Results 11 to 20 of about 194,215 (219)

Adenomas hipofisários: relação entre invasividade e índice proliferativo tumoral Pituitary adenomas: relationship between invasiveness and proliferative cell nuclear index

Arquivos de Neuro-Psiquiatria, 2000
Analisamos 76 pacientes com adenomas hipofisários do ponto de vista clínico, radiológico e tratamento cirúrgico. Todos os casos foram estudados por imuno-histoquímica e em 49 pacientes foi pesquisado o anticorpo monoclonal PCNA.
OSWALDO INÁCIO DE TELLA JR, MARCO ANTONIO HERCULANO, ROSANA DELCELO   +2 more
doaj   +1 more source

Stem Cells in Pituitary Tumors: Experimental Evidence Supporting Their Existence and Their Role in Tumor Clinical Behavior

Frontiers in Endocrinology, 2019
Although generally benign, pituitary tumors frequently show local invasiveness and resistance to pharmacological therapy. After the demonstration of the existence of pituitary gland stem cells, over the past decade, the presence of a stem cell ...
Giovanna Mantovani, Giovanna Mantovani, Elena Giardino, Donatella Treppiedi, Rosa Catalano, Rosa Catalano, Federica Mangili, Anna Spada, Maura Arosio, Maura Arosio, Erika Peverelli   +10 more
doaj   +1 more source

Selection on individuals of introduced species starts before the actual introduction

Evolutionary Applications, 2021
Biological invasion is a global problem with large negative impacts on ecosystems and human societies. When a species is introduced, individuals will first have to pass through the invasion stages of uptake and transport, before actual introduction in a ...
Adrián Baños‐Villalba, Martina Carrete, Jose Luis Tella, Julio Blas, Jaime Potti, Carlos Camacho, Moussa Sega Diop, Tracy A. Marchant, Sonia Cabezas, Pim Edelaar   +9 more
doaj   +1 more source

East European crayfish stocks at risk: arrival of non-indigenous crayfish species

Knowledge and Management of Aquatic Ecosystems, 2016
An increasing number of non-indigenous crayfish species (NICS) of apparently pet trade origin have become established particularly in Europe. Especially alarming are recent confirmation of two distantly separated marbled crayfish Procambarus fallax f ...
Kotovska Ganna, Khrystenko Dmytro, Patoka Jiří, Kouba Antonín   +3 more
doaj   +1 more source

Update of environmental risk assessment conclusions and risk management recommendations of EFSA (2016) on EU teosinte

EFSA Journal, 2022
Teosinte, wild maize relatives originating from Mexico and Central America, emerged as a noxious agricultural weed in France and Spain. In 2016, the European Food Safety Authority (EFSA) issued a technical report that assessed the available scientific ...
European Food Safety Authority (EFSA), Yann Devos, Elisa Aiassa, Irene Muñoz‐Guajardo, Antoine Messéan, Ewen Mullins   +5 more
doaj   +1 more source

Signal Transducer and Activator of Transcription 3 Activation Promotes Invasive Growth of Colon Carcinomas through Matrix Metal loproteinase Induction

Neoplasia: An International Journal for Oncology Research, 2007
Signal transducer and activator of transcription 3 (STAT3) is aberrantly activated in colorectal carcinomas (CRCs). Here, we define the relationship between STAT3 function and the malignant properties of colon carcinoma cells.
Svetlana A. Tsareva, Richard Moriggl, Florian M. Corvinus, Bernd Wiederanders, Alexander Schutz, Boris Kovacic, Karlheinz Friedrich   +6 more
doaj   +1 more source

Plant invasions in Ukraine

Environmental & Socio-economic Studies, 2021
We present a comprehensive review of the plant invasions of 42 alien species and their impact on vegetation cover in Ukraine. Among these species, those currently posing the greatest threat to the environment have been identified. The structural features
Zavialova Liudmyla V., Protopopova Vira V., Kucher Oksana O., Ryff Liubov E., Shevera Myroslav V.   +4 more
doaj   +1 more source

Research progress of E3 ubiquitin ligase regulating biological behavior of human placental trophoblast cells

Frontiers in Endocrinology, 2023
E3 ubiquitin ligases are important components of the ubiquitin protease system. This family includes many proteins, which can catalyze the ubiquitination of a variety of protein substrates and promote the degradation of them by the proteasome system ...
Jun Feng, Huimei Yin, Baturuhu, Yonghui Dai, Fuxiao Dai, Junjun Xu, Zhili Chen, Yanyan Liu   +7 more
doaj   +1 more source

Non-typhoidal salmonellosis: Detection of genes responsible for virulence: A hospital-based study from Manipal, India. [PDF]

Journal of Krishna Institute of Medical Sciences University, 2022
Background: Non-typhoidal Salmonella (NTS) is one of the four critical worldwide reasons for diarrhoeal infections and causes a noted zoonotic infection termed non-typhoidal salmonellosis.
Sohan Rodney Bangera , Shashikiran Umakanth, Goutam Chowdhury, Rudra Narayan Saha, Mamatha Ballal   +4 more
doaj  

Hospital Profitability of Robot-Assisted Gastrointestinal Cancer Surgery in Japan Under the National Fee Schedule: A Surgical Program Model with Required-Cut and Isoprofit Maps

Surgeries
Background/Objectives: Robot-assisted gastrointestinal (GI) cancer surgery has expanded in Japan since national reimbursement in 2018, yet hospital profitability remains uncertain because of capital, maintenance, and consumable costs. We examined whether
Kazuma Iwasaki, Nobuo Kutsuna
doaj   +1 more source