Abstract:
:The role of natural immune defense in the control of metastatic spread of tumor cells was evaluated by adapting an s.c.-grown, antigenic, but non-immunogenic rat fibrosarcoma (Bsp6S) to ascitic growth (BSp6A) in the strain of origin (BDX), where peritoneal cells display a high level of NK and macrophage activity. Parallel tests were performed to determine whether tumor cells can selectively adapt to non-specific immune defense, i.e. whether antigenicity of the non-immunogenic tumor remains unaltered, and whether this is accompanied by metastatic progression. During adaptation to ascitic growth the tumor line gradually lost susceptibility to NK cells and macrophages. This was due to the appearance of an increasing number of resistant clones (BSp6S, none; BSp6A, 50% of clones), which had lost binding structures for NK cells and macrophages. No alteration could be observed in antigenicity of the BSp6A variant as revealed by clonal analysis using LD of CTL. Neither BSp6S nor BSp6A cells metastasized. When the ascitic variant was retransplanted s.c. (BSp6AS), susceptibility to NK cells and macrophages was further decreased, in the sense that all clones of the BSp6AS variant became resistant. Furthermore, the BSp6AS variant had lost some of the tumor-associated antigens (TAAs) found on BSp6S and A variants. More important, upon s.c. transplantation BSp6AS regularly metastasized to the draining LN, contrary to BSp6S and BSp6A. When locally growing tumors were excised, rats implanted with BSp6AS frequently died with metastatic tumor burdens in LNs and lung, while other animals survived after excision of BSp6S or BSp6A. The data indicate a correlation between resistance to lysis, morphology and metastatic capacity. But the initial loss of susceptibility to NK cells and macrophages during adaptation to ascitic growth, which can be considered as an escape mechanism, was not accompanied by increased metastatic capacity. Hence, we suppose that with respect to metastatic progression of the BSp6AS variant, resistance to lysis by loss of binding structures represents only a secondary, but not a causative, element.
journal_name
Int J Cancerjournal_title
International journal of cancerauthors
Zöller Mdoi
10.1002/ijc.2910370119subject
Has Abstractpub_date
1986-01-15 00:00:00pages
115-22issue
1eissn
0020-7136issn
1097-0215journal_volume
37pub_type
杂志文章abstract::Since it is difficult to predict the probability of persistent teratoma or of a viable tumor in patients with normalized tumor markers and a normal CT scan following chemotherapy for advanced stage testis cancer, recommendations regarding adjunctive surgery have ranged from observation to surgical exploration for all ...
journal_title:International journal of cancer
pub_type: 杂志文章,评审
doi:10.1002/(sici)1097-0215(19991210)83:6<852::aid-ijc
更新日期:1999-12-10 00:00:00
abstract::Data on the incidence of 15 cancers in the Jewish population of Israel from the period 1961-1981 have been studied with emphasis on the risk of disease in relation to birthplace, calendar time, and duration of residence in Israel. The results show wide variations in incidence by birthplace, from less than 2-fold for p...
journal_title:International journal of cancer
pub_type: 杂志文章
doi:10.1002/ijc.2910450407
更新日期:1990-04-15 00:00:00
abstract::HER3 (ERBB3) is a catalytically inactive pseudokinase of the HER receptor tyrosine kinase family, frequently overexpressed in prostate and other cancers. Aberrant expression and mutations of 2 other members of the family, EGFR and HER2, are key carcinogenic events in several types of tumors, and both are well- validat...
journal_title:International journal of cancer
pub_type: 杂志文章
doi:10.1002/ijc.24651
更新日期:2009-12-01 00:00:00
abstract::Regulatory T cells (Treg) mediate amelioration of disease and immune homeostasis by inhibiting immune activation and maintaining peripheral immune tolerance. The suppressive mechanisms and clinical significance of Treg have not been completely elucidated in patients with acute myeloid leukemia (AML). Here, we demonstr...
journal_title:International journal of cancer
pub_type: 杂志文章
doi:10.1002/ijc.25791
更新日期:2011-09-15 00:00:00
abstract::The detection of CTCs prior to and during therapy is an independent and strong prognostic marker, and it is predictive of poor treatment outcome. A major challenge is that different technologies are available for isolation and characterization of CTCs in peripheral blood (PB). We compare the CellSearch system and Adna...
journal_title:International journal of cancer
pub_type: 临床试验,杂志文章
doi:10.1002/ijc.26111
更新日期:2012-04-01 00:00:00
abstract::Desmoids represent the most important cause of death, after colorectal cancer, in patients affected with familial adenomatous polyposis (FAP), an inherited disease due to mutations in the APC gene. The aims of our study were to estimate the risk of developing desmoids in FAP patients and to evaluate the association be...
journal_title:International journal of cancer
pub_type: 杂志文章
doi:10.1002/1097-0215(20010320)95:2<102::aid-ijc1018>3
更新日期:2001-03-20 00:00:00
abstract::An important method for silencing tumor suppressor genes in cancers is by aberrant methylation (referred to as methylation) of CpG islands in gene promoter regions. In lung cancer, methylation of the genes retinoic acid receptor beta-2 (RARbeta-2), CDH13 (H-cadherin), p16(INK4a) (p16), RASSF1A (RAS association domain ...
journal_title:International journal of cancer
pub_type: 杂志文章
doi:10.1002/ijc.11458
更新日期:2003-11-20 00:00:00
abstract::We have previously reported that losses of genomic material from the long arm of chromosome 18 are frequent in atypical and anaplastic meningiomas but rare in benign meningiomas. In the present study, we have investigated a series of 37 meningiomas for mutation and expression of 4 tumor suppressor genes (MADH2, MADH4,...
journal_title:International journal of cancer
pub_type: 杂志文章
doi:10.1002/ijc.1219
更新日期:2001-05-15 00:00:00
abstract::The Ontario Cancer Registry (OCR) and the Surveillance, Epidemiology and End Results (SEER) databases were used to describe temporal trends in the incidence and survival of squamous cancers of the upper aerodigestive tract (UADT) in Ontario and the US between 1984 and 2001. Between the 1984-86 and 1999-01 periods, the...
journal_title:International journal of cancer
pub_type: 杂志文章
doi:10.1002/ijc.24533
更新日期:2009-11-01 00:00:00
abstract::Esophageal squamous-cell neoplasia (ESCN) is a common second primary neoplasia found in patients with head-and-neck squamous-cell carcinoma (HNSCC). This study sought to identify the risk factors for synchronous ESCN and how they influence survival in HNSCC patient. Eight hundred and fifteen incident HNSCC patients we...
journal_title:International journal of cancer
pub_type: 杂志文章
doi:10.1002/ijc.30911
更新日期:2017-11-15 00:00:00
abstract::The predictive effect of circulating tumor DNA (ctDNA) in colorectal cancer (CRC) treatment is still highly discussed. The primary objective of our study was to investigate a possible prognostic/predictive value of ctDNA under regorafenib treatment. This prospective multicenter translational biomarker phase II pilot s...
journal_title:International journal of cancer
pub_type: 杂志文章
doi:10.1002/ijc.33303
更新日期:2021-03-15 00:00:00
abstract::Faecal occult blood test (FOBT) screening for colorectal cancer (CRC) is implemented in several countries. Approximately half of all screen positive persons have negative colonoscopy, but consensus is lacking on how these persons should be followed up. Health authorities in Denmark and The Netherlands recommend suspen...
journal_title:International journal of cancer
pub_type: 杂志文章
doi:10.1002/ijc.30756
更新日期:2017-08-01 00:00:00
abstract::The neural crest gives rise to a variety of tissues, including peripheral neurons, Schwann cells, melanocytes and ectomesenchymal cells, which include the smooth-muscle cells of large arteries. Cell lines derived from neuroblastoma (a neural-crest tumor) exhibit at least 2 distinct morphological cell types, a neurobla...
journal_title:International journal of cancer
pub_type: 杂志文章
doi:10.1002/ijc.2910480221
更新日期:1991-05-10 00:00:00
abstract::V-ATPases are proton-translocating enzymes, which are found not only in numerous intracellular organelles but also in the plasma membranes of many eukaryotic cells. Using differential display, we have identified one of the proton pump subunit genes, ATP6C, as a cisplatin-inducible gene. Northern blot analysis demonstr...
journal_title:International journal of cancer
pub_type: 杂志文章
doi:10.1002/ijc.1418
更新日期:2001-09-01 00:00:00
abstract::The possibility that women, who receive breast implants for cosmetic purposes, have increased long-term risks of developing cancer continues to be debated. The objective of our study was to prospectively examine cancer incidence among women who received breast implants. A cohort was assembled of 24,558 women, 18 years...
journal_title:International journal of cancer
pub_type: 杂志文章
doi:10.1002/ijc.21711
更新日期:2006-06-01 00:00:00
abstract::Persistent infection with high-risk human papillomavirus (HPV) is central to cervical carcinogenesis. Certain high-risk types, such as HPV16, may be more persistent than other HPV types, and type-specific HPV persistence may differ by HIV serostatus. This study evaluated the association between HPV type and clearance ...
journal_title:International journal of cancer
pub_type: 杂志文章
doi:10.1002/ijc.22015
更新日期:2006-10-01 00:00:00
abstract::It is well known that the functions of reproductive organs are regulated by sex steroids and their receptors and it is hypothesized that the progression of neoplasms that originate from the reproductive organs is influenced by them. However, the correlation between sex steroids and tumor progression, especially tumor ...
journal_title:International journal of cancer
pub_type: 杂志文章
doi:10.1002/ijc.10504
更新日期:2002-08-01 00:00:00
abstract::A panel of monoclonal antibodies and other markers (e.g., terminal deoxynucleotidyl transferase, sheep erythrocyte rosettes, peanut agglutinin) have been used in conjunction with flow cytometry and biochemical analysis to monitor the induction of maturation in human thymic (T) leukaemic cell lines by phorbol ester (TP...
journal_title:International journal of cancer
pub_type: 杂志文章
doi:10.1002/ijc.2910290106
更新日期:1982-01-15 00:00:00
abstract::When effector cells from most individuals are tested directly against a number of target cells for cell-mediated cytotoxicity, most of the reactivity is non-selective. This apparent non-selectiveness is a result of specific activity against multiple antigens on target cells by each effector suspension. The specific re...
journal_title:International journal of cancer
pub_type: 杂志文章
doi:10.1002/ijc.2910190603
更新日期:1977-06-15 00:00:00
abstract::Telomerase, the enzyme responsible for maintenance of the telomeres, is absent from the vast majority of somatic cells but is present in most tumours. Little is known about how telomerase is activated in cancer, although it is thought vital for immortalisation to occur. The aim of our study was to identify genetic cha...
journal_title:International journal of cancer
pub_type: 杂志文章
doi:10.1002/(sici)1097-0215(19991022)84:5<516::aid-ijc
更新日期:1999-10-22 00:00:00
abstract::Serum vitamin D3-binding protein (Gc protein) is the precursor for the principal macrophage activating factor (MAF). The MAF precursor activity of serum Gc protein of breast cancer patients was lost or reduced because Gc protein was deglycosylated by serum alpha-N-acetylgalactosaminidase (Nagalase) secreted from cance...
journal_title:International journal of cancer
pub_type: 杂志文章,收录出版
doi:10.1002/ijc.23107
更新日期:2008-01-15 00:00:00
abstract::The EMS1 gene encodes an 80/85 kDa c-src substrate and localises with the CCND1 gene to chromosome 11q13. This locus is amplified in approximately 13% of human breast cancers. EMS1 gene amplification and expression were characterised in a panel of human breast cancer cell lines to determine at what levels expression i...
journal_title:International journal of cancer
pub_type: 杂志文章
doi:10.1002/(SICI)1097-0215(19961115)68:4<485::AID-IJC
更新日期:1996-11-15 00:00:00
abstract::Metastasis to the liver often occurs in patients during the natural course of pancreatic cancer. Using carcinoma cell lines established from 9 such patients, we examined phenotypes of cell lines to search for correlations with their potential to metastasize to the liver. Anti-asialo GMI-treated nude mice were used. PC...
journal_title:International journal of cancer
pub_type: 杂志文章
doi:10.1002/(SICI)1097-0215(19960822)69:4<290::AID-IJC
更新日期:1996-08-22 00:00:00
abstract::Fibrin deposition in the microenvironment of tumor cells may be critical to tumor growth and metastasis formation. Procoagulant activities of tumor cells themselves, or of infiltrating macrophages, activated by the host's immune system to the tumor, may both contribute to coagulopathies associated with metastases. Lym...
journal_title:International journal of cancer
pub_type: 杂志文章
doi:10.1002/ijc.2910370506
更新日期:1986-05-15 00:00:00
abstract::Cancer-germline genes (CGGs) code for immunogenic antigens that are present on various human tumors but not on normal tissues. The importance of CGGs in cancer immunotherapy has led to detailed studies of their expression in a range of human tumors. We measured the levels of expression of 12 CGGs in various pediatric ...
journal_title:International journal of cancer
pub_type: 杂志文章
doi:10.1002/ijc.22118
更新日期:2007-01-01 00:00:00
abstract::PAX3 encodes a transcription factor, which with Zic1 is necessary for induction of the neural crest during early embryonic development. There are 7 human PAX3 isoforms (a-h). PAX3e is the full length isoform comprising 10 exons. PAX3c comprises 8 exons plus 5 codons of intron 8, while PAX3g has a truncated transactiva...
journal_title:International journal of cancer
pub_type: 杂志文章
doi:10.1002/ijc.22316
更新日期:2007-03-15 00:00:00
abstract::Barrett's esophagus (BE) is a metaplastic condition caused by chronic gastroesophageal reflux which represents an early step in the development of esophageal adenocarcinoma (EAC). Single-nucleotide polymorphism microarray (SNP-chip) analysis is a novel, precise, high-throughput approach to examine genomic alterations ...
journal_title:International journal of cancer
pub_type: 杂志文章
doi:10.1002/ijc.24620
更新日期:2009-11-15 00:00:00
abstract::Immune checkpoint inhibition leads to response in some patients with head and neck squamous cell carcinoma (HNSCC). Robust biomarkers are lacking to date. We analyzed viral status, gene expression signatures, mutational load and mutational signatures in whole exome and RNA-sequencing data of the HNSCC TCGA dataset (n ...
journal_title:International journal of cancer
pub_type: 杂志文章
doi:10.1002/ijc.33123
更新日期:2020-10-15 00:00:00
abstract::MYCN and insulin-like growth factor (IGF) system are important for the pathogenesis and development of neuroblastoma. We previously reported evidence of a direct linkage between MycN and the IGF system in KP-N-RT human neuroblastoma cells, where IGF-I induced both MycN expression at the RNA level and G1-S cell cycle p...
journal_title:International journal of cancer
pub_type: 杂志文章
doi:10.1002/ijc.10914
更新日期:2003-03-20 00:00:00
abstract::In the present study we examined the expression of concanavalin-A(Con-A)-like molecules on natural-killer (NK)-sensitive target cells and investigated their possible role in the human NK-cell phenomenon. The incubation of either peripheral-blood lymphocytes (PBL) or large granular lymphocytes (LGL) with swainsonine (S...
journal_title:International journal of cancer
pub_type: 杂志文章
doi:10.1002/ijc.2910520428
更新日期:1992-10-21 00:00:00