BACKGROUND Although there are many methods including AFB smear and culture, and the analysis of pleural fluid in the etiological diagnosis of pleural effusion, it is sometimes difficult to confirm a diagnosis especially in cases of incomplete pleural biopsies. Moreover, the high incidence of tuberculous pleuritis in young people caused confusion in the differential diagnosis of pleural effusion...

BACKGROUND Reports worldwide indicate high prevalence of Chlamydophila spp. infection in cattle. To assess the prevalence in Sweden, 525 cows in 70 dairy herds with reproductive disorders was investigated. METHODS To detect antibodies two commercially available kits were used. Moreover, 107 specimens, including vaginal swabs, organ tissues and milk were analysed by Polymerase Chain Reaction (...

We have sequenced serum albumin cDNA from liver of the Mongolian gerbil, Meriones unguiculatus. The deduced amino acid sequence showed 82.6% and 73.6% identity with the corresponding proteins from rats and humans, respectively. Identical cDNA was detected in pancreas by reverse transcription followed by polymerase chain reaction (RT-PCR). Further amplification of cDNA by nested PCR revealed the...

Purpose. To investigate viral infection as a cause of punctal stenosis in individuals without any ocular or systemic risk factors. Methods. The study group comprised patients with no known cause for punctal occlusion who underwent surgery at one medical center during a one-year period. Excised tissue was subjected to histological examination, PCR, and nested PCR testing for common viruses (aden...

objective: hepatitis c virus is the major cause of viral hepatitis and its diagnosis in suspected specimens is of great importance. the risk of transfusion- transmitted virus infection is primarily the result of failure in serological screening tests to detect recently infected donors in the pre-seroconversion window period of infection. therefore, sensitive and accurate diagnosis of hcv prior ...

Background: Toxoplasma gondii is a significant cause of abortion in sheep and goats in the world. Toxoplasmosis is caused reproduction disorders such as fetal resorption, early embryonic death, mummification, abortion, stillbirth, neonatal and fetal death in sheep . Objectives: The aim of this study was to detect T. gondii infection in ovine aborted fetuses in Khorasan Razavi province. Methods:...

AIM To quantify Toxoplasma gondii DNA using a specially constructed artificial template as competitor in a nested polymerase chain reaction (PCR). METHODS The diagnostic assay was a nested PCR employing four primers that amplify part of the single copy gene for the P30 major surface antigen in T gondii. An artificial competitor containing the four primer binding sites was made first by creati...

INTRODUCTION This study was performed to compare nested-polymerase chain reaction (PCR) with viral culture as a diagnostic tool for genital herpes simplex virus (HSV) infection in a sexually transmitted infection (STI) clinic in Singapore. METHODS 103 consecutive patients presenting with clinical features suggestive of genital herpes were enrolled in the study. Two swabs were obtained from ea...

Aim—To quantify Toxoplasma gondii DNA using a specially constructed artificial template as competitor in a nested polymerase chain reaction (PCR). Methods—The diagnostic assay was a nested PCR employing four primers that amplify part of the single copy gene for the P30 major surface antigen in T gondii. An artificial competitor containing the four primer binding sites was made first by creating...