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991.
Verdijk RM Mutis T Wilke M Pool J Schrama E Brand A Goulmy E 《The hematology journal : the official journal of the European Haematology Association / EHA》2002,3(6):271-275
Tissue expression of minor Histocompatibility antigens HA-1 and HA-2 is limited to the hematopoietic system. Therefore, ex vivo generated HA-1/HA-2 specific cytotoxic T lymphocytes (CTLs) can be applied for adoptive immunotherapy of relapsed leukemia after HLA-matched HA-1/HA-2 mismatched stem cell transplantation. Here we used T cell receptor beta variable chain (TCRBV) spectratyping and/or TCRBV sequencing to monitor the specific TCR usage in eleven HA-1/HA-2 CTLs that were induced ex vivo with peptide pulsed dendritic cells. The HA-2 induced CTLs used different TCRBV. In contrast, the development of HA-1 specific CTLs coincided with prominent skewing of TCRBV7 spectratypes. Sequencing of the TCRBV7 specific PCR products used by these ex vivo generated HA-1 CTLs revealed the exclusive usage of TCRBV7-9*03, identical to the TCRBV used by HA-1 specific CTLs induced in vivo after stem cell transplantation. Thus, monitoring of immunotherapy with HA-1 specific CTLs is now also feasible by TCRBV spectratyping. 相似文献
992.
993.
van der Gaag EJ Leccia MT Dekker SK Jalbert NL Amodeo DM Byers HR 《The Journal of investigative dermatology》2002,118(2):246-254
Cell spreading, proliferation, and survival are modulated by focal adhesions linking extracellular matrix proteins, integrins, and the cytoskeleton. Zyxin is a focal-adhesion-associated phosphoprotein with one domain involved in the control of actin assembly and three protein-protein adapter domains implicated in the regulation of cell growth and differentiation. We characterized zyxin expression in normal human melanocytes and six melanoma cell lines in relation to cell spreading, growth, and differentiation using Western immunoblotting techniques, image analysis, flow cytometry, and confocal microscopy. We found that zyxin, focal adhesion kinase, and paxillin were significantly upregulated in melanoma cells compared to melanocytes. Zyxin expression directly related to cell spreading and proliferation and inversely related to differentiation, whereas focal adhesion kinase correlated only to cell spreading and paxillin did not significantly correlate with any of the parameters. Treatment of melanoma cells with 12-O-tetradecanoylphorbol-13-acetate downregulated zyxin expression, inhibited cell spreading and proliferation, and promoted differentiation. In contrast, 12-O-tetradecanoylphorbol-13-acetate, a mitogen for melanocytes, induced upregulation of zyxin expression in melanocytes. These findings are consistent with a role of zyxin in modulation of cell spreading, proliferation, and differentiation. Therapies directed at the downregulation of this focal adhesion phosphoprotein in melanoma cells implicate a new approach for controlling melanoma cell growth. 相似文献
994.
Cunningham SD Tschann J Gurvey JE Fortenberry JD Ellen JM 《Sexually transmitted infections》2002,78(5):334-338
OBJECTIVES: To determine the association between stigma and shame about having a sexually transmitted disease and adolescents' past STD related care seeking; between stigma, shame, and perceptions about disclosure of sexual behaviours to a doctor or nurse; and whether the association of stigma, shame, and care seeking was moderated by perceptions about disclosure. METHODS: A household sample of 142 sexually active African-American youths, 13-19 years old, was questioned about STD related stigma (alpha = 0.89), STD related shame (alpha = 0.90), and perceptions about disclosure of sexual behaviours to a doctor or nurse (alpha = 0.81). RESULTS: Among females, stigma was associated with increased anticipation of negative reactions to disclosure of sexual behaviours to a doctor or nurse (odds ratio (OR) = 0.319; 95% confidence interval (CI) =0.12 to 0.85) while shame was not. Stigma was also independently associated with STD related care seeking in the past year (OR = 0.296; 95% CI = 0.09 to 0.94) while shame was not. There was no association between stigma and shame with perceptions about disclosure or past care seeking in males. Perceived outcomes of disclosing sexual behaviours did not moderate the association of stigma, shame, and past STD related care seeking. CONCLUSIONS: Stigma about STDs may influence how female adolescents perceive reactions to disclosure of their sexual behaviour to healthcare providers. It may also be an important factor in their decision seek to STD related care. Perceptions about disclosure of sexual behaviour to a doctor or nurse do not change the relation of stigma or shame to past STD related care seeking. 相似文献
995.
Rucci P Frank E Kostelnik B Fagiolini A Mallinger AG Swartz HA Thase ME Siegel L Wilson D Kupfer DJ 《The American journal of psychiatry》2002,159(7):1160-1164
OBJECTIVE: Lifetime rates of suicide attempts among patients with bipolar I disorder were compared to rates during a 2-year period of intensive treatment with pharmacotherapy and with one of two adjunctive psychosocial interventions. METHOD: Subjects entered the study during an acute mood episode. Subjects were treated with primarily lithium pharmacotherapy and with either psychotherapy specific to bipolar disorder, which included help in regularizing daily routines, or nonspecific, intensive clinical management involving regular visits with empathic clinicians. Data on prior suicide attempts were obtained retrospectively from interviews with the NIMH-Life-Chart method. Data on suicide attempts during the clinical trial were collected systematically throughout the protocol. RESULTS: The rate of suicide attempts was 1.05 per 100 person-months before patients entered the trial. Patients experienced a threefold reduction in the rate of suicide attempts during the acute treatment phase (until the patient achieved stabilization, defined by completion of 4 weeks during which the patient had a mean score of < or =7 on the 17-item Hamilton Depression Rating Scale and < or =7 on the Bech-Rafaelsen Mania Scale) and a 17.5-fold reduction during maintenance treatment. Poisson loglinear regression analysis modeling the relationship between the observed rates and the three protocol stages (pretreatment, acute, and maintenance) showed that the reductions were significant in the acute and maintenance phases, compared with the pretreatment phase. No patient with one or more suicide attempts before entering the trial attempted suicide during the protocol. CONCLUSIONS: A treatment program in a maximally supportive clinical environment can significantly reduce suicidal behavior in high-risk patients with bipolar I disorder. 相似文献
996.
A pregnant woman from Nantucket Island, MA was diagnosed with human granulocytic ehrlichiosis at 34 weeks gestation. We describe the diagnostic and therapeutic dilemmas involved and discuss the risks of perinatal transmission. 相似文献
997.
998.
Maio RF Garrison HG Spaite DW Desmond JS Gregor MA Stiell IG Cayten CG Chew JL Mackenzie EJ Miller DR O' Malley PJ 《Annals of emergency medicine》2002,40(2):172-179
The purpose of the Emergency Medical Services Outcomes Project (EMSOP) is to develop a foundation and framework for out-of-hospital outcomes research. In prior work (EMSOP I), discomfort had the highest weighted score among outcome categories for the top 3 adult conditions (ie, minor trauma, respiratory distress, chest pain) and the first and third highest rankings for children's conditions (ie, minor trauma, respiratory distress). In this fourth article in the EMSOP series, we discuss issues relevant to the measurement of pain in the out-of-hospital setting, recommended pain measures that require evaluation, and implications for outcomes research focusing on pain. For adults, adolescents, and older children, 2 verbal pain-rating scales are recommended for out-of-hospital evaluation: (1) the Adjective Response Scale, which includes the responses "none," "slight," "moderate," "severe," and "agonizing," and (2) the Numeric Response Scale, which includes responses from 0 (no pain) to 100 (worst pain imaginable). The Oucher Scale, combining a visual analog scale with pictures, seems most promising for out-of-hospital use among younger children. Future research in out-of-hospital care should be conducted to determine the utility and feasibility of these measures, as well as the effectiveness of interventions for pain relief. 相似文献
999.
Garrison HG Maio RF Spaite DW Desmond JS Gregor MA O'Malley PJ Stiell IG Cayten CG Chew JL Mackenzie EJ Miller DR 《Annals of emergency medicine》2002,40(1):79-88
The purpose of the Emergency Medical Services Outcomes Project (EMSOP) is to develop a foundation and framework for out-of-hospital outcomes research. Fundamental to that purpose is the identification of priority conditions, risk-adjustment measures (RAMs), and outcome measures. In this third EMSOP article, we examine the topic of risk adjustment, discuss the relevance of risk adjustment for out-of-hospital outcomes research, and recommend RAMs that should be evaluated for potential use in emergency medical services (EMS) research. Risk adjustment allows better judgment about the effectiveness and quality of alternative therapies; it fosters a better comparison of potentially dissimilar groups of patients. By measuring RAMs, researchers account for an important source of variation in their studies. Core RAMs are those measures that might be necessary for out-of-hospital outcomes research involving any EMS condition. Potential core RAMs that should be evaluated for their feasibility, validity, and utility in out-of-hospital research include patient age and sex, race and ethnicity, vital signs, level of responsiveness, Glasgow Coma Scale, standardized time intervals, and EMS provider impression of the presenting condition. Potential core RAMs that could be obtained through linkage to other data sources and that should be evaluated for their feasibility, validity, and utility include principal diagnosis and patient comorbidity. We recommend that these potential core RAMs be systematically evaluated for use in risk adjustment of out-of-hospital patient groups that might be used for outcomes research 相似文献
1000.
Kawamorita R Iwai K Takeuchi Y Kuroda D Iguchi S Satou K 《Nihon Hoshasen Gijutsu Gakkai zasshi》2002,58(6):783-792
Since the year 2000, our hospital has been equipped with an intensity modulated radiation therapy (IMRT) facility. Before IMRT is administered, the absorbed dose is measured by the ionization chamber to provide verification for the IMRT procedure. In utilizing the current point dose evaluation, large discrepancies have been experienced when the measured dose is compared with the calculated dose. This discrepancy is due to the lack of uniformity in IMRT irradiation in comparison with that of the present method of dose distribution. In order to reduce the margin of error, the average dose of the ionization chamber calculated on a dose-volume histogram was compared with the measured dose. As a result, the margin of error was minimized to <2% in uniform areas and <4% in non-uniform areas. 相似文献