Role of Sialic Acids in Central Nervous System Immune Response

Sialic acids (Sia) are a structurally diverse family of nine-carbon sugars that play a crucial role in cell–cell communication, immune modulation, and neurodevelopment. Their unique ability to form homo- and oligo-polymers, along with a variety of linkages and chemical modifications, contributes to...

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Main Authors: Karolina Narejko, Martyna Niemczuk, Agata Urbaniak, Sylwia Koziej, Piotr Jakub Depta, Adrianna Jasiuk, Mateusz Wiekiera
Format: Article
Language:English
Published: Nicolaus Copernicus University in Toruń 2025-06-01
Series:Quality in Sport
Subjects:
Online Access:https://apcz.umk.pl/QS/article/view/61204
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author Karolina Narejko
Martyna Niemczuk
Agata Urbaniak
Sylwia Koziej
Piotr Jakub Depta
Adrianna Jasiuk
Mateusz Wiekiera
author_facet Karolina Narejko
Martyna Niemczuk
Agata Urbaniak
Sylwia Koziej
Piotr Jakub Depta
Adrianna Jasiuk
Mateusz Wiekiera
author_sort Karolina Narejko
collection DOAJ
description Sialic acids (Sia) are a structurally diverse family of nine-carbon sugars that play a crucial role in cell–cell communication, immune modulation, and neurodevelopment. Their unique ability to form homo- and oligo-polymers, along with a variety of linkages and chemical modifications, contributes to the complexity of glycosylation patterns on cell surfaces. Particularly enriched in the Central Nervous System (CNS), polysialic acids are involved in processes such as synaptogenesis, neuroplasticity, and modulation of neurotransmitter activity. This study explores the biosynthesis, recycling, and functional roles of Sia in the CNS, emphasizing their involvement in immune regulation via SIGLEC receptors and complement system modulation. It also addresses the pathological implications of Sia mimicry by pathogens such as Neisseria meningitidis and E. coli, which exploit sialylation to evade immune responses.
format Article
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institution Kabale University
issn 2450-3118
language English
publishDate 2025-06-01
publisher Nicolaus Copernicus University in Toruń
record_format Article
series Quality in Sport
spelling doaj-art-7fb77f83f83a47b3a36d82ac850afcc72025-08-20T03:27:36ZengNicolaus Copernicus University in ToruńQuality in Sport2450-31182025-06-014210.12775/QS.2025.42.61204Role of Sialic Acids in Central Nervous System Immune ResponseKarolina Narejko0https://orcid.org/0009-0000-0564-4401Martyna Niemczuk1https://orcid.org/0009-0006-5877-6356Agata Urbaniak2https://orcid.org/0009-0003-2404-4833Sylwia Koziej3https://orcid.org/0009-0002-9607-6693Piotr Jakub Depta4https://orcid.org/0009-0008-1081-3212Adrianna Jasiuk5https://orcid.org/0009-0001-4829-3768Mateusz Wiekiera6https://orcid.org/0009-0003-9236-2913MSWiA Hospital, BiałystokMedical University of BiałystokMedical University of BialystokStefan Cardinal Wyszyński Provincial Specialist Hospital SPZOZ ,LublinMSWiA Hospital, BiałystokMedical Univeristy of ŁódźMedical Univeristy of Łódź Sialic acids (Sia) are a structurally diverse family of nine-carbon sugars that play a crucial role in cell–cell communication, immune modulation, and neurodevelopment. Their unique ability to form homo- and oligo-polymers, along with a variety of linkages and chemical modifications, contributes to the complexity of glycosylation patterns on cell surfaces. Particularly enriched in the Central Nervous System (CNS), polysialic acids are involved in processes such as synaptogenesis, neuroplasticity, and modulation of neurotransmitter activity. This study explores the biosynthesis, recycling, and functional roles of Sia in the CNS, emphasizing their involvement in immune regulation via SIGLEC receptors and complement system modulation. It also addresses the pathological implications of Sia mimicry by pathogens such as Neisseria meningitidis and E. coli, which exploit sialylation to evade immune responses. https://apcz.umk.pl/QS/article/view/61204Sialic Acidsimmune systemCNSsialylationsialyltransferasesSIGLEC
spellingShingle Karolina Narejko
Martyna Niemczuk
Agata Urbaniak
Sylwia Koziej
Piotr Jakub Depta
Adrianna Jasiuk
Mateusz Wiekiera
Role of Sialic Acids in Central Nervous System Immune Response
Quality in Sport
Sialic Acids
immune system
CNS
sialylation
sialyltransferases
SIGLEC
title Role of Sialic Acids in Central Nervous System Immune Response
title_full Role of Sialic Acids in Central Nervous System Immune Response
title_fullStr Role of Sialic Acids in Central Nervous System Immune Response
title_full_unstemmed Role of Sialic Acids in Central Nervous System Immune Response
title_short Role of Sialic Acids in Central Nervous System Immune Response
title_sort role of sialic acids in central nervous system immune response
topic Sialic Acids
immune system
CNS
sialylation
sialyltransferases
SIGLEC
url https://apcz.umk.pl/QS/article/view/61204
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AT agataurbaniak roleofsialicacidsincentralnervoussystemimmuneresponse
AT sylwiakoziej roleofsialicacidsincentralnervoussystemimmuneresponse
AT piotrjakubdepta roleofsialicacidsincentralnervoussystemimmuneresponse
AT adriannajasiuk roleofsialicacidsincentralnervoussystemimmuneresponse
AT mateuszwiekiera roleofsialicacidsincentralnervoussystemimmuneresponse