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Tomasz Rechberger

Publications and source records attributed to Tomasz Rechberger.

At least 19 recordsLinked to original sources
PubMed2006

An alpha-1 chain of type I collagen Sp1-binding site polymorphism in women suffering from stress urinary incontinence.

OBJECTIVE: We examined the possible influence of G-->T substitution in transcription factor Sp1-binding site in the gene encoding alpha-1 chain of type I collagen on the risk of stress urinary incontinence. STUDY DESIGN: The study group consisted of 50 women reporting symptoms of stress urinary incontinence. Fifty control subjects were treated for benign gynecological conditions other then stress urinary incontinence. DNA was obtained from peripheral blood leukocytes. The fragment of the first intron of the gene encoding the alpha-1 chain of type I collagen containing the Sp1-binding site was amplified by polymerase chain reaction. The analysis of restriction fragment length polymorphism was performed. RESULTS: We found association between the GT and TT genotype and stress urinary incontinence (P = .019). The odds ratio for developing stress urinary incontinence is 4.98 (95% confidence interval 1.97 to 12.56) in subjects presenting the GT genotype and 2.23 (95% confidence interval 0.69 to 7.25) for the TT genotype. CONCLUSION: The G-T polymorphism at the Sp1 binding site of the gene encoding alpha-1 chain of type 1 collagen is associated with increased risk of stress urinary incontinence in women.

Adult↗
PubMed2005

Allelic loss at TP53 is not related to p53 protein overexpression in primary human endometrial carcinomas.

We examined loss of heterozygosity (LOH) at the TP53 gene in primary human endometrial carcinomas (EC), and investigated the relationship between allelic loss, p53 protein overexpression, pRb-1 pathway alterations and MIB-1 proliferative activity. Applying the non-isotopic PCR-RFLP/VNTR-silver staining techniques, we investigated TP53 LOH in 46 tumors at four polymorphic loci. Out of 42 informative carcinomas, LOH was found in 19% of the cases studied. In general, there was no significant relationship between LOH and the clinical and pathological variables of cancer, including patient age, clinical stage, histological grade or depth of myometrial invasion. Interestingly, none of 7 tumors associated with hyperplasia revealed allelic imbalance, whereas 8 of 27 (30%) tumors without hyperplasia exhibited LOH (p=0.312; Fisher's exact test). Overexpression of nuclear p53 was not correlated with allelic loss at TP53 (p=0.336, Fisher's exact test). It is worth pointing out that p53 immunoreactivity was significantly related to proliferative activity of cancer (R=0.42, p=0.0037; Spearman's rank correlation test). A tendency towards a poorer outcome was reported in EC patients displaying TP53 LOH during short-time follow-up (p=0.093; log-rank test). None of the tumors simultaneously showed LOH at TP53 and RB1 genes (R=-0.211, p=0.16; Spearman's rank correlation test). p16INK4A alterations (LOH and gene deletion) occurred concomitantly, with 3 tumors showing the TP53 allelic loss, whereas the cyclin D1/cdk4 complex was overexpressed in a case with TP53 LOH. Altogether, losses at TP53 were not associated with p53 nuclear overexpression, but may affect a subset of EC patients characterized by an unfavorable prognosis at short-time follow-up. Allelic loss at TP53 seems to arise independently of LOH at the RB1 gene in carcinomas of the uterine corpus in humans. Disruptions at p16INK4A and/or cdk4/cyclin D1 concomitantly occurring with TP53 LOH may participate in the development of a subset of endometrioid-type ECs.

Adult↗
PubMed2005

Comparing raloxifene with continuous combined estrogen-progestin therapy in postmenopausal women: Review of Euralox 1.

OBJECTIVES: To review the main findings of the Euralox 1 study - a multicentre, randomised, double-blind study conducted in 1008 healthy postmenopausal women allocated to raloxifene (n = 495) or continuous combined estrogen-progestin therapy (ccEPT; n = 513) for 6 months -- and provide an overview of the risks and benefits of raloxifene and ccEPT. METHODS: A review is provided of previously published findings on uterine safety (bleeding rates and changes in endometrial thickness and uterine volume), gynaecological adjudication, cardiovascular risk (lipids, fibrinogen), adverse events, compliance, treatment satisfaction and quality of life. New data on biochemical markers of bone turnover (serum N-telopeptides and C-terminal telopeptides of type I collagen; NTX and CTX) assessed before and after 6 months' treatment are presented. RESULTS: Raloxifene caused less uterine bleeding than ccEPT and, unlike ccEPT, did not alter endometrial thickness or uterine volume. Serum CTX and NTX levels were reduced in both treatment groups, but the reduction was significantly greater with ccEPT. The two treatments had differential effects on lipids and fibrinogen levels; raloxifene had more favourable effects on serum HDL, the LDL/HDL ratio, and plasma fibrinogen. Raloxifene was associated with fewer adverse events or discontinuations, and this was associated with higher treatment satisfaction and better self-reported compliance. CONCLUSIONS: The clinical risk-benefit profile of raloxifene derived from the intermediate endpoints of this study suggests that it may be a better alternative to ccEPT for preventing long-term postmenopausal health risks in healthy postmenopausal women who are not suffering from vasomotor symptoms.

Bone Remodeling↗
PubMed2005

The immunohistochemical profile of the primary and metastatic carcinoma of the clitoris: a case report.

We describe the immunohistochemical profile of rare primary squamous carcinoma of the clitoris metastasizing to the bilateral inguinal lymph nodes. Several antigens were assessed immunohistochemically (pRb1, p16INK4A, cyclin D1, cdk4, estrogen receptor (ER), progesterone receptor (PR), androgen receptor (AR), p53, Ki-67, p27KIP1, PTEN, hMLh1, phospho-AKT, collagen IV, leptin and CD90) in both tumors. All the antibodies applied revealed a staining pattern that is typical of primary and metastatic carcinomas. Cyclin D1-cdk4 complex was overexpressed, whereas there was no p16INK4A immunostaining. Moreover, both tumors expressed positivity for p53 protein, but were negative for estrogen and progesterone receptors. The proliferative activity of cancer, assessed by MIB-1 Proliferative Index, amounted to 25% either for primary or for metastatic tumors. As a conclusion, immunohistochemical assessment of various cell-cycle-associated molecules yield clues as to their possible function during the process of spread of rare neoplasm originating from the clitoris.

Aged↗
PubMed2005

Lack of correlation between leptin receptor expression and PI3-K/Akt signaling pathway proteins immunostaining in endometrioid-type endometrial carcinomas.

A number of studies published recently focused on the putative role of leptin in the pathogenesis of various primary human malignancies. Current study was aimed at investigating ObR, PI3-kinase, phospho-Akt kinase and PTEN proteins expression in forty-five primary human endometrioid-type endometrial carcinomas (EC). ObR immunostaining was detected in 21 of 45 (47%) ECs, presented in almost 60% of well- and moderately-differentiated tumors compared to only 17% of poorly-differentiated neoplasms (P<0.05). Semi-quantitative histological score (H-score) ObR values were inversely correlated with patients' body mass index (R=-0.35; P=0.019). ObR expression was significantly higher in normal weight compared to overweight and obese patients (P=0.024). All slides displayed intense PI3-kinase immunoreactivity, whereas phospho-Akt kinase expression was reported in 96% (43 out of 45) cases. Fifteen (33%) ECs were negative for PTEN expression, nine (20%) showed heterogeneous immunostaining pattern, whereas 21 (47%) were PTEN-positive. There was a trend towards a higher phospho-Akt kinase intensity immunostaining in PTEN-negative compared to PTEN-positive cases, but the difference was not significant. There was no significant association between each PI3-K/Akt signaling pathway proteins immunostaining in endometrioid-type ECs. In conclusion, ObR expression is associated with histological grading and the weight of women affected by EC. The components of PI3-K/Akt kinase signaling pathway are expressed in most of the primary endometrioid-type endometrial neoplasms.

Adult↗
PubMed2005

Collagen deposition around polypropylene tapes implanted in the rectus fascia of female rats.

OBJECTIVE: Implantation of the mesh induces a foreign-body reaction followed by the development of connective tissue that may alter tape property. The aim of our study was to evaluate the deposition of collagen in the vicinity of monofilament tension-free vaginal tape (TVT; Ethicon Inc., Johnson & Johnson) and multifilament intravaginal slingplasty (IVS; Tyco Healthcare) polypropylene tapes implanted in female rats. METHODS: The samples of the meshes (10 mg each) were implanted in the rectus fascia of 14 Wistar female rats and removed after 42 days. Collagen was extracted with 0.5 M acetic acid and subsequently with pepsin (1 mg/ml in 0.5 M acetic acid). Collagen concentration was measured using Sircol Collagen Assay (Biocolor Ltd.) and normalised for milligrams of tape weight. For histological examination, tape samples were stained with haematoxylin and eosin or with silver for type III collagen. RESULTS: The total amount of collagen extracted did not differ significantly between TVT and IVS samples. For both tapes, extraction with acetic acid yielded a higher amount of collagen (about 70%) than extraction with pepsin. On histological examination, less densely packed bundles of collagen fibres and a slightly more intense inflammatory reaction were observed with TVT compared with IVS mesh. CONCLUSION: The total amount of collagen deposited around the polypropylene mesh implanted in female rats was similar for TVT and IVS meshes, but differences were noted in the arrangement of the collagen fibres and the intensity of the inflammatory reaction.

Animals↗
PubMed2005

[The role of insulin resistance and resistin in pathogenesis of diabetes mellitus with special attention to diabetes in pregnancy].

During pregnancy, energy metabolism is altered to meet the increased energy demand by the rapidly growing fetus. Postprandial hyperglycemia is usually observed in gestation due to the decreased insulin sensitivity. The placenta derived hormones are partially responsible for the insulin resistance. The mechanism of this event in still unclear. The results of experimental studies suggest that resistin, a novel adipose derived hormone, is the factor which causes insulin resistance in animals. The recent data shows that resistin is also synthesized in human placenta. Hence, it is assumed that by modulation of cells sensitivity to insulin, resistin may contribute to development of diabetes during pregnancy.

Adult↗
PubMed2005

[Are the hormonal status or psychosocial conditions the major cause of female depressive disorders after menopause?].

The study was aimed to assess if the prevalence of female depressive disorders after menopause depends on their hormonal status (E2, FSH, testosterone, DHEAS) or psychosocial conditions, Moreover, the influence of HRT on female mood disorders was estimated. One hundred women (44=65 ys old) were included into the study. Ali patients were complaining of hot flushes for at least 6 months. Among these women 31% had depressive disorders at baseline. The hormonal status, psychosocial conditions and mood disorders (Beck's and Haniilton's scales) were assessed at the baseline and after 12 months in 50 women on HRT and in 20 control patients. After 1 year the depressive mood disappeared in 59% and worsened in 5,9% of women taking HRT, whereas in the control group 35% of patient experienced depression. Among women on HRT the significant increase of serum DHEAS was observed in patients with improvement of mood as well as in depressed ones. Serum testosterone, 17P-estradiol and FSH levels did not differ between both groups. The higher scores of Beck's and Hamilton's scales were not associated with hormonal status but correlated with worsening of psychosocial conditions. The female depressive disorders after menopause are associated with their psychosocial conditions but not with their hormonal status.

Aged↗
PubMed2005

[Delayed positioning of multifilament tape (IVS transobturator tape) in treatment of stress urinary incontinence caused by the radiotherapy].

Radiotherapy is used to treat advanced stages of cervical cancer. Despite optimization of the doses delivered during radiotherapy chronic urinary tract complications still occur in 1-5% of patients. We report a case of 60 years old woman, treated 10 years ago for stage III cervical carcinoma. She received both intracavitary brachytherapy and external teletherapy. Since irradiation patient suffered from the stress urinary incontinence (SUI). She was diagnosed in our department and underwent successful anti-incontinence surgery. Because of oncological history and urodynamic parameters (markedly lowered closing urethral pressure) she was assigned to intravaginal slingplasty transobturator (IVS-OT) procedure with delayed positioning of the tape. There were no intra- or postoperative complication. The check-up done four months following surgery revealed that patient have full control of micturition and markedly improved quality of life.

Female↗
PubMed2005

[Didelphic uterus coexisting with bladder exstrophy].

Congenital anomalies of structures originating from Mullerian ducts are important gynecological problem. They often coexist with malformations of urinary tract. In this report we describe the case of 31 year old women with didelphus and bladder extrophy. The surgical treatment consisted on transabdominal total hysterectomy due to endometriosis IV (rAFS) narrowing ureteroenterostomy.

Abnormalities, Multiple↗
PubMed2005

[Classification and surgery for uterovaginal anomalies].

Maldevelopment of the müllerian ducts occurs in a variety of forms, and each anomaly is distinctive. Nevertheless, some generalizations can be made. A comprehensive preoperative evaluation of patients with suspected uterovaginal malformations is essential, but a clear understanding of the particular anomaly may not be established until the time of surgical correction. It is essential to exclude other then anatomical causes of procreative misfortunes before making the decision dealing with surgical correction of a given uterovaginal anomaly.

Adnexa Uteri↗
PubMed2005

[Women's sexual life quality assessment with use of questionnaires in clinical trials--review of accessible tools, their characteristics and comparison of their properties].

AIM: Aim of the study is a review of women's sexual life quality assessment questionnaires available in literature, analysis of their construction, special properties and usability in clinical trials. MATERIAL AND METHODS: Medline database and accessible literature has been reviewed. Seven questionnaires have been chosen for analysis. Analysis in scope of potential and usability of those questionnaires in clinical tests has been performed. CONCLUSIONS: Suitability of The Female Sexual Function Index (FSFI) and The Brief Index of Sexual Functioning for Women (BISF-W) have been shown as universal tools for sexual function assessment in clinical trials. They meet current model of women's sexual reaction and criteria of sexual disfunction classification.

Clinical Trials as Topic↗
PubMed2005

[Risk factors and early prevention of osteoporosis].

Osteoporosis is a generalized bone disease that is characteristed by diminish of bone mass and destruction of bone microarchitecture, which leads to increased risk of bone fractures. The appearance of disease to much extent depends on the amount of bone mass that has been stored in the periods of childhood and adolescence. This article discusses basic factors which determine correct bone building including genetic, hormonal and environmental factors. The awareness of their existence as well as the knowledge of risk factors allows to implement proper, early prevention of this disease becoming more and more common.

Bone Density↗
PubMed2004

Clinicoprognostic significance of pRb1 pathway alterations in uterine endometrial adenocarcinoma.

Components of the pRb1 pathway play a pivotal role in regulating the G1/S transition in the cell cycle. This study investigated the association between pRb1-cyclin D1-cdk4-p16INK4A pathway alterations and the clinical and prognostic utility for women affected by primary uterine endometrial adenocarcinoma (EC). The study population consisted of 50 cases of EC patients who were investigated for RB1 and CDKN2A (alias p16INK4A) gene alterations, as well as for the expression pattern of pathway proteins. Altogether, pRb1 pathway alterations were noted in 54% (27 of 50) of ECs, and more frequently in advanced-stage uterine carcinomas (P=0.024, Fisher exact test). Loss of heterozygosity abnormalities in RB1 and CKDN2A coexisted with altered cyclin D1-cdk4 complex immunoreactivity only in 2 patients, both less than 50 years of age. With respect to pRb1 pathway alterations, however, the recurrence rate was not significantly different (P=0.477; log-rank test). Our results suggest that the progression of uterine endometrial adenocarcinoma is generally accompanied by increased frequency of pRb1 pathway alterations. Alterations of the retinoblastoma pathway may not be necessarily associated with the recurrence of EC.

Adenocarcinoma↗