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impact of STAT-signaling pathway on cancer-associated fibroblasts in colorectal cancer and its role in immunosuppression

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World Journal of Gastrointestinal Oncology 2024年第5期16卷 1705-1724页

作者： Damián Sánchez-Ramírez Mónica G Mendoza-Rodríguez Omar R Alemán Fernando A Candanedo-González Miriam Rodríguez-Sosa Juan JoséMontesinos-Montesinos Mauricio Salcedo ismael Brito-Toledo Felipe Vaca-Paniagua luis.i terrazas Unidad de investigacion en Biomedicina Facultad de Estudios Superiores IztacalaUniversidad Nacional Autonoma de MexicoTlalnepantla 54090Estado de MexicoMexico Department of Biology Facultad de QuimicaUniversidad Nacional Autonoma de MexicoCiudad UniversitariaMexico City 04510Mexico Department of Pathology National Medical Center Century XXIInstituto Mexicano del Seguro SocialMexico City 06720Mexico Laboratorio de Células Troncales Mesenquimales Unidad de Investigación Médica en Enfermedades OncológicasHospital de Oncología Centro Medico Nacional Siglo XXIInstituto Mexicano del Seguro SocialMexico City 06720Mexico Unidad de investigacion en Biomedicina y Oncologia Genomica Instituto Mexciano del Seguro SocialMexico City 07300Mexico Servicio de Colon y Recto Hospital de Oncología Centro Medico Nacional Siglo XXIInstituto Mexicano del Seguro SocialMexico City 06720Mexico Laboratorio Nacional en Salud Facultad de Estudios Superiores IztacalaUniversidad Nacional Autónoma de MéxicoTlalnepantla 54090Estado de MexicoMexico

Colorectal cancer(CRC)remains one of the most commonly diagnosed and deadliest types of cancer *** displays a desmoplastic reaction(DR)that has been inversely associated with poor prognosis;less DR is associated with a better *** reaction generates excessive connective tissue,in which cancer-associated fibroblasts(CAFs)are critical cells that form a part of the tumor *** are directly involved in tumorigenesis through different ***,their role in immunosuppression in CRC is not well understood,and the precise role of signal transducers and activators of transcription(STATs)in mediating CAF activity in CRC remains *** the myriad chemical and biological factors that affect CAFs,different cytokines mediate their function by activating STAT signaling ***,the harmful effects of CAFs in favoring tumor growth and invasion may be modulated using STAT ***,we analyze the impact of different STATs on CAF activity and their immunoregulatory role.

关键词： Cancer-associated fibroblasts Signal transducer and activator of transcription signaling Colorectal cancer immunity immunosuppression

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is the combination of immunotherapy with conventional chemotherapy the key to increase the efficacy of colorectal cancer treatment?

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World Journal of Gastrointestinal Oncology 2023年第2期15卷 251-267页

作者： Jonadab E Olguin Monica G Mendoza-Rodriguez C Angel Sanchez-Barrera luis.i terrazas Laboratorio Nacional en Salud Diagnóstico Molecular y Efecto Ambiental en Enfermedades Crónico-degenerativasFacultad de Estudios Superiores IztacalaUniversidad Nacional Autónoma de MéxicoTlalnepantla 54090Estado de MexicoMexico Unidad de Biomedicina Facultad de Estudios Superiores IztacalaUniversidad Nacional Autónoma de MéxicoTlalnepantla 54090Estado de MexicoMexico

Colorectal cancer(CRC) is among the most prevalent and deadly neoplasms worldwide. According to GLOBOCAN predictions, its incidence will increase from 1.15 million CRC cases in 2020 to 1.92 million cases in 2040. Therefore, a better understanding of the mechanisms involved in CRC development is necessary to improve strategies focused on reducing the incidence, prevalence,and mortality of this oncological pathology. Surgery, chemotherapy, and radiotherapy are the main strategies for treating CRC. The conventional chemotherapeutic agent utilized throughout the last four decades is 5-fluorouracil, notwithstanding its low efficiency as a single therapy. in contrast, combining 5-fluorouracil therapy with leucovorin and oxaliplatin or irinotecan increases its efficiency. However, these treatments have limited and temporary solutions and aggressive side effects. Additionally, most patients treated with these regimens develop drug resistance, which leads to disease progression. The immune response is considered a hallmark of cancer;thus, the use of new strategies and methodologies involving immune molecules, cells, and transcription factors has been suggested for CRC patients diagnosed in stages Ⅲ and Ⅳ. Despite the critical advances in immunotherapy, the development and impact of immune checkpoint inhibitors on CRC is still under investigation because less than 25% of CRC patients display an increased 5-year survival. The causes of CRC are diverse and include modifiable environmental factors(smoking, diet, obesity, and alcoholism), individual genetic mutations, and inflammation-associated bowel diseases. Due to these diverse causes, the solutions likely cannot be generalized. interestingly, new strategies, such as single-cell multiomics, proteomics, genomics, flow cytometry, and massive sequencing for tumor microenvironment analysis, are beginning to clarify the way forward. Thus,the individual mechanisms involved in developing the CRC microenvironment, their causes, and t

关键词： Colorectal cancer immunotherapy checkpoint inhibitors Chemotherapy immunotherapy immune response

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integrating geographical information in the Linked Digital Earth

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international Journal of Digital Earth 2014年第7期7卷 554-575页

作者： luis M.Vilches-Blazquez Boris Villazon-terrazas Oscar Corcho Asuncion Gomez-Perez Ontology Engineering Group Departamento de Inteligencia ArtificialFacultad de InformaticaUniversidad Politecnica de MadridMadridSpain

Many progresses have been made since the Digital Earth notion was envisioned thirteen years ***,the mechanism for integrating geographic informa-tion into the Digital Earth is still quite *** this context,we have developed a process to generate,integrate and publish geospatial Linked Data from several Spanish National *** data-sets are related to four infrastructure for Spatial information in the European Community(iNSPiRE)themes,specifically with Administrative units,Hydrography,Statistical units,and *** main goal is to combine different sources(heterogeneous,multidisciplinary,multitemporal,multiresolution,and multilingual)using Linked Data *** goal allows the overcoming of current problems of information integration and driving geographical information toward the next decade scenario,that is,‘Linked Digital Earth’.

关键词： geographical information integration Digital Earth Linked Data

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Oregano and Composite Substrates： A Mitigation Alternative for Heavy Metals Emission from Tailings Deposits in Parral, Chihuahua, Mexico

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Journal of Environmental Science and Engineering(A) 2017年第3期6卷 127-134页

作者： luis Miguel Rodriguez Vazquez Mario Lorenzo Franco Soto Magdiel Aaron Solis Lozoya luis Manuel Saenz Macias Ever Ulysses Torres Carrillo Emilio Yanez terrazas Eduardo Florencio Herrera Peraza Ramon Silva Vazquez Technological institute of Parral Department of Chemical Engineering Hidalgo del Parral Chihuahua 33850 Mexico Research Center for Advanced Materials (CiMA V) Department of Renewable Energies and Environmental Protection Chihuahua 31109 Mexico Research Center for Natural Resources Salaices Chihuahua 33941 Mexico

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identification and Selection of Regional Plants withPotential for Phytoremediation in Abandoned Open PitTailing Dams

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Journal of Environmental Science and Engineering(A) 2020年第2期9卷 56-65页

作者： luis Miguel Rodríguez Vázquez Ana irán Prieto Valles Ramón Silva Vázquez Héctorávalos Loya EduardoHerrera Peraza Emilio Yanez terrazas Francisco Rueda Ever Ulysses Torres Carrillo Leonor CortésPalacios Gilberto Sandino Aquino Department of Chemical Engineering Tecnológico Nacional de México-Instituto Tecnológico de ParralHidalgo del ParralChihuahua 33850México Department of Renewable Energies and Environmental Protection Centro de Investigación en Materiales AvanzadosS.C.ChihuahuaChihuahua 31109México Faculty of Zootechnics and Ecology Universidad Autónoma de Chihuahua(UACH)ChihuahuaChihuahua 31000México

The degree of adaptability and phytoremediation potential of the plant species, Zacate Garrapata, Zacate Banderita, Chivatillo, Oregano, Chamizo and Sotol were evaluated on different substrates (S) composed of tailing (JM) and agricultural land (TA) in different proportions in mass: S1 = 100% TA, S2 = 100% JM, S3 = 50% TA and 50 % JM, S4 = 25% JM and 75% TA, S5 = 75% JM and 25% TA. With the combination of species and substrates, 30 treatments were generated. The heavy metals evaluated were Pb, As, Cu. Fe, Cr and Zn, in root, leaf and stem. The results showed significant statistical differences (p ith the Sotol and Zacate Garrapata species being the ones with the highest degree of adaptability and accumulation of heavy metals in interaction with S3. These two species can be used in the remediation of open pit tailing dam.

关键词： Adaptability plant species substrate mix heavy metals abandoned tailing dams

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