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Extracellular Histones Induce Chemokine Production in Whole Blood Ex Vivo and Leukocyte Recruitment In Vivo.

The innate immune system relies to a great deal on the interaction of pattern recognition receptors with pathogen- or damage-associated molecular pattern molecules. Extracellular histones belong to the latter group and their release has been described to contribute to the induction of systemic inflammatory reactions. However, little is known about their functions in the early immune response to an

The Liability of Politicalness: Legitimacy and Legality in Piracy-proximate Entrepreneurship

This article explores three entrepreneurial ventures that have evolved in proximity to online piracy. In reviewing the respective cases of Spotify, Skype, and The Pirate Bay, the argument outlines the radically divergent strategies with which the entrepreneurs have sought to legitimise their ventures and underlying technologies. The article concludes that 1) the context of practices labelled “pira

POMC and TP53 genetic variability and risk of basal cell carcinoma of skin: Interaction between host and genetic factors

Background: Basal cell carcinoma (BCC) of the skin is the most common neoplasm among the Caucasian population of the western world. Ultraviolet (UV) radiation-induced p53 activation promotes cutaneous pigmentation by increasing transcriptional activity of pro-opiomelanocortin (POMC) in the skin. Induction of POMC/alpha-melanocyte-stimulating hormone (alpha-MSH) activates the melanocortin 1 recepto

M1 Protein-Dependent Intracellular Trafficking Promotes Persistence and Replication of Streptococcus pyogenes in Macrophages

Streptococcus pyogenes is an important human pathogen that causes a variety of diseases including life-threatening invasive diseases, such as toxic shock and deep tissue infections. Although S. pyogenes are classically considered extracellular pathogens, a clinical significance of an intracellular source has been emphasized. In patients with deep tissue infections, an intracellular reservoir of S.

Lamellar miscibility gap in a binary catanionic surfactant-water system

The coexistence of two lamellar liquid-crystalline phases in equilibrium for binary surfactant-water systems is a rare and still puzzling phenomenon. In the few binary systems where it has been demonstrated experimentally, the surfactant is invariably ionic and the miscibility gap is thought to stem from a subtle balance between attractive and repulsive interbilayer forces. In this paper, we repor

Host and pathogen hyaluronan signal through human siglec-9 to suppress neutrophil activation.

Inhibitory CD33-related Siglec receptors regulate immune cell activation upon engaging ubiquitous sialic acids (Sias) on host cell surface glycans. Through molecular mimicry, Sia-expressing pathogen group B Streptococcus binds inhibitory human Siglec-9 (hSiglec-9) to blunt neutrophil activation and promote bacterial survival. We unexpectedly discovered that hSiglec-9 also specifically binds high m

The major histocompatibility complex (MHC) of the secondary transplant tissue donor influences the cross-reactivity of alloreactive memory cells.

Memory cells are currently thought to be a major barrier to tolerance induction in transplantation. However, whether alloreactive memory cells resulting from a primary transplant have cross-reactivity in a second transplant is unclear. Here, we used skin transplantation from BALB/c mice donors to pre-sensitize C(57) BL/6 (B6) mice. One month later, several strains of mice (including BALB/c, DBA/2,

Proteomics data collection--4th ProDaC workshop 15 August 2008, Amsterdam, The Netherlands

ProDaC (Proteomics Data Collection), a Coordination Action within the 6th EU framework programme, was created to support the collection, distribution and public availability of data from proteomics experiments. Within the consortium standards are created and maintained enabling an extensive data collection within the proteomics community. Important elements of ProDaC are workshops held twice a yea

The CILO method: firm-supportive research approach enhancing enterprise performance

This paper describes a case of collaboration between academia and business firms in supporting innovation processes based on the CILO method, named after the CILO project (communication in learning organizations). The CILO method is an example of firm-supportive research approach. We describe the outcomes related to enhancing enterprise performance from applying the CILO-method in relation to one

A computer-based design system for lightweight grippers in the automotive industry

This paper presents the development as well as the architecture of a computer-aided dedicated fixture design system intended to support the design of lightweight (carbon fiber composite) grippers for a major truck company. Lightweight grippers were required due to the increasing production rates in the automotive industry. The current robotic equipment was facing diverse problems during transporta

Study of the sequential constraint-handling technique for evolutionary optimization with application to structural problems

Engineering design problems are most frequently charac-terized by constraints that make them hard to solve and time-consuming. When evolutionary algorithms are used to solve these problems, constraints are often handled with the generic weighted sum method or with techniques specific to the prob-lem at hand. Most commonly, all constraints are evaluated at each generation, and it is also necessary

Self-identified thermal comfort zone and perceived climate changes: a questionnaire study in temperate, tropical and cold climates

The present study was conducted to explore self-identified thermal comfort zone and the perceived climate changes of indigenes who live in temperate, tropical and cold climates. A questionnaire study was carried out in the following seven countries: Mongol (Bsk by Köppen’s climate classification), Sweden (Cfb), Korea (Dwa), Japan (Cfa), Fiji (Af), Indonesia (Af), and Malaysia (Af). A total of 125

Socioeconomic status, social capital and self-reported unmet health care needs : A population-based study

Aims: The aim of this study was to investigate the associations between socioeconomic status (SES) and self-reported unmet health care needs, taking economic stress, generalized trust in other people and trust in the health care system into account. Methods: The 2012 public health survey in Scania was conducted using a postal questionnaire and included 28,029 participants aged 18-80 years. The stu

Which cloud auto-scaler should i use for my application? Benchmarking auto-scaling algorithms : [Poster paper]

Rapid elasticity is one of the essential characteristics of cloud computing identified by NIST [17]. Elasticity allows resources to be provisioned and released to scale rapidly out ward and in ward according to demand. Tens - if not hundreds - of algorithms have been proposed in the literature to automatically achieve elastic provisioning [15, 23, 14, 21, 13, 20, 6, 12, 16, 10]. These algorithms a

Thrombin-derived host-defense peptides modulate monocyte/macrophage inflammatory responses to gram-negative bacteria

Host-defense peptides play a fundamental role in the innate immune system by modulating inflammatory responses. Previously, it was shown that the thrombin derived host-defense peptide GKY25 inhibits LPS-induced responses of monocytes and macrophages in vitro, ex vivo, and in vivo. In this study, the effect of GKY25 on the interaction of monocytes/macrophages with Gram-negative bacteria was explore

Coronary flow and reactivity, but not arrhythmia vulnerability, are affected by cardioplegia during cardiopulmonary bypass surgery of piglets

Introduction: Cardiopulmonary bypass (CPB) surgery remains associated with significant cardiovascular morbidity in both pediatric and adult patients but the mechanisms are not fully clarified. Abnormalities in coronary flow and function have beensuggested to play an important role. A few prior studies suggested protective effects on coronary and myocardial function by short intravenous (i.v.) infu

Immune response in deep cervical lymph nodes and spleen in the mouse after antigen deposition in different intracerebral sites

Brain interstitial and cerebrospinal fluid drainage into the lymphatics was studied by injections of 5 microliters of packed sheep red blood cells (SRBC) injected into the caudate nucleus, the occipital lobe, and the lateral ventricle of the brain in mice. The number of plaque-forming cells (PFC) was determined in the deep cervical lymph nodes, the axillary lymph nodes, and the spleen, and the num

Needle biopsies on autopsy prostates: sensitivity of cancer detection based on true prevalence

BACKGROUND: It is difficult to estimate the diagnostic accuracy of biopsy for prostate cancer because men with negative biopsy do not undergo radical prostatectomy and thus have no confirmation of biopsy findings. METHODS: We performed 18-core needle biopsies on autopsy prostates from 164 men who had no history of prostate cancer. Six-core biopsies were taken from each of the mid peripheral zone (

A Metalloproteinase Karilysin Present in the Majority of Tannerella forsythia Isolates Inhibits All Pathways of the Complement System.

Tannerella forsythia is a poorly studied pathogen despite being one of the main causes of periodontitis, which is an inflammatory disease of the supporting structures of the teeth. We found that despite being recognized by all complement pathways, T. forsythia is resistant to killing by human complement, which is present at up to 70% of serum concentration in gingival crevicular fluid. Incubation