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Hepatitis C virus (HCV) infects approximately 170 million people worldwide and is the leading indication of liver transplantation in the United States. HCV is primarily a blood-borne infection, and heterosexual transmission is rare. However, acute HCV infection is increasingly being reported among HIV-positive men who have sex with men (MSM) with no risk factors for parenteral HCV transmission, suggestive of a possible mucosal route of infection in these individuals. While it is possible that HCV may be transmitted into the bloodstream via mucosal tears induced by sexual activity, is also possible that a mucosal immune defect predisposes HIV+ persons to mucosal HCV transmission. Our pilot study aims to study gut B cells in HCV+HIV+, HCV+HIV-, HCV-HIV+, and HCV-HIV- volunteers. Volunteers will undergo a screening blood draw and flexible sigmoidoscopy with biopsy. We will isolate peripheral and mucosal mononuclear cells and we will perform HCV-specific ELISPOT and single B cell immunoglobulin (Ig) RT-PCR to assess volunteers' gut B cell repertoire. If successful, we would like to expand the study so as to better assess Ig repertoire differences among HCV+HIV+ and HCV+HIV- individuals.
Observational Model: Cohort, Time Perspective: Prospective
Published on BioPortfolio: 2014-08-27T03:17:00-0400
The primary objective is to assess the safety of telithromycin (HMR 3647) (20% fine granules) 1g filling sachet in children with infections (Respiratory tract infections, Dermatological in...
The purpose of this study is to determine the effect of an approved medication for adults for an investigational use in pediatric patients 3 months to 17 years for the treatment of complic...
The Danish Study Group of Infections of the Brain is a collaboration between all departments of infectious diseases in Denmark. The investigators aim to monitor epidemiological trends in c...
Adults admitted to intensive care units are at risk for a variety of complications. One of the most frequent complications is the development of new infections. Infections due to a fungus...
The purpose of this multicentre prospective trial is to determine the incidence and risk factors for surgical wound infections. Also the investigators will evaluate consequences of wound i...
This purpose of this study was to investigate the effects of blood stream infections (BSIs) on the prognosis of patients with complicated intra-abdominal infections (IAIs) and to make predictions base...
Identification of new HIV infections (HIV incidence) is critical for monitoring AIDS epidemic and assessing the effectiveness of intervention measures. However, current methods for distinguishing new ...
Implant-related infections in hand surgery are dreaded complications, potentially leading to loss of finger joint function or amputation. Knowledge about the clinical presentation and treatment concep...
Asymptomatic Plasmodium falciparum infections are common in Malawi, however, the implications of these infections for the burden of malaria illness are unknown. Whether asymptomatic infections eventua...
The objective of this study was to describe the frequency of invasive bacterial infections (IBIs) in young infants with skin and soft tissue infections (SSTIs) and the impact of IBI evaluation on disp...
Inflammation of brain parenchymal tissue as a result of viral infection. Encephalitis may occur as primary or secondary manifestation of TOGAVIRIDAE INFECTIONS; HERPESVIRIDAE INFECTIONS; ADENOVIRIDAE INFECTIONS; FLAVIVIRIDAE INFECTIONS; BUNYAVIRIDAE INFECTIONS; PICORNAVIRIDAE INFECTIONS; PARAMYXOVIRIDAE INFECTIONS; ORTHOMYXOVIRIDAE INFECTIONS; RETROVIRIDAE INFECTIONS; and ARENAVIRIDAE INFECTIONS.
Viral infections of the leptomeninges and subarachnoid space. TOGAVIRIDAE INFECTIONS; FLAVIVIRIDAE INFECTIONS; RUBELLA; BUNYAVIRIDAE INFECTIONS; ORBIVIRUS infections; PICORNAVIRIDAE INFECTIONS; ORTHOMYXOVIRIDAE INFECTIONS; RHABDOVIRIDAE INFECTIONS; ARENAVIRIDAE INFECTIONS; HERPESVIRIDAE INFECTIONS; ADENOVIRIDAE INFECTIONS; JC VIRUS infections; and RETROVIRIDAE INFECTIONS may cause this form of meningitis. Clinical manifestations include fever, headache, neck pain, vomiting, PHOTOPHOBIA, and signs of meningeal irritation. (From Joynt, Clinical Neurology, 1996, Ch26, pp1-3)
Infections with viruses of the family PARAMYXOVIRIDAE. This includes MORBILLIVIRUS INFECTIONS; RESPIROVIRUS INFECTIONS; PNEUMOVIRUS INFECTIONS; HENIPAVIRUS INFECTIONS; AVULAVIRUS INFECTIONS; and RUBULAVIRUS INFECTIONS.
Pathogenic infections of the brain, spinal cord, and meninges. DNA VIRUS INFECTIONS; RNA VIRUS INFECTIONS; BACTERIAL INFECTIONS; MYCOPLASMA INFECTIONS; SPIROCHAETALES INFECTIONS; fungal infections; PROTOZOAN INFECTIONS; HELMINTHIASIS; and PRION DISEASES may involve the central nervous system as a primary or secondary process.
Infections with viruses of the order MONONEGAVIRALES. The concept includes FILOVIRIDAE INFECTIONS; PARAMYXOVIRIDAE INFECTIONS; and RHABDOVIRIDAE INFECTIONS.
Human Immuno Deficiency Virus (HIV)
Human Immunodeficiency Virus (HIV), the causative agent of AIDS. The Human Immunodeficiency Virus, more commonly known as HIV, is a member of the lentivirus sub-set of the retrovirus family of pathogens. It causes AIDS, or Acquired Immuno Deficiency Sy...