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High intra-tumoural PpIX concentrations with strong fluorescence intensity and complete photobleaching after iPDT seem to be associated with favourable outcome. Real-time monitoring of PpIX fluorescence intensity and photobleaching turned out to be feasible and safe and might be employed for early treatment prognosis of iPDT. Lasers Surg. Med. 9999:XX�CXX, 2013. ? 2013 Wiley Periodicals, Inc. ""5025"	"The objective of this study is to compare body mass index (BMI), percent body fat (PBF), and fat mass index (FMI) and to investigate the accuracy of FMI as a convenient tool for assessing obesity. Anthropometric measurements and bioelectrical impedance analyses were performed on 538 Mexican Americans (373 women and 165 men). Correlations between BMI and PBF and between FMI and PBF were investigated. The percentage of persons misclassified as obese [http://en.wikipedia.org/wiki/GUCY1B3 GUCY1B3] using different classifications was calculated. Multiple linear regression analysis was performed to generate predictive models of FMI for males and females separately. BMI and PBF were correlated in men (�� = 0.877; P [http://www.selleckchem.com/products/PD-173074.html PD173074 ic50] 20 and 67.2% of the men and 9.2 and 84.2% of women, classified as normal weight and overweight by BMI, respectively, were diagnosed as obese by PBF. FMI and PBF were also correlated in men (�� = 0.975; P [http://www.selleckchem.com/products/ulixertinib-bvd-523-vrt752271.html Ulixertinib] a common regulator. Adjacent to the gene cluster, a putative IclR-like transcriptional regulator, HVO_B0040, was identified. It is shown that HVO_B0040, designated xacR, encodes an activator of both D-xylose and L-arabinose catabolism: in ��xacR cells, transcripts of genes involved in pentose catabolism could not be detected; transcript formation could be recovered by complementation, indicating XacR dependent transcriptional activation. Upstream activation promoter regions and nucleotide sequences that were essential for XacR-mediated activation of pentose-specific genes were identified by in vivo deletion and scanning mutagenesis.