scholarly journals The use of direct immunofluorescence and nested polymerase chain reaction in diagnosing perinatal infections of Chlamydia trachomatis

2018 ◽  
Vol 27 (12) ◽  
pp. 1711-1716
Author(s):  
Magdalena Frej-Mądrzak ◽  
Dorota Teryks-Wołyniec ◽  
Piotr Jankowski ◽  
Paulina Krochmal ◽  
Jolanta Sarowska ◽  
...  
Keyword(s):  
Polymerase Chain Reaction ◽  
Chlamydia Trachomatis ◽  
Direct Immunofluorescence ◽  
Chain Reaction ◽  
Nested Polymerase Chain Reaction ◽  
Polymerase Chain

scholarly journals CLINICAL AND IMMUNOLOGICAL CHANGES OF NON-GONOCOCCAL URETHRITIS

2020 ◽  
Vol 22 (1) ◽  
pp. 40-44
Author(s):  
Gadoev Maruf ◽  
◽  
Bakhromuddin Saidzoda ◽  
Keyword(s):  
Polymerase Chain Reaction ◽  
Chlamydia Trachomatis ◽  
Trichomonas Vaginalis ◽  
Ureaplasma Urealyticum ◽  
Control Group ◽  
Direct Immunofluorescence ◽  
Chain Reaction ◽  
Immunological Disorders ◽  
Gonococcal Urethritis ◽  
Polymerase Chain

Objective: To study the clinical features and the state of general immunological reactivity in non-gonococcal urethritis (NGU) in men. Methods: Examined 100 men between the ages of 20 and 48 years: 75 patients of NGU (main group) and 25 healthy (control group). The average age of the patients was 26.7±1.7 years, and the male of control group was 27.9±1.7 years. Clinical, microscopic, immunological research methods were used, including direct immunofluorescence (DIF), polymerase chain reaction (PCR). Results: Ureaplasma urealyticum was found in 37 (49.3%) patients, 33 (44%) had Chlamydia trachomatis, 23 (30.7%) had Mycoplasma genitalium, 16 (21.3%) had Trichomonas vaginalis. In 24 (32%) of NGU patients had a mixed infection: in 14 (18.7%) had a combination of two STIs and in 10 (13, 3%) had three infections. In 51 (68%) of patients the process passed in the form of monoinfection. Various complaints (dysuric disorders, pain, discomfort and agglutination of the labium urethra) were presented by 51 (68%) of sick patients. The excretions from the urethra were marked in 46 (61.3%) of patients, reproductive disorders are 3 times less common. Immunological disorders were manifested by a decrease in CD4 and CD8 lymphocytes, PHA, PN and IL-10, increase – IgM, IgG, CIC, TNFα, IL-1β. Conclusions: The most common cause of NGU is Ureaplasma urealyticum and Chlamydia trachomatis. In most cases NGU proceeds in the form of monoinfection. Subjective and objective symptoms occur in 64% and 59% of patients, respectively. Immunological disorders were detected in 71% of patients. Keywords: Non-gonogococcal urethritis, direct immunofluorescence, immunoenzyme method, polymerase chain reaction

Using a Polymerase Chain Reaction as a Complementary Test to Improve the Detection of Dermatophyte Fungus in Nails

2014 ◽  
Vol 104 (3) ◽  
pp. 233-237 ◽  
Author(s):  
María José Iglesias Sánchez ◽  
Ana María Pérez Pico ◽  
Félix Marcos Tejedor ◽  
María Jesús Iglesias Sánchez ◽  
Raquel Mayordomo Acevedo
Keyword(s):  
Polymerase Chain Reaction ◽  
Dna Sequences ◽  
Classical Method ◽  
Clinical Manifestations ◽  
Culture Method ◽  
Clinical Samples ◽  
Chain Reaction ◽  
Nested Polymerase Chain Reaction ◽  
Traditional Procedure ◽  
Polymerase Chain

Background Dermatomycoses are a group of pathologic abnormalities frequently seen in clinical practice, and their prevalence has increased in recent decades. Diagnostic confirmation of mycotic infection in nails is essential because there are several pathologic conditions with similar clinical manifestations. The classical method for confirming the presence of fungus in nail is microbiological culture and the identification of morphological structures by microscopy. Methods We devised a nested polymerase chain reaction (PCR) that amplifies specific DNA sequences of dermatophyte fungus that is notably faster than the 3 to 4 weeks that the traditional procedure takes. We compared this new technique and the conventional plate culture method in 225 nail samples. The results were subjected to statistical analysis. Results We found concordance in 78.2% of the samples analyzed by the two methods and increased sensitivity when simultaneously using the two methods to analyze clinical samples. Now we can confirm the presence of dermatophyte fungus in most of the positive samples in just 24 hours, and we have to wait for the result of culture only in negative PCR cases. Conclusions Although this PCR cannot, at present, substitute for the traditional culture method in the detection of dermatophyte infection of the nails, it can be used as a complementary technique because its main advantage lies in the significant reduction of time used for diagnosis, in addition to higher sensitivity.

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