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They give generally similar estimates for Pleistocene Homo, after accounting for the different shape of the humeral head articular surface in archaic Middle and Late Pleistocene Homo, except for distal humeral estimates for Late Pleistocene specimens, which average somewhat below lower limb estimates. Humeral equations give body mass estimates for australopiths that appear much too high, except for Australopithecus sediba. A chimpanzee-based distal humeral articular formula appears to work well for larger australopith specimens. Discussion The new formulae provide a more secure foundation for estimating hominin body mass from humeri than previously available equations.Skeletal homeostasis is sensitive to perturbations in Wnt signaling. Beyond its role in the bone, Wnt is a major target for pharmaceutical inhibition in a wide range of diseases, most notably cancers. Numerous clinical trials for Wnt-based candidates are currently underway, and Wnt inhibitors will likely soon be approved for clinical use. Given the bone-suppressive effects accompanying Wnt inhibition, there is a need to expose alternate pathways/molecules that can be targeted to counter the deleterious effects of Wnt inhibition on bone properties. Activation of the Pi3k/Akt pathway via Pten deletion is one possible osteoanabolic pathway to exploit. We investigated whether the osteopenic effects of β-catenin deletion from bone cells could be rescued by Pten deletion in the same cells. Mice carrying floxed alleles for Pten and β-catenin were bred to Dmp1-Cre mice to delete Pten alone, β-catenin alone, or both genes from the late-stage osteoblast/osteocyte population. The mice were assessed for bone mass, density, strength, and formation parameters to evaluate the potential rescue effect of Pten deletion in Wnt-impaired mice. Pten deletion resulted in high bone mass and β-catenin deletion resulted in low bone mass. Compound mutants had bone properties similar to β-catenin mutant mice, or surprisingly in some assays, were further compromised beyond β-catenin mutants. Pten inhibition, or one of its downstream nodes, is unlikely to protect against the bone-wasting effects of Wnt/βcat inhibition. Other avenues for preserving bone mass in the presence of Wnt inhibition should be explored to alleviate the skeletal side effects of Wnt inhibitor-based therapies.Background With a record number of medical devices approved or cleared, it is important to understand the performance of devices once they are on the market. Using data from multiple medical devices and multiple sites, the problem of interest in this article is to detect if a device is a signal; that is, if a device performs significantly different from other devices of the same class, when the outcome of interest is a continuous variable. Methods We develop a normal likelihood ratio test (LRT) method, henceforth referred to as normal-LRT, by incorporating sample size information into the methodological framework, to detect device signals using multi-site and multi-device data. Results It is shown via extensive simulation that the proposed method controls the type-I error and false discovery rate (FDR), while having good power and sensitivity. This method is applied to a hypothetical case study, in which 6 medical devices of the same class are compared. Discussion The normal-LRT method can be considered as a tool for device signal detection using data from multi-site and multi-device when the outcome of interest is a continuous measurement.Motivation Reviewing the adverse event data collected in clinical trials is a lengthy and tedious process when these data are presented in the form of tables, data listings, and static graphs. Thus, to enable anyone interested in exploring adverse event data efficiently and relatively independently, we developed AdEPro, a compact, powerful, and easy-to-use interactive app. Description and use of the app AdEPro is an app for (audio-)visualizing adverse event data from clinical trials. The app dynamically displays the onset, severity, and development of selected adverse events on the individual subject level and on the treatment group level. This paper illustrates that there are numerous questions related to adverse events that can be approached by means of AdEPro, e.g., questions about temporal aspects of adverse events, associations between adverse events, and the influence of subject characteristics. AdEPro provides quick first answers to such questions; however, it does not provide statistical proof. Essentially, it acts as a versatile "hypothesis generator," helping the user to decide whether further analyses are indicated. No programming knowledge is required for exploring data by means of AdEPro. However, the user needs some basic knowledge of the software R and of extracting data from a clinical data base. The software code is open source, allowing modifications and expansions of the app, if desired. Availability and implementation AdEPro can be freely obtained from https//cran.r-project.org/package=adepro. It runs on any computer on which R is installed. Patient data are stored and processed locally.Background Although a large number of clinical trials have been conducted, the types of clinical trials that are scientifically influential, frequently utilized by society, and contribute to the progress of evidence-based medicine (EBM) have not been studied. selleck Thus, we aimed to investigate the relationship between the characteristics of clinical trials and the scientific impact of the outcome in non-small cell lung cancer (NSCLC) by performing a bibliometric analysis using relative citation ratio (RCR), a newly developed bibliometric index by the National Institutes of Health (NIH). Methods Primary publications of drug intervention clinical trials for NSCLC between 2007 and 2016 were included in the study. The characteristics of clinical trials were compared among four RCR categories with 50 trials in each [LOW50, 50 NIH percentile (50NIH%ile), 95 NIH percentile (95NIH%ile), and TOP50], totaling to 200 trials. Results Median RCRs of LOW50, 50NIH%ile, 95NIH%ile, and TOP50 were 0.03, 1.00, 5.76, and 26.89, respectively.
Here's my website: https://www.selleckchem.com/products/fetuin-fetal-bovine-serum.html
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