Results 11 to 20 of about 82,726 (255)

Analysis of C3 suggests three periods of positive selection events and different evolutionary patterns between fish and mammals. [PDF]

open access: yesPLoS ONE, 2012
BACKGROUND: The third complement component (C3) is a central protein of the complement system conserved from fish to mammals. It also showed distinct characteristics in different animal groups.
Fanxing Meng   +5 more
doaj   +1 more source

Complement C3 deficiency alleviates alkylation-induced retinal degeneration in mice

open access: yesEye and Vision, 2022
Background It has been found that the extensive use of anticancer drugs containing DNA-alkylating agents not only target cancer cells but also cause retinal inflammation through toxic intermediates.
Lu Du, Guang-Hua Peng
doaj   +1 more source

Podocytes Produce and Secrete Functional Complement C3 and Complement Factor H

open access: yesFrontiers in Immunology, 2020
Podocytes are an important part of the glomerular filtration barrier and the key player in the development of proteinuria, which is an early feature of complement mediated renal diseases.
Anne K. Mühlig   +14 more
doaj   +1 more source

Circulating Complement Levels and C3 Glomerulopathy [PDF]

open access: yesClinical Journal of the American Society of Nephrology, 2014
The complement system is an essential part of innate immunity acting as a first-line defense against infection and provides an interface between innate and adaptive immunity ([1][1],[2][2]). It consists of a network of soluble (fluid phase) and cell membrane proteins (solid phase).
Fernando C, Fervenza, Sanjeev, Sethi
openaire   +2 more sources

Correlation between serum level of complement C3 and abdominal aortic calcification in maintenance hemodialysis patients

open access: yesLinchuang shenzangbing zazhi, 2021
Objective To explore the correlation between serum level of complement C3 and abdominal aortic calcification(AAC)in maintenance hemodialysis(MHD)patients.Methods A total of 127 MHD patients hospitalized between February 2019 and December 2019 were ...
Zhao Xin, Bi Chun-sheng
doaj  

Complement C3 Is Activated in Human AD Brain and Is Required for Neurodegeneration in Mouse Models of Amyloidosis and Tauopathy

open access: yesCell Reports, 2019
Summary: Complement pathway overactivation can lead to neuronal damage in various neurological diseases. Although Alzheimer’s disease (AD) is characterized by β-amyloid plaques and tau tangles, previous work examining complement has largely focused on ...
Tiffany Wu   +21 more
doaj   +1 more source

Linking Complement C3 and B Cells in Nasal Polyposis

open access: yesJournal of Immunology Research, 2020
Nasal polyposis often is characterized by a persistent inflammation of the sinonasal mucosa, disease recurrence after medical or surgical intervention, and asthma comorbidity.
Ulrike Werner   +7 more
doaj   +1 more source

Systemic complement activation levels in Stargardt disease.

open access: yesPLoS ONE, 2021
PurposePreclinical research provides evidence for the complement system as a potential common pathway in Stargardt disease (STGD1) and age-related macular degeneration (AMD) leading to retinal pigment epithelium (RPE) loss.
Patty P A Dhooge   +6 more
doaj   +1 more source

Recurrent pyogenic infections caused by a novel Gln1420* mutation in the C3 gene

open access: yesFrontiers in Pediatrics, 2022
C3 is a crucial protein of the complement system. Congenital C3 deficiency is extremely rare and manifests through recurrent, severe infections and should always be considered as a differential diagnosis of recurrent pyogenic infections. We report a case
Pedro Simão Coelho   +8 more
doaj   +1 more source

Conformational Complexity of Complement Component C3

open access: yes, 2007
The structures of native C3 and its major fragment C3c have provided a wealth of structural insights into the central protein of the complement system. The proteolytic activation steps, generating the important fragments C3b and iC3b, are thought to induce significant conformational changes in the molecule, yielding protein molecules with distinct ...
Janssen, B.J.C., Gros, P.
openaire   +7 more sources

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