ArticleDiabetes2025
Hypothalamic Prostaglandins Facilitate Recovery From Severe Hypoglycemia but Exacerbate Recurrent Hypoglycemia in Mice.
Article in Diabetes, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
1 citing paper in PubMed.
- Suppression of Cytosolic Phospholipase A2 in the Ventromedial Hypothalamus Induces Hyperphagia and Obesity in Male Mice.International journal of molecular sciences · 2025Article
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Authors and funding
13 authors.
Funding
Abstract
The hypothalamus monitors blood glucose levels and regulates glucose production in the liver. In response to hypoglycemia, glucose-inhibited (GI) neurons trigger counterregulatory responses (CRRs), which stimulate the release of glucagon, epinephrine, and cortisol to elevate blood glucose. Recurrent hypoglycemia (RH), however, reduces the effectiveness of these CRRs. This study examined the role of hypothalamic prostaglandins in glucose recovery during acute hypoglycemia and RH. Imaging mass spectrometry and liquid chromatography/mass spectrometry showed phospholipid and prostaglandin levels in the hypothalamus of C57BL mice were changed after insulin or 2-deoxy-glucose administration. Ibuprofen, a nonsteroidal anti-inflammatory drug, was infused into the ventromedial hypothalamus (VMH) to analyze its effect on glucose production during hypoglycemia, revealing that prostaglandin inhibition decreased glucagon secretion. Additionally, RH-treated mice decreased glucagon release and glucose production during hypoglycemia. Inhibiting prostaglandin production via shRNA against cytosolic phospholipase A2 (cPLA2) in the hypothalamus restored CRRs diminished by RH via increasing glucagon sensitivity. These findings suggest that hypothalamic prostaglandins play a critical role in glucose recovery from acute hypoglycemia by activating VMH neurons and are also crucial for the attenuation of CRRs during RH. ARTICLE HIGHLIGHTS:
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