Interleukin-10 inhibition of gelatinases in fetal membranes

Therapeutic implications in preterm premature rupture of membranes

Stephen J. Fortunato, Ramkumar Menon, Salvatore J. Lombardi, Bonnie LaFleur

Research output: Contribution to journalArticle

16 Citations (Scopus)

Abstract

OBJECTIVE: To examine the effect of interleukin-10 on production and regulation of gelatinases by amniochorion in an in vitro model of infection. METHODS: We placed amniochorionic membranes collected from eight women who had elective repeat cesareans at term in an organ explant culture system. After 48 hours in culture, the membranes were stimulated with lipopolysaccharide (50 ng/mL), and some were costimulated with interleukin-10 (500 ng/mL). Tissue and media samples were collected after 24-hour stimulation. Quantitative polymerase chain reactions and enzyme-linked immunosorbent assays were used to evaluate matrix metalloproteinase 2 and matrix metalloproteinase 9 messenger RNA and proteins, respectively. RESULTS: Lipopolysaccharide stimulation induced 55.14 transcripts of matrix metalloproteinase 9, compared with 0.83 in control tissues (P < .001). Costimulation with interleukin-10 and lipopolysaccharide significantly reduced matrix metalloproteinase 9 messenger RNA levels to 10 transcripts (P < .001). Lipopolysaccharide stimulation produced 29.25 ng/mL of immunoreactive matrix metalloproteinase 9, which was reduced to 6.3 ng/mL (Padj = .016) after costimulation with interleukin-10. Although not significant, matrix metalloproteinase 2 messenger RNA levels were higher in lipopolysaccharide-stimulated tissues (4.37 × 106 transcripts) compared with control (2.8 × 105 transcripts; Padj = .08), with a significant decrease in matrix metalloproteinase 2 messenger RNA levels in interleukin-10- costimulated tissues (2.9 × 106; Padj = .007). Interleukin-10 costimulation resulted in a significant decrease in matrix metalloproteinase 2 protein production (203.1 [lipopolysaccharide] and 149.75 [with interleukin-10]; Padj < .001). CONCLUSION: Interleukin-10 eliminated lipopolysaccharide induction of matrix metalloproteinase 2 and 9 in amniochorion.

Original languageEnglish (US)
Pages (from-to)284-288
Number of pages5
JournalObstetrics and Gynecology
Volume98
Issue number2
DOIs
StatePublished - 2001
Externally publishedYes

Fingerprint

Extraembryonic Membranes
Gelatinases
Interleukin-10
Lipopolysaccharides
Matrix Metalloproteinase 2
Matrix Metalloproteinase 9
Messenger RNA
Therapeutics
Membranes
Preterm Premature Rupture of the Membranes
Organ Culture Techniques
Proteins
Enzyme-Linked Immunosorbent Assay
Polymerase Chain Reaction

ASJC Scopus subject areas

  • Obstetrics and Gynecology

Cite this

Interleukin-10 inhibition of gelatinases in fetal membranes : Therapeutic implications in preterm premature rupture of membranes. / Fortunato, Stephen J.; Menon, Ramkumar; Lombardi, Salvatore J.; LaFleur, Bonnie.

In: Obstetrics and Gynecology, Vol. 98, No. 2, 2001, p. 284-288.

Research output: Contribution to journalArticle

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abstract = "OBJECTIVE: To examine the effect of interleukin-10 on production and regulation of gelatinases by amniochorion in an in vitro model of infection. METHODS: We placed amniochorionic membranes collected from eight women who had elective repeat cesareans at term in an organ explant culture system. After 48 hours in culture, the membranes were stimulated with lipopolysaccharide (50 ng/mL), and some were costimulated with interleukin-10 (500 ng/mL). Tissue and media samples were collected after 24-hour stimulation. Quantitative polymerase chain reactions and enzyme-linked immunosorbent assays were used to evaluate matrix metalloproteinase 2 and matrix metalloproteinase 9 messenger RNA and proteins, respectively. RESULTS: Lipopolysaccharide stimulation induced 55.14 transcripts of matrix metalloproteinase 9, compared with 0.83 in control tissues (P < .001). Costimulation with interleukin-10 and lipopolysaccharide significantly reduced matrix metalloproteinase 9 messenger RNA levels to 10 transcripts (P < .001). Lipopolysaccharide stimulation produced 29.25 ng/mL of immunoreactive matrix metalloproteinase 9, which was reduced to 6.3 ng/mL (Padj = .016) after costimulation with interleukin-10. Although not significant, matrix metalloproteinase 2 messenger RNA levels were higher in lipopolysaccharide-stimulated tissues (4.37 × 106 transcripts) compared with control (2.8 × 105 transcripts; Padj = .08), with a significant decrease in matrix metalloproteinase 2 messenger RNA levels in interleukin-10- costimulated tissues (2.9 × 106; Padj = .007). Interleukin-10 costimulation resulted in a significant decrease in matrix metalloproteinase 2 protein production (203.1 [lipopolysaccharide] and 149.75 [with interleukin-10]; Padj < .001). CONCLUSION: Interleukin-10 eliminated lipopolysaccharide induction of matrix metalloproteinase 2 and 9 in amniochorion.",
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N2 - OBJECTIVE: To examine the effect of interleukin-10 on production and regulation of gelatinases by amniochorion in an in vitro model of infection. METHODS: We placed amniochorionic membranes collected from eight women who had elective repeat cesareans at term in an organ explant culture system. After 48 hours in culture, the membranes were stimulated with lipopolysaccharide (50 ng/mL), and some were costimulated with interleukin-10 (500 ng/mL). Tissue and media samples were collected after 24-hour stimulation. Quantitative polymerase chain reactions and enzyme-linked immunosorbent assays were used to evaluate matrix metalloproteinase 2 and matrix metalloproteinase 9 messenger RNA and proteins, respectively. RESULTS: Lipopolysaccharide stimulation induced 55.14 transcripts of matrix metalloproteinase 9, compared with 0.83 in control tissues (P < .001). Costimulation with interleukin-10 and lipopolysaccharide significantly reduced matrix metalloproteinase 9 messenger RNA levels to 10 transcripts (P < .001). Lipopolysaccharide stimulation produced 29.25 ng/mL of immunoreactive matrix metalloproteinase 9, which was reduced to 6.3 ng/mL (Padj = .016) after costimulation with interleukin-10. Although not significant, matrix metalloproteinase 2 messenger RNA levels were higher in lipopolysaccharide-stimulated tissues (4.37 × 106 transcripts) compared with control (2.8 × 105 transcripts; Padj = .08), with a significant decrease in matrix metalloproteinase 2 messenger RNA levels in interleukin-10- costimulated tissues (2.9 × 106; Padj = .007). Interleukin-10 costimulation resulted in a significant decrease in matrix metalloproteinase 2 protein production (203.1 [lipopolysaccharide] and 149.75 [with interleukin-10]; Padj < .001). CONCLUSION: Interleukin-10 eliminated lipopolysaccharide induction of matrix metalloproteinase 2 and 9 in amniochorion.

AB - OBJECTIVE: To examine the effect of interleukin-10 on production and regulation of gelatinases by amniochorion in an in vitro model of infection. METHODS: We placed amniochorionic membranes collected from eight women who had elective repeat cesareans at term in an organ explant culture system. After 48 hours in culture, the membranes were stimulated with lipopolysaccharide (50 ng/mL), and some were costimulated with interleukin-10 (500 ng/mL). Tissue and media samples were collected after 24-hour stimulation. Quantitative polymerase chain reactions and enzyme-linked immunosorbent assays were used to evaluate matrix metalloproteinase 2 and matrix metalloproteinase 9 messenger RNA and proteins, respectively. RESULTS: Lipopolysaccharide stimulation induced 55.14 transcripts of matrix metalloproteinase 9, compared with 0.83 in control tissues (P < .001). Costimulation with interleukin-10 and lipopolysaccharide significantly reduced matrix metalloproteinase 9 messenger RNA levels to 10 transcripts (P < .001). Lipopolysaccharide stimulation produced 29.25 ng/mL of immunoreactive matrix metalloproteinase 9, which was reduced to 6.3 ng/mL (Padj = .016) after costimulation with interleukin-10. Although not significant, matrix metalloproteinase 2 messenger RNA levels were higher in lipopolysaccharide-stimulated tissues (4.37 × 106 transcripts) compared with control (2.8 × 105 transcripts; Padj = .08), with a significant decrease in matrix metalloproteinase 2 messenger RNA levels in interleukin-10- costimulated tissues (2.9 × 106; Padj = .007). Interleukin-10 costimulation resulted in a significant decrease in matrix metalloproteinase 2 protein production (203.1 [lipopolysaccharide] and 149.75 [with interleukin-10]; Padj < .001). CONCLUSION: Interleukin-10 eliminated lipopolysaccharide induction of matrix metalloproteinase 2 and 9 in amniochorion.

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