Toxoplasma gondii antibodies in cancer patients.

abstract：:We have used human procathepsin D isolated from supernatant of human breast cancer cell line ZR-75-1 to test its mitogenic activity for a broad spectrum of human-derived cell lines. These cell lines included: breast cancer cell lines ZR-75-1, MDA-MB-436, MBA-MD-483 and MDA-MB-231, B lymphoblastoid cell line Raji, the ...

journal_title：Cancer letters

authors： Vĕtvicka V,Vĕktvicková J,Fusek M

更新日期：1994-05-16 00:00:00

abstract：:The biological characteristic cell locomotion and invasion, melanin content, metalloproteinases and telomerase activity were studied in a parental mouse melanoma cell line B16 and two descendents B16BL6 and B16F10. The invasive potential of melanoma cells was assayed in a transwell cell culture chamber. Melanin conten...

journal_title：Cancer letters

authors： Zhao W,Liu H,Xu S,Entschladen F,Niggemann B,Zänker KS,Han R

更新日期：2001-01-01 00:00:00

abstract：:Cancer results from genetic alterations in intracellular signaling pathways, which normally orchestrate the execution of developmental programs and the organismic response to extrinsic factors. Mutations in upstream activators and components of the cytoplasmic (Ras-Raf MEK-ERK) cascade frequently occur in tumors. In v...

journal_title：Cancer letters

authors： Rennefahrt U,Janakiraman M,Ollinger R,Troppmair J

更新日期：2005-01-10 00:00:00

abstract：:A variety of metal-binding compounds have been found to exert anti-cancer activity. We postulated that N-acetylcysteine (NAC), which is a membrane-permeable metal-binding compound, might have anti-cancer activity in the presence of metals. We found that NAC/Cu(II) significantly alters growth and induces apoptosis in h...

journal_title：Cancer letters

authors： Zheng J,Lou JR,Zhang XX,Benbrook DM,Hanigan MH,Lind SE,Ding WQ

更新日期：2010-12-08 00:00:00

abstract：:The notions of inter- and intra-tumour heterogeneity (ITH) have been recognised for many years but recent advances in sequencing technology are allowing the true extent of both forms of heterogeneity to be revealed in detail for the first time. In this review we examine the current evidence for ITH, the possibility of...

journal_title：Cancer letters

authors： Horswell S,Matthews N,Swanton C

更新日期：2013-11-01 00:00:00

abstract：:Tumor hypoxia has been commonly observed in a broad spectrum of primary solid malignancies. Hypoxia is associated with tumor progression, increased aggressiveness, enhanced metastatic potential and poor prognosis. Hypoxic tumor cells are resistant to radiotherapy and some forms of chemotherapy. Using an animal model, ...

journal_title：Cancer letters

authors： Li XF,O'Donoghue JA

更新日期：2008-06-18 00:00:00

abstract：:In the current study we examined the regulation of Bak, a death promoter of an apoptotic pathway, in the human breast cancer cell line MCF-7. We observed a time-dependent increase in both Bak mRNA and protein levels which appeared to correlate well with the increase in cell density. We also found that treatment of cel...

journal_title：Cancer letters

authors： Leung LK,Do L,Wang TT

更新日期：1998-02-13 00:00:00

abstract：:To determine if the carcinogenic potential of peroxisome proliferators is dependent upon their ability to induce cell proliferation, we have investigated the extent of cell proliferation in the livers of rats fed ciprofibrate, a peroxisome proliferator. Male rats were maintained on a diet containing ciprofibrate (0.02...

journal_title：Cancer letters

authors： Yeldandi AV,Milano M,Subbarao V,Reddy JK,Rao MS

更新日期：1989-09-15 00:00:00

abstract：:Glioblastoma (GBM) is the most common and aggressive primary brain tumor. Great interest persists in useful therapeutic targets in GBM. Aberrant expression of long non-coding RNAs (lncRNAs) has been functionally associated with many cancers. Here, we elucidated the function and the possible molecular mechanisms of lnc...

journal_title：Cancer letters

authors： Yao Y,Ma J,Xue Y,Wang P,Li Z,Liu J,Chen L,Xi Z,Teng H,Wang Z,Li Z,Liu Y

更新日期：2015-04-01 00:00:00

abstract：:Mouse mammary tumor viruses (MMTV) replicate in the mammary gland, appear as infectious particles in mother's milk and invade the sucking pups from the intestinal tract. The immune system is essential for MMTV in the gut to reach the mammary gland. These properties make the life cycle of MMTV unique. We review the onc...

journal_title：Cancer letters

authors： Matsuzawa A,Nakano H,Yoshimoto T,Sayama K

更新日期：1995-03-23 00:00:00

abstract：:A 65K protein, known for promoting nucleocytoplasmic mRNA transport in a cell-free system, was previously found in fetal and tumor cells of the rat. The primary objective of this study was to show specificity of immunohistochemical staining for the 65K protein in the livers of rats subjected to a hepatocarcinogenesis ...

journal_title：Cancer letters

authors： Hanausek-Walaszek M,Del Rio M,Adams AK

更新日期：1989-12-01 00:00:00

abstract：BACKGROUND AND AIMS:Understanding the molecular pathogenesis of hepatocellular carcinoma (HCC) is essential to identify therapeutic targets. A hepatitis B virus (HBV) related double transgenic murine model was developed. METHODS:Liver specific expression of HBV X protein (HBx) and insulin receptor substrate 1 (IRS1) w...

journal_title：Cancer letters

authors： Chung W,Kim M,de la Monte S,Longato L,Carlson R,Slagle BL,Dong X,Wands JR

更新日期：2016-01-01 00:00:00

abstract：:The plant sterol guggulsterone has recently been shown to have anti-tumorigenic potential. This study was designed to investigate the anti-tumor efficacy of guggulsterone and to elucidate its molecular mechanisms in colon cancer. Guggulsterone significantly increased apoptosis in HT-29 cells by activating caspases-3 a...

journal_title：Cancer letters

authors： An MJ,Cheon JH,Kim SW,Kim ES,Kim TI,Kim WH

更新日期：2009-06-28 00:00:00

abstract：:Citral inhibits the formation of retinoic acid from retinol in mouse epidermis. Since skin-carcinogenesis is sensitive to retinoid status, and retinoic acid may be the active form of vitamin A in the epidermis, citral was tested for its ability to modulate tumor promotion in a two-stage skin-carcinogenesis study in ha...

journal_title：Cancer letters

authors： Connor MJ

更新日期：1991-01-01 00:00:00

abstract：:In order to discover the role in the promotion process of 5-lipoxygenase (5-LO), a key enzyme in the arachidonate cascade, the antipromoting effects of the 5-LO inhibiting 3-nitro-2,4,6-trihydroxybenzamide (NTB) derivatives were studied in a two-stage transformation assay system using BALB 3T3 cells. All compounds inh...

journal_title：Cancer letters

authors： Semba M,Honda I,Shibagaki M,Nishi Y

更新日期：1993-07-30 00:00:00

abstract：INTRODUCTION/HYPOTHESIS:Over-expression of the c-Met receptor tyrosine kinase has been described in a variety of cancers and implicated in tumor progression. Unlike some solid tumors, current evidence indicates that c-Met activation in colon cancer is unrelated to gene mutation, is ligand dependent, and occurs via a pa...

journal_title：Cancer letters

authors： Kammula US,Kuntz EJ,Francone TD,Zeng Z,Shia J,Landmann RG,Paty PB,Weiser MR

更新日期：2007-04-18 00:00:00

abstract：:CYP1A1, CYP2E1 and GSTM1 polymorphisms were evaluated in Chilean healthy controls and lung cancer patients. In the Chilean healthy group, frequencies of CYP1A1 variant alleles for MspI (m2 or CYP1A1*2A) and ile/val (val or CYP1A1*2B) polymorphisms were 0.25 and 0.33, respectively. Frequencies of variant alleles C (CYP...

journal_title：Cancer letters

authors： Quiñones L,Lucas D,Godoy J,Cáceres D,Berthou F,Varela N,Lee K,Acevedo C,Martínez L,Aguilera AM,Gil L

更新日期：2001-12-10 00:00:00

abstract：:Electron microscopic studies were made on an in vitro cultured cell line obtained from the FCB transplantable murine bladder tumour. The cells exhibited a loss of differentiation compared with solid tumour and the presence of C-type virus particles, many in the process of budding. The possible relation of this virus t...

journal_title：Cancer letters

authors： Flaks A

更新日期：1977-07-01 00:00:00

abstract：:Carcinogenic studies were performed on the skin of inbred male Lister rats using 7,12-dimethylbenz[alpha]anthracene (DMBA) in low doses (2.5 mg and 5.0 mg), followed by promotion with croton oil (CO) in one half of the animals. The clinically observed tumour rate did not differ after the two carcinogen doses and was p...

journal_title：Cancer letters

authors： Spaun E,Arffmann E

更新日期：1992-08-14 00:00:00

abstract：:In order to determine the effects of intermittent hormonal manipulation on the promotion stage of rat prostate carcinogenesis, testosterone and/or estrogen were administered to F344 rats for 40 weeks after 20-weeks treatment with the prostate carcinogen, 3,2'-dimethyl-4-aminobiphenyl. For this purpose testosterone pro...

journal_title：Cancer letters

authors： Cui L,Mori T,Takahashi S,Imaida K,Akagi K,Yada H,Yaono M,Shirai T

更新日期：1998-01-09 00:00:00

abstract：:Interferons are able to enhance the expression of carcinoembryonic antigen (CEA) on tumour cells, allowing improved tumour targeting. In this report the hypothesis is tested that combinations of cytokines may further increase the tumour antigen expression. The combination of both IFN-gamma and IFN-alpha with interleuk...

journal_title：Cancer letters

authors： Verhaar MJ,Damen CA,Zonnenberg BA,Blijham GH

更新日期：1999-05-03 00:00:00

abstract：:Prolonged exposure to elevated levels of estrogen is a risk factor for breast cancer. Though increased cell growth and loss of DNA repair capacity is one of the proposed mechanisms for estrogen-induced cancers, the mechanism through which estrogen induces cell growth and decreases DNA repair capacity is not clear. DNA...

journal_title：Cancer letters

authors： Singh KP,Treas J,Tyagi T,Gao W

更新日期：2012-03-01 00:00:00

abstract：:Anticancer properties of chemically synthesized compounds have continuously been optimized for better efficacy and selectivity. Derivatives of heterocyclic compounds are well known to have selective antiproliferative effect against many types of cancer. In this study, we investigated the ability of an indigenously syn...

journal_title：Cancer letters

authors： Saleh AM,Taha MO,Aziz MA,Al-Qudah MA,AbuTayeh RF,Rizvi SA

更新日期：2016-06-01 00:00:00

abstract：:A hallmark of most cancer cells is an altered metabolism involving a shift to aerobic glycolysis with lactate production coupled with a higher uptake of glucose as the main source of energy. Lactate dehydrogenase 5 (LDH-5) catalyzes the reduction of pyruvate by NADH to form lactate, thus determining the availability o...

journal_title：Cancer letters

authors： Augoff K,Hryniewicz-Jankowska A,Tabola R

更新日期：2015-03-01 00:00:00

abstract：:Exposure of HeLa cells to 0, 5, 10, 25, 50 and 100 microg/ml of guduchi extracts (methanol, aqueous and methylene chloride) resulted in a dose-dependent but significant increase in cell killing, when compared to non-drug-treated controls. The effects of methanol and aqueous extracts were almost identical. However, met...

journal_title：Cancer letters

authors： Jagetia GC,Nayak V,Vidyasagar MS

更新日期：1998-05-15 00:00:00

abstract：:Hepatocellular carcinoma (HCC) is a highly lethal malignancy mostly because of de novo and acquired resistance to conventional chemotherapy. Constitutive activation of Akt and nuclear factor-κB (NF-κB) represent major cellular abnormalities associated with both the pathogenesis and therapeutic resistance of HCC. The a...

journal_title：Cancer letters

authors： Ma Y,Wang J,Liu L,Zhu H,Chen X,Pan S,Sun X,Jiang H

更新日期：2011-02-01 00:00:00

abstract：:The plant species Ephedra is commonly used in both folk medicine and for the preparation of health teas. Nitrosation of a tea made from Ephedra altissima yielded N-nitrosoephedrine (NEP), N-nitrosopseudoephedrine (NPEP), N-nitrosoproline (NPRO), N-nitrosomethylbenzylamine (NMBA), trace quantities of 2 unidentified non...

journal_title：Cancer letters

authors： Tricker AR,Wacker CD,Preussmann R

更新日期：1987-05-01 00:00:00

abstract：:Interleukin-2 (IL-2) and granulocyte-macrophage colony stimulating factor (GM-CSF) facilitate the maturation and functioning of injected DC. We developed a method of in situ electroporation using IL-2 and GM-CSF genes (EGT/cytokines), followed by intra-tumoral (i.t.) immature DC to determine the immune response at the...

journal_title：Cancer letters

authors： Wang YS,Tsang YW,Chi CH,Chang CC,Chu RM,Chi KH

更新日期：2008-08-08 00:00:00

abstract：:MICAL2 is a tumor-promoting factor involved in cell migration, invasion, deformation, and proliferation not yet fully explored in lung adenocarcinoma (LUAD). This study demonstrated that MICAL2 was overexpressed and cytoplasm-enriched in LUAD tissues. Moreover, high cytoplasmic MICAL2 and/or total MICAL2 expression le...

journal_title：Cancer letters

authors： Zhou W,Liu Y,Gao Y,Cheng Y,Chang R,Li X,Zhou Y,Wang S,Liang L,Duan C,Zhang C

更新日期：2020-07-28 00:00:00

abstract：:The insulin-like growth factor (IGF) family of ligands, binding proteins and receptors is an important growth factor system involved in both the development of the organism and the maintenance of normal function of many cells of the body. The system also has powerful anti-apoptotic effects. More recently, evidence has...

journal_title：Cancer letters

authors： LeRoith D,Roberts CT Jr

更新日期：2003-06-10 00:00:00