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Making Big Data Useful for Health Care: A Summary of the Inaugural MIT Critical Data Conference
With growing concerns that big data will only augment the problem of unreliable research, the Laboratory of Computational Physiology at the Massachusetts Institute of Technology organized the Critical Data Conference in January 2014. Thought leaders from academia, government, and industry across disciplines--including clinical medicine, computer science, public health, informatics, biomedical research, health technology, statistics, and epidemiology--gathered and discussed the pitfalls and challenges of big data in health care. The key message from the conference is that the value of large amounts of data hinges on the ability of researchers to share data, methodologies, and findings in an open setting. If empirical value is to be from the analysis of retrospective data, groups must continuously work together on similar problems to create more effective peer review. This will lead to improvement in methodology and quality, with each iteration of analysis resulting in more reliability.
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Association of Variants in the SPTLC1 Gene with Juvenile Amyotrophic Lateral Sclerosis
In: Johnson , J O , Chia , R , Miller , D E , Li , R , Kumaran , R , Abramzon , Y , Alahmady , N , Renton , A E , Topp , S D , Gibbs , J R , Cookson , M R , Sabir , M S , Dalgard , C L , Troakes , C , Jones , A R , Shatunov , A , Iacoangeli , A , Al Khleifat , A , Ticozzi , N , Silani , V , Gellera , C , Blair , I P , Dobson-Stone , C , Kwok , J B , Bonkowski , E S , Palvadeau , R , Tienari , P J , Morrison , K E , Shaw , P J , Al-Chalabi , A , Brown , R H , Calvo , A , Mora , G , Al-Saif , H , Gotkine , M , Leigh , F , Chang , I J , Perlman , S J , Glass , I , Scott , A I , Shaw , C E , Basak , A N , Landers , J E , Chiò , A , Crawford , T O , Smith , B N , Traynor , B J , Smith , B N , Ticozzi , N , Fallini , C , Gkazi , A S , Topp , S D , Scotter , E L , Kenna , K P , Keagle , P , Tiloca , C , Vance , C , Troakes , C , Colombrita , C , King , A , Pensato , V , Castellotti , B , Baas , F , Ten Asbroek , A L M A , McKenna-Yasek , D , McLaughlin , R L , Polak , M , Asress , S , Esteban-Pérez , J , Stevic , Z , D'Alfonso , S , Mazzini , L , Comi , G P , Del Bo , R , Ceroni , M , Gagliardi , S , Querin , G , Bertolin , C , Van Rheenen , W , Rademakers , R , Van Blitterswijk , M , Lauria , G , Duga , S , Corti , S , Cereda , C , Corrado , L , Sorarù , G , Williams , K L , Nicholson , G A , Blair , I P , Leblond-Manry , C , Rouleau , G A , Hardiman , O , Morrison , K E , Veldink , J H , Van Den Berg , L H , Al-Chalabi , A , Pall , H , Shaw , P J , Turner , M R , Talbot , K , Taroni , F , García-Redondo , A , Wu , Z , Glass , J D , Gellera , C , Ratti , A , Brown , R H , Silani , V , Shaw , C E , Landers , J E , Dalgard , C L , Adeleye , A , Soltis , A R , Alba , C , Viollet , C , Bacikova , D , Hupalo , D N , Sukumar , G , Pollard , H B , Wilkerson , M D , Martinez , E M G , Abramzon , Y , Ahmed , S , Arepalli , S , Baloh , R H , Bowser , R , Brady , C B , Brice , A , Broach , J , Campbell , R H , Camu , W , Chia , R , Cooper-Knock , J , Ding , J , Drepper , C , Drory , V E , Dunckley , T L , Eicher , J D , England , B K , Faghri , F , Feldman , E , Floeter , M K , Fratta , P , Geiger , J T , Gerhard , G , Gibbs , J R , Gibson , S B , Glass , J D , Hardy , J , Harms , M B , Heiman-Patterson , T D , Hernandez , D G , Jansson , L , Kirby , J , Kowall , N W , Laaksovirta , H , Landeck , N , Landi , F , Le Ber , I , Lumbroso , S , Macgowan , D J L , Maragakis , N J , Mora , G , Mouzat , K , Murphy , N A , Myllykangas , L , Nalls , M A , Orrell , R W , Ostrow , L W , Pamphlett , R , Pickering-Brown , S , Pioro , E P , Pletnikova , O , Pliner , H A , Pulst , S M , Ravits , J M , Renton , A E , Rivera , A , Robberecht , W , Rogaeva , E , Rollinson , S , Rothstein , J D , Scholz , S W , Sendtner , M , Shaw , P J , Sidle , K C , Simmons , Z , Singleton , A B , Smith , N , Stone , D J , Tienari , P J , Troncoso , J C , Valori , M , Van Damme , P , Van Deerlin , V M , Van Den Bosch , L , Zinman , L , Landers , J E , Chiò , A , Traynor , B J , Angelocola , S M , Ausiello , F P , Barberis , M , Bartolomei , I , Battistini , S , Bersano , E , Bisogni , G , Borghero , G , Brunetti , M , Cabona , C , Calvo , A , Canale , F , Canosa , A , Cantisani , T A , Capasso , M , Caponnetto , C , Cardinali , P , Carrera , P , Casale , F , Chiò , A , Colletti , T , Conforti , F L , Conte , A , Conti , E , Corbo , M , Cuccu , S , Dalla Bella , E , D'Errico , E , Demarco , G , Dubbioso , R , Ferrarese , C , Ferraro , P M , Filippi , M , Fini , N , Floris , G , Fuda , G , Gallone , S , Gianferrari , G , Giannini , F , Grassano , M , Greco , L , Iazzolino , B , Introna , A , La Bella , V , Lattante , S , Lauria , G , Liguori , R , Logroscino , G , Logullo , F O , Lunetta , C , Mandich , P , Mandrioli , J , Manera , U , Manganelli , F , Marangi , G , Marinou , K , Marrosu , M G , Martinelli , I , Messina , S , Moglia , C , Mora , G , Mosca , L , Murru , M R , Origone , P , Passaniti , C , Petrelli , C , Petrucci , A , Pozzi , S , Pugliatti , M , Quattrini , A , Ricci , C , Riolo , G , Riva , N , Russo , M , Sabatelli , M , Salamone , P , Salivetto , M , Salvi , F , Santarelli , M , Sbaiz , L , Sideri , R , Simone , I , Simonini , C , Spataro , R , Tanel , R , Tedeschi , G , Ticca , A , Torriello , A , Tranquilli , S , Tremolizzo , L , Trojsi , F , Vasta , R , Vacchiano , V , Vita , G , Volanti , P , Zollino , M & Zucchi , E 2021 , ' Association of Variants in the SPTLC1 Gene with Juvenile Amyotrophic Lateral Sclerosis ' , JAMA neurology . https://doi.org/10.1001/jamaneurol.2021.2598
Importance: Juvenile amyotrophic lateral sclerosis (ALS) is a rare form of ALS characterized by age of symptom onset less than 25 years and a variable presentation. Objective: To identify the genetic variants associated with juvenile ALS. Design, Setting, and Participants: In this multicenter family-based genetic study, trio whole-exome sequencing was performed to identify the disease-associated gene in a case series of unrelated patients diagnosed with juvenile ALS and severe growth retardation. The patients and their family members were enrolled at academic hospitals and a government research facility between March 1, 2016, and March 13, 2020, and were observed until October 1, 2020. Whole-exome sequencing was also performed in a series of patients with juvenile ALS. A total of 66 patients with juvenile ALS and 6258 adult patients with ALS participated in the study. Patients were selected for the study based on their diagnosis, and all eligible participants were enrolled in the study. None of the participants had a family history of neurological disorders, suggesting de novo variants as the underlying genetic mechanism. Main Outcomes and Measures: De novo variants present only in the index case and not in unaffected family members. Results: Trio whole-exome sequencing was performed in 3 patients diagnosed with juvenile ALS and their parents. An additional 63 patients with juvenile ALS and 6258 adult patients with ALS were subsequently screened for variants in the SPTLC1 gene. De novo variants in SPTLC1 (p.Ala20Ser in 2 patients and p.Ser331Tyr in 1 patient) were identified in 3 unrelated patients diagnosed with juvenile ALS and failure to thrive. A fourth variant (p.Leu39del) was identified in a patient with juvenile ALS where parental DNA was unavailable. Variants in this gene have been previously shown to be associated with autosomal-dominant hereditary sensory autonomic neuropathy, type 1A, by disrupting an essential enzyme complex in the sphingolipid synthesis pathway. Conclusions and Relevance: These data broaden the phenotype associated with SPTLC1 and suggest that patients presenting with juvenile ALS should be screened for variants in this gene.
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