Teleost Chemokines and Their Receptors

Chemokines are a superfamily of cytokines that appeared about 650 million years ago, at the emergence of vertebrates, and are responsible for regulating cell migration under both inflammatory and physiological conditions. The first teleost chemokine gene was reported in rainbow trout in 1998. Since...

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Main Authors: Steve Bird, Carolina Tafalla
Format: Article
Language:English
Published: MDPI AG 2015-11-01
Series:Biology
Subjects:
Online Access:http://www.mdpi.com/2079-7737/4/4/756
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author Steve Bird
Carolina Tafalla
author_facet Steve Bird
Carolina Tafalla
author_sort Steve Bird
collection DOAJ
description Chemokines are a superfamily of cytokines that appeared about 650 million years ago, at the emergence of vertebrates, and are responsible for regulating cell migration under both inflammatory and physiological conditions. The first teleost chemokine gene was reported in rainbow trout in 1998. Since then, numerous chemokine genes have been identified in diverse fish species evidencing the great differences that exist among fish and mammalian chemokines, and within the different fish species, as a consequence of extensive intrachromosomal gene duplications and different infectious experiences. Subsequently, it has only been possible to establish clear homologies with mammalian chemokines in the case of some chemokines with well-conserved homeostatic roles, whereas the functionality of other chemokine genes will have to be independently addressed in each species. Despite this, functional studies have only been undertaken for a few of these chemokine genes. In this review, we describe the current state of knowledge of chemokine biology in teleost fish. We have mainly focused on those species for which more research efforts have been made in this subject, specially zebrafish (Danio rerio), rainbow trout (Oncorhynchus mykiss) and catfish (Ictalurus punctatus), outlining which genes have been identified thus far, highlighting the most important aspects of their expression regulation and addressing any known aspects of their biological role in immunity. Finally, we summarise what is known about the chemokine receptors in teleosts and provide some analysis using recently available data to help characterise them more clearly.
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spelling doaj.art-11b96129a6eb4a3b84bb23f191dbe3ee2023-08-02T03:34:15ZengMDPI AGBiology2079-77372015-11-014475678410.3390/biology4040756biology4040756Teleost Chemokines and Their ReceptorsSteve Bird0Carolina Tafalla1Biomedical Unit, School of Science, University of Waikato, Waikato 3240, New ZealandAnimal Health Research Center (CISA-INIA), Carretera de Algete a El Casar km. 8.1, Valdeolmos, Madrid 28130, SpainChemokines are a superfamily of cytokines that appeared about 650 million years ago, at the emergence of vertebrates, and are responsible for regulating cell migration under both inflammatory and physiological conditions. The first teleost chemokine gene was reported in rainbow trout in 1998. Since then, numerous chemokine genes have been identified in diverse fish species evidencing the great differences that exist among fish and mammalian chemokines, and within the different fish species, as a consequence of extensive intrachromosomal gene duplications and different infectious experiences. Subsequently, it has only been possible to establish clear homologies with mammalian chemokines in the case of some chemokines with well-conserved homeostatic roles, whereas the functionality of other chemokine genes will have to be independently addressed in each species. Despite this, functional studies have only been undertaken for a few of these chemokine genes. In this review, we describe the current state of knowledge of chemokine biology in teleost fish. We have mainly focused on those species for which more research efforts have been made in this subject, specially zebrafish (Danio rerio), rainbow trout (Oncorhynchus mykiss) and catfish (Ictalurus punctatus), outlining which genes have been identified thus far, highlighting the most important aspects of their expression regulation and addressing any known aspects of their biological role in immunity. Finally, we summarise what is known about the chemokine receptors in teleosts and provide some analysis using recently available data to help characterise them more clearly.http://www.mdpi.com/2079-7737/4/4/756fishteleostchemokinesligandsreceptors
spellingShingle Steve Bird
Carolina Tafalla
Teleost Chemokines and Their Receptors
Biology
fish
teleost
chemokines
ligands
receptors
title Teleost Chemokines and Their Receptors
title_full Teleost Chemokines and Their Receptors
title_fullStr Teleost Chemokines and Their Receptors
title_full_unstemmed Teleost Chemokines and Their Receptors
title_short Teleost Chemokines and Their Receptors
title_sort teleost chemokines and their receptors
topic fish
teleost
chemokines
ligands
receptors
url http://www.mdpi.com/2079-7737/4/4/756
work_keys_str_mv AT stevebird teleostchemokinesandtheirreceptors
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