Abstract:
PURPOSE:To investigate the antitumor effects of tyroserleutide (tyrosyl-seryl-leucine, YSL) on human Bel7402 hepatocarcinoma in vitro and in vivo, with preliminary exploration of its antitumor mechanism. METHODS:MTT was used to observe the anticarcinogenic effects of YSL on human hepatocarcinoma Bel7402 cells in vitro. The ultrastructure of tumor cells was observed by electron microscopy. Nude mice bearing xenografts of human hepatocarcinoma Bel7402 were given daily i.p. injections of YSL or saline and an admixture of amino acids as controls, after tumor implantation. The inhibition of xenografts was determined by calculating the tumor volume and measuring tumor weight. The effects of YSL on the cell cycle and apoptosis of Bel7402 cells were determined by flow cytometry, and the effects on the ultrastructure of the cells by electron microscopy. Terminal deoxynucleotidyl transferase-mediated dUTP nick end labeling (TUNEL) and proliferating-cell nuclear antigen (PCNA) immunohistochemical staining were used to investigate apoptosis in tumor tissue in nude mice. RESULTS:In vitro YSL inhibited the proliferation of human Bel7402 tumor cells and changed their ultrastructure, resulting in the necrosis and apoptosis of the tumor cells. YSL at 80, 160, or 320 microg/kg/d inhibited tumor growth in nude mice by 40.26, 64.17, and 59.19%, respectively, which are significantly lower than the inhibition exerted by saline and an admixture of YSL amino acids (P<0.05). The ultrastructure and cell cycle of human hepatocarcinoma Bel7402 cells were changed by treatment with YSL, with a rate of apoptosis higher than that of the control group. TUNEL and PCNA analysis showed that YSL inhibited the proliferation of tumor cells and induced apoptosis at the level of the cell. CONCLUSIONS:YSL significantly inhibited human hepatocarcinoma Bel7402 growth in vitro and in vivo. The growth inhibition of the tumor may involve necrosis and apoptosis of the tumor induced by YSL.
journal_name
Cancer Chemother Pharmacoljournal_title
Cancer chemotherapy and pharmacologyauthors
Lu R,Jia J,Bao L,Fu Z,Li G,Wang S,Wang Z,Jin M,Gao W,Yao Zdoi
10.1007/s00280-005-0046-zkeywords:
subject
Has Abstractpub_date
2006-01-01 00:00:00pages
248-56issue
2eissn
0344-5704issn
1432-0843journal_volume
57pub_type
杂志文章abstract:PURPOSE:Mammalian target of rapamycin (mTOR) inhibitors like temsirolimus may result in undesirable AKT upregulation. Metformin inhibits mTOR through different mechanisms and may enhance temsirolimus's antitumor activity. We conducted an open-label phase I dose escalation trial of this drug combination in patients with...
journal_title:Cancer chemotherapy and pharmacology
pub_type: 杂志文章
doi:10.1007/s00280-016-3009-7
更新日期:2016-05-01 00:00:00
abstract::To obtain a clearer definition of the relationship between the structure of BCNU and CCNU and their antitumor activity, we determined the uptake, distribution, and tissue/plasma partition ratios of both compounds in normal organs and intracerebral (ic) 9L tumors in rats. Greater uptake, distribution, and tissue/plasma...
journal_title:Cancer chemotherapy and pharmacology
pub_type: 杂志文章
doi:10.1007/BF00257156
更新日期:1978-01-01 00:00:00
abstract::Purified human leukocyte interferon produced by recombinant techniques (IFN-alpha A) was tested in vitro with chemotherapeutic drugs, vinblastine (VLB), vincristine (VCR), vindesine (VDS), vinzolidine (VZL), cis-platinum (PLAT), doxorubicin (DOXO), etoposide (VP-16), and melphalan (MEL). The activity of these agents a...
journal_title:Cancer chemotherapy and pharmacology
pub_type: 杂志文章
doi:10.1007/BF00255753
更新日期:1983-01-01 00:00:00
abstract:PURPOSE:The dolastatins are a class of naturally occurring cytotoxic peptides which function by inhibiting microtubule assembly and tubulin polymerization. Cemadotin is a synthetic analogue of dolastatin 15 with potent antiproliferative and preclinical antitumor activity. This report describes a phase I study to evalua...
journal_title:Cancer chemotherapy and pharmacology
pub_type: 临床试验,杂志文章
doi:10.1007/s002800000152
更新日期:2000-01-01 00:00:00
abstract::Activation of programmed death-1 (PD-1) and cytotoxic T-lymphocyte antigen-4 (CTLA-4) on T cells leads to T cell exhaustion and ultimately facilitates tumor progression. Recent success of using immune cell checkpoint inhibitors offers a great promise to treat various cancers, including bladder cancer. However, the exp...
journal_title:Cancer chemotherapy and pharmacology
pub_type: 杂志文章
doi:10.1007/s00280-019-03800-x
更新日期:2019-05-01 00:00:00
abstract::Experimental data suggest that multidrug resistance in cancer may be overcome by using an increased dose of anticancer agent(s) in combination with a resistance-modifying agent (RMA). We studied the pharmacokinetics and metabolism of both epirubicin (EPI) and verapamil (VPL) to explore the possible pharmacokinetic int...
journal_title:Cancer chemotherapy and pharmacology
pub_type: 杂志文章
doi:10.1007/BF00686150
更新日期:1993-01-01 00:00:00
abstract::Two studies were carried out (A and B) in order to assess the effectiveness of ifosfamide administered with mesna (IFO/M) in the treatment of small cell lung cancer. The first study (A) was a cross-over study; the second (B) was a randomized trial, and in B IFO/M was evaluated earlier in the course of the disease. IFO...
journal_title:Cancer chemotherapy and pharmacology
pub_type: 临床试验,杂志文章,随机对照试验
doi:10.1007/BF00647447
更新日期:1986-01-01 00:00:00
abstract::Eighteen previously untreated patients with advanced unresectable or metastatic soft-tissue sarcomas (STS) and two patients with locally invasive thymoma were treated with a combination of adriamycin (ADM) 80 mg/m2 on day 1 and cis-platinum (DDP) 120 mg/m2 on day 1. The regimen was repeated at 4-weeks intervals. In ST...
journal_title:Cancer chemotherapy and pharmacology
pub_type: 杂志文章
doi:10.1007/BF00257118
更新日期:1984-01-01 00:00:00
abstract::This report describes the physicochemical and pharmacokinetic parameters of seven chlorambucil esters, which were compared with those of chlorambucil. These esters were designed as chlorambucil prodrugs to increase the brain penetration and concentration vs time profile of chlorambucil within the CNS for potential tre...
journal_title:Cancer chemotherapy and pharmacology
pub_type: 杂志文章
doi:10.1007/BF00686229
更新日期:1990-01-01 00:00:00
abstract:PURPOSE:Poly(ADP-ribose) polymerase-1 (PARP-1) is a nuclear enzyme important in DNA repair. PARP-1 activation at points of DNA strand break results in poly(ADP-ribose) polymer formation, opening the DNA structure, and allowing access of other repair enzymes. CEP-9722 inhibits PARP-1 and PARP-2 and is designed to potent...
journal_title:Cancer chemotherapy and pharmacology
pub_type: 杂志文章,多中心研究
doi:10.1007/s00280-014-2486-9
更新日期:2014-08-01 00:00:00
abstract::Cultures of human colon carcinoma, HCT-8, were treated with millimolar concentrations of thymidine by different schedules designed to cytokinetically and biochemically modulate methotrexate (MTX) and 5-fluorouracil (FUra) toxicity. Thymidine (dThd)-synchronized HCT-8 cells monitored by flow cytofluorometry showed incr...
journal_title:Cancer chemotherapy and pharmacology
pub_type: 杂志文章
doi:10.1007/BF00254600
更新日期:1984-01-01 00:00:00
abstract::A patient with acute nonlymphoblastic leukemia in relapse and anthracycline cardiomyopathy was treated with AMSA in combination with cytosine arabinoside and thioguanine (AAT). Induction of remission was accomplished after one course of therapy without development of congestive heart failure. Radionuclide studies done...
journal_title:Cancer chemotherapy and pharmacology
pub_type: 杂志文章
doi:10.1007/BF00257232
更新日期:1982-12-01 00:00:00
abstract:PURPOSE:To evaluate the efficacy and safety of irinotecan as second-line treatment in patients with advanced colorectal cancer (ACC) failing or relapsing after 5-fluorouracil (5-FU) plus leucovorin (LV) standard chemotherapy. PATIENTS AND METHODS:Irinotecan was randomly administered in two different schedules (once ev...
journal_title:Cancer chemotherapy and pharmacology
pub_type: 临床试验,杂志文章,随机对照试验
doi:10.1007/s00280-003-0659-z
更新日期:2003-12-01 00:00:00
abstract:PURPOSE:Cyclophosphamide is one of the most frequently used agents in the neoadjuvant, adjuvant, and high-dose chemotherapeutic treatment of breast cancers. Preclinical models indicate that cellular sensitivity to cyclophosphamide and other oxazaphosphorines, e.g., ifosfamide, is inversely related to the cellular conte...
journal_title:Cancer chemotherapy and pharmacology
pub_type: 杂志文章
doi:10.1007/s002800000208
更新日期:2001-03-01 00:00:00
abstract::Increasing the expression of human multidrug resistance (MDR) 1 gene in bone marrow cells to prevent or circumvent bone morrow toxicity from chemotherapy agent is a high priority of dose intensification protocols. In this study, we have used a tumor-bearing model to investigate the chemoprotection effect of MDR1 gene ...
journal_title:Cancer chemotherapy and pharmacology
pub_type: 杂志文章
doi:10.1007/s00280-005-0144-y
更新日期:2006-07-01 00:00:00
abstract::The effects of heat on intracellular accumulation of anthracyclines were investigated by laser flow cytometry analysis. Sarcoma-180 cells were exposed to Adriamycin (ADM), epirubicin (EPIR), daunomycin (DM), THP-Adriamycin (THP), ME-2303 (ME) and KRN-8602 (KRN) at 37 degrees C and at higher temperatures. There was a d...
journal_title:Cancer chemotherapy and pharmacology
pub_type: 杂志文章
doi:10.1007/BF00686265
更新日期:1994-01-01 00:00:00
abstract::The antitumor effects of human lymphoblastoid interferon (HLBI) on human renal cell carcinomas transplanted in nude mice, i.e., KU-2 and RCC-1, were investigated and compared with those on other human tumors, viz. HeLa (cervical carcinoma), KB (nasopharyngeal carcinoma), H.Ep#2 (laryngeal carcinoma), and MX-1 (breast ...
journal_title:Cancer chemotherapy and pharmacology
pub_type: 杂志文章
doi:10.1007/BF00258113
更新日期:1985-01-01 00:00:00
abstract:PURPOSE AND METHODS:MS-209 is a newly synthesized quinoline compound used orally to overcome human P-glycoprotein (Pgp)-mediated multidrug resistance (MDR). The multidrug resistance-associated protein (MRP) gene is thought to play an important role in MDR in lung cancer. To investigate whether MS-209 could also overcom...
journal_title:Cancer chemotherapy and pharmacology
pub_type: 杂志文章
doi:10.1007/s002800050681
更新日期:1997-01-01 00:00:00
abstract::Topotecan is a novel semisynthetic derivative of the anticancer agent camptothecin and inhibits the intranuclear enzyme topoisomerase I. The lactone structure of topotecan, which is in equilibrium with the inactive ring-opened hydroxy acid, is essential for this activity. We performed a pharmacokinetics study as part ...
journal_title:Cancer chemotherapy and pharmacology
pub_type: 临床试验,杂志文章
doi:10.1007/s002800050479
更新日期:1996-01-01 00:00:00
abstract:PURPOSE:The observation that the orphan drug dichloroacetate (DCA) selectively promotes mitochondria-regulated apoptosis and inhibits tumour growth in preclinical models by shifting the glucose metabolism in cancer cells from anaerobic to aerobic glycolysis attracted not only scientists', clinicians' but also patients'...
journal_title:Cancer chemotherapy and pharmacology
pub_type: 杂志文章
doi:10.1007/s00280-010-1361-6
更新日期:2011-03-01 00:00:00
abstract::3-Deazaguanine (3-DG), a purine analogue, has unusual antitumor activity against experimental mammary tumor models and a number of other solid tumors. Others have shown that mutant CHO cells deficient in hypoxanthine guanine phosphoribosyl transferase (HGPRTase) or adenine phosphoribosyl transferase (APRTase) are resi...
journal_title:Cancer chemotherapy and pharmacology
pub_type: 杂志文章
doi:10.1007/BF00273409
更新日期:1988-01-01 00:00:00
abstract:PURPOSE:The study mainly aimed to determine the biological function of a novelly synthesized phenanthroimidazole derivative, named L233, and to explore its potential mechanisms. METHODS:Cell survival was examined using the MTT assays, and the DNA-damaging role of L233 was explored using the comet assay. Moreover, the ...
journal_title:Cancer chemotherapy and pharmacology
pub_type: 杂志文章
doi:10.1007/s00280-015-2894-5
更新日期:2016-01-01 00:00:00
abstract:PURPOSE:Our previous studies have reported the antitumor effect of oleandrin on osteosarcoma; however, its chemosensitizing effect in osteosarcoma treatment is still unknown. Therefore, we explored the sensitizing effects of oleandrin to cisplatin in osteosarcoma and investigated the potential mechanisms. METHODS:Afte...
journal_title:Cancer chemotherapy and pharmacology
pub_type: 杂志文章
doi:10.1007/s00280-018-3692-7
更新日期:2018-12-01 00:00:00
abstract:PURPOSE:The aim of this study was to evaluate safety and toxicity of chronomodulated capecitabine administered in the morning and at noon according to a specific time schedule (Brunch Regimen: Breakfast and Lunch) as a part of first-line XELOX chemotherapy in patients with metastatic colorectal cancer. METHODS:A total...
journal_title:Cancer chemotherapy and pharmacology
pub_type: 杂志文章
doi:10.1007/s00280-016-3067-x
更新日期:2016-07-01 00:00:00
abstract::The pharmacokinetics and metabolism of 4-demethoxydaunorubicin (idarubicin, IDA) were studied in 21 patients with advanced cancer after i.v. (12 mg/m2) and oral (30-35 mg/m2) treatment according to a balanced crossover design. Patients were divided into four groups: subjects who showed normal liver and kidney function...
journal_title:Cancer chemotherapy and pharmacology
pub_type: 临床试验,杂志文章
doi:10.1007/BF00686301
更新日期:1992-01-01 00:00:00
abstract::The purpose of this study was to examine the efficacy of a combination treatment of sequential irinotecan and doxifluridine, an intermediate of capecitabine, evaluated by the response rate and safety in patients with metastatic colorectal cancer. In all, 60 metastatic colorectal cancer patients with measurable disease...
journal_title:Cancer chemotherapy and pharmacology
pub_type: 杂志文章,meta分析
doi:10.1007/s00280-007-0471-2
更新日期:2008-02-01 00:00:00
abstract:PURPOSE:Sarcomas are a rare and heterogeneous variant of cancer. The standard of care treatment involves surgical resection with radiation in high-risk patients. Despite appropriate treatment approximately 50 % of patients will suffer and die from recurrent disease. The purpose of this article is to review the current ...
journal_title:Cancer chemotherapy and pharmacology
pub_type: 杂志文章,meta分析,评审
doi:10.1007/s00280-016-3055-1
更新日期:2016-11-01 00:00:00
abstract::A major side effect of cisplatin treatment is peripheral neuropathy. In the past few years we have provided evidence that the ACTH4-9 analogue ORG 2766 provides protection against this neuropathy in rats and man. In this study we investigated the development of a cisplatin-induced neuropathy and the protective and the...
journal_title:Cancer chemotherapy and pharmacology
pub_type: 杂志文章
doi:10.1007/BF00685621
更新日期:1993-01-01 00:00:00
abstract::6-[Bis-(2-chloroethyl)-amino]-6-deoxy-D-glucose (C-6) is a new glucose-containing nitrogen mustard that has significant activity for murine P388 leukemia with relative sparing of bone marrow in mice. The in vitro myelotoxicity of C-6 compared with that of melphalan, a clinically active, myelosuppressive nitrogen musta...
journal_title:Cancer chemotherapy and pharmacology
pub_type: 杂志文章
doi:10.1007/BF00256165
更新日期:1986-01-01 00:00:00
abstract::Fifty-one patients with non-small cell lung cancer (NSCLC) were treated, during a phase II trial, with 4'demethylepipodophyllotoxin-beta-D-ethylidene glucoside (VP16-213). Forty-nine were evaluable for response, and of these two (4%) had partial responses lasting 5 and 6 months. Prior treatment with chemotherapy may h...
journal_title:Cancer chemotherapy and pharmacology
pub_type: 杂志文章
doi:10.1007/BF00254550
更新日期:1982-01-01 00:00:00