Salivary Trefoil Factor Family (TFF) Peptides and Their Roles in Oral and Esophageal Protection: Therapeutic Potential

Human saliva is a complex body fluid with more than 3000 different identified proteins. Besides rheological and lubricating properties, saliva supports wound healing and acts as an antimicrobial barrier. TFF peptides are secreted from the mucous acini of the major and minor salivary glands and are t...

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Autor principal: Werner Hoffmann
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Publicado: MDPI AG 2021
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spelling oai:doaj.org-article:e23769dd7f4247618de7e0989e6d08d72021-11-25T17:54:27ZSalivary Trefoil Factor Family (TFF) Peptides and Their Roles in Oral and Esophageal Protection: Therapeutic Potential10.3390/ijms2222122211422-00671661-6596https://doaj.org/article/e23769dd7f4247618de7e0989e6d08d72021-11-01T00:00:00Zhttps://www.mdpi.com/1422-0067/22/22/12221https://doaj.org/toc/1661-6596https://doaj.org/toc/1422-0067Human saliva is a complex body fluid with more than 3000 different identified proteins. Besides rheological and lubricating properties, saliva supports wound healing and acts as an antimicrobial barrier. TFF peptides are secreted from the mucous acini of the major and minor salivary glands and are typical constituents of normal saliva; TFF3 being the predominant peptide compared with TFF1 and TFF2. Only TFF3 is easily detectable by Western blotting. It occurs in two forms, a disulfide-linked homodimer (Mr: 13k) and a high-molecular-mass heterodimer with IgG Fc binding protein (FCGBP). TFF peptides are secretory lectins known for their protective effects in mucous epithelia; the TFF3 dimer probably has wound-healing properties due to its weak motogenic effect. There are multiple indications that FCGBP and TFF3-FCGBP play a key role in the innate immune defense of mucous epithelia. In addition, homodimeric TFF3 interacts in vitro with the salivary agglutinin DMBT1<sup>gp340</sup>. Here, the protective roles of TFF peptides, FCGBP, and DMBT1<sup>gp340</sup> in saliva are discussed. TFF peptides are also used to reduce radiotherapy- or chemotherapy-induced oral mucositis. Thus, TFF peptides, FCGBP, and DMBT1<sup>gp340</sup> are promising candidates for better formulations of artificial saliva, particularly improving wound healing and antimicrobial effects even in the esophagus.Werner HoffmannMDPI AGarticlesalivaartificial salivaesophagusTFF3FCGBPDMBT1Biology (General)QH301-705.5ChemistryQD1-999ENInternational Journal of Molecular Sciences, Vol 22, Iss 12221, p 12221 (2021)
institution DOAJ
collection DOAJ
language EN
topic saliva
artificial saliva
esophagus
TFF3
FCGBP
DMBT1
Biology (General)
QH301-705.5
Chemistry
QD1-999
spellingShingle saliva
artificial saliva
esophagus
TFF3
FCGBP
DMBT1
Biology (General)
QH301-705.5
Chemistry
QD1-999
Werner Hoffmann
Salivary Trefoil Factor Family (TFF) Peptides and Their Roles in Oral and Esophageal Protection: Therapeutic Potential
description Human saliva is a complex body fluid with more than 3000 different identified proteins. Besides rheological and lubricating properties, saliva supports wound healing and acts as an antimicrobial barrier. TFF peptides are secreted from the mucous acini of the major and minor salivary glands and are typical constituents of normal saliva; TFF3 being the predominant peptide compared with TFF1 and TFF2. Only TFF3 is easily detectable by Western blotting. It occurs in two forms, a disulfide-linked homodimer (Mr: 13k) and a high-molecular-mass heterodimer with IgG Fc binding protein (FCGBP). TFF peptides are secretory lectins known for their protective effects in mucous epithelia; the TFF3 dimer probably has wound-healing properties due to its weak motogenic effect. There are multiple indications that FCGBP and TFF3-FCGBP play a key role in the innate immune defense of mucous epithelia. In addition, homodimeric TFF3 interacts in vitro with the salivary agglutinin DMBT1<sup>gp340</sup>. Here, the protective roles of TFF peptides, FCGBP, and DMBT1<sup>gp340</sup> in saliva are discussed. TFF peptides are also used to reduce radiotherapy- or chemotherapy-induced oral mucositis. Thus, TFF peptides, FCGBP, and DMBT1<sup>gp340</sup> are promising candidates for better formulations of artificial saliva, particularly improving wound healing and antimicrobial effects even in the esophagus.
format article
author Werner Hoffmann
author_facet Werner Hoffmann
author_sort Werner Hoffmann
title Salivary Trefoil Factor Family (TFF) Peptides and Their Roles in Oral and Esophageal Protection: Therapeutic Potential
title_short Salivary Trefoil Factor Family (TFF) Peptides and Their Roles in Oral and Esophageal Protection: Therapeutic Potential
title_full Salivary Trefoil Factor Family (TFF) Peptides and Their Roles in Oral and Esophageal Protection: Therapeutic Potential
title_fullStr Salivary Trefoil Factor Family (TFF) Peptides and Their Roles in Oral and Esophageal Protection: Therapeutic Potential
title_full_unstemmed Salivary Trefoil Factor Family (TFF) Peptides and Their Roles in Oral and Esophageal Protection: Therapeutic Potential
title_sort salivary trefoil factor family (tff) peptides and their roles in oral and esophageal protection: therapeutic potential
publisher MDPI AG
publishDate 2021
url https://doaj.org/article/e23769dd7f4247618de7e0989e6d08d7
work_keys_str_mv AT wernerhoffmann salivarytrefoilfactorfamilytffpeptidesandtheirrolesinoralandesophagealprotectiontherapeuticpotential
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