Ji Geng Yan

Summary

Affiliation: Medical College of Wisconsin
Country: USA

Publications

  1. ncbi request reprint Upregulation of specific mRNA levels in rat brain after cell phone exposure
    Ji Geng Yan
    Department of Plastic and Reconstructive Surgery, Medical College of Wisconsin, Milwaukee, Wisconsin 53226, USA
    Electromagn Biol Med 27:147-54. 2008
  2. doi request reprint The correlation between calcium absorption and electrophysiological recovery in crushed rat peripheral nerves
    Ji Geng Yan
    Department of Plastic Surgery, Medical College of Wisconsin, Milwaukee, WI, USA
    Microsurgery 30:138-45. 2010
  3. doi request reprint Qualitative effect on mRNAs of injury-associated proteins by cell phone like radiation in rat facial nerves
    Ji Geng Yan
    Department of Plastic and Reconstructive Surgery, Medical College of Wisconsin, Milwaukee, Wisconsin, USA
    Electromagn Biol Med 28:383-90. 2009
  4. doi request reprint The effect of calcium modulating agents on peripheral nerve recovery after crush
    Ji Geng Yan
    Department of Plastic Surgery, Medical College of Wisconsin, Milwaukee, WI, USA
    J Neurosci Methods 217:54-62. 2013
  5. ncbi request reprint Vibration injury damages arterial endothelial cells
    Brian D Curry
    Department of Cell Biology, Neurobiology, and Anatomy, Medical College of Wisconsin, 8701 Watertown Plank Road, Milwaukee, Wisconsin 53226, USA
    Muscle Nerve 25:527-34. 2002
  6. ncbi request reprint Nerve repair at different angles of attachment: experiment in rats
    Yu Hui Yan
    Department of Plastic Surgery, Medical College of Wisconsin, Milwaukee, WI 53226, USA
    J Reconstr Microsurg 18:703-8. 2002
  7. ncbi request reprint Evidence for frequency-dependent arterial damage in vibrated rat tails
    Brian D Curry
    Department of Cell Biology, Neurobiology and Anatomy, Medical College of Wisconsin, Milwaukee, Wisconsin 53226, USA
    Anat Rec A Discov Mol Cell Evol Biol 284:511-21. 2005
  8. pmc Refining the sensory and motor ratunculus of the rat upper extremity using fMRI and direct nerve stimulation
    Younghoon R Cho
    Department of Plastic Surgery, Medical College of Wisconsin, Milwaukee, Wisconsin 53226, USA
    Magn Reson Med 58:901-9. 2007
  9. ncbi request reprint Detailed neurovascular anatomy of the serratus anterior muscle: implications for a functional muscle flap with multiple independent force vectors
    David M Godat
    Department of Plastic Surgery, Medical College of Wisconsin, Milwaukee, 53226, USA
    Plast Reconstr Surg 114:21-9; discussion 30-1. 2004
  10. ncbi request reprint A modified end-to-side method for peripheral nerve repair: large epineurial window helicoid technique versus small epineurial window standard end-to-side technique
    Ji Geng Yan
    Department of Plastic Surgery, Medical College of Wisconsin, Milwaukee, WI 53226, USA
    J Hand Surg Am 27:484-92. 2002

Collaborators

Detail Information

Publications27

  1. ncbi request reprint Upregulation of specific mRNA levels in rat brain after cell phone exposure
    Ji Geng Yan
    Department of Plastic and Reconstructive Surgery, Medical College of Wisconsin, Milwaukee, Wisconsin 53226, USA
    Electromagn Biol Med 27:147-54. 2008
    ..These results indicate that relative chronic exposure to cell phone microwave radiation may result in cumulative injuries that could eventually lead to clinically significant neurological damage...
  2. doi request reprint The correlation between calcium absorption and electrophysiological recovery in crushed rat peripheral nerves
    Ji Geng Yan
    Department of Plastic Surgery, Medical College of Wisconsin, Milwaukee, WI, USA
    Microsurgery 30:138-45. 2010
    ..This correlation was statistically significant (r = -0.81, P < 0.05). The better understanding of this process will help us to improve nerve regeneration after peripheral nerve injury...
  3. doi request reprint Qualitative effect on mRNAs of injury-associated proteins by cell phone like radiation in rat facial nerves
    Ji Geng Yan
    Department of Plastic and Reconstructive Surgery, Medical College of Wisconsin, Milwaukee, Wisconsin, USA
    Electromagn Biol Med 28:383-90. 2009
    ..As the use of these cell phones continues, there most likely will be permanent damage to these tissues over the years and the likelihood of tumors, cancers, and system failures will potentially increase...
  4. doi request reprint The effect of calcium modulating agents on peripheral nerve recovery after crush
    Ji Geng Yan
    Department of Plastic Surgery, Medical College of Wisconsin, Milwaukee, WI, USA
    J Neurosci Methods 217:54-62. 2013
    ..We conclude from this study that nerve regeneration strongly correlated with calcium absorption; our new data has shown greatly improved nerve functional recovery, and this can potentially be translated into clinical applications...
  5. ncbi request reprint Vibration injury damages arterial endothelial cells
    Brian D Curry
    Department of Cell Biology, Neurobiology, and Anatomy, Medical College of Wisconsin, 8701 Watertown Plank Road, Milwaukee, Wisconsin 53226, USA
    Muscle Nerve 25:527-34. 2002
    ..Laser doppler surface recording demonstrated that 5 min of vibration significantly diminished tissue blood perfusion. These findings indicate that early injury involves vasoconstriction and denuding of the arterial endothelium...
  6. ncbi request reprint Nerve repair at different angles of attachment: experiment in rats
    Yu Hui Yan
    Department of Plastic Surgery, Medical College of Wisconsin, Milwaukee, WI 53226, USA
    J Reconstr Microsurg 18:703-8. 2002
    ..The authors concluded that oblique nerve repair enhances nerve-fiber sprouting from the proximal donor nerve by increasing the coapted surface area, thus improving muscle recovery...
  7. ncbi request reprint Evidence for frequency-dependent arterial damage in vibrated rat tails
    Brian D Curry
    Department of Cell Biology, Neurobiology and Anatomy, Medical College of Wisconsin, Milwaukee, Wisconsin 53226, USA
    Anat Rec A Discov Mol Cell Evol Biol 284:511-21. 2005
    ..Vibration acceleration stress and smooth muscle contraction appear to be the major contributors to arterial damage. The pattern of vibration-induced arterial damage of smooth muscle and endothelial cells is frequency-amplitude-dependent...
  8. pmc Refining the sensory and motor ratunculus of the rat upper extremity using fMRI and direct nerve stimulation
    Younghoon R Cho
    Department of Plastic Surgery, Medical College of Wisconsin, Milwaukee, Wisconsin 53226, USA
    Magn Reson Med 58:901-9. 2007
    ..The higher stimulation frequency resulted in both increases and attenuation of cortical activation in different regions of the brain, depending on which nerve was stimulated...
  9. ncbi request reprint Detailed neurovascular anatomy of the serratus anterior muscle: implications for a functional muscle flap with multiple independent force vectors
    David M Godat
    Department of Plastic Surgery, Medical College of Wisconsin, Milwaukee, 53226, USA
    Plast Reconstr Surg 114:21-9; discussion 30-1. 2004
    ..With these possibilities, the reconstructive surgeon may be able to restore more natural facial animation and better intrinsic muscle function in the upper extremity...
  10. ncbi request reprint A modified end-to-side method for peripheral nerve repair: large epineurial window helicoid technique versus small epineurial window standard end-to-side technique
    Ji Geng Yan
    Department of Plastic Surgery, Medical College of Wisconsin, Milwaukee, WI 53226, USA
    J Hand Surg Am 27:484-92. 2002
    ..Helicoid nerve repair can entice more nerve fiber sprouts from the intact donor nerve, improve muscular recovery, and maintain donor nerve health...
  11. doi request reprint Helicoid end-to-side and oblique attachment technique in repair of the musculocutaneous nerve injury with the phrenic nerve as a donor: an experimental study in rats
    Yu Hui Yan
    Department of Plastic Surgery, Medical College of Wisconsin, Milwaukee, Wisconsin 53226, USA
    Microsurgery 31:122-9. 2011
    ..The conclusion is that this modified end-to-side repair can replace the traditional end-to-end repair using donor phrenic nerves with better results of nerve regeneration without diaphragm compromise...
  12. doi request reprint Persistent reduction of conduction velocity and myelinated axon damage in vibrated rat tail nerves
    Michael A Loffredo
    Department of Plastic Surgery, Medical College of Wisconsin, Milwaukee, Wisconsin 53226, USA
    Muscle Nerve 39:770-5. 2009
    ..The rat tail model provides insight into understanding the persistence of neural deficits in hand-arm vibration syndrome...
  13. ncbi request reprint Nifedipine pretreatment reduces vibration-induced vascular damage
    Brian D Curry
    Department of Cell Biology, Neurobiology, and Anatomy, Medical College of Wisconsin, Milwaukee, 53226, USA
    Muscle Nerve 32:639-46. 2005
    ..Smooth muscle and endothelial cells structurally altered by vasoconstriction are rendered susceptible to damage by vibration...
  14. ncbi request reprint Neuropathological changes in vibration injury: an experimental study
    Hani S Matloub
    Department of Plastic Surgery, Medical College of Wisconsin, Milwaukee, WI 53226, USA
    Microsurgery 25:71-5. 2005
    ..Despite relatively short vibration, definite pathology was demonstrated, suggesting that vibration syndrome has a direct neurologic component...
  15. doi request reprint Transhemispheric cortical plasticity following contralateral C7 nerve transfer: a rat functional magnetic resonance imaging survival study
    J B Stephenson
    Department of Plastic Surgery, Medical College of Wisconsin, Milwaukee, WI 53226, USA
    J Hand Surg Am 38:478-87. 2013
    ....
  16. pmc Cortical plasticity induced by different degrees of peripheral nerve injuries: a rat functional magnetic resonance imaging study under 9.4 Tesla
    Rupeng Li
    Department of Biophysics, Medical College of Wisconsin, 8701 Watertown Plank Road, Milwaukee, WI 53226, USA
    J Brachial Plex Peripher Nerve Inj 8:4. 2013
    ..Likewise, these injuries have been shown to instigate long-lasting central cortical reorganization...
  17. doi request reprint The correlation between calcium intensity and histopathological changes in brachial plexus nerve injuries
    John Davis
    Department of Plastic and Reconstructive Surgery, Medical College of Wisconsin, Milwaukee, Wisconsin 53226, USA
    J Reconstr Microsurg 29:465-71. 2013
    ..After nerve injury, an influx of calcium exceeds the homeostatic capacity, which damages peripheral nerves. Previous studies identified that following nerve crush, function improves as calcium levels normalize...
  18. doi request reprint A new computerized morphometric analysis for peripheral nerve study
    Chase A Tobin
    Department of Plastic Surgery, Medical College of Wisconsin, Milwaukee, Wisconsin
    J Reconstr Microsurg 30:75-82. 2014
    ..07 and 0.195; and for ImageJ were 0.32 and 0.087. The authors conclude that their new approach demonstrates improved convenience, time efficiency, accuracy, and less operator error or bias. ..
  19. ncbi request reprint Vibration-induced disruption of retrograde axoplasmic transport in peripheral nerve
    Ji Geng Yan
    Department of Plastic and Reconstructive Surgery, Medical College of Wisconsin, 8701 Watertown Plank Road, Milwaukee, Wisconsin 53226, USA
    Muscle Nerve 32:521-6. 2005
    ..The effects of vibration on axoplasmic transport also appear to be cumulative. This study provides a new biological way to evaluate measures to prevent early vibration injury...
  20. ncbi request reprint Irrigation pressure and vessel injury during microsurgery: a qualitative study
    Ji Geng Yan
    Department of Plastic and Reconstructive Surgery, Medical College of Wisconsin, Milwaukee 53226, USA
    J Reconstr Microsurg 20:399-403. 2004
    ..Controlling microsurgical irrigation pressure to less than 100 mmHg may help to avoid vessel injury...
  21. ncbi request reprint The serratus anterior subslip: anatomy and implications for facial and hand reanimation
    Scott D Lifchez
    Department of Plastic Surgery, Medical College of Wisconsin, Milwaukee, USA
    Plast Reconstr Surg 114:1068-76. 2004
    ..Mimetic muscles such as the orbicularis oculi and orbicularis oris could possibly be reconstructed in their proper anatomical positions...
  22. ncbi request reprint Pathophysiological process of traumatic vascular spasm in multiple crush injury
    Ji Geng Yan
    Department of Plastic Surgery, Medical College of Wisconsin, Milwaukee, Wisconsin 53226, USA
    J Reconstr Microsurg 23:237-42. 2007
    ..This article discusses the implications of these findings...
  23. ncbi request reprint Effects of cellular phone emissions on sperm motility in rats
    Ji Geng Yan
    Department of Plastic and Reconstructive Surgery, Medical College of Wisconsin, Milwaukee, Wisconsin 53226, USA
    Fertil Steril 88:957-64. 2007
    ..To evaluate the effects of cellular phone emissions on rat sperm cells...
  24. pmc Long-term vascular access ports as a means of sedative administration in a rodent fMRI survival model
    Patrick C Hettinger
    Department of Plastic Surgery, 8700 Watertown Plank Road, Medical College of Wisconsin, Milwaukee, WI 53226, USA
    J Neurosci Methods 200:106-12. 2011
    ..These vascular access ports can be applied to any survival MRI study requiring repeated medication administration, intravenous contrast, or blood sampling...
  25. pmc Cortical brain mapping of peripheral nerves using functional magnetic resonance imaging in a rodent model
    Younghoon R Cho
    Department of Plastic Surgery, Medical College of Wisconsin, Milwaukee, Wisconsin 53226, USA
    J Reconstr Microsurg 24:551-7. 2008
    ..This direct nerve stimulation rat model can provide insight into peripheral nerve injury...
  26. ncbi request reprint The vascular supply of the extended tensor fasciae latae flap: how far can the skin paddle extend?
    Arun K Gosain
    Department of Plastic and Reconstructive Surgery, Medical College of Wisconsin, 0200 West Wisconsin Avenue, Milwaukee, WI 53226, USA
    Plast Reconstr Surg 110:1655-61; discussion 1662-3. 2002
    ....
  27. ncbi request reprint Intraneural ganglion of the suprascapular nerve: case report
    James Sanger
    Department of Plastic Surgery, Medical College of Wisconsin, Milwaukee, WI 53226 3595, USA
    J Hand Surg Am 31:40-4. 2006
    ..At surgery a multicystic lesion of the suprascapular nerve extending approximately 5.7 cm from its origin was resected and reconstructed by sural nerve grafting...