Fight Aging! Newsletter, May 22nd 2017
In this study, researchers analysed data of millions of British patients between 1995 and 2015 to see if this claim held true. They tracked people who were obese at the start of the study, defined as people with a body mass index (BMI) of 30 or more, who had no evidence of heart disease, high blood pressure, high cholesterol or diabetes at this point. They found these people who were obese but "metabolically healthy" were at higher risk of developing heart disease, strokes and heart failure than people of normal weight. No such thing as 'fat but fit', major study finds Several studies in the past have suggested that the idea of "metabolically healthy" obese individuals is an illusion, but they have been smaller than this one. The new study involved 3.5 million people, approximately 61,000 of whom developed coronary heart disease. The scientists examined electronic health records from 1995 to 2015 in the Health Improvement Network - a large UK general practice database. They found records for 3.5 million people who were free of coronary heart disease at the starting point of the study and divided them into groups according to their BMI and whether they had diabetes, high blood pressure (hypertension), and abnormal blood fats (hyperlipidemia), which are all classed as metabolic abnormalities. Anyone who had none of those was classed as "metabolically healthy obese". The study found that those obese individuals who appeared ...
This study aims to extract a liver model from LDCT images for facilitating medical expert in surgical planning and post-operative assessment along with low radiation risk to the patient. Our method carried out liver extraction by employing residual convolutional neural networks (LER-CN), which is further refined by noise removal and structure preservation components. After patch-based training, our LER-CN shows a competitive performance relative to state-of-the-art methods for both clinical and publicly available MICCAI Sliver07 datasets. We have proposed training and learning algorithms for LER-CN based on back propagatio...
Conclusion: Using a mathematical framework, we showed that the combination therapy of mTOR and STAT3 genes yields the best apoptosis in breast cancer. Significance: The computational results we arrived at are consistent with the experimental results that we obtained using Cryptotanshinone on MCF-7 breast cancer cell lines and also by the past results of others from the literature, thereby demonstrating the effectiveness of our model.
Conclusion: The proposed deep-learning-based CADx method outperformed four human experts. It was also able to identify morphological characteristics in OCM images that were consistent with histopathological interpretations. Significance: Label-free OCM imaging, combined with deep-learning-based - ADx methods, holds a great promise to be used in clinical settings for the effective screening and diagnosis of cervical diseases.
Conclusion: The presented passive design element counters both failure modes in a simple and highly compatible manner. Significance: Liquid scanning probes enabling targeted interfacing with biological surfaces are compatible with a wide range of workflows and bioanalytical applications. An improved operational robustness would facilitate rapid and widespread adoption of liquid scanning probes in research as well as in diagnostics.
Conclusion: This novel controllable cell array printing technique on the microfluidic platforms provides a useful method with high-quality printing and cell viability for the applications of single-cell analysis and high-throughput drug screening. Significance: The controllable cell printing technique could apply in many biological processes and biomedical engineering applications, such as cell analysis, cancer development, and drug screening and metabolism. Combined with the microfluidic chips, tissue engineering, and sensors, this technique will be widely used for the construction and analysis of biological and biomedical model.
We present a robot-assisted approach for transrectal ultrasound (TRUS) guided prostate biopsy. The robot is a hands-free probe manipulator that moves the probe with the same 4 DoF that are used manually. Software was developed for three-dimensional (3-D) imaging, biopsy planning, robot control, and navigation. Methods to minimize the deformation of the prostate caused by the probe at 3-D imaging and needle targeting were developed to reduce biopsy targeting errors. We also present a prostate coordinate system (PCS). The PCS helps defining a systematic biopsy plan without the need for prostate segmentation. Comprehensive te...
Conclusion: The use of a microtunnel MEA enables the monitoring of the long-term development of human neuronal networks of cell populations that are relatively natural given their lack of astrocyte feeders. Significance: We report a more accurate method for culturing cortical neurons differentiated from hiPSCs, validating their use in elucidating cortical development and pathogenic mechanisms in humans.
Authors: Roviello G, Nobili S, Mini E PMID: 31432747 [PubMed - as supplied by publisher]
CONCLUSIONS: The preliminary results of the present phase II trial, using HT for moderate hypofractionation in localized prostate cancer, are optimal. In fact, HT guaranteed an acceptable tolerability profile with low rates of GU and GI side effects and, more specifically, no acute severe adverse events were recorded. Long-term findings are warranted. PMID: 31432765 [PubMed - as supplied by publisher]
Authors: Buka D, Dvořák J, Richter I, Škrobánek P, Buchler T, Melichar B Abstract There is a growing corpus of evidence indicating that anti-VEGF therapy may normalize the abnormal tumor vasculature with the potential to re-program the tumor immune microenvironment to a more immunosupportive profile. Tumor vessel normalization increases tumor perfusion, and, consequently, oxygen and nutrient supply, and thus can be assumed to improve the general response to anticancer immunotherapy. The increased antitumor immunity responses seen following anti-VEGF therapy may also be associated with the inhi...
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