Publications by authors named "Blanchet P"

(1) : Gilles de la Tourette Syndrome (TS) is a neurodevelopmental disorder characterized by motor and vocal tics. Attention deficit and hyperactivity disorder (ADHD) is a common comorbidity of TS that adds further impairment. Cognitive-behavioural therapy (CBT) has shown efficacy in treating tics, yet its effectiveness in individuals with TS and comorbid ADHD remains unclear.

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Introduction: Early salvage radiotherapy is indicated for patients with biochemical recurrence after radical prostatectomy. However, for various reasons, certain patients do not benefit from this treatment (OBS) or only at a late stage (LSR). There are few studies on this subject and none on a "high-risk" population, such as patients of African descent.

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  • Tourette Syndrome (TS), Obsessive Compulsive Disorder (OCD), and Body-Focused Repetitive Behaviors (BFRB) have overlapping features but have not been extensively compared in research.
  • A study using Event-Related Potentials (ERPs) aimed to identify when and where brain activity differs among these disorders while involving participants with TS, OCD, BFRB, and a control group.
  • The results indicated that both TS and OCD showed reduced P300 responses, suggesting shared cognitive deficits, but distinct brain activation patterns were found, particularly in the OCD group.
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: Tourette syndrome (TS) and Chronic Tic Disorder (CT) are neurodevelopmental conditions involving motor and/or phonic tics. Youth with tics may encounter feelings of isolation, diminished self-esteem and quality of life, and academic difficulties. A growing body of scientific literature suggests sex differences in youth with tics, but findings have been mixed so far.

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Background: Visceral metastases are known to occur in advanced prostate cancer, usually when the tumour is resistant to androgen deprivation and, have worse outcomes regardless of therapies.

Objective: To analyse genomic alterations in tumour samples according to their lymphatic, bone, and visceral metastatic stages and overall survival.

Design, Setting, And Participants: We selected 200 patients with metastatic prostate cancer.

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A novel sandwich-structured composite was developed from the surface layers of polyhydroxyalkanoate (PHA) and the interlayer of polylactic acid (PLA)/cellulose microfibers (CMF) composite. Moreover, CMF was chemically modified via a sol-gel process to improve the compatibility between the natural reinforcement and the polymer matrix. According to the obtained results, the modified CMF exhibited a highly hydrophobic characteristic (contact angel value of approximately 118°), and they were homogeneously dispersed in the PLA matrix.

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  • A recent study analyzed genetic data from over 156,000 prostate cancer cases and 788,000 controls from diverse populations, significantly increasing the representation of non-European participants.
  • Researchers identified 187 new genetic risk variants for prostate cancer, bringing the total to 451, enhancing understanding of genetic factors across different ancestries.
  • The developed genetic risk score (GRS) showed varying risk levels for prostate cancer among different ancestry groups, highlighting its potential for better risk assessment, especially in men of African descent.
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Prostate biopsy is the gold standard to confirm prostate cancer. In addition to standard 12-core biopsies, magnetic resonance imaging (MRI)-guided prostate biopsies have recently been introduced to improve the detection of clinically significant prostate cancer. The present study aimed to compare the complications after standard transrectal ultrasound-guided and standard plus targeted (MRI-guided) prostate biopsies, to study the impact of the number of biopsy cores on complication rates, and to compare complication rates after transrectal ultrasound-guided prostate biopsies with those following transperineal prostate biopsies from the literature.

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Purpose: A simplified therapeutic guideline (STG) was established in our urology ward in 2019 for urinary infections. Our aim was to describe the level of physician adherence to STG and the impact of a limited number of antibiotic compounds on the rate of multidrug-resistant (MDR) bacteria. As guidelines should improve patient care, unfavorable outcomes were also reported.

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  • A pilot study in France used trio-ES on 150 fetuses with significant ultrasound anomalies, with a focus on influencing pregnancy management, and found a causal diagnosis in 34% of cases within about 28 days.
  • The study demonstrated a high diagnostic yield for trio-ES, comparable to postnatal diagnosis, indicating its potential for routine use in prenatal care when anomalies are detected.
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Background: Genetic factors play an important role in prostate cancer (PCa) susceptibility.

Objective: To discover common genetic variants contributing to the risk of PCa in men of African ancestry.

Design, Setting, And Participants: We conducted a meta-analysis of ten genome-wide association studies consisting of 19378 cases and 61620 controls of African ancestry.

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Introduction: Research reveals the clinical efficacy of both verbal and written stuttering disclosure statements provided by a child who stutters (CWS) and his advocates (i.e., mother or teacher) [Lang Speech Hear Serv Sch.

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Although several studies have examined the relationship between organochlorine pesticides (OCPs) and prostate cancer (PCa) risk, no data are available concerning the association between OCPs concentrations in periprostatic adipose tissue (PPAT), which reflects cumulative exposure, and PCa aggressiveness. Moreover, no previous study has compared OCPs exposure in two distinct ethno-geographical populations. The objectives were to analyze OCPs in PPAT of PCa patients from either Mainland France or French West Indies in correlation with features of tumor aggressiveness, after adjusting for potential confounders such age, BMI, and polyunsaturated fatty acid (PUFA) content of PPAT.

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Corpus callosum defects are frequent congenital cerebral disorders caused by mutations in more than 300 genes. These include genes implicated in corpus callosum development or function, as well as genes essential for mitochondrial physiology. However, in utero corpus callosum anomalies rarely raise a suspicion of mitochondrial disease and are characterized by a very large clinical heterogeneity.

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Background And Objective: Pediatric cardiomyopathies are clinically heterogeneous heart muscle disorders associated with significant morbidity and mortality for which substantial evidence for a genetic contribution was previously reported. We present a detailed molecular investigation of a cohort of 231 patients presenting with primary cardiomyopathy below the age of 18 years.

Methods: Cases with pediatric cardiomyopathies were analyzed using a next-generation sequencing (NGS) workflow based on a virtual panel including 57 cardiomyopathy-related genes.

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  • - This study focused on 15 infants under a year old in intensive care who were suspected to have genetic conditions and underwent rapid trio exome sequencing (rES) from April 2019 to April 2021.
  • - The key finding was that results from rES were available to parents within 16 days for 86% of the participants, and 40% received a confirmed diagnosis.
  • - The study highlights the potential of rES to enhance medical care for critically ill infants, despite some patients not receiving a diagnosis and a few passing away before results were available.
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Background: Germline and somatic mutations in DNA damage repair genes (DDRg) are now recognized as new biomarkers for the management of metastatic prostate cancers (mPC). We evaluate the frequency of germline DDRg mutations among French mPC patients of European and African ancestries.

Methods: Targeted next-generation sequencing of 21 DDRg was performed on germline DNA from 557 mPC patients, including 15.

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Introduction: Preoperative polymicrobial urine cultures are common, but the associated risk of nosocomial infection is currently unknown. We aimed to analyze the risk of postoperative infection in patients with preoperative polymicrobial urine cultures.

Methods: This was a prospective cohort study conducted from November 2018 to October 2020.

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A rare African ancestry-specific germline deletion variant in HOXB13 (X285K, rs77179853) was recently reported in Martinican men with early-onset prostate cancer. Given the role of HOXB13 germline variation in prostate cancer, we investigated the association between HOXB13 X285K and prostate cancer risk in a large sample of 22 361 African ancestry men, including 11 688 prostate cancer cases. The risk allele was present only in men of West African ancestry, with an allele frequency in men that ranged from 0.

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Introduction And Objectives: Metabolic syndrome (MetS) is a group of risk factors that increases the likelihood of developing cardiovascular diseases. Although suggested, the relationship between MetS and prostate cancer (PCa) is still inconclusive. Very few studies have addressed this question in populations of African descent, which are disproportionately affected by PCa.

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Introduction: Several studies in the Caucasian population have shown the benefit of using docetaxel, abiraterone, or enzalutamide for patients with metastatic prostate cancer at the castration-resistant stage (mCRPC). However, there are no strong data for men of African ancestry. The objective of this study was to estimate the overall and progression-free survival of patients according to these treatments at the mCRPC stage.

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  • Kabuki syndrome (KS) is a rare genetic disorder linked to mutations in the KMT2D and KDM6A genes, causing two types: KS1 and KS2.
  • The study aimed to identify differences in facial morphology between KS1 and KS2 using a facial-recognition algorithm, comparing images of individuals from a specific ethnicity.
  • Results showed a statistically significant difference in facial characteristics between the two types, validated by trained clinical geneticists, highlighting the algorithm's effectiveness in distinguishing KS1 and KS2.
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Targeted antibiotic prophylaxis (TAP) is required for patients with positive urine culture before urological surgery. Our aim was to determine the efficacy of TAP. This was a prospective single-center study performed in a urology department.

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Background: Prostate cancer (PCa) is more frequent and more aggressive in populations of African descent than in Caucasians. Since the fatty acid composition of peri-prostatic adipose tissue (PPAT) has been shown to differ according to the ethno-geographic origin and is involved in PCa aggressiveness, we aimed to analyze the cholesterol content of PPAT from Caucasian and African-Caribbean patients, in correlation with markers of disease aggressiveness and cholesterol metabolism in cancer tissues.

Methods: The quantification of cholesterol in PPAT was analyzed in 52 Caucasian and 52 African-Caribbean PCa patients, with in each group 26 indolent tumors (ISUP Group1 and pT2) and 26 potentially aggressive tumors (ISUP Group 3-5 and/or pT3).

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