polyoma

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polyoma

(ˌpɒlɪˈəʊmə)

(Medicine) med a type of tumour caused by a virus

Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

pol•y•o•ma•vi•rus

(ˌpɒl iˈoʊ məˌvaɪ rəs)

n., pl. -rus•es.

any of several small DNA-containing viruses of the family Papovaviridae, capable of producing a variety of tumors in mice, hamsters, rabbits, and rats.

[1955–60; poly- + -oma + virus]

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Noun

polyoma - a virus the can initiate various kinds of tumors in mice

polyoma virus

papovavirus - any of a group of animal viruses associated with or causing papillomas or polyomas

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Factors impacting short- and long-term outcomes include donor and recipient characteristics, cold ischemia time, donor --recipient match, immune-suppression regimes, and infection with polyoma virus.

A Clinical Study on Deceased Kidney Donors in Puerto Rico and the Survival Outcome of the Grafts: A Retrospective Study of 187 Kidneys from 2009-2011

Brain biopsies for the diagnosis of central nervous system infections caused by herpes simplex viruses, toxoplasmosis, and the JC polyoma virus have become a rarity given the widespread use of highly sensitive PCR-based methods.

Routine Broad-Range Fungal Polymerase Chain Reaction With DNA Sequencing in Patients With Suspected Mycoses Does Not Add Value and Is Not Cost-Effective

Bovine polyoma virus, for example, is a well-known contaminant of serum, but a positive PCR result from serum cannot determine whether there is replicating virus present, or merely DNA fragments.

Viral Contaminant Testing in Biopharma Manufacturing: There is no single test to detect all potential viral contaminants in biopharmaceutical manufacturing, so ensuring safety requires a risk-based approach involving a combination of methods

In some fresh skin and HNC tumors we have detected by multiplex genotyping the DNA of some polyoma and herpesviruses (EBV, HH7, HH8, MCV--unpublished personal data), but for the moment we cannot conclude that these viruses are causally-related with the analyzed tumors.

Skin tumors and their viral origin

Progressive multifocal leukoencephalopathy (PML) is a life-threatening disease of the central nervous system caused by JC polyoma virus (JCV).

Progressive Multifocal Leukoencephalopathy after Treatment with Nivolumab

For instance, viral infections, including BK polyoma virus, which may be clinically silent, can elicit a TH1 response that involves many of the genes that also participate in the acute rejection phenomena (32).

Non-invasive messenger RNA transcriptional evaluation in human kidney allograft dysfunction

Reduced metastasis of Polyoma virus middle T antigen-induced mammary cancer in plasminogendeficient mice.

Relevance of the plasminogen activation system in the pathogenesis and progression of gastric cancer

One child lost her graft because of polyoma (BK) nephropathy and the other secondary to chronic allograft nephropathy.

Pediatric Renal Transplantation in Oman: A Single-center Experience

It is caused by various opportunistic viral infections such as CMV, adenovirus, EBV, human herpes virus 8 (HHV-8), human herpes virus 6 (HHV-6), PVB19, and BK polyoma virus [233].

Drug-Induced Hematological Cytopenia in Kidney Transplantation and the Challenges It Poses for Kidney Transplant Physicians

Abbreviations A[beta]: Amyloid beta AD: Alzheimer's disease IC: Immune complex (complexes) HMPV: Human metapnaumovirus MeV: Measles virus MFI: Median fluorescence intensity NMFI: Normalized median fluorescence intensity rN: Recombinant nucleocapsid protein rVP1: Recombinant major capsid protein VLP: Virus-like particle WUPyV: WU polyoma virus.