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Decreased binding c...
Decreased binding capacity (Bmax) of muscarinic acetylcholine receptors in fibroblasts from boys with attention-deficit/hyperactivity disorder (ADHD)
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- Johansson, Jessica, 1977- (författare)
- Örebro universitet,Institutionen för hälsovetenskap och medicin,Experimentell neuropsykiatri
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- Landgren, Magnus, 1955 (författare)
- Unit of Neurodevelopmental Disorders, Department of Paediatrics, Skaraborg Hospital, Mariestad, Sweden
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- Fernell, Elisabeth, 1948 (författare)
- Gothenburg University,Göteborgs universitet,Gillbergcentrum,Gillberg Neuropsychiatry Centre
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- Lewander, Tommy (författare)
- Department of Neuroscience, Psychiatry, Uppsala University Hospital, Uppsala, Sweden
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- Venizelos, Nikolaos, 1946- (författare)
- Örebro universitet,Institutionen för hälsovetenskap och medicin,Experimentell neuropsykiatri
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(creator_code:org_t)
- 2013-02-07
- 2013
- Engelska.
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Ingår i: ADHD Attention Deficit and Hyperactivity Disorders. - Berlin, Germany : Springer Berlin/Heidelberg. - 1866-6116 .- 1866-6647. ; 5:3, s. 267-271
- Relaterad länk:
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https://doi.org/10.1...
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https://urn.kb.se/re...
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Abstract
Ämnesord
Stäng
- Monoaminergic dysregulation is implicated in attention-deficit/hyperactivity disorder (ADHD), and methylphenidate and amphetamines are the most frequently prescribed pharmacological agents for treating ADHD. However, it has recently been proposed that the core symptoms of the disorder might be due to an imbalance between monoaminergic and cholinergic systems. In this study, we used fibroblast cell homogenates from boys with and without ADHD as an extraneural cell model to examine the cholinergic receptor density, that is, muscarinic acetylcholine receptors (mAChRs). We found that the binding capacity (Bmax) of [³H] Quinuclidinyl benzilate (³H-QNB) to mAChRs was decreased by almost 50 % in the children with ADHD (mean = 30.6 fmol/mg protein, SD = 25.6) in comparison with controls [mean = 63.1 fmol/mg protein, SD = 20.5, p ≤ 0.01 (Student's unpaired t test)]. The decreased Bmax indicates a reduced cholinergic receptor density, which might constitute a biomarker for ADHD. However, these preliminary findings need to be replicated in larger ADHD and comparison cohorts
Ämnesord
- MEDICIN OCH HÄLSOVETENSKAP -- Klinisk medicin -- Psykiatri (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Clinical Medicine -- Psychiatry (hsv//eng)
Nyckelord
- ADHD
- Fibroblaster
- Muscarinic acetylcholine receptor
- Receptor binding assay
- Biomarker
- Psychiatry
- Psykiatri
- Biomedicin
- Biomedicine
- ADHD
- Muscarinic acetylcholine receptors
- Receptor binding assay
- Fibroblasts
- Biomarker
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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