Ixeris dentata-induced regulation of amylase synthesis and secretion in glucose-treated human salivary gland cells

Hwa Young Lee, Geum Hwa Lee, Hye Kyung Kim, Seung Hyun Kim, Kyung pyo Park, Han Jung Chae, Hyung Ryong Kim

Research output: Contribution to journalReview article

10 Citations (Scopus)

Abstract

The endoplasmic reticulum (ER) is an organelle which controls synthesis of secretory and membrane proteins. Alterations in protein folding capacity, leading to ER stress, can be observed in patients with diabetes and related diseases such as xerostomia. The objectives of this study were to investigate the effects of Ixeris dentata (IXD) extract, which has been used for diabetes treatment, and compounds purified from IXD, 8-epidesacylcynaropicrin-3-O-beta-glucopyranoside (ID-57D), on amylase synthesis and secretion in human salivary gland (HSG) cells exposed to a high concentration of glucose. A high concentration of glucose in the experimental medium of cultured cells can model diabetes in vitro. IXD extracts and ID-57D increased oxidative folding-associated protein expression, including p-IRE-1α, PDI and ERO-1α, with the enhanced oxidative folding pattern seen in HSG cells transiently exposed to a high concentration of glucose. Moreover, the treatments reduced the ER stress response, such as the expression of GRP78, maintaining amylase synthesis and secretion in chronically glucose-exposed HSG cells. This study suggests the potential therapeutic value of IXD extract for the treatment of diabetes or its complications such as xerostomia.

Original languageEnglish
Pages (from-to)739-749
Number of pages11
JournalFood and Chemical Toxicology
Volume62
DOIs
Publication statusPublished - 2013 Jan 1

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Asteraceae
Amylases
Medical problems
salivary glands
Salivary Glands
amylases
diabetes
secretion
endoplasmic reticulum
Glucose
Xerostomia
glucose
Endoplasmic Reticulum Stress
synthesis
Protein Folding
extracts
cells
Protein folding
protein folding
Therapeutics

All Science Journal Classification (ASJC) codes

  • Food Science
  • Toxicology

Cite this

Lee, Hwa Young ; Lee, Geum Hwa ; Kim, Hye Kyung ; Kim, Seung Hyun ; Park, Kyung pyo ; Chae, Han Jung ; Kim, Hyung Ryong. / Ixeris dentata-induced regulation of amylase synthesis and secretion in glucose-treated human salivary gland cells. In: Food and Chemical Toxicology. 2013 ; Vol. 62. pp. 739-749.
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Ixeris dentata-induced regulation of amylase synthesis and secretion in glucose-treated human salivary gland cells. / Lee, Hwa Young; Lee, Geum Hwa; Kim, Hye Kyung; Kim, Seung Hyun; Park, Kyung pyo; Chae, Han Jung; Kim, Hyung Ryong.

In: Food and Chemical Toxicology, Vol. 62, 01.01.2013, p. 739-749.

Research output: Contribution to journalReview article

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