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Neurology Genetics
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June 2018; 4 (3) ArticleOpen Access

Neurodegeneration as the presenting symptom in 2 adults with xeroderma pigmentosum complementation group F

Niraj M. Shanbhag, Michael D. Geschwind, John J. DiGiovanna, Catherine Groden, Rena Godfrey, Matthew J. Yousefzadeh, Erin A. Wade, Laura J. Niedernhofer, May Christine V. Malicdan, Kenneth H. Kraemer, William A. Gahl, Camilo Toro
First published June 8, 2018, DOI: https://doi.org/10.1212/NXG.0000000000000240
Niraj M. Shanbhag
From the Department of Neurology (N.M.S., M.D.G.), University of California San Francisco, CA; Laboratory of Cancer Biology and Genetics (J.J.D., K.H.K.), Center for Cancer Research, National Cancer Institute, National Institutes of Health; NIH Undiagnosed Diseases Program (C.G., R.G., M.C.V.M., W.A.G., C.T.), National Human Genome Research Institute, National Institutes of Health, Bethesda, MD; and Department of Molecular Medicine (M.J.Y., E.A.W., L.J.N.), Center on Aging, The Scripps Research Institute, Jupiter, FL.
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Michael D. Geschwind
From the Department of Neurology (N.M.S., M.D.G.), University of California San Francisco, CA; Laboratory of Cancer Biology and Genetics (J.J.D., K.H.K.), Center for Cancer Research, National Cancer Institute, National Institutes of Health; NIH Undiagnosed Diseases Program (C.G., R.G., M.C.V.M., W.A.G., C.T.), National Human Genome Research Institute, National Institutes of Health, Bethesda, MD; and Department of Molecular Medicine (M.J.Y., E.A.W., L.J.N.), Center on Aging, The Scripps Research Institute, Jupiter, FL.
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John J. DiGiovanna
From the Department of Neurology (N.M.S., M.D.G.), University of California San Francisco, CA; Laboratory of Cancer Biology and Genetics (J.J.D., K.H.K.), Center for Cancer Research, National Cancer Institute, National Institutes of Health; NIH Undiagnosed Diseases Program (C.G., R.G., M.C.V.M., W.A.G., C.T.), National Human Genome Research Institute, National Institutes of Health, Bethesda, MD; and Department of Molecular Medicine (M.J.Y., E.A.W., L.J.N.), Center on Aging, The Scripps Research Institute, Jupiter, FL.
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Catherine Groden
From the Department of Neurology (N.M.S., M.D.G.), University of California San Francisco, CA; Laboratory of Cancer Biology and Genetics (J.J.D., K.H.K.), Center for Cancer Research, National Cancer Institute, National Institutes of Health; NIH Undiagnosed Diseases Program (C.G., R.G., M.C.V.M., W.A.G., C.T.), National Human Genome Research Institute, National Institutes of Health, Bethesda, MD; and Department of Molecular Medicine (M.J.Y., E.A.W., L.J.N.), Center on Aging, The Scripps Research Institute, Jupiter, FL.
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Rena Godfrey
From the Department of Neurology (N.M.S., M.D.G.), University of California San Francisco, CA; Laboratory of Cancer Biology and Genetics (J.J.D., K.H.K.), Center for Cancer Research, National Cancer Institute, National Institutes of Health; NIH Undiagnosed Diseases Program (C.G., R.G., M.C.V.M., W.A.G., C.T.), National Human Genome Research Institute, National Institutes of Health, Bethesda, MD; and Department of Molecular Medicine (M.J.Y., E.A.W., L.J.N.), Center on Aging, The Scripps Research Institute, Jupiter, FL.
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Matthew J. Yousefzadeh
From the Department of Neurology (N.M.S., M.D.G.), University of California San Francisco, CA; Laboratory of Cancer Biology and Genetics (J.J.D., K.H.K.), Center for Cancer Research, National Cancer Institute, National Institutes of Health; NIH Undiagnosed Diseases Program (C.G., R.G., M.C.V.M., W.A.G., C.T.), National Human Genome Research Institute, National Institutes of Health, Bethesda, MD; and Department of Molecular Medicine (M.J.Y., E.A.W., L.J.N.), Center on Aging, The Scripps Research Institute, Jupiter, FL.
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Erin A. Wade
From the Department of Neurology (N.M.S., M.D.G.), University of California San Francisco, CA; Laboratory of Cancer Biology and Genetics (J.J.D., K.H.K.), Center for Cancer Research, National Cancer Institute, National Institutes of Health; NIH Undiagnosed Diseases Program (C.G., R.G., M.C.V.M., W.A.G., C.T.), National Human Genome Research Institute, National Institutes of Health, Bethesda, MD; and Department of Molecular Medicine (M.J.Y., E.A.W., L.J.N.), Center on Aging, The Scripps Research Institute, Jupiter, FL.
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Laura J. Niedernhofer
From the Department of Neurology (N.M.S., M.D.G.), University of California San Francisco, CA; Laboratory of Cancer Biology and Genetics (J.J.D., K.H.K.), Center for Cancer Research, National Cancer Institute, National Institutes of Health; NIH Undiagnosed Diseases Program (C.G., R.G., M.C.V.M., W.A.G., C.T.), National Human Genome Research Institute, National Institutes of Health, Bethesda, MD; and Department of Molecular Medicine (M.J.Y., E.A.W., L.J.N.), Center on Aging, The Scripps Research Institute, Jupiter, FL.
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May Christine V. Malicdan
From the Department of Neurology (N.M.S., M.D.G.), University of California San Francisco, CA; Laboratory of Cancer Biology and Genetics (J.J.D., K.H.K.), Center for Cancer Research, National Cancer Institute, National Institutes of Health; NIH Undiagnosed Diseases Program (C.G., R.G., M.C.V.M., W.A.G., C.T.), National Human Genome Research Institute, National Institutes of Health, Bethesda, MD; and Department of Molecular Medicine (M.J.Y., E.A.W., L.J.N.), Center on Aging, The Scripps Research Institute, Jupiter, FL.
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Kenneth H. Kraemer
From the Department of Neurology (N.M.S., M.D.G.), University of California San Francisco, CA; Laboratory of Cancer Biology and Genetics (J.J.D., K.H.K.), Center for Cancer Research, National Cancer Institute, National Institutes of Health; NIH Undiagnosed Diseases Program (C.G., R.G., M.C.V.M., W.A.G., C.T.), National Human Genome Research Institute, National Institutes of Health, Bethesda, MD; and Department of Molecular Medicine (M.J.Y., E.A.W., L.J.N.), Center on Aging, The Scripps Research Institute, Jupiter, FL.
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William A. Gahl
From the Department of Neurology (N.M.S., M.D.G.), University of California San Francisco, CA; Laboratory of Cancer Biology and Genetics (J.J.D., K.H.K.), Center for Cancer Research, National Cancer Institute, National Institutes of Health; NIH Undiagnosed Diseases Program (C.G., R.G., M.C.V.M., W.A.G., C.T.), National Human Genome Research Institute, National Institutes of Health, Bethesda, MD; and Department of Molecular Medicine (M.J.Y., E.A.W., L.J.N.), Center on Aging, The Scripps Research Institute, Jupiter, FL.
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Camilo Toro
From the Department of Neurology (N.M.S., M.D.G.), University of California San Francisco, CA; Laboratory of Cancer Biology and Genetics (J.J.D., K.H.K.), Center for Cancer Research, National Cancer Institute, National Institutes of Health; NIH Undiagnosed Diseases Program (C.G., R.G., M.C.V.M., W.A.G., C.T.), National Human Genome Research Institute, National Institutes of Health, Bethesda, MD; and Department of Molecular Medicine (M.J.Y., E.A.W., L.J.N.), Center on Aging, The Scripps Research Institute, Jupiter, FL.
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Citation
Neurodegeneration as the presenting symptom in 2 adults with xeroderma pigmentosum complementation group F
Niraj M. Shanbhag, Michael D. Geschwind, John J. DiGiovanna, Catherine Groden, Rena Godfrey, Matthew J. Yousefzadeh, Erin A. Wade, Laura J. Niedernhofer, May Christine V. Malicdan, Kenneth H. Kraemer, William A. Gahl, Camilo Toro
Neurol Genet Jun 2018, 4 (3) e240; DOI: 10.1212/NXG.0000000000000240

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Abstract

Objective To describe the features of 2 unrelated adults with xeroderma pigmentosum complementation group F (XP-F) ascertained in a neurology care setting.

Methods We report the clinical, imaging, molecular, and nucleotide excision repair (NER) capacity of 2 middle-aged women with progressive neurodegeneration ultimately diagnosed with XP-F.

Results Both patients presented with adult-onset progressive neurologic deterioration involving chorea, ataxia, hearing loss, cognitive deficits, profound brain atrophy, and a history of skin photosensitivity, skin freckling, and/or skin neoplasms. We identified compound heterozygous pathogenic mutations in ERCC4 and confirmed deficient NER capacity in skin fibroblasts from both patients.

Conclusions These cases illustrate the role of NER dysfunction in neurodegeneration and how adult-onset neurodegeneration could be the major symptom bringing XP-F patients to clinical attention. XP-F should be considered by neurologists in the differential diagnosis of patients with adult-onset progressive neurodegeneration accompanied by global brain atrophy and a history of heightened sun sensitivity, excessive freckling, and skin malignancies.

Glossary

CS=
Cockayne syndrome;
MoCA=
Montreal Cognitive Assessment;
NER=
Nucleotide excision repair;
UDP=
Undiagnosed Diseases Program;
UDS=
unscheduled DNA synthesis;
UV=
ultraviolet;
XP=
xeroderma pigmentosum;
XP-F=
XP complementation group F

Footnotes

  • Funding information and disclosures are provided at the end of the article. Full disclosure form information provided by the authors is available with the full text of this article at Neurology.org/NG.

  • The Article Processing Charge was funded by the NIH.

  • Received January 22, 2018.
  • Accepted in final form April 23, 2018.
  • Copyright © 2018 The Author(s). Published by Wolters Kluwer Health, Inc. on behalf of the American Academy of Neurology.

This is an open access article distributed under the terms of the Creative Commons Attribution-NonCommercial-NoDerivatives License 4.0 (CC BY-NC-ND), which permits downloading and sharing the work provided it is properly cited. The work cannot be changed in any way or used commercially without permission from the journal.

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