Publications by authors named "OEzlue Aran"

We present WearMoCap, an open-source library to track the human pose from smartwatch sensor data and leveraging pose predictions for ubiquitous robot control. WearMoCap operates in three modes: 1) a Watch Only mode, which uses a smartwatch only, 2) a novel Upper Arm mode, which utilizes the smartphone strapped onto the upper arm and 3) a Pocket mode, which determines body orientation from a smartphone in any pocket. We evaluate all modes on large-scale datasets consisting of recordings from up to 8 human subjects using a range of consumer-grade devices.

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Drug resistance is a major challenge in cancer therapy, and the expression of efflux pumps such as P-glycoprotein (P-gp, ABCB1) often correlates with poor prognosis in various tumors, including glioblastoma (GB). Considering that different roles for these proteins have been established in the biology of various tumors, this study aimed to investigate the functions of P-gp in GB-derived cells by evaluating its survival, migratory, and apoptosis-regulating capabilities, as well as its potential as a liquid biopsy biomarker. P-gp expression was diminished via siRNA to determine its exact role in GB biology.

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Acute myeloid leukemia is a cancer involving uncontrolled proliferation of hematopoietic cells. Cutaneous involvement is referred to as leukemia cutis (LC). The histopathologic presentation of LC is variable, and may present with perivascular, periadnexal, dermal, or subcutaneous infiltrate.

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Pituitary tumours (PT) are formed in the pituitary gland, a small gland situated at the base of the brain. These tumours can be categorized according to their histological origin and hormone production. In surgical series, non-functioning PT are the commonest subtype, followed by functioning somatotroph and corticotroph tumours.

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Bisacodyl is a widely used laxative that stimulates both motility and secretion. Our aim was to exploit the unique capabilities of MRI to define bisacodyl's mode of action. Two placebo-controlled cross-over trials were performed, one using a single dose of Bisacodyl 5 mg while the second dosed daily for 3 consecutive days.

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Background: Metrics evaluating the functional quality of red blood cells (RBCs) must consider their role in oxygen delivery. Whereas oxygen-carrying capacity is routinely reported using haemoglobin assays, the rate of oxygen exchange is not measured, yet also important for tissue oxygenation. Since oxygen-unloading depends on the diffusion pathlength inside RBCs, cell geometry offers a plausible surrogate.

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Background: Umbilical cord blood (CB) units stored in banks are an important source of hematopoietic stem cells for transplantation and other cell therapies. New applications, such as their use in transfusions, require rapid quality release as cord blood red blood cells (CB-RBC) have a shorter shelf life.

Study Design And Methods: This project aims to investigate the most prevalent microbial contaminants in CB preparations and validate a rapid sterility testing strategy for CB-RBC based on an automated system (BACT/ALERT®) in tandem with a molecular assay (real-time PCR) capable of detecting at least 100 CFU/mL of Cutibacterium acnes in CB-RBC to accelerate the detection of the most common slow-growing bacteria.

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Background: Hepatic veno-occlusive disease (VOD) is a life-threatening complication of hematopoietic cell transplantation (HCT) and is categorized as a transplant-related, systemic endothelial disease. Severe VOD can lead to multi-organ dysfunction (MOF) and is associated with a high mortality rate.

Objective: To evaluate the incidence of VOD in children after HCT and analyze the outcomes and risk factors associated with increased mortality.

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Objectives: To determine the reliability of the Bleeding Assessment Scale in critically Ill Children (BASIC) definition of bleeding severity in a diverse cohort of critically ill children.

Design: Prospective cohort study.

Setting: Eight mixed PICUs in the Netherlands, Israel, and the United States.

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mRNA reprogramming is a technology for generating iPSCs with high efficiency and safety. However, it is not suitable for reprogramming non-adherent cells, the primary cell type in blood. An alternative is to obtain adherent cells from blood for this technology.

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Studies suggest that parents' emotional availability (EA) is associated with children's wellbeing, including in the case of children with autism. Our study extended prior research by examining the role of parents' representations in fostering parental EA and by focusing on fathers and on children with autism and severe behavior problems. We expected that parents' positive representations would be associated with higher EA and compared mothers' and fathers' representations and EA.

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Article Synopsis
  • The study compares the effectiveness and safety of combined CTLA-4 and PD-1 blockade therapy to anti-PD-1 monotherapy in treating metastatic melanoma patients.
  • Results indicate no overall survival difference between the two treatments for the entire cohort, but combined therapy showed better results for patients with multi-organ metastasis, while monotherapy was more beneficial for those with oligo-organ metastasis.
  • Patients receiving combination therapy also faced significantly higher hospitalization rates from adverse immune-related events when they had oligo-organ metastasis, highlighting the need for careful treatment selection.
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  • Poor prenatal sleep quality in mothers is linked to negative outcomes for both the mother and infant, including changes in brain development and increased anxiety-like behaviors.
  • A study involving 116 mother-infant pairs used surveys to assess maternal sleep quality and MRI scans to examine neonatal brain development, specifically focusing on the uncinate fasciculus.
  • Results showed that poorer maternal sleep during pregnancy correlated with higher levels of white matter in infants, which then related to greater infant negative emotionality, indicating that maternal sleep is an important environmental factor influencing child development.
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Hypoxia-inducible factor 1α (HIF-1α) is a crucial transcription factor that regulates cellular responses to low oxygen levels (hypoxia). In Alzheimer's disease (AD), emerging evidence suggests a significant involvement of HIF-1α in disease pathogenesis. AD is characterized by the accumulation of amyloid-beta (Aβ) plaques and neurofibrillary tangles (NFTs), leading to neuronal dysfunction and cognitive decline.

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Rationale: Neurological conditions like Stroke and Alzheimer's disease (AD) often include inflammatory responses in the nervous system. Stroke, linked to high disability and mortality rates, poses challenges related to organ-related complications. Recent focus on understanding the pathophysiology of ischemic stroke includes aspects like cellular excitotoxicity, oxidative stress, cell death mechanisms, and neuroinflammation.

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Chagas disease is a prevalent health problem in Latin America which has received insufficient attention worldwide. Current treatments for this disease, benznidazole and nifurtimox, have limited efficacy and may cause side effects. A recent study proposed investigating a wide range of nitroindazole and indazolone derivatives as feasible treatments.

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Osteosarcoma (OS) mortality stems from lung metastases. Matrix metalloproteinases (MMPs) facilitate metastatic dissemination by degrading extracellular matrix components. Herein we studied the impact of targeted MMP downregulation on OS metastasis.

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Rationale: The endocannabinoid system (ECS) belongs to the G protein-coupled receptor family of cell membranes and is associated with neuropsychiatric conditions, and neurodegenerative diseases. Cannabinoid 2 receptors (CB2) are expressed in the central nervous system (CNS) on microglia and subgroups of neurons and are involved in various behavioural processes via immunological and neural regulation.

Objective: The objective of this paper is to summarize and explore the impact of CB2 receptors on neuronal modulation, their involvement in various neurological disorders, and their influence on mood, behavior, and cognitive function.

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Article Synopsis
  • Metformin, a medication known for its ability to inhibit cell growth, has demonstrated effectiveness against the larval stage of a parasite in experimental models of cystic echinococcosis (CE).
  • Administered at a high dose of 250 mg/kg/day, metformin was found to significantly reduce the size of parasite cysts and disrupt their internal structure, while also decreasing their glucose availability, which limits the parasite's energy and growth potential.
  • The study suggests that metformin could be a valuable treatment option for CE, prompting the need for further research to optimize its use in humans suffering from this chronic disease.
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Early detection of malignancies, through regular cancer screening, has already proven to have potential to increase survival rates. Yet current screening methods rely on invasive, expensive tissue sampling that has hampered widespread use. Liquid biopsy is noninvasive and represents a potential approach to precision oncology, based on molecular profiling of body fluids.

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Artificial Intelligence (AI) has made significant strides due to advancements in processing algorithms and data availability. Recent years have shown a resurgence in AI, driven by breakthroughs in deep machine learning. AI has attracted particular interest in the medical sector, especially in the field of personalized medicine, which for example uses large-scale genomic and molecular data to predict individual patient treatment responses.

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  • Prematurity can cause health problems in newborns, and anemia is a common issue for very premature babies who often need blood transfusions.
  • Researchers are looking into using cord blood (from the umbilical cord) as an alternative to adult blood for these transfusions to avoid complications.
  • The study compared the quality and characteristics of cord blood red blood cells to adult red blood cells during storage and found that cord blood cells had some stability issues but were generally acceptable for use.
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Human embryonic stem cells (hESCs) derived from blastocyst stage embryos present a primed state of pluripotency, whereas mouse ESCs (mESCs) display naïve pluripotency. Their unique characteristics make naïve hESCs more suitable for particular applications in biomedical research. This work aimed to derive hESCs from single blastomeres and determine their pluripotency state, which is currently unclear.

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