Vitamin A is required for regulation of polymeric immunoglobulin receptor (plgR) expression by interleukin-4 and interferon-γ in a human intestinal epithelial cell line

Jolly Sarkar, Nupur N. Gangopadhyay, Zina Moldoveanu, Jiri Mestecky, Charles B. Stephensen

Research output: Contribution to journalArticle

31 Citations (Scopus)

Abstract

The secretory immunoglobulin A (IgA) antibody response to infections of mucosal surfaces requires transport of IgA from the basal to apical surface of mucosal epithelial cells by a specific transport protein, the polymeric immunoglobulin receptor (plgR). We have tested the hypothesis that the vitamin A metabolite all-trans retinoic acid (RA) is required for the regulation of plgR expression by the cytokines interleukin-4 (IL-4) and interferon γ (IFN-γ) in HT-29 cells, a well-differentiated human epithelial cell line derived from a colonic carcinoma. plgR expression is upregulated by IFN-γ and IL-4 when HT-29 cells are grown in normal media, but this upregulation was significantly lower when cells were grown in vitamin A- depleted media. Treatment with RA at concentrations from 10-9 to 10-5 mol/L restored normal levels of plgR expression. The percentages of cells expressing cell-surface plgR after 24, 48 and 72 h of treatment with RA, IL- 4 and IFN-γ were 66 ± 10, 90 ± 5 and 92 ± 1, respectively, significantly higher than the percentages seen without RA treatment, which were 32 ± 2.3, 72 ± 1.2 and 30 ± 7, respectively. In addition, the intensity of fluorescence of plgR-positive cells was significantly higher in the RA- treated cultures than in the cultures without RA treatment. Similarly, plgR mRNA levels (adjusted for β-actin mRNA levels) in RA-supplemented cultures were 404, 105 and 949% higher at 24, 48 and 72 h, respectively, than were plgR mRNA levels in identical cultures grown in the absence of RA. These data indicate that RA strongly interacts with IL-4 and IFN-γ to regulate plgR expression in HT-29 cells, suggesting that vitamin A may be required for proper in vivo regulation of IgA transport in response to mucosal infections.

Original languageEnglish (US)
Pages (from-to)1063-1069
Number of pages7
JournalJournal of Nutrition
Volume128
Issue number7
StatePublished - Jul 1998
Externally publishedYes

Fingerprint

Polymeric Immunoglobulin Receptors
retinoic acid
interferons
interleukin-4
Tretinoin
Vitamin A
Interleukin-4
immunoglobulins
Interferons
vitamin A
epithelial cells
Epithelial Cells
cell lines
Cell Line
receptors
immunoglobulin A
HT29 Cells
cells
acid treatment
Immunoglobulin A

Keywords

  • Antibodies
  • Humans
  • Retinoic acid
  • Transporters
  • Vitamin A

ASJC Scopus subject areas

  • Medicine (miscellaneous)
  • Food Science

Cite this

Vitamin A is required for regulation of polymeric immunoglobulin receptor (plgR) expression by interleukin-4 and interferon-γ in a human intestinal epithelial cell line. / Sarkar, Jolly; Gangopadhyay, Nupur N.; Moldoveanu, Zina; Mestecky, Jiri; Stephensen, Charles B.

In: Journal of Nutrition, Vol. 128, No. 7, 07.1998, p. 1063-1069.

Research output: Contribution to journalArticle

Sarkar, Jolly ; Gangopadhyay, Nupur N. ; Moldoveanu, Zina ; Mestecky, Jiri ; Stephensen, Charles B. / Vitamin A is required for regulation of polymeric immunoglobulin receptor (plgR) expression by interleukin-4 and interferon-γ in a human intestinal epithelial cell line. In: Journal of Nutrition. 1998 ; Vol. 128, No. 7. pp. 1063-1069.
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AB - The secretory immunoglobulin A (IgA) antibody response to infections of mucosal surfaces requires transport of IgA from the basal to apical surface of mucosal epithelial cells by a specific transport protein, the polymeric immunoglobulin receptor (plgR). We have tested the hypothesis that the vitamin A metabolite all-trans retinoic acid (RA) is required for the regulation of plgR expression by the cytokines interleukin-4 (IL-4) and interferon γ (IFN-γ) in HT-29 cells, a well-differentiated human epithelial cell line derived from a colonic carcinoma. plgR expression is upregulated by IFN-γ and IL-4 when HT-29 cells are grown in normal media, but this upregulation was significantly lower when cells were grown in vitamin A- depleted media. Treatment with RA at concentrations from 10-9 to 10-5 mol/L restored normal levels of plgR expression. The percentages of cells expressing cell-surface plgR after 24, 48 and 72 h of treatment with RA, IL- 4 and IFN-γ were 66 ± 10, 90 ± 5 and 92 ± 1, respectively, significantly higher than the percentages seen without RA treatment, which were 32 ± 2.3, 72 ± 1.2 and 30 ± 7, respectively. In addition, the intensity of fluorescence of plgR-positive cells was significantly higher in the RA- treated cultures than in the cultures without RA treatment. Similarly, plgR mRNA levels (adjusted for β-actin mRNA levels) in RA-supplemented cultures were 404, 105 and 949% higher at 24, 48 and 72 h, respectively, than were plgR mRNA levels in identical cultures grown in the absence of RA. These data indicate that RA strongly interacts with IL-4 and IFN-γ to regulate plgR expression in HT-29 cells, suggesting that vitamin A may be required for proper in vivo regulation of IgA transport in response to mucosal infections.

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