Endometrial miR-200c is altered during transformation into cancerous states and targets the expression of ZEBs, VEGFA, FLT1, IKKβ, KLF9, and FBLN5

Harekrushna Panda, Leslie Pelakh, Tsai Der Chuang, Xiaoping Luo, Orhan Bukulmez, Nasser Chegini

Research output: Contribution to journalArticle

50 Citations (Scopus)

Abstract

A number of microRNAs (miRNAs), including miR-200 family, are aberrantly expressed in endometriosis and endometrial cancer. Here we assessed the expression and functional aspects of miR-200c in endometrial tissues (N = 52) from normal endometrial biopsies (N = 15), endometrial tissues including those exposed to hormonal therapies (N = 20), and grade I-III endometrial cancer (N = 17). miR-200c expression was elevated in normal endometrial biopsies from mid- and late-luteal phase, and in endometrial tumors as compared to endometrial tissues from peri- and postmenopausal period (P <.05) and its pattern of temporal expression displayed an inverse relationship with the expression of ZEBs. The expression of E-cadherin (CDH1) varied, but expressed at low levels, specifically in endometrial tissues and endometrial tumors. The endometrial expression of ZEBs and CDH1 in patients who were exposed to Depo-Provera and gonadotropin-releasing hormone agonist GnRHa displayed a trend toward lower expression as compared to proliferative phase; however, treatment of Ishikawa cells with 17β-estradiol, progesterone, and medroxy progesterone acetate had modest effects on the expression of miR-200c and ZEBs without affecting CDH1 expression. Gain of function of miR-200c in Ishikawa cells repressed ZEBs, as well as VEGFA, FLT1, IKKβ, and KLF9 expression at transcriptional and translational levels through direct interaction with their respective 3untranslated regions and increased the rate of their proliferation. These results indicated that endometrial miR-200c expression undergoes dynamic changes during transition from normal into cancerous states; possibly influenced by hormonal milieu and by targeting the expression of specific genes with key regulatory functions in cellular transformation, inflammation, and angiogenesis may influence these events during normal and disease progression.

Original languageEnglish (US)
Pages (from-to)786-796
Number of pages11
JournalReproductive Sciences
Volume19
Issue number8
DOIs
StatePublished - Aug 2012

Fingerprint

Endometrial Neoplasms
Progesterone
Postmenopause
Biopsy
Medroxyprogesterone Acetate
Luteal Phase
Endometriosis
Cadherins
MicroRNAs
Gonadotropin-Releasing Hormone
Disease Progression
Estradiol
Neoplasms
Acetates
Inflammation
Gene Expression
Therapeutics

Keywords

  • cancer
  • endometrium
  • expression
  • menstrual cycle
  • miR-200c
  • regulation

ASJC Scopus subject areas

  • Obstetrics and Gynecology

Cite this

Endometrial miR-200c is altered during transformation into cancerous states and targets the expression of ZEBs, VEGFA, FLT1, IKKβ, KLF9, and FBLN5. / Panda, Harekrushna; Pelakh, Leslie; Chuang, Tsai Der; Luo, Xiaoping; Bukulmez, Orhan; Chegini, Nasser.

In: Reproductive Sciences, Vol. 19, No. 8, 08.2012, p. 786-796.

Research output: Contribution to journalArticle

Panda, Harekrushna ; Pelakh, Leslie ; Chuang, Tsai Der ; Luo, Xiaoping ; Bukulmez, Orhan ; Chegini, Nasser. / Endometrial miR-200c is altered during transformation into cancerous states and targets the expression of ZEBs, VEGFA, FLT1, IKKβ, KLF9, and FBLN5. In: Reproductive Sciences. 2012 ; Vol. 19, No. 8. pp. 786-796.
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AB - A number of microRNAs (miRNAs), including miR-200 family, are aberrantly expressed in endometriosis and endometrial cancer. Here we assessed the expression and functional aspects of miR-200c in endometrial tissues (N = 52) from normal endometrial biopsies (N = 15), endometrial tissues including those exposed to hormonal therapies (N = 20), and grade I-III endometrial cancer (N = 17). miR-200c expression was elevated in normal endometrial biopsies from mid- and late-luteal phase, and in endometrial tumors as compared to endometrial tissues from peri- and postmenopausal period (P <.05) and its pattern of temporal expression displayed an inverse relationship with the expression of ZEBs. The expression of E-cadherin (CDH1) varied, but expressed at low levels, specifically in endometrial tissues and endometrial tumors. The endometrial expression of ZEBs and CDH1 in patients who were exposed to Depo-Provera and gonadotropin-releasing hormone agonist GnRHa displayed a trend toward lower expression as compared to proliferative phase; however, treatment of Ishikawa cells with 17β-estradiol, progesterone, and medroxy progesterone acetate had modest effects on the expression of miR-200c and ZEBs without affecting CDH1 expression. Gain of function of miR-200c in Ishikawa cells repressed ZEBs, as well as VEGFA, FLT1, IKKβ, and KLF9 expression at transcriptional and translational levels through direct interaction with their respective 3untranslated regions and increased the rate of their proliferation. These results indicated that endometrial miR-200c expression undergoes dynamic changes during transition from normal into cancerous states; possibly influenced by hormonal milieu and by targeting the expression of specific genes with key regulatory functions in cellular transformation, inflammation, and angiogenesis may influence these events during normal and disease progression.

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