keyword
MENU ▼
Read by QxMD icon Read
search

Oncovirus

keyword
https://www.readbyqxmd.com/read/29765906/epstein-barr-virus-and-human-papillomaviruses-interactions-and-their-roles-in-the-initiation-of-epithelial-mesenchymal-transition-and-cancer-progression
#1
REVIEW
Farhan S Cyprian, Halema F Al-Farsi, Semir Vranic, Saghir Akhtar, Ala-Eddin Al Moustafa
Oncoviruses are implicated in around 20% of all human cancers including both solid and non-solid malignancies. Epstein-Barr virus (EBV) and human papillomaviruses (HPVs) are the most common oncoviruses worldwide. Currently, it is well established that onco-proteins of EBV (LMP1, LMP2A, and EBNA1) and high-risk HPVs (E5 and E6/E7) play an important role in the initiation and/or progression of several human carcinomas, including cervical, oral, and breast. More significantly, it has been recently pointed out that viral onco-proteins of EBV and high-risk HPVs can be co-present and consequently cooperate to initiate and/or amplify epithelial-mesenchymal transition (EMT), which is the hallmark of cancer progression and metastasis...
2018: Frontiers in Oncology
https://www.readbyqxmd.com/read/29732319/epstein-barr-virus-in-gliomas-cause-association-or-artifact
#2
REVIEW
Saghir Akhtar, Semir Vranic, Farhan Sachal Cyprian, Ala-Eddin Al Moustafa
Gliomas are the most common malignant brain tumors and account for around 60% of all primary central nervous system cancers. Glioblastoma multiforme (GBM) is a grade IV glioma associated with a poor outcome despite recent advances in chemotherapy. The etiology of gliomas is unknown, but neurotropic viruses including the Epstein-Barr virus (EBV) that is transmitted via salivary and genital fluids have been implicated recently. EBV is a member of the gamma herpes simplex family of DNA viruses that is known to cause infectious mononucleosis (glandular fever) and is strongly linked with the oncogenesis of several cancers, including B-cell lymphomas, nasopharyngeal, and gastric carcinomas...
2018: Frontiers in Oncology
https://www.readbyqxmd.com/read/29722130/esophageal-squamous-cell-carcinoma-in-a-malaysian-cohort-shows-a-lack-of-association-with-human-papillomavirus
#3
Phaik-Leng Cheah, Cing-Chai Koh, Tsung Fei Khang, Khean-Lee Goh, Peng-Choong Lau, Kin-Fah Chin, Kean-Hooi Teoh, Yen-Fa Toh, Lai-Meng Looi
OBJECTIVE: Whether the human papillomavirus (HPV) is associated with esophageal cancer has been controversial and there has been no report to date on this in Malaysians or other South East Asian populations. With an age-standardized incidence rate (ASR) of 2 per 100,000, esophageal cancers are not common amongst Malaysians, but are nevertheless important due to its poor prognosis. METHODS: Sixty-seven esophageal squamous cell carcinoma (ESCC), histologically-diagnosed between 1st January 2004 and 31st December 2014 at the Department of Pathology, University of Malaya Medical Center, Malaysia were considered for HPV analysis using 2 commercially-available methods, PCR with flow-through hybridization (21 HPV GenoArray Diagnostic Kit; Hybribio, Hong Kong) and multiplex real-time PCR (Anyplex II HPV28 Detection; Seegene, Korea)...
May 2, 2018: Journal of Digestive Diseases
https://www.readbyqxmd.com/read/29719817/the-role-of-epstein-barr-virus-in-cervical-cancer-a-brief-update
#4
REVIEW
Semir Vranic, Farhan Sachal Cyprian, Saghir Akhtar, Ala-Eddin Al Moustafa
Epstein-Barr virus (EBV) belongs to the group of gamma-herpes viruses and was the first recognized human oncovirus. EBV is responsible for infectious mononucleosis and multiple lymphoid and epithelial malignancies including B-cell lymphomas (Burkitt lymphoma, Hodgkin lymphoma, and post-transplant lymphoproliferative disorder), various T-cell/NK lymphoproliferative disorders, nasopharyngeal carcinoma, and gastric carcinoma, respectively. In addition, the presence of EBV has been documented in other cancers including breast, prostate, oral, and salivary gland carcinomas...
2018: Frontiers in Oncology
https://www.readbyqxmd.com/read/29673190/the-role-of-mirnas-in-virus-mediated-oncogenesis
#5
REVIEW
Zuzana Vojtechova, Ruth Tachezy
To date, viruses are reported to be responsible for more than 15% of all tumors worldwide. The oncogenesis could be influenced directly by the activity of viral oncoproteins or by the chronic infection or inflammation. The group of human oncoviruses includes Epstein–Barr virus (EBV), human papillomavirus (HPV), hepatitis B virus (HBV), hepatitis C virus (HCV), human herpesvirus 8 (HHV-8) or polyomaviruses, and transregulating retroviruses such as HIV or HTLV-1. Most of these viruses express short noncoding RNAs called miRNAs to regulate their own gene expression or to influence host gene expression and thus contribute to the carcinogenic processes...
April 17, 2018: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29660378/an-epi-c-genetic-war-pathogens-cancer-and-human-genome
#6
REVIEW
Deepa Rajagopalan, Sudhakar Jha
Cancer is characterized by inter and intra-heterogeneity and this is also observed in the context of cancers caused by pathogens. Nearly 20% of all cancers are attributable to pathogenic organisms. Pathogenic infections result in deregulation of gene expression both by genetic and epigenetic mechanisms, thereby causing malignant transformation. Another characteristic of pathogen-induced cancers is the occurrence of chronic inflammation due to activation of the innate and adaptive arms of the immune system. This review focuses on the epigenetic changes induced by oncoviruses, parasites, cancer-causing bacteria and 'endogenous pathogens' to trigger host cell proliferation indefinitely as well as the inflammation associated with pathogen-induced cancers...
April 13, 2018: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/29377246/searching-for-human-oncoviruses-histories-challenges-and-opportunities
#7
Jian Cao, Dawei Li
Oncoviruses contribute significantly to cancer burden. A century of tumor virological studies have led to the discovery of seven well-accepted human oncoviruses, cumulatively responsible for approximately 15% of human cancer cases. Virus-caused cancers are largely preventable through vaccination. Identifying additional oncoviruses and virus-caused tumors will advance cancer prevention and precision medicine, benefiting affected individuals, and society as a whole. The historic success of finding human oncoviruses has provided a unique lesson for directing new research efforts in the post-sequencing era...
June 2018: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/29186062/viral-oncology-molecular-biology-and-pathogenesis
#8
REVIEW
Uyen Ngoc Mui, Christopher T Haley, Stephen K Tyring
Oncoviruses are implicated in approximately 12% of all human cancers. A large number of the world's population harbors at least one of these oncoviruses, but only a small proportion of these individuals go on to develop cancer. The interplay between host and viral factors is a complex process that works together to create a microenvironment conducive to oncogenesis. In this review, the molecular biology and oncogenic pathways of established human oncoviruses will be discussed. Currently, there are seven recognized human oncoviruses, which include Epstein-Barr Virus (EBV), Human Papillomavirus (HPV), Hepatitis B and C viruses (HBV and HCV), Human T-cell lymphotropic virus-1 (HTLV-1), Human Herpesvirus-8 (HHV-8), and Merkel Cell Polyomavirus (MCPyV)...
November 29, 2017: Journal of Clinical Medicine
https://www.readbyqxmd.com/read/29104494/pathogenic-role-of-exosomes-in-epstein-barr-virus-ebv-associated-cancers
#9
REVIEW
Sin-Yeang Teow, Kitson Liew, Alan Soo-Beng Khoo, Suat-Cheng Peh
Exosomes are 40- to 100-nm membrane-bound small vesicles that carry a great variety of cellular cargoes including proteins, DNA, messenger RNAs (mRNAs), and microRNAs (miRNAs). These nanovesicles are detected in various biological fluids such as serum, urine, saliva, and seminal fluids. Exosomes serve as key mediators in intercellular communication by facilitating the transfer and exchange of cellular components from cells to cells. They contain various pathogenic factors whereby their adverse effects have been implicated in multiple viral infections and cancers...
2017: International Journal of Biological Sciences
https://www.readbyqxmd.com/read/28994707/why-human-papillomavirus-acute-infections-matter
#10
REVIEW
Samuel Alizon, Carmen Lía Murall, Ignacio G Bravo
Most infections by human papillomaviruses (HPVs) are `acute', that is non-persistent. Yet, for HPVs, as for many other oncoviruses, there is a striking gap between our detailed understanding of chronic infections and our limited data on the early stages of infection. Here we argue that studying HPV acute infections is necessary and timely. Focusing on early interactions will help explain why certain infections are cleared while others become chronic or latent. From a molecular perspective, descriptions of immune effectors and pro-inflammatory pathways during the initial stages of infections have the potential to lead to novel treatments or to improved handling algorithms...
October 10, 2017: Viruses
https://www.readbyqxmd.com/read/28983187/viral-causes-of-lymphoma-the-history-of-epstein-barr-virus-and-human-t-lymphotropic-virus-1
#11
REVIEW
Daniel Esau
In 1964, Epstein, Barr, and Achong published a report outlining their discovery of viral particles in lymphoblasts isolated from a patient with Burkitt lymphoma. The Epstein-Barr virus (EBV) was the first human cancer virus to be described, and its discovery paved the way for further investigations into the oncogenic potential of viruses. In the decades following the discovery of EBV, multinational research efforts led to the discovery of further viral causes of various human cancers. Lymphomas are perhaps the cancer type that is most closely associated with oncogenic viruses: infection with EBV, human T-lymphotropic virus 1 (HTLV-1), human immunodeficiency virus (HIV), Kaposi sarcoma-associated herpesvirus/human herpesvirus 8, and hepatitis C virus have all been associated with lymphomagenesis...
2017: Virology: Research and Treatment
https://www.readbyqxmd.com/read/28965834/epstein-barr-virus-lymphoproliferative-disease-after-solid-organ-transplantation
#12
REVIEW
Susan E Prockop, Anant Vatsayan
Epstein-Barr virus (EBV) was the first identified human oncovirus and is also one of the most ubiquitous viral infections known with established infections in more than 90% of individuals by early adulthood. EBV establishes latency by controlling expression of the viral genome making it silent to immune surveillance. In immunocompetent individuals, up to 1% of circulating T cells are directed at maintaining control over EBV replication. In addition to being involved in oncogenesis of lymphoid and epithelial tumors in immune-competent individuals, loss of immune surveillance over EBV predisposes individuals to EBV malignancies...
November 2017: Cytotherapy
https://www.readbyqxmd.com/read/28962899/the-interaction-between-mitochondria-and-oncoviruses
#13
REVIEW
Shujie Song, Shasha Gong, Pragya Singh, Jianxin Lyu, Yidong Bai
Mitochondria play important roles in multiple aspects of viral tumorigenesis. Mitochondrial genomes contribute to the host's genetic background. After viruses enter the cell, they modulate mitochondrial function and thus alter bioenergetics and retrograde signaling pathways. At the same time, mitochondria also regulate and mediate viral oncogenesis. In this context, oncogenesis by oncoviruses like Hepatitis B virus (HBV), Hepatitis C virus (HCV), Human papilloma virus (HPV), Human Immunodeficiency virus (HIV) and Epstein-Barr virus (EBV) will be discussed...
February 2018: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/28859984/epstein-barr-virus-encoded-latent-membrane-protein-1-induces-epithelial-to-mesenchymal-transition-by-inducing-v-set-ig-domain-containing-4-vsig4-expression-via-nf-kb-in-renal-tubular-epithelial-hk-2-cells
#14
Seung-Mi Kim, Se Won Oh, Sang Hyun Park, Dae Young Hur, Seung-Woo Hong, Sang Youb Han
The epithelial to mesenchymal transition (EMT), a hallmark of chronic kidney disease, is a key event in the conversion from tubular epithelial cells to myofibroblasts in renal fibrosis. Epstein-Barr virus (EBV) is a γ-herpes oncovirus associated with chronic kidney disease. However, the relationship between EBV and the EMT process in renal tubular epithelial cells is not well understood. Among EBV-latent genes, EBV-encoded latent membrane protein 1 (LMP1) induces EMT by regulating a variety of molecules in EBV-induced oncogenic transformation...
October 21, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28836703/anoikis-resistance-and-oncoviruses
#15
Ehsan Kakavandi, Ramin Shahbahrami, Hossein Goudarzi, Gita Eslami, Ebrahim Faghihloo
Anoikis is known as a special type of programmed cell death which occurs in response to loss of correct cell-extracellular matrix (ECM) connections. This process could be as pivotal event in normal development and tissue homeostasis and found as important mechanism in cancer invasiveness and metastasis. The persistent infection with oncoviruses including EBV (Epstein Bar virus), HPV (Human Papillomaviruses), HBV (Hepatitis B virus), KSHV (Human herpesvirus 8), HTLV-1 (Human T-lymphotropic virus-1), and HCV (Hepatitis C virus) accounted as one of main risk factor for cancer progression...
March 2018: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/28828983/epigenetics-of-virus-induced-tumors-perspectives-for-therapeutic-targeting
#16
Svetlana Vinokurova
About 15-20% of human cancers worldwide have viral etiology. Seven human DNA and RNA viruses are accepted to be oncogenic viruses or oncoviruses and contribute to the development of various cancer types. Human oncoviruses have developed multiple molecular mechanisms to interfere with specific cellular pathways to promote viral replication and viral life cycle maintenance in the host. Despite the diversity of oncogenic viruses, they use similar strategies for cancer development. Viral oncoproteins and viral non-coding RNAs are the key factors that can affect multiple cellular processes on both genetic and epigenetic levels...
2017: Current Pharmaceutical Design
https://www.readbyqxmd.com/read/28790362/double-stranded-rna-induces-chicken-t-cell-lymphoma-apoptosis-by-trif-and-nf-%C3%AE%C2%BAb
#17
Haitao Zou, Ruixue Su, Jing Ruan, Hongxia Shao, Kun Qian, Jianqiang Ye, Yongxiu Yao, Venugopal Nair, Aijian Qin
Toll-like receptor-3 (TLR3), a member of the pathogen recognition receptor family, has been reported to activate immune response and to exhibit pro-apoptotic activity against some tumor cells. However it is unclear whether TLR3 has same function against chicken lymphoma. In this paper we investigated the effect of TLR3 activation on a Marek's disease lymphoma-derived chicken cell line, MDCC-MSB1. The TLR3 agonist poly (I:C) activated TLR3 pathway and inhibited tumor cells proliferation through caspase-dependent apoptosis...
August 8, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28602713/interplay-between-viruses-and-bacterial-microbiota-in-cancer-development
#18
REVIEW
Dariia Vyshenska, Khiem C Lam, Natalia Shulzhenko, Andrey Morgun
During the last few decades we have become accustomed to the idea that viruses can cause tumors. It is much less considered and discussed, however, that most people infected with oncoviruses will never develop cancer. Therefore, the genetic and environmental factors that tip the scales from clearance of viral infection to development of cancer are currently an area of active investigation. Microbiota has recently emerged as a potentially critical factor that would affect this balance by increasing or decreasing the ability of viral infection to promote carcinogenesis...
August 2017: Seminars in Immunology
https://www.readbyqxmd.com/read/28562165/her-2-epstein-barr-virus-crosstalk-in-human-gastric-carcinogenesis-a-novel-concept-of-oncogene-oncovirus-interaction
#19
Farhan S Cyprian, Noor Al-Antary, Ala-Eddin Al Moustafa
Gastric cancer is the fourth most common cancer and the second leading cause of cancer deaths worldwide. Additionally, it is well-known that metastatic cancer disease is a major cause of morbidity and mortality in cancer patients. Several investigations reported that HER-2 (ErbB-2 receptor) and Epstein-Barr virus (EBV) are important etiological factors in human gastric cancer, where either oncogene/oncovirus alone can derive a major event of cancer progression and metastasis via epithelial-mesenchymal transition (EMT)...
January 2, 2018: Cell Adhesion & Migration
https://www.readbyqxmd.com/read/28410134/pathogen-associated-regulatory-non-coding-rnas-and-oncogenesis
#20
REVIEW
Noriyuki Yoshida, Tominori Kimura
Among all new cancer cases in 2012, on average, 15.4% were caused by Helicobacter pylori or oncoviruses, including Epstein-Barr virus, human papillomavirus, hepatitis B virus , hepatitis C viruses , Kaposi sarcoma-associated herpesvirus and human T-lymphotropic virus. These pathogens encode a variety of non-coding RNAs, which are important cofactors for oncogenesis. In this review, we focus on recent developments in the study of long and small non-protein-coding RNAs, including microRNAs, of oncogenic pathogens, and discuss their mechanisms of action in the multiple steps of oncogenesis...
June 1, 2017: Frontiers in Bioscience (Landmark Edition)
keyword
keyword
60463
1
2
Fetch more papers »
Fetching more papers... Fetching...
Read by QxMD. Sign in or create an account to discover new knowledge that matter to you.
Remove bar
Read by QxMD icon Read
×

Search Tips

Use Boolean operators: AND/OR

diabetic AND foot
diabetes OR diabetic

Exclude a word using the 'minus' sign

Virchow -triad

Use Parentheses

water AND (cup OR glass)

Add an asterisk (*) at end of a word to include word stems

Neuro* will search for Neurology, Neuroscientist, Neurological, and so on

Use quotes to search for an exact phrase

"primary prevention of cancer"
(heart or cardiac or cardio*) AND arrest -"American Heart Association"