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Articles by S. Patel
Total Records ( 2 ) for S. Patel
  A Sahib El Radhi and S. Patel
 

Little attention has been given to the relationship between fever and the severity of asthma. The authors studied 202 successive admissions of children with asthma over a period of 16 months to investigate the relationship between fever and the clinical course of asthma. There were 38 febrile children (18.8%), who were mostly younger than 5 years. Febrile children had a shorter mean hospital stay than afebrile children (1.7 vs 2.0 days). There were 25 episodes of acute severe asthma (13%): 2 among the 38 febrile children (5.2%), compared with 23 episodes among the remaining 164 afebrile children (14%). Three children, who had very severe asthma requiring transfer to an intensive care unit, were afebrile. Radiological abnormalities (collapse/consolidation) occurred in 13 cases: 3 from the febrile and 10 from the afebrile group. Monitoring body temperature is important in cases of asthma. Febrile children tend to be younger and are more likely to have a less severe clinical course of asthma.

  E Brailoiu , D Churamani , X Cai , M. G Schrlau , G. C Brailoiu , X Gao , R Hooper , M. J Boulware , N. J Dun , J. S Marchant and S. Patel
 

Nicotinic acid adenine dinucleotide phosphate (NAADP) is a widespread and potent calcium-mobilizing messenger that is highly unusual in activating calcium channels located on acidic stores. However, the molecular identity of the target protein is unclear. In this study, we show that the previously uncharacterized human two-pore channels (TPC1 and TPC2) are endolysosomal proteins, that NAADP-mediated calcium signals are enhanced by overexpression of TPC1 and attenuated after knockdown of TPC1, and that mutation of a single highly conserved residue within a putative pore region abrogated calcium release by NAADP. Thus, TPC1 is critical for NAADP action and is likely the long sought after target channel for NAADP.

 
 
 
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