As nanowire size decreases, thermoelectric properties of nanowire

As nanowire size decreases, thermoelectric properties of nanowires can be enhanced. As a result, triangular nanowires with

side length of 1 nm have the best results of ZT and it can be enhanced to 1.5 and 0.85 for an n-type nanowire along [111] orientation and a p-type nanowire along [100] orientation, respectively. For extremely narrow nanowires, thermoelectric properties are only dependent on selleck compound the number of the transmission modes instead of material properties such as carrier effective mass. Moreover, cross-section shape and thermal conductance contributed by electrons play important roles in ZT while their influence can be ignored for large size nanowires. Even though smaller size nanowires have better performance with the consideration of the single nanowire thermoelectric properties, they might be less efficient than larger diameter nanowires, as packing space is not very dense. (C) 2010 American Institute of Physics. [doi:10.1063/1.3273485]“
“LY500307 is a selective estrogen receptor beta (ER) agonist that was developed for the treatment of benign prostatic hyperplasia. The in vitro functional selectivity of LY500307 for ER agonist activity is 32-fold above the activity at the alpha receptor (ER). LY500307

was evaluated in a series of male (M) and female (F) rat MDV3100 fertility and rat and rabbit embryo-fetal development (EFD) studies, using 20 or 25 animals/group. LY500307 was administered daily by oral gavage starting 2 weeks (F) or 10 weeks (M) 432 before mating, during cohabitation, until necropsy (M) or through gestation day (GD) 6 (F) in the fertility studies and from GD 6 to 17 (rats)

or GD 7 to 19 (rabbits) in the EFD studies. Dosage levels of LY500307 ranged from 0.03 to 10 mg/kg/day for rats and from 1 to 25 mg/kg/day for rabbits. Fertility, estrous, maternal reproductive endpoints, conceptus viability, sperm parameters, organ weights, and histopathology were evaluated in the fertility studies. Maternal reproductive endpoints and fetal viability, weight, and morphology were evaluated in the Selleckchem HM781-36B EFD studies. Toxicokinetics were assessed in satellite animals. At 10 mg/kg/day in the male fertility study, findings included decreased body weight (BW); food consumption (FC); fertility, mating, and conception indices; sperm concentration; and reproductive tissue weight (associated with atrophic histologic changes). In the female fertility study, effects included decreased BW and FC at 0.3 mg/kg/day and persistent diestrus, delayed mating, and reduced fertility/conception indices at 3 mg/kg/day. In the rat EFD study, findings included decreased maternal BW and FC and increased incidences of adverse clinical signs, abortion, maternal mortality/moribundity, postimplantation loss, and fetal skeletal variations at 3 mg/kg/day.

4 patients received 8 weekly infusions

432 patients received 8 weekly infusions of nimotuzumab. The first nimotuzumab infusion was administered 1 week before starting radiation, whereas the remaining doses were administered concomitantly with irradiation. Paired biopsies find more were taken from skin and primary tumors, before (pretherapy) and 1 week (on single-agent therapy) after first infusion. Immunohistochemistry was conducted to assay the effects of nimotuzumab on total and phosphorylated

EGFR, phosphorylated extracellular signal-regulated kinase 1/2 (p-ERK1/2), p-AKT, and proliferation (Ki-67).\n\nResults: Nimotuzumab was well tolerated and there was no evidence of skin rash. Objective response was achieved in AP26113 molecular weight 9 of 10 patients. The pharmacodynamic assays showed inhibition of p-EGFR in both skin and tumor (P = 0.042 in skin and P = 0.034 in tumor). No significant changes in p-ERK1/2, p-AKT, or Ki-67 were detected in skin. In addition, lymphocytic infiltrates, folliculitis, or perifolliculitis were not observed. In tumor samples, there was an upregulation of p-AKT (P = 0.043), a reduction

in proliferation index (P = 0.012), and a nonsignificant trend toward a decrease of p-ERK1/2 (P = 0.091).\n\nConclusions: The pharmacodynamic data confirmed the ability of nimotuzumab to decrease EGFR phosphorylation. Downstream effects were observed in tumor cells but not in skin, a finding that may help to explain the lack of skin rash in patients treated with nimotuzumab. Clin Cancer Res; 16(8); 2474-82. (C) 2010 AACR.”
“Our LY2157299 ic50 previous study showed that hypermethylation of dimethylarginine dimethylaminohydrolase

2 contributes to homocysteine-induced apoptosis of human umbilical vein endothelial cells. Epigallocatechin-3-gallate is a green tea-derived phenol which has been proved beneficial on atherosclerosis. It was demonstrated that epigallocatechin-3-gallate inhibits DNA methyltransferase activity and reactivates methylation-silenced genes in cancer cells. The aim of this study was to address whether epigallocatechin-3-gallate could induce DNA demethylation of the dimethylarginine dimethylaminohydrolase 2 gene, contributing to prevent endothelial cells from apoptosis induced by homocysteine. Human umbilical vein endothelial cells (ATCC, CRL-2480) were treated with homocysteine (1mM) for 48 hours with or without epigallocatechin-3-gallate (20 mu M) or 5Aza (DNA methyltransferase inhibitor, 5 mu M). Apoptosis rate of human umbilical vein endothelial cells was assayed by flow cytometry with an annexin V-FITC apoptosis detection kit. The mRNA and protein expression level of dimethylarginine dimethylaminohydrolase 2 and DNA methyltransferase 1 were detected by real-time PCR and Western blot, respectively. DNA methylation level of dimethylarginine dimethylaminohydrolase 2 was assayed by methylation specific PCR.

Methods Using a deterministic approach, we merged EMS data fr

\n\nMethods Using a deterministic approach, we merged EMS data from the North Carolina Pre-hospital Medical Information System (PreMIS) with data from the Reperfusion

selleck screening library of Acute Myocardial Infarction in Carolina Emergency Departments-Emergency Response (RACE-ER) Project. Our sample included all patients with STEMI from June 2008 to October 2010 who arrived by EMS and who had primary percutaneous coronary intervention (PCI). Prehospital system delays were compared using both RACE-ER and PreMIS to examine agreement between the 2 data sources.\n\nResults Overall, 8,680 patients with STEMI in RACE-ER arrived at a PCI hospital by EMS; 21 RACE-ER hospitals and 178 corresponding EMS agencies across the state were represented. Of these, 6,010 (69%) patients were successfully linked with PreMIS. Linked and notlinked patients were similar. Overall, 2,696 patients were treated with PCI only and were taken directly to a PCI-capable hospital by EMS; 1,750 were transferred from a non-PCI facility. For those being transported directly to a PCI center, 53% reached the 90-minute target guideline goal. For those transferred from a non-PCI facility, 24% reached the 120-minute target goal for primary

PCI.\n\nConclusions We successfully linked prehospital EMS data with inhospital clinical data. With this linked STEMI cohort, less than half of patients reach goals set by guidelines. Such a data source could be used for future research www.selleckchem.com/products/hsp990-nvp-hsp990.html and quality improvement AZD4547 manufacturer interventions. (Am Heart J 2013;165:363-70.)”
“Binding of urokinase-type plasminogen activator (uPA) to its receptor, uPAR, in estrogen receptor-alpha (ER alpha) expressing breast 4 cancer cells, transiently activates ERK downstream of FAK, Src family kinases, and H-Ras. Herein, we show that when uPAR is over-expressed, in two separate ER alpha-positive breast cancer cell lines, ERK activation occurs autonomously of uPA and is sustained. Autonomous ERK activation

by OAR requires H-Ras and Rac1. A mutated form of uPAR, which does not bind vitronectin (uPAR-W32A), failed to induce autonomous ERK activation. Expression of human uPAR or mouse uPAR but not uPAR-W32A in MCF-7 cells provided a selection advantage when these cells were deprived of estrogen in cell culture for two weeks. Similarly, MCF-7 cells that express mouse uPAR formed xenografts in SOD mice that survived and increased in volume in the absence of estrogen supplementation, probably reflecting the pro-survival activity of phospho-ERK. Autonomous uPAR signaling to ERK was sensitive to the EGFR tyrosine kinase inhibitors, Erlotinib and Gefitinib. The transition in uPAR signaling from uPA-dependent and transient to autonomous and sustained is reminiscent of the transformation in ErbB2/HER2 signaling observed when this gene is amplified in breast cancer. uPAR over-expression may provide a pathway for escape of breast cancer cells from ER alpha-targeting therapeutics. (C) 2012 Elsevier Inc. All rights reserved.

In addition, the white matter remodeling, behavioral scores, and

In addition, the white matter remodeling, behavioral scores, and expressions of vascular endothelial growth factor and brain-derived neurotrophic factor were significantly increased in diabetic mice treated with both EPCs and RWJ. Conclusions The combination of EPC transplantation and RWJ administration accelerated recovery from diabetic stroke, which might have been caused by increased LY3023414 datasheet levels of proangiogenic and neurotrophic factors.”
“We present a model for the study of injury-induced neurogenesis in the dentate gyrus (DG) in murine organotypic hippocampal slice cultures (OHCs). A brief exposure of 8-day-old hippocampal slice

cultures to the glutamate receptor agonist N-methyl-D-aspartate (NMDA; 20-50 mu M for 30 min) caused a selective excitotoxic injury in the CA1 subfield of the hippocampus that matured over a period of 24 h. The insult resulted in a prominent up-regulation of proliferating nuclei within the OHC dentate gyrus (DG), and a corresponding increase in Ki67/doublecortin double-positive cells in the SGZ of the dentate gyrus. 5-bromo-2-deoxyuridine

(BrdU)-labelling of the OHCs for three days subsequent to the NMDA exposure revealed significantly increased BrdU incorporation within the DG (SGZ and GCL) of the hippocampus. Doublecortin immunofluorescence P005091 indicated a concurrent up-regulation of neuronal precursor cells specifically in the SGZ and GCL. Significantly increased BrdU incorporation could be detected up to 6-9 days after termination of the NMDA exposure. The model presented here enables easy 3 manipulation and follow-up of injury-induced neuroblast proliferation in the DG that is amenable to the study of transgenic mice. (C) 2010 Elsevier B.V. All rights reserved.”
“Objective:

Chronic inflammatory demyelinating polyneuropathy (CIDP) is characterized by immune-mediated peripheral demyelination. Although corticosteroid, IV immunoglobulin (IVIg) and plasma exchange have been established as the most effective therapeutics, subpopulations of patients show little or no response to either of these therapies. In this study, we examined whether particular genetic factors influence the therapeutic Fer-1 responsiveness of patients with CIDP.\n\nMethods: One hundred Japanese patients categorized as responders or nonresponders to IVIg therapy participated in our study. We performed an association analysis with single nucleotide polymorphisms (SNPs) and haplotype studies between the IVIg responders and nonresponders.\n\nResults: Two separate SNPs, corresponding to TAG-1 (transient axonal glycoprotein 1) and CLEC10A (C-type lectin domain family 10, member A), showed strong significant differences between responders and nonresponders.

Collectively, this study suggests that a DC-based, active immunot

Collectively, this study suggests that a DC-based, active immunotherapeutic strategy in combination with locoregional treatments exerts beneficial anti-tumour effects against liver cancer.”
“Background: Burnout is a worrying problem in the medical profession and has proven to be highly prevalent in all the care settings and specialty areas in which it has been studied. We applied 2 widely used questionnaires to analyze the working conditions of Spanish allergists in terms of quality of professional life and degree of burnout perceived.\n\nMethods: Participants completed 2 questionnaires: the 22-item Maslach

scale, a structured questionnaire covering different aspects of the feelings and attitudes of professionals toward their

work and patients; and the Spanish Quality of Professional Life Questionnaire (CPV-35), a 35-item questionnaire evaluating job satisfaction and perceived quality CH5424802 of life at work.\n\nResults: We received 404 questionnaires from throughout Spain. The main sources of motivation Semaxanib were better pay (94.4%), more available resources/technology (85.1%), access to research activities (81%), and promotion in one’s professional career (80.1%). Analysis of the scores from the Maslach scale revealed that two-thirds of the allergists interviewed experienced medium and high levels of negative burnout (67.9% and 66.2%, respectively, for emotional exhaustion and depersonalization). This situation was in part compensated for by the fact that a slightly lower proportion of the group (59.2%) obtained very high scores on personal accomplishment in their work. Analysis of the scores from the CPV-35 questionnaire revealed 3 complementary aspects of job satisfaction: perceptions of the workload borne (5.8), management support available to cope with daily patient workload (5.6), and levels of intrinsic motivation for work (7.7), which was the highest value. The score for the item summarizing self-perceived overall quality of working life was acceptable (6.4).\n\nConclusion: Promoting intrinsic motivation of Spanish allergists using the motivating factors identified in this study could protect

against professional burnout.”
“An understanding of the mechanisms regulating milk BMS-777607 chemical structure yield in sows is crucial for producers to make the best management decisions during lactation. Suckling of mammary glands by piglets is one factor that is essential for development of these glands during lactation and for the maintenance of lactation in sows. The process of mammary development is not static as the majority of it takes place in the last third of gestation, continues during lactation, is followed by involution at weaning and starts over again in the next gestation. During involution, the mammary glands undergo a rapid and drastic regression in parenchymal tissue, and this can also occur during lactation if a gland is not suckled regularly.

An analysis of 1312 patients undergoing 1359 primary total hip re

An analysis of 1312 patients undergoing 1359 primary total hip replacements for symptomatic osteoarthritis was performed over a 35-month period. Social deprivation was assessed using the Carstairs

index. Those patients who were most deprived underwent surgery at an earlier age (p = 0.04), had more comorbidities (p = 0.02), increased severity of symptoms at presentation (p = 0.001), and were not as satisfied with their outcome (p = 0.03) compared with more affluent patients. There was a significant improvement in Oxford scores at 12 months relative to pre-operative scores for all socioeconomic MK-2206 PI3K/Akt/mTOR inhibitor categories (p < 0.001). Social deprivation was a significant independent predictor of mean improvement in Oxford scores at 12 months, after adjusting for confounding

variables (p = 0.001). Deprivation was also associated with an increased risk of dislocation (odds ratio 5.3, p < 0.001) and mortality at 90 days (odds ratio 3.2, p = 0.02).\n\nOutcome, risk of dislocation and early mortality after a total hip replacement are affected by the socioeconomic status of the patient”
“The modified nucleotide base 7,8-dihydro-8-oxo-guanine (8-oxo-G) is one of the major sources of spontaneous mutagenesis. Nucleotide-sanitizing enzymes, such as the MutT homolog-1 (MTH1) and nudix-type motif 5 (NUDT5), selectively remove 8-oxo-G from the selleck screening library cellular pool of nucleotides. Previous studies showed that, although the syn conformation generally predominates in purine nucleotides with a bulky substituent at the 8-position, 8-oxo-dGMP binds to both MTH1 and NUDT5 in the anti conformation. This study was initiated to investigate the possibility that 8-oxo-dGMP itself may adopt the anti conformation. Molecular dynamics simulations of mononucleotides (dGMP, 8-oxo-dGMP) in aqueous solution were performed. 8-oxo-dGMP adopted the anti conformation as well as the syn conformation, and

the proportion of adopting the anti conformation increased in the presence of metal ions. When 8-oxo-dGMP was in the anti conformation, a metal ion was located between the oxygen atom of phosphate and the oxygen atom at the 8-position of 8-oxo-G. The types of stable anti conformations of 8-oxo-dGMP differed, depending on the ionic radii and charges of coexisting find more ions. These data suggested a role for metal ions, other than as cofactors for the hydrolysis of the di- and tri-phosphate forms of mononucleotides; that the metal ions help retain the anti conformation of the N-glycosidic torsion angle of 8-oxo-dGMP to promote the binding between the 8-oxo-G deoxynucleotide and the nucleotide-sanitizing enzymes. (C) 2014 Elsevier Inc. All rights reserved.”
“Orbital-optimized MP2.5 [or simply "optimized MP2.5," OMP2.5, for short] and its analytic energy gradients are presented. The cost of the presented method is as much as that of coupled-cluster singles and doubles (CCSD) [O(N-6) scaling] for energy computations.

Relationships between omalizumab, peripheral blood eosinophils, s

Relationships between omalizumab, peripheral blood eosinophils, serum free IgE concentrations

and clinical outcomes were explored. Baseline mean eosinophil counts were similar in each treatment group. Post-treatment eosinophil counts were significantly reduced from baseline in the omalizumab group (p < 0.0001) but were not significantly different in the placebo group. Greater reductions in eosinophil counts were observed in patients who had post-treatment free IgE levels <50 ng/mL. Three studies included steroid-stable and steroid-reduction phases. At the end of each phase in these studies, SB202190 a significantly greater reduction in eosinophil. counts was achieved in the omalizumab group compared with the placebo group (p < 0.0001). A consistent

pattern of improved clinical outcomes/decreased eosinophils and worsened clinical outcomes/increased eosinophils was observed for both omalizumab and placebo treatment groups. The findings from our analysis of a large patient population are consistent with earlier reports of the inhibitory effect of omalizumab on eosinophils. (C) 2009 Elsevier Ltd. All rights reserved.”
“Objectives: Changes in activity frequently occur as a consequence of ongoing pain. Three activity patterns commonly observed among individuals with ongoing pain are avoidance, overdoing, and pacing. We conducted 2 studies investigating these activity patterns, their Protein Tyrosine Kinase inhibitor interrelationships, and their associations with key 432 psychosocial factors. Study 1 describes the development of a measure, the Patterns buy Nepicastat of Activity-Pain (POAM-P), to assess these activity patterns; Study 2 examines the psychosocial correlates of these activity patterns.\n\nMethods:

In study 1, a sample of 393 individuals with chronic pain responded to a pool of 51 items assessing activity as part of their pretreatment assessment. Item analyses were conducted to create a 30-item measure with 3, 10-item scales assessing avoidance, overdoing, and pacing. In study 2, a sample of 164 individuals attending a follow-up program 3 months after treatment completed the POAM-P along with measures of affect, pain control, and disability.\n\nResults: The scales demonstrated excellent internal consistency and correlations with other measures provided initial support for construct validity. Avoidance and overdoing were associated with negative psychosocial outcomes whereas pacing was associated with positive outcomes. In contrast to previous studies, pacing and avoidance were unrelated.\n\nDiscussion: The POAM-P has excellent psychometric properties and may be useful in clinical practice to identify activity patterns associated with poorer functioning and to evaluate interventions intended to modify these activity patterns.

While individual growth rate generally decreased as population de

While individual growth rate generally decreased as population density increased,

we detected a hump-shaped relationship between embryo production and density, with females from intermediate-density treatments producing the most embryos and females from low-and high-density treatments producing the fewest embryos. The two lineages responded similarly to the treatments, indicating that these effects of population density might apply more broadly across P. antipodarum. These results indicate that there are profound and complex relationships between population density, growth rate, and early-maturity embryo P505-15 nmr production in at least two lineages of this important model system, with potential implications for the study of invasive populations, research on the maintenance of sex, and approaches used in ecotoxicology.”
“Attenuated

total reflectance mid-infrared spectra of serum and blood samples were obtained from 4,000 to 600 cm(-1). Models for the determination of albumin, immunoglobulin, total globulin, and albumin/globulin coefficients were established for serum samples, using reference data obtained by capillary electrophoresis. Based on the use of the amide bands I and II regions, the relative root mean square error of prediction (RRMSEP) was 4.9, 14.9, 4.5, and 7.1 % for albumin, immunoglobulin, total globulin, and albumin/globulin coefficients, respectively, determined in an independent validation set of 120 samples using 200 samples for calibration. Additionally, the use of Kennard-Stone method for the selection LY294002 datasheet of a representative calibration subset of samples provided WZB117 inhibitor comparable results using only 60 samples. For whole blood analysis, hemoglobin was determined in 40 validation samples using models built from 40 calibration independent samples with 4 RRMSEP of 8.3, 5.5, and 4.9 % with models built from direct spectra in the first case and from sample spectra recorded after lysis by sodium dodecyl

sulfate and freezing, respectively, for the last two ones. The developed methodologies offer green alternatives for patient diagnosis in a few minutes, minimizing the use of reagents and residues and being adaptable for its use as a point-of-care method.”
“Background: When a large number of alleles are lost from a population, increases in individual homozygosity may reduce individual fitness through inbreeding depression. Modest losses of allelic diversity may also negatively impact long-term population viability by reducing the capacity of populations to adapt to altered environments. However, it is not clear how much genetic diversity within populations may be lost before populations are put at significant risk. Development of tools to evaluate this relationship would be a valuable contribution to conservation biology.

Some satellites have the same

quantum number i because of

Some satellites have the same

quantum number i because of the short distances between their orbits, i.e. the orbits have almost equal major semiaxis. Some quantum numbers i remain unfulfilled which means that there are satellites not discovered yet. The places where they are situated are predicted in this paper.”
“Arsenic, a known environmental toxicant, is ubiquitously present in the environment. Arsenic trioxide (ATO), an anti-acute promyelocytic leukemia (APL) drug, is associated with cardiac toxicity. It is reported to induce cardiac arrhythmia via altering various ion channels involved in the repolarization Crenigacestat cell line phase of cardiac action potential. The exact molecular mechanism of cardiovascular adverse effect due to ATO exposure has not been fully elucidated except for alteration on ion channels. To evaluate the cytotoxic effect of ATO on cardiac myocytes, primary culture of myocytes was treated with different doses (30, 60 and 90 [M) of

ATO for various periods (24, 48 and 72 h). Cardiac toxicity CAL-101 purchase was assessed by monitoring cell viability, mitochondrial and deoxyribonucleic acid (DNA) integrity, reactive oxygen species (ROS) generation, calcium overload and apoptosis. ATO exposure caused alteration in mitochondrial integrity, generation of ROS, calcium overload and apoptosis in cardiac cells in dose- and duration-dependent manner. There was no DNA fragmentation. Hence our results show that ATO causes apoptosis in cardiomyocytes by generation of ROS and the induction of calcium overload. (C) 2008 Elsevier GmbH. All rights reserved.”
“Bidens pilosa L., a less-known cultivated tea species was collected from cold desert of Ladakh Himalaya, Jammu and Kashmir, India during 2004. The freshly harvested leaves are used in preparation

of ‘Ladakhi tea’ locally known as ‘Saja’ learn more or ‘Soljaa’ in cold desert of Ladakh Himalaya, Western Himalaya, Jammu and Kashmir. The local inhabitants were growing this species in their kitchen garden for this use. In the present communication, the method of preparation of this beverage is also discussed.”
“A significant component of driver assistance systems (DAS) is lane detection, and has been studied since the 1990s. However, improving and generalizing lane detection solutions proved to be a challenging task until recently. A (physical) lane is defined by road boundaries or various kinds of lane marks, and this is only partially applicable for modeling the space an ego-vehicle is able to drive in. This paper proposes a concept of (virtual) corridor for modeling this space. A corridor depends on information available about the motion of the ego-vehicle, as well as about the (physical) lane.


“Impact of long-term biosolids application on soil-living


“Impact of long-term biosolids application on soil-living micro-organisms key players of ecosystemic services is scarcely reported. Here,

the impact of the 19 year-long application of farmyard manure (FM) and sewage sludge (SS) organic fertilisation regimes on the protocatechuate-degrading bacterial (pca) community was estimated by comparison to a mineral fertilisation regime (U). The structure, diversity and density of the pca community were determined using pcaH, a gene encoding the protocatechuate 3,4-dioxygenase. Ten years after the last application, the structure of the pca community in soils amended with 55100 (100 t/ha/2 years) and to a lesser extent with FM (10 t/ha/year) was still different from that in U treatment. pcaH amplicons from all treatments were cloned, screened by RFLP and sequenced. The DMXAA manufacturer diversity was studied by Shannon-Weiner and Simpson indexes and by rarefaction curves estimated from pcaH library analyses, showing that the pcaH community was impacted in SS10 and SS100, compared to U. The sequencing of pcaH amplicons supports the results from the RFLP analysis. Quantification of the abundance of the pca community by qPCR assays showed Alisertib nmr a significant increase in SS100 in comparison to U. FM and SS10. Overall, 10 years after the last application, the impact of 19 years’ organic fertilisation on the

pcaH community was still traceable, highlighting the lack of resilience of this functional community. (C) 2012 Elsevier B.V. All rights reserved.”
“Background: Anaplastic thyroid cancer (ATC) remains refractory to available surgical and medical interventions. Histone deacetylase (HDAC) inhibitors are an emerging targeted therapy with antiproliferative activity in a variety of thyroid cancer cell lines. Thailandepsin A (TDP-A) is a novel class I HDAC inhibitor whose efficacy remains largely unknown in ATC. Therefore, we aimed to characterize the effect of TDP-A on ATC. Methods: Human-derived ATC cells were treated with TDP-A. IC50

was determined by a 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide (MTT) rapid colorimetric assay, and cell proliferation was measured by viable cell count. Molecular selleck inhibitor mechanisms of cell growth inhibition were investigated by Western blot analysis of canonical apoptosis markers, intrinsic and extrinsic apoptosis regulators, and cell cycle regulatory proteins. Cell cycle staging was determined with propidium iodide flow cytometry. Results: TDP-A dose- and time-dependently reduced cell proliferation. Increased cleavage of the apoptosis markers Caspase-9, Caspase-3, and poly adenosine diphosphate ribose polymerase were observed with TDP-A treatment. Levels of the intrinsic apoptosis pathway proteins BAD, Bcl-XL, and BAX remained unchanged.