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Viral glycoproteins: biological role and application in diagnosis.

ABSTRACT: The viruses that infect humans cause a huge global disease burden and produce immense challenge towards healthcare system. Glycoproteins are one of the major components of human pathogenic viruses. They have been demonstrated to have important role(s) in infection and immunity. Concomitantly high titres of antibodies against these antigenic viral glycoproteins have paved the way for development of novel diagnostics. Availability of appropriate biomarkers is necessary for advance diagnosis of infectious diseases especially in case of outbreaks. As human mobilization has increased manifold nowadays, dissemination of infectious agents became quicker that paves the need of rapid diagnostic system. In case of viral infection it is an emergency as virus spreads and mutates very fast. This review encircles the vast arena of viral glycoproteins, their importance in health and disease and their diagnostic applications.

SUBMITTER: Banerjee N

PROVIDER: S-EPMC4758313 | biostudies-literature | 2016 Mar

REPOSITORIES: biostudies-literature

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Viral glycoproteins: biological role and application in diagnosis.

Banerjee Nilotpal N Mukhopadhyay Sumi S

Virusdisease 20160118 1

The viruses that infect humans cause a huge global disease burden and produce immense challenge towards healthcare system. Glycoproteins are one of the major components of human pathogenic viruses. They have been demonstrated to have important role(s) in infection and immunity. Concomitantly high titres of antibodies against these antigenic viral glycoproteins have paved the way for development of novel diagnostics. Availability of appropriate biomarkers is necessary for advance diagnosis of inf ...[more]

PMID: 26925438

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Project description:Forty diseased cats and seven healthy control cats from different sex, ages and breeds had examined clinically to confirm presence or absence of clinical symptoms of Feline panleukopenia disease (FP). Several tools including ELISA, gene expression analysis (qRT-PCR), DNA fragmentation test and apoptosis assay were conducted to determine the Feline panleukopenia disease in cat tissues. Clinical symptoms in the form of depression, fever, anorexia, vomiting, diarrhea, dehydration, anaemia and leucopenia were recorded in the diseased cats while no clinical sings were observed in control healthy cats. ELISA results showed that all of diseased (n?=?40) cats were positive while control cats (n?=?7) were negative for FP viral antigen. After carrying out of ELISA assay, supportive treatment trials including fluid therapy, immunostimulant, antibiotics to overcome dehydration, restoring electrolytes imbalances, combating secondary bacterial infection were conducted but all diseased cats were died and control cats exposed to soft death. Gene expression analysis detected high levels of FP viral gene in several cat tissues in which ilium exhibited high viral expression levels compared with jejunum. Also, viral expression levels in jejunum were higher than in mesenteric lymph nodes. In addition, viral expression levels were not detected in tissues of control cats. The results of the DNA fragmentation assay observed that DNA extracted from different tissues of infected cats exhibited damaged DNA bands as compared with DNA of control cats. DNA fragmentation rates in infected tissues increased significantly (P?<?0.01), the highest rates were showed in ilium and jejunum tissue than in mesenteric lymph nodes. Determination of apoptosis in cat tissues showed that rate of apoptosis/necrosis increased significantly (P?<?0.05) in infected cats tissues in comparison to control cats. Moreover the highest apoptotic ratios of infected cats were observed in ilium and jejunum tissues compared with mesenteric lymph nodes.

Dataset Information

Viral glycoproteins: biological role and application in diagnosis.

Publications

Viral glycoproteins: biological role and application in diagnosis.

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