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Tumor Microenvironment
The way a cell undergoes malignant transformation should meet their capacity of surviving in the microenvironment of the organ where the cancer will develop. Metabolic adaptation is for sure one of the criteria that must be accomplished, driven by metabolic plasticity that allows the adaptation of cancer cells to the availability of energy and biomass sources that will sustain cell survival and proliferation. Each human organ has a particular microenvironment which depends on several cell types and in some cases also on symbiotic microorganisms. These biological partners are constantly sharing organic compounds and signaling molecules that will control mitogenesis, cell death and differentia...
Free Radical Research in Cancer
Cancer is a great challenge to efficient therapy due to biological diversity. Disturbed oxidative homeostasis in cancer cells certainly contributes to differential therapy response. Further, one of the hallmarks of cancer cells is adaptation which includes fine tuning of the cellular metabolic and signalling pathways as well as transcription profiles. There are several factors which contribute to the tumor diversity and therapy response, and oxidative stress is certainly one of them. Changes in oxygen levels due to hypoxia/reoxygenation during tumor growth modulate antioxidative patterns finally supporting increased cell diversity and adaptation to stressing conditions. Additionally, cancer chemotherapy based on ROS production can also induce also adaptation. To counteract these negative effects natural products are often used for their antioxidant activities as well as photodynamic therapy supported by novel chemosensitizers. Understanding of possible pathways which can trigger antioxidant defence at a certain time during cancer development can also provide possible strategies in fighting cancer.
Arterial Chemoreceptors
This volume contains reviews and brief research articles from participants attending the International Society for Arterial Chemoreception meeting, to be held in the USA (July 2017). Each article contains original data and represents up-to-date information concerning the carotid body and oxygen sensing in health and disease. This volume is a required text for all researchers in the field of arterial chemoreception and will provide a valuable reference source for years to come.
Tumor Microenvironment
This book will allow readers to discover the crucial role of tumor microenvironment (TME) in the selection of cancer cells that are more prone to carry on cancer initiation and progression. The metabolic remodeling, as the basis of life overall, allows the adaptive establishment of a tumor in a certain TME, which in turn presents a variety of selective pressures. Coupled with the late diagnosis, the poor therapy response are the main hurdles limiting oncological disease control and eventual cure. Thus the metabolic plasticity of cancer cells often underlies chemoresistance. This edited work presents an exhaustive description and comprehensive view of cancer metabolism as a weapon used by can...
ORIGENS uma história genealógica
Como é dito na introdução, considere-se este livro uma aventura genealógica. Na sua elaboração foi-se tão longe quanto as fontes disponíveis o permitiram. Considere-se igualmente que o autor não é um académico, um historiador, um investigador, mas tão somente um observador atento que sem recorrer ao apoio de profissionais se atreveu a reunir dados, ordenar e dar-lhe forma. Se o conseguiu com êxito, os eventuais leitores o dirão. Aqui faz-se a reconstituição de sucessivas gerações de antepassados, percorrendo, nalguns casos, cerca de quinhentos anos. Fica a perceber-se a multiplicidade de origem geográfica das gentes de Santiago do Escoural, a génese das famílias formadas, em muitos casos por casamento entre parentes mais ou menos próximos. Não é à toa que existe a popular expressão na aldeia todos são primos e primas.
Advances in Tourism, Technology and Systems
This book features a collection of high-quality research papers presented at the International Conference on Tourism, Technology & Systems (ICOTTS 2020), held at the University of Cartagena, in Cartagena de Indias, Colombia, from 29th to 31st October 2020. The book is divided into two volumes, and it covers the areas of technology in tourism and the tourist experience, generations and technology in tourism, digital marketing applied to tourism and travel, mobile technologies applied to sustainable tourism, information technologies in tourism, digital transformation of tourism business, e-tourism and tourism 2.0, big data and management for travel and tourism, geotagging and tourist mobility, smart destinations, robotics in tourism, and information systems and technologies.
Self Portrait in Green
'NDiaye is a hypnotic storyteller with an unflinching understanding of the rock-bottom reality of most people's life.' New York Times ' One of France's most exciting prose stylists.' The Guardian. Obsessed by her encounters with the mysterious green women, and haunted by the Garonne River, a nameless narrator seeks them out in La Roele, Paris, Marseille, and Ouagadougou. Each encounter reveals different aspects of the women; real or imagined, dead or alive, seductive or suicidal, driving the narrator deeper into her obsession, in this unsettling exploration of identity, memory and paranoia. Self Portrait in Green is the multi-prize winning, Marie NDiaye's brilliant subversion of the memoir. Written in diary entries, with lyrical prose and dreamlike imagery, we start with and return to the river, which mirrors the narrative by posing more questions than it answers.
The Portuguese Slave Trade in Early Modern Japan
In The Portuguese Slave Trade in Early Modern Japan: Merchants, Jesuits and Japanese, Chinese, and Korean Slaves, Lúcio de Sousa offers a study on the system of traffic of Japanese, Chinese, and Korean slaves from Japan, using the Portuguese mercantile networks; reconstructs the Japanese communities in the Habsburg Empire; and analyses the impact of the Japanese slave trade on the Iberian legislation produced in the 16th and first half of the 17th centuries.
