Protein turnover maintains the proteome's functional integrity. Here, protein turnover efficiency over time in wild-type was assessed using inverse [N]-pulse labeling up to 7 days after the egg-laying phase at 20 °C. Isotopic analysis of some abundant proteins was executed favoring data quality over quantity for mathematical modeling.
View Article and Find Full Text PDFCholesterol levels have been repeatedly linked to Alzheimer's Disease (AD), suggesting that high levels could be detrimental, but this effect is likely attributed to Low-Density Lipoprotein (LDL) cholesterol. On the other hand, High-Density Lipoproteins (HDL) cholesterol levels have been associated with reduced brain amyloidosis and improved cognitive function. However, recent findings have suggested that HDL-functionality, which depends upon the HDL-cargo proteins associated with HDL, rather than HDL levels, appears to be the key factor, suggesting a quality over quantity status.
View Article and Find Full Text PDFPurpose: As part of the German interdisciplinary S3-guideline "Diagnosis, Treatment and Followup of Renal Cell Carcinoma", this article aimes to provide guidance regarding the use of supportive therapy and complementary medicine in patients with advanced or metastatic renal cell carcinoma.
Methods: The German interdisciplinary S3-guidelines are national clinical practice guidelines that implement the highest methodological quality of evidence-based medicine. Recommendations and evidence-based statements are provided according to available evidence.
Background: There is an urgent need for effective treatments against glioblastoma (GBM). In this trial, we investigated the efficacy and safety of an adoptive cell-based immunotherapy.
Methods: Patients with newly diagnosed GBM were recruited at 4 study sites in Sweden.
are common components of human skin, and as the dominant human skin eukaryotic microbe, they take part in complex microbe-host interactions. Other phylogenetically related fungi (including within ) communicate with their plant host through bioactive oxygenated polyunsaturated fatty acids, generally known as oxylipins, by regulating the plant immune system to increase their virulence. Oxylipins are similar in structure and function to human eicosanoids, which modulate the human immune system.
View Article and Find Full Text PDFPurpose: This study aimed at (1) investigating the work status of men treated by radical prostatectomy due to diagnosis of localized prostate cancer (LPCa) three years after having attended a cancer rehabilitation program and (2) identifying prospective risk factors for not working at this time point.
Methods: In a longitudinal, questionnaire-based multicenter study, 519 working-age LPCa survivors reported on their work status 12 and 36 months following rehabilitation. Chi-square tests/t tests and multivariable logistic regression analysis were used to identify prospective factors associated with not working at 36 months follow-up.
P-glycoprotein (Pgp) detoxifies cells by exporting hundreds of chemically dissimilar hydrophobic and amphipathic compounds and is implicated in multidrug resistance (MDR) in the treatment of cancers. Photoaffinity labeling of plasma membrane vesicles of MDR CHO B30 cells with the anthracycline [ I]-iodomycin, subsequent sequential cleavage with BNPS-skatol and endoproteinase Lys-C, and the Edman sequencing of the purified photoaffinity-labeled peptide identified the lysine residue at position 268 in the hamster Pgp primary sequence as the major photobinding site of iodomycin in CHO B30 cells. Lysine 268 is located adjacent to the cytosolic terminus of transmembrane 5.
View Article and Find Full Text PDFHuman tear is a biological fluid rich in lipids that is increasingly collected in clinical and biological research. The repertoire of small lipids or lipid mediators (often termed eicosanoids or oxylipins) found in human tear provides insight into metabolism of fatty acids and physiology of the ocular surface and Meibomian glands. Disturbances in the tear lipid mediators profile also occur during inflammation of the ocular surface that is not directly linked to lipid metabolism.
View Article and Find Full Text PDFProstaglandins Other Lipid Mediat
December 2020
Meibomian gland dysfunction (MGD) represents a major cause of dry eye and ocular discomfort. Lipid mediators, often termed oxylipins, can be produced enzymatically or non-enzymatically, and may modulate inflammatory processes in MGD. Here, we aimed to assess the longitudinal changes of lipid mediators after various eyelid treatments (eyelid warming and thermopulsation) over 12 weeks.
View Article and Find Full Text PDFBackground: The link between cholesterol and Alzheimer's disease (AD) has received much attention, as evidence suggests high levels of cholesterol might be an AD risk factor. The carriage of cholesterol and lipids through the body is mediated via lipoproteins, some of which, particularly apolipoprotein E (ApoE), are intimately linked with AD. In humans, high density lipoprotein (HDL) is regarded as a "good" lipid complex due to its ability to enable clearance of excess cholesterol via 'cholesterol reverse transport', although its activities in the pathogenesis of AD are poorly understood.
View Article and Find Full Text PDFPurpose: Trabeculectomy surgery could affect ocular surface disease (OSD) in several ways, through cessation of long term glaucoma eyedrops, exposure to operative mitomycin C and post-operative eyedrops including corticosteroids and aminoglycosides and reduction in eyelid hygiene measures. Previously we showed the relevance of tear lipid mediators (also referred oxylipins) in OSD. Here, we aim to evaluate changes of these lipids in a post-trabeculectomy cohort.
View Article and Find Full Text PDFThis study is aimed at identifying the impact of a team-based train-the-trainer program (TTT-P) to enhance healthcare professional (HCP) skills in patient education during medical rehabilitation. Focusing on patient-reported outcomes, a prospective, sequential two-cohort study was conducted in the fields of psychosomatic and oncological rehabilitation. Two hundred fifteen patients were evaluated before (Cohort 1) and 196 post implementation of TTT-P (Cohort 2).
View Article and Find Full Text PDFR-loops, three-stranded DNA-DNA:RNA hybrid structures, are best known for their deleterious effects on genome stability. The regulatory factors of this fundamental genetic structure remain unclear. Here, we reveal an epigenetic factor that controls R-loop stability.
View Article and Find Full Text PDFPurpose To investigate factors associated with expectations of delayed return to work (RTW) in patients with prostate cancer recently admitted to a cancer rehabilitation program. Methods In this multicenter study, data about expected time until RTW and potential correlates (personal, medical, psychosocial and work-related factors) were obtained from 822 employed cancer rehabilitation participants at the beginning of the program. Participants expecting early RTW (≤ 3 months) and delayed RTW (> 3 months) were compared.
View Article and Find Full Text PDFHuman cytomegalovirus (HCMV) is a ubiquitous herpesvirus that has been linked with the development of systemic lupus erythematosus (SLE). Thus far, molecular mimicry has been implicated as the principal mechanism that explains this association. In this study, we characterise a potential alternative process whereby HCMV contributes to SLE.
View Article and Find Full Text PDFAtherosclerosis is the main killer in the western world. Today's clinical markers include the total level of cholesterol and high-/low-density lipoproteins, which often fails to accurately predict the disease. The relationship between the lipid exchange capacity and lipoprotein structure should explain the extent by which they release or accept lipid cargo and should relate to the risk for developing atherosclerosis.
View Article and Find Full Text PDFProc Natl Acad Sci U S A
April 2019
Biomineralization, the process by which mineralized tissues grow and harden via biogenic mineral deposition, is a relatively lengthy process in many mineral-producing organisms, resulting in challenges to study the growth and biomineralization of complex hard mineralized tissues. Arthropods are ideal model organisms to study biomineralization because they regularly molt their exoskeletons and grow new ones in a relatively fast timescale, providing opportunities to track mineralization of entire tissues. Here, we monitored the biomineralization of the mantis shrimp dactyl club-a model bioapatite-based mineralized structure with exceptional mechanical properties-immediately after ecdysis until the formation of the fully functional club and unveil an unusual development mechanism.
View Article and Find Full Text PDFCaloric restriction (CR) is an intervention that can increase maximal lifespan in organisms, but its application to humans remains challenging. A more feasible approach to achieve lifespan extension is to develop CR mimetics that target biochemical pathways affected by CR. Recent studies in the engineering and structural characterization of polyketide synthases (PKSs) have facilitated their use as biocatalysts to produce novel polyketides.
View Article and Find Full Text PDFMeibomian gland (MG) dysfunction is the leading cause of evaporative dry eye and it leads to inflammation of the ocular surface. Eicosanoids may be involved in inflammation of dry eye. This study aimed to profile tear eicosanoid levels in healthy individuals and those with MG dysfunction, and to examine if these levels are associated with clinical factors and expressibility of MG.
View Article and Find Full Text PDFBackground: This prospective multicentre-study aimed to analyze return to work (RTW) among prostate cancer survivors 12 months after having attended a cancer rehabilitation program and to identify risk factors for no and late RTW.
Methods: Seven hundred eleven employed prostate cancer survivors treated with radical prostatectomy completed validated self-rating questionnaires at the beginning, the end, and 12 months post rehabilitation. Disease-related data was obtained from physicians and medical records.
Skin provides the first defense against pathogenic micro-organisms and is also colonized by a diverse microbiota. Phylogenetic analysis of whole skin microbiome at different skin sites in health and disease has generated important insights on possible microbial involvement in modulating skin health. However, functional roles of the skin microbial community remain unclear.
View Article and Find Full Text PDFPathological manifestations in rainbow trout (Oncorhynchus mykiss) following experimental waterborne infection with Yersinia ruckeri serotype O1 biotype 2 (strain 07111224) were investigated. Rainbow trout were exposed to 8 × 10 CFU/ml of Y. ruckeri by bath for 6 hr, and mortality was then monitored for 22 days post-infection (dpi).
View Article and Find Full Text PDFJ Chromatogr B Analyt Technol Biomed Life Sci
September 2017
Pre-analytical treatment of blood plasma is a time consuming and often rate limiting step in the workflow of LC/MS analysis. We present in this pilot study a new approach for quantitative LC/MS based on weak affinity chromatography (WAC) of crude plasma. The steroid hormone cortisol was selected as a clinically relevant biomarker, as it currently requires extensive pre-analytical preparation.
View Article and Find Full Text PDFPurpose: Approximately 60% of patients are able to work following a cancer diagnosis. The return-to-work (RTW) process after disability can be conceptualized as a multi-phase construct. This study investigated RTW outcomes throughout the RTW process among survivors of prostate cancer (PC) attending a cancer rehabilitation measure.
View Article and Find Full Text PDFRehabilitation (Stuttg)
August 2017
We evaluated processes in in- and outpatient rehabilitation after radical prostatectomy. Overall, we analyzed motivation and expectations of 119 in- and 719 outpatients (aged≤64) at the beginning of rehabilitation as well as satisfaction and the amount of interventions at the end. Compared to inpatients outpatients had a higher socio-economic status and better physical condition.
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