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1.
Fam Community Health ; 47(3): 209-218, 2024.
Article En | MEDLINE | ID: mdl-38713756

BACKGROUND: Adult day services (ADS) are therapeutic, social, and health-related activities that keep people in their homes, rather than institutional settings. While there is a growing body of literature on ADS for older adults, there is far less information available about ADS for younger adults with intellectual and/or developmental disabilities (IDDs). METHOD: Researchers conducted a scoping review of 6 databases (892 total articles). RESULTS: After applying inclusion and exclusion criteria, 74 full articles were reviewed, with 10 articles meeting study requirements. The research team found the literature is limited to simple descriptive reports or interventions that use ADS as a platform. CONCLUSIONS: Simply put, we know very little about the services provided to younger adults with IDD in ADS. Implications for future research are discussed, including the need to catalog the services offered in ADS for younger adults with IDD and to evaluate their impact on participant well-being.


Developmental Disabilities , Intellectual Disability , Humans , Developmental Disabilities/therapy , Intellectual Disability/therapy , Adult , Adult Day Care Centers , Day Care, Medical
2.
Gerontologist ; 2024 Mar 23.
Article En | MEDLINE | ID: mdl-38520290

BACKGROUND AND OBJECTIVES: Autism Spectrum Disorder (ASD) is a lifelong diagnosis. While several studies have examined the effects of autism throughout childhood, few have considered older adulthood and the difference between the allistic (i.e., persons who are not autistic) population and autistic older adults. In literature regarding healthy aging, there is sparse evidence regarding the intersections of older adulthood and autism. The purpose of this scoping review was to examine the state of literature regarding autistic older adults and the domains of healthy aging, utilizing the framework conceived by Arksey and O'Malley (2005). RESEARCH DESIGN AND METHODS: To identify the research question, we took the following steps: identify the relevant studies; select studies; chart the data; and collate, summarize, and report the results. The specific domains of healthy aging considered include physical health, mobility, mental health, cognition and memory, and social connectedness. RESULTS: A total of 35 articles were selected for final review. Fifty-seven percent of these studies considered only one domain of healthy aging, 23% studied two domains, while 14% measured three domains and 6% assessed four domains. No study considered all five domains. Of the five domains considered for this scoping review, mental health and cognition and memory were the most represented domains in the studies. DISCUSSION AND IMPLICATIONS: Overall, healthy aging among autistic older adults is largely understudied. More research is needed to better identify and tailor interventions and services for autistic older adults and their families to support healthy aging.

3.
J Alzheimers Dis ; 98(2): 445-463, 2024.
Article En | MEDLINE | ID: mdl-38461501

Background: Adult day services (ADS) are an important and often underutilized support resource for older adults. For persons living with dementia (PLWD), ADS is an optimal access point to not only receive therapeutic and rehabilitative activities, but as a vehicle for respite/relief for dementia caregivers. Yet, there is currently a lack of research on integrating caregiver interventions into home and community-based services such as ADS. Objective: This paper reports on qualitative findings from the Improving Outcomes for Family Caregivers of Older Adults with Complex Conditions: The Adult Day Plus (ADS Plus) Program Trial. Methods: Drawing from semi-structured interviews conducted with family caregivers and ADS site staff, we conducted a thematic analysis to examine the implementation process of ADS Plus. Results: Themes address the relational nature of the intervention, learning, influence of the administrative infrastructure, and receptivity of ADS Plus. Conclusions: Our analysis determined that implementation of ADS Plus was feasible and accepted by site staff and dementia caregivers but also calls for additional evaluation of embedded caregiver support interventions across different contexts (e.g., staff size, limited technology environments) to further identify and test implementation mechanisms across settings.


Caregivers , Dementia , Humans , Aged , Dementia/therapy , Health Services
4.
Ann Surg Oncol ; 31(4): 2727-2736, 2024 Apr.
Article En | MEDLINE | ID: mdl-38177461

BACKGROUND: Robot-assisted pelvic lymph node dissection (rPLND) has been reported in heterogenous groups of patients with melanoma, including macroscopic or at-high-risk-for microscopic metastasis. With changing indications for surgery in melanoma, and availability of effective systemic therapies, pelvic dissection is now performed for clinically detected bulky lymph node metastasis followed by adjuvant drug therapy. rPLND has not been compared with open pelvic lymph node dissection (oPLND) for modern practice. METHODS: All patients undergoing pelvic node dissection for macroscopic melanoma at a single institution were reviewed as a cohort, observational study. RESULTS: Twenty-two pelvic lymph node dissections were identified (8 oPLND; 14 rPLND). The number of pelvic lymph nodes removed was similar (median oPLND 6.5 (interquartile range [IQR] 6.0-12.5] versus rPLND 6.0 [3.75-9.0]), with frequent matted nodes (11/22, 50.0%). Operative time (median oPLND 130 min [IQR 95.5-182] versus rPLND 126 min [IQR 97.8-160]) and complications (Clavien-Dindo scale) were similar. Length of hospital stay (median 5.34 days (IQR 3.77-6.94) versus 1.98 days (IQR 1.39-3.50) and time to postoperative adjuvant therapy (median 11.6 weeks [IQR 10.6-18.5] versus 7.71 weeks [IQR 6.29-10.4]) were shorter in the rPLND group. No differences in pelvic lymph node recurrence (p = 0.984), distant metastatic recurrence (p = 0.678), or melanoma-specific survival (p = 0.655) were seen (median follow-up 21.1 months [rPLND] and 25.7 months [oPLND]). CONCLUSIONS: rPLND is an effective way to remove bulky pelvic lymph nodes in melanoma, with a shorter recovery and reduced interval to initiating adjuvant therapy compared with oPLND. This group of patients may especially benefit from neoadjuvant systemic approaches to management.


Lymphadenopathy , Melanoma , Robotics , Humans , Melanoma/drug therapy , Melanoma/surgery , Melanoma/pathology , Lymph Nodes/surgery , Lymph Nodes/pathology , Lymph Node Excision , Pelvis/surgery , Lymphadenopathy/surgery , Retrospective Studies , Retroperitoneal Space/surgery , Treatment Outcome
5.
Orphanet J Rare Dis ; 19(1): 9, 2024 Jan 05.
Article En | MEDLINE | ID: mdl-38183136

BACKGROUND: Ehlers-Danlos syndrome Type IV (aka Vascular Ehlers Danlos, or vEDS) is a dominantly inherited mutation in the Collagen 3A1 gene (COL3A1). The disease is characterized by tissue friability and age-related susceptibility to arterial aneurysm, dissection and rupture as well as uterine and bowl tears. These clinical manifestations result in major surgical intervention and decreased life expectancy. Understanding how mutations in COL3A1 impact the structure and function of the extracellular matrix (ECM) is important to managing the disease and finding treatments. RESULTS: Skin fibroblasts from vEDS subjects heterozygous for the p.G588S pathogenic variant in the COL3A1 gene and a normal individual were cultured and studied. Proteomics analysis identified dozens of upregulated proteins related to extracellular matrix dysregulation that is characteristic of fibrosis. Gene expression libraries from cultured primary fibroblasts were screened for messenger RNA (mRNA) markers of ECM degradation. The proteomics and targeted gene expression array results were largely consistent with dysregulation of the extracellular matrix in vEDS. The data show upregulation of multiple Collagen proteins and genes, other ECM components, and enzymes related to ECM processing and turn-over. vEDS fibroblasts expressed significantly more cross linked C-Telopeptide of Collagen III (CTXIII) than normal fibroblasts, indicative of Collagen III degradation and turn-over. Further, the expression and activity of Lysyl Oxidase (LOX), an enzyme that initiates covalent cross-linking of soluble collagen and elastin into protease resistant fibers, is elevated in vEDS fibroblasts compared to normal fibroblasts. CONCLUSION: Together, these findings suggest dysregulated ECM deposition and processing, reminiscent of a state of fibrosis. Therapeutics that target the dysregulated ECM proteins or help replace damaged tissue may improve clinical outcomes.


Ehlers-Danlos Syndrome , Protein-Lysine 6-Oxidase , Humans , Protein-Lysine 6-Oxidase/genetics , Skin , Extracellular Matrix , Fibrosis , Ehlers-Danlos Syndrome/genetics
6.
Gerontologist ; 64(4)2024 Apr 01.
Article En | MEDLINE | ID: mdl-37549428

BACKGROUND AND OBJECTIVES: Adult day services (ADS) provide quality-of-life benefits to people with dementia, but few provide systematic caregiver support. We report outcomes of a multisite, national trial testing a staff-delivered caregiver program, ADS Plus. RESEARCH DESIGN AND METHODS: Cluster-randomized trial involving 34 ADS: 18 sites provided ADS (controls) and 16 provided ADS and ADS Plus (intervention). Trained staff met with caregivers to provide dementia education, support/validation, referrals/linkages, and strategies for care challenges and self-care over 12 months. Main outcomes included depressive symptoms (Center for Epidemiological Studies Depression Scale [CES-D]) and well-being at 6 and 12 months, and client attendance over 12 months. RESULTS: Of 203 caregivers (Intervention = 102; Control = 101), 5.9% at 3 months, 12.8% at 6 months, and 22.7% at 12 months were lost to follow-up. Caregivers were predominantly female (80.3%), with 76.4% identifying as White/Caucasian, 14.8% Black/African American, and 12.3% Hispanic/Latino. Most (88.2%) had ≥college education and were 65.0 years old (SD = 13.46). For those with 6-month data, 40.4% control and 40.2% ADS Plus caregivers had depressed symptoms (≥16 CES-D) at baseline. By 6 months, 43.6% control versus 34.2% ADS Plus caregivers had ≥16 scores (odds ratio = 0.38, p = .072). By 12 months, after covariate adjustments, ADS Plus caregivers reported reduced total depression scores versus controls (p = .013) and lower depressed affect scores (p = .015). Of 18 sites providing 12-month client attendance data, 9 intervention sites reported 126.05 days attended versus 78.49 days for 9 control sites (p = .079). DISCUSSION AND IMPLICATIONS: Compared with ADS alone, by 12 months, ADS Plus improved caregiver mood and increased ADS utilization by 60.6%. Results support ADS staff delivering evidence-based caregiver support to enhance ADS benefits. CLINICAL TRIAL REGISTRATION: NCT02927821.


Caregivers , Dementia , Aged , Female , Humans , Male , Middle Aged , Caregivers/education , Dementia/therapy , Quality of Life , Self Care
7.
Artif Organs ; 48(4): 386-391, 2024 Apr.
Article En | MEDLINE | ID: mdl-37990598

BACKGROUND: Patients with left ventricular assist devices (LVADs) require systemic anticoagulation. The use of enoxaparin for bridging to warfarin remains understudied in this population. METHODS: This single-center retrospective study was performed to characterize enoxaparin use and associated thrombotic and bleeding outcomes in adult outpatients with LVADs from January 2018 to July 2021. RESULTS: Fifty-four enoxaparin bridging events were evaluated in 49 patients. Most patients with HeartMate II (HM2) and HeartWare (HVAD) devices received enoxaparin dosed 1 mg/kg every 12 h. In patients with HeartMate 3 (HM3) devices, an equal number of patients received 0.5 mg/kg every 12 h and 1 mg/kg every 12 h, with a smaller subset receiving intermediate doses. The median duration of bridging was 6 days (4-8 [IQR]). One major bleeding event required discontinuation of enoxaparin and hospitalization in a patient with an HM3 device. Thrombotic events occurred in four patients with two incidents of pump thrombosis requiring pump exchange and two ischemic strokes. All thrombotic events occurred in patients with HVAD or HM2 devices. CONCLUSION: These results suggest that enoxaparin bridging in LVAD patients was well-tolerated with low bleeding and thrombotic rates, particularly with the HM3 device.


Heart Failure , Heart-Assist Devices , Thrombosis , Adult , Humans , Enoxaparin/adverse effects , Warfarin/adverse effects , Retrospective Studies , Outpatients , Heart-Assist Devices/adverse effects , Heart Failure/surgery , Heart Failure/complications , Hemorrhage/chemically induced , Hemorrhage/prevention & control , Thrombosis/prevention & control , Thrombosis/complications
9.
Front Psychiatry ; 14: 1097022, 2023.
Article En | MEDLINE | ID: mdl-37151977

Introduction: During the COVID-19 pandemic, healthcare workers (HCWs) have been exposed to higher levels of anxiety and psychological stress than the general population. Nurses who cared for COVID patients could not avoid repeated mourning as they witnessed the deaths of their patients. Therefore, tools are needed to evaluate whether there is adequate support for the grieving process of HCWs in both qualitative and quantitative manners. Methods: Data from 229 nurses who witnessed the deaths of COVID-19 inpatients were analyzed using an online survey of nurses working in three tertiary hospitals. Factor analysis was conducted to validate the 10-item Korean version of Grief Support in Healthcare Scale (GSHCS). Stress and Anxiety to Viral Epidemics-9 was used to measure stress and anxiety caused by coronavirus, Generalized Anxiety Disorder-7 was used to measure overall anxiety, and Patient Health Questionnaire-9 was used for depression. Convergent validity correlation analysis was also performed with GSHCS. Results: The two-factor model showed a good fit for the 10-item GSHCS (χ 2 = 35.233, df = 34, p = 0.410, CFI = 0.999, TLI = 0.990, RMSEA = 0.013, SRMR = 0.064). Cronbach's alpha is 0.918 and McDonald's omega is 0.913, suggesting that the 10-item version of the GSHCS is reliable for determining psychometric properties. Conclusion: According to this study, the 10-item Korean version of the GSHCS is a reliable and valid measure of psychological support for grief among frontline nursing professionals who have witnessed the deaths of patients they cared for while working in COVID-19 inpatient wards. A two-factor model of the GSHCS has a good model fit and good convergent validity with other rating scales that measure viral anxiety, depression, and general anxiety.

10.
Aging Health Res ; 3(2): 100144, 2023 Jun.
Article En | MEDLINE | ID: mdl-37152276

Background: Nursing home (NH) social workers face many challenges in meeting the psychosocial needs of residents while balancing their own well-being needs. Methods: This study employed a cross-sectional survey of NH social workers via social media and professional networks about their coping strategies during COVID-19. Open-ended responses were analyzed qualitatively using the rigorous and accelerated data reduction technique (RADaR). Results: The study included a sample of 63 (N = 63) NH social workers. Four themes defined ways the in which NH social workers coped with stress during COVID-19, including relying on friends and family, mindfulness and spirituality/religion, self-care strategies, and setting boundaries at work. Conclusion: These techniques appear to be effective; however there remains a need for institutional programs and policies to provide the time and space to holistically support coping in NH social workers and to prevent burnout and turnover, particularly during times of crisis.

11.
Gerontologist ; 2023 Apr 18.
Article En | MEDLINE | ID: mdl-37071806
12.
Gerontologist ; 63(9): 1497-1509, 2023 10 17.
Article En | MEDLINE | ID: mdl-36744720

BACKGROUND AND OBJECTIVES: This scoping review aims to examine the extent and the manner in which research that utilizes successful, active, productive, and healthy aging framework(s) includes death or dying. RESEARCH DESIGN AND METHODS: An examination of peer-reviewed academic journal articles was conducted following Joanna Briggs Institute's methodological standards for scoping reviews and conforming to Arskey and O'Malley's 5-stage framework. The initial search resulted in 1,759 articles for review, and following the rigorous screening, 35 studies were included for the final review. A qualitative thematic analysis was used to identify how research utilizes the concepts of death and dying in the context of 4 positive aging models. RESULTS: The core themes identified include (a) the absence of death and dying dimensions in positive aging models; (b) older adults' outlooks on death and dying while aging well; (c) religious and spiritual dimensions of aging well; (d) negative consequences of positive aging models without death and dying dimensions; and (e) the future of death and dying in positive aging models. DISCUSSION AND IMPLICATIONS: The review delivers a critique by researchers on the noticeable absence of death and dying processes within the framework of successful, active, productive, and healthy aging models. These findings represent a rich opportunity for future research on these concepts.


Aging , Death , Aged , Humans
13.
Virology ; 576: 117-126, 2022 11.
Article En | MEDLINE | ID: mdl-36228351

Canine distemper virus (CDV) causes a highly contagious systemic infection in an array of animal species. In this study we report an outbreak of distemper in ferrets in two research facilities in Australia, caused by a novel lineage of CDV. While the CDV strain caused mainly mild symptoms in ferrets, histopathology results presented a typical profile of distemper pathology, with multi-system virus replication. Through the development of a discriminatory PCR, paired with full genome sequencing, we revealed that the outbreak was caused by a novel lineage of CDV. The novel CDV lineage was highly divergent, with less than 93% similarity across the H gene to other described lineages, including the vaccine strain, and diverged approximately 140-400 years ago. Enhanced surveillance to determine the prevalence of CDV in ferrets, dogs and other at-risk species is critical to better understand the presence and diversity of CDV in Australia currently.


Distemper Virus, Canine , Distemper , Animals , Dogs , Distemper Virus, Canine/genetics , Distemper/epidemiology , Distemper/prevention & control , Ferrets , Australia/epidemiology
14.
J Cardiovasc Pharmacol ; 80(6): 820-825, 2022 12 01.
Article En | MEDLINE | ID: mdl-35976119

ABSTRACT: Dofetilide is an antiarrhythmic agent and primarily eliminated renally. Initial dosing is determined by creatinine clearance, calculated by total body weight in the Cockcroft-Gault equation. To date, there is no evidence comparing the dosing of dofetilide in obese versus nonobese patients. We conducted a retrospective review of 217 adults admitted for dofetilide loading to evaluate the tolerability of dofetilide in obese versus nonobese patients. The rate of dose adjustments, including dose reductions and discontinuations, was compared between obese versus nonobese patients in unadjusted and adjusted analyses. Electrocardiograms were collected throughout the loading period, and calculation of QT intervals was performed. Obese patients did not have a significantly higher frequency of dose adjustments compared with nonobese patients (51.5% vs. 44.8%, P = 0.33). Using total body weight to determine starting doses was associated with great odds of dose adjustments compared with ideal body weight (OR 3.69, P = 0.002) and adjusted body weight (OR 4.46, P = 0.02). Men required significantly fewer dose adjustments compared with women on multivariate analysis (OR 0.53, P = 0.03). Obesity is not associated with an increase in the rate of dose adjustments. Total body weight should be used with caution to calculate initial doses of dofetilide in women because it may lead to a higher rate of dose adjustments compared with ideal body weight. Additional studies are needed to confirm the optimal method for selecting starting doses of dofetilide in women, particularly those with a body mass index of ≥30.


Drug Tapering , Obesity , Humans , Female , Obesity/diagnosis , Body Weight
15.
Alzheimers Dement (N Y) ; 8(1): e12310, 2022.
Article En | MEDLINE | ID: mdl-35783452

Background: Approximately one third of adults in adult day services (ADS) centers have Alzheimer's disease (AD) and AD-related dementias (ADRD). Understanding of the impact and effectiveness of ADS on persons living with dementia (PLWD) is limited by a lack of patient and caregiver relevant outcomes (PCRO) data. We identified PCROs collected at ADS sites in states that mandate serial data collection and examined the degree to which these data align with established Dementia Care Practice Recommendations (DCPR) and PCROs used in other areas of long-term care. Methods: We conducted an item analysis of regulatory forms used by ADS. Consistent with the methodology used by the Imbedded Pragmatic AD/ADRD Clinical Trials (IMPACT) Collaboratory for PCROs collected in other long-term care settings, we created a matrix informed by DCPR. We matched each item in regulatory forms reflecting a PCRO to one of the seven DCPR domains as well as to the 53 PCROs from other long-term care sectors. Results: Ten states routinely collect outcome data in ADS. Among these, 80% assess cognitive function. All 10 states capture PLWD's ability to complete activities of daily living. Presence and frequency of behavioral symptoms were collected by 80% of states. Very few or, in some cases, none of the 10 states, collected PCROs related to care planning and coordination, education, social support, and/or family caregiver burden and support. Discussion: Lack of standardized collection of PCROs hampers researchers' understanding of ADS. The vast majority of PCROs collected center on participants' physical health; conversely, data on socialization, social support, and caregiver well-being, which are purportedly the most impactful services offered by ADS centers, are rarely collected. ADS would be well served to focus on these outcome domains as the resulting data could paint a more complete picture of the holistic impact of ADS on PLWD and their caregivers.

16.
Gerontologist ; 62(6): e328-e339, 2022 07 15.
Article En | MEDLINE | ID: mdl-33605417

BACKGROUND AND OBJECTIVES: Physical activity (PA) is a powerful protective factor known to reduce risk for chronic conditions across the life span. PA levels are lower among American Indians and Alaska Natives (AIANs) when compared with other racial/ethnic groups and decrease with age. This evidence justifies a synthesis of current intervention research to increase PA levels among AIANs. This systematic review examines completed interventions to increase PA among AIAN older adults and considers recommended practices for research with Indigenous communities. RESEARCH DESIGN AND METHODS: The systematic review was designed in accordance with the Preferred Reporting Items for Systematic Reviews and Meta-Analyses statement for systematic review protocols and reporting guidelines. Three electronic databases, PubMed, Web of Science, and PsycINFO, were searched for academic literature. Trials investigating interventions to increase PA among AIAN adults older than 50 years were eligible. The Quality Assessment Tool for Quantitative Studies was used to evaluate the quality of evidence. RESULTS: Three published trials were identified, including one group-level, clinic-based and two individual-level, home-based interventions. All were 6 weeks in duration, took place in urban areas, and used self-report PA measures. Findings indicated an overall increase in PA levels, improved PA-related outcomes, and improved psychosocial health among participants. None described community-engaged or culture-centered research strategies. DISCUSSION AND IMPLICATIONS: The narrow yet promising evidence represents a need for expanded research and a call to action for using culture-centered strategies. An advanced understanding of cultural and contextual aspects of PA may produce more impactful interventions, supporting health and mobility across the life span.


Aged , Exercise/psychology , Health Promotion/methods , Humans , Protective Factors
17.
J Appl Gerontol ; 41(3): 729-735, 2022 03.
Article En | MEDLINE | ID: mdl-33985380

An understanding of adult day service centers' (ADC) impacts on clients' health and well-being has been hampered by a lack of large-scale data. Standardizing data collection is critical to strengthening ADC programs, demonstrating their effectiveness, and enabling them to leverage additional funding streams beyond Medicaid. We distributed an electronic survey on current data collection efforts to ADCs nationally to determine categories of data ADCs are collecting related to clients' health. In our sample (N = 248), only 32% of ADCs collected patient-level data for research and analysis-most commonly on activities of daily living, cognition, nutrition, and caregiver strain. However, validated assessment tools were used in less than 50% of the cases. ADCs are willing to collect data: More than 70% reported a willingness to participate in future studies. National studies piloting data collection protocols with uniform outcome measures are needed to advance the understanding of ADCs' capabilities and impacts.


Activities of Daily Living , Caregivers , Humans , Medicaid , Outcome Assessment, Health Care , Surveys and Questionnaires , United States
18.
J Gerontol Soc Work ; 65(4): 450-464, 2022.
Article En | MEDLINE | ID: mdl-34511052

Nursing home social workers are on the frontlines during COVID-19 responding to individual resident needs, the needs of staff, and larger health needs of the nursing home. However, it is unclear whether nursing home social workers feel adequately trained and prepared in responding to disasters, such as COVID-19. To explore this, we used a study cross-sectional survey distributed via social media focusing on 1) prior training on disaster preparedness, 2) any content social workers wish had been a part of their education, and 3) suggestions for educators/academics to serve social workers on the frontlines. Data in this study are based on a sample of 63 (N=63) nursing home social workers. Demographic data were analyzed using SPSS and qualitative data were analyzed using the RaDar (rigorous and accelerated data reduction) technique. Findings revealed that most social workers had little to no training in disaster preparedness, and shared areas of future education initiatives. Participants also shared the need for bridging the research to practice gap through open access articles and support from academics. Findings from the present study reveal areas social work programs can expand gerontology-focused course offerings. Additionally, developments promoting practitioner support from academics is worth consideration.


COVID-19 , Disasters , COVID-19/epidemiology , Cross-Sectional Studies , Humans , Nursing Homes , Social Work
19.
J Am Med Dir Assoc ; 22(7): 1333-1337, 2021 07.
Article En | MEDLINE | ID: mdl-34044009

COVID-19 has shone a harsh light on the inequities of health care in the United States, particularly in how we care for older people. We summarize some of the effects of lockdown orders on clients, family caregivers, and staff of adult day service programs throughout the United States, which may serve as a counterpoint to scientific evidence suggesting a lack of efficacy of these programs. Given the ramifications of state lockdown orders for users and staff of the long-term services and support system, we provide recommendations to better support community-based programs and those they serve. Specifically, (1) adult day programs should be classified as essential, (2) a focus on the value of adult day and similar programs is needed, and (3) an exploration of new ways to finance home and community-based services is warranted. Such advances in policy and science would help to integrate adult day services more effectively into the broader health care landscape.


COVID-19 , Adult , Aged , Caregivers , Communicable Disease Control , Humans , Respite Care , SARS-CoV-2 , United States
20.
Sci Immunol ; 6(59)2021 05 07.
Article En | MEDLINE | ID: mdl-33963061

Repair of the intestinal epithelium is tightly regulated to maintain homeostasis. The response after epithelial damage needs to be local and proportional to the insult. How different types of damage are coupled to repair remains incompletely understood. We report that after distinct types of intestinal epithelial damage, IL-1R1 signaling in GREM1+ mesenchymal cells increases production of R-spondin 3 (RSPO3), a Wnt agonist required for intestinal stem cell self-renewal. In parallel, IL-1R1 signaling regulates IL-22 production by innate lymphoid cells and promotes epithelial hyperplasia and regeneration. Although the regulation of both RSPO3 and IL-22 is critical for epithelial recovery from Citrobacter rodentium infection, IL-1R1-dependent RSPO3 production by GREM1+ mesenchymal cells alone is sufficient and required for recovery after dextran sulfate sodium-induced colitis. These data demonstrate how IL-1R1-dependent signaling orchestrates distinct repair programs tailored to the type of injury sustained that are required to restore intestinal epithelial barrier function.


Citrobacter rodentium , Enterobacteriaceae Infections/immunology , Intestinal Mucosa/physiology , Receptors, Interleukin-1 Type I/immunology , Animals , Cells, Cultured , Coculture Techniques , Colitis/chemically induced , Colitis/immunology , Colitis/pathology , Colon/drug effects , Colon/immunology , Colon/pathology , Dextran Sulfate , Epithelial Cells , Fibroblasts , Interleukins/immunology , Intestinal Mucosa/immunology , Intestinal Mucosa/pathology , Mice, Transgenic , Organoids , Receptors, Interleukin-1 Type I/genetics , Regeneration , Signal Transduction , Thrombospondins/immunology , Interleukin-22
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