0 +/- 20 2) and 79% were male There were 177

0 +/- 20.2) and 79% were male. There were 177 Small molecule library full PAP users ( bigger than = 4 h per night and bigger than = 20 of last 28 nights), 44 partial ( smaller than 4 h per night or smaller than 20 nights) and 88 nonusers. RESULTS: ICAM-1 (P smaller than 0.001) and VCAM-1 (P

= 0.012) change was significantly different among the PAP groups. The largest ICAM-1 differences were among the most obese subjects (P smaller than 0.001). At follow-up, nonusers had increased ICAM-1 compared with decreased levels in full users. All groups had increased VCAM-1, but nonusers had a significantly larger increase than full users. CONCLUSIONS: Within moderate-to-severe OSA patients, PAP usage prevents increases in adhesion molecules observed in nonusers after 2 years. For ICAM-1, the largest effect is in the most obese subjects. As OSA and obesity commonly coexist, the usage of PAP to limit increases in adhesion molecules may decrease the rate of progression of OSA-related cardiovascular disease.”
“There is increasing evidence that type 2 diabetes mellitus and glucose intolerance are a cause, not just a consequence, of pancreatic cancer. We examined whether other factors that characterize

the insulin resistance syndrome are also risk factors for pancreatic cancer buy HSP990 in a prospective cohort study of 631,172 men and women (ages 45+ years) who received health insurance from the Korean Medical Insurance Corporation. The biennial medical evaluations from 1992 to 1995 provided the baseline information for this study. Relative Volasertib risks (RR) were estimated using proportional hazards models adjusted for age, sex, smoking, and fasting serum glucose (after excluding the first 2 years of follow-up). There were 2,194 incident cases of pancreatic cancer diagnosed in the cohort

over a median follow-up of 12 years. There was no evidence that pancreatic cancer risk was associated with total cholesterol, systolic blood pressure, WBC count, or body mass index. Abnormal levels of aspartate aminotransferase and alanine aminotransferase were both associated with a moderately increased risk of developing the disease (40+ versus < 20; RR, 1.33; 95% CI, 1.14-1.55; P-trend = 0.05 and RR, 1.34; 95% CI, 1.16-1.56; Ptrend = 0.02, respectively). Excluding 6 years of follow-up reduced this RR (95% CI) for aspartate aminotransferase to 1.22 (1.01-1.49), but even after excluding 10 years follow-up the RR (95% CI) for alanine aminotransferase was unchanged [1.36 (1.01-1.83)]. Although fasting serum glucose has been found previously to be associated with pancreatic cancer risk in this cohort, most other factors that characterize insulin resistance syndrome were not associated with pancreatic cancer risk. The association with elevated liver enzyme levels is a novel finding that warrants further investigation.”
“Endothelial cells constitute the natural inner lining of blood vessels and possess anti-thrombogenic properties.

Therefore, we were able to partition variation as a result of sel

Therefore, we were able to partition variation as a result of selection and phenotypic plasticity. Within-individual variation in body condition increased in

early life until SBC-115076 chemical structure middle age (i.e. 34 years of age) in the two sexes followed by only a slight decrease in body condition during senescence in males but not in females. After accounting for age-dependent variation, condition could be partitioned into a within-individual plastic response to environmental conditions during migration and a nonplastic response (i.e. a between-individual difference) to environmental conditions experienced in the African winter quarters. Specifically, there was a within-individual increase in body condition as environmental conditions during migration improved in both males and females, independent of age. There was a between-individual effect of condition found in the winter quarter in body condition of PLX3397 in vivo females, but not in males, which was attributed to the disappearance of females in poor body condition from the study population as a result of the higher natal dispersal of low-quality females compared to high-quality ones during years with favourable environmental conditions in the African winter quarters. Males and females also tended to be

in better body condition during the warmer springs upon arrival at the breeding grounds. There was a temporal decline in female body condition during 19912007, whereas no significant trend was detected in males. Therefore, both intrinsic (e.g. age and sex) and extrinsic factors (e.g. climate) affected body condition.

(C) 2011 The Linnean Society of London, Biological Journal of the Linnean Society, 2012, 105, 420434.”
“Enabled by novel molecular learn more markers, fluorescence microscopy enables the monitoring of multiple cellular functions using live cell assays. Automated image analysis is necessary to monitor such model systems in a high-throughput and high-content environment. Here, we demonstrate the ability to simultaneously track cell cycle phase and cell motion at the single cell level. Using a recently introduced cell cycle marker, we present a set of image analysis tools for automated cell phase analysis of live cells over extended time periods. Our model-based approach enables the characterization of the four phases of the cell cycle G1, S, G2, and M, which enables the study of the effect of inhibitor compounds that are designed to block the replication of cancerous cells in any of the phases. We approach the tracking problem as a spatio-temporal volume segmentation task, where the 2D slices are stacked into a volume with time as the z dimension. The segmentation of the G2 and S phases is accomplished using level sets, and we designed a model-based shape/size constraint to control the evolution of the level set.

764; 95% CI: 2 588-12 837; p smaller than 0 0001 on univariate

764; 95% CI: 2.588-12.837; p smaller than 0.0001 on univariate analysis; OR: 3.768; 95% CI: 1.469-9.665; p = 0.006 on multivariate analysis). IHC staining of the immunoreactivity of DVL1 showed that DVL1 was localized in the cytoplasm

of CRC cells. High expression of DVL1 was observed in 55% (33/60) of CRC tumor specimens and was associated significantly with tumor depth, perineural invasion and liver metastasis status (all p smaller than 0.05). Our experimental results demonstrated that DVL1 is significantly overexpressed selleck products in CRC patients with liver metastasis, leading us to conclude that DVL1 could be a potential prognostic and predictive marker for CRC patients.”
“The major issue for biodegradable magnesium alloys is the fast degradation and release of hydrogen

gas. In this article, we aim to overcome these disadvantages by using a surface modified magnesium implant. We have recently coated AZ91 magnesium implants by akermanite (Ca2MgSi2O7) through the combined electrophoretic deposition (EPD) and plasma electrolytic oxidation (PEO) methods. In this work, we performed the in vitro and in vivo examinations of these coated implants using L-929 cell line and rabbit animal model. The in vitro study confirmed the higher cytocompatibility of the coated implants compare to the uncoated ones. For the in vivo experiment, the rod samples were implanted into the greater trochanter of rabbits and monitored for two months. The results indicated a noticeable biocompatibility improvement of the coated implants which includes slower implant weight loss, reduction in CCI-779 research buy Mg ion released from the coated samples in the blood plasma, lower release of hydrogen bubbles, increase in the amount of bone formation and ultimately lower bone inflammation after the surgery according to the histological images. selleck chemicals Our data exemplifies that the proper surface

treatment of the magnesium implants can improve their biocompatibility under physiological conditions to make them applicable in clinical uses. (c) 2014 Wiley Periodicals, Inc. J Biomed Mater Res Part A: 103A: 1798-1808, 2015.”
“Acute liver failure (ALF) still has an unacceptable high mortality rate, despite substantial improvements with multidisciplinary care. The precise underlying mechanism of ALF remains to be explored. It has been reported that microRNAs (miRNAs) are novel regulators in a number of liver diseases, but the role of miRNAs in the development of ALF is not fully understood. An ALF murine model was generated by ip injection of d-GalN/LPS, which was confirmed with histopathology and biochemistry. The hepatic miRNA expression profile in ALF was determined by microarray and verified by qRT-PCR. The functions and signal pathways of the targeted genes of these deregulated miRNAs were predicted, using bioinformatics analysis.

The total current was also affected by Na+, becoming larger when

The total current was also affected by Na+, becoming larger when a Na+-free solution Was used. Our results show the existence of at least two types of Ba+2-sensitive K+ channels including a TEA sensitive sub-population, and some of them N+ sensitive K+ channels. These channels could be the conductive pathways proposed previously for this cation in placental Epigenetic inhibitor datasheet hSTB. Our novel contribution has been to successfully obtain K+ channel recordings in systems suitable for electrophysiological studies of isolated apical membranes. (c) 2008 Elsevier Ltd. All rights

reserved.”
“This study investigated the possible rise of CCR1 mRNA measurement in peripheral blood leukocytes in combination with measurements of monocyte chemotactic protein-1 (MCP-1) and CA125 protein in serum as a diagnostic test for endometriosis. The expression of CCR1 mRNA in peripheral blood leukocytes was measured by quantative real-time

polymerase chain reaction. MCP-1 and CA125 levels in serum were determined by ELISA and ECLIA. The ratio of CCR1/HPRT mRNA in peripheral blood of patients with endometriosis and adenomyosis was significantly elevated compared with women without endometriosis. Additionally serum levels of MCP-1 and CA125 were significantly higher in patients with endometriosis. This method showed a sensitivity of 92.2%, a specificity of 81.6%, a negative predictive value of 83.3%, a positive predictive value of 92.3%, a likelihood ratio of a positive test results of 5.017, and a likelihood ratio of a negative Roscovitine order FG-4592 in vivo test result of 0.096 to predict the presence or absence of endometriosis. The results imply the potential rise of CCR1 mRNA, MCP-1, and CA125 protein measurements for the diagnosis or exclusion of endometriosis.”
“Objectives: To evaluate exposure

estimation methods such as spatially resolved land-use regression models and ambient monitoring data in the context of epidemiological studies of the impact of air pollution on pregnancy outcomes.\n\nMethods: The study measured personal 48 h exposures (NO, NO(2), PM(2.5) mass and absorbance) and mobility (time activity and GPS) for 62 pregnant women during 2005-2006 in Vancouver, Canada, one to three times during pregnancy. Measurements were compared to modelled (using land-use regression and interpolation of ambient monitors) outdoor concentrations at subjects’ home and work locations.\n\nResults: Personal NO and absorbance (ABS) measurements were moderately correlated (NO: r = 0.54, ABS: r = 0.29) with monitor interpolations and explained primarily within-subject (temporal) variability. Land-use regression estimates including work location improved correlations for NO over those based on home postal code (for NO: r = 0.49 changed to NO: r = 0.

Variables examined included demographics, pleural fluid character

Variables examined included demographics, pleural fluid characteristics and peripheral blood counts. The ADA cut-offs according to age were selected using the receiver operating characteristic (ROC) curve.\n\nResults: The mean pleural fluid ADA was significantly higher in the TPE group

(100 +/- 35 IU/L) compared to non TPE patients (30 +/- 37 IU/L). There was significant correlation between LY2157299 pleural fluid ADA and age, pleural fluid protein, LDH, and fluid absolute lymphocyte count. The strongest correlation was seen with age (r = -0.621). For patients = 55 years old the ROC for ADA had area under curve (AUC) of 0.887. A pleural fluid ADA of 72 IU/L had sensitivity of 95.1%, specificity of 87.5%, positive predictive value (PPV) of 95.1% and negative predictive value (NPV) of 87.5% for the diagnosis of TPE. For patients >55 years old the

CX-6258 inhibitor AUC is 0.959. ADA of 26 IU/L had a sensitivity of 94.7%, specificity of 80.4%, PPV of 62% and NPV of 97.8%.\n\nConclusions: There is a significant negative correlation between pleural fluid ADA and age. For older patients, a lower ADA cut-off should be used to exclude TPE.”
“There are scanty data available on alexithymia in patients with end-stage renal disease, which point to an independent association with depression and social support. This study was devised to investigate the prevalence of alexithymia and sleep disorders in patients maintenance hemodialysis with insuppressible secondary hyperparathyroidism, who need parathyroidectomy (PTX), because previous data from our laboratories as well as those of others showed that this patient-group are the worst sleepers among hemodialysis patients with end-stage renal disease. A total of 40 patients needing PTX were enrolled and

studied before the surgery. As for the control group, 80 patients on maintenance hemodialysis not needing PTX were enrolled. We measured alexithymia with the Toronto Alexithymia Score (TAS-20), sleep disorders with the Pittsburgh Sleep Quality Index (PSQI), and depression with Beck Depression Inventory (BDI), intact parathyroid hormone (iPTH), calcium, phosphate, use of antihypertensives, systolic and diastolic blood pressure, hemoglobin concentration, and albumin learn more concentration. Patients needing PTX in comparison with those not needing PTX had significantly higher iPTH, calcium, and phosphate; they also had significantly higher systolic and diastolic blood pressure. They were more significantly alexithymic (P < .001), had more severe sleep disorders (P < .001), and were more depressed (P < .043). In multivariate analysis, BDI correlated significantly with iPTH concentration (r = 0.505, P < .001). A reduction of TAS-20 occurred after PTX which correlated with the number of patients on antihypertensive drugs, PSQI, BDI, hemoglobin concentration in the univariate and multivariate analysis.

However, the IL-15-induced proliferation leveled off at day 9 and

However, the IL-15-induced proliferation leveled off at day 9 and day 12, whereas IL-2 induced lower but progressive proliferation at each time point. Furthermore, IL-15 caused an early and robust increase of IFN-gamma in the supernatant of TI cell cultures, which diminished at later time points, while the IL-2-induced IFN-gamma production remained constant over time. In addition, the IL-15-costimulated CD8 T cells presented

Selleck CT99021 higher frequencies of apoptotic cells. The diminishing IL-15-induced response was possibly due to regulatory and/or exhaustion mechanisms. We did not observe increased IL-10 or PD-1 upregulation, but we have found an increase of Tim-3 upregulation on IL-15-, but not IL-2-stimulated cells. Blocking Tim-3 function using anti-Tim-3 MRT67307 chemical structure antibodies resulted in

increased IL-15-induced proliferation and IFN-gamma production for a prolonged period of time, whereas adding Tim-3 ligand galectin 9 led to reduced proliferation and IFN-gamma production. Our results suggest that IL-15 in combination of Tim-3 blocking antibodies could potentially act as an IL-2 alternative in tumor CD8 T cell expansion in vitro, a crucial step in adoptive T cell therapy. 2015 Elsevier Inc. All rights reserved.”
“Objective: To compare rates of hospitalization before and after adult-to-adult living donor liver transplant (LDLT) and deceased donor liver transplant (DDLT).\n\nSummary Background Data: LDLT recipients have been reported to have lower mortality but a higher complication rate than DDLT recipients. The higher complication rate may be associated with greater consumption of inpatient hospital resources and a higher burden of disease for LDLT recipients.\n\nMethods: Data from the 9-center Adult-to-Adult Living Donor Liver Transplantation retrospective cohort study were analyzed to determine pretransplant, transplant, and posttransplant hospitalizations among LDLT candidates (potential living donor was evaluated) who received LDLT or

DDLT. Hospital LY2090314 inhibitor days and admission rates for LDLT and DDLT patients were calculated per patient-year at risk, starting from the date of initial potential donor history and physical examination. Rates were compared using over-dispersed Poisson regression models.\n\nResults: Among 806 candidates, 384 received LDLT and 215 received DDLT. In addition to the 599 transplants, there were 1913 recipient hospitalizations (485 pretransplant; 1428 posttransplant). Mean DDLT recipient pretransplant, transplant, and posttransplant lengths of stay were 5.8 +/- 6.3, 27.0 +/- 32.6, and 9.0 +/- 14.1 days, respectively, and for LDLT were 4.1 +/- 3.7, 21.4 +/- 24.3, and 7.8 +/- 11.4 days, respectively. Compared with DDLT, LDLT recipients had significantly lower adjusted pretransplant hospital day and admission rates, but significantly higher posttransplant rates. Significantly higher LDLT admission rates were observed for biliary tract morbidity throughout the second posttransplant year.


“Pulvinaria urbicola Cockerell,

a pulvinariine sof


“Pulvinaria urbicola Cockerell,

a pulvinariine soft scale (Hemiptera: Coccidae), is a broad host-plant generalist, produces honeydew and is commonly tended by ants, including the invasive yellow crazy ant Anoplolepis gracilipes Smith and big-headed ant Pheidole megacephala (Fabricius). Pu. urbicola is implicated in dieback of forest dominated by Pisonia grandis (Nyctaginaceae) on many Indo-Pacific islands. Here we report detection of Pu. urbicola on Christmas ERK phosphorylation Island (Indian Ocean), describe the potential impacts of the association of this trophobiont with introduced ants, and briefly outline biosecurity and management issues. On Christmas Island, Pu. urbicola represents a threat to stands of Pi. grandis, potentially threatens the dominant forest tree Pi. umbellifera, and could exacerbate supercolony

formation and impacts of the yellow crazy ant. (C) 2013 Korean Society of Applied Entomology, Taiwan Entomological Society and Malaysian Plant Protection Society. Published by Elsevier B.V. All rights reserved.”
“The aim of the present study was investigate the impact of seawater immersion on peripheral nerve injury and the underlying mechanisms. A total of 234 specific pathogen-free Sprague-Dawley male rats were randomly divided into a sham group, injury control group and seawater immersion + injury group. The Sciatic Functional Index (SFI) was used to assess nerve function for 6 weeks after injury. Compound muscle action potentials were measured and hematoxylin and eosin (H&E) staining of nerve specimens was carried out at week 6. Levels of reactive MK-2206 oxygen species (ROS) and malondialdehyde (MDA) in nerve tissues were measured by enzyme-linked immunosorbent assay (ELISA), and the expression levels of inducible nitric oxide synthase (iNOS) mRNA and protein were measured by reverse transcription-quantitative polymerase chain reaction and immunohistochemistry, respectively. The SFI value in the seawater immersion + injury group after 6 weeks was lower

than that in the injury control group (P smaller than 0.05). The compound muscle action potential in the seawater Geneticin nmr immersion + injury group had a prolonged latency, and the amplitude and nerve conduction velocity were decreased compared with those in the other groups (P smaller than 0.05). H&E staining demonstrated that nerve fiber regeneration was worse in the seawater immersion + injury group. The ROS and MDA levels in the seawater immersion + injury group were higher than those in the other groups (P smaller than 0.05). The expression levels of iNOS mRNA and protein gradually increased in the injury and seawater immersion + injury groups and peaked at 48 h after surgery. Immersion in seawater further aggravated sciatic nerve injury and led to worse neuronal recovery. The mechanism may be associated with oxidative stress.

Additionally, 725 h of depth EEG from 21 patients was utilized to

Additionally, 725 h of depth EEG from 21 patients was utilized to assess the system performance in a multichannel configuration. Single-channel test data resulted in a sensitivity of 87% and a specificity of

71%. The multichannel test data reported a sensitivity of 81% and a specificity of 58.9%. The new system detected a wide range of seizure patterns that included rhythmic and nonrhythmic seizures of varying length, including those missed by the experts. We also compare the proposed system with a popular commercial system.”
“P>Background\n\nA novel polyomavirus, the Merkel cell polyomavirus this website (MCPyV), has recently been identified in Merkel cell carcinoma (MCC).\n\nObjectives\n\nTo investigate the specificity of this association through the

detection, quantification and analysis of MCPyV DNA in lesional and nonlesional skin biopsies from patients with MCC or with other cutaneous diseases, selleck compound as well as in normal skin from clinically healthy individuals.\n\nMethods\n\nDNA was extracted from lesional and nonlesional skin samples of patients with MCC or with other cutaneous diseases and from normal-appearing skin of clinically healthy subjects. MCPyV DNA was detected by polymerase chain reaction (PCR) and quantified by real-time PCR. Additionally, the T antigen coding region was sequenced in eight samples from seven patients.\n\nResults\n\nMCPyV DNA was detected in 14 of 18 (78%) patients with MCC, five of 18 (28%) patients with other skin diseases (P = 0 center dot 007) and one of six (17%) clinically healthy subjects. In patients with MCC, viral DNA was detected in nine of 11 (82%) tumours and in AZD9291 mouse 10 of 14 (71%) nontumoral skin samples (P = 0 center dot 66). MCPyV DNA

levels were higher in MCC tumours than in nontumoral skin from patients with MCC, and than in lesional or nonlesional skin from patients with other cutaneous disorders. Signature mutations in the T antigen gene were not identified in the two MCC tumour specimens analysed.\n\nConclusions\n\nHigh prevalence and higher levels of MCPyV DNA in MCC supports a role for MCPyV in tumorigenesis. However, the high prevalence of MCPyV in the nontumoral skin and in subjects without MCC suggests that MCPyV is a ubiquitous virus.”
“After the domestication of animals and crops in the Near East some 11,000 years ago, farming had reached much of central Europe by 7500 years before the present. The extent to which these early European farmers were immigrants or descendants of resident hunter-gatherers who had adopted farming has been widely debated. We compared new mitochondrial DNA ( mtDNA) sequences from late European hunter-gatherer skeletons with those from early farmers and from modern Europeans. We find large genetic differences between all three groups that cannot be explained by population continuity alone.


“Thirty-five species of marine mollusk bivalves were analy


“Thirty-five species of marine mollusk bivalves were analyzed for their fatty acid (FA) composition of cardiolipin (Ptd(2)Gro). All species showed a Ptd(2)Gro with strong selectivity for only a few polyunsaturated fatty acids, but three characteristic FA profiles emerged, with clear parallels to bivalve phylogeny. A first group of 12 species belonging to the Eupteriomorphia subgroup (Filibranchia) was characterized by a Ptd(2)Gro almost exclusively composed

of 22:6n-3, whereas in the four Filibranchia Pteriomorph species analyzed, this FA was combined with substantial proportions of 18:2n-6 and 18:3n-3. Finally, a third group of 20 species, all belonging to the Heterodonta subclass, possessed Ptd(2)Gro containing predominantly both 22:6n-3 SBE-β-CD order and 20:5n-3. Polyunsaturated FA moieties GSK2126458 supplier and arrangements in the Ptd(2)Gro of some marine species investigated in other classes of the mollusk phylum (Gastropoda, Polyplacophora) were found to be different. The present results suggest that the specific Ptd(2)Gro

FA compositions in bivalves are likely to be controlled and conserved in species of the same phylogenetic group. Functional significances of the evolution of this mitochondrial lipid structure in bivalves are discussed.”
“Objectives: To assess the potential impact of obesity on the success rate of single incision slings (SIS).\n\nStudy design: This was a retrospective cohort study of women who underwent the SIS procedure for primary stress urinary incontinence. Women were divided into three different groups by body mass index (BMI) according to the WHO classification. The International Consultation on Incontinence-short form (ICIQ-SF), Women

Irritative Prostate Symptoms Score (W-IPSS), Patient Global Impression of Severity (PGI-S) and Patient Global Impression of Improvement (PGI-I) questionnaires were used. Objective and subjective outcomes were the primary outcome measures of the study. SPSS software was used for Go 6983 solubility dmso data analysis.\n\nResults: 206 patients who underwent the SIS procedure were reviewed. At I year follow-up there were 196 women available for the analysis: 69 were normal weight subjects, 91 overweight and 36 obese. Patients in all BMI groups reported a significant improvement in their condition. Nevertheless there was a trend towards lesser objective efficacy of SIS with increasing body weight, with a significant difference between obese women and normal subjects: 75% vs 91.3%, p = 0.049; OR 3.74 (95% CI 1.19-11.76). Analysis of the ICIQ-SF and PGI-I showed significant lower mean +/- SD improvement in obese women when compared with their normal or overweight counterparts, together with a significantly lower number of obese patients reporting themselves as very much improved or much improved.

Participants were informed that they would earn the reward displa

Participants were informed that they would earn the reward displayed if they responded correctly to each trial of the run. According to the results, when rewards were presented supraliminally, a greater unconsciously triggered response inhibition was observed for high-value rewards than for low-value rewards. In contrast,

when rewards were presented subliminally, no enhanced unconsciously triggered response inhibition was observed. Results revealed that supraliminal and subliminal rewards have distinct effects on unconsciously triggered response inhibition. These findings have important implications for extending our understanding of the relationship between reward and response inhibition.”
“Toll-like MMP inhibitor receptor 4 (TLR4) is activated by lipopolysaccharide (LPS), a component of Gram-negative bacteria to induce production of pro-inflammatory mediators aiming at eradication of the bacteria. Dysregulation of the host responses to LPS can lead to a systemic inflammatory condition named sepsis. In a typical scenario, activation of TLR4 is preceded by binding of LPS to CD14 protein anchored in cholesterol- and sphingolipid-rich microdomains of the plasma membrane called rafts. CD14 then transfers the

LPS to the TLR4/MD-2 complex which dimerizes and triggers MyD88- and TRIF-dependent production of pro-inflammatory cytokines and type I interferons. The TRIF-dependent signaling is linked with endocytosis of the activated TLR4, which selleck is controlled by CD14. In addition to CD14, other raft proteins like Lyn tyrosine kinase of the Src family, acid sphingomyelinase, CD44, Hsp70, LB-100 purchase and CD36 participate in the TLR4 signaling triggered by LPS and non-microbial endogenous ligands. In this review, we summarize the current state of the knowledge on the involvement of rafts in TLR4 signaling, with an emphasis

on how the raft proteins regulate the TLR4 signaling pathways. CD14-bearing rafts, and possibly CD36-rich rafts, are believed to be preferred sites of the assembly of a multimolecular complex which mediates the endocytosis of activated TLR4.”
“In the present study, positively charged 1,2-dioleoyloxy-3-trimethylammoniumpropane (DOTAP) liposomes as a delivery system for a hydrophilic decapeptide were developed. The main objective was the preparation of a stable, highly loaded, lyophilised formulation to yield the basis for an acceptable shelf life. The influences of addition of cholesterol, pH value, amounts of lipid and peptide, type and amount of sugar-based cryoprotective agent (trehalose and sucrose), and time point for cryoprotector addition as well as the freeze-drying process parameters were investigated. The collapse temperatures of the liposome dispersions in the presence of the disaccharides trehalose and sucrose were determined using a freeze-drying microscope (Lyostat 2).