What's the difference between complement and expression?

Complement


Definition:

  • (v. t.) That which fills up or completes; the quantity or number required to fill a thing or make it complete.
  • (v. t.) That which is required to supply a deficiency, or to complete a symmetrical whole.
  • (v. t.) Full quantity, number, or amount; a complete set; completeness.
  • (v. t.) A second quantity added to a given quantity to make it equal to a third given quantity.
  • (v. t.) Something added for ornamentation; an accessory.
  • (v. t.) The whole working force of a vessel.
  • (v. t.) The interval wanting to complete the octave; -- the fourth is the complement of the fifth, the sixth of the third.
  • (v. t.) A compliment.
  • (v. t.) To supply a lack; to supplement.
  • (v. t.) To compliment.

Example Sentences:

  • (1) We have cloned the phr gene that encodes DNA photolyase from Salmonella typhimurium by in vivo complementation of Escherichia coli phr gene defect.
  • (2) Patient plasma samples demonstrated evidence of marked complement activation, with 3-fold elevations of C3a desArg concentrations by the 8th day of therapy.
  • (3) Serum complement studies revealed decreased levels of C4, properdin, and C3.
  • (4) Release of 51Cr was apparently a function of immune thymus-derived lymphocytes (T cells) because it was abrogated by prior incubation of spleen cells with anti-thymus antiserum and complement but was undiminished by passage of spleen cells through nylon-wool columns.
  • (5) Many speak about how yoga and surfing complement each other, both involving deep concentration, flexibility and balance.
  • (6) This linkage information was used to design complementation tests to determine allelism with previously characterized complementation groups affecting sensitivity to radiation.
  • (7) Most of the antibodies had some degree of complement-independent neutralizing capacity, but in common was a large neutralization-resistant fraction of virus (range 13 to 78%).
  • (8) Intercistronic complementation of these mutants with pm1493 and dl121, two SV40 mutants that are defective in agnoprotein but encode wild-type T antigen, results in an increased synthesis of agnoprotein in the infected cells.
  • (9) These studies show that complement activation can frequently be detected in the plasma of IgA nephropathy patients.
  • (10) Usually they are characterized by an increased level of complement components involved in the classical pathway and therefore reflect activation by antigen antibody complexes.
  • (11) Allelic complementation was not observed, despite testing of a large number of allele pairs, and alleles suppressible by the ochre suppressor SUP11 were absent from a sample of 48 spontaneous mutants and occurred infrequently (7%) among a sample of ultraviolet-induced mutants.
  • (12) Besides various skin tests with the antigens candida, trichophyton, mumps, streptokinase-streptodornase, tuberculin, DNCB and KLH also in vitro experiments measuring the immunoglobulin- and complement concentrations, the antibody production to KLH, the lymphocyte transformation rate to PHA, Pokeweed, Con A, PPD were done nearly in all patients.
  • (13) Skin allografts survived longer on ALS-treated, complement-deficient (C5 negative) recipients than on ALS-treated, complement-competent (C5 positive) recipients.
  • (14) These antibodies are usually characterized by the conventional platelet complement fixation test.
  • (15) This syndrome is consistently correlated with abnormally elevated serum IgG levels, antinuclear antibodies, anti ds- and ssDNA antibodies, and circulating immune complexes, as well as depressed serum hemolytic complement.
  • (16) This study was conducted using a standard complement-dependent microcytotoxicity assay.
  • (17) A plasmid carrying this mutation, along with wild-type genes encoding the c and b subunits, was unusual in that it failed to complement a chromosomal c-subunit mutation on succinate minimal medium.
  • (18) Viruses isolated from ticks (Ixodes uriae) from a seabird colony on the Isle of May, Scotland, were shown by complement fixation tests to be related to the Uukuniemi and Kemerovo serogroups.
  • (19) In the present study, the role of antiperipheral nerve myelin antibody (anti-PNM Ab) in demyelination by generating the terminal attack complex (C5b-9) of complement was explored in patients with Guillain-BarrĂ© syndrome (GBS) and other demyelinating neuropathies.
  • (20) The same marker was found in all metaphases from 2 different metastases, but skin fibroblasts from the same patient had a normal chromosome complement.

Expression


Definition:

  • (n.) The act of expressing; the act of forcing out by pressure; as, the expression of juices or oils; also, of extorting or eliciting; as, a forcible expression of truth.
  • (n.) The act of declaring or signifying; declaration; utterance; as, an expression of the public will.
  • (n.) Lively or vivid representation of meaning, sentiment, or feeling, etc.; significant and impressive indication, whether by language, appearance, or gesture; that manner or style which gives life and suggestive force to ideas and sentiments; as, he reads with expression; her performance on the piano has expression.
  • (n.) That which is expressed by a countenance, a posture, a work of art, etc.; look, as indicative of thought or feeling.
  • (n.) A form of words in which an idea or sentiment is conveyed; a mode of speech; a phrase; as, a common expression; an odd expression.
  • (n.) The representation of any quantity by its appropriate characters or signs.

Example Sentences:

  • (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) Similar experimental manipulation has yielded in vitro lines established from avian B-cell lymphomas expressing elevated levels of c-myc or v-rel.
  • (3) When micF was cloned into a high-copy-number plasmid it repressed ompF gene expression, whereas when cloned into a low-copy-number plasmid it did not.
  • (4) We also show that proliferation of primary amnion cells is not dependent on a high c-fos expression, suggesting that the function of c-fos is more likely to be associated with other cellular functions in the differentiated amnion cell.
  • (5) Injection of resistant mice with Salmonella typhimurium did not result in the induction of a population of macrophages that expressed I-A continuously.
  • (6) Stimulation is also observed with mixtures of APC expressing DPw3 and APC expressing A1, and likewise, DPw3+ APC become stimulatory when preincubated with supernatants from A1-positive cells.
  • (7) BL6 mouse melanoma cells lack detectable H-2Kb and had low levels of expression of H-2Db Ag.
  • (8) These studies show that metabolic activation is necessary for the expression of the mutagenic activity of aflatoxins B1 and G1 in N. crassa.
  • (9) We also show that the gene of the main capsid protein is expressed from its own promoter in an Escherichia coli strain.
  • (10) Using the oocyte system to express size-fractionated mRNA, we have also determined that the mRNA coding for this protein is between 1.9-2.4 kilobases in length.
  • (11) Because many wnt genes are also expressed in the lung, we have examined whether the wnt family member wnt-2 (irp) plays a role in lung development.
  • (12) A beta-adrenergic receptor cDNA cloned into a eukaryotic expression vector reliably induces high levels of beta-adrenergic receptor expression in 2-12% of COS cell colonies transfected with this plasmid after experimental conditions are optimized.
  • (13) Four other independent LCMV-GP2(275-289) specific H-2Db-restricted CTL clones also expressed V alpha 4 and V beta 10 gene elements.
  • (14) Maximal yields of lipid and aflatoxin were obtained with 30% glucose, whereas mold growth, expressed as dry weight, was maximal when the medium contained 10% glucose.
  • (15) Recent studies have shown that an aberration in platelet-derived growth factor gene expression is unlikely to be a factor in proliferation of smooth-muscle cells.
  • (16) Thus, human bronchial epithelial cells can express the IL-8 gene, with expression in response to the inflammatory mediator TNF regulated mainly at the transcriptional level, and with elements within the 5'-flanking region of the gene that are directly or indirectly modulated by the TNF signal.
  • (17) In concert with TF expressed by monocytes and macrophages this endothelial cell procoagulant activity may play a role in the pathogenesis of thrombotic disease.
  • (18) The possibility that both IL 2 production and IL 2R expression are autonomously activated early in T cell development, before acquisition of the CD3-TcR complex, led us to study the implication of alternative pathways of activation at this ontogenic stage.
  • (19) A domain containing a CA repeat, similar to ones found in other late, cAMP-induced Dictyostelium genes, is required for cAMP-induced and developmental expression.
  • (20) This study examines the role of sex hormones in modulating the expression of autoimmunity in NZB x NZW F1 mice.