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The Quantiferon-TB Gold test (QFT-G) is a whole-blood test for use as an aid in diagnosing Mycobacterium tuberculosis infection, including latent tuberculosis infection (LTBI) and tuberculosis (TB) disease. [15] This test was approved by the U.S. Food and Drug Administration (FDA) in 2005.
In a recently published metaanalysis, [26] with data from both developed and developing countries, QuantiFERON-TB Gold In Tube had a pooled sensitivity for active TB of 81% and specificity of 99.2%, whereas T-SPOT.TB had a pooled sensitivity of 87.5% and specificity of 86.3%. In head-to-head comparisons, the sensitivity of IGRAs surpassed TST.
Interferon-γ release assays (IGRA) are medical tests used in the diagnosis of some infectious diseases, especially tuberculosis. Interferon-γ (IFN-γ) release assays rely on the fact that T-lymphocytes will release IFN-γ when exposed to specific antigens.
There are currently two commercially available interferon-γ release assays (IGRAs): QuantiFERON-TB Gold and T-SPOT.TB. [25] These tests are not affected by prior BCG vaccination, and look for the body's response to specific TB antigens not present in other forms of mycobacteria and BCG . Whilst these tests are new they are now becoming ...
Turmeric. Curcumin, the active ingredient in turmeric, is a potent antioxidant and anti-inflammatory compound that research is showing could benefit people with Alzheimer’s, says Kimberlain ...
Gold is a wise primary choice if you're looking to grow and preserve your wealth. But "silver can be a smart addition if you want to complement that security with the potential for industrial ...
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"For gold held in taxable accounts, the concept of tax loss harvesting in the overall portfolio could apply," says Rob Burnette, CEO of Outlook Financial Center. "Using losses to offset gains is a ...