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PubMed2006

Burnout of caregivers: a comparison between partners of psychiatric patients and nurses.

Care of a person with mental illness involves multiple burdens, possibly leading to burnout. This study compares partners of persons with schizophrenia and depression with nursing staff based on dimensions of burnout. Nursing staff and partners of patients with schizophrenia or depression were consecutively recruited from psychiatric hospitals and interviewed with the Maslach Burnout Inventory. No significant differences were found in the three dimensions of burnout (emotional exhaustion, depersonalization, and personal accomplishment) for the two groups of caregivers. About one fourth of the respondents in both groups showed a high degree of burnout. Professional and nonprofessional caregivers face a similar degree of burden and need support to perform their caretaking tasks.

Adolescent↗
PubMed1995

On the belief that one body may be host to two or more personalities.

The belief in the validity of the multiple personality concept is discussed in this article. Two scaffolding constructions are analyzed: dissociation and repression. As generally employed, these constructions grant no agency to the multiple personality patient. The claim is made that the conduct of interest arises in discourse, usually with the therapist as the discourse partner. In reviewing the history of multiple personality and the writings of current advocates, it becomes clear that contemporary users of the multiple personality disorder diagnosis participate in a subculture with its own set of myths, one of which is the autonomous actions of mental faculties. Of special significance is the readiness to transfigure imaginings into rememberings of child abuse, leading ultimately to the manufacture of persons. The implications for both therapy and theory of regarding the patient as agent in place of the belief that the contranormative conduct is under the control of mentalistic faculties are discussed.

Adult↗
PubMed2003

Maternal perinatal mental health and multiple births: implications for practice.

Women's mental health can be compromised during reproductive life, but to date there has been relatively little specific investigation of the links between multiple births and perinatal psychiatric illness. There has been more comprehensive examination of some of the psychological sequelae of multiple gestations and births, but many of the studies have small samples and are descriptive in nature. Most of the literature is drawn from investigations of the psychological aspects of multiple births following assisted conception. Current conceptualizations of the determinants of maternal perinatal mental health, with particular reference to multiple gestations and births are discussed and implications for clinical practice suggested. Overall there is evidence that women with multiple gestation and multiple births may be at elevated risk for pregnancy anxiety, postpartum depression and complicated grief reactions. Much less is currently known about the associations between multiple birth and either maternity blues or postpartum psychosis. The relationships between personal or family psychiatric history, past experience of childhood abuse, intimate partner intimidation and psychological adjustment to multiple births are not known. The interactions between multiple births, operative delivery, prematurity, neonatal illness and separation of mother and infant as contributing factors to maternal postpartum mental health are not known. There is very limited evidence about the psychological functioning of fathers of multiple infants. Routine antenatal, intrapartum and postnatal health care for women with multiple infants needs to take into account the additional psychological demands they face.

Depression, Postpartum↗
PubMed2002

Modeling condom-use stage of change in low-income, single, urban women.

This study was undertaken to identify and test a model of the cognitive antecedents to condom use stage of change in low-income, single, urban women. A convenience sample of 537 women (M=30 years old) attending two urban primary health care settings in western New York State anonymously completed questionnaires based primarily on two leading social-cognitive models, the transtheoretical model and the information-motivation-behavioral skills model. We used structural equation modeling to examine the direct and indirect effects of HIV-related knowledge, social norms of discussing HIV risk and prevention, familiarity with HIV-infected persons, general readiness to change sexual behaviors, perceived vulnerability to HIV, and pros and cons of condom use on condom-use stage of change. The results indicated two models that differ by partner type. Condom-use stage of change in women with steady main partners was influenced most by social norms and the pros of condom use. Condom-use stage of change in women with "other" types (multiple, casual, or new) of sexual partners was influenced by HIV-related knowledge, general readiness to change sexual behaviors, and the pros of condom use. These findings suggest implications for developing gender-relevant HIV-prevention interventions.

Adolescent↗
PubMed2001

Cost-effectiveness of the female condom in preventing HIV and STDs in commercial sex workers in rural South Africa.

We assessed the cost-effectiveness of the female condom (FC) in preventing HIV infection and other STDs among commercial sex workers (CSWs) and their clients in the Mpumulanga Province of South Africa. The health and economic outcomes of current levels of male condom (MC) use in 1000 CSWs who average 25 partners per year and have an HIV prevalence of 50.3% was compared with the expected outcomes resulting from the additional provision of FCs to these CSWs. A simulation model calculated health and public sector cost outcomes assuming 5 years of HIV infectivity, 1 month of syphilis and gonorrhea infectivity, and FC use in 12% of episodes of vaginal intercourse. Delayed infections and interactions between STDs and HIV were modeled. The simulation was extended to non-CSWs with as few as one casual partner per year. We conducted multiple sensitivity analyses. The program would distribute 6000 FCs annually at a cost of $4002 and would avert 5.9 HIV, 38 syphilis, and 33 gonorrhea cases. This would save the public sector health payer $12,090 in averted HIV/AIDS treatment costs, and $1,074 in averted syphilis and gonorrhea treatment costs for a net saving of $9163. Sensitivity analyses indicate that the economic findings are robust across a wide range of values for key inputs. The program generates net savings of $5421 if HIV prevalence in CSWs is 25% rather than 50.3% and savings of S3591 if each CSW has an average of 10 clients per year rather than 25. A program focusing on non-CSWs with only one casual partner would save $199. We conclude that a well-designed FC program oriented to CSWs and other women with casual partners is likely to be highly cost-effective and can save public sector health funds in rural South Africa.

Condoms↗
PubMed1984

Co-worker social support in a worksite smoking control program.

We evaluated the effects of adding a social support component to a worksite controlled smoking treatment program. Twenty-four participants were randomly assigned to either a controlled smoking or a controlled smoking plus partner support condition. Within a multiple baseline across behaviors design, smokers in both conditions made efforts to achieve sequential 50% reductions in: nicotine content of brand smoked, number of cigarettes smoked per day, and percentage of each cigarette smoked. Self-monitoring records, laboratory analyses of spent cigarette butts, and carbon monoxide determinations indicated that both conditions were effective in producing significant reductions in each of the three target behaviors and in carbon monoxide levels. All participants who quit smoking during the program maintained their abstinence at a 6-month follow-up, and those who did not quit were smoking less at follow-up than they had at pretest on all dependent variables. However, few differences were observed between controlled smoking and controlled smoking plus partner support conditions either during treatment or at the 6-month follow-up. Results are discussed with regard to previous worksite studies, future directions for research on social support, and variables that may have mediated treatment outcome.

Adult↗
PubMed2005

Estimating one's own and one's relatives' multiple intelligence: a study from Argentina.

Participants from Argentina (N = 217) estimated their own, their partner's, their parents' and their grandparents' overall and multiple intelligences. The Argentinean data showed that men gave higher overall estimates than women (M = 110.4 vs. 105.1) as well as higher estimates on mathematical and spatial intelligence. Participants thought themselves slightly less bright than their fathers (2 IQ points) but brighter than their mothers (6 points), their grandfathers (8 points), but especially their grandmothers (11 points). Regressions showed that participants thought verbal and mathematical IQ to be the best predictors of overall IQ. Results were broadly in agreement with other studies in the area. A comparison was also made with British data using the same questionnaire. British participants tended to give significantly higher self-estimates than for relatives, though the pattern was generally similar. Results are discussed in terms of the studies in the field.

Adolescent↗
PubMed2026

Genome-wide chromatin profiling reveals a nonlimiting role for RXR in macrophage-like cells stimulated with multiple nuclear receptor agonists.

Retinoid X receptor (RXR) is an obligate heterodimerization partner for many nuclear receptors. In the absence of ligands, RXR occupies thousands of genomic regions, with its binding landscape predominantly determined by cell identity. In the presence of agonists of RXR or its partners, RXR occupancy is changed at a subset of binding regions. The characteristics of these ligand-responsive binding regions remain largely unexplored. We used ChIP-seq to profile RXR occupancy in PMA-differentiated THP-1 cells treated with agonists of RXR or partner receptors, including RARα, VDR, PPARδ, PPARγ, LXRs, and TR, or a "cocktail" containing multiple agonists. The RXR agonist LG268 produced a stronger increase in RXR occupancy than any of the six partner-receptor agonists or their combination. The relevance of ligand-induced RXR peaks was confirmed by the analyses of motif enrichment and RXR occupancy at regulatory elements of target genes. RXR binding was investigated in more detail in cells treated with the VDR agonist, calcitriol. Calcitriol markedly enhanced VDR binding, but the corresponding increase in RXR occupancy was less pronounced. We found that both ligand-induced and unresponsive RXR peaks were involved in gene regulation, and only a small subset (∼3%) of calcitriol-regulated genes exhibited decreases in both RXR binding and mRNA levels in response to combined agonist treatment. These results support a model in which RXR functions as a nonlimiting module in a macrophage-like cell type, and interference between pathways is minimally attributable to RXR sequestration.

Humans↗
PubMed2006

Investigation of a new diagnosis of multidrug-resistant, dual-tropic HIV-1 infection--New York City, 2005.

In December 2004, infection with a strain of multidrug-resistant (MDR), dual-tropic human immunodeficiency virus (HIV)-1 was newly diagnosed in a man aged 46 years in New York City (NYC). The man (i.e., the index patient) had no history of antiretroviral treatment and reported having sex with multiple named and anonymous male partners, using crystal methamphetamine, and engaging in unprotected insertive and receptive anal intercourse. He had rapid progression to acquired immunodeficiency syndrome (AIDS) after experiencing signs and symptoms of acute HIV infection. The case was reported to the New York City Department of Health and Mental Hygiene (NYCDOH) in late January 2005 and has been described previously. This report describes the public health investigation of the index patient's reported contacts and a review of viral genetic sequencing (genotype) results from other HIV-infected patients in the NYC region to estimate the prevalence of this strain of HIV. The investigation, conducted by NYCDOH, Connecticut Department of Public Health, Aaron Diamond AIDS Research Center, New York State Department of Health, and CDC, identified three other patients with similar risk factors who engaged in high-risk sexual activity at the same time and in the same venues as the index patient and who were infected with a genotypically homologous strain of HIV. The findings demonstrate the usefulness of population-based reporting of HIV genotyping data to identify exact matches of new HIV mutations associated with drug resistance and to determine their characteristics and public health importance. The findings also demonstrate the continued risk for HIV transmission among men who have sex with men (MSM) through high-risk behaviors and the need to find effective methods to prevent HIV transmission in this population.

Anti-HIV Agents↗
PubMed2006

[Physical and sexual abuse during childhood and revictimization during adulthood in Mexican women].

OBJECTIVE: To quantify the association between physical and sexual abuse during childhood and violence during adulthood in a representative sample of female health care users in Mexico. MATERIAL AND METHODS: A questionnaire was administered to 26 042 women over 14 years of age who sought medical consultation from public health care services between October 2002 and March 2003, in all 32 states in Mexico. Two models were constructed: a) Multiple polytomic logistic regression models to explore the association between violent victimization by the partner during adulthood and violence during childhood. b) Multiple logistic regression models to explore the association between experiencing rape during adulthood and violence during childhood. RESULTS: Among women studied, an association was found between experiencing physical violence during childhood and suffering physical and sexual violence from the male partner or experiencing rape, during adulthood. When physical violence during childhood occurred "almost always", it was more likely that the woman undergo physical and sexual violence (OR = 3.1; 95% CI 2.6-3.7) and rape (OR = 2.9; 95% CI 2.4-3.6), during her adult life. In addition, when violence during childhood was more frequent, the likelihood of experiencing violence during adulthood was greater. A positive association was found between physical and sexual abuse before 15 years of age (OR = 2.8; 95% CI 2.2-3.5). Experiencing rape during adulthood was also associated with sexual abuse before 15 years of age (OR = 11.8; 95% CI 10.2-13.7). CONCLUSIONS: In this sample of Mexican women, both physical and sexual violence during childhood has negative results during adulthood, including a greater likelihood of revictimization by the male partner and rape. Physical and sexual abuse during childhood must be prevented or at least detected and treated.

Adolescent↗
PubMed2000

Direct and crossover effects of prosocial and antisocial coping behaviors.

The relationship of antisocial and prosocial coping behaviors to individual and relationship well-being was prospectively examined in a sample of fire-emergency workers (FEWs) and their marital or romantic partners (69 couples). Results of hierarchical multiple regression equations indicated that FEWs' antisocial coping was related to higher levels of depressive symptoms. Prosocial coping was related to decreased anger expression and increased relationship adjustment. Partners' prosocial coping was a significant predictor of FEWs' reports of better relationship adjustment. For partners, prosocial coping was positively related to their relationship adjustment. FEWs' coping was unrelated to partners' outcome. Results for the FEWs support the notion that coping has direct and crossover effects. Moreover, results indicate that prosocial and antisocial coping behaviors have differential effects on well-being.

Adaptation, Psychological↗
PubMed2004

SDPpred: a tool for prediction of amino acid residues that determine differences in functional specificity of homologous proteins.

SDPpred (Specificity Determining Position prediction) is a tool for prediction of residues in protein sequences that determine the proteins' functional specificity. It is designed for analysis of protein families whose members have biochemically similar but not identical interaction partners (e.g. different substrates for a family of transporters). SDPpred predicts residues that could be responsible for the proteins' choice of their correct interaction partners. The input of SDPpred is a multiple alignment of a protein family divided into a number of specificity groups, within which the interaction partner is believed to be the same. SDPpred does not require information about the secondary or three-dimensional structure of proteins. It produces a set of the alignment positions (specificity determining positions) that determine differences in functional specificity. SDPpred is available at http://math.genebee.msu.ru/~psn/.

Algorithms↗
PubMed1999

Violence in the lives of adult borderline patients.

The purpose of this study was to assess the experiences of adult violence reported by a sample of criteria-defined borderline patients and axis II controls. The experiences of having had a physically abusive partner and/or having been raped reported by 362 personality-disordered inpatients were assessed blind to diagnostic status using a semistructured research interview. Forty-six percent of borderline patients reported having been a victim of violence since the age of 18. Borderline patients (N = 290) were significantly more likely than axis II controls (N = 72) to report having had a physically abusive partner, having been raped, having been raped multiple times, having been raped by a known perpetrator, and having been both physically assaulted by a partner and raped. Female borderline patients were significantly more likely than male borderline patients to have been physically and/or sexually assaulted as adults (50% vs. 26%). However, a significantly higher percentage of borderline patients of both genders reported experiences of adult violence than controls of the same gender. Four risk factors were found to significantly predict whether borderline patients had an adult history of being a victim of violence: female gender, a substance use disorder that began before the age of 18, childhood sexual abuse, and emotional withdrawal by a caretaker. The results of this study suggest that both male and female borderline patients are at substantial risk for being physically and/or sexually victimized as adults.

Adult↗
PubMed1999

Detection of t(4;14)(p16.3;q32) chromosomal translocation in multiple myeloma by double-color fluorescent in situ hybridization.

Chromosomal translocations involving the immunoglobulin heavy chain (IGH) locus at chromosome 14q32 represent a common mechanism of oncogene activation in lymphoid malignancies. In multiple myeloma (MM), variable chromosome partners have been identified by conventional cytogenetics, including the 11q13, 8q24, 18q21, and 6p21 loci. We and others have recently reported a novel, karyotypically undetectable chromosomal translocation t(4;14)(p16. 3;q32) in MM-derived cell lines, as well as in primary tumors. The 4p16.3 breakpoints are relatively scattered and located less than 100 kb centromeric of the fibroblast growth factor receptor 3 (FGFR3) gene or within the recently identified WHSC1 gene, both of which are apparently deregulated by the translocation. To assess the frequency of the t(4;14)(p16.3;q32) translocation in MM, we performed a double-color fluorescent in situ hybridization (FISH) analysis of interphase nuclei with differently labeled probes specific for the IGH locus (a pool of plasmid clones specific for the IGH constant regions) or 4p16.3 (yeast artificial chromosome (YAC) 764-H1 spanning the region involved in breakpoints). Thirty MM patients, the MM-derived cell lines KMS-11 and OPM2, and six normal controls were examined. The identification of a t(4;14) translocation, evaluated as the presence of a der(14) chromosome, was based on the colocalization of signals specific for the two probes; a cutoff value of 15% (mean + 3 standard deviation [SD]) derived from the interphase FISH of the normal controls (range, 5% to 11%; mean +/- SD, 8.16 +/- 2.2) was used for the quantification analysis. In interphase FISH, five patients (one in clinical stage I, two in stage II, one in stage III, and a plasma cell leukemia) were found to be positive (approximately 15%). FISH metaphases with split or colocalized signals were detected in only two of the translocated cases and confirmed the pattern found in the interphase nuclei. Furthermore, in three of the five cases with the translocation, FISH analysis with the IGH joining probe (JH) showed the presence of the reciprocal product of the translocation [der(4) chromosome]. Overall, our study indicates that the t(4;14)(p16. 3;q32) chromosomal translocation is a recurrent event in MM tumors and may contribute towards the detection of this lesion and our understanding of its pathogenetic and clinical implications in MM.

Aged↗
PubMed2005

Multigenic families and proteomics: extended protein characterization as a tool for paralog gene identification.

In classical proteomic studies, the searches in protein databases lead mostly to the identification of protein functions by homology due to the non-exhaustiveness of the protein databases. The quality of the identification depends on the studied organism, its complexity and its representation in the protein databases. Nevertheless, this basic function identification is insufficient for certain applications namely for the development of RNA-based gene-silencing strategies, commonly termed RNA interference (RNAi) in animals and post-transcriptional gene silencing (PTGS) in plants, that require an unambiguous identification of the targeted gene sequence. A PTGS strategy was considered in the study of the infection of Oryza sativa by the Rice Yellow Mottle Virus (RYMV). It is suspected that the RYMV recruits host proteins after its entry into plant cells to form a complex facilitating virus multiplication and spreading. The protein partners of this complex were identified by a classical proteomic approach, nano liquid chromatography tandem mass spectrometry. Among the identified proteins, several were retained for a PTGS strategy. Nevertheless most of the protein candidates appear to be members of multigenic families for which all paralog genes are not present in protein databases. Thus the identification of the real expressed paralog gene with classical protein database searches is impossible. Consequently, as the genome contains all genes and thus all paralog genes, a whole genome search strategy was developed to determine the specific expressed paralog gene. With this approach, the identification of peptides matching only a single gene, called discriminant peptides, allows definitive proof of the expression of this identified gene. This strategy has several requirements: (i) a genome completely sequenced and accessible; (ii) high protein sequence coverage. In the present work, through three examples, we report and validate for the first time a genome database search strategy to specifically identify paralog genes belonging to multigenic families expressed under specific conditions.

Chaperonin 60↗
PubMed1998

Ligand- and DNA-induced dissociation of RXR tetramers.

Unliganded bacterially expressed RXR alpha lacking the N-terminal region AB (apo-RXR alpha delta AB) was found in solution as an apparent mixture of 165 kDa tetramers and 42 kDa monomers which could be quantitatively separated by gel filtration and non-denaturing gel electrophoresis. Under identical conditions both liganded (holo-) and apo-RAR alpha delta AB were present as single monomeric species. apo-RXR alpha delta AB tetramers, as well as dimers of the apo-RXR ligand binding domain (apo-LBD), dissociated readily into monomers when exposed to their cognate ligand 9-cis retinoic acid (9c-RA). The apo-RXR alpha delta AB tetramer bound only transiently to a cognate DR1 response element, and was converted into DR1-apo-RXR alpha delta AB homodimer complexes indistinguishable from those generated by cooperative DNA binding of apo-RXR alpha delta AB monomers. In the absence of DNA, the addition of 9c-RA greatly accelerated the formation of heterodimers with the apo-RAR alpha delta AB heterodimerization partner. No RXR alpha delta AB or RAR alpha delta AB homodimers could be observed in solution, but upon mixing of the two receptor monomers stable heterodimers could be isolated which bound to DR5 response elements in a highly cooperative manner. In these heterodimers, RXR alpha delta AB interacted with its cognate ligand as efficiently as in RXR alpha delta AB homodimers. The presence of ligand did not alter the stability of RXR alpha delta AB homodimer or RXR alpha delta AB-RAR alpha delta AB heterodimer complexes on DR1 and DR5 response elements, respectively. These in vitro data support a model in which RXR tetramers could serve as an inactive pool with the dual function of: (i) rapidly supplying large amounts of RXR heterodimerization partners upon 9c-RA generation; and (ii) allowing RXR homodimer formation on "accessible" cognate response elements in the absence of 9c-RA. These events may represent a ligand-dependent regulatory mechanism controlling the availability of the promiscuous RXR dimerization partner that is engaged in multiple nuclear receptor signalling pathways.

Amino Acid Substitution↗
PubMed2006

Community psychology at the crossroads: prospects for interdisciplinary research.

Effective engagement in interdisciplinary work is critical if community psychology is to achieve its promise as a field of ecological inquiry and social action. The purpose of this paper and special issue is to help make the benefits of interdisciplinary community research clearer and to identify and begin to address its challenges. Although some areas of psychology (e.g., biological, cognitive and health) have made substantial interdisciplinary strides in recent decades, progress in community psychology (and related areas) is more modest. In this article we explore the prospects for expanding and improving interdisciplinary community research. Challenges include designs, measures, and analytical frameworks that integrate multiple levels of analysis from individuals through families, organizations, and communities to policy jurisdictions, and the complexities involved in simultaneously bringing together multiple disciplinary collaborators and community partners. Challenges to interdisciplinary collaboration common to all disciplines include the disciplinary nature of academic culture and reward structures, limited funding for interdisciplinary work and uncertainties related to professional identity and marketability. Overcoming these challenges requires a synergy among facilitative factors at the levels of the interdisciplinary project team (e.g., the framing question; embedded relationships; leadership), the investigators (e.g., commitment to new learning; time to invest), and the external context (e.g., physical, administrative, economic and intellectual resources and support for interdisciplinary work). We conclude by identifying several exemplars of effective interdisciplinary collaborations and concrete steps our field can take to enhance our development as a vibrant community-based, multilevel discipline increasingly devoted to interdisciplinary inquiry and action.

Cooperative Behavior↗
PubMed1993

Thyroid hormone regulation of thyrotropin gene expression.

Thyroid hormones suppress the synthesis and release of thyrotropin from thyrotropes in the anterior pituitary gland, a feature that is critical in the classic negative-feedback loop of the pituitary-thyroid endocrine axis. The major effect of thyroid hormones in this system is exerted at the transcriptional level. The molecular mechanisms by which there is negative regulation of TSH subunit gene expression by thyroid hormone have been elucidated. The TSH subunit genes have isolated and characterized. Structure-function analyses using fusion genes and DNA transfection approaches have defined the putative negative TREs among the promoters of the rat, mouse, and human alpha and TSH beta genes. These sequences are either largely overlapping direct TRE half-sites, TRE half-sites as direct repeats gapped by two nucleotides, or single TRE half-sites. These arrangements are distinct from those seen in positive TREs. Recent knowledge regarding the molecular mechanisms of thyroid action in general forces consideration of multiple TR isoforms, TR heterodimer partners (TRAPs), and thyroid hormones in the ultimate mechanisms of negative action. Several models have been proposed, but none has yet been proved. In addition, the role of thyroid hormone in the regulation of gene expression at the posttranscriptional level is beginning to be addressed. Future work should continue to illuminate these important facets of gene regulation.

Animals↗