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Impact of Three-Dimentional Culture Systems on Hepatic Differentiation of Puripotent Stem Cells and Beyond

Ramasamy TS, Ong ALC, Cui W

Adv Exp Med Biol, 2018 10 26;1077:41-66.
PMID: 30357683 DOI: 10.1007/978-981-13-0947-2_4

Generation of functional hepatocytes from human pluripotent stem cells (hPSCs) is a vital tool to produce large amounts of human hepatocytes, which hold a great promise for biomedical and regenerative medicine applications. Despite a tremendous progress in developing the differentiation protocols recapitulating the developmental signalling and stages, these resulting hepatocytes from hPSCs yet achieve maturation and functionality comparable to those primary hepatocytes. The absence of 3D milieu in the culture and differentiation of these hepatocytes may account for this, at least partly, thus developing an optimal 3D culture could be a step forward to achieve this aim. Hence, review focuses on current development of 3D culture systems for hepatic differentiation and maturation and the future perspectives of its application.

Matched MeSH terms: Pluripotent Stem Cells/cytology*
Importance of Stem Cell Migration and Angiogenesis Study for Regenerative Cell-based Therapy: A Review

Aziz NS, Yusop N, Ahmad A

Curr Stem Cell Res Ther, 2020;15(3):284-299.
PMID: 31985383 DOI: 10.2174/1574888X15666200127145923

Stem cells play an essential role in maintaining homeostasis, as well as participating in new tissue regeneration. Over the past 20 years, a great deal of effort has been made to investigate the behaviour of stem cells to enable their potential use in regenerative medicine. However, a variety of biological characteristics are known to exist among the different types of stem cells due to variations in the methodological approach, formulation of cell culture medium, isolation protocol and cellular niches, as well as species variation. In recent years, cell-based therapy has emerged as one of the advanced techniques applied in both medical and clinical settings. Cell therapies aim to treat and repair the injury sites and replace the loss of tissues by stimulating the repair and regeneration process. In order to enable the use of stem cells in regenerative therapies, further characterisation of cell behaviour, in terms of their proliferation and differentiation capacity, mainly during the quiescent and inductive state is regarded as highly necessary. The central focus of regenerative medicine revolves around the use of human cells, including adult stem cells and induced pluripotent stem cells for cell-based therapy. The purpose of this review was to examine the existing body of literature on stem cell research conducted on cellular angiogenesis and migration, to investigate the validity of different strategies and variations of the cell type used. The information gathered within this review may then be shared with fellow researchers to assist in future research work, engaging in stem cell homing for cell-based therapy to enhance wound healing and tissue regeneration process.

Matched MeSH terms: Stem Cells/cytology*
Regenerative Potential of Stem Cells Derived from Human Exfoliated Deciduous (SHED) Teeth during Engineering of Human Body Tissues

Fuloria S, Jain A, Singh S, Hazarika I, Salile S, Fuloria NK

Curr Stem Cell Res Ther, 2021;16(5):507-517.
PMID: 33390148 DOI: 10.2174/1574888X16999201231213206

The current decade witnesses the regenerative potential of Stem Cells (SCs) based lifesaving therapies for the treatment of various disease conditions. Human teeth act as a reservoir for SCs that exist in high abundance in baby, wisdom, and permanent teeth. The collection of Stem cells from Human Exfoliated Deciduous teeth (SHED) is considered a simple process as it offers the convenience of little or no pain. In comparison to the SCs from dental or bone marrow or other tissues, the SHED offers the benefit of higher cellular differentiation and proliferation. Massive in vitro and in vivo studies reveal the regenerative potential of SHED in the engineering of the dental pulp tissue, neuronal tissue, root, bio root, cardiovascular tissues, lymphatic tissues, renal tissues, dermal tissues, hepatic tissues, and bone tissues. The current review describes the methods of collection/ isolation/storage, various biomarkers, and types of SHED. This review highlights the regenerative potential of SHED in the engineering of different tissues of the human body. As per the available research evidence, the present study supports that SHED may differentiate into the endothelial cells, neurons, odontoblasts, pancreatic β-cells, hepatocytes, renal cells, fibroblasts, osteoblasts, and many other types of cells. The present study recommends that further clinical trials are required before the clinical application of SHED-based therapies.

Matched MeSH terms: Stem Cells/cytology*
The potential role of mesenchymal stem cells in modulating antiageing process

Govindasamy V, Rajendran A, Lee ZX, Ooi GC, Then KY, Then KL, et al.

Cell Biol Int, 2021 Oct;45(10):1999-2016.
PMID: 34245637 DOI: 10.1002/cbin.11652

Ageing and age-related diseases share some basic origin that largely converges on inflammation. Precisely, it boils down to a common pathway characterised by the appearance of a fair amount of proinflammatory cytokines known as inflammageing. Among the proposed treatment for antiageing, MSCs gained attention in recent years. Since mesenchymal stem cells (MSCs) can differentiate itself into a myriad of terminal cells, previously it was believed that these cells migrate to the site of injury and perform their therapeutic effect. However, with the more recent discovery of huge amounts of paracrine factors secreted by MSCs, it is now widely accepted that these cells do not engraft upon transplantation but rather unveil their benefits through excretion of bioactive molecules namely those involved in inflammatory and immunomodulatory activities. Conversely, the true function of these paracrine changes has not been thoroughly investigated all these years. Hence, this review will describe in detail on ways MSCs may capitalize its paracrine properties in modulating antiageing process. Through a comprehensive literature search various elements in the antiageing process, we aim to provide a novel treatment perspective of MSCs in antiageing related clinical conditions.

Matched MeSH terms: Hematopoietic Stem Cells/cytology*
Stem cells differentiation and probing their therapeutic applications in hematological disorders: a critical review

Ali F, Taresh S, Al-Nuzaily M, Mok PL, Ismail A, Ahmad S

Eur Rev Med Pharmacol Sci, 2016 Oct;20(20):4390-4400.
PMID: 27831631

Numerous lines of evidence support that bone marrow is a rich source of stem cells that can be used for research purposes and to treat some complex blood diseases and cancers. Stem cells are a potential source for regenerative medicine and tissue replacement after injury or disease, and mother cells that possess the capacity to become any type of cell in the body. They are cells without specific structure and characterized by their ability to self-renew or multiply while maintaining the potential to develop into other types of cells. Stem cells can normally become cells of the blood, heart, bones, skin, muscles or brain. Although, there are different sources of stem cells, all types of stem cells have the same capacity to develop into multiple types of cells. Stem cells are generally described as unspecialized cells with unlimited proliferation capacity that can divide (through mitosis) to produce more stem cells. Several types of adult stem cells have been characterized and can be cultured in vitro, including neural stem cells, hematopoietic stem cells, mesenchymal stem cells, cardiac stem cells and epithelial stem cells. They are valuable as research tools and might, in the future, be used to treat a wide range of diseases such as hematological hereditary diseases, Parkinson's disease, diabetes mellitus, heart disease and many other diseases. Currently, two types of stem cells have been identified based on their origins, namely embryonic stem cells and adult stem cells. Collectively, although many kinds of literature have been studying stem cell application in terms of clinical practice, stem cell-based therapy is still in its infancy stage.

Matched MeSH terms: Stem Cells/cytology
Growth medium with low serum and transforming growth factor beta 3 promotes better chondrogenesis of bone marrow-derived stem cells in vitro and in vivo

Alfaqeh HH, Hui CK, Saim AB, Idrus RB

Saudi Med J, 2011 Jun;32(6):640-1.
PMID: 21666950
Matched MeSH terms: Stem Cells/cytology*
Fulltext Derivation and long-term culture of an embryonic stem cell-like line from zebrafish blastomeres under feeder-free condition

Ho SY, Goh CW, Gan JY, Lee YS, Lam MK, Hong N, et al.

Zebrafish, 2014 Oct;11(5):407-20.
PMID: 24967707 DOI: 10.1089/zeb.2013.0879

Existing zebrafish embryonic stem (ES) cell lines are derived and maintained using feeder layers. We describe here the derivation and long-term culture of an ES cell-like line derived from zebrafish blastomeres without the use of feeder cells. This line, designated as ZES1, has been maintained for more than 800 days in defined Dulbecco's modified Eagle's medium supplemented with fetal bovine serum, zebrafish embryo extract, trout serum, and human basic fibroblast growth factor. ZES1 cells possessed a morphology typical of ES cells, being round or polygonal in shape with a large nucleus and sparse cytoplasm and were mostly diploid. The cells formed individual colonies consisting of tightly packed cells that stained positively for alkaline phosphatase. ZES1 cells also formed embryoid bodies when transferred onto uncoated wells. The pluripotent nature of ZES1 cells was confirmed when they could be induced to differentiate in vitro into several cell types, through low- or high-density culture conditions. Treatment with retinoic acid also induced the differentiation of ZES1 cells into primarily neuronal cells. Using immunostaining and real-time polymerase chain reaction, we showed that Sox2, a known pluripotent marker in mammalian ES cells, was also present in ZES1 cells. Chimera experiments revealed that fluorescent-labeled ZES1 cells microinjected into zebrafish blastulas participated in the formation of all three germ layers. Using GFP-labeled ZES1 cells, chimera germline transmission was also demonstrated at the F1 generation. In conclusion, ZES1 cells possess both in vitro and in vivo pluripotency characteristics, indicating that nonmammalian ES cells can be readily derived and maintained for a long term under feeder-free culture conditions.

Matched MeSH terms: Embryonic Stem Cells/cytology
Fulltext Evaluation of in vitro osteoblast and osteoclast differentiation from stem cell: a systematic review of morphological assays and staining techniques

Zainal Ariffin SH, Megat Abdul Wahab R, Abdul Razak M, Yazid MD, Shahidan MA, Miskon A, et al.

PeerJ, 2024;12:e17790.
PMID: 39071131 DOI: 10.7717/peerj.17790

BACKGROUND: Understanding human stem cell differentiation into osteoblasts and osteoclasts is crucial for bone regeneration and disease modeling. Numerous morphological techniques have been employed to assess this differentiation, but a comprehensive review of their application and effectiveness is lacking.
METHODS: Guided by the PRISMA framework, we conducted a rigorous search through the PubMed, Web of Science and Scopus databases, analyzing 254 articles. Each article was scrutinized against pre-defined inclusion criteria, yielding a refined selection of 14 studies worthy of in-depth analysis.
RESULTS: The trends in using morphological approaches were identified for analyzing osteoblast and osteoclast differentiation. The three most used techniques for osteoblasts were Alizarin Red S (mineralization; six articles), von Kossa (mineralization; three articles) and alkaline phosphatase (ALP; two articles) followed by one article on Giemsa staining (cell morphology) and finally immunochemistry (three articles involved Vinculin, F-actin and Col1 biomarkers). For osteoclasts, tartrate-resistant acid phosphatase (TRAP staining) has the highest number of articles (six articles), followed by two articles on DAPI staining (cell morphology), and immunochemistry (two articles with VNR, Cathepsin K and TROP2. The study involved four stem cell types: peripheral blood monocyte, mesenchymal, dental pulp, and periodontal ligament.
CONCLUSION: This review offers a valuable resource for researchers, with Alizarin Red S and TRAP staining being the most utilized morphological procedures for osteoblasts and osteoclasts, respectively. This understanding provides a foundation for future research in this rapidly changing field.

Matched MeSH terms: Stem Cells/cytology
Derivation of neurospheres from bone marrow stromal cells

Ng AM, Westerman K, Kojima K, Kodoma S, Aminuddin BS, Ruszymah BH, et al.

Med J Malaysia, 2008 Jul;63 Suppl A:7-8.
PMID: 19024958

Nerve stem cells have a unique characteristic in that they form spherical aggregates, also termed neurospheres, in vitro. The study demonstrated the successful derivation of these neurospheres from bone marrow culture. Their plasticity as nerve stem cells was confirmed. The findings further strengthens the pluripotency of cell populations within the bone marrow.

Matched MeSH terms: Multipotent Stem Cells/cytology*; Adult Stem Cells/cytology*
Scalable production of pancreatic islet progenitors for diabetes cell therapies

Lock LT, Tzanakakis ES

Med J Malaysia, 2008 Jul;63 Suppl A:5-6.
PMID: 19024957

Embryonic stem cells (ESCs) can be an inexhaustible source of islet cells for transplantation. Previously published protocols have been characterized by low differentiation efficiency. In this study, we developed a scalable system for the growth and differentiation of hESCs towards pancreatic islets. Our results showed that hESCs can be grown on microcarriers to a larger scale and directed to differentiate into pancreatic progenitor endoderm cells. This culture system would represent an economical differentiation protocol that can be scaled-up to meet the demand in islet transplantation.

Matched MeSH terms: Stem Cells/cytology; Embryonic Stem Cells/cytology*
In vitro expression of erythropoietin by transfected human mesenchymal stromal cells

Mok PL, Cheong SK, Leong CF, Othman A

Cytotherapy, 2008;10(2):116-24.
PMID: 18368590 DOI: 10.1080/14653240701816996

Mesenchymal stromal cells (MSC) are pluripotent progenitor cells that can be found in human bone marrow (BM). These cells have low immunogenicity and could suppress alloreactive T-cell responses. In the current study, MSC were tested for their capacity to carry and deliver the erythropoietin (EPO) gene in vitro.

Matched MeSH terms: Hematopoietic Stem Cells/cytology; Pluripotent Stem Cells/cytology
Inherent differential propensity of dental pulp stem cells derived from human deciduous and permanent teeth

Govindasamy V, Abdullah AN, Ronald VS, Musa S, Ab Aziz ZA, Zain RB, et al.

J Endod, 2010 Sep;36(9):1504-15.
PMID: 20728718 DOI: 10.1016/j.joen.2010.05.006

Lately, several new stem cell sources and their effective isolation have been reported that claim to have potential for therapeutic applications. However, it is not yet clear which type of stem cell sources are most potent and best for targeted therapy. Lack of understanding of nature of these cells and their lineage-specific propensity might hinder their full potential. Therefore, understanding the gene expression profile that indicates their lineage-specific proclivity is fundamental to the development of successful cell-based therapies.

Matched MeSH terms: Stem Cells/cytology; Pluripotent Stem Cells/cytology; Adult Stem Cells/cytology
Fulltext Pluripotent Human embryonic stem cell derived neural lineages for in vitro modelling of enterovirus 71 infection and therapy

Yap MS, Tang YQ, Yeo Y, Lim WL, Lim LW, Tan KO, et al.

Virol J, 2016 Jan 06;13:5.
PMID: 26738773 DOI: 10.1186/s12985-015-0454-6

The incidence of neurological complications and fatalities associated with Hand, Foot & Mouth disease has increased over recent years, due to emergence of newly-evolved strains of Enterovirus 71 (EV71). In the search for new antiviral therapeutics against EV71, accurate and sensitive in vitro cellular models for preliminary studies of EV71 pathogenesis is an essential prerequisite, before progressing to expensive and time-consuming live animal studies and clinical trials.

Matched MeSH terms: Human Embryonic Stem Cells/cytology*; Neural Stem Cells/cytology*
Autogenic feeder free system from differentiated mesenchymal progenitor cells, maintains pluripotency of the MEL-1 human embryonic stem cells

Khoo TS, Hamidah Hussin N, Then SM, Jamal R

Differentiation, 2013 Feb;85(3):110-8.
PMID: 23722082 DOI: 10.1016/j.diff.2013.01.004

Human embryonic stem cells (hESc) are known for its pluripotency and self renewal capability, thus possess great potential in regenerative medicine. However, the lack of suitable xenofree extracellular matrix substrate inhibits further applications or the use of hESc in cell-based therapy. In this study, we described a new differentiation method, which generates a homogeneous population of mesenchymal progenitor cells (hESc-MPC) from hESc via epithelial-mesenchymal transition. The extracellular matrix (ECM) proteins from hESc-MPC had in turn supported the undifferentiated expansion of hESc. Immunocytochemistry and flow cytometry characterization of hESc-MPC revealed the presence of early mesenchymal markers. Tandem mass spectometry analysis of ECM produced by hESc-MPC revealed the presence of a mixture of extracellular proteins which includes tenascin C, fibronectin, and vitronectin. The pluripotency of hESc (MEL-1) cultured on the ECM was maintained as shown by the expression of pluripotent genes (FoxD3, Oct-4, Tdgf1, Sox-2, Nanog, hTERT, Rex1), protein markers (SSEA-3, SSEA-4, TRA-1-81, TRA-1-60, Oct-4) and the ability to differentiate into cells representative of ectoderm, endoderm and mesoderm. In summary, we have established a xeno-free autogenic feeder free system to support undifferentiated expansion of hESc, which could be of clinical relevance.

Matched MeSH terms: Pluripotent Stem Cells/cytology; Embryonic Stem Cells/cytology*
Fulltext 5-Azacytidine is insufficient for cardiogenesis in human adipose-derived stem cells

Wan Safwani WK, Makpol S, Sathapan S, Chua KH

J Negat Results Biomed, 2012;11:3.
PMID: 22221649 DOI: 10.1186/1477-5751-11-3

Adipose tissue is a source of multipotent adult stem cells and it has the ability to differentiate into several types of cell lineages such as neuron cells, osteogenic cells and adipogenic cells. Several reports have shown adipose-derived stem cells (ASCs) have the ability to undergo cardiomyogenesis. Studies have shown 5-azacytidine can successfully drive stem cells such as bone marrow derived stem cells to differentiate into cardiomyogenic cells. Therefore, in this study, we investigated the effect 5-azacytidine on the cardiogenic ability of ASCs.

Matched MeSH terms: Stem Cells/cytology*; Embryonic Stem Cells/cytology
Human chorion-derived stem cells: changes in stem cell properties during serial passage

Fariha MM, Chua KH, Tan GC, Tan AE, Hayati AR

Cytotherapy, 2011 May;13(5):582-93.
PMID: 21231803 DOI: 10.3109/14653249.2010.549121

BACKGROUND AIMS: Fetal membrane from human placenta tissue has been described as a potential source of stem cells. Despite abundant literature on amnion stem cells, there are limited studies on the stem cell properties of chorion-derived stem cells.
METHODS: The main aim was to determine the stemness properties of serial-passaged human chorion-derived stem cells (hCDSC). Quantitative polymerase chain reaction (PCR) was performed to reveal the following stemness gene expression in serial-passaged hCDSC: Oct-4, Sox-2, FGF-4, Rex-1, TERT, Nanog (3), Nestin, FZD-9, ABCG-2 and BST-1. Cell growth rate was evaluated from passage (P) 1 until P5. The colony-forming unit-fibroblast (CFU-F) frequency of P3 and P5 cells and multilineage differentiation potential of P5 cells were determined. The immunophenotype of hCDSC was compared using the surface markers CD9, CD31, CD34, CD44, CD45, CD73, CD90, CD117, HLA-ABC and HLA-DR, -DP and -DQ. Immunostaining for trophoblast markers was done on P0, P1, P3 and P5 cells to detect the contamination of trophoblasts in culture, while chromosomal abnormality was screened by cytogenetic analysis of P5 cells.
RESULTS: The surface markers for mesenchymal lineage in hCDSC were more highly expressed at P5 compared with P3 and P0, indicating the increased purity of these stem cells after serial passage. Indeed, all the stemness genes except TERT were expressed at P1, P3 and P5 hCDSC. Furthermore, human chorion contained high clonogenic precursors with a 1:30 CFU-F frequency. Successful adipogenic, chondrogenic and osteogenic differentiation demonstrated the multilineage potential of hCDSC. The karyotyping analysis showed hCDSC maintained chromosomal stability after serial passage.
CONCLUSIONS: hCDSC retain multipotent potential even at later passages, hence are a promising source for cell therapy in the future.

Matched MeSH terms: Multipotent Stem Cells/cytology*; Embryonic Stem Cells/cytology*
Co-culture of mesenchymal-like stromal cells derived from human foreskin permits long term propagation and differentiation of human embryonic stem cells

Mamidi MK, Pal R, Mori NA, Arumugam G, Thrichelvam ST, Noor PJ, et al.

J Cell Biochem, 2011 May;112(5):1353-63.
PMID: 21337383 DOI: 10.1002/jcb.23052

Among the different parameters governing the successful derivation and expansion of human embryonic stem cells (hESC), feeder layers play the most important role. Human feeders in form of human mesenchymal stromal cells (hMSCs) and human foreskin fibroblasts (HFFs) lay the foundation for eradication of animal-derived hESC culture system. In this study we explored the potential of human foreskin derived mesenchymal like stromal cells (HF-MSCs) to support self renewal and pluripotency of hESC. The MSCs isolated from human foreskin were found to be resistant to standard concentrations and duration of mitomycin-C treatment. Growth pattern, gene profiling (Oct-4, Nanog, Sox-2, Rex-1), cytoskeletal protein expression (vimentin, nestin) and tri-lineage differentiation potential into adipocytes, chondrocytes and osteocytes confirmed their mesenchymal stromal cell status. Further, the HF-MSCs were positive for CD105, CD166, CD73, CD44, CD90, SSEA-4, and negative for CD34, CD45, HLA-DR cell-surface markers and were found to exhibit BM-MSC-like characteristics. hESC lines co-cultured with HF-MSC feeders showed expression of expected pluripotent transcription factors Oct-4, Nanog, Sox-2, GDF-3, Rex-1, STELLAR, ABCG2, Dppa5, hTERT; surface markers SSEA-4, TRA-1-81 and maintained their cytogenetic stability during long term passaging. These novel feeders also improved the formation of embryoid bodies (EBs) from hESC which produced cell types representing three germ layers. This culture system has the potential to aid the development of clinical-grade hESCs for regenerative medicine and drug screening. Further, we envisage foreskin can serve as a valuable source of alternative MSCs for specific therapeutic applications.

Matched MeSH terms: Pluripotent Stem Cells/cytology*; Embryonic Stem Cells/cytology*
Fulltext Different isolation methods alter the gene expression profiling of adipose derived stem cells

Gnanasegaran N, Govindasamy V, Musa S, Kasim NH

Int J Med Sci, 2014;11(4):391-403.
PMID: 24669199 DOI: 10.7150/ijms.7697

Human adipose stem cells (ASCs) has been in the limelight since its discovery as a suitable source of mesenchymal stem cells (MSCs) in regenerative medicine. Currently, two major techniques are used to isolate ASCs, namely liposuction and tissue biopsy. These two methods are relatively risk-free but the question as to which method could give a more efficient output remains unclear. Thus, this study was carried out to compare and contrast the output generated in regards to growth kinetics, differentiation capabilities in vitro, and gene expression profiling. It was found that ASCs from both isolation methods were comparable in terms of growth kinetics and tri-lineage differentiation. Furthermore, ASCs from both populations were reported as CD44(+), CD73(+), CD90(+), CD166(+), CD34(-), CD45(-) and HLA-DR(-). However, in regards to gene expression, a group of overlapping genes as well as distinct genes were observed. Distinct gene expressions indicated that ASCs (liposuction) has endoderm lineage propensity whereas ASCs (biopsy) has a tendency towards mesoderm/ectoderm lineage. This information suggests involvement in different functional activity in accordance to isolation method. In conclusion, future studies to better understand these gene functions should be carried out in order to contribute in the applicability of each respective cells in regenerative therapy.

Matched MeSH terms: Stem Cells/cytology*
Retropatellar fat pad-derived stem cells from older osteoarthritic patients have lesser differentiation capacity and expression of stemness genes

Chua KH, Zaman Wan Safwani WK, Hamid AA, Shuhup SK, Mohd Haflah NH, Mohd Yahaya NH

Cytotherapy, 2014 May;16(5):599-611.
PMID: 24290076 DOI: 10.1016/j.jcyt.2013.08.013

The use of retropatellar fat pad-derived mesenchymal stromal cells (RFMSCs) for cell-based therapy, particularly for cartilage repair, has been reported by several investigators in recent years. However, the effects of the donor's age and medical condition on the characteristics of RFMSCs have not been well established. The aim of this study was to determine whether age and medical condition can reduce the multipotential of stem cells isolated from the retropatellar fat pad.

Matched MeSH terms: Stem Cells/cytology*
Fulltext Characterization of mononucleated human peripheral blood cells

Ab Kadir R, Zainal Ariffin SH, Megat Abdul Wahab R, Kermani S, Senafi S

ScientificWorldJournal, 2012;2012:843843.
PMID: 22666162 DOI: 10.1100/2012/843843

Unspecialized cells that can renew themselves and give rise to multiple differentiated cell types are termed stem cells. The objective of this study was to characterize and investigate, through molecular and biochemical analyses, the stemness of cells derived from isolated mononucleated cells that originated from peripheral blood. The isolated mononucleated cells were separated according to their physical characteristics (adherent and suspension), after 4 to 7 days into a 14-day culturing period in complete medium. Our results revealed that adherent and suspension cells were positive for mesenchymal stem cell (MSC) and hematopoietic stem cell (HSC) markers, respectively. Differentiation of adherent cells into osteoblasts was associated with expression of the OPN gene and increasing ALP enzyme activity, while differentiation of suspension cells into osteoclasts was associated with expression of the TRAP gene and increasing TRAP enzyme activity. In conclusion, molecular and biochemical analyses showed that mononucleated cells consist of MSC (adherent) and HSC (suspension), and both cell types are able to differentiate into specialized cells from their respective lineage: osteoblast (MSC) and osteoclast (HSC).

Matched MeSH terms: Hematopoietic Stem Cells/cytology

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