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IgA protease (EC 3.4.21.72, IgA-specific serine endopeptidase, IgA proteinase, IgA-specific proteinase, immunoglobulin A protease, immunoglobulin A proteinase) is an enzyme. [ 1 ] [ 2 ] This enzyme catalyses the following chemical reaction [reaction equation needed]
Neisseria species including Neisseria gonorrhoeae (which causes gonorrhea), [22] Streptococcus pneumoniae, [23] and Haemophilus influenzae type B [24] all release a protease that destroys IgA. Additionally, Blastocystis species have been shown to have several subtypes that generate cysteine and aspartic protease enzymes which degrade human IgA ...
A meta-analysis with 1,595 inpatients and outpatients showed 70% sensitivity and 90% specificity for TB diagnosis in people living with HIV for Fujifilm SILVAMP TB LAM. [40] As of 2020, the test showed a high positive predictive value (95.2%) in HIV-negative outpatients. [41] Large prospective studies are on the way. [42]
IgA-specific metalloendopeptidase (EC 3.4.24.13, immunoglobulin A1 proteinase, IgA protease, IgA1-specific proteinase, IgA1 protease, IgA1 proteinase) is an enzyme. [1] [2] [3] This enzyme catalyses the following chemical reaction: Cleavage of Pro-Thr bond in the hinge region of the heavy chain of human immunoglobulin A
IgA protease may refer to: IgA specific serine endopeptidase, an enzyme; IgA-specific metalloendopeptidase, an enzyme This page was last edited on 4 February 2015 ...
The equivalent Mantoux test positive levels done with 10 TU (0.1 mL 100 TU/mL, 1:1000) are 0–4 mm induration (Heaf 0-1) 5–14 mm induration (Heaf 2) >15 mm induration (Heaf 3-4) The Mantoux test is preferred in the United States for the diagnosis of tuberculosis; multiple puncture tests, such as the Heaf test and Tine test, are not recommended.
Diagnosis of latent TB relies on the tuberculin skin test (TST) or blood tests. [10] Prevention of TB involves screening those at high risk, early detection and treatment of cases, and vaccination with the bacillus Calmette-Guérin (BCG) vaccine. [3] [4] [5] Those at high risk include household, workplace, and social contacts of people with ...
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.