(1) Here we have asked whether protection from blood-borne antigens afforded by the blood-brain barrier is related to the lack of MHC expression.
(2) tRNA from mutant IB13 lacks 5-methylaminomethyl-2-thio-uridine in vivo due to a permanently nonfunctional methyltransferase.
(3) BL6 mouse melanoma cells lack detectable H-2Kb and had low levels of expression of H-2Db Ag.
(4) Treatment termination due to lack of efficacy or combined insufficient therapeutic response and toxicity proved to be influenced by the initial disease activity and by the rank order of prescription.
(5) In the past, the interpretation of the medical findings was hampered by a lack of knowledge of normal anatomy and genital flora in the nonabused prepubertal child.
(6) A diplomatic source said the killing appeared particularly unusual because of Farooq lack of recent political activity: "He was lying low in the past two years.
(7) The present study examined whether the lack of chronic hemodynamic effects of ANP in control rats was due to changes in vascular reactivity to the peptide.
(8) Since it was established, it has stoked controversy about contemporary art, though in recent years it has been more notable for its lack of sensationalism.
(9) Inadequate treatment, caused by a lack of drugs and poorly trained medical attendants, is also a major problem.
(10) Because of the small number of patients reported in the world literature and lack of controlled studies, the treatment of small cell carcinoma of the larynx remains controversial; this retrospective analysis suggests that combination chemotherapy plus radiation offers the best chance for cure.
(11) I would immediately look askance at anyone who lacks the last and possesses the first.
(12) The detection of these antibodies is difficult owing to the lack of standardization and of specificity of the laboratory tests.
(13) Core enzyme, lacking omega subunit, catalyzed this reaction at a rate less than 1% that of holoenzyme.
(14) But not only did it post a larger loss than expected, Amazon also projected 7% to 18% revenue growth over the busiest shopping period of the year, a far cry from the 20%-plus pace that had convinced investors to overlook its persistent lack of profit in the past.
(15) Urine specimens from patient REE also contained a light chain fragment that lacked the first (amino-terminal) 85 residues of the native light chain but otherwise was identical in sequence to the light chain REE.
(16) Thus the failure to raise anti-Id with internal image characteristics may provide an explanation for the lack of anti-gp120 activity reported in anti-Id antisera raised to multiple anti-CD4 antibodies.
(17) His walkout reportedly meant his fellow foreign affairs select committee members could not vote since they lacked a quorum.
(18) In South Africa, health risks associated with exposure to toxic waste sites need to be viewed in the context of current community health concerns, competing causes of disease and ill-health, and the relative lack of knowledge about environmental contamination and associated health effects.
(19) The functional capacity to present antigens to T cells was lacking in normal resting B cells, but was acquired following LK treatment.
(20) These findings indicate an association between HLA-B7 and ankylosing spondylitis in American blacks and suggest that these patients who lack B27 but possess B7 represent a subgroup of patients with this disease.
Noneffective
Definition:
(a.) Not effective.
(a.) Not fit or available for duty.
Example Sentences:
(1) This fact, the limited applicability of the information obtained from animal experiments, and the further fact that even test results obtained in human subjects cannot be applied on a world-wide basis, exhort us to take care not to subscribe to an all-too apodictic classification of therapeutic measures into effective and noneffective.
(2) (i) By a step-wise decrease in the dose of virus and restriction of the analyses to the first infectious cycle, a multiplicity of infection was ultimately reached for all "avirulent" populations at which infected cells produced normal yields of infectious viral progeny; i.e., the interferon-inducing components were diluted to noneffective levels.
(3) There is a brief review of the literature, and case examples are given of effective and noneffective consultation.
(4) Two criteria for an interpretation of noneffect are that the relative risk estimate be near unity and that the confidence interval be narrow; lack of statistical significance has no bearing on this issue.
(5) Similarly, in pigeons trained to discriminate imipramine from saline, noneffective doses of CRF shifted the imipramine dose-response curve more than twofold to the left.
(6) In addition to the schizophrenic co-twins, 3 MZ co-twins had a noneffective psychotic disorder, thus supporting the hypothesis that genes are involved in the development of Axis I schizophrenic spectrum disorders.
(7) The purpose of this work was to study the effect of indolylacetic acid (IAA) on the strains of Rhizobium leguminosarum, effective and noneffective with respect to symbiotic nitrogen fixation (L4 and 245a, and 14--73, respectively).
(8) In contrast to ZDV, PMEA was either noneffective in preventing viremia in the offspring or embryotoxic, depending on the dose.
(9) Furthermore, separation of PEC into plastic adherent and nonadherent cells showed the nonadherent (T cell enriched) cells to be noneffective alone.
(10) Effective and noneffective levels of inhalation of 239Pu and 241Am transuranium radionuclides were estimated by changes in heart mass parameters of 143 mongrel dogs.
(11) Of the 23 cases followed by CPA, the chronic efficacy of drugs was excellent for 7 (30%), moderate for 5 (22%), slight for 7 (30%), and noneffective for 4 (18%).
(12) Although it is commonly said that only a small proportion of childhood cancers are caused by environmental exposures, much has been learned about exogenous carcinogens through study of their effects or noneffects in children: 1.
(13) Vaccine preparations with mitomycin C inactivated tumor cells proved to be less (NDV) or noneffective (BCG) compared to those with irradiated tumor cells.
(14) The successful evaluation and treatment of the hypertonic patient depends on a clear understanding of the differences between effective and noneffective solute and the consequences of changes in these solutes for water distribution.
(15) Controls had been provided for to prove the noneffectiveness of the distraction device per se to the joint structures under study.
(16) In contrast, excluding these variables resulted in a 95% probability of failure (noneffective or transiently effective).
(17) The methodology for establishing threshold and noneffective (harmless) levels is also described, along with the prediction of delayed adverse effects.
(18) It was shown that T2-DNA modified I in 0,1 M NaCl completely preserves the native secondary structure, has a low degree modification (1 molecule I per 1000-2000 nucleotide pairs), but is a noneffective template for the RNA-polymerase from E. coli B (20%-40% as compared with unmodified T2-DNA).
(19) It was concluded that a single noneffective dose of a vasodilator administered together with an ACE inhibitor in normotensives can lower blood pressure and increase arterial compliance and plasma active renin.
(20) Effects of CRF were significantly enhanced when given in combination with imipramine with low noneffective imipramine doses potentiating the rate-reducing effects of CRF.