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OBJECTIVE Thyroid peroxidase (TPO) deficiency is one of the causes of thyroid dyshormonogenesis, because TPO plays a key role in thyroid hormone biosynthesis. To determine the frequency and pattern of TPO abnormalities, we have been screening TPO genes of patients with congenital goitrous hypothyroidism. SUBJECTS AND METHODS TPO genes of a patient with(More)
In spermatogenesis, the Golgi apparatus is important for the formation of the acrosome, which is a sperm-specific organelle essential for fertilization. Comprehensive examinations of the spatiotemporal distribution and morphological characterizations of the Golgi in various cells during spermatogenesis are necessary for functional analyses and mutant(More)
Five mutated thyroid peroxidases (TPO) with varying degrees of disturbance in cell surface expression, probably owing to misfolding, were comparatively analyzed. CHO-K1 cells transfected with these mutated mRNAs expressed TPO protein in 65.6-82.1% of cells in antibody staining, and the TPOs were located in intracellular structures like the nuclear envelope(More)
Thyroid peroxidase (TPO) abnormality is one of the causes of congenital hypothyroidism. Two missense mutations were found as a compound heterozygous mutation in two siblings with congenital goitrous hypothyroidism. One of these mutations, G614A (R175Q), was a novel mutation. Characterization of the novel mutation and a cotransfection experiment with two(More)
A study was carried out to determine which factors contributed to the vowel and consonant recognition ability of recipients of the 22-channel cochlear implant system. On the basis of the statistical analysis, no isolated factor showed a strong correlation with vowel recognition score. On the other hand, negative correlations were found between patients'(More)
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