In rats, giving BPC-157 before a lower-extremity ischemia-reperfusion procedure significantly reduced damage to the liver, kidneys, and lungs by boosting antioxidant defenses.
3 organs protectedBPC-157 significantly reduced tissue damage in the liver, kidneys, and lungs after lower-extremity ischemia-reperfusion in rats
What the researchers found
BPC-157 significantly protected the liver, kidneys, and lungs from damage caused by ischemia-reperfusion injury in the lower extremities of rats. In the group that received BPC-157 before the procedure, kidney tissue showed markedly less vacuolization, tubular dilation, and cell shedding. Lung tissue had reduced edema and congestion, and liver tissue showed less sinusoidal dilation, necrosis, and immune cell infiltration.
Biochemical markers backed up the tissue findings: antioxidant activity (measured by TAS) was significantly higher in all three organs of BPC-157-treated rats, while oxidative stress markers (TOS and OSI) were lower. The antioxidant enzyme PON-1 was also elevated in the treatment group.
Why it matters
When blood flow is cut off and then restored to a limb — as happens during surgery, trauma, or tourniquet use — the resulting inflammatory cascade can damage organs far from the original injury site. This study suggests BPC-157 may help protect those distant organs by boosting antioxidant defenses and reducing inflammation, though this has only been shown in rats so far.
The numbers in context
n=24 rats · 4 groups of 6 · 45 min ischemia + 2 h reperfusion · significant increases in TAS and PON-1 in liver, kidney, and lung · significant decreases in TOS and OSI
How the study worked
24 male Wistar albino rats were divided into four groups of six: sham, BPC-157 only, ischemia-reperfusion (I/R) only, and I/R plus BPC-157. The I/R groups had blood flow to the lower extremities blocked for 45 minutes, followed by 2 hours of restored blood flow. BPC-157 was administered at the start of the procedure. After reperfusion, liver, kidney, and lung tissues were collected for both histopathological examination and biochemical analysis of oxidative stress markers.
Who was studied
Male Wistar albino rats
What this study cannot tell us
This is an animal study with only 6 rats per group, so findings may not translate to humans. The study used a single dose of BPC-157 given preventively before injury, which doesn't reflect how it might be used clinically. Long-term effects and optimal dosing were not explored. The specific dose of BPC-157 used is not detailed in the abstract.
How to read the evidence
This is a preliminary-grade animal study using a small sample of 24 rats. While the results are statistically significant across multiple organs and measurement types, no human data exists for this specific application.
When this study was published
Published in 2025, this is a very recent preclinical study reflecting current interest in BPC-157's organ-protective properties.
The bigger picture
Ischemia-reperfusion injury is a major clinical concern in surgeries involving tourniquets, organ transplantation, and trauma care. Finding agents that can protect distant organs from this cascade of damage could improve outcomes in these high-risk situations. BPC-157 has been studied in various animal models for its protective properties, and this study adds multi-organ protection to its growing list of preclinical effects — though human trials are still needed.
Questions still open
- Would BPC-157 still protect distant organs if given after reperfusion begins, rather than before?
- What is the optimal dose and timing of BPC-157 for organ protection in ischemia-reperfusion scenarios?
- Can these protective effects be replicated in larger animals or eventually in human surgical settings?
Common questions
What is ischemia-reperfusion injury and why does it affect distant organs?
Does this study prove BPC-157 can protect human organs during surgery?
Read the original research
Protective Effects of BPC 157 on Liver, Kidney, and Lung Distant Organ Damage in Rats with Experimental Lower-Extremity Ischemia-Reperfusion Injury.
Medicina (Kaunas, Lithuania), 61(2)
Citation
Demirtaş, Hüseyin; Özer, Abdullah; Yıldırım, Alperen Kutay; Dursun, Ali Doğan; Sezen, Şaban Cem; Arslan, Mustafa. (2025). Protective Effects of BPC 157 on Liver, Kidney, and Lung Distant Organ Damage in Rats with Experimental Lower-Extremity Ischemia-Reperfusion Injury.. Medicina (Kaunas, Lithuania), 61(2). https://doi.org/10.3390/medicina61020291