The effects of choline supplementation in mothers with hypothyroidism on the alteration of cognitive–behavioral, long‐term potentiation, morphology, and apoptosis in the hippocampus of pre‐pubertal offspring rats
Bibliographic record
Abstract
The mother's thyroid hormone status during gestation and the first few months after delivery can play a crucial role in maturation during the brain development of the child. Transient abnormalities in thyroid function at birth indicate developmental and cognitive disorders in adulthood. Choline supplementation during gestation and the perinatal period in rats causes long-lasting memory improvement in the offspring. However, it remains unclear whether choline is able to restore the deficits in rats with maternal hypothyroidism. The aim of this study was to evaluate the effects of choline supplementation on the alteration of cognitive-behavioral function, long-term potentiation (LTP), and morphological changes as well as apoptosis in pre-pubertal offspring rats. To induce hypothyroidism, 6-propyl-2-thiouracil was added to the drinking water from the 6th day of gestation to the 21st postnatal day (PND). Choline treatment was started twice a day on the first day of the gestation until PND 21 via gavage. LTP recording and Morris water maze (MWM) test were conducted at PND 28. Then, the rats were sacrificed to assess their brains. The results revealed that developmental thyroid hormone deficiency impaired spatial learning and memory and reduced LTP (both: P < 0.001). Choline treatment alleviated LTP (P < 0.001), as well as learning and memory deficits (P < 0.01) in both male and female hypothyroid rats. However, no significant changes were observed in the number of caspase-3 stained cells in choline-receiving hypothyroid groups. The results revealed that developmental thyroid hormone deficiency impaired spatial learning and memory and reduced LTP. Choline treatment alleviated LTP, as well as learning and memory deficits in both male and female hypothyroid rats.
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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".