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Note: This study found no significant biological effects under its experimental conditions. We include all studies for scientific completeness.

Immune System

Effects of GSM-modulated 900 MHz radiofrequency electromagnetic fields on the hematopoietic potential of mouse bone marrow cells

No Effects Found

Rosado MM et al · 2014

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GSM cell phone radiation didn't impair bone marrow stem cells' ability to rebuild immune systems in mice.

Plain English Summary

Summary written for general audiences

Italian researchers exposed mice to GSM-modulated 900 MHz radiofrequency fields (the same type used in cell phones) and then transplanted their bone marrow cells into other mice to test immune system function. After 12 weeks, they found no differences in immune cell development, numbers, or function between bone marrow from RF-exposed mice versus unexposed controls. The study suggests that cell phone-type radiation doesn't impair the bone marrow's ability to produce healthy immune cells.

Exposure Information

A logarithmic frequency spectrum from 10 Hz to 100 GHz showing where this study's 900 MHz exposure sits relative to common EMF sources.Where This Frequency Sits on the EMF SpectrumELFVLFLF / MFHF / VHFUHFSHFmm10 Hz100 GHzThis study: 900 MHzPower lines50/60 Hz5G mm28 GHzLogarithmic scale
Cite This Study
Rosado MM et al (2014). Effects of GSM-modulated 900 MHz radiofrequency electromagnetic fields on the hematopoietic potential of mouse bone marrow cells.
Show BibTeX
@article{rosado_mm_et_al_september_2014_effects_of_gsm_modulated_900_mhz_radiofrequency_electromagnetic_fields_on_the_hematopoietic_potential_of_mouse_bone_marrow_cells_bioelectromagnetics_ce1800,
  author = {Rosado MM et al},
  title = {Effects of GSM-modulated 900 MHz radiofrequency electromagnetic fields on the hematopoietic potential of mouse bone marrow cells},
  year = {2014},
  doi = {10.1002/bem.21880},
  
}
DOI: 10.1002/bem.21880PubMed: 25256206

Quick Questions About This Study

This study found no evidence that GSM-modulated 900 MHz radiation impaired bone marrow stem cells' ability to generate functional immune cells when transplanted into recipient mice, suggesting these critical cells remain viable after RF exposure.
Bone marrow cells from mice exposed to cell phone-type radiation showed no deficits in repopulating immune organs or producing T and B cells compared to unexposed controls, indicating normal immune system development capacity.
Researchers measured immune function 12 weeks after transplanting bone marrow from RF-exposed mice, providing sufficient time to assess long-term effects on immune cell development and function in recipient animals.
The study measured thymocyte numbers, T and B cell populations, cell proliferation rates, and interferon gamma production to comprehensively assess whether RF exposure affected immune cell development and function.
Yes, both sham-exposed and RF-exposed mice showed reduced thymus repopulation compared to cage controls, indicating that restraint stress during exposure procedures may have influenced some results independent of radiation effects.