Publications by authors named "Henry Volzke"

Aim: To elucidate whether ranked probing depth (PD) data translate into ranked PD outcomes after 10 years of follow-up and the associated tooth loss.

Materials And Methods: From the Study of Health in Pomerania (SHIP-START), all participants were retrospectively included with complete PD measurements in both baseline and 10-year follow-up, comprising 1887 participants. The trajectory of percentile-based quintiles of mean PD measurements was followed.

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Context: Subclinical thyroid dysfunction (ScTD) comprising subclinical hypothyroidism (SHypo) and subclinical hyperthyroidism (SHyper) has been associated with increased risk for cardiovascular events.

Objective: To assess associations between ScTD and cardiovascular risk factors (cvRFs) according to age and sex.

Design And Setting: Pooled individual participant data analysis of large prospective cohort studies from the Thyroid Studies Collaboration.

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Objective: Research is lacking examining the effect of malocclusion on tooth loss. The aim of this study was to analyze the possible impact of moderate and severe malocclusions on tooth loss over the course of twenty years.

Material And Methods: Of 1269 subjects aged between 25 and 49 years with at least 20 teeth of the population-based Study of Health in Pomerania in Germany, malocclusions were initially assessed according to a German orthodontic index of treatment priority between 1997 and 2001.

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  • This study explores the use of advanced deep learning methods to automatically measure body composition from whole-body MRI scans, aiming to assess their ability to predict mortality in the general population.
  • The investigation was based on data from two large Western European cohort studies, focusing on key body composition metrics such as subcutaneous and visceral adipose tissue, skeletal muscle, and intramuscular fat.
  • Results indicate significant associations between several volumetric body composition measures and mortality risk, highlighting the potential of automated techniques to improve clinical outcomes related to cardiometabolic diseases and cancer.
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  • The study investigates the trends in metabolic cardiovascular risk factors like type 2 diabetes (T2D), dyslipidemia, and hepatic steatosis in Northeast Germany from 2000 to 2012.
  • It found that while treatments for T2D and dyslipidemia increased among adults, the prevalence of dyslipidemia slightly decreased, and hepatic steatosis rose significantly, especially in women and younger individuals.
  • The study emphasizes that promoting healthy diets and obesity control could help prevent these increasing health issues in the region.
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Background: The association of overall cardiovascular health (CVH) with changes in DNA methylation (DNAm) has not been well characterized.

Methods: We calculated the American Heart Association's Life's Essential 8 (LE8) score to reflect CVH in five cohorts with diverse ancestry backgrounds. Epigenome-wide association studies (EWAS) for LE8 score were conducted, followed by bioinformatic analyses.

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Objective: To analyze sleep quality and associated socio-demographic and lifestyle factors in participants from a city originally colonised by Germans in southern Brazil.

Methods: A cross-sectional population-based study of 2333 individuals aged 20 to 79 years. Data was collected by interview using a structured questionnaire.

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Objective: Diet plays a crucial role in the development of metabolic syndrome (MetS). While dietary recommendations primarily focus on quality of food intake, the relevance and mechanisms of dietary diversity for the prevention of obesity and metabolic diseases are unclear. Here, we investigate the respective associations of dietary diversity and quality with MetS and gut microbiota composition.

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  • * There was a significant increase in the use of thyroid-stimulating hormone (TSH) measurements (44% in males and 31% in females) and levothyroxine (31% increase for both sexes), indicating a rise in diagnosis and treatment.
  • * Conversely, some procedures like scintiscan and biopsy usage declined, suggesting that while thyroid disorders may be decreasing, the increase in TSH testing and levothyroxine prescriptions might indicate potential overdiagnosis and overtreatment.
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  • - White matter hyperintensities indicate damage in the brain's white matter, which can lead to brain shrinkage and is linked to dementia; a study of over 51,000 people found that larger volumes of these hyperintensities correspond to thinner brain cortex.
  • - Researchers identified 20 significant genetic loci related to white matter hyperintensities that affect genes involved in brain cell types known to support vascular health and neuronal function; some of these genes play roles in processes like axonal structure and transport within the brain.
  • - The genetic traits tied to white matter issues were linked to cardiovascular health, neurodegeneration markers, and poorer cognitive performance, with a polygenic risk score effectively predicting dementia risk in a separate large
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  • Subcortical brain structures play a crucial role in various developmental and psychiatric disorders, and a study analyzed brain volumes in 74,898 individuals, identifying 254 genetic loci linked to these volumes, which accounted for up to 35% of variation.
  • The research included exploring gene expression in specific neural cell types, focusing on genes involved in intracellular signaling and processes related to brain aging.
  • The findings suggest that certain genetic variants not only influence brain volume but also have potential causal links to conditions like Parkinson’s disease and ADHD, highlighting the genetic basis for risks associated with neuropsychiatric disorders.
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  • Antimicrobial autoantigenic glycoprotein 2 (GP2) plays a significant role in the immune system and is linked to the gut microbiome, but its systemic effects and associations are not fully understood.
  • In a study involving 2,812 participants, higher fecal GP2 levels were found in those with a higher body mass index and smokers, while lower levels were associated with healthier factors, such as good pancreatic function and diet.
  • Increased GP2 levels correlated with less gut microbial diversity, higher systemic inflammation, and a shift towards potentially harmful bacteria, suggesting that GP2 could serve as a biomarker for gut health and inflammation.
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Aim: We aimed to investigate the medium-term associations of periodontitis and the number of missing teeth with serum lipoproteins and their plasma subfractions using follow-up data from the population-based Study of Health in Pomerania (SHIP-TREND).

Methods: A total of 2,058 participants with 7-year follow-up data underwent periodontal examinations, serum lipid panel tests, and proton nuclear magnetic resonance (H-NMR) spectroscopy of plasma lipoproteins and their subfractions. Generalized models with gamma distribution and loglink were used to analyze associations between periodontal variables and lipoproteins and their subfractions, adjusting for confounders using propensity score weighting.

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  • Subcortical brain structures play a crucial role in various disorders, and a study analyzed the genetic basis of brain volumes in nearly 75,000 individuals of European ancestry, revealing 254 loci linked to these volumes.
  • The research identified significant gene expression in neural cells, relating to brain aging and signaling, and found that polygenic scores could predict brain volumes across different ancestries.
  • The study highlights genetic connections between brain volumes and conditions like Parkinson's disease and ADHD, suggesting specific gene expression patterns could be involved in neuropsychiatric disorders.
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Background: Obesity-related cardiometabolic comorbidity is common in major depressive disorder (MDD). However, sex differences and MDD recurrence may modify the MDD-obesity-link.

Methods: Sex-specific associations of MDD recurrence (single [MDD] or recurrent episodes [MDD]) and obesity-related traits were analyzed in 4.

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Background: Dyslipidemia has been associated with reduced bone mineral density and osteoporotic fractures, but the relation between lipid and bone metabolism remains poorly understood. Analysing the effects of lipoprotein subclasses on bone turnover may provide valuable insights into this association. We therefore examined whether lipoprotein subclasses, measured by proton nuclear magnetic resonance (H-NMR) spectroscopy, are associated with bone turnover markers (BTMs) and with the ultrasound-based bone stiffness index.

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  • * We found 17 genetic loci associated with sleep duration impacting lipid levels, with 10 of them being newly identified and linked to sleep-related disturbances in lipid metabolism.
  • * The research points to potential drug targets that could lead to new treatments for lipid-related issues in individuals with sleep problems, highlighting the connection between sleep patterns and cardiovascular health.
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Objectives: To generate sagittal T1-weighted fast spin echo (T1w FSE) and short tau inversion recovery (STIR) images from sagittal T2-weighted (T2w) FSE and axial T1w gradient echo Dixon technique (T1w-Dixon) sequences.

Materials And Methods: This retrospective study used three existing datasets: "Study of Health in Pomerania" (SHIP, 3142 subjects, 1.5 Tesla), "German National Cohort" (NAKO, 2000 subjects, 3 Tesla), and an internal dataset (157 patients 1.

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Objective And Design: Inflammatory processes are an important part of the etiology of many chronic diseases across various medical domains, including neurodegeneration. Understanding their regulation on the molecular level represents a major challenge. Regulatory microRNAs (miRNAs), have been recognized for their role in post-transcriptionally modulating immune-related pathways serving as biomarkers for numerous diseases.

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Background: Meat consumption could increase the risk of type 2 diabetes. However, evidence is largely based on studies of European and North American populations, with heterogeneous analysis strategies and a greater focus on red meat than on poultry. We aimed to investigate the associations of unprocessed red meat, processed meat, and poultry consumption with type 2 diabetes using data from worldwide cohorts and harmonised analytical approaches.

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Telomere shortening is a prominent hallmark of aging and is emerging as a characteristic feature of Myelodysplastic Syndromes (MDS) and Idiopathic Pulmonary Fibrosis (IPF). Optimal telomerase activity prevents progressive shortening of telomeres that triggers DNA damage responses. However, the upstream regulation of telomerase holoenzyme components remains poorly defined.

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Background: Magnetic resonance imaging (MRI) yields important information on the development and current status of many different diseases. Whole-body MRI was accordingly made a part of the multicenter, population-based NAKO Health Study. The present analysis concerns the feasibility of the baseline MRI examination and various aspects of quality assurance over the period 2014-2019.

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  • - The aging process of the brain is affected by lifestyle, environmental, genetic factors, and age-related diseases, with advanced imaging and AI techniques helping to reveal the complexities of neuroanatomical changes.
  • - A study involving nearly 50,000 participants identified five major patterns of brain atrophy, which are quantified using R-indices to analyze their connections to various biomedical, lifestyle, and genetic factors.
  • - These R-indices not only predict disease progression and mortality but also offer a new, nuanced framework for understanding brain aging, which may enhance personalized diagnostics and improve clinical trial strategies.
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Resilience is the capacity to adapt to stressful life events. As such, this trait is associated with physical and mental functions and conditions. Here, we aimed to identify the genetic factors contributing to shape resilience.

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A close anatomical and physiological relationship is known between the senses of hearing and balance, while an additional pathophysiological interaction is supposed. The mechanisms underlying this association are not yet fully understood, especially in individuals without a known specific otologic disorder. In particular, only scarce information on the combined occurrence of audiovestibular sensory impairment is available so far.

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