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  • 1
    Electronic Resource
    Electronic Resource
    Structural and sequence diversity of the pathogenicity island of uropathogenic Escherichia coli which encodes the USP protein (2001)
    Oxford, UK : Blackwell Publishing Ltd
    FEMS microbiology letters 205 (2001), S. 0 
    Details
    ISSN: 1574-6968
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology
    Notes: A total of 321 uropathogenic Escherichia coli (UPEC) strains and 12 strains of E. coli isolated from stool samples of healthy individuals, which were previously shown to be positive in colony hybridization test using the usp (encoding for the uropathogenic-specific protein) DNA probe, were examined by PCR amplification to determine the size of the usp gene and the pathogenicity island (PI). Three types of size variation were observed for the usp gene and four types for the PI. Sequencing analysis of the PIs from seven representative strains (six UPEC and one from a normal healthy individual) revealed that the usp genes can be classified into two groups, each having different sequences in the 3′-terminal region. The peptides encoded by the three open reading frames (ORFs) downstream of usp had identical 23 amino acid residues in the C-terminal region. The subregion encoding these small ORFs has a mosaic structure constituted of six segments. The positions of these segments vary from strain to strain, and in some strains, two to four segments are deleted. This indicates that rearrangements occur frequently in this region and the mosaic arrangement apparently contributes to the size variation observed in the PCR examination of the usp genes and PIs.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1574-6968.2001.tb10927.x
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  • 2
    Electronic Resource
    Electronic Resource
    JKK1, an upstream activator of JNK/SAPK, is activated in Alzheimer's disease (2003)
    Oxford, UK : Blackwell Science Ltd
    Journal of neurochemistry 85 (2003), S. 0 
    Details
    ISSN: 1471-4159
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: JNK/SAPK has been implicated in the pathogenesis of Alzheimer's disease, but the upstream cascade leading to JNK/SAPK activation has not been elucidated in the disease. In this study, we focused on one of the physiological activators of JNK/SAPK, JNK kinase 1 (JKK1). Although there was no significant difference in the level and distribution of total JKK1 between Alzheimer's disease (AD) and age-matched control cases, increased levels of activated phospho-JKK1 were specifically localized to neurofibrillary pathology including neurofibrillary tangles, senile plaque neurites, granulovaualar degenerations and neuropil threads in severe AD (Braak stage V–VI), considerably overlapping with its downstream effector, phospho-JNK/SAPK, suggesting both a functional and mechanistic link. Nuclear localization of phospho-JKK1 was also found in mild (Braak stage III–IV) but not in severe AD cases (Braak stage V–VI), suggesting a possible re-distribution correlating with the progress of the disease. By immunoblot analyses, phospho-JKK1 was significantly increased in AD over control cases. Together, these findings lend further credence to the notion that the JNK/SAPK pathway is dysregulated in AD and also indicate an active role for this pathway in disease pathogenesis.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1046/j.1471-4159.2003.01645.x
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  • 3
    Electronic Resource
    Electronic Resource
    Neuroprotective properties of Bcl-w in Alzheimer disease (2004)
    Oxford, UK : Blackwell Science Ltd
    Journal of neurochemistry 89 (2004), S. 0 
    Details
    ISSN: 1471-4159
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: While there is a host of pro-apoptotic stimuli that target neurons in Alzheimer disease (AD), given the chronicity of the disease and the survival of many neurons, those neurons must either avoid or, at minimum, delay apoptotic death signaling. In this study, we investigated Bcl-w, a novel member of the Bcl-2 family that promotes cell survival. In AD, we found increased levels of Bcl-w associated with neurofibrillary pathology and punctate intracytoplasmic structures whereas, in marked contrast, there are only low diffuse levels of Bcl-w in the neuronal cytoplasm of age-matched control cases. Immunoblot analysis confirmed that Bcl-w levels were significantly increased in AD. By electron microscopy, we determined that the increased Bcl-w expression in AD was ultrastructurally localized to mitochondria and neurofibrillary pathology. To investigate the cause and consequence of Bcl-w up-regulation in neurons, we found that fibrillized amyloid-β led to increased Bcl-w protein levels in M17 human neuroblastoma cells, and that overexpression of Bcl-w significantly protected neurons against staurosporine- and amyloid-β-induced apoptosis. Taken together, these series of results suggest that Bcl-w may play an important protective role in neurons in the diseased brain and that this aspect could be therapeutically harnessed to afford neuroprotection.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1471-4159.2004.02416.x
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  • 4
    Electronic Resource
    Electronic Resource
    Adult-onset idiopathic hypogonadotropic hypogonadism presented with erectile and ejaculatory disorder (2002)
    Melbourne, Australia : Blackwell Science Pty
    International journal of urology 9 (2002), S. 0 
    Details
    ISSN: 1442-2042
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: A 37-year-old man who had fathered a child five years previously presented with erectile and ejaculatory disorder. Endocrinological examinations revealed isolated luteinizing hormone-releasing hormone (LHRH) deficiency of hypothalamus, resulting in hypogonadotropic hypogonadism, and no causative abnormality was detected in imaging studies, including magnetic resonance imaging (MRI). Having a diagnosis of adult-onset hypogonadotropic hypogonadism, the patient received pulsatile subcutaneous administration of gonadotropin-releasing hormone (GnRH). Sperm analysis and serum level of testosterone improved to normal in a few months. His wife became pregnant using artificial insemination with her husband's semen 15 months after the beginning of the treatment.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1046/j.1442-2042.2002.00522.x
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  • 5
    Electronic Resource
    Electronic Resource
    Per-operative frozen section examination of pelvic nodes is unnecessary for the majority of clinically localized prostate cancers in the prostate-specific antigen era (2000)
    Melbourne, Australia : Blackwell Science Pty
    International journal of urology 7 (2000), S. 0 
    Details
    ISSN: 1442-2042
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Background : The incidence of unsuspected lymph node metastasis seems to be decreasing in the prostate-specific antigen (PSA) era. It remains controversial as to whether routine pelvic lymph node dissection and per-operative frozen section examination should be performed. In addition, it is still unclear whether an aggressive approach to local disease by surgery or irradiation confers survival benefits on stage D1 patients. Methods : Eighty-eight consecutive patients with clinically localized prostate cancer who underwent pelvic lymph node dissection prior to radical prostatectomy during the period between 1985 and 1998 were analyzed. The incidence of lymph node metastases after 1992 was compared with that before 1992. Sensitivity and specificity of frozen section examination was assessed. Progression-free survival and cause-specific survival curves of node-positive patients who underwent radical prostatectomy were estimated by the Kaplan–Meier method. Results : Six of 17 patients (35.3%) treated before 1992 and five of 71 patients (7.0%) treated after 1992 showed unsuspected lymph node metastasis (P = 0.0059). Eight of 11 node-positive patients underwent radical prostatectomy and two have so far demonstrated clinical progression and cancer death with a median follow-up period of 63 months. The 5 year progression-free rate and the cause-specific survival rate for these patients were 71.4 and 85.7%, respectively. Sensitivity of frozen section examination for micrometastasis and gross-metastasis cases, respectively, was 3/6 (50%) and 4/4 (100%), while specificity was 85/85 (100%). Conclusions : The incidence of unsuspected lymph node metastases has been significantly decreased in the PSA era. Frozen section examination of pelvic nodes can be omitted and radical prostatectomy is an acceptable choice of treatment in patients without macroscopically apparent nodal metastases.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1046/j.1442-2042.2000.00191.x
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  • 6
    Electronic Resource
    Electronic Resource
    Anaphylaxis following administration of intravenous methylprednisolone sodium succinate in a renal transplant recipient (2004)
    Melbourne, Australia : Blackwell Science Pty
    International journal of urology 11 (2004), S. 0 
    Details
    ISSN: 1442-2042
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Abstract Methylprednisolone sodium succinate (MPS) is widely used in the management of renal transplantation. Of interest is the rare occurrence of anaphylaxis and anaphylactoid reaction to MPS. We report on a patient who developed anaphylaxis following the intravenous administration of MPS during a renal transplant operation. Intracutaneous testing was carried out with MPS and a strong positive reaction was observed. Histamine and tryptase concentrations were high after the anaphylactic reaction. Including the present case, there have been 13 reports of anaphylactic or anaphylactoid reactions to MPS, occurring in renal transplant recipients. Clinicians should be aware of the potential risk of MPS administration. If transplant patients undergo skin testing against MPS prior to transplant, they may benefit from an alternative medication with other corticosteroids. To use MPS without severe adverse reactions, lower administration rates and dosages are very important.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1442-2042.2003.00769.x
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  • 7
    Electronic Resource
    Electronic Resource
    Sensitization of human renal cell carcinoma cell lines to TRAIL-induced apoptosis by anthracyclines (2004)
    Melbourne, Australia : Blackwell Science Pty
    International journal of urology 11 (2004), S. 0 
    Details
    ISSN: 1442-2042
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Background: Tumor necrosis factor-related apoptosis-inducing ligand (TRAIL) is a new member of the tumor necrosis factor family. The present study investigated whether anthracyclines enhance TRAIL-induced apoptosis and cytotoxicity in renal cell carcinoma (RCC) cells.Methods: Cytotoxicity was measured using the microtiter assay. Apoptosis was monitored using DNA ladder analysis. Caspase activity was determined using a quantitative colorimetric assay.Results: Treatment of ACHN and Caki-1 human RCC lines with TRAIL, in combination with subtoxic concentrations of epirubicin (EPI) or pirarubicin (THP), enhanced induction of apoptosis and cytotoxicity. Sequential treatment with EPI followed by TRAIL induced significantly more cytotoxicity than the inverse treatment. The combined cytotoxicity of TRAIL and EPI was significantly inhibited by the TRAIL-neutralizing fusion protein DR5:Fc, although EPI did not affect the mRNA expression of DR4, DR5, DcR1 or DcR2. The combination treatment with TRAIL and EPI activated caspase-6 and -3, which were downstream molecules of the death receptor. Furthermore, the combined cytotoxicity of TRAIL and EPI was almost completely inhibited by Z-VAD-FMK, and partly inhibited by Ac-DMQD-CHO.Conclusion: These findings indicate that anthracyclines sensitize RCC cells to TRAIL-induced apoptosis and cytotoxicity through activation of caspases, suggesting that TRAIL, in combination with anthracyclines, has a therapeutic potential in the treatment of RCC.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1442-2042.2003.00766.x
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  • 8
    Electronic Resource
    Electronic Resource
    Telomerase activity in urine after transurethral resection is not a predictive marker for recurrence of superficial bladder cancer (2003)
    Melbourne, Australia : Blackwell Science Pty
    International journal of urology 10 (2003), S. 0 
    Details
    ISSN: 1442-2042
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1046/j.1442-2042.2003.00581.x
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  • 9
    Electronic Resource
    Electronic Resource
    Successful treatment of primary aldosteronism due to computed tomography-negative microadenoma (2003)
    Melbourne, Australia : Blackwell Science Pty
    International journal of urology 10 (2003), S. 0 
    Details
    ISSN: 1442-2042
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Abstract We report a case of aldosterone-producing microadenoma that was correctly diagnosed and thus treated less invasively by laparoscopic adrenalectomy. A 58-year-old woman presented with palpitation and muscular weakness. She exhibited hypertension, hypokalemia and increased aldosterone excretion with suppressed renin activity. Therefore, primary aldosteronism was suggested. Although adrenal scintigram and computed tomography findings in the adrenal glands were normal, adrenal venous sampling tests indicated an overproduction of aldosterone in the right adrenal gland. We diagnosed an aldosterone-producing microadenoma in the right adrenal gland and performed an adrenalectomy. The patient became normotensive postoperatively and histopathological examination demonstrated a microadenoma, 5 mm in diameter.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1046/j.1442-2042.2003.00674.x
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  • 10
    Electronic Resource
    Electronic Resource
    Follow-up of clinical stage I testicular cancer patients: Cost and risk benefit considerations (2002)
    Melbourne, Australia : Blackwell Science Pty
    International journal of urology 9 (2002), S. 0 
    Details
    ISSN: 1442-2042
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Background : Regardless of the way it is managed, a high cure rate has been achieved for recurrent low-stage testicular cancer. Achieving a balance between survival and the patient’s inconvenience and expense during follow-up, has therefore become an important issue.〈section xml:id="abs1-2"〉〈title type="main"〉 Methods :Prognoses and recurrence patterns were investigated in 39 patients with stage I non-seminomatous germ cell tumor of the testis (NSGCT), and 82 patients with stage I seminomatous germ cell tumor of the testis (SGCT), who underwent high orchiectomy between 1970 and 1997 at our institution. We considered the cost benefits and the risks by reviewing our results together with other reported results.〈section xml:id="abs1-3"〉〈title type="main"〉 Results :Patients with clinical stage I NSGCT under surveillance showed no progression later than 4 years after orchiectomy. The ability to detect progression using chest X-ray alone appeared very low. There was no infradiaphragmatic recurrence after adjuvant radiotherapy for patients with stage I SGCT. Only two of 204 patients showed progression, which included eight of our patients who underwent two cycles of adjuvant carboplatin therapy.〈section xml:id="abs1-4"〉〈title type="main"〉 Conclusions :Four years of intensive follow-up is probably sufficient for patients with stage I NSGCT under surveillance, and routine chest X-rays may be required only during the first year of surveillance. The benefit of using adjuvant radiotherapy for patients with stage I SGCT is that we could remove abdominal and pelvic CT scans from the routine follow-up protocol. Randomized trials will clarify whether the adjuvant carboplatin therapy is less toxic, provides better prognosis and is more cost-effective than adjuvant radiotherapy.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1046/j.1442-2042.2002.00440.x
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