Featured Article: Caregiver Perceptions of Stress and Sibling Conflict During Pediatric Cancer Treatment.
Ontology highlight
ABSTRACT:
SUBMITTER: Fladeboe K
PROVIDER: S-EPMC6005109 | biostudies-literature | 2018 Jul
REPOSITORIES: biostudies-literature
Publications
Featured Article: Caregiver Perceptions of Stress and Sibling Conflict During Pediatric Cancer Treatment.
Fladeboe Kaitlyn K King Kevin K Kawamura Joy J Gurtovenko Kyrill K Stettler Nicole N Compas Bruce B Friedman Debra D Lengua Liliana L Breiger David D Katz Lynn Fainsilber LF
Journal of pediatric psychology 20180701 6
<h4>Objective</h4>The current study examined the effect of stress on sibling conflict during the first year of pediatric cancer treatment.<h4>Method</h4>Families (N = 103) included a child with cancer (aged 2-17 years, Mage = 6.46, SD = 3.52) and at least one sibling aged <5 years of the child with cancer (Mage = 8.34, SD = 5.61). Primary caregivers completed monthly questionnaires throughout the first year of treatment assessing five sources of stress (i.e., general life, cancer-related, financ ...[more]
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Project description:Study objectivesSleep is critical to a child's health and well-being, but children are likely to sleep less and be awakened more often during the night in the hospital than at home. To date no studies have compared caregiver, nurse, and physician perspectives of nighttime sleep disruptions in the pediatric general medicine setting. Our aim was to assess caregiver, nurse, and physician perspectives on the most frequent in-hospital disruptors of sleep for pediatric patients. Additionally, we evaluated the degree of agreement of those opinions between the caregivers and medical team.MethodsCaregivers, nurses, and physicians were surveyed using the Potential Hospital Sleep Disruption and Noises Questionnaire (PHSDNQ) regarding their opinions on factors that disrupt sleep. Caregiver responses were collected via a convenience sample of patients hospitalized from February to August 2017 and hospital staff was surveyed once regarding overall perception. The perceived percentage of patients disrupted by each factor was calculated and compared among groups using chi-square tests. Using caregiver rank order based on mean response as the reference gold standard, the absolute differences of nurse and physician rank orders were summed and analyzed using a two-sample test of proportion. In addition, staff was asked knowledge and empowerment questions about how to maximize patient sleep in the hospital and responses were compared using chi-square tests.ResultsA total of 162 caregivers, 77 nurses (84% response rate), and 81 physicians (90% response rate) completed surveys. Checking vital signs (50%), nurse/physician interruption (49%), and continuous pulse oximetry (38%) were the three most prevalent disruptors of pediatric inpatient sleep as reported by caregivers. Significant differences were observed between caregiver, nurse, and physician responses for pain, anxiety, alarms, noise, and tests (P ≤ .001 for all). Both nurse and physician rank orders were discordant when compared to caregivers; there was no significant difference between the two staff groups. When compared to physicians, nurses reported doing more to help children sleep in the hospital (33% versus 94%, P < .001).ConclusionsAlthough caregivers report medical interventions such as checking vital signs, nurse/physician interruption, and continuous pulse oximetry as the most frequent disruptors of inpatient pediatric sleep, pediatric staff has poor insight into these disruptions.
| S-EPMC6223548 | biostudies-literature
Project description:Doxorubicin is a chemotherapeutic drug typically administered systemically which frequently leads to cardiac and hepatic toxicities. Local delivery to a tumor has a chance to mitigate some of these toxicities and can further be mitigated by including a means of tumor-specific drug release. Our laboratory has explored the use of molecular interactions to control the rate of drug release beyond that capable of diffusion alone. To this system, we added an additional affinity group (adamantane) to doxorubicin through a pH-sensitive hydrazone bond. The result was a modified doxorubicin which had an even higher affinity to our drug delivery polymer, and virtually no release in normal conditions, but showed accelerated release of drug in tumor-like low pH. Further, we show that adamantane-modified doxorubicin (adamantane-doxorubicin) and cleaved adamantane-doxorubicin showed equivalent capacity to kill human U-87 glioblastoma cells in vitro as unmodified doxorubicin. Taken together, these data demonstrate our ability to load high levels of modified chemotherapeutic drugs into our affinity-based delivery platform and deliver these drugs almost exclusively in the acidic microenvironments, such as those surrounding the tumor tissue via pH-cleavable bond while minimizing drug delivery in neutral pH tissue, with the ultimate goal of reducing systemic through better local delivery. Impact statement Doxorubicin (DOX) is especially cytotoxic to the heart, liver, kidneys, and healthy tissues surrounding the tumor microenvironment. This systemic toxicity can be partially addressed by local, tumor-specific drug delivery systems. While pH-sensitive DOX delivery systems have been developed by several other groups, many lack a prolonged and consistent release profile required to successfully treat heterogeneous tumors. Our system of a chemically modified form of DOX combined with an affinity-based cyclodextrin delivery system is capable of delivering DOX for 87 days while maintaining its the drug cytotoxicity. This finding is particularly relevant to improving cancer treatments because it enables regulated local delivery of DOX specifically to tumor tissue and allows the drug to be continuously delivered over a therapeutically relevant amount of time.
| S-EPMC5363690 | biostudies-literature
Project description:Stress-associated premature senescence plays a major role in retinal diseases. In this study, we investigated the relationship between endothelial dysfunction, endoplasmic reticulum (ER) stress, and cellular senescence in the development of retinal dysfunction. We tested the hypothesis that constant endothelial activation by transmembrane tumor necrosis factor-α (tmTNF-α) exacerbates age-induced visual deficits via senescence-mediated ER stress in this model. To address this, we employed a mouse model of chronic vascular activation using endothelial-specific TNF-α-expressing (tie2-TNF) mice at 5 and 10 months of age. Visual deficits were exhibited by tie2-TNF mice at both 5 months and 10 months of age, with the older mice showing statistically significant loss of visual acuity compared with tie2-TNF mice at age 5 months. The neural defects, as measured by electroretinogram (ERG), also followed a similar trend in an age-dependent fashion, with 10-month-old tie2-TNF mice showing the greatest decrease in "b" wave amplitude at 25 cd.s.m2 compared with age-matched wildtype (WT) mice and five-month-old tie2-TNF mice. While gene and protein expression from the whole retinal extracts demonstrated increased inflammatory (Icam1, Ccl2), stress-associated premature senescence (p16, p21, p53), and ER stress (Grp78, p-Ire1α, Chop) markers in five-month-old tie2-TNF mice compared with five-month-old WT mice, a further increase was seen in 10-month-old tie2-TNF mice. Our data demonstrate that tie2-TNF mice exhibit age-associated increases in visual deficits, and these data suggest that inflammatory endothelial activation is at least partly at play. Given the correlation of increased premature senescence and ER stress in an age-dependent fashion, with the loss of visual functions and increased endothelial activation, our data suggest a possible self-enhanced loop of unfolded protein response pathways and senescence in propagating neurovascular defects in this model. Impact statement Vision loss in most retinal diseases affects the quality of life of working age adults. Using a novel animal model that displays constant endothelial activation by tmTNF-α, our results demonstrate exacerbated age-induced visual deficits via premature senescence-mediated ER stress. We have compared mice of 5 and 10 months of age, with highly relevant human equivalencies of approximately 35- and 50-year-old patients, representing mature adult and middle-aged subjects, respectively. Our studies suggest a possible role for a self-enhanced loop of ER stress pathways and senescence in the propagation of retinal neurovascular defects, under conditions of constant endothelial activation induced by tmTNF-α signaling.
| S-EPMC6180406 | biostudies-literature
Project description:Young people with special educational needs and disabilities (SENDs) and their families have been particularly hard hit by the COVID-19 pandemic. In this longitudinal study, sibling conflict in these families during and after the first lockdown in the United Kingdom was investigated. Online questionnaires were completed by 504 parents of young people with SENDs at four time points between 23 March 2020 and 10 October 2020 (over half completed the questionnaire at multiple time points). As lockdown progressed, young people with SENDs were more likely to be picked on or hurt by their siblings compared with earlier stages of the lockdown but there was no change in how frequently they harmed or picked on their siblings. After lockdown, both perpetration and victimization decreased but not to the same rates as the first month of lockdown. Young people with SENDs with severe or complex needs were somewhat protected from sibling conflict. Findings are discussed with reference to implications for support and planning for future pandemics.
| S-EPMC8646725 | biostudies-literature
Project description:Offspring survival can often depend on successful communication with parents about their state of need. Theory suggests that offspring will be less likely to honestly signal their need when they experience greater competition from either a greater number of nestmates or less-related nestmates. We found support for this hypothesis with a comparative analysis, examining data from across 60 species of birds. We found that offspring are less honest about their level of need when (i) they face competition from current siblings; (ii) their parents are likely to breed again, and so they are in competition with future siblings; and (iii) parental divorce or death means that they are likely to be less related to future siblings. More generally, these patterns highlight the sensitivity of communication systems to conflict between signaler and receiver while also suggesting that when there is little conflict, natural selection favors the honest.
| S-EPMC5137754 | biostudies-literature
Project description:The change of gut microbiome is associated with a serious of metabolic disorders, such as diabetes. As a glucagon-like peptide 1 analogue, liraglutide is a potent antidiabetic drug in clinical practice. However, the effect of liraglutide on the community of gut microbiota is still unknown. We aimed to determine the influence of liraglutide on fecal microbiota in diabetic male rats. Five-week-old male Sprague-Dawley rats were fed with a control diet or a high-fat diet for four weeks. By injecting streptozotocin, the diabetic rat model was performed. Diabetic male rats were injected subcutaneously with a low dose of liraglutide (liraglutide 0.2 mg/kg/day), a high dose of liraglutide (liraglutide 0.4 mg/kg/day), or normal saline for 12 weeks. Our data showed that liraglutide effectively prevented the development of diabetes in male rats. Pyrosequencing of the V3-V4 region of 16S rRNA genes manifested a remarkable transfer of gut microbiota construction in liraglutide-treated male rats compared with that of the diabetic male rats. Further analysis identified 879 liraglutide-treated specific operational taxonomic units. Some short-chain fatty acid (SCFA)-producing bacteria, including Bacteroides, Lachnospiraceae, and probiotic bacteria, Bifidobacterium, were selectively enhanced in liraglutide-treated diabetic male rats. Lactobacillus was negatively correlated with fasting blood glucose. To sum up, our findings propose that the prevention of diabetes by liraglutide in the diabetic male rats may be associated with the structural change of the gut microbiota, inflammation alleviation, and abundantly elevated SCFA-producing bacteria in the intestine. Impact statement Our findings suggest that significant changes in gut microbiota are associated with liraglutide treatment on the diabetic male rats, including enrichment of short-chain fatty acid producers and probiotic bacteria. This may help alleviate systemic inflammation and contribute to the beneficial effects of liraglutide against diabetes.
| S-EPMC5788162 | biostudies-literature
Project description:Wap-Int3 transgenic females expressing the Notch4 intracellular domain (designated Int3) from the whey acidic protein promoter exhibit two phenotypes in the mammary gland: blockage of lobuloalveolar development and lactation, and tumor development with 100% penetrance. Previously, we have shown that treatment of Wap-Int3 tumor bearing mice with Imatinib mesylate (Gleevec) is associated with complete regression of the tumor. In the present study, we show that treatment of Wap-Int3 mice during day 1 through day 6 of pregnancy with Gleevec leads to the restoration of their lobuloalveolar development and ability to lactate in subsequent pregnancies in absence of Gleevec treatment. In addition, these mice do not develop mammary tumors. We investigated the mechanism for Gleevec regulation of Notch signaling and found that Gleevec treatment results in a loss of Int3 protein but not of Int3 mRNA in HC11 mouse mammary epithelial cells expressing Int3. The addition of MG-132, a proteasome inhibitor, shows increased ubiquitination of Int3 in the presence of Gleevec. Thus, Gleevec affects the stability of Int3 by promoting the degradation of Int3 via E3 ubiquitin ligases targeting it for the proteasome degradation. Gleevec is a tyrosine kinase inhibitor that acts on c-Kit and PDGFR. Therefore, we investigated the downstream substrate kinase GSK3β to ascertain the possible role that this kinase might play in the stability of Int3. Data show that Gleevec degradation of Int3 is GSK3β dependent. We have expanded our study of the effects Gleevec has on tumorigenesis of other oncogenes. We have found that anchorage-independent growth of HC11-c-Myc cells as well as tumor growth in nude mice is inhibited by Gleevec treatment. As with Int3, Gleevec treatment appears to destabilize the c-Myc protein but not mRNA. These results indicate that Gleevec could be a potential therapeutic drug for patients bearing Notch4 and/or c-Myc positive breast carcinomas.
| S-EPMC5206985 | biostudies-other
Project description:ImportanceUnderstanding youth well-being during the COVID-19 pandemic can help appropriately allocate resources and inform policies to support youth.ObjectiveTo examine caregiver-reported changes in the psychological well-being of their children 3 to 4 months after the start of COVID-19 stay-at-home orders, and to examine the association of caregiver-reported COVID-19 exposure and family stressors with caregiver perceptions of child psychological well-being.Design, setting, and participantsThis survey study used an anonymous survey distributed via email from June 24 to July 15, 2020, to 350 000 families of students attending public schools in Chicago, Illinois. The a priori hypotheses were that caregivers would report worsening in child psychological well-being during the closure period compared with preclosure and that exposure to COVID-19-related stressors would be associated with a higher probability of worsening child psychological well-being. Data were analyzed from September 10, 2020, to March 15, 2021.Main outcomes and measuresOutcomes were 7 mental health concerns and 5 positive adjustment characteristics reported by caregivers using a retrospective pre-post design. COVID-19 exposure and family stressors were also reported by caregivers.ResultsAmong 350 000 families invited to participate, 32 217 caregivers (10 827 [39.3%] White, 8320 [30.2%] Latinx, 6168 [22.4%] Black; 2223 [8.1%] with multiple or other races/ethnicities) completed the survey on behalf of 49 397 children in prekindergarten through 12th grade. Child-specific outcomes were reported for 40 723 to 40 852 children depending on the specific question. The frequency of caregiver endorsement of youth mental health concerns ranged from 0.1 percentage point (suicidal ideation or self-harm, reported by 191 caregivers [0.5%] preclosure vs 246 caregivers [0.6%] during closure; P < .001) to 28.3 percentage points (loneliness, reported by 1452 caregivers [3.6%] preclosure vs 13 019 caregivers [31.9%] during closure; P < .001) higher after the end of in-person instruction compared with preclosure. Frequency of caregiver endorsement of youth positive adjustment characteristics ranged from -13.4 percentage points (plans for the future, reported by 18 114 caregivers [44.3%] preclosure vs 12 601 caregivers [30.9%] during closure; P < .001) to -30.9 percentage points (positive peer relationships, reported by 24 666 caregivers [60.4%] preclosure vs 19 130 caregivers [46.8%] during closure; P < .001) lower after the end of in-person instruction. Significant differences in COVID-19 exposure were observed across racial/ethnic (F3,27 534 = 614.8; P < .001) and household income strata (F5,27 506 = 842.0; P < .001). After accounting for covariates, all mental health concerns increased in probability (eg, angry: odds ratio, 1.55 [95% CI, 1.48-1.62]; P < .001) and all the positive adjustment characteristics decreased in probability (eg, hopeful or positive: odds ratio, 0.88 [95% CI, 0.84-0.92]; P < .001) as COVID-19 exposure and family stressors increased.Conclusions and relevanceIn this survey study of caregivers during the COVID-19 pandemic, COVID-19 and resulting exposure to stress were associated with worse youth psychological well-being, demonstrating the need for a comprehensive public health approach that prioritizes children's well-being and draws broad public attention to the mental health needs of youth.
| S-EPMC8085728 | biostudies-literature
Project description:Objective:The present study sought to examine adolescents' perceptions of their interpersonal stressors and resources across parent, sibling, friend, and school relationships, and the longitudinal associations with self-reported adjustment after traumatic brain injury (TBI) over a 12-month period. Methods:We examined the main effects of stressors and resources on internalizing and externalizing symptoms in 152 adolescents who had sustained complicated mild-to-severe TBI. We also investigated the conjoint effects of stressors and resources and the moderating effects of TBI severity with stressors and resources on outcomes. Results:High stressors consistently predicted worse adjustment. High resources were generally only associated with fewer internalizing symptoms. Main effects were qualified by interactions between school stressors and resources in predicting externalizing symptoms and between friend stressors and resources in predicting internalizing and externalizing symptoms. For school stressors, the effects of resources on externalizing symptoms functioned as a buffer. In comparison, the buffering effects of friend resources on internalizing and externalizing symptoms disappeared at moderate-to-high levels of friend stress. Moderating effects of TBI severity were also observed, such that as family resources increased, only adolescents with complicated mild-to-moderate TBI, but not those with severe TBI, experienced decreases in internalizing and eternalizing symptoms. Conclusion:Interpersonal stressors and social support have important implications for adolescent adjustment after TBI. Adolescents with low levels of school resources, with high levels of friend stress, and who sustain severe TBI are at greatest risk for difficulties with adjustment.
| S-EPMC7191621 | biostudies-literature
Project description:ObjectiveTo assess the effectiveness of behavioral parent-only (PO) and family-based (FB) interventions on child weight, dietary intake, glycated hemoglobin, and quality of life in rural settings.MethodsThis study was a three-armed, randomized controlled trial. Participants were children (age 8-12 years) with overweight or obesity and their parents. A FB (n = 88), a PO (n = 78) and a health education condition (HEC) (n = 83) each included 20 group contacts over 1 year. Assessment and treatment contacts occurred at Cooperative Extension Service offices. The main outcome was change in child body mass index z-score (BMIz) from baseline to year 2.ResultsParents in all conditions reported high treatment satisfaction (mean of 3.5 or higher on a 4-point scale). A linear mixed model analysis of change in child BMIz from baseline to year 1 and year 2 found that there were no significant group by time differences in child BMIz (year 2 change in BMIz for FB = -0.03 [-0.1, 0.04], PO = -0.01 [-0.08, 0.06], and HEC = -0.09 [-0.15, -0.02]). While mean attendance across conditions was satisfactory during months 1-4 (69%), it dropped during the maintenance phase (42%). High attendance for the PO intervention was related to greater changes in child BMIz (p < .02). Numerous barriers to participation were reported.ConclusionMany barriers exist that inhibit regular attendance at in-person contacts for many families. Innovative delivery strategies are needed that balance treatment intensity with feasibility and acceptability to families and providers to facilitate broad dissemination in underserved rural settings.ClinicalTrials.gov Identifier: NCT01820338.
| S-EPMC6705715 | biostudies-literature