J Int Soc Sports Nutr 2009, 6:6 PubMedCrossRef 66 Knop K, Hoogen

J Int Soc Sports Nutr 2009, 6:6.PubMedCrossRef 66. Knop K, Hoogenboom R, Fischer D, Schubert US: Poly(ethylene glycol) in drug delivery: pros and cons as well as potential alternatives. Angew Chem Int Ed Engl 2010, 49:6288–6308.PubMedCrossRef 67. Camic CL, Hendrix CR, Housh TJ, Zuniga JM, Mielke M, Johnson GO, Schmidt RJ, Housh DJ: The effects of polyethylene https://www.selleckchem.com/products/kpt-330.html glycosylated creatine supplementation on

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Results and discussion Conductive atomic force microscopy (c-AFM)

Results and discussion Conductive atomic force microscopy (c-AFM) has been used to investigate conductivity, as seen in Figure 3. Changing the matrix from SiO2 to SiC greatly increases current (I) and decreases threshold voltage (V), according to comparisons

of the 2D arrays of Si-NDs. Although a primary factor should be macro-conductivity differences between SiC and SiO2, one cause is minibands that enhance conductivity, which was revealed in a later theoretical simulation. More significantly, conductivity became higher as the arrangement was changed from a single Si-ND to 2D and 3D arrays with the same matrix of SiC, i.e., the coupling of wave functions was changed. Note that conductivity in the 3D array was higher than that in the 2D array, even though the total thickness of the QDSL expanded. These results indicate that the formation of minibands both in-plane and out-of-plane (vertically) LOXO-101 cell line might enhance carrier conductivity in QDSLs. Figure 3 I – V curves of single Si-ND, 2D, and 3D arrays of 4SC-202 molecular weight Si-NDs measured by c-AFM. Red, blue, and green lines plot results for the 3D array, 2D array,

and single Si-ND with SiC matrix. Black line plots the results for 2D array Si-NDs with SiO2 matrix. We considered resonant tunneling to be a theoretical mechanism that could explain our experimental results on the basis of these results. Therefore, we theoretically investigated enhanced conductivity due to the formation of minibands. Our developed top-down nanotechnology HM781-36B research buy achieved great flexibility in designing parts for the quantum structure, such as the independently controllable diameter and thickness, high aspect ratio, and different matrix materials. The finite element method duly described the complex quantum structures. The electronic structure and wave function within envelope function theory are presented as. (1) Here we mainly took into consideration

the matrix material, realistic geometry structure, and number of stacking 4-Aminobutyrate aminotransferase layers. The results are presented in Figure 4. A distinct feature is that electron wave functions are more strongly confined in the Si-NDs in the SiO2 matrix due to the higher band offset of the Si/SiO2 interface. Thus, they resulted in higher quantum levels. In addition, stronger confinement means weaker coupling of the wave function and narrower minibands in the same geometry alignment. By stacking our NDs from one layer to ten layers, the miniband in Figure 5 gradually broadens, and at around four to six layers, the miniband width seems to saturate. The probability of the wave function diffusing into the barrier exponentially reduces with distance, which indicates that wave function coupling exponentially saturates as the number of layers increases. Perhaps four- or six-layer NDs are sufficient to maximize the advantage of minibands. Figure 4 Calculated results for electron spatial possibilities. In three lateral coupled NDs and miniband width in 2D array of Si-NDs.

Redox Rep 1999, 4:53–59 PubMedCrossRef 35 Buczynski A, Kedziora<

Redox Rep 1999, 4:53–59.PubMedCrossRef 35. Buczynski A, Kedziora

J, Tkaczewski W, Wachowicz B: Effect of submaximal physical exercise on antioxidative protection of human blood platelets. Int J Sports Med 1991, 12:52–54.PubMedCrossRef 36. Fatouros IG, Jamurtas AZ, Villiotou V, Pouliopoulou S, Fotinakis P, Taxildaris K, Deliconstantinos G: Oxidative stress responses in older men during endurance training and detraining. Med Sci Sports Exerc 2004, 36:2065–2072.PubMedCrossRef 37. Chen MF, Hsu HC, Lee YT: Effects of acute exercise on the changes of lipid profiles and peroxides, prostanoids, and platelet activation in hypercholesterolemic patients before and after treatment. Prostaglandins 1994, 48:157–174.PubMedCrossRef 38. Elosua R, Molina L, Fito M, Arquer A, Sanchez-Quesada JL, Covas MI, Ordonez-Llanos J, Marrugat J: Response of oxidative stress biomarkers to a 16-week aerobic physical activity click here program, and to acute physical activity, in healthy young men and women.

Atherosclerosis 2003, 167:327–334.PubMedCrossRef 39. Keles M, Al B, Gumustekin K, Demircan B, Ozbey I, Akyuz M, Yilmaz A, Demir E, Uyanik A, Ziypak T, et al.: Antioxidative status and lipid peroxidation in kidney tissue of rats fed with vitamin B(6)-deficient diet. Ren Fail 2010, 32:618–622.PubMedCrossRef 40. Choi EY, Cho YO: Effect of vitamin B(6) deficiency on antioxidative status in rats with exercise-induced oxidative https://www.selleckchem.com/products/poziotinib-hm781-36b.html stress. Nutr Res Pract 2009, 3:208–211.PubMedCrossRef 41. Paschalis V, Koutedakis Y, Baltzopoulos V, Mougios V, Jamurtas AZ, Theoharis V: The effects of muscle damage on running economy in healthy males. Int J Sports Med 2005, 26:827–831.PubMedCrossRef 42. Mastaloudis A, Traber MG, Carstensen K, Widrick JJ: Antioxidants did not prevent muscle damage in response

to an ultramarathon run. 17-DMAG (Alvespimycin) HCl Med Sci Sports Exerc 2006, 38:72–80.PubMedCrossRef 43. Hartmann U, Mester J: Training and overtraining markers in selected sport events. Med Sci Sports Exerc 2000, 32:209–215.PubMedCrossRef 44. Mougios V: Reference intervals for serum creatine kinase in athletes. Br J Sports Med 2007, 41:674–678.PubMedCrossRef 45. Brancaccio P, Maffulli N, Limongelli FM: Creatine kinase monitoring in sport medicine. Br Med Bull 2007, 81–82:209–230.PubMedCrossRef 46. Miles MP, Pearson SD, Alvocidib chemical structure Andring JM, Kidd JR, Volpe SL: Effect of carbohydrate intake during recovery from eccentric exercise on interleukin-6 and muscle-damage markers. Int J Sport Nutr Exerc Metab 2007, 17:507–520.PubMed 47. Margaritis I, Tessier F, Verdera F, Bermon S, Marconnet P: Muscle enzyme release does not predict muscle function impairment after triathlon. J Sports Med Phys Fitness 1999, 39:133–139.PubMed 48. Vincent HK, Vincent KR: The effect of training status on the serum creatine kinase response, soreness and muscle function following resistance exercise. Int J Sports Med 1997, 18:431–437.

Coupling the specificity of phage-selected α-La1 scFv with FACS a

Coupling the specificity of phage-selected α-La1 scFv with FACS allowed precise manipulation of a population on a per-cell basis, making possible the sufficient enrichment of L. acidophilus for >99.8% genome coverage using both reference mapping and de novo assembly. While it is common to observe this level of coverage for de novo assembly when the target organism is cultured prior to sequencing in the laboratory, #Idasanutlin mw randurls[1|1|,|CHEM1|]# the level of coverage reported here for a bacteria extracted from an environmental sample is exceptional. For sequencing, we easily and rapidly sorted 50 L. acidophilus cells from an environmental sample (yogurt) where L. acidophilus comprised

~0.2% of the population and were able to rapidly detect and quantify L. acidophilus at ~0.1% in a mock community comprising nine other species. Although we only tested compositions as low as ~0.1%, we are confident that L. acidophilus could be identified from mixtures where it is even lower in relative abundance with detection limited solely by the total number of cells available in a mixture and time available for sorting. While detection and enrichment selleck products of rare species is an obvious use of these antibodies, depletion of common species may be equally important, as bias towards high abundance species is a well-known issue

when performing shotgun metagenomics [54–57] and, potentially, non-targeted single cell genomics. Our single cell analysis shows that L. acidophilus is completely depleted from the sample in the negative sort gate (P2; Figure 4), demonstrating the feasibility of both depletion and enrichment. Chlormezanone Separation methods, namely immunoprecipitation, micromanipulation, and flow cytometry have been described to improve genome sequencing, and the approach described here may also be applicable to other microbes

found in microbiomes without being limited to organisms with innate fluorescence [58], distinct morphology and/or high genome copy number [43]. In this study we generated a scFv against an organism that can be cultured in the lab as a demonstration that recombinant antibodies can be raised against a specific organism and used to dissect, phylotype, and recover complete genomes for organisms from microbial communities. We used an organism with a reference genome in order to accurately assess genome coverage. Future studies will involve selecting antibodies directly against uncultivable organisms within complex microbiomes. We provide proof of principle, using selection against a mock community, that such an approach is potentially feasible: HCDR3 sequences of three of the antibodies selected against the pure culture were identical to those of antibodies selected against the mock community.

J Am Anim Hosp Assoc 1995, 31: 467–472 PubMed 18 Nahrwold D: Tex

J Am Anim Hosp Assoc 1995, 31: 467–472.PubMed 18. Nahrwold D: Textbook of Surgery: The Biological Basis of Modern Surgical Practice. Philadelphia: W. B. Saunders; 1991. 19. Anwer MS, Meyer DJ: Bile acids in the diagnosis, pathology, and therapy of hepatobiliary diseases. Vet Clin North Am Small Anim Pract 1995, 25: 503–517.PubMed 20. Klinkspoor JH, Yoshida T, Lee SP: Bile salts stimulate mucin secretion by cultured dog gallbladder epithelial cells independent of their detergent effect. Biochem J 1998, 332: 257–262.PubMed 21. Mesich

ML, Mayhew PD, Paek M, Holt DE, Brown DC: Gall bladder mucoceles and their association with endocrinopathies Fedratinib research buy in dogs: a retrospective case-control study. J Small Anim Pract 2009, 50: 630–635.CrossRefPubMed 22. Walter R, Dunn ME, d’Anjou MA, Lecuyer M: Nonsurgical

resolution of gallbladder mucocele in two dogs. J Am Vet Med Assoc 2008, 232: 1688–1693.CrossRefPubMed Competing interests The authors declare that a patent application has been filed by Washington State University listing two of the authors as inventors (KLM, JDM). Authors’ contributions JDM performed Sirolimus experiments; JSM and KRS assisted in acquiring and interpreting data; SNW performed statistical analysis; KLM conceived and designed the research project. All authors made critical revision of the manuscript for important intellectual content. All authors read and approved the final manuscript.”
“Background From an evolutionary perspective, circadian systems have conferred a survival advantage by optimizing behavioral and physiological adaptations to periodic events that occur approximately each 24 h. An ultimate goal of this adaptation is to enhance the reproductive success and life span by allowing more effective access to nutritional resources [1, second 2]. The vertebrate circadian system results from the coordinated action of a light-entrained master pacemaker located in the suprachiasmatic nucleus (SCN) of the hypothalamus, and a set of subordinated clocks in selleck kinase inhibitor peripheral organs [3].

The 24-h programs of the central and peripheral oscillators are based on similar, but not identical, molecular transcription-translation feedback loops [4]. The normal timing between the principal and the peripheral clocks can be disrupted when activity, sleep, or feeding patterns are altered [5]. An example of this situation happens when feeding is restricted to short periods of time, particularly in experimental protocols in which food is offered during the daytime to nocturnal rodents. In this condition, the peripheral clocks become independent of SCN rhythmicity, and the circadian system is no longer entrained by light but primarily by the effects of the scheduling of meal-feeding [6, 7].

However, more participants are needed to improve statistical powe

However, more participants are needed to improve statistical power and support these results. Funding This study was supported by product donation from Vital Pharmaceuticals, Inc., Davie, FL.”
“Background Creatine is an endogenous guanidine compound found in the skeletal muscles and plays an important role in the metabolism of proteins. A perusal of the information

available on the Internet concerning creatine revealed that its activity receives a great deal of attention, with much speculation about its ability to increase lean body mass, high-intensity power output, and strength in humans. Many of the entries available on the World Wide Web come from vendors of creatine. However, creatine differs from many other dietary supplements because its use is advocated by many physicians for many indications. Clinical laboratory monitoring of creatine NVP-BSK805 learn more therapy is currently available and uses HPLC-UV. The plasma creatine concentration increases following oral administration of creatine supplement, and the degree of increase is related positively to the dosage. A method has been developed for the determination of creatine in dietary supplements by using

ion pair chromatography (IPC) with UV detection. The objectives of this study were (1) to determine the content of creatine in over-the-counter (OTC) dietary supplements, and (2) to evaluate the stability of creatine in aqueous solutions during storage. SB202190 Methods Samples were dissolved in type II water to obtain an initial creatine concentration of 10 mg/mL.

The final creatine concentration in solutions was 1 mg/mL. Two such solutions were kept at room temperature and 2 others at refrigerated condition. Samples were collected on day zero, day 1, day 2, day 7, day 14, day 21, and day 28. Creatine concentration in the diluted sample was determined by IPC. The internal standard used was guanidinoacetic acid (GAA). 20µL of sample was injected onto the IPC. Separations of creatine, GAA and creatinine were achieved by using a 5-µm reversed-phase C18 column (250 x 4.6 mm) and a mobile phase consisting of phosphate buffer (pH = 2.8, 0.045 M), methanol, Morin Hydrate sodium dodecyl sulfate, and acetonitrile. The flow rate of IPC run was at 1 mL/min and column temperature at 35°C. Peaks of creatine, GAA and creatinine were monitored at 198 nm. Results The method achieved a linear concentration range of 0.01-2 mg/mL. The limit of detection was 0.003 mg/mL. Both within-run and between-run precision for three controls (0.4, 0.8, and 1.6 mg/mL) were lower than 5%. Analytical recoveries were greater than 95%. Some of the OTC products tested contained lower contents of creatine in contrast to their label claims. Greater degradation occurred in room temperature samples as compared with the refrigerated ones. Sixty percent degradation was observed within 28 days for room temperature samples in citric acid solution. However, at refrigerated condition this degradation was around 40%.

Studying heat responses, Jacobson and Rosenbuch [61] reported tha

Studying heat responses, Jacobson and Rosenbuch [61] reported that large quantities of EF-Tu molecules in cells might constitute a reservoir of chaperone-like molecules that prevent the aggregation of non-native proteins until permissive renaturation conditions are restored. The shift of the activities of transport of aminoacyl-tRNA to the aminoacyl ribosome site and as chaperone of EF-Tu is dependent on the binding of this factor with GTP or GDP. Considering the efficiency of chaperone activity, [57] showed that the elongation

factor EF-Tu when bonded with GDP had greater capacity of stimulating renaturation of enzymes than when interacting with GTP. In contrast, Kudlicki and collaborators [62] found that EF-Tu bonded with GDP is less active than when it is bonded with GTP in catalyzing protein renaturation. Still, in that study, the authors reported that the EF-Ts elongation factor Lazertinib supplier plays a similar role as GTP, suggesting that in the presence of these cofactors—EF-Ts or GTP—EF-Tu can perform

several BIX 1294 concentration rounds of protein renaturation. These divergent studies indicate that the EF-Tu chaperonin activity is dependent on the specific protein in which the protection will be promoted. Interestingly, in our study, both elongation factors—EF-Tu and EF-Ts—were up-regulated under heat stress. Both the elongation factor EF-G and the initiation factor IF2 were also found to act as chaperone proteins [58]. These factors are involved in the translocation of ribosomes on mRNA and in the binding of initiator tRNA to the 30 S ribosomal subunit, respectively [63]. EF-G bound to GDP, instead CYTH4 of to GTP, seems to be more active in the

formation of stable complexes with unfolded proteins, assisting in protein folding and renaturation [52]. Finally, the chaperone properties of EF-Tu, EF-G, and IF2 suggest that translation factors are ancestral protein-folding factors that appeared before chaperones and protein-disulfide isomerases [58]. Cross-talk between heat and oxidative stress Reactive oxygen species (ROS) are by-products of normal metabolic processes, but at high levels may be lethal for cells. However, in both symbiotic and see more pathogenic relations, transient production of ROS, detected in the early events of plant-microorganism interactions, may be considered as specific signals during the interaction process [64]. Previous studies have reported the accumulation of ROS in early stages of Rhizobium/legumes symbiosis establishment [65–67]. Therefore, the ability of the bacteria to tolerate and overcome the changes in the environment induced by the plant host seems to be important for the establishment of a successful symbiotic interaction [68]. To detoxify ROS, symbiotic bacteria display a multiple antioxidant defense that is required for both the development and the functioning of the symbiosis [69]. Fernando et al.

Two emm12 and one emm22 isolates were distant from the major emm1

Two emm12 and one emm22 isolates were distant from the major emm12 and emm22 clusters (Figure 2). The 127 SmaI-resistant isolates were identified to be of emm12, emm1

or emm58 type. Figure 2 Dendrogram constructed with PFGE- Sma I patterns, with their corresponding emm types and number of isolates obtained between 2000 and 2006. The clustering A-1210477 solubility dmso analysis was performed with BioNumerics using the UPGMA algorithm and the value of Dice predicted similarity of two patterns at settings of 1% optimization and 0.7% position tolerance. In total, 94 emm:PFGE-SmaI genotypes were identified in the 1,218 isolates. Eight major emm:PFGE genotypes, emm1:SPYS16.0022 (14.9%), emm4:SPYS16.0006 (11.7%), emm4:SPYS16.0008 (8.1%), emm4:SPYS16.0083 (2.6%), emm6:SPYS16.0020 (2.7%), emm12:SPYS16.0013 (29.6%), emm12:SPYS16.0026 (10.3%) and emm12:SPYS16.0087 (2.3%), made up 82.2%

of the 1,218 isolates. Five of the major emm:PFGE genotypes were detected throughout the seven years studied. In contrast, most emm:PFGE genotypes lasted for only 1–2 years; they emerged in the population and quickly disappeared. The 127 SmaI-resistant isolates were discriminated by PFGE with SgrAI into 14 emm12:PFGE-SgrAI, 1 emm1:PFGE and 1 emm58:PFGE types. The 125 emm12 isolates were distributed in two distinct clusters, Trichostatin A cost A and B (Figure 3). Strains within cluster A were quite divergent, Branched chain aminotransferase with the most divergent types sharing only 65% pattern similarity. Figure 3 Dendrogram constructed with PFGE- SgrA I patterns, with their corresponding emm types and number of isolates. DNA from these isolates was resistant

to SmaI digestion. The clustering analysis was performed with BioNumerics using the UPGMA algorithm and the value of Dice predicted similarity of two patterns at settings of 1% optimization and 0.7% position tolerance. Distribution of prevalent emm clones over time In this study, a cluster of strains (as defined by PFGE types) having a common emm type and sharing higher PFGE pattern similarity than others with different emm types were considered to belong to a common emm clone. The stIL103 strain is an exception to this, as it INCB018424 mw shared high PFGE pattern similarity with the cluster of emm1 strains and was therefore considered to be part of the emm1 clone. Based on the groupings made by the PFGE patterns, six major emm (emm1, emm4, emm6, emm12, emm12* and emm22) clones were identified and are shown in Figure 2. The emm12* clone represents the emm12 strains with DNA resistant to SmaI digestion. The six major emm clones made up 96.5% of the 1,218 isolates. The adjusted number of the annual confirmed cases of scarlet fever in central Taiwan ranged from 142 to 282 between 2000 and 2006 (Table 1), and 115 to 273 isolates were collected each year for genotyping.

The plasmon band shifts to higher values with the increase of tom

The plasmon band shifts to higher values with the increase of tomato concentration in the aqueous extract. At concentrations higher than this, the plasmon band shifts to 540 nm, and the extinction coefficient of the band decreases appreciably. Here, the tomato extract of 5:5 composition has been used throughout. Figure 2 UV–VIS absorption spectra of GNP at different compositions of tomato extract and SDS capped GNP in learn more alkaline medium. UV-VIS spectra of (A) GNP at different compositions and (B) SDS-capped GNP. Insets

are digital photographic images of A and B. Shifting of gold plasmon band to the higher value may be explained as follows: tomato extract is a strong reducing agent but not a good capping agent. So, it Fosbretabulin concentration induces rapid nucleation but cannot restrict find more the growth of gold nanoparticles. Hence, polydispersed gold nanoparticles are observed. When we use tomato extract (100%), the band shifts to 540 nm and the extinction coefficient decreases appreciably.

This might be due to colloidal instability. The polydispersity and the colloidal instability (agglomeration tendency of gold nanoparticle) may be the reason for a broad spectrum of gold sol along with a shift in the peak position. The shifting of the peak position may be related to the increase of the size of gold nanoparticles. To examine the sensor properties of the GNP, the solution was made ID-8 alkaline by adding different amounts of NaOH (0.15 (M)). For these studies, the pH of the solution was maintained near 9 to 9.5 by adjusting the amount of NaOH in the solution, and a surfactant SDS was added to stabilize the medium. Here, SDS acts as a capping agent, due to which the SPR band shifts to 532 nm (Figure 2B). A comparatively sharp spectrum with absorbance at 532 nm was observed in this case. This can be explained from the fact that SDS, being a strong capping agent, stabilizes the gold nanoparticles as soon as nucleation happens and so restricts the maximum size of the nanoparticles. As a result, we obtained nearly

monodispersed GNP. Methyl parathion was added to these alkaline solutions containing SDS in varying concentrations ranging from 10 to 200 ppm, and the change of absorption coefficient was observed. As soon as methyl parathion was added, we observed a new peak at around 400 nm in addition to the peak found at 532 nm. More interestingly, absorbance at 400 nm, the newly found peak, is seen to increase when the concentration of methyl parathion increased from 10 to 200 ppm (Figure 3A). Figure 3 UV–vis spectra of GNP and with methyl parathion, calibration curve (absorbance versus methyl parathion), and control spectrum. (A) UV–vis spectra of GNP and GNP with various concentrations of methyl parathion 10 to 200 ppm; (inset) digital photographic images of color changes due to addition of methyl parathion.

enterocolitica WA or Y pestis Ind195 at MOI 1 and 20, respective

enterocolitica WA or Y. pestis Ind195 at MOI 1 and 20, respectively, for 1 h. Following stimulation with 10 ng/ml TNF-α at 5 h post-infection, luciferase activity was measured 24 h post-infection. Results were determined from two independent experiments performed in triplicate. A ‘*” denotes that the % NF-κβ inhibition using the inhibitors was significantly different (p<0.05) compared to the no drug control (black).

The relative NF-κB inhibition by Yersinia infection was determined as a percentage of luciferase HM781-36B solubility dmso activity in bacteria-infected cells relative to luciferase activity in bacteria-free control cells. (B) THP-1 cells were pretreated with the small molecules and infected with Y. enterocolitica WA or Y. pestis Ind195 at MOI 5 and 20, respectively, for 1 h. TNF-α levels were determined by ELISA on conditioned

media collected 24 h post-infection. Results were determined from two representative independent experiments see more performed in quadruplicate. A ‘*” denotes that TNF-α release using inhibitors was significantly different (p<0.05) compared to the no drug control. Cytokine release in response to purified LPS from E. coli 055:B5 (5μg/ml, light blue) was used as a control for pro-inflammatory mediator signaling. (C) Normal HDC were pre-treated with the small molecules for 18 h prior to infection with Y. enterocolitica WA or Y. pestis KIM5-. Bacterial infection was stopped 1 h BAY 80-6946 supplier post-infection with 170 μg/ml chloramphenicol. TNF-α levels were determined by ELISA on conditioned media collected 24 h post-infection. Statistical analysis was performed on data from 3 experiments performed in quadruplicate. TNF-α release in response to all inhibitor treatments were statistically significant (p<0.05) compared to no drug controls. We also tested the effect of the small molecule TBB, an inhibitor of the CKII Megestrol Acetate serine

kinase, which functions in cell stress response, cell cycle and cell growth regulation by activation of IKK. CKII also regulates expression of HSPH1, another stress response gene identified in our shRNA screen [26]. Similar to OSI930, pretreatment of RE-luc2P-HEK293, THP-1, and NHDC cells with TBB resulted in higher levels of NF-κB-regulated gene expression and TNF-α release compared to a no drug control, in response to both Y. enterocolitica and Y. pestis infection (Figure 3A-C, blue vs black bars). The small molecule CKI-7 was used to validate the role of SGK1 (serum and glucocorticoid-inducible kinase 1) on NF-κB-regulated gene expression in response to Yersinia infection. SGK1 is a serine/threonine kinase that functions in cellular stress response and regulates activity of the epithelial sodium channel ENaC [27, 28], a function shared with WNK1, another kinase identified from the shRNA screen. Incubation of RE-luc2P-HEK293 cells with CKI-7 resulted in increased NF-κB-mediated luciferase activity upon exposure of Y. enterocolitica and Y. pestis-infected cells to TNF-α (Figure 3A, purple vs black bars).