Results 81 to 90 of about 24,276 (249)

Functional receptor for C3a anaphylatoxin is expressed by normal hematopoietic stem/progenitor cells, and C3a enhances their homing-related responses to SDF-1 [PDF]

open access: yes, 2003
Complement has recently been implicated in developmental pathways and noninflammatory processes. The expression of various complement components and receptors has been shown in a wide range of circulating myeloid and lymphoid cells, but their role in ...
L. A   +12 more
core   +1 more source

Complement effectors, C5a and C3a, in cystic fibrosis lung fluid correlate with disease severity. [PDF]

open access: yesPLoS ONE, 2017
In cystic fibrosis (CF), lung damage is mediated by a cycle of obstruction, infection, inflammation and tissue destruction. The complement system is a major mediator of inflammation for many diseases with the effectors C5a and C3a often playing important
Pamela S Hair   +5 more
doaj   +1 more source

Changes in complement activation products after anti-VEGF injection for choroidal neovascularization in age-related macular degeneration and pachychoroid disease

open access: yesScientific Reports, 2021
We evaluated changes in the complement system resulting from anti-vascular endothelial growth factor (VEGF) in eyes with age-related choroidal neovascularization (CNV) including neovascular age-related macular degeneration, pachychoroid neovasculopathy ...
Keiichiro Tanaka   +13 more
doaj   +1 more source

Characterization of Synthetic C3a Analog Peptides on Human Eosinophils in Comparison to the Native Complement Component C3a [PDF]

open access: yesThe Journal of Immunology, 2000
Abstract The C3a anaphylatoxin is a potent proinflammatory mediator derived from the complement system inducing biologic effects of human eosinophils like Ca2+ transients and the activation of the respiratory burst. These findings support an important role for C3a in diseases typically associated with a peripheral blood or tissue ...
H, Petering   +7 more
openaire   +2 more sources

Retro‐Hetero‐Michael Addition Strategies in Organic Synthesis

open access: yesEuropean Journal of Organic Chemistry, EarlyView.
In this review, synthetic approaches to carbo‐ and heterocyclic compounds, including natural products, published in the last 15 years (2011–2025) which have either relied upon or included a retro‐hetero‐Michael addition step at any stage are discussed.
Dina Scarpi, Ernesto G. Occhiato
wiley   +1 more source

Is the complement activation product C3a a proinflammatory molecule? Re-evaluating the evidence and the myth [PDF]

open access: yes, 2015
The complement activation product C3a is often described as a proinflammatory mediator, alongside its downstream cousin, C5a. However, emerging studies show that C3a has several anti-inflammatory facets in vivo.
Coulthard, Liam G., Woodruff, Trent M.
core   +1 more source

C3a receptor antagonist ameliorates inflammatory and fibrotic signals in type 2 diabetic nephropathy by suppressing the activation of TGF-β/smad3 and IKBα pathway.

open access: yesPLoS ONE, 2014
ObjectiveDiabetic nephropathy (DN) is a serious complication for patients with diabetes mellitus (DM). Emerging evidence suggests that complement C3a is involved in the progression of DN.
Ling Li   +9 more
doaj   +1 more source

A Multicenter, Open‐Label, Phase 2 Trial Comparing Crizanlizumab Combined With Standard Therapy to Standard Therapy Alone on Renal Function in Patients With Sickle Cell Nephropathy (STEADFAST)

open access: yes
American Journal of Hematology, EarlyView.
Kenneth I. Ataga   +8 more
wiley   +1 more source

Quadruplex Bioactive FAND for Treating Acute Liver Failure Induced by Acetaminophen or Hepatectomy

open access: yesExploration, EarlyView.
This work developed a bioactive quadruplex FANDHP@FuEVs with intrinsic inflammation‐targeting properties of M2‐EVs and MSC‐EVs, harnessing the synergistic biological activities by leveraging four natural active components—M2‐EVs, MSC‐EVs, HGF, and PPC—to deliver pleiotropic therapies, including antioxidant, anti‐inflammatory, pro‐regenerative, and M1 ...
Meng Sun   +10 more
wiley   +1 more source

Complement C3a promotes the formation of osteoclasts by inhibiting Sirt1 to activate the PI3K/PDK1/SGK3 pathway in patients with multiple myeloma

open access: yesJournal of Translational Medicine
Background Myeloma bone disease (MBD) is the most common complication of multiple myeloma (MM). Our previous study showed that the complement C3a activates osteoclasts to participate in the pathogenesis of MBD; however, its mechanism of action is diverse
Fengjuan Jiang   +9 more
doaj   +1 more source

Home - About - Disclaimer - Privacy