These intriguing findings suggest that further investigation is

These intriguing findings suggest that further investigation is essential to address if mDia1 plays roles in human diabetic neuropathy. Perhaps the impact of mDia1 in this setting is RAGE independent; for example, these findings might suggest that mDia1 contribution to the neuropathy pathogenesis might be a result of its primary, rho-mediated cytoskeleton regulatory functions (Rose et al. 2005; Shinohara et al. 2012), and is complementary to RAGE-stimulated phosphorylation of Akt (protein kinase B)

and cell proliferation/migration observed in other cell types such as smooth muscle cells (Rai et al. 2012). More detailed studies have been designed to decipher the role and expression

Inhibitors,research,lifescience,medical of these proteins over long periods of time in the human Inhibitors,research,lifescience,medical peripheral nerve. Acknowledgments The authors would like to thank Ms. Latoya Woods for her excellent technical assistance with manuscript preparations (Diabetes Research Center, New York University Medical Center). Conflict of Interest None declared.
Asahara et al. (1997) described endothelial progenitor cells (EPC) in human peripheral blood. EPC are immature endothelial circulating cells mobilized from the bone marrow. These cells are involved in repairing the damaged Inhibitors,research,lifescience,medical endothelium and in facilitating neovascularization after ischemia (Asahara et al. 1997; Urbich and Dimmeler 2004; Fadini et al. 2007; Rouhl et al. 2008). The role of EPC in health and disease is not understood completely. Most studies of healthy subjects and patients with coronary artery disease (CAD) report that the number and function of circulating EPC decrease with age and with the presence of classical

vascular risk factors (Hristov Inhibitors,research,lifescience,medical and Weber 2004; Fadini et al. 2007). Also, EPC levels (counts) increase after an ischemic event and a low number of EPC predict a higher frequency of vascular events during follow-up in healthy subjects (Hill et al. 2003) and in patients with CAD (Werner et Inhibitors,research,lifescience,medical al. 2005). These studies suggest that EPC play an important role in the risk of vascular events and in vascular Phosphoprotein phosphatase homeostasis. EPC counts have not been studied frequently in patients with ischemic stroke, and the GSK126 results are conflicting. Some studies (Ghani et al. 2005; Chu et al. 2008; Zhou et al. 2009) reported lower counts of EPC in patients in the acute stage of ischemia compared to controls, while other studies (Dunac et al. 2007; Yip et al. 2008, 2011; Navarro-Sobrino et al. 2010) reported the opposite. Moreover, higher EPC levels have been associated with a favorable short and long-term outcome in some studies (Sobrino et al. 2007; Yip et al. 2008; Taguchi et al. 2009). Unfortunately, these investigations did not focus on the variables associated with the EPC counts and did not evaluate the significance of stroke etiology.

The endogenous period appears normal 41 A phase delay in process

The endogenous period appears normal.41 A phase delay in process C (as measured by core body temperature or melatonin A-1210477 rhythms in constant routine) has been found,42 but not in all studies or all markers.41,43 The decline in process S (as measured by spectral analyses of the sleep electroencephalogram [EEG]) was no different in SAD patients compared with controls.44,45 However, the rise in Inhibitors,research,lifescience,medical process S (as measured by spectral analyses of the wake EEG) was different, indicating a factor related to daytime vigilance.46,47 Wake EEG patterns in evening chronotypes are similar to this,48

which may mean that the above finding is not pathogenetic for SAD, since the patient chronotype is skewed towards ”owls,“ shows the above tendency to phase delay, and has common clock-related polymorphisms.32 War of the zeitgebers? What is fascinating Inhibitors,research,lifescience,medical is that both circadian and wake-dependent factors contribute to a subjective measure such as mood. This has been demonstrated in healthy subjects in both protocols.6,41,49,50 The day-to-day change in patterns of diurnal mood variation in a forced Inhibitors,research,lifescience,medical desynchrony protocol has remarkable similarities to the day-to-day variability in diurnal mood variation found in depressive patients, and even more similarity to the mood patterns

following a phase advance of the sleep-wake cycle.8 Thus, mood fluctuations can indeed be understood in terms of abnormal or changing Inhibitors,research,lifescience,medical phase relationships. Mood-related cognitive and attributional disturbances have been postulated to be sequelae of shifting circadian rhythms.5 ‘Ihis is an important point for the above findings. If SAD patients are vulnerable to short winter days, is this an abnormality of the biological clock, or is it rather a subjective interpretation of internal temporal disorder? The following findings

are perhaps relevant to this argument. Some subjects in experiments where they live free of time cues manifest spontaneous internal desynchronization, in that their sleep-wake Inhibitors,research,lifescience,medical cycle desynchronizes from circadian rhythms such as core body temperature. They do not notice that this phenomenon has occurred, nor do they show any decrement in mood or performance―on the contrary, they feel rather Calpain well.51 This is in marked contrast to the situation resulting from external desynchronization, when sleep timing is shifted by shift work or transmeridian travel. Here the internal desynchronization between sleep and the clock is additionally in conflict with light and social zeitgebers in the outer world; and it is postulated that this aspect may underlie the often-associated depressive disturbances.5,52 It may not only be phase relationships that are important, but perhaps also the light-dark ratio (daylength or photoperiod). Some of the evidence for SAD suggests that the duration of nocturnal melatonin secretion is important for triggering psychopathology in winter.

whole breast radiation than in all of the previously reported ra

whole breast radiation than in all of the previously reported randomized IORT studies in previous decades (4). In see more parallel with this resurgence in IORT interest spawned by technological advances, there have been advances in chemotherapeutic management of systemic disease that has made it increasingly important to achieve effective and durable control of the primary disease with

local therapies, thus providing a shot in the arm for intensification of radiation Inhibitors,research,lifescience,medical treatment via techniques such as IORT. The accompanying article by Ashman et al. reports the Mayo Clinic Scottsdale experience with preoperative chemoradiation therapy combined with a mobile electron accelerator IORT for locally advanced and borderline resectable pancreatic cancer

patients (5). Among 48 patients treated between 2002 and 2010 with chemoradiation therapy with the intent of resection and IORT, 31 patients underwent an attempted resection. Sixteen of these patients were able to undergo a R0/R1 Inhibitors,research,lifescience,medical resection whereas one patient underwent an R2 resection and the remaining 14 patients did not undergo resection. Twenty eight of these thirty one operated patients received IORT. Patients who had R0/R1 resections (with IORT) had significantly better median overall survival durations (23 vs. 10 months, P=0.002) than those Inhibitors,research,lifescience,medical Inhibitors,research,lifescience,medical who had R2 resection or no resection (with IORT). Since there were no patients without IORT who were part of the study, it remains unclear what role the IORT played in the survival outcomes achieved. It also remains unclear whether the inability of nearly half of all patients (16 of 31) to receive chemotherapy after IORT may have adversely affected overall survival of these patients. What might seem, on the surface, easier to discern is whether the additional IORT improved local control? While recognizing that comparisons to historical controls are fraught with flaws and that assessment/reporting of Inhibitors,research,lifescience,medical local control

is particularly challenging many in pancreatic cancer patients, the reported local failure rate of 29% in unresected patients who underwent IORT seems to compare favorably to that reported for locally advanced pancreatic cancers who do not undergo IORT. While this hints at a potential local control benefit from escalated doses of radiation to the retroperitoneal margin, given the competing risk for frequent and rapid metastatic dissemination of these aggressive tumors, it is not surprising that a potential local control benefit does not translate to a survival benefit. Similar findings were reported in a recent multi-institutional retrospective analysis of IORT for resected pancreatic cancer patients where local control was excellent but there was no improvement in overall survival (6).

Lisa J Rose-Jones, John

Lisa J. Rose-Jones, John check details J. Rommel, and Patricia P. Chang Heart failure

with preserved ejection fraction (HFpEF) is a complex clinical syndrome based on traditional heart failure symptoms with documentation of increased left ventricular filling pressures and preserved left ventricular ejection fraction. The exact mechanisms that induce HFpEF are not known. End-diastolic ventricular stiffness does not seem to be acting alone. Substantial mortality exists compared with healthy age-matched controls, as well as significant health care expenditures on hospitalizations and readmissions. This article reviews the epidemiology, pathophysiology, and treatment of heart failure with preserved ejection fraction (HFpEF). Current practice guidelines focus on remedying volume overload, aggressively controlling hypertension, and treatment of comorbid conditions that contribute to decompensation.

Scott Feitell, Shelley R. Hankins, and Howard J. Eisen Heart failure is a costly and difficult disease to treat. However, new metrics make it an imperative to keep these patients out of the hospital. Implementing and maintaining patients on successful treatment plans is difficult. A multitude of factors make transitioning care to the outpatient Akt inhibitor setting difficult. A careful and well-orchestrated team of cardiologists, general inhibitors practitioners, nurses, and ancillary support staff can make an important difference to patient care. A strong body of literature supports the use of pharmacologic therapy, and evidence-based therapies can improve mortality and quality of life, and reduce hospital admissions. Adjunctive therapies can be equally important. Index 175 “
“Umesh K. Gidwani, Samin K. Sharma, and Annapoorna S. Kini Umesh K. Gidwani and Annapoorna S. Kini This article presents an overview of the evolution of cardiac critical care in the past half century. It tracks the rapid advances in the management of cardiovascular disease and how the intensive care area has Unoprostone kept pace,

improving outcomes and incorporating successive innovations. The current multidisciplinary, evidence-based unit is vastly different from the early days and is expected to evolve further in keeping with the concept of “hybrid” care areas where care is delivered by the “heart team”. Jack Z. Li, Kim A. Eagle, and Prashant Vaishnava Acute aortic syndromes are among the most lethal of the cardiovascular diseases. Delays in recognition, diagnosis, and treatment are associated with increases in mortality. Signs and symptoms are sometimes subtle and atypical, and a high index of suspicion is useful to guide the diagnostic evaluation. Uncontrolled hypertension remains the most significant treatable risk factor. Immediate management involves blood pressure reduction. β-Blockers are the first drugs of choice.

Patients’ subjective quality of life was assessed using the EuroQ

Patients’ subjective quality of life was assessed using the EuroQuolVisual Analogue Scale40 and the Patient Satisfaction Questionnaire.52 After 24 weeks of treatment, EuroQuo-lVAS score significantly increased in both groups without significant differences between them. In the Patient Satisfaction Questionnaire,

flupenthixol demonstrated significant greater improvements Inhibitors,research,lifescience,medical in “feeling more able to cope with stress,” “feeling more relaxed,” and “feeling more able to achieve something” than risperidone. Nasrallah et al32 evaluated the quality of life of schizophrenic patients under treatment with long-acting, injectable risperidone versus placebo. They assessed a total of 369 schizophrenic patients (92 receiving placebo, 93 25 -mg, 97 50 -mg, and 87 75 -mg/2 weeks of long-acting risperidone) Inhibitors,research,lifescience,medical using the SF-36.45

After 12 weeks of doubleblind randomized treatment, patients in the long-acting risperidone group improved significantly in the bodily pain, general health, social functioning, role-emotional and mental health SF-36 scales compared with patients in the placebo group. Quetiapine Velligan et al33 studied the effectiveness of quetiapine Inhibitors,research,lifescience,medical versus conventional antipsychotic in improving quality of life as measured by the QLS.35 They conducted an open-label, rater-blinded study in which 40 stable schizophrenic outpatients were randomly assigned to continue taking their traditional antipsychotic medication or to be switched to quetiapine for a period of 6 months. In the quetiapine group six patients dropped out and in the conventional antipsychotic group seven did. Quetiapine-treated patients Inhibitors,research,lifescience,medical had better quality of life scores during the follow-up period than those in the conventional group. Ziprasidone Inhibitors,research,lifescience,medical ani aripiprazole These are the newest antipsychotics on the market,

and have been demonstrated to be Selleckchem CX-5461 efficacious in a broad spectrum of symptomatology and to have a good tolerance profile. Preliminary data concerning their impact on the patients’ quality of life have been presented at different meetings many in the last 2 years, showing significantly greater improvements than conventional antipsychotics. However, definitive data for any of them have not yet been published. Antipsychotic side effects and quality of life Antipsychotics have a wide range of adverse effects that may negatively affect the quality of life of schizophrenic patients and their compliance with treatment. Ritsner et al36 analyzed the impact of side effects of antipsychotic treatment on the quality of life of 161 schizophrenic inpatients stabilized on typical and atypical antipsychotics. Quality of life was measured using the Quality of Life Enjoyment and Satisfaction Questionnaire (QLES-Q).39 Patients with adverse events reported significantly less satisfaction with subjective feelings and general activities than patients without adverse events.

Methods Subjects Two groups of students

from 17 to 21 yea

Methods Subjects Two groups of students

from 17 to 21 years old were enlisted. Each group had 10 students. The first group (i.e., lowlanders) had students aged between 17 and 19 who were natives of Yunnan province, China, living continuously at 1700 m above sea level. #Volasertib in vivo randurls[1|1|,|CHEM1|]# The second group (i.e., highlanders) consisted of students aged between 17 and Inhibitors,research,lifescience,medical 21 who were dwelling at 3000 m or more above sea level in the highlands. The latter group of students had come to Yunnan as students in the university just 1 month prior to this study. The project had informed consent from all the students involved and had ethical approval from the hospital and university involved. Simple mental task of mathematics The students were asked to compute a short and easy mathematical question by heart after presented the question via a slide.

The simple question was in the form of X × Y + Z. While the students were computing, fMRI was performed on their brains. Apart from the lowlander and Inhibitors,research,lifescience,medical the highlander groups, five controls (age matched) were employed. Inhibitors,research,lifescience,medical These latter subjects were provided with slides of different sceneries while fMRI were performed on them. Image processing Processing and analysis of fMRI data was performed using the MATLAB software coupled with the Statistical Parametric Mapping 8 (SPM8) method developed by the Wellcome Department of Cognitive Neurology, University College London (http://www.fil.ion.ucl.ac.uk/spm/) as described previously (Yu et al. 2012). The steps are described briefly as follows. Images from each subject were realigned

with the first scanned image to correct for head movement artefacts during the fMRI. Coregistration was then performed Inhibitors,research,lifescience,medical to give information correlating functional Inhibitors,research,lifescience,medical and structural MRI data. Structural MRIs from all subjects were coaligned to generate a statistically averaged brain template. This template was used for the individual subject to whom MRI data were registered and followed by reslicing. The resulting voxel size was 2 mm × 2 mm × 2 mm. To improve the signal-to-noise ratio, the resliced fMRI data were smoothened using a Gaussian kernel of 8 mm. Image analysis The analytical method in this study was the same as that in our previous study (Yu et al. 2012). The fMRI data were estimated using the General Linear Model (GLM). For individual fMRI, 3-mercaptopyruvate sulfurtransferase a threshold P value of less than 0.05 (after family-wise error correction) was considered statistically significant during brain activation. For comparison between groups, a threshold P value of less than 0.001 (uncorrected) was considered statistically significant. Cluster sizes measuring 10 voxels were included for the analysis. Results The fMRI on control subjects looking at scenic pictures revealed positive sites on the parietal and visual areas (Fig. ​(Fig.1)1) with a small positive site around the central area (Fig. ​(Fig.

CDI is caused by ingested spores and is usually preceded by the u

CDI is caused by ingested spores and is usually preceded by the use of antibiotics which perturb the normal gut flora. The bacterium colonises the digestive tract and produces potent cytotoxins which damage the gut epithelium and cause its characteristic symptoms [4] and [5]. These range from mild, self-limiting diarrhoea to sometimes life-threatening pseudomembranous colitis and toxic megacolon [6]. A 19.6 kb Staurosporine chemical structure region (PaLoc) of the chromosome of C. difficile encodes its two principal virulence factors, toxins A (TcdA) and B (TcdB) [7]. Structurally, TcdA and TcdB are organised as complex, multi-domain proteins (see Fig. 1)

which define its multi-step action [8]. Sequence variations in the 19.6 kb region (PaLoc) of the chromosome, which encodes TcdA and TcdB have been identified and these variants, termed toxinotypes, result in sequence differences between the toxins [9] and [10]. Current antibiotics, while successful in treating the majority of CDI cases, are less effective at managing recurrent or severe CDI [11]. As a consequence, several alternative therapies are under development [12]. With respect to therapeutic strategies directed at TcdA and TcdB, a considerable evidence base suggests that antibody-mediated neutralisation of these toxins affords protection GSK1120212 against CDI [13] and [14].

These include passive immunisation studies [15], [16], [17], [18], [19] and [20] with antibodies to TcdA and TcdB and also vaccines designed to evoke a toxin-neutralising immune response to these toxins [21]. Recombinant vaccine candidates based on polypeptide fragments representing the C-terminal repeat regions of TcdA and TcdB have been the focus of a inhibitors number of studies [22], [23], [24], [25], [26], [27] and [28]. Previously, we described the administration of ovine antibodies, which potently neutralise TcdA and TcdB, as a potential therapeutic option for the treatment of severe CDI [18]. In the current study, we describe recombinant fragments derived from the C. difficile

toxins which can underpin the large-scale production of such therapeutic antibodies. Toxin regions critical to the generation of neutralising antibodies were also identified. C. difficile VPI 10463, CCUG 20309 were from the ATCC. C. difficile ribotype 027 (NCTC 13366) was a gift from the Anaerobe Reference also Laboratory, Cardiff and C. difficile ribotype 078 (clinical isolate) was obtained via the C. difficile Ribotyping Network (Southampton). These were toxinotyped and maintained as previously described [9] and [18]. TcdA and TcdB were purified from C. difficile strains by a modification [18] of a previously described protocol [29]. TcdA and TcdB gene constructs optimised for E. coli expression were synthesised (Entelechon GmbH) (supplemental Fig. S1) and incorporated into the pET28a vector system. E. coli BL21(DE3) and BL21 Star (DE3) (Invitrogen) were used as expression hosts for recombinant toxin fragments.

19 mL of alcohol into a drinking receptacle located between the t

19 mL of alcohol into a drinking receptacle located between the two levers and initiated a 5-sec timeout period. During the timeout, the house light was

turned off, a key light over the active lever was turned on, and white noise was emitted by a speaker. The beginning of the sessions was signaled by the illumination of a houselight located at the top of the self-administration chamber; at the end of the session, the houselight was turned off. When alcohol was left in the drinking receptacle after Inhibitors,research,lifescience,medical a self-administration session, it was measured and the volume was taken into account for intake calculation. Procedure Alcohol self-administration VX-770 ic50 training Rats were trained to self-administer alcohol as described previously

(Le et al. 1998; Le and Shaham 2002a). Briefly, they were initially provided with access to alcohol solutions and tap water for 30 min/day in drinking cages (30 × 18 × 18 cm) containing Richter tubes. Alcohol solutions were provided in increasing concentrations: Inhibitors,research,lifescience,medical 3% (w/v) for the first 5 days, 6% (w/v) for the next 5 days and 12% (w/v) for the next 10 days. Subsequently, operant self-administration of Inhibitors,research,lifescience,medical alcohol (12%) was initiated in 1-h daily sessions on a fixed ratio-1 (FR-1) 5-sec timeout reinforcement schedule for at least 5 days (1 h/day). The requirement for alcohol delivery was then increased to FR-2 for 5 days and then to Inhibitors,research,lifescience,medical FR-3 for at least 6 days, until the rats demonstrated 3 days of stable alcohol-taking behavior (variability of less than 20% of the mean). Animals that did not consume 0.4 g/kg alcohol during the limited access training conditions were excluded from analysis. We have found that animals that consume less than 0.4 g/kg are difficult to train to self-administer alcohol. Furthermore, stable and high lever

responding is critical in order to achieve a robust and reliable reinstatement effect. In the present experiments, about 85% of the animals achieved these criteria and were successfully trained Inhibitors,research,lifescience,medical to self-administer alcohol. Extinction of alcohol-reinforced until behavior The experimental procedures during the extinction sessions were the same as those during the self-administration sessions, with the exception that responding on the active lever did not lead to alcohol delivery, and the cue lights and speakers signaling delivery were disconnected. Tests for reinstatement commenced after 7–12 extinction sessions, after the rats reached the extinction criterion of fewer than 12 presses on the previously active lever during the 1 h session. During the last four extinction sessions prior to testing the rats received i.p. water vehicle injections to habituate them to the injection procedures. Test for reinstatement of alcohol seeking In Experiments 1, 2, 3, and 5, tests were conducted under the same conditions experienced during extinction.

Finally, long-term or maintenance treatment of late-life anxiety

Finally, long-term or maintenance treatment of late-life anxiety with medication has not been studied (although we are currently carrying out a study of maintenance effects of SSRI treatment in late-life GAD), and no augmentation strategies can be recommended with confidence. Combining medication and psychotherapy for late-life anxiety see more disorders The inadequacy of Inhibitors,research,lifescience,medical monotherapy is well known in mood and anxiety disorders, and combination treatments may be more effective.179 Antidepressants and CBT

have different mechanisms and may be able to treat different components of the illness.180,181 Combination treatment in older adults might best be carried out sequentially, rather than simultaneously initiated,

to maximize costeffectiveness and allow the patient and provider to focus sequentially on different aspects of Inhibitors,research,lifescience,medical treatment, rather than divide focus among multiple treatments and components of illness at once.182 The hope is that, with two treatments targeting the different facets of the illness, persistent residual features and relapse are less likely. Supporting this assertion, a recent review of meta-analyses concluded that psychotherapies involving Inhibitors,research,lifescience,medical cognitive and behavioral strategies for GAD are superior to nondirective therapy and pill placebo, and equivalent to pharmacotherapy in the acute phase of treatment, with Inhibitors,research,lifescience,medical robust effects extending as far as 10 years following discontinuation of treatment.183 In one study of anxious

older adults, benefits of CBT were increased at 1-year follow-up in patients who had been treated for at least 3 months with medications prior to receiving CBT, suggesting that sustained or increasing gains are possible for older adults receiving CBT for anxiety following Inhibitors,research,lifescience,medical an acute course of pharmacotherapy.184 The strategy of sequencing medication with CBT is controversial in the anxiety disorders.185,186 Pharmacotherapy might interfere with the challenging of catastrophic beliefs during psychotherapy, individuals treated with medications may be less motivated to engage in psychotherapy, and psychotherapy in the context of medications may result in state-dependent learning that does not persist after the medication is discontinued.187,188 Because of this, we are currently testing Resveratrol the strategy of sequenced medication and CBT within a controlled study design. Future directions in treatment development: new targets and one large barrier The preceding sections raise several avenues for novel treatment development. Our findings with cortisol in late-life GAD are summed up as such: elevated cortisol is associated with GAD, is reducible with treatment, and when reduced during treatment is associated with neuropsychological improvements (in memory).

The expression of meningococcal LPS has previously been shown to

The expression of meningococcal LPS has previously been shown to be affected by growth conditions [44]. Gefitinib This antigen induces bacterial antibodies in mice [35] but can also act as an Modulators adjuvant through the induction of a TLR4-dependent response [45]. In the present study, LPS production was elevated in the OMVs produced in MC.6M and may, therefore, have enhanced the ability of these OMVs to elicit a bactericidal antibody response. This study demonstrated that changes in the composition

of the growth medium used for the production of OMV vaccines affected the expression of both protein and LPS antigens and hence the ability of the vaccines to elicit a functional antibody response. It also highlights the utility of proteomic technology for monitoring the impact of changes in the manufacturing process of complex Selleck Bafilomycin A1 biological products like meningococcal OMV vaccines. Information on the protein composition of the 44/76 OMV vaccine may be useful for future reference and quality control studies. We are grateful to R. Sivaperuman, K. Konsmo, and to J. Lyngby and K. Bryn, all at Norwegian Institute of Public Health, for help with the cultivations for performing the SBA, and for determination of LPS with HPLC, respectively; to S. Frye, Institute of Microbiology, University of Oslo, Norway, for sequencing of the OpcA promoter,

and to D. Ala’Aldeen, M. Bos, A. Gorringe, G. Guillén, B. Kuipers, C.T. Sacchi, C. Tinsley, P.C.

Turner, and W. D. Zollinger for the gift of specific antibodies. The Norwegian MenB vaccine study was supported by EC-grant QLRT-CT-1999-00359. N. Tsolakos and C. Vipond acknowledge the financial support from NIBSC for their Ph.D. studentships. Parts of the study were published as abstracts at International Pathogenic Neisseria Conferences in 2002 and 2008. “
“Plague is a zoonotic disease caused by Yersinia pestis and assumes three forms of disease in humans: bubonic, septicemic, and pneumonic. Bubonic and septicemic plague arise from flea bites in which this vector has previously fed on infected animals [1] and [2]. Without treatment, even bubonic plague results in high mortality, as does septicemic plague, and also causes secondary pneumonic plague [3]. Pneumonic plague is considered the most infectious form Edoxaban because this disease can be readily transmitted from person to person via inhalation of contaminated airborne droplets, and because of its rapid disease progression, there is a high mortality rate [3]. Throughout history, three major pandemics of plague disease have resulted in an estimated 200 million deaths, and plague still remains endemic in regions of Africa, Asia, and North and South America [1] and [2]. Therefore, development of efficacious vaccines for plague is warranted. At present, there are no licensed plague vaccines in the United States.