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Georgia statute compelling submission to an HIV test upheld. Adams v. State.
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Complexities in ETS-domain transcription factor function and regulation: lessons from the TCF (ternary complex factor) subfamily. The Colworth Medal Lecture.
The ETS-domain transcription factor family can be divided into a series of subfamilies. Elk-1 represents the founding member of the ternary complex factor (TCF) subfamily. By focusing on the TCF subfamily, we can demonstrate the complexities that exist in the function and regulation of ETS-domain transcription factors. This article focuses on Elk-1 in detail and summarizes the functions of other TCFs. The key themes covered include the domain structure of the TCFs, the mechanisms of complex formation with serum response factor, regulation of TCFs by mitogen-activated protein kinase cascades, and transcriptional regulatory properties of the TCFs. Finally, the emerging role of the TCFs in vivo is discussed. A picture is developing indicating that, while these proteins exhibit significant sequence and functional conservation, key differences in their structure and regulation are being identified which may relate to unique functions of these proteins in vivo.
The response of the hyaluronidase inhibitor and mucoproteins in ACTH therapy of rheumatic states.
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Constitutional law: Pennsylvania's wrongful birth statute's impact on abortion rights: state action and undue burden -- Edmonds v. Western Pennsylvania Hospital Radiology Associates.
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The dental profession: where is it now and where is it going?
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Multiple kinetic states underlying macroscopic M-currents in bullfrog sympathetic neurons.
M-current is a time- and voltage-dependent potassium current which is suppressible by muscarinic receptor activation. We have used curve fitting and noise analysis to determine if macroscopic M-currents deviate from a previously predicted simple two-state kinetic scheme. The M-current was best described by three kinetically distinct components: 'fast' (tau 0), 'intermediate' (tau 1) and 'slow' (tau 2) time constants. The 'fast' (tau 0) and 'intermediate' (tau 1) components were identified from the spectra of M-current noise at potentials positive to the cells' resting membrane potential. The 'intermediate' (tau 1) and 'slow' (tau 2) components were seen by curve fitting M-current deactivation currents. The 'intermediate' (tau 1) time constant was voltage dependent (decreasing e-fold in 23 mV), but voltage dependence of the 'fast' (tau 0) and 'slow' (tau 2) components was not obvious. All kinetic components were sensitive to muscarine, with the 'intermediate' (tau 1) and 'slow' (tau 2) being equally so. These data suggest that all components may derive from the same channel population, and that the M-channel may have at least four kinetic states.
Graduate medical education in the United States.
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Response of the serum hyaluronidase inhibitor and mucoproteins to adrenocorticotropic hormone in rheumatic states. Mucolytic enzyme systems XV.
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The impact of physicians' brief smoking cessation counseling: a MIRNET study.
Although many family physicians may discuss smoking cessation with their patients, few do so consistently. A common belief among many physicians is that such efforts will not deter their patients from smoking. Others believe the time commitment required for a successful intervention is excessive. The present study addressed the above issues by examining the effect of a 3- to 5-minute unstructured physician discussion encouraging smoking cessation with family practice patients. Cigarette-smoking patients of two busy family practices in southeast Michigan were randomly assigned to either a control group receiving routine care or an intervention group receiving, in addition to routine care, smoking cessation counseling from their physician. A third comparison group was drawn from smokers in practices not involved in delivering the intervention. Two hundred thirty-eight patients from the intervention group, 178 from the control group, and 47 from the comparison group were followed up with a telephone interview at 6 months. Intervention group patients made significantly more quit attempts than did those in the control group (P less than .001), which was similar to the comparison group. At the 6-month follow-up, 8% of intervention group members, and 4% of both the comparison and control groups reportedly were abstinent from smoking. Among those contacted at the 1-year follow-up, the respective percentages abstinent were 8%, 3%, and 4%. Although these differences in quit rates were not statistically significant, the findings suggest that physicians can positively affect patient smoking cessation. This intervention was feasible in busy family practices, highlighting its generalizability and applicability to other family practice settings in the United States.
Prospective study of progeny of inapparent equine carriers of equine infectious anemia virus.
Progeny of a band of horses, positive by the agar-gel immunodiffusion (AGID) test for equine infectious anemia (EIA) antibody, were observed through their weaning over a 4-year period. Sentinels (AGID test-negative) were allowed to mingle with EIA-infected mares and their foals in pasture situations in an area with high populations of potential vectors. Of 27 adult sentinels, 8 (30%) seroconverted in annual rates ranging from 0% to 75%. In contrast, only 2 of 31 (6%) foals weaned became infected. Difference in infection rates between adult sentinels and foals was significant (chi 2, P less than 0.05). Possible explanations for differences included protective value of colostral immunity and differences in attractiveness to blood feeding vectors. Detectable colostral immunity to EIA virus in the AGID test persisted for 25 to 195 days, with a mean of 124 days.
The state of seroimmunity for poliomyelitis in Czechoslovakia.
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[A case report of posttraumatic deep vein thrombosis of the lower limbs in a patient with factor V Leiden mutation and the congenital absence of the inferior vena cava].
The congenital absence of the inferior vena cava (AIVC) is a rare vessels' malformation which may predispose to the development of thrombosis. Although AIVC is very rare, its occurrence should be considered in young patients, under 40 years old, with deep vein thrombosis (DVT). We are describing a case of a young male with bilateral deep vein thrombosis, in whom we defined three risk factors for DVT--trauma, factor V Leiden and the absence of the inferior vena cava. It is worth to consider the occurrence of malformation of the inferior vena cava in the young patients with deep vein thrombosis even when the other obvious risk factors are present (trauma, factor V Leiden mutation). The clinical state and the diagnostic process are discussed.
Activation of thymic regeneration in mice and humans following androgen blockade.
The thymus undergoes age-related atrophy, coincident with increased circulating sex steroids from puberty. The impact of thymic atrophy is most profound in clinical conditions that cause a severe loss in peripheral T cells with the ability to regenerate adequate numbers of naive CD4+ T cells indirectly correlating with patient age. The present study demonstrates that androgen ablation results in the complete regeneration of the aged male mouse thymus, restoration of peripheral T cell phenotype and function and enhanced thymus regeneration following bone marrow transplantation. Importantly, this technique is also applicable to humans, with analysis of elderly males undergoing sex steroid ablation therapy for prostatic carcinoma, demonstrating an increase in circulating T cell numbers, particularly naive (TREC+) T cells. Collectively these studies represent a fundamentally new approach to treating immunodeficiency states in humans.
Quantum state reconstruction and detection of quantum coherences on different observation levels.
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Observation and properties of the X(3872) decaying to J/psipi(+)pi(-) in pp collisions at sqrt[s]=1.96 TeV.
We report the observation of the X(3872) in the J/psipi(+)pi(-) channel, with J/psi decaying to mu(+)mu(-), in pp collisions at sqrt[s]=1.96 TeV. Using approximately 230 pb(-1) of data collected with the Run II D0 detector, we observe 522+/-100 X(3872) candidates. The mass difference between the X(3872) state and the J/psi is measured to be 774.9+/-3.1(stat)+/-3.0(syst) MeV/c(2). We have investigated the production and decay characteristics of the X(3872) and find them to be similar to those of the psi(2S) state.