Loxosceles gaucho Venom and Kidney Injury
Author Information
Author(s): Lucato Rui V. Jr, Abdulkader Regina C. R. M., Barbaro Katia C., Mendes Glória E., Castro Isac, Baptista Maria A. S. F., Cury Patrícia M., Malheiros Denise M. C., Schor Nestor, Yu Luis, Burdmann Emmanuel A.
Primary Institution: Division of Nephrology, São José do Rio Preto Medical School, São José do Rio Preto, Brazil
Hypothesis
Does Loxosceles gaucho venom cause acute kidney injury and what are the mechanisms involved?
Conclusion
Loxosceles gaucho venom injection caused early acute kidney injury without changes in blood pressure, likely due to renal vasoconstriction and rhabdomyolysis.
Supporting Evidence
- Loxosceles gaucho venom caused a significant drop in glomerular filtration rate and renal blood flow.
- Venom infusion increased serum creatine kinase and aspartate aminotransferase levels.
- Histological analysis showed acute tubular cell degeneration without glomerular changes.
Takeaway
When a certain spider's venom gets into the body, it can hurt the kidneys even if it doesn't cause any visible wounds or change blood pressure.
Methodology
Rats were injected with Loxosceles gaucho venom or saline, and various kidney functions and histological changes were assessed.
Potential Biases
Potential bias in the selection of animal models and the interpretation of histological data.
Limitations
The study was conducted on rats, which may not fully replicate human responses to the venom.
Participant Demographics
Adult male Wistar rats weighing 150 to 270 g.
Statistical Information
P-Value
p<0.0001
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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