Both the scFv displayed on phage and EV-IgG1 show exquisite specificity for binding to the EV neoepitope without cross-reactivity to other NFEV VX-680 containing peptides or WT-APP KMDA cleavage products. EV-IgG1 can detect as little as 0.3 nmol/L of the EV peptide. EV-IgG1 antibody was purified,

conjugated with alkaline phosphatase and utilized in various biological assays. In the BACE1 enzymatic assay using NFEV substrate, a BACE1 inhibitor MRK-3 inhibited cleavage with an IC50 of 2.4 nmol/L with excellent reproducibility. In an APP_NFEV stable SH-SY5Y cellular assay, the EC50 for inhibition of EV-A beta peptide secretion with MRK-3 was 236 nmol/L, consistent with values derived using an EV polyclonal antibody. In an APP_NFEV knock-in mouse model, both A beta_EV40 and A beta_EV42 peptides in brain homogenate showed excellent gene dosage dependence. In conclusion, the EV neoepitope specific monoclonal antibody is a novel reagent for BACE1 inhibitor discovery for both in vitro,

cellular screening Kinase Inhibitor Library high throughput assays and in vivo biochemical studies. The methods described herein are generally applicable to novel synthetic substrates and enzyme targets to enable robust screening platforms for enzyme inhibitors.”
“Background: The role of estrogen in the growth and survival of ovarian cancer cells is controversial. In this study, we investigated the changes in cell-cycle regulatory proteins in ovarian cancer cell lines after estrogen treatment to explore the role of estrogen in ovarian cancers.\n\nMethods: Two ovarian adenocarcinoma cell lines were used for the study: the first, OC-117-VGH, selleck inhibitor was deficient in estrogen receptors (ER)alpha and ER beta, and the second, OVCAR3, was positive for ER alpha and ER beta. Serial concentrations of estrogen were used to evaluate the effects of estrogen on the survival of ovarian cancer cells. The cell-cycle regulatory proteins, including cyclin D1, cyclin E, p16/INK4a, and p27/KIP1, were used to check

the possible mechanism of an estrogen effect on survival of the cancer cell line.\n\nResults: Estrogen 0.01-1.0 mu M inhibited the growth of both cell lines. There were no differences in cyclin D1 and E expression between the two cell lines after estrogen treatment, but the expression of p16/INK4a and p27/KIP1 was significantly higher in the OC-1170-VGH cell line than in the OVCAR3 cell line.\n\nConclusion: Although the ER-positive and ER-negative ovarian cancer cell lines were inhibited by estrogen, the influence of cell-cycle regulatory proteins was different between the two, suggesting that the inhibitory effect of estrogen on ovarian cancer cell lines might be mediated through different pathways. Copyright (c) 2012 Elsevier Taiwan LLC and the Chinese Medical Association. All rights reserved.”
“In this paper, we investigate the impact of attending school on body weight and obesity using a regression-discontinuity design.

“
“Most of solid tumor cells are hypoxic and hard to trace and measure. A new compound, 4,7-bis(4-dodecylthiophen-2-yl)-5,6-dinitrobenzo[c][1,2,5]thiadiazole (BTTD-NO2), was MK-2206 inhibitor synthesized for labeling the hypoxic cells specially in this paper. BTTD-NO2 showed no cytotoxicity to MG63 cells by MTT method. When MG63 cells were cultured with BTTD-NO2 under hypoxic condition for 24 h, strong red fluorescence distribution in cytoplasm was observed. Flow cytometry results showed that 65% of MG63 cells were labeled with strong red fluorescence in hypoxic condition while only 2.4% in oxic condition. Furthermore, Real time RT-PCR proved that BTTD-NO2 could stimulate high gene expression of the nitroreductase

in the cells which could improve the conversion rate of BTTD-NO2 to BTTD-NH2 in turn. It proved that the fluorescence of BTTD-NO2 was quenched by its two nitro groups, however, strong red fluorescence could emit in the cytoplasm after the reduction of its nitro groups to amino groups in the tumor cells under hypoxic condition. These results suggested that BTTD-NO2 had the potential as a superior fluorescent probe for tumor detection. (C) 2013

Elsevier Ltd. All rights reserved.”
“P>O-mannosylation is a crucial protein modification in eukaryotes that is initiated by the essential family of protein O-mannosyltransferases (PMTs). Here we demonstrate that in the Cytoskeletal Signaling inhibitor Dinaciclib research buy model yeast Saccharomyces cerevisiae rhodanine-3-acetic acid derivatives affect members of all PMT subfamilies. Specifically, we used OGT2468

to analyse genome-wide transcriptional changes in response to general inhibition of O-mannosylation in baker’s yeast. PMT inhibition results in the activation of the cell wall integrity (CWI) pathway. Coinciding, the mitogen-activated kinase Slt2p is activated in vivo and CWI pathway mutants are hypersensitive towards OGT2468. Further, induction of many target genes of the unfolded protein response (UPR) and ER-associated protein degradation (ERAD) is observed. The interdependence of O-mannosylation and UPR/ERAD is confirmed by genetic interactions between HAC1 and PMTs, and increased degradation of the ERAD substrate Pdr5p* in pmt Delta mutants. Transcriptome analyses further suggested that mating and filamentous growth are repressed upon PMT inhibition. Accordingly, in vivo mating efficiency and invasive growth are considerably decreased upon OGT2468 treatment. Quantitative PCR and ChIP analyses suggest that downregulation of mating genes is dependent on the transcription factor Ste12p. Finally, inhibitor studies identified a role of the Ste12p-dependent vegetative signalling cascade in the adaptive response to inhibition of O-mannosylation.”
“P>Glial cell line-derived trophic factor (GDNF) is a peptide with pleiotropic survival and growth-promoting effects on neurons.

Immunohistochemistry for livin and caspase-3 was used in 36 normal cervical tissues and in 98 samples of cervical squamous cell

carcinoma. The percentage of cells expressing these proteins was compared between normal and cancer samples. Their LY3023414 cell line expression rates in cancer samples were subsequently compared with one another and with the clinical and pathological characteristics of the samples. Results: Livin was more commonly expressed in tumor samples than in normal tissues, while the opposite pattern was observed for caspase-3. Expression of livin was significantly associated with advanced clinical stage, higher pathological grade, and lymph node metastasis (p < 0.05). Expression of caspase-3 was significantly associated with lower clinical stage, lower pathological grade, and lack of lymph SB202190 concentration node metastasis (p < 0.05). Finally, expression of livin was negatively correlated to caspase-3 expression in cervical squamous cell carcinoma tissue (r = -0.57, p < 0.05). Conclusions: Livin may inhibit apoptosis in cervical squamous cell carcinoma by downregulating caspase-3, thereby promoting disease progression.”
“Context:

Indicated prevention is currently regarded as the most promising strategy to attenuate, delay, or even avert psychosis. Existing criteria need improvement in terms of specificity and individual risk assessment to allow BAY 63-2521 supplier for better targeted and earlier interventions.\n\nObjective: To develop a differential predictive clinical model of transition to first-episode psychosis.\n\nDesign: Prospective multicenter, naturalistic field study with a

total follow-up time of 18 months.\n\nSetting: Six early-detection outpatient centers in Germany, Finland, the Netherlands, and England.\n\nParticipants: Two hundred forty-five help-seeking patients in a putatively prodromal state of psychosis according to either ultra-high-risk (UHR) criteria or the basic symptom-based criterion cognitive disturbances (COGDIS).\n\nMain Outcome Measure: Incidence of transition to psychosis.\n\nResults: At 18-month follow-up, the incidence rate for transition to psychosis was 19%. Combining UHR and COGDIS yielded the best sensitivity. A prediction model was developed and included positive symptoms, bizarre thinking, sleep disturbances, a schizotypal disorder, level of functioning in the past year, and years of education. With a positive likelihood ratio of 19.9, an area under the curve of 80.8%, and a positive predictive value of 83.3%, diagnostic accuracy was excellent. A 4-level prognostic index further classifying the general risk of the whole sample predicted instantaneous incidence rates of up to 85% and allowed for an estimation of time to transition.\n\nConclusions: The prediction model identified an increased risk of psychosis with appropriate prognostic accuracy in our sample.

Clinicians should be aware of sleep problems as potential risk factors for suicide attempts for adolescents.”
“In

this large-scale longitudinal study conducted in rural Southern India, we compared a presence/absence hydrogen sulfide (H2S) test with quantitative assays for total coliforms and Escherichia coli as measures of water quality, health risk, and water supply vulnerability to microbial contamination. None of the three indicators showed a significant association with child diarrhea. The presence of H2S in a water sample was associated with higher levels of total coliform A-769662 in vitro species that may have included E. coli but that were not restricted to E. coli. In addition, we observed a strong relationship between the percent positive H2S test results and total coliform levels among water source samples (R-2 = 0.87). The consistent relationships between H2S and total coliform levels Silmitasertib in vivo indicate that presence/absence of H2S tests provide a cost-effective option for assessing both the vulnerability of water supplies to microbial contamination and the results of water quality management and risk mitigation efforts.”
“The purpose of this study was to identify risk factors

associated with lymph node (LN) metastasis in early gastric cancer patients who underwent endoscopic resection (ER) and to evaluate the feasibility of minimal LN dissection in these patients.\n\nFrom January 2001 to March 2011, patients who underwent gastrectomy with lymphadenectomy due to the potential

risk of LN metastasis after ER were enrolled at National Cancer Center, Korea. The incidence, risk factors, and distribution of LN metastasis were evaluated.\n\nOf the 147 enrolled patients, the LN metastasis was identified in 12 patients (8.2 %). The incidence of LN metastasis was not significantly increased in patients with submucosal invasion, lymphovascular invasion, and mixed undifferentiated histology [odds ratio (OR), 5.55, 1.349, and 0.387; 95 % confidence interval (CI), 0.688-43.943, 0.405-4.494, and 0.081-1.84, respectively]. Tumor size more than 2 cm was significantly associated with LN metastasis (OR, 14.056; 95 % CI, 1.76-112.267). The incidence of LN metastasis Selleck SB203580 gradually increased from 3.2 to 20 %, as number of risk factors increased (P = 0.019). LN metastasis was present primarily along the perigastric area in all except two patients (1.4 %) with skip metastasis to extragastric area.\n\nStandard surgery with at least D1 + LN dissection must be recommended for patients who proved to have risk factors for LN metastasis after ER, because the potential of skip metastasis is not negligible. Nevertheless, the minimal LN dissection, such as sentinel basin dissection, might be applied cautiously in patients with small-sized tumors after ER.”
“Objective: To develop a new method of using existing bronchoscopic video technology to generate a 3D model of the airway for clinical purposes.

Ongoing trials of lenalidomide

combination therapy offer a treatment option for patients with advanced cancer and will better define the role of lenalidomide in solid tumors.”
“Gram-negative bacteria often initiate their colonization by use of extended attachment organelles, so called pili. When exposed to force, the rod of helix-like pili has been found to be highly extendable, mainly attributed to uncoiling and recoiling of its quaternary structure. This provides the bacteria with the ability to redistribute an external force among a multitude of pili, which enables them to withstand strong rinsing flows, ALK assay which, in turn, facilitates adherence and colonization processes critical to virulence. Thus, pili fibers are possible targets for novel antibacterial agents. By use of a substance that compromises compliance of the pili, the ability of bacteria to redistribute external forces can be impaired, so they will no longer be able to resist strong urine flow and thus be removed from the host. It is possible such a substance can serve as an alternative to existing antibiotics in the future or be a part of a multi-drug. In this work we investigated whether it is possible SNS-032 ic50 to achieve this

by targeting the recoiling process. The test substance was purified PapD. The effect of PapD on the compliance of P pili was assessed at the single organelle level by use of force-measuring optical tweezers. We showed that the recoiling process, and thus the biomechanical compliance, in particular the recoiling process, can be impaired by the presence of PapD. This leads to a new concept in the search for novel drug candidates combating uropathogenic bacterial infections-”coilicides”, targeting the subunits of which the pilus rod is composed.”
“Resistance to chemotherapy and molecularly targeted therapies is a major problem facing current cancer research. The mechanisms of resistance to ‘classical’

cytotoxic chemotherapeutics and to therapies that are designed to be selective for specific molecular targets share many features, such as alterations in the drug target, activation of prosurvival pathways and ineffective induction of cell death. With the increasing arsenal of anticancer agents, improving preclinical models and the advent of powerful R788 order high-throughput screening techniques, there are now unprecedented opportunities to understand and overcome drug resistance through the clinical assessment of rational therapeutic drug combinations and the use of predictive biomarkers to enable patient stratification.”
“Objective. There is increasing prevalence of hypercholesterolemia among patients with osteoarthritis (OA) and rheumatoid arthritis (RA). We examined the effectiveness of statins on total cholesterol (TC), cardiovascular (CV) morbidity, and mortality in patients with OA or RA.\n\nMethods. A population-based cohort study was done using a record-linkage database in Tayside, Scotland.

\n\nEvidence synthesis: Ten HRC syndromes have been described that are PRIMA-1MET cost inherited with an autosomal dominant trait. Eight genes have already been identified (VHL, MET, FH, FLCN, TSC1, TSC2, CDC73, and SDHB). These HRC syndromes involve one or more RCC histologic subtypes and are generally bilateral and multiple. Computed tomography and magnetic resonance imaging are the best imaging techniques for surveillance and assessment of renal lesions, but there are no established guidelines for follow-up after imaging. Except for hereditary leiomyomatosis RCC

tumours, conservative treatments favour both an oncologically effective therapeutic procedure and a better preservation of renal function.\n\nConclusions: HRC involves multiple clinical manifestations, histologic subtypes, genetic alterations, Trichostatin A ic50 and molecular pathways. Urologists should know about HRC syndromes in the interest of their patients and families. (C) 2010 European Association of Urology. Published by Elsevier B.V. All rights reserved.”
“Background The Integrated Relaxation Pressure (IRP) is the esophageal pressure topography (EPT) metric used for assessing the adequacy of esophagogastric junction (EGJ) relaxation in the Chicago Classification of motility disorders. However, because the IRP value is also influenced by distal esophageal contractility, we hypothesized that its normal limits should vary with different patterns of contractility. Methods Five hundred and twenty

two selected EPT studies were used to compare the accuracy of alternative analysis paradigms to that of a motility expert (the gold standard). Chicago Classification metrics were scored manually and used as inputs for MATLAB (TM) programs that utilized either strict algorithm-based interpretation (fixed abnormal IRP threshold of 15 mmHg) or a classification and regression tree (CART) model that selected variable IRP thresholds depending on the associated esophageal contractility. Key Results The sensitivity of the CART model for achalasia (93%) was better than

that of the algorithm-based approach (85%) on account of using variable IRP thresholds BI 2536 order that ranged from a low value of >10 mmHg to distinguish type I achalasia from absent peristalsis to a high value of >17 mmHg to distinguish type III achalasia from distal esophageal spasm. Additionally, type II achalasia was diagnosed solely by panesophageal pressurization without the IRP entering the algorithm. Conclusions & Inferences Automated interpretation of EPT studies more closely mimics that of a motility expert when IRP thresholds for impaired EGJ relaxation are adjusted depending on the pattern of associated esophageal contractility. The range of IRP cutoffs suggested by the CART model ranged from 10 to 17 mmHg.”
“Background & aims: The prognostic value of nutritional status and/or lean and fat mass assessed by dual-energy X-ray absorptiometry (DEXA) has been widely analyzed, in both alcoholics and non-alcoholics.

[Davood Gharakhani, Forooz Pishgar, Mahdi Beedel, Arshad Farahmandian. Impact of Macroeconomic variables on stock returns Case Study: Companies Accepted in Tehran Stock Exchange. Life Sci J 2012;9(4):3526-3529]. (ISSN: 1097-8135). http://www.lifesciencesite.com. 522″
“Over the last decade, transarterial therapies have gained worldwide acceptance as standard of care for inoperable primary liver cancer. Survival times after transarterial chemoembolization (TACE) continue to improve Smoothened Agonist Stem Cells & Wnt inhibitor as the technique and

selection criteria are refined. Transarterial treatments, frequently provided in an outpatient setting, are now safely and effectively being applied to patients with even advanced malignancy or partially decompensated cirrhosis. In the coming years,

newer transarterial therapies such as radiation A-1155463 segmentectomy, boosted-transarterial radioembolzation, combined TACE-ablation, TACE-portal vein embolization, and transarterial infusion of cancer-specific metabolic inhibitors promise to continue improving survival and quality of life.”
“Background Current European guidelines recommend routine enteral feeding after pancreato-duodenectomy (PD), whereas American guidelines do not. The aim of this study was to determine the optimal feeding route after PD. Methods A systematic search was performed in PubMed, Embase and the Cochrane Library. Included were studies on feeding routes after PD that reported length of hospital stay (primary outcome). Results Of 442 articles screened, 15 studies

with 3474 patients were included. Data on five feeding routes were extracted: oral diet (2210 patients), enteral nutrition via either a nasojejunal tube (NJT, 165), gastrojejunostomy tube (GJT, 52) or jejunostomy tube (JT, 623), and total parenteral nutrition (TPN, 424). Mean(s.d.) length of hospital stay was shortest in the oral diet and GJT groups (15(14) and 15(11) days respectively), followed by 19(12) days in the JT, 20(15) days in the TPN and 25(11) days in the NJT group. Normal oral intake was established most quickly in the oral diet group (mean find more 6(5) days), followed by 8(9) days in the NJT group. The incidence of delayed gastric emptying varied from 6 per cent (3 of 52 patients) in the GJT group to 23 center dot 2 per cent (43 of 185) in the JT group, but definitions varied widely. The overall morbidity rate ranged from 43 center dot 8 per cent (81 of 185) in the JT group to 75 per cent (24 of 32) in the GJT group. The overall mortality rate ranged from 1 center dot 8 per cent (3 of 165) in the NJT group to 5 center dot 4 per cent (23 of 424) in the TPN group. Conclusion There is no evidence to support routine enteral or parenteral feeding after PD. An oral diet may be considered as the preferred routine feeding strategy after PD.

Their intergranular porosity ranged inversely to the initial porosity of pellets due to the greater deformability of the most porous ones. A wide range of theophylline release rates were

achieved depending oil the drying procedure; tablets prepared from freeze-dried pellets sustained the release for 3 h. Most profiles showed a bimodal kinetics with an initial zero-order release (while the tablets did not completely disintegrate) that changed, after a certain time, to a first-order kinetics. The intergranular porosity determined drug release rate up to disintegration. Then, the release kinetics became first-order and the rate constant, which was conditioned by the intragranular porosity, showed a complex dependence on the drying procedure, the compression force, and the nature of coexcipient.

In sum, PI3K inhibitor the modulation of drug release profiles from tablets of MCC-Carbopol (R) pellets through an adequate control of the effects of the coexcipient nature, the drying procedure of pellets, and the compression force on the inter- and intragranular porosity opens interesting possibilities to control the release of hydrosoluble drugs. (C) 2007 Elsevier B.V. All rights reserved.”
“The BYL719 mw mechanical behavior of the annulus fibrosus (AF) of the intervertebral disc can be modeled as a mixture of fibers, extra-fibrillar matrix (EFM), ions, and fluid. However, the properties of the EFM have not been measured directly. We measured mechanical properties of the human EFM at several locations, determined the effect of age and degeneration, and evaluated whether changes in EFM properties correspond to AF compositional changes. EFM mechanical properties were measured Sapitinib using a method that combines osmotic loading and confined compression. AF samples were dissected from several locations, and mechanical properties were correlated with age, degeneration, and composition.

EFM modulus was found to range between 10 and 50kPa, increasing nonlinearly with compression magnitude and being highest in the AF outer-anterior region. EFM properties were not correlated with composition or degeneration. However, the EFM modulus, its relative contribution to tissue modulus, and model parameters were correlated with age. These measurements will result in more accurate predictions of deformations in the intervertebral disc. Additionally, parameters such as permeability and diffusivity used for biotransport analysis of glucose and other solutes depend on EFM deformation. Consequently, the accuracy of biotransport simulations will be greatly improved. (c) 2013 Orthopaedic Research Society. Published by Wiley Periodicals, Inc. J Orthop Res 31:1725-1732, 2013″
“This opinion paper evaluates the early warning regional systems in East Africa in 2010 and 2011 and their abilities to predict and warn about the current food insecurity crisis.

\n\nMethods Patients (n=444) were randomly assigned to placebo plus MTX, golimumab 100 mg plus placebo, golimumab 50 mg plus MTX, or golimumab 100 mg plus MTX (subcutaneous injections every 4 weeks). A subset of 240 patients participated in an MRI substudy. MRIs (1.5T+contrast enhancement) of the dominant wrist and metacarpophalangeal (MCP) joints were obtained at baseline and weeks 12 and 24. Images were scored

by two independent, blinded readers for synovitis (0-9 wrist only (n=240), 0-21 wrist+MCP (n=223)), bone oedema (osteitis) (0-69) and bone erosions (0-230) using the OMERACT Rheumatoid Arthritis MRI Scoring system.\n\nResults Significant improvements in synovitis and bone oedema (osteitis) were observed in the combined golimumab plus MTX groups versus placebo plus MTX at week 12 (-1.77 vs Cytoskeletal Signaling inhibitor -0.15, p<0.001 wrist+MCP click here and -2.00 vs 0.19, p=0.003, respectively) and week 24 (-1.91 vs -0.38, p<0.001

wrist+MCP and -1.74 vs 0.71, p=0.004, respectively). Fewer than 10% of patients had a substantial degree of erosive progression (most showed no progression) across all treatment groups (including the control group), precluding adequate evaluation of golimumab’s effect on bone erosions.\n\nConclusion Golimumab plus MTX significantly improved MRI-detected synovitis and osteitis (prognosticators of future structural damage) versus placebo plus MTX at weeks 12 and 24. The effect of golimumab on bone erosions could not be determined by semi-quantitative scoring in these RA patients with minimal progression of bone erosions.”
“Background\n\nShigella dysentery is a relatively common illness and occasionally causes death, worldwide. Mild symptoms are self-limiting but in more severe MK0683 cases, antibiotics are recommended for cure and preventing relapse. The antibiotics recommended are diverse, have regional differences in sensitivity, and have side effects.\n\nObjectives\n\nTo evaluate the efficacy and safety of antibiotics for treating Shigella dysentery.\n\nSearch strategy\n\nIn June 2009 we identified all relevant trials from

the following databases: Cochrane Infectious Diseases Group Specialized Register; Cochrane Central Register of Controlled Trials (CENTRAL) (The Cochrane Library 2008, issue 4), MEDLINE, EMBASE, LILACS and the metaRegister of Controlled Trials (mRCT). We also checked conference proceedings for relevant abstracts, and contacted researchers, organizations, and pharmaceutical companies.\n\nSelection criteria\n\nRandomized controlled trials of antibiotics for Shigella dysentery.\n\nData collection and analysis\n\nFour authors, working in pairs, independently assessed trial eligibility, methodological quality, and extracted data. We calculated risk ratios (RR) with 95% confidence intervals (CI) for dichotomous data, and used the random-effects model for significant heterogeneity.

\n\nMaterials and Methods: We identified 86 patients who underwent partial cystectomy for pT1-4N0-1Mx urothelial carcinoma between 1980 and 2006 at our institution. They were matched 1: 2 to patients undergoing radical cystectomy based on age, gender, pathological T stage and receipt of neoadjuvant chemotherapy. Survival was estimated using Kaplan-Meier analysis SCH727965 purchase and compared with the log rank test.\n\nResults: Median postoperative followup was 6.2 years

(range 0 to 27). No difference was noted for 10-year distant recurrence-free survival (61% vs 66%, p = 0.63) or cancer specific survival (58% vs 63%, p = 0.67) between patients treated with partial and radical cystectomy, respectively. Interestingly, 4 of 86 patients (5%) who underwent partial cystectomy showed extravesical pelvic tumor recurrence postoperatively vs 29 of 167 (17%)

who underwent radical cystectomy (p = 0.004). In addition, 33 of 86 patients (38%) were diagnosed with intravesical recurrence of tumor after partial cystectomy and 16 of 86 (19%) initially treated with partial cystectomy ultimately underwent radical cystectomy.\n\nConclusions: Our matched analysis demonstrated no difference in metastasis-free or cancer specific survival between select patients undergoing partial cystectomy CA3 supplier and those undergoing radical cystectomy. Nevertheless, patients treated with partial cystectomy remain at risk for intravesical recurrence and, thus, they should be counseled and surveilled accordingly.”
“Lipid peroxidation (LPO) of stallion spermatozoa was assessed NVP-LDE225 ic50 in fresh semen and in samples of the same ejaculates after freezing and thawing. Particular attention was paid to individual differences in the susceptibility to LPO and its possible relationship with freezability. Innate levels of LPO were very low in fresh spermatozoa but increased after thawing, a change that was largely stallion-dependent. The level of LPO in fresh spermatozoa was not correlated with that of the thawed spermatozoa. Negative correlations existed between

LPO and intact membranes post-thaw (r= -0.789, P<0.001), and also between LPO and spermatozoa with high mitochondrial membrane potential (Delta psi m) post-thaw (r= -0.689, P<0.001). LPO was also highly and significantly correlated with caspase activity. The correlation between caspase activity in ethidium positive cells and LPO was r=0.772, P<0.001. This LPO is unlikely to represent, per se, a sign of cryopreservation-induced injury, but it is apparently capable of triggering ‘apoptotic-like changes’ that could result in the sub-lethal cryodamage often seen among surviving spermatozoa. Reproduction (2009) 138 55-63″
“The purpose of this study was to compare coronary 64-slice CT angiography (CTA) protocols, specifically prospective electrocardiograph (ECG)-triggered and retrospective ECG-gated CT acquisition performed using a tube voltage of 140 kV and 120 kV, regarding intracoronary stent imaging.