Morphological representation of c1q in the aging central nervous system

C Rupprecht, RSJ Sarker, G Rammes - Pharmacopsychiatry, 2022 - thieme-connect.com
… double staining of C1q and glial fibrillary acidic protein (GFAP) … dramatically increases
with normal aging. The expression of C1q at a young age can be related to its function during

C1q, a small molecule with high impact on brain development: putative role for aging processes and the occurrence of Alzheimer's disease

C Rupprecht, R Rupprecht, G Rammes - European archives of psychiatry …, 2021 - Springer
protein, can opsonize neurons and is recognized by microglia by means of its C3 receptor.
Furthermore, the C1q protein … β-amyloid (Aβ) a significant increase of C1q levels occurred [8]. …

Microglial-derived C1q integrates into neuronal ribonucleoprotein complexes and impacts protein homeostasis in the aging brain

N Scott-Hewitt, M Mahoney, Y Huang, N Korte… - Cell, 2024 - cell.com
… an age-specific increase in protein translation in C1qdeficient neurons, indicating that C1q
… Recent findings demonstrate that another protein containing an IDR, MEG-3, stabilizes LLPS-…

C1q and central nervous system disorders

W Zhang, Y Chen, H Pei - Frontiers in Immunology, 2023 - frontiersin.org
C1q, C3, and C4, as well as the complement proteins C1q … , especially as age increases
and the degree of brain damage … However, due to its rapid growth rate and poor treatment …

Immune proteins C1q and CD47 may contribute to aberrant microglia-mediated synapse loss in the aging monkey brain that is associated with cognitive impairment

SA DeVries, B Conner, C Dimovasili, TL Moore… - Geroscience, 2024 - Springer
… Table 3, there was a significant increase in C1q-PSD95 … C1q and CD47 favors phagocytosis
conditions during aging, we investigated whether microglia morphology changed with age

Complement C1q-dependent excitatory and inhibitory synapse elimination by astrocytes and microglia in Alzheimer's disease mouse models

B Dejanovic, T Wu, MC Tsai, D Graykowski… - Nature Aging, 2022 - nature.com
proteins are increased in Tau P301S synapse fractions with … brain volume longitudinally at
3, 6 and 9 months of age. … KO versus WT hippocampi, we observed a significant increase in …

Classical complement cascade initiating C1q protein within neurons in the aged rhesus macaque dorsolateral prefrontal cortex

D Datta, SN Leslie, YM Morozov, A Duque… - Journal of …, 2020 - Springer
C1q in the microglia was also seen in the aged mouse brain [… in initiating complement signaling
in the aged brain. Given the … a significant increase in the C1qA levels in aged rats (Fig. 7A…

Glia-Selective Deletion of Complement C1q Prevents Radiation-Induced Cognitive Deficits and Neuroinflammation

M Markarian, RP Krattli Jr, JD Baddour, L Alikhani… - Cancer research, 2021 - AACR
… alterations in CNS complement cascade proteins (C1q, C3), TLR4… knockdown of microglial
C1q by 8 weeks of age, in absence of … depletion of C1q in the brain without altering C1q in the …

The complement system, aging, and aging-related diseases

R Zheng, Y Zhang, K Zhang, Y Yuan, S Jia… - International Journal of …, 2022 - mdpi.com
… Such deleterious effects are part and parcel of the aging process [52]. C1qbp (C1q binding
protein) is a mitochondrial protein. A study suggests a specific function of C1qbp in the brain

Neuroprotective versus neuroinflammatory roles of complement: from development to disease

M Kanmogne, RS Klein - Trends in neurosciences, 2021 - cell.com
… humoral response, through initiating proteins such as C1q that bind … proteins are also made
within the normal and diseased CNS … homeostatic processes during development and aging. …