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Anti-streptolysin O (ASO or ASLO) is the antibody made against streptolysin O, an immunogenic, oxygen-labile streptococcal hemolytic exotoxin produced by most strains of group A and many strains of groups C and G Streptococcus bacteria.
Post-streptococcus glomerulonephritis is more often associated with group A strep skin infection than it is with strep pharyngitis, so in a patient with suspected post-strep glomerulonephritis with a negative ASO titer, one can then obtain anti-DNase-B titers which are more sensitive for group A strep and for its various strains.
The human disease sickle cell anemia is caused by a genetic mutation in the codon for the sixth amino acid of the blood protein beta-hemoglobin.The normal DNA sequence G-A-G codes for the amino acid glutamate, while the mutation changes the middle adenine to a thymine, leading to the sequence G-T-G (G-U-G in the mRNA).
If positive, the antibody is identified and given a titer. Critical titers are associated with significant risk of fetal anemia and hydrops. [14] Titers of 1:8 or higher is considered critical for Kell. Titers of 1:16 or higher are considered critical for all other antibodies. After critical titer is reached, care is based on MCA scans.
This may include a full blood count (FBC), erythrocyte sedimentation rate (ESR), antistreptolysin-O (ASO) titer and throat culture, urinalysis, intradermal tuberculin test, and a chest x-ray. [22] The ESR is typically high, the C-reactive protein elevated, and the blood showing an increase in white blood cells.
Antisense therapy is a form of treatment that uses antisense oligonucleotides (ASOs) to target messenger RNA (mRNA). ASOs are capable of altering mRNA expression through a variety of mechanisms, including ribonuclease H mediated decay of the pre-mRNA, direct steric blockage, and exon content modulation through splicing site binding on pre-mRNA. [1]
If positive, the antibody is identified and given a titer. Critical titers are associated with significant risk of fetal anemia and hydrops. [1] Titers of 1:8 or higher is considered critical for Kell. Titers of 1:16 or higher are considered critical for all other antibodies. After critical titer is reached, care is based on MCA scans.
Penicillin (high dose) Quinidine (IgM mediated activation of classical complement pathway and Membrane attack complex, MAC) (A memory device to remember that the DAT tests the RBCs and is used to test infants for haemolytic disease of the newborn is: Rh Disease; R = RBCs, D = DAT.)