Cytomegalovirus in post transplant patients: Difference between revisions

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[[Image:Cmv virus.jpg|thumb|300px|right|Figure 1. Electron micrograph of the CMV virus. [http://detadoctor.com/deta-ap/cytomegalovirus/].]]
[[Image:Cmv virus.jpg|thumb|300px|right|Figure 1. Electron micrograph of the CMV virus. [http://detadoctor.com/deta-ap/cytomegalovirus/].]]


<br>Introduce the topic of your paper.  What microorganisms are of interest?  Habitat?  Applications for medicine and/or environment? <br>
The cytomegalovirus (CMV) is a double stranded DNA virus part of the Herpesviridae viral family also known as herpesviruses. Herpesviruses share common characteristics including the ability to remain metabolically inert within the human body for extended periods of time. The human cytomegalovirus (HCMV) also known as Human herpesvirus 5 (HHV-5) is a species that causes infections typically associated with the salivary gland. HCMV is a common virus where about 50%-80% of the general adult population is infected (Slonczewski, 2013). However, most people who are infected are unaware since the virus is typically dormant in healthy individuals. The high prevalence of the virus among the general population is due to the many avenues of viral transmission. It is easily transmitted by person-to-person contact by saliva, urine, semen, blood, and cervical secretions during birth. Those with compromised immune systems manifest symptoms similar to mononucleosis (Epstein-Barr virus), and are affected in just about every organ in the body. Immunocompromised individuals such as organ transplant recipients and AIDS patients are especially at risk for more severe primary infections including latent infection, asymptomatic viral shedding (when the virus is active but doesn’t show visible signs or symptoms), and life-threatening multisystem disease (Farrugia, 1992). In such patients, HCMV not only causes problems in the acute phase but also increases the risk of long-term complications (Soderberg-Naucler, 2008).
 
<br>The cytomegalovirus (CMV) is part of the Herpesviridae viral family also known as herpesviruses. Herpesviruses share common characteristics including the ability to remain metabolically inert within the human body for extended periods of time. The human cytomegalovirus (HCMV) also known as Human herpesvirus 5 (HHV-5) is a species that causes infections typically associated with the salivary gland. CMV is a common virus where about 50%-100% of the general adult population is infected. However, most people who are infected are unaware since the virus is typically dormant in healthy individuals. Those with compromised immune systems undergo symptoms similar to mononucleosis, a viral infection caused by the Epstein-Barr virus (another herpes virus). Immunocompromised individuals such as organ transplant recipients and AIDS patients… <br>
 
[[Image:Viron.gif‎|thumb|300px|right|Figure 2. The CMV virion has a similar composition to all human herpes viruses (HHV). [http://detadoctor.com/deta-ap/cytomegalovirus/].]]
 
[[Image:Cancer.jpg|thumb|300px|right|Figure 3. HCMV infection induces tumor progression in human cells by decreasing the sensitivity of neuroblastoma cells to apoptotic stimuli and through the induction of angiogenesis. This results in the mass growth of tumor cells along with lowered sensitivity to chemotherapeutic agents.  [http://www.sciencedirect.com/science/article/pii/S1471491403002478.]]
 
[[Image:CMVdrugs.png‎|thumb|300px|right|Figure 4. Approved antiviral therapies for CMV infection. [http://www.idpublications.com/journals/PDFs/AVRES/AVRES_MostCited_1.pdf].]]
 
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<br><b>Legend/credit:</b> Picture of the CMV virus. [http://detadoctor.com/deta-ap/cytomegalovirus/].
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==HCMV role in cancer==
==HCMV role in cancer==

Revision as of 00:48, 23 April 2015

Introduction

Figure 1. Electron micrograph of the CMV virus. [1].

The cytomegalovirus (CMV) is a double stranded DNA virus part of the Herpesviridae viral family also known as herpesviruses. Herpesviruses share common characteristics including the ability to remain metabolically inert within the human body for extended periods of time. The human cytomegalovirus (HCMV) also known as Human herpesvirus 5 (HHV-5) is a species that causes infections typically associated with the salivary gland. HCMV is a common virus where about 50%-80% of the general adult population is infected (Slonczewski, 2013). However, most people who are infected are unaware since the virus is typically dormant in healthy individuals. The high prevalence of the virus among the general population is due to the many avenues of viral transmission. It is easily transmitted by person-to-person contact by saliva, urine, semen, blood, and cervical secretions during birth. Those with compromised immune systems manifest symptoms similar to mononucleosis (Epstein-Barr virus), and are affected in just about every organ in the body. Immunocompromised individuals such as organ transplant recipients and AIDS patients are especially at risk for more severe primary infections including latent infection, asymptomatic viral shedding (when the virus is active but doesn’t show visible signs or symptoms), and life-threatening multisystem disease (Farrugia, 1992). In such patients, HCMV not only causes problems in the acute phase but also increases the risk of long-term complications (Soderberg-Naucler, 2008).

HCMV role in cancer

Include some current research, with at least one figure showing data.

Section 2

Include some current research, with at least one figure showing data.

Section 3

Include some current research, with at least one figure showing data.

References

[1] Hodgkin, J. and Partridge, F.A. "Caenorhabditis elegans meets microsporidia: the nematode killers from Paris." 2008. PLoS Biology 6:2634-2637.

Authored for BIOL 238 Microbiology, taught by Joan Slonczewski, 2015, Kenyon College.