Results 1 to 10 of about 16,055,310 (231)

Human Factor H (FH) Impairs Protective Meningococcal Anti-FHbp Antibody Responses and the Antibodies Enhance FH Binding [PDF]

open access: yesmBio, 2014
The meningococcal 4CMenB vaccine (Bexsero; Novartis) contains four antigens that can elicit serum bactericidal activity, one of which is factor H (FH)-binding protein (FHbp). FHbp specifically binds human complement FH. When humans are immunized, FHbp is
Isabella Costa   +2 more
doaj   +2 more sources

The interaction between factor H and Von Willebrand factor. [PDF]

open access: yesPLoS ONE, 2013
Complement factor H (fH) is a plasma protein that regulates activation of the alternative pathway, and mutations in fH are associated with a rare form of thrombotic microangiopathy (TMA), known as atypical hemolytic uremic syndrome (aHUS).
Shuju Feng   +8 more
doaj   +3 more sources

Effect of complement Factor H on antibody repertoire and protection elicited by meningococcal capsular group B vaccines containing Factor H binding protein [PDF]

open access: yesHuman Vaccines & Immunotherapeutics, 2020
Bacteria produce surface ligands for host complement regulators including Factor H (FH), which allows the bacteria to evade immunity. Meningococcal Factor H binding protein (FHbp) is both a virulence factor and a vaccine antigen.
Peter T. Beernink
doaj   +2 more sources

Structural analysis of the C-terminal region (modules 18-20) of complement regulator factor H (FH). [PDF]

open access: yesPLoS ONE, 2012
Factor H (FH) is a soluble regulator of the human complement system affording protection to host tissues. It selectively inhibits amplification of C3b, the activation-specific fragment of the abundant complement component C3, in fluid phase and on self ...
Hugh P Morgan   +8 more
doaj   +2 more sources

Assignment of complement components C4 binding protein (C4BP) and factor H (FH) to human chromosome 1q, using cDNA probes

open access: yes, 1988
Using cDNA probes for Factor H (FH) and C4 binding protein (C4BP) on a panel of somatic cell hybrids, we show that both of these genes map to the long arm of chromosome ...
Sim, R. B.   +6 more
core   +8 more sources

Deregulation of Factor H by Factor H-Related Protein 1 Depends on Sialylation of Host Surfaces

open access: yesFrontiers in Immunology, 2021
To discriminate between self and non-self surfaces and facilitate immune surveillance, the complement system relies on the interplay between surface-directed activators and regulators.
Arthur Dopler   +10 more
doaj   +1 more source

A Family Affair: Addressing the Challenges of Factor H and the Related Proteins

open access: yesFrontiers in Immunology, 2021
Inflammation is a common denominator of diseases. The complement system, an intrinsic part of the innate immune system, is a key driver of inflammation in numerous disorders.
Felix Poppelaars   +11 more
doaj   +1 more source

Staphylococcus aureus surface protein SdrE binds complement regulator factor H as an immune evasion tactic. [PDF]

open access: yesPLoS ONE, 2012
Similar to other highly successful invasive bacterial pathogens, Staphylococcus aureus recruits the complement regulatory protein factor H (fH) to its surface to inhibit the alternative pathway of complement.
Julia A Sharp   +7 more
doaj   +1 more source

Mechanism of Borrelia immune evasion by FhbA-related proteins.

open access: yesPLoS Pathogens, 2022
Immune evasion facilitates survival of Borrelia, leading to infections like relapsing fever and Lyme disease. Important mechanism for complement evasion is acquisition of the main host complement inhibitor, factor H (FH). By determining the 2.2 Å crystal
Konstantin Kogan   +6 more
doaj   +1 more source

Complement Factor H Family Proteins Modulate Monocyte and Neutrophil Granulocyte Functions

open access: yesFrontiers in Immunology, 2021
Besides being a key effector arm of innate immunity, a plethora of non-canonical functions of complement has recently been emerging. Factor H (FH), the main regulator of the alternative pathway of complement activation, has been reported to bind to ...
Éva Kárpáti   +7 more
doaj   +1 more source

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