Developmental expression of chemokine receptor genes in the human fetus

Wenge Lu, Jason A. Gersting, Akhil Maheshwari, Robert D. Christensen, Darlene A. Calhoun

Research output: Contribution to journalArticle

Abstract

Background: Chemokines induce cell motility during embryogenesis by activating specific receptors. While the orchestration of organogenesis is complex and requires the interaction of many morphoregulatory molecules that lead to coordinated organ development, limited knowledge exists regarding the human developmental biology of chemokines and their receptors. Such information on chemokine receptor expression could potentially enhance our understanding of organogenesis in the normal human fetus. Aim: To determine the distribution of the CXC receptors (CXCR-1, CXCR-2, CXCR-3, and CXCR-4) and SDF-1 in human fetuses. Subjects: Tissues from human fetuses 12-15 weeks (n=5) and 16-19 weeks (n=5) gestation were studied. Outcome measures: Reverse transcription-PCR was performed to simultaneously determine the gene expression of CXCR-1-4 and SDF-1, and immunohistochemical staining of non-hematopoietic tissues was used to determine the specific cellular proteins. Results: CXCR-1-4 and SDF-1 mRNA were present in every tissue examined. The expression of CXCR-3 in kidney, liver, and brain was dependent upon gestational age. CXCR-1-4 protein was expressed in non-hematopoietic cells in the brain, heart, intestine, and kidney. Conclusions: CXCR-1-4 and SDF-1 genes are widely expressed in the normal human fetus. This suggests that these gene products could influence fetal development.

Original languageEnglish (US)
Pages (from-to)489-496
Number of pages8
JournalEarly Human Development
Volume81
Issue number6
DOIs
StatePublished - Jun 1 2005
Externally publishedYes

Fingerprint

Chemokine Receptors
Fetus
Organogenesis
Genes
CXCR Receptors
Kidney
Developmental Biology
Brain
Fetal Development
Chemokines
Gestational Age
Reverse Transcription
Intestines
Embryonic Development
Cell Movement
Proteins
Outcome Assessment (Health Care)
Staining and Labeling
Gene Expression
Pregnancy

Keywords

  • Cell motility
  • Chemokines
  • CXCR
  • Embryogenesis
  • SDF-1

ASJC Scopus subject areas

  • Pediatrics, Perinatology, and Child Health

Cite this

Developmental expression of chemokine receptor genes in the human fetus. / Lu, Wenge; Gersting, Jason A.; Maheshwari, Akhil; Christensen, Robert D.; Calhoun, Darlene A.

In: Early Human Development, Vol. 81, No. 6, 01.06.2005, p. 489-496.

Research output: Contribution to journalArticle

Lu, Wenge ; Gersting, Jason A. ; Maheshwari, Akhil ; Christensen, Robert D. ; Calhoun, Darlene A. / Developmental expression of chemokine receptor genes in the human fetus. In: Early Human Development. 2005 ; Vol. 81, No. 6. pp. 489-496.
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