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Open AccessJournal ArticleDOI

Clinical management of salivary gland hypofunction and xerostomia in head-and-neck cancer patients: successes and barriers

TLDR
This review addresses the pathophysiology underlying irradiation damage to salivary gland tissue, the consequences of radiation injury, and issues contributing to the clinical management of salivARY gland hypofunction and xerostomia.
Abstract
The most significant long-term complication of radiotherapy in the head-and-neck region is hyposalivation and its related complaints, particularily xerostomia. This review addresses the pathophysiology underlying irradiation damage to salivary gland tissue, the consequences of radiation injury, and issues contributing to the clinical management of salivary gland hypofunction and xerostomia. These include ways to (1) prevent or minimize radiation injury of salivary gland tissue, (2) manage radiation-induced hyposalivation and xerostomia, and (3) restore the function of salivary gland tissue damaged by radiotherapy.

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Concurrent transient activation of Wnt/β-catenin pathway prevents radiation damage to salivary glands.

TL;DR: It is suggested that concurrent transient activation of the Wnt/β-catenin pathway could prevent radiation-induced salivary gland dysfunction following radiation by suppressing apoptosis and preserving functionalsalivary stem/progenitor cells.
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Interactions between developing nerves and salivary glands.

TL;DR: This work will provide a brief overview of the neuroanatomy of the salivary glands and discuss recent literature that begins to integrate neurobiology with epithelial organogenesis, which may provide paradigms for exploring these interactions in other organ systems.
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Xerostomia in patients on chronic hemodialysis

TL;DR: Xerostomia remains a frustrating symptom for patients on hemodialysis, and further efforts should be made to find an effective treatment for it in the near future.
Journal ArticleDOI

Loss of TRPM2 function protects against irradiation-induced salivary gland dysfunction

TL;DR: It is demonstrated that TRPM2 is activated by irradiation, via PARP1 activation, and contributes to irreversible loss of salivary gland function.
References
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Journal ArticleDOI

Dose, volume, and function relationships in parotid salivary glands following conformal and intensity-modulated irradiation of head and neck cancer

TL;DR: Dose/volume/function relationships in the parotid glands are characterized by dose and volume thresholds, steep dose/response relationships when the thresholds are reached, and a maximal volume dependence parameter in the NTCP model.
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Isolation of the cDNA for erythrocyte integral membrane protein of 28 kilodaltons: member of an ancient channel family.

TL;DR: Analysis of the deduced amino acid sequence suggests that CHIP28 protein contains six bilayer-spanning domains, two exofacial potential N-glycosylation sites, and intracellular N and C termini.
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Oral Sequelae of Head and Neck Radiotherapy

TL;DR: In this review, the radiation-induced changes in healthy oral tissues and the resulting clinical consequences are discussed.
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Phase III Randomized Trial of Amifostine as a Radioprotector in Head and Neck Cancer

TL;DR: With and without amifostine, 2-year local-regional control, disease-free survival, and overall survival were 58% versus 63, 53% versus 57%, and 71% versus 66%, respectively, while Antitumor treatment efficacy was preserved.
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Xerostomia and its predictors following parotid-sparing irradiation of head-and-neck cancer

TL;DR: An improvement over time in xerostomia, occurring in tandem with rising salivary production from the spared major Salivary glands, suggests a long-term clinical benefit from their sparing.
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