نتایج جستجو برای: seropositive sp
تعداد نتایج: 128113 فیلتر نتایج به سال:
Borrelia miyamotoi sensu lato, a relapsing fever Borrelia sp., is transmitted by the same ticks that transmit B. burgdorferi (the Lyme disease pathogen) and occurs in all Lyme disease-endemic areas of the United States. To determine the seroprevalence of IgG against B. miyamotoi sensu lato in the northeastern United States and assess whether serum from B. miyamotoi sensu lato-infected persons i...
Rheumatoid Arthritis (RA) is a systemic autoimmune disease. Production of Rheumatoid Factor(RF) is a characteristic feature of the majority RA patients. Previous studies showed there are differences between seropositive-RA(SP-RA) and seronegative-RA(SN-RA), regarding clinical manifestations. In this study the level of CRP was measured in serum and synovial fluid of 45 RA patients by latex a...
Enzyme-linked immunosorbent assays (ELISA) of milk and serum samples are a routinely used method of screening herds for Mycobacterium avium subspecies paratuberculosis (MAP). Infection with MAP causes granulomatous enteritis of ruminants known as Johne's disease (JD). The sensitivity (Se) and specificity (Sp) of MAP ELISAs leads to difficulties in the identification of both infected and infecti...
We have compared the levels of immunoglobulins G (IgG) and G4 (IgG4) in extreme seropositive patients from the GRIV cohort consisting of 168 patients with slow progression (SP) and 60 with rapid progression (RP) as well as in 173 healthy controls. IgG levels were significantly higher in SP patients than in RP patients (P = 0.008), both higher than in seronegative individuals. IgG4 levels were s...
The potential role of gender in the occurrence of HIV-related neurocognitive impairment (NCI) and associations with markers of HIV-related immune activity has not been previously examined. In this study 149 antiretroviral-naïve seropositive subjects in Nigeria (SP, 92 women and 57 men) and 58 seronegative (SN, 38 women and 20 men) were administered neuropsychological testing that assessed 7 abi...
Babesiosis, anaplasmosis, and trypanosomosis are relevant diseases, potentially causing morbidity in cattle, leading to economic losses. Borreliosis is import as a potential zoonosis. The objective of this study was to determine, by indirect enzyme-linked immunosorbent assay (ELISA), the frequency of seropositive cattle to Babesia bigemina, B. bovis, Anaplasma marginale, Trypanosoma vivax and B...
OBJECTIVE Invasive pneumococcal disease (IPD) primarily affects children less than 5 years old, the elderly and certain at-risk groups; especially people infected by the human immunodeficiency virus (HIV). The objective of this study was to analyze invasive pneumococcal diseases (IPD) in children and adolescents infected by the human immunodeficiency virus (HIV), with relation to morbidity, the...
background and objectives: trans-placental transmission of parvovirus b19 during pregnancy can causes adverse outcomes. regarding its importance in prenatal care, we decided to study prevalence of parvovirus b19 infection among pregnant woman in ardabil, iran. materials and methods: in a community based study with a cluster sampling, 350 pregnant women that attended in health care centers in ar...
Myasthenia gravis (MG) is an autoimmune disease mainly caused by antiacetylcholine receptor autoantibodies (seropositive (SP) disease) or by Abs against unknown autoantigenic target(s) (seronegative (SN) disease). Thymectomy is usually beneficial although thymic hyperplasia with ectopic germinal centers is mainly observed in SP MG. To understand the role of thymus in the disease process, we com...
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