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Cited by 425

The DOI matches its Crossref record; 39 of the 39 references it cites were found in a registry or an index.

Ketamine-induced Neuroapoptosis in the Fetal and Neonatal Rhesus Macaque Brain

Open access
Brambrink, Ansgar M., Evers, Alex S., Avidan, Michael S., Farber, Nuri B., Smith, Derek J., Martin, Lauren D., Dissen, Gregory A., Creeley, Catherine E., Olney, John W.·2012·Anesthesiology

Abstract

Background: Exposure of rhesus macaque fetuses for 24 h or neonates for 9 h to ketamine anesthesia causes neuroapoptosis in the developing brain. The current study clarifies the minimum exposure required for and the extent and spatial distribution of ketamine-induced neuroapoptosis in rhesus fetuses and neonates. Method: Ketamine was administered by IV infusion for 5 h to postnatal day 6 rhesus neonates or to pregnant rhesus females at 120 days' gestation (full term = 165 days). Three hours later, fetuses were delivered by cesarean section, and the fetal and neonatal brains were studied for evidence of apoptotic neurodegeneration, as determined by activated caspase-3 staining. Results: Both the fetal (n = 3) and neonatal (n = 4) ketamine-exposed brains had a significant increase in apoptotic profiles compared with drug-naive controls (fetal n = 4; neonatal n = 5). Loss of neurons attributable to ketamine exposure was 2.2 times greater in fetuses than in neonates. The pattern of neurodegeneration in fetuses was different from that in neonates, and all subjects exposed at either age had a pattern characteristic for that age. Conclusion: The developing rhesus macaque brain is sensitive to the apoptogenic action of ketamine at both a fetal and neonatal age, and exposure duration of 5 h is sufficient to induce a significant neuroapoptosis response at either age. The pattern of neurodegeneration induced by ketamine in fetuses was different from that in neonates, and loss of neurons attributable to ketamine exposure was 2.2 times greater in the fetal than neonatal brains.

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Metadata

Authors
Brambrink, A. M., Evers, A. S., Avidan, M. S., Farber, N. B., Smith, D. J., Martin, L. D., Dissen, G. A., Creeley, C. E., & Olney, J. W.
Venue
Anesthesiology
Published
2012-02-01
Volume
116
Issue
2
Pages
372-384
ISSN
0003-3022 (ISSN-L)
OpenAlex
W2165399323
Cited by
425
References
39
FWCI
9.88
Type
journal article
Language
en
Open access
bronze

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CoChat. (2026). Citation check: Ketamine-induced Neuroapoptosis in the Fetal and Neonatal Rhesus Macaque Brain. https://app.cochat.ai/papers/10.1097/aln.0b013e318242b2cd
The paper
Brambrink, A. M., Evers, A. S., Avidan, M. S., Farber, N. B., Smith, D. J., Martin, L. D., Dissen, G. A., Creeley, C. E., & Olney, J. W. (2012). Ketamine-induced Neuroapoptosis in the Fetal and Neonatal Rhesus Macaque Brain. Anesthesiology. https://doi.org/10.1097/aln.0b013e318242b2cd

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