Latency of bovine herpesvirus type 5 (BoHV-5) in tonsils and peripheral blood leukocytes

2014 ◽  
Vol 202 (1) ◽  
pp. 134-140 ◽  
Author(s):  
P.A. Favier ◽  
M.S. Marin ◽  
P.E. Morán ◽  
A.C. Odeón ◽  
A.E. Verna ◽  
...  
Keyword(s):  
Peripheral Blood ◽  
Bovine Herpesvirus ◽  
Peripheral Blood Leukocytes ◽  
Blood Leukocytes ◽  
Herpesvirus Type ◽  
Bovine Herpesvirus Type 5

scholarly journals Tissular Distribution of Argentinean Strains of Bovine Herpesvirus Type 4 (BoHV-4) in Experimentally-Infected Calves

2017 ◽  
Vol 22 ◽  
pp. 12
Author(s):  
Pedro Edgardo Morán ◽  
Sandra Elizabet Pérez ◽  
Jorge Pablo García ◽  
Alejandra Nelly Cristina Castro ◽  
Lucas Maximiliano Spetter ◽  
...  
Keyword(s):  
Peripheral Blood ◽  
Clinical Signs ◽  
Bovine Herpesvirus ◽  
Biological Behavior ◽  
In Vivo Model ◽  
Post Inoculation ◽  
Peripheral Blood Leukocytes ◽  
Blood Leukocytes ◽  
Herpesvirus Type

Although bovine herpesvirus type 4 (BoHV-4) is primarily associated with reproductive disorders of cattle, it can produce a variety of clinical signs. To determine the distribution, the presence and type of microscopic lesions caused by BoHV-4 strains of different genotypes an in vivo model, calves were infected with three phylogenetically different Argentinean BoHV-4 strains. Samples from nasal and ocular secretions, peripheral blood leukocytes, tissues and serum were analyzed. BoHV-4 was isolated from nasal and ocular secretions at 7 and 14 days post-inoculation (dpi). Viral DNA was detected by nested PCR in peripheral blood leukocytes at 14 and 21 dpi for two out of three strains and in tissues, such as nervous system, trachea, pulmonary and retropharyngeal lymph nodes, spleen and kidney, at 21 dpi. Antibody levels detected by viral seroneutralization test were mostly low and varied widely for the different strains. The tissue distribution of the BoHV-4 strains and the variations observed in the levels of neutralizing anti-bodies indicate that certain differences can be established among the patterns of biological behavior of each strain. This is an initial step to get insight into the biological characteristics of Argentinean BoHV-4 isolates. However, further evaluation involving a higher number of inoculated animals will be required to be conclusive on this aspect.

scholarly journals Detection of Bovine Herpesvirus Type 1 in Blood from Naturally Infected Cattle by Using a Sensitive PCR That Discriminates between Wild-Type Virus and Virus Lacking Glycoprotein E

1999 ◽  
Vol 37 (8) ◽  
pp. 2498-2507 ◽  
Author(s):  
Monika Fuchs ◽  
Peter Hübert ◽  
Jan Detterer ◽  
Hanns-Joachim Rziha
Keyword(s):  
Peripheral Blood ◽  
Vaccination Strategy ◽  
Bovine Herpesvirus ◽  
Wild Type Virus ◽  
Infected Cattle ◽  
Wild Type ◽  
Blood Leukocytes ◽  
Herpesvirus Type ◽  
Bovine Herpesvirus Type 1

In the present study, we report for the first time on the detection of bovine herpesvirus type 1 (BHV-1) in whole-blood samples derived from naturally infected cattle. Sensitive PCR assays specific for glycoprotein B (gB), gC, and gE of BHV-1 allow the detection of one BHV-1 DNA copy in 105 to 107 peripheral blood leukocytes (PBLs). The incidence of BHV-1-positive PBLs in naturally infected cattle appears to be quite high (92.2% positive PBLs among all samples tested), although in most cases only between 10−5 and 10−7 positive leukocytes were present. The results demonstrate that the viral DNA is detectable not only in the peripheral blood of acutely infected animals but, more importantly, also in the peripheral blood of subclinically infected cattle. The gE-specific PCR described in the report allows discrimination between wild-type (WT) virus-infected and vaccinated animals, which is of importance for control programs that use the recently introduced vaccination strategy with a gE-negative virus. The results further show that doubtful serological results can be verified or falsified and that individual animals can be monitored for the presence or absence of WT BHV-1 or gE-negative virus in cattle herds. The PCR protocols allow the detection of BHV-1 prior to seroconversion or in BHV-1-seronegative cattle. Finally, the results indicate the simultaneous presence of WT and gE-negative vaccine virus in the PBLs of several cattle. Therefore, investigations of viremia in naturally and experimentally infected cattle and on the identification of infected cell types of bovine PBLs can be now performed.

FUNCTIONING OF NO-SYNTHASE IN THE PERIPHERAL BLOOD LEUKOCYTES IN PATIENTS WITH ACNE VULGARIS

2018 ◽  
Vol 14 (66) ◽  
pp. 075
Author(s):  
H. S. Lavryk ◽  
O. P. Korniychuk ◽  
Z. Ya. Fedorovych ◽  
Z. D. Vorobets
Keyword(s):  
Peripheral Blood ◽  
Acne Vulgaris ◽  
No Synthase ◽  
Peripheral Blood Leukocytes ◽  
Blood Leukocytes

A Dinucleotide Deletion in the CD24 Gene Is a Potential Risk Factor for Colorectal Cancer

2020 ◽  
Vol 86 (5) ◽  
pp. 480-485
Author(s):  
Lior Segev ◽  
Ilana Naboishchikov ◽  
Diana Kazanov ◽  
Ezra Bernstein ◽  
Meital Shaked ◽  
...  
Keyword(s):  
Colorectal Cancer ◽  
Peripheral Blood ◽  
Intracellular Signaling ◽  
Genetic Variant ◽  
Colorectal Carcinogenesis ◽  
Polymorphism Analysis ◽  
Peripheral Blood Leukocytes ◽  
Clinical Value ◽  
Blood Leukocytes ◽  
Multistep Process

Background CD24 is a sialoglycoprotein anchored to the cell surface via glycosylphosphatidylinositol and is involved in intracellular signaling processes. It plays an important role in the early stages of the multistep process of colorectal carcinogenesis. Several single nucleotide polymorphisms in the CD24 gene are reported to exert a diverse effect on cancer risk. We aimed to elucidate whether CD24 TG/del genetic variants are associated with susceptibility to colorectal cancer (CRC). Methods The study included 179 subjects, 36 with CRC (prior to surgery) and 143 healthy control subjects. Deoxyribonucleic acid was purified from peripheral blood leukocytes, and by using restriction fragment length polymorphism analysis, the CD24 gene was genotyped for the specific genetic variant, TG deletion. Additionally, CD24 protein expression levels were determined by Western blotting analysis. Results The incidence of the TG/del was higher among the CRC patients compared with healthy controls, 14% and 10%, respectively ( P = .54). CD24 protein levels were significantly higher among CRC patients. There were no significant differences in CD24 expression between CRC patients at different stages of the disease or between patients who carry the mutation and those who did not. Conclusions CD24 genetic variant might be of clinical value for risk assessment as part of cancer prevention programs. Further study on larger populations is needed to validate the importance of this dinucleotide deletion in CRC development. Overexpression of CD24 protein occurs early along the multistep process of CRC carcinogenesis, and a simple blood sample based on CD24 expression on peripheral blood leukocytes can contribute to early diagnosis.

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