Publications by authors named "T G J Hofste"

Objectives: The number of mosquito bites a person receives determines the risk of acquiring malaria and the likelihood of transmitting infections to mosquitoes. We assessed heterogeneity in biting and associated factors in two settings in Uganda with different endemicity.

Methods: parasites in blood-fed indoor caught mosquitoes were quantified using qPCR targeting the Pf18S rRNA gene.

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Background: Current guidelines indicate that patients with extreme oligozoospermia or azoospermia should be tested for chromosomal imbalances, azoospermia factor (AZF) deletions and/or CFTR variants. For other sperm abnormalities, no genetic diagnostics are recommended.

Objectives: To determine whether exome sequencing (ES) with combined copy number variant (CNV) and single nucleotide variant (SNV) analysis is a reliable first-tier method to replace current methods (validation study), and to evaluate the diagnostic yield after 10 months of implementation (evaluation study).

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Background: Individuals with germline pathogenic variants in BRCA1 or BRCA2 are at a high risk of breast and ovarian carcinomas with BRCA1/2 deficiency and homologous recombination deficiency that can be detected by analysis of genome-wide genomic instability features such as large-scale state transitions, telomeric allelic imbalances, and genomic loss of heterozygosity. Malignancies with homologous recombination deficiency are more sensitive to platinum-based therapies and poly(ADP-ribose) polymerase inhibitors. We investigated the fraction of non-breast or ovarian malignancies that have BRCA1/2 deficiency and genomic instability features.

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In this study, we compare next-generation sequencing (NGS) approaches (targeted panel (tNGS), whole exome sequencing (WES), and whole genome sequencing (WGS)) for application in newborn screening (NBS). DNA was extracted from dried blood spots (DBS) from 50 patients with genetically confirmed inherited metabolic disorders (IMDs) and 50 control samples. One hundred IMD-related genes were analyzed.

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Article Synopsis
  • Genetic laboratories currently use diverse workflows to diagnose hereditary and congenital diseases, and this study assesses the potential of genome sequencing (GS) to streamline these processes.
  • The researchers tested GS on 1,000 cases with known genetic variants to evaluate its effectiveness compared to existing methods, finding that GS detected 95% of variants across different categories.
  • The results suggest that adopting a GS-first approach could replace multiple workflows in around 85% of clinical cases, allowing for more efficient and comprehensive diagnostics for rare genetic diseases.
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