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Miller LC, Neupane S, Shrestha M, Joshi N, Lohani M, Thorne-Lyman A. Better Social-emotional Behavior in Young Nepali Children is Associated with Household Wealth, Child Age, and Family Participation in a Community Development Intervention. Kathmandu Univ Med J (KUMJ) 2023; 21:197-206. [PMID: 38628015] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/19/2024]
Abstract
Background Mental health and behavior problems are under-recognized in low- and middleincome countries, especially in young children. Early identification of these problems could encourage governments to address the shortages of child mental health professionals and promote early intervention programs to help children achieve their full developmental potential. Objective Describe the social-emotional development of young rural Nepali children; explore risk factors for poor development. Method The study was embedded in a longitudinal intervention trial comparing control households with those who received training in family nutrition+livestock management (Partial Package) or family nutrition+livestock management+community mobilization (Full Package). At midline, enumerators completed a 145-item household questionnaire, child anthropometry, and Administered the Ages and Stages Questionnaire-Social-Emotional (ASQ-SE) to all enrolled children age 33-47 months (n=310). Bivariate and regression analyses examined the relationship of child and household risk factors to administered the Ages and Stages QuestionnaireSocial-Emotional scores. Result Administered the Ages and Stages Questionnaire-Social-Emotional scores were below age cutoffs in 24% of children, suggesting worse social-emotional development. In bivariate analyses and the adjusted linear regression model, older child age, greater household wealth, and Full Package Intervention status were all associated with better social-emotional development scores. Partial Package Intervention status was associated with worse scores. Conclusion The Administered the Ages and Stages Questionnaire-Social-Emotional is a potential tool to assess child social-emotional development in the context of household and community level interventions. Further work is necessary to validate the administered the Ages and Stages Questionnaire-Social-Emotional and similar tools in Nepal, and to better understand the prevalence of challenges to optimal socialemotional development in young children in order to use this information to design and monitor needed interventions.
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Crowder SJ, Tanner AL, Dawson MA, Felsman IC, Hassmiller SB, Miller LC, Reinhard SC, Toney DA. Better together: Coalitions committed to advancing health equity. Nurs Outlook 2022; 70:S48-S58. [PMID: 35504756 PMCID: PMC9056016 DOI: 10.1016/j.outlook.2022.02.013] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2021] [Revised: 02/12/2022] [Accepted: 02/15/2022] [Indexed: 12/14/2022]
Abstract
The Future of Nursing 2020-2030 report identifies coalitions as a driving force for advancing health equity. Five coalitions provided insight into their accomplishments, lessons learned, and role in advancing health equity. The exemplar coalitions included Latinx Advocacy Team and Interdisciplinary Network for COVID-19, Black Coalition Against COVID, Camden Coalition, National Coalition of Ethnic Minority Nurse Associations, and The Future of Nursing: Campaign for Action. While all exemplar coalitions, credited relationship building and partnerships to their success, they used unique strategies for striving to meet their populations' needs, whether the needs arose from COVID-19, racial and/or ethnic disparities, socioeconomic disparities, or other barriers to health. Research and policy implications for coalitions are discussed. Nurses play a critical role in every highlighted coalition and in the national effort to make health and health care more equitable.
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Fillman SG, Cloonan N, Catts VS, Miller LC, Wong J, McCrossin T, Cairns M, Weickert CS. Increased inflammatory markers identified in the dorsolateral prefrontal cortex of individuals with schizophrenia. Mol Psychiatry 2013; 18:206-14. [PMID: 22869038 DOI: 10.1038/mp.2012.110] [Citation(s) in RCA: 431] [Impact Index Per Article: 39.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
Upregulation of the immune response may be involved in the pathogenesis of schizophrenia with changes occurring in both peripheral blood and brain tissue. To date, microarray technology has provided a limited view of specific inflammatory transcripts in brain perhaps due to sensitivity issues. Here we used SOLiD Next Generation Sequencing to quantify neuroimmune mRNA expression levels in the dorsolateral prefrontal cortex of 20 individuals with schizophrenia and their matched controls. We detected 798 differentially regulated transcripts present in people with schizophrenia compared with controls. Ingenuity pathway analysis identified the inflammatory response as a key change. Using quantitative real-time PCR we confirmed the changes in candidate cytokines and immune modulators, including interleukin (IL)-6, IL-8, IL-1β and SERPINA3. The density of major histocompatibility complex-II-positive cells morphologically resembling microglia was significantly increased in schizophrenia and correlated with IL-1β expression. A group of individuals, most of whom had schizophrenia, were found to have increased inflammatory mRNA expression. In summary, we have demonstrated changes in an inflammatory response pathway that are present in ∼40% of people diagnosed with schizophrenia. This suggests that therapies aimed at immune system attenuation in schizophrenia may be of direct benefit in the brain.
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Ning K, Miller LC, Laidlaw HA, Watterson KR, Gallagher J, Sutherland C, Ashford MLJ. Leptin-dependent phosphorylation of PTEN mediates actin restructuring and activation of ATP-sensitive K+ channels. J Biol Chem 2009; 284:9331-40. [PMID: 19208634 PMCID: PMC2666585 DOI: 10.1074/jbc.m806774200] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2008] [Revised: 02/04/2009] [Indexed: 11/08/2022] Open
Abstract
Leptin activates multiple signaling pathways in cells, including the phosphatidylinositol 3-kinase pathway, indicating a degree of cross-talk with insulin signaling. The exact mechanisms by which leptin alters this signaling pathway and how it relates to functional outputs are unclear at present. A previous study has established that leptin inhibits the activity of the phosphatase PTEN (phosphatase and tensin homolog deleted on chromosome 10), an important tumor suppressor and modifier of phosphoinositide signaling. In this study we demonstrate that leptin phosphorylates multiple sites on the C-terminal tail of PTEN in hypothalamic and pancreatic beta-cells, an action not replicated by insulin. Inhibitors of the protein kinases CK2 and glycogen synthase kinase 3 (GSK3) block leptin-mediated PTEN phosphorylation. PTEN phosphorylation mutants reveal the critical role these sites play in transmission of the leptin signal to F-actin depolymerization. CK2 and GSK3 inhibitors also prevent leptin-mediated F-actin depolymerization and consequent ATP-sensitive K(+) channel opening. GSK3 kinase activity is inhibited by insulin but not leptin in hypothalamic cells. Both hormones increase N-terminal GSK3 serine phosphorylation, but in hypothalamic cells this action of leptin is transient. Leptin, not insulin, increases GSK3 tyrosine phosphorylation in both cell types. These results demonstrate a significant role for PTEN in leptin signal transmission and identify GSK3 as a potential important signaling node contributing to divergent outputs for these hormones.
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Abstract
BACKGROUND We investigated time use of Russian children residing in Baby Homes to document their opportunities and experiences during institutional care. METHODS Time use of 138 non-special needs, randomly selected children (65 female vs. 73 male, age 1 month to 4 years) in Baby Homes in Murmansk, Russia, was analysed. Baby Home specialists were trained in time-use spot observation methodology. Each child was observed every 10 min for 5 h (31 observations/child; >4000 data points). At each observation, we coded: who the child was with, adult role, what the child was doing, location and vocalizations. RESULTS Children spent 50% of their time alone, 27% with a caregiver, 15% with another adult, and 7% with another child. Infants spent significantly more time alone (65%) than toddlers (43%) or pre-schoolers (46%) [F(2,133) = 13.05, P < 0.0001]. Caregivers supervised children (58%), led group activities (16%), cared for individuals (14%), or were absent from the room (12%). Children spent the most time (32%) in activities of daily living; remaining time was spent in meaningful play (27%), non-purposeful activity (16%) or sleep (18%). The percentage of time spent in meaningful play significantly increased across age groups [infants 10%, toddlers 25%, pre-schoolers 36%, F(2,133) = 26.9, P < 0.001]. Infants (23%) and toddlers (20%) spent significantly more time than the older group (10%) in non-purposeful activity [F(2,133) = 26.9, P < 0.001]. In 12% of observations, an adult was speaking to the child, in 10% to the group, and <1% to another adult. Child vocalizations varied by age: infants 42% of observations, toddlers 56%, and pre-schoolers 59%. Older children directed more vocalizations to adults than younger children [F(2,133) = 24.47, P < 0.001]. CONCLUSION Time use of children residing in Baby Homes is limited by routinized schedules and care, at the expense of child-directed or interactive play with adults. Despite close proximity and living in group care, children's vocalizations and interactions with others are limited.
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Evans TA, Miller LC, Vasilas BL, Taylor RW, Mulrooney RP. Management of Xiphinema americanum and Soybean Severe Stunt in Soybean Using Crop Rotation. PLANT DISEASE 2007; 91:216-219. [PMID: 30781007 DOI: 10.1094/pdis-91-2-0216] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
Soybean severe stunt (SSS), caused by the Soybean severe stunt virus (SSSV), is a soilborne virus disease affecting soybean (Glycine max) first described in Delaware in 1988. Lack of breeding programs directed at incorporating resistance to SSSV in new cultivar releases necessitated alternative methods of SSS control. The effect of crops in 2-year rotations on the dagger nematode (Xiphinema americanum), the putative nematode vector of SSSV, and SSS severity were examined. Two years of continuous corn or grain sorghum, wheat followed by 'HT-5203' soybean, or 2-year fallow, reduced both dagger nematode density in the soil and SSS severity. Crop rotation to the SSSV-tolerant HT-5203 soybean as a single crop for 2 years increased dagger ematode populations and SSS severity. Greenhouse studies indicated that corn, wheat, marigold, castor, and fallow treatments reduced dagger nematodes the most after 14 weeks compared with 'Essex' and HT 5203 soybean.
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Ning K, Miller LC, Laidlaw HA, Burgess LA, Perera NM, Downes CP, Leslie NR, Ashford MLJ. A novel leptin signalling pathway via PTEN inhibition in hypothalamic cell lines and pancreatic beta-cells. EMBO J 2006; 25:2377-87. [PMID: 16675953 PMCID: PMC1478173 DOI: 10.1038/sj.emboj.7601118] [Citation(s) in RCA: 85] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2005] [Accepted: 04/05/2006] [Indexed: 11/08/2022] Open
Abstract
In obesity and diabetes, the ability of hypothalamic neurons to sense and transduce changes in leptin and insulin levels is compromised. The effects of both hormones require intracellular signalling via the PI3-kinase pathway, which is inhibited by the phosphatase PTEN. We show that leptin-stimulated F-actin depolymerization in mouse hypothalamic cells is inhibited by PTEN, a process involving independent effects of both its lipid and protein phosphatase activities. Potentially mediating this F-actin depolymerization, leptin, but not insulin, stimulated the phosphorylation of PTEN in a CK2 dependent manner, and inhibited its phosphatase activity. Similarly, hyperpolarization of mouse pancreatic beta-cells by leptin also requires coincident PtdIns(3,4,5)P3 generation and actin depolymerization, and could be inhibited by mechanisms requiring both the lipid and protein phosphatase activities of PTEN. These results demonstrate a critical role for PTEN in leptin signalling and indicate a mechanism by which leptin and insulin can produce PI3K dependent differential cellular outputs.
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Keller NR, Diedrich A, Appalsamy M, Miller LC, Caron MG, McDonald MP, Shelton RC, Blakely RD, Robertson D. Norepinephrine transporter-deficient mice respond to anxiety producing and fearful environments with bradycardia and hypotension. Neuroscience 2006; 139:931-46. [PMID: 16515844 DOI: 10.1016/j.neuroscience.2006.01.008] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2005] [Revised: 11/18/2005] [Accepted: 01/15/2006] [Indexed: 10/24/2022]
Abstract
The study of anxiety and fear involves complex interrelationships between psychiatry and the autonomic nervous system. Altered noradrenergic signaling is linked to certain types of depression and anxiety disorders, and treatment often includes specific transporter blockade. The norepinephrine transporter is crucial in limiting catecholaminergic signaling. Norepinephrine transporter-deficient mice have increased circulating catecholamines and elevated heart rate and blood pressure. We hypothesized, therefore, that reduced norepinephrine clearance would heighten the autonomic cardiovascular response to anxiety and fear. In separate experiments, norepinephrine transporter-deficient (norepinephrine transporter-/-) mice underwent tactile startle and trace fear conditioning to measure hemodynamic responses. A dramatic tachycardia was observed in norepinephrine transporter-/- mice compared with controls following both airpuff or footshock stimuli, and pressure changes were also greater. Interestingly, in contrast to normally elevated home cage levels in norepinephrine transporter-deficient mice, prestimulus heart rate and blood pressure were actually higher in norepinephrine transporter+/+ animals throughout behavioral testing. Upon placement in the behavioral chamber, norepinephrine transporter-deficient mice demonstrated a notable bradycardia and depressor effect that was more pronounced in females. Power spectral analysis indicated an increase in low frequency oscillations of heart rate variability; in mice, suggesting increased parasympathetic tone. Finally, norepinephrine transporter-/- mice exhibited sexual dimorphism in freeze behavior, which was greatest in females. Therefore, while reduced catecholamine clearance amplifies immediate cardiovascular responses to anxiety- or fear-inducing stimuli in norepinephrine transporter-/- mice, norepinephrine transporter deficiency apparently prevents protracted hemodynamic escalation in a fearful environment. Conceivably, chronic norepinephrine transporter blockade with transporter-specific drugs might attenuate recognition of autonomic and somatic distress signals in individuals with anxiety disorders, possibly lessening their behavioral reactivity, and reducing the cardiovascular risk factors associated with persistent emotional arousal.
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Read SJ, Vanman EJ, Miller LC. Connectionism, parallel constraint satisfaction processes, and gestalt principles: (re) introducing cognitive dynamics to social psychology. PERSONALITY AND SOCIAL PSYCHOLOGY REVIEW 2005; 1:26-53. [PMID: 15647127 DOI: 10.1207/s15327957pspr0101_3] [Citation(s) in RCA: 191] [Impact Index Per Article: 10.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/31/2022]
Abstract
We argue that recent work in connectionist modeling, in particular the parallel constraint satisfaction processes that are central to many of these models, has great importance for understanding issues of both historical and current concern for social psychologists. We first provide a brief description of connectionist modeling, with particular emphasis on parallel constraint satisfaction processes. Second, we examine the tremendous similarities between parallel constraint satisfaction processes and the Gestalt principles that were the foundation for much of modem social psychology. We propose that parallel constraint satisfaction processes provide a computational implementation of the principles of Gestalt psychology that were central to the work of such seminal social psychologists as Asch, Festinger, Heider, and Lewin. Third, we then describe how parallel constraint satisfaction processes have been applied to three areas that were key to the beginnings of modern social psychology and remain central today: impression formation and causal reasoning, cognitive consistency (balance and cognitive dissonance), and goal-directed behavior. We conclude by discussing implications of parallel constraint satisfaction principles for a number of broader issues in social psychology, such as the dynamics of social thought and the integration of social information within the narrow time frame of social interaction.
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Gavrila A, Chan JL, Miller LC, Heist K, Yiannakouris N, Mantzoros CS. Circulating melanin-concentrating hormone, agouti-related protein, and alpha-melanocyte-stimulating hormone levels in relation to body composition: alterations in response to food deprivation and recombinant human leptin administration. J Clin Endocrinol Metab 2005; 90:1047-54. [PMID: 15546902 DOI: 10.1210/jc.2004-1124] [Citation(s) in RCA: 52] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Abstract
We evaluated whether circulating levels of melanin-concentrating hormone (MCH), agouti-related protein (AGRP), and alpha-MSH could serve as useful markers of energy homeostasis in humans. We first assessed correlations of serum MCH, AGRP, and alpha-MSH with anthropometric, dietary, and hormonal variables in a cross-sectional study of 108 healthy humans. We then performed interventional studies to evaluate the effects of fasting and/or leptin administration. In eight healthy, normal weight men, we measured serum MCH, AGRP, and alpha-MSH levels at baseline, after 2 d of fasting alone (a low leptin state), and after 2 d of fasting with replacement dose recombinant methionyl human leptin (r-metHuLeptin) administration to normalize circulating leptin levels. In a separate group of five lean and five obese men, we measured MCH levels in response to increasing circulating leptin levels to the pharmacological range by administration of one r-metHuLeptin dose in the fed state. In the cross-sectional study, serum MCH levels were independently and positively associated with body mass index and fat mass and were higher in women than in men. Furthermore, in our interventional studies, fasting for 2 d significantly decreased leptin levels and increased serum MCH levels. Administration of replacement dose r-metHuLeptin during fasting prevented the fasting-induced increase in MCH levels, but administration of a pharmacological r-metHuLeptin dose in the fed state did not further alter MCH levels. Serum AGRP levels tended to change in directions similar to MCH, but this change was less pronounced and needs to be investigated in larger studies. In contrast, serum alpha-MSH levels did not correlate with body composition parameters, were not associated with caloric or macronutrient intake, and were not significantly affected by fasting or r-metHuLeptin administration. These findings suggest that serum MCH and possibly AGRP levels could serve as useful peripheral markers of changes in energy homeostasis and thus merit additional investigation.
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Fathalla BM, Miller LC, Bubolz B, Schaller JG. Prolonged QTc interval and juvenile dermatomyositis. Clin Exp Rheumatol 2004; 22:788-9. [PMID: 15638062] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/01/2023]
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Miller LC, Laegreid WW, Bono JL, Chitko-McKown CG, Fox JM. Interferon type I response in porcine reproductive and respiratory syndrome virus-infected MARC-145 cells. Arch Virol 2004; 149:2453-63. [PMID: 15338318 PMCID: PMC7087254 DOI: 10.1007/s00705-004-0377-9] [Citation(s) in RCA: 95] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2004] [Accepted: 06/08/2004] [Indexed: 12/02/2022]
Abstract
Infection by porcine reproductive and respiratory syndrome virus (PRRSV) results in a weak induction of the innate immune response. There are many genes that collectively comprise this response and the extent to which each gene responds to PRRSV infection is unclear and warrants further investigation. To this end, we have utilized real-time PCR using SYBR Green I dye-based detection to quantify transcript abundance of the type I interferons (IFN-α and -β) and IFN-β transcriptional enhanceasome genes. In MARC-145 cells, both IFN-α and -β transcript abundance were unaffected by PRRSV infection. However, stimulation of MARC-145 cells by exogenous double-stranded RNA, resulted in significant increases in transcript abundance of both IFN-α and -β as well as IFN-β enhanceasome components, indicating that a type I IFN response could be induced in these cells. The double-stranded RNA induction of type I IFN transcription was significantly inhibited by dual-exposure with PRRSV. These results suggest that PRRSV infection directly interferes with type I IFN transcriptional activation early in its pathway, at the level of IFN-β gene transcription.
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Gavrila A, Chan JL, Yiannakouris N, Kontogianni M, Miller LC, Orlova C, Mantzoros CS. Serum adiponectin levels are inversely associated with overall and central fat distribution but are not directly regulated by acute fasting or leptin administration in humans: cross-sectional and interventional studies. J Clin Endocrinol Metab 2003; 88:4823-31. [PMID: 14557461 DOI: 10.1210/jc.2003-030214] [Citation(s) in RCA: 306] [Impact Index Per Article: 14.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
Adiponectin is an adipocyte-secreted protein that circulates in high concentrations in the serum and acts to increase insulin sensitivity. Previous studies have shown that serum adiponectin is inversely associated with fat mass and insulin resistance in humans and that acute fasting decreases adipose tissue adiponectin mRNA expression in rodents. Whether acute energy deprivation, body fat distribution, or serum hormone levels are associated with circulating adiponectin in humans remains largely unknown. To identify predictors of serum adiponectin levels, we evaluated the association of adiponectin with several anthropometric, metabolic, and hormonal variables in a cross-sectional study of 121 women without a known history of diabetes. We also performed interventional studies to assess whether fasting for 48 h and/or leptin administration regulates serum adiponectin in healthy men and women. Our cross-sectional study shows that, in addition to overall obesity, central fat distribution is an independent negative predictor of serum adiponectin and suggests that adiponectin may represent a link between central obesity and insulin resistance. In addition, estradiol is negatively and independently associated with adiponectin, whereas there is no association between serum adiponectin and leptin, cortisol, or free testosterone levels. Our interventional studies demonstrate that neither fasting for 48 h, resulting in a low leptin state, nor leptin administration at physiological or pharmacological doses alters serum adiponectin levels. Further studies are needed to fully elucidate the physiology of adiponectin in humans and its role in the pathogenesis of insulin-resistant states.
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Miller LC, Comfort K, Kely N. Immunization status of internationally adopted children. Pediatrics 2001; 108:1050-1. [PMID: 11589214] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/21/2023] Open
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Miller LC, Blakemore W, Sheppard D, Atakilit A, King AM, Jackson T. Role of the cytoplasmic domain of the beta-subunit of integrin alpha(v)beta6 in infection by foot-and-mouth disease virus. J Virol 2001; 75:4158-64. [PMID: 11287565 PMCID: PMC114161 DOI: 10.1128/jvi.75.9.4158-4164.2001] [Citation(s) in RCA: 40] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022] Open
Abstract
Field isolates of foot-and-mouth disease virus (FMDV) are believed to use RGD-dependent integrins as cellular receptors in vivo. Using SW480 cell transfectants, we have recently established that one such integrin, alpha(v)beta6, functions as a receptor for FMDV. This integrin was shown to function as a receptor for virus attachment. However, it was not known if the alpha(v)beta6 receptor itself participated in the events that follow virus binding to the host cell. In the present study, we investigated the effects of various deletion mutations in the beta6 cytoplasmic domain on infection. Our results show that although loss of the beta6 cytoplasmic domain has little effect on virus binding, this domain is essential for infection, indicating a critical role in postattachment events. The importance of endosomal acidification in alpha(v)beta6-mediated infection was confirmed by experiments showing that infection could be blocked by concanamycin A, a specific inhibitor of the vacuolar ATPase.
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Rader M, Marks G, Mansergh G, Crepaz N, Miller LC, Appleby PR, Murphy S. Preferences about the characteristics of future HIV prevention products among men who have sex with men. AIDS EDUCATION AND PREVENTION : OFFICIAL PUBLICATION OF THE INTERNATIONAL SOCIETY FOR AIDS EDUCATION 2001; 13:149-159. [PMID: 11398959 DOI: 10.1521/aeap.13.2.149.19735] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/23/2023]
Abstract
This study of men who have sex with men (MSM) examined preferences about the characteristics of a potential product for preventing sexual transmission of HIV, such as a rectal microbicide. MSM were recruited in West Hollywood, California. They self-administered a questionnaire and rated 48 product characteristics representing seven dimensions. Overall, the ratings were highest for effectiveness in preventing HIV and other sexually transmitted diseases, followed by characteristics reflecting the physical or secondary effects of the product and logistics of use. Physical attributes, convenience/accessibility, and psychological aspects had intermediate ratings; interpersonal dynamics had the lowest rating. Men with negative attitudes about using condoms to prevent HIV infection were more likely than their counterparts to prefer a product that does not reduce sexual sensation or pleasure, does not break the mood, and can be used after a sexual encounter ends. A similar pattern was observed when participants were stratified by whether or not they had engaged in unprotected anal intercourse in the past 12 months. The findings inform the development, testing, and marketing of a future HIV prevention product for MSM.
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Crepaz N, Marks G, Mansergh G, Murphy S, Miller LC, Appleby PR. Age-related risk for HIV infection in men who have sex with men: examination of behavioral, relationship, and serostatus variables. AIDS EDUCATION AND PREVENTION : OFFICIAL PUBLICATION OF THE INTERNATIONAL SOCIETY FOR AIDS EDUCATION 2000; 12:405-415. [PMID: 11063060] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 05/23/2023]
Abstract
The study examined behavioral, relationship, and serostatus variables that potentially contribute to HIV infection risk in three age groups of men who have sex with men (MSM). MSM recruited in West Hollywood, California self-administered a questionnaire measuring unprotected insertive anal intercourse (UIAI) and unprotected receptive anal intercourse (URAI) with primary and nonprimary partners. The following relationship/serostatus variables were also assessed: recency of HIV testing, knowledge of own HIV serostatus, perception of partner's serostatus, seroconcordance (self and partner seronegative), and self-reported monogamy status. The prevalence of UIAI and URAI was higher with primary than nonprimary partners. These sexual risk behaviors with primary partners were substantially more prevalent among men younger than 25 years of age than among men aged 25 to 30 or over age 30. UIAI and URAI with nonprimary partners were uncommon in each age group, and there were no significant age differences on the serostatus and relationship variables. The findings suggest that young MSM may be at elevated risk for contracting HIV by virtue of their sexual risk behavior with primary partners. Targeted interventions for MSM need to address sexual risk in the context of primary relationships.
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Murphy ST, Miller LC, Moore J, Clark LF. Preaching to the choir: preference for female-controlled methods of HIV and sexually transmitted disease prevention. Am J Public Health 2000; 90:1135-7. [PMID: 10897194 PMCID: PMC1446302 DOI: 10.2105/ajph.90.7.1135] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
Abstract
OBJECTIVES This study assessed interest in female-controlled methods of HIV and sexually transmitted disease (STD) prevention. METHODS Surveys were conducted with 168 African American women, aged 18 to 32 years, who had had unprotected sex and at least 3 sexual partners in the last 2 years. RESULTS Of 44 potential features, "female control" (where women control the method by either wearing or applying it) ranked 22nd in average importance. Women who rated female control as highly important had fewer sex partners and fewer STDs and were more likely to use existing prevention methods frequently. CONCLUSIONS Female control may be of less interest to women most at risk for HIV and other STDs. This underscores the need to take the priorities and preferences of women into consideration when developing new prevention methods.
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Abstract
OBJECTIVE Since 1989, American parents have adopted 18 846 Chinese children. This study assesses the health and developmental status of these children after their arrival in the United States. PATIENTS AND METHODS A total of 452 children (443 girls) in 2 groups were evaluated. The clinic group children (n = 192) included all Chinese adoptees seen in an international adoption clinic between 1991 and 1998. The travel group comprised 260 of 325 Chinese children placed by a single Massachusetts adoption agency between 1991 and 1996 whose adoptive parents and American physicians responded to mailed questionnaires. One hundred ninety-one of the travel group children were cared for by 1 of us (N.W.H.) during the adoption process in China. RESULTS Growth and developmental delays were frequent in the clinic group. Z scores </=-2 were found in 39% of children for height, 18% for weight, and 24% for head circumference. The duration of orphanage confinement was inversely proportional to the linear height lag (r =.9), with a loss of 1 month of height age for every 2. 86 months in the orphanage. Of the children, 75% had significant developmental delay in at least 1 domain: gross motor in 55%, fine motor in 49%, cognitive in 32%, language in 43%, social-emotional in 28%, activities of daily living in 30%, and global delays in 44%. The incidence of medical problems was similar in both groups of children (travel group and clinic group). Overall, among the 452 children, elevated lead levels were found in 14%, anemia in 35%, abnormal thyroid function tests in 10%, hepatitis B surface antigen in 6%, hepatitis B surface antibody in 22%, intestinal parasites (usually Giardia) in 9%, and positive skin test results for tuberculosis in 3.5%. One child each had hepatitis C exposure and congenital syphilis. No child had human immunodeficiency virus infection. Unsuspected significant medical diagnoses, including hearing loss, orthopedic problems, and congenital anomalies, were found in 18% (81/452) of the children. CONCLUSIONS Chinese adoptees display a similar pattern of growth and developmental delays and medical problems as seen in other groups of internationally adopted children. An exception is the increased incidence of elevated lead levels (overall 14%). Although serious medical and developmental issues were found among the children, overall their condition was better than expected based on recent publicity about conditions in the Chinese orphanages. The long-term outcome of these children remains unknown. China, adoption, orphanage, institutionalized child.
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Miller LC. Initial assessment of growth, development, and the effects of institutionalization in internationally adopted children. Pediatr Ann 2000; 29:224-32. [PMID: 10782478 DOI: 10.3928/0090-4481-20000401-08] [Citation(s) in RCA: 40] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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Bloom BJ, Miller LC, Tucker LB, Schaller JG, Blier PR. Soluble adhesion molecules in juvenile rheumatoid arthritis. J Rheumatol 1999; 26:2044-8. [PMID: 10493690] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/14/2023]
Abstract
OBJECTIVE To determine serum levels of soluble (s) adhesion molecules in patients with juvenile rheumatoid arthritis (JRA), and to determine whether differences exist in these levels among the 3 subtypes of JRA, and whether levels of these molecules correlate with other measures of disease activity. METHODS Serum levels of soluble forms of intercellular adhesion molecule-1 (ICAM-1), ICAM-3, vascular (V) CAM-1, L-selectin, and E-selectin were determined by sandwich ELISA in 16 patients with JRA (6 systemic, 6 polyarticular, 4 pauciarticular). Differences in levels among JRA subtypes were determined by ANOVA, and correlations between levels and the following clinical variables were assessed by linear regression analysis: erythrocyte sedimentation rate (ESR), total white blood cell count (WBC), hematocrit (HCT), platelet count (PLT), and total swollen joint count (JC). RESULTS sE-selectin levels were significantly higher in patients with systemic disease compared to other subtypes (p<0.04). Furthermore, there was a trend toward higher levels of sICAM-1 in systemic disease, which did not reach statistical significance. Significant correlations were found between sE-selectin and ESR (r = 0.68, p<0.006), WBC (r = 0.70, p<0.003), and PLT (r = 0.54, p<0.05) and between sL-selectin and WBC (r = 0.55, p<0.03). CONCLUSION Because of the small number of patients studied, and the lack of age matched control data, our results must be interpreted with caution. Nonetheless, levels of sE-selectin, and possibly ICAM-1 appear to be relatively elevated in systemic JRA, and may indicate cytokine induction and endothelial cell activation in that subtype. Several molecules, especially sE-selectin, correlate with hematologic variables in JRA. These results suggest that serum levels of these molecules may provide a useful additional marker for disease activity in certain patients.
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Abstract
OBJECTIVE To examine racial differences in hormone replacement therapy (HRT) use by analyzing the relative risks and rates of HRT prescriptions for black and white women. METHODS Data on visits to hospital outpatient departments and office-based physicians by black and white women aged 45-64 years were obtained from 25,203 visits sampled in the 1993-1995 National Ambulatory Medical Care Surveys and National Hospital Ambulatory Medical Care Surveys. The relative effect of race on the provision of an HRT prescription at an ambulatory visit was estimated by controlling confounders using logistic regression. Population-based rates of physician visits and visits with HRT prescriptions were also calculated to address issues involving access to care. RESULTS Approximately 98,787,000 annual visits were made by black and white women 45-64 years of age, 9.2% of which involved prescriptions for HRT. The percentage of visits by black women in which prescriptions for HRT were reported (4.5%) was roughly half that of white women (9.7%). The association persisted after controlling for type of physician, practice type, geographic region, payment source, and non-HRT prescription(s) (odds ratio 2.1; 95% confidence interval 1.5, 2.9). The rate of ambulatory care among black women (3.82 visits per year per woman) was virtually identical to that of white women (3.94 visits per year), whereas the rate of visits with HRT prescriptions for white women was twice as high as for black women (0.38 and 0.17 visits per year, respectively). CONCLUSION Apparent racial differences in HRT use persist after controlling for physician and visit factors not explored in previous studies.
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Abstract
Wegener's granulomatosis (WG) is a necrotizing granulomatous vasculitis usually affecting the upper and lower respiratory tracts and kidneys. Any organ system can be affected by the pathologic process, which remains an etiologic enigma. Limited forms of the disease are recognized in which few extrapulmonary and no renal lesions occur. Cutaneous manifestations occur in 40% to 50% of patients with WG (1). Early diagnosis is imperative because treatment regimens reduce morbidity and mortality in this potentially fatal disease. We report WG in a 10-year-old boy whose upper respiratory tract symptoms began at age 8 years. The case is illustrative of the difficulties that can be encountered in attempting to make this diagnosis. Skin is an easily accessible organ for biopsy, thus an increasing familiarity with the typical biopsy specimen findings within a consistent clinical setting may aid in earlier diagnosis of WG.
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