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1.
Child Psychiatry Hum Dev ; 54(2): 609-622, 2023 04.
Artículo en Inglés | MEDLINE | ID: mdl-34705125

RESUMEN

Studies have linked childhood anxiety and depression with parenting characterized by high control and low warmth. However, few studies have examined how control and warmth may work together to influence internalizing symptoms in children. Therefore, the goal of this study was to examine the moderating effect of warmth on the relationship between overcontrol and anxiety and depressive symptoms, as well as whether negative thoughts serve as a mediator of these pathways. A total of 182 fourth and fifth grade children completed measures of maternal parenting behavior, negative thoughts, and anxiety and depressive symptoms. Results showed an interaction between overcontrol and warmth for depressive but not anxiety symptoms. Furthermore, low warmth increased the strength of the mediating relationship between overcontrol and depression via thoughts of personal failure. Findings may signal a need for early interventions to address parenting behaviors, such as controlling behaviors, in parents of children at risk for internalizing difficulties.


Asunto(s)
Depresión , Padres , Femenino , Niño , Humanos , Trastornos de Ansiedad , Responsabilidad Parental , Ansiedad
2.
Support Care Cancer ; 25(4): 1271-1278, 2017 04.
Artículo en Inglés | MEDLINE | ID: mdl-27995318

RESUMEN

PURPOSE: Cancer-related fatigue (CRF) is a prevalent and distressing side effect of cancer and its treatment that remains inadequately understood and poorly managed. A better understanding of the factors contributing to CRF could result in more effective strategies for the prevention and treatment of CRF. The objectives of this study were to examine the prevalence, severity, and potential predictors for the early onset of CRF after chemotherapy cycle 1 in breast cancer patients. METHODS: We report on a secondary data analysis of 548 female breast cancer patients from a phase III multi-center randomized controlled trial examining antiemetic efficacy. CRF was assessed by the Brief Fatigue Inventory at pre- and post-chemotherapy cycle 1 as well as by the four-day diary. RESULTS: The prevalence of clinically relevant post-CRF was 75%. Linear regression showed that pre-treatment CRF, greater nausea, disturbed sleep, and younger age were significant risk factors for post-CRF (adjusted R2 = 0.39; P < 0.0001). Path modeling showed that nausea severity influenced post-CRF both directly and indirectly by influencing disturbed sleep. Similarly, pre-treatment CRF influenced post-CRF directly as well as indirectly through both nausea severity and disturbed sleep. Pearson correlations showed that changes in CRF over time were significantly correlated with concurrent changes in nausea severity (r = 0.41; P < 0.0001) and in disturbed sleep (r = 0.20; P < 0.0001). CONCLUSION: This study showed a high prevalence (75%) of clinically relevant CRF in breast cancer patients following their initial chemotherapy, and that nausea severity, disturbed sleep, pre-treatment CRF, and age were significant predictors of symptom.


Asunto(s)
Neoplasias de la Mama/complicaciones , Disomnias/etiología , Fatiga/etiología , Náusea/inducido químicamente , Neoplasias de la Mama/tratamiento farmacológico , Femenino , Humanos , Persona de Mediana Edad
3.
J Immunol ; 189(9): 4247-57, 2012 Nov 01.
Artículo en Inglés | MEDLINE | ID: mdl-23002435

RESUMEN

In the event of a deliberate or accidental radiological emergency, the skin would likely receive substantial ionizing radiation (IR) poisoning, which could negatively impact cellular proliferation, communication, and immune regulation within the cutaneous microenvironment. Indeed, as we have previously shown, local IR exposure to the murine ear causes a reduction of two types of cutaneous dendritic cells (cDC), including interstitial dendritic cells of the dermis and Langerhans cells of the epidermis, in a dose- and time-dependent manner. These APCs are critical regulators of skin homeostasis, immunosurveillance, and the induction of T and B cell-mediated immunity, as previously demonstrated using conditional cDC knockout mice. To mimic a radiological emergency, we developed a murine model of sublethal total body irradiation (TBI). Our data would suggest that TBI results in the reduction of cDC from the murine ear that was not due to a systemic response to IR, as a loss was not observed in shielded ears. We further determined that this reduction was due, in part, to the upregulation of the chemoattractant CCL21 on lymphatic vessels as well as CCR7 expressed on cDC. Migration as a potential mechanism was confirmed using CCR7(-/-) mice in which cDC were not depleted following TBI. Finally, we demonstrated that the loss of cDC following TBI results in an impaired contact hypersensitivity response to hapten by using a modified contact hypersensitivity protocol. Taken together, these data suggest that IR exposure may result in diminished immunosurveillance in the skin, which could render the host more susceptible to pathogens.


Asunto(s)
Movimiento Celular/inmunología , Movimiento Celular/efectos de la radiación , Células Dendríticas/inmunología , Células Dendríticas/efectos de la radiación , Rayos gamma , Receptores CCR7/fisiología , Piel/inmunología , Piel/efectos de la radiación , Animales , Células Dendríticas/patología , Dermatitis por Contacto/inmunología , Dermatitis por Contacto/metabolismo , Dermatitis por Contacto/patología , Oído , Femenino , Masculino , Ratones , Ratones Endogámicos C57BL , Receptores CCR7/efectos de la radiación , Piel/patología , Irradiación Corporal Total/efectos adversos
4.
Support Care Cancer ; 22(7): 1807-14, 2014 Jul.
Artículo en Inglés | MEDLINE | ID: mdl-24531792

RESUMEN

PURPOSE: Chemotherapy-induced peripheral neuropathy (CIPN) occurs in as high as 70% of patients receiving certain types of chemotherapy agents. The FDA has yet to approve a therapy for CIPN. The aim of this multicenter, phase III, randomized, double-blind, placebo-controlled trial was to investigate the efficacy of 2% ketamine plus 4% amitriptyline (KA) cream for reducing CIPN. METHODS: Cancer survivors who completed chemotherapy at least 1 month prior and had CIPN (>4 out of 10) were enrolled (N=462). CIPN was assessed using average scores from a 7-day daily diary that asks patients to rate the average "pain, numbness, or tingling in [their] hands and feet over the past 24 h" on an 11-point numeric rating scale at baseline and 6 weeks post intervention. ANCOVA was used to measure differences in 6-week CIPN with effects including baseline CIPN, KA treatment arm, and previous taxane therapy (Y/N). RESULTS: The KA treatment showed no effect on 6-week CIPN scores (adjusted mean difference=-0.17, p=0.363). CONCLUSIONS: This study suggests that KA cream does not decrease CIPN symptoms in cancer survivors.


Asunto(s)
Amitriptilina/administración & dosificación , Antineoplásicos/efectos adversos , Ketamina/administración & dosificación , Neoplasias/tratamiento farmacológico , Síndromes de Neurotoxicidad/tratamiento farmacológico , Enfermedades del Sistema Nervioso Periférico/tratamiento farmacológico , Administración Tópica , Adulto , Anciano , Amitriptilina/efectos adversos , Antineoplásicos/administración & dosificación , Método Doble Ciego , Femenino , Humanos , Ketamina/efectos adversos , Masculino , Persona de Mediana Edad , Síndromes de Neurotoxicidad/etiología , Enfermedades del Sistema Nervioso Periférico/inducido químicamente , Taxoides/administración & dosificación , Taxoides/efectos adversos , Estados Unidos
5.
J Support Oncol ; 11(4): 183-9, 2013 Dec.
Artículo en Inglés | MEDLINE | ID: mdl-24645338

RESUMEN

BACKGROUND: Skin reactions and pain are commonly reported side effects of radiation therapy (RT). OBJECTIVE: To characterize RT-induced symptoms according to treatment site subgroups and identify skin symptoms that correlate with pain. METHODS: A self-report survey-adapted from the MD Anderson Symptom Inventory and the McGill Pain Questionnaire--assessed RT-induced skin problems, pain, and specific skin symptoms. Wilcoxon Sign Ranked tests compared mean severity or pre- and post-RT pain and skin problems within each RT-site subgroup. Multiple linear regression (MLR) investigated associations between skin symptoms and pain. RESULTS: Survey respondents (N = 106) were 58% female and on average 64 years old. RT sites included lung, breast, lower abdomen, head/neck/brain, and upper abdomen. Only patients receiving breast RT reported significant increases in treatment site pain and skin problems (P < or = .007). Patients receiving head/neck/brain RT reported increased skin problems (P < .0009). MLR showed that post-RT skin tenderness and tightness were most strongly associated with post-RT pain (P = .066 and P = .122, respectively). LIMITATIONS: Small sample size, exploratory analyses, and nonvalidated measure. CONCLUSIONS: Only patients receiving breast RT reported significant increases in pain and skin problems at the RT site while patients receiving head/neck/brain RT had increased skin problems but not pain. These findings suggest that the severity of skin problems is not the only factor that contributes to pain and that interventions should be tailored to specifically target pain at the RT site, possibly by targeting tenderness and tightness. These findings should be confirmed in a larger sampling of RT patients.


Asunto(s)
Neoplasias/radioterapia , Dolor/etiología , Traumatismos por Radiación/etiología , Piel/efectos de la radiación , Anciano , Analgésicos Opioides/uso terapéutico , Femenino , Humanos , Modelos Lineales , Masculino , Persona de Mediana Edad , Dolor/tratamiento farmacológico , Dimensión del Dolor , Calidad de Vida , Radioterapia/efectos adversos , Autoinforme , Encuestas y Cuestionarios
6.
Dermatol Surg ; 39(9): 1323-33, 2013 Sep.
Artículo en Inglés | MEDLINE | ID: mdl-23777452

RESUMEN

BACKGROUND: Merkel cell carcinoma (MCC) is among the deadliest of cutaneous malignancies. A lack of consensus evaluation and treatment guidelines has hindered management of this disease. The utility of simultaneous positron emission tomography and computed tomography (PET/CT) has been demonstrated for a variety of tumors yet remains underinvestigated for MCC. OBJECTIVES: To report the value of fluorodeoxyglucose PET/CT imaging in the initial staging and ongoing management of individuals with MCC and to determine whether any patient or tumor characteristics may predict when PET/CT is more likely to have greater influence on medical decision-making. MATERIALS AND METHODS: A single-institution retrospective chart review was conducted of all patients diagnosed with MCC who underwent FDG-PET/CT scanning from 2007 to 2010. The outcome of each of these studies was evaluated as to the influence on patient staging and management. Patient clinical information and information on gross and microscopic tumor characteristics were collected and analyzed. RESULTS: Twenty patients underwent 39 PET/CT scans. Results of PET/CT imaging revealed previously unknown information related to MCC in four (20%) patients, leading to changes in management in three of these four cases. Three previously unknown neoplasms were detected. CONCLUSION: Fluorodeoxyglucose-positron emission tomography and computed tomography is a valuable tool for initial staging and to assess response to therapy of patients diagnosed with MCC. Larger prospective studies would be required to establish the optimal timing for this imaging modality.


Asunto(s)
Carcinoma de Células de Merkel/diagnóstico por imagen , Carcinoma de Células de Merkel/secundario , Imagen Multimodal , Tomografía de Emisión de Positrones , Neoplasias Cutáneas/diagnóstico por imagen , Neoplasias Cutáneas/patología , Tomografía Computarizada por Rayos X , Adulto , Anciano , Anciano de 80 o más Años , Carcinoma de Células de Merkel/terapia , Femenino , Fluorodesoxiglucosa F18 , Humanos , Metástasis Linfática , Masculino , Persona de Mediana Edad , Estadificación de Neoplasias , Radiofármacos , Estudios Retrospectivos , Neoplasias Cutáneas/terapia
7.
Support Care Cancer ; 20(7): 1479-89, 2012 Jul.
Artículo en Inglés | MEDLINE | ID: mdl-21818642

RESUMEN

PURPOSE: Despite the widespread use of antiemetics, nausea continues to be reported by over 70% of patients receiving chemotherapy. METHODS: In this double blind, multicenter trial, we randomly assigned 744 cancer patients to four arms: 1) placebo, 2) 0.5 g ginger, 3) 1.0 g ginger, or 4) 1.5 g ginger. Nausea occurrence and severity were assessed at a baseline cycle and the two following cycles during which patients were taking their assigned study medication. All patients received a 5-HT(3) receptor antagonist antiemetic on Day 1 of all cycles. Patients took three capsules of ginger (250 mg) or placebo twice daily for 6 days starting 3 days before the first day of chemotherapy. Patients reported the severity of nausea on a 7-point rating scale ("1" = "Not at all Nauseated" and "7" = "Extremely Nauseated") for Days 1-4 of each cycle. The primary outcomes were to determine the dose and efficacy of ginger at reducing the severity of chemotherapy-induced nausea on Day 1 of chemotherapy. RESULTS: A total of 576 patients were included in final analysis (91% female, mean age = 53). Mixed model analyses demonstrated that all doses of ginger significantly reduced acute nausea severity compared to placebo on Day 1 of chemotherapy (p = 0.003). The largest reduction in nausea intensity occurred with 0.5 g and 1.0 g of ginger (p = 0.017 and p = 0.036, respectively). Anticipatory nausea was a key factor in acute chemotherapy-induced nausea (p < 0.0001). CONCLUSIONS: Ginger supplementation at a daily dose of 0.5 g-1.0 g significantly aids in reduction of the severity of acute chemotherapy-induced nausea in adult cancer patients.


Asunto(s)
Antieméticos/uso terapéutico , Náusea/prevención & control , Fitoterapia , Vómitos/prevención & control , Zingiber officinale/química , Antieméticos/administración & dosificación , Antieméticos/aislamiento & purificación , Antineoplásicos/efectos adversos , Antineoplásicos/uso terapéutico , Relación Dosis-Respuesta a Droga , Método Doble Ciego , Femenino , Humanos , Masculino , Persona de Mediana Edad , Náusea/inducido químicamente , Neoplasias/tratamiento farmacológico , Antagonistas del Receptor de Serotonina 5-HT3/uso terapéutico , Índice de Severidad de la Enfermedad , Resultado del Tratamiento , Vómitos/inducido químicamente , Vómito Precoz/prevención & control
8.
Dig Dis Sci ; 57(7): 1887-98, 2012 Jul.
Artículo en Inglés | MEDLINE | ID: mdl-22410851

RESUMEN

BACKGROUND AND AIMS: Epstein-Barr virus (EBV) is present in the malignant epithelial cells of 10% of all gastric adenocarcinomas; however, localization of the virus in normal gastrointestinal mucosa is largely unexplored. In the present study, we measured EBV DNA and localized viral gene products in gastritis specimens (n = 89), normal gastric and colonic mucosa (n = 14), Crohn's disease (n = 9), and ulcerative colitis (n = 11) tissues. METHODS: A battery of sensitive and specific quantitative polymerase chain reactions targeted six disparate regions of the EBV genome: BamH1 W, EBNA1, LMP1, LMP2, BZLF1, and EBER1. EBV infection was localized by EBV-encoded RNA (EBER) in situ hybridization and by immunohistochemical stains for viral latent proteins LMP1 and LMP2 and for viral lytic proteins BMRF1 and BZLF1. B lymphocytes were identified using CD20 immunostains. RESULTS: EBV DNA was essentially undetectable in normal gastric mucosa but was present in 46% of gastritis lesions, 44% of normal colonic mucosa, 55% of Crohn's disease, and 64% of ulcerative colitis samples. Levels of EBV DNA exceeded what would be expected based on the numbers of B lymphocytes in inflamed tissues, suggesting that EBV is preferentially localized to inflammatory gastrointestinal lesions. Histochemical staining revealed EBER expression in lymphoid cells of some PCR-positive lesions. The viral lytic viral proteins, BMRF1 and BZLF1, were expressed in lymphoid cells of two ulcerative colitis tissues, both of which had relatively high viral loads by quantitative PCR. CONCLUSION: EBV-infected lymphocytes are frequently present in inflamed gastric and colonic mucosa. Active viral replication in some lesions raises the possibility of virus-related perpetuation of gastrointestinal inflammation.


Asunto(s)
Colitis Ulcerosa/epidemiología , Enfermedad de Crohn/epidemiología , Infecciones por Virus de Epstein-Barr/epidemiología , Gastritis/epidemiología , Mucosa Intestinal/virología , Adolescente , Niño , Preescolar , Colitis Ulcerosa/metabolismo , Colitis Ulcerosa/virología , Comorbilidad , Enfermedad de Crohn/metabolismo , Enfermedad de Crohn/virología , ADN Viral/metabolismo , Infecciones por Virus de Epstein-Barr/diagnóstico , Gastritis/metabolismo , Gastritis/virología , Herpesvirus Humano 4/genética , Humanos , Lactante , Mucosa Intestinal/metabolismo , Mucosa Intestinal/patología , Linfocitos/metabolismo , Linfocitos/patología , Linfocitos/virología , Reacción en Cadena de la Polimerasa , Prevalencia , Sensibilidad y Especificidad , Transactivadores/metabolismo , Adulto Joven
9.
Artículo en Inglés | MEDLINE | ID: mdl-22844341

RESUMEN

A cancer diagnosis elicits strong psychophysiological reactions that characterize stress. Stress is experienced by all patients but is usually not discussed during patient-healthcare professional interaction; thus underdiagnosed, very few are referred to support services. The prevalence of CAM use in patients with history of cancer is growing. The purpose of the paper is to review the aspects of cancer-related stress and interventions of commonly used complementary and alternative techniques/products for amelioration of cancer-related stress. Feasibility of intervention of several CAM techniques and products commonly used by cancer patients and survivors has been established in some cancer populations. Efficacy of some CAM techniques and products in reducing stress has been documented as well as stress-related symptoms in patients with cancer such as mindfulness-based stress reduction, yoga, Tai Chi Chuan, acupuncture, energy-based techniques, and physical activity. Much of the research limitations include small study samples and variety of intervention length and content. Efficacy and safety of many CAM techniques and some herbs and vitamin B and D supplements need to be confirmed in further studies using scientific methodology. Several complementary and alternative medicine therapies could be integrated into standard cancer care to ameliorate cancer-related stress.

10.
Child Psychiatry Hum Dev ; 43(4): 544-59, 2012 Aug.
Artículo en Inglés | MEDLINE | ID: mdl-22331442

RESUMEN

The high prevalence and early onset of anxiety disorders have inspired innovative prevention efforts targeting young at-risk children. With parent-child prevention models showing success for older children and adolescents, the goal of this study was to evaluate a parent-child indicated preventive intervention for preschoolers with mild to moderate anxiety symptoms. Sixteen children (ages 3-5) and at least one of their parents participated in Strengthening Early Emotional Development (SEED), a new 10-week intervention with concurrent groups for parents and children. Outcome measures included clinician-rated and parent-rated assessments of anxiety symptoms, as well as measures of emotion knowledge, parent anxiety, and parental attitudes about children's anxiety. Participation in SEED was associated with reduced child anxiety symptoms and improved emotion understanding skills. Parents reported decreases in their own anxiety, along with attitudes reflecting enhanced confidence in their children's ability to cope with anxiety. Reductions in child and parent anxiety were maintained at 3-month follow-up. Findings suggest that a parent-child cognitive-behavioral preventive intervention may hold promise for young children with mild to moderate anxiety. Improvements in parent anxiety and parental attitudes may support the utility of intervening with parents. Fostering increased willingness to encourage their children to engage in new and anxiety-provoking situations may help promote continued mastery of new skills and successful coping with anxiety.


Asunto(s)
Adaptación Psicológica , Trastornos de Ansiedad/prevención & control , Ansiedad/prevención & control , Relaciones Padres-Hijo , Padres/psicología , Preescolar , Emociones , Femenino , Humanos , Masculino , Ajuste Social , Resultado del Tratamiento
11.
J Adolesc ; 33(1): 43-54, 2010 Feb.
Artículo en Inglés | MEDLINE | ID: mdl-19556002

RESUMEN

Although the tripartite model reliably distinguishes anxiety and depression in adolescents, it remains unclear how negative affectivity (NA) and positive affectivity (PA) influence developmental pathways to internalizing problems. Based on models which propose that affectivity shapes how youth react to stress, the present study attempted to investigate the relative roles of NA, PA, and stressful life events in characterizing and differentiating adolescent anxiety and depression. A sample of adolescent females (N=63), including a sub-sample of adolescent mothers, completed measures of NA, PA, negative life event (NLE) occurrence, anxiety, and depression. Findings supported the tripartite model as a "temperamental reactivity to stress" approach. Anxious and depressive symptoms were predicted by a combination of high NA and high NLE occurrence. However, a combination of low PA and high NLE occurrence was uniquely linked to greater depressive symptoms. Implications of these findings for early identification and prevention programs are discussed.


Asunto(s)
Trastornos de Ansiedad/epidemiología , Trastornos de Ansiedad/psicología , Trastorno Depresivo/epidemiología , Trastorno Depresivo/psicología , Acontecimientos que Cambian la Vida , Adolescente , Afecto , Trastornos de Ansiedad/diagnóstico , Actitud , Trastorno Depresivo/diagnóstico , Femenino , Humanos , Valor Predictivo de las Pruebas , Embarazo , Embarazo en Adolescencia/psicología , Embarazo en Adolescencia/estadística & datos numéricos , Índice de Severidad de la Enfermedad , Encuestas y Cuestionarios , Temperamento , Adulto Joven
12.
Lab Invest ; 89(1): 80-90, 2009 Jan.
Artículo en Inglés | MEDLINE | ID: mdl-19002111

RESUMEN

Gastric adenocarcinoma is the second leading cause of cancer death worldwide. Epstein-Barr virus (EBV) is present in the malignant cells of approximately 10% of cases. It is unclear whether EBV is being missed in some gastric adenocarcinomas due to insensitive test methods or partial EBV genome loss. In this study, we screened 113 gastric adenocarcinomas from low- and high-incidence regions (United States and Central America) for the presence of EBV using a battery quantitative real-time PCR (Q-PCR) assays targeting disparate segments of the EBV genome (BamH1W, EBNA1, LMP1, LMP2, BZLF1, EBER1) and histochemical stains targeting EBV-encoded RNA (EBER), the latent proteins LMP1 and LMP2, and the lytic proteins BMRF1 and BZLF1. EBV DNA was detected by Q-PCR in 48/75 United States cancers (64%) and in 38/38 Central American cancers (100%), which was a significant difference. EBER was localized to malignant epithelial cells in 8/48 (17%) United States and 3/38 (8%) Central American cancers. Viral loads were considerably higher for EBER-positive vs EBER-negative cancers (mean 162 986 vs 62 EBV DNA copies per 100,000 cells). A viral load of 2000 copies per 100,000 cells is recommended as the threshold distinguishing EBER-positive from EBER-negative tumors. One infected cancer selectively failed to amplify the LMP2 gene because of a point mutation, whereas another cancer had an atypical pattern of Q-PCR positivity suggesting deletion of large segments of the EBV genome. Three different viral latency profiles were observed in the cancers based on constant expression of EBER and focal or variable expression of LMP1 or LMP2, without lytic protein expression. We conclude that EBV DNA levels generally reflect EBER status, and a panel of at least two Q-PCR assays is recommended for sensitive identification of infected cancers.


Asunto(s)
Adenocarcinoma/virología , ADN Viral/metabolismo , Infecciones por Virus de Epstein-Barr/complicaciones , Herpesvirus Humano 4/fisiología , Neoplasias Gástricas/virología , Latencia del Virus , Adenocarcinoma/química , Adenocarcinoma/patología , Secuencia de Bases , Sistemas de Computación , Infecciones por Virus de Epstein-Barr/diagnóstico , Variación Genética , Genoma Viral , Herpesvirus Humano 4/genética , Humanos , Hibridación in Situ , Datos de Secuencia Molecular , Reacción en Cadena de la Polimerasa/métodos , Isoformas de Proteínas/análisis , Isoformas de Proteínas/genética , Neoplasias Gástricas/química , Neoplasias Gástricas/patología , Proteínas de la Matriz Viral/análisis , Proteínas de la Matriz Viral/genética
13.
Intervirology ; 52(1): 8-16, 2009.
Artículo en Inglés | MEDLINE | ID: mdl-19349713

RESUMEN

OBJECTIVE: WZhet is a rearranged and partially deleted form of the Epstein-Barr virus (EBV) genome in which the BamH1W region becomes juxtaposed with and activates BZLF1, resulting in constitutive viral replication. We tested whether WZhet induces viral replication in epithelial cells, and we studied its prevalence in a wide range of lesional tissues arising in vivo. METHODS: A quantitative real-time PCR assay targeting EBV WZhet DNA was developed to measure this recombinant form of the EBV genome. RESULTS: WZhet DNA was undetectable in any of 324 plasma or paraffin-embedded tissue samples from patients with EBV-associated and EBV-negative disorders. These included specimens from patients with Hodgkin or non-Hodgkin lymphoma, post-transplant lymphoproliferation, nasopharyngeal or gastric adenocarcinoma, and infectious mononucleosis. However, WZhet DNA was detected in vitro in EBV-infected AGS gastric cancer cells. Additionally, transient transfection of infected AGS gastric cancer cells showed that viral replication could be induced by a WZhet plasmid. CONCLUSION: This is the first evidence that WZhet induces the EBV lytic cycle in an epithelial cell line. Our negative findings in natural settings suggest that WZhet is a defective viral product that thrives in the absence of a host immune system but is rarely present in vivo.


Asunto(s)
ADN Viral/fisiología , Células Epiteliales/virología , Herpesvirus Humano 4/genética , Replicación Viral , Adenocarcinoma/sangre , Adenocarcinoma/virología , Adolescente , Adulto , Línea Celular Tumoral , Niño , Preescolar , Neoplasias Gastrointestinales/sangre , Neoplasias Gastrointestinales/virología , Humanos , Lactante , Mononucleosis Infecciosa/sangre , Mononucleosis Infecciosa/virología , Linfoma/sangre , Linfoma/virología , Sensibilidad y Especificidad
14.
J Cogn Psychother ; 33(4): 331-342, 2019 Nov 01.
Artículo en Inglés | MEDLINE | ID: mdl-32746395

RESUMEN

Evidence suggests that Social Anxiety Disorder (SAD) is less responsive to cognitive behavioral treatment (CBT) compared to other anxiety disorders. Therefore, exploring what might facilitate clinical benefit is essential. Social threat cognitions, characterized by exaggerated perceptions of negative evaluation by others, may be one important avenue to examine. The current study investigated whether youths' social threat cognitions decreased with Skills for Academic and Social Success (SASS), a group, school-based CBT designed for SAD, and whether decreases predicted SAD severity and treatment response. Participants included 138 high school students with SAD randomly assigned to SASS, or a nonspecific school counseling intervention. SASS participants showed significantly decreased social threat cognitions at 5-month follow-up. Treatment responders had significantly greater reductions in social threat cognitions compared to nonresponders at post-intervention and follow-up. These findings suggest that social threat cognitions may be important to assess and monitor when treating youth with SAD.

15.
J Cancer Surviv ; 11(3): 401-409, 2017 Jun.
Artículo en Inglés | MEDLINE | ID: mdl-28105576

RESUMEN

PURPOSE: Cancer-related insomnia is associated with diminished quality of life (QOL), suggesting that improvement in insomnia may improve QOL in cancer survivors. Cognitive behavioral therapy for insomnia (CBT-I) has been shown to improve insomnia, but less is known regarding its effect on QOL and whether improvement in insomnia corresponds to improved QOL. The present analysis examines the effects of CBT-I, with and without armodafinil, on QOL both directly and indirectly through improvements of insomnia. METHODS: This is an analysis of 95 cancer survivors for a specified secondary aim of a four-arm randomized controlled trial assessing the combined and individual effects of CBT-I and armodafinil to improve insomnia. QOL and insomnia severity were assessed before, during the intervention, at post-intervention, and 3 months later by Functional Assessment of Cancer Therapy-General and Insomnia Severity Index, respectively. RESULTS: Mean change in QOL from pre- to post-intervention for CBT-I + placebo, CBT-I + armodafinil, armodafinil, and placebo was 9.6 (SE = 1.8; p < 0.0001), 11.6 (SE = 1.8; p < 0.0001), -0.2 (SE = 3.2; p = 0.964), and 3.3 (SE = 2.0; p = 0.124), respectively. ANCOVA controlling for pre-intervention scores showed that participants receiving CBT-I had significantly improved QOL at post-intervention compared to those not receiving CBT-I (p < 0.0001, effect size = 0.57), with benefits being maintained at the 3-month follow-up. Path analysis revealed that this improvement in QOL was due to improvement in insomnia severity (p = 0.002), and Pearson correlations showed that changes in QOL from pre- to post-intervention were significantly associated with concurrent changes in insomnia severity (r = -0.56; p < 0.0001). Armodafinil had no effect on QOL for those who did or did not receive it (p = 0.976; effect size = -0.004). CONCLUSION: In cancer survivors with insomnia, CBT-I resulted in clinically significant improvement in QOL via improvement in insomnia. This improvement in QOL remained stable even 3 months after completing CBT-I. IMPLICATIONS FOR CANCER SURVIVORS: Considering the high prevalence of insomnia and its detrimental impact on QOL in cancer survivors and the effectiveness of CBT-I in alleviating insomnia, it is important that evidence-based non-pharmacological sleep interventions such as CBT-I be provided as an integral part of cancer care.


Asunto(s)
Compuestos de Bencidrilo/uso terapéutico , Terapia Cognitivo-Conductual/métodos , Neoplasias/complicaciones , Calidad de Vida/psicología , Trastornos del Inicio y del Mantenimiento del Sueño/tratamiento farmacológico , Promotores de la Vigilia/uso terapéutico , Adulto , Anciano , Compuestos de Bencidrilo/administración & dosificación , Compuestos de Bencidrilo/farmacología , Femenino , Humanos , Masculino , Persona de Mediana Edad , Modafinilo , Neoplasias/mortalidad , Sobrevivientes , Resultado del Tratamiento , Promotores de la Vigilia/administración & dosificación , Promotores de la Vigilia/farmacología
16.
Int J Radiat Oncol Biol Phys ; 65(3): 890-8, 2006 Jul 01.
Artículo en Inglés | MEDLINE | ID: mdl-16751071

RESUMEN

PURPOSE: To determine whether curcumin ameliorates acute and chronic radiation skin toxicity and to examine the expression of inflammatory cytokines (interleukin [IL]-1, IL-6, IL-18, IL-1Ra, tumor necrosis factor [TNF]-alpha, and lymphotoxin-beta) or fibrogenic cytokines (transforming growth factor [TGF]-beta) during the same acute and chronic phases. METHODS AND MATERIALS: Curcumin was given intragastrically or intraperitoneally to C3H/HeN mice either: 5 days before radiation; 5 days after radiation; or both 5 days before and 5 days after radiation. The cutaneous damage was assessed at 15-21 days (acute) and 90 days (chronic) after a single 50 Gy radiation dose was given to the hind leg. Skin and muscle tissues were collected for measurement of cytokine mRNA. RESULTS: Curcumin, administered before or after radiation, markedly reduced acute and chronic skin toxicity in mice (p < 0.05). Additionally, curcumin significantly decreased mRNA expression of early responding cytokines (IL-1 IL-6, IL-18, TNF-alpha, and lymphotoxin-beta) and the fibrogenic cytokine, TGF-beta, in cutaneous tissues at 21 days postradiation. CONCLUSION: Curcumin has a protective effect on radiation-induced cutaneous damage in mice, which is characterized by a downregulation of both inflammatory and fibrogenic cytokines in irradiated skin and muscle, particularly in the early phase after radiation. These results may provide the molecular basis for the application of curcumin in clinical radiation therapy.


Asunto(s)
Curcumina/uso terapéutico , Citocinas/metabolismo , Traumatismos Experimentales por Radiación/prevención & control , Protectores contra Radiación/uso terapéutico , Piel/efectos de la radiación , Animales , Evaluación Preclínica de Medicamentos/métodos , Femenino , Interleucina-1/metabolismo , Interleucina-18/metabolismo , Interleucina-6/metabolismo , Linfotoxina-alfa/metabolismo , Linfotoxina beta , Proteínas de la Membrana/metabolismo , Ratones , Ratones Endogámicos C3H , ARN Mensajero/metabolismo , Traumatismos Experimentales por Radiación/metabolismo , Piel/metabolismo
17.
Child Abuse Negl ; 52: 49-61, 2016 Feb.
Artículo en Inglés | MEDLINE | ID: mdl-26774533

RESUMEN

The current retrospective archival study investigated the patterns of normative sexualized behavior (NSB), problematic sexualized behavior (PSB), and sexual perpetration for three age cohorts of boys and girls in a high-risk child welfare sample. All children in the present sample had exhibited some form of PSB in the past. We hypothesized that the incidence rates (IR) of NSBs would increase linearly from the early childhood cohort (Ages 2/3-7) to the middle childhood cohort (Ages 8-11) to the preadolescence/adolescence cohort (Ages 12-17), for girls and boys. Although the base rate of sexual behaviors generally increases as children age, children tend to hide sexual behaviors starting at an early age. We therefore hypothesized that a concave quadratic trend would be evident for most PSBs. We further predicted that older children would have a greater incidence of PSB, as well as more victims, compared with younger children. We found the predicted upward linear trend for NSB for both girls and boys, with minimal IR differences between the early childhood and middle childhood cohorts. IRs were remarkably high and comparable across age groups for both boys and girls, with respect to the same three PSBs. For the two perpetration history variables, there was a concave effect, with girls and boys in the middle childhood cohort exhibiting the lowest IR. Results are explained in the context of previously established patterns of sexualized behavior, as well as the reporting of such behaviors.


Asunto(s)
Maltrato a los Niños/psicología , Protección a la Infancia , Conducta Sexual/psicología , Adolescente , Distribución por Edad , Niño , Preescolar , Femenino , Humanos , Masculino , Desarrollo Psicosexual/fisiología , Estudios Retrospectivos , Distribución por Sexo , Disfunciones Sexuales Psicológicas/psicología
18.
Radiat Res ; 186(5): 436-446, 2016 Nov.
Artículo en Inglés | MEDLINE | ID: mdl-27710703

RESUMEN

Exposure to radiation, particularly a large or total-body dose, weakens the immune system through loss of bone marrow precursor cells, as well as diminished populations of circulating and tissue-resident immune cells. One such population is the skin-resident immune cells. Changes in the skin environment can be of particular importance as the skin is also host to a number of commensal organisms, including Candida albicans , a species of fungus that causes opportunistic infections in immunocompromised patients. In a previous study, we found that a 6 Gy sublethal dose of radiation in mice caused a reduction of cutaneous dendritic cells, indicating that the skin may have a poorer response to infection after irradiation. In this study, the same 6 Gy sublethal radiation dose led to a weakened response to a C. ablicans cutaneous infection, which resulted in systemic dissemination from the ear skin to the kidneys. However, this impaired response was mitigated through the use of interleukin-12 (IL-12) administered to the skin after irradiation. Concomitantly with this loss of local control of infection, we also observed a reduction of CD4+ and CD8+ T cells in the skin, as well as the reduced expression of IFN-γ, CXCL9 and IL-9, which influence T-cell infiltration and function in infected skin. These changes suggest a mechanism by which an impaired immune environment in the skin after a sublethal dose of radiation increases susceptibility to an opportunistic fungal infection. Thus, in the event of radiation exposure, it is important to include antifungal agents, or possibly IL-12, in the treatment regimen, particularly if wounds are involved that result in loss of the skin's physical barrier function.


Asunto(s)
Candida albicans/fisiología , Piel/microbiología , Piel/efectos de la radiación , Irradiación Corporal Total , Animales , Candida albicans/efectos de la radiación , Citocinas/metabolismo , Granulocitos/inmunología , Granulocitos/efectos de la radiación , Interleucina-12/farmacología , Riñón/microbiología , Riñón/efectos de la radiación , Ratones , Piel/efectos de los fármacos , Piel/inmunología
19.
J Clin Psychiatry ; 66(8): 1038-42, 2005 Aug.
Artículo en Inglés | MEDLINE | ID: mdl-16086620

RESUMEN

OBJECTIVE: In an open trial, we investigated the efficacy of triiodothyronine (T(3)) adjuvant to selective serotonin reuptake inhibitors (SSRIs) in subjects with major depressive disorder (MDD) resistant to SSRI treatment. METHOD: Twenty subjects who met DSM-IV criteria for MDD (mean +/- SD age = 44.3 +/- 10.3 years; 55% [N = 11] women) and had failed to respond to a course of treatment of at least 8 weeks with an SSRI antidepressant were enrolled in a 4-week open-label augmentation treatment with T(3) 50 microg/day. Atypical and melancholic sub-types of MDD were diagnosed using Structured Clinical Interview for DSM-IV Axis I Disorders criteria. We administered the 17-item Hamilton Rating Scale for Depression (HAM-D-17) 4 times during the study (which was conducted between 2001 and 2003). RESULTS: During T(3) augmentation, the severity of depression decreased from an initial mean +/- SD HAM-D-17 score of 20.5 +/- 3.6 to a final HAM-D-17 score of 14.0 +/- 7.1 (p < .001). Seven subjects (35.0%) were treatment responders (HAM-D-17 reduction >or= 50%), and 6 subjects (30.0%) achieved clinical remission (final HAM-D-17

Asunto(s)
Trastorno Depresivo Mayor/tratamiento farmacológico , Inhibidores Selectivos de la Recaptación de Serotonina/uso terapéutico , Triyodotironina/uso terapéutico , Adulto , Trastorno Depresivo/diagnóstico , Trastorno Depresivo/tratamiento farmacológico , Trastorno Depresivo/psicología , Trastorno Depresivo Mayor/diagnóstico , Trastorno Depresivo Mayor/psicología , Resistencia a Medicamentos , Quimioterapia Combinada , Femenino , Humanos , Masculino , Escalas de Valoración Psiquiátrica , Inhibidores Selectivos de la Recaptación de Serotonina/efectos adversos , Índice de Severidad de la Enfermedad , Resultado del Tratamiento
20.
Diagn Mol Pathol ; 14(1): 29-33, 2005 Mar.
Artículo en Inglés | MEDLINE | ID: mdl-15714061

RESUMEN

The role of Epstein-Barr Virus (EBV) in breast cancer pathogenesis remains controversial. Fifty-five cases of paraffin-embedded, formalin-fixed invasive breast cancer were screened for the presence of EBV using quantitative polymerase chain reaction (PCR) directed at five different targets within the EBV genome (BamH1W, LMP1, EBNA1, LMP2, and BZLF1 regions). In four tumors (7%), low level EBV DNA was detected by at least one of the assays, with levels of up to 11 copies of EBV DNA per 100,000 cells. Immunohistochemisty for viral BMRF1 and BZLF1 and in situ hybridization for lytic gene transcripts showed no evidence of replicative EBV gene expression. Lymphocytes and malignant cells were also negative for latent infection by EBER in situ hybridization. Laser capture microdissection followed by quantitative real-time PCR was not useful in localizing EBV DNA to malignant cells or bystander lymphocytes. In conclusion, EBV DNA is detectable in a fraction of breast cancer specimens using real-time PCR as a screening tool, albeit at quite low levels, which suggests that only rare cells are infected. The low levels probably confounded our ability to localize the virus to particular cell types or to characterize viral gene expression.


Asunto(s)
Adenocarcinoma/virología , Neoplasias de la Mama/virología , ADN Viral/genética , ADN Viral/aislamiento & purificación , Herpesvirus Humano 4/genética , Herpesvirus Humano 4/aislamiento & purificación , Reacción en Cadena de la Polimerasa/métodos , Adenocarcinoma/etiología , Adenocarcinoma/genética , Neoplasias de la Mama/etiología , Neoplasias de la Mama/genética , Estudios de Casos y Controles , ADN de Neoplasias/genética , ADN de Neoplasias/aislamiento & purificación , Femenino , Genoma Viral , Herpesvirus Humano 4/patogenicidad , Humanos
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