BPC-157

BPC-157

The BPC-157 research peptide represents a potential healing compound, which after research in humans could be a successful remedy for many kinds of injuries, including organ, glut, skin disorders and wounds. This partial sequence from human gastric protective protein BPC, which is naturally found in the human digestive tract and has been derived from human gastric juices was discovered in the 1990s by a group of scientists studying its impact mostly on gastrointestinal functions and wound healing.

In numerous studies in cultures and animals the penta-decapeptide has demonstrated consistently positive and prompt healing effects for most of the systemic or traumatic injuries. This high regenerative and healing ability was found to function not only for plethora of soft tissues, muscles and ligaments, but also for inner organs, skin, nervous system and treating problems as ulcers, Crohn's disease or leaky gut problems. It also has analgesic effects and enhances reticulin and collagen production, angiogenesis, along with stimulation of macrophage and fibroblast infiltration. Furthermore, research studies have also shown its ability to assist in faster healing of chemical skin burns by increasing blood flow to damaged tissues.

Despite there are still clinical studies in humans missing the peptide has great potential, and further development could bring a therapy for numerous recovery processes. Let us show a glimpse of research study conclusions on BPC-157.

Research Confirmed Effects

1. BPC-157 in Wound Healing Research

There are several studies aimed to clarify the exact mechanism of BPC-157 wound healing. Research in male rats explored the effect of BPC-157 on fibroblasts isolated from Achilles tendon. According to the cDNA microarray analysis BPC-157 increased the expression of growth hormone receptor in tendon fibroblasts. These are the cells, which are an integral part of wound healing, and are responsible for storing extracellular matrix proteins such as collagen, fibrin, elastin, etc. BPC-157 has been shown to affect fibroblast proliferation in culture and in vivo in a dose-dependent, and time-dependent manner, and the cells both proliferate and migrate faster as a result. To confirm the results tendon fibroblasts were treated with BPC-157 at different concentration for 24 h, showing that the expression of GH receptor increases in dose-dependent manner causing proliferatio-promoting effect of GH which could have potential healing effect. Up to sevenfold increases were observed at day three.

BPC-157 was explored as a potential reagent for treating chemically burned skin in deeply injured tissues in alkali burn injuries of rats. The results showed that the peptide could accelerate the healing process by the mechanism associated with accelerated granulation tissue formation, reepithelialization, dermal remodeling, and collagen deposition through ERK1/2 signaling pathway.

2. BPC-157 and Effect on Vascular Growth and Vessel Collateralization

Vascular growth plays an important role in growth of tissues and regeneration in the body, and refers to the process by which blood vessels develop and grow. Various physiological and pathological states, such as wound healing, tumor growth or regeneration after damage can be connected with this processes. Studies indicated, that BPC-157 is a strong angiogenic factor that stimulates the growth rate and proliferation of endothelial cells. Part of the mechanism by which BPC-157 promotes vascular endothelial cell growth occurs through stimulation of the cell surface receptor VEGFR2, which is active in the nitric oxide signaling pathway. In vitro study using human vascular endothelial cells further confirmed the increased mRNA and protein expressions of VEGFR2 but not VEGF-A.

Research in rats investigated whether duodenal lesions induced by major venous occlusions can be reduced by BPC 157 peptide regardless nitric oxide (NO) system participation, and came to conclusion, that the peptide quickly avoided occlusion, and could rescue the original duodenal flow. This happened through the inferior anterior pancreaticoduodenal vein to superior mesenteric vein flow, which is an effect related to the NO system and reduction of free radical formation.

This stable gastric penta-decapeptide was used also to provide new insights in treatment of colitis and ischemia and reperfusion in rats, where it was able to quickly restore blood supply to the ischemically injured areas and rapidly activated the growth rate of collateral blood vessels involved the NO system. Another new insight showed, that BPC 157 application largely decreased or even completely removed all results of inferior cavil vein ligation in rats such as direct vein injury, thrombosis, thrombocytopenia or prolonged bleeding. Further, it can be concluded that BPC-157 alleviates GI lesions, but also lesions in liver and brain as well as cardiovascular, neurological, and muscular tissue, for which there is already some research evidence. BPC-157 activates vessel passing by the defected area, and making collateral veins functioning - reestablishing blood flow in injured area.

3. BPC-157 As a Cytoprotective Mediator

BPC-157 is also known as anti-ulcer peptide which can heal and protect different body organ lesions while preserving the natural integrity of the mucosal barrier in the GI tract. The peptide works in large scale of beneficial effects even much more than standard cytoprotective agents do. BPC 157 as prototype cytoprotective agent should also control blood vessel function, depending upon injury, perforated defect or vessel obstruction.

4. Tendon Healing With BPC-157

Tendon injuries are very common, their healing is often difficult, and very slow. In addition, the healed tendons are usually weaker than before injury. New therapeutical treatment is therefore important to develop. BPC-157 accelerates fibroblasts recruitment, and blood supply into injured tissues, it promotes wound regeneration in tendons, ligaments, muscles and bones, which has been demonstrated in vitro and in vivo research on rat tendons. Research concluded that the peptide was more effective than the hormones bFGF, EFG, and VGF in promoting healing the tissues accurately implementing its own angiogenic healing effect.

Furthermore, BPC-157 is a potent stimulator of F-actin production in fibroblasts, which was revealed by experiments using FITC-phalloidin staining, and analysis by Western blotting showed that BPC-157 enhances phosphorylation of paxillin and FAK proteins - critical proteins in the cell migration pathway. In conclusion, BPC 157 promotes the ex vivo outgrowth of tendon fibroblasts from tendon explants, cell survival under stress, and the in vitro migration of tendon fibroblasts, which is likely mediated by the activation of the FAK-paxillin pathway.

5. Potential Antioxidant Effects of BPC-157

The BPC-157 peptide also appears to be a potent antioxidant and can neutralize markers of oxidative stress such as nitric oxide (NO) and malondialdehyde (MDA). Research in rats showed that it can reduce the production of reactive oxygen species in the GI tract. Lactic acid bacteria have been investigated as a suitable means of delivering therapeutic proteins or peptides to mucosal surfaces in the body. BPC-157 is able to prevent and treat gastrointestinal inflammation by reducing the production of reactive oxygen species. In this study, Lactococcus lactis was used as a vector to deliver BPC-157 to the surface of GI.

6. BPC-157 Eliminates The Side Effects of Some Drugs

Another potential benefit that the BPC-157 peptide has been found to have is counteracting the side effects of certain drugs. These are mainly non-steroidal anti-inflammatory drugs (NSAIDs), drugs given for psychiatric conditions or heart medications, neuroleptics and prokinetics. Due to serious side effects many cannot be taken long-term. But the peptide helps to eliminate side effects acting not only on the GI tract but also on the brain, heart or other tissues, again confirmed by animal studies.

Of particular interest is the action of BPC-157 in the context of cardiac arrhythmias. Commonly, neuroleptics and prokinetics induce a prolonged QTc interval. The peptide in fact, can protect against prolongation of the QTc state of the heart in rats under daily administration of dopamine neuroleptics or prokinetics, which can lead to serious or even fatal arrhythmias. Previously, in rats and mice, BPC 157 also counteracted neuroleptic-induced catalepsy and gastric ulcers. This happens, for example, also when taking medications for diabetes, schizophrenia and other psychiatric conditions. It has been shown to fully interact with dopamine system, centrally and peripherally.

7. Effect of BPC-157 on Bees

Experiments on oral administration of sugar syrup with BPC-157 into the GI tract of honey bees have reported positive effects on Nosema Ceranae invasions and so-called CCD syndrome of colony collapse disorder. However, it is thought that this disease could be caused by an infection in the bees' gut caused by the fungus Nosema ceranae, which often causes enormous damage and the death of entire colonies of bees. Supplementing the bees' diet during 21 consecutive days with BPC-157 reduced the damage, in particular, the damage of the outer muscular coat, and increased the survival rate of the colonies in field.

8. Conclusion

BPC-157 has been the subject of research in cell culture, particularly in animals, and looks very promising not only as a therapeutic agent for wound healing or regulation of vascular growth, but also as a tool to examine these processes in detail. Further research also in humans would be very favorable. The peptide could also shed more light on the process of angiogenesis, which is important in wound healing, but also in cancer growth and development and in embryogenesis. However, the peptide had minimal side effects in mice.

📚 Academic References & Citations

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