No abstract available.
Hemorrhagic Fever with Renal Syndrome* ; Humans ; Proteinuria*

PURPOSE: We determined the effect of tyrosine kinase inhibitor(TKI), ZM260603 on the growth of prostate cancer cell lines. MATERIALS AND METHODS: Using the synthetic TKI, ZM260603, cytotoxicity test and cell cycle analysis were performed on LNCaP, DU-145 and PC3 prostate cancer cell lines. The bcl-2 and bax protein expressions were observed in PC3 prostate cancer cell line by western blotting. The inhibitory effect of TKI was determined under the presence or absence of dehydrotestosterone, in androgen-dependent LNCaP prostate cancer cell line. RESULTS: The synthetic TKI, ZM260603 showed definite cytotoxicity on all prostate cancer cell lines studied regardless of androgen-dependency. The IC50 were 0.35+/-0.08microM, 0.12+/-0.06microM and 0.21+/-0.09microM for LnCaP, DU-145 and PC-3 cell lines, respectively. The G0/G1 phase arrests were observed commonly in all of these cell lines by flowcytometric analysis. Decrement in bcl-2 expression and increment of bax protein expression in the PC-3 cell line was observed by western blotting. The IC50 of hormone-dependent LNCaP prostate cancer cell line on TKI was increased about four folds by the addition of dihydrotestosterone. CONCLUSIONS: Our results suggest that the changes in the expression of bcl-2 and bax proteins are related with inhibitory process of the synthetic TKI, ZM260,603 on the growth of prostate cancer cell lines. Androgen seems to act as compromising or weakening the effects of TKI in androgen-dependent prostate cancer cell line, although the exact relationships between androgen-dependency and bcl-2 expression are unclear.
bcl-2-Associated X Protein ; Blotting, Western ; Cell Cycle ; Cell Line* ; Dihydrotestosterone ; Inhibitory Concentration 50 ; Prostate* ; Prostatic Neoplasms* ; Protein-Tyrosine Kinases* ; Tyrosine*

No abstract available.
Hypopituitarism*

BACKGROUND AND OBJECTIVES: Anatomical knowledge of microsurgical anatomy of the perigeniculate ganglion area is essential to the exploration of the facial nerve via translabyrinthine approach or middle fossa approach. This study was designed to investigate the surgical anatomy of the perigeniculate ganglion area of the facial nerve in view of translabyrinthine and middle fossa approach. MATERIALS AND METHOD: We dissected 15 human cadaveric temporal bones under a microscope and measured the lengths of the proximal part of tympanic segment, the labyrinthine segment, and the angle between the tympanic segment and the labyrinthine segment in the view of translabyrinthine approach. We dissected 20 human temporal bones under a microscope using a middle fossa approach, and measured the angle between the lines drawn from the malleus head to the vertical crest and from the malleus head to the geniculate ganglion, and the distance from the malleus head to the geniculate ganglion. RESULTS: The distance of facial nerve from the cochleariform process to the geniculate ganglion was 3.8+/-0.7 mm. The length of the labyrinthine segment of facial nerve was 4+/-0.8 mm. The angle between the tympanic segment and the labyrinthine segment in the view of translabyrinthine approach was 26+/-5degrees. The angles between the lines drawn from the malleus head to the vertical crest and from the malleus head to the geniculate ganglion, and the distance from the malleus head to the geniculate ganglion were found to be 23+/-2degreesand 6.5+/-0.3 mm, respectively. CONCLUSION: Precise knowledge about the microsurgical anatomy of the perigeniculate ganglion area of facial nerve is imperative for facial nerve decompression by a translabyrinthine and middle fossa approach.
Cadaver ; Cranial Fossa, Middle ; Decompression ; Facial Nerve* ; Ganglion Cysts* ; Geniculate Ganglion ; Head ; Humans ; Malleus ; Temporal Bone

OBJECTIVES: The aim of this study was to observe the nystagmus of totally unilateral vestibular function loss on galvanic vestibular stimulation and the diagnostic value of galvanic vestibular stimulation. Additionally we wanted to evaluate which portions may be stimulated by galvanic vestibular stimulation. MATERIALS AND METHODS: We evaluated the three parameters of galvanic stimulation in fourteen patients with totally unilateral vestibular function loss, 1)spontaneous nystagmus, 2)galvanic stimulating nystagmus, 3)Post galvanic stimulating nystagmus through 3-dimensional video-oculography technique. RESULTS: When negative electrode was attached to the intact side, The nystagmus on galvanic vestibular stimulation was directed to the negative electrode side in all patients and post galvanic stimulating nystagmus was directed to the opposite side but on functional loss side, we couldn't detect any nystagmus on galvanic vestibular stimulation and in 10 patients, post galvanic stimulating nystagmus was observed and directed to the intact side. CONCLUSIONS: Galvanic vestibular stimulation is very useful for evaluating the vestibular function and for diagnosing the vestibular disease.
Electrodes ; Humans ; Vestibular Diseases

Bloating is one of the most common and troublesome problems in a large proportion of patients with gastrointestinal disorders but the mechanism is not completely understood. Several factors, including gas-producing intestinal microbiota, disturbed handling of intestinal gas, visceral hypersensitivity, abnormal viscero-somatic responses, fermentable diet, and psychological factors, have been suggested as mechanisms. For an assessment, thorough medical history-taking and physical examination are the first steps. On the other hand, organic disorders should always be considered first for a differential diagnosis. The therapeutic options available are considered challenging and still limited in clinical practice. The treatment strategy may include diet modification, pharmacologic approach, psychiatric approach, biofeedback, etc. Further studies will be needed to explore the variable mechanism of bloating and develop an efficient treatment.
Biofeedback, Psychology ; Diagnosis, Differential ; Diet ; Food Habits ; Gastrointestinal Microbiome ; Gastrointestinal Tract ; Hand ; Humans ; Hypersensitivity ; Physical Examination ; Psychology

Constipation is one of the most common gastrointestinal disorders with a prevalence up to 16.5% in the general population. It is frequently multifactorial and the pathophysiologic mechanism of constipation is not fully understood. Many preclinical studies of constipation have used animal models. Translational research using these animal models is essential to the investigation of neurogenic and myogenic mechanisms of colon, and to the estimation of the clinical efficacy of new drugs. In this review, we discuss some of the current translational research projects on constipation using animal models.
Colon ; Constipation* ; Gastrointestinal Motility ; Models, Animal ; Prevalence ; Translational Medical Research* ; Treatment Outcome

PURPOSE: This study set out to investigate the safety and efficacy of doxazosin treatment in symptomatic patients with benign prostatic hyperplasia(BPH) in Korea. MATERIALS AND METHODS: A total of 237 male patients aged 50 or over with clinical evidence of BPH were enrolled into this 12-week, open, baseline-controlled, dose-response study. A run-in period of 2 weeks placebo treatment was followed by 10 weeks of doxazosin treatment. The initial dose was 1mg per day which, at 2-week intervals, could have been titrated up to 2, 4, or 8mg per day. Efficacy, in terms of International Prostate Symptom Score(I-PSS) and blood pressure(BP), was assessed from Week 6 onwards. RESULTS: A total of 180 patients(mean age 65.3 years) completed the study, with the most common reason for withdrawal being lost to follow-up(35 cases); four patients were withdrawn due to adverse events. Mean I-PSS score was reduced by 48.8%(from 21.5 at baseline to 11 at completion). Subset analysis of normo- or hypertensive patients showed that in the 26 hypertensive patients mean systolic BP was reduced by 12.3%(-19mmHg) and mean diastolic BP by 13.7%(-14mmHg), whereas in normotensive patients the reductions were 4.0%(-5mmHg) and 1.9%(-1.5mmHg), respectively. No differences in I-PSS improvements were seen between these two groups. The effects of age were also investigated and showed no significant differences in the changes in blood pressure for older patients(> or =65 years; n=91 ) compared with younger patients(7.5/5.8mmHg compared with 6.5/5.0mmHg). There were no differences in I-PSS improvement. Twenty eight adverse events were reported by 16 patients, the most commomly reported events being dizziness, postural hypotension, and headache. CONCLUSIONS: The effectiveness and safety of doxazosin in the treatment of BPH was confirmed in this Korean population, with significant improvements in I-PSS regardless of patient age and blood pressure at baseline. The baseline I-PSS was higher than is commonly seen in European populations, indicating a greater disease severity.
Blood Pressure ; Dizziness ; Doxazosin* ; Headache ; Humans ; Hypotension, Orthostatic ; Korea ; Male ; Prostate ; Prostatic Hyperplasia*

Epithelial myoepithelial carcinoma is a rare tumor with slightly less than one percent of salivary gland neoplasm. Histologically, the carcinomas are characterized by a mixture of trabecular structure with outer myoepithelial cells and inner ductal cells, which are confirmed by electron microscopy and immunohistochemistry. Although this neoplasm exhibits high degree of cellular differentiation histologically, it is classified into low grade carcinoma because of its locally infiltrative, destructive growth pattern, and tendency to metastasize. We report a 45-year-old woman with epithelial-myoepithelial carcinoma arising from a submandubular gland, one of the most unusual locations.
Female ; Humans ; Immunohistochemistry ; Microscopy, Electron ; Middle Aged ; Salivary Gland Neoplasms ; Submandibular Gland

No abstract available.
Constriction, Pathologic* ; Diagnosis*