Silkworm Hemolymph Down-Regulates the Expression of Endoplasmic Reticulum Chaperones under Radiation-Irradiation
2011

Silkworm Hemolymph and Its Effects on ER Chaperones Under Radiation

publication Evidence: moderate

Author Information

Author(s): Lee Kyeong Ryong, Kim Seung-Whan, Kim Young Kook, Kwon Kisang, Choi Jong-Soon, Yu Kweon, Kwon O-Yu

Primary Institution: Konkuk University Medical Center

Hypothesis

Does silkworm hemolymph affect the expression of endoplasmic reticulum chaperones in PC12 cells under radiation exposure?

Conclusion

Silkworm hemolymph down-regulates the expression of ER chaperones in irradiated PC12 cells, except for irp94.

Supporting Evidence

  • Radiation induces up-regulation of ER chaperones in PC12 cells.
  • Silkworm hemolymph decreases the expression of ER chaperones when added to irradiated cells.
  • Irp94 expression remains unchanged despite the addition of silkworm hemolymph.

Takeaway

When cells are exposed to radiation, they usually produce proteins to help them cope, but adding silkworm fluid makes them produce fewer of these helper proteins, except for one special protein.

Methodology

PC12 cells were irradiated and treated with silkworm hemolymph, and gene expression was measured using RT-PCR.

Limitations

The exact molecular mechanisms of how silkworm hemolymph affects ER chaperone expression remain unclear and require further investigation.

Digital Object Identifier (DOI)

10.3390/ijms12074456

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