Identification of a mutation in porcine ryanodine receptor associated with malignant hyperthermia
…, S De Leon, VK Khanna, JE Weiler, PJ O'Brien… - Science, 1991 - science.org
Malignant hyperthermia (MH) causes neurological, liver, and kidney damage and death in
humans and major economic losses in the swine industry. A single point mutation in the …
humans and major economic losses in the swine industry. A single point mutation in the …
Potential toxicity of flavonoids and other dietary phenolics: significance for their chemopreventive and anticancer properties
G Galati, PJ O'brien - Free radical biology and medicine, 2004 - Elsevier
Flavonoids, including isoflavones, are natural components in our diet and, with the burgeoning
interest in alternative medicine, are increasingly being ingested by the general population…
interest in alternative medicine, are increasingly being ingested by the general population…
Fit-for-purpose method development and validation for successful biomarker measurement
…, JA Rogers, R Millham, PJ O'brien, J Sailstad… - Pharmaceutical …, 2006 - Springer
Despite major advances in modern drug discovery and development, the number of new
drug approvals has not kept pace with the increased cost of their development. Increasingly, …
drug approvals has not kept pace with the increased cost of their development. Increasingly, …
Aldehyde sources, metabolism, molecular toxicity mechanisms, and possible effects on human health
PJ O'Brien, AG Siraki, N Shangari - Critical reviews in toxicology, 2005 - Taylor & Francis
Aldehydes are organic compounds that are widespread in nature. They can be formed
endogenously by lipid peroxidation (LPO), carbohydrate or metabolism ascorbate autoxidation, …
endogenously by lipid peroxidation (LPO), carbohydrate or metabolism ascorbate autoxidation, …
Prooxidant activity and cellular effects of the phenoxyl radicals of dietary flavonoids and other polyphenolics
G Galati, O Sabzevari, JX Wilson, PJ O'Brien - Toxicology, 2002 - Elsevier
Dietary polyphenolics in fruits, vegetables, wines, spices and herbal medicines have beneficial
antioxidant, anti-inflammatory and anticancer effects. However, we have observed that …
antioxidant, anti-inflammatory and anticancer effects. However, we have observed that …
Carcinogenic metal induced sites of reactive oxygen species formation in hepatocytes
J Pourahmad, JOB Peter, F Jokar, B Daraei - Toxicology in vitro, 2003 - Elsevier
… Author links open overlay panel Jalal Pourahmad a , Peter J O‘Brien b , Farzaneh Jokar a ,
… ROS formation and cytotoxicity induced by added H 2 O 2 or generated by the intracellular …
… ROS formation and cytotoxicity induced by added H 2 O 2 or generated by the intracellular …
Flavonoid B-ring chemistry and antioxidant activity: fast reaction kinetics
AS Pannala, TS Chan, PJ O'Brien… - … and biophysical research …, 2001 - Elsevier
Rapid scavenging of the model stable radical cation, ABTS •+ , has been applied to screen
for the antioxidant activity of flavonoids. The reaction follows two distinct phases. For …
for the antioxidant activity of flavonoids. The reaction follows two distinct phases. For …
Mitochondrial function and toxicity: role of the B vitamin family on mitochondrial energy metabolism
…, WR Bruce, N Shangari, R Mehta, PJ O'Brien - Chemico-biological …, 2006 - Elsevier
The B vitamins are water-soluble vitamins required as coenzymes for enzymes essential for
cell function. This review focuses on their essential role in maintaining mitochondrial …
cell function. This review focuses on their essential role in maintaining mitochondrial …
An intracellular GSH-peroxidase with a lipid peroxide substrate
C Little, PJ O'Brien - Biochemical and biophysical research communications, 1968 - Elsevier
Studies have been made on the kinetics, products and properties of liver supernatant-catalyzed
GSH oxidation by linoleic acid hydroperoxide (LAHPO). It was found that an enzymic …
GSH oxidation by linoleic acid hydroperoxide (LAHPO). It was found that an enzymic …
Cellular and in vivo hepatotoxicity caused by green tea phenolic acids and catechins
G Galati, A Lin, AM Sultan, PJ O'Brien - Free Radical Biology and Medicine, 2006 - Elsevier
Tea phenolic acids and catechins containing gallic acid moieties are most abundant in
green tea, and various medical benefits have been proposed from their consumption. In the …
green tea, and various medical benefits have been proposed from their consumption. In the …