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Adults 65 and older with gout have a 44 percent higher risk of developing hearing loss independent of demographic, comorbidities, and use of common medications, according to a new study (BMJ Open. 2018 Aug 20;8(8):e022854). Researchers from the University of Alabama at Birmingham School of Medicine examined 5% Medicare claims from 2006 to 2012 and identified cases of incident hearing impairment among patients with existing gout. Of the 1.71 million people included, 89,409 developed incident hearing impairment. Compared with the people without, people with hearing impairment were older, less likely to be black, and had higher medical comorbidity. The crude incidence rates of incident hearing impairment in people with and without gout were 16.9 v. 8.7 per 1,000 person-years. The association between gout and hearing loss has long been suspected because they share similar pathological processes, but the authors said this is the first study to investigate this relationship. The authors also said that the hypothesis that hyperuricaemia-related inflammation and oxidative stress pathways potentially link gout to the risk of hearing loss in older adults should be tested in future studies, which should reveal which factors contribute to this increased risk and to what extent.
Adults 65 and older with gout have a 44 percent higher risk of developing hearing loss independent of demographic, comorbidities, and use of common medications, according to a new study (BMJ Open. 2018 Aug 20;8(8):e022854). Researchers from the University of Alabama at Birmingham School of Medicine examined 5% Medicare claims from 2006 to 2012 and identified cases of incident hearing impairment among patients with existing gout. Of the 1.71 million people included, 89,409 developed incident hearing impairment. Compared with the people without, people with hearing impairment were older, less likely to be black, and had higher medical comorbidity. The crude incidence rates of incident hearing impairment in people with and without gout were 16.9 v. 8.7 per 1,000 person-years. The association between gout and hearing loss has long been suspected because they share similar pathological processes, but the authors said this is the first study to investigate this relationship. The authors also said that the hypothesis that hyperuricaemia-related inflammation and oxidative stress pathways potentially link gout to the risk of hearing loss in older adults should be tested in future studies, which should reveal which factors contribute to this increased risk and to what extent.
The peroxisome: an update on mysteries 2.0.
Histochem Cell Biol. 2018 Sep 15;:
Authors: Islinger M, Voelkl A, Fahimi HD, Schrader M
Abstract
Peroxisomes are key metabolic organelles, which contribute to cellular lipid metabolism, e.g. the β-oxidation of fatty acids and the synthesis of myelin sheath lipids, as well as cellular redox balance. Peroxisomal dysfunction has been linked to severe metabolic disorders in man, but peroxisomes are now also recognized as protective organelles with a wider significance in human health and potential impact on a large number of globally important human diseases such as neurodegeneration, obesity, cancer, and age-related disorders. Therefore, the interest in peroxisomes and their physiological functions has significantly increased in recent years. In this review, we intend to highlight recent discoveries, advancements and trends in peroxisome research, and present an update as well as a continuation of two former review articles addressing the unsolved mysteries of this astonishing organelle. We summarize novel findings on the biological functions of peroxisomes, their biogenesis, formation, membrane dynamics and division, as well as on peroxisome-organelle contacts and cooperation. Furthermore, novel peroxisomal proteins and machineries at the peroxisomal membrane are discussed. Finally, we address recent findings on the role of peroxisomes in the brain, in neurological disorders, and in the development of cancer.
PMID: 30219925 [PubMed - as supplied by publisher]
The peroxisome: an update on mysteries 2.0.
Histochem Cell Biol. 2018 Sep 15;:
Authors: Islinger M, Voelkl A, Fahimi HD, Schrader M
Abstract
Peroxisomes are key metabolic organelles, which contribute to cellular lipid metabolism, e.g. the β-oxidation of fatty acids and the synthesis of myelin sheath lipids, as well as cellular redox balance. Peroxisomal dysfunction has been linked to severe metabolic disorders in man, but peroxisomes are now also recognized as protective organelles with a wider significance in human health and potential impact on a large number of globally important human diseases such as neurodegeneration, obesity, cancer, and age-related disorders. Therefore, the interest in peroxisomes and their physiological functions has significantly increased in recent years. In this review, we intend to highlight recent discoveries, advancements and trends in peroxisome research, and present an update as well as a continuation of two former review articles addressing the unsolved mysteries of this astonishing organelle. We summarize novel findings on the biological functions of peroxisomes, their biogenesis, formation, membrane dynamics and division, as well as on peroxisome-organelle contacts and cooperation. Furthermore, novel peroxisomal proteins and machineries at the peroxisomal membrane are discussed. Finally, we address recent findings on the role of peroxisomes in the brain, in neurological disorders, and in the development of cancer.
PMID: 30219925 [PubMed - as supplied by publisher]