Now} I'm Tok'in Some Durban Princess ATM And It's Pure Rocket Fuel Sativa ! Sorry,

Just Soaring Away From This Pain... I Normally Don't Get Like This. OK. I'm Done Good-Night Dear Friends And Please Just Delete This. My Best Sent... Will.


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