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206 Result(s)
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Article
The Effect of Neonatal Administration of Sex Hormones on Ribonucleic Acid Metabolism in the Liver of Male and Female Rats
Fifteen minutes after the intraperitoneal injection of 32P labelled phosphate, normal adult male rats show a higher incorporation of isotope into their liver nuclear RNA than do females. A single injection of tes...
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Repair of O6-methylguanine in rat liver DNA is enhanced by pretreatment with single or multiple doses of aflatoxin B1
Pretreatment of rats by the repeated administration of certain alkylating carcinogens has been shown to stimulate the removal of O6-alkylguanine from hepatic DNA. Prolonged feeding with the aromatic amide 2-ac...
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Article
Nutrient intakes in relation to cancer incidence in Hawaii
A representative sample of 4657 adults greater than or equal to 45 years of age from the 5 main ethnic groups in Hawaii (Caucasians, Japanese, Chinese, Filipinos and Hawaiians) were interviewed during 1977-197...
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Article
The association of condylomata acuminata and squamous carcinoma of the vulva
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Multiple primary tumours in women with vulvar neoplasms: a case-control study
We sought to determine whether women with in situ or invasive squamous cell vulvar cancer were more likely than other women to have had a previous or concurrent tumour at other anogenital sites. One hundred an...
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Flavone acetic acid (FAA) with recombinant interleukin-2 (rIL-2) in advanced malignant melanoma. III: Cytokine studies
Twelve patients undergoing IL-2 and flavone acetic acid (FAA) combination immunotherapy for advanced melanoma were studied throughout treatment for the induction of measurable levels of bioactive TNF, GM-CSF a...
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Article
Acidic pH enhances the invasive behavior of human melanoma cells
As a consequence of poor perfusion and elevated acid production, the extracellular pH (pHex) of tumors is generally acidic. Despite this, most in vitro experiments are still performed at the relatively alkaline p...
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Article
Role of intermediate filaments in migration, invasion and metastasis
The expression of intermediate filament proteins is remarkably tissue-specific which suggests that the intermediate filament (IF) type(s) present in cells is somehow related to their biological function. Howev...
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All-trans retinoic acid decreases susceptibility of a gastric cancer cell line to lymphokine-activated killer cytotoxicity
All-trans retinoic acid (RA) was previously shown to regulate the growth of gastric cancer cells derived from the cell line SC-M1. This study was designed to investigate the effect of RA on the sensitivity of ...
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Article
Proteolysis of extracellular matrix by invadopodiafacilitates human breast cancer cell invasion and ismediated by matrix metalloproteinases
Breast cancer cell lines vary in invasive behavior and one highly invasive cell line (MDA-MB-231)proteolytically degrades extracellular matrix with invadopodia (Thompson et al. 1992, J Cell Physiol, 150,534-44...
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Open AccessMicrosatellite instability, Epstein–Barr virus, mutation of type II transforming growth factor β receptor and BAX in gastric carcinomas in Hong Kong Chinese
Microsatellite instability (MI), the phenotypic manifestation of mismatch repair failure, is found in a proportion of gastric carcinomas. Little is known of the links between MI and Epstein–Barr virus (EBV) st...
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Article
Differential diagnostic significance of the paucity of HLA- I antigens on metastatic breast carcinoma cells in effusions
Distinction between benign reactive mesothelial cells and metastatic breast adenocarcinoma cells in effusions from patients with a known prior history of breast cancer is not the easiest task in diagnostic pat...
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Article
Small cell carcinoma of the gallbladder: Report of two cases
Two Taiwanese patients with gallbladder small cell carcinoma are reported. One is a 79 year-old male, the other, a 86 year-old female. They both presented with the symptom/signs of acute cholecystitis and unde...
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Article
Comparison between `in vivo' and `in vitro' methods for evaluating tumor angiogenesis using cervical carcinoma as a model
The role of angiogenesis in tumorigenesis is widely accepted. Therefore, it is mandatory to develop a clinically useful method for assessing tumor angiogenesis. This study was designed to compare the `in vivo' an...
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Prospects for Targeting Protein Kinase C Isozymes in the Therapy of Drug-resistant Cancer – An Evolving Story
The seminal discovery in 1988 that selective protein kinase C (PKC) activators induce multidrug resistance (MDR) in human cancer cells spawned several years of intensive investigations; these studies were prim...
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Lineage-specific Mechanism of Drug and Radiation Resistance in Melanoma Mediated by Tyrosinase-related Protein 2
A major obstacle in the clinical management of malignant melanoma is its intrinsic resistance to chemotherapy and radiation therapy. Consequently, most patients with melanoma often do not respond to convention...
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Article
Translational Regulation as a Novel Mechanism for the Development of Cellular Drug Resistance
Cellular drug resistance is one of the principal obstacles to the clinical efficacy of cancer chemotherapy. In this review, we describe the potential role for translational regulation as a novel mechanism for ...
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The greater impact of menopause on ER– than ER+ breast cancer incidence: a possible explanation (United States)
Objective: Analysis of 3359 Danish breast cancer cases indicated that menopause exerted a greater protective effect on estrogen- receptor negative (ER–) breast cancer than on estrogen- receptor positive (ER+) br...
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Open AccessInvestigations on a clinically and functionally unusual and novel germline p53 mutation
This report describes an individual with a rare choroid plexus papilloma in adulthood (age 29) after earlier having an osteosarcoma (age 22). The results from this study, and others, suggest that it may be adv...
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Open AccessAberrant caspase-activated DNase (CAD) transcripts in human hepatoma cells
The gene of caspase-activated DNase (CAD), the key enzyme for nucleosome cleavage during apoptosis, is mapped at chromosome 1p36, a region usually associated with hemizygous deletions in human cancers, particu...