Helicobacter pylori (H. pylori) bacteria can infect the stomach lining and digestive tract, leading to gastrointestinal (GI) conditions such as gastritis (inflammation of the stomach lining) and stomach and intestinal ulcers.
Interestingly enough, most people who have H.pylori don't have any symptoms. But when H.pylori causes inflammation of the stomach or ulcers, symptoms such as burning or dull pain in the upper abdomen can occur. You may also experience worse pain on an empty stomach, nausea, bloating, and burping. If ulcers start to bleed, it can lead to blood in the stool or vomit, low blood cell counts, and fatigue.
Conventional H.pylori antibiotic treatments typically consist of two to three antibiotics like clarithromycin, amoxicillin, and metronidazole that are used together with a proton pump inhibitor like omeprazole. Your doctor may also want you to take Pepto-Bismol. However, there is ongoing research on alternative approaches, including peptide therapies.
Today, we’ll talk about these peptide therapies and how they may work against H.pylori.
It's important to note that the efficacy and safety of these therapies may vary, and they should only be considered under the guidance of healthcare professionals.
Some peptides that have been studied for their potential effects against H. pylori:
Antimicrobial Peptides (AMPs): AMPs are small peptides with antimicrobial properties. Some AMPs have demonstrated activity against H. pylori in laboratory studies. They may work by disrupting the bacterial cell membrane or interfering with essential bacterial functions.
LL-37 (L-L- three-seven): LL-37 has both antimicrobial and immunomodulatory effects by influencing the host's immune response.
Bovine Lactoferrin: Lactoferrin is a multifunctional protein found in milk and other bodily fluids. Peptides derived from lactoferrin have been studied for both their immunomodulatory and antibacterial properties, including their potential to modulate the immune response against H. pylori.
α-Defensins: α-Defensins are a family of antimicrobial peptides found in the innate immune system (skin and the lining of your digestive and respiratory systems). These work against H. pylori by disrupting the bacterial cell membrane.
Hepcidin (Hep-suh-dn): While its primary role is in iron regulation, hepcidin has been investigated for antimicrobial effects against various bacteria, including H. pylori.
Histatin (hǏ-statin): Histatins are found in human saliva. Some studies have suggested that certain histatins may have inhibitory effects on H. pylori, contributing to the antimicrobial activity of saliva.
Immunomodulatory Peptides: Peptides that modulate the immune system could help manage H. pylori infection. These peptides may enhance the host immune response, facilitating the clearance of the bacteria.
β-Defensins: β-Defensins modulate the immune response against H. pylori and contribute to the host's defense mechanisms.
Thymosin Alpha-1 (TA-1): This peptide contributes to immune modulation in the context of H. pylori infection.
Probiotic-Derived Peptides: Some peptides derived from probiotic bacteria have been explored for their potential to inhibit the growth of H. pylori. Probiotics are “good bacteria" that may make the stomach and GI tract less hospitable to H.pylori. Some examples include:
Lactobacillus reuteri (ro-tir-ree)
Lactobacillus acidophilus
Bifodobacterium bifidum
Streptococcus thermophilus (therm-oph-i-lus)
Thanks again for listening to The Peptide Podcast. We love having you as part of our community. If you love this podcast, please share it with your friends and family on social media, and have a happy, healthy week!
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16 сен 2024
