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Peer Reviewed Scientific Research Reports.
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1. Dissociation of grey and white matter reduction in spinocerebellar ataxia type 3 and 6: a voxel-based morphometry study.
Match Strength: 10.137
The aim of this study was to examine the different patterns of cerebellar and/or brainstem atrophy in spinocerebellar ataxia (SCA) type 3 and 6. Eighteen patients (SCA3 n=9, SCA6 n=9) and 15 healthy volunteers were studied. Voxel-based morphometry (VBM) was applied to segmented grey matter (GM) and white matter (WM) of high-resolution T1-weighted brain volumes of each group. We found reduction of grey matter in the pons as well as in the vermis in SCA3 as compared to control subjects. In SCA6 significant grey matter loss was found in hemispheric lobules bilaterally as well as in the vermis. ... Read More »
» Published in Neurosci Lett. 2006 Nov 20;408(3):230-5. Epub 2006 Sep 26.
2. In vivo inactivation of pRb, p107 and p130 in murine neuroprogenitor cells leads to major CNS developmental defects and high seizure rates.
Match Strength: 5.386
Nestin-positive cells were targeted for pRb, p107 and p130 (pRb(f)) inactivation by expression of T(121), a truncated SV40 large T antigen that selectively binds to and inactivates pRb(f). Cre expression was initiated under GFAP control, resulting in T(121) expression restricted to neuroprogenitor cells beginning at embryonic day 11.5 (E11.5). Bi-transgenic embryos showed aberrant central nervous system (CNS) cell proliferation and apoptosis by E13.5. Defects in cortical development were evident with primary effects resulting in depletion of neural progenitors and aberrant cellular migration. ... Read More »
» Published in Mol Cell Neurosci. 2006 Nov;33(3):260-73. Epub 2006 Sep 18.
3. The adult form of Niemann-Pick disease type C.
Match Strength: 4.994
Niemann-Pick disease type C (NPC) is a fatal neurovisceral lipid storage disease of autosomal inheritance resulting from mutations in either the NPC1 (95% of families) or NPC2 gene. The encoded proteins appear to be involved in lysosomal/late endosomal transport of cholesterol, glycolipids and other molecules but their exact function is still unknown. The clinical spectrum of the disease ranges from a neonatal rapidly fatal disorder to an adult-onset chronic neurodegenerative disease. Based upon a comprehensive study of 13 unrelated adult patients diagnosed in France over the past 20 years as ... Read More »
» Published in Brain. 2007 Jan;130(Pt 1):120-33. Epub 2006 Sep 26.
4. Acetylcholine release at neuromuscular junctions of adult tottering mice is controlled by N-(cav2.2) and R-type (cav2.3) but not L-type (cav1.2) Ca2+ channels.
Match Strength: 4.740
The mutation in the alpha(1A) subunit gene of the P/Q-type (Ca(v)2.1) Ca(2+) channel present in tottering (tg) mice causes ataxia and motor seizures that resemble absence epilepsy in humans. P/Q-type Ca(2+)channels are primarily involved in acetylcholine (ACh) release at mammalian neuromuscular junctions. Unmasking of L-type (Ca(v)1.1-1.2) Ca(2+) channels occurs in cerebellar Purkinje cells of tg mice. However, whether L-type Ca(2+) channels are also up-regulated at neuromuscular junctions of tg mice is unknown. We characterized thoroughly the pharmacological sensitivity of the Ca(2+) channels ... Read More »
» Published in J Pharmacol Exp Ther. 2006 Dec;319(3):1009-20. Epub 2006 Sep 18.
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