Establishment of a New Cell Line from Lepidopteran Epidermis and Hormonal Regulation on the Genes
2008

Establishment of a New Cell Line from Insect Epidermis

publication Evidence: moderate

Author Information

Author(s): Shao Hong-Lian, Zheng Wei-Wei, Liu Peng-Cheng, Wang Qian, Wang Jin-Xing, Zhao Xiao-Fan

Primary Institution: School of Life Sciences, Shandong University, Jinan, China

Hypothesis

To understand the molecular mechanisms of integument remolding and hormonal regulation on gene expression in insects.

Conclusion

The newly established HaEpi cell line can be used to investigate hormonal regulation and gene expression in lepidopteran epidermis.

Supporting Evidence

  • The HaEpi cell line was cultured continuously for 82 passages.
  • The cell line responded to hormonal treatments with significant changes in gene expression.
  • Apoptosis was induced in the cell line by a non-self pathogen, demonstrating its utility for studying immune responses.

Takeaway

Scientists created a new type of insect cell line to study how hormones control growth and development in insects.

Methodology

The cell line was established from the integument of 5th instar Helicoverpa armigera larvae and cultured for over 82 passages.

Limitations

The study may not account for all physiological factors affecting gene expression in vivo.

Digital Object Identifier (DOI)

10.1371/journal.pone.0003127

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