Genomic analyses identify agents regulating somatotroph and lactotroph functions

Jun Fan, Cui Zhang, Qi Chen, Jin Zhou, Jean Louis Franc, Qing Chen, Yunguang Tong

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

Isolated hormone deficiency might be caused by loss of a specific type of endocrine cells, and regenerating these missing cells may provide a new option for future treatment. It is known that POU1F1 lineage cells can differentiate into thyrotroph, somatotroph, and lactotroph. However, there is no effective way of controlling pituitary stem/progenitor cells to differentiate into a specific type of endocrine cell. We thereby analyzed multiple genomic publications related to POU1F1 and pituitary development in this study to identify genes and agents regulating POU1F1 lineage cell differentiation. ANOVA analyses were performed to obtain differentially expressed genes. Ingenuity pathway analyses were performed to obtain signaling pathways, interaction networks, and upstream regulators. Venn diagram was used to determine the overlapping information between studies. Summary statistics was performed to rank genes according to their frequency of occurrence in these studies. The results from upstream analyses indicated that 326 agents may regulate pituitary cell differentiation. These agents can be categorized into 12 groups, including hormones and related pathways, PKA-cAMP pathways, p53/DNA damaging/cell cycle pathways, immune/inflammation regulators, growth factor and downstream pathways, retinoic/RAR pathways, ROS pathways, histone modifications, CCAAT/enhancer binding protein family, neuron development/degeneration pathways, calcium related and fat acid, and glucose pathways. Additional experiments demonstrated that H2O2 and catalase differentially regulate growth hormone and prolactin expression in somatolactotroph cells, confirming potential roles of ROS pathway on regulating somatotroph and lactotroph functions.

Original languageEnglish (US)
Pages (from-to)693-704
Number of pages12
JournalFunctional and Integrative Genomics
Volume16
Issue number6
DOIs
StatePublished - Nov 1 2016

Fingerprint

Lactotrophs
Somatotrophs
Endocrine Cells
Cell Differentiation
Stem Cells
Histone Code
Thyrotrophs
Hormones
CCAAT-Enhancer-Binding Proteins
Genes
Nerve Degeneration
Prolactin
Catalase
Growth Hormone
Publications
Intercellular Signaling Peptides and Proteins
Analysis of Variance
Cell Cycle
Fats
Inflammation

Keywords

  • Bioinformatics
  • Lactotroph
  • Pituitary
  • Pou1f1
  • Somatotroph

ASJC Scopus subject areas

  • Genetics

Cite this

Genomic analyses identify agents regulating somatotroph and lactotroph functions. / Fan, Jun; Zhang, Cui; Chen, Qi; Zhou, Jin; Franc, Jean Louis; Chen, Qing; Tong, Yunguang.

In: Functional and Integrative Genomics, Vol. 16, No. 6, 01.11.2016, p. 693-704.

Research output: Contribution to journalArticle

Fan, Jun ; Zhang, Cui ; Chen, Qi ; Zhou, Jin ; Franc, Jean Louis ; Chen, Qing ; Tong, Yunguang. / Genomic analyses identify agents regulating somatotroph and lactotroph functions. In: Functional and Integrative Genomics. 2016 ; Vol. 16, No. 6. pp. 693-704.
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