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Results for “Fallopian Tubes”

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At least 1,225 records · Page 68Linked to original sources
PubMed1989

The autoradiographic localization of calcitonin gene-related peptide and substance P receptors in human fallopian tube.

The binding of [125I] human alpha calcitonin gene-related peptide (hCGRP) and [125I]Bolton-Hunter-labelled substance P (BH-SP) to human fallopian tube tissue sections was characterized and the respective binding sites were localized by light-microscopic autoradiography. The hCGRP binding sites were associated with the muscularis, lamina propria and vascular smooth muscle, the latter being the most intensely labelled. BH-SP binding sites were associated only with blood vessels. This labelling was intense, and appeared to be restricted to the vascular endothelium. These results suggest that calcitonin gene-related peptide and substance P may act together to regulate local blood flow and plasma extravasation.

Autoradiography↗
PubMed1993

Sphenoid and cavernous sinuses involvement as first site of metastasis from a fallopian tube carcinoma. Case report.

The occurrence of central nervous system metastases in ovarian cancer patients ranges from 0.88 to 4.5%. Centra nervous system involvement in a fallopian tube carcinoma is extremely rare. A 77-year-old woman with an invasive tubal carcinoma was admitted because of ophthalmoplegia, sparing the lateral rectus muscle of the left eye, a decreased left corneal reflex and hypoesthesia along the distribution of the ophthalmic and maxillary branches of the left trigeminal nerve. CT scan showed a space occupying lesion in the left sphenoid sinus invading the left cavernous sinus and the submucosa of the left lateral wall of the nasopharynx, proven histologically to be a metastasis from her primary cancer. Attention should be paid to the possibility of distant and unusual metastases associated with tubal cancer in order to treat the patients promptly.

Aged↗
PubMed1989

Primary carcinoma of the fallopian tube. A retrospective study of patients reported to the Danish Cancer Registry in a five-year period.

Fifty-two patients with carcinoma of the fallopian tube diagnosed and treated during a 5-year period in Denmark were reviewed. The median age of the patients was 60 years. No patients had a preoperative diagnosis. History and clinical findings were similar to previously reported series. Treatment consisted of hysterectomy and bilateral salpingo-oophorectomy, often succeeded by postoperative whole pelvic irradiation. Five-year survival was 37.4%, depending on stage. In stage I+II the survival rates were similar regardless of whether postoperative radiation therapy had been given or not. Little is known about the patterns of spread. The relatively bad prognosis for stages I and II after radical surgery indicates early undetected metastases and the need for more aggressive adjunctive therapy.

Actuarial Analysis↗
PubMed2006

Comparison of unilateral and bilateral transfer of injected oocytes into fallopian tubes: a prospective, randomized clinical trial.

OBJECTIVE: To assess whether pregnancy rate differs in unilateral vs. bilateral transfer in "immediate transfer of injected oocytes into the fallopian tubes." DESIGN: Prospective randomized clinical trial. SETTING: Tertiary university hospital. PATIENT(S): The study population included 160 patients presenting with male factor infertility who fulfilled the criteria for immediate transfer of injected oocytes into tubes. INTERVENTION(S): Four injected oocytes were transferred into two tubes (study group) or one tube (control group). MAIN OUTCOME MEASURE(S): Implantation rate, clinical pregnancy rate, multiple pregnancy rate, and incidence of pregnancy with unknown location (PUL). RESULT(S): A total of 72 (45%) pregnancies were achieved. There were 32 pregnancies (1 PUL, 4 multiple, and 27 singletons) in the bilateral transfer group and 40 pregnancies in the unilateral transfer group (1 PUL, 7 multiple, and 32 singletons). No significant difference was found in the implantation rate, clinical pregnancy rate, multiple pregnancy rate, and incidence of PUL. CONCLUSION(S): This study demonstrates that no difference in outcome occurred between unilateral and bilateral transfer in microinjected oocytes intrafallopian transfer (MIFT). Therefore, along with the same outcome parameters, unilateral transfer is the preferred method of MIFT.

Adolescent↗
PubMed2006

Infection of human fallopian tube epithelial cells with Neisseria gonorrhoeae protects cells from tumor necrosis factor alpha-induced apoptosis.

Following infection with Neisseria gonorrhoeae, bacteria may ascend into the Fallopian tubes (FT) and induce salpingitis, a major cause of infertility. In the FT, interactions between mucosal epithelial cells and gonococci are pivotal events in the pathogen's infection cycle and the inflammatory response. In the current study, primary FT epithelial cells were infected in vitro with different multiplicities of infection (MOI) of Pil+ Opa+ gonococci. Bacteria showed a dose-dependent association with cells and induced the secretion of tumor necrosis factor alpha (TNF-alpha). A significant finding was that gonococcal infection (MOI = 1) induced apoptosis in approximately 30% of cells, whereas increasing numbers of bacteria (MOI = 10 to 100) did not induce apoptosis. Apoptosis was observed in only 11% of cells with associated bacteria, whereas >84% of cells with no adherent bacteria were apoptotic. TNF-alpha was a key contributor to apoptosis, since (i) culture supernatants from cells infected with gonococci (MOI = 1) induced apoptosis in naïve cultures, suggesting that a soluble factor was responsible; (ii) gonococcal infection-induced apoptosis was inhibited with anti-TNF-alpha antibodies; and (iii) the addition of exogenous TNF-alpha induced apoptosis, which was inhibited by the presence of increasing numbers of bacteria (MOI = 10 to 100). These data suggest that TNF-alpha-mediated apoptosis of FT epithelial cells is likely a primary host defense mechanism to prevent pathogen colonization. However, epithelial cell-associated gonococci have evolved a mechanism to protect the cells from undergoing TNF-alpha-mediated apoptosis, and this modulation of the host innate response may contribute to establishment of infection. Understanding the antiapoptotic mechanisms used by Neisseria gonorrhoeae will inform the pathogenesis of salpingitis and could suggest new intervention strategies for prevention and treatment of the disease.

Apoptosis↗