ketone/hypoxia

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Hypoxia induced preferential ketone utilization by rat brain slices.

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When exposed to hypoxia, intact mice, with elevated blood ketones, live longer than mice with normal blood ketones. To evaluate a possible mechanism responsible for this phenomenon a rat brain slice preparation was used to determine if brain tissue would utilize glucose or ketones preferentially

Nicorandil alleviated cardiac hypoxia/reoxygenation-induced cytotoxicity via upregulating ketone body metabolism and ACAT1 activity.

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To study the effect of nicorandil pretreatment on ketone body metabolism and Acetyl-CoA acetyltransferase (ACAT1) activity in hypoxia/reoxygenation (H/R)-induced cardiomyocytes. In our study, we applied H9c2 cardiomyocytes cell line to evaluate the cardioprotective effects of nicorandil. We detected

Corrigendum to: Nicorandil alleviated cardiac hypoxia/reoxygenation-induced cytotoxicity via upregulating ketone body metabolism and ACAT1 activity.

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[This corrects the article on p. 37 in vol. 23, PMID: 30627008.].

[Ketone bodies in animal tissues in acute hypoxia, cooling and altered gas medium].

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Roles and regulation of ketogenesis in cultured astroglia and neurons under hypoxia and hypoglycemia.

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Exogenous ketone bodies (KBs), acetoacetate (AA), and β-hydroxybutyrate (BHB) act as alternative energy substrates in neural cells under starvation. The present study examined the endogenous ketogenic capacity of astroglia under hypoxia with/without glucose and the possible roles of KBs in neuronal

Circadian changes in respiratory responses to acute hypoxia and histamine H1 receptors in mice.

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Central histamine has crucial roles in circadian rhythm, ventilation, and the balance of energy metabolism via H1 receptors. We focused on the variation in ventilatory responses to hypoxia between light and dark periods, and the requirement of histamine H1 receptors for the circadian variation,

Cholesterol Prevents Hypoxia-Induced Hypoglycemia by Regulation of a Metabolic Ketogenic Shift.

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Blood cholesterol levels have been connected to high-altitude adaptation. In the present study, we treated mice with high-cholesterol diets following exposure to acute hypoxic stress and evaluated the effects of the diets on whole-body, liver glucose, and liver fat metabolism. For rapid cholesterol

Synthesis, cytotoxicity for mimics of catalase: inhibitors of lactate dehydrogenase and hypoxia inducible factor.

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Lactate dehydrogenase A (LDH-A) is a potentially important metabolic target for the inhibition of the highly activated glycolysis pathway in cancer cells. Two Mn(II) complexes with ligand containing di(pyridylmethyl) amine and pyrrol-ketone were used to attenuate the activity of LDH-A. The

[Changes in arterial ketone body ratio (AKBR) in subarachnoid hemorrhage patients].

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The arterial ketone body ratio (AKBR) is considered an accurate index of the functional reserve of the liver, and its validity has been confirmed in the field of abdominal surgery. We found low AKBR values subarachnoid hemorrhage patients and discuss the clinical significance of this finding in this

[Changes of arterial ketone body ratio (AKBR) in patients with intracerebral hemorrhage].

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The arterial ketone body ratio (AKBR) is considered to be an accurate index of the functional reserve of the liver, and the validity of this idea has been confirmed in the field of abdominal surgery. We found low AKBR value intracerebral hemorrhage patients and discussed the clinical significance of

Serine protease inhibitors suppress cytochrome c-mediatedcaspase-9 activation and apoptosis during hypoxia-reoxygenation.

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We have shown that reoxygenation of hypoxic rat kidney proximaltubule cells leads to apoptosis. This is mediated by translocation ofBax from the cytosol to mitochondria, accompanied by release ofmitochondrial cytochrome c (cyt.c). The present studyhas examined the proteolytic mechanisms responsible

Adaptation to chronic hypoxia during diet-induced ketosis.

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It is recognized that brain oxygen deprivation results in increased glycolysis and lactate accumulation. Moreover, glucose metabolism is altered during starvation or diet, resulting in increased plasma ketones (acetoacetate + beta-hydroxybutyrate; BHB). We investigated glucose and lactate adaptation

Effects of hypoxemia on early postoperative course of liver transplantation in pediatric patients with intrapulmonary shunting.

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Nine pediatric patients (mean age, 10 years) with biliary atresia, who had hypoxemia related to intrapulmonary shunting, underwent living related liver transplantation. The effects of hypoxemia during the early postoperative period after liver transplantation on cardiopulmonary and renal function,

Comparison of in vivo energy metabolism in the brain of rainbow trout, Salmo gairdneri and bullhead catfish, Ictalurus nebulosus during anoxia.

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1. Rainbow trout and bullhead catfish (Ictalurus nebulosus) were exposed to anoxic water inside a plastic tube until death (12 min for trout; 62 min for catfish). Immediately upon death, the brain was removed and analyzed for metabolites, high energy phosphate compounds, and metabolic fuel while the

Treatment of hypoxic-ischemic brain injury in newborn rats with TPCK 3 h after hypoxia decreases caspase-9 activation and improves neuropathologic outcome.

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N-Tosyl-L-phenylalanyl-chloromethyl ketone (TPCK) reduces apoptosis in vitro. Pretreatment with TPCK reduces brain injury. Would treatment after injury reduce damage? Seven-day-old rats had the right carotid artery ligated and were subjected to 2.5 h of 8% oxygen and were treated intraperitoneally 3

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