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1.
Psychopathology ; 57(3): 192-201, 2024.
Artículo en Inglés | MEDLINE | ID: mdl-38286127

RESUMEN

INTRODUCTION: Pediatric obsessive-compulsive disorder (OCD), attention-deficit hyperactivity disorder (ADHD), and Tourette syndrome (TS) are often concurrent. This study explores the temperament profile of complex OCD phenotypes. METHODS: A clinical registry recorded demographic data, psychiatric diagnoses, and temperament traits, including novelty seeking (exploratory behaviors), harm avoidance (fear of uncertainty), reward dependence (sentimentality), and persistence (perseverance). Temperament data were accrued from the Junior Temperament and Character Inventory (JTCI). Participants were divided into (1) OCD only; (2) OCD+ADHD or TS; and (3) OCD+ADHD+TS to compare temperament. RESULTS: Participants include 126 youths with OCD (61.9% male, 88.9% white) between the ages 6 and 18 years (12.7 ± 3.1). Among the three groups, the complex neurodevelopmental disorder group OCD+ADHD+TS expresses the highest novelty seeking and lowest persistence. Harm avoidance is increased in all groups compared to reference controls, irrespective of concurrent ADHD or TS. For the OCD+ADHD+TS group, contamination and washing symptoms have higher novelty seeking (p < 0.01), while counting and ordering have lower novelty seeking (p < 0.05). Harm avoidance is increased with aggressive, somatic, and checking symptoms in OCD only (p < 0.01), while persistence is increased with repeating and counting symptoms in the comorbid groups (OCD+ADHD or TS, OCD+ADHD+TS). DISCUSSION/CONCLUSION: The complex subtype, OCD+ADHD+TS, is associated with high novelty seeking and low persistence, while high harm avoidance is linked to pediatric OCD irrespective of ADHD or TS co-occurrence. In sum, pediatric OCD with ADHD and TS confers a unique temperament profile, further refining complex phenotypes of pediatric OCD for future research.


Asunto(s)
Trastorno por Déficit de Atención con Hiperactividad , Trastorno Obsesivo Compulsivo , Temperamento , Síndrome de Tourette , Humanos , Síndrome de Tourette/psicología , Trastorno por Déficit de Atención con Hiperactividad/psicología , Trastorno Obsesivo Compulsivo/epidemiología , Trastorno Obsesivo Compulsivo/psicología , Masculino , Niño , Adolescente , Femenino , Comorbilidad , Conducta Exploratoria
2.
Behav Med ; 50(2): 164-169, 2024.
Artículo en Inglés | MEDLINE | ID: mdl-36789848

RESUMEN

The diet quality of US adults is poor and cross-sectional analyses suggest self-perception of healthful dietary intake may be overestimated. This analysis assessed the concordance between calculated and perceived diet quality and changes in diet quality among adults seeking weight loss and enrolled in a 12-month randomized behavioral trial. Healthy Eating Index-2015 diet quality (HEI) was calculated from self-administered 24-hour recalls. Perceived diet quality (PDQ) was measured on a 100-point scale. Higher scores indicate better diet quality. Concordance was assessed using the concordance correlation coefficient and Bland-Altman plots. The one hundred and five participants with complete dietary data were mostly female and white. There was good agreement between HEI and PDQ scores at 12 months for less than a third of participants. Most of the disagreement arose from PDQ scores being higher than HEI scores. Even fewer participants had good agreement between HEI changes and PDQ changes. Participants perceived greater improvement in diet quality than indicated by HEI score changes. Concordance was low at 12 months and for change in diet quality. Despite the diet quality of adults seeking weight loss being suboptimal and not improving, many perceived their diet quality and diet quality improvements as better than calculated. Future studies might explore the effect of misperceptions on weight loss outcomes.


Asunto(s)
Dieta , Mejoramiento de la Calidad , Adulto , Femenino , Humanos , Masculino , Estudios Transversales , Ingestión de Alimentos , Pérdida de Peso
3.
Nutr Health ; 30(3): 403-407, 2024 Sep.
Artículo en Inglés | MEDLINE | ID: mdl-39051624

RESUMEN

BACKGROUND: Nutrition security encompasses stable and equitable access, availability, affordability, and utilization of healthy foods. AIM: To evaluate the relationship of two newly created dichotomous measures that represent aspects of nutrition security (i.e., perceived limited availability and healthfulness choice) with Supplemental Nutrition Assistance Program (SNAP) participation. METHODS: Logistic regression models were run for each outcome separately with adjustment for age, income-to-poverty ratio, gender, education, race, and food security. RESULTS: Adults using social services (e.g., food pantries) were enrolled (N = 402) in this cross-sectional analysis. SNAP participants (61.7%) were not different from non-SNAP participants in perceiving limited availability (aOR [95% CI]: 1.21 [0.75, 1.95]) or limited ability to choose (aOR [95% CI]: 0.69 [0.43, 1.12]) healthy foods. CONCLUSIONS: Both SNAP and non-SNAP participants with low socioeconomic status report limited availability of healthy foods in their environment and a limited ability to choose healthy foods.


Asunto(s)
Conducta de Elección , Dieta Saludable , Asistencia Alimentaria , Abastecimiento de Alimentos , Humanos , Asistencia Alimentaria/estadística & datos numéricos , Femenino , Masculino , Estudios Transversales , Adulto , Persona de Mediana Edad , Dieta Saludable/estadística & datos numéricos , Abastecimiento de Alimentos/estadística & datos numéricos , Pobreza , Factores Socioeconómicos , Preferencias Alimentarias , Modelos Logísticos , Seguridad Alimentaria/estadística & datos numéricos , Adulto Joven
4.
Curr Atheroscler Rep ; 25(5): 219-230, 2023 05.
Artículo en Inglés | MEDLINE | ID: mdl-36995553

RESUMEN

PURPOSE OF REVIEW: The importance of addressing nutrition security for the primary and secondary prevention of cardiovascular disease (CVD) in the USA is reviewed by describing the relationships between food security, diet quality, and CVD risk along with the ability of governmental, community, and healthcare policies and interventions to address nutrition security. RECENT FINDINGS: Existing safety net programs have shown to be effective at improving food security and diet quality and reducing risk for CVD, but continued efforts to increase reach and improve standards are needed. Adoption of policies, healthcare initiatives, and community- and individual-level interventions addressing the nutritional intake of socioeconomically disadvantaged populations may also lessen CVD burden, but scaling interventions remains a key challenge. Research suggests simultaneously addressing food security and diet quality is feasible and could help reduce socioeconomic disparities in CVD morbidity and mortality. Intervening at multiple levels among high-risk groups should be a priority.


Asunto(s)
Enfermedades Cardiovasculares , Dieta , Humanos , Estados Unidos/epidemiología , Enfermedades Cardiovasculares/epidemiología , Enfermedades Cardiovasculares/prevención & control , Prevención Secundaria
5.
Br J Nutr ; 130(11): 2013-2021, 2023 12 14.
Artículo en Inglés | MEDLINE | ID: mdl-38713063

RESUMEN

In the few weight loss studies assessing diet quality, improvements have been minimal and recommended calculation methods have not been used. This secondary analysis of a parallel group randomised trial (regsitered: https://clinicaltrials.gov/ct2/show/NCT03367936) assessed whether self-monitoring with feedback (SM + FB) v. self-monitoring alone (SM) improved diet quality. Adults with overweight/obesity (randomised: SM n 251, SM + FB n 251; analysed SM n 170, SM + FB n 186) self-monitored diet, physical activity and weight. Real-time, personalised feedback, delivered via a study-specific app up to three times daily, was based on reported energy, fat and added sugar intake. Healthy Eating Index 2015 (HEI-2015) scores were calculated from 24-hour recalls. Higher scores represent better diet quality. Data were collected August 2018 to March 2021 and analysed spring 2022. The sample was mostly female (78·9 %) and white (85·4 %). At baseline, HEI-2015 total scores and bootstrapped 95 % CI were similar by treatment group (SM + FB: 63·11 (60·41, 65·24); SM: 61·02 (58·72, 62·81)) with similar minimal improvement observed at 6 months (SM + FB: 65·42 (63·30, 67·20); SM: 63·19 (61·22, 64·97)) and 12 months (SM + FB: 63·94 (61·40, 66·29); SM: 63·56 (60·81, 65·42)). Among those who lost ≥ 5 % of baseline weight, HEI-2015 scores improved (baseline: 62·00 (58·94, 64·12); 6 months: 68·02 (65·41, 71·23); 12 months: 65·93 (63·40, 68·61)). There was no effect of the intervention on diet quality change. Clinically meaningful weight loss was related to diet quality improvement. Feedback may need to incorporate more targeted nutritional content.


Asunto(s)
Dieta Saludable , Obesidad , Sobrepeso , Pérdida de Peso , Humanos , Femenino , Masculino , Dieta Saludable/métodos , Persona de Mediana Edad , Adulto , Obesidad/dietoterapia , Obesidad/terapia , Sobrepeso/dietoterapia , Sobrepeso/terapia , Telemedicina/métodos , Ejercicio Físico , Programas de Reducción de Peso/métodos
6.
Int J Behav Med ; 30(4): 486-496, 2023 Aug.
Artículo en Inglés | MEDLINE | ID: mdl-35794410

RESUMEN

BACKGROUND: Socio-environmental factors may affect uptake and utility of behavioral interventions targeting weight loss and cardiometabolic health. To evaluate the relation of neighborhood walkability to physical activity (PA) and glucose control in a sample of adults with overweight/obesity participating in a weight loss study. METHODS: Secondary analysis of a 12-month behavioral weight loss intervention (2011-2015) using one-group pretest-posttest design. Neighborhood walkability was assessed via residential Walk Score (0-100) at study entry. Fasting plasma glucose (FPG) via phlebotomy and PA via waist-worn ActiGraph GT3X were assessed at baseline and end of study. Study variables included neighborhood walkability (car-dependent: Walk Score < 50 vs. walkable: Walk Score ≥ 50), prediabetes (FPG 100-125 mg/dL), and recommended PA (moderate to vigorous PA [MVPA] > 22 min/day). Generalized linear model with logit link results were reported as adjusted odds ratios (AOR) with 95% confidence intervals (CI). RESULTS: The sample (N = 114) was mostly female (88.6%), white (83.3%), college educated (73.7%), and on average 51.4 ± 1.0 years of age. At baseline, persons residing in car-dependent neighborhoods tended to have higher income than those in walkable neighborhoods. Neighborhood walkability interacted with household income at study entry to predict participants' ability to meet the MVPA goal at 12 months (AOR = 13.52, 95% CI: 1.86-119.20). Those from walkable neighborhoods had 67% lower odds of having prediabetes compared to those from car-dependent neighborhoods (AOR = 0.33, 95% CI: 0.10-0.87) at 12 months. CONCLUSION: Our findings corroborate previous research characterizing the relationship between neighborhood walkability, PA, and prediabetes status. Key drivers of this impact warrant further investigation in a study with a larger, more diverse sample.


Asunto(s)
Estado Prediabético , Adulto , Humanos , Femenino , Masculino , Estado Prediabético/terapia , Planificación Ambiental , Ejercicio Físico , Caminata , Pérdida de Peso , Características de la Residencia
7.
Behav Med ; : 1-10, 2023 Jul 25.
Artículo en Inglés | MEDLINE | ID: mdl-37489802

RESUMEN

Adding feedback messages (FB) to self-monitoring (SM) may reinforce behavior change. However, socio-environmental conditions (e.g., limited access to parks or low walkability) may limit one's ability to respond to FB focused on physical activity (PA). In this analysis, we hypothesized that high neighborhood walkability will positively modify the treatment effect of FB on PA, and residents of high walkability neighborhoods will achieve higher PA levels at 12 months than those in low walkability neighborhoods. The study is a secondary analysis of a 12-month behavioral weight-loss trial. Adults with overweight/obesity were randomized to SM + FB (n = 251) or SM alone (n = 251). SM + FB group received smartphone pop-up messages thrice/week tailored to their PA SM data. The assessment included neighborhood walkability via Walk Score (low [<50] vs. high [≥50]), moderate to vigorous PA (MVPA) and step count via Fitbit Charge 2™, and weight via smart scale. We report adjusted linear regression coefficients (b) with standard errors (SE). The analysis included participants who were primarily white, female, and with obesity. In adjusted models, neighborhood walkability did not moderate the effect of treatment assignment on log-transformed (ln) MVPA or steps count over 12 months. The SM + FB group had greater lnMVPA than the SM group, but lnMVPA and steps were similar between walkability groups. There were no significant interactions for group and time or group, time, and walkability. These findings suggest that adding FB to SM had a small but significant positive impact on PA over 12 months, but neighborhood walkability did not moderate the treatment effect of FB on PA.

8.
Curr Oncol Rep ; 24(4): 517-532, 2022 04.
Artículo en Inglés | MEDLINE | ID: mdl-35182293

RESUMEN

PURPOSE OF REVIEW: Management of head and neck cancer (HNC) typically involves a morbid combination of surgery, radiation, and systemic therapy. As the number of HNC survivors grows, there is growing interest in rehabilitation strategies to manage HNC-related comorbidity. In this review, we summarize the current state of HNC rehabilitation research. RECENT FINDINGS: We have organized our review using the World Health Organization's International Classification of Function (ICF) model of impairment, activity, and participation. Specifically, we describe the current research on rehabilitation strategies to prevent and treat impairments including dysphagia, xerostomia, dysgeusia, dysosmia, odynophagia, trismus, first bite syndrome, dysarthria, dysphonia, lymphedema, shoulder syndrome, cervicalgia, cervical dystonia and dropped head syndrome, deconditioning, and fatigue. We also discuss the broader impact of HNC-related impairment by exploring the state of rehabilitation literature on activity, participation, psychosocial distress, and suicidality in HNC survivors. We demonstrate that research in HNC rehabilitation continues to focus primarily on impairment-driven interventions. There remains a dearth of HNC rehabilitation studies directly examining the impact of rehabilitation interventions on outcomes related to activity and participation. More high-quality interventional studies and reviews are needed to guide prevention and treatment of functional loss in HNC survivors.


Asunto(s)
Neoplasias de Cabeza y Cuello , Investigación en Rehabilitación , Fatiga , Humanos , Calidad de Vida/psicología , Sobrevivientes
9.
J Med Internet Res ; 24(7): e38243, 2022 07 05.
Artículo en Inglés | MEDLINE | ID: mdl-35787516

RESUMEN

BACKGROUND: Self-monitoring (SM) is the centerpiece of behavioral weight loss treatment, but the efficacy of smartphone-delivered SM feedback (FB) has not been tested in large, long-term, randomized trials. OBJECTIVE: The aim of this study was to establish the efficacy of providing remote FB to diet, physical activity (PA), and weight SM on improving weight loss outcomes when comparing the SM plus FB (SM+FB) condition to the SM-only condition in a 12-month randomized controlled trial. The study was a single-site, population-based trial that took place in southwestern Pennsylvania, USA, conducted between 2018 and 2021. Participants were smartphone users age ≥18 years, able to engage in moderate PA, with a mean BMI between 27 and 43 kg/m2. METHODS: All participants received a 90-minute, one-to-one, in-person behavioral weight loss counseling session addressing behavioral strategies, establishing participants' dietary and PA goals, and instructing on use of the PA tracker (Fitbit Charge 2), smart scale, and diet SM app. Only SM+FB participants had access to an investigator-developed smartphone app that read SM data, in which an algorithm selected tailored messages sent to the smartphone up to 3 times daily. The SM-only participants did not receive any tailored FB based on SM data. The primary outcome was percent weight change from baseline to 12 months. Secondary outcomes included engagement with digital tools (eg, monthly percentage of FB messages opened and monthly percentage of days adherent to the calorie goal). RESULTS: Participants (N=502) were on average 45.0 (SD 14.4) years old with a mean BMI of 33.7 (SD 4.0) kg/m2. The sample was 79.5% female (n=399/502) and 82.5% White (n=414/502). At 12 months, retention was 78.5% (n=394/502) and similar by group (SM+FB: 202/251, 80.5%; SM: 192/251, 76.5%; P=.28). There was significant percent weight loss from baseline in both groups (SM+FB: -2.12%, 95% CI -3.04% to -1.21%, P<.001; SM: -2.39%, 95% CI -3.32% to -1.47%; P<.001), but no difference between the groups (-0.27%; 95% CI -1.57% to 1.03%; t =-0.41; P=.68). Similarly, 26.3% (66/251) of the SM+FB group and 29.1% (73/251) of the SM group achieved ≥5% weight loss (chi-square value=0.49; P=.49). A 1% increase in FB messages opened was associated with a 0.10 greater percent weight loss at 12 months (b=-0.10; 95% CI -0.13 to -0.07; t =-5.90; P<.001). A 1% increase in FB messages opened was associated with 0.12 greater percentage of days adherent to the calorie goal per month (b=0.12; 95% CI 0.07-0.17; F=22.19; P<.001). CONCLUSIONS: There were no significant between-group differences in weight loss; however, the findings suggested that the use of commercially available digital SM tools with or without FB resulted in a clinically significant weight loss in over 25% of participants. Future studies need to test additional strategies that will promote greater engagement with digital tools. TRIAL REGISTRATION: Clinicaltrials.gov NCT03367936; https://clinicaltrials.gov/ct2/show/NCT03367936.


Asunto(s)
Teléfono Inteligente , Pérdida de Peso , Adolescente , Ingestión de Energía , Retroalimentación , Femenino , Humanos , Estilo de Vida , Masculino
10.
Int J Behav Med ; 28(5): 575-582, 2021 Oct.
Artículo en Inglés | MEDLINE | ID: mdl-33438163

RESUMEN

BACKGROUND: Social cognitive theory posits that observing similar others succeed (i.e., vicarious experience) can improve self-efficacy. However, there are very limited data on the utility of vicarious experience in promoting physical activity (PA). This analysis examined the association between vicarious experience and leisure-time PA (LTPA) in the Multi-Ethnic Study of Atherosclerosis (MESA). METHODS: Cross-sectional analysis of MESA participants who completed exam 5. LTPA and neighborhood factors were self-reported. Neighborhood factors were converted into aesthetic, walking, and safety scores. Group comparative analyses evaluated differences in variables of interest. The relationship between vicarious experience and recommended LTPA (≥ 7.5 MET-h/week) was assessed via logistic regression. Adjusted odds ratios (ORs) with 95% confidence intervals (CIs) are reported. RESULTS: Participants (N = 4579) were older (69.7 ± 9.4 years), 53% female, 41% Caucasian, 26% Black, 21% Hispanic, and 12% Chinese. Those who reported vicarious experience had 45% (95% CI 1.16-1.81) greater odds of attaining recommended LTPA. Unfavorable walking score was associated with lower odds of attaining recommended LTPA (OR = 0.89, 95% CI 0.79-1.00). The aesthetic and safety scales were not associated with LTPA (OR = 1.00 [95% CI 0.89-1.13] and OR = 0.91 [95% CI 0.82-1.10], respectively). CONCLUSIONS: Programs exposing community-dwelling adults to peers engaging in PA could provide an effective public health approach to increase community-level PA participation.

12.
Epilepsy Behav ; 90: 172-177, 2019 01.
Artículo en Inglés | MEDLINE | ID: mdl-30580068

RESUMEN

OBJECTIVE: The objective of this study was to quantify the features of stereotypy in epileptic seizures and compare it with that of stereotypy in psychogenic nonepileptic seizure-like events (PNES) confirmed by video-electroencephalography (VEEG) monitoring. METHODS: Video-electroencephalography monitoring records of 20 patients with temporal lobe seizures (TLS) and 20 with PNES were retrospectively reviewed (n = 138 seizures, 48 TLS and 90 PNES). We analyzed the semiology of 59 behaviors of interest for their presence, duration, sequence, and continuity using quantified measures that were entered into statistical analysis. RESULTS: We identified discontinuity as the parameter that was clearly distinct between PNES and epileptic TLS events: there were significantly more frequent pauses of behavior (i.e., "on-off" pattern) in PNES compared with TLS (P = 0.012). The frequency of pauses during an event was diagnostic of PNES events. For instance, the presence of 2 "pauses" during an episode determines a 69% probability of the seizure being nonepileptic. Moreover, PNES events had significantly greater duration (143 s) than TLS events (68 s) (excluding outliers, P = 0.002) and greater duration variability from one event to another in the same subject (P = 0.005). SIGNIFICANCE: Our work provides the first quantified measure of behavioral semiology during epileptic and nonepileptic seizures and offers novel behavioral measures to differentiate them from each other.


Asunto(s)
Electroencefalografía/métodos , Convulsiones/diagnóstico , Convulsiones/fisiopatología , Trastornos Somatomorfos/diagnóstico , Trastornos Somatomorfos/fisiopatología , Conducta Estereotipada , Adulto , Diagnóstico Diferencial , Femenino , Humanos , Masculino , Persona de Mediana Edad , Estudios Retrospectivos , Convulsiones/psicología , Conducta Estereotipada/fisiología , Grabación en Video/métodos
13.
J Org Chem ; 83(16): 9442-9448, 2018 08 17.
Artículo en Inglés | MEDLINE | ID: mdl-29932672

RESUMEN

Highly effective hydroboration precatalyst is developed based on a cobalt(II)-terpyridine coordination polymer (CP). The hydroboration of ketones, aldehydes, and imines with pinacolborane (HBpin) has been achieved using the recyclable CP catalyst in the presence of an air-stable activator. A wide range of substrates containing polar C═O or C═N bonds have been hydroborated selectively in excellent yields under ambient conditions.

14.
J Cell Physiol ; 232(1): 182-91, 2017 01.
Artículo en Inglés | MEDLINE | ID: mdl-27064596

RESUMEN

DICER is the central enzyme that cleaves precursor microRNAs (miRNAs) into 21-25 nucleotide duplex in cell lineage differentiation, identity, and survival. In the current study, we characterized the specific bone metabolism genes and corresponding miRNAs and found that DICER and Runt-related transcription factor 2 (Runx2) expressions increased simultaneously during osteogenic differentiation. Luciferase assay showed that Runx2 significantly increased the expression levels of DICER luciferase promoter reporter. Our analysis also revealed weaker DICER expression in embryos of Runx2 knock out mice (Runx2 -/-) compared with that of Runx2 +/- and Runx2 +/+ mice. We further established the calvarial bone critical-size defect (CSD) mouse model. The bone marrow stromal cells (BMSCs) transfected with siRNA targeting DICER were combined with silk scaffolds and transplanted into calvarial bone CSDs. Five weeks post-surgery, micro-CT analysis revealed impaired bone formation, and repairing in calvarial defects with the siRNA targeting DICER group. In conclusion, our results suggest that DICER is specifically regulated by osteogenic master gene Runx2 that binds to the DICER promoter. Consequently, DICER cleaves precursors of miR-335-5p and miR-17-92 cluster to form mature miRNAs, which target and decrease the Dickkopf-related protein 1 (DKK1), and proapoptotic factor BIM levels, respectively, leading to an enhanced Wnt/ß-catenin signaling pathway. These intriguing results reveal a central mechanism underlying lineage-specific regulation by a Runx2/DICER/miRNAs cascade during osteogenic differentiation and bone development. Our study, also suggests a potential application of modulating DICER expression for bone tissue repair and regeneration. J. Cell. Physiol. 232: 182-191, 2017. © 2016 Wiley Periodicals, Inc.


Asunto(s)
Diferenciación Celular/genética , Subunidad alfa 1 del Factor de Unión al Sitio Principal/metabolismo , ARN Helicasas DEAD-box/metabolismo , Células Madre Mesenquimatosas/metabolismo , Osteogénesis/genética , Ribonucleasa III/metabolismo , Animales , Línea Celular , Subunidad alfa 1 del Factor de Unión al Sitio Principal/deficiencia , ARN Helicasas DEAD-box/genética , Ratones , Ratones Noqueados , MicroARNs/genética , Osteoblastos/metabolismo , ARN Mensajero/metabolismo , ARN Interferente Pequeño/metabolismo , Ribonucleasa III/genética
15.
Stem Cells ; 33(1): 240-52, 2015 Jan.
Artículo en Inglés | MEDLINE | ID: mdl-25187480

RESUMEN

Adiponectin (APN) is an adipocyte-secreted adipokine that exerts well-characterized antidiabetic properties. Patients with type 2 diabetes (T2D) are characterized by reduced APN levels in circulation and impaired stem cell and progenitor cell mobilization from the bone marrow for tissue repair and remodeling. In this study, we found that APN regulates the mobilization and recruitment of bone marrow-derived mesenchymal stem cells (BMSCs) to participate in tissue repair and regeneration. APN facilitated BMSCs migrating from the bone marrow into the circulation to regenerate bone by regulating stromal cell-derived factor (SDF)-1 in a mouse bone defect model. More importantly, we found that systemic APN infusion ameliorated diabetic mobilopathy of BMSCs, lowered glucose concentration, and promoted bone regeneration in diet-induced obesity mice. In vitro studies allowed us to identify Smad1/5/8 as a novel signaling mediator of APN receptor (AdipoR)-1 in BMSCs and osteoblasts. APN stimulation of MC3T3-E1 osteoblastic cells led to Smad1/5/8 phosphorylation and nuclear localization and increased SDF-1 mRNA expression. Although APN-mediated phosphorylation of Smad1/5/8 occurred independently from adaptor protein, phosphotyrosine interaction, pleckstrin homology domain, and leucine zipper containing 1, it correlated with the disassembly of protein kinase casein kinase 2 and AdipoR1 in immunoprecipitation experiments. Taken together, this study identified APN as a regulator of BMSCs migration in response to bone injury. Therefore, our findings suggest APN signaling could be a potential therapeutic target to improve bone regeneration and homeostasis, especially in obese and T2D patients.


Asunto(s)
Adiponectina/metabolismo , Enfermedades Óseas/terapia , Células de la Médula Ósea/citología , Diabetes Mellitus Tipo 2/terapia , Células Madre Mesenquimatosas/citología , Nicho de Células Madre/fisiología , Células 3T3 , Animales , Enfermedades Óseas/metabolismo , Enfermedades Óseas/patología , Células de la Médula Ósea/metabolismo , Proliferación Celular/fisiología , Quimiocina CXCL12/metabolismo , Diabetes Mellitus Tipo 2/metabolismo , Diabetes Mellitus Tipo 2/patología , Humanos , Masculino , Células Madre Mesenquimatosas/metabolismo , Ratones , Ratones Endogámicos C57BL , Ratones Transgénicos , Receptores CXCR4/metabolismo , Transducción de Señal , Transfección
16.
Am J Physiol Endocrinol Metab ; 306(12): E1418-30, 2014 Jun 15.
Artículo en Inglés | MEDLINE | ID: mdl-24780611

RESUMEN

Adiponectin (APN), the most abundant adipocyte-secreted adipokine, regulates energy homeostasis and exerts well-characterized insulin-sensitizing properties. The peripheral or central effects of APN regulating bone metabolism are beginning to be explored but are still not clearly understood. In the present study, we found that APN-knockout (APN-KO) mice fed a normal diet exhibited decreased trabecular structure and mineralization and increased bone marrow adiposity compared with wild-type (WT) mice. APN intracerebroventricular infusions decreased uncoupling protein 1 (UCP1) expression in brown adipose tissue, epinephrine and norepinephrine serum levels, and osteoclast numbers, whereas osteoblast osteogenic marker expression and trabecular bone mass increased in APN-KO and WT mice. In addition, centrally administered APN increased hypothalamic tryptophan hydroxylase 2 (TPH2), cocaine- and amphetamine-regulated transcript (CART), and 5-hydroxytryptamine (serotonin) receptor 2C (Htr2C) expressions but decreased hypothalamic cannabinoid receptor-1 expression. Treatment of immortalized mouse neurons with APN demonstrated that APN-mediated effects on TPH2, CART, and Htr2C expression levels were abolished by downregulating adaptor protein containing pleckstrin homology domain, phosphotyrosine domain, and leucine zipper motif (APPL)-1 expression. Pharmacological increase in sympathetic activity stimulated adipogenic differentiation of bone marrow stromal cells (BMSC) and reversed APN-induced expression of the lysine-specific demethylases involved in regulating their commitment to the osteoblastic lineage. In conclusion, we found that APN regulates bone metabolism via central and peripheral mechanisms to decrease sympathetic tone, inhibit osteoclastic differentiation, and promote osteoblastic commitment of BMSC.


Asunto(s)
Adiponectina/farmacología , Conservadores de la Densidad Ósea/farmacología , Médula Ósea/efectos de los fármacos , Huesos/efectos de los fármacos , Osteogénesis/efectos de los fármacos , Fragmentos de Péptidos/farmacología , Proteínas Recombinantes/farmacología , Adiponectina/antagonistas & inhibidores , Adiponectina/química , Adiponectina/genética , Adiposidad/efectos de los fármacos , Animales , Conservadores de la Densidad Ósea/administración & dosificación , Conservadores de la Densidad Ósea/antagonistas & inhibidores , Conservadores de la Densidad Ósea/química , Médula Ósea/metabolismo , Huesos/diagnóstico por imagen , Huesos/metabolismo , Línea Celular , Regulación de la Expresión Génica/efectos de los fármacos , Silenciador del Gen , Humanos , Hipotálamo/citología , Hipotálamo/efectos de los fármacos , Hipotálamo/metabolismo , Infusiones Intraventriculares , Masculino , Ratones , Ratones Endogámicos C57BL , Ratones Noqueados , Neuronas/citología , Neuronas/efectos de los fármacos , Neuronas/metabolismo , Fragmentos de Péptidos/antagonistas & inhibidores , Fragmentos de Péptidos/química , Fragmentos de Péptidos/genética , Conformación Proteica , Radiografía , Distribución Aleatoria , Proteínas Recombinantes/administración & dosificación , Proteínas Recombinantes/química
17.
Biofabrication ; 2024 Oct 04.
Artículo en Inglés | MEDLINE | ID: mdl-39366411

RESUMEN

A significant limitation of the "one size fits all" medication approach is the lack of consideration for special population groups. 3D printing technology has revolutionised the landscape of pharmaceuticals and pharmacy practice, playing an integral role in enabling on-demand production of customised medication. Compared to traditional pharmaceutical processes, 3D printing has major advantages in producing tailored dosage forms with unique drug release mechanisms. Moreover, this technology has enabled the combination of multiple drugs in a single formulation addressing key issues of medication burden. Development of 3D printing in clinical applications and large-scale pharmaceutical manufacturing has substantially increased in recent years. This review focuses on the emergence of extrusion-based 3D printing, particularly semi solid extrusion, fused deposition modelling and direct powder extrusion, which are currently the most commonly studied in pharmacy practice. The concept of each technique is summarised, with examples of current and potential applications. Next, recent advancements in the 3D printer market and pharmacist perceptions are discussed. Finally, the benefits, challenges and prospects of pharmacy 3D printing technology are highlighted, emphasising its significance in changing the future of this field.

18.
medRxiv ; 2024 Aug 28.
Artículo en Inglés | MEDLINE | ID: mdl-39252924

RESUMEN

Background Nearly all US adults exceed sodium recommendations, which increases cardiovascular risk. Understanding racial and ethnic differences in sodium sources and behaviors could lead to nuanced public health messaging, dietary interventions, and clinical guidance to more equitably achieve population-level sodium reduction. Methods Using National Health and Nutrition Examination Survey 2017-2020 pre-pandemic data, racial and ethnic differences in sodium sources and sodium-related behaviors (e.g., salt use at the table and in food preparation, doctor advice to reduce sodium, attempts to reduce sodium, and label reading) were assessed using weighted chi-square. Given the nutrient database?s assumption that rice is salted may be inappropriate for some ethnic groups, we conducted a secondary analysis altering this assumption. Results Pizza, soup, and chicken were top sources of sodium across racial and ethnic groups. For Asian Americans, 4 top sources were unique (e.g., soy-based condiments). Black adults reported the highest rates of reducing sodium (67% vs. 44% among White adults) and receiving physician sodium reduction advice (35% vs.18% among Asian Americans). Asian Americans were the most likely to frequently use salt during food preparation (66% vs. Other Race adults 32%) but reported not using salt at the table (43% vs. 23% among Other Race adults). Assuming rice is unsalted reduces Asian American sodium intake estimates by ~325 mg/day. Conclusions While product reformulation targets and front-of-pack nutrition labeling may help reduce sodium intake across groups, to equitably address sodium intake, culturally appropriate advice on sources of sodium and salt usage may be needed, particularly for Asian Americans.

19.
J Prim Care Community Health ; 15: 21501319241285855, 2024.
Artículo en Inglés | MEDLINE | ID: mdl-39374104

RESUMEN

INTRODUCTION/OBJECTIVES: Adults with food insecurity (FI) face barriers to hypertension management, including difficulty adhering to diet recommendations. Few community health worker (CHW) interventions focus on diet to improve blood pressure. This qualitative study elicited patient and CHW perspectives on healthy eating and a future CHW nutrition intervention for patients with hypertension. METHODS: Twenty-five patients with hypertension and FI and 5 CHWs participating in a hypertension health coaching program from 5 Boston-area health centers participated in semi-structured interviews from July to September 2023. Interviews were audio recorded, transcribed, and analyzed using the Framework Method. RESULTS: Themes included: 1) Variable patient knowledge about dietary patterns for hypertension management and low confidence in interpreting nutrition labels; 2) Culture influenced healthy food perception; and 3) Barriers to healthy eating included cost, limited cooking abilities/supplies, and competing demands. Patients and CHWs favored simple nutrition education materials (e.g., traffic light nutrition ranking, healthy meals on a budget). Patients had mixed opinions about CHW-accompanied supermarket visits. CONCLUSIONS: This study identified culture, knowledge gaps, and budget constraints as factors influencing diet among patients with hypertension and FI. A CHW-delivered intervention could include simplified nutrition education, strategies for healthy eating on a budget, and linkage to community-based food programs.


Asunto(s)
Agentes Comunitarios de Salud , Hipertensión , Pobreza , Investigación Cualitativa , Humanos , Hipertensión/dietoterapia , Hipertensión/terapia , Femenino , Masculino , Persona de Mediana Edad , Adulto , Boston , Inseguridad Alimentaria , Dieta Saludable , Conocimientos, Actitudes y Práctica en Salud , Anciano , Entrevistas como Asunto
20.
Am J Phys Med Rehabil ; 103(8): 710-715, 2024 08 01.
Artículo en Inglés | MEDLINE | ID: mdl-38207179

RESUMEN

INTRODUCTION: Physical rehabilitation is increasingly incorporated throughout the allogeneic hematopoietic stem cell transplant journey for older adults. OBJECTIVE: This study aimed to describe physical medicine and rehabilitation-related diagnoses, exercise barriers, and management recommendations for older adults before allogeneic hematopoietic stem cell transplant. DESIGN: Fifty physical medicine and rehabilitation consults as part of the Enhanced Recovery-Stem Cell Transplant multidisciplinary prehabilitation program at a comprehensive cancer center were retrospectively reviewed. RESULTS: Many physical medicine and rehabilitation-related diagnoses (173), exercise barriers (55), and management recommendations (112) were found. Common diagnoses were musculoskeletal dysfunction (more commonly back, shoulder, then knee) ( n = 39, 23%) and fatigue ( n = 36, 21%). Common exercise barriers were also musculoskeletal dysfunction (more commonly back, knee, then shoulder) (total n = 20, 36%) and fatigue ( n = 20, 36%). Most patients ( n = 32, 64%) had one or more exercise barriers. Common physical medicine and rehabilitation management recommendations were personalized exercise counseling ( n = 37, 33%), personalized nutrition management ( n = 19, 17%), body composition recommendations ( n = 17, 15%), medications ( n = 15, 13%), and orthotics and durable medical equipment ( n = 8, 7%). CONCLUSIONS: Routine physical medicine and rehabilitation referral of older allogeneic hematopoietic stem cell transplant patients for prehabilitation resulted in the identification of many rehabilitative needs and substantial additional management recommendations. Increased early, collaborative prehabilitation efforts between physical medicine and rehabilitation and allogeneic hematopoietic stem cell transplant teams to optimize care for these patients is recommended.


Asunto(s)
Trasplante de Células Madre Hematopoyéticas , Humanos , Masculino , Femenino , Anciano , Estudios Retrospectivos , Persona de Mediana Edad , Cuidados Preoperatorios/métodos , Trasplante Homólogo , Medicina Física y Rehabilitación , Ejercicio Preoperatorio , Grupo de Atención al Paciente , Atención Ambulatoria
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