Xi Qing Sun

Summary

Affiliation: Sun Yat-sen University
Country: China

Publications

  1. ncbi request reprint [Development and application of self-powered short arm human centrifuge]
    Xi Qing Sun
    Department of Aerospace Biodynamics, Faculty of Aerospace Medicine, The Fourth Military Medical University, Xi an, China
    Space Med Med Eng (Beijing) 16:10-3. 2003
  2. ncbi request reprint [Effects of repeated +Gz exposures on the expression of c-fos protein in rabbit brain]
    Xi Qing Sun
    Department of Aerospace Biodynamics, The Fourth Military Medical University, Xi an, China
    Space Med Med Eng (Beijing) 15:17-21. 2002
  3. ncbi request reprint [Effects of lower body negative pressure in the first and last week during 21 d head-down bed rest on orthostatic tolerance and cardiac function]
    Xi Qing Sun
    Department of Aerospace Biodynamics, The Fourth Military Medical University, Xi an, China
    Space Med Med Eng (Beijing) 15:84-8. 2002
  4. ncbi request reprint [Effects of simulated microgravity on cardiovascular function and counter effect of lower body negative pressure]
    Xi Qing Sun
    Department of Aerospace Biodynamics, Faculty of Aerospace Medicine, The Fourth Military Medical University, Xi an, China
    Space Med Med Eng (Beijing) 15:235-40. 2002
  5. ncbi request reprint [Change of cerebral blood flow velocity during 4 d head-down tilt bed rest]
    Xi Qing Sun
    Department of Aerospace Biodynamics, Faculty of Aerospace Medicine, The Fourth Military Medical University, Xi an, China
    Space Med Med Eng (Beijing) 15:163-6. 2002
  6. ncbi request reprint Effect of lower body negative pressure on orthostatic tolerance and cardiac function during 21 days head-down tilt bed rest
    Xi Qing Sun
    Department of Aerospace Biodynamics, Faculty of Aerospace Medicine, Fourth Military Medical University, Xi an, P R China
    J Gravit Physiol 10:11-7. 2003
  7. doi request reprint Artificial gravity with ergometric exercise preserves the cardiac, but not cerebrovascular, functions during 4 days of head-down bed rest
    Chang Bin Yang
    Department of Aerospace Biodynamics, Fourth Military Medical University, Xi an 710032, China
    Cytokine 56:648-55. 2011
  8. ncbi request reprint Effect of lower body negative pressure against orthostatic intolerance induced by 21 days head-down tilt bed rest
    Xi Qing Sun
    Department of Aerospace Biodynamics, Faculty of Aerospace Medicine, Fourth Military Medical University, Xi an, PR China
    Aviat Space Environ Med 73:335-40. 2002
  9. ncbi request reprint Combined short-arm centrifuge and aerobic exercise training improves cardiovascular function and physical working capacity in humans
    Chang Bin Yang
    Department of Aerospace Biodynamics, Faculty of Aerospace Medicine, Fourth Military Medical University, Xi an, China
    Med Sci Monit 16:CR575-83. 2010
  10. ncbi request reprint [Effects of self-generated LBNP training on cardiovascular function and lower body negative pressure (LBNP) tolerance]
    Chang Bin Yang
    Department of Aerospace Biodynamics, The Fourth Military Medical University, Xi an, China
    Space Med Med Eng (Beijing) 17:192-5. 2004

Collaborators

Detail Information

Publications36

  1. ncbi request reprint [Development and application of self-powered short arm human centrifuge]
    Xi Qing Sun
    Department of Aerospace Biodynamics, Faculty of Aerospace Medicine, The Fourth Military Medical University, Xi an, China
    Space Med Med Eng (Beijing) 16:10-3. 2003
    ..To present the development and application of a self-powered short arm human centrifuge...
  2. ncbi request reprint [Effects of repeated +Gz exposures on the expression of c-fos protein in rabbit brain]
    Xi Qing Sun
    Department of Aerospace Biodynamics, The Fourth Military Medical University, Xi an, China
    Space Med Med Eng (Beijing) 15:17-21. 2002
    ..To investigate the effect of repeated +Gz exposures on the expression and distribution of c-fos protein immunoreactivity in rabbit brain...
  3. ncbi request reprint [Effects of lower body negative pressure in the first and last week during 21 d head-down bed rest on orthostatic tolerance and cardiac function]
    Xi Qing Sun
    Department of Aerospace Biodynamics, The Fourth Military Medical University, Xi an, China
    Space Med Med Eng (Beijing) 15:84-8. 2002
    ..To investigate the changes of orthostatic tolerance and cardiac function during 21 d head-down tilt (HDT) bed rest and effect of lower body negative pressure (LBNP) in the first and the last weeks in humans...
  4. ncbi request reprint [Effects of simulated microgravity on cardiovascular function and counter effect of lower body negative pressure]
    Xi Qing Sun
    Department of Aerospace Biodynamics, Faculty of Aerospace Medicine, The Fourth Military Medical University, Xi an, China
    Space Med Med Eng (Beijing) 15:235-40. 2002
    ..The significance of mathematical model in the study of mechanism of microgravity induced orthostatic intolerance was also discussed. The counter effect of LBNP was emphasized...
  5. ncbi request reprint [Change of cerebral blood flow velocity during 4 d head-down tilt bed rest]
    Xi Qing Sun
    Department of Aerospace Biodynamics, Faculty of Aerospace Medicine, The Fourth Military Medical University, Xi an, China
    Space Med Med Eng (Beijing) 15:163-6. 2002
    ..This decrease of cerebral blood flow velocity may be partially responsible for the increased risk of orthostatic intolerance...
  6. ncbi request reprint Effect of lower body negative pressure on orthostatic tolerance and cardiac function during 21 days head-down tilt bed rest
    Xi Qing Sun
    Department of Aerospace Biodynamics, Faculty of Aerospace Medicine, Fourth Military Medical University, Xi an, P R China
    J Gravit Physiol 10:11-7. 2003
    ....
  7. doi request reprint Artificial gravity with ergometric exercise preserves the cardiac, but not cerebrovascular, functions during 4 days of head-down bed rest
    Chang Bin Yang
    Department of Aerospace Biodynamics, Fourth Military Medical University, Xi an 710032, China
    Cytokine 56:648-55. 2011
    ..Hence, a daily 1h alternating +1.0 and +2.0 Gz with 40 W exercise training appear to be an effective countermeasure against cardiac deconditioning...
  8. ncbi request reprint Effect of lower body negative pressure against orthostatic intolerance induced by 21 days head-down tilt bed rest
    Xi Qing Sun
    Department of Aerospace Biodynamics, Faculty of Aerospace Medicine, Fourth Military Medical University, Xi an, PR China
    Aviat Space Environ Med 73:335-40. 2002
    ..The purpose of the present study was to assess the effects of brief LBNP sessions against orthostatic intolerance during a 21-d head-down tilt (HDT) bed rest...
  9. ncbi request reprint Combined short-arm centrifuge and aerobic exercise training improves cardiovascular function and physical working capacity in humans
    Chang Bin Yang
    Department of Aerospace Biodynamics, Faculty of Aerospace Medicine, Fourth Military Medical University, Xi an, China
    Med Sci Monit 16:CR575-83. 2010
    ..This study sought to investigate whether the combination of short-arm centrifuge and aerobic exercise training have advantages over short-arm centrifuge or aerobic exercise training alone...
  10. ncbi request reprint [Effects of self-generated LBNP training on cardiovascular function and lower body negative pressure (LBNP) tolerance]
    Chang Bin Yang
    Department of Aerospace Biodynamics, The Fourth Military Medical University, Xi an, China
    Space Med Med Eng (Beijing) 17:192-5. 2004
    ..To explore the changes of cardiac function and lower body negative pressure tolerance after self-generated Lower Body Negative Pressure device training and provide experimental evidences for its appliance...
  11. ncbi request reprint [Development of self-generating lower body negative pressure device]
    Chang Bin Yang
    Department of Aerospace Medicine, The Fourth Military Medical University, Xi an, China
    Space Med Med Eng (Beijing) 16:281-3. 2003
    ..To develop a kind of self-generating lower body negative pressure device...
  12. ncbi request reprint [Influences of repeated lower +Gz exposures on high +Gz exposure induced brain injury in rats]
    Jin sheng Li
    Department of Aerospace Biodynamics, The Fourth Military Medical University, Xi an, China
    Space Med Med Eng (Beijing) 15:339-42. 2002
    ..Conclusion. The degree of neuron damage was obviously slight at the time of exposure to +10 Gz/5 min again after repeated +4 Gz/3 min 3-5 times. The ischemia tolerance at the time of exposure to +Gz was similar to other brain ischemia...
  13. ncbi request reprint Effect of lower-body negative pressure on cerebral blood flow velocity during 21 days head-down tilt bed rest
    Xi Qing Sun
    Department of Aerospace Biodynamics, Faculty of Aerospace Medicine, Fourth Military Medical University, Xi an, PR China
    Med Sci Monit 11:CR1-5. 2005
    ..The purpose of this study was to investigate cerebral blood flow (CBF) velocity in humans during 21 days of head-down tilt (HDT) bed rest with and without lower-body negative pressure (LBNP)...
  14. ncbi request reprint Changes of hippocampus somatostatin and learning ability in rats after +Gz exposure
    Xin Sheng Cao
    Department of Aerospace Biodynamics, Faculty of Aviation and Aerospace, The Fourth Military Medical University, Xi an Shannxi
    Space Med Med Eng (Beijing) 18:79-83. 2005
    ..To investigate changes of learning ability and somatostatin (SS) changes after positive acceleration (+Gz) exposures...
  15. ncbi request reprint [Effects of low gravity preconditioning on rat learning and memory impairment induced by high gravity exposure]
    Xin Sheng Cao
    Department of Aerospace Biodynamics, Fourth Military Medical University, Xi an 710032, China
    Di Yi Jun Yi Da Xue Xue Bao 25:212-5. 2005
    ..To study the protective effects of low gravity preconditioning against learning and memory function impairment induced by high gravity exposure in rats...
  16. ncbi request reprint [Effects of +Gz exposure time on memory and behavior in rats]
    Ying bo Wei
    Department of Aerospace Biodynamics, Faculty of Aerospace Medicine, The Fourth Military Medical University, Xi an, China
    Space Med Med Eng (Beijing) 16:19-23. 2003
    ..To explore the effect of +Gz exposure time on memory and behavior in rats...
  17. doi request reprint Artificial gravity with ergometric exercise as a countermeasure against cardiovascular deconditioning during 4 days of head-down bed rest in humans
    Yong Chun Wang
    Department of Aerospace Biodynamics, Faculty of Aerospace Medicine, Fourth Military Medical University, 17 Chang Le Xi Road, Xi an 710032, China
    Eur J Appl Physiol 111:2315-25. 2011
    ..The combination of a 30 min alternating of +1.0 and +2.0 Gz for twice per day of AG with 40 W ergometric exercise may offer a promising countermeasure to short duration simulated microgravity...
  18. ncbi request reprint [Effects of combined stress of high +Gz and noise on learning and memory in rats]
    Ting Song Liu
    Department of Aerospace Biodynamics, The Fourth Military Medical University, Xi an, China
    Space Med Med Eng (Beijing) 17:20-3. 2004
    ..To study the effect of combined stress of noise and + Gz on learning and memory in rats...
  19. ncbi request reprint [Changes of serum alkaline phosphatase and electrolytes during 21 d head down bed-rest]
    Yong Jie Yao
    Department of Aerospace Medicine, The Fourth Military Medical University, Xi an, China
    Space Med Med Eng (Beijing) 15:178-81. 2002
    ..01). ALP level was higher on d2l than on d-3 (P<0.01). Conclusion. 21 d HDT induced increase of Ca, Cl, ALP, and decline of Mg and P. The changes may reflect the imbalance of metabolism...
  20. ncbi request reprint Counteracting effect of head-up tilt on increased femoral venous compliance after simulated weightlessness in rabbits
    Xi Qing Sun
    Department of Aeropsace Biodynamics, Fourth Military Medical University, Xi an, China
    J Gravit Physiol 11:P105-6. 2004
    ..The purpose of this study was to observe the effect of daily head-up tilt (HUT) on stress-strain relationship of femoral vein during simulated weightlessness in rabbits...
  21. ncbi request reprint Effects of repeated brain ischemia induced by rapid lower body negative pressure on brain water and Na+,K+-ATPase activity in rats
    Xi Qing Sun
    Department of Aerospace Biodynamics, Faculty of Aerospace Medicine, Fourth Military Medical University, Xi an, PR China
    Aviat Space Environ Med 73:50-3. 2002
    ..These dynamic models are limited because we currently are unable to obtain accurate measures of membrane ion flux or single cell electrophysiological responses from animals under centrifugation...
  22. ncbi request reprint [Upright tilt table testing and syncope evaluation]
    Yong Jie Yao
    Department of Aerospace Medicine, The Fourth Military Medical University, Xi an, China
    Space Med Med Eng (Beijing) 15:136-9. 2002
    ..This paper reviewed the value of upright tilt [correction of tile] table test in diagnosing unexplained syncope. The method of experiment, information of it's clinical application and points for attention with test were also introduced...
  23. ncbi request reprint Acceleration after-effects on learning and memory in rats: +10 Gz or +6 Gz for 3 min
    Xin Sheng Cao
    Department of Aerospace Biodynamics, Faculty of Aerospace Medicine, Fourth Military Medical University, 17 Chang Le Xi Lu, Xi an 710032, China
    Neurosci Lett 413:245-8. 2007
    ..Thus, +6 Gz/3 min and +10 Gz/3 min exposures may transiently decrease locomotor activity, impair learning, and induce a deficit in memory retention in rats...
  24. pmc Effects of simulated microgravity on human umbilical vein endothelial cell angiogenesis and role of the PI3K-Akt-eNOS signal pathway
    Fei Shi
    Department of Aerospace Biodynamics, Fourth Military Medical University, Xi an, Shaanxi, China
    PLoS ONE 7:e40365. 2012
    ..In conclusion, the present study indicates that 24 h of exposure to simulated microgravity promote angiogenesis among HUVEC-C and that this process is mediated through the PI3K-Akt-eNOS signal pathway...
  25. doi request reprint Hyperbaric oxygen preconditioning reduces ischemia-reperfusion injury by stimulating autophagy in neurocyte
    Yong Chun Wang
    Department of Aerospace Biodynamics, Fourth Military Medical University, Xi an 710032, China
    Brain Res 1323:149-51. 2010
    ..We hypothesize that autophagy induction is involved in HBO-PC induced neuroprotection on IRI in neurocyte. The hypothesis reveals that autophagy may be a new therapeutic target for cerebral IRI...
  26. ncbi request reprint Effects of denitrogenation on bubble formation during decompression in rabbits
    Yong Chun Wang
    Department of Aerospace Biodynamics, The Fourth Military Medical University, Xi an
    Space Med Med Eng (Beijing) 17:89-92. 2004
    ..To explore the effect of different degrees of denitrogenation on decompression sickness...
  27. ncbi request reprint Expression of heat shock protein after +Gz exposure and its protective effects on +Gz-induced brain injury
    Jin sheng Li
    Department of Aerospace Biodynamics, The Fourth Military Medical University, Xi an
    Space Med Med Eng (Beijing) 15:391-6. 2002
    ..The degree of neuron damage after +10 Gz/5 min exposure in pre-exposure groups with repeated +4 Gz/3 min 3-5 times was obviously slight comparing with that of single +10 Gz exposure group...
  28. doi request reprint Simulated weightlessness aggravates hypergravity-induced impairment of learning and memory and neuronal apoptosis in rats
    Xi Qing Sun
    Department of Aerospace Biodynamics, Faculty of Aerospace Medicine, Fourth Military Medical University, 17 Chang Le Xi Road, Xi an 710032, China
    Behav Brain Res 199:197-202. 2009
    ..These findings suggest that simulated weightlessness may exacerbate hypergravity-induced impairment of learning and memory, likely caused by neuronal cell death in rats...
  29. doi request reprint Artificial gravity with ergometric exercise can prevent enhancement of popliteal vein compliance due to 4-day head-down bed rest
    Yong Jie Yao
    Department of Aerospace Medicine, Fourth Military Medical University, Xi an 710032, China
    Eur J Appl Physiol 112:1295-305. 2012
    ....
  30. ncbi request reprint [Expression and distribution of connexin 43 in myocardium of rats after repeated positive acceleration exposures]
    Ying Zhou
    Key Laboratory of Aerospace Medicine, Ministry of Education, Faculty of Aerospace Medicine, The Fourth Military Medical University, Xi an 710032, China
    Sheng Li Xue Bao 60:320-6. 2008
    ..These findings facilitate our understanding of the mechanisms of arrhythmias caused by +Gz and provide new protective measures...
  31. ncbi request reprint The expression of heat shock protein 70 in rat brain after +Gz exposure
    Xi Qing Sun
    Department of Aerospace Biodynamics, Fourth Military Medical University, Xi an, China
    J Gravit Physiol 9:P23-4. 2002
    ..In +10 GZ group, HSP70 protein was only weakly expressed in pyriform cortex after exposure. Conclusions: +Gz exposures may cause time-dependent HSP70 expression in rat brain...
  32. doi request reprint Clinorotation upregulates inducible nitric oxide synthase by inhibiting AP-1 activation in human umbilical vein endothelial cells
    Yong Chun Wang
    Department of Aerospace Biodynamics, Fourth Military Medical University, Xi an, China
    J Cell Biochem 107:357-63. 2009
    ..These findings indicate that clinorotation upregulates iNOS in HUVECs by a mechanism dependent on suppression of AP-1, but not NF-kappaB. These results support a key role for AP-1 in the signaling of postflight orthostatic intolerance...
  33. ncbi request reprint [Weightlessness or weightlessness simulation and vascular remodeling]
    Yong Yue
    Space Med Med Eng (Beijing) 16:152-6. 2003
    ..It is proposed that cardiovascular remodeling might be important in studying the causes of orthostatic intolerance after spaceflight...
  34. ncbi request reprint [Effects of repeated lower g exposures on high-G induced memory and balance changes in rats]
    Xin Sheng Cao
    Space Med Med Eng (Beijing) 17:16-9. 2004
    ..To study the protective effects of repeated +4 Gz/3 min exposures on memory and balance changes induced by +10 Gz/5 min exposure in rats...
  35. ncbi request reprint [Effects of high +Gx during simulated spaceship emergency return on learning and memory in rats]
    Zhi Peng Xu
    Space Med Med Eng (Beijing) 18:1-5. 2005
    ..To observe the effects of high +Gx during simulated spaceship emergency return on learning and memory in rats...
  36. doi request reprint Modulation of {beta}-adrenoceptor signaling in the hearts of 4-wk simulated weightlessness rats
    Wen Yin
    Department of Emergency, Xijing Hospital, Fourth Military Medical University, Xi an 710032, Shaanxi Province, China
    J Appl Physiol 105:569-74. 2008
    ..Above results indicated that impaired function of adenylyl cyclase causes beta-adrenoceptor desensitization, which may be partly responsible for the depression of cardiac function...