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https://www.readbyqxmd.com/read/28516863/sporadic-creutzfeldt-jakob-disease-in-2-plasma-product-recipients-united-kingdom
#1
Patrick Urwin, Kumar Thanigaikumar, James W Ironside, Anna Molesworth, Richard S Knight, Patricia E Hewitt, Charlotte Llewelyn, Jan Mackenzie, Robert G Will
Sporadic Creutzfeldt-Jakob disease (sCJD) has not been previously reported in patients with clotting disorders treated with fractionated plasma products. We report 2 cases of sCJD identified in the United Kingdom in patients with a history of extended treatment for clotting disorders; 1 patient had hemophilia B and the other von Willebrand disease. Both patients had been informed previously that they were at increased risk for variant CJD because of past treatment with fractionated plasma products sourced in the United Kingdom...
June 2017: Emerging Infectious Diseases
https://www.readbyqxmd.com/read/28509623/gastrostomy-in-patients-with-prion-disease
#2
Yasushi Iwasaki, Keiko Mori, Masumi Ito, Yoshinari Kawai, Ken-Ichiro Hoshino, Yuko Kawabata, Maya Mimuro, Mari Yoshida
Patients with prion diseases can live for long periods of time in a state of akinetic mutism given appropriate management of their symptoms. To study symptom support in these cases, we performed gastrostomies on 3 patients with V180I genetic Creutzfeldt-Jakob disease (CJD) who had become akinetic and mute, and compared them to 14 other similar patients being fed by tube. In the 3 gastrostomy cases, there were no direct complications due to the gastrostomy or tube feeding, nor were there episodes of discontinuation of tube feeding or initiation of continuous drip infusion due to severe complications...
May 4, 2017: Prion
https://www.readbyqxmd.com/read/28509609/amyloid-and-fdg-pet-in-sporadic-creutzfeldt-jakob-disease-correlation-with-pathological-prion-protein-in-neuropathology
#3
Jordi A Matías-Guiu, Carmen Guerrero-Márquez, María Nieves Cabrera-Martín, Ulises Gómez-Pinedo, María Romeral, Diego Mayo, Jesús Porta-Etessam, Teresa Moreno-Ramos, José Luis Carreras, Jorge Matías-Guiu
INTRODUCTION: The role of positron emission tomography (PET) in Creutzfeldt-Jakob disease is less defined than in other neurodegenerative diseases. We studied the correlation between the uptake of (18)F-florbetaben and (18)F-fluorodeoxyglucose with pathological prion protein deposition in histopathology in a case. METHODS: A patient with 80 y old with a rapid neurological deterioration with a confirmed diagnosis of CJD was studied. PET and MRI studies were performed between 13-20 d before the death...
May 4, 2017: Prion
https://www.readbyqxmd.com/read/28509083/detection-of-csf-14-3-3-protein-in-sporadic-creutzfeldt-jakob-disease-patients-using-a-new-automated-capillary-western-assay
#4
A Fourier, A Dorey, A Perret-Liaudet, I Quadrio
Sporadic Creutzfeldt-Jakob disease (sCJD) is a fatal rapidly progressive dementia. The detection of 14-3-3 protein in cerebrospinal fluid (CSF) is included in the WHO diagnostic criteria for the pre-mortem diagnosis of CJD. The aim of this study is to assess CSF 14-3-3 protein analytical and diagnostic performances using a new automated capillary Western technology (Simple Western technology-SW). For the validation of this assay, samples from a cohort of 268 patients suspected from sCJD were analyzed: 77 sCJD (including 40 definite sCJD) and 191 non-CJD samples were tested using both SW and the current Western Blot (WB) assays...
May 16, 2017: Molecular Neurobiology
https://www.readbyqxmd.com/read/28470584/myelin-basic-protein-citrullination-a-hallmark-of-central-nervous-system-demyelination-assessed-by-novel-monoclonal-antibodies-in-prion-diseases
#5
Byungki Jang, Yong-Chul Jeon, Hae-Young Shin, Yun-Jung Lee, Hyunji Kim, Yoshitaka Kondo, Akihito Ishigami, Yong-Sun Kim, Eun-Kyoung Choi
Myelin basic protein (MBP) citrullination by peptidylarginine deiminase (PAD) enzymes leads to incomplete protein-lipid bilayer interactions and vulnerability to proteolytic enzymes, resulting in disorganization of the myelin sheath in the central nervous system. Therefore, citrullinated MBP (citMBP) has been suggested as a hallmark of demyelination, but how citMBP is implicated in prion diseases remains unknown. For the first time, we developed mouse monoclonal anti-citMBP IgG1 (clones 1B8, 1H1, and 3C6) and IgM (clone 3G5) antibodies that recognize human citMBP at its R25, R122, and R130 residues and at its C-terminal region (or the corresponding sites in mouse MBP), respectively...
May 3, 2017: Molecular Neurobiology
https://www.readbyqxmd.com/read/28455699/an-in-vivo-11-c-r-pk11195-pet-and-in-vitro-pathology-study-of-microglia-activation-in-creutzfeldt-jakob-disease
#6
Leonardo Iaccarino, Rosa Maria Moresco, Luca Presotto, Orso Bugiani, Sandro Iannaccone, Giorgio Giaccone, Fabrizio Tagliavini, Daniela Perani
Microgliosis is part of the immunobiology of Creutzfeldt-Jakob disease (CJD). This is the first report using (11)C-(R)-PK11195 PET imaging in vivo to measure 18 kDa translocator protein (TSPO) expression, indexing microglia activation, in symptomatic CJD patients, followed by a postmortem neuropathology comparison. One genetic CJD (gCJD) patient, two sporadic CJD (sCJD) patients, one variant CJD (vCJD) patient (mean ± SD age, 47.50 ± 15.95 years), and nine healthy controls (mean ± SD age, 44.00 ± 11...
April 28, 2017: Molecular Neurobiology
https://www.readbyqxmd.com/read/28453595/-eyelid-retraction-of-neurologic-origin-report-of-three-cases
#7
Luis Cartier R, Jorge Guzmán S, Renzo Pasquali F
Eyelid retraction, has received limited attention and it has passively been interpreted as the result of an overactive levator palpebrae superioris muscle secondary to midbrain injury. However, eyelid retractions can occur in other neurological diseases, not directly related with the midbrain. We report three patients who developed eyelid retraction. One patient had a bilateral eyelid retraction, related with Creutzfeldt-Jakob disease (CJD). Another patient had a unilateral right eyelid retraction associated with a thalamic-mesencephalic infarct...
February 2017: Revista Médica de Chile
https://www.readbyqxmd.com/read/28444687/creutzfeldt-jakob-disease-lookback-study-21-years-of-surveillance-for-transfusion-transmission-risk
#8
Lauren A Crowder, Lawrence B Schonberger, Roger Y Dodd, Whitney R Steele
BACKGROUND: Transfusion transmission of human prion diseases has been observed for variant Creutzfeldt-Jakob disease (vCJD), but not for the classic forms of prion disease (CJD: sporadic, genetic, and iatrogenic). Although the presence of prions or misfolded prion proteins in blood has been documented in some patients with the most common form of CJD, sporadic CJD, no transfusion-transmitted cases of CJD have been recognized. Since 1995, the American Red Cross has conducted a lookback study of the recipients of blood products from donors who develop CJD to assess the risk of blood-borne CJD transmission in the United States...
April 25, 2017: Transfusion
https://www.readbyqxmd.com/read/28430289/evidence-from-spatial-pattern-analysis-for-the-anatomical-spread-of-%C3%AE-synuclein-pathology-in-parkinson-s-disease-dementia
#9
Richard A Armstrong
<i>The objective of this study was to determine whether there is evidence from quantitative morphometry and spatial pattern analysis to support the hypothesis of anatomical spread of -synuclein in Parkinson's disease dementia (PDD). Hence, clustering of -synuclein-immunoreactive Lewy bodies (LB), Lewy neurites (LN), and Lewy grains (LG) was studied in -synuclein-immunolabeled sections of cortical and limbic regions in 12 cases of PDD. The data suggested that: (1) LB, LN, and LG occurred in clusters which in 63% of regions were regularly distributed parallel to the tissue boundary, (2) in approximately 30% of cortical regions, the estimated cluster size of LB, LN, and LG was within the size range of cellular columns associated with the cortico-cortical pathways, (3) regularly distributed clusters were present in anatomically connected regions, and (4) the clustering pattern was similar to that of prion protein (PrPsc) deposits in Creutzfeldt-Jacob disease (CJD)...
2017: Folia Neuropathologica
https://www.readbyqxmd.com/read/28413741/serial-magnetic-resonance-imaging-in-creutzfeldt-jakob-disease-a-case-report-and-literature-review
#10
Ahmed H Qavi, Tasnim F Imran, Zachariah Hasan, Fariha Ilyas, Usman Ghani, Salman Assad, Shabih Hasan
Creutzfeldt-Jakob disease (CJD) is a rare, degenerative, invariably fatal brain disorder. CJD usually appears in later life and runs a rapid course. Typically, the onset of symptoms occurs about age 60 and about 90% of individuals die within one year. We report a case of 67-year-old male presented with progressive aphasia, confusion, dysphagia and inability to carry out activities of daily life (ADLs) over a period of three to four weeks. The patient had past medical history of chronic atrial fibrillation and hypertension...
March 14, 2017: Curēus
https://www.readbyqxmd.com/read/28402042/mm1-type-sporadic-creutzfeldt-jakob-disease-with-1-month-total-disease-duration-and-early-pathologic-indicators
#11
Yasushi Iwasaki, Hiroko Kato, Tetsuo Ando, Maya Mimuro, Tetsuyuki Kitamoto, Mari Yoshida
A 62-year-old man presented with abnormal behavior and cognitive impairment. Diffusion-weighted images (DWI) obtained on MRI showed extensive hyperintense regions in the cerebral cortex and striatum. Myoclonus was recognized, and the patient died 1 month after the onset; his condition did not reach the akinetic mutism state. The brain weighed 1300 g and showed no apparent atrophy. Extensive spongiform changes were observed in the cerebral neocortex, striatum, thalamus and cerebellar cortex, but gliosis was mild or absent...
April 12, 2017: Neuropathology: Official Journal of the Japanese Society of Neuropathology
https://www.readbyqxmd.com/read/28349199/amyloid-%C3%AE-accumulation-in-the-cns-in-human-growth-hormone-recipients-in-the-uk
#12
Diane L Ritchie, Peter Adlard, Alexander H Peden, Suzanne Lowrie, Margaret Le Grice, Kimberley Burns, Rosemary J Jackson, Helen Yull, Michael J Keogh, Wei Wei, Patrick F Chinnery, Mark W Head, James W Ironside
Human-to-human transmission of Creutzfeldt-Jakob disease (CJD) has occurred through medical procedures resulting in iatrogenic CJD (iCJD). One of the commonest causes of iCJD was the use of human pituitary-derived growth hormone (hGH) to treat primary or secondary growth hormone deficiency. As part of a comprehensive tissue-based analysis of the largest cohort yet collected (35 cases) of UK hGH-iCJD cases, we describe the clinicopathological phenotype of hGH-iCJD in the UK. In the 33/35 hGH-iCJD cases with sufficient paraffin-embedded tissue for full pathological examination, we report the accumulation of the amyloid beta (Aβ) protein associated with Alzheimer's disease (AD) in the brains and cerebral blood vessels in 18/33 hGH-iCJD patients and for the first time in 5/12 hGH recipients who died from causes other than CJD...
March 27, 2017: Acta Neuropathologica
https://www.readbyqxmd.com/read/28332471/cjd-surveillance-in-the-republic-of-ireland-from-2005-to-2015-a-suggested-algorithm-for-referrals
#13
Teresa Loftus, Daphne Chen, Seamus Looby, Albi Chalissery, Rachel Howley, Ciara Heaney, Josephine Heffernan, Michael Farrell, Francesca Brett
Definitive diagnosis of Creutzfeldt Jakob disease (CJD) remains tissue-based. Possible and probable CJD are useful clinical terms but may be used indiscriminately. The aim of this study was to assess the effectiveness of the Irish surveillance system and to ascertain how diagnostic accuracy in identifying clinically "definite" cases might be improved. We reviewed the clinical information, relevant investigations, and samples n = 100; (autopsy n = 87; biopsy n = 13) in 96 patients between January 1, 2005 and December 31, 2015...
March 23, 2017: Clinical Neuropathology
https://www.readbyqxmd.com/read/28321768/validation-of-%C3%AE-synuclein-as-a-csf-biomarker-for-sporadic-creutzfeldt-jakob-disease
#14
Franc Llorens, Niels Kruse, André Karch, Matthias Schmitz, Saima Zafar, Nadine Gotzmann, Ting Sun, Silja Köchy, Tobias Knipper, Maria Cramm, Ewa Golanska, Beata Sikorska, Pawel P Liberski, Raquel Sánchez-Valle, Andre Fischer, Brit Mollenhauer, Inga Zerr
The analysis of cerebrospinal fluid (CSF) biomarkers gains importance in the differential diagnosis of prion diseases. However, no single diagnostic tool or combination of them can unequivocally confirm prion disease diagnosis. Electrochemiluminescence (ECL)-based immunoassays have demonstrated to achieve high diagnostic accuracy in a variety of sample types due to their high sensitivity and dynamic range. Quantification of CSF α-synuclein (a-syn) by an in-house ECL-based ELISA assay has been recently reported as an excellent approach for the diagnosis of sporadic Creutzfeldt-Jakob disease (sCJD), the most prevalent form of human prion disease...
March 21, 2017: Molecular Neurobiology
https://www.readbyqxmd.com/read/28298604/prion-strain-characterization-of-a-novel-subtype-of-creutzfeldt-jakob-disease
#15
Roberta Galeno, Michele Angelo Di Bari, Romolo Nonno, Franco Cardone, Marco Sbriccoli, Silvia Graziano, Loredana Ingrosso, Michele Fiorini, Angelina Valanzano, Giulia Pasini, Anna Poleggi, Ramona Vinci, Anna Ladogana, Maria Puopolo, Salvatore Monaco, Umberto Agrimi, Gianluigi Zanusso, Maurizio Pocchiari
In 2007, we reported a patient with an atypical form of Creutzfeldt-Jakob disease (CJD) heterozygous for methionine-valine (MV) at codon 129 who showed a novel pathological prion protein (PrP(TSE)) conformation with an atypical glycoform (AG) profile and intraneuronal PrP deposition. In the present study, we further characterize the conformational properties of this pathological prion protein (PrP(TSE) MV(AG)), showing that PrP(TSE) MV(AG) is composed of multiple conformers with biochemical properties distinct from those of PrP(TSE) type 1 and type 2 of MV sporadic CJD (sCJD)...
June 1, 2017: Journal of Virology
https://www.readbyqxmd.com/read/28278113/clinical-and-laboratory-features-of-14-young-chinese-probable-scjd-patients
#16
Qi Shi, Kang Xiao, Cao Chen, Wei Zhou, Chen Gao, Jing Wang, Bao-Yun Zhang, Yuan Wang, Xiao-Ping Dong
Sporadic Creutzfeldt-Jakob disease (sCJD) occurs frequently in the relatively older population, mainly in the groups of 60-69 and 70-79 year-old. Since 2006 when China performed national CJD surveillance, 14 young probable sCJD patients below 40 year-old were identified, counting for 1.93% of all probable sCJD cases. The clinical features of young probable sCJD cases, including the onset feature, the presence of sCJD-associated signs and the clinical duration, are indistinguishable from those of older patients...
March 4, 2017: Prion
https://www.readbyqxmd.com/read/28258683/-patient-with-creutzfeld-jakob-disease-a-case-report
#17
Żanna Pastuszak, Kazimierz Tomczykiewicz, Adam Stępień, Renata Piusińska-Macoch, Joanna Klimczuk, Agnieszka Rolewska, Dariusz Galbarczyk
Creutzfeldt-Jakob disease (CJD) is a rare syndrome of central nervous system caused by infectious protein called prion. There are four types of CJD: sporadic (sCJD), familial (fCJD), jatrogenic (jCJD) and variant (vCJD). The most frequent symptoms are rapidly progressing dementia, mioclonias, akinetic mutism and signs of cerebellum dysfunction. In sCJD, MRI often shows high signal intensity in the putamen and caudate nucleus on T2-weighted images while in vCJD pulvinar sign is often observed. 70% patients with CJD often has characteristic generalized periodic sharp wave pattern in electroencephalography...
February 20, 2017: Polski Merkuriusz Lekarski: Organ Polskiego Towarzystwa Lekarskiego
https://www.readbyqxmd.com/read/28248914/creutzfeldt-jakob-disease-presenting-as-stroke-a-case-report-and-systematic-literature-review
#18
REVIEW
Divya K Sharma, Mike Boggild, Annemarie W van Heuven, Richard P White
BACKGROUND: Creutzfeldt-Jacob disease (CJD) is a human prion disease generally characterized by subacute changes in behavior and intellectual function, often followed by ataxia, vision changes, and myoclonus. Ten percent of cases may present atypically, both symptomatically and in respect to initial investigations. METHODS: We report a case of CJD mimicking acute stroke and review all similar cases in the magnetic resonance imaging era reported in English, identified through a PubMed and SCOPUS search...
March 2017: Neurologist
https://www.readbyqxmd.com/read/28244340/lack-of-germline-mutation-at-codon-211-of-the-prion-protein-gene-prnp-in-korean-native-cattle-short-communication
#19
Yong-Chan Kim, Byung-Hoon Jeong
Bovine prion diseases are composed of two types of bovine spongiform encephalopathy (BSE), classical BSE and atypical BSE. Recent studies have identified one case of atypical BSE with an E211K mutation. E211K is homologous to the human E200K mutation, which is related to familial Creutzfeldt-Jakob disease (CJD), one of the familial forms of human prion diseases. To date, familial forms of prion diseases have not been reported in non-human animals. Because the familial forms of human prion diseases account for more than 10% of all human prion disease cases, the detection of the E211K mutation in healthy cattle is very important for verifying the role of this mutation as a familial form of BSE...
March 2017: Acta Veterinaria Hungarica
https://www.readbyqxmd.com/read/28236445/the-heidenhain-variant-of-creutzfeldt-jakob-disease-and-concomitant-tau-pathology-a-case-report
#20
Edvard Ehler, Michael Pipka, Alena Meleková, Petra Mandysová, Silvie Johanidesová, Radoslav Matěj, Robert Rusina
The Heidenhain form of Creutzfeldt-Jakob disease (CJD) is a rare CJD variant with predominantly visual symptoms in the early stages. Clinical manifestations of metamorphopsia, hemianopia and Balint's syndrome correlate with the involvement of the posterior cortical regions. A 71-year old healthy and very active man was admitted because of impaired visual acuity, hemianopia, and gait disturbance progressing over one week. MRI found typical cortical hyperintensities in the occipital regions while rhythm slowing and sharp waves were seen in the occipital regions on EEG...
February 10, 2017: Neurologia i Neurochirurgia Polska
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