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Pan D, Shi Y, Huang M, Li X, Wang Z, Zhang Y, Sun H, Wang Z. Physiological indices and liver gene expression related to glucose supply in Brandt's vole (Lasiopodomys brandtii) exhibit species- and oxygen concentration-specific responses to hypoxia. Comp Biochem Physiol B Biochem Mol Biol 2024; 270:110911. [PMID: 37898361 DOI: 10.1016/j.cbpb.2023.110911] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2023] [Revised: 10/25/2023] [Accepted: 10/25/2023] [Indexed: 10/30/2023]
Abstract
Brandt's vole (Lasiopodomys brandtii) is a species with hypoxia tolerance, and glucose serves as the primary energy substrate under hypoxia. However, the glucose supply in Brandt's voles under hypoxia has not been studied. This study aimed to investigate characteristics in physiological indices and liver gene expression associated with glucose supply in Brandt's voles under hypoxia. Serum glucose of Brandt's voles remained stable under 10% O2, increased under 7.5% O2, and decreased under 5% O2. Serum lactate increased under 10% O2, decreased under 7.5% O2, increased at 6 h and decreased at 12 h under 5% O2. Liver glycogen increased under 10% O2, remained constant under 7.5% O2, and reduced under 5% O2. Pepck and G6pase expression associated with gluconeogenesis decreased under 10% O2, while Pepck expression decreased and G6pase expression increased under 7.5% and 5% O2. Regarding genes related to glycogen metabolism, Gys expression decreased at all oxygen concentrations, Phk expression increased under 5% O2, and Gp expression increased under 7.5% and 5% O2. The alterations in glucose, lactate, liver glycogen, and gene expression related to glycogenolysis in Kunming mice (Mus musculus, control species) are similar to discovery of Brandt's voles under 7.5% O2, but gene expression involved in gluconeogenesis and glycogen synthesis increased. The findings suggest that Brandt's voles are more tolerant to hypoxia than Kunming mice, and their physiological indices and liver gene expression related to glucose supply exhibit species- and oxygen concentration-specific responses to hypoxia. This research offers novel insights for studying hypoxia tolerance of Brandt's voles.
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Affiliation(s)
- Dan Pan
- School of Life Sciences, Zhengzhou University, Zhengzhou, Henan Province, PR China
| | - Yuhua Shi
- School of Life Sciences, Zhengzhou University, Zhengzhou, Henan Province, PR China
| | - Maolin Huang
- School of Life Sciences, Zhengzhou University, Zhengzhou, Henan Province, PR China
| | - Xiujuan Li
- School of Life Sciences, Zhengzhou University, Zhengzhou, Henan Province, PR China
| | - Zishi Wang
- School of Life Sciences, Zhengzhou University, Zhengzhou, Henan Province, PR China
| | - Yifeng Zhang
- School of Life Sciences, Zhengzhou University, Zhengzhou, Henan Province, PR China
| | - Hong Sun
- School of Life Sciences, Zhengzhou University, Zhengzhou, Henan Province, PR China; Centre for Nutritional Ecology, Zhengzhou University, Zhengzhou, Henan Province, PR China.
| | - Zhenlong Wang
- School of Life Sciences, Zhengzhou University, Zhengzhou, Henan Province, PR China.
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Hara Y, Watanabe N. Changes in expression of genes related to glucose metabolism in liver and skeletal muscle of rats exposed to acute hypoxia. Heliyon 2020; 6:e04334. [PMID: 32642586 PMCID: PMC7334421 DOI: 10.1016/j.heliyon.2020.e04334] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2018] [Revised: 02/01/2019] [Accepted: 06/24/2020] [Indexed: 02/08/2023] Open
Abstract
The aim of this study was to determine changes in gene expression associated with glucose metabolism in the liver and soleus muscles of rats exposed to hypoxia to improve work capacity under high altitude conditions. Rats were divided into normobaric normoxia (control) and normobaric hypoxia (hypoxia) groups (n = 7 each), and the hypoxia group was exposed to 10.5% oxygen for 90 min. Glucose metabolism-related gene expression was examined by real-time polymerase chain reaction. In the liver, the expression levels of the glucose utilization-related genes solute carrier family 2 member 1, glucokinase, and liver-type phosphofructokinase and the gluconeogenesis-related gene phosphoenolpyruvate carboxykinase 1 (Pck1) were significantly increased upon hypoxic exposure. In contrast, gene expression in the soleus was unchanged, with the exception of Pck1. The results suggest that under hypoxia, both glucose utilization and gluconeogenesis are accelerated in the liver, and liver glycogen is degraded to maintain blood glucose level.
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Affiliation(s)
- Yurie Hara
- Department of Nutritional Science, Tokyo Kasei University, 1-18-1 Kaga, Itabashi, Tokyo, 173-8602, Japan
| | - Nakamichi Watanabe
- Department of Health Science, Showa Women's University, 1-7-57 Taishido, Setagaya, Tokyo, 154-8533, Japan
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Ashby WR. The Effects of Convulsive Therapy on the Excretion of Cortins and Ketosteroids. ACTA ACUST UNITED AC 2018; 95:275-324. [DOI: 10.1192/bjp.95.399.275] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
Electroshock therapy, first introduced to this country by Fleming, Golla and Grey Walter in 1939, has long passed its period of probation and is now universally accepted as active and effective. Yet its mode of action is still unknown. The variety of theories propounded to explain its action establishes only the degree of our uncertainty. To advance our knowledge of its mode of action has been the aim of the work described in this paper.
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MOOKERJEA S, HAWKINS WW. Some anabolic aspects of protein metabolism in riboflavin deficiency in the rat. Br J Nutr 2007; 14:231-8. [PMID: 14423798 DOI: 10.1079/bjn19600028] [Citation(s) in RCA: 14] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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Darrow DC, Sarason EL. SOME EFFECTS OF LOW ATMOSPHERIC PRESSURE ON RATS. J Clin Invest 2006; 23:11-23. [PMID: 16695076 PMCID: PMC435311 DOI: 10.1172/jci101465] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Affiliation(s)
- D C Darrow
- Department of Pediatrics of the Yale University School of Medicine, New Haven
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Parrish AE. THE BIOASSAY OF ADRENAL CORTICOIDS IN THE URINE OF PATIENTS WITH CONGESTIVE HEART FAILURE. J Clin Invest 2006; 28:45-9. [PMID: 16695658 PMCID: PMC439573 DOI: 10.1172/jci102051] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Affiliation(s)
- A E Parrish
- Department of Physiology, George Washington University School of Medicine, Washington, D. C
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Berger EY, Galdston M, Horwitz SA, Jackenthal R, Pruss M. THE EFFECT OF ANOXIC ANOXIA ON THE HUMAN KIDNEY. J Clin Invest 2006; 28:648-52. [PMID: 16695721 PMCID: PMC439645 DOI: 10.1172/jci102114] [Citation(s) in RCA: 64] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Affiliation(s)
- E Y Berger
- Research Service, Third New York University Medical Division, Goldwater Memorial Hospital, Welfare Island, New York
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Abstract
The hyperkinetic circulatory state observed in intact anesthetized dogs at the end of a 15 minute period of breathing 6 per cent oxygen in nitrogen was absent in a similar series of dogs acutely adrenalectomized by the ligation technie. Blood removed from intact animals at the end of the anoxic period and infused into normal assay dogs produced a rise in cardiac output in the latter which was not observed with comparable infusions of normal blood or blood removed from adrenalectomized anoxic dogs. The transferable agent demonstrated by this study is considered responsible for the rise in cardiac output in the anoxic donor. It is suggested that this agent arises from the adrenal medulla.
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Yoshinao K, Keizo S, Shoichi Y, Kazuo K, Masataka Y. The role of hepatic glycogen stores in anaerobic metabolism in rats. ACTA ACUST UNITED AC 1984. [DOI: 10.1016/0742-8413(84)90177-4] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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Rose CE, Kimmel DP, Godine RL, Kaiser DL, Carey RM. Synergistic effects of acute hypoxemia and hypercapnic acidosis in conscious dogs. Renal dysfunction and activation of the renin-angiotensin system. Circ Res 1983; 53:202-13. [PMID: 6411380 DOI: 10.1161/01.res.53.2.202] [Citation(s) in RCA: 34] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
Abstract
The effects of acute hypoxemia and hypercapnic acidosis were examined in five unanesthetized dogs in which sodium intake was controlled at 80 mEq/24 hours for 4 days prior to study. Each animal was studied during combined acute hypoxemia and hypercapnic acidosis (Pao2 = 36 +/- 1 mm Hg, Paco2 = 52 +/- 1 mm Hg, pH = 7.18 +/- 0.02), acute hypoxemia alone (Pao2 = 32 +/- 1 mm Hg, Paco2 = 32 +/- 1mm Hg, pH = 7.34 +/- 0.01), and acute hypercapnic acidosis alone (Pao2 = 82 +/- 2 mm Hg, Paco2 = 51 +/- 1 mm Hg, pH = 7.18 +/- 0.02). Although mean arterial pressure, cardiac output, and heart rate increased during combined hypoxemia and hypercapnic acidosis, effective renal plasma flow and glomerular filtration rate decreased. In addition, filtered sodium load and urinary sodium excretion decreased during combined hypoxemia and hypercapnic acidosis. Either acute hypoxemia or hypercapnic acidosis alone resulted in increased mean arterial pressure, cardiac output, and heart rate. However, in contrast to their combined effects, renal hemodynamic function was unchanged and natriuresis was observed. Measurement of plasma renin activity and angiotensin II concentrations indicated that hypoxemia or hypercapnic acidosis alone resulted in moderate activation of the renin-angiotensin system. Moreover, combined hypoxemia and hypercapnic acidosis acted synergistically resulting in major renin-angiotensin activation. Systemic angiotensin II blockade using 1-sarcosine, 8-alanine, angiotensin II (2 micrograms/kg per min) during combined acute hypoxemia and hypercapnic acidosis resulted in decreased renal hemodynamic function. We conclude that acute hypoxemia and hypercapnic acidosis act synergistically to increase mean arterial pressure, diminish renal hemodynamic function and activate the renin-angiotensin system. Systemic angiotensin inhibition studies suggest activation of the renin-angiotensin system maintains renal hemodynamic function during combined hypoxemia and hypercapnic acidosis, instead of mediating the renal vasoconstriction.
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HALE HB, SAYERS G, SYDNOR KL, SWEAT ML, VAN FOSSAN DD. Blood adrenocorticotrophic hormone and plasma corticosteroids in men exposed to adverse environmental conditions. J Clin Invest 1957; 36:1642-6. [PMID: 13491694 PMCID: PMC1072775 DOI: 10.1172/jci103564] [Citation(s) in RCA: 21] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
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14
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�ber den Einflu� von chirurgischen Eingriffen auf den Aminos�urenstoffwechsel. Langenbecks Arch Surg 1955. [DOI: 10.1007/bf01441413] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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ERSHOFF BH. Nutrition and the anterior pituitary with special reference to the general adaptation syndrome. VITAMINS AND HORMONES 1952; 10:79-140. [PMID: 12995594 DOI: 10.1016/s0083-6729(08)60845-6] [Citation(s) in RCA: 33] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/04/2023]
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FORTIER C. [Humoral and neural factors in the adrenal-pituitary response to stress]. J Neural Transm (Vienna) 1952; 5:55-131. [PMID: 13030162 DOI: 10.1007/bf01232006] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
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POLLACK H, HALPERN SL. The Relation of Protein Metabolism to Disease. ACTA ACUST UNITED AC 1951; 6:383-453. [PMID: 14846700 DOI: 10.1016/s0065-3233(08)60508-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/28/2023]
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23
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Morgan AF. The Effect of Vitamin Deficiencies on Adrenocortical Function. VITAMINS AND HORMONES 1951. [DOI: 10.1016/s0083-6729(08)60472-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/05/2023]
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SMITH PK. Use of drugs at high altitude. Am J Med 1948; 4:645-8. [PMID: 18856759 DOI: 10.1016/s0002-9343(48)90387-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Murray HC, Morgan AF. CARBOHYDRATE METABOLISM IN THE ASCORBIC ACID-DEFICIENT GUINEA PIG UNDER NORMAL AND ANOXIC CONDITIONS. J Biol Chem 1946. [DOI: 10.1016/s0021-9258(17)41320-2] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022] Open
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Wickson ME, Morgan AF. THE EFFECT OF RIBOFLAVIN DEFICIENCY UPON CARBOHYDRATE METABOLISM IN ANOXIA. J Biol Chem 1946. [DOI: 10.1016/s0021-9258(17)41426-8] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022] Open
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Bridge EM, Livingston S, Tietze C. Breath-holding spells. The journal The Journal of Pediatrics 1943. [DOI: 10.1016/s0022-3476(43)80257-2] [Citation(s) in RCA: 58] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Swann HG, Collings WD, Cline JK, Dernehl CU. NEGATIVE WATER BALANCES DURING EXPOSURES TO LOW BAROMETRIC PRESSURES. Science 1942; 96:588-9. [PMID: 17810940 DOI: 10.1126/science.96.2504.588] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/02/2022]
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Langley LL, Clarke RW. The Reaction of the Adrenal Cortex to Low Atmospheric Pressure. THE YALE JOURNAL OF BIOLOGY AND MEDICINE 1942; 14:529-46. [PMID: 21434036 PMCID: PMC2601194] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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