Robin M Voigt-Zuwala Rush University Medical Center Robin… · 2 Parkinson’s Action Network,...
Transcript of Robin M Voigt-Zuwala Rush University Medical Center Robin… · 2 Parkinson’s Action Network,...
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Robin M Voigt-Zuwala
Rush University Medical Center
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2 Parkinson’s Action Network, National Center for Health Statistics
Motor Symptoms
Resting Tremor
Rigidity
Bradykinesia/Akinesia
Postural Instability
Non-Motor Symptoms
Depression
Apathy
Fatigue
Dementia
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Dopamine Hypothesis
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4 Olanow et al, Neurology Neurology: 72, 2009
Years-Decades before PD
Olfactory Deficits
Chronic Constipation
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Qin et al, Fundamental Clin Pharmacol, 2008
Liu et al, Neurotoxicology, 2008
PD-like
symptoms
LPS
Forsyth et al, PLoS One: 6(12), 2011
HC PD
Α-Syn
2y pre diagnosis
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Microbiota
Barrier Integrity
Inflammation
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Increased Pro-Inflammatory Bacteria Akkermansia
Oscillospira
Bacteroides
Decreased Anti-Inflammatory Bacteria Blautia
Copprococcus
Roseburia
PICRUSt Analysis Increased Type III secretion proteins
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Keshavarzian et al, Mov Disorders: 30(10), 2015
Blautia
p=0.03*
HC Feces
(n=31)
PD Feces
(n=34)
0
10
20
30
40
50
% A
bu
nd
an
ce
Coprococcus
p=0.03*
HC Feces
(n=31)
PD Feces
(n=34)
0
5
10
15
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Forsyth et al, PLoS One: 6(12), 2011
PD
HC
E. Coli Sugar Test
Administer: Sucralose,
Sucrose, Lactulose, Mannitol
Measure: Urinary sugar
content
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9 Forsyth et al, PLoS One: 6(12), 2011
Increased mRNA:
Tlr4, Irak2, Tollip, Il1b, Il17a,
Ifng, Ifnb1, Il7r, Il8, Ccl5, Ccr5
HC
PD
3-NT
Α-Syn
2y pre-diagnosis
5y pre-diagnosis
HC
PD
PD
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Microbiota
Barrier Integrity
Inflammation
Circadian
Rhythm
Disruption
Causes: Intestinal Dysbiosis,
Intestinal Leakiness,
Intestinal Inflammation
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Videnovic et al, JAMA Neurol: 71(4), 2013
• Lower melatonin amplitude &
AUC (Videnovic et al 2014, Breen et al 2014)
• Altered Bmal1/2 & Per1 levels (Breen et al 2014, Gu et al 2015, Ding et al 2011, Cai
et al 2011)
• Altered rest/activity rhythms (Lees et al 1988, Tandberg et al 1998, Rye et al 2000,
Abbott et al 2005, Van Hilton et al 1991, 1993, 1994,
Bonuccelli et al 2000, Whitehead et al 2008)
• Altered body temp regulation (Suzuki et al 2007)
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Future studies will be
necessary to fully
characterize circadian
rhythms in PD
Circadian
Disruption
Intestinal Dysbiosis,
Barrier Dysfunction, &
Inflammation
Parkinson’s
Disease
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• Ali Keshavarzian
• Kathleen Shannon
• Christopher Forsyth
• Hemraj Dodiya
• Phillip Engen
• Maliha Shaikh
Mr. & Mrs. Larry Field