Tentative indicators of malaria in archaeological skeletal samples, a pilot study testing different methods.
Ioana Cătălina Paica1, Ioana Rusu2, Octavian Popescu3
1Institute of Biology Bucharest of Romanian Academy, Bucharest, 060031, Romania.
International Journal of Paleopathology
|February 1, 2023
Summary
Detecting ancient malaria in skeletal remains proved challenging. While rapid tests showed malaria antigens, parasite DNA was undetectable, highlighting the need for improved bioarchaeological methods.
Area of Science:
- Bioarchaeology
- Paleopathology
- Infectious Disease Research
Background:
- Malaria has a significant impact on human populations globally.
- Understanding malaria's historical prevalence is crucial for public health.
- Archaeological skeletal remains offer insights into past diseases.
Purpose of the Study:
- To investigate the presence of malaria in 17th-century Romanian skeletal samples.
- To integrate multiple diagnostic methods for malaria detection in ancient human remains.
- To evaluate the efficacy of different methods for identifying Plasmodium falciparum in archaeological contexts.
Main Methods:
- Analysis of 33 human skeletal samples from a 17th-century Romanian archaeological site.
- Application of rapid diagnostic tests for malaria antigens.
- PCR amplification for Plasmodium falciparum DNA detection.
- Preliminary hemozoin identification using Transmission Electron Microscopy (TEM) and diffraction.
Main Results:
- Rapid diagnostic tests indicated malaria antigens in over half of the samples.
- No Plasmodium falciparum genetic material was detected via PCR.
- TEM imaging suggested hemozoin as a potential diagnostic marker for ancient malaria.
Conclusions:
- Unequivocal identification of malaria in the studied archaeological population was not achieved.
- Current methodological strategies present limitations for straightforward malaria diagnosis in ancient bones.
- Further research is needed to refine techniques for detecting malaria in past populations.
