ArticleDigestive diseases and sciences2024
Hippocampal Microglia Activation Induced by Acute Pancreatic Injury in Rats.
Article in Digestive diseases and sciences, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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4 citing papers in PubMed, 5 citations in OpenAlex.
- Optimal analgesia after laparoscopic total hysterectomy with pre-pneumoperitoneum phrenic nerve block using different ropivacaine concentrations: randomized controlled trial.BMC anesthesiology · 2025Trial
- Nucleotide-Bound Oligomeric Domain-Like Receptor Protein 3 as a Serological Biomarker in Relation to Disease Severity and Delirium After Acute Pancreatitis: A Two-Center Prospective Cohort Study.International journal of general medicine · 2025Article
- Article
- Microglia at the blood brain barrier in health and disease.Frontiers in cellular neuroscience · 2024Review
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Authors and funding
10 authors at 2 institutions in 1 country.
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No grant is acknowledged in the PubMed record.
Abstract
backgroundAcute pancreatitis is an inflammation of the pancreatic glandular parenchyma that causes injury with or without the destruction of pancreatic acini. Clinical and experimental evidence suggest that certain systemic proinflammatory mediators may be responsible for initiating the fundamental mechanisms involved in microglial reactivity. Here, we investigated the possible repercussions of acute pancreatitis (AP) on the production of inflammatory mediators in the brain parenchyma focusing on microglial activation in the hippocampus.
methodsThe acute pancreatic injury in rats was induced by a pancreas ligation surgical procedure (PLSP) on the splenic lobe, which corresponds to approximately 10% of total mass of the pancreas. Blood samples were collected via intracardiac puncture for the measurement of serum amylase. After euthanasia, frozen or paraffin-embedded brains and pancreas were analyzed using qRT-PCR or immunohistochemistry, respectively.
resultsImmunohistochemistry assays showed a large number of Iba1 and PU.1-positive cells in the CA1, CA3, and dentate gyrus (DG) regions of the hippocampus of the PLSP group. TNF-α mRNA expression was significantly higher in the brain from PLSP group. NLRP3 inflammasome expression was found to be significantly increased in the pancreas and brain of rats of the PLSP group. High levels of BNDF mRNA were found in the rat brain of PLSP group. In contrast, NGF mRNA levels were significantly higher in the control group versus PLSP group.
conclusionOur findings suggest that AP has the potential to induce morphological changes in microglia consistent with an activated phenotype.
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