Jae Min Kim

Chonnam National University, Gwangju, Gwangju, South Korea

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Publications (53)47.87 Total impact

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    ABSTRACT: Benign triton tumor (BTT) or neuromuscular hamartoma is an uncommon tumor composed of mature neural and well-differentiated striated muscular elements. Its development is exceptionally rare in the adult and head region. This report describes a case of adulthood BTT that occurred in the orbit. The patient was a 53-year-old woman who presented with right periorbital swelling and pain in eyeball over 2 months. Magnetic resonance imaging revealed a well-enhancing mass surrounding optic nerve and ocular muscles in the right retrobulbar area. The tumor was subtotally removed via transcranial approach. Its pathological diagnosis was confirmed to be a neuromuscular hamartoma. She developed diplopia postoperatively. Adulthood BTT should be considered in the differential diagnosis of head and neck tumors. It is also important to make adequate therapeutic strategy to avoid postoperative neural dysfunction.
    Journal of Korean Neurosurgical Society. 08/2014; 56(2):146-8.
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    ABSTRACT: Background It has been known that ADH1B*2 allele has a protective effect against the development of alcohol dependence. However, the protection mechanism is still unknown. We investigated whether ADH1B gene polymorphism affects ethanol (EtOH) metabolism.Methods In a parent study, we conducted a randomized crossover trials on 24 healthy male subjects who were selected by genotyping: 12 with ALDH2*1/*1 (active form) and 12 with ALDH2*1/*2 (inactive form). In the present study, the 24 subjects were reclassified into 2 groups of 11 with ADH1B*1/*2 and 13 with ADH1B*2/*2 according to the ADH1B genotypes. Each subject was administered 1 of 3 doses of EtOH (0.25, 0.5, 0.75 g/kg) or a placebo in 4 trials. After the administration of alcohol, blood EtOH and acetaldehyde concentrations were measured 9 times over 4 hours.ResultsIn the case of EtOH, the area under the concentration-time curve from 0 to 4 hours (AUC0–4) and the peak blood concentration of EtOH (Cmax) in subjects with ADH1B*2/*2 were significantly higher than those in subjects with ADH1B*1/*2 at all 3 dosages before stratifying by ALDH2 genotype. However, after stratifying by ALDH2 genotype, a statistically significant difference between ADH1B*2/*2 and ADH1B*1/*2 was found only at the 0.5 g/kg dosage regardless of ALDH2 genotype. In the case of acetaldehyde, the AUC0–4 and Cmax of acetaldehyde of ADH1B*2/*2 after administration of 0.25 g/kg alcohol and the AUC0–4 of acetaldehyde of ADH1B*2/*2 at 0.5 g/kg were significantly higher than corresponding values of ADH1B*1/*2 only in the group of ALDH2*1/*2.Conclusions Our findings indicate that the blood EtOH concentrations of ADH1B*2/*2 group are higher than those of ADH1B*1/*2 group regardless of ALDH2 genotype, and the blood acetaldehyde concentrations of ADH1B*2/*2 are also higher than those of ADH1B*1/*2 only in the ALDH2*1/*2 group. To our knowledge, this is the first report to demonstrate the association of ADH1B*2 allele with blood EtOH and acetaldehyde levels in humans, and these results suggest that higher blood EtOH and acetaldehyde concentrations in ADH1B*2/*2 may constitute the mechanism of protection against alcoholism by ADH1B*2/*2.
    Alcoholism Clinical and Experimental Research 05/2014; · 3.42 Impact Factor
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    ABSTRACT: Meningioma is a common primary tumor of central nervous system. However, extracranial extension of the intracranial meningioma is unusual, and mostly accompanied the osteolytic change of the skull. We herein describe an atypical meningioma having extracranial extension with hyperostotic change of the skull. The patient was a 72-year-old woman who presented a large mass in the right frontal scalp and left hemiparesis. Brain magnetic resonance imaging and computed tomography scans revealed an intracranial mass, diffuse meningeal thickening, hyperostotic change of the skull with focal extension into the right frontal scalp. She underwent total removal of extracranial tumor, bifrontal craniectomy, and partial removal of intracranial tumor followed by cranioplasty. Tumor pathology was confirmed as atypical meningioma, and she received adjuvant radiotherapy. In this report, we present and discuss a meningioma en plaque of atypical histopathology having an extracranial extension with diffuse intracranial growth and hyperostotic change of the skull.
    Journal of Korean Neurosurgical Society. 04/2014; 55(4):205-7.
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    Sang Kook Lee, Jae Min Kim
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    ABSTRACT: Although surgical techniques for clipping paraclinoid aneurysms have evolved significantly in recent times, direct microsurgical clipping of large and giant paraclinoid aneurysms remains a formidable surgical challenge. We review here our surgical experiences in direct surgical clipping of large and giant paraclinoid aneurysms, especially in dealing with anterior clinoidectomy, distal dural ring resection, optic canal unroofing, clipping techniques, and surgical complications. Between September 2001 and February 2012, we directly obliterated ten large and giant paraclinoid aneurysms. In all cases, tailored orbito-zygomatic craniotomies with extradural and/or intradural clinoidectomy were performed. The efficacy of surgical clipping was evaluated with postoperative digital subtraction angiography and computed tomographic angiography. Of the ten cases reported, five each were of ruptured and unruptured aneurysms. Five aneurysms occurred in the carotid cave, two in the superior hypophyseal artery, two in the intracavernous, and one in the posterior wall. The mean diameter of the aneurysms sac was 18.8 mm in the greatest dimension. All large and giant paraclinoid aneurysms were obliterated with direct neck clipping without bypass. With the exception of the one intracavenous aneurysm, all large and giant paraclinoid aneurysms were occluded completely. The key features of successful surgical clipping of large and giant paraclinoid aneurysms include enhancing exposure of proximal neck of aneurysms, establishing proximal control, and completely obliterating aneurysms with minimal manipulation of the optic nerve. Our results suggest that internal carotid artery reconstruction using multiple fenestrated clips without bypass may potentially achieve complete occlusion of large paraclinoid aneurysms.
    Journal of Korean Neurosurgical Society 12/2013; 54(6):477-83. · 0.56 Impact Factor
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    ABSTRACT: Purpose: To investigate the efficacy and safety of intra-arterial thrombolysis (IAT) for acute central retinal artery occlusion (CRAO). Methods: Records from 101 CRAO patients treated with either IAT (n = 57) or standard treatment (ST, n = 44) were retrospectively reviewed. ST consisted of ocular massage and intraocular pressure-lowering agents. Using fundoscopic and angiographic findings, CRAO was categorized as incomplete (diminished visual acuity [VA] with slight retinal edema, slight cherry-red spot), subtotal (severe VA reduction, cherry-red spot, distinct retinal edema), or total (massive edema, occluded perimacular arterioles, additional choroidal blood flow interruption). One-month and final best-corrected VA (BCVA) were compared between the IAT and ST groups. Early (≤3 days) and final (1 month) reperfusion (improvement of retinal perfusion) rates were compared between groups. Subgroup analyses were performed according to CRAO stage. Results: Overall VA did not significantly differ between groups, but early reperfusion was greater in the IAT group (74.1% vs. 42.9%, P = 0.005). In incomplete CRAO, the IAT group exhibited greater visual improvement after 1 month (1.08 ± 0.21 vs. 0.23 ± 0.26 logMAR, P <0.001) and at the final visit (1.08 ± 0.53 vs. 0.08 ± 0.57 logMAR, P <0.001). However, in subtotal and total CRAO, no significant differences in visual outcomes were observed between groups. IAT resulted in clinically insignificant cerebral infarcts, detectable on brain imaging, in 8% of patients. Hemorrhagic transformation was not noted. Conclusions: The IAT treatment may provide early restoration of retinal perfusion and offer functional benefits in the management of incomplete CRAO.
    Investigative ophthalmology & visual science 10/2013; · 3.43 Impact Factor
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    ABSTRACT: We report two cases of surgical removal of a retained subfoveal perfluorocarbon liquid (PFCL) bubble through a therapeutic macular hole combined with intravitreal PFCL injection and gas tamponade. Two patients underwent pars plana vitrectomy with PFCL injection for rhegmatogenous retinal detachment. In both cases, a retained subfoveal PFCL bubble was noticed postoperatively by funduscopy and optical coherence tomography. Both patients underwent surgical removal of the subfoveal PFCL through a therapeutic macular hole and gas tamponade. The therapeutic macular holes were completely closed by gas tamponade and the procedure yielded a good visual outcome (best-corrected visual acuity of 20 / 40 in both cases). In one case, additional intravitreal PFCL injection onto the macula reduced the size of the therapeutic macular hole and preserved the retinal structures in the macula. Surgical removal of a retained subfoveal PFCL bubble through a therapeutic macular hole combined with intravitreal PFCL injection and gas tamponade provides an effective treatment option.
    Korean Journal of Ophthalmology 10/2013; 27(5):392-395.
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    ABSTRACT: Abstract Background: Post-traumatic diabetes insipidus (DI) is a relatively common complication after head injury. The authors report a fatal case of refractory DI, which developed in a patient with chronic subdural haematoma. Case history: A 38-year-old woman presented to the emergency room with a headache for over a week. She was alert and neurological examination demonstrated no significant deficits or external wounds in her head. Brain computed tomography (CT) scans revealed a small amount of chronic subdural haematoma bilaterally. She was treated conservatively and her hospital course was uneventful until she developed a convulsive seizure and mental change on the 3rd day after admission. Immediate follow-up CT scans showed no significant change in the amount of haemorrhage except effacement of gyral marking. Bilateral trephination and drainage of the haematoma were performed immediately. Post-operatively, she developed a refractory DI and was managed in the intensive care unit. However, she died on the 6th day after the operation ultimately. Conclusion: The authors emphasize the importance of timely drainage of chronic subdural haematoma to prevent a fatal endocrinologic complication after head injury. This study also discusses the possible mechanism of DI after head injury, management and review of the pertinent literatures.
    Brain Injury 06/2013; · 1.51 Impact Factor
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    ABSTRACT: Defective visual information processing from both central and peripheral pathways is one of the suggested mechanisms of visual hallucination in Parkinson's disease (PD). To investigate the role of retinal thinning for visual hallucination in PD, we conducted a case-control study using spectral domain optical coherence tomography. We examined a representative sample of 61 patients with PD and 30 healthy controls who had no history of ophthalmic diseases. General ophthalmologic examinations and optical coherence tomography scans were performed in each participant. Total macular thickness and the thickness of each retinal layer on horizontal scans through the fovea were compared between the groups. In a comparison between patients with PD and healthy controls, there was significant parafoveal inner nuclear layer thinning, whereas other retinal layers, including the retinal nerve fiber layer, as well as total macular thicknesses were not different. In terms of visual hallucinations among the PD subgroups, only retinal nerve fiber layer thickness differed significantly, whereas total macular thickness and the thickness of other retinal layers did not differ. The retinal nerve fiber layer was thinnest in the group that had hallucinations without dementia, followed by the group that had hallucinations with dementia, and the group that had no hallucinations and no dementia. General ophthalmologic examinations did not reveal any significant correlation with hallucinations. There were no significant correlations between retinal thicknesses and duration or severity of PD and medication dosages. The results indicate that retinal nerve fiber layer thinning may be related to visual hallucination in nondemented patients with PD. Replication studies as well as further studies to elucidate the mechanism of thinning are warranted. © 2013 Movement Disorder Society.
    Movement Disorders 06/2013; · 5.63 Impact Factor
  • Jae Min Kim, Min Wook Kim, Young Jin Ko
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    ABSTRACT: Objective: To determine correlations between ultrasonographic findings of thenar muscle and flexor retinaculum, and nerve conduction studies (NCS) in carpal tunnel syndrome (CTS). Methods: Ultrasound and NCS were performed on 92 wrists with CTS and on 40 wrists from healthy individuals. Ultrasound of thenar and hypothenar muscles, flexor retinaculum, and median nerve were assessed. The ultrasonographic findings were compared between the 2 groups, and correlation analysis between median latency and ultrasonographic findings was performed. Results: Motor latency correlated positively with flexor retinaculum thickness (FRT) and correlated negatively with the ratio of thenar to hypothenar muscle. FRT and motor latency were found to be significantly increased in CTS. The ratio of thenar to hypothenar muscle was found to be significantly decreased in CTS when compared with controls. Conclusions: The ultrasonographic findings of FRT and thenar muscle reflect the severity of disease in patients with CTS and are valuable for the diagnosis of CTS. © 2013 Wiley Periodicals, Inc.
    Muscle & Nerve 03/2013; · 2.31 Impact Factor
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    ABSTRACT: The introduction and development of the embolic protecting device (EPD) has resulted in a decreased rate of stroke after carotid artery stenting (CAS). The authors performed a retrospective study to investigate the risk factors for developing large emboli after CAS which can lead to ischemic events. A total of 35 consecutive patients who underwent CAS between January 2009 and March 2012 were included in this study. Patients were divided into two groups including those with small emboli (group A; grade 1, 2) and those with large emboli (group B; grade 3, 4). The size and number of emboli were assigned one of four grades (1=no clots, 2=1 or 2 small clots, 3=more than 3 small clots, 4=large clots) by microscopic observation of the EPD after CAS. We compared demographic characteristics, medical history, and angiographic findings of each group. Thirty-five patients underwent CAS, and technical success was achieved in all cases. Twenty-three patients were included in group A and 12 patients in group B. Our results demonstrated that advanced age [odds ratio (OR) 1.24; 95% confidence interval (CI) 1.01-1.52; p=0.044] and smoking (OR 42.06; CI 2.828-625.65, p=0.006) were independent risk factors for developing large emboli after CAS. In patients with carotid artery stenosis treated with CAS, advanced age and smoking increased the number and size of emboli. Although use of an EPD is controversial, it may be useful in CAS in patients with risk factors for large emboli in order to reduce the risk of ischemic events.
    Journal of Korean Neurosurgical Society 03/2013; 53(3):155-60. · 0.56 Impact Factor
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    ABSTRACT: IntroductionTo investigate the prevalence, and 12-month persistence and incidence of depression following surgery for breast cancer and to determine factors associated with this in an East Asian setting. Methods All cases at a given hospital following surgery for breast cancer were approached and participants were interviewed 2–5 days after surgery. Depression (major and minor depressive disorders) was diagnosed by the Diagnostic and Statistical Manual of Mental Disorders, 4th edition (DSM-IV) using the Mini International Neuropsychiatric Interview at baseline and 12 months after surgery. Sociodemographic and clinical characteristics were investigated as covariates in logistic regression model. ResultsOf 335 breast cancer patients analyzed at baseline, 80 (23.9%) had prevalent depression. Persistence in those with depression at baseline (60 analyzed) was 33.3%; incidence of depression in those without depression at baseline (202 analyzed) was 13.4%. In adjusted logistic regression analyses, past and family histories of depression were significantly associated with depression on baseline, and number of metastatic axillary lymph nodes was associated with persistence of depression at follow-up. No factors were associated with incident depression. DiscussionDepression is common among Korean women with breast cancer, and predictive factors for depression may differ according to the time after surgery.
    Asia-Pacific Psychiatry 12/2012; 4(4). · 0.47 Impact Factor
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    Jae Min Kim, Hyun-Mi Oh, Min-Wook Kim
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    ABSTRACT: To describe an ultrasonography-guided technique for cubital tunnel injection. The ulnar nerves from 12 elbows of 6 adult cadavers were scanned, and the cross-sectional areas of the ulnar nerves, cubital tunnel inlets and outlets were measured by using ultrasonography. All elbows were dissected after an ultrasonography-guided dye injection at the inlet of the cubital tunnel. The dissectors evaluated the spread of dye and the coloration of the nerve and remeasured the cross-sectional areas of the cubital tunnel inlets and outlets. After a real-time visualization of an ultrasonography-guided injection, the ulnar nerves were seperated from the medial groove for the ulnar nerve. All the ulnar nerves of the cadavers were successfully colored with the dye, from the inlet to oulet of the cubital tunnel. The post-injection cross-sectional areas were significantly larger than the pre-injection cross-sectional areas. No significant differences were detected in the post-injection cross-sectional areas of the cubital tunnel outlet and the ulnar nerve as compared with the pre-injection areas. Clinicians should consider real-time visualization of ultrasonography for guided injection around the ulnar nerve at the inlet of the cubital tunnel.
    Annals of rehabilitation medicine. 08/2012; 36(4):496-500.
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    ABSTRACT: The sinking skin flap syndrome is a rare complication after a large craniectomy. It consists of a sunken skin above the bone defect with neurological symptoms such as severe headache, mental changes, focal deficits, or seizures. In patient with sinking skin flap syndrome, cerebral blood flow and cerebral metabolism are decreased by sinking skin flap syndrome, and it may cause the deterioration of autoregulation of brain. We report a case of a patient with sinking skin flap syndrome who suffered from reperfusion injury after cranioplasty with review of pertinent literature.
    Journal of Korean Neurosurgical Society 02/2012; 51(2):117-9. · 0.60 Impact Factor
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    ABSTRACT: Colpocephaly is an abnormal enlargement of the occipital horns, i.e., the posterior or rear portions of the lateral ventricles of the brain, and is associated with several other brain abnormalities. Colpocephaly is occasionally misdiagnosed as hydrocephalus, and various etiologies have been postulated, including genetic disorders and errors of morphogenesis. Meanwhile, chromosomal losses including 22q and rarely 21q are observed in malignant and atypical meningiomas. We report an uncommon case of a 67-year-old woman with colpocephaly and an atypical meningioma in the posterior fossa. There were no neurological deficits or family history of hereditary neuropsychiatric disorders. Brain magnetic resonance (MR) images showed bilateral enlarged occipital horns, agenesis of corpus callosum, and a cerebellar mass in the right cerebellar hemisphere. Right suboccipital craniotomy was performed, and the tumor was resected totally. Pathological study of the surgical specimen showed findings of atypical meningioma, and the postoperative course was uneventful until hydrocephalus developed. At 36th day after tumor removal, the patient undertook an external ventricular drainage followed by replacement of the ventriculoperitoneal shunt. We discuss the importance of colpocephaly in terms of the differential diagnosis for hydrocephalus and review the pertinent literature.
    Acta neurochirurgica. Supplement 01/2012; 113:167-71.
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    ABSTRACT: Lhermitte-Duclos disease (LDD) is a rare cerebellar disorder characterized by diffuse or focal enlargement of cerebellar folia. Clinical manifestations are usually related to a mass effect and secondary obstructive hydrocephalus. Increased intracranial pressure symptoms and cerebellar symptoms are the most frequent patient complaints. We describe the case of a patient with LDD who developed secondary obstructive hydrocephalus. A 68-year-old woman was brought to the emergency room for sudden vertigo following several bouts of vomiting and headache. There were no external signs of trauma, serious illness or infection. On admission, the patient was alert and had no neurological deficits. Brain computed tomography (CT) and magnetic resonance imaging (MRI) showed hydrocephalus and a cerebellar mass in the right cerebellar hemisphere compressing the fourth ventricle. Suboccipital craniotomy and subtotal removal of the mass was performed. Pathological study of the surgical specimen showed abnormal ganglionic neurons and an enlarged molecular layer compatible with dysplastic gangliocytoma. Cytoreduction can achieve improvement in symptoms caused by mass effect, but postoperative swelling may aggravate obstructive hydrocephalus. Therefore, if symptoms still remain after removal of the mass, an additional shunting procedure may be needed as a further management option.
    Acta neurochirurgica. Supplement 01/2012; 113:161-5.
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    ABSTRACT: Although pituitary adenoma is a primary brain tumor that occasionally accompanies intratumoral hemorrhage, there are little reports about the molecular mechanism of intratumoral bleeding in pituitary adenoma. Vascular endothelial growth factor (VEGF) plays an important role in angiogenesis and vascular permeability of various brain tumors. The authors studied the relationship between intratumoral hemorrhage and the expression of VEGF in human pituitary adenomas. VEGF expression was assessed by reverse transcriptase polymerase chain reaction (RT-PCR) in 71 pituitary adenomas. Clinical factors to investigate were age, gender, hormonal functioning, and radiological findings of pituitary adenomas. Radiological findings which were investigated by magnetic resonance (MR) images were intratumoral hemorrhage, cystic change, tumor size, and cavernous sinus invasion. The relationship between these factors and VEGF expression was statistically analyzed. VEGF was expressed in 25 cases (35.2%). Functioning tumors, hemorrhage, cystic change, and cavernous sinus invasion were 32 (45.1%), 18 (25.4%), 12 (16.9%), and 21 (29.6%) respectively. The expression of VEGF showed a significant relationship with the intratumoral hemorrhage of the adenomas (P <0.001). However, age, gender, tumor size, hormonal functioning, cyst formation, and cavernous sinus invasion had no relationship with VEGF expression (P >0.05). This study suggests that VEGF expression may be responsible for intratumoral hemorrhage of pituitary adenomas. Therefore, VEGF can be a novel target to prevent a catastrophic apoplexy in pituitary adenomas and to establish roles in angiogenesis-based therapeutics of pituitary adenomas.
    Tumori. 09/2011; 97(5):639-46.
  • Japanese Journal of Ophthalmology 03/2011; 55(2):165-7. · 1.27 Impact Factor
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    ABSTRACT: Isolated hypoglossal nerve paresis due to mechanical compression from a vascular lesion is very rare. We present a case of a 32-year-old man who presented with spontaneous abrupt-onset dysarthria, swallowing difficulty and left-sided tongue atrophy. Brain computed tomographic angiography and magnetic resonance imaging of the brainstem demonstrated an abnormal course of the left vertebral artery compressing the medulla oblongata at the exit zone of the hypoglossal rootlets that was relieved by microvascular decompression of the offending intracranial vertebral artery. This case supports the hypothesis that hypoglossal nerve palsy can be due to nerve stretching and compression by a pulsating normal vertebral artery. Microvascular decompression of the intracranial nerve and careful evaluation of the imaging studies can resolve unexpected isolated hypoglossal nerve palsy.
    Journal of Korean Neurosurgical Society 03/2011; 49(3):167-70. · 0.60 Impact Factor
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    ABSTRACT: Minocycline, a second-generation tetracycline-class antibiotic, has been well established to exert a neuroprotective effect in animal models and neurodegenerative disease through the inhibition of microglia. Here, we investigated the effects of minocycline on motor recovery and neuropathic pain in a rat model of spinal cord injury. To simulate spinal cord injury, the rats' spinal cords were hemisected at the 10th thoracic level (T10). Minocycline was injected intraperitoneally, and was administered 30 minutes prior surgery and every second postoperative day until sacrifice 28 days after surgery. Motor recovery was assessed via the Basso-Beattie-Bresnahan test. Mechanical hyperalgesia was measured throughout the 28-day post-operative course via the von Frey test. Microglial and astrocyte activation was assessed by immunohistochemical staining for ionized calcium binding adaptor molecule 1 (Iba1) and glial fibrillary acidic protein (GFAP) at two sites: at the level of hemisection and at the 5th lumbar level (L5). In rats, spinal cord hemisection reduced locomotor function and induced a mechanical hyperalgesia of the ipsilateral hind limb. The expression of Iba1 and GFAP was also increased in the dorsal and ventral horns of the spinal cord at the site of hemisection and at the L5 level. Intraperitoneal injection of minocycline facilitated overall motor recovery and attenuated mechanical hyperalgesia. The expression of Iba1 and GFAP in the spinal cord was also reduced in rats treated with minocycline. By inhibiting microglia and astrocyte activation, minocycline may facilitate motor recovery and attenuate mechanical hyperalgesia in individuals with spinal cord injuries.
    Journal of Korean Neurosurgical Society 02/2011; 49(2):83-91. · 0.60 Impact Factor
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    ABSTRACT: In a proposed display power-management scheme, the laptop detects when the user is not looking at the screen, boosting low-power operation to 50 percent and increasing energy savings by up to 13 percent. With the growth of ubiquitous computing has come an increased reliance on laptops over desktops, and display power management (DPM) that prolongs battery life continues to be a critical issue in maintaining that trend.
    Computer 01/2011; 44:60-66. · 1.68 Impact Factor

Publication Stats

267 Citations
47.87 Total Impact Points

Institutions

  • 2014
    • Chonnam National University
      Gwangju, Gwangju, South Korea
  • 2008–2013
    • Catholic University of Korea
      • Department of Rehabilitation Medicine
      Seoul, Seoul, South Korea
    • Kyung Hee University
      • Advanced Display Research Center
      Sŏul, Seoul, South Korea
    • Eulji University
      • Department of Neurosurgery
      Sŏul, Seoul, South Korea
  • 2011
    • Hanyang University Medical Center
      Sŏul, Seoul, South Korea
    • Dankook University Hospital
      Anjŏ, Gyeonggi Province, South Korea
    • Korea University
      • Department of Computer Science and Radio Communications Engineering
      Sŏul, Seoul, South Korea
  • 2010–2011
    • Seoul National University Hospital
      • Department of Ophthalmology
      Seoul, Seoul, South Korea
    • Korea Institute of Industrial Technology
      Anzan, Gyeonggi Province, South Korea
  • 2002–2006
    • Hanyang University
      • College of Medicine
      Ansan, Gyeonggi, South Korea