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Batten disease

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https://www.readbyqxmd.com/read/28623936/safety-and-potential-efficacy-of-gemfibrozil-as-a-supportive-treatment-for-children-with-late-infantile-neuronal-ceroid-lipofuscinosis-and-other-lipid-storage-disorders
#1
REVIEW
Kyeongsoon Kim, Hynda K Kleinman, Hahn-Jun Lee, Kalipada Pahan
Neuronal Ceroid Lipofuscinosis (NCL), also known as Batten disease, is a group of genetically distinct lysosomal disorders that mainly affect the central nervous system, resulting in progressive motor and cognitive decline primarily in children. Multiple distinct genes involved in the metabolism of lipids have been identified to date with various mutations in this family of diseases. There is no cure for these diseases but some new therapeutic approaches have been tested that offer more hope than the standard palliative care...
June 17, 2017: Orphanet Journal of Rare Diseases
https://www.readbyqxmd.com/read/28559377/calcineurin-nfat-signaling-in-activated-astrocytes-drives-network-hyperexcitability-in-a%C3%AE-bearing-mice
#2
Pradoldej Sompol, Jennifer L Furman, Melanie M Pleiss, Susan D Kraner, Irina A Artiushin, Seth R Batten, Jorge E Quintero, Linda A Simmerman, Tina L Beckett, Mark A Lovell, M Paul Murphy, Greg A Gerhardt, Christopher M Norris
Hyperexcitable neuronal networks are mechanistically-linked to the pathologic and clinical features of Alzheimer's disease (AD). Astrocytes are a primary defense against hyperexcitability, but their functional phenotype during AD is poorly understood. Here, we found that activated astrocytes in the 5xFAD mouse model were strongly associated with proteolysis of the protein phosphatase calcineurin (CN), and the elevated expression of the CN-dependent transcription factor, NFAT4. Intrahippocampal injections of AAV vectors containing the astrocyte specific promoter, Gfa2, and the NFAT inhibitory peptide, VIVIT, reduced signs of glutamate-mediated hyperexcitability in 5xFAD mice, measured in vivo with microelectrode arrays (MEA) and ex vivo brain slices, using whole-cell voltage clamp...
May 30, 2017: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
https://www.readbyqxmd.com/read/28464005/a-tailored-mouse-model-of-cln2-disease-a-nonsense-mutant-for-testing-personalized-therapies
#3
Ryan D Geraets, Logan M Langin, Jacob T Cain, Camille M Parker, Rosanna Beraldi, Attila D Kovacs, Jill M Weimer, David A Pearce
The Neuronal Ceroid Lipofuscinoses (NCLs), also known as Batten disease, result from mutations in over a dozen genes. Although, adults are susceptible, the NCLs are frequently classified as pediatric neurodegenerative diseases due to their greater pediatric prevalence. Initial clinical presentation usually consists of either seizures or retinopathy but develops to encompass both in conjunction with declining motor and cognitive function. The NCLs result in premature death due to the absence of curative therapies...
2017: PloS One
https://www.readbyqxmd.com/read/28456990/prenatal-diagnosis-of-lysosomal-storage-disorders-using-chorionic-villi
#4
Jyotsna Verma, Sunita Bijarnia-Mahay, Ishwar C Verma
Prenatal enzymatic diagnosis for an array of lysosomal storage disorders (LSDs) can be performed accurately, provided that a confirmed diagnosis by biochemical/molecular study in the index case is available and a strict defined protocol, specific to each individual disorder is followed. The present chapter describes the protocols for reliable and accurate prenatal enzymatic diagnoses by fluorometric and spectrophotometric methods of lysosomal storage disorders: Gaucher, Fabry, Pompe, Niemann Pick A/B, Tay Sach, Sandhoff, GM1, Mucoplysaccharidoses, Wolman, Krabbe, Metachromatic leukodystrophy, and Batten diseases using uncultured chorionic villi samples...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/28390949/ncls-and-er-a-stressful-relationship
#5
REVIEW
Davide Marotta, Elisa Tinelli, Sara E Mole
The Neuronal Ceroid Lipofuscinoses (NCLs, Batten disease) are a group of inherited neurodegenerative disorders with variable age of onset, characterized by the lysosomal accumulation of autofluorescent ceroid lipopigments. The endoplasmic reticulum (ER) is a critical organelle for normal cell function. Alteration of ER homeostasis leads to accumulation of misfolded protein in the ER and to activation of the unfolded protein response. ER stress and the UPR have recently been linked to the NCLs. In this review, we will discuss the evidence for UPR activation in the NCLs, and address its connection to disease pathogenesis...
April 6, 2017: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/28365442/loss-of-cln3-impacts-protein-secretion-in-the-social-amoeba-dictyostelium
#6
Robert J Huber
Neuronal ceroid lipofuscinosis (NCL), also referred to as Batten disease, is the most common form of childhood neurodegeneration. Mutations in CLN3 cause the most prevalent subtype of the disease, which manifests during early childhood and is currently untreatable. The precise function of the CLN3 protein is still not known, which has inhibited the development of targeted therapies. In the social amoeba Dictyostelium discoideum, loss of the CLN3 homolog, Cln3, reduces adhesion during early development, which delays streaming and aggregation...
March 29, 2017: Cellular Signalling
https://www.readbyqxmd.com/read/28213849/widespread-expression-of-a-membrane-tethered-version-of-the-soluble-lysosomal-enzyme-palmitoyl-protein-thioesterase-1
#7
Charles Shyng, Shannon L Macauley, Joshua T Dearborn, Mark S Sands
"Cross-correction," the transfer of soluble lysosomal enzymes between neighboring cells, forms the foundation for therapeutics of lysosomal storage disorders (LSDs). However, "cross-correction" poses a significant barrier to studying the role of specific cell types in LSD pathogenesis. By expressing the native enzyme in only one cell type, neighboring cell types are invariably corrected. In this study, we present a strategy to limit "cross-correction" of palmitoyl-protein thioesterase-1(PPT1), a lysosomal hydrolase deficient in Infantile Neuronal Ceroid Lipofuscinosis (INCL, Infantile Batten disease) to the lysosomal membrane via the C-terminus of lysosomal associated membrane protein-1 (LAMP1)...
February 18, 2017: JIMD Reports
https://www.readbyqxmd.com/read/28165011/mtorc1-independent-tfeb-activation-via-akt-inhibition-promotes-cellular-clearance-in-neurodegenerative-storage-diseases
#8
Michela Palmieri, Rituraj Pal, Hemanth R Nelvagal, Parisa Lotfi, Gary R Stinnett, Michelle L Seymour, Arindam Chaudhury, Lakshya Bajaj, Vitaliy V Bondar, Laura Bremner, Usama Saleem, Dennis Y Tse, Deepthi Sanagasetti, Samuel M Wu, Joel R Neilson, Fred A Pereira, Robia G Pautler, George G Rodney, Jonathan D Cooper, Marco Sardiello
Neurodegenerative diseases characterized by aberrant accumulation of undigested cellular components represent unmet medical conditions for which the identification of actionable targets is urgently needed. Here we identify a pharmacologically actionable pathway that controls cellular clearance via Akt modulation of transcription factor EB (TFEB), a master regulator of lysosomal pathways. We show that Akt phosphorylates TFEB at Ser467 and represses TFEB nuclear translocation independently of mechanistic target of rapamycin complex 1 (mTORC1), a known TFEB inhibitor...
February 6, 2017: Nature Communications
https://www.readbyqxmd.com/read/28131750/efficacy-of-eplerenone-in-the-management-of-mineralocorticoid-excess-in-men-with-metastatic-castration-resistant-prostate-cancer-treated-with-abiraterone-without-prednisone
#9
David Gill, David Gaston, Erin Bailey, Andrew Hahn, Sumati Gupta, Julia Batten, Anitha Alex, Kenneth Boucher, David Stenehjem, Neeraj Agarwal
BACKGROUND: Abiraterone acetate has been approved for metastatic castration-resistant prostate cancer (mCRPC). Coadministration with prednisone has been recommended to prevent the toxicity from secondary mineralocorticoid excess, such as hypertension, hypokalemia, and edema. However, the use of prednisone is often not desired by patients because of the potential for detrimental effects of long-term therapy with corticosteroids, especially in those with comorbidities such as diabetes or who have received previous immunotherapeutic agents...
January 5, 2017: Clinical Genitourinary Cancer
https://www.readbyqxmd.com/read/28065762/characterisation-of-early-changes-in-ovine-cln5-and-cln6-batten-disease-neural-cultures-for-the-rapid-screening-of-therapeutics
#10
Hannah L Best, Nicole J Neverman, Hollie E Wicky, Nadia L Mitchell, Beulah Leitch, Stephanie M Hughes
Batten disease (neuronal ceroid lipofuscinosis) refers to a group of neurodegenerative lysosomal storage diseases predominantly affecting children. There are currently no effective treatments, and the functions of many of the associated gene products are unknown. Here we characterise fetal neural cultures from two genetically distinct sheep forms of Batten disease, with mutations in the lysosomal protein encoding gene CLN5 and endoplasmic reticulum membrane protein encoding gene CLN6, respectively. We found similar reductions in autophagy, acidic organelles and synaptic recycling in both forms compared to unaffected cells...
January 5, 2017: Neurobiology of Disease
https://www.readbyqxmd.com/read/27881166/using-the-social-amoeba-dictyostelium-to-study-the-functions-of-proteins-linked-to-neuronal-ceroid-lipofuscinosis
#11
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/27804148/efficacy-of-phosphodiesterase-4-inhibitors-in-juvenile-batten-disease-cln3
#12
Amy Aldrich, Megan E Bosch, Rachel Fallet, Jessica Odvody, Maria Burkovetskaya, Kakulavarapu V Rama Rao, Jonathan D Cooper, Arlene V Drack, Tammy Kielian
OBJECTIVE: Juvenile neuronal ceroid lipofuscinosis (JNCL), or juvenile Batten disease, is a pediatric lysosomal storage disease caused by autosomal recessive mutations in CLN3, typified by blindness, seizures, progressive cognitive and motor decline, and premature death. Currently, there is no treatment for JNCL that slows disease progression, which highlights the need to explore novel strategies to extend the survival and quality of life of afflicted children. Cyclic adenosine monophosphate (cAMP) is a second messenger with pleiotropic effects, including regulating neuroinflammation and neuronal survival...
December 2016: Annals of Neurology
https://www.readbyqxmd.com/read/27766444/flunarizine-rescues-reduced-lifespan-in-cln3-triple-knock-out-caenorhabditis-elegans-model-of-batten-disease
#13
Young Joon Kwon, Marni J Falk, Michael J Bennett
CLN3 disease (Spielmeyer-Vogt-Sjogren-Batten disease, previously known as classic juvenile neuronal ceroid lipofuscinosis, NCL) is a pediatric-onset progressive neurodegenerative disease characterized by progressive vision loss, seizures, loss of cognitive and motor function, and early death. While no precise biochemical mechanism or therapies are known, the pathogenesis of CLN3 disease involves intracellular calcium accumulation that may trigger apoptosis. Our prior work in in vitro cell models of CLN3 deficiency suggested that FDA-approved calcium channel antagonists may have therapeutic value...
March 2017: Journal of Inherited Metabolic Disease
https://www.readbyqxmd.com/read/27744565/a-phase-i-study-to-determine-the-pharmacokinetics-and-urinary-excretion-of-belinostat-and-metabolites-in-patients-with-advanced-solid-tumors
#14
Hanna Bailey, Jordan P McPherson, Erin B Bailey, Theresa L Werner, Sumati Gupta, Julia Batten, Guru Reddy, Gajanan Bhat, Sunil Sharma, Neeraj Agarwal
PURPOSE: Belinostat is an inhibitor of histone deacetylase enzymes, resulting in DNA repair inhibition and apoptosis. Present data are lacking to provide dosing recommendations in renal insufficiency. The purpose of this trial was to assess the pharmacokinetics (PK) of belinostat and belinostat metabolites in plasma and urine. METHODS: This was a phase I, single-center, open-label, two-part study. In Part I, patients received single-agent belinostat 1000 mg/m(2)...
November 2016: Cancer Chemotherapy and Pharmacology
https://www.readbyqxmd.com/read/27669405/aberrant-adhesion-impacts-early-development-in-a-dictyostelium-model-for-juvenile-neuronal-ceroid-lipofuscinosis
#15
Robert J Huber, Michael A Myre, Susan L Cotman
Neuronal ceroid lipofuscinosis (NCL), also known as Batten disease, refers to a group of severe neurodegenerative disorders that primarily affect children. The most common subtype of the disease is caused by loss-of-function mutations in CLN3, which is conserved across model species from yeast to human. The precise function of the CLN3 protein is not known, which has made targeted therapy development challenging. In the social amoeba Dictyostelium discoideum, loss of Cln3 causes aberrant mid-to-late stage multicellular development...
September 26, 2016: Cell Adhesion & Migration
https://www.readbyqxmd.com/read/27615017/over-the-scope-clip-closure-of-gastrocutaneous-fistula
#16
Eduardo Rodrigues-Pinto, Pedro Pereira, Filipe Vilas-Boas, Guilherme Macedo
A 35-year-old female patient, with Batten's disease, submitted to a surgical gastrostomy in 2005, and had it replaced in 2007, 2011 and 2014 with one with a filled balloon as its internal retention mechanism. In 2015, she presented to the emergency room due to stomal enlargement, leakage and chemical dermatitis and cellulitis. A 12 mm over-the-scope clip was placed, after anchoring the fistula edges with the twin grasper and suction of the defect into the applicator cap. Endoscopic resolution of the fistula was achieved...
September 2016: Revista Española de Enfermedades Digestivas
https://www.readbyqxmd.com/read/27488642/an-eeg-investigation-of-sleep-homeostasis-in-healthy-and-cln5-batten-disease-affected-sheep
#17
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/27484889/development-of-a-novel-reverse-transcription-loop-mediated-isothermal-amplification-assay-for-the-rapid-detection-of-african-horse-sickness-virus
#18
V L Fowler, E L A Howson, J Flannery, M Romito, A Lubisi, M Agüero, P Mertens, C A Batten, H R Warren, J Castillo-Olivares
African horse sickness (AHS) is a disease of equids caused by African Horse Sickness Virus (AHSV) and is transmitted by Culicoides midges. AHS is endemic in sub-Saharan Africa, but during the past century, outbreaks of significant economic importance and elevated mortality have been recorded in Northern African countries, the Iberian and Arabian Peninsula, the Middle East and the Indian subcontinent. Effective control combines the application of early warning systems, accurate laboratory diagnosis and reporting, animal movement restrictions, suitable vaccination and surveillance programs, and the coordination of all these measures by efficient veterinary services...
August 2, 2016: Transboundary and Emerging Diseases
https://www.readbyqxmd.com/read/27434683/cns-restricted-transduction-and-crispr-cas9-mediated-gene-deletion-with-an-engineered-aav-vector
#19
Giridhar Murlidharan, Kensuke Sakamoto, Lavanya Rao, Travis Corriher, Dan Wang, Guangping Gao, Patrick Sullivan, Aravind Asokan
Gene therapy using recombinant adeno-associated viral (AAV) vectors is emerging as a promising approach to treat central nervous system disorders such as Spinal muscular atrophy, Batten, Parkinson and Alzheimer disease amongst others. A critical remaining challenge for central nervous system-targeted gene therapy, silencing or gene editing is to limit potential vector dose-related toxicity in off-target cells and organs. Here, we characterize a lab-derived AAV chimeric (AAV2g9), which displays favorable central nervous system attributes derived from both parental counterparts, AAV2 and AAV9...
July 19, 2016: Molecular Therapy. Nucleic Acids
https://www.readbyqxmd.com/read/27327661/neurodegeneration-and-epilepsy-in-a-zebrafish-model-of-cln3-disease-batten-disease
#20
Kim Wager, Anselm A Zdebik, Sonia Fu, Jonathan D Cooper, Robert J Harvey, Claire Russell
The neuronal ceroid lipofuscinoses are a group of lysosomal storage disorders that comprise the most common, genetically heterogeneous, fatal neurodegenerative disorders of children. They are characterised by childhood onset, visual failure, epileptic seizures, psychomotor retardation and dementia. CLN3 disease, also known as Batten disease, is caused by autosomal recessive mutations in the CLN3 gene, 80-85% of which are a ~1 kb deletion. Currently no treatments exist, and after much suffering, the disease inevitably results in premature death...
2016: PloS One
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