Structural biology of complement receptors

The complement system plays crucial roles in a wide breadth of immune and inflammatory processes and is frequently cited as an etiological or aggravating factor in many human diseases, from asthma to cancer. Complement receptors encompass at least eight proteins from four structural classes, orchest...

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Main Authors: Jorge Santos-López, Karla de la Paz, Francisco J. Fernández, M. Cristina Vega
Format: Article
Language:English
Published: Frontiers Media S.A. 2023-09-01
Series:Frontiers in Immunology
Subjects:
Online Access:https://www.frontiersin.org/articles/10.3389/fimmu.2023.1239146/full
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author Jorge Santos-López
Karla de la Paz
Karla de la Paz
Francisco J. Fernández
M. Cristina Vega
author_facet Jorge Santos-López
Karla de la Paz
Karla de la Paz
Francisco J. Fernández
M. Cristina Vega
author_sort Jorge Santos-López
collection DOAJ
description The complement system plays crucial roles in a wide breadth of immune and inflammatory processes and is frequently cited as an etiological or aggravating factor in many human diseases, from asthma to cancer. Complement receptors encompass at least eight proteins from four structural classes, orchestrating complement-mediated humoral and cellular effector responses and coordinating the complex cross-talk between innate and adaptive immunity. The progressive increase in understanding of the structural features of the main complement factors, activated proteolytic fragments, and their assemblies have spurred a renewed interest in deciphering their receptor complexes. In this review, we describe what is currently known about the structural biology of the complement receptors and their complexes with natural agonists and pharmacological antagonists. We highlight the fundamental concepts and the gray areas where issues and problems have been identified, including current research gaps. We seek to offer guidance into the structural biology of the complement system as structural information underlies fundamental and therapeutic research endeavors. Finally, we also indicate what we believe are potential developments in the field.
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spelling doaj.art-0d75dd56293040a1bad7ab0c6e76312d2023-09-11T10:50:49ZengFrontiers Media S.A.Frontiers in Immunology1664-32242023-09-011410.3389/fimmu.2023.12391461239146Structural biology of complement receptorsJorge Santos-López0Karla de la Paz1Karla de la Paz2Francisco J. Fernández3M. Cristina Vega4Centro de Investigaciones Biológicas Margarita Salas, Consejo Superior de Investigaciones Científicas (CSIC), Madrid, SpainCentro de Investigaciones Biológicas Margarita Salas, Consejo Superior de Investigaciones Científicas (CSIC), Madrid, SpainResearch & Development, Abvance Biotech SL, Madrid, SpainResearch & Development, Abvance Biotech SL, Madrid, SpainCentro de Investigaciones Biológicas Margarita Salas, Consejo Superior de Investigaciones Científicas (CSIC), Madrid, SpainThe complement system plays crucial roles in a wide breadth of immune and inflammatory processes and is frequently cited as an etiological or aggravating factor in many human diseases, from asthma to cancer. Complement receptors encompass at least eight proteins from four structural classes, orchestrating complement-mediated humoral and cellular effector responses and coordinating the complex cross-talk between innate and adaptive immunity. The progressive increase in understanding of the structural features of the main complement factors, activated proteolytic fragments, and their assemblies have spurred a renewed interest in deciphering their receptor complexes. In this review, we describe what is currently known about the structural biology of the complement receptors and their complexes with natural agonists and pharmacological antagonists. We highlight the fundamental concepts and the gray areas where issues and problems have been identified, including current research gaps. We seek to offer guidance into the structural biology of the complement system as structural information underlies fundamental and therapeutic research endeavors. Finally, we also indicate what we believe are potential developments in the field.https://www.frontiersin.org/articles/10.3389/fimmu.2023.1239146/fullcomplementcomplement receptorsstructural biologyCR1/CR2CR3/CR4CRIg
spellingShingle Jorge Santos-López
Karla de la Paz
Karla de la Paz
Francisco J. Fernández
M. Cristina Vega
Structural biology of complement receptors
Frontiers in Immunology
complement
complement receptors
structural biology
CR1/CR2
CR3/CR4
CRIg
title Structural biology of complement receptors
title_full Structural biology of complement receptors
title_fullStr Structural biology of complement receptors
title_full_unstemmed Structural biology of complement receptors
title_short Structural biology of complement receptors
title_sort structural biology of complement receptors
topic complement
complement receptors
structural biology
CR1/CR2
CR3/CR4
CRIg
url https://www.frontiersin.org/articles/10.3389/fimmu.2023.1239146/full
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AT karladelapaz structuralbiologyofcomplementreceptors
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AT franciscojfernandez structuralbiologyofcomplementreceptors
AT mcristinavega structuralbiologyofcomplementreceptors