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  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Immunogenetics 10 (1980), S. 235-246 
    ISSN: 1432-1211
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Abstract Production of indirect TNP-specific plaque-forming cells (PFC) in response to immunization with 2, 4, 6-trinitrophenyl (TNP) conjugated to autogenous mouse serum albumin (MSA) in complete Freund's adjuvant (CFA) is underH-2 control. On the C57BL/10 (B10) background,H-2 b andH-2 d strains of mice are high responders, whereasH-2 a ,H-2 k orH-2 y2 strains yield low levels of indirect TNP-specific PFC. An unusual pattern of inheritance has been revealed in B10 congenic mice: high responsiveness controlled byH-2 b is inherited recessively, while high responsiveness controlled byH-2 d is inherited dominantly. On the C3H and A strain backgrounds, high responsiveness controlled byH-2 b is partially recessive;H-2 b /H-2 a F1 mice respond with 20%-40% of the high responderH-2 b response. Yet, high responsiveness controlled by theH-2 d haplotype remains dominant on the C3H background. A hierarchy of haplotypes in order of decreasing immune responsiveness to TNP-MSA is evident as follows:H-2 d 〉H-2 b 〉H-2 k ,H-2 a orH-2 y2 . The unusual patterns of inheritance in the TNP-MSA system reveal graded regulation of responsiveness attributable to bothH-2 and non-H-2 genes.
    Type of Medium: Electronic Resource
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  • 2
    ISSN: 1432-1211
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Abstract The antibody response to the hapten 2,4,6-trinitrophenyl (TNP) conjugated to autogenous mouse serum albumin (MSA) is regulated by anIr gene(s) located within the major histocompatibility complex (MHC). Both the qualitative and quantitative ability of congenic strains to produce TNP-specific antibodies are functions of theH-2 haplotype. Thus, mouse strains may be classified as high (H-2 d), intermediate (H-2 b,H-2 s), and low responders (H-2 a,H-2 k,H-2 n,H-2 p,H-2 q). Antibody responses, as measured by antigen-binding capacities in modified Farr assays, were compared among strains carrying recombinantH-2 haplotypes and their hybrid progenies. Distinct high- and low-responder phenotypes were evident throughout the time course of both primary and secondary antibody responses. The gene locus controlling specific responsiveness to TNP-MSA, now designatedIr-6, was mapped within theI-B subregion of theH-2 complex. Recessive inheritance of high responsiveness was confirmed in hybrid progenies of three different low × high-responder crosses.
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Annals of the New York Academy of Sciences 685 (1993), S. 0 
    ISSN: 1749-6632
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Natural Sciences in General
    Type of Medium: Electronic Resource
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  • 4
    ISSN: 1432-1335
    Keywords: Key words Melanoma ; Interferon ; Biochemotherapy
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract The therapeutic benefit of adding interferon α (IFNα) to established single-agent and combination chemotherapy regimens for the treatment of metastatic melanoma has not been proven. We designed the present study to estimate the response rate of IFNα, dacarbazine, cisplatin and tamoxifen in patients who had not been treated with systemic therapy for advanced disease. Using a schedule similar to that which had previously been shown to favor IFNα plus dacarbazine over dacarbazine alone, we treated patients with an “induction” regimen of IFNα, 15 mU m−2 day−1 intravenously 5 days/week for 3 weeks. Following induction, schedules of IFNα, 5 mU m−2 day−1 subcutaneously three times a week, and tamoxifen, 10 mg orally twice a day, were begun. Dacarbazine, 250 mg m−2 day−1 and cisplatin 33 mg m−2 day−1 for 3 consecutive days were repeated every 4 weeks, and subcutaneous IFNα and oral tamoxifen were continued until the discontinuation of chemotherapy. We treated 25 patients (18 men and 7 women, median age 52 years) and observed only 1 objective response (response rate 4%, 95% confidence interval 0.1%–20%). The toxicities of the regimen consisted of moderate myelosuppression and constitutional side-effects. On the basis of the low antitumor activity of this regimen, we do not recommend it for further study or for use as standard therapy of metastatic melanoma.
    Type of Medium: Electronic Resource
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  • 5
    ISSN: 1573-2592
    Keywords: Interleukin-2 ; lymphokine-activated killer (LAK) cells ; neuropeptides ; mediators ; cancer
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Administration of intravenous interleukin-2 (IL-2), followed by intraperitoneal IL-2 and autologous lymphokine-activated killer (LAK) cells to six patients with colonic, ovarian, or endometrial carcinoma restricted to peritoneal spread increased significantly the ascitic fluid concentrations of the neuropeptides substance P (SP) and calcitonin-gene related peptide (CGRP). After intravenous IL-2 alone, the level of SP rose 10- to 140-fold, without a change in that of CGRP. Intraperitoneal IL-2 and LAK cells led to elevations in the concentrations of SP and CGRP to respective maximal means of 319 and 175 pM after 8 hr, which were maintained for 24–48 hr without alterations in the levels of vasoactive intestinal peptide or somatostatin. SP and CGRP from peritoneal fluid were chromatographically indistinguishable from synthetic neuropeptides. The increases in concentrations of SP and CGRP after IL-2 and LAK-cell therapy are the first demonstration of a neural response to a human cellular immunological reaction. The time course and magnitude of the neuropeptide response suggest a role in the vascular side effects of this form of treatment.
    Type of Medium: Electronic Resource
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  • 6
    Electronic Resource
    Electronic Resource
    Springer
    Breast cancer research and treatment 59 (2000), S. 41-48 
    ISSN: 1573-7217
    Keywords: breast cancer ; bcg-1 ; L19 ; L34 ; MAGE-like ; MLN70 ; subtractive hybridization
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract A number of approaches have been used to identify genes important in breast cancer. In one approach the genes already shown to be involved in other tumors, such as p53 and Her2neu, were examined. A second approach examined genes detected through genetic screening of families with a high incidence of breast cancer, for example, BRCA-1 and BRCA-2. We used a third approach, subtractive hybridization, to identify and clone genes that were preferentially expressed in breast cancer cells compared to normal mammary epithelium. Instead of analyzing breast cancer cell lines, we examined fresh human breast cancer specimens. By subtracting normal mammary epithelial cDNA from breast cancer cDNA, we were able to clone several genes overexpressed in breast cancer. Two of these genes, L19 and MLN70, were previously reported to be overexpressed in breast cancer. Three of these genes, L19, L34, and MLN70, were localized to a region on chromosome 17 where Her2/neu and BRCA-1 are found. In addition, we isolated a gene we call breast cancer associated gene-1 that was expressed almost exclusively in fresh breast cancer tissue and not in normal mammary epithelium or breast cancer cell lines. We were unable to detect expression of breast cancer associated gene-1 in cell lines from melanoma, renal cell carcinoma, lymphoma, or leukemia. The full-length sequence from two separate breast cancer specimens revealed one amino acid difference compared to the sequence from normal breast epithelial tissue. Further studies are necessary to determine whether these genes contribute to breast cancer development or can be used as therapeutic targets.
    Type of Medium: Electronic Resource
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  • 7
    Electronic Resource
    Electronic Resource
    New York, NY [u.a.] : Wiley-Blackwell
    Journal of Cellular Physiology 134 (1988), S. 85-92 
    ISSN: 0021-9541
    Keywords: Life and Medical Sciences ; Cell & Developmental Biology
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Biology , Medicine
    Notes: The Daudi B lymphoblastoid cell line was previously demonstrated to be highly sensitive to the antiproliferative effect of recombinant interferon-αA (rlFN-α). In the present study, glucocorticoid hormones were shown to act synergistically with rlFN-α to further increase the sensitivity of Daudi cells to rlFN-α.At 106M, dexamethasone, prednisolone, or hydrocortisone alone had little effect on Daudi cell growth, but they greatly potentiated the antiproliferative activity of rlFN-α. The synergy between rlFN-α and glucocorti-coids on Daudi cells was not related to the inhibitory effects of glucocorticoids on prostaglandin or leukotriene synthesis, since no synergy was observed between rlFN-α and indomethacin or nordihydroguaiaretic acid. Glucocorticoids and rlFN-α also had appreciable synergistic antiproliferative effects on two out of five other IFN-sensitive lymphoid cell lines. When Raji B lymphoblastoid cells, which were quite resistant to the antiproliferative effect of rlFN-α, were treated with the combination of glucocorticoids and rlFN-α, no significant synergistic effects were observed. The synergistic antiproliferative effects of glucocorticoids and rlFN-α observed with some IFN-sensitive lymphoid cell lines in this in vitro study may have clinical relevance in the treatment of certain lymphoid malignancies that are sensitive to rlFN-α therapy.
    Additional Material: 5 Ill.
    Type of Medium: Electronic Resource
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