In the WT strain, a transcriptional start site (T) located 140 bp

In the WT strain, a transcriptional start site (T) located 140 bp from the start codon (Fig. 4a) was determined by 5′ RACE CX-5461 ic50 PCR (not shown). Upstream, a potential σA-type promoter was identified with a (TATAAT) −10 box, and a (TTTACA) −35 box, exhibiting high conservation with the Bacillus subtilis consensus sequences. A sequence motif TGAAGAATATA, highly similar to the consensus sequence

of the bacterial cold-box element [TGA (C/A) N (A/T) ACANA, Hunger et al., 2006], was mapped at +25 bp downstream of the transcriptional start (Fig. 4a). Two additional putative boxes, also displaying homology with cold-box consensus sequences, were located upstream of the −10 and −35 promoter regions. The BC0259 gene is followed by an inverted repeat with a ΔG° of −28.3 kcal mol−1. This repeat could be a transcriptional terminator, suggesting HDAC inhibitor a BC0259 transcription as a single unit (Fig. 4a). RT-PCR with RNA from WT and mutant cultures at 10 and 30 °C confirmed that the BC0259 gene was not cotranscribed with the upstream and downstream genes (data not shown). The BC0259 gene

encodes a protein of 533 aa with a calculated molecular weight of 59 400 Da and a pI of 9.58. Alignment of the BC0259 aa sequence with NR-database sequences showed the presence of nine motifs highly conserved in the DEAD-box family of RNA helicases (Fig. 4b). Motif I (Walker A) and motif II (Walker B) are required for NTP/ATP binding and hydrolysis. Motif III has been suggested to couple NTP hydrolysis to helicase activity. Motif VI was shown to function in ATP hydrolysis. Motifs Ia, Ib, IV and V bind to substrate RNA. The Q motif is thought to be specific to DEAD-box RNA helicases and acts as an ATP sensor (Cordin et al., 2006; Bleichert & Baserga, 2007). In addition to this core protein, BC0259 is flanked by a C-terminal domain of approximately 92 aa, rich in glycine and arginine and Digestive enzyme containing several RNRD (arginine/asparagine/arginine/aspartic acid) repetitions conserved in the BC0259 homologues

of the sequenced genomes of the B. cereus group strains. BC0259 gene expression at 10 and 30 °C in WT and 9H2 cultures at OD600 nm=1.0 was tested by RT-PCR experiments. WT transcripts were detected at 30 and 10 °C and amplicons were also obtained from 9H2 RNA (data not shown), indicating that insertion of the transposon upstream BC0259 gene did not abolish its expression at both 30 and 10 °C. RNAs were then quantified by real-time RT-PCR in cells (1) grown at 30 °C at OD600 nm=1.0 and (2) grown at 10 °C at OD600 nm=0.2 and 1.0. The expression of BC0259 was 1.85-fold higher when WT cells were grown at 30 °C and at OD600 nm=0. 2 than at OD600 nm=1.0. It was 2.1-fold higher when the cells were grown at 10 °C at similar ODs (data not shown). Thus, this gene was more expressed during the lag phase, at both tested temperatures. When compared with WT, BC0259 expression was repressed in 9H2 for cells grown at 10 °C and at OD600 nm=0.

One potentially safe, effective, low-cost and popular behavioural

One potentially safe, effective, low-cost and popular behavioural intervention that might be employed to manage HIV-associated cardiometabolic complications is the practice of yoga. Yoga is based on an ancient system of breathing exercises, postures, stretches and meditations founded in Ayurvedic medicine and Indian philosophy and religion, and it is believed to help ‘detoxify’ the body, mitigate chronic fatigue, enhance endurance, and improve organ and immune functions [8]. Several reviews of published

studies, in people without HIV infection, concluded selleckchem that the practice of yoga may reduce insulin resistance and related CVD risk factors and improve clinical outcomes [8–11]. Specifically, reports suggest that a yoga lifestyle intervention reduces body weight, blood pressures and glucose and cholesterol levels, and improves vascular function; adaptations that should reduce CVD risk and improve quality of life (QOL) in HIV-infected people [8,11–33]. Despite the popularity and potential benefits of yoga, no prospective, randomized, controlled trial has examined the cardiometabolic benefits of a yoga lifestyle selleck products in HIV-infected people with CVD risk factors. The purpose of this randomized, controlled

study was to determine whether 20 weeks of supervised instruction and practice in yoga asanas (postures) and pranayama (breathing exercises) improves CVD risk factors, including oral glucose tolerance, lipid/lipoprotein levels, resting blood pressures, body composition, immune and virological status, and health-related QOL, in HIV-infected men and women relative to standard of care in a control group. Participants were recruited from the Washington University AIDS Clinical Trials Unit and local Infectious Diseases Clinics. Sixty HIV-infected men and women (18–70 years old) were randomly assigned (3:2) to receive 20 weeks of individual and group instruction in the practice of yoga from a certified yoga instructor, or 20 weeks of continued standard of care treatment (Fig.

1). Eligibility criteria were: documented HIV status, stable and with no http://www.selleck.co.jp/products/s-gsk1349572.html plans to change current cART, CD4 T-cell count >200 cells/μL, plasma HIV RNA<15 000 HIV-1 RNA copies/mL, and at least one of the following CVD risk factors: dyslipidaemia, central adiposity, glucose intolerance/insulin resistance, or hypertension. Dyslipidaemia was defined as low high-density lipoprotein (HDL) cholesterol level (<1.0 mmol/L for men and <1.3 mmol/L for women), fasting hypertriglyceridaemia (>1.7 mmol/L), high low-density lipoprotein (LDL) cholesterol level (>2.6 mmol/L) or current use of a lipid-lowering agent. Central adiposity was defined as waist circumference >102 cm for men or >88 cm for women, or trunk/limb adipose ratio >1.0 for men or >0.85 for women using whole-body dual energy X-ray absorptiometry. Glucose intolerance/insulin resistance was defined as fasting blood glucose 5.6–6.9 mmol/L, 2-h blood glucose 7.8–11.

We conducted a cross-sectional survey of women attending the HIV

We conducted a cross-sectional survey of women attending the HIV clinic between May and December 2011. Women were excluded if they were younger than 18 years, were accompanied by an adult or child aged 4 years or older, or were unable to give informed consent because of poor physical or mental health. We also excluded women with psychological conditions that the clinic’s psychology team felt placed them at high risk of severe distress as a consequence of participating. All participants were offered support from health Ceritinib advisors and psychologists.

They were also provided with information on local and national domestic violence agencies and generic HIV support agencies. Participants were asked whether they would like their clinic doctor to be provided with a copy of the questionnaire. If information was disclosed to the clinical team that raised serious concerns about the safety of the woman or any children, local clinic policies were followed for safeguarding children and vulnerable adults. Participants completed a standardized, structured questionnaire. It included the four questions in the HARK tool, which seeks to identify women experiencing physical, sexual or emotional IPV in the last year (see Fig. 1) [28]. The HARK tool was adapted from the Abuse Assessment Screen [29] and was validated against the Composite Abuse Scale [30]. We asked about experiences of IPV in the last

year and adapted the questions to ask about abuse experienced more than 1 year ago. We also asked about factors that have been associated with IPV

in previous studies, including age, ethnicity, level of educational attainment, employment, Talazoparib research buy immigration and marital status, parity, age at sexual debut, transactional sex, previous STIs, alcohol and substance misuse, history of mental health disorder, and past childhood physical and sexual abuse. The questionnaire was designed in consultation with experts in the field of IPV research and members of the clinic patient forum, and was piloted in 10 women. Trained PLEKHB2 medical telephone interpreters were used with participants who did not speak sufficient English. For participants with poor literacy, the questionnaire was administered face to face by members of the research team. Relevant clinical data were obtained from medical records. IPV within the past 1 year was defined as having answered “yes” to at least one of the four HARK questions, with the experience occurring specifically within the past 1 year. We adapted the HARK questions to ask about lifetime IPV, and this was defined as answering “yes” to at least one of the four HARK adapted questions, with the experience having occurred at any point during a participant’s lifetime. Ethnicity was based on self-reported ethnicity and categorized as “African-born Black”, “other Black” (of Black ethnicity and born outside sub-Saharan Africa), “White” and “other” (comprising Asian and other ethnicities).

Typhi: STY4835 (IS1230), STY4836 (sefA), STY4839 (sefD), STY4841

Typhi: STY4835 (IS1230), STY4836 (sefA), STY4839 (sefD), STY4841 (sefR), STY4845 (a thiol : disulphide interchange protein) and STY4848 (putative transposase) (Fig. S1i). Interestingly, ORFs STY4842–4846 of S. Typhi are homologues to S. Typhimurium genes located on the virulence plasmid, including srgA (Rodríguez-Peña et al., 1997). srgA encodes a functional disulphide oxidoreductase in S. Typhimurium and is a pseudogene in S. Typhi (STY4845) (Bouwman et al., 2003). It was shown that SrgA acts in concert with DsbA, another disulphide oxidoreductase, to target SipA (a SPI-2 effector), and that an srgA dsbA double PI3K inhibitor mutant had a stronger attenuation than either single mutants, with a level of attenuation similar

to a SPI-2 mutant (Miki et al., 2004). SPI-11 was initially identified in the genome sequencing of serovar Choleraesuis as a 14 kb fragment inserted next to the Gifsy-1 prophage (Chiu et al., 2005). This SPI is shorter in S. Typhimurium (6.7 kb) and in S. Typhi (10 kb) (Fig. S1j). SPI-11 includes the phoP-activated genes pagD and pagC involved in intramacrophage survival (Miller et al., 1989; Gunn et al., 1995). The putative envelope lipoprotein envF is absent in S. Typhi, while six additional ORFs (STY1884–1891), including the typhoid toxin cdtB,

are present in S. Typhi (Fig. S1j) (Spanòet al., 2008). SPI-12, located next to the proL tRNA gene at centisome 48, is 15.8 kb long in S. Typhimurium and 6.3 kb long in S. Typhi (Fig. S1k) (Hansen-Wester & Hensel, 2002). It contains the effector SspH2 (Miao et al., 1999). The additional 9.5 kb fragment in S. Typhimurium contains 11 ORFs, which include some putative LDK378 order and phage-associated genes as well as oafA, encoding a Salmonella-specific gene for O-antigen acetylase (Fig. S1k) (Slauch et al., 1996; Hansen-Wester

& Hensel, 2002). SPI-12 was shown to be required for systemic infection of mice in S. Typhimurium strain 14028 (Haneda et al., 2009). In S. Typhi, three ORFs are pseudogenes (STY2466a, STY2468 and Tideglusib STY2469), leaving only the sspH2 gene as functional on this island. SPI-13 was initially identified in serovar Gallinarum (Shah et al., 2005). This 25 kb gene cluster is found next to the pheV tRNA gene at centisome 67 in S. Typhimurium and in S. Typhi. However, an 8 kb portion is different in each serovar and corresponds to SPI-8 only in S. Typhi (Fig. S1l). In S. Typhimurium, this region contains the ORFs STM3117 to STM3123, a cluster unique to S. Typhimurium, coding genes for a putative lyase, hydrolase, oxidase, arylsulphatase and arylsulphatase regulator as well as two putative LysR family transcriptional regulators (Fig. S1l). In strain S. Typhimurium 14028, STM3117–STM3121 are novel virulence-associated genes, as they were shown to be involved in systemic infection of mice (Haneda et al., 2009) and replication inside murine macrophages (Shi et al., 2006). In S.

Typhi: STY4835 (IS1230), STY4836 (sefA), STY4839 (sefD), STY4841

Typhi: STY4835 (IS1230), STY4836 (sefA), STY4839 (sefD), STY4841 (sefR), STY4845 (a thiol : disulphide interchange protein) and STY4848 (putative transposase) (Fig. S1i). Interestingly, ORFs STY4842–4846 of S. Typhi are homologues to S. Typhimurium genes located on the virulence plasmid, including srgA (Rodríguez-Peña et al., 1997). srgA encodes a functional disulphide oxidoreductase in S. Typhimurium and is a pseudogene in S. Typhi (STY4845) (Bouwman et al., 2003). It was shown that SrgA acts in concert with DsbA, another disulphide oxidoreductase, to target SipA (a SPI-2 effector), and that an srgA dsbA double Selleck Target Selective Inhibitor Library mutant had a stronger attenuation than either single mutants, with a level of attenuation similar

to a SPI-2 mutant (Miki et al., 2004). SPI-11 was initially identified in the genome sequencing of serovar Choleraesuis as a 14 kb fragment inserted next to the Gifsy-1 prophage (Chiu et al., 2005). This SPI is shorter in S. Typhimurium (6.7 kb) and in S. Typhi (10 kb) (Fig. S1j). SPI-11 includes the phoP-activated genes pagD and pagC involved in intramacrophage survival (Miller et al., 1989; Gunn et al., 1995). The putative envelope lipoprotein envF is absent in S. Typhi, while six additional ORFs (STY1884–1891), including the typhoid toxin cdtB,

are present in S. Typhi (Fig. S1j) (Spanòet al., 2008). SPI-12, located next to the proL tRNA gene at centisome 48, is 15.8 kb long in S. Typhimurium and 6.3 kb long in S. Typhi (Fig. S1k) (Hansen-Wester & Hensel, 2002). It contains the effector SspH2 (Miao et al., 1999). The additional 9.5 kb fragment in S. Typhimurium contains 11 ORFs, which include some putative find more and phage-associated genes as well as oafA, encoding a Salmonella-specific gene for O-antigen acetylase (Fig. S1k) (Slauch et al., 1996; Hansen-Wester

& Hensel, 2002). SPI-12 was shown to be required for systemic infection of mice in S. Typhimurium strain 14028 (Haneda et al., 2009). In S. Typhi, three ORFs are pseudogenes (STY2466a, STY2468 and buy Decitabine STY2469), leaving only the sspH2 gene as functional on this island. SPI-13 was initially identified in serovar Gallinarum (Shah et al., 2005). This 25 kb gene cluster is found next to the pheV tRNA gene at centisome 67 in S. Typhimurium and in S. Typhi. However, an 8 kb portion is different in each serovar and corresponds to SPI-8 only in S. Typhi (Fig. S1l). In S. Typhimurium, this region contains the ORFs STM3117 to STM3123, a cluster unique to S. Typhimurium, coding genes for a putative lyase, hydrolase, oxidase, arylsulphatase and arylsulphatase regulator as well as two putative LysR family transcriptional regulators (Fig. S1l). In strain S. Typhimurium 14028, STM3117–STM3121 are novel virulence-associated genes, as they were shown to be involved in systemic infection of mice (Haneda et al., 2009) and replication inside murine macrophages (Shi et al., 2006). In S.

Electronic databases were searched

and duplicate articles

Electronic databases were searched

and duplicate articles were removed. All articles were reviewed manually by title, abstract and/or full text for relevance. The reference lists of retrieved articles and relevant review articles were manually examined for further applicable studies. The key journals were also manually screened for further relevant articles. Full-text manuscripts were retrieved either electronically or as hard copy for assessment. Information was extracted into a pro forma which included: primary author name and date of publication, study design and study duration, participants’ age, setting, sample, type(s) and possible cause(s) of MRPs, intervention or recommendations to address the problems or to support ethnic minorities PF-02341066 in vitro in the use of medicines. Studies of MRPs experienced by ethnic minority patients in the UK are shown in Table 2. Communication and language barriers;

problems with interpretation provided; problems with non-prescription medicine; limited knowledge of the medical and healthcare system; lack of belief in the treatment they received. Lip (2002)[21] Some patients had limited knowledge of atrial fibrillation as well as its consequences and therapy; problems with not taking medicines as advised. Ethnic, cultural and religious differences; communication and language barriers; poor amount of counselling and information given to patients by healthcare professionals. Horne VX-809 in vitro (2004)[33] High risk of not taking medicines as advised. Students of South Asian Selleckchem Decitabine origin had higher General Harm score

than those of European origin (i.e. they perceived medicines as being intrinsically harmful, addictive substances that should be avoided (P < 0.001) and they were significantly (P < 0.001) less likely to endorse the benefits of modern medication). Cultural beliefs; current and previous experience of taking medication. Indo-Asians and Afro-Caribbeans were less aware of CHF as well as its consequences and therapy; problems with not taking medicines as advised. Ethnic, cultural and religious differences; communication and language barriers; poor amount of counselling and information given to patients. South Asians were less aware of diabetes as well as its consequences; problems with not taking medicines as advised and missing clinical appointments. Cultural and religious influences; language and communication barriers; problems with interpretation provided. Using pictorial flashcards to provide information for illiterate people instead of providing written information in a native language; providing bilingual link-workers.

, 2008) In Salmonella, the T3SS-1 genes invH and

, 2008). In Salmonella, the T3SS-1 genes invH and ABT199 sopA were highly expressed under iron-rich conditions (Bjarnason et al., 2003), and 2,2′ dipyridyl represses expression of the SPI-1 transcriptional activator hilA and subsequent protein secretion via T3SS-1 (Ellermeier & Slauch, 2008; this study). Furthermore, Fur was recently reported to activate hilA expression (Ellermeier & Slauch, 2008). To investigate whether inhibition

of Salmonella T3SS-1 is dependent on Fur-regulation of SPI-1, proteins secreted via T3SS-1 were prepared from culture supernatants of S. Typhimurium SL1344 wild-type and SL1344 Δfur strains grown in the presence of INP0403 or DMSO and analysed by SDS-PAGE. Levels of the T3SS-1-secreted protein SipC were quantified by scanning of gels stained with a fluorescent total protein stain (Fig. 5). The location of SipC is known from peptide sequencing of S. Typhimurium secreted proteins and Western blotting (data not shown). Densitometric analysis of secreted SipC in cultures of the wild-type strain indicated a mean fold reduction of 7.97±2.71 in the presence of INP0403 relative to the DMSO-treated control. The Δfur mutant exhibited a reduction in secreted SipC of 3.61±0.67-fold compared with the wild-type

in the presence of DMSO, consistent with the role of Fur in the activation of SPI-1 (Ellermeier & Slauch, 2008). In the presence of INP0403, there was a further reduction in SipC secreted by the Δfur mutant of 3.50±0.53-fold relative to DMSO-treated SL1344 Δfur. This indicates that the effect of INP0403 on secretion of SipC occurs, at least in AZD4547 clinical trial part, independently of Fur. No effect Oxymatrine of INP0403 on fur transcription was observed by transcriptome analysis. In conclusion, inhibition of T3S by a candidate salicylidene acylhydrazide anti-infective agent is associated with modulation of gene expression in a manner that may be linked to iron sequestration. We show that INP0403 is capable of restricting iron supply

to Salmonella, and that inhibition of T3SS-1 by INP0403 is reversible by exogenous iron and, at least in part, independent of the iron-response regulator Fur. These data contrast with recent observations that such molecules may impair assembly of the Shigella flexneri T3S needle complex (Veenendaal et al., 2009), and raise the possibility of inhibitor- and species-specific modes of action. Taken together with data on the iron-sensitive activity of salicylidene acylhydrazides against Chlamydia (Slepenkin et al., 2007), our data reinforce the need for future studies on the mode of action of such molecules to address the potential for pleiotropic effects related to iron supply. The authors gratefully acknowledge the financial support from the Biotechnology and Biological Sciences Research Council (BBSRC), including grant D010632/1 to E.E.G. and M.P.S., and a BBSRC core strategic grant to J.C.D.H. We thank Innate Pharmaceuticals AB for providing inhibitors, and Dr Simon Andrews, University of Reading, for providing S.

, 2008) In Salmonella, the T3SS-1 genes invH and

, 2008). In Salmonella, the T3SS-1 genes invH and TGF-beta inhibitor sopA were highly expressed under iron-rich conditions (Bjarnason et al., 2003), and 2,2′ dipyridyl represses expression of the SPI-1 transcriptional activator hilA and subsequent protein secretion via T3SS-1 (Ellermeier & Slauch, 2008; this study). Furthermore, Fur was recently reported to activate hilA expression (Ellermeier & Slauch, 2008). To investigate whether inhibition

of Salmonella T3SS-1 is dependent on Fur-regulation of SPI-1, proteins secreted via T3SS-1 were prepared from culture supernatants of S. Typhimurium SL1344 wild-type and SL1344 Δfur strains grown in the presence of INP0403 or DMSO and analysed by SDS-PAGE. Levels of the T3SS-1-secreted protein SipC were quantified by scanning of gels stained with a fluorescent total protein stain (Fig. 5). The location of SipC is known from peptide sequencing of S. Typhimurium secreted proteins and Western blotting (data not shown). Densitometric analysis of secreted SipC in cultures of the wild-type strain indicated a mean fold reduction of 7.97±2.71 in the presence of INP0403 relative to the DMSO-treated control. The Δfur mutant exhibited a reduction in secreted SipC of 3.61±0.67-fold compared with the wild-type

in the presence of DMSO, consistent with the role of Fur in the activation of SPI-1 (Ellermeier & Slauch, 2008). In the presence of INP0403, there was a further reduction in SipC secreted by the Δfur mutant of 3.50±0.53-fold relative to DMSO-treated SL1344 Δfur. This indicates that the effect of INP0403 on secretion of SipC occurs, at least in Ku-0059436 molecular weight part, independently of Fur. No effect selleck inhibitor of INP0403 on fur transcription was observed by transcriptome analysis. In conclusion, inhibition of T3S by a candidate salicylidene acylhydrazide anti-infective agent is associated with modulation of gene expression in a manner that may be linked to iron sequestration. We show that INP0403 is capable of restricting iron supply

to Salmonella, and that inhibition of T3SS-1 by INP0403 is reversible by exogenous iron and, at least in part, independent of the iron-response regulator Fur. These data contrast with recent observations that such molecules may impair assembly of the Shigella flexneri T3S needle complex (Veenendaal et al., 2009), and raise the possibility of inhibitor- and species-specific modes of action. Taken together with data on the iron-sensitive activity of salicylidene acylhydrazides against Chlamydia (Slepenkin et al., 2007), our data reinforce the need for future studies on the mode of action of such molecules to address the potential for pleiotropic effects related to iron supply. The authors gratefully acknowledge the financial support from the Biotechnology and Biological Sciences Research Council (BBSRC), including grant D010632/1 to E.E.G. and M.P.S., and a BBSRC core strategic grant to J.C.D.H. We thank Innate Pharmaceuticals AB for providing inhibitors, and Dr Simon Andrews, University of Reading, for providing S.

, 2008) In Salmonella, the T3SS-1 genes invH and

, 2008). In Salmonella, the T3SS-1 genes invH and Selleckchem CHIR99021 sopA were highly expressed under iron-rich conditions (Bjarnason et al., 2003), and 2,2′ dipyridyl represses expression of the SPI-1 transcriptional activator hilA and subsequent protein secretion via T3SS-1 (Ellermeier & Slauch, 2008; this study). Furthermore, Fur was recently reported to activate hilA expression (Ellermeier & Slauch, 2008). To investigate whether inhibition

of Salmonella T3SS-1 is dependent on Fur-regulation of SPI-1, proteins secreted via T3SS-1 were prepared from culture supernatants of S. Typhimurium SL1344 wild-type and SL1344 Δfur strains grown in the presence of INP0403 or DMSO and analysed by SDS-PAGE. Levels of the T3SS-1-secreted protein SipC were quantified by scanning of gels stained with a fluorescent total protein stain (Fig. 5). The location of SipC is known from peptide sequencing of S. Typhimurium secreted proteins and Western blotting (data not shown). Densitometric analysis of secreted SipC in cultures of the wild-type strain indicated a mean fold reduction of 7.97±2.71 in the presence of INP0403 relative to the DMSO-treated control. The Δfur mutant exhibited a reduction in secreted SipC of 3.61±0.67-fold compared with the wild-type

in the presence of DMSO, consistent with the role of Fur in the activation of SPI-1 (Ellermeier & Slauch, 2008). In the presence of INP0403, there was a further reduction in SipC secreted by the Δfur mutant of 3.50±0.53-fold relative to DMSO-treated SL1344 Δfur. This indicates that the effect of INP0403 on secretion of SipC occurs, at least in RG7422 in vitro part, independently of Fur. No effect clonidine of INP0403 on fur transcription was observed by transcriptome analysis. In conclusion, inhibition of T3S by a candidate salicylidene acylhydrazide anti-infective agent is associated with modulation of gene expression in a manner that may be linked to iron sequestration. We show that INP0403 is capable of restricting iron supply

to Salmonella, and that inhibition of T3SS-1 by INP0403 is reversible by exogenous iron and, at least in part, independent of the iron-response regulator Fur. These data contrast with recent observations that such molecules may impair assembly of the Shigella flexneri T3S needle complex (Veenendaal et al., 2009), and raise the possibility of inhibitor- and species-specific modes of action. Taken together with data on the iron-sensitive activity of salicylidene acylhydrazides against Chlamydia (Slepenkin et al., 2007), our data reinforce the need for future studies on the mode of action of such molecules to address the potential for pleiotropic effects related to iron supply. The authors gratefully acknowledge the financial support from the Biotechnology and Biological Sciences Research Council (BBSRC), including grant D010632/1 to E.E.G. and M.P.S., and a BBSRC core strategic grant to J.C.D.H. We thank Innate Pharmaceuticals AB for providing inhibitors, and Dr Simon Andrews, University of Reading, for providing S.