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To elucidate the specific function of m-calpain in the metabolism of aggrecan in human articular cartilage, the prevalence and localization of a large glycosaminoglycan-bearing aggrecan product generated by m-calpain in human osteoarthritis (OA) cartilage were investigated. Extracts of human OA articular cartilage were analysed by immunostaining using new(More)
Cervical vertebral involvement of clear cell meningioma is very rare. We report a case of clear cell meningioma in the cervical vertebral body in a 72-year old male. Seven years prior to this presentation, the patient underwent palliative surgery and posterior instrumentation for a cervical vertebral tumor at C5, which had been diagnosed as a metastatic(More)
A vertebral hemangioma with dural compression and neurological deficit is rare. We report a symptomatic lumbar vertebral hemangioma which was successfully managed with total spondylectomy. The patient was a 31-year-old man whose chief complaint was low back pain. He had a slight sensory disturbance in the right thigh. Plain radiography and magnetic(More)
BACKGROUND in addition to formation of an epidermal sheet and dermal substitution, reconstruction of skin that possesses functionality is an important goal for dermatologists. OBJECTIVE we attempted to regenerate eccrine sweat glands in vitro. METHODS we constructed skin equivalent models with various combination of normal human keratinocytes and(More)
Growth plate is a cartilaginous structure responsible for longitudinal growth and calcification of long bones. Aggrecan is initially expressed within the growth plate but is lost during the course of calcification. Calcium-activated proteinases are believed to play a primary role in aggrecanolysis. In this study, m-calpain was shown to be expressed in a(More)
Halo orthosis is used for cervical spine fixation after spinal surgery or injury. Although superficial infection at pin sites occurs frequently, intracranial development of infection, including brain abscesses, is very rare. We experienced subdural empyema due to methicillin-resistant Staphylococcus aureus (MRSA) caused by intracranial penetration of halo(More)
We have proposed and developed electro-optic modulators using array-antenna-electrodes for the conversion of millimeter-wave wireless signals to optical signals in radio-overfiber systems. In this report, wireless signal conversion and discrimination in the 60 GHz band are presented.
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