SEN Virus infection in HIV/HCV coinfected patients

A Sagir1, O Adams, M Oette

  • 1Klinik für Gastroenterologie, Hepatologie und Infektiologie, Universitätsklinik Düsseldorf, Moorenstr. 5, 40225 Düsseldorf, Germany. sagir@med.uni-duesseldorf.de

Insights

Hepatitis C Virus (HCV) coinfection in HIV patients does not affect treatment outcomes. SEN Virus (SENV) replication is lower in HIV/HCV coinfected individuals, but SENV presence does not alter HCV therapy effectiveness.

Area of Science:

  • Virology
  • Infectious Diseases
  • Immunology

Background:

  • Chronic Hepatitis C Virus (HCV) infection is a significant coinfection in HIV-positive individuals.
  • The impact of SEN Virus (SENV) on HCV treatment outcomes in coinfected patients is not well understood.

Purpose of the Study:

  • To investigate the prevalence of SENV DNA in different patient groups.
  • To determine the influence of SENV on HCV treatment response in HIV/HCV coinfected patients receiving combination therapy.

Main Methods:

  • Polymerase chain reaction (PCR) was used to detect SENV DNA in 67 HIV/HCV coinfected patients, 77 HIV monoinfected patients, 95 HCV monoinfected patients, and 122 healthy donors.
  • Quantitative analysis of SENV H DNA levels was performed.

Main Results:

  • SENV DNA was detected in 12% of HIV/HCV coinfected patients, 11.7% of HIV monoinfected patients, 22% of HCV monoinfected patients, and 9.8% of healthy donors.
  • Mean SENV H DNA levels were significantly lower in HIV/HCV coinfected patients compared to other groups.
  • Sustained virological response rates to HCV therapy did not differ between SENV-positive and SENV-negative HIV/HCV coinfected patients (62.5% vs. 47.5%).

Conclusions:

  • Hepatitis C Virus (HCV) coinfection may suppress SEN Virus (SENV) replication in HIV-positive individuals, leading to lower SENV H DNA levels.
  • SEN Virus (SENV) infection does not appear to influence the outcome of combination therapy for Hepatitis C Virus (HCV) in coinfected patients.
Abstract

Related Concept Videos

Cytomegalovirus Disease01:27

Cytomegalovirus Disease

Cytomegalovirus (CMV) disease is caused by human cytomegalovirus, a double-stranded DNA virus of the Herpesviridae family. While primary CMV infection is often asymptomatic in immunocompetent individuals, the virus can cause severe disease in neonates and immunocompromised patients. CMV is the most common cause of congenital viral infection in the United States, and a major pathogen in solid organ and hematopoietic stem cell transplant recipients.CMV is transmitted via bodily fluids, sexual...
Viral Hepatitis I: Introduction01:28

Viral Hepatitis I: Introduction

Viral hepatitis is an inflammatory condition of the liver caused by infection with hepatotropic viruses, most commonly hepatitis A, B, C, D, and E. Despite variations in structure and transmission, all viruses mentioned infect hepatocytes and provoke immune responses that can hinder liver function. Additionally, some non-hepatotropic viruses can also lead to hepatic inflammation.Hepatitis A VirusHepatitis A virus (HAV) is transmitted through the fecal–oral route, typically by ingestion of food...
Hepatitis01:25

Hepatitis

Hepatitis is an inflammatory condition of the liver most commonly caused by hepatotropic viruses (A–E), though non-infectious causes such as alcohol and drugs also exist.Hepatitis AHepatitis A virus (HAV) is a non-enveloped RNA virus of the Picornaviridae family. It is primarily transmitted via the fecal-oral route, typically through ingestion of contaminated food or water. After ingestion, HAV enters the bloodstream through the oropharynx or intestinal epithelium and reaches the liver. The...
Retroviruses02:33

Retroviruses

Retroviruses and retrotransposons both insert copies of their genetic elements into the genome of the host cell. Thus, the viral genes are passed on when the host genome is replicated or translated. A typical retroviral DNA sequence contains 3-4 genes that encode the different proteins required for its structural assembly and function as a molecular parasite. This DNA is transcribed into a single mRNA, which is very similar in structure to conventional mRNAs, i.e., it is capped at the 5’...
Retrovirus Life Cycles01:10

Retrovirus Life Cycles

Retroviruses have a single-stranded RNA genome that undergoes a special form of replication. Once the retrovirus has entered the host cell, an enzyme called reverse transcriptase synthesizes double-stranded DNA from the retroviral RNA genome. This DNA copy of the genome is then integrated into the host’s genome inside the nucleus via an enzyme called integrase. Consequently, the retroviral genome is transcribed into RNA whenever the host’s genome is transcribed, allowing the retrovirus to...
Antiviral Nucleoside Inhibitors01:22

Antiviral Nucleoside Inhibitors

Antiviral Nucleoside InhibitorsAntiviral nucleoside inhibitors are structural analogs of natural nucleosides that interfere with viral DNA or RNA synthesis. These compounds selectively target viral polymerases due to their resemblance to host nucleosides, thereby disrupting viral genome replication.Mechanism of Acyclovir ActionAcyclovir is a guanosine analog with a three-carbon acyclic side chain. It selectively targets herpes simplex virus type 1 (HSV-1), herpes simplex virus type 2 (HSV-2),...