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Original Article
Neonatology (Perinatology)
Effects of carnosine and hypothermia combination therapy on hypoxic-ischemic brain injury in neonatal rats
Jun Chul Byun, Seong Ryong Lee, Chun Soo Kim
Clin Exp Pediatr. 2021;64(8):422-428.   Published online February 24, 2021
Question: How can we further improve the neuroprotective effects of hypothermia in newborns with hypoxic-ischemic (HI) brain injury?
Finding: Combination carnosine and hypothermia therapy effectively reduced brain damage in neonatal rats. The in situ zymography, terminal deoxynucleotidyl transferase-mediated dUTP nick end-labeling assay, and immunofluorescence study results showed that neuroprotective effects were achieved with combination therapy only.
Meaning: Carnosine and hypothermia have synergistic neuroprotective effects against brain damage following HI injury
Hypoxia-inducible factor: role in cell survival in superoxide dismutase overexpressing mice after neonatal hypoxia-ischemia
Ga Won Jeon, R. Ann Sheldon, Donna M Ferriero
Clin Exp Pediatr. 2019;62(12):444-449.   Published online October 18, 2019
Background: Sixty percent of infants with severe neonatal hypoxic-ischemic encephalopathy die, while most survivors have permanent disabilities. Treatment for neonatal hypoxic-ischemic encephalopathy is limited to therapeutic hypothermia, but it does not offer complete protection. Here, we investigated whether hypoxia-inducible factor (HIF) promotes cell survival and suggested neuroprotective strategies.
Purpose: HIF-1α-deficient mice have increased brain injury after neonatal hypoxia-ischemia (HI), and the...
The neuroprotective effect of recombinant human erythropoietin via an antiapoptotic mechanism on hypoxic-ischemic brain injury in neonatal rats
Moon Sun Kim, Yoo Kyung Seo, Hye Jin Park, Kye Hyang Lee, Kyung Hoon Lee, Eun Jin Choi, Jin Kyung Kim, Hai Lee Chung, Woo Taek Kim
Clin Exp Pediatr. 2010;53(10):898-908.   Published online October 31, 2010
Purpose

The neuroprotective effects of erythropoietin (EPO) have been recently shown in many animal models of brain injury, including hypoxic-ischemic (HI) encephalopathy, trauma, and excitotoxicity; however, limited data are available for such effects during the neonatal periods. Therefore, we investigated whether recombinant human EPO (rHuEPO) can protect against perinatal HI brain injury via an antiapoptotic mechanism.

Methods

The left carotid artery was ligated...

Taurine exerts neuroprotective effects via anti-apoptosis in hypoxic-ischemic brain injury in neonatal rats
Ji Eun Jeong, Tae Yeol Kim, Hye Jin Park, Kye Hyang Lee, Kyung Hoon Lee, Eun Jin Choi, Jin Kyung Kim, Hai Lee Chung, Eok Su Seo, Woo Taek Kim
Clin Exp Pediatr. 2009;52(12):1337-1347.   Published online December 15, 2009
Purpose : Taurine (2-aminoethanesulfonic acid) is a simple sulfur-containing amino acid. It is abundantly present in tissues such as brain, retina, heart, and skeletal muscles. Current studies have demonstrated the neuroprotective effects of taurine, but limited data are available for such effects during neonatal period. The aim of this study was to determine whether taurine could reduce hypoxic-ischemic (HI) cerebral...
Neuroprotective effects of resveratrol via anti-apoptosis on hypoxic-ischemic brain injury in neonatal rats
Jin Young Shin, Min Ae Seo, Eun Jin Choi, Jin Kyung Kim, Eok Su Seo, Jun Hwa Lee, Hai Lee Chung, Woo Taek Kim
Clin Exp Pediatr. 2008;51(10):1102-1111.   Published online October 15, 2008
Purpose : Resveratrol, extracted from red wine and grapes, has an anti-cancer effect, an antiinflammatory effect, and an antioxidative effect mainly in heart disease and also has neuroprotective effects in the adult animal model. No studies for neuroprotective effects during the neonatal periods have been reported. Therefore, we studied the neuroprotective effect of resveratrol on hypoxic-ischemic brain damage in neonatal...
Neuroprotective effects of geneticin (G418) via apoptosis in perinatal hypoxic-ischemic brain injury
Mi Ju, Hyun Ju Lee, Sun Ju Lee, Eo Su Seo, Hye Jin Park, Kye Yang Lee, Gyeong Hoon Lee, Eun Jin Choi, Jin Kyung Kim, Jong Won Lee, Hai Lee Chung, Woo Taek Kim
Clin Exp Pediatr. 2008;51(2):170-180.   Published online February 15, 2008
Purpose : Some antibiotics were known to exert neuroprotective effects in the animal model of hypoxic-ischemic (H-I) brain injury, but the mechanism is still unclear. A recent study reported that geneticin (G418), an aminoglycoside antibiotic, increased survival of human breast cancer cells by suppressing apoptosis. We investigated the neuroprotective effects of systemically administrated geneticin via anti-apoptosis following the H-I brain...
IGF-I on the Expression of Gene Associated with Hypoxic Ischemic Brain Injury in the Neonatal Rats
Hyung-Shin Lee, Sang-Hyun Byun, Ren Zhe Ann, Kyu-Sang Song, Young-Ik Lee, Yoo-Jung Hahn, Yong-Hun Chung
Clin Exp Pediatr. 2001;44(7):796-807.   Published online July 15, 2001
Purpose : To investigate the effect of intraperitoneal injection of IGF-I after hypoxic ischemic brain injury on neuronal cell necrosis, apoptosis and expression of proapoptotic and antiapoptotic proteins bax and bcl-2, respectively. Methods : The right carotid artery was cut between the double ligation. Then allowed to recover for 30 minutes followed by exposure to 8% oxygen at 37℃ for...
Effect of Glucocorticoid-Induced Hyperglycemia on Preventing Hypoxic-Ischemic Brain Damage by Dexamethasone in Neonatal Rat
Kook In Park, Tae Seung Kim, Min Soo Park, Moon Sung Park, Ran Namgung, Chul Lee, Dong Gwan Han
Clin Exp Pediatr. 1994;37(8):1035-1047.   Published online August 15, 1994
Purpose : We evaluated the protective effect of dexamethasone (DX) administration on brain damage produced in a perinatal model of cerebral hypoxia-ischemia in the rat. Since hyperglycemia has been shown to reduce hypoxic-ischemic brain injury (HI) in immature rat, we investigated the role of glucocorticoid-induced hyperglycemia in the neuroprotective mechanism of DX. Methods : Hypoxic-ischemic brain injury in 7-day-old rats was...
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