Oxidative stress and cell death in the cerebral cortex as a long-term consequence of neonatal hypoglycemia
Bibliographic record
Abstract
Neonatal hypoglycemia limits glucose supply to cells leading to long-term consequences in brain function. The present study evaluated antioxidant and cell death factors' alterations in cerebral cortex of 1-month-old rats exposed to neonatal hypoglycemia. Gene expression studies by real-time PCR were carried out using gene-specific TaqMan probes. Fluorescent dyes were used for immunohistochemistry and nuclear staining and imaged by confocal microscope. Total antioxidant level and expression of antioxidant enzymes - superoxide dismutase (SOD) and gluthathione peroxide (GPx) - mRNA was significantly reduced along with high peroxide level in the cerebral cortex of 1-month-old rats exposed to neonatal hypoglycemia. Real-time PCR analysis showed an upregulation of Bax, caspase 3, and caspase 8 gene expression. Confocal imaging with TOPRO-3 staining and immunohistochemistry with caspase 3 antibody indicated cell death activation. The reduced free radical scavenging capability coupled with the expression of key factors involved in cell death pathway points to the possibility of oxidative stress in the cortex of 1-month-old rats exposed to neonatal hypoglycemia. The observed results indicate the effects of neonatal hypoglycemia in determining the antioxidant capability of cerebral cortex in a later stage of life.
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How this classification was reachedexpand
Full frame machine prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. The Gemma side is a direct model label for every work in the frame, read from the title-only record. The Codex side is a classifier learned from the 10,348 direct Codex labels and calibrated to design-weighted sample rates; fields without enough sample support carry no Codex call. Candidate is the union of the two sides; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels.
Distilled classifier scores by category (both heads)
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.000 | 0.000 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.000 | 0.000 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.001 |
| Insufficient payload (model declined to judge) | 0.001 | 0.000 |
Machine scores (provisional)
The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.
Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from itClassification
machine, unvalidatedMachine predicted; a candidate call from one source (direct Gemma or distilled Codex), not a consensus.
How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".