Results 91 to 100 of about 19,899 (215)

Genetic testing in paediatric neurological disorders

open access: yesDevelopmental Medicine &Child Neurology, EarlyView.
In this study 390 paediatric patients with neurological disorders underwent genetic testing via exome sequencing, commercial panel, in‐house epilepsy, and movement disorder gene panels. Exome sequencing provides the highest diagnostic yield, and severe developmental delay and hypotonia predicted pathogenic variants in the exome sequencing cohort ...
Wafa Bani Uraba   +15 more
wiley   +1 more source

Male mice defective in the DNA mismatch repair gene PMS2 exhibit abnormal chromosome synapsis in meiosis [PDF]

open access: yes, 1995
Using gene targeting in embryonic stem cells, we have derived mice with a null mutation in a DNA mismatch repair gene homolog, PMS2. We observed microsatellite instability in the male germline, in tail, and in tumor DNA of PMS2-deficient animals.
Robatzek, Merrilee   +11 more
core   +1 more source

Do aphid endosymbiotic bacteria influence parasitoid searching behaviour through changes in aphid honeydew production?

open access: yesEcological Entomology, EarlyView.
Hamiltonella defensa infection increases honeydew production in certain aphid genotypes, potentially modifying aphid feeding behaviour. Parasitoid wasps, Aphidius ervi, are more attracted to honeydew from H. defensa‐infected aphids; though larger honeydew amounts may slightly deter searching.
Desiré Macheda   +5 more
wiley   +1 more source

Sporadic colorectal polyps and mismatch repair proteins

open access: yesIndian Journal of Pathology and Microbiology, 2011
Background: Colorectal cancers often arise from benign polyps. Adenomatous polyps and serrated polyps progress step by step to adenocarcinoma and change into malignant cancers. Genetic and epigenetic changes have correlation with specific stages of polyp-
Mahsa Molaei   +5 more
doaj   +1 more source

Immunohistochemical Characterisation of Mismatch Repair Proteins in Feline Cancers: A Pilot Study Using Validated Cross‐Reactive Antibodies

open access: yesVeterinary and Comparative Oncology, EarlyView.
ABSTRACT DNA mismatch repair (MMR) deficiency is a clinically important biomarker in human oncology, yet its relevance in feline neoplasia remains poorly understood due to limited characterisation and the absence of validated reagents. In this study, we established a practical immunohistochemistry (IHC) approach for evaluating feline MMR proteins by ...
Shoma Nishibori   +7 more
wiley   +1 more source

PMS2CL interference leading to erroneous identification of a pathogenic PMS2 variant in Black patients

open access: yesGenetics in Medicine Open
This study investigates the frequency of a clinically reported variant in PMS2, NM_000535.7:c.2523G>A p.(W841∗), from next-generation sequencing studies in 2 racially diverse cohorts. We identified clinical reports of the PMS2 c.2523G>A p.(W841∗) variant
Jacqueline Cappadocia   +143 more
doaj   +1 more source

MET Expression in Upper Gastrointestinal Adenocarcinoma: Prevalence, Prognostic Impact, and Implications for Anti‐MET Antibody‐Drug Conjugate Therapy

open access: yesInternational Journal of Cancer, Volume 159, Issue 10, Page 2606-2618, 15 November 2026.
ABSTRACT MET is an actionable receptor tyrosine kinase, and MET‐directed antibody–drug conjugates (ADCs) have recently entered clinical practice with FDA approval in non‐small cell lung cancer and are now being evaluated across gastrointestinal malignancies, with patient selection based on MET immunohistochemistry (IHC) 3+ membranous staining at ...
Tillmann Bedau   +7 more
wiley   +1 more source

Evaluation of Mutation Risk Using Patient‐Derived Organoids in Patients With Lynch Syndrome

open access: yesInternational Journal of Cancer, Volume 159, Issue 10, Page 2585-2594, 15 November 2026.
ABSTRACT Lynch syndrome (LS) is a hereditary cancer predisposition syndrome caused by germline mutation of DNA mismatch repair (MMR) genes, most notably associated with colorectal cancer. Although LS patients face high risk of CRC, risk can vary even among those with the same pathogenic MMR germline mutations. We suggest a functional assay platform for
Youmi Shin   +10 more
wiley   +1 more source

PMS2-associated Lynch syndrome : the odd one out [PDF]

open access: yes, 2018
Colorectal cancer is one of the most frequently diagnosed cancers in the Western world. Both hereditary and genetic factors play a role in its etiology.
Broeke, S.W. ten
core  

Young Adult With Malignant Phyllodes Undergoing Adjuvant Radiotherapy With Bolus

open access: yesClinical Case Reports, Volume 14, Issue 10, October 2026.
ABSTRACT Malignant phyllodes tumor of the breast (MPTB) is a rare fibroepithelial tumor and very uncommon among young adult women. It has a higher likelihood of local recurrence (LR) compared to other phyllodes tumors of the breast. Due to limited data, there is no established consensus regarding adjuvant radiotherapy for MPTB.
Dominic Rafie   +2 more
wiley   +1 more source

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