The syndrome is due to a deficiency of the enzyme, hypoxanthine-guanine phosphoribosyltransferase, or HPRT.
Dr. Croce's work has linked various cancers to a deficiency or overabundance of certain microRNAs.
In vitro insemination indicated that this infertility is due to a deficiency of oocytes to fuse with sperm.
Dannatt expressed his frustration that a replacement light armoured patrol vehicle has not been found, putting this down to a "deficiency in leadership and energy".
Dannatt repeatedly expresses his frustration that a replacement light armoured patrol vehicle has not been found, putting this down to a "deficiency in leadership and energy".
This circumstance is usually attributed to a deficiency in circulating estrogen levels although the underlying mechanism remains elusive.
Increases in dopamine concentrations may be related to a deficiency of neuronal dopamine receptors and transporters in persons affected by ADHD.
Pellagra is due to a deficiency of niacin and is manifested clinically by diarrhea, dermatitis, and dementia.
In 2011, Adapt-N recommendations in corn-soybean rotations were low due to a deficiency in how Adapt-N implemented soybean N crediting.
In the Middle Ages, melancholy and rage and other extremes of temperament (as well as mental illness in general) were ascribed to a deficiency or excess of one of four humors (Lauren Slater, Nov. 19).
A bluish pallor is often observed in patients with the disorder, which can be congenital or acquired by exposure to antibiotics or nitrites, and leads to a deficiency of oxygen in the bloodstream.
