TGF-beta 1 is a potential regulator of vaginal tropoelastin production

Peter Takacs, Yanping Zhang, Sujata Yavagal, Keith A Candiotti, Nahida Chakhtoura, Carlos Medina

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

Introduction and hypothesis: Our aims were to correlate transforming growth factor (TGF)-β1 and elastin mRNA expression in the vagina of women and to measure the effects of TGF-β1 on vaginal smooth muscle cell (SMC) proliferation and tropoelastin production. Methods: Vaginal walls were sampled in women (n=20). TGF-β1 and elastin mRNA expression was assessed by RT-PCR. SMC cultures were performed from vaginal wall biopsies. SMC were incubated with TGF-β1, and cell proliferation was assessed by MTT-assay. Tropoelastin production was measured by the Fastin Elastin Assay. Results: There was a significant positive correlation between TGF-β1 and elastin mRNA (r=0.784, P< 0.01). SMC proliferation was significantly increased by 10 ng/mL TGF-β1 [relative cell number, mean ± SD, 198%±32% of control (P=0.01)]. Tropoelastin production was significantly increased by TGF-β1 [mean ± SD, 645%±180% of control (P=0.01)]. Conclusions: There is a positive correlation between TGF-β1 and elastin mRNA expression in the vaginal wall. In vitro, TGF-β1 increases vaginal tropoelastin production in vaginal SMC.

Original languageEnglish
Pages (from-to)357-363
Number of pages7
JournalInternational Urogynecology Journal and Pelvic Floor Dysfunction
Volume23
Issue number3
DOIs
StatePublished - Mar 1 2012

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Tropoelastin
Transforming Growth Factors
Transforming Growth Factor beta
Elastin
Smooth Muscle Myocytes
Messenger RNA
Cell Proliferation
Vagina
Cell Culture Techniques
Cell Count

Keywords

  • Elastin
  • Transforming growth factor β1
  • Vagina

ASJC Scopus subject areas

  • Urology
  • Obstetrics and Gynecology

Cite this

TGF-beta 1 is a potential regulator of vaginal tropoelastin production. / Takacs, Peter; Zhang, Yanping; Yavagal, Sujata; Candiotti, Keith A; Chakhtoura, Nahida; Medina, Carlos.

In: International Urogynecology Journal and Pelvic Floor Dysfunction, Vol. 23, No. 3, 01.03.2012, p. 357-363.

Research output: Contribution to journalArticle

Takacs, Peter ; Zhang, Yanping ; Yavagal, Sujata ; Candiotti, Keith A ; Chakhtoura, Nahida ; Medina, Carlos. / TGF-beta 1 is a potential regulator of vaginal tropoelastin production. In: International Urogynecology Journal and Pelvic Floor Dysfunction. 2012 ; Vol. 23, No. 3. pp. 357-363.
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abstract = "Introduction and hypothesis: Our aims were to correlate transforming growth factor (TGF)-β1 and elastin mRNA expression in the vagina of women and to measure the effects of TGF-β1 on vaginal smooth muscle cell (SMC) proliferation and tropoelastin production. Methods: Vaginal walls were sampled in women (n=20). TGF-β1 and elastin mRNA expression was assessed by RT-PCR. SMC cultures were performed from vaginal wall biopsies. SMC were incubated with TGF-β1, and cell proliferation was assessed by MTT-assay. Tropoelastin production was measured by the Fastin Elastin Assay. Results: There was a significant positive correlation between TGF-β1 and elastin mRNA (r=0.784, P< 0.01). SMC proliferation was significantly increased by 10 ng/mL TGF-β1 [relative cell number, mean ± SD, 198{\%}±32{\%} of control (P=0.01)]. Tropoelastin production was significantly increased by TGF-β1 [mean ± SD, 645{\%}±180{\%} of control (P=0.01)]. Conclusions: There is a positive correlation between TGF-β1 and elastin mRNA expression in the vaginal wall. In vitro, TGF-β1 increases vaginal tropoelastin production in vaginal SMC.",
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