The demand for care highlights the need for formal paediatric ser

The demand for care highlights the need for formal paediatric services/appropriate surgical training for general surgical trainees.”
“The purpose of the present study was to investigate the effect of extraction temperature and solvent type on the biochemical compounds and antioxidant capacity of Artemisia absinthium. Alternations on biochemical composition and antioxidant potential of extracts were studied due to various extraction conditions, i.e, temperatures (30-60 degrees C), solvent types (methanol, Selleckchem PKC412 ethanol, and acetonitrile), and solvent concentration (25-100%). Total phenolic content (659-1033mg

gallic acid equivalents (GAE)/100g dry weight (DW)) and total flavonoid content (259-392mg catechin equivalents (CE)/100g DW) were examined in all samples. Radical scavenging capacities were determined using the 2,2-diphenyl-2-picrylhydrazyl (DPPH) (51-79%), ferric reducing antioxidant power (FRAP) (151-287 mu M Trolox equivalents (TE)/100g DW), and 2,2 ‘-azino-di-[3-ethylbenzthiazoline sulphonate] (ABTS) (17-33.7mM TE/g FM) methods AR-13324 in triplicate. Plant extracts obtained by 75% methanol at 45 degrees C showed the highest antioxidant capacity, whereas extracts obtained using 75% methanol at 60 degrees C had the highest

levels of total phenolics. RP-HPLC (detection at 205 and 258nm) and thin-layer chromatography (TLC) of analyses did not detect artemisinin in extracts of leaves. On the other hand, high-performance liquid chromatography (HPLC) results showed that extraction solvents had significant effects on anabsinthin amount. This was supported by the result that showed highest anabsinthin extraction was obtained by 75% methanol (16.58 mu g/g DW), but lowest by 25% methanol (9.45 mu g/g DW).”
“A study was conducted to evaluate the effect of sun dried whole bulb garlic powder as phytogenic alternative to antibiotic growth promoters in broilers. Day-old broiler chicks (225; IBL 80) were randomly distributed to 5 treatments with 3 replicates. The dietary treatments comprises of basal diet as control, antibiotic group receiving 0.1g/kg of oxytetracycline, 1.0,1.5 and 2.0% of sun-dried whole bulb garlic powder (WBGP) added to basal diet.

Daily feed intake, weekly body weight and residue left any were recorded to calculate the feed conversion and protein efficiency ratios. At the end of fifth week Selleckchem SB273005 2 birds / replicate were sacrificed to determine the carcass characteristics and meat sensory evaluation. Results revealed that supplementation of WBGP at 1.5% improved the body weight, which is statistically comparable with the antibiotic fed group but the feed conversion ratio was significantly lower in 1.5% WBGP supplemented group than the control and antibiotic groups. Dietary treatment does not significantly influence the carcass characteristics except the relative heart weight. Supplementation of WBGP significantly improved the meat quality parameters as compare to control group.

Taken together, our 3D spheroid model showed enhanced adipogenic

Taken together, our 3D spheroid model showed enhanced adipogenic differentiation

and presents a platform for elucidating DAPT in vitro the key phenotypic responses that occur in pro-inflammatory microenvironments that characterize obesogenic states.”
“Parkinson’s disease (PD) is a progressive neurodegenerative disorder characterized by dopamine neuron loss in the nigrostriatal pathway that shows greater incidence in men than women. The mechanisms underlying this gender bias remain elusive, although one possibility is that androgens may increase dopamine neuronal vulnerability to oxidative stress. Motor impairment can be modeled in rats receiving a unilateral injection of 6-hydroxydopamine (6-OHDA), a neurotoxin producing nigrostriatal degeneration. To investigate the

role of androgens in PD, we compared young (2 months) and aged (24 months) male rats receiving gonadectomy CHIR-99021 in vivo (GDX) and their corresponding intact controls. One month after GDX, rats were unilaterally injected with 6-OHDA, and their motor impairment and asymmetry were assessed 2 weeks later using the cylinder test and the amphetamine-induced rotation test. Plasma samples were also collected to assess the concentration of testosterone and advanced oxidation protein products, a product of oxidative stress. GDX decreased lesion-induced asymmetry along with oxidative stress and increased amphetamine-induced rotations. These results show that GDX improves motor behaviors Adriamycin by decreasing motor asymmetry in 6-OHDA-treated rats, an effect that may be ascribed to increased release of striatal dopamine and decreased oxidative stress. Collectively, the data support the hypothesis that androgens may underlie the gender

bias observed in PD. (C) 2011 Elsevier Inc. All rights reserved.”
“Studies in vitro and in vivo continue to identify complex-regulated mechanisms leading to overt fibrocalcific aortic valve disease (FCAVD). Assessment of the functional impact of those processes requires careful studies of models of FCAVD in vivo. Although the genetic basis for FCAVD is unknown for most patients with FCAVD, several disease-associated genes have been identified in humans and mice. Some gene products which regulate valve development in utero also protect against fibrocalcific disease during postnatal aging. Valve calcification can occur via processes that resemble bone formation. But valve calcification can also occur by nonosteogenic mechanisms, such as formation of calcific apoptotic nodules. Anticalcific interventions might preferentially target either osteogenic or nonosteogenic calcification. Although FCAVD and atherosclerosis share several risk factors and mechanisms, there are fundamental differences between arteries and the aortic valve, with respect to disease mechanisms and responses to therapeutic interventions. Both innate and acquired immunity are likely to contribute to FCAVD.

Journal of Cerebral Blood Flow & Metabolism (2009) 29, 1796-1805;

Journal of Cerebral Blood Flow & Metabolism (2009) 29, 1796-1805; doi:10.1038/jcbfm.2009.96; published online 22 July 2009″
“A new flavonol glycoside, kaempferol 7-O-(6-E-p-coumaroyl)-beta-D-glucopyranosyl-(1

NSC23766 chemical structure -> 3)-alpha-L-rhamnopyranoside 3-O-beta-D-galactopyranoside (1), together with other five known compounds (2-6), were identified from the flowers and leaves of Aconitum angustifolium Bernh. Their chemical structures were elucidated by extensive NMR spectral studies, as well as by ESI-MS analysis. (C) 2012 Phytochemical Society of Europe. Published by Elsevier B.V. All rights reserved.”
“Agaricus blazei Murrill ss. Heinemann (Agaricus brasiliensis Wasser et al.; Agaricus www.selleckchem.com/products/Fludarabine(Fludara).html subrufescens Peck) has raised interest in the scientific community due to its therapeutic properties. Although there are numerous studies about this fungus a few of them study the anti-inflammatory activity and the relationship with basidiocarp development phases.

Thus, the objective of this study was to evaluate the effect of A. blazei extracts of closed and opened basidiocarp on the cell migration of rats submitted to an inflammatory challenge. The basidiocarp extracts were administered by gavage at 55 or 110 mg/kg. The inflammatory challenge was performed by administering phlogistic agent (carrageenan 2%) in an air-pouch induced in the animal subcutaneous tissue. It was concluded that the extracts affect leukocyte mobilisation

regulation; closed basidiocarp extract in doses of 55 and 110 mg/kg and opened basidiocarp extract in 110 mg/kg LY411575 research buy modulate the anti-inflammatory response.”
“The aim of this paper is to report on our ample experience with the medial cord to musculocutaneous (MCMc) nerve transfer. The MCMc technique is a new type of neurotization which is able to reanimate the elbow flexion in multilevel avulsive injuries of the brachial plexus provided that at least the T1 root is intact. A series of 180 consecutive patients, divided into four classes according to the quality of hand function, is available for a long-term follow-up after brachial plexus surgery. The patients enrolled for the study have in common a brachial plexus palsy showing multiple cervical root avulsive injuries at two (C5-C6), three (C5-C6-C7) and four (C5-C6-C7-C8) levels. The reinnervation of the musculocutaneous nerve is obtained via an end-to-end transfer from two donor fascicles located in the medial cord. The selected fascicles are those directed principally to the flexor carpi radialis, ulnaris and, to a lesser degree, the flexor digitorum profundus. Under normal anatomic conditions, they are located in the medial cord, and their site corresponds to the inverted V-shaped bifurcation between the internal contribution of the median nerve and the ulnar nerve.

This article reviews the background and reemergence of WNF in Isr

This article reviews the background and reemergence of WNF in Israel; the recent

epidemiology of WNF among Israelis; and the disease-control strategies being used to combat the disease. Methods: Employing the comprehensive base of case data that are reported to the Ministry of Health, an epidemiological record was constructed that details the incidence and distribution of WNF cases in Israel in recent years. Results: After decades of small, intermittent outbreaks, nearly 1400 cases of WNF were reported in Israel between 2000 and 2012. Incidence was consistently highest in the coastal cities, among elderly patients, and in the late summer months and early autumn. A broad range of control measures to prevent human infection has been implemented, and attention has been given to issues such as the protection of the national blood bank and the occurrence of long-term sequelae. Conclusions: The reemergence of WNF in GSK1210151A Israel is likely the result of a combination of factors including past immunity to the virus among the human population, a marked increase in awareness of WNF among physicians, and more frequent requests for the laboratory testing of suspected cases. In the absence of effective vaccine to protect humans from WNF, the best disease-control strategies include intensive vector-control measures,

the continued development of techniques to forecast outbreaks, and effective public education programs Tubastatin A cell line that are targeted toward the high-risk elderly population. (C) 2013 The British Infection Association. Published by Elsevier Ltd. All rights reserved.”
“The generalized entropy theory is applied to assess the joint influence of the microscopic cohesive energy and chain stiffness on glass formation in: polymer melts using a minimal model containing a single bending energy and a single (monomer averaged) nearest neighbor van der Waals energy.

LY2835219 datasheet The analysis focuses on the combined impact of the microscopic cohesive energy and chain stiffness on the magnitudes of the isobaric fragility parameter m(p) and the glass transition temperature T-g. The computations imply that polymers with rigid structures and weak nearest neighbor interactions are the most fragile, while T-g becomes larger when the chains are stiffer and/or nearest neighbor interactions are stronger. Two simple fitting formulas summarize the computations describing the dependence of M-p and T-g on the microscopic cohesive and bending energies. The consideration of the combined influence of the microscopic cohesive and bending energies leads to the identification of some important design concepts, such as iso-fragility and iso-T-g lines, where, for instance, iso-fragility lines are contours with constant mp but variable T-g. Several thermodynamic properties are found to remain invariant along the iso-fragility lines, while no special characteristics are detected along the iso-T-g lines.

We

We p38 protein kinase here report that RP S19 is present as a complex with prothrombin in the blood stream. Formation of this complex was blocked by a mutation of the glycosaminoglycan-binding basic cluster (Lys(23)-Lys(29)) in RP S19. Prothrombin-RP S19 interaction was enhanced by an absence of Ca2+ and the plasma RP S19 concentration was significantly low in the patient treated with warfarin, indicating participation of the gamma-carboxyl glutamic acid domain of prothrombin making a salt bridge with

the basic cluster. The complex formation likely explains why a protein as small as RP S19 can prevent from a filtering system of renal glomeruli at a steady state. The translocation of RP S19 from prothrombin to platelets during blood coagulation seems to be also advantageous for RP S19 from the perspective of oligomerisation

by activated factor XIII, which should have been activated by thrombin.”
“Skutterudites CoSb(3) with multiple cofillers Ba, La, Citarinostat in vitro and Yb were synthesized and very high thermoelectric figure of merit ZT = 1.7 at 850 K was realized. X-ray diffraction of the densified multiple-filled bulk samples reveals all samples are phase pure. High-resolution scanning transmission electron microscopy (STEM) and energy dispersive X-ray spectroscopy (EDS) analysis confirm that multiple guest fillers occupy the nanoscale-cages in the skutterudites. The fillers are further shown to be uniformly distributed and the Co-Sb skutterudite framework is virtually unperturbed from atomic scale to a few micrometers. Our results firmly show that high power factors can be realized by adjusting the total

filling fraction of fillers with different charge states to Akt inhibitor reach the optimum carrier density, at the same time, lattice thermal conductivity can also be significantly reduced, to values near the glass limit of these materials, through combining filler species of different rattling frequencies to achieve broad-frequency phonon scattering. Therefore, partially filled skutterudites with multiple fillers of different chemical nature render unique structural characteristics for optimizing electrical and thermal transports in a relatively independent way, leading to continually enhanced ZT values from single- to double-, and finally to multiple-filled skutterudites. The idea of combining multiple fillers with different charge states and rattling frequencies for performance optimization is also expected to be valid for other caged TE compounds.”
“Insect osmoregulation is subject to highly sophisticated endocrine control. In Drosophila, both Drosophila kinin and tyramine act on the Malpighian (renal) tubule stellate cell to activate chloride shunt conductance, and so increase the fluid production rate. Drosophila kinin is known to act through intracellular calcium, but the mode of action of tyramine is not known.


“The human mitochondrial transcriptome, although produced


“The human mitochondrial transcriptome, although produced from a small and compact genome, has revealed surprising complexity in its composition and regulation. Wide variation between individual tRNAs, mRNAs, and rRNAs indicate the importance of post-transcriptional Selleckchem Blebbistatin processing, maturation, and degradation mechanisms in the regulation of mitochondrial gene expression. RNA-binding proteins play essential roles in controlling the mitochondrial transcriptome from

its synthesis to its destruction and have evolved unique features to complement the unusual features of mitochondrial RNAs. Recent studies have shown how changes in mitochondrial RNAs and their binding proteins can have significant effects on human health. This opens

new avenues for investigation of mitochondrial RNA-binding proteins and the mechanisms by which they regulate mitochondrial gene expression. WIREs RNA 2012 doi: 10.1002/wrna.1128 For further resources related to this article, please visit the WIREs website.”
“Chiral amines are important for the chemical and pharmaceutical industries, and there is rapidly growing interest to use transaminases for their synthesis. Since the cost of the enzyme is an important factor for process economy, the use of whole-cell biocatalysts is attractive, since expensive purification and immobilization steps can be avoided. Display of the protein on the cell surface provides a possible way to reduce the mass transfer limitations of such biocatalysts. However, transaminases need to dimerize in order to become active, and furthermore, they require the cofactor pyridoxal phosphate; consequently, successful BMS-754807 solubility dmso transaminase surface expression has not been reported thus far. In this work, we produced an Arthrobacter citreus omega-transaminase in Escherichia coli using a surface display vector based on the autotransporter adhesin involved in diffuse adherence (AIDA-I), which has previously been used for display

of dimeric proteins. The correct localization of the transaminase in the E. coli outer membrane and its orientation toward the cell exterior were verified. Furthermore, transaminase activity was detected Thiazovivin exclusively in the outer membrane protein fraction, showing that successful dimerization had occurred. The transaminase was found to be present in both full-length and proteolytically degraded forms. The removal of this proteolysis is considered to be the main obstacle to achieving sufficient whole-cell transaminase activity.”
“Dr. Carl Wiggers’ careful observations have provided a meaningful resource for students to learn how the heart works. Throughout the many years from his initial reports, the Wiggers diagram has been used, in various degrees of complexity, as a fundamental tool for cardiovascular instruction. Often, the various electrical and mechanical plots are the novice learner’s first exposure to simulated data.

Thus, replication can lead to “reversals” in the equilibrium port

Thus, replication can lead to “reversals” in the equilibrium portraits. We study

these reversals, which mark the transition from prelife to life in our model. If the replication potential exceeds a critical value, then life replicates into existence. (c) 2008 Elsevier Ltd. All rights reserved.”
“OBJECTIVES: Lynch syndrome is the most common cause of inherited colorectal cancer (CRC) and is due to germline PHA-848125 supplier mutations in mismatch repair (MMR) genes. Early Lynch syndrome diagnosis and appropriate CRC surveillance improves mortality. Traditional qualitative clinical criteria including Amsterdam and Bethesda guidelines may miss mutation carriers. Recently, quantitative predictive models including MMRPredict, PREMM(1,2,6), and MMRPro were developed to facilitate diagnosis. However, these models remain to be externally validated in the United States. Therefore, we evaluated the test characteristics of Lynch syndrome predictive models in a tertiary referral group at two US academic Mocetinostat centers.\n\nMETHODS: We retrospectively collected data on 230 consecutive individuals who underwent genetic testing for MMR gene mutations at the University of Chicago and University of California at San Francisco’s Cancer Risk Clinics. Each individual’s risk of mutation was examined using MMRPredict, PREMM(1,2,6), and MMRPro.

Amsterdam and Bethesda criteria were also determined. Testing characteristics were calculated for each of the models.\n\nRESULTS: We included 230 individuals in the combined cohort. In all, 113 (49%) probands were MMR mutation carriers. Areas under the receiver operator characteristic curves were 0.76, ACY-738 in vivo 0.78, and 0.82 for MMRPredict, PREMM(1,2,6), and MMRPro, respectively. While similar in overall performance, our study highlights unique test characteristics of these three quantitative models including comparisons of sensitivity

and specificity. Moreover, we identify characteristics of mutation carriers who were missed by each model.\n\nCONCLUSIONS: Overall, all three Lynch syndrome predictive models performed comparably in our multi-center US referral population. These results suggest that Lynch syndrome predictive models can be used to screen for MMR mutation carriers and can provide improved test characteristics compared with traditional clinical criteria. Identification of MMR mutation carriers is paramount as appropriate screening can prevent CRC mortality in this high-risk group.”
“Biodiesel can be produced from low cost non-edible oils and fats. However, most of these sources are of high free fatty acid content which requires two stage transesterification to reduce the acid value and produce biodiesel. The acid treatment step is usually followed by base transesterification since the latter can yield higher conversions of methyl esters at shorter reaction time when compared with acid catalyzed reaction.

Surface plasmon resonance assays revealed that O-sulfated K5 with

Surface plasmon resonance assays revealed that O-sulfated K5 with a high degree of sulfation [K5-OS(H)] and N,O-sulfated K5 with a high [K5-N,OS(H)] or low [K5-N,OS(L)] sulfation degree, but not unmodified

K5, N-sulfated K5, and O-sulfated K5 with low levels of sulfation, prevented the interaction between HPV-16 pseudovirions and immobilized heparin. In cell-based assays, K5-OS(H), K5-N,OS(H), and K5-N,OS(L) inhibited HPV-16, HPV-18, and HPV-6 pseudovirion infection. Their 50% inhibitory concentration was between 0.1 and 0.9 mu g/ml, without evidence of cytotoxicity. These findings provide insights into the design of novel, safe, and broad-spectrum microbicides against genital

HPV infections.”
“This study investigates the applicability of D-PAM, the inverso form of the Protein A Mimetic EGFR inhibitor synthetic peptide affinity ligand (PAM) obtained from the screening of a multimeric combinatorial peptide library, in monoclonal IgG isolation from ascitic fluids and cellular supernatants. D-PAM 3-deazaneplanocin A in vivo affinity columns, prepared by immobilizing the all-D peptide on the commercially available support Emphaze (TM), were able to capture monoclonal antibodies in a single chromatographic step, with a recovery yield and purity degree above 90% and full recovery of antibody activity.\n\nD-PAM/Emphaze resin showed a host cell protein (HCP) and DNA reduction similar to protein A sorbent. Indeed, click here column capacity, determined by applying a large excess of purified antibodies to 1 mL of column bed volume, was always higher than 50 mg/mL.\n\nD-PAM/IgG interaction was characterized by isothermal titration calorimetry (ITC) and an analysis of binding isotherms, obtained for titration of ST2146, ST1485 and 7H3 IgG monoclonal antibodies, suggested that two peptides bind simultaneously to the

IgG molecule, with a K-A (equilibrium association constant) of 3.4, 6.2 and 3.4 x 10(4) M-1, and a Delta H (change in enthalpy) of -1.3, -4.2 and -4.1 kcal mol(-1), respectively. (C) 2008 Elsevier B.V. All rights reserved.”
“Lung cancer is the major health problem and leading cause of cancer-related deaths worldwide owing to late diagnosis and poor prognosis. Aberrant promoter methylation is an important mechanism for silencing tumor-suppressor genes in cancer and a promising tool for the development of molecular biomarkers. Ras association domain family IA (RASSF1A), a pivotal gatekeeper of cell cycle progression, is highly methylated in a wide range of human sporadic tumors, including lung cancer. However, no significant prognostic implications have been observed in most studies qualitatively analyzer by methylation-specific PCR (MSP). We found that the RASSF1A promoter was aberrantly methylated in 44.

In right-sided curve, the risks of the aorta impingement were mai

In right-sided curve, the risks of the aorta impingement were mainly from left PS while in left-sided

curves, from right PS. The aorta was more proximal to entry points in right-sided lumbar curve when compared with left-sided curve; thus placing PS carries more risks in right-sided thoracolumbar/lumbar curve. Surgeons should be more cautious when placing PSs on the concave sides of T12 and L1 vertebrae of right-sided thoracolumbar/lumbar curves.”
“The phenomenon of peak area decrease due to high injection voltage (V-inj, e.g. 10-30 kV, 200-600 V/cm in the 50 cm capillary) was found in the analysis of very dilute DNA fragments ( smaller than 0.2 mg/L) by using high-sensitive electrokinetic supercharging-CGE. The possibility of DNA cleavage in aqueous solution BIBF 1120 in vivo was suggested, in addition to the aggregation phenomenon that is already known. The analysis of intentionally voltage-affected fragments (at 200 V/cm) also showed decreased peak areas depending on the time of the voltage selleckchem being applied. Computer simulation suggested that a high electric field (a few kV/cm or more) could be generated partly between the electrode and the capillary end during electrokinetic injection

(EKI) process. After thorough experimental verification, it was found that the factors affecting the damage during EKI were the magnitude of electric field, the distance between tips of electrode and capillary (D-e/c), sample concentration and traveling time during EKI in sample vials. Furthermore, these factors are correlating with each other. A low conductivity of diluted sample would cause a high electric field (over a few hundred volts per centimeter), while the longer D-e/c results in a longer traveling time during EKI, which may cause a larger degree of damage (aggregation BMS-754807 solubility dmso and cleavage) on the DNA fragments. As an important practical implication of this study,

when the dilute DNA fragments (sub mg/L) are to be analyzed by CGE using EKI, injection voltage should be kept as low as possible.”
“The targeting of proteins to subcellular organelles is specified by the presence of signal/leader peptide sequences normally located on the N-terminus. In the past two decades, messenger RNA (mRNA) localization, a pathway driven by cis-acting localization elements within the RNA sequence, has emerged as an alternative mechanism for protein targeting to specific locations in the cytoplasm, on the endoplasmic reticulum or to mitochondria and chloroplasts. In this review, we will summarize studies on mRNA-based protein targeting to the endoplasmic reticulum and chloroplast within plant cells.”
“Serelaxin, a recombinant form of the human relaxin-2 hormone, is currently under clinical investigation for treatment of acute heart failure.

PEHA/clay nanocomposite was prepared at 90 degrees C using CuBr a

PEHA/clay nanocomposite was prepared at 90 degrees C using CuBr as catalyst URMC-099 purchase in combination with PMDETA as ligand. Different types of clay with same loading were also used to study the effect on reaction rate. The molecular weight (Mn) and polydispersity index of the prepared nanocomposites

were characterized by size exclusion chromatography. The active end group of the polymer chain was analyzed by (1)H NMR analysis and by chain extension experiment. Polymer/clay interaction was studied by Fourier Transform Infrared spectrometry and wide-angle X-ray diffraction analyses. Distribution of clay in the polymer matrix was studied by the transmission electron AZD2014 microscopy. Thermogravimetric

analysis showed that thermal stability of PEHA/clay nanocomposite increases on addition of nanoclay. (C) 2011 Wiley Periodicals, Inc. J Polym Sci Part A: Polym Chem 49: 1564-1571, 2011″
“P-type ATPases form a large superfamily of cation and lipid pumps. They are remarkably simple with only a single catalytic subunit and carry out large domain motions during transport. The atomic structure of P-type ATPases in different conformations, together with ample mutagenesis evidence, has provided detailed insights into the pumping mechanism by these biological nanomachines. Phylogenetically, P-type ATPases are divided into five subfamilies, P1-P5.

These subfamilies differ with respect to transported ligands and the way they are regulated.”
“Incidental observations on nest predation dynamics at 2 map turtle (Graptemys spp.) nesting sites along the Wisconsin River, Iowa County, Wisconsin, were obtained during primary research on the use of electric fencing to decrease turtle nest predation. Sites were continuously monitored by digital trail cameras during the 2008-2011 reproductive seasons. Raccoons (Procyon lotor) displayed temporally focused turtle nest foraging efforts across both sites and years and were the find more only confirmed nest predators. Striped skunks (Mephitis mephitis), Virginia opossums (Didelphis virginiana), coyotes (Canis latrans), and American crows (Corvus brachyrhynchos) were less frequent on site but also displayed recurring seasonal chronologies. Nest predation levels exceeded 90%, with short nest survival timelines suggesting relatively high predation pressures on these sites. Available data provided only limited evidence that post nest construction rainfall reduced nest predation rates.”
“Epigenetic control of genes that are silent in embryonic stem cells, but destined for expression during differentiation, includes distinctive hallmarks, such as simultaneous activating/repressing (bivalent) modifications of chromatin and DNA hypomethylation at enhancers of gene expression.