ArticleIndian journal of gastroenterology : official journal of the Indian Society of Gastroenterology2019
Antibacterial spectrum of human omentum and differential expression of beta defensins.
Article in Indian journal of gastroenterology : official journal of the Indian Society of Gastroenterology, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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2 citing papers in PubMed, 2 citations in OpenAlex.
- Surgical relevance of a pedicled omental flap for the treatment of a recurrent giant mycotic left ventricular pseudoaneurysm: a case report and review of the literature.Journal of medical case reports · 2026Review
- Expression of Antimicrobial Peptides and Cytokines in Human Omentum Following Abdominal Surgery.Cureus · 2021Article
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7 authors at 3 institutions in 1 country.
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Abstract
backgroundHuman β defensins (hBD1 and hBD2) are cationic, cysteine-rich peptides and form an integral part of the mammalian innate immune system. hBD1 is constitutively expressed in epithelial cells, whereas hBD2 increases in response to bacterial infection. Human omentum is known for its anti-inflammatory properties and also possesses an antibacterial activity of its own. We hypothesized that antimicrobial peptides, β defensins, may govern host defense mechanism in the microbe-rich environment of the peritoneal cavity. Therefore, we analyzed the expression of hBD1 and hBD2 in omentum tissue in vivo and also studied the antibacterial activity of omentum against common pathogens. METHODOLOGY: Omentum tissues were obtained from 30 patients (15 cases and 15 controls). Real-time polymerase chain reaction (PCR) was used to evaluate the mRNA expression of hBD1 and hBD2. Protein quantification was done using Western blotting technique. Antibacterial susceptibility was performed to check the antibacterial activity of omentum.
resultSignificantly higher expression of hBD2 was observed in cases compared to controls at both the transcriptional and translational levels. In comparison with an array of antibiotics, activated omentum also showed antibacterial property even at lower concentration of its extract.
conclusionOmentum directly responds to bacterial infection, which may be due to differential expression of hBD1 and hBD2 in human omental tissue. These peptides (hBD1 and hBD2) may be an ideal candidate for novel antibiotic class with a broad-spectrum activity.
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