Guest guest Posted May 20, 2006 Report Share Posted May 20, 2006 Here's another repost of a Duke University study w/ comments quoted from Dr G - not particularly related to previous discussions, but I thought you'd find them interesting: (I apologize how the copying/pasting skews up the spacing) These are Dr. Goldberg's comments, then the study follows... " As far as the ³goal² of the Paxil / Prozac (or any SSRI), the recent announcement by Dr. DeLong (see posting at end of this response), helps confirm what has been my ongoing experience. Using the SSRI¹s (I would say the whole course of treatment together) I¹ve literally realized a child¹s brain is maturing, evolving over time. This is consistent with the idea of establishing better function in an area ³compromised² (as seen on NeuroSPECT scans). The tissue could not evolve in a healthy manner, IF it were damaged to begin with. " ANTIDEPRESSANTS CAN BREAK THROUGH THE WALL OF MANY CHILDREN'S AUTISM, DUKE RESEARCHERS SAY DURHAM, N.C. - Many autistic children may actually suffer from a genetically linked depression that is treatable with antidepressants such as Prozac (fluoxetine), according to Dr. DeLong, a Duke University Medical Center pediatric neurologist. In an article in the March 23 issue of the journal Neurology, DeLong presents a new hypothesis that about two-thirds of children with the most common form of infantile autism actually have a treatable, genetically linked, early-onset form of severe depression. The argument is based on recent genetic analyses, behavioral studies and brain chemistry and imaging analyses on autistic children by researchers at Duke and several other institutions. The research was funded by the and Sara Goldberg Charitable Trust and the Duke Children's Telethon. " Several lines of evidence are now coming together to form a cohesive picture of the biological basis of a disease that has long baffled the medical community, " said DeLong. " Genetic and brain imaging studies, as well as a re-examination of the classical symptoms of autism, all point to the conclusion that many autistic children have an inherited disease that we know how to treat. " Children with autism appear to be prisoners of their own minds because they are unable to learn the language or social skills necessary to get along in the world. Autism is actually a spectrum of disorders with similar symptoms, said DeLong. Children who develop autism, usually in the second year of life, lose the ability to interact with people or their environment and don't speak or use language, even though many have normal intelligence. While some autism is caused by diseases or injury to certain areas of the developing brain, most cases of autism have no known cause, and of these so-called idiopathic cases, DeLong asserts that 70 percent now appear to be an inherited form of an affective disorder, such as manic depression or obsessive-compulsive disorder. " Many years ago I noticed that if you look carefully at the symptoms of autism, they look very much like those of depression and manic depression, " said DeLong. " These children show none or the cheerfulness or spontaneity of normal children. And they often have extreme moods swings, tantrums and excessive fearfulness. " DeLong has identified several lines of evidence that together show a distinct subgroup of autistic children who have a genetic disease that can be treated with anti-depressive medications. When researchers examine the brains of children with idiopathic autism, they find very low levels of the neurotransmitter serotonin on the left side of the brain in the area responsible for language. Serotonin is also important in influencing mood and is low in people with clinical depression. " In the developing brains of children, serotonin not only acts as a transmitter of information, but it is also an agent of development that influences growth in the brain, " said DeLong. " When serotonin levels in the left hemisphere of the brain don't reach a critical level in early childhood, one might expect to see the symptoms we see in autism: blunting of the child's cognitive, social and emotional development. " Studies of people in which the connection between the left and right hemispheres of the brain are split surgically to relieve symptoms of epilepsy, so-called " split brain " experiments, show the left hemisphere is responsible for language and reasoning skills, while the right hemisphere is responsible for visual-spatial skills, musical ability and some types of rote memorization. Serotonin levels in the right hemisphere of most idiopathic autistic children are normal and their visual and spatial skills are also normal. In fact, some autistic savants show a type of overcompensation on the right side of the brain that gives them extraordinary abilities in math computation, music or artistic skills. When the researchers studied older children and adolescents diagnosed with manic depression, they found these children also have greater visual-spatial abilities and lower language skills, although the differences were not as great as in autistic children. All these lines of evidence led DeLong to try treating autistic children with Prozac and other specific serotonin re-uptake inhibitors (SSRIs). These medications, well known for treating depression, work by making more serotonin available to the brain. In a study reported in the October 1998 issue of the Journal of Developmental Medicine and Child Neurology, DeLong and his colleagues showed that when 37 autistic children ages three to seven were treated with Prozac (fluoxetine) for up to three years, 22 responded well to the medication, regaining language abilities, becoming more sociable and losing obsessive compulsions such as fixating on a single object for hours on end. Of those children who responded to the medication, all had a family history of a major depressive disease, such as bipolar disorder. " It is tempting to say that autism and manic depression are caused by a defect in the same gene, " said DeLong, " and genetic evidence is beginning to point in that direction. " Recent studies by DeLong and his colleagues at Duke point to a gene somewhere on chromosome 15 as a potential autism gene. And now several studies by investigators at other institutions studying manic depression have narrowed down their search to the same general area on chromosome 15 as well. " While we can't yet definitively say that the genes are one and the same, the evidence is tantalizing, and we expect to have answers in the near future, " said DeLong. Such genetic studies offer hope of an earlier diagnosis, said DeLong, and the development of more specific medications to increase the availability of serotonin in the developing brains of autistic children offers the hope of even more effective treatment for the disease. " Instead of seeing autism as a disease we can't do anything about, we now see it as treatable, rather than hopeless, " said DeLong. " My hope is that these new lines of research will lead to earlier identification and earlier intervention to make autism a highly treatable disease. " __________________________________________________ Quote Link to comment Share on other sites More sharing options...
Guest guest Posted May 20, 2006 Report Share Posted May 20, 2006 Thanks, , these are very interesting and informative. I appreciate your taking the time to post these. Repost of SSRIs and Autism Here's another repost of a Duke University study w/ comments quoted from Dr G - not particularly related to previous discussions, but I thought you'd find them interesting: (I apologize how the copying/pasting skews up the spacing) These are Dr. Goldberg's comments, then the study follows... " As far as the ³goal² of the Paxil / Prozac (or any SSRI), the recent announcement by Dr. DeLong (see posting at end of this response), helps confirm what has been my ongoing experience. Using the SSRI¹s (I would say the whole course of treatment together) I¹ve literally realized a child¹s brain is maturing, evolving over time. This is consistent with the idea of establishing better function in an area ³compromised² (as seen on NeuroSPECT scans). The tissue could not evolve in a healthy manner, IF it were damaged to begin with. " ANTIDEPRESSANTS CAN BREAK THROUGH THE WALL OF MANY CHILDREN'S AUTISM, DUKE RESEARCHERS SAY DURHAM, N.C. - Many autistic children may actually suffer from a genetically linked depression that is treatable with antidepressants such as Prozac (fluoxetine), according to Dr. DeLong, a Duke University Medical Center pediatric neurologist. In an article in the March 23 issue of the journal Neurology, DeLong presents a new hypothesis that about two-thirds of children with the most common form of infantile autism actually have a treatable, genetically linked, early-onset form of severe depression. The argument is based on recent genetic analyses, behavioral studies and brain chemistry and imaging analyses on autistic children by researchers at Duke and several other institutions. The research was funded by the and Sara Goldberg Charitable Trust and the Duke Children's Telethon. " Several lines of evidence are now coming together to form a cohesive picture of the biological basis of a disease that has long baffled the medical community, " said DeLong. " Genetic and brain imaging studies, as well as a re-examination of the classical symptoms of autism, all point to the conclusion that many autistic children have an inherited disease that we know how to treat. " Children with autism appear to be prisoners of their own minds because they are unable to learn the language or social skills necessary to get along in the world. Autism is actually a spectrum of disorders with similar symptoms, said DeLong. Children who develop autism, usually in the second year of life, lose the ability to interact with people or their environment and don't speak or use language, even though many have normal intelligence. While some autism is caused by diseases or injury to certain areas of the developing brain, most cases of autism have no known cause, and of these so-called idiopathic cases, DeLong asserts that 70 percent now appear to be an inherited form of an affective disorder, such as manic depression or obsessive-compulsive disorder. " Many years ago I noticed that if you look carefully at the symptoms of autism, they look very much like those of depression and manic depression, " said DeLong. " These children show none or the cheerfulness or spontaneity of normal children. And they often have extreme moods swings, tantrums and excessive fearfulness. " DeLong has identified several lines of evidence that together show a distinct subgroup of autistic children who have a genetic disease that can be treated with anti-depressive medications. When researchers examine the brains of children with idiopathic autism, they find very low levels of the neurotransmitter serotonin on the left side of the brain in the area responsible for language. Serotonin is also important in influencing mood and is low in people with clinical depression. " In the developing brains of children, serotonin not only acts as a transmitter of information, but it is also an agent of development that influences growth in the brain, " said DeLong. " When serotonin levels in the left hemisphere of the brain don't reach a critical level in early childhood, one might expect to see the symptoms we see in autism: blunting of the child's cognitive, social and emotional development. " Studies of people in which the connection between the left and right hemispheres of the brain are split surgically to relieve symptoms of epilepsy, so-called " split brain " experiments, show the left hemisphere is responsible for language and reasoning skills, while the right hemisphere is responsible for visual-spatial skills, musical ability and some types of rote memorization. Serotonin levels in the right hemisphere of most idiopathic autistic children are normal and their visual and spatial skills are also normal. In fact, some autistic savants show a type of overcompensation on the right side of the brain that gives them extraordinary abilities in math computation, music or artistic skills. When the researchers studied older children and adolescents diagnosed with manic depression, they found these children also have greater visual-spatial abilities and lower language skills, although the differences were not as great as in autistic children. All these lines of evidence led DeLong to try treating autistic children with Prozac and other specific serotonin re-uptake inhibitors (SSRIs). These medications, well known for treating depression, work by making more serotonin available to the brain. In a study reported in the October 1998 issue of the Journal of Developmental Medicine and Child Neurology, DeLong and his colleagues showed that when 37 autistic children ages three to seven were treated with Prozac (fluoxetine) for up to three years, 22 responded well to the medication, regaining language abilities, becoming more sociable and losing obsessive compulsions such as fixating on a single object for hours on end. Of those children who responded to the medication, all had a family history of a major depressive disease, such as bipolar disorder. " It is tempting to say that autism and manic depression are caused by a defect in the same gene, " said DeLong, " and genetic evidence is beginning to point in that direction. " Recent studies by DeLong and his colleagues at Duke point to a gene somewhere on chromosome 15 as a potential autism gene. And now several studies by investigators at other institutions studying manic depression have narrowed down their search to the same general area on chromosome 15 as well. " While we can't yet definitively say that the genes are one and the same, the evidence is tantalizing, and we expect to have answers in the near future, " said DeLong. Such genetic studies offer hope of an earlier diagnosis, said DeLong, and the development of more specific medications to increase the availability of serotonin in the developing brains of autistic children offers the hope of even more effective treatment for the disease. " Instead of seeing autism as a disease we can't do anything about, we now see it as treatable, rather than hopeless, " said DeLong. " My hope is that these new lines of research will lead to earlier identification and earlier intervention to make autism a highly treatable disease. " __________________________________________________ Quote Link to comment Share on other sites More sharing options...
Guest guest Posted May 20, 2006 Report Share Posted May 20, 2006 The article listed in the Duke PR release mentioned in the previous email (thanks, ) as appearing Neurology March 23 isn't this year--it's from 1999. Here is the complete citation: DeLong GR. Autism: new data suggest a new hypothesis. Neurology. 1999 Mar 23;52(5):911-6. PMID: 10102405 The finding of depression or bipolar illness in family members of many children with autism led to the idea of using an SSRI (fluoxetine primarily) to treat the children. Many respond very nicely. Bob Delong has continued to investigate the autism/serotonin/depression/SSRI relationship--here is a very recent article with its abstract: J Neuropsychiatry Clin Neurosci. 2004 Spring;16(2):199-213. Autism and familial major mood disorder: are they related? DeLong R. Division of Pediatric Neurology, Department of Pediatrics, Duke University Medical Center, Durham, NC 27710, USA. Family history studies of autism consistently reveal a large subgroup with a high incidence of major mood disorder in family members, suggesting the two entities are related clinically and genetically. This review examines this concept, comparing current clinlical and biological knowledge of autism and major mood disorder, and advances the hypothesis that this subgroup of autism represents an early-life phenotype of major mood disorder. If confirmed, this hypothesis would suggest that the basic biological defects determining major mood disorders may have prominent neurodevelopmental and cognitive dimensions. Testing of the hypothesis will depend on genetic studies. Publication Types: Review PMID: 15260372 S G Kahler -- Office: G. Kahler, MD Professor, Division of Clinical Genetics Department of Pediatrics University of Arkansas for Medical Sciences email KahlerG@... Office Phone 501-364-2966 Fax 501-364-1564 Pager (alphanumeric) 501-395-7865 Mail: Division of Clinical Genetics Slot 512-22 Arkansas Children's Hospital 800 Marshall St. Little Rock, AR 72202-3591 Home: NEW EMAIL sgkahler@... 91 Pebble Beach Dr. Little Rock, AR 72212 phone 501-227-7609 (AFTERNOONS AND EVENINGS) efax 610-771-7268 mobile 501-773-1688 (ALL TIMES) Using Opera's revolutionary e-mail client: http://www.opera.com/m2/ Quote Link to comment Share on other sites More sharing options...
Guest guest Posted June 19, 2006 Report Share Posted June 19, 2006 Dr Kahler! welcome back! We miss you in Baltimore! Ack- you moved to Arkansas? They don't have crabs, boardwalk fries or Fischers popcorn! doris maryland > > The article listed in the Duke PR release mentioned in the previous email > (thanks, ) as appearing Neurology March 23 isn't this year--it's > from 1999. Here is the complete citation: > > DeLong GR. > Autism: new data suggest a new hypothesis. > Neurology. 1999 Mar 23;52(5):911-6. > PMID: 10102405 > > The finding of depression or bipolar illness in family members of many > children with autism led to the idea of using an SSRI (fluoxetine > primarily) to treat the children. Many respond very nicely. > > > Bob Delong has continued to investigate the > autism/serotonin/depression/SSRI relationship--here is a very recent > article with its abstract: > > J Neuropsychiatry Clin Neurosci. 2004 Spring;16(2):199-213. > Autism and familial major mood disorder: are they related? > > DeLong R. > > Division of Pediatric Neurology, Department of Pediatrics, Duke University > Medical Center, Durham, NC 27710, USA. > > Family history studies of autism consistently reveal a large subgroup with > a high incidence of major mood disorder in family members, suggesting the > two entities are related clinically and genetically. This review examines > this concept, comparing current clinlical and biological knowledge of > autism and major mood disorder, and advances the hypothesis that this > subgroup of autism represents an early-life phenotype of major mood > disorder. If confirmed, this hypothesis would suggest that the basic > biological defects determining major mood disorders may have prominent > neurodevelopmental and cognitive dimensions. Testing of the hypothesis > will depend on genetic studies. > > Publication Types: > Review > > PMID: 15260372 > > > > > S G Kahler > -- > > Office: > > G. Kahler, MD > Professor, Division of Clinical Genetics Department of Pediatrics > University of Arkansas for Medical Sciences > > email KahlerG@... > Office Phone 501-364-2966 > Fax 501-364-1564 > Pager (alphanumeric) 501-395-7865 > > Mail: > > Division of Clinical Genetics > Slot 512-22 > Arkansas Children's Hospital > 800 Marshall St. > Little Rock, AR 72202-3591 > > > > > > Home: > > NEW EMAIL sgkahler@... > > 91 Pebble Beach Dr. > Little Rock, AR 72212 > phone 501-227-7609 (AFTERNOONS AND EVENINGS) > efax 610-771-7268 > mobile 501-773-1688 (ALL TIMES) > > > > Using Opera's revolutionary e-mail client: http://www.opera.com/m2/ > Quote Link to comment Share on other sites More sharing options...
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