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Wyświetlanie 1-9 z 9
Tytuł:
Anti-cancer effect of betulin and its derivatives, with particular emphasis on the treatment of melanoma
Autorzy:
Cabaj, J.
Bak, W.
Wroblewska-Luczka, P.
Powiązania:
https://bibliotekanauki.pl/articles/2098520.pdf
Data publikacji:
2021
Wydawca:
Instytut Medycyny Wsi
Tematy:
neoplastic disease
melanoma
skin cancer
cancer therapy
anticancer effect
triterpene
betulin
betulic acid
Opis:
Introduction. Neoplastic diseases are a common cause of death, especially in developed countries. Various methods are used in cancer therapy including natural substances. Terpenes and terpenoids play a special role, including betulin and betulinic acid with the pentacyclic structure of lupane. They have a wide range of pharmacological activity, among which anti-cancer activity attracts the greatest attention. Abbreviated description of the state of knowledge. The review discusses the pharmacological effects of betulin and its derivatives on tumours, and focuses on the potential of its application in the treatment of melanoma. The review study also presents future prospects for the use of this natural substance. Betulin and its derivatives have the ability to influence the processes of apoptosis, angiogenesis and autophagy. Additionally, they have the ability to sensitize, increasing the sensitivity to commonly used methods of cancer treatment. To-date, numerous studies have been carried out on the synthesis of betulinic acid derivatives, which would show greater polarity and activity compared to the starting compound. Due to their greater bioavailability, the modified compounds showed a stronger anti-tumour effect. Conclusion. The results of the above-mentioned studies confirm the anti-cancer properties of betulin. Regarding melanoma, betulin shows significant therapeutic efficacy. This gives new perspectives for the treatment of the most dangerous skin cancer.
Źródło:
Journal of Pre-Clinical and Clinical Research; 2021, 15, 2; 73-79
1898-2395
Pojawia się w:
Journal of Pre-Clinical and Clinical Research
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Efficacy of crizotinib therapy for a patient with non-small cell lung cancer with ALK gene rearrangement – case report and review of current therapeutic options
Autorzy:
Bargiel, J.B.
Cabaj, J.
Chmielewska, I.
Milanowski, J.
Powiązania:
https://bibliotekanauki.pl/articles/2098542.pdf
Data publikacji:
2021
Wydawca:
Instytut Medycyny Wsi
Tematy:
non-small cell lung cancer
crizotinib
therapy
gene rearrangement
tyrosine kinase inhibitor
patient
Opis:
Introduction. Currently, nearly 23,000 cases of lung cancer are diagnosed in Poland annually, of which 5% are cases with rearrangements in the ALK gene. In recent years, tremendous progress has been made in understanding the genetic makeup of this type of cancer, which has enabled the use of new therapies, in particular, molecularly targeted drugs. Crizotinib is the first oral small molecule inhibitor of ALK, MET and ROS1 receptor tyrosine Kinases approved by the European Medicines Agency(EMA). Case report. The paper presents the case of a 62-year-old patient diagnosed with non-small cell lung cancer with rearrangement in the ALK gene in stage IV of the disease. The patient was qualified for treatment with crizotinib under the B6 drug programme. Treatment started in May 2019. During treatment, assessment was made at 3 control points, where the first and second showed a partial response according to the RECIST 1.1 scale; in the next assessment, the response was maintained in the form of disease stabilization.
Źródło:
Journal of Pre-Clinical and Clinical Research; 2021, 15, 3; 151-154
1898-2395
Pojawia się w:
Journal of Pre-Clinical and Clinical Research
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Fallow deer (Dama dama) as a new intermediate host for Sarcocystis cruzi
Autorzy:
Bien, J.
Gozdzik, K.
Moskwa, B.
Cabaj, W.
Powiązania:
https://bibliotekanauki.pl/articles/6361.pdf
Data publikacji:
2016
Wydawca:
Polskie Towarzystwo Parazytologiczne
Tematy:
fallow deer
Dama dama
new host
Sarcocystis cruzi
protozoan parasite
parasite
animal parasite
Źródło:
Annals of Parasitology; 2016, 62, Suppl.
0043-5163
Pojawia się w:
Annals of Parasitology
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Heterotrophic bacteria from brackish water of the Southern Baltic Sea: biochemical and molecular identification and characterisation
Autorzy:
Cabaj, A.
Palinska, K.
Kosakowska, A.
Kurlenda, J.
Powiązania:
https://bibliotekanauki.pl/articles/48857.pdf
Data publikacji:
2006
Wydawca:
Polska Akademia Nauk. Instytut Oceanologii PAN
Tematy:
molecular identification
surface water
biochemical identification
rDNA sequence analysis
Baltic Sea
Bacillaceae
brackish water
heterotrophic bacteria
Opis:
Six bacterial strains isolated from the surface water of the southern Baltic Sea were described on the basis of their morphological, physiological and biochemical features, and were classified on the basis of 16S rDNA sequence analysis. Comparative analyses of the 16S rDNA sequences of five of the six bacterial strains examined displayed a ≥98% similarity to the sequences available in the NCBI GenBank. The 16S rDNA sequence of strain 2 shared only a 96% similarity with other published sequences, which suggests that this is a new, hitherto unknown species. The isolated heterotrophic bacteria belong to the families Bacillaceae (strain 1), Flexibacteriaceae (strain 2), Sphingomonadaceae (strains 3, 5), Micrococcaceae (strain 4) and Aurantimonadaceae (strain 6). This is the first study in which the polyphasic approach has been applied to the identification of heterotrophic bacteria from the brackish waters of the Gulf of Gdańsk and Gdańsk Deep.
Źródło:
Oceanologia; 2006, 48, 4
0078-3234
Pojawia się w:
Oceanologia
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Neurotransmitters detection using a fluorescence-based sensor with graphene quantum dots
Autorzy:
Baluta, S.
Cabaj, J.
Malecha, K.
Powiązania:
https://bibliotekanauki.pl/articles/175014.pdf
Data publikacji:
2017
Wydawca:
Politechnika Wrocławska. Oficyna Wydawnicza Politechniki Wrocławskiej
Tematy:
sensor
dopamine
fluorescence
Förster resonance energy transfer
quantum dots
Opis:
In the paper, the development and performance of an optical sensor for detection of neurotransmitters (dopamine) is presented. The concentration of dopamine is measured basing on fluorescence quenching of graphene quantum dots. In the sensor, the dopamine molecules coat the graphene quantum dots surface – in result, the quenching of fluorescence occurs due to the Förster resonance energy transfer. The changes in fluorescence correspond to specific concentrations of the neurotransmitter in tested samples, so it is possible to accurately determine the concentration of dopamine in the sample.
Źródło:
Optica Applicata; 2017, 47, 2; 225-231
0078-5466
1899-7015
Pojawia się w:
Optica Applicata
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Serological monitoring of Toxoplasma gondii and Neospora caninum in sheep, goats and fallow deer farmed together on the same area
Autorzy:
Moskwa, B.
Kornacka, A.
Cybulska, A.
Cabaj, W.
Bogdaszewski, M.
Bogdaszewska, Z.
Reiterova, K.
Justyna Bien, J.
Powiązania:
https://bibliotekanauki.pl/articles/6373.pdf
Data publikacji:
2016
Wydawca:
Polskie Towarzystwo Parazytologiczne
Tematy:
serological monitoring
parasite
Toxoplasma gondii
Neospora caninum
sheep
goat
fallow deer
farm
Źródło:
Annals of Parasitology; 2016, 62, Suppl.
0043-5163
Pojawia się w:
Annals of Parasitology
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Seroprevalence of Neospora caninum in free living and farmed red deer [Cervus elaphus] in Poland
Autorzy:
Gozdzik, K
Jakubek, E.B.
Bjorkman, C.
Bien, J.
Moskwa, B.
Cabaj, W.
Powiązania:
https://bibliotekanauki.pl/articles/32072.pdf
Data publikacji:
2010
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
Polska
free living red deer
farmed red deer
red deer
Cervus elaphus
seroprevalence
Neospora caninum
ELISA test
immunoblot
animal disease
animal infection
Opis:
Serum samples from 47 free living and 106 farmed red deer (Cervus elaphus) from the Mazurian Lake District in north-east Poland were investigated for the presence of antibodies to Neospora caninum. A modified Neospora iscom-ELISA was used for initial screening. All sera with optical density (OD) values exceeding 0.400 absorbance units were further investigated by Western blot analysis. Eighteen sera were positive in both tests. Six of these were from free living and 12 from farmed animals giving prevalence of 13 and 11%, respectively. This is the first report of N. caninum infection in farmed and free-living red deer living in the same region where neosporosis was confirmed in cattle and the first evidence of exposure to the parasite in red deer in Poland.
Źródło:
Polish Journal of Veterinary Sciences; 2010, 13, 1; 117-120
1505-1773
Pojawia się w:
Polish Journal of Veterinary Sciences
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The estimation of different ELISA procedures for serodiagnosis of human trichinellosis
Autorzy:
Moskwa, B.
Bień, J.
Cabaj, W.
Korinkova, K.
Koudela, B.
Kacprzak, E.
Stefaniak, J.
Powiązania:
https://bibliotekanauki.pl/articles/2144348.pdf
Data publikacji:
2006
Wydawca:
Polskie Towarzystwo Parazytologiczne
Tematy:
parasite
human disease
serodiagnosis
diagnosis
trichinellosis
ELISA test
zoonotic disease
ELISA procedure
excretory-secretory antigen
Trichinella spiralis
human outbreak
Opis:
Introduction. The most important confirmative diagnostic test for trichinellosis is the presence of the muscle larvae in a tissue biopsy but this direct method has a low sensitivity of light and moderate infections. The aim of presented study was to compare the usefulness of the results obtained by three ELISA procedures for Trichinella spp. diagnosis in human outbreaks. Materials and methods. All sera (cases and controls) were tested for anti-Trichinella antibodies (immunoglobulin G) using commercially available Novatec KIT and two other ELISA procedures based on excretory-secretory (ES) antigens on Trichinella spiralis muscle larvae. The main differences in ELISA procedures were: the protein concentration in antigen, dilution of human serum samples, conjugate and the time of conjugate incubation. Additional differences were noticed in ES antigen preparation procedures as well as in T. spiralis isolates used in these procedures. Serum samples were obtained from 22 symptomatical patients from Poznań region (West Poland), geographic area where human outbreak had occurred. Control serum samples were obtained from 20 patients from an open population from a non endemic trichinellosis area. Results. The results were analyzed in terms of both: statistical and epidemiological point of view. Linear regression analysis and correlations coefficient r between OD values of total 22 patients obtained in three ELISA procedures were positive and high statistically significant. Three ELISA procedures revealed different cut-off values and positivity rates for outbreak. However, the majority of positive samples were found as positive in three procedures, but some of them were positive in two or one procedure only. These individual variability in sera reactivity observed in three ELISA procedures could be very important from epidemiological point of view.
Źródło:
Wiadomości Parazytologiczne; 2006, 52, 3; 231-238
0043-5163
Pojawia się w:
Wiadomości Parazytologiczne
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The estimation of different ELISA procedures for serodiagnosis of human trichinellosis
Autorzy:
Moskwa, B
Bien, J.
Cabaj, W.
Korinkova, K.
Koudela, B.
Kacprzak, E.
Stefaniak, J.
Powiązania:
https://bibliotekanauki.pl/articles/839966.pdf
Data publikacji:
2006
Wydawca:
Polskie Towarzystwo Parazytologiczne
Tematy:
parasite
human disease
serodiagnosis
diagnosis
trichinellosis
ELISA test
zoonotic disease
ELISA procedure
excretory-secretory antigen
Trichinella spiralis
human outbreak
Opis:
Introduction. The most important confirmative diagnostic test for trichinellosis is the presence of the muscle larvae in a tissue biopsy but this direct method has a low sensitivity of light and moderate infections. The aim of presented study was to compare the usefulness of the results obtained by three ELISA procedures for Trichinella spp. diagnosis in human outbreaks. Materials and methods. All sera (cases and controls) were tested for anti-Trichinella antibodies (immunoglobulin G) using commercially available Novatec KIT and two other ELISA procedures based on excretory-secretory (ES) antigens on Trichinella spiralis muscle larvae. The main differences in ELISA procedures were: the protein concentration in antigen, dilution of human serum samples, conjugate and the time of conjugate incubation. Additional differences were noticed in ES antigen preparation procedures as well as in T. spiralis isolates used in these procedures. Serum samples were obtained from 22 symptomatical patients from Poznań region (West Poland), geographic area where human outbreak had occurred. Control serum samples were obtained from 20 patients from an open population from a non endemic trichinellosis area. Results. The results were analyzed in terms of both: statistical and epidemiological point of view. Linear regression analysis and correlations coefficient r between OD values of total 22 patients obtained in three ELISA procedures were positive and high statistically significant. Three ELISA procedures revealed different cut-off values and positivity rates for outbreak. However, the majority of positive samples were found as positive in three procedures, but some of them were positive in two or one procedure only. These individual variability in sera reactivity observed in three ELISA procedures could be very important from epidemiological point of view.
Źródło:
Annals of Parasitology; 2006, 52, 3
0043-5163
Pojawia się w:
Annals of Parasitology
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-9 z 9

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