Abstract:
:G2-enriched fractions of Ehrlich ascites tumor cells (up to 80%-85% G2 cells) separated from anaerobically and aerobically cultured asynchronous populations by centrifugal elutriation revealed the same growth characteristics after recultivation under standard conditions: a significant proportion of cells with increased DNA (DNA content greater than 4C) emerged. Interruption of DNA synthesis by deprivation of oxygen may account for polyploidization (over-replication) of DNA but other mechanisms must be taken into consideration.
journal_name
J Cancer Res Clin Oncoljournal_title
Journal of cancer research and clinical oncologyauthors
Kroll C,Schneider Fdoi
10.1007/BF00396389subject
Has Abstractpub_date
1987-01-01 00:00:00pages
298-300issue
3eissn
0171-5216issn
1432-1335journal_volume
113pub_type
杂志文章abstract::The oxazaphosphorine analog ifosfamide (IFO) has demonstrated an increased therapeutic index in a variety of solid tumors and hematologic malignancies compared with its parent compound cyclophosphamide. A fractionated dose schedule over 5 days as continuous infusion in combination with the uroprotective agent sodium-2...
journal_title:Journal of cancer research and clinical oncology
pub_type: 杂志文章
doi:10.1007/BF01613216
更新日期:1991-01-01 00:00:00
abstract:PURPOSE:To investigate the expression of sex steroid receptors in gastric cancer and to correlate their tumor expression profile with the clinicopathological parameters and overall survival of the patients. METHODS:Immunohistochemical methodology was employed in formalin-fixed paraffin-embedded sections from 86 patien...
journal_title:Journal of cancer research and clinical oncology
pub_type: 杂志文章
doi:10.1007/s00432-003-0531-x
更新日期:2004-05-01 00:00:00
abstract::After the gavage of 200 mg N-nitrosodiethylamine per kg body weight only kidney tumors developed while long-term administration of 10 ppm N-nitrosodiethylamine induced esophageal tumors and hepatocellular carcinomas in female rats (SIV 50). This change of the organ-specific carcinogenic effect is not observed in exper...
journal_title:Journal of cancer research and clinical oncology
pub_type: 杂志文章
doi:10.1007/BF00401006
更新日期:1979-10-01 00:00:00
abstract:PURPOSE:Two large, randomized, placebo-controlled trials (IRESSA NSCLC Trial Assessing Combination Therapy; INTACT 1 and 2) in non-small-cell lung cancer (NSCLC) failed to show survival benefit for gefitinib (IRESSA) in combination with first-line platinum-based chemotherapy. Epidermal growth factor receptor (EGFR) sta...
journal_title:Journal of cancer research and clinical oncology
pub_type: 杂志文章
doi:10.1007/s00432-008-0466-3
更新日期:2009-03-01 00:00:00
abstract::Gastric cancer is a major health issue and a leading cause of death worldwide. The results of standard therapy remain unsatisfactory mainly because of diagnosis at the late stage of disease. Innovative strategies such as neoadjuvant chemotherapy in locally advanced cancer have improved the outcome even in operable cas...
journal_title:Journal of cancer research and clinical oncology
pub_type: 杂志文章,评审
doi:10.1007/s00432-008-0425-z
更新日期:2009-01-01 00:00:00
abstract::To examine the relationship between altered spontaneous mutation rates and malignant characteristics of cells, two hydroxyurea-resistant Chinese hamster ovary cell lines, with alterations in ribonucleotide reductase, were examined for their rates of spontaneous mutation to 6-thioguanine and ouabain resistance, tumor g...
journal_title:Journal of cancer research and clinical oncology
pub_type: 杂志文章
doi:10.1007/BF00393331
更新日期:1989-01-01 00:00:00
abstract::Bleomycin was injected i.p. in rats, and the amount of expired ethane which indicates lipid peroxidation was followed up for 78 h. Compared to controls neither 1 x 30 mg/kg and 2 x 30 mg/kg nor 1 x 70 mg/kg bleomycin led to increased ethane expiration, although body weight loss indicated toxicity. That pulmonary toxic...
journal_title:Journal of cancer research and clinical oncology
pub_type: 杂志文章
doi:10.1007/BF00409644
更新日期:1982-01-01 00:00:00
abstract::Osteosarcoma cells derived from patients have been isolated and subsequently cultured for the past 35 years. To date though, there have been no major breakthroughs in the development of a model for osteosarcoma that uses orthotopic implantation of human osteosarcoma cells and that closely emulates the clinical progres...
journal_title:Journal of cancer research and clinical oncology
pub_type: 杂志文章,评审
doi:10.1007/s00432-006-0157-x
更新日期:2007-03-01 00:00:00
abstract::The carcinogenic effectiveness of nitrosomethyl-n-butylamine,-n-hexylamine and -n-heptylamine was compared by administration to F344 rats at various concentrations in drinking water and by gavage in oil. Nitrosomethylbutylamine induced only tumors of the upper gastrointestinal tract, and was very toxic. Nitrosomethylh...
journal_title:Journal of cancer research and clinical oncology
pub_type: 杂志文章
doi:10.1007/BF00402603
更新日期:1983-01-01 00:00:00
abstract:PURPOSE:The functional relationship between promoter hypermethylation and gene inactivation has been demonstrated for few genes only. We examined the promoter methylation status of two important tumor suppressor genes APAF-1 and DAPK-1 in bladder cancer as well as the mRNA expression pattern of these two genes for poss...
journal_title:Journal of cancer research and clinical oncology
pub_type: 杂志文章
doi:10.1007/s00432-006-0174-9
更新日期:2007-06-01 00:00:00
abstract::Cachexia and a decreased immune function are negative prognostic factors for cancer patients. While the decreased immunity results in a greater susceptibility to bacterial infection, the response of the host to the resulting infection is not clear. The experiments reported here were designed to evaluate the toxicity o...
journal_title:Journal of cancer research and clinical oncology
pub_type: 杂志文章
doi:10.1007/BF01240314
更新日期:1997-01-01 00:00:00
abstract:PURPOSE:To assess risk factors of patients with oropharyngeal squamous cell carcinoma in the Munich area of Southern Germany in relation to human papillomavirus (HPV) association of the tumors. To demonstrate differences in tumor characteristics and their impact on adjuvant treatment. METHODS:Between November 2010 and...
journal_title:Journal of cancer research and clinical oncology
pub_type: 杂志文章
doi:10.1007/s00432-014-1631-5
更新日期:2014-06-01 00:00:00
abstract:PURPOSE:Interferon alpha (IFNalpha) has been used in the immunotherapy of renal cell carcinoma (RCC), but the various mechanisms of its antiproliferative effects are poorly understood. Recent evidence suggests that IFNalpha is involved in the up-regulation of multidrug resistance (MDR) gene expression, and that the MDR...
journal_title:Journal of cancer research and clinical oncology
pub_type: 杂志文章
doi:10.1007/s004320050252
更新日期:1999-01-01 00:00:00
abstract:INTRODUCTION:In advanced ovarian cancers (OCs), p53 mutations are frequently observed. The objective of this study was to explore the value of the p53 mutational status, using four different techniques, in advanced OC patients as a predictive marker for responsiveness to platinum-based chemotherapy. METHODS:One hundre...
journal_title:Journal of cancer research and clinical oncology
pub_type: 杂志文章
doi:10.1007/s00432-009-0639-8
更新日期:2010-01-01 00:00:00
abstract::We measured an estrogen-receptor-associated protein (ER-D5), estrogen and progesterone receptors (ER; PgR) in samples obtained from 28 female patients with primary breast carcinoma. A correlation of r = 0.79 was found between ER-D5 and ER values and between ER-D5 and PgR values in premenopausal woman. In postmenopausa...
journal_title:Journal of cancer research and clinical oncology
pub_type: 杂志文章
doi:10.1007/BF00391705
更新日期:1989-01-01 00:00:00
abstract:PURPOSE:To identify crucial molecular alterations of receptor tyrosine kinases that can be used as potential therapeutic targets for eyelid sebaceous gland carcinoma (SbGC). METHODS:The expression levels of HER2, EGFR, C-MET, and FGFR1 were determined by immunohistochemistry (IHC). The copy numbers of the HER2, EGFR, ...
journal_title:Journal of cancer research and clinical oncology
pub_type: 杂志文章
doi:10.1007/s00432-015-2009-z
更新日期:2016-01-01 00:00:00
abstract::Treatment of cultured mammalian cells with hydrogen peroxide results in the production of extensive DNA damage. Strand breakage was produced at the level of either nascent or mature DNA and the former target appeared slightly more resistant than the latter. Although inhibitors of the enzyme poly(ADP-ribose) polymerase...
journal_title:Journal of cancer research and clinical oncology
pub_type: 杂志文章
doi:10.1007/BF01211801
更新日期:1992-01-01 00:00:00
abstract::In this study we investigated the presence of epidermal growth factor receptors (EGF-R) and the tissue levels of EGF-like factors (EGF-F) in ovarian, endometrial, cervical and breast carcinomas. EGF-R were found in 33/40 (83%) cervical, 15/26 (58%) endometrial, 64/141 (45%) ovarian, and 19/59 (33%) breast carcinomas. ...
journal_title:Journal of cancer research and clinical oncology
pub_type: 杂志文章
doi:10.1007/BF00397923
更新日期:1989-01-01 00:00:00
abstract:PURPOSE:Adenovirus (Ads) is one of the most popular vectors used in gene therapy for the treatment of cancer. However, systemic therapy is limited by circulating antiviral antibodies and poor viral delivery in vivo. In this study, we used cytokine-induced killer (CIK) cells as delivery vehicles of Ads KGHV500 carrying ...
journal_title:Journal of cancer research and clinical oncology
pub_type: 杂志文章
doi:10.1007/s00432-019-02857-8
更新日期:2019-05-01 00:00:00
abstract:PURPOSE:Serum low molecular weight protein biomarkers might be important in relation to portal vein tumor thrombi (PVTT) in hepatocellular carcinoma (HCC). This study aimed to screen and to detect these biomarkers. METHODS:We selected sera of 3 groups from 12 healthy volunteers, 12 HCC patients without PVTT and 12 HCC...
journal_title:Journal of cancer research and clinical oncology
pub_type: 杂志文章
doi:10.1007/s00432-007-0236-7
更新日期:2008-03-01 00:00:00
abstract:PURPOSE:Patterns of locoregional rectal cancer recurrences following total mesorectal excision (TME) were analyzed to define the irradiation volume, especially the lateral pelvic lymph node (LPLN). MATERIALS AND METHODS:Of 1243 patients who underwent TME without pelvic radiotherapy between 2005 and 2012, the data of 8...
journal_title:Journal of cancer research and clinical oncology
pub_type: 杂志文章
doi:10.1007/s00432-018-2624-6
更新日期:2018-06-01 00:00:00
abstract:PURPOSE:MicroRNAs are small, non-coding RNAs that are critical regulators of various diseases including cancer, and may represent a novel class of cancer biomarkers. Recent reports have highlighted the oncogenic aspects of miR-125b. However, the level and clinical relevance of circulating miR-125b transcripts in human ...
journal_title:Journal of cancer research and clinical oncology
pub_type: 杂志文章
doi:10.1007/s00432-012-1285-0
更新日期:2012-12-01 00:00:00
abstract:PURPOSE:RhoA and RhoC are closely related, small GTPases that are clearly involved in breast cancer tumorigenesis. Nonetheless, their specific roles in the control of estrogen receptor alpha (ERα) activities have not been elucidated. METHODS:We used siRNA sequences to specifically down-regulate RhoA and RhoC expressio...
journal_title:Journal of cancer research and clinical oncology
pub_type: 杂志文章
doi:10.1007/s00432-013-1533-y
更新日期:2013-12-01 00:00:00
abstract:PURPOSE:Investigation of cell migration and proliferation of human glioma cell line spheroids (CLS) and evaluation of morphology, apoptosis, and immunohistochemical expression of MIB-1, p53, and p21 of organotypic muticellular spheroids (OMS) following cisplatin (CDDP) and irradiation (RT). MATERIAL AND METHODS:Sphero...
journal_title:Journal of cancer research and clinical oncology
pub_type: 杂志文章
doi:10.1007/s00432-005-0014-3
更新日期:2005-11-01 00:00:00
abstract:PURPOSE:This study was to investigate whether the topoisomerase (Top) I inhibitor topotecan and the Top II inhibitor etoposide could modulate the hypoxia-induced HIF-1alpha expression in non-small cell lung cancer (NSCLC) cell lines. METHODS:Hypoxic conditions were maintained in a humidified airtight anaerobic incubat...
journal_title:Journal of cancer research and clinical oncology
pub_type: 杂志文章
doi:10.1007/s00432-009-0543-2
更新日期:2009-08-01 00:00:00
abstract:PURPOSE:Oxidative stress is considered a risk factor for prostate cancer development and is associated with the production of reactive oxygen species (ROS). The base excision repair gene MYH protects against ROS-mediated damage to DNA. Inherited MYH mutations predispose to colorectal adenomas and cancer. A compromised ...
journal_title:Journal of cancer research and clinical oncology
pub_type: 杂志文章
doi:10.1007/s00432-006-0181-x
更新日期:2007-06-01 00:00:00
abstract::A total of 30 inbred Wistar rats were orally administered 70 microgram/ml solution of N-methyl-N'-nitro-N-nitrosoguanidine (MNNG) for 35 weeks and then tap water for the following 20 to 30 weeks. Four of the 20 females and two of ten males developed carcinoids in the glandular stomach, but no metastasis could be found...
journal_title:Journal of cancer research and clinical oncology
pub_type: 杂志文章
doi:10.1007/BF00405896
更新日期:1981-01-01 00:00:00
abstract::Chemically induced (autochthonous) tumors in the rodent are thought to be the best models at hand to obtain results transferable to the clinical situation. Four different autochthonous tumor models: 1,2-dimethylhydrazine, N-methylnitrosourea (MNU), N-methyl-N-nitro-nitrosoguanidine (MNNG), and N-nitroso-acetoxymethyl-...
journal_title:Journal of cancer research and clinical oncology
pub_type: 杂志文章
doi:10.1007/BF00400756
更新日期:1986-01-01 00:00:00
abstract::The aim of this study was to correlate chemotherapy-induced nausea and vomiting (CINV) with commonly occurring single nucleotide polymorphisms (SNP) in the 5-hydroxytryptamine receptor 3 genes (HTR3). Women with breast cancer without previous chemotherapy were eligible for this prospective study. All patients received...
journal_title:Journal of cancer research and clinical oncology
pub_type: 杂志文章
doi:10.1007/s00432-008-0387-1
更新日期:2008-10-01 00:00:00
abstract::After cure of rat leukemia L 5222 in 79 BD IX rats by single doses of 1,3-bis(2-chloroethyl)-1-nitrosourea (BCNU) or 1-(2-hydroxyethyl)-3-(2-chloroethyl)-3-nitrosourea (Hydroxyethyl-CNU) a total of 9 rats (11%) developed secondary malignomas. ...
journal_title:Journal of cancer research and clinical oncology
pub_type: 杂志文章
doi:10.1007/BF00411113
更新日期:1979-09-01 00:00:00