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The hinge-engineered IgG1-IgG3 hybrid subclass IgGh47 potently enhances Fc-mediated function of anti-streptococcal and SARS-CoV-2 antibodies
Streptococcus pyogenes can cause invasive disease with high mortality despite adequate antibiotic treatments. To address this unmet need, we have previously generated an opsonic IgG1 monoclonal antibody, Ab25, targeting the bacterial M protein. Here, we engineer the IgG2-4 subclasses of Ab25. Despite having reduced binding, the IgG3 version promotes stronger phagocytosis of bacteria. Using atomic
Anti-D initially stimulates an Fc-dependent leukocyte oxidative burst and subsequently suppresses erythrophagocytosis via interleukin-1 receptor antagonist
Fc{gamma}RIIB Inhibits the Development of Atherosclerosis in Low-Density Lipoprotein Receptor-Deficient Mice.
The immune processes associated with atherogenesis have received considerable attention during recent years. IgG FcRs (FcgammaR) are involved in activating the immune system and in maintaining peripheral tolerance. However, the role of the inhibitory IgG receptor FcgammaRIIB in atherosclerosis has not been defined. Bone marrow cells from FcgammaRIIB-deficient mice and C57BL/6 control mice were tra
A Monosaccharide Residue Is Sufficient to Maintain Mouse and Human IgG Subclass Activity and Directs IgG Effector Functions to Cellular Fc Receptors.
Immunoglobulin G (IgG) glycosylation modulates antibody activity and represents a major source of heterogeneity within antibody preparations. Depending on their glycosylation pattern, individual IgG glycovariants present in recombinant antibody preparations may trigger effects ranging from enhanced pro-inflammatory activity to increased anti-inflammatory activity. In contrast, reduction of IgG gly
Early TCR alpha beta expression promotes maturation of T cells expressing Fc epsilon RI gamma containing TCR/CD3 complexes
In a previous study we presented data indicating that the expanded population of CD4(-)CD8(-) (DN) alphabeta T cells in TCRalpha-chain-transgenic mice was partially if not entirely derived from gammadelta T cell lineage cells. The development of both gammadelta T cells and DN alphabeta T cells is poorly understood; therefore, we thought it would be important to identify the immediate precursors of
Immunoglobulin Superantigen Protein L Induces IL-4 and IL-13 Secretion from Human Fc varepsilon RI(+) Cells Through Interaction with the kappa Light Chains of IgE.
Measurement of Fc(c)over-bar(2) and Fb(b)over-bar(2) at low Q(2) and x using the H1 vertex detector at HERA
Measurements are presented of inclusive charm and beauty cross sections in e(+)p collisions at HERA for values of photon virtuality 12 <= Q(2) = 60 GeV2 and of the Bjorken scaling variable 0.0002 <= x <= 0.005. The fractions of events containing charm and beauty quarks are determined using a method based on the impact parameter, in the transverse plane, of tracks to the primary vertex, as measured
A role for PKC-epsilon in Fc gamma R-mediated phagocytosis by RAW 264.7 cells
Protein kinase C (PKC) plays a prominent role in immune signaling, and the paradigms for isoform selective signaling are beginning to be elucidated. Real-time microscopy was combined with molecular and biochemical approaches to demonstrate a role for PKC-epsilon in Fcgamma receptor (FcgammaR)-dependent phagocytosis. RAW 264.7 macrophages were transfected with GFP-conjugated PKC isoforms, and GFP m
Critical role for complement receptor 3 (CD11b/CD18), but not for Fc receptors, in killing of Streptococcus pyogenes by neutrophils in human immune serum.
Functional Variants of Fc Gamma Receptor (FCGR2A) and FCGR3A Are Not Associated with Susceptibility to Systemic Sclerosis in a Large European Study (EUSTAR).
OBJECTIVE: To investigate the possible role of FCGR2A 519A>G and FCGR3A 559A>C functional polymorphisms in the genetic predisposition to susceptibility to systemic sclerosis (SSc) or clinical phenotype. METHODS: A total of 1566 patients with SSc and 2271 geographically matched controls were included in our study. We analyzed the genotype and allele frequencies of the FCGR2A 519A>G and FCGR3A 559A>
Recombinant factor IX Fc for the treatment of hemophilia B
Current hemophilia B treatment guidelines recommend routine prophylaxis with factor IX (FIX) replacement products, tailored to maintain plasma activity at levels that will prevent bleeds. However, plasma FIX activity may not be the primary determinant or best indicator of hemostatic efficacy due to its extravascular distribution. FIX replacement therapy has evolved to include extended half-life (E
Reply to Pandey: IgG3 allotypes, modulation of antigen binding by constant domain changes, and therapeutic applications of Fc engineering
Polymorphisms of the Fc gamma receptor type IIB gene are not associated with systemic lupus erythematosus in the Swedish population
Labelling β-D-xylopyranose with 6FC to facilitate in vivo studies of the biosynthetic pathway of GAGs
Proteoglykaner är makromolekyler som finns i många djur, däribland människan. Proteoglykaner består av ett centralt protein som är kovalent bundet till en eller flera glykosaminoglykaner, en lång, laddad sockerkedja som är syntetiserad i celler. Både proteoglykaner och fria glykosaminoglykaner spelar en stor roll i djurs biologi, till exempel som ligander för tillväxtfaktorer eller som struktureleProteoglycans are macromolecules that play a vital role in mammals, acting as structural elements and ligands for proteins. Proteoglycans consist of a protein core, as well as one or more glycosaminoglycan, a saccharide chain synthesised by cells. This biosynthesis starts through the xylosylation of a serine residue of the core protein, that the glycosaminoglycan is subsequently built on. In vivo
Real-world prophylactic usage of recombinant factor VIII Fc in Sweden : A report from the Swedish national registry for bleeding disorders
ABO zygosity, but not secretor or Fc receptor status, is a significant risk factor for IVIG-Associated hemolysis
Real-world prophylactic usage of recombinant factor IX Fc in Sweden : A report from the Swedish National Registry for bleeding disorders
Kvalitetspolicy För Lunds Universitet
Lägg till titel FÖRSÄTTSSIDA STYRDOKUMENT Kvalitetspolicy för Lunds universitet Typ av styrdokument: Policy Definition av typen av styrdokument: En policy uttrycker ledningens övergripande viljeriktning eller värden som ska beaktas inom det område policyn omfattar och sätter ramarna för ett visst handlande och utgör en stark rekommendation om ett visst handlingssätt. Beslutsfattare: Universitetsst
The potential for shared value creation on the blockchain: A qualitative analysis of new blockchain ventures and their ICOs
A shift in new venture creation can be observed from purely profit-oriented models to alternatives attempting to also answer social and environmental needs. Because of their nature, these alternatives face issues regarding their integration in traditional financial and business spheres. Shared Value Creation is a framework that attempts to analyse these ventures and those challenges. Blockchain te