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40 results on '"Farlow, M.R."'

1. Adjudicating Mild Cognitive Impairment Due to Alzheimer’s Disease as a Novel Endpoint Event in the TOMMORROW Prevention Clinical Trial

Author

Schneider, L.S., primary, Bennett, D.A., additional, Farlow, M.R., additional, Peskind, E.R., additional, Raskind, M.A., additional, Sano, M., additional, Stern, Y., additional, Haneline, S., additional, Welsh-Bohmer, K.A., additional, O’Neil, J., additional, Walter, R., additional, Maresca, S., additional, Culp, M., additional, Alexander, R., additional, Saunders, A.M., additional, Burns, D.K., additional, and Chiang, C., additional

Published
2022
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3. A blood-based signature of cerebrospinal fluid A beta(1-42) status

Author

Goudey, B., Fung, B.J., Schieber, C., Faux, N.G., Weiner, M.W., Aisen, P., Petersen, R., Jack, C.R., Jagust, W., Trojanowki, J.Q., Toga, A.W., Beckett, L., Green, R.C., Saykin, A.J., Morris, J., Shaw, L.M., Kaye, J., Quinn, J., Silbert, L., Lind, B., Carter, R., Dolen, S., Schneider, L.S., Pawluczyk, S., Beccera, M., Teodoro, L., Spann, B.M., Brewer, J., Vanderswag, H., Fleisher, A., Heidebrink, J.L., Lord, J.L., Mason, S.S., Albers, C.S., Knopman, D., Johnson, K., Doody, R.S., Villanueva-Meyer, J., Chowdhury, M., Rountree, S., Dang, M., Stern, Y., Honig, L.S., Bell, K.L., Ances, B., Morris, J.C., Carroll, M., Creech, M.L., Franklin, E., Mintun, M.A., Schneider, S., Oliver, A., Marson, D., Griffth, R., Clark, D., Geldmacher, D., Brockington, J., Roberson, E., Natelson Love, M., Grossman, H., Mitsis, E., Shah, R.C., deToledo-Morrell, L., Duara, R., Varon, D., Greig, M.T., Roberts, P., Albert, M., Onyike, C., D'Agostino, D., Kielb, S., Galvin, J.E., Cerbone, B., Michel, C.A., Pogorelec, D.M., Rusinek, H., Leon, M.J. de, Glodzik, L., De Santi, S., Doraiswamy, P.M., Petrella, J.R., Borges-Neto, S., Wong, T.Z., Coleman, E., Smith, C.D., Jicha, G., Hardy, P., Sinha, P., Oates, E., Conrad, G., Porsteinsson, A.P., Goldstein, B.S., Martin, K., Makino, K.M., Ismail, M.S., Brand, C., Mulnard, R.A., Thai, G., McAdams-Ortiz, C., Womack, K., Mathews, D., Quiceno, M., Levey, A.I., Lah, J.J., Cellar, J.S., Burns, J.M., Swerdlow, R.H., Brooks, W.M., Apostolova, L., Tingus, K., Woo, E., Silverman, D.H.S., Lu, P.H., Bartzokis, G., Graff-Radford, N.R., Parftt, F., Kendall, T., Johnson, H., Farlow, M.R., Hake, A.M., Matthews, B.R., Brosch, J.R., Herring, S., Hunt, C., Dyck, .H. van, Carson, R.E., MacAvoy, M.G., Varma, P., Chertkow, H., Bergman, H., Hosein, C., Black, S., Stefanovic, B., Caldwell, C., Hsiung, Ging-Yuek Robin, Feldman, H., Mudge, B., Assaly, M., Finger, E., Pasternack, S., Rachisky, I., Trost, D., Kertesz, A., Bernick, C., Munic, D., Mesulam, M.-M., Lipowski, K., Weintraub, S., Bonakdarpour, B., Kerwin, D., Wu, C.-K., Johnson, N., Sadowsky, C., Villena, T., Turner, R.S., Reynolds, B., Sperling, R.A., Johnson, K.A., Marshall, G., Yesavage, J., Taylor, J.L., Lane, B., Rosen, A., Tinklenberg, J., Sabbagh, M.N., Belden, C.M., Jacobson, S.A., Sirrel, S.A., Kowall, N., Killiany, R., Budson, A.E., Norbash, A., Johnson, P.L., Obisesan, T.O., Wolday, S., Allard, J., Lerner, A., Ogrocki, P., Tatsuoka, C., Fatica, P., Fletcher, E., Maillard, P., Olichney, J., DeCarli, C., Carmichael, O., Kittur, S., Borrie, M., Lee, T.-Y., Bartha, R., Johnson, S., Asthana, S., Carlsson, C.M., Potkin, S.G., Preda, A., Nguyen, D., Tariot, P., Burke, A., Trncic, N., Reeder, S., Bates, V., Capote, H., Rainka, M., Scharre, D.W., Kataki, M., Adeli, A., Zimmerman, E.A., Celmins, D., Brown, A.D., Pearlson, G.D., Blank, K., Anderson, K., Flashman, L.A., Seltzer, M., Hynes, M.L., Santulli, R.B., Sink, K.M., Gordineer, L., Williamson, J.D., Garg, P., Watkins, F., Ott, B.R., Querfurth, H., Tremont, G., Salloway, S., Malloy, P., Correia, S., Rosen, H.J., Miller, B.L., Perry, D., Mintzer, J., Spicer, K., Bachman, D., Pomara, N., Hernando, R., Sarrael, A., Relkin, N., Chaing, G., Lin, M., Ravdin, L., Smith, A., Raj, B.A., Fargher, K., Saykin, A., Nho, K., Kling, M., Toledo, J., Shaw, L., Trojanowski, J., Farrer, L., Kastsenmueller, G., Arnold, M., Wishart, D., Wurtz, P., Bhattcharyya, S., Duijin, C. van, Mangravite, L., Han, X., Hankemeier, T., Fiehn, O., Barupal, D., Thiele, I., Heinken, A., Meikle, P., Price, N., Funk, C., Jia, W., Kueider-Paisley, A., Tenebaum, J., Black, C., Moseley, A., Thompson, W., Mahmoudiandehkorki, S., Baillie, R., Welsh-Bohmer, K., Plassman, B., and Epidemiology

Subjects
Male, 0301 basic medicine, Apolipoprotein E, Oncology, medicine.medical_specialty, Amyloid, Amyloid beta, lcsh:Medicine, Article, 03 medical and health sciences, Apolipoproteins E, 0302 clinical medicine, Cerebrospinal fluid, Alzheimer Disease, Predictive Value of Tests, Internal medicine, medicine, Humans, Dementia, Cognitive decline, lcsh:Science, Aged, Aged, 80 and over, Amyloid beta-Peptides, Multidisciplinary, biology, Chemokine CCL26, business.industry, lcsh:R, Alzheimer’s Disease Metabolomics Consortium, Alzheimer’s Disease Neuroimaging Initiative, medicine.disease, Peptide Fragments, 3. Good health, 030104 developmental biology, biology.protein, Chromogranin A, Female, lcsh:Q, Alzheimer's disease, business, Biomarkers, 030217 neurology & neurosurgery, Alzheimer's Disease Neuroimaging Initiative
Abstract

It is increasingly recognized that Alzheimer’s disease (AD) exists before dementia is present and that shifts in amyloid beta occur long before clinical symptoms can be detected. Early detection of these molecular changes is a key aspect for the success of interventions aimed at slowing down rates of cognitive decline. Recent evidence indicates that of the two established methods for measuring amyloid, a decrease in cerebrospinal fluid (CSF) amyloid β1−42 (Aβ1−42) may be an earlier indicator of Alzheimer’s disease risk than measures of amyloid obtained from Positron Emission Tomography (PET). However, CSF collection is highly invasive and expensive. In contrast, blood collection is routinely performed, minimally invasive and cheap. In this work, we develop a blood-based signature that can provide a cheap and minimally invasive estimation of an individual’s CSF amyloid status using a machine learning approach. We show that a Random Forest model derived from plasma analytes can accurately predict subjects as having abnormal (low) CSF Aβ1−42 levels indicative of AD risk (0.84 AUC, 0.78 sensitivity, and 0.73 specificity). Refinement of the modeling indicates that only APOEε4 carrier status and four plasma analytes (CGA, Aβ1−42, Eotaxin 3, APOE) are required to achieve a high level of accuracy. Furthermore, we show across an independent validation cohort that individuals with predicted abnormal CSF Aβ1−42 levels transitioned to an AD diagnosis over 120 months significantly faster than those with predicted normal CSF Aβ1−42 levels and that the resulting model also validates reasonably across PET Aβ1−42 status (0.78 AUC). This is the first study to show that a machine learning approach, using plasma protein levels, age and APOEε4 carrier status, is able to predict CSF Aβ1−42 status, the earliest risk indicator for AD, with high accuracy.

Published
2019

4. Genetically elevated high-density lipoprotein cholesterol through the cholesteryl ester transfer protein gene does not associate with risk of Alzheimer's disease

Author

Sims, R., van der Lee, S.J., Naj, A.C., Bellenguez, C., Badarinarayan, N., Jakobsdottir, J., Kunkle, B.W., Boland, A., Raybould, R., Bis, J.C., Martin, E.R., Grenier-Boley, B., Heilmann-Heimbach, S., Chouraki, V., Kuzma, A.B., Sleegers, K., Vronskaya, M., Ruiz, A., Graham, R.R., Olaso, R., Hoffmann, P., Grove, M.L., Vardarajan, B.N., Hiltunen, M., Nöthen, M.M., White, C.C., Hamilton-Nelson, K.L., Epelbaum, J., Maier, W., Choi, S.H., Beecham, G.W., Dulary, C., Herms, S., Smith, A.V., Funk, C.C., Derbois, Forstner, A.J., Ahmad, S., Li, H., Bacq, D., Harold, D., Satizabal, C.L., Valladares, O., Squassina, A., Thomas, R., Brody, J.A., Qu, L., Sánchez-Juan, P., Morgan, T., Wolters, F.J., Zhao, Y., Garcia, F.S., Denning, N., Fornage, M., Malamon, J., Naranjo, M.C.D., Majounie, E., Mosley, T.H., Dombroski, B., Wallon, D., Lupton, M.K., Dupuis, J., Whitehead, P., Fratiglioni, L., Medway, C., Jian, X., Mukherjee, S., Keller, L., Brown, K., Lin, H., Cantwell, L.B., Panza, F., McGuinness, B., Moreno-Grau, S., Burgess, J.D., Solfrizzi, V., Proitsi, P., Adams, H.H., Allen, M., Seripa, D., Pastor, P., Cupples, L.A., Price, N.D., Hannequin, D., Frank-García, A., Levy, D., Chakrabarty, P., Caffarra, P., Giegling, I., Beiser, A.S., Giedraitis, V., Hampel, H., Garcia, M.E., Wang, X., Lannfelt, L., Mecocci, P., Eiriksdottir, G., Crane, P.K., Pasquier, F., Boccardi, V., Henández, I., Barber, R.C., Scherer, M., Tarraga, L., Adams, P.M., Leber, M., Chen, Y., Albert, M.S., Riedel-Heller, S., Emilsson, V., Beekly, D., Braae, A., Schmidt, R., Blacker, D., Masullo, C., Schmidt, H., Doody, R.S., Spalletta, G., Longstreth, W.T., Jr., Fairchild, T.J., Bossù, P., Lopez, O.L., Frosch, M.P., Sacchinelli, E., Ghetti, B., Yang, Q., Huebinger, R.M., Jessen, F., Li, S., Kamboh, M.I., Morris, J., Sotolongo-Grau, O., Katz, M.J., Corcoran, C., Dunstan, M., Braddel, A., Thomas, C., Meggy, A., Marshall, R., Gerrish, A., Chapman, J., Aguilar, M., Taylor, S., Hill, M., Fairén, M.D., Hodges, A., Vellas, B., Soininen, H., Kloszewska, I., Daniilidou, M., Uphill, J., Patel, Y., Hughes, J.T., Lord, J., Turton, J., Hartmann, A.M., Cecchetti, R., Fenoglio, C., Serpente, M., Arcaro, M., Caltagirone, C., Orfei, M.D., Ciaramella, A., Pichler, S., Mayhaus, M., Gu, W., Lleó, A., Fortea, J., Blesa, R., Barber, I.S., Brookes, K., Cupidi, C., Maletta, R.G., Carrell, D., Sorbi, S., Moebus, S., Urbano, M., Pilotto, A., Kornhuber, J., Bosco, P., Todd, S., Craig, D., Johnston, J., Gill, M., Lawlor, B., Lynch, A., Fox, N.C., Hardy, J., Albin, R.L., Apostolova, L.G., Arnold, S.E., Asthana, S., Atwood, C.S., Baldwin, C.T., Barnes, L.L., Barral, S., Beach, T.G., Becker, J.T., Bigio, E.H., Bird, T.D., Boeve, B.F., Bowen, J.D., Boxer, A., Burke, J.R., Burns, J.M., Buxbaum, J.D., Cairns, N.J., Cao, C., Carlson, C.S., Carlsson, C.M., Carney, R.M., Carrasquillo, M.M., Carroll, S.L., Diaz, C.C., Chui, H.C., Clark, D.G., Cribbs, D.H., Crocco, E.A., DeCarli, C., Dick, M., Duara, R., Evans, D.A., Faber, K.M., Fallon, K.B., Fardo, D.W., Farlow, M.R., Ferris, S., Foroud, T.M., Galasko, D.R., Gearing, M., Geschwind, D.H., Gilbert, J.R., Graff-Radford, N.R., Green, R.C., Growdon, J.H., Hamilton, R.L., Harrell, L.E., Honig, L.S., Huentelman, M.J., Hulette, C.M., Hyman, B.T., Jarvik, G.P., Abner, E., Jin, L.W., Jun, G., Karydas, A., Kaye, J.A., Kim, R., Kowall, N.W., Kramer, J.H., LaFerla, F.M., Lah, J.J., Leverenz, J.B., Levey, A.I., Li, G., Lieberman, A.P., Lunetta, K.L., Lyketsos, C.G., Marson, D.C., Martiniuk, F., Mash, D.C., Masliah, E., McCormick, W.C., McCurry, S.M., McDavid, A.N., McKee, A.C., Mesulam, M., Miller, B.L., Miller, C.A., Miller, J.W., Morris, J.C., Murrell, J.R., Myers, A.J., O'Bryant, S., Olichney, J.M., Pankratz, V.S., Parisi, J.E., Paulson, H.L., Perry, W., Peskind, E., Pierce, A., Poon, W.W., Potter, H., Quinn, J.F., Raj, A., Raskind, M., Reisberg, B., Reitz, C., Ringman, J.M., Roberson, E.D., Rogaeva, E., Rosen, H.J., Rosenberg, R.N., Sager, M.A., Saykin, A.J., Schneider, J.A., Schneider, L.S., Seeley, W.W., Smith, A.G., Sonnen, J.A., Spina, S., Stern, R.A., Swerdlow, R.H., Tanzi, R.E., Thornton-Wells, T.A., Trojanowski, J.Q., Troncoso, J.C., Van Deerlin, V.M., Van Eldik, L.J., Vinters, H.V., Vonsattel, J.P., Weintraub, S., Welsh-Bohmer, K.A., Wilhelmsen, K.C., Williamson, J., Wingo, T.S., Woltjer, R.L., Wright, C.B., Yu, C.E., Yu, L., Garzia, F., Golamaully, F., Septier, G., Engelborghs, S., Vandenberghe, R., De Deyn, P.P., Fernadez, C.M., Benito, Y.A., Thonberg, H., Forsell, C., Lilius, L., Kinhult-Stählbom, A., Kilander, L., Brundin, R., Concari, L., Helisalmi, S., Koivisto, A.M., Haapasalo, A., Dermecourt, V., Fievet, N., Hanon, O., Dufouil, C., Brice, A., Ritchie, K., Dubois, B., Himali, J.J., Keene, C.D., Tschanz, J., Fitzpatrick, A.L., Kukull, W.A., Norton, M., Aspelund, T., Larson, E.B., Munger, R., Rotter, J.I., Lipton, R.B., Bullido, M.J., Hofman, A., Montine, T.J., Coto, E., Boerwinkle, E., Petersen, R.C., Alvarez, V., Rivadeneira, F., Reiman, E.M., Gallo, M., O'Donnell, C.J., Reisch, J.S., Bruni, A.C., Royall, D.R., Dichgans, M., Sano, M., Galimberti, D., St George-Hyslop, P., Scarpini, E., Tsuang, D.W., Mancuso, M., Bonuccelli, U., Winslow, A.R., Daniele, A., Wu, C.K., Peters, O., Nacmias, B., Riemenschneider, M., Heun, R., Brayne, C., Rubinsztein, D.C., Bras, J., Guerreiro, R., Al-Chalabi, A., Shaw, C.E., Collinge, J., Mann, D., Tsolaki, M., Clarimón, J., Sussams, R., Lovestone, S., O'Donovan, M.C., Owen, M.J., Behrens, T.W., Mead, S., Goate, A.M., Uitterlinden, A.G., Holmes, C., Cruchaga, C., Ingelsson, M., Bennett, D.A., Powell, J., Golde, T.E., Graff, C., De Jager, P.L., Morgan, K., Ertekin-Taner, N., Combarros, O., Psaty, B.M., Passmore, P., Younkin, S.G., Berr, C., Gudnason, V., Rujescu, D., Dickson, D.W., Dartigues, J.F., DeStefano, A.L., Ortega-Cubero, S., Hakonarson, H., Campion, D., Boada, M., Kauwe, J.K., Farrer, L.A., Van Broeckhoven, C., Ikram, M.A., Jones, L., Haines, J.L., Tzourio, C., Launer, L.J., Escott-Price, V., Mayeux, R., Deleuze, J.F., Amin, N., Holmans, P.A., Pericak-Vance, M.A., Amouyel, P., van Duijn, C.M., Ramirez, A., Wang, L.S., Lambert, J.C., Seshadri, S., Williams, J., Schellenberg, G.D., Peloso, Gina M., van der Lee, Sven J., Destefano, Anita L., and Seshardi, Sudha

Published
2018
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6. Genetically elevated high-density lipoprotein cholesterol through the cholesteryl ester transfer protein gene does not associate with risk of Alzheimer's disease

Author

Peloso, G.M. (Gina M.), Lee, S.J. (Sven) van der, Sims, R. (Rebecca), van der Lee, S.J. (S. J.), Naj, A.C. (A. C.), Bellenguez, C. (Céline), Badarinarayan, N. (Nandini), Jakobsdottir, M. (Margret), Kunkle, B.W. (B. W.), Boland, A. (A.), Raybould, R. (R.), Bis, J.C. (Joshua), Martin, E.R. (E. R.), Grenier-Boley, B. (Benjamin), Heilmann-Heimbach, S. (S.), Chouraki, V. (V.), Kuzma, A.B. (A. B.), Sleegers, K. (K.), Vronskaya, M., Ruiz, A. (A.), Graham, R.R. (Robert), Olaso, R. (Robert), Hoffmann, P. (Per), Grove, M.L. (Megan), Vardarajan, B.N. (Badri), Hiltunen, M. (Mikko), Nöthen, M.M. (Markus), White, C.C. (Charles), Hamilton-Nelson, K.L. (K. L.), Epelbaum, J. (Jacques), Maier, W. (Wolfgang), Choi, S.H. (S. H.), Beecham, G.W., Dulary, C. (C.), Herms, S. (Stefan), Smith, A.V. (Albert), Funk, C.C. (C. C.), Derbois, (), Forstner, A.J. (Andreas), Ahmad, S. (S.), Li, H. (Huaixing), Bacq, D. (D.), Harold, D. (D.), Satizabal, C.L. (Claudia), Valladares, O. (Otto), Squassini, A. (Alessio), Thomas, R. (R.), Brody, J.A. (Jennifer A.), Qu, L. (Liming), Sanchez-Juan, P. (Pascual), Morgan, T. (Thomas), Wolters, F.J. (Frank), Zhao, Y. (Y.), Garcia, F.S. (F. S.), Denning, N. (Nicola), Fornage, M. (Myriam), Malamon, J. (J.), Naranjo, M.C.D. (M. C.D.), Majounie, E. (Elisa), Mosley, T.H. (Thomas H.), Dombroski, B. (B.), Wallon, D. (David), Lupton, M.K. (Michelle), Dupuis, J. (Josée), Whitehead, P. (P.), Fratiglioni, L. (L.), Medway, C. (Christopher), Jian, X. (X.), Mukherjee, S. (S.), Keller, L. (L.), Brown, K. (Kristelle), Lin, H. (Honghuang), Cantwell, L.B. (Laura B.), Panza, F. (F.), McGuinness, B. (B.), Moreno-Grau, S. (S.), Burgess, J.D. (J. D.), Solfrizzi, V. (Vincenzo), Proitsi, P. (P.), Adams, H.H.H. (Hieab), Allen, M. (M.), Seripa, D. (Davide), Pastor, P. (P.), Cupples, L.A. (L. A.), Price, N.D. (N. D.), Hannequin, D. (Didier), Frank-Garcia, A. (Ana), Levy, D. (D.), Chakrabarty, P. (P.), Caffarra, P. (Paolo), Giegling, I. (Ina), Beiser, A. (Alexa), Giedraitis, V. (Vilmantas), Hampel, H. (Heather), Garcia, M.E. (M.), Wang, X. (X.), Lannfelt, L. (Lars), Mecocci, P. (Patrizia), Eiriksdottir, G. (Gudny), Crane, L.M.A., Pasquier, F. (Florence), Boccardi, V. (V.), Henández, I. (I.), Barber, R.C. (R. C.), Scherer, M. (M.), Tárraga, L. (L.), Adams, P.M. (P. M.), Leber, I. (Isabelle), Chen, Y.D.I. (Yii-Der Ida), Albert, M. (Michael), Riedel-Heller, S. (Steffi), Emilsson, V. (Valur), Beekly, D. (D.), Braae, A. (A.), Schmidt, R. (R.), Blacker, D. (D.), Masullo, C., Schmidt, H. (Helena), Doody, R.S. (R. S.), Spalletta, G. (Gianfranco), Longstreth Jr, W.T., Fairchild, T.J. (T. J.), Bossù, P. (P.), Lopez, O.L. (Oscar), Frosch, M.P. (Matthew), Sacchinelli, E. (E.), Ghetti, B. (Bernardino), Yang, Q. (Qiong Fang), Huebinger, R.M. (R. M.), Jessen, F., Li, S. (S.), Kamboh, M.I. (M. I.), Morris, J. (J.), Sotolongo-Grau, O. (O.), Katz, M.J. (M. J.), Corcoran, C. (C.), Dunstan, M.L., Braddel, A. (A.), Thomas, C. (C.), Meggy, A. (A.), Marshall, R. (R.), Gerrish, A. (Amy), Chapman, J. (Jade), Aguilar, M. (M.), Taylor, S. (S.), Hill, M. (M.), Fairén, M.D. (M. D.), Hodges, A. (A.), Vellas, B. (B.), Soininen, H. (H.), Kloszewska, I. (Iwona), Daniilidou, M. (M.), Uphill, J. (James), Patel, Y. (Y.), Hughes, J.T. (J. T.), Lord, J. (J.), Turton, J.C. (James), Hartmann, A.M. (A. M.), Cecchetti, R. (R.), Fenoglio, C. (Chiara), Serpente, M. (Maria), Arcaro, M. (M.), Caltagirone, C. (C.), Orfei, M.D. (M. D.), Ciaramella, A. (A.), Pichler, I. (Irene), Mayhaus, M. (Manuel), Gu, W. (W.), Lleo, A. (Alberto), Fortea, J. (J.), Blesa, R. (Rafael), Barber, I.S. (I. S.), Brookes, K. (K.), Cupidi, C. (Chiara), Maletta, R. (Raffaele), Carrell, D. (D.), Sorbi, S. (Sandro), Moebus, S. (Susanne), Urbano, M. (M.), Pilotto, A. (Alberto), Kornhuber, J. (Johannes), Bosco, P. (Paolo), Todd, S. (S.), Craig, D. (D.), Johnston, J. (J.), Gill, M. (M.), Lawlor, B.A. (B.), Lynch, A. (Aoibhinn), Fox, N.C. (Nick), Hardy, J. (J.), Albin, R.L. (R. L.), Apostolova, L.G. (L. G.), Arnold, S.E. (Steven), Asthana, S. (S.), Atwood, C.S. (Craig), Baldwin, C. (Clinton), Barnes, L.L. (L. L.), Barral, S. (Sandra), Beach, T.G. (Thomas), Becker, J.T. (James), Bigio, E.H. (Eileen), Bird, T.D. (T. D.), Boeve, B.F. (Bradley), Bowen, J.D. (J. D.), Boxer, A.L. (Adam), Burke, J.R. (J. R.), Burns, J.M. (J. M.), Buxbaum, J.D. (J. D.), Cairns, N.J. (N. J.), Cao, C. (C.), Carlson, C. (Chris), Carlsson, C.M. (C. M.), Carney, R.M. (R. M.), Carrasquillo, M.M. (M. M.), Carroll, S.L. (Steven), Diaz, C.C. (C. C.), Chui, H.C. (H. C.), Clark, D.G. (D. G.), Cribbs, D.H. (D. H.), Crocco, E.A. (E. A.), DeCarli, C. (Charles), Dick, M. (M.), Duara, R. (R.), Evans, D.A. (D. A.), Faber, K.M. (Kelley), Fallon, K.B. (K. B.), Fardo, D.W. (D. W.), Farlow, M.R. (M. R.), Ferris, S. (S.), Foroud, T.M. (T. M.), Galasko, D.R. (D. R.), Gearing, M. (Marla), Geschwind, H., Gilbert, J.R. (John R.), Graff-Radford, N.R. (Neill), Green, R.C. (Robert), Growdon, J.H. (J. 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(Reinhard), Brayne, C. (Carol), Rubinsztein, D.C. (David), Bras, J. (J.), Guerreiro, R. (R.), Al-Chalabi, A. (Ammar), Shaw, C.E. (C. E.), Collinge, J. (J.), Mann, D. (D.), Tsolaki, M. (Magda), Clarimón, J. (J.), Sussams, R. (R.), Lovestone, S. (Simon), O'donovan, M.C. (Michael), Owen, M.J. (Michael), Behrens, T.W. (Timothy), Mead, S. (S.), Goate, A.M. (Alison), Uitterlinden, A.G. (A. G.), Holmes, C. (C.), Cruchaga, C. (Carlos), Ingelsson, M. (Martin), Bennett, D.A. (David), Powell, J. (J.), Golde, T.E. (T. E.), Graff, C. (C.), De Jager, P., Morgan, K. (Kevin), Ertekin-Taner, N. (N.), Combarros, O. (Onofre), Psaty, B.M. (Bruce), Passmore, P. (P.), Younkin, S.G. (S. G.), Berr, C. (Claudine), Gudnason, V. (Vilmundur), Rujescu, D. (D.), Dickson, D. (Dennis), Dartigues, J.-F., DeStefano, A.L. (Anita), Ortega-Cubero, S. (S.), Hakonarson, H. (Hakon), Campion, D. (Dominique), Boada, M. (M.), Kauwe, J.K. (J. K.), Farrer, L.A. (Lindsay), Broeckhoven, C. 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Abstract

Introduction: There is conflicting evidence whether high-density lipoprotein cholesterol (HDL-C) is a risk factor for Alzheimer's disease (AD) and dementia. Genetic variation in the cholesteryl ester transfer protein (CETP) locus is associated with altered HDL-C. We aimed to assess AD risk by genetically predicted HDL-C. Methods: Ten single nucleotide polymorphisms within the CETP locus predicting HDL-C were applied to the International Genomics of Alzheimer's Project (IGAP) exome chip stage 1 results in up 16,097 late onset AD cases and 18,077 cognitively normal elderly controls. We performed instrumental variables analysis using inverse variance weighting, weighted median, and MR-Egger. Results: Based on 10 single nucleotide polymorphisms distinctly predicting HDL-C in the CETP locus, we found that HDL-C was not associated with risk of AD (P >.7). Discussion: Our study does not support the role of HDL-C on risk of AD through HDL-C altered b

Published
2018
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7. [Accepted Manuscript] Presymptomatic atrophy in autosomal dominant Alzheimer's disease: A serial MRI study

Author

Kinnunen, K.M., Cash, D.M., Poole, T., Frost, C., Benzinger, T.L.S., Ahsan, R.L., Leung, K.K., Cardoso, M.J., Modat, M., Malone, I.B., Morris, J.C., Bateman, R.J., Marcus, D.S., Goate, A., Salloway, S., Correia, S., Sperling, R.A., Chhatwal, J.P., Mayeux, R., Brickman, A.M., Martins, R.N., Farlow, M.R., Ghetti, B., Saykin, A.J., Jack, C.R. Jr, Schofield, P.R., McDade, E., Weiner, M.W., Ringman, J.M., Thompson, P.M., Masters, C.L., Rowe, C.C., Rossor, M.N., Ourselin, S., Fox, N.C., and Dominantly Inherited Alzheimer Network (DIAN), .

Subjects
sense organs, skin and connective tissue diseases
Abstract

Identifying at what point atrophy rates first change in Alzheimer's disease is important for informing design of presymptomatic trials. Serial T1-weighed magnetic resonance imaging scans of 94 participants (28 noncarriers, 66 carriers) from the Dominantly Inherited Alzheimer Network were used to measure brain, ventricular, and hippocampal atrophy rates. For each structure, nonlinear mixed-effects models estimated the change-points when atrophy rates deviate from normal and the rates of change before and after this point. Atrophy increased after the change-point, which occurred 1-1.5 years (assuming a single step change in atrophy rate) or 3-8 years (assuming gradual acceleration of atrophy) before expected symptom onset. At expected symptom onset, estimated atrophy rates were at least 3.6 times than those before the change-point. Atrophy rates are pathologically increased up to seven years before "expected onset". During this period, atrophy rates may be useful for inclusion and tracking of disease progression.

Published
2017

9. A novel Alzheimer disease locus located near the gene encoding tau protein

Author

Jun, G., Ibrahim-Verbaas, C.A., Vronskaya, M., Lambert, J.-., Chung, J., Naj, A.C., Kunkle, B.W., Wang, L.-., Bis, J.C., Bellenguez, C., Harold, D., Lunetta, K.L., Destefano, A.L., Grenier-Boley, B., Sims, R., Beecham, G.W., Smith, A.V., Chouraki, V., Hamilton-Nelson, K.L., Ikram, M.A., Fievet, N., Denning, N., Martin, E.R., Schmidt, H., Kamatani, Y., Dunstan, M.L., Valladares, O., Laza, A.R., Zelenika, D., Ramirez, A., Foroud, T.M., Choi, S.-., Boland, A., Becker, T., Kukull, W.A., Van Der Lee, S.J., Pasquier, F., Cruchaga, C., Beekly, D., Fitzpatrick, A.L., Hanon, O., Gill, M., Barber, R., Gudnason, V., Campion, D., Love, S., Bennett, D.A., Amin, N., Berr, C., Tsolaki, M., Buxbaum, J.D., Lopez, O.L., Deramecourt, V., Fox, N.C., Cantwell, L.B., Tárraga, L., Dufouil, C., Hardy, J., Crane, P.K., Eiriksdottir, G., Hannequin, D., Clarke, R., Evans, D., Mosley, T.H., Letenneur, L., Brayne, C., Maier, W., De Jager, P., Emilsson, V., Dartigues, J.-., Hampel, H., Kamboh, M.I., De Bruijn, R.F.A.G., Tzourio, C., Pastor, P., Larson, E.B., Rotter, J.I., O'Donovan, M.C., Montine, T.J., Nalls, M.A., Mead, S., Reiman, E.M., Jonsson, P.V., Holmes, C., St George-Hyslop, P.H., Boada, M., Passmore, P., Wendland, J.R., Schmidt, R., Morgan, K., Winslow, A.R., Powell, J.F., Carasquillo, M., Younkin, S.G., Jakobsdóttir, J., Kauwe, J.S.K., Wilhelmsen, K.C., Rujescu, D., Nöthen, M.M., Hofman, A., Jones, L., Haines, J.L., Psaty, B.M., Van Broeckhoven, C., Holmans, P., Launer, L.J., Mayeux, R., Lathrop, M., Goate, A.M., Escott-Price, V., Seshadri, S., Pericak-Vance, M.A., Amouyel, P., Williams, J., Van Duijn, C.M., Schellenberg, G.D., Farrer, L.A., Adams, P.M., Albert, M.S., Albin, R.L., Apostolova, L.G., Arnold, S.E., Asthana, S., Atwood, C.S., Baldwin, C.T., Barmada, M.M., Barnes, L.L., Beach, T.G., Becker, J.T., Bigio, E.H., Bird, T.D., Blacker, D., Boeve, B.F., Bowen, J.D., Boxer, A., Burke, J.R., Cairns, N.J., Cao, C., Carlson, C.S., Carlsson, C.M., Carney, R.M., Carrasquillo, M.M., Carroll, S.L., Chui, H.C., Clark, D.G., Corneveaux, J., Cribbs, D.H., Crocco, E.A., De Jager, P.L., Decarli, C., Dekosky, S.T., Yesim Demirci, F., Dick, M., Dickson, D.W., Doody, R.S., Duara, R., Ertekin-Taner, N., Faber, K.M., Fairchild, T.J., Fallon, K.B., Farlow, M.R., Ferris, S., Frosch, M.P., Galasko, D.R., Gearing, M., Geschwind, D.H., Ghetti, B., Gilbert, J.R., Glass, J.D., Graff-Radford, N.R., Green, R.C., Growdon, J.H., Hakonarson, H., Hamilton, R.L., Harrell, L.E., Head, E., Honig, L.S., Huebinger, R.M., Huentelman, M.J., Hulette, C.M., Hyman, B.T., Jarvik, G.P., Jicha, G.A., Jin, L., Karydas, A., Kaye, J.A., Kim, R., Koo, E.H., Kowall, N.W., Kramer, J.H., Laferla, F.M., Lah, J.J., Leverenz, J.B., Levey, A.I., Ge, L., Lieberman, A.P., Lin, C., Lyketsos, C.G., Mack, W.J., Marson, D.C., Martiniuk, F., Mash, D.C., Masliah, E., Mccormick, W.C., Mccurry, S.M., Mcdavid, A.N., Mckee, A.C., Mesulam, M., Miller, B.L., Miller, C.A., Miller, J.W., Morris, J.C., Mukherjee, S., Murrell, J.R., Myers, A.J., O'Bryant, S., Olichney, J.M., Pankratz, V.S., Parisi, J.E., Partch, A., Paulson, H.L., Perry, W., Peskind, E., Petersen, R.C., Pierce, A., Poon, W.W., Potter, H., Quinn, J.F., Raj, A., Raskind, M., Reisberg, B., Reisch, J.S., Reitz, C., Ringman, J.M., Roberson, E.D., Rogaeva, E., Rosen, H.J., Rosenberg, R.N., Royall, D.R., Sager, M.A., Sano, M., Saykin, A.J., Schneider, J.A., Schneider, L.S., Seeley, W.W., Smith, A.G., Sonnen, J.A., Spina, S., Stern, R.A., Tanzi, R.E., Thornton-Wells, T.A., Trojanowski, J.Q., Troncoso, J.C., Tsuang, D.W., Van Deerlin, V.M., Van Eldik, L.J., Vardarajan, B.N., Vinters, H.V., Vonsattel, J.P., Weintraub, S., Welsh-Bohmer, K.A., Williamson, J., Wishnek, S., Woltjer, R.L., Wright, C.B., Chuang-Kuo, W., Chang-En, Y., Lei, Y., Thomas, C., Gerrish, A., Chapman, J., Stretton, A., Morgan, A., Oldham, H., Owen, M.J., Kehoe, P.G., Medway, C., Brown, K., Lord, J., Turton, J., Hooper, N.M., Vardy, E., Warren, J.D., Schott, J.M., Uphill, J., Hollingworth, P., Ryan, N., Rossor, M., Collinge, J., Ben-Shlomo, Y., Makrina, D., Gkatzima, O., Lupton, M., Koutroumani, M., Avramidou, D., Germanou, A., Jessen, F., Riedel-Heller, S., Dichgans, M., Heun, R., Kölsch, H., Schürmann, B., Herold, C., Lacour, A., Drichel, D., Hoffmann, P., Kornhuber, J., Wei, G., Feulner, T., Mayhaus, M., Pichler, S., Riemenschneider, M., van den Bussche, H., Lawlor, B., Lynch, A., Mann, D., Smith, A.D., Warden, D., Wilcock, G., Heuser, I., Wiltfang, J., Frölich, L., Hüll, M., Mayo, K., Livingston, G., Bass, N.J., Gurling, H., Mcquillin, A., Gwilliam, R., Deloukas, P., Al-Chalabi, A., Shaw, C.E., Singleton, A.B., Guerreiro, R., Russo, G., Jöckel, K., Moebus, S., Klopp, N., Wichmann, H.-., Li, M., Bisceglio, G., Fisher, E., Warner, N., Pickering-Brown, S., Craig, D., Johnston, J.A., Mcguinness, B., Todd, S., Rubinsztein, D.C., Lovestone, S., Bayer, A., Gallacher, J., Proitsi, P., Ortega-Cubero, Saraadams, P., Albert, M., Albin, R., Apostolova, L., Arnold, S., Atwood, C., Baldwin, C., Barmada, M., Barnes, L., Beach, T., Becker, J., Bigio, E., Bird, T., Boeve, B., Bowen, J., Burke, J., Cairns, N., Carlson, C., Carlsson, C., Carney, R., Carrasquillo, M., Carroll, S., Chui, H., Clark, D., Cribbs, D., Crocco, E., De Jager PL, Dekosky, S., Demirci, F., Dickson, D., Doody, R., Faber, K., Fairchild, T., Fallon, K., Farlow, M., Frosch, M., Galasko, D., Geschwind, D., Gilbert, J., Glass, J., Graff-Radford, N., Green, R., Growdon, J., Hamilton, R., Harrell, L., Honig, L., Huebinger, R., Huentelman, M., Hulette, C., Hyman, B., Jarvik, G., Jicha, G., Kauwe, J., Kaye, J., Koo, E., Kowall, N., Kramer, J., Laferla, F., Lah, J., Leverenz, J., Levey, A., Li, G., Lieberman, A., Lopez, O., Lyketsos, C., Mack, W., Marson, D., Mash, D., Mccormick, W., Mccurry, S., Mcdavid, A., Mckee, A., Miller, B., Miller, C., Miller, J., Morris, J., Murrell, J., Myers, A., Olichney, J., Pankratz, V., Parisi, J., Paulson, H., Petersen, R., Poon, W., Quinn, J., Reisch, J., Ringman, J., Roberson, E., Rosen, H., Rosenberg, R., Royall, D., Sager, M., Saykin, A., Schneider, J., Schneider, L., Seeley, W., Smith, A., Sonnen, J., Stern, R., Tanzi, R., Thornton-Wells, T., Trojanowski, J., Troncoso, J., Tsuang, D., Van Deerlin VM, Van Eldik LJ, Vardarajan, B., Vinters, H., Vonsattel, J., Welsh-Bohmer, K., Woltjer, R., Wright, C., Wu, C., Yu, C., Yu, L., Au, R., Wolf, P., Beiser, A., Satizabal, C., Uitterlinden, A., Rivadeneira, F., Koudstaal, P., Longstreth WT Jr, Kuller, L., Lumley, T., Rice, K., Harris, T., Nalls, M., Marksteiner, J., Dal-Bianco, P., Töglhofer, A., Freudenberger, P., Ransmayr, G., Benke, T., Toeglhofer, A., Boerwinkle, E., Bressler, J., Fornage, M., Morón, F., Hernández, I., Roca, M., Mauleón, A., Alegret, M., Ramírez-Lorca, R., González-Perez, A., Alpérovitch, A., Alvarez, V., Barberger-Gateau, P., Bettens, K., Bossù, P., Brice, A., Bullido, M., Caffara, P., Clarimon, J., Combarros, O., Coto, E., Del Zampo, M., Delepine, M., Deniz Naranjo MC, Epelbaum, J., Fratiglioni, L., Galimberti, D., Graff, C., Hiltunen, M., Ingelsson, M., Keller, L., Lannfelt, L., Llèo, A., Mancuso, M., Mateo, I., Mecocci, P., Nacmias, B., Panza, F., Pilotto, A., Garcia, F., Scarpini, E., Seripa, D., Sleegers, K., Soininen, H., Sorbi, S., Spalletta, G., Wallon, D., Owen, M., Kehoe, P., Hooper, N., Warren, J., Schott, J., Gu, W., Bass, N., Shaw, C., Singleton, A., Wichmann, H., Ma, L., Johnston, J., Rubinsztein, D., Ortega-Cubero, S., Epidemiology, Neurology, and Internal Medicine

Subjects
0301 basic medicine, Apolipoprotein E, Apolipoprotein E4, Single-nucleotide polymorphism, Locus (genetics), Genome-wide association study, genetics [Alzheimer Disease], MAPT protein, human, tau Proteins, Polymorphism, Single Nucleotide, Article, Chromosomes, 03 medical and health sciences, Cellular and Molecular Neuroscience, 0302 clinical medicine, Alzheimer Disease, Settore BIO/13 - Biologia Applicata, Humans, ddc:610, Polymorphism, Molecular Biology, Biology, genetics [Apolipoprotein E4], Genetic association, Temporal cortex, Genetics, Pair 17, Haplotype, Single Nucleotide, 3. Good health, Chromosome 17 (human), genetics [tau Proteins], Chemistry, 030104 developmental biology, Psychiatry and Mental Health, Chromosomes, Human, Pair 17, Genome-Wide Association Study, Settore MED/26 - Neurologia, Human medicine, Psychology, 030217 neurology & neurosurgery, Human
Abstract

APOE epsilon 4, the most significant genetic risk factor for Alzheimer disease (AD), may mask effects of other loci. We re-analyzed genome-wide association study (GWAS) data from the International Genomics of Alzheimer's Project (IGAP) Consortium in APOE epsilon 4+ (10 352 cases and 9207 controls) and APOE epsilon 4 - (7184 cases and 26 968 controls) subgroups as well as in the total sample testing for interaction between a single-nucleotide polymorphism (SNP) and APOE e4 status. Suggestive associations (P < 1x10(-4)) in stage 1 were evaluated in an independent sample (stage 2) containing 4203 subjects (APOE epsilon 4+: 1250 cases and 536 controls; APOE epsilon 4 -: 718 cases and 1699 controls). Among APOE epsilon 4 - subjects, novel genome-wide significant (GWS) association was observed with 17 SNPs (all between KANSL1 and LRRC37A on chromosome 17 near MAPT) in a meta-analysis of the stage 1 and stage 2 data sets (best SNP, rs2732703, P = 5.8 x 10(-9)). Conditional analysis revealed that rs2732703 accounted for association signals in the entire 100-kilobase region that includes MAPT. Except for previously identified AD loci showing stronger association in APOE epsilon 4+ subjects (CR1 and CLU) or APOE epsilon 4 - subjects (MS4A6A/MS4A4A/MS4A6E), no other SNPs were significantly associated with AD in a specific APOE genotype subgroup. In addition, the finding in the stage 1 sample that AD risk is significantly influenced by the interaction of APOE with rs1595014 in TMEM106B (P = 1.6 x 10(-7)) is noteworthy, because TMEM106B variants have previously been associated with risk of frontotemporal dementia. Expression quantitative trait locus analysis revealed that rs113986870, one of the GWS SNPs near rs2732703, is significantly associated with four KANSL1 probes that target transcription of the first translated exon and an untranslated exon in hippocampus (P

Published
2016

10. An integrated multi-study analysis of intra-subject variability in cerebrospinal fluid amyloid-beta concentrations collected by lumbar puncture and indwelling lumbar catheter

Author

Lucey, B.P., Gonzales, C., Das, U., Li, J., Siemers, E.R., Slemmon, J.R., Bateman, R.J., Huang, Y., Fox, G.B., Claassen, J.A., Slats, D., Verbeek, M.M., Tong, G., Soares, H., Savage, M.J., Kennedy, M., Forman, M., Sjogren, M., Margolin, R., Chen, X., Farlow, M.R., Dean, R.A., Waring, J.F., Lucey, B.P., Gonzales, C., Das, U., Li, J., Siemers, E.R., Slemmon, J.R., Bateman, R.J., Huang, Y., Fox, G.B., Claassen, J.A., Slats, D., Verbeek, M.M., Tong, G., Soares, H., Savage, M.J., Kennedy, M., Forman, M., Sjogren, M., Margolin, R., Chen, X., Farlow, M.R., Dean, R.A., and Waring, J.F.

Abstract

Contains fulltext : 154021.pdf (publisher's version ) (Open Access), INTRODUCTION: Amyloid-beta (Abeta) has been investigated as a diagnostic biomarker and therapeutic drug target. Recent studies found that cerebrospinal fluid (CSF) Abeta fluctuates over time, including as a diurnal pattern, and increases in absolute concentration with serial collection. It is currently unknown what effect differences in CSF collection methodology have on Abeta variability. In this study, we sought to determine the effect of different collection methodologies on the stability of CSF Abeta concentrations over time. METHODS: Grouped analysis of CSF Abeta levels from multiple industry and academic groups collected by either lumbar puncture (n=83) or indwelling lumbar catheter (n=178). Participants were either placebo or untreated subjects from clinical drug trials or observational studies. Participants had CSF collected by lumbar puncture or lumbar catheter for quantitation of Abeta concentration by enzyme linked immunosorbent assay. Data from all sponsors was converted to percent of the mean for Abeta40 and Abeta42 for comparison. Repeated measures analysis of variance was performed to assess for factors affecting the linear rise of Abeta concentrations over time. RESULTS: Analysis of studies collecting CSF via lumbar catheter revealed tremendous inter-subject variability of Abeta40 and Abeta42 as well as an Abeta diurnal pattern in all of the sponsors' studies. In contrast, Abeta concentrations from CSF samples collected at two time points by lumbar puncture showed no significant differences. Repeated measures analysis of variance found that only time and draw frequency were significantly associated with the slope of linear rise in Abeta40 and Abeta42 concentrations during the first 6 hours of collection. CONCLUSIONS: Based on our findings, we recommend minimizing the frequency of CSF draws in studies measuring Abeta levels and keeping the frequency standardized between experimental groups. The Abeta diurnal pattern was noted in all sponsors' studies

Published
2015

11. Genotype patterns at PICALM, CR1, BIN1, CLU, and APOE genes are associated with episodic memory

Author

Barral, S., Bird, T., Goate, A., Farlow, M.R., Diaz-Arrastia, R., Bennett, D.A., Graff-Radford, N., Boeve, B.F., Sweet, R.A., Stern, Y., Wilson, R.S., Foroud, T., Ott, J., Mayeux, R., Green, Robert, Kowall, Neil, Farrer, Lindsay, Williamson, Jennifer, Santana, Vincent, Schmechel, Donald, Gaskel, Peter, Ghetti, Bernardino, Farlow, Martin R., Faber, Kelley, Prentice, Heather, Horner, Kelly, Growdon, John H., Blacker, Deborah, Tanzi, Rudolph E., Hyman, Bradley T., Boeve, Bradley, Kuntz, Karen, Norgaard, Lindsay, Larson, Nathan, Kistler, Dana, Parfitt, Francine, Haddow, Jenny, Silverman, Jeremy, Beeri, Michal Schnaider, Sano, Mary, Wang, Joy, Lally, Rachel, Johnson, Nancy, Mesulam, Marcel, Weintraub, Sandra, Bigio, Eileen, Kaye, Jeffery, Kramer, Patricia, Payne-Murphy, Jessica, Bennett, David, Jacobs, Holli, Chang, Jeen-Soo, Arends, Danielle, Harrell, Lindy, Bartzokis, George, Cummings, Jeffery, Lu, Po H., Toland, Usha, Smith, Charles, Brickhouse, Alise, Trojanowski, John, Van Deerlin, Vivianna, McCarty Wood, Elisabeth, DeKosky, Steven, Sweet, Robert, Weamer, Elise, Chui, Helena, Varpetian, Arousiak, Diaz-Arrastia, Ramon, Rosenberg, Roger, Davis, Barbara, Bird, Thomas, Schellenberg, Gerard D., Raskind, Murray, Rumbaugh, Malia, Nickel, Kate, Goate, Alison, Morris, John, Norton, Joanne, Levitch, Denise, Grant, Betsy, Coats, Mary, Levey, Allen, Rosen, Ami, and Anosike, Ezinna

Subjects
Apolipoprotein E, Male, Genotype, Memory, Episodic, Single-nucleotide polymorphism, Genome-wide association study, Biology, Neuropsychological Tests, Polymorphism, Single Nucleotide, PICALM, Apolipoproteins E, Alzheimer Disease, medicine, Humans, Genetic Predisposition to Disease, Episodic memory, Genetic association, Adaptor Proteins, Signal Transducing, Aged, Genetics, Aged, 80 and over, Tumor Suppressor Proteins, Nuclear Proteins, Articles, Middle Aged, medicine.disease, Clusterin, Endophenotype, Monomeric Clathrin Assembly Proteins, Receptors, Complement 3b, Female, Neurology (clinical), Alzheimer's disease, Genome-Wide Association Study
Abstract

Objective: Several genome-wide association studies (GWAS) have associated variants in lateonset Alzheimer disease (LOAD) susceptibility genes; however, these single nucleotide polymorphisms (SNPs) have very modest effects, suggesting that single SNP approaches may be inadequate to identify genetic risks. An alternative approach is the use of multilocus genotype patterns (MLGPs) that combine SNPs at different susceptibility genes. Methods: Using data from 1,365 subjects in the National Institute on Aging Late-Onset Alzheimer’s Disease Family Study, we conducted a family-based association study in which we tabulated MLGPs for SNPs at CR1, BIN1, CLU, PICALM, and APOE. We used generalized estimating equations to model episodic memory as the dependent endophenotype of LOAD and the MLGPs as predictors while adjusting for sex, age, and education. Results: Several genotype patterns influenced episodic memory performance. A pattern that included PICALM and CLU was the strongest genotypic profile for lower memory performance ( 0.32, SE 0.19, p 0.021). The effect was stronger after addition of APOE (p 0.016). Two additional patterns involving PICALM, CR1, and APOE and another pattern involving PICALM, BIN1, and APOE were also associated with significantly poorer memory performance ( 0.44, SE 0.09, p 0.009 and 0.29, SE 0.07, p 0.012) even after exclusion of patients with LOAD. We also identified genotype pattern involving variants in PICALM, CLU, and APOE as a predictor of better memory performance ( 0.26, SE 0.10, p 0.010). Conclusions: MLGPs provide an alternative analytical approach to predict an individual’s genetic risk for episodic memory performance, a surrogate indicator of LOAD. Identifying genotypic patterns contributing to the decline of an individual’s cognitive performance may be a critical step along the road to preclinical detection of Alzheimer disease. Neurology ® 2012;78:1464–1471

Published
2012

12. APP Processing Genes and Cerebrospinal Fluid APP Cleavage Product Levels in Alzheimer’s Disease

Author

Bekris, L.M., Galloway, N.M., Millard, S., Lockhart, D., Li, G., Galasko, D.R., Farlow, M.R., Clark, C.M., Quinn, J.F., Kaye, J.A., Schellenberg, G.D., Leverenz, J.B., Seubert, P., Tsuang, D.W., Peskind, E.R., and Yu, C.E.

Subjects
Aged, 80 and over, Male, Amyloid beta-Peptides, Genotype, Apolipoprotein E4, DNA Mutational Analysis, Computational Biology, Membrane Proteins, Middle Aged, Polymorphism, Single Nucleotide, Article, Peptide Fragments, ADAM Proteins, ADAM10 Protein, Amyloid beta-Protein Precursor, Gene Frequency, Alzheimer Disease, Humans, Female, Age of Onset, Amyloid Precursor Protein Secretases, Aged
Abstract

The aim of this exploratory investigation was to determine if genetic variation within amyloid precursor protein (APP) or its processing enzymes correlates with APP cleavage product levels: APPα, APPβ or Aβ42, in cerebrospinal fluid (CSF) of cognitively normal subjects or Alzheimer's disease (AD) patients. Cognitively normal control subjects (n = 170) and AD patients (n = 92) were genotyped for 19 putative regulatory tagging SNPs within 9 genes (APP, ADAM10, BACE1, BACE2, PSEN1, PSEN2, PEN2, NCSTN and APH1B) involved in the APP processing pathway. SNP genotypes were tested for their association with CSF APPα, APPβ, and Aβ42, AD risk and age-at-onset while taking into account age, gender, race and APOE ε4. After adjusting for multiple comparisons, a significant association was found between ADAM10 SNP rs514049 and APPα levels. In controls, the rs514049 CC genotype had higher APPα levels than the CA, AA collapsed genotype, whereas the opposite effect was seen in AD patients. These results suggest that genetic variation within ADAM10, an APP processing gene, influences CSF APPα levels in an AD specific manner.

Published
2010

14. Gerstmann-Straussler-Scheinker disease: II. neurofibrillary tangles and plaques with PrP-amyloid coexist in an affected family

Author

Ghetti, B., Tagliavini, F., Masters, C.L., Beyreuther, K., Giaccone, G., Verga, L., Farlow, M.R., Conneally, P.M., Dlouhy, S.R., Azzarelli, B., and Bugiani, O.

Subjects
Slow virus diseases -- Research, Genetic disorders -- Research, Gerstmann-Straussler-Scheinker syndrome -- Genetic aspects, Health, Psychology and mental health
Abstract

Gerstmann-Straussler-Scheinker (GSS) disease is an inherited degenerative disease of the nervous system. The disease, which appears to be inherited as an autosomal dominant trait, first appears between the fourth and seventh decades of life; dementia progresses gradually and after several years rigidity and bradykinesia (slow movement) set in. Psychosis, depression, and rapid weight loss are common at this stage; death usually follows the onset of rigidity by six months to two years. Occasional sporadic cases are observed, however. Neuropathologic findings include the presence of amyloid plaques in the cerebellum and the cerebral cortex. Amyloid plaques are a common pathological feature of Alzheimer's disease; the plaques observed in GSS disease are somewhat intermediate between those observed in Alzheimer's disease and those seen in the rare South Pacific infectious disease kuru. Immunocytochemical techniques have now been used to confirm the distinction between the plaques observed in GSS and those seen in Alzheimer's disease. Alzheimer's disease amyloid plaques are composed predominantly of a protein subunit called A4, which is also known as beta-protein. Antibodies to A4 protein failed to recognize any component of the plaques in GSS disease. Plaques from diseases such as kuru, Creutzfeldt-Jakob disease, and the animal disease scrapie contain a protein called prion protein, or PrP. Although some investigators feel that PrP is also a component of the so-called prions, or infectious proteins, which are conjectured to cause these diseases, this has not been conclusively verified. Antibodies to PrP, however, were found to recognize components of the amyloid plaques in patients with GSS. While tangled neurofibrils are a common neuropathologic feature of Alzheimer's disease, they are not frequently observed in many cases of GSS. However, among the affected family members in the present study, neurofibrillary tangles were found to be numerous. The results indicate that the neuropathological changes in this disease may vary among different family pedigrees and that the normal spectrum of Gerstmann-Straussler-Scheinker disease includes neurofibrillary tangles as well as amyloid plaques. (Consumer Summary produced by Reliance Medical Information, Inc.)

Published
1989

15. Gerstmann-Straussler-Scheinker disease: I. extending the clinical spectrum

Author

Farlow, M.R., Yee, R.D., Dlouhy, S.R., Conneally, P.M., Azzarelli, B., and Ghetti, B.

Subjects
Genetic disorders -- Research, Slow virus diseases -- Research, Gerstmann-Straussler-Scheinker syndrome -- Genetic aspects, Gerstmann-Straussler-Scheinker syndrome -- Diagnosis, Health, Psychology and mental health
Abstract

Gerstmann-Straussler-Scheinker disease is an inherited degenerative disease of the nervous system. The symptoms include ataxia (defective motor coordination), dementia, and pyramidal signs (which also involve motor control). The disease, which appears to be inherited as an autosomal dominant trait, first appears between the fourth and seventh decades of life; dementia progresses gradually and after several years rigidity and bradykinesia (slow movement) sets in. Psychosis, depression, and rapid weight loss are common at this stage; death usually follows the onset of rigidity by six months to two years. A large family pedigree of 1,230 people was found to include 67 affected members and 148 fully at-risk members (that is, children of affected members). This family has been studied to determine the range of symptoms associated with the disease. The researchers provide a detailed table describing the occurrence of symptoms in a subset of the affected individuals. These symptoms include dementia, eye signs, depression, cerebellar ataxia, corticospinal (pyramidal) tract signs, tremor, muscle weakness, and myoclonic jerks. Some symptoms are observed only in a minority of patients, indicating that the clinical spectrum of Gerstmann-Straussler-Scheinker disease is broad. Diagnostic imaging techniques such as the CT scan and magnetic resonance imaging (MRI) generally reveal little or nothing in these patients, but two patients were observed to have abnormal MRI scans, which included indications of cerebellar atrophy and abnormally decreased T2 signals in the region of the basal ganglia. These abnormal T2 signals are consistent with abnormally great iron deposition, which is sometimes observed in Parkinson's disease (some iron deposition with aging is normal). Curiously, some research has indicated that neurological disease may be transmitted to laboratory animals through the brain tissue of patients affected with Gerstmann-Straussler-Scheinker disease, indicating that the disease may involve an infectious component in some fashion. However, not all specimens transmit disease to animals. To date, autopsy material from affected members of this particular kindred group has not been successfully used to transmit neurological disease to mice. (Consumer Summary produced by Reliance Medical Information, Inc.)

Published
1989

16. Genotype patterns at PICALM, CR1, BIN1, CLU , and APOE genes are associated with episodic memory

Author

Barral, S., primary, Bird, T., additional, Goate, A., additional, Farlow, M.R., additional, Diaz-Arrastia, R., additional, Bennett, D.A., additional, Graff-Radford, N., additional, Boeve, B.F., additional, Sweet, R.A., additional, Stern, Y., additional, Wilson, R.S., additional, Foroud, T., additional, Ott, J., additional, Mayeux, R., additional, Green, Robert, additional, Kowall, Neil, additional, Farrer, Lindsay, additional, Williamson, Jennifer, additional, Santana, Vincent, additional, Schmechel, Donald, additional, Gaskel, Peter, additional, Ghetti, Bernardino, additional, Farlow, Martin R., additional, Faber, Kelley, additional, Prentice, Heather, additional, Horner, Kelly, additional, Growdon, John H., additional, Blacker, Deborah, additional, Tanzi, Rudolph E., additional, Hyman, Bradley T., additional, Boeve, Bradley, additional, Kuntz, Karen, additional, Norgaard, Lindsay, additional, Larson, Nathan, additional, Kistler, Dana, additional, Parfitt, Francine, additional, Haddow, Jenny, additional, Silverman, Jeremy, additional, Beeri, Michal Schnaider, additional, Sano, Mary, additional, Wang, Joy, additional, Lally, Rachel, additional, Johnson, Nancy, additional, Mesulam, Marcel, additional, Weintraub, Sandra, additional, Bigio, Eileen, additional, Kaye, Jeffery, additional, Kramer, Patricia, additional, Payne-Murphy, Jessica, additional, Bennett, David, additional, Jacobs, Holli, additional, Chang, Jeen-Soo, additional, Arends, Danielle, additional, Harrell, Lindy, additional, Bartzokis, George, additional, Cummings, Jeffery, additional, Lu, Po H., additional, Toland, Usha, additional, Smith, Charles, additional, Brickhouse, Alise, additional, Trojanowski, John, additional, Van Deerlin, Vivianna, additional, McCarty Wood, Elisabeth, additional, DeKosky, Steven, additional, Sweet, Robert, additional, Weamer, Elise, additional, Chui, Helena, additional, Varpetian, Arousiak, additional, Diaz-Arrastia, Ramon, additional, Rosenberg, Roger, additional, Davis, Barbara, additional, Bird, Thomas, additional, Schellenberg, Gerard D., additional, Raskind, Murray, additional, Rumbaugh, Malia, additional, Nickel, Kate, additional, Goate, Alison, additional, Morris, John, additional, Norton, Joanne, additional, Levitch, Denise, additional, Grant, Betsy, additional, Coats, Mary, additional, Levey, Allen, additional, Rosen, Ami, additional, and Anosike, Ezinna, additional

Published
2012
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24. Association of an interleukin 1α polymorphism with Alzheimer’s disease

Author

Du, Y., primary, Dodel, R.C., additional, Eastwood, B.J., additional, Bales, K.R., additional, Gao, F., additional, Lohmüller, F., additional, Müller, U., additional, Kurz, A., additional, Zimmer, R., additional, Evans, R.M., additional, Hake, A., additional, Gasser, T., additional, Oertel, W.H., additional, Griffin, W.S. T., additional, Paul, S.M., additional, and Farlow, M.R., additional

Published
2000
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25. α2 Macroglobulin and the risk of Alzheimer’s disease

Author

Dodel, R.C., primary, Du, Y., additional, Bales, K.R., additional, Gao, F., additional, Eastwood, B., additional, Glazier, B., additional, Zimmer, R., additional, Cordell, B., additional, Hake, A., additional, Evans, R., additional, Gallagher-Thompson, D., additional, Thompson, L.W., additional, Tinklenberg, J.R., additional, Pfefferbaum, A., additional, Sullivan, E.V., additional, Yesavage, J., additional, Altstiel, L., additional, Gasser, T., additional, Farlow, M.R., additional, Murphy, G.M., additional, and Paul, S.M., additional

Published
2000
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36. Genotype patterns at PICALM, CR1, BIN1, CLU, and APOEgenes are associated with episodic memory

Author

Barral, S., Bird, T., Goate, A., Farlow, M.R., Diaz-Arrastia, R., Bennett, D.A., Graff-Radford, N., Boeve, B.F., Sweet, R.A., Stern, Y., Wilson, R.S., Foroud, T., Ott, J., and Mayeux, R.

Abstract

Several genome-wide association studies (GWAS) have associated variants in late-onset Alzheimer disease (LOAD) susceptibility genes; however, these single nucleotide polymorphisms (SNPs) have very modest effects, suggesting that single SNP approaches may be inadequate to identify genetic risks. An alternative approach is the use of multilocus genotype patterns (MLGPs) that combine SNPs at different susceptibility genes.

Published
2012
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39. Assessment of dietary therapies in a canine model of Batten disease

Author

Siakotos, A.N., Hutchins, G.D., Farlow, M.R., and Katz, M.L.

Abstract

The neuronal ceroid lipofuscinoses (NCLs) are inherited neurodegenerative diseases that occur in a number of animalspecies, including dogs. A study was conducted to determine whether the resupply of nutrients lost in NCL English Setter dogs would modify the course of the disease. Carnitine and polyunsaturated fatty acids have been reported to be reduced in NCL English Setters. Therefore, the normal laboratory diets of NCL dogs were supplemented with carnitine, fish oil and corn oil and the disease progression was compared with that of an untreated litter mate. The following specific prognostic indicators of NCL were monitored: cognitive function, brain atrophy, brain glucose metabolism and lifespan. Carnitine, with or without lipid supplements, dramatically delayed the progression of cognitive decline in NCL dogs. When fish oil and corn oil only were supplied, brain atrophy was reduced. A combination of all three supplements preserved cognitive function and increased lifespan by 10%. However, brain glucose hypometabolism and cerebral atrophy were not reduced. The results in this study indicated that the effectiveness of therapeutic interventions can be assessed by non-invasive methods at a relatively early stage of the disease process. Our study suggests that dietary supplementation with carnitine is a promising new approach for delaying or preventing the cognitive decline in dogs, and perhaps, with human NCL patients.

Published
2001
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40. Cholesterol and APOEgenotype interact to influence Alzheimer disease progression

Author

Evans, R.M., Hui, S., Perkins, A., Lahiri, D.K., Poirier, J., and Farlow, M.R.

Abstract

In this retrospective analysis of 443 Alzheimer disease (AD) patients from a 30-week tacrine trial, change in Alzheimer’s Disease Assessment Scale score from baseline to final value was significantly associated with a total serum cholesterol/APOE genotype interaction. Disease progression in the no-APOE4 allele/high-cholesterol subgroup was greater than in the normal-cholesterol subgroups with or without 4. Cholesterol levels and APOEgenotype may interact to affect AD progression. The results are consistent with preclinical data on cholesterol’s effects in AD.

Published
2004

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