75 documents found, page 1 of 8
The Impact of a Western Diet and Resistance Training in a Rat Model of Mammary ...
Silva, Jessica; Ferreira, Rita; Neuparth, Maria J.; Seixas, Fernanda; Ginja, Mário; Pires, Maria J.; Faustino-Rocha, Ana I.; Duarte, José AlbertoThis study aimed to investigate the impact of a Western diet and resistance training on cardiac remodeling in a rat model of chemically induced mammary cancer. Fifty-six female Wistar rats were randomly assigned to one of eight experimental groups, evaluating the impact of Western and standard diets, exercise and sedentarism, and the induction of mammary cancer. Mammary cancer was induced via the intraperitonea...
The role of natural compounds in rat mammary cancer: the beneficial effects of ...
Azevedo, Tiago; Silva, Jessica; Peixoto, Francisco P.; Silvestre-Ferreira, Ana C.; Gama, Adelina; Seixas, Fernanda; Finimundy, Tiane C.; Barros, LillianBreast cancer is the most diagnosed cancer among women, and a leading cause of death worldwide. Santolina chamaecyparissus L. is a plant with multiple health benefits, including anticancer and anti-diabetic properties. This study aimed to assess the chemopreventive effects of S. chamaecyparissus aqueous extract (SCE) in an animal model of mammary cancer. A total of 28 four-week-old female Wistar rats were divid...
Interplay Between Western Diet and Mammary Cancer: Data from a Chemically-induc...
Silva, Jessica; Aires, Inês; Peixoto, Francisco P.; Neuparth, Maria João; Queiroga, Felisbina; Seixas, Fernanda; Ferreira, Rita; Faustino-Rocha, AnaThis study aimed to investigate the influence of Western diet on mammary cancer in Wistar female rats, focusing on systemic responses and tumor development. Materials and Methods: Twenty-eight Wistar female rats were acclimatized and divided into four experimental groups (n=7 each): Western diet (WD), Western diet with N-methyl-N-nitrosourea (MNU) administration (WD+MNU), standard diet (CTR), and standard diet ...
Neurological lesions in cervids: a study in Portugal
Pires, Maria A.; Macêdo, J.; Seixas, Fernanda; Gama, Adelina; Alves, Anabela; Pinto, Maria de Lurdes; Pires, Isabel; Matos, Ana Cristina; Figueira, LuisBrain samples were collected within the project "CWD Risk in Portugal", profiOng the infecOous diseases epidemiological surveillance and screening of chronic wasOng disease (CWD) during cervids hunts. The literature on wild animals´ neuropathological lesions is scarse. This work aims to describe the neuropathological findings in samples collected in deer hunted in Portugal.
High levels of heavy metal(loid)s related to biliary hyperplasia in hedgehogs (...
Baptista, Catarina Jota; Seixas, Fernanda; Gonzalo-Orden, José M.; Patinha, Carla; Pato, Pedro; Silva, Eduarda Ferreira da; Casero, María; Brazio, EricaHeavy metal(loid) pollution of ecosystems is a current One Health problem. The liver is one of the most affected organs in cases of acute or chronic exposure to abnormal amounts of these substances, inducing histopathologic lesions. In order to assess the influence of heavy metal(loids), forty-five European hedgehogs (Erinaceus europaeus) were submitted to necropsy, and liver samples were collected for a routin...
Validation of the rat model of prostate cancer: correlating seminal vesicle les...
Nascimento-Gonçalves, Elisabete; Seixas, Fernanda; Oliveira, Bruno MM; Teiga-Teixeira, João; Faustino-Rocha, Ana I; Colaço, Bruno; Ferreira, RitaBackground/aim: Lesions in the seminal vesicle are described in the most used protocols for prostate cancer (PCa) induction. This study aimed to characterize the lesions of seminal vesicles associated with a protocol of PCa induction in rats to contribute to better characterization of this model. Materials and methods: Forty-five male Wistar Unilever rats were randomly divided into two control groups: CONT1 (n=...
Estimating sequence diversity of prion protein gene (PRNP) in Portuguese popula...
Pereira, Jorge C.; Gonçalves-Anjo, Nuno; Orge, Leonor; Pires, Maria dos Anjos; Rocha, Sara; Figueira, Luís; Matos, Ana Cristina; Silva, JoãoAmong the transmissible spongiform encephalopathies (TSEs), chronic wasting disease (CWD) in cervids is now a rising concern in wildlife within Europe, after the detection of the first case in Norway in 2016, in a wild reindeer and until June 2022 a total of 34 cases were described in Norway, Sweden and Finland. The definite diagnosis is post-mortem, performed in target areas of the brain and lymph nodes. Sampl...
Appraising Animal Models of Prostate Cancer for Translational Research: Future ...
Nascimento Gonçalves, Elisabete; Seixas, Fernanda; Da Costa, Rui M. Gil; Pires, Maria Joao; Neuparth, Maria Joao; Moreira-Goncalves, DanielThe growing incidence of prostate cancer has prompted a great investment in basic biology and translational studies to develop new therapies. Multiple animal models have been established to study etiological factors, cancer-preventive strategies and the molecular determinants of aggressiveness and metastases. The rat model of prostate cancer induced by chemical carcinogen N-methyl-N-nitrosourea (MNU) and testos...
Lifelong exercise training promotes the remodelling of the immune system and pr...
Nascimento-Gonçalves, Elisabete; Seixas, Fernanda; Palmeira, Carlos; Martins, Gabriela; Fonseca, Carolina; Duarte, José Alberto; Faustino-Rocha, Ana IThis work aimed to understand how lifelong exercise training promotes the remodelling of the immune system and prostate signalome in a rat model of PCa. Fifty-five male Wistar rats were divided into four groups: control sedentary, control exercised, induced PCa sedentary and induced PCa exercised. Exercised animals were trained in a treadmill for 53 weeks. Pca induction consisted on the sequential administratio...
Ultrasonographic follow-up of the multistep protocol for prostate cancer induct...
Faustino-Rocha, Ana Faustino; Seixas, Fernanda; Ferreira, Rita; Silva, Jessica; Fardilha, Margarida; Oliveira, Paula Alexandra; Ginja, MárioAim: This work intended to improve the knowledge of the rat model of prostate cancer (PCa) by ultrasonographic monitoring. Materials and Methods: Male Wistar rats were divided into control (n=8) and PCa (n=14) groups. PCa development was induced in the PCa group through the sequential administration of the anti-androgenic drug flutamide, testosterone propionate and the carcinogenic N-methyl-N-nitrosourea. The p...