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1.
BMJ Open ; 14(2): e080197, 2024 02 07.
Artigo em Inglês | MEDLINE | ID: mdl-38326253

RESUMO

INTRODUCTION: Bronchiolitis is the most common viral lower respiratory tract infection in children under 2 years of age. Respiratory support with high-flow nasal cannula (HFNC) is increasingly used in this patient population with limited understanding of the patients most likely to benefit and considerable practice variability of use. This study aims to understand the factors associated with failure of HFNC support among patients with bronchiolitis and to describe the current practice variations of HFNC use in patients with bronchiolitis in Canadian hospitals including fluid management and parameters to initiate, escalate and discontinue HFNC support. METHODS AND ANALYSIS: This is a multicentre retrospective cohort study including hospitalised patients aged 0-24 months with bronchiolitis requiring support with HFNC between January 2017 and December 2021. Clinical data will be collected from patient medical records from Canadian hospitals (n=12), including academic and community centres. HFNC failure will be defined as the need for escalation to non-invasive or invasive mechanical ventilation. Factors associated with HFNC failure will be analysed using logistic regression. Descriptive statistics will be used to describe practice variations of HFNC utilisation and management. ETHICS AND DISSEMINATION: Approval from the Research Ethics Boards (REBs) has been obtained for each participating study site prior to onset of data collection including Clinical Trials Ontario for all Ontario hospital sites and REBs from British Columbia Children's Hospital, Stollery Children's Hospital, Montreal Children's Hospital and CHU Sainte-Justine. Study results will be disseminated through presentation at national/international conferences and publication in high-impact, peer-reviewed journals.


Assuntos
Bronquiolite , Cânula , Lactente , Criança , Humanos , Estudos Retrospectivos , Bronquiolite/terapia , Hospitais , Ontário , Oxigenoterapia , Estudos Multicêntricos como Assunto
2.
Pediatr Crit Care Med ; 24(5): 382-390, 2023 05 01.
Artigo em Inglês | MEDLINE | ID: mdl-36877021

RESUMO

OBJECTIVES: To develop and implement a tool to improve daily patient goal setting, team collaboration and communication. DESIGN: Quality improvement implementation project. SETTING: Tertiary-level PICU. PATIENTS: Inpatient children less than 18 years old requiring ICU level care. INTERVENTION: A "Glass Door" daily goals communication tool located in the door front of each patient room. MEASUREMENTS AND MAIN RESULTS: We used Pronovost's 4 E's model to implement the Glass Door. Primary outcomes were uptake of goal setting, healthcare team discussion rate around goals, rounding efficiency, acceptability and sustainability of the Glass Door. The total implementation duration from engagement to evaluation of sustainability was 24 months. Goal setting increased significantly from 22.9% to 90.7% ( p < 0.01) patient-days using the Glass Door compared to a paper-based daily goals checklist (DGC). One-year post implementation, the uptake was sustained at 93.1% ( p = 0.04). Rounding time decreased from a median of 11.7 minutes (95% CI, 10.9-12.4 min) to 7.5 minutes (95% CI, 6.9-7.9 min) per patient post-implementation ( p < 0.01). Goal discussions on ward rounds increased overall from 40.1% to 58.5% ( p < 0.01). Ninety-one percent of team members perceive that the Glass Door improves communication for patient care, and 80% preferred the Glass Door to the DGC for communicating patient goals with other team members. Sixty-six percent of family members found the Glass Door helpful in understanding the daily plan and 83% found it helpful in ensuring thorough discussion among the PICU team. CONCLUSIONS: The Glass Door is a highly visible tool that can improve patient goal setting and collaborative team discussion with good uptake and acceptability among healthcare team members and patient families.


Assuntos
Família , Objetivos , Criança , Humanos , Adolescente , Hospitais , Comunicação , Equipe de Assistência ao Paciente
3.
J Clin Transl Res ; 8(6): 499-505, 2022 Dec 29.
Artigo em Inglês | MEDLINE | ID: mdl-36452004

RESUMO

Background and Aim: Due to limited clinical exposure, non-acute care pediatric providers often rely on simulated experiences to maintain resuscitation skills. Few training options designed for the non-acute care setting exist, are often difficult to access, and lack incorporation of non-technical skills. The first five minutes (FFM) is a previously published curriculum designed to train non-acute care providers. The goal of this study was to determine the curriculum's effectiveness during a pilot intervention. Methods: A single cohort of multi-professional, non-acute care pediatric providers participated. The primary outcome skill was "establishing leadership," and secondary outcomes included other technical and non-technical skills. Learning of outcome skills was assessed using changes in retrospective pre-post self-assessment Likert scale scores. Differences were compared using paired t-tests and ANOVA. Results: Thirty-seven participants submitted self-assessments. There was improvement in establishing leadership (pre-mean 1.14, post-mean 2.30, P < 0.01), and all other objectives studied. Compared to each other, subgroups of nurses, physicians, and respiratory therapists demonstrated significant differences in learning of technical skills, but similar improvements with non-technical skills. Conclusion: These findings suggest that the FFM curriculum is an effective tool for training non-acute care pediatric providers interprofessional resuscitation skills. Future research should assess provider behavioral changes, retention of training requirements, and patient outcomes. Relevance for Patients: Traditional resuscitation education programs focus largely, or entirely, on performance of technical skills and algorithmic actions. However, non-technical skills, such as leadership, are crucial to the overall success of resuscitation efforts. The FFM program was developed to incorporate leadership principles into the resuscitation education of non-acute care pediatric inpatient providers, and this curricular evaluation suggests that improvements in participant leadership skills occurred due to the program.

4.
Med Educ Online ; 27(1): 2106811, 2022 Dec.
Artigo em Inglês | MEDLINE | ID: mdl-35912470

RESUMO

In-hospital pediatric cardiopulmonary arrest is rare. With more than 50% of patients not surviving to discharge following cardiopulmonary arrest, it is important that health-care providers (HCPs) respond appropriately to deteriorating patients. Our study evaluated the performance of basic life support skills using non-acute HCPs during pediatric inpatient resuscitation events. We conducted a retrospective chart review of all code blue team (CBT) activations in non-acute care areas of a tertiary care children's hospital from 2008 to 2017. The main outcomes were frequency of life support algorithmic assessments and interventions (critical actions) performed by non-acute HCPs prior to the arrival of CBT. CBT activation and outcome data were summarized descriptively. Logistic regression was used to assess for an association of outcomes with the presence of established leadership. A total of 60 CBT activations were retrieved, 48 of which had data available on isolated non-acute HCP performance. Most children (93%) survived to discharge. Critical action performance review revealed that an airway, breathing and pulse assessment was documented to have occurred in 33%, 69% and 29% of cases, respectively. A full primary assessment was documented in 6% of cases. The presence of established leadership was associated with the performance of a partial ABC assessment. Our results suggest that resuscitation performance of pediatric inpatient non-acute HCPs often does not adhere to standard life support guidelines. These results highlight the need to reconsider the current approaches used for non-acute HCP resuscitation training.


Assuntos
Reanimação Cardiopulmonar , Parada Cardíaca , Equipe de Respostas Rápidas de Hospitais , Reanimação Cardiopulmonar/métodos , Criança , Pessoal de Saúde , Parada Cardíaca/diagnóstico , Parada Cardíaca/terapia , Humanos , Estudos Retrospectivos
5.
Paediatr Child Health ; 26(5): e229-e235, 2021 Aug.
Artigo em Inglês | MEDLINE | ID: mdl-34345322

RESUMO

OBJECTIVES: Bronchiolitis is the most common viral lower respiratory tract infection in children under age 2 for which high-flow nasal cannula (HFNC) is increasingly used. Understanding factors associated with HFNC failure is important to identify patients at risk for respiratory deterioration. The objective of this study was to evaluate patient characteristics associated with HFNC failure in bronchiolitis. METHODS: A retrospective review of patients aged 0 to 24 months, with bronchiolitis who received HFNC within a single tertiary paediatric intensive care unit, between January 2014 and December 2018 was conducted. HFNC treatment failure was defined as escalation to non-invasive positive pressure or invasive mechanical ventilation. Multivariable regression analysis was used to identify demographic, clinical, and biochemical parameters associated with HFNC failure. RESULTS: Two hundred eight patients met inclusion criteria, of which 61 (29.33%) failed HFNC. Risk factors for HFNC failure included younger age (odds ratio [OR] 1.12; 95% confidence interval [CI] 1.03, 1.23; P=0.011) and a Modified Tal score greater than 5 at 4 hours of HFNC therapy (OR 2.81; 95% CI 1.04, 7.64; P=0.042). Duration of HFNC in hours was protective (OR 0.94; 95% CI 0.92, 0.96; P<0.001), such that deterioration is less likely once patients have remained stable on HFNC for a prolonged time. CONCLUSION: This is the first study exploring predictors of HFNC failure among Canadian children with bronchiolitis. Patient age, HFNC duration, and Modified Tal score were associated with HFNC failure. These factors should be considered when initiating HFNC for bronchiolitis to identify patients at risk for deterioration.

6.
Pediatr Emerg Care ; 37(12): e1747-e1749, 2021 Dec 01.
Artigo em Inglês | MEDLINE | ID: mdl-32011558

RESUMO

ABSTRACT: Primary adrenal insufficiency is a potentially life-threatening condition that provides a diagnostic challenge because many patients have months to years of insidious symptomatology. Adrenal crisis is the extreme acute manifestation of primary adrenal insufficiency, presenting with any, or all, of severe weakness, altered mental status, hypotension, and rarely cardiorespiratory arrest. Primary adrenal insufficiency should be considered in patients with clinical features of glucocorticoid and/or mineralocorticoid deficiency. These features however, such as hyperpigmentation, may be subtle, and so a degree of suspicion is needed to make the diagnosis. In extremis, children may present with fluid and catecholamine refractory shock. The management of an adrenal crisis includes prompt delivery of stress-dose corticosteroids together with aggressive organ support and correction of metabolic and electrolyte disturbances. We report the case of a previously healthy 10-year-old child that presented to a community emergency department in pulseless arrest, in whom adrenal crisis was suspected as well as treated early, and was subsequently successfully resuscitated.


Assuntos
Doença de Addison , Insuficiência Adrenal , Parada Cardíaca , Doença de Addison/complicações , Doença de Addison/diagnóstico , Doença de Addison/tratamento farmacológico , Insuficiência Adrenal/complicações , Insuficiência Adrenal/diagnóstico , Criança , Feminino , Glucocorticoides/uso terapêutico , Parada Cardíaca/etiologia , Humanos , Vômito/etiologia
7.
Paediatr Child Health ; 26(6): e265-e271, 2021 Oct.
Artigo em Inglês | MEDLINE | ID: mdl-36874401

RESUMO

Background and Objectives: Procedural practice by paediatricians in Canada is evolving. Little empirical information is available on the procedural competencies required of general paediatricians. Accordingly, the aim of this study was to conduct a needs assessment of Canadian general paediatricians to identify procedural skills required for practice, with the goal of informing post-graduate and continuing medical education. Methods: A survey was sent to paediatricians through the Canadian Paediatric Surveillance Program (CPSP) (www.cpsp.cps.ca/surveillance). In addition to demographic information about practice type and location, participants were asked to indicate the frequency with which they performed each of 32 pre-selected procedures and whether each procedure was considered essential to their practice. Results: The survey response rate was 33.2% (938/2,822). Data from participants who primarily practice general paediatrics were analyzed (n=481). Of these, 71.0% reported performing procedures. The most frequently performed procedures were: bag-valve-mask ventilation of an infant, lumbar puncture, and ear curettage, being performed monthly by 40.8%, 34.1%, and 27.7% of paediatricians, respectively. The procedures performed by most paediatricians were also those found most essential to practice, with a few exceptions. Respondents performed infant airway procedures with greater frequency and rated them more essential when compared to the same skill performed on children. We found a negative correlation between procedures being performed and difficulty maintaining proficiency in a skill. Conclusions: This report of experiences from Canadian general paediatricians suggests a wide variability in the frequency of procedural performance. It helps establish priorities for post-graduate and continuing professional medical education curricula in the era of competency-based medical education.

8.
Paediatr Child Health ; 25(7): 467-472, 2020 Nov.
Artigo em Inglês | MEDLINE | ID: mdl-33173558

RESUMO

BACKGROUND AND OBJECTIVES: Resident duty hours remain a controversial topic in the literature. Competing interests include patient safety, resident education, and resident well-being. No studies, however, have sought family members' perspectives on duty hours in the paediatric context. This study aimed to explore family members' knowledge of trainee duty hours, and their perspectives on the balance between shift duration and hand-off frequency. METHODS: We surveyed family members of patients admitted ≥ 24 hours in the paediatric intensive care unit at an academic center. We simultaneously collected daily logs of hours worked by trainees. Descriptive statistics were used to analyze survey responses and trainee duty hours. RESULTS: One-hundred and one family members responded (75%). Respondents demonstrated knowledge of trainees working long duty hours but reported lower averages than the trainee logs (55 versus 66 hours per week and 16 versus 24 hours per shift). Elements related to both potential trainee fatigue and hand-offs raised concern in more than half of respondents. When asked to choose between a familiar trainee working a prolonged shift, or an unfamiliar trainee at the start of their shift, respondents were divided (52% versus 48%, respectively). CONCLUSIONS: Family members of critically ill paediatric patients are aware that trainees provide patient care while working long duty hours with minimal sleep. Despite this awareness, long shifts retain value with some families, possibly due to continuity. Changes to duty hours and hand-off frequency may pose an unrealized harm on family-centered care, as well as patient-provider relationships, and further study is warranted.

9.
Can J Cardiol ; 36(11): 1795-1804, 2020 11.
Artigo em Inglês | MEDLINE | ID: mdl-32330435

RESUMO

Cardiac disease in children is associated with significant morbidity and mortality as well as increased health resource utilisation. There is a perception that there is a paucity of high-quality studies, particularly randomized controlled trials (RCTs), in the field of pediatric cardiology. We sought to identify, examine, and map the range of RCTs conducted in children with cardiac conditions, including the development of a searchable open-access database. A literature search was conducted encompassing MEDLINE, EMBASE, and the Cochrane Central Register of Controlled Trials from inception to 2018. All English-language RCTs enrolling children (age 0-21 years) with cardiac conditions were included. Data extraction and risk of bias assessments were performed in duplicate via crowdsourcing for each eligible study and entered into an online database. A total of 933 RCTs met eligibility criteria. Median trial recruitment was 49 patients (interquartile range 30-86) with 18.9% of studies (n = 176) including > 100 patients. A wide variety of populations and interventions were encompassed with congenital heart disease (79.8% of RCTs) and medications (63.3% of RCTs) often studied. Just over one-half of the trials (53.4%) clearly identified a primary outcome, and fewer than half (46.6%) fully documented a robust randomization process. Trials were summarised in a searchable online database (https://pediatrics.knack.com/cardiology-rct-database#cardiology-rcts/). Contrary to a commonly held perception, there are nearly 1,000 published RCTs in pediatric cardiology. The open-access database created as part of this project provides a resource that facilitates an efficient comprehensive review of the literature for clinicians and researchers caring for children with cardiac issues.


Assuntos
Cardiologia , Ensaios Clínicos como Assunto , Crowdsourcing/métodos , Cardiopatias/epidemiologia , Criança , Saúde Global , Humanos , Morbidade/tendências , Taxa de Sobrevida/tendências
10.
Med Educ Online ; 24(1): 1581521, 2019 Dec.
Artigo em Inglês | MEDLINE | ID: mdl-30811308

RESUMO

Multiprofessional ward healthcare providers are generally unprepared to assemble and engage in the initial resuscitation of pediatric inpatients. This is important as the performance of these first-responders, in the several minutes prior to the arrival of acute care support, may have significant effects on overall patient outcome. Accordingly, we aimed to develop and pilot a training program intended for non-acute care inpatient providers, relevant to their working context. Using the latest theory and evidence in medical education, we created an interprofessional, entirely in-situ, simulation-based small-group activity. The activity was then piloted for four months with the goals of assessing perceived usefulness, as well as implementation factors such as participant accessibility and overall resource requirements. A total of 37 interprofessional (physician and nursing) staff were trained in 16 small group sessions over four months. Post-participation questionnaires revealed that the activity was perceived to be highly useful for their practice; especially the rapid cycle deliberate practice instructional method, and the increased focus on crisis resource management. Resource requirements were comparable to, and perhaps less than, existing acute care training programs. This project describes the preliminary steps taken in creating a curriculum intended to improve interprofessional resuscitation performance across an institution.


Assuntos
Educação Médica/organização & administração , Educação em Enfermagem/organização & administração , Relações Interprofissionais , Pediatria/educação , Ressuscitação/educação , Criança , Competência Clínica , Currículo , Humanos , Equipe de Assistência ao Paciente/organização & administração , Projetos Piloto , Desenvolvimento de Programas
11.
J Emerg Med ; 55(6): e141-e145, 2018 12.
Artigo em Inglês | MEDLINE | ID: mdl-30287134

RESUMO

BACKGROUND: Pediatric exposure to prazosin is unusual because it is most commonly indicated for the treatment of hypertension. Prazosin's increase in popularity as a treatment for posttraumatic stress disorder makes it important for emergency physicians to be aware of how to manage potential toxic ingestion because of prazosin overdose. CASE REPORT: A 16-year-old, 76-kg female presented after ingesting 110 mg of prazosin, 209.3 g of acetaminophen, and 55 g of naproxen. She was admitted to the pediatric intensive care unit for rapidly deteriorating hypotension (lowest blood pressure 47/19 mm Hg) refractory to aggressive fluid resuscitation and infusions of epinephrine and norepinephrine each at 0.5 mcg/kg/min. Stabilization of blood pressure was eventually achieved, and associated with use of a vasopressin infusion of 0.004 units/kg/min. WHY SHOULD AN EMERGENCY PHYSICIAN BE AWARE OF THIS?: Because of the increasing exposure of children to prazosin, clinicians should be aware of the pharmacology behind alpha-1 antagonist overdose and consider treatment options, such as vasopressin, when hypotension is resistant to standard fluid and catecholamine therapy.


Assuntos
Acetaminofen/intoxicação , Analgésicos não Narcóticos/intoxicação , Anti-Inflamatórios não Esteroides/intoxicação , Anti-Hipertensivos/intoxicação , Overdose de Drogas/terapia , Hipotensão/induzido quimicamente , Naproxeno/intoxicação , Prazosina/intoxicação , Adolescente , Feminino , Humanos , Tentativa de Suicídio
12.
Perspect Med Educ ; 6(6): 388-395, 2017 Dec.
Artigo em Inglês | MEDLINE | ID: mdl-29134620

RESUMO

INTRODUCTION: Scholarly activity is considered valuable in the resident selection process by candidates and program directors alike, despite existing literature suggesting applicants with scholarly work do not perform better in the match. These studies, however, are limited in that they have only measured whether candidates have successfully matched or not. To try and reconcile the existing disconnect in the value of pre-residency scholarly activity, we sought to deepen the understanding by investigating whether pre-residency publication is associated with a higher rank-order list match achievement. METHODS: Anonymized data were collected from the Canadian Residency Matching Service for individuals matched to paediatric programs from 2007-2012. The primary analysis was to identify whether documentation of ≥1 pre-residency publication was associated with achieving a first-choice match. Secondary analyses included evaluating for an association between multiple pre-residency publications, academic presentations or a graduate degree and match outcome. RESULTS: Of a total of 843 matched individuals, 406 (48.2%) listed ≥1 pre-residency publication and 494 (58.6%) matched to their first-choice program. The possession of ≥1 pre-residency publications was not associated with matching to a candidate's first-choice program (odds ratio = 0.94 [95% confidence interval = 0.71-1.24], p = 0.66). Similarly, listing ≥2 publications, ≥3 publications, a graduate degree, or an academic presentation was not associated with achieving a first-choice match. CONCLUSIONS: The results provide increased support for the notion that in aggregate, candidate scholarly activity does not influence match outcome. Accordingly, it is recommended that medical student research activities are fostered with the goal to improve their skills as scientists, and not simply to achieve a better residency match outcome.

14.
Paediatr Child Health ; 21(4): 187-90, 2016 May.
Artigo em Inglês | MEDLINE | ID: mdl-27429570

RESUMO

OBJECTIVE: To determine whether an association exists between the publication of journal articles before and during paediatrics residency. METHODS: A retrospective search of PubMed was conducted for publications by all 567 Canadian paediatricians certified between 2009 and 2012, inclusive. Paediatricians were separated into groups based on the number of articles published preresidency (0 or ≥1) and during residency (0 or ≥1). The methodology was validated using a group of local paediatricians who were contacted to verify whether their publications were identified accurately. RESULTS: A total of 160 of 567 (28%) certified paediatricians had preresidency publications; of these, 93 (58%) subsequently published during their residency period. Among the remaining 407 (72%) paediatricians without preresidency publications, 129 (32%) published during residency. The association between publication before and during paediatric residency was statistically significant (OR 2.98 [95% CI 2.04 to 4.36]; P<0.001). Results from the validation analysis suggested the methodology correctly identified pre- and during residency publication status with 87% and 90% accuracy, respectively. CONCLUSION: Individuals with previous publications were more likely to publish as residents; however, 42% of individuals with pre-residency publications did not publish as residents. Residency selection committees may find these data helpful in assessing the publication potential of their applicants. In addition, this information may assist in building more targeted and individualized research curricula within residency programs.


OBJECTIF: Déterminer s'il y a un lien entre la publication d'articles scientifiques avant et pendant la résidence en pédiatrie. MÉTHODOLOGIE: Dans PubMed, les chercheurs ont réalisé une recherche rétrospective des publications sur les 567 pédiatres canadiens certifiés entre 2009 et 2012, inclusivement. Ils ont séparé les pédiatres en plusieurs groupes, selon le nombre d'articles publiés avant la résidence (0 ou au moins 1) et pendant la résidence (0 ou au moins 1). Pour valider leur méthodologie, ils ont pris contact avec un groupe de pédiatres locaux et vérifié si les publications avaient été correctement identifiées. RÉSULTATS: Au total, 160 de 567 pédiatres certifiés (28 %) ont publié avant leur résidence. De ce nombre, 93 (58 %) ont également publié pendant leur résidence. Chez les 407 pédiatres (72 %) qui n'ont pas publié avant leur résidence, 129 (32 %) l'ont fait pendant leur résidence. L'association entre les publications avant et pendant la résidence en pédiatrie était statistiquement significative (RC 2,98 [95 % IC 2,04 à 4,36]; P<0,001). Selon les résultats de l'analyse de validation, la méthodologie a permis de repérer correctement les publications effectuées avant et pendant la résidence, dans une proportion de 87 % et de 90 %, respectivement. CONCLUSION: Les personnes qui avaient déjà publié étaient plus susceptibles de publier pendant leur résidence, même si 42 % d'entre elles ne l'ont pas fait. Les comités de sélection de résidents pourraient trouver ces données utiles pour évaluer le potentiel de publication de leurs candidats. En outre, l'information pourrait contribuer à la création de cursus de recherche plus ciblés et plus personnalisés dans les programmes de résidence.

15.
J Pediatr Intensive Care ; 5(4): 205-212, 2016 Dec.
Artigo em Inglês | MEDLINE | ID: mdl-31110906

RESUMO

Patients determined to be neurologically deceased exhibit potentially harmful changes in various endocrine pathways due to disruptions of the body's neurohormonal control mechanisms. These deviations from endocrine homeostasis lead to hemodynamic, metabolic, and immunologic aberrations that are associated with reduced graft procurement and function for the purposes of organ donation. Existing literature has attempted to describe the pathophysiology that associates disruptions in endocrine pathways with organ dysfunction, both to increase understanding and to identify strategies to support the donor. For example, diabetes insipidus due to arginine vasopressin deficiency is commonly encountered, and should be anticipated. The significance of abnormalities in other pathways such as those involving cortisol and thyroid hormone is less established; however, there is increasing support for treating potential organ donors with combined hormonal therapies. While there are published documents aimed at guiding management of organ donors in general, many controversies exist and pediatric-specific literature is scarce. This article aims to review several of the important endocrine-specific aspects of managing the neurologically deceased organ donor, with an emphasis on pediatrics where information is available.

16.
Mol Syst Biol ; 3: 116, 2007.
Artigo em Inglês | MEDLINE | ID: mdl-17551511

RESUMO

Ubiquitin-protein ligases (E3s) are responsible for target recognition and regulate stability, localization or function of their substrates. However, the substrates of most E3 enzymes remain unknown. Here, we describe the development of a novel proteomic in vitro ubiquitination screen using a protein microarray platform that can be utilized for the discovery of substrates for E3 ligases on a global scale. Using the yeast E3 Rsp5 as a test system to identify its substrates on a yeast protein microarray that covers most of the yeast (Saccharomyces cerevisiae) proteome, we identified numerous known and novel ubiquitinated substrates of this E3 ligase. Our enzymatic approach was complemented by a parallel protein microarray protein interaction study. Examination of the substrates identified in the analysis combined with phage display screening allowed exploration of binding mechanisms and substrate specificity of Rsp5. The development of a platform for global discovery of E3 substrates is invaluable for understanding the cellular pathways in which they participate, and could be utilized for the identification of drug targets.


Assuntos
Análise Serial de Proteínas , Proteínas Ribossômicas/metabolismo , Saccharomyces cerevisiae/metabolismo , Ubiquitina/metabolismo , Motivos de Aminoácidos , Sequência de Aminoácidos , Dados de Sequência Molecular , Biblioteca de Peptídeos , Ligação Proteica , Proteoma , Reprodutibilidade dos Testes , Especificidade por Substrato
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