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Wyświetlanie 1-15 z 52
Tytuł:
Stem cells are the hope of modern stomatology
Autorzy:
Gabiec, K.
Wyrzykowska, K.
Dąbrowska, Z.
Antoniak, M.
Dąbrowska, E.
Powiązania:
https://bibliotekanauki.pl/articles/1918468.pdf
Data publikacji:
2017
Wydawca:
Uniwersytet Medyczny w Białymstoku
Tematy:
Stem cells
stomatology
Opis:
Introduction: Stem cells are often hailed as the medicine of the 21st century. They provide us with potential tools to effectively counteract not only diseases, but even aging. For stomatology, stem cells are the technology of the future in the regeneration of the periodontium and pulp, and dental replantation and transplantation. Materials and methods: On the basis of a literature review, the previous achievements and potential capabilities of stem cell therapy were discussed, focusing on dental applications. Conclusions: The paper discusses the modulation of stem cells and their therapeutic potential and capabilities. The presence and properties of stem cells in the pulp of human deciduous and permanent teeth, the periodontal membrane and the dental sac are also discussed. The results of the studies conducted by the cited researchers are promising and give hope for the development of regenerative and restorative processes of the dental and periodontal tissues. Summary: In the future, stem cells obtained from primary and permanent teeth deposited in special dental banks will be able to prevent the degradation of periodontal tissue, or even heal the teeth.
Źródło:
Progress in Health Sciences; 2017, 7(1); 175-181
2083-1617
Pojawia się w:
Progress in Health Sciences
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Prospects for the use of the achievements of regenerative medicine in otorhinolaryngology
Autorzy:
Ciechanowicz, Andrzej K
Powiązania:
https://bibliotekanauki.pl/articles/1400044.pdf
Data publikacji:
2017
Wydawca:
Index Copernicus International
Tematy:
regenerative medicine
pluripotent stem cells
embryonic stem cells
very small embryonic-like stem cells
tissue engineering
Opis:
Regenerative medicine is focusing on searching for stem cells, which can be efficiently and safely used for regeneration of damaged tissues and organs. Pluripotent stem cells would be ideal for this purpose. It is because they have the ability to differentiate into cells of all three germ layers (ecto-, meso- and endoderm). One of the sources of their isolation are embryos. For many years, they are made unsuccessful attempts to use of very controversial embryonic stem cells that are isolated from embryos. So strong ethical controversy forced scientists to look for other, undoubted ethically, sources of pluripotent stem cells. Induced pluripotent stem cells are proposed, as a more promising alternative to cells isolated from embryos. Unfortunately, both embryonic stem cells and induced pluripotent stem cells tend to genetic instability leading to the formation of teratomas. In parallel studies scientists try to use of stem cells isolated from adult tissues (e.g. bone marrow cells or adipose tissue) in the regeneration of parenchymal organs. Unfortunately, there is no convincing evidence for most of these cells that can regenerate damaged parenchymal organs. Regenerative medicine more frequently is employed in the otorhinolaryngological therapies. More and more researchers’ efforts are put into the development of an effective method of stimulation (in vitro) of pluripotent stem cells isolated from adult tissue for differentiation of the renewable progenitor stem cells which can keep their potential after transplantation into the recipient (e.g. in the treatment of imbalances or hearing loss). Moreover, there are promising methods for employing of the stem cells potential in tissue engineering as they are more effectively introduced as a clinical therapies.
Źródło:
Polski Przegląd Otorynolaryngologiczny; 2017, 6, 1; 1-7
2084-5308
2300-7338
Pojawia się w:
Polski Przegląd Otorynolaryngologiczny
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Adult stem cells: hopes and hypes of regenerative medicine
Autorzy:
Dulak, Józef
Szade, Krzysztof
Szade, Agata
Nowak, Witold
Józkowicz, Alicja
Powiązania:
https://bibliotekanauki.pl/articles/1038957.pdf
Data publikacji:
2015
Wydawca:
Polskie Towarzystwo Biochemiczne
Tematy:
embryonic stem cells
induced pluripotent stem cells
myocardial infarction
very small embryonic-like stem cells
heme oxygenase-1
Opis:
Stem cells are self-renewing cells that can differentiate into specialized cell type(s). Pluripotent stem cells, i.e. embryonic stem cells (ESC) or induced pluripotent stem cells (iPSC) differentiate into cells of all three embryonic lineages. Multipotent stem cells, like hematopoietic stem cells (HSC), can develop into multiple specialized cells in a specific tissue. Unipotent cells differentiate only into one cell type, like e.g. satellite cells of skeletal muscle. There are many examples of successful clinical applications of stem cells. Over million patients worldwide have benefited from bone marrow transplantations performed for treatment of leukemias, anemias or immunodeficiencies. Skin stem cells are used to heal severe burns, while limbal stem cells can regenerate the damaged cornea. Pluripotent stem cells, especially the patient-specific iPSC, have a tremendous therapeutic potential, but their clinical application will require overcoming numerous drawbacks. Therefore, the use of adult stem cells, which are multipotent or unipotent, can be at present a more achievable strategy. Noteworthy, some studies ascribed particular adult stem cells as pluripotent. However, despite efforts, the postulated pluripotency of such events like "spore-like cells", "very small embryonic-like stem cells" or "multipotent adult progenitor cells" have not been confirmed in stringent independent studies. Also plasticity of the bone marrow-derived cells which were suggested to differentiate e.g. into cardiomyocytes, has not been positively verified, and their therapeutic effect, if observed, results rather from the paracrine activity. Here we discuss the examples of recent studies on adult stem cells in the light of current understanding of stem cell biology.
Źródło:
Acta Biochimica Polonica; 2015, 62, 3; 329-337
0001-527X
Pojawia się w:
Acta Biochimica Polonica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Stem cell biology - a never ending quest for understanding.
Autorzy:
Majka, Marcin
Kucia, Magdalena
Ratajczak, Mariusz
Powiązania:
https://bibliotekanauki.pl/articles/1041413.pdf
Data publikacji:
2005
Wydawca:
Polskie Towarzystwo Biochemiczne
Tematy:
stem cells
TCSC
plasticity
Opis:
Stem cells (SC) research is an important part of biotechnology that could lead to the development of new therapeutic strategies. A lot of effort has been put to understand biology of the stem cells and to find genes and subsequently proteins that are responsible for their proliferation, self-renewal and differentiation. Different cytokines and growth factors has been used to expand stem cells, but no combination of these factors was identified that could effectively expand the most primitive stem cells. Recently, however, genes and receptors responsible for SC proliferation and differentiation have been described. Ligands for these receptors or these genes themselves are being already used for ex vivo expansion of stem cells and the first data are very promising. New markers, such as CXCR4 and CD133, have been discovered and shown to be present on surface of hematopoietic stem cells. The same markers were recently also found to be expressed on neuronal-, hepatic- or skeletal muscle-stem cells. By employing these markers several laboratories are trying to isolate stem cells for potential clinical use. New characteristics of stem cells such as transdifferentiation and cell fusion have been described. Our team has identified a population of tissue committed stem cells (TCSC). These cells are present in a bone marrow and in other tissues and they can differentiate into several cell types including cardiac, neural and liver cells.
Źródło:
Acta Biochimica Polonica; 2005, 52, 2; 353-358
0001-527X
Pojawia się w:
Acta Biochimica Polonica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The impact of unmodified graphene - based substrates on basic properties of human umbilical cord-derived mesenchymal stem cells in vitro
Autorzy:
Noga, S.
Moździerz, A.
Sekuła, M.
Karnas, E.
Jagiełło, J.
Madeja, Z.
Lipińska, L.
Zuba-Surma, E.
Powiązania:
https://bibliotekanauki.pl/articles/285808.pdf
Data publikacji:
2018
Wydawca:
Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Polskie Towarzystwo Biominerałów
Tematy:
stem cells
graphene
substrates
Źródło:
Engineering of Biomaterials; 2018, 21, 148; 83
1429-7248
Pojawia się w:
Engineering of Biomaterials
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Leukemic stem cells: from metabolic pathways and signaling to a new concept of drug resistance targeting
Autorzy:
Styczynski, Jan
Drewa, Tomasz
Powiązania:
https://bibliotekanauki.pl/articles/1040856.pdf
Data publikacji:
2007
Wydawca:
Polskie Towarzystwo Biochemiczne
Tematy:
stem cell markers
metabolic pathways
drug resistance
leukemic stem cells
cancer stem cells
Opis:
Cancer stem cells are a small subset of cancer cells constituting a reservoir of self-sustaining cells with the exclusive ability to self-renew and maintain the tumor. These cells are identified by specific stem cell markers: antigens, molecules and signaling pathways. Transcription factors and molecules associated with oncogenesis, such as NF-κB, Bmi-1, Notch, WNT beta-catenin, Sonic hedgehog and their biochemical pathways, active only in a small minority of cancer cells might play key roles in determining the biology and the overall long-term behavior of a tumor. The molecules and pathways specific for cancer stem cells, which contribute to their drug resistance, are potential targets for new therapeutic strategies.
Źródło:
Acta Biochimica Polonica; 2007, 54, 4; 717-726
0001-527X
Pojawia się w:
Acta Biochimica Polonica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Osteogenic differentiation of human mesenchymal stem cells from adipose tissue and Whartons jelly of the umbilical cord
Autorzy:
Zajdel, Alicja
Kałucka, Magdalena
Kokoszka-Mikołaj, Edyta
Wilczok, Adam
Powiązania:
https://bibliotekanauki.pl/articles/1038664.pdf
Data publikacji:
2017
Wydawca:
Polskie Towarzystwo Biochemiczne
Tematy:
adipose derived mesenchymal stem cells
Wharton's jelly derived mesenchymal stem cells
osteogenic differentiation
Opis:
Induced osteogenesis of mesenchymal stem cells (MSCs) may provide an important tool for bone injuries treatment. Human umbilical cord and adipose tissue are routinely discarded as clinical waste and may be used as noncontroversial MSCs sources. It still remains to be verified which source of MSCs is the most suitable for bone regeneration. The aim of this research was to investigate the osteogenic potential of human MSCs derived from adipose tissue (AT-MSCs) and Wharton's jelly of the human umbilical cord (WJ-MSCs) differentiated under the same conditions. Osteogenic differentiation of MSCs was detected and quantified by alizarin red S (ARS) staining for calcium deposition and alkaline phosphatase (ALP) activity, osteoprotegerin (OPG), and osteocalcin (OC) secretion measurements. Under osteogenic conditions, after 21 days of differentiation, the measured ALP activity and calcium deposition were significantly higher in the AT-MSCs than in the WJ-MSCs, while the OPG and OC secretion were higher in the WJ-MSCs vs. AT-MSCs. Low concentrations of OPG and high levels of OC in AT-MSCs and WJ-MSCs, prove that these cells reached an advanced stage of the osteogenic differentiation. The levels of OC secreted by AT-MSCs were lower than by WJ-MSCs. Both cell types, AT-MSCs and WJ-MSCs possess a potential to differentiate towards the osteogenic lineage. The observed differences in the levels of osteogenic markers suggest that after 21-days of osteogenic differentiation, the AT-MSCs might have reached a more advanced stage of differentiation than WJ-MSCs.
Źródło:
Acta Biochimica Polonica; 2017, 64, 2; 365-369
0001-527X
Pojawia się w:
Acta Biochimica Polonica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Cell therapy for regenerative medicine: facts and controversy
Fakty i kontrowersje związane z terapią komórkową w medycynie regeneracyjnej
Autorzy:
Sarnowska, Anna
Machaliński, Bogusław
Radoszkiewicz, Klaudia
Bużańska, Leonora
Powiązania:
https://bibliotekanauki.pl/articles/2121315.pdf
Data publikacji:
2022
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
cell therapy
regenerative medicine
human mesenchymal stem cells
human induced pluripotent stem cells
Opis:
Cellular therapy, as a part of regenerative medicine, implies to the treatment of human disorders with cells as a medical product, so called – “living drugs”. Usually such therapy is applied when other alternative efficient pharmacological therapies are not available. Stem cells of different origin: 1) tissue specific e.g. hematopethic, epithelial, neuronal, limbal; 2) mesenchymal stem cells (MSC) harvested from variety of tissues; 3) pluripotent stem cells: embryonic stem cells (ESC) and induced pluripotent stem cells (iPSC) – serve as a source of cells for regenerative medicine application, depending upon disease and application re- quirements. Currently MSC are the type of stem cells that are most frequently used in registered regenerative medicine clinical trials. In this paper we provide the information on the application of cell therapy in orthopedics, hematology, ophthalmology, dermatology, gastrology and neurology. The influence of origin of MSCs and iPSCs on their mode of action as therapeutic, regenerative agents are discussed. Advantages and disadvantages of application of different cell types for cell therapy are underlined. Last, but not least current low regulations in Poland and requirements of European regulatory bodies for cell therapy are pointed out and discussed.
Źródło:
Nauka; 2021, 4; 67-92
1231-8515
Pojawia się w:
Nauka
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The expression of CD44, CD90 and CD133 in response to cisplatin in hepatocellular cancer cells
Autorzy:
Donmez Cakıl, Yaprak
Gunes Ozunal, Zeynep
Gokceoglu Kayalı, Damla
Gulhan Aktas, Ranan
Powiązania:
https://bibliotekanauki.pl/articles/2040155.pdf
Data publikacji:
2021-03-30
Wydawca:
Uniwersytet Rzeszowski. Wydawnictwo Uniwersytetu Rzeszowskiego
Tematy:
cancer
cisplatin
hepatocellular
stem cells
Opis:
Introduction. Cancer is a leading cause of mortality. Hepatocellular cancer is one of the malignancies associated with poor outcome and resistance to pharmacotherapy. Cancer stem cells (CSCs) contribute to resistance to therapy and hence lead to the treatment failure of tumors. Aim. This study aims to explore the expression of CSCs in response to cisplatin treatment in HepG2 hepatocellular cancer cell line. Material and methods. Cell proliferation test, CCK-8, was used to evaluate the cell proliferation following cisplatin treatment for 72 hours. The expressions of CSC markers CD44, CD90, and CD133 were assessed by flow cytometric analysis. Results. The results showed a dose-dependent decrease in cell proliferation and increased expression of CSC markers CD44 and CD90 in response to cisplatin. Conclusion. Understanding the roles of CSC markers may point to new targets and therapeutic strategies to predict and overcome cisplatin resistance.
Źródło:
European Journal of Clinical and Experimental Medicine; 2021, 1; 18-22
2544-2406
2544-1361
Pojawia się w:
European Journal of Clinical and Experimental Medicine
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Effects of short moderate exercise on hematological parameters and stem cells in healthy humans
Autorzy:
Sochoń, K.
Sienkiewicz, D.
Okurowska-Zawada, B.
Paszko-Patej, G.
Wojtkowski, J.
Dmitruk, E.
Żak, J
Kułak, W.
Powiązania:
https://bibliotekanauki.pl/articles/1918279.pdf
Data publikacji:
2016
Wydawca:
Uniwersytet Medyczny w Białymstoku
Tematy:
Exercise
healthy subjects
stem cells
Opis:
Introduction: Exercise at various durations and intensities impact on blood and stem cells. This pilot study examined the effects of 30 minutes of treadmill walking on hematological indices and progenitor stem cells CD34+ in healthy subjects. Materials and methods: A total of 17 non-smoking, healthy students, aged 20 to 22 years participated. Hemoglobin, hematocrit, white blood cells, platelets, and stem cell CD34+ numbers were assessed before and after moderate exercise. Statistical analyses examined the relationships between CD34+ cells versus hematological indices, age, and body mass index. Results: Following exercise, significant increases were observed in leukocytes, neutrophils, eosinophils, and CD34+ cells numbers. For CD34+ cells, a fourfold increase was seen. Significant correlations between CD34+ cells, white blood cells, and neutrophils were found. Conclusion: Our results suggest that moderate exercise has a physiological impact on hematologic parameters and stem cells CD34+ in healthy subjects. Furthermore, our findings suggest that brief treadmill exercise may enhance tissue repair mechanisms so important in physiotherapy.
Źródło:
Progress in Health Sciences; 2016, 6(2); 184-187
2083-1617
Pojawia się w:
Progress in Health Sciences
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Application of biotechnological methods in stem cell transplantation
Autorzy:
Kempka, Katarzyna
Kamiński, Piotr
Kasprzak, Mariusz
Malukiewicz, Grażyna
Bogdzińska, Maria
Powiązania:
https://bibliotekanauki.pl/articles/1065281.pdf
Data publikacji:
2019
Wydawca:
Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Tematy:
bioreactor
biotechnological methods
stem cells
transplantology
Opis:
Currently much attention is paid to the use of stem cells in transplantation. The reason for this interest are the characteristic regenerative capabilities of stem cells and their ability to regenerate and differentiate. Stem cells are becoming the basic unit in regenerative medicine and are increasingly used in transplantation. Currently used innovative methods during cell culture are also a field of activity for biotechnology, which deals with the improvement of methods and looks for new applications of stem cells. The work aims to familiarize the properties and applications of stem cells and present selected techniques for their culture for transplantation. Based on the collected data, it can be concluded that new sources of stem cells should be constantly sought. The improve and create new diagnostic tools and culture media, as well as construct systems that would allow stem cells to be cultured with right orientation.
Źródło:
World Scientific News; 2019, 135; 188-201
2392-2192
Pojawia się w:
World Scientific News
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Regulatory RNAs in Planarians
Autorzy:
Pawlicka, Kamila
Perrigue, Patrick
Barciszewski, Jan
Powiązania:
https://bibliotekanauki.pl/articles/1038722.pdf
Data publikacji:
2016
Wydawca:
Polskie Towarzystwo Biochemiczne
Tematy:
planarians
RNAi
miRNA
regeneration
stem cells
Opis:
The full scope of regulatory RNA evolution and function in epigenetic processes is still not well understood. The development of planarian flatworms to be used as a simple model organism for research has shown a great potential to address gaps in the knowledge in this field of study. The genomes of planarians encode a wide array of regulatory RNAs that function in gene regulation. Here, we review planarians as a suitable model organism for the identification and function of regulatory RNAs.
Źródło:
Acta Biochimica Polonica; 2016, 63, 4; 681-686
0001-527X
Pojawia się w:
Acta Biochimica Polonica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Adhesion, growth and osteogenic differentiation of human bone marrow mesenchymal stem cells on positively and negatively charged ferroelectric crystal surfaces
Autorzy:
Bacakova, L.
Vandrovcova, M.
Vanek, P.
Petzelt, J.
Powiązania:
https://bibliotekanauki.pl/articles/284786.pdf
Data publikacji:
2016
Wydawca:
Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Polskie Towarzystwo Biominerałów
Tematy:
biomaterials
mesenchymal stem cells
crystal surfaces
Źródło:
Engineering of Biomaterials; 2016, 19, 138; 28
1429-7248
Pojawia się w:
Engineering of Biomaterials
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Novel approach for utilization of poly(α-esters) and mesenchymal stem cells in vascular tissue engineering
Autorzy:
Sekula, M.
Domalik-Pyzik, P.
Morawska-Chochół, A.
Bobis-Wozowicz, S.
Madeja, Z.
Chłopek, J.
Zuba-Surma, E.
Powiązania:
https://bibliotekanauki.pl/articles/284129.pdf
Data publikacji:
2016
Wydawca:
Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Polskie Towarzystwo Biominerałów
Tematy:
tissue engineering
mesenchymal stem cells
esters
Źródło:
Engineering of Biomaterials; 2016, 19, 138; 23
1429-7248
Pojawia się w:
Engineering of Biomaterials
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Graphene-based substrates influence biological and functional properties of human umbilical cord-derived mesenchymal stem cells
Autorzy:
Sekuła, M.
Karnas, E.
Jagiełło, J.
Noga, S.
Adamczyk, E.
Dżwigońska, M.
Kmiotek, K.
Baran, M.
Madeja, Z.
Lipińska, L.
Zuba-Surma, E.
Powiązania:
https://bibliotekanauki.pl/articles/284454.pdf
Data publikacji:
2016
Wydawca:
Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Polskie Towarzystwo Biominerałów
Tematy:
mesenchymal stem cells
cardiovascular diseases
regeneration
Źródło:
Engineering of Biomaterials; 2016, 19, 138; 24
1429-7248
Pojawia się w:
Engineering of Biomaterials
Dostawca treści:
Biblioteka Nauki
Artykuł
Wyświetlanie 1-15 z 52

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