Discovery of a novel imprinted gene by transcriptional analysis of parthenogenetic embryonic stem cells

Hathaitip Sritanaudomchai, Hong Ma, Lisa Clepper, Sumita Gokhale, Randy Bogan, Jon Hennebold, Don Wolf, Shoukhrat Mitalipov

Research output: Contribution to journalArticle

23 Citations (Scopus)

Abstract

Background: Parthenogenetic embryonic stem cells (PESCs) may have future utilities in cell replacement therapies since they are closely related to the female from which the activated oocyte was obtained. Furthermore, the avoidance of parthenogenetic development in mammals provides the most compelling rationale for the evolution of genomic imprinting, and the biological process of parthenogenesis raises complex issues regarding differential gene expression. Methods: AND Results: We describe here homozygous rhesus monkey PESCs derived from a spontaneously duplicated, haploid oocyte genome. Since the effect of homozygosity on PESCs pluripotency and differentiation potential is unknown, we assessed the similarities and differences in pluripotency markers and developmental potential by in vitro and in vivo differentiation of homozygous and heterozygous PESCs. To understand the differences in gene expression regulation between parthenogenetic and biparental embryonic stem cells (ESCs), we conducted microarray analysis of genome-wide mRNA profiles of primate PESCs and ESCs derived from fertilized embryos using the Affymetrix Rhesus Macaque Genome array. Several known paternally imprinted genes were in the highly down-regulated group in PESCs compared with ESCs. Furthermore, allele-specific expression analysis of other genes whose expression is also down-regulated in PESCs, led to the identification of one novel imprinted gene, inositol polyphosphate-5-phosphatase F (INPP5F), which was exclusively expressed from a paternal allele. Conclusion: Our findings suggest that PESCs could be used as a model for studying genomic imprinting, and in the discovery of novel imprinted genes.

Original languageEnglish (US)
Pages (from-to)1927-1941
Number of pages15
JournalHuman Reproduction
Volume25
Issue number8
DOIs
StatePublished - Aug 2010

Fingerprint

Embryonic Stem Cells
Genes
Genomic Imprinting
Genome
Macaca mulatta
Oocytes
Alleles
Parthenogenesis
Tissue Array Analysis
Biological Phenomena
Gene Expression
Haploidy
Gene Expression Regulation
Cell- and Tissue-Based Therapy
Primates
Cell Differentiation
Mammals
Embryonic Structures
Messenger RNA

Keywords

  • homozygosity
  • imprinting
  • parthenogenesis
  • pluripotent stem cells

ASJC Scopus subject areas

  • Rehabilitation
  • Obstetrics and Gynecology
  • Reproductive Medicine

Cite this

Discovery of a novel imprinted gene by transcriptional analysis of parthenogenetic embryonic stem cells. / Sritanaudomchai, Hathaitip; Ma, Hong; Clepper, Lisa; Gokhale, Sumita; Bogan, Randy; Hennebold, Jon; Wolf, Don; Mitalipov, Shoukhrat.

In: Human Reproduction, Vol. 25, No. 8, 08.2010, p. 1927-1941.

Research output: Contribution to journalArticle

Sritanaudomchai, Hathaitip ; Ma, Hong ; Clepper, Lisa ; Gokhale, Sumita ; Bogan, Randy ; Hennebold, Jon ; Wolf, Don ; Mitalipov, Shoukhrat. / Discovery of a novel imprinted gene by transcriptional analysis of parthenogenetic embryonic stem cells. In: Human Reproduction. 2010 ; Vol. 25, No. 8. pp. 1927-1941.
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