Glucocorticoid receptor (GR) expression of cultured murine ORNs was observed among ORNs at the mature stage. Expression of GRs by murine OE was localized on mature ORNs and supporting cells. Administration of GC to both cultured ORNs and mice resulted in proportions of apoptotic cells that were significantly higher than those in the control groups.
We wondered how many women had experienced a sensation of fullness in the ear during pregnancy. To address this question, data were obtained from a group of healthy women who attended the gynaecology clinic in our hospital as pregnancy cases between February 1995 and January 1998 and who volunteered to participate in our study. A control group was drawn from healthy female co-medical staff members of our hospital who had never been pregnant. The data used for comparing the two groups were taken from a questionnaire about ear problems that was presented to all subjects. The results suggest that ear problems may be increased in pregnancy, particularly for hypotensive pregnant women. However, even for pregnant women complaining of ear problems, pure-tone audiometry and impedance audiometry showed normal hearing in all cases. Furthermore, these women's complaints resolved completely on delivery of their babies.
Werner's syndrome is characterized by clinical signs of premature ageing. A 42-year-old man presented with three-year history of hoarseness. Also noted were skin atrophy of the face and hands, ulcerations around the ankles, and a history of cataracts. A clinical diagnosis of Werner's syndrome was made. Laryngoscopy revealed bowed vocal folds resulting in a spindle-shaped defect with glottal incompetence during phonation. Examination also revealed decreased maximum phonation time and vocal fatigue. At surgery, atrophy of the vocalis muscle was noted. Furthermore, degeneration of muscle fibres was noted in the temporalis muscle. The atrophic changes in the vocal folds that occur with ageing and result in an increased fundamental frequency were seen in this patient. The characteristic hoarseness of Werner's syndrome appears to be the result of premature ageing of the vocal-folds.
A multidisciplinary therapy, consisting of minimally invasive resection, irradiation, and regional chemotherapy, can yield good patient prognosis and quality of life after treatment.
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