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Effects of Orally Ingested Arsenic on Respiratory Epithelial Permeability to Bacteria and Small Molecules in Mice
Conclusions: Peroral arsenic has little effect on local airway immune responses to bacteria but compromises respiratory epithelial barrier integrity, increasing systemic translocation of inhaled pathogens and small molecules. https://doi.org/10.1289/EHP1878 Received: 09 March 2017 Revised: 14 August 2017 Accepted: 16 August 2017 Published: 28 September 2017 Address correspondence to M.B. Fessler, National Institute of Environmental Health Sciences, 111 T.W. Alexander Dr., P.O. Box 12233, Maildrop D2-01, Research Triangle Park, NC 27709 USA. Telephone: (919) 541-3701. Email: fesslerm@niehs.nih.gov *Current address: UN...
Source: EHP Research - September 28, 2017 Category: Environmental Health Authors: Daniil Lyalko Tags: Research Source Type: research

Can't raise one eye brow: does it ring any norwegian bells?
A 60 year old Nigerian man with diabetes who has lived in Europe for 30 years but regularly revisits Nigeria, presented with 6 months of numbness and weakness in all four limbs and recent right facial weakness. Examination revealed partial right facial and left ulnar nerve palsies with areflexia but no skin lesions. Neurophysiology showed multifocal mixed sensory-motor neuropathy with demyelinating features and prominent facial nerve involvement. He was found to be HIV positive. Subsequent examination revealed peripheral nerve thickening confirmed on limb MRI. Nerve biopsy showed chronic endoneuritis and perineuritis, but ...
Source: Journal of Neurology, Neurosurgery and Psychiatry - November 14, 2016 Category: Neurosurgery Authors: Galtrey, C., Schon, F., Modarres, H., Rossor, A., Lockwood, D., Reilly, M., Manji, H. Tags: Immunology (including allergy), HIV/AIDS, Tropical medicine (infectious diseases), Neuropathology, Radiology, Surgical diagnostic tests ABN Annual Meeting, 17-19 May 2016, The Brighton Centre, Brighton Source Type: research

Rifamycin induced leukocytoclastic vasculitis. A rare side-effect of anti-tuberculous chemotherapy
We describe a case of leucocytoclastic vasculitis (LCV) caused by rifamycins.A 53 year old female presented with cough, night sweats and upper lobe nodules. Bronchial-alveolar lavage confirmed fully sensitive mycobacterium tuberculosis (TB).She commenced treatment with rifampicin, isoniazid, ethambutol and pyrizinazmide. At 4 weeks she developed an extensive purpuric rash, malaise and joint aches. There was no evidence of other infections or connective tissue disorders on extensive screening. Her inflammatory markers were elevated. A punch biopsy of her shin demonstrated leukocytoclastic vasculitis of the superficial dermi...
Source: European Respiratory Journal - November 7, 2016 Category: Respiratory Medicine Authors: Ewence, A., Dodd, J., Tewari, A., Akhras, V., Aul, R. Tags: 10.2 Tuberculosis Source Type: research