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Bjornevik K, O'Reilly ÉJ, Berry JD, Clish CB, Jeanfavre S, Kato I, Kolonel LN, Le Marchand L, McCullough ML, Paganoni S, Schwarzschild MA, Talbott EO, Wallace RB, Zhang Z, Manson JE, Ascherio A. Prediagnostic plasma branched-chain amino acids and the risk of amyotrophic lateral sclerosis. Neurology 2018; 92:e2081-e2088. [PMID: 30429276 DOI: 10.1212/wnl.0000000000006669] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2018] [Accepted: 09/17/2018] [Indexed: 12/13/2022] Open
Abstract
OBJECTIVE To assess whether prediagnostic levels of plasma branched-chain amino acids (BCAAs) are associated with amyotrophic lateral sclerosis (ALS) risk. METHODS We included participants from 5 large cohort studies-The Nurses' Health Study, the Health Professionals Follow-up Study, the Cancer Prevention Study II Nutrition, the Multiethnic Cohort Study, and the Women's Health Initiative-and identified 275 individuals who developed ALS during follow-up. Two controls were randomly selected for each case, matched on cohort, age, sex, fasting status, and time of blood draw. We measured metabolites using liquid chromatography-mass spectrometry and used conditional logistic regression to estimate rate ratios (RRs) and 95% confidence intervals (CIs) for the association of individual BCAAs with ALS risk. RESULTS None of the 3 BCAAs was associated with a higher ALS risk. The risk estimates were similar for leucine (RR top vs bottom quartile: 0.87, 95% CI 0.57-1.33), isoleucine (RR top vs bottom quartile: 0.81, 95% CI 0.52-1.24), and valine (RR top vs bottom quartile: 0.80, 95% CI 0.52-1.23) in a multivariable analysis adjusted for body mass index, smoking, level of education, and physical activity. The estimates did not vary significantly by sex, fasting status, or time interval between blood draw and disease onset. CONCLUSION The results from this study do not support the hypothesis that BCAAs are risk factors for ALS.
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Affiliation(s)
- Kjetil Bjornevik
- From the Departments of Nutrition (K.B., É.J.O., Z.Z., A.A.) and Epidemiology (J.E.M., A.A.), Harvard T.H. Chan School of Public Health, Boston, MA; School of Public Health (É.J.O.), College of Medicine, University College Cork, Ireland; Department of Neurology (J.D.B., M.A.S.), Massachusetts General Hospital (S.P.), Boston; Metabolomics Platform (C.B.C., S.J.), Broad Institute of Massachusetts Institute of Technology and Harvard, Cambridge; Department of Oncology (I.K.), Karmanos Cancer Institute, Wayne State University School of Medicine, Detroit, MI; Epidemiology Program (L.N.K., L.L.M.), University of Hawaii Cancer Center, Honolulu; Epidemiology Research Program (M.L.M.), American Cancer Society, Atlanta, GA; Department of Physical Medicine and Rehabilitation (S.P.), Spaulding Rehabilitation Hospital, Charlestown; Harvard Medical School (S.P., M.A.S.), Boston, MA; Department of Epidemiology (E.O.T.), Graduate School of Public Health, University of Pittsburgh, PA; Department of Epidemiology (R.B.W.), College of Public Health, University of Iowa, Iowa City; and Department of Medicine (J.E.M.) and Channing Division of Network Medicine (A.A.), Brigham and Women's Hospital, Harvard Medical School, Boston, MA.
| | - Éilis J O'Reilly
- From the Departments of Nutrition (K.B., É.J.O., Z.Z., A.A.) and Epidemiology (J.E.M., A.A.), Harvard T.H. Chan School of Public Health, Boston, MA; School of Public Health (É.J.O.), College of Medicine, University College Cork, Ireland; Department of Neurology (J.D.B., M.A.S.), Massachusetts General Hospital (S.P.), Boston; Metabolomics Platform (C.B.C., S.J.), Broad Institute of Massachusetts Institute of Technology and Harvard, Cambridge; Department of Oncology (I.K.), Karmanos Cancer Institute, Wayne State University School of Medicine, Detroit, MI; Epidemiology Program (L.N.K., L.L.M.), University of Hawaii Cancer Center, Honolulu; Epidemiology Research Program (M.L.M.), American Cancer Society, Atlanta, GA; Department of Physical Medicine and Rehabilitation (S.P.), Spaulding Rehabilitation Hospital, Charlestown; Harvard Medical School (S.P., M.A.S.), Boston, MA; Department of Epidemiology (E.O.T.), Graduate School of Public Health, University of Pittsburgh, PA; Department of Epidemiology (R.B.W.), College of Public Health, University of Iowa, Iowa City; and Department of Medicine (J.E.M.) and Channing Division of Network Medicine (A.A.), Brigham and Women's Hospital, Harvard Medical School, Boston, MA
| | - James D Berry
- From the Departments of Nutrition (K.B., É.J.O., Z.Z., A.A.) and Epidemiology (J.E.M., A.A.), Harvard T.H. Chan School of Public Health, Boston, MA; School of Public Health (É.J.O.), College of Medicine, University College Cork, Ireland; Department of Neurology (J.D.B., M.A.S.), Massachusetts General Hospital (S.P.), Boston; Metabolomics Platform (C.B.C., S.J.), Broad Institute of Massachusetts Institute of Technology and Harvard, Cambridge; Department of Oncology (I.K.), Karmanos Cancer Institute, Wayne State University School of Medicine, Detroit, MI; Epidemiology Program (L.N.K., L.L.M.), University of Hawaii Cancer Center, Honolulu; Epidemiology Research Program (M.L.M.), American Cancer Society, Atlanta, GA; Department of Physical Medicine and Rehabilitation (S.P.), Spaulding Rehabilitation Hospital, Charlestown; Harvard Medical School (S.P., M.A.S.), Boston, MA; Department of Epidemiology (E.O.T.), Graduate School of Public Health, University of Pittsburgh, PA; Department of Epidemiology (R.B.W.), College of Public Health, University of Iowa, Iowa City; and Department of Medicine (J.E.M.) and Channing Division of Network Medicine (A.A.), Brigham and Women's Hospital, Harvard Medical School, Boston, MA
| | - Clary B Clish
- From the Departments of Nutrition (K.B., É.J.O., Z.Z., A.A.) and Epidemiology (J.E.M., A.A.), Harvard T.H. Chan School of Public Health, Boston, MA; School of Public Health (É.J.O.), College of Medicine, University College Cork, Ireland; Department of Neurology (J.D.B., M.A.S.), Massachusetts General Hospital (S.P.), Boston; Metabolomics Platform (C.B.C., S.J.), Broad Institute of Massachusetts Institute of Technology and Harvard, Cambridge; Department of Oncology (I.K.), Karmanos Cancer Institute, Wayne State University School of Medicine, Detroit, MI; Epidemiology Program (L.N.K., L.L.M.), University of Hawaii Cancer Center, Honolulu; Epidemiology Research Program (M.L.M.), American Cancer Society, Atlanta, GA; Department of Physical Medicine and Rehabilitation (S.P.), Spaulding Rehabilitation Hospital, Charlestown; Harvard Medical School (S.P., M.A.S.), Boston, MA; Department of Epidemiology (E.O.T.), Graduate School of Public Health, University of Pittsburgh, PA; Department of Epidemiology (R.B.W.), College of Public Health, University of Iowa, Iowa City; and Department of Medicine (J.E.M.) and Channing Division of Network Medicine (A.A.), Brigham and Women's Hospital, Harvard Medical School, Boston, MA
| | - Sarah Jeanfavre
- From the Departments of Nutrition (K.B., É.J.O., Z.Z., A.A.) and Epidemiology (J.E.M., A.A.), Harvard T.H. Chan School of Public Health, Boston, MA; School of Public Health (É.J.O.), College of Medicine, University College Cork, Ireland; Department of Neurology (J.D.B., M.A.S.), Massachusetts General Hospital (S.P.), Boston; Metabolomics Platform (C.B.C., S.J.), Broad Institute of Massachusetts Institute of Technology and Harvard, Cambridge; Department of Oncology (I.K.), Karmanos Cancer Institute, Wayne State University School of Medicine, Detroit, MI; Epidemiology Program (L.N.K., L.L.M.), University of Hawaii Cancer Center, Honolulu; Epidemiology Research Program (M.L.M.), American Cancer Society, Atlanta, GA; Department of Physical Medicine and Rehabilitation (S.P.), Spaulding Rehabilitation Hospital, Charlestown; Harvard Medical School (S.P., M.A.S.), Boston, MA; Department of Epidemiology (E.O.T.), Graduate School of Public Health, University of Pittsburgh, PA; Department of Epidemiology (R.B.W.), College of Public Health, University of Iowa, Iowa City; and Department of Medicine (J.E.M.) and Channing Division of Network Medicine (A.A.), Brigham and Women's Hospital, Harvard Medical School, Boston, MA
| | - Ikuko Kato
- From the Departments of Nutrition (K.B., É.J.O., Z.Z., A.A.) and Epidemiology (J.E.M., A.A.), Harvard T.H. Chan School of Public Health, Boston, MA; School of Public Health (É.J.O.), College of Medicine, University College Cork, Ireland; Department of Neurology (J.D.B., M.A.S.), Massachusetts General Hospital (S.P.), Boston; Metabolomics Platform (C.B.C., S.J.), Broad Institute of Massachusetts Institute of Technology and Harvard, Cambridge; Department of Oncology (I.K.), Karmanos Cancer Institute, Wayne State University School of Medicine, Detroit, MI; Epidemiology Program (L.N.K., L.L.M.), University of Hawaii Cancer Center, Honolulu; Epidemiology Research Program (M.L.M.), American Cancer Society, Atlanta, GA; Department of Physical Medicine and Rehabilitation (S.P.), Spaulding Rehabilitation Hospital, Charlestown; Harvard Medical School (S.P., M.A.S.), Boston, MA; Department of Epidemiology (E.O.T.), Graduate School of Public Health, University of Pittsburgh, PA; Department of Epidemiology (R.B.W.), College of Public Health, University of Iowa, Iowa City; and Department of Medicine (J.E.M.) and Channing Division of Network Medicine (A.A.), Brigham and Women's Hospital, Harvard Medical School, Boston, MA
| | - Laurence N Kolonel
- From the Departments of Nutrition (K.B., É.J.O., Z.Z., A.A.) and Epidemiology (J.E.M., A.A.), Harvard T.H. Chan School of Public Health, Boston, MA; School of Public Health (É.J.O.), College of Medicine, University College Cork, Ireland; Department of Neurology (J.D.B., M.A.S.), Massachusetts General Hospital (S.P.), Boston; Metabolomics Platform (C.B.C., S.J.), Broad Institute of Massachusetts Institute of Technology and Harvard, Cambridge; Department of Oncology (I.K.), Karmanos Cancer Institute, Wayne State University School of Medicine, Detroit, MI; Epidemiology Program (L.N.K., L.L.M.), University of Hawaii Cancer Center, Honolulu; Epidemiology Research Program (M.L.M.), American Cancer Society, Atlanta, GA; Department of Physical Medicine and Rehabilitation (S.P.), Spaulding Rehabilitation Hospital, Charlestown; Harvard Medical School (S.P., M.A.S.), Boston, MA; Department of Epidemiology (E.O.T.), Graduate School of Public Health, University of Pittsburgh, PA; Department of Epidemiology (R.B.W.), College of Public Health, University of Iowa, Iowa City; and Department of Medicine (J.E.M.) and Channing Division of Network Medicine (A.A.), Brigham and Women's Hospital, Harvard Medical School, Boston, MA
| | - Loic Le Marchand
- From the Departments of Nutrition (K.B., É.J.O., Z.Z., A.A.) and Epidemiology (J.E.M., A.A.), Harvard T.H. Chan School of Public Health, Boston, MA; School of Public Health (É.J.O.), College of Medicine, University College Cork, Ireland; Department of Neurology (J.D.B., M.A.S.), Massachusetts General Hospital (S.P.), Boston; Metabolomics Platform (C.B.C., S.J.), Broad Institute of Massachusetts Institute of Technology and Harvard, Cambridge; Department of Oncology (I.K.), Karmanos Cancer Institute, Wayne State University School of Medicine, Detroit, MI; Epidemiology Program (L.N.K., L.L.M.), University of Hawaii Cancer Center, Honolulu; Epidemiology Research Program (M.L.M.), American Cancer Society, Atlanta, GA; Department of Physical Medicine and Rehabilitation (S.P.), Spaulding Rehabilitation Hospital, Charlestown; Harvard Medical School (S.P., M.A.S.), Boston, MA; Department of Epidemiology (E.O.T.), Graduate School of Public Health, University of Pittsburgh, PA; Department of Epidemiology (R.B.W.), College of Public Health, University of Iowa, Iowa City; and Department of Medicine (J.E.M.) and Channing Division of Network Medicine (A.A.), Brigham and Women's Hospital, Harvard Medical School, Boston, MA
| | - Marjorie L McCullough
- From the Departments of Nutrition (K.B., É.J.O., Z.Z., A.A.) and Epidemiology (J.E.M., A.A.), Harvard T.H. Chan School of Public Health, Boston, MA; School of Public Health (É.J.O.), College of Medicine, University College Cork, Ireland; Department of Neurology (J.D.B., M.A.S.), Massachusetts General Hospital (S.P.), Boston; Metabolomics Platform (C.B.C., S.J.), Broad Institute of Massachusetts Institute of Technology and Harvard, Cambridge; Department of Oncology (I.K.), Karmanos Cancer Institute, Wayne State University School of Medicine, Detroit, MI; Epidemiology Program (L.N.K., L.L.M.), University of Hawaii Cancer Center, Honolulu; Epidemiology Research Program (M.L.M.), American Cancer Society, Atlanta, GA; Department of Physical Medicine and Rehabilitation (S.P.), Spaulding Rehabilitation Hospital, Charlestown; Harvard Medical School (S.P., M.A.S.), Boston, MA; Department of Epidemiology (E.O.T.), Graduate School of Public Health, University of Pittsburgh, PA; Department of Epidemiology (R.B.W.), College of Public Health, University of Iowa, Iowa City; and Department of Medicine (J.E.M.) and Channing Division of Network Medicine (A.A.), Brigham and Women's Hospital, Harvard Medical School, Boston, MA
| | - Sabrina Paganoni
- From the Departments of Nutrition (K.B., É.J.O., Z.Z., A.A.) and Epidemiology (J.E.M., A.A.), Harvard T.H. Chan School of Public Health, Boston, MA; School of Public Health (É.J.O.), College of Medicine, University College Cork, Ireland; Department of Neurology (J.D.B., M.A.S.), Massachusetts General Hospital (S.P.), Boston; Metabolomics Platform (C.B.C., S.J.), Broad Institute of Massachusetts Institute of Technology and Harvard, Cambridge; Department of Oncology (I.K.), Karmanos Cancer Institute, Wayne State University School of Medicine, Detroit, MI; Epidemiology Program (L.N.K., L.L.M.), University of Hawaii Cancer Center, Honolulu; Epidemiology Research Program (M.L.M.), American Cancer Society, Atlanta, GA; Department of Physical Medicine and Rehabilitation (S.P.), Spaulding Rehabilitation Hospital, Charlestown; Harvard Medical School (S.P., M.A.S.), Boston, MA; Department of Epidemiology (E.O.T.), Graduate School of Public Health, University of Pittsburgh, PA; Department of Epidemiology (R.B.W.), College of Public Health, University of Iowa, Iowa City; and Department of Medicine (J.E.M.) and Channing Division of Network Medicine (A.A.), Brigham and Women's Hospital, Harvard Medical School, Boston, MA
| | - Michael A Schwarzschild
- From the Departments of Nutrition (K.B., É.J.O., Z.Z., A.A.) and Epidemiology (J.E.M., A.A.), Harvard T.H. Chan School of Public Health, Boston, MA; School of Public Health (É.J.O.), College of Medicine, University College Cork, Ireland; Department of Neurology (J.D.B., M.A.S.), Massachusetts General Hospital (S.P.), Boston; Metabolomics Platform (C.B.C., S.J.), Broad Institute of Massachusetts Institute of Technology and Harvard, Cambridge; Department of Oncology (I.K.), Karmanos Cancer Institute, Wayne State University School of Medicine, Detroit, MI; Epidemiology Program (L.N.K., L.L.M.), University of Hawaii Cancer Center, Honolulu; Epidemiology Research Program (M.L.M.), American Cancer Society, Atlanta, GA; Department of Physical Medicine and Rehabilitation (S.P.), Spaulding Rehabilitation Hospital, Charlestown; Harvard Medical School (S.P., M.A.S.), Boston, MA; Department of Epidemiology (E.O.T.), Graduate School of Public Health, University of Pittsburgh, PA; Department of Epidemiology (R.B.W.), College of Public Health, University of Iowa, Iowa City; and Department of Medicine (J.E.M.) and Channing Division of Network Medicine (A.A.), Brigham and Women's Hospital, Harvard Medical School, Boston, MA
| | - Evelyn O Talbott
- From the Departments of Nutrition (K.B., É.J.O., Z.Z., A.A.) and Epidemiology (J.E.M., A.A.), Harvard T.H. Chan School of Public Health, Boston, MA; School of Public Health (É.J.O.), College of Medicine, University College Cork, Ireland; Department of Neurology (J.D.B., M.A.S.), Massachusetts General Hospital (S.P.), Boston; Metabolomics Platform (C.B.C., S.J.), Broad Institute of Massachusetts Institute of Technology and Harvard, Cambridge; Department of Oncology (I.K.), Karmanos Cancer Institute, Wayne State University School of Medicine, Detroit, MI; Epidemiology Program (L.N.K., L.L.M.), University of Hawaii Cancer Center, Honolulu; Epidemiology Research Program (M.L.M.), American Cancer Society, Atlanta, GA; Department of Physical Medicine and Rehabilitation (S.P.), Spaulding Rehabilitation Hospital, Charlestown; Harvard Medical School (S.P., M.A.S.), Boston, MA; Department of Epidemiology (E.O.T.), Graduate School of Public Health, University of Pittsburgh, PA; Department of Epidemiology (R.B.W.), College of Public Health, University of Iowa, Iowa City; and Department of Medicine (J.E.M.) and Channing Division of Network Medicine (A.A.), Brigham and Women's Hospital, Harvard Medical School, Boston, MA
| | - Robert B Wallace
- From the Departments of Nutrition (K.B., É.J.O., Z.Z., A.A.) and Epidemiology (J.E.M., A.A.), Harvard T.H. Chan School of Public Health, Boston, MA; School of Public Health (É.J.O.), College of Medicine, University College Cork, Ireland; Department of Neurology (J.D.B., M.A.S.), Massachusetts General Hospital (S.P.), Boston; Metabolomics Platform (C.B.C., S.J.), Broad Institute of Massachusetts Institute of Technology and Harvard, Cambridge; Department of Oncology (I.K.), Karmanos Cancer Institute, Wayne State University School of Medicine, Detroit, MI; Epidemiology Program (L.N.K., L.L.M.), University of Hawaii Cancer Center, Honolulu; Epidemiology Research Program (M.L.M.), American Cancer Society, Atlanta, GA; Department of Physical Medicine and Rehabilitation (S.P.), Spaulding Rehabilitation Hospital, Charlestown; Harvard Medical School (S.P., M.A.S.), Boston, MA; Department of Epidemiology (E.O.T.), Graduate School of Public Health, University of Pittsburgh, PA; Department of Epidemiology (R.B.W.), College of Public Health, University of Iowa, Iowa City; and Department of Medicine (J.E.M.) and Channing Division of Network Medicine (A.A.), Brigham and Women's Hospital, Harvard Medical School, Boston, MA
| | - Zhongli Zhang
- From the Departments of Nutrition (K.B., É.J.O., Z.Z., A.A.) and Epidemiology (J.E.M., A.A.), Harvard T.H. Chan School of Public Health, Boston, MA; School of Public Health (É.J.O.), College of Medicine, University College Cork, Ireland; Department of Neurology (J.D.B., M.A.S.), Massachusetts General Hospital (S.P.), Boston; Metabolomics Platform (C.B.C., S.J.), Broad Institute of Massachusetts Institute of Technology and Harvard, Cambridge; Department of Oncology (I.K.), Karmanos Cancer Institute, Wayne State University School of Medicine, Detroit, MI; Epidemiology Program (L.N.K., L.L.M.), University of Hawaii Cancer Center, Honolulu; Epidemiology Research Program (M.L.M.), American Cancer Society, Atlanta, GA; Department of Physical Medicine and Rehabilitation (S.P.), Spaulding Rehabilitation Hospital, Charlestown; Harvard Medical School (S.P., M.A.S.), Boston, MA; Department of Epidemiology (E.O.T.), Graduate School of Public Health, University of Pittsburgh, PA; Department of Epidemiology (R.B.W.), College of Public Health, University of Iowa, Iowa City; and Department of Medicine (J.E.M.) and Channing Division of Network Medicine (A.A.), Brigham and Women's Hospital, Harvard Medical School, Boston, MA
| | - JoAnn E Manson
- From the Departments of Nutrition (K.B., É.J.O., Z.Z., A.A.) and Epidemiology (J.E.M., A.A.), Harvard T.H. Chan School of Public Health, Boston, MA; School of Public Health (É.J.O.), College of Medicine, University College Cork, Ireland; Department of Neurology (J.D.B., M.A.S.), Massachusetts General Hospital (S.P.), Boston; Metabolomics Platform (C.B.C., S.J.), Broad Institute of Massachusetts Institute of Technology and Harvard, Cambridge; Department of Oncology (I.K.), Karmanos Cancer Institute, Wayne State University School of Medicine, Detroit, MI; Epidemiology Program (L.N.K., L.L.M.), University of Hawaii Cancer Center, Honolulu; Epidemiology Research Program (M.L.M.), American Cancer Society, Atlanta, GA; Department of Physical Medicine and Rehabilitation (S.P.), Spaulding Rehabilitation Hospital, Charlestown; Harvard Medical School (S.P., M.A.S.), Boston, MA; Department of Epidemiology (E.O.T.), Graduate School of Public Health, University of Pittsburgh, PA; Department of Epidemiology (R.B.W.), College of Public Health, University of Iowa, Iowa City; and Department of Medicine (J.E.M.) and Channing Division of Network Medicine (A.A.), Brigham and Women's Hospital, Harvard Medical School, Boston, MA
| | - Alberto Ascherio
- From the Departments of Nutrition (K.B., É.J.O., Z.Z., A.A.) and Epidemiology (J.E.M., A.A.), Harvard T.H. Chan School of Public Health, Boston, MA; School of Public Health (É.J.O.), College of Medicine, University College Cork, Ireland; Department of Neurology (J.D.B., M.A.S.), Massachusetts General Hospital (S.P.), Boston; Metabolomics Platform (C.B.C., S.J.), Broad Institute of Massachusetts Institute of Technology and Harvard, Cambridge; Department of Oncology (I.K.), Karmanos Cancer Institute, Wayne State University School of Medicine, Detroit, MI; Epidemiology Program (L.N.K., L.L.M.), University of Hawaii Cancer Center, Honolulu; Epidemiology Research Program (M.L.M.), American Cancer Society, Atlanta, GA; Department of Physical Medicine and Rehabilitation (S.P.), Spaulding Rehabilitation Hospital, Charlestown; Harvard Medical School (S.P., M.A.S.), Boston, MA; Department of Epidemiology (E.O.T.), Graduate School of Public Health, University of Pittsburgh, PA; Department of Epidemiology (R.B.W.), College of Public Health, University of Iowa, Iowa City; and Department of Medicine (J.E.M.) and Channing Division of Network Medicine (A.A.), Brigham and Women's Hospital, Harvard Medical School, Boston, MA
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