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Mcfarland Upton posted an update 1 day, 22 hours ago
Families with an adverse history of monogenic disease focus on single-gene diagnosis instead of low-depth whole-genome sequence, during subsequent pregnancies. The aim of this study was to assess the potential usefulness of low-depth whole-genome sequencing (copy number variant sequencing [CNV-seq]) detection following monogenic disease exclusion in prenatal diagnosis.
A total of 285 families with a history of monogenic disease (of 41 different types; eliminated during the current pregnancy) were recruited and retrospectively analyzed. Low-depth whole-genome sequencing (CNV-Seq, Next-Seq CN500 platform) was performed for all fetuses.
The CNV detection results of the 285 samples were as follows one case of 18-trisomy chimera (0.35%), one case of pathogenic 3q29 microdeletion syndrome CNV (0.35%), four cases of variant of uncertain significance (VUS) CNVs (1.40%), and four cases of Duchenne muscular dystrophy (DMD) carriers (1.40%); and the remaining samples were normal (96.15%). Of note, 2/285 (0.70%) samples still exhibited pathogenic abnormalities. All positive samples were followed up where the two cases of pathogenic abnormalities elected the pregnancy termination, while the four VUS cases and four DMD-carrier cases were born healthy.
In cases where prenatal fetal monogenic disease has been ruled out, CNV detection is still beneficial and should be performed to prevent missed pathogenic CNVs. However, the costs need to be balanced against benefits, and the research will need to assess other types of testing.
In cases where prenatal fetal monogenic disease has been ruled out, CNV detection is still beneficial and should be performed to prevent missed pathogenic CNVs. However, the costs need to be balanced against benefits, and the research will need to assess other types of testing.Group B Streptococcus (GBS) remains the most common Gram-positive bacterium causing neonatal meningitis and GBS meningitis continues to be an important cause of mortality and morbidity. In this study, we showed that GBS penetration into the brain occurred initially in the meningeal and cortex capillaries, and exploits a defined host cell signaling network comprised of S1P2 , EGFR, and CysLT1. GBS exploitation of such network in penetration of the blood-brain barrier was demonstrated by targeting S1P2 , EGFR, and CysLT1 using pharmacological inhibition, gene knockout and knockdown cells, and gene knockout animals, as well as interrogation of the network (up- and downstream of each other). More importantly, counteracting such targets as a therapeutic adjunct to antibiotic therapy was beneficial in improving the outcome of animals with GBS meningitis. These findings indicate that investigating GBS penetration of the blood-brain barrier provides a novel approach for therapeutic development of GBS meningitis.
Uptake of early infant HIV diagnosis (EID) varies widely across sub-Saharan African settings. We evaluated the potential clinical impact and cost-effectiveness of universal maternal HIV screening at infant immunization visits, with referral to EID and maternal antiretroviral therapy (ART) initiation.
Using the CEPAC-Pediatric model, we compared two strategies for infants born in 2017 in Côte d’Ivoire (CI), South Africa (SA), and Zimbabwe (1) existing EID programmes offering six-week nucleic acid testing (NAT) for infants with known HIV exposure (EID), and (2) EID plus universal maternal HIV screening at six-week infant immunization visits, leading to referral for infant NAT and maternal ART initiation (screen-and-test). Model inputs included published Ivoirian/South African/Zimbabwean data maternal HIV prevalence (4.8/30.8/16.1%), current uptake of EID (40/95/65%) and six-week immunization attendance (99/74/94%). Referral rates for infant NAT and maternal ART initiation after screen-and-test were 80%. Cosf screen-and-test compared to EID was $1340/YLS (CI), $650/YLS (SA) and $670/YLS (Zimbabwe), below the per-capita GDP but above the ICER of 2 versus 1 lifetime ART regimens in all countries.
Universal maternal HIV screening at immunization visits with referral to EID and maternal ART initiation may reduce MTCT, improve paediatric LE, and be of comparable value to current HIV-related interventions in high maternal HIV prevalence settings like SA and Zimbabwe.
Universal maternal HIV screening at immunization visits with referral to EID and maternal ART initiation may reduce MTCT, improve paediatric LE, and be of comparable value to current HIV-related interventions in high maternal HIV prevalence settings like SA and Zimbabwe.
To describe the spectrum of neurological complications observed in a hospital-based cohort of COVID-19 patients who required a neurological assessment.
We conducted an observational, monocentric, prospective study of patients with a COVID-19 diagnosis hospitalized during the 3-month period of the first wave of the COVID-19 pandemic in a tertiary hospital in Madrid (Spain). We describe the neurological diagnoses that arose after the onset of COVID-19 symptoms. These diagnoses could be divided into different groups.
Only 71 (2.6%) of 2750 hospitalized patients suffered at least one neurological complication (77 different neurological diagnoses in total) during the timeframe of the study. The most common diagnoses were neuromuscular disorders (33.7%), cerebrovascular diseases (CVDs) (27.3%), acute encephalopathy (19.4%), seizures (7.8%), and miscellanea (11.6%) comprising hiccups, myoclonic tremor, Horner syndrome and transverse myelitis. CVDs and encephalopathy were common in the early phase of the COVID-ssified into early and late neurological complications of COVID-19, as they occurred at different times following the onset of COVID-19 symptoms.
Melasma is a disorder of melanogenesis among humans causing localized, chronic acquired hypermelanosis of the skin requiring a combination of treatments. KOS 953 Related studies have shown probiotics contribute distinct advantages for skin disorders possibly including melasma because of its anti-inflammatory activities, anti-oxidation properties, ultraviolet protection, and tyrosinase activity inhibition.
The study aimed to investigate the effects of synbiotics supplement on improving melasma (evaluated from mMASI score).
This research comprised an experimental study employing a prospective, double-blind, randomized controlled trial among 57 Thai participants divided in 2 groups (29 for the experimental and 28 for the placebo groups). The participants were aged 30-50years old, had Fitzpatrick skin type III-VI, with facial melasma on both sides of the face and attending Mae Fah Luang University Hospital, Bangkok from January-December 2019. Participants were randomly treated with oral synbiotics or placebo, 1 sachet daily for 12weeks.