In this cross-sectional

survey carried out in Italy from

In this cross-sectional

survey carried out in Italy from November 2010 to February 2011, more than 40% of interviewed women living with HIV reported at least one induced abortion in her reproductive health history. This unexpectedly high prevalence might be driven by the fact that the median age of the women included in the study was > 40 years and that nearly 20% had a history of drug abuse, which is known to be a factor associated with abortion in the general population ICG-001 price [13-16]. Another reason for our finding may be that our study was based on self-report and not chart review or cohort data. The fact that women of all ages were interviewed at their routine visit at the HIV care centre

and not when accessing a specific health care service [such as gynaecology or sexually transmitted diseases (STD)] or at a specific time-point may have increased detection rates. In most cases abortion occurred before HIV diagnosis, suggesting that women diagnosed with HIV infection often have a sexual health history that includes multiple, complex and traumatic events. PD0325901 ic50 In our study, the high proportion of abortions before HIV diagnosis may also be a result of the fact that women participating in the DIDI study generally received their HIV diagnosis at an advanced stage of disease, with a CD4 count nadir of approximately 200 cell/μL, in their late twenties or thirties. After specific Italian abortion legislation was enacted in 1978, rates of abortion among the general Italian female population first rose and

then declined steadily, from a peak of 16.9 abortions per 1000 women of reproductive age in 1983, to 9.7 in 1996, to 9.6 in 2005 and 8.3 in 2009 [17]. In our study, the rate observed in women not yet diagnosed with HIV infection was 24.1 per 1000 PYFU before 1990 and declined to 19.6 and 14.0 per 1000 PYFU in 1990–1999 and 2000–2010, respectively. Thus, we can conclude that our multicentre population of HIV-positive women displayed a much higher risk of abortion even before the HIV diagnosis, compared with the general population in Italy. In particular, during the last 10 years, they have had a 50% increased risk [17]. This study identifies a need for more effective strategies PIK-5 in the management of women who plan to have an abortion, with particular emphasis on HIV and other sexually transmitted diseases. This may be achieved by establishing routine HIV counselling and testing at the time of the abortion. To date in Italy, HIV and family planning services have been offered separately. From a public health point of view, a high induced abortion rate among HIV-infected and uninfected women is of particular concern, being the result of unprotected sexual intercourse, which carries the danger of HIV acquisition or transmission.

The multidisciplinary diabetes team (MDT) will need to be proacti

The multidisciplinary diabetes team (MDT) will need to be proactive in recognising the onset of a patient’s terminal decline in health, and liaising with the appropriate EOLC services.

Conversely, those providing EOLC should ensure that the diabetes team is aware of the patient so that specialist guidance on the management of diabetes can be provided. EOLC services are focused on high quality end of life care, symptom management and the provision of psychosocial support with an agreed set of criteria to identify those who require urgent palliative care support worker responses in different Fulvestrant chemical structure situations, e.g. unresolved pain, rapid discharge from hospital or care breakdown at home. When palliative care is instituted there are several elements

of particular relevance to those with diabetes. Unnecessary tests such as frequent blood glucose INCB024360 manufacturer monitoring and complex insulin regimens are burdensome and should be avoided. An intervention required during relative health may not be indicated for the dying, with the caveat that patient preference is always of overriding importance. Patients, families and carers will often have spent many years striving for tight glycaemic control in an attempt to reduce the risk of long-term complications. They may find it difficult to understand that, when the end of life is imminent, maintenance of strict euglycaemia can be detrimental to quality of life and the avoidance of long-term complications becomes an irrelevant goal. Both patients and careers may require sensitive counselling from members of the MDT to explain the shift in glycaemic goals. Nevertheless, it is important to maintain adequate control to enhance comfort by preventing hyperglycaemia-induced thirst, dehydration, confusion, drowsiness and symptomatic hypoglycaemia.

Many elements presenting at the end of life predispose to alteration of glycaemic control; hyperglycaemia may result Carnitine palmitoyltransferase II from, for example: The stress response to severe illness. Disturbance in glucose metabolism caused by certain malignant tumours. Use of steroids for symptom relief. Co-existent infection. The insulin requirement may be reduced, with the consequent risk of hypoglycaemia as a result of, for example: Weight loss. Anorexia leading to malnourishment. Renal and/or hepatic failure. Oral hypoglycaemic agents may no longer be required and the involvement of an experienced dietitian can be invaluable for those with poor food intake. In many instances, diabetes is a co-morbidity in patients with a terminal illness such as cancer. Treatment regimens should be tailored to each individual by those with appropriate skills, in consultation with the patient and their carers.

, 1998) ClfA–fibrinogen binding is localized to a region where t

, 1998). ClfA–fibrinogen binding is localized to a region where the sequence resembles the Ca2+-binding EF-hand motif often found in eukaryotic binding proteins (D’Souza et al., 1990; O’Connell et al., 1998). In these proteins, Ca2+ interferes with protein–ligand interaction either by occupying the ligand-binding site or binding to another site and causing a conformational change in the protein that prohibits SP600125 manufacturer the binding of the ligand. The steep reduction observed with increased Ca2+ concentration suggests that SdrF–polystyrene ionic interaction may

depend on the conformational state of the protein. The pH value of the surrounding solution affects the properties of both, the polymer and the protein. Our results suggest that at values close to physiological pH, the interaction between SdrF and polystyrene surfaces was optimal. The pH affects the protonation

of proteins and surfaces (Matsumoto et al., 2003). Preliminary predictions made Belnacasan ic50 using Protean (DNASTAR Lasergene 8) suggest that at physiological pH (7.4) SdrF has an overall negative charge (near-324.4) with the B domain concentrating most of that negative overall charge. These preliminary predictions might help explain the ionic nature of the SdrF–polystyrene interaction and its preference for slightly positively charge surfaces. Detergents (i.e. Tween20 and beta-d-octylglucoside) and disruptive agents (i.e. urea and guanidine chloride) are also known to perturb protein–surface interactions, as these molecules denature or perturb the protein structure (Boks et al., Rho 2008). Increasing concentrations of the nonionic surfactant Tween20 reduced the interaction between SdrF as well as the B domain constructs and the polystyrene surface. Both of these detergents are used in the pharmaceutical industry and contact lenses to avoid protein and microbial adsorption to the material (Santos et al., 2007) due to their amphiphilic properties. The effect of guanidine chloride

on SdrF B4-polystyrene interaction was higher than the effect of urea. Although still controversial, these two disruptive agents appear to denature proteins in different ways (Lim et al., 2009). While urea seems to create hydrogen bonds to the peptide group, guanidine chloride appears to disrupt the main backbone of the peptide (Lim et al., 2009). Guanidine chloride is usually more effective than urea when the peptide contains helices stabilized by planar residues (Lim et al., 2009). This indicates that the SdrF–polystyrene interaction depends on the tertiary structure of the peptide, specifically the SdrF B4 subdomain. A limitation of the study is that we were unable to create S. epidermidis strains that were isogenic for SdrF. The availability of an isogenic pair would have added further information regarding the role of SdrF in these binding interactions.

, 1998) ClfA–fibrinogen binding is localized to a region where t

, 1998). ClfA–fibrinogen binding is localized to a region where the sequence resembles the Ca2+-binding EF-hand motif often found in eukaryotic binding proteins (D’Souza et al., 1990; O’Connell et al., 1998). In these proteins, Ca2+ interferes with protein–ligand interaction either by occupying the ligand-binding site or binding to another site and causing a conformational change in the protein that prohibits PF-02341066 chemical structure the binding of the ligand. The steep reduction observed with increased Ca2+ concentration suggests that SdrF–polystyrene ionic interaction may

depend on the conformational state of the protein. The pH value of the surrounding solution affects the properties of both, the polymer and the protein. Our results suggest that at values close to physiological pH, the interaction between SdrF and polystyrene surfaces was optimal. The pH affects the protonation

of proteins and surfaces (Matsumoto et al., 2003). Preliminary predictions made VX-809 datasheet using Protean (DNASTAR Lasergene 8) suggest that at physiological pH (7.4) SdrF has an overall negative charge (near-324.4) with the B domain concentrating most of that negative overall charge. These preliminary predictions might help explain the ionic nature of the SdrF–polystyrene interaction and its preference for slightly positively charge surfaces. Detergents (i.e. Tween20 and beta-d-octylglucoside) and disruptive agents (i.e. urea and guanidine chloride) are also known to perturb protein–surface interactions, as these molecules denature or perturb the protein structure (Boks et al., Progesterone 2008). Increasing concentrations of the nonionic surfactant Tween20 reduced the interaction between SdrF as well as the B domain constructs and the polystyrene surface. Both of these detergents are used in the pharmaceutical industry and contact lenses to avoid protein and microbial adsorption to the material (Santos et al., 2007) due to their amphiphilic properties. The effect of guanidine chloride

on SdrF B4-polystyrene interaction was higher than the effect of urea. Although still controversial, these two disruptive agents appear to denature proteins in different ways (Lim et al., 2009). While urea seems to create hydrogen bonds to the peptide group, guanidine chloride appears to disrupt the main backbone of the peptide (Lim et al., 2009). Guanidine chloride is usually more effective than urea when the peptide contains helices stabilized by planar residues (Lim et al., 2009). This indicates that the SdrF–polystyrene interaction depends on the tertiary structure of the peptide, specifically the SdrF B4 subdomain. A limitation of the study is that we were unable to create S. epidermidis strains that were isogenic for SdrF. The availability of an isogenic pair would have added further information regarding the role of SdrF in these binding interactions.

, 2007; Wu et al, 2008), on the assumption that a whole genome i

, 2007; Wu et al., 2008), on the assumption that a whole genome is a composite of genome fragments. This study was supported by a Grant-in-Aid for Exploratory Research, project number 21651028 from the Ministry of Education, Culture, Sports, Science and Technology (MEXT). Please note: Wiley-Blackwell is not responsible for CHIR-99021 datasheet the content or functionality of any supporting materials supplied by the authors. Any queries (other than missing material) should be directed

to the corresponding author for the article. “
“Department of Biomedical Sciences, Cummings School of Veterinary Medicine, Tufts University, North Grafton, MA, USA Lung transplant recipients experience poor long-term survival, largely due to chronic rejection. The pathogenesis of chronic rejection is incompletely understood, but bacterial colonization of the lung is associated with chronic rejection, while

antibiotic use slows its progression. The lung harbors a bacterial community, termed the microbiome, which is present both in health and disease. We hypothesize that the lung microbiome will change following transplantation, and these changes may correspond to the development of rejection. Twelve bronchoalveolar lavage fluid (BALF) samples were obtained from four patients at three time points after transplantation, and two BALF samples were obtained from healthy, nontransplant controls. The microbiome of each sample was determined by pyrosequencing the 16S rRNA gene hypervariable selleck screening library 3 region. The data were analyzed using mothur, Ribosomal Database Project Classifier, Fast UniFrac, and Metastats. P-type ATPase Transplanted lungs contained more bacterial sequences and demonstrated more microbial diversity than did control lungs. Bacteria in the phyla Proteobacteria (class Betaproteobacteria) predominated in the transplant samples. In contrast, the microbiome of the healthy lung consisted of the phyla Proteobacteria (class Gammaproteobacteria) and Firmicutes. The microbiome of the transplanted

lung is vastly different from that of healthy lungs, mainly due to the presence of the family Burkholderiaceae in transplant samples. “
“Arbuscular mycorrhizal fungi (AMF) belong to phylum Glomeromycota, an early divergent fungal lineage forming symbiosis with plant roots. Many reports have documented that bacteria are intimately associated with AMF mycelia in the soil. However, the role of these bacteria remains unclear and their diversity within intraradical AMF structures has yet to be explored. We aim to assess the bacterial communities associated within intraradical propagules (vesicles and intraradical spores) harvested from roots of plant growing in the sediments of an extremely petroleum hydrocarbon-polluted basin. Solidago rugosa roots were sampled, surface-sterilized, and microdissected. Eleven propagules were randomly collected and individually subjected to whole-genome amplification, followed by PCRs, cloning, and sequencing targeting fungal and bacterial rDNA.

[12] Sefton Primary Care Trust (PCT), part of Greater Merseyside,

[12] Sefton Primary Care Trust (PCT), part of Greater Merseyside, has extremes of deprivation,

with a higher obesity prevalence in less affluent households and a higher proportion of obesity among males than England as a whole.[13] The Trust’s obesity strategy, Lose Weight: Gain Life,[14] recognises that all primary care staff, including community pharmacists, frequently encounter people who would benefit from losing weight, although at present the Trust does not support community pharmacy weight-management programmes. Mapping of current service provision is an essential part of needs assessment and an important stage for PCTs in the development of a novel service. Determining the views of the general public at whom a novel service will be targeted is also an essential EX 527 prerequisite to service development. A

variety of market research methods have been used to obtain the views of the general public towards potential new health-related services, including postal questionnaires, telephone interviews and face-to-face interviews. Mixed methods approaches using all three techniques are common among academic marketing studies.[15] While all can suffer from low response rates, they form an important part of needs assessments for service development. For this study face-to-face interviews carried out in the street were used. AZD0530 manufacturer This is a standard market research technique which has grown in popularity, being second only to phone surveys in usage.[16] The application of these interviews in the study of issues relating to both pharmacy and public health is increasing.[17–19] They have the advantage CYTH4 over postal questionnaires

of rapid data collection and purposive targeting of respondents with desirable demographic characteristics. All market research methods are valuable in that the views of the full spectrum of a population, including so-called hard-to-reach individuals, for example those with a low literacy level, can be obtained. Face-to-face interviews have the additional advantage over postal questionnaires of minimising this latter problem, known to be a major factor within Sefton PCT. Methods which target users of existing health-related services are likely to be less valuable for assessing the views of potential consumers of services. This study was carried out to determine the views of a sample of the general public in one PCT on their knowledge of and preferences for weight-management services, together with a survey of the extent to which community pharmacies in the same PCT have the opportunity to and currently do provide services supporting weight management. Approval was obtained from Liverpool John Moores University Research Ethics Committee. Two questionnaires were devised: one for the general public and the other for community pharmacists.

Thus, T cervina LiP appears to react with H2O2 in the same manne

Thus, T. cervina LiP appears to react with H2O2 in the same manner as in P. chrysosporium LiP and other plant and fungal peroxidases. The sequence analysis showed that T. cervina LiP lacks the ATM/ATR targets tryptophan residue corresponding to Trp171 of P. chrysosporium LiP, which is the substrate-oxidation site on the protein surface (Doyle et al., 1998; Gelpke et al., 2002; Johjima

et al., 2002). Tryptophan residues corresponding to Trp171 have been found in all LiP homologs including VP (Martínez, 2002; Ruiz-Dueñas et al., 2009a). In T. cervina LiP, the position of Trp171 was substituted with a histidine residue, His170 (Fig. 1). However, the redox activity of the imidazole group is much lower than that of the tryptophan indole group. Pérez-Boada et al. (2005) demonstrated that the VP mutant W164H completely lost its LiP-type activity, suggesting that His170 is not a substrate-oxidation site in T. cervina LiP. A unique tyrosine residue (Tyr181) was found in T. cervina LiP. This is the first report of a LiP containing a tyrosine residue; tyrosine has not been found previously in any other LiP or VP sequences. The tyrosine residue is redox active and could be advantageous for a LiP-type oxidation involving

radical generation. In fact, it has been reported that tyrosine can act as a redox-active residue, like tryptophan, in different enzymes (Stubbe & van der Donk, 1998), and a tyrosyl radical has been detected in a VP variant W164Y (Ruiz-Dueñas et al., 2009b). Thus, Tyr181 might be the substrate-oxidation site of T. cervina LiP. To evaluate

a possible role of Tyr181, a structural model of T. cervina LiP was constructed using the moe find protocol algorithm. The Cα topology and the 10 helices of T. cervina LiP were almost identical to those of P. chrysosporium LiP (Supporting Information, Fig. S1a). The partial structures of the heme cavity and calcium-binding sites in the proximal and distal regions Bay 11-7085 were superimposable on the corresponding structures of P. chrysosporium LiP (Fig. S1b and c), indicating that the homology model was constructed with high accuracy. The T. cervina LiP model indicated that Tyr181 neighbors the 6-propionate group of heme and the phenolic side chain of Tyr181 is oriented toward the exterior (Fig. 3). These conformational details support the idea that there is an electron transfer pathway from Tyr181 to heme, enabling oxidation of bulky substrates such as lignin and cytochrome c. Also, the T. cervina LiP model showed that Tyr181 is surrounded by acidic amino acids just as Trp171 in P. chrysosporium LiP is surrounded by acidic amino acids (Fig. 3b). The acidic environment may stabilize the cation radical of veratryl alcohol as an enzyme-bound redox mediator (Choinowski et al., 1999; Ruiz-Dueñas et al., 2008) and improve the access of basic substrates, such as cytochrome c, to the oxidation site (Wariishi et al., 1994). Thus, it is likely that Tyr181 is a substrate-oxidation site in T.

Thus, T cervina LiP appears to react with H2O2 in the same manne

Thus, T. cervina LiP appears to react with H2O2 in the same manner as in P. chrysosporium LiP and other plant and fungal peroxidases. The sequence analysis showed that T. cervina LiP lacks the click here tryptophan residue corresponding to Trp171 of P. chrysosporium LiP, which is the substrate-oxidation site on the protein surface (Doyle et al., 1998; Gelpke et al., 2002; Johjima

et al., 2002). Tryptophan residues corresponding to Trp171 have been found in all LiP homologs including VP (Martínez, 2002; Ruiz-Dueñas et al., 2009a). In T. cervina LiP, the position of Trp171 was substituted with a histidine residue, His170 (Fig. 1). However, the redox activity of the imidazole group is much lower than that of the tryptophan indole group. Pérez-Boada et al. (2005) demonstrated that the VP mutant W164H completely lost its LiP-type activity, suggesting that His170 is not a substrate-oxidation site in T. cervina LiP. A unique tyrosine residue (Tyr181) was found in T. cervina LiP. This is the first report of a LiP containing a tyrosine residue; tyrosine has not been found previously in any other LiP or VP sequences. The tyrosine residue is redox active and could be advantageous for a LiP-type oxidation involving

radical generation. In fact, it has been reported that tyrosine can act as a redox-active residue, like tryptophan, in different enzymes (Stubbe & van der Donk, 1998), and a tyrosyl radical has been detected in a VP variant W164Y (Ruiz-Dueñas et al., 2009b). Thus, Tyr181 might be the substrate-oxidation site of T. cervina LiP. To evaluate

a possible role of Tyr181, a structural model of T. cervina LiP was constructed using the moe Tacrolimus algorithm. The Cα topology and the 10 helices of T. cervina LiP were almost identical to those of P. chrysosporium LiP (Supporting Information, Fig. S1a). The partial structures of the heme cavity and calcium-binding sites in the proximal and distal regions Sinomenine were superimposable on the corresponding structures of P. chrysosporium LiP (Fig. S1b and c), indicating that the homology model was constructed with high accuracy. The T. cervina LiP model indicated that Tyr181 neighbors the 6-propionate group of heme and the phenolic side chain of Tyr181 is oriented toward the exterior (Fig. 3). These conformational details support the idea that there is an electron transfer pathway from Tyr181 to heme, enabling oxidation of bulky substrates such as lignin and cytochrome c. Also, the T. cervina LiP model showed that Tyr181 is surrounded by acidic amino acids just as Trp171 in P. chrysosporium LiP is surrounded by acidic amino acids (Fig. 3b). The acidic environment may stabilize the cation radical of veratryl alcohol as an enzyme-bound redox mediator (Choinowski et al., 1999; Ruiz-Dueñas et al., 2008) and improve the access of basic substrates, such as cytochrome c, to the oxidation site (Wariishi et al., 1994). Thus, it is likely that Tyr181 is a substrate-oxidation site in T.

Symptoms may be discreet and comprise an urticarial rash and/or a

Symptoms may be discreet and comprise an urticarial rash and/or angio-edema, medium grade fever, a non-productive cough, abdominal pain, and diarrhea.5,10,19–22 In most patients of this cluster, symptoms were mild and had already resolved before treatment was given. In practice, AS is usually not recognized by primary

health care providers who are not familiar with tropical pathology. When the first symptoms appear, eosinophilia may not yet be raised.10 As illustrated with this cluster, eosinophilia will however increase rapidly in the course of the following days to levels rarely seen in other parasitic Tanespimycin order diseases. Diagnosis is thus likely when at least one of the above symptoms appears in association with a clearly raised eosinophil count and with a primary exposure to schistosomiasis up to 90 days prior, pending confirmation of schistosome infection.1,23,24 In the early disease stage, diagnosis cannot be reliably confirmed by antibody tests or parasite detection methods.6,25 However, by the time patients are referred to a travel clinic, evidence of schistosomiasis

is found in most, mainly by serum antibody detection and/or ova detection in feces or urine.6,10,23,25 The current techniques for the laboratory diagnosis of AS have some shortcomings. Antibody production against adult worm and egg antigens starts only after schistosomules in the liver have been matured and after oviposition has started around the perirectal or perivesical venous plexus. This occurs at the earliest STA-9090 clinical trial 6 weeks after infection, when symptoms may have largely subsided. Serological techniques used in clinical practice do not distinguish active infection from past exposure nor provide reliable information on parasite burden, and are not species-specific. Most routine techniques detect IgG, IgM, or IgE against soluble worm antigen (SWA) or soluble egg antigen (SEA) by ELISA, HAI or immunofluorescence. When combining assays using different sets of antigens in parasitologically confirmed infection, sensitivity may exceed 90% while retaining specificity at over

97%, but is less in AS.10,11,26,27 In this cluster, seroconversion failed to happen in three patients during the follow-up period, one parasitologically confirmed and two with symptomatic AS. Whether this is due to early treatment, a low parasite burden, or host Cyclin-dependent kinase 3 immune response factors is unclear. In most travelers and migrants, established schistosomiasis infection is predominantly asymptomatic and with a low parasite burden, so that eggs are often not found in excreta.28,29 Nevertheless schistosome eggs were detected in feces of nearly all (6/7) symptomatic patients of this cluster. This may be due to low average age of patients, as well as to the relatively long average time lapse between exposure and diagnosis.30 There is thus a need for a more sensitive qualitative diagnostic test that confirms schistosomiasis infection at an earlier stage.

8 mM IPTG (Sigma, St Louis, MO) After 4 h shaking at 37 °C, cel

8 mM IPTG (Sigma, St. Louis, MO). After 4 h shaking at 37 °C, cells were harvested by centrifugation at 9300 g for 2 min at 4 °C. The precipitations were resuspended in 80 mL ice-cold buffer A containing 50 mM Tris base, 50 mM EDTA, 50 mM NaCl, 0.5 mM dithiothreitol and 5% glycerol, and then disrupted using a high-pressure cracker (JNBIO,

Guangzhou, China). Protein purification was performed according to the method of Sambrook & Russell (2006). Protein concentration was measured with the Bicinchoninic Acid Protein Assay Kit (Beijing CellChip Biotechnology, China). The band position, molecular weight, and distribution of initial expression products and purified proteins PLX-4720 datasheet were estimated by SDS-PAGE. Western blotting was performed as described by Li et al. (2011). After the proteins were separated by SDS-PAGE and electrotransferred to polyvinylidene fluoride membranes, the membranes were blocked by 5% (w/v) nonfat dry milk in phosphate-buffered saline (PBS) overnight at 4 °C. The membranes were washed three times with TBST buffer (20 mM Tris–HCl, 150 mM NaCl, 0.05% Tween-20), and incubated with mouse anti-His antibody for 1 h, followed by Horseradish peroxidase (HRP)-conjugated goat anti-mouse IgG (Southern Biotech, Birmingham, Osimertinib AL) diluted 1 : 5000 for 1 h. The membranes were developed using the DAB Horseradish Peroxidase Color Development Kit (Beyotime, Shanghai, China). The immunization and challenge assay was performed

in mice, based on the International Guiding Principles for Biomedical Research Involving Animals – 1985. Adenosine A highly virulent ExPEC strain PCN033 (Tan et al., 2012) was chosen for challenge. Twenty-four female BALB/c mice (Hubei Center for Disease Control and Prevention, China) were evenly assigned to three groups. Mice in Groups 1 and 2 were injected intraperitoneally twice at 1-week intervals with 200 μL 50 μg purified OmpC and OmpF, respectively, mixed with 50% (v/v) Imject Alum adjuvant. Mice in Group 3 were injected with 50% (v/v) Imject Alum adjuvant in PBS as a control. Two weeks after the second injection, the immunized and control mice were challenged by intraperitoneal inoculation with 200 μL PBS containing 2.5 × 107 CFU of log-phase ExPEC PCN033.

To determine antibody responses, sera were obtained by tail vein bleeding prior to each injection and challenge. The mortality in each group of mice was monitored daily for 7 days after challenge. Titers of recombinant protein-specific total IgG and two IgG subclasses (IgG1 and IgG2a) in mouse sera were examined by ELISA as described by Zhang et al. (2009). A 96-well plate was coated with purified products of 500 ng 100 μL−1 per well in sodium carbonate buffer overnight at 4 °C. The plate was washed three times with PBST (PBS supplemented with 0.05% Tween-20). After saturation with 0.5% nonfat dry milk in PBST for 2 h at 37 °C, the plate was washed three times with PBST and subsequently incubated with serially diluted mouse serum (initially in 1 : 100) for 30 min.