ArticleShock (Augusta, Ga.)2026
Probiotic Bifidobacterium Confers Protection Against Heat Stroke Through Enhancement of Intestinal Barrier Function in Rats.
Article in Shock (Augusta, Ga.), 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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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.
- Heat stress-induced gut dysbiosis and multi-organ injury: mechanisms and therapeutic modulation.Frontiers in cellular and infection microbiology · 2026Review
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Authors and funding
13 authors.
Funding
Abstract
objectiveIntestinal barrier disruption is central to heat stroke (HS) pathogenesis. Probiotics such as Bifidobacterium may offer protection. This study aimed to investigate the mechanism by which Bifidobacterium preserves intestinal mucosal barrier integrity in a rat model of HS.
methodsA total of 32 rats received Bifidobacterium (Con-BB and HS-BB) or saline (Con-NS, HS-NS) for 14 days. HS was induced via forced running in heat/humidity. Serum markers (tissue damage, inflammation, and barrier injury), histopathology, and gut microbiota were analyzed.
resultsCompared with the HS-NS group, the HS-BB group showed a marked reduction in the characteristic histopathological injuries of the liver, kidney, and intestine, along with increased expression of ileal ZO-1 and colonic Occludin proteins ( P < 0.05). Serum biomarkers reflecting tissue damage (total bilirubin and lactate dehydrogenase) and inflammation-6 were all significantly decreased in the HS-BB group ( P < 0.05). Gut microbiota composition differed markedly between the HS-BB and HS-NS groups; Psychrobacter abundance was significantly reduced in HS-BB and identified as a key discriminator. Furthermore, expression of heat shock proteins (HSPs) (colonic HSP27 and HSP70) was significantly elevated in HS-BB compared with the HS-NS group. Strong positive correlations existed between ileal Occludin and HSP27 ( r = 0.886, P = 0.019), and ileal ZO-1 and HSP70 ( r = 0.829, P = 0.042).
conclusionsBifidobacterium pretreatment conferred significant multiorgan protection and reduced systemic inflammation in HS rats. The core protective mechanism involves preserving intestinal mucosal barrier function. Maintaining intestinal mucosal barrier integrity may represent a promising strategy for the prevention of HS and the mitigation of associated systemic inflammatory responses and multiple organ dysfunction syndrome.
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