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Response to lipopolysaccharide in Octodon degus pups produces age-related sickness behavior but does not have effects in juveniles

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Integrative Zoology 2019年第3期14卷 235-247页

作者： natalia ramirez-OTAROLA Janyra ESPINOZA Alexis M.KALERGIS Pablo SABAT Department of Ecological Sciences Science FacultyUniversidad de ChileSantiagoChile Millennium Institute Immunology and Immunotherapy Departamento de Genética Molecular y MicrobiologíaFacultad de Ciencias BiológicasPontificia Universidad Católica de ChileSantiagoChile Departamento de Endocrinología Facultad de MedicinaPontificia Universidad Católica de ChileSantiagoChile Department of Ecology Center of Applied Ecology&SustainabilityBiological Sciences FacultyPontificia Universidad Católica de ChileSantiagoChile

During vertebrate development,the immune function is inefficient and is mainly controlled by innate *** there have been detailed studies of various aspects of innate immune function,the effects of this function in the growth of vertebrates is still not well ***,there is little information regarding how early endotoxin exposure would affect juvenile phenotypes,specifically in a non-model mammal like a precocial *** evaluated the response to an antigen and its cost in offspring of the rodent Octodon *** inoculated pups at 4 different ages(8,15,22 and 30 days after birth)with an antigen to determine the ontogeny and costs of the response to an *** assessed changes in body mass,body temperature,sickness behavior and the levels of a key mediator of the inflammatory response,the cytokine interleukin-1β.We also determined the effects of early endotoxin exposure on the resting metabolic rate of juvenile animals(i.e.90 days after birth).The cytokine levels,body mass and body temperature were unaffected by time of inoculation and ***,pups subjected to inoculation at 22 days after birth with the antigen showed reduced loco*** resting metabolic rate was not affected by early endotoxin *** results suggest that the magnitude of *** responses would not change with *** discuss whether the lack of effect of the response on body mass or body condition is caused by environmental variables or by the precocial characteristics of ***.

关键词： acute phase response ecoimmunology lipopolysaccharide precocial sickness behavior

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Moving forward in colorectal cancer research, what proteomics has to tell

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World Journal of Gastroenterology 2007年第44期13卷 5813-5821页

作者： Nerea Bitarte Eva Bandrés Ruth Zárate natalia ramirez Jesus Garcia-Foncillas Laboratory of Pharmacogenomics Center for Medical Applied Research Unit of Clinical Genetics University Clinic Department of Oncology and Radiotherapy University Clinic University of Navarra Pamplona 31008 Spain

Colorectal cancer is the third most common cancer and is highly fatal. During the last several years, research has been primarily based on the study of expression profiles using microarray technology. But now, investigators are putting into practice proteomic analyses of cancer tissues and cells to identify new diagnostic or therapeutic biomarkers for this cancer. Because the proteome reflects the state of a cell, tissue or organism more accurately, much is expected from proteomics to yield better tumor markers for disease diagnosis and therapy monitoring. This review summarizes the most relevant applications of proteomics the biomarker discovery for colorectal cancer.

关键词： Proteomics Colorectal cancer Biomarker

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Pharmacogenomics in colorectal cancer: The first step for individualized-therapy

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World Journal of Gastroenterology 2007年第44期13卷 5888-5901页

作者： Eva Bandrés Ruth Zárate natalia ramirez Ana Abajo Nerea Bitarte Jesus García-Foncillas Laboratory of Pharma-cogenomics Cancer Research Program (Center for Applied Medical Research) University of Navarra Navarra Spain

Interindividual differences in the toxicity and response to anticancer therapies are currently observed in practically all available treatment regimens. A goal of cancer therapy is to predict patient response and toxicity to drugs in order to facilitate the individualization of patient treatment. Identification of subgroups of patients that differ in their prognosis and response to treatment could help to identify the best available drug therapy according the genetic profile. Several mechanisms have been suggested to contribute to chemo-therapeutic drug resistance: amplification or overexpression of membrane transporters, changes in cellular proteins involved in detoxification or in DNA repair, apoptosis and activation of oncogenes or tumor suppressor genes. Colorectal cancer (CRC) is regarded as intrinsically resistant to chemotherapy. Several molecular markers predictive of CRC therapy have been included during the last decade but their results in different studies complicate their application in practical clinical. The simultaneous testing of multiple markers predictive of response could help to identify more accurately the true role of these polymorphisms in CRC therapy. This review analyzes the role of genetic variants in genes involved in the action mechanisms of the drugs used at present in colorectal cancer.

关键词： Colorectal cancer Pharmacogenomics Chemotherapy Polymorphisms Markers

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