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  1. Article ; Online: Satisfaction with remote consultations in primary care during COVID-19: a population survey of UK adults.

    Lifford, Kate J / Grozeva, Detelina / Cannings-John, Rebecca / Quinn-Scoggins, Harriet / Moriarty, Yvonne / Gjini, Ardiana / Goddard, Mark / Hepburn, Julie / Hughes, Jacqueline / Moore, Graham / Osborne, Kirstie / Robling, Michael / Townson, Julia / Waller, Jo / Whitelock, Victoria / Whitaker, Katriina L / Brain, Kate

    The British journal of general practice : the journal of the Royal College of General Practitioners

    2024  Volume 74, Issue 739, Page(s) e96–e103

    Abstract: Background: Mode of access to primary care changed during the COVID-19 pandemic; remote consultations became more widespread. With remote consultations likely to continue in UK primary care, it is important to understand people's perceptions of remote ... ...

    Abstract Background: Mode of access to primary care changed during the COVID-19 pandemic; remote consultations became more widespread. With remote consultations likely to continue in UK primary care, it is important to understand people's perceptions of remote consultations and identify potential resulting inequalities.
    Aim: To assess satisfaction with remote GP consultations in the UK during the COVID-19 pandemic and identify demographic variation in satisfaction levels.
    Design and setting: A cross-sectional survey from the second phase of a large UK-based study, which was conducted during the COVID-19 pandemic.
    Method: In total, 1426 adults who self-reported having sought help from their doctor in the past 6 months completed an online questionnaire (February to March 2021). Items included satisfaction with remote consultations and demographic variables. Associations were analysed using multivariable regression.
    Results: A novel six-item scale of satisfaction with remote GP consultations had good psychometric properties. Participants with higher levels of education had significantly greater satisfaction with remote consultations than participants with mid-level qualifications (
    Conclusion: These findings can inform the use and adaptation of remote consultations in primary care. Adults with lower educational levels may need additional support to improve their experience and ensure equitable care via remote consultations.
    MeSH term(s) Adult ; Humans ; Cross-Sectional Studies ; Pandemics ; Remote Consultation ; COVID-19/epidemiology ; COVID-19/therapy ; Scotland ; Personal Satisfaction ; Primary Health Care ; Telemedicine
    Language English
    Publishing date 2024-01-25
    Publishing country England
    Document type Journal Article
    ZDB-ID 1043148-2
    ISSN 1478-5242 ; 0035-8797 ; 0960-1643
    ISSN (online) 1478-5242
    ISSN 0035-8797 ; 0960-1643
    DOI 10.3399/BJGP.2023.0092
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  2. Article ; Online: Golgi apparatus, endoplasmic reticulum and mitochondrial function implicated in Alzheimer's disease through polygenic risk and RNA sequencing.

    Crawford, Karen / Leonenko, Ganna / Baker, Emily / Grozeva, Detelina / Lan-Leung, Benoit / Holmans, Peter / Williams, Julie / O'Donovan, Michael C / Escott-Price, Valentina / Ivanov, Dobril K

    Molecular psychiatry

    2022  Volume 28, Issue 3, Page(s) 1327–1336

    Abstract: Polygenic risk scores (PRS) have been widely adopted as a tool for measuring common variant liability and they have been shown to predict lifetime risk of Alzheimer's disease (AD) development. However, the relationship between PRS and AD pathogenesis is ... ...

    Abstract Polygenic risk scores (PRS) have been widely adopted as a tool for measuring common variant liability and they have been shown to predict lifetime risk of Alzheimer's disease (AD) development. However, the relationship between PRS and AD pathogenesis is largely unknown. To this end, we performed a differential gene-expression and associated disrupted biological pathway analyses of AD PRS vs. case/controls in human brain-derived cohort sample (cerebellum/temporal cortex; MayoRNAseq). The results highlighted already implicated mechanisms: immune and stress response, lipids, fatty acids and cholesterol metabolisms, endosome and cellular/neuronal death, being disrupted biological pathways in both case/controls and PRS, as well as previously less well characterised processes such as cellular structures, mitochondrial respiration and secretion. Despite heterogeneity in terms of differentially expressed genes in case/controls vs. PRS, there was a consensus of commonly disrupted biological mechanisms. Glia and microglia-related terms were also significantly disrupted, albeit not being the top disrupted Gene Ontology terms. GWAS implicated genes were significantly and in their majority, up-regulated in response to different PRS among the temporal cortex samples, suggesting potential common regulatory mechanisms. Tissue specificity in terms of disrupted biological pathways in temporal cortex vs. cerebellum was observed in relation to PRS, but limited tissue specificity when the datasets were analysed as case/controls. The largely common biological mechanisms between a case/control classification and in association with PRS suggests that PRS stratification can be used for studies where suitable case/control samples are not available or the selection of individuals with high and low PRS in clinical trials.
    MeSH term(s) Humans ; Alzheimer Disease/genetics ; Risk Factors ; Multifactorial Inheritance ; Mitochondria/genetics ; Endoplasmic Reticulum ; Golgi Apparatus ; Sequence Analysis, RNA ; Genome-Wide Association Study ; Genetic Predisposition to Disease
    Language English
    Publishing date 2022-12-28
    Publishing country England
    Document type Journal Article ; Research Support, Non-U.S. Gov't
    ZDB-ID 1330655-8
    ISSN 1476-5578 ; 1359-4184
    ISSN (online) 1476-5578
    ISSN 1359-4184
    DOI 10.1038/s41380-022-01926-8
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  3. Article ; Online: Genotype-phenotype correlations in Darier disease: A focus on the neuropsychiatric phenotype.

    Gordon-Smith, Katherine / Green, Elaine / Grozeva, Detelina / Tavadia, Sherine / Craddock, Nick / Jones, Lisa

    American journal of medical genetics. Part B, Neuropsychiatric genetics : the official publication of the International Society of Psychiatric Genetics

    2018  Volume 177, Issue 8, Page(s) 717–726

    Abstract: Darier disease (DD) is an autosomal dominant skin disorder caused by mutations in ATP2A2 encoding the sarco/endoplasmic reticulum ... ...

    Abstract Darier disease (DD) is an autosomal dominant skin disorder caused by mutations in ATP2A2 encoding the sarco/endoplasmic reticulum Ca
    MeSH term(s) Darier Disease/genetics ; Female ; Genetic Association Studies/methods ; Genetic Predisposition to Disease ; Genotype ; Humans ; Male ; Mental Disorders/genetics ; Mutation ; Phenotype ; Sarcoplasmic Reticulum Calcium-Transporting ATPases/genetics ; Sarcoplasmic Reticulum Calcium-Transporting ATPases/metabolism ; Skin/metabolism
    Chemical Substances Sarcoplasmic Reticulum Calcium-Transporting ATPases (EC 3.6.3.8) ; ATP2A2 protein, human (EC 7.2.2.10)
    Language English
    Publishing date 2018-10-22
    Publishing country United States
    Document type Journal Article ; Research Support, Non-U.S. Gov't
    ZDB-ID 2143866-3
    ISSN 1552-485X ; 1552-4841
    ISSN (online) 1552-485X
    ISSN 1552-4841
    DOI 10.1002/ajmg.b.32679
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  4. Article ; Online: Novel KAT6B proximal familial variant expands genotypic and phenotypic spectrum.

    Yates, T Michael / Langley, Claire L M / Grozeva, Detelina / Raymond, F Lucy / Johnson, Diana S

    Clinical genetics

    2018  Volume 95, Issue 2, Page(s) 334–335

    MeSH term(s) Adult ; Child ; Child, Preschool ; Facies ; Female ; Genetic Association Studies/methods ; Genetic Predisposition to Disease ; Genetic Variation ; Genotype ; Histone Acetyltransferases/genetics ; Humans ; Male ; Pedigree ; Phenotype
    Chemical Substances Histone Acetyltransferases (EC 2.3.1.48) ; KAT6B protein, human (EC 2.3.1.48)
    Language English
    Publishing date 2018-10-24
    Publishing country Denmark
    Document type Letter ; Research Support, Non-U.S. Gov't
    ZDB-ID 221209-2
    ISSN 1399-0004 ; 0009-9163
    ISSN (online) 1399-0004
    ISSN 0009-9163
    DOI 10.1111/cge.13456
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  5. Article ; Online: Health behaviour change among UK adults during the pandemic: findings from the COVID-19 cancer attitudes and behaviours study.

    Anyanwu, Philip / Moriarty, Yvonne / McCutchan, Grace / Grozeva, Detelina / Goddard, Mark / Whitelock, Victoria / Cannings-John, Rebecca / Quinn-Scoggins, Harriet / Hughes, Jacqueline / Gjini, Ardiana / Hepburn, Julie / Osborne, Kirstie / Robling, Michael / Townson, Julia / Waller, Jo / Whitaker, Katriina L / Brown, Jamie / Brain, Kate / Moore, Graham

    BMC public health

    2022  Volume 22, Issue 1, Page(s) 1437

    Abstract: Background: COVID-19 related lockdowns may have affected engagement in health behaviours among the UK adult population. This prospective observational study assessed socio-demographic patterning in attempts to change and maintain a range of health ... ...

    Abstract Background: COVID-19 related lockdowns may have affected engagement in health behaviours among the UK adult population. This prospective observational study assessed socio-demographic patterning in attempts to change and maintain a range of health behaviours and changes between two time points during the pandemic.
    Methods: Adults aged 18 years and over (n = 4,978) were recruited using Dynata (an online market research platform) and the HealthWise Wales platform, supplemented through social media advertising. Online surveys were conducted in August/September 2020 when lockdown restrictions eased in the UK following the first major UK lockdown (survey phase 1) and in February/March 2021 during a further national lockdown (survey phase 2). Measures derived from the Cancer Awareness Measure included self-reported attempts to reduce alcohol consumption, increase fruit/vegetable consumption, increase physical activity, lose weight and reduce/stop smoking. Multivariable logistic regressions were used to assess individual health behaviour change attempts over time, adjusted for age, sex, ethnicity, employment and education.
    Results: Around half of participants in survey phase 1 reported trying to increase physical activity (n = 2607, 52.4%), increase fruit/vegetables (n = 2445, 49.1%) and lose weight (n = 2413, 48.5%), with 19.0% (n = 948) trying to reduce alcohol consumption among people who drink. Among the 738 participants who smoked, 51.5% (n = 380) were trying to reduce and 27.4% (n = 202) to stop smoking completely. Most behaviour change attempts were more common among women, younger adults and minority ethnic group participants. Efforts to reduce smoking (aOR: 0.98, 95% CI: 0.82-1.17) and stop smoking (aOR: 0.98, 95% CI: 0.80-1.20) did not differ significantly in phase 2 compared to phase 1. Similarly, changes over time in attempts to improve other health behaviours were not statistically significant: physical activity (aOR: 1.07; 95% CI: 0.99-1.16); weight loss (aOR: 0.95; 95% CI: 0.90-1.00); fruit/vegetable intake (aOR: 0.98, 95% CI: 0.91-1.06) and alcohol use (aOR: 1.32, 95% CI: 0.92-1.91).
    Conclusion: A substantial proportion of participants reported attempts to change health behaviours in the initial survey phase. However, the lack of change observed over time indicated that overall motivation to engage in healthy behaviours was sustained among the UK adult population, from a period shortly after the first lockdown toward the end of the second prolonged lockdown.
    MeSH term(s) Adolescent ; Adult ; COVID-19/epidemiology ; Communicable Disease Control ; Female ; Health Behavior ; Humans ; Neoplasms/epidemiology ; Pandemics ; United Kingdom/epidemiology ; Vegetables ; Weight Loss
    Language English
    Publishing date 2022-07-28
    Publishing country England
    Document type Journal Article ; Observational Study ; Research Support, Non-U.S. Gov't
    ZDB-ID 2041338-5
    ISSN 1471-2458 ; 1471-2458
    ISSN (online) 1471-2458
    ISSN 1471-2458
    DOI 10.1186/s12889-022-13870-x
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  6. Article ; Online: Impact of introducing procalcitonin testing on antibiotic usage in acute NHS hospitals during the first wave of COVID-19 in the UK: a controlled interrupted time series analysis of organization-level data.

    Llewelyn, Martin J / Grozeva, Detelina / Howard, Philip / Euden, Joanne / Gerver, Sarah M / Hope, Russell / Heginbothom, Margaret / Powell, Neil / Richman, Colin / Shaw, Dominick / Thomas-Jones, Emma / West, Robert M / Carrol, Enitan D / Pallmann, Philip / Sandoe, Jonathan A T

    The Journal of antimicrobial chemotherapy

    2022  Volume 77, Issue 4, Page(s) 1189–1196

    Abstract: Background: Blood biomarkers have the potential to help identify COVID-19 patients with bacterial coinfection in whom antibiotics are indicated. During the COVID-19 pandemic, procalcitonin testing was widely introduced at hospitals in the UK to guide ... ...

    Abstract Background: Blood biomarkers have the potential to help identify COVID-19 patients with bacterial coinfection in whom antibiotics are indicated. During the COVID-19 pandemic, procalcitonin testing was widely introduced at hospitals in the UK to guide antibiotic prescribing. We have determined the impact of this on hospital-level antibiotic consumption.
    Methods: We conducted a retrospective, controlled interrupted time series analysis of organization-level data describing antibiotic dispensing, hospital activity and procalcitonin testing for acute hospitals/hospital trusts in England and Wales during the first wave of COVID-19 (24 February to 5 July 2020).
    Results: In the main analysis of 105 hospitals in England, introduction of procalcitonin testing in emergency departments/acute medical admission units was associated with a statistically significant decrease in total antibiotic use of -1.08 (95% CI: -1.81 to -0.36) DDDs of antibiotic per admission per week per trust. This effect was then lost at a rate of 0.05 (95% CI: 0.02-0.08) DDDs per admission per week. Similar results were found specifically for first-line antibiotics for community-acquired pneumonia and for COVID-19 admissions rather than all admissions. Introduction of procalcitonin in the ICU setting was not associated with any significant change in antibiotic use.
    Conclusions: At hospitals where procalcitonin testing was introduced in emergency departments/acute medical units this was associated with an initial, but unsustained, reduction in antibiotic use. Further research should establish the patient-level impact of procalcitonin testing in this population and understand its potential for clinical effectiveness.
    MeSH term(s) Anti-Bacterial Agents/therapeutic use ; COVID-19/diagnosis ; COVID-19/drug therapy ; Hospitals ; Humans ; Interrupted Time Series Analysis ; Pandemics ; Procalcitonin ; Retrospective Studies ; State Medicine ; United Kingdom
    Chemical Substances Anti-Bacterial Agents ; Procalcitonin
    Language English
    Publishing date 2022-02-08
    Publishing country England
    Document type Journal Article ; Research Support, Non-U.S. Gov't
    ZDB-ID 191709-2
    ISSN 1460-2091 ; 0305-7453
    ISSN (online) 1460-2091
    ISSN 0305-7453
    DOI 10.1093/jac/dkac017
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  7. Article ; Online: Cancer symptom experience and help-seeking behaviour during the COVID-19 pandemic in the UK: a cross-sectional population survey.

    Quinn-Scoggins, Harriet D / Cannings-John, Rebecca / Moriarty, Yvonne / Whitelock, Victoria / Whitaker, Katriina L / Grozeva, Detelina / Hughes, Jacqueline / Townson, Julia / Osborne, Kirstie / Goddard, Mark / McCutchan, Grace M / Waller, Jo / Robling, Michael / Hepburn, Julie / Moore, Graham / Gjini, Ardiana / Brain, Kate

    BMJ open

    2021  Volume 11, Issue 9, Page(s) e053095

    Abstract: Objectives: To understand self-reported potential cancer symptom help-seeking behaviours and attitudes during the first 6 months (March-August 2020) of the UK COVID-19 pandemic.: Design: UK population-based survey conducted during August and ... ...

    Abstract Objectives: To understand self-reported potential cancer symptom help-seeking behaviours and attitudes during the first 6 months (March-August 2020) of the UK COVID-19 pandemic.
    Design: UK population-based survey conducted during August and September 2020. Correlates of help-seeking behaviour were modelled using logistic regression in participants reporting potential cancer symptoms during the previous 6 months. Qualitative telephone interviews with a purposeful subsample of participants, analysed thematically.
    Setting: Online UK wide survey.
    Participants: 7543 adults recruited via Cancer Research UK online panel provider (Dynata) and HealthWise Wales (a national register of 'research ready' participants) supplemented with social media (Facebook and Twitter) recruitment. 30 participants were also interviewed.
    Main outcome measures: Survey measures included experiences of 15 potential cancer symptoms, help-seeking behaviour, barriers and prompts to help-seeking.
    Results: Of 3025 (40.1%) participants who experienced a potential cancer symptom, 44.8% (1355/3025) had not contacted their general practitioner (GP). Odds of help-seeking were higher among participants with disability (adjusted OR (aOR)=1.38, 95% CI 1.11 to 1.71) and who experienced more symptoms (aOR=1.68, 95% CI 1.56 to 1.82), and lower among those who perceived COVID-19 as the cause of symptom(s) (aOR=0.36, 95% CI 0.25 to 0.52). Barriers included worries about wasting the doctor's time (1158/7543, 15.4%), putting strain on healthcare services (945, 12.6%) and not wanting to make a fuss (907, 12.0%). Interviewees reported reluctance to contact the GP due to concerns about COVID-19 and fear of attending hospitals, and described putting their health concerns on hold.
    Conclusions: Many people avoided healthcare services despite experiencing potential cancer symptoms during the COVID-19 pandemic. Alongside current help-seeking campaigns, well-timed and appropriate nationally coordinated campaigns should signal that services are open safely for those with unusual or persistent symptoms.
    Trial registration number: ISRCTN17782018.
    MeSH term(s) Adult ; COVID-19 ; Cross-Sectional Studies ; Help-Seeking Behavior ; Humans ; Neoplasms/epidemiology ; Pandemics ; Patient Acceptance of Health Care ; SARS-CoV-2 ; United Kingdom/epidemiology
    Language English
    Publishing date 2021-09-16
    Publishing country England
    Document type Journal Article ; Research Support, Non-U.S. Gov't
    ZDB-ID 2599832-8
    ISSN 2044-6055 ; 2044-6055
    ISSN (online) 2044-6055
    ISSN 2044-6055
    DOI 10.1136/bmjopen-2021-053095
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  8. Article ; Online: Intentions to participate in cervical and colorectal cancer screening during the COVID-19 pandemic: A mixed-methods study.

    Wilson, Rebecca / Quinn-Scoggins, Harriet / Moriarty, Yvonne / Hughes, Jacqueline / Goddard, Mark / Cannings-John, Rebecca / Whitelock, Victoria / Whitaker, Katriina L / Grozeva, Detelina / Townson, Julia / Osborne, Kirstie / Smits, Stephanie / Robling, Michael / Hepburn, Julie / Moore, Graham / Gjini, Ardiana / Brain, Kate / Waller, Jo

    Preventive medicine

    2021  Volume 153, Page(s) 106826

    Abstract: Worldwide, cancer screening faced significant disruption in 2020 due to the COVID-19 pandemic. If this has led to changes in public attitudes towards screening and reduced intention to participate, there is a risk of long-term adverse impact on cancer ... ...

    Abstract Worldwide, cancer screening faced significant disruption in 2020 due to the COVID-19 pandemic. If this has led to changes in public attitudes towards screening and reduced intention to participate, there is a risk of long-term adverse impact on cancer outcomes. In this study, we examined previous participation and future intentions to take part in cervical and colorectal cancer (CRC) screening following the first national lockdown in the UK. Overall, 7543 adults were recruited to a cross-sectional online survey in August-September 2020. Logistic regression analyses were used to identify correlates of strong screening intentions among 2319 participants eligible for cervical screening and 2502 eligible for home-based CRC screening. Qualitative interviews were conducted with a sub-sample of 30 participants. Verbatim transcripts were analysed thematically. Of those eligible, 74% of survey participants intended to attend cervical screening and 84% intended to complete home-based CRC screening when next invited. Thirty percent and 19% of the cervical and CRC samples respectively said they were less likely to attend a cancer screening appointment now than before the pandemic. Previous non-participation was the strongest predictor of low intentions for cervical (aOR 26.31, 95% CI: 17.61-39.30) and CRC (aOR 67.68, 95% CI: 33.91-135.06) screening. Interview participants expressed concerns about visiting healthcare settings but were keen to participate when screening programmes resumed. Intentions to participate in future screening were high and strongly associated with previous engagement in both programmes. As screening services recover, it will be important to monitor participation and to ensure people feel safe to attend.
    MeSH term(s) Adult ; COVID-19 ; Colorectal Neoplasms/diagnosis ; Communicable Disease Control ; Cross-Sectional Studies ; Early Detection of Cancer ; Female ; Health Knowledge, Attitudes, Practice ; Humans ; Intention ; Mass Screening ; Pandemics ; SARS-CoV-2 ; Uterine Cervical Neoplasms/diagnosis
    Language English
    Publishing date 2021-09-29
    Publishing country United States
    Document type Journal Article ; Research Support, Non-U.S. Gov't
    ZDB-ID 184600-0
    ISSN 1096-0260 ; 0091-7435
    ISSN (online) 1096-0260
    ISSN 0091-7435
    DOI 10.1016/j.ypmed.2021.106826
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  9. Article ; Online: Procalcitonin Evaluation of Antibiotic Use in COVID-19 Hospitalised Patients (PEACH): Protocol for a Retrospective Observational Study.

    Euden, Joanne / Pallmann, Philip / Grozeva, Detelina / Albur, Mahableshwar / Bond, Stuart E / Brookes-Howell, Lucy / Dark, Paul / Hellyer, Thomas / Hopkins, Susan / Howard, Philip / Llewelyn, Martin J / Maboshe, Wakunyambo / McCullagh, Iain J / Ogden, Margaret / Parsons, Helena / Partridge, David / Powell, Neil / Shaw, Dominick / Shinkins, Bethany /
    Szakmany, Tamas / Todd, Stacy / Thomas-Jones, Emma / West, Robert M / Carrol, Enitan D / Sandoe, Jonathan A T

    Methods and protocols

    2022  Volume 5, Issue 6

    Abstract: Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) is a novel virus responsible for the coronavirus disease 2019 (COVID-19) pandemic. Although COVID-19 is a viral illness, many patients admitted to hospital are prescribed antibiotics, based on ... ...

    Abstract Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) is a novel virus responsible for the coronavirus disease 2019 (COVID-19) pandemic. Although COVID-19 is a viral illness, many patients admitted to hospital are prescribed antibiotics, based on concerns that COVID-19 patients may experience secondary bacterial infections, and the assumption that they may respond well to antibiotic therapy. This has led to an increase in antibiotic use for some hospitalised patients at a time when accumulating antibiotic resistance is a major global threat to health. Procalcitonin (PCT) is an inflammatory marker measured in blood samples and widely recommended to help diagnose bacterial infections and guide antibiotic treatment. The PEACH study will compare patient outcomes from English and Welsh hospitals that used PCT testing during the first wave of the COVID-19 pandemic with those from hospitals not using PCT. It will help to determine whether, and how, PCT testing should be used in the NHS in future waves of COVID-19 to protect patients from antibiotic overuse. PEACH is a retrospective observational cohort study using patient-level clinical data from acute hospital Trusts and Health Boards in England and Wales. The primary objective is to measure the difference in antibiotic use between COVID-19 patients who did or did not have PCT testing at the time of diagnosis. Secondary objectives include measuring differences in length of stay, mortality, intensive care unit admission, and resistant bacterial infections between these groups.
    Language English
    Publishing date 2022-11-28
    Publishing country Switzerland
    Document type Journal Article
    ISSN 2409-9279
    ISSN (online) 2409-9279
    DOI 10.3390/mps5060095
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  10. Article ; Online: Genome sequencing and comprehensive rare-variant analysis of 465 families with neurodevelopmental disorders.

    Sanchis-Juan, Alba / Megy, Karyn / Stephens, Jonathan / Armirola Ricaurte, Camila / Dewhurst, Eleanor / Low, Kayyi / French, Courtney E / Grozeva, Detelina / Stirrups, Kathleen / Erwood, Marie / McTague, Amy / Penkett, Christopher J / Shamardina, Olga / Tuna, Salih / Daugherty, Louise C / Gleadall, Nicholas / Duarte, Sofia T / Hedrera-Fernández, Antonio / Vogt, Julie /
    Ambegaonkar, Gautam / Chitre, Manali / Josifova, Dragana / Kurian, Manju A / Parker, Alasdair / Rankin, Julia / Reid, Evan / Wakeling, Emma / Wassmer, Evangeline / Woods, C Geoffrey / Raymond, F Lucy / Carss, Keren J

    American journal of human genetics

    2023  Volume 110, Issue 8, Page(s) 1343–1355

    Abstract: Despite significant progress in unraveling the genetic causes of neurodevelopmental disorders (NDDs), a substantial proportion of individuals with NDDs remain without a genetic diagnosis after microarray and/or exome sequencing. Here, we aimed to assess ... ...

    Abstract Despite significant progress in unraveling the genetic causes of neurodevelopmental disorders (NDDs), a substantial proportion of individuals with NDDs remain without a genetic diagnosis after microarray and/or exome sequencing. Here, we aimed to assess the power of short-read genome sequencing (GS), complemented with long-read GS, to identify causal variants in participants with NDD from the National Institute for Health and Care Research (NIHR) BioResource project. Short-read GS was conducted on 692 individuals (489 affected and 203 unaffected relatives) from 465 families. Additionally, long-read GS was performed on five affected individuals who had structural variants (SVs) in technically challenging regions, had complex SVs, or required distal variant phasing. Causal variants were identified in 36% of affected individuals (177/489), and a further 23% (112/489) had a variant of uncertain significance after multiple rounds of re-analysis. Among all reported variants, 88% (333/380) were coding nuclear SNVs or insertions and deletions (indels), and the remainder were SVs, non-coding variants, and mitochondrial variants. Furthermore, long-read GS facilitated the resolution of challenging SVs and invalidated variants of difficult interpretation from short-read GS. This study demonstrates the value of short-read GS, complemented with long-read GS, in investigating the genetic causes of NDDs. GS provides a comprehensive and unbiased method of identifying all types of variants throughout the nuclear and mitochondrial genomes in individuals with NDD.
    MeSH term(s) Humans ; Genome, Human/genetics ; Chromosome Mapping ; Base Sequence ; INDEL Mutation ; Neurodevelopmental Disorders/genetics
    Language English
    Publishing date 2023-08-03
    Publishing country United States
    Document type Journal Article ; Research Support, Non-U.S. Gov't
    ZDB-ID 219384-x
    ISSN 1537-6605 ; 0002-9297
    ISSN (online) 1537-6605
    ISSN 0002-9297
    DOI 10.1016/j.ajhg.2023.07.007
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