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Abstract Details

Conjugal Synucleinopathies: A Clinicopathologic Study
Movement Disorders
P7 - Poster Session 7 (11:45 AM-12:45 PM)
3-014
Assess the presence of a synucleinopathy in autopsied conjugal couples.
Preclinical studies have shown that alpha-synuclein can spread through cell-to-cell-transmission, like prion disorders. Whether synuclein transmission occurs between humans is unknown. There have been few reported cases of conjugal Parkinson disease (PD) and multiple system atrophy (MSA), and none of dementia with Lewy bodies (DLB). It remains unclear if shared environmental exposure or transmission between spouses leads to conjugal synucleinopathies or whether it is chance alone.
Neuropathological findings of conjugal couples in the Arizona Study of Aging and Neurodegenerative Disorders (AZSAND) were reviewed. All had annual movement and cognitive testing during life. Each spouse was then diagnosed as PD, DLB, Alzheimer’s disease with Lewy bodies (ADLB), incidental Lewy body disease (ILBD), or having no Lewy bodies.
Ninety conjugal couples (180 cases) were included, mean age of death 88.3±6.7 years. Thirty-two (35.6%) couples had no Lewy bodies. Forty-two (46.7%) couples had one spouse with a synucleinopathy: 10 with PD, 3 DLB, 13 ADLB, and 16 ILBD. There were 16 (17.8%) couples with both spouses having a synucleinopathy: 4 both had PD, 1 had PD and DLB, 4 had PD and ADLB, 2 had PD and ILBD, 1 had DLB and ADLB, 3 had ADLB in both spouses, and 1 had ADLB and ILBD. No couples both had ILBD. No MSA cases were found. The overall prevalence of PD was 25/180 (13.9%), DLB 5/180 (2.8%), ADLB 25/180 (13.9%), and ILBD 19/109 (17.4%). There was no difference in mean age of death between couple groups with a synucleinopathy.
This large series of 90 autopsied conjugal couples only found 16 conjugal couples with synucleinopathies. Both spouses having PD, or PD and DLB was rare, suggesting transmission of synucleinopathy between spouses is unlikely.
Authors/Disclosures
Shannon Y. Chiu, MD, MSc (Mayo Clinic Arizona)
PRESENTER 		Dr. Chiu has received research support from NIH.
Charles H. Adler, MD, PhD, FAAN (Mayo Clinic Arizona) Dr. Adler has received personal compensation in the range of $500-$4,999 for serving as a Consultant for Amneal. Dr. Adler has received personal compensation in the range of $500-$4,999 for serving as a Consultant for Avion. Dr. Adler has received personal compensation in the range of $10,000-$49,999 for serving as a Consultant for CND Life Sci. Dr. Adler has received personal compensation in the range of $5,000-$9,999 for serving as a Consultant for Jazz. Dr. Adler has received personal compensation in the range of $500-$4,999 for serving as a Consultant for Precon. Dr. Adler has received personal compensation in the range of $500-$4,999 for serving as a Consultant for Neurocrine. The institution of Dr. Adler has received research support from NIH. The institution of Dr. Adler has received research support from Michael J. Fox Foundation. The institution of Dr. Adler has received research support from Arizona Biomedical Research Commission. Dr. Adler has received publishing royalties from a publication relating to health care.
Matthew Halverson No disclosure on file
Nan Zhang Nan Zhang has nothing to disclose.
Holly A. Shill, MD, FAAN (Barrow Neurology Clinics) Dr. Shill has received personal compensation in the range of $500-$4,999 for serving as a Consultant for Sage Biogen. Dr. Shill has received personal compensation in the range of $500-$4,999 for serving as a Consultant for Abbvie. Dr. Shill has received personal compensation in the range of $500-$4,999 for serving as a Consultant for KeifeRx. Dr. Shill has received personal compensation in the range of $500-$4,999 for serving as a Consultant for Praxis Precision Medicine. Dr. Shill has received personal compensation in the range of $500-$4,999 for serving as a Consultant for Fasikl Inc. Dr. Shill has received personal compensation in the range of $0-$499 for serving as a Consultant for Boston Scientific. Dr. Shill has received personal compensation in the range of $500-$4,999 for serving as a Consultant for Mitsubishi Tanabe Pharma America.
Erika Driver-Dunckley, MD, FAAN Dr. Driver-Dunckley has nothing to disclose.
Shyamal Mehta, MD, PhD, FAAN (Mayo Clinic, Arizona) Dr. Mehta has received personal compensation in the range of $5,000-$9,999 for serving as a Consultant for Adamas Pharma. Dr. Mehta has received personal compensation in the range of $5,000-$9,999 for serving as a Consultant for Abbott. Dr. Mehta has received personal compensation in the range of $10,000-$49,999 for serving as a Consultant for CNS Ratings.
Alireza Atri, MD, PhD (Banner Sun Health Research Institute) Dr. Atri has received personal compensation in the range of $5,000-$9,999 for serving as a Consultant for Prothena. Dr. Atri has received personal compensation in the range of $10,000-$49,999 for serving as a Consultant for Eisai. Dr. Atri has received personal compensation in the range of $10,000-$49,999 for serving as a Consultant for Novo Nordisk. Dr. Atri has received personal compensation in the range of $10,000-$49,999 for serving as a Consultant for Lundbeck. Dr. Atri has received personal compensation in the range of $5,000-$9,999 for serving as a Consultant for Merck. Dr. Atri has received personal compensation in the range of $500-$4,999 for serving as a Consultant for Life Molecular Imaging. Dr. Atri has received personal compensation in the range of $10,000-$49,999 for serving on a Scientific Advisory or Data Safety Monitoring board for Novo Nordisk. Dr. Atri has received personal compensation in the range of $50,000-$99,999 for serving on a Scientific Advisory or Data Safety Monitoring board for Roche/Genentech. Dr. Atri has received personal compensation in the range of $10,000-$49,999 for serving on a Scientific Advisory or Data Safety Monitoring board for Lunbeck. Dr. Atri has received personal compensation in the range of $500-$4,999 for serving on a Scientific Advisory or Data Safety Monitoring board for ONO. Dr. Atri has received personal compensation in the range of $5,000-$9,999 for serving on a Scientific Advisory or Data Safety Monitoring board for Axsome. Dr. Atri has received personal compensation in the range of $500-$4,999 for serving on a Scientific Advisory or Data Safety Monitoring board for AriBio. Dr. Atri has received personal compensation in the range of $500-$4,999 for serving on a Scientific Advisory or Data Safety Monitoring board for Vaxxinity. The institution of Dr. Atri has received research support from National Institute of Aging (NIA). The institution of Dr. Atri has received research support from AZ Department of Health Services. The institution of Dr. Atri has received research support from Gates Ventures. The institution of Dr. Atri has received research support from Multiple companies, universities & consortia for contracted clinical trials to institution. The institution of Dr. Atri has received research support from Washington University in St. Louis. The institution of Dr. Atri has received research support from Foundation for NIH. The institution of Dr. Atri has received research support from ACTC/NIH. Dr. Atri has received publishing royalties from a publication relating to health care.
John N. Caviness, MD, FAAN (Mayo Clinic) Dr. Caviness has nothing to disclose.
Geidy Serrano Geidy Serrano has nothing to disclose.
David Shprecher, DO, FAAN (Banner Sun Health Research Institute) Dr. Shprecher has received personal compensation for serving as an employee of Banner Health. Dr. Shprecher has received personal compensation in the range of $5,000-$9,999 for serving as a Consultant for Amneal. Dr. Shprecher has received personal compensation in the range of $5,000-$9,999 for serving as a Consultant for Sanders+Parks. Dr. Shprecher has received personal compensation in the range of $5,000-$9,999 for serving as a Consultant for Neurocrine. Dr. Shprecher has received personal compensation in the range of $500-$4,999 for serving as a Consultant for Abbvie. Dr. Shprecher has received personal compensation in the range of $500-$4,999 for serving as a Consultant for Kyowa Kirin. Dr. Shprecher has received personal compensation in the range of $500-$4,999 for serving as a Consultant for Medplace. The institution of Dr. Shprecher has received research support from MJFF. The institution of Dr. Shprecher has received research support from Cognition Therapeutics. The institution of Dr. Shprecher has received research support from Biogen. The institution of Dr. Shprecher has received research support from Neuraly. The institution of Dr. Shprecher has received research support from Jazz Pharmaceuticals. The institution of Dr. Shprecher has received research support from Sanofi Aventis. The institution of Dr. Shprecher has received research support from Annovis. The institution of Dr. Shprecher has received research support from Neurocrine. The institution of Dr. Shprecher has received research support from Teva. The institution of Dr. Shprecher has received research support from Nuvelution. The institution of Dr. Shprecher has received research support from EIP Pharma. Dr. Shprecher has received personal compensation in the range of $500-$4,999 for serving as a Speaker with International Parkinson's and MDS. Dr. Shprecher has received personal compensation in the range of $5,000-$9,999 for serving as a Speaker with Parkinson's Movement Disorder Alliance.
Christine Belden Christine Belden has nothing to disclose.
Marwan N. Sabbagh, MD, FAAN (Barrow Neurological Institute) Dr. Sabbagh has received personal compensation in the range of $5,000-$9,999 for serving as a Consultant for Eisai. Dr. Sabbagh has received personal compensation in the range of $500-$4,999 for serving as a Consultant for Genetech=Roche. Dr. Sabbagh has received personal compensation in the range of $10,000-$49,999 for serving as a Consultant for Novo Nordisk. Dr. Sabbagh has received personal compensation in the range of $500-$4,999 for serving as a Consultant for Lilly. Dr. Sabbagh has received personal compensation in the range of $5,000-$9,999 for serving as a Consultant for Synaptogenix. Dr. Sabbagh has received personal compensation in the range of $500-$4,999 for serving as a Consultant for Signant Health. Dr. Sabbagh has received personal compensation in the range of $10,000-$49,999 for serving as a Consultant for Anavex. Dr. Sabbagh has received personal compensation in the range of $500-$4,999 for serving as a Consultant for Cognito Therapeutics. Dr. Sabbagh has received personal compensation in the range of $500-$4,999 for serving as a Consultant for GSK. Dr. Sabbagh has received personal compensation in the range of $500-$4,999 for serving as a Consultant for Abbvie. Dr. Sabbagh has received personal compensation in the range of $10,000-$49,999 for serving as an officer or member of the Board of Directors for CervoMed. Dr. Sabbagh has stock in Neurotau. Dr. Sabbagh has stock in Seq Biomarque. Dr. Sabbagh has stock in uMethod Health. Dr. Sabbagh has stock in Athira. Dr. Sabbagh has stock in Lighthouse Pharmaceuticals. Dr. Sabbagh has stock in Alzheon. The institution of Dr. Sabbagh has received research support from NIH. The institution of Dr. Sabbagh has received research support from ADDF.
Kathy Long (Banner Health Research Institute) No disclosure on file
Thomas Beach (Banner Sun Health Research Institute) Thomas Beach has received personal compensation in the range of $500-$4,999 for serving as a Consultant for Vivid Genomics. Thomas Beach has received personal compensation in the range of $500-$4,999 for serving on a Speakers Bureau for Roche Diagnostics. The institution of Thomas Beach has received research support from National Institutes of Health. The institution of Thomas Beach has received research support from Michael J Fox Foundation . The institution of Thomas Beach has received research support from State of Arizona.