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PubMed1975

Chemotherapeutic nitroheterocycles. 18. 2-(5-Nitro-2-imidazolylmethylene)-1-indanones, -1-tetralones, and -acetophenones substituted by aminoalkoxy groups.

2-(5-Nitro-2-imidazolylmethylene)-1-indanones, -1-tetralones, and -acetophenones substituted by aminoalkoxy groups and related compounds (41-69, table ii) were synthesized and their antimicrobial activities were evaluated (table iii). Some of these compounds (e.g. 47, 52, and 59) suprisingly exhibited a broad antibacterial spectrum including Proteus species and Pseudomonas aeruginosa. Extraordinary antitrichomonal activities could also be observed in vitro (MIC of compound 59, 0.0004 pg/ml) and six of the title compounds (48, 49, 52, 58, 64, 66) displayed in vivo activity in mice against Trichomonas vaginalis comparable to that of metronidazole (70).

Acetophenones↗
PubMed1999

[Pulmonary trichomoniasis: diagnosis based on identification of irritation in bronchoalveolar lavage].

Bronchopulmonary infections caused by trichomonads have been reported mainly in patients with pre-existing pulmonary or debilitating disease (e.g. bronchial carcinoma, lung abscess, bronchiectasis). Pulmonary trichomoniasis is most often due to infection with Trichomonas tenax, usually regarded as a harmless commensal of the human mouth, and may rarely be caused by other trichomonas species. A 45 year old female presented with a dry cough, exertional dyspnoea and malaise. These symptoms persisted for 6 months regardless of anti-inflammatory and anti-obstructive inhalative therapy. Sarcoidosis of the lungs, diagnosed 20 years prior, had been asymptomatic since and there was no coexistent disease. Laboratory data revealed increased ACE-levels (90 IE/ml) and lung function showed bronchial hyperreactivity on histamine challenge. No other abnormalities were found (chest x-ray, bronchoscopy, lung function test, blood count and serum calcium). The diagnosis was based on the cytological identification of numerous trophozoites of T. tenax in the bronchoalveolar lavage. Therapy with oral metronidazol for 40 days led to complete recovery from symptoms and normalisation of ACE serum levels. The patient has remained well for 12 months since. The pathogenicity of oral trichomonads in the non-immunocompromised host remains uncertain. Our patient had no known medical risk factors by comparison with published cases. The case illustrates the clinical relevance of pulmonary trichomoniasis in an otherwise healthy person.

Animals↗
PubMed1986

Monoclonal antibodies against Trichomonas vaginalis.

Spleen lymphocytes obtained from mice immunized with Trichomonas vaginalis ATCC 30001 were fused with P3-X63-Ag8-653 mouse myeloma in order to produce hybridoma-secreting antibodies against T. vaginalis associated antigens. Six hybridoma cloned cell lines were established; three produced IgG1, two produced IgG2a, and one produced IgM monoclonal antibody. These six monoclonal antibodies showed binding to seven isolated strains of T. vaginalis but did not bind to Giardia lamblia. Three of those monoclonal antibodies did not bind to Tritrichomonas foetus. These anti-trichomonal monoclonal antibodies should prove to be of great value as diagnostic and research reagents.

Animals↗
PubMed1984

Unnecessary microscopy in routine urinalysis.

The consequence of omitting urine sediment microscopy in specimens with normal physicochemical testing was assessed in a retrospective review of laboratory and clinical data in 1,000 patients. The pathologic states of clinical significance most likely to be overlooked were Trichomonas infection and occasional cases of significant bacteriuria. However, the medical benefit of performing urine microscopy in these two groups of patients was not clear. The authors cautiously recommend reserving microscopy for urine specimens that show physicochemical abnormalities.

Bacteriuria↗
PubMed1985

Geographic variation among isolates of Trichomonas vaginalis: demonstration of antigenic heterogeneity by using monoclonal antibodies and the indirect immunofluorescence technique.

Although Trichomonas vaginalis causes one of the most common sexually transmitted diseases, little is known about the antigenic variation of the parasite or about differences between strains in epidemiology or virulence. Variation among isolates of T. vaginalis was investigated by using a panel of monoclonal antibodies, each reactive with different antigens, to test 88 isolates from diverse geographic areas of North America. All isolates of T. vaginalis reacted with at least one of the nine monoclonal antibodies; the individual antibodies reacted with 22%-76% of the isolates. A pool of two broadly reactive antibodies identified all isolates in the study. Four of the most narrowly reactive, or "specific," antibodies demonstrated differences in the antigenic composition of trichomonads isolated from patients in Seattle, Baltimore, and Brooklyn, New York (P less than .005 by chi 2 test). Application of these and other monoclonal antibody probes may facilitate epidemiological studies and provide rapid, reliable methods for direct diagnosis of trichomonads in clinical specimens.

Animals↗