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Wyświetlanie 1-15 z 32
Tytuł:
Plasma cell myeloma as one of the causes of bone pain in family medicine
Autorzy:
Kade, Grzegorz
Michalak, Maciej
Kade, Bartosz
Spaleniak, Sebastian
Podgórska, Agnieszka
Hałka, Janusz
Powiązania:
https://bibliotekanauki.pl/articles/22676881.pdf
Data publikacji:
2023-05-12
Wydawca:
Medical Education
Tematy:
myeloma
hypercalcaemia
treatment
Opis:
The article draws attention to the need to maintain oncological vigilance in the daily practice of a family doctor. Diagnosis and effective treatment of hypercalcemia and plasma cell myeloma are presented.
Źródło:
OncoReview; 2023, 13, 1; 33-35
2450-6125
Pojawia się w:
OncoReview
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The mucosal mast cell and IgA plasma cell responses to primary Trichinella spiralis infection in BALB-c mice treated with ketotifen
Autorzy:
Doligalska, M
Laskowska, M.
Powiązania:
https://bibliotekanauki.pl/articles/836928.pdf
Data publikacji:
2001
Wydawca:
Polskie Towarzystwo Parazytologiczne
Tematy:
ketotifen
plasma cell
mucosal mast cell
mouse
infection
mice
mast cell
inflammation
Trichinella spiralis
Opis:
The effect of ketotifen on inflammation in the intestine during T. spiralis infection in BALB/c mice was examined. The lack of enteropathy in treated mice was accompanied to affected the size of worms and the number of worms, but did not prevent the retardation of nematodes in the intestine. Fecundity of females in vitro and the number of muscle larvae were not statistically changed after treatment. Ketotifen reduced the number of mast cells and IgA plasma cells in the intestine. As inflammatory influx, epithelial damage and IgA response are related to the action of T cells, ketotifen affected T dependent reactions in the gut of T. spiralis infected mice.
Źródło:
Annals of Parasitology; 2001, 47, 4
0043-5163
Pojawia się w:
Annals of Parasitology
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Periodic dynamics in a model of immune system
Autorzy:
Bodnar, Marek
Foryś, Urszula
Powiązania:
https://bibliotekanauki.pl/articles/1208224.pdf
Data publikacji:
2000
Wydawca:
Polska Akademia Nauk. Instytut Matematyczny PAN
Tematy:
autocorrelation function
antibody
antigen
immune system organ-target
Hopf bifurcation
plasma cell
periodicity
Opis:
The aim of this paper is to study periodic solutions of Marchuk's model, i.e. the system of ordinary differential equations with time delay describing the immune reactions. The Hopf bifurcation theorem is used to show the existence of a periodic solution for some values of the delay. Periodic dynamics caused by periodic immune reactivity or periodic initial data functions are compared. Autocorrelation functions are used to check the periodicity or quasiperiodicity of behaviour.
Źródło:
Applicationes Mathematicae; 2000, 27, 1; 113-126
1233-7234
Pojawia się w:
Applicationes Mathematicae
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The mucosal mast cell and IgA plasma cell responses to primary Trichinella spiralis infection in BALB-c mice treated with ketotifen
WPŁYW KETOTIFENU NA ODPOWIEDŹ KOMÓREK TUCZNYCH I PLAZMOCYTÓW IgA W PIERWOTNEJ INWAZJI TRICHINELLA SPIRALIS U MYSZY BALB/c
Autorzy:
Doligalska, M.
Laskowska, M.
Powiązania:
https://bibliotekanauki.pl/articles/2148474.pdf
Data publikacji:
2001
Wydawca:
Polskie Towarzystwo Parazytologiczne
Tematy:
ketotifen
plasma cell
mucosal mast cell
mouse
infection
mice
mast cell
inflammation
Trichinella spiralis
Opis:
The effect of ketotifen on inflammation in the intestine during T. spiralis infection in BALB/c mice was examined. The lack of enteropathy in treated mice was accompanied to affected the size of worms and the number of worms, but did not prevent the retardation of nematodes in the intestine. Fecundity of females in vitro and the number of muscle larvae were not statistically changed after treatment. Ketotifen reduced the number of mast cells and IgA plasma cells in the intestine. As inflammatory influx, epithelial damage and IgA response are related to the action of T cells, ketotifen affected T dependent reactions in the gut of T. spiralis infected mice.
Źródło:
Wiadomości Parazytologiczne; 2001, 47, 4; 597-601
0043-5163
Pojawia się w:
Wiadomości Parazytologiczne
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Complementary analysis of the initial value problem for a system of o.d.e. modelling the immune system after vaccinations
Autorzy:
Foryś, Urszula
Żołek, Norbert
Powiązania:
https://bibliotekanauki.pl/articles/1208222.pdf
Data publikacji:
2000
Wydawca:
Polska Akademia Nauk. Instytut Matematyczny PAN
Tematy:
VT-complex
antibody
antigen
B-cell
plasma cell
stationary state
stability
ordinary differential equations
lymphocyte
phase space
Opis:
Complementary analysis of a model of the human immune system after a series of vaccinations, proposed in [7] and studied in [6], is presented. It is shown that all coordinates of every solution have at most two extremal values. The theoretical results are compared with experimental data.
Źródło:
Applicationes Mathematicae; 2000, 27, 1; 103-111
1233-7234
Pojawia się w:
Applicationes Mathematicae
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Behaviour of Solutions to Marchuks Model Depending on a Time Delay
Autorzy:
Bodnar, M.
Foryś, U.
Powiązania:
https://bibliotekanauki.pl/articles/929743.pdf
Data publikacji:
2000
Wydawca:
Uniwersytet Zielonogórski. Oficyna Wydawnicza
Tematy:
antygen
przeciwciało
opóźnienie różniczkowe
antigen
antibody
plasma cell
organ-target
delay differential equation
stationary state
stability
bifurcation point
Opis:
Marchuk's model of an immune reaction is a system of differential equations with a time delay. The aim of this paper is to study the behaviour of solutions to Marchuk's model depending upon the delay of immune reaction and the history of an illness. We study Marchuk's model without delays, with aconstant delay and with an infinite delay. A continuous dependence on thedelay is considered. Bifurcation points are found using computer simulations.
Źródło:
International Journal of Applied Mathematics and Computer Science; 2000, 10, 1; 97-112
1641-876X
2083-8492
Pojawia się w:
International Journal of Applied Mathematics and Computer Science
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Ocena przydatności oznaczania w surowicy krwi stężenia wolnych łańcuchów lekkich immunoglobulin w diagnostyce chorych z dyskrazjami plazmocytowymi*
The usefulness of evaluating serum immunoglobulin light free chains concentration in diagnosis of patients with plasma cell disorder
Autorzy:
Gumółka, Izabela
Dryńska-Lichoń, Ewa
Basa, Joanna
Powiązania:
https://bibliotekanauki.pl/articles/1034994.pdf
Data publikacji:
2013
Wydawca:
Śląski Uniwersytet Medyczny w Katowicach
Tematy:
slfc (serum light free chain)
mm (multiple myeloma)
smm (smouldering myeloma)
mgus (monoclonal
gammopathy of undetermined significance)
cll (non-hodgkin lymphoma)
al (amyloidosis)
lcmm (light
chain myeloma)
Opis:
Patients with plasma cell disorder require a medical examination that will enable in a quick way to make a diagnosis, treatment selection and conduct patient monitoring during drug therapy. The aim of this study was to determine the concentration of serum immunoglobulin and light free chains in patients with monoclonal gammopathy. The blood serum of patients was evaluated in the Beskid Hematological Clinic Cancer Center – City Hospital in Bielsko-Biała. The serum of immunoglobulin light free chains was determined by using commercially available tests by the Binding Site company. Assay validation was performed in the serum light free chains of immunoglobulin by setting the analytical range of the method, linearity, precision, analytical sensitivity, recurrence and limit of detection as well as quantification methods. The results obtained indicate that the determination of serum immunoglobulin and light free chains is important in the diagnosis of patients with multiple myeloma and other monoclonal gammopathy, such as smouldering myeloma, light chain disease, gammopathy of undetermined significance, non-Hodgkin lymphoma and amyloidosis.
Źródło:
Annales Academiae Medicae Silesiensis; 2013, 67, 4; 249-255
1734-025X
Pojawia się w:
Annales Academiae Medicae Silesiensis
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The Cancer Cell Plasma Membrane Potentials As Energetic Equivalents to Astrophysical Properties
Autorzy:
Persinger, M. A.
Lafrenie, R. M.
Powiązania:
https://bibliotekanauki.pl/articles/411648.pdf
Data publikacji:
2014
Wydawca:
Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Tematy:
kT boundary
magnetic energy
cancer cell
entropy
noise band
Hubble's parameter
Opis:
The primary physical and chemical parameters that define the hypopolarized plasma cell membrane of malignant (cancer) cells compared to non-malignant cells reflect universal characteristics. The median value for the resting membrane potential is the constant for the Nernst equation without reference to discrepancies in ion concentrations and is identical to Boltzmann energies at 37 °C. The threshold energy defining space-time converges with access to entropic processes that are reflected in the morphology of cancer cells and tumors. Slowing of growth in cancer cell lines but not normal cells following exposure to weak (~1 to 10 μT) patterned magnetic fields occurs when the energy induced within the cell corresponds to the energy equivalent of the hypopolarized membrane potential. The optimal temporal parameters for the efficacy of these fields can be derived from Hubble‟s parameter and the transform function for “noise” or “random” patterns within the system. Quantitative solutions and experimental data indicate that the cancer cell may be dominated by entropic process that can be attenuated or blocked by temporally-structured applied magnetic fields whose intensity matches the increment of energy associated with this threshold.
Źródło:
International Letters of Chemistry, Physics and Astronomy; 2014, 17, 1; 67-77
2299-3843
Pojawia się w:
International Letters of Chemistry, Physics and Astronomy
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Inflammatory myofibroblastic tumor in the maxillary sinus with asymptomatic course excised during endoscopic surgery – a case report and review of the literature
Zapalny guz miofibroblastyczny zatoki szczękowej o bezobjawowym przebiegu usunięty podczas operacji endoskopowej – opis przypadku i przegląd literatury
Autorzy:
Poślednik, Krzysztof
Anurin, Igor
Kantor, Ireneusz
Powiązania:
https://bibliotekanauki.pl/articles/1399686.pdf
Data publikacji:
2019-10-16
Wydawca:
Index Copernicus International
Tematy:
endoscopic sinus surgery
inflammatory myofibroblastic tumor
inflammatory pseudotumor of the maxillary sinus
plasma cell granuloma
endoskopowa operacja zatok
zapalny guz miofibroblastyczny
zapalny guz rzekomy zatoki szczękowej
ziarniniak plazmatycznokomórkowy
Opis:
Introduction: Inflammatory myofibroblastic tumor (IMT) is a rare condition that can mimic potentially more dangerous states such as malignant tumors. The tumor itself can also show local malignancy as well as malignant transformation. The paranasal sinus IMT is quite a rare case in the literature. The manifestation of the disease can include face swelling, nasal obstruction, epistaxis, vision acuity worsening, numbness of the face, pain. Etiology of this type of lesion still remains uncertain but there are a few assumptions on the issue: viral and genetic, as well as posttraumatic and postinflammatory. We report a case of an adult woman with IMT detected in the right maxillary sinus after endoscopic sinus surgery. Case report: We report the case of an adult woman with IMT detected in right maxillary sinus after endoscopic sinus surgery.
Wstęp: Zapalny guz miofibroblastyczny (IMT) jest rzadkim stanem, który może naśladować potencjalnie bardziej niebezpieczne choroby, takie jak nowotwory złośliwe. Sam guz może również wykazywać miejscową złośliwość, a także złośliwą transformację. IMT zatok przynosowych jest dość rzadko opisywany w literaturze. Objawem choroby może być obrzęk twarzy, niedrożność nosa, krwawienie z nosa, pogorszenie ostrości wzroku, drętwienie twarzy, ból. Etiologia tego typu zmian nadal pozostaje niejasna, ale rozważa się następujące przyczyny powstawania guza: wirusową, genetyczną, a także pourazową i pozapalną. Niniejszy opis przypadku dotyczy dorosłej kobiety z IMT wykrytym w prawej zatoce szczękowej po endoskopowej operacji zatok. Opis przypadku: Niniejszy opis przypadku dotyczy dorosłej kobiety z IMT wykrytym w prawej zatoce szczękowej po endoskopowej operacji zatok.
Źródło:
Polski Przegląd Otorynolaryngologiczny; 2019, 8, 4; 38-41
2084-5308
2300-7338
Pojawia się w:
Polski Przegląd Otorynolaryngologiczny
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The stimulation and inhibition of T cell proliferation by Helicobacter pylori components
Autorzy:
Chmiela, M
Lelwala-Guruge, J.A.
Wadstrom, T.
Rudnicka, W.
Powiązania:
https://bibliotekanauki.pl/articles/69409.pdf
Data publikacji:
1996
Wydawca:
Polskie Towarzystwo Fizjologiczne
Tematy:
polyacrylamide gel electrophoresis
blood leucocyte
sodium dodecyl sulphate
horse
stimulation
macrophage
chronic active gastritis
Helicobacter pylori
antibody
gastric carcinoma
cell proliferation
peripheral blood
ulcer
plasma cell
lymphocyte
infiltration
inhibition
gastric lymphoma
Źródło:
Journal of Physiology and Pharmacology; 1996, 47, 1
0867-5910
Pojawia się w:
Journal of Physiology and Pharmacology
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Constitutively active guard cell plasma membrane Hplus-ATPase impairs ozone – elevated CO2־ and darkness-induced stomatal closur
Autorzy:
Nuhkat, M.
Roelfsema, M.R.G.
Kollist, H.
Powiązania:
https://bibliotekanauki.pl/articles/81254.pdf
Data publikacji:
2013
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
conference
air pollutant
plasma membrane
guard cell
ATPase
ozone
reactive oxygen species
stomatal conductance
Źródło:
BioTechnologia. Journal of Biotechnology Computational Biology and Bionanotechnology; 2013, 94, 2
0860-7796
Pojawia się w:
BioTechnologia. Journal of Biotechnology Computational Biology and Bionanotechnology
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Surface modifications of biomaterial with different cold plasma reactors to improve cell adhesion
Autorzy:
Terebun, Piotr
Kwiatkowski, Michał
Zarzeczny, Dawid
Pawłat, Joanna
Wójcik, Michał
Trzaskowska, Marta
Kazimierczak, Paulina
Przekora, Agata
Powiązania:
https://bibliotekanauki.pl/articles/2172008.pdf
Data publikacji:
2022
Wydawca:
Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Polskie Towarzystwo Biominerałów
Tematy:
curdlan
agarose
gliding arc discharge reactor
dielectric barrier discharge plasma jet
dielectric barrier discharge surface reactor
surface modification
Opis:
There is a growing trend in the engineering of biomaterials, focusing on surface modifications of biomaterials to improve their mechanical strength, corrosion resistance, and biological properties. Cold plasma treatment may improve biological properties of biomaterials for biomedical applications by enhancing their integration with host tissue. This study investigated the influence of different cold plasma treatments on the surface properties of a polysaccharides- -based biomaterial to improve cell adhesion to its surface. The samples were subjected to plasma treatment using three different reactors operating at atmospheric pressure: gliding arc discharge (GAD) reactor, dielectric barrier discharge (DBD) plasma jet, and DBD surface reactor. Next, surface chemistry of the biomaterial after plasma treatment was determined by ATR-FTIR analysis. Furthermore, a cell adhesion assay on the samples was carried out using normal human skin fibroblasts (BJ cell line). The attenuated total reflection Fourier transform infrared analysis (ATR- -FTIR) showed that new potential functional groups could be formed on the material surface after plasma treatment. However, plasma treatment of the samples did not enhance cell adhesion to the surface of the polysaccharides-based biomaterial. Thus, the obtained results indicate that plasma treatment using GAD reactor, DBD plasma jet, and DBD surface reactor was not effective for surface modification and cell responses.
Źródło:
Engineering of Biomaterials; 2022, 25, 165; 2--6
1429-7248
Pojawia się w:
Engineering of Biomaterials
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Red blood cell and plasma glutathione peroxidase activities and selenium concentration in patients with chronic kidney disease: A review
Autorzy:
Zachara, Bronisław
Gromadzińska, Jolanta
Wąsowicz, Wojciech
Zbróg, Zbigniew
Powiązania:
https://bibliotekanauki.pl/articles/1041155.pdf
Data publikacji:
2006
Wydawca:
Polskie Towarzystwo Biochemiczne
Tematy:
hemodialysis
selenium
kidney transplantation
glutathione peroxidase
chronic kidney disease
antioxidants
plasma
Opis:
The metabolism of oxygen in aerobic organisms leads to generation of reactive oxygen species (ROS). These entities are able to oxidize almost all classes of macromolecules, including proteins, lipids and nucleic acids. The physiological level of ROS is usually regulated by antioxidant defense mechanisms. There are at least three groups of antioxidant enzymes: superoxide dismutases, catalases and glutathione peroxidases (GSH-Pxs) which neutralize ROS. The trace elements (copper, zinc and selenium) bound to the active sites of the above listed enzymes play an important role in the antioxidant defense system. In mammals, a major function of selenium (Se) and Se-dependent GSH-Pxs is to protect cells from oxidative stress. Selenium concentrations and GSH-Px activities are altered in blood components of chronic kidney disease (CKD) patients. The Se level is frequently lower than in healthy subjects and the concentration very often decreases gradually with advancing stage of the disease. Studies on red cell GSH-Px activity in CKD patients reported its values significantly lower, significantly higher and lower or higher, but not significantly as compared with healthy subjects. On the other hand, all authors who studied plasma GSH-Px activity have shown significantly lower values than in healthy subjects. The degree of the reduction decreases gradually with the progression of the disease. High inverse correlations were seen between plasma GSH-Px activity and creatinine level. A gradual decrease in plasma GSH-Px activity in CKD patients is due to the fact that this enzyme is synthesized predominantly in the kidney and thus the impairment of this organ is the cause of the enzyme's lower activity. Se supplementation to CKD patients has a slightly positive effect in the incipient stage of the disease, but usually no effect was observed in end-stage CKD. Presently, kidney transplantation is the only treatment that may restore plasma Se level and GSH-Px activity in patients suffering from end-stage CKD. A few studies have shown that in kidney recipients, plasma Se concentration and GSH-Px activity are restored to normal values within a period of 2 weeks to 3 months following surgery and thus it can be acknowledged that Se supplementation to those patients has a positive effect on plasma GSH-Px activity.
Źródło:
Acta Biochimica Polonica; 2006, 53, 4; 663-677
0001-527X
Pojawia się w:
Acta Biochimica Polonica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
An MPI-based parallel code for high performance 3-D particle-in-cell ion source plasma simulation
Autorzy:
Turek, Marcin
Brzuszek, Marcin
Sielanko, Juliusz
Powiązania:
https://bibliotekanauki.pl/articles/764503.pdf
Data publikacji:
2007
Wydawca:
Uniwersytet Marii Curie-Skłodowskiej. Wydawnictwo Uniwersytetu Marii Curie-Skłodowskiej
Źródło:
Annales Universitatis Mariae Curie-Skłodowska. Sectio AI, Informatica; 2007, 6, 1
1732-1360
2083-3628
Pojawia się w:
Annales Universitatis Mariae Curie-Skłodowska. Sectio AI, Informatica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Multi-element analysis of urine using dynamic reaction cell inductively coupled plasma mass spectrometry (ICP-DRC-MS) — A practical application
Autorzy:
Brodzka, Renata
Trzcinka-Ochocka, Małgorzata
Janasik, Beata
Powiązania:
https://bibliotekanauki.pl/articles/2179785.pdf
Data publikacji:
2013-04-01
Wydawca:
Instytut Medycyny Pracy im. prof. dra Jerzego Nofera w Łodzi
Tematy:
metals
trace elements
exposure
urine
ICP-MS
Opis:
Objectives: The method for the determination of As, Al, Cd, Ni, Pb (toxic elements) and Cr, Co, Cu, Fe, Mn, Zn (essential elements) in human urine by the use of Inductively Coupled Plasma Mass Spectrometry (quadrupole ICP-MS DRCe Elan, Perkin Elmer) with the dynamic reaction cell (DRC) was developed. Materials and Methods: The method has been applied for multi-element analysis of the urine of 16 non-exposed healthy volunteers and 27 workers employed in a copper smelter. The analysis was conducted after initial 10-fold dilution of the urine samples with 0,1% nitric acid. Rhodium was used as an internal standard. The method validation parameters such as detection limit, sensitivity, precision were described for all elements. Accuracy of the method was checked by the regular use of certified reference materials ClinCheck®-Control Urine (Recipe) as well as by participation of the laboratory in the German External Quality Assessment Scheme (G-EQUAS). Results: The detection limits (DL 3s) of the applied method were 0.025, 0.007, 0.002, 0.004, 0.004, 0.086, 0.037, 0.009, 0.016, 0.008, 0.064 (μg/l) for Al, As, Cd, Cr, Co, Cu, Fe, Mn, Ni, Pb, Zn in urine, respectively. For each element linearity with correlation coefficient of at least 0.999 was determined. Spectral interferences from some of the ions were removed using DRC-e with addition of alternative gas: methane for cobalt, copper, cadmium, chromium, iron, manganese, nickel and rhodium, and oxygen for arsenic. Conclusions: The developed method allows to determine simultaneously eleven elements in the urine with low detection limits, high sensitivity and good accuracy. Moreover, the method is appropriate for the assessment of both environmental and occupational exposure.
Źródło:
International Journal of Occupational Medicine and Environmental Health; 2013, 26, 2; 302-312
1232-1087
1896-494X
Pojawia się w:
International Journal of Occupational Medicine and Environmental Health
Dostawca treści:
Biblioteka Nauki
Artykuł
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