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https://www.readbyqxmd.com/read/27903347/-clinical-genetic-and-pathological-features-of-neuronal-ceroid-lipofuscinosis-in-5-chinese-patients
#1
S C Ren, B Q Gao, Y J Wang, X J Wu, Z X Tian, Y L Sun
Objective: To report the clinical, genetic and ultrastructural pathological features of neuronal ceroid lipofuscinosis (NCLs) in 5 Chinese patients. Methods: A total of 5 patients with NCLs were collected from 2013 to 2015 diagnosed by the department of pediatrics of Beijing Tian Tan Hospital. Their clinical, electrophysiological and neuroimaging data of the patients were reviewed.A total of 9 underlying genes of NCLs were tested in 4 cases and their parents.Ultrastructural pathology by skin biopsy was performed in 3 cases respectively...
November 22, 2016: Zhonghua Yi Xue za Zhi [Chinese medical journal]
https://www.readbyqxmd.com/read/27881166/using-the-social-amoeba-dictyostelium-to-study-the-functions-of-proteins-linked-to-neuronal-ceroid-lipofuscinosis
#2
REVIEW
Robert J Huber
Neuronal ceroid lipofuscinosis (NCL), also known as Batten disease, is a debilitating neurological disorder that affects both children and adults. Thirteen genetically distinct genes have been identified that when mutated, result in abnormal lysosomal function and an excessive accumulation of ceroid lipofuscin in neurons, as well as other cell types outside of the central nervous system. The NCL family of proteins is comprised of lysosomal enzymes (PPT1/CLN1, TPP1/CLN2, CTSD/CLN10, CTSF/CLN13), proteins that peripherally associate with membranes (DNAJC5/CLN4, KCTD7/CLN14), a soluble lysosomal protein (CLN5), a protein present in the secretory pathway (PGRN/CLN11), and several proteins that display different subcellular localizations (CLN3, CLN6, MFSD8/CLN7, CLN8, ATP13A2/CLN12)...
November 24, 2016: Journal of Biomedical Science
https://www.readbyqxmd.com/read/27508227/data-on-characterizing-the-gene-expression-patterns-of-neuronal-ceroid-lipofuscinosis-genes-cln1-cln2-cln3-cln5-and-their-association-to-interneuron-and-neurotransmission-markers-parvalbumin-and-somatostatin
#3
Helena M Minye, Anna-Liisa Fabritius, Jouni Vesa, Leena Peltonen
The article contains raw and analyzed data related to the research article "Neuronal ceroid lipofuscinosis genes, CLN2, CLN3, CLN5 are spatially and temporally co-expressed in a developing mouse brain" (Fabritius et al., 2014) [1]. The processed data gives an understanding of the development of the cell types that are mostly affected by defective function of CLN proteins, timing of expression of CLN1, CLN2, CLN3 and CLN5 genes in a murine model. The data shows relationship between the expression pattern of these genes during neural development...
September 2016: Data in Brief
https://www.readbyqxmd.com/read/27488642/an-eeg-investigation-of-sleep-homeostasis-in-healthy-and-cln5-batten-disease-affected-sheep
#4
Nicholas Perentos, Amadeu Q Martins, Robin J M Cumming, Nadia L Mitchell, David N Palmer, Stephen J Sawiak, A Jennifer Morton
UNLABELLED: Sheep have large brains with human-like anatomy, making them a useful species for studying brain function. Sleep homeostasis has not been studied in sheep. Here, we establish correlates of sleep homeostasis in sheep through a sleep deprivation experiment. We then use these correlates to elucidate the nature of sleep deficits in a naturally occurring ovine model of neuronal ceroid lipofuscinosis (NCL, Batten disease) caused by a mutation in CLN5 In humans, mutations in this gene lead to cortical atrophy and blindness, as well as sleep abnormalities...
August 3, 2016: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
https://www.readbyqxmd.com/read/27203721/australian-cattle-dogs-with-neuronal-ceroid-lipofuscinosis-are-homozygous-for-a-cln5-nonsense-mutation-previously-identified-in-border-collies
#5
A Kolicheski, G S Johnson, D P O'Brien, T Mhlanga-Mutangadura, D Gilliam, J Guo, T D Anderson-Sieg, R D Schnabel, J F Taylor, A Lebowitz, B Swanson, D Hicks, Z E Niman, F A Wininger, M C Carpentier, M L Katz
BACKGROUND: Neuronal ceroid lipofuscinosis (NCL), a fatal neurodegenerative disease, has been diagnosed in young adult Australian Cattle Dogs. OBJECTIVE: Characterize the Australian Cattle Dog form of NCL and determine its molecular genetic cause. ANIMALS: Tissues from 4 Australian Cattle Dogs with NCL-like signs and buccal swabs from both parents of a fifth affected breed member. Archived DNA samples from 712 individual dogs were genotyped...
July 2016: Journal of Veterinary Internal Medicine
https://www.readbyqxmd.com/read/26664787/molecular-neuropathology-of-the-synapse-in-sheep-with-cln5-batten-disease
#6
Inês S Amorim, Nadia L Mitchell, David N Palmer, Stephen J Sawiak, Roger Mason, Thomas M Wishart, Thomas H Gillingwater
AIMS: Synapses represent a major pathological target across a broad range of neurodegenerative conditions. Recent studies addressing molecular mechanisms regulating synaptic vulnerability and degeneration have relied heavily on invertebrate and mouse models. Whether similar molecular neuropathological changes underpin synaptic breakdown in large animal models and in human patients with neurodegenerative disease remains unclear. We therefore investigated whether molecular regulators of synaptic pathophysiology, previously identified in Drosophila and mouse models, are similarly present and modified in the brain of sheep with CLN5 Batten disease...
November 2015: Brain and Behavior
https://www.readbyqxmd.com/read/26463994/effects-of-sialidase-neu1-sirna-on-proliferation-apoptosis-and-invasion-in-human-ovarian-cancer
#7
Li-rong Ren, Li-ping Zhang, Shu-ying Huang, Yuan-fang Zhu, Wen-juan Li, Shan-yu Fang, Li Shen, Yan-ling Gao
Ovarian cancer is one of the most common malignancies encountered in the world. In ovarian cancer tissues of patients, NEU1 was expressed in a higher level than that in adjacent normal tissues. In this research, we aimed to elucidate the role of NEU1 siRNA on proliferation, apoptosis, and invasion of OVCAR3 and SKOV3 cells which expressed NEU1 notably. By cell viability assay and flow cytometry method, we found that NEU1 siRNA effectively inhibited the cancer proliferation, arrested cells cycle at G0/G1 phase, and induced apoptosis when compared to the Mock group...
January 2016: Molecular and Cellular Biochemistry
https://www.readbyqxmd.com/read/26342652/proteolytic-processing-of-the-neuronal-ceroid-lipofuscinosis-related-lysosomal-protein-cln5
#8
Bhagya De Silva, Jessie Adams, Stella Y Lee
CLN5 is a soluble lysosomal glycoprotein. Deficiency in CLN5 protein causes neuronal ceroid lipofuscinosis, an inherited neurodegenerative lysosomal storage disorder. The function of CLN5 and how it affects lysosome activity are unclear. We identified two forms of the CLN5 protein present in most of the cell lines studied. The molecular mass difference between these two forms is about 4kDa. The fibroblast cells derived from two CLN5 patients lack both forms. Using transient transfection, we showed one of these two forms is a proprotein and the other is a C-terminal cleaved mature form...
October 15, 2015: Experimental Cell Research
https://www.readbyqxmd.com/read/26080076/vegi-attenuates-the-inflammatory-injury-and-disruption-of-blood-brain-barrier-partly-by-suppressing-the-tlr4-nf-%C3%AE%C2%BAb-signaling-pathway-in-experimental-traumatic-brain-injury
#9
Weiwei Gao, Zilong Zhao, Gongjie Yu, Ziwei Zhou, Yuan Zhou, Tingting Hu, Rongcai Jiang, Jianning Zhang
Acute traumatic brain injury (TBI) tends to cause the over-activation of inflammatory response and disruption of blood brain barrier (BBB), associating with long-term cognitive and behavioral dysfunction. Vascular endothelial growth inhibitor (VEGI), as a suppressor in the angiogenesis specifically by inducing apoptosis in proliferating endothelial cells, has been applied to different diseases, especially the tumors. But rare study had been done in the field of brain injury. So in this study, we investigated the effects and mechanisms associated with VEGI-induced neuroprotection following CNS injury in mice TBI models...
October 5, 2015: Brain Research
https://www.readbyqxmd.com/read/26073432/recent-studies-of-ovine-neuronal-ceroid-lipofuscinoses-from-barn-the-batten-animal-research-network
#10
REVIEW
David N Palmer, Nicole J Neverman, Jarol Z Chen, Chia-Tien Chang, Peter J Houweling, Lucy A Barry, Imke Tammen, Stephanie M Hughes, Nadia L Mitchell
Studies on naturally occurring New Zealand and Australian ovine models of the neuronal ceroid-lipofuscinoses (Batten disease, NCLs) have greatly aided our understanding of these diseases. Close collaborations between the New Zealand groups at Lincoln University and the University of Otago, Dunedin, and a group at the University of Sydney, Australia, led to the formation of BARN, the Batten Animal Research Network. This review focusses on presentations at the 14th International Conference on Neuronal Ceroid Lipofuscinoses (Batten Disease), recent relevant background work, and previews of work in preparation for publication...
October 2015: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/26026925/genetics-of-the-neuronal-ceroid-lipofuscinoses-batten-disease
#11
REVIEW
Sara E Mole, Susan L Cotman
The neuronal ceroid lipofuscinoses (NCLs) are a group of inherited neurodegenerative disorders that affect children and adults and are grouped together by similar clinical features and the accumulation of autofluorescent storage material. More than a dozen genes containing over 430 mutations underlying human NCLs have been identified. These genes encode lysosomal enzymes (CLN1, CLN2, CLN10, CLN13), a soluble lysosomal protein (CLN5), a protein in the secretory pathway (CLN11), two cytoplasmic proteins that also peripherally associate with membranes (CLN4, CLN14), and many transmembrane proteins with different subcellular locations (CLN3, CLN6, CLN7, CLN8, CLN12)...
October 2015: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/25976102/the-neuronal-ceroid-lipofuscinoses-program-a-translational-research-experience-in-argentina
#12
REVIEW
Romina Kohan, Favio Pesaola, Norberto Guelbert, Patricia Pons, Ana María Oller-Ramírez, Gisela Rautenberg, Adriana Becerra, Katherine Sims, Winnie Xin, Inés Adriana Cismondi, Inés Noher de Halac
BACKGROUND: The Argentinean program was initiated more than a decade ago as the first experience of systematic translational research focused on NCL in Latin America. The aim was to overcome misdiagnoses and underdiagnoses in the region. SUBJECTS: 216 NCL suspected individuals from 8 different countries and their direct family members. METHODS: Clinical assessment, enzyme testing, electron microscopy, and DNA screening. RESULTS AND DISCUSSION: 1) The study confirmed NCL disease in 122 subjects...
October 2015: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/25962910/cell-biology-of-the-ncl-proteins-what-they-do-and-don-t-do
#13
REVIEW
Jaime Cárcel-Trullols, Attila D Kovács, David A Pearce
The fatal, primarily childhood neurodegenerative disorders, neuronal ceroid lipofuscinoses (NCLs), are currently associated with mutations in 13 genes. The protein products of these genes (CLN1 to CLN14) differ in their function and their intracellular localization. NCL-associated proteins have been localized mostly in lysosomes (CLN1, CLN2, CLN3, CLN5, CLN7, CLN10, CLN12 and CLN13) but also in the Endoplasmic Reticulum (CLN6 and CLN8), or in the cytosol associated to vesicular membranes (CLN4 and CLN14). Some of them such as CLN1 (palmitoyl protein thioesterase 1), CLN2 (tripeptidyl-peptidase 1), CLN5, CLN10 (cathepsin D), and CLN13 (cathepsin F), are lysosomal soluble proteins; others like CLN3, CLN7, and CLN12, have been proposed to be lysosomal transmembrane proteins...
October 2015: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/25934231/golden-retriever-dogs-with-neuronal-ceroid-lipofuscinosis-have-a-two-base-pair-deletion-and-frameshift-in-cln5
#14
D Gilliam, A Kolicheski, G S Johnson, T Mhlanga-Mutangadura, J F Taylor, R D Schnabel, M L Katz
We studied a recessive, progressive neurodegenerative disease occurring in Golden Retriever siblings with an onset of signs at 15 months of age. As the disease progressed these signs included ataxia, anxiety, pacing and circling, tremors, aggression, visual impairment and localized and generalized seizures. A whole genome sequence, generated with DNA from one affected dog, contained a plausibly causal homozygous mutation: CLN5:c.934_935delAG. This mutation was predicted to produce a frameshift and premature termination codon and encode a protein variant, CLN5:p...
June 2015: Molecular Genetics and Metabolism
https://www.readbyqxmd.com/read/25724202/translational-neurophysiology-in-sheep-measuring-sleep-and-neurological-dysfunction-in-cln5-batten-disease-affected-sheep
#15
Nicholas Perentos, Amadeu Q Martins, Thomas C Watson, Ullrich Bartsch, Nadia L Mitchell, David N Palmer, Matthew W Jones, A Jennifer Morton
Creating valid mouse models of slowly progressing human neurological diseases is challenging, not least because the short lifespan of rodents confounds realistic modelling of disease time course. With their large brains and long lives, sheep offer significant advantages for translational studies of human disease. Here we used normal and CLN5 Batten disease affected sheep to demonstrate the use of the species for studying neurological function in a model of human disease. We show that electroencephalography can be used in sheep, and that longitudinal recordings spanning many months are possible...
April 2015: Brain: a Journal of Neurology
https://www.readbyqxmd.com/read/25439737/rett-like-onset-in-late-infantile-neuronal-ceroid-lipofuscinosis-cln7-caused-by-compound-heterozygous-mutation-in-the-mfsd8-gene-and-review-of-the-literature-data-on-clinical-onset-signs
#16
Dana Craiu, Octavia Dragostin, Alice Dica, Dorota Hoffman-Zacharska, Monika Gos, Alexandra Eugenia Bastian, Mihaela Gherghiceanu, Arndt Rolfs, Nahid Nahavandi, Mihai Craiu, Catrinel Iliescu
BACKGROUND: We present clinical and molecular findings of a patient with ceroid-lipofuscinosis CLN7, with a compound heterozygous mutation of the MFSD8 gene, with Rett syndrome clinical signs onset and a later development of full picture of vLINCL. CASE PRESENTATION: A 7 years-old female patient with normal development until the age 12 months, developed Rett like clinical picture (psychomotor regression, microcephaly, stereotypic hands movements in the midline, hyperventilation episodes) present at the onset of her condition (age 18 months), features still present at the initial evaluation in our clinic at age 5 years...
January 2015: European Journal of Paediatric Neurology: EJPN
https://www.readbyqxmd.com/read/25359263/adult-onset-autosomal-recessive-ataxia-associated-with-neuronal-ceroid-lipofuscinosis-type-5-gene-cln5-mutations
#17
Cecilia Mancini, Stefano Nassani, Yiran Guo, Yulan Chen, Elisa Giorgio, Alessandro Brussino, Eleonora Di Gregorio, Simona Cavalieri, Nicola Lo Buono, Ada Funaro, Nicola Renato Pizio, Bruce Nmezi, Aija Kyttala, Filippo Maria Santorelli, Quasar Salem Padiath, Hakon Hakonarson, Hao Zhang, Alfredo Brusco
Autosomal recessive inherited ataxias are a growing group of genetic disorders. We report two Italian siblings presenting in their mid-50s with difficulty in walking, dysarthria and progressive cognitive decline. Visual loss, ascribed to glaucoma, manifested a few years before the other symptoms. Brain MRI showed severe cerebellar atrophy, prevalent in the vermis, with marked cortical atrophy of both hemispheres. Exome sequencing identified a novel homozygous mutation (c.935G > A;p.Ser312Asn) in the ceroid neuronal lipofuscinosis type 5 gene (CLN5)...
January 2015: Journal of Neurology
https://www.readbyqxmd.com/read/25303899/neuronal-ceroid-lipofuscinosis-genes-cln2-cln3-and-cln5-are-spatially-and-temporally-co-expressed-in-a-developing-mouse-brain
#18
A-L Fabritius, J Vesa, H M Minye, I Nakano, H Kornblum, L Peltonen
Neuronal ceroid lipofuscinosis (NCL) diseases consist of a group of genetically inherited neurodegenerative disorders that share common symptoms such as seizures, psychomotor retardation, blindness, and premature death. Although gene defects behind the NCL diseases are well characterized, very little is known how these defects affect normal development of the brain and cause the pathology of the disease. To obtain understanding of the development of the cell types that are mostly affected by defective function of CLN proteins, timing of expression of CLN2, CLN3 and CLN5 genes was investigated in developing mouse brain...
December 2014: Experimental and Molecular Pathology
https://www.readbyqxmd.com/read/24804307/deregulation-of-biometal-homeostasis-the-missing-link-for-neuronal-ceroid-lipofuscinoses
#19
Alexandra Grubman, Eveliina Pollari, Clare Duncan, Aphrodite Caragounis, Tea Blom, Irene Volitakis, Andrew Wong, Jonathan Cooper, Peter J Crouch, Jari Koistinaho, Anu Jalanko, Anthony R White, Katja M Kanninen
Neuronal ceroid lipofuscinoses (NCLs), a group of genetically distinct fatal neurodegenerative disorders with no treatment or cure, are clinically characterised by progressive motor and visual decline leading to premature death. While the underlying pathological mechanisms are yet to be precisely determined, the diseases share several common features including inflammation, lysosomal lipofuscin deposits and lipid abnormalities. An important hallmark of most common neurodegenerative disorders including Alzheimer's, Parkinson's and motor neuron diseases is deregulation of biologically active metal homeostasis...
April 2014: Metallomics: Integrated Biometal Science
https://www.readbyqxmd.com/read/24626841/deregulation-of-biometal-homeostasis-the-missing-link-for-neuronal-ceroid-lipofuscinoses
#20
Alexandra Grubman, Eveliina Pollari, Clare Duncan, Aphrodite Caragounis, Tea Blom, Irene Volitakis, Andrew Wong, Jonathan Cooper, Peter J Crouch, Jari Koistinaho, Anu Jalanko, Anthony R White, Katja M Kanninen
Neuronal ceroid lipofuscinoses (NCLs), a group of genetically distinct fatal neurodegenerative disorders with no treatment or cure, are clinically characterised by progressive motor and visual decline leading to premature death. While the underlying pathological mechanisms are yet to be precisely determined, the diseases share several common features including inflammation, lysosomal lipofuscin deposits and lipid abnormalities. An important hallmark of most common neurodegenerative disorders including Alzheimer's, Parkinson's and motor neuron diseases is deregulation of biologically active metal homeostasis...
April 26, 2014: Metallomics: Integrated Biometal Science
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