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Thalamic gray matte...
Thalamic gray matter volume mediates the association between KIBRA polymorphism and olfactory function among older adults : a population-based study
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Song, Lin (author)
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Han, Xiaodong (author)
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- Li, Yuanjing (author)
- Stockholms universitet,Centrum för forskning om äldre och åldrande (ARC), (tills m KI)
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Han, Xiaolei (author)
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Zhao, Mingqing (author)
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Li, Chunyan (author)
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Wang, Pin (author)
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Wang, Jiafeng (author)
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Dong, Yi (author)
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Cong, Lin (author)
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Han, Xiaojuan (author)
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Hou, Tingting (author)
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Liu, Keke (author)
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Wang, Yongxiang (author)
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- Qiu, Chengxuan (author)
- Karolinska Institutet,Stockholms universitet,Centrum för forskning om äldre och åldrande (ARC), (tills m KI),Shandong University, China; Shandong Provincial Hospital Affiliated to Shandong First Medical University, China
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Du, Yifeng (author)
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(creator_code:org_t)
- 2022-08-16
- 2022
- English.
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In: Cerebral Cortex. - : Oxford University Press (OUP). - 1047-3211 .- 1460-2199. ; 33:7, s. 3664-3673
- Related links:
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https://doi.org/10.1...
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https://urn.kb.se/re...
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https://doi.org/10.1...
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http://kipublication...
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Abstract
Subject headings
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- The kidney and brain expressed protein (KIBRA) rs17070145 polymorphism is associated with both structure and activation of the olfactory cortex. However, no studies have thus far examined whether KIBRA can be linked with olfactory function and whether brain structure plays any role in the association. We addressed these questions in a population-based cross-sectional study among rural-dwelling older adults. This study included 1087 participants derived from the Multidomain Interventions to Delay Dementia and Disability in Rural China, who underwent the brain MRI scans in August 2018 to October 2020; of these, 1016 took the 16-item Sniffin’ Sticks identification test and 634 (62.40%) were defined with olfactory impairment (OI). Data were analyzed using the voxel-based morphometry analysis and general linear, logistic, and structural equation models. The KIBRA rs17070145 C-allele (CC or CT vs. TT genotype) was significantly associated with greater gray matter volume (GMV) mainly in the bilateral orbitofrontal cortex and left thalamus (P < 0.05) and with the multi-adjusted odds ratio of 0.73 (95% confidence interval 0.56–0.95) for OI. The left thalamic GMV could mediate 8.08% of the KIBRA-olfaction association (P < 0.05). These data suggest that the KIBRA rs17070145 C-allele is associated with a reduced likelihood of OI among older adults, partly mediated through left thalamic GMV.
Subject headings
- MEDICIN OCH HÄLSOVETENSKAP -- Klinisk medicin -- Neurologi (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Clinical Medicine -- Neurology (hsv//eng)
Keyword
- MRI
- old age
- orbitofrontal cortex
- thalamus
- voxel-based morphometry
Publication and Content Type
- ref (subject category)
- art (subject category)
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- By the author/editor
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Song, Lin
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Han, Xiaodong
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Li, Yuanjing
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Han, Xiaolei
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Zhao, Mingqing
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Li, Chunyan
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show more...
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Wang, Pin
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Wang, Jiafeng
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Dong, Yi
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Cong, Lin
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Han, Xiaojuan
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Hou, Tingting
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Liu, Keke
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Wang, Yongxiang
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Qiu, Chengxuan
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Du, Yifeng
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show less...
- About the subject
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- MEDICAL AND HEALTH SCIENCES
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MEDICAL AND HEAL ...
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and Clinical Medicin ...
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and Neurology
- Articles in the publication
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Cerebral Cortex
- By the university
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Stockholm University
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Karolinska Institutet