Complement opsonization of HIV‐1 results in a different intracellular processing pattern and enhanced MHC class I presentation by dendritic cells

V Tjomsland, R Ellegård, A Burgener… - European Journal of …, 2013 - Wiley Online Library
Induction of optimal HIV‐1‐specific T‐cell responses, which can contribute to controlling
viral infection in vivo, depends on antigen processing and presentation processes occurring …

Role of complement in immune regulation and its exploitation by virus

KL Cummings, SN Waggoner, R Tacke… - Viral Immunology, 2007 - liebertpub.com
Complement is activated during the early phase of viral infection and promotes destruction
of virus particles as well as the initiation of inflammatory responses. Recently, complement …

Factor I-mediated processing of complement fragments on HIV immune complexes targets HIV to CR2-expressing B cells and facilitates B cell-mediated transmission …

Z Bánki, D Wilflingseder, CG Ammann… - The Journal of …, 2006 - journals.aai.org
Our study demonstrates that binding of complement-opsonized HIV to complement receptor
type 1 on human erythrocytes (E) via C3b fragments is followed by a rapid normal human …

CR4 signaling contributes to a DC-driven enhanced immune response against complement-opsonized HIV-1

M Bermejo-Jambrina, M Blatzer… - Frontiers in …, 2020 - frontiersin.org
Dendritic cells (DCs) possess intrinsic cellular defense mechanisms to specifically inhibit
HIV-1 replication. In turn, HIV-1 has evolved strategies to evade innate immune sensing by …

Complement-opsonized HIV-1 alters cross talk between dendritic cells and natural killer (NK) cells to inhibit NK killing and to upregulate PD-1, CXCR3, and CCR4 on …

R Ellegård, M Khalid, C Svanberg… - Frontiers in …, 2018 - frontiersin.org
Dendritic cells (DCs), natural killer (NK) cells, and T cells play critical roles during primary
HIV-1 exposure at the mucosa, where the viral particles become coated with complement …

[HTML][HTML] Impaired NK cell activation and chemotaxis toward dendritic cells exposed to complement-opsonized HIV-1

R Ellegård, E Crisci, J Andersson… - The Journal of …, 2015 - journals.aai.org
Mucosa resident dendritic cells (DCs) may represent one of the first immune cells that HIV-1
encounters during sexual transmission. The virions in body fluids can be opsonized with …

A novel role for the receptor of the complement cleavage fragment C5a, C5aR1, in CCR5-mediated entry of HIV into macrophages

ME Moreno-Fernandez, J Aliberti… - AIDS Research and …, 2016 - liebertpub.com
The complement system is an ancient pattern recognition system that becomes activated
during all stages of HIV infection. Previous studies have shown that C5a can enhance the …

[PDF][PDF] Float on: lipid rafts in the lifecycle of HIV

D Wilflingseder, H Stoiber - Front Biosci, 2007 - article.imrpress.com
[Frontiers in Bioscience 12, 2124-2135, January 1, 2007] 2124 Float on: lipid rafts in the
lifecycle of HIV Doris Wilflingseder Page 1 [Frontiers in Bioscience 12, 2124-2135, January 1 …

HIV and human complement: inefficient virolysis and effective adherence

Z Bánki, H Stoiber, MP Dierich - Immunology letters, 2005 - Elsevier
Both, HIV envelope proteins gp120 and gp41 can directly activate complement system, even
in the absence of HIV-specific antibodies. During the budding process HIV acquires host …

Complement opsonization of HIV affects primary infection of human colorectal mucosa and subsequent activation of T cells

P Bhattacharya, R Ellegård, M Khalid, C Svanberg… - Elife, 2020 - elifesciences.org
HIV transmission via genital and colorectal mucosa are the most common routes of
dissemination. Here, we explored the effects of free and complement-opsonized HIV on …