Abstract:
:Chronic myeloproliferative disorders (cMPDs) are clonal hemopoietic malignancies arising at the multipotent stem cell level. These conditions are characterized by increased blood count, marrow hyperplasia and extramedulary hemopoiesis. Vascular events might complicate their course, and transformation to either acute leukemia or myelofibrosis can finally occur. Among cMPDs, Polycythemia Vera (PV), Essential Thrombocythemia (ET) and Primary Myelofibrosis (PMF) belong to the group of Ph-negative cMPDs. Although they share common pathogenetic features, these entities have a quite different prognosis. The common pathogenetic basis of Ph-negative cMPDs was recognized long ago, and it was suggested that a stimulating factor might enhance bone marrow hemopoietic activity. Hemopoietic progenitors from cMPDs show hypersensitivity to low levels of a variety of hemopoietic cytokines. The independency of erythroid precursors from erythropoietin became the first surrogate marker of an abnormal hemopoietic clone. This clone is characterized by increased proliferation and survival, as well as by decreased apoptosis, leading to the accumulation of mature blood cells that additionally show a phenotype of activated cells. Recently four independent groups have described an activating point mutation in the JAK2 kinase as a key pathogenetic event in Ph-negative cMPDs. JAK2 is a tyrosine kinase that acts as a second intracellular messenger for many hemopoietic cytokine receptors. It is now believed that jacking up hemopoiesis can explain many features of myeloproliferation. Interestingly, some features are associated with intracellular levels of mutated JAK2 (the "dosage hypothesis"). The mutation in JAK2 kinase is not an example of a genetic defect leading to a single disease, since it occurs in many other myeloid disorders, and probably represents a secondary hit in a multistep ongogenetic process. Nevertheless, it has changed the way we approach cMPD patients and has clarified many aspects of their biology.
journal_name
Curr Stem Cell Res Therjournal_title
Current stem cell research & therapyauthors
Spanoudakis E,Tsatalas Cdoi
10.2174/157488809788167445subject
Has Abstractpub_date
2009-05-01 00:00:00pages
154-60issue
2eissn
1574-888Xissn
2212-3946journal_volume
4pub_type
杂志文章,评审abstract::The intestinal mucosa has an amazing regenerative capacity, enabling rapid restoration of its physiological functions following injury. The ability to do this resides with the epithelial stem cells located within glandular invaginations in the mucosal surface. Recent advances toward the isolation and characterization ...
journal_title:Current stem cell research & therapy
pub_type: 杂志文章,评审
doi:10.2174/157488806775269124
更新日期:2006-01-01 00:00:00
abstract::The liver has a remarkable capability to restore its functional capacity following liver injury. According to the current paradigm, differentiated and usually quiescent hepatocytes are the primary cell type responsible for liver repair. As reserve compartment, bipotent hepatic progenitor cells are activated, especiall...
journal_title:Current stem cell research & therapy
pub_type: 杂志文章,评审
doi:10.2174/157488807779317062
更新日期:2007-01-01 00:00:00
abstract::Stroke is the second most common cause of death and the leading cause of disability in the world. About 30% of the people that are affected by stroke die within a year; 25% of the patients that survive stroke remain in need of care after a year. Therefore, stroke is a major burden for health care costs. The most commo...
journal_title:Current stem cell research & therapy
pub_type: 杂志文章,评审
doi:10.2174/1574888x10666150728121324
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abstract:INTRODUCTION:Retinitis pigmentosa (RP), an inherited disease characterized by progressive loss of photoreceptors and retinal pigment epithelium, is a leading genetic cause of blindness. Cell transplantation to replace lost photoreceptors is a potential therapeutic strategy, but technical limitations have prevented clin...
journal_title:Current stem cell research & therapy
pub_type: 杂志文章
doi:10.2174/1574888x09666131219115125
更新日期:2014-03-01 00:00:00
abstract::Haematopoietic stem cell transplantation (HSCT) is a curative treatment of many hematological disorders. However, although significant advances have been made in donor-recipient matching or conditioning regimens, HSCT is associated with a risk of post transplant complications. Those include generation of toxic lesions...
journal_title:Current stem cell research & therapy
pub_type: 杂志文章,评审
doi:10.2174/157488806776956850
更新日期:2006-05-01 00:00:00
abstract::Liver is a major metabolic organ of the body and is known to comprise of two epithelial cell lineages, namely, hepatocytes and cholangiocytes which are known to originate from hepatoblasts during fetal developing stages. Upon acute injury, the hepatocytes and cholangiocytes undergo cellular division to compensate the ...
journal_title:Current stem cell research & therapy
pub_type: 杂志文章
doi:10.2174/1574888x113086660066
更新日期:2014-01-01 00:00:00
abstract::Intervertebral disc (IVD) disorders, especially degenerative disc disease, reduce the quality of life, and are short of effective therapy. A new direction for treatment of chronic tissue and organ diseases is to promote regeneration by harnessing endogenous repair mechanisms. In this review, we discuss the potential o...
journal_title:Current stem cell research & therapy
pub_type: 杂志文章,评审
doi:10.2174/1574888x10666150305105114
更新日期:2015-01-01 00:00:00
abstract::COVID-19 pandemic is a global health crisis in the 21st Century. There are currently no approved vaccine and no particular antiviral treatment for coronavirus disease. As COVID-19 has had a broad range of illnesses, it is necessary to find a safe and effective therapeutic method for COVID-19. An attractive approach fo...
journal_title:Current stem cell research & therapy
pub_type: 杂志文章
doi:10.2174/1574888X15666201012165700
更新日期:2020-10-12 00:00:00
abstract::Breast cancer stem cells (BCSCs) are a small population of tumor-initiating cells that express stem cell-associated markers. In recent years, their properties and mechanisms of regulation have become the focus of intense research due to their intrinsic resistance to conventional cancer therapies. This review describes...
journal_title:Current stem cell research & therapy
pub_type: 杂志文章,评审
doi:10.2174/1574888X13666180810121415
更新日期:2019-01-01 00:00:00
abstract:AIMS:A systematic review and meta-analysis were performed to explore the clinical outcome of the transplantation of stem cells from various human tissue sources in cirrhotic patients. METHODS:The relevant papers were searched via PubMed, EMBASE, and Cochrane Library databases. Changes in liver function before and afte...
journal_title:Current stem cell research & therapy
pub_type: 杂志文章,meta分析,评审
doi:10.2174/1574888x09666141112114011
更新日期:2015-01-01 00:00:00
abstract::During the past several years, mesenchymal stem cells (MSCs) derived from adult tissue have rapidly moved from in vitro and animal studies into clinical trials as a therapeutic modality for a diverse group of clinical applications, including head and neck reconstruction. For many diseases, cell therapy could affect th...
journal_title:Current stem cell research & therapy
pub_type: 杂志文章,评审
doi:10.2174/157488810791824449
更新日期:2010-09-01 00:00:00
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journal_title:Current stem cell research & therapy
pub_type: 杂志文章
doi:10.2174/1574888X16666201221151512
更新日期:2020-12-21 00:00:00
abstract::Mesenchymal stem cells are multipotent stromal cells residing within the connective tissue of most organs. Their surface phenotype has been well described. Most commonly, mesenchymal stem cells demonstrate the ability to differentiate into mesenchymal tissues (bone, catailge, fat, etc...), however, under the proper co...
journal_title:Current stem cell research & therapy
pub_type: 杂志文章,评审
doi:10.2174/157488812799218983
更新日期:2012-03-01 00:00:00
abstract:BACKGROUND:Cellular differentiation occurs in a complicated microenvironment containing multiple components including soluble factors and physical cues. In addition to biochemical composition, physical cues are also crucial in determining cellular behaviors. OBJECTIVE:To better understand the interaction between physi...
journal_title:Current stem cell research & therapy
pub_type: 杂志文章,评审
doi:10.2174/1574888X13666180102121455
更新日期:2018-01-01 00:00:00
abstract:BACKGROUND:Articular cartilage defects often result in pain, loss of function and finally osteoarthritis. Developing cell-based therapies for cartilage repair is a major goal of orthopaedic research. Autologous chondrocyte implantation is currently the gold standard cell-based surgical procedure for the treatment of la...
journal_title:Current stem cell research & therapy
pub_type: 杂志文章,评审
doi:10.2174/1574888X12666171002111026
更新日期:2018-02-23 00:00:00
abstract::Rotator cuff tear causes a high rate of morbidity. After surgical repair, the presence of a scar tissue reduces tendon biomechanical properties. Emerging strategies for enhancing tendon healing are growth factors, cytokines, gene therapy and tissue engineering. However their efficacy has to be proved. Growth factors h...
journal_title:Current stem cell research & therapy
pub_type: 杂志文章,评审
doi:10.2174/1574888x113086660065
更新日期:2013-11-01 00:00:00
abstract::Defects in articular cartilage injury and chronic osteoarthritis are very widespread and common, and the ability of injured cartilage to repair itself is limited. Stem cell-based cartilage tissue engineering provides a promising therapeutic option for articular cartilage damage. However, the application of the techniq...
journal_title:Current stem cell research & therapy
pub_type: 杂志文章,评审
doi:10.2174/1574888X14666191029104249
更新日期:2020-01-01 00:00:00
abstract::Pluripotent stem cells (PSCs) derived from somatic cells represent a powerful experimental tool for investigating the molecular mechanisms underlying the disease phenotype; with prospects to advance medical therapies. They also have significant potential as a renewable source of autologous cells for cellular therapy. ...
journal_title:Current stem cell research & therapy
pub_type: 杂志文章,评审
doi:10.2174/1574888x10666150220154820
更新日期:2015-01-01 00:00:00
abstract::Applications of regenerative medicine technology may offer new therapies for patients with injuries, end-stage organ failure, or other clinical problems. Currently, patients suffering from diseased and injured organs can be treated with transplanted organs. However, there is a shortage of donor organs that is worsenin...
journal_title:Current stem cell research & therapy
pub_type: 杂志文章,评审
doi:10.2174/157488808783489435
更新日期:2008-01-01 00:00:00
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journal_title:Current stem cell research & therapy
pub_type: 杂志文章,评审
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更新日期:2017-01-01 00:00:00
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journal_title:Current stem cell research & therapy
pub_type: 杂志文章,评审
doi:10.2174/1574888X13666180426113907
更新日期:2018-01-01 00:00:00
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journal_title:Current stem cell research & therapy
pub_type: 杂志文章,评审
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更新日期:2015-01-01 00:00:00
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journal_title:Current stem cell research & therapy
pub_type: 杂志文章,评审
doi:10.2174/1574888x10666150904113625
更新日期:2016-01-01 00:00:00
abstract::Stem cells have been long looked at as possible therapeutic vehicles for different health related problems. Among the different existing stem cell populations, Adipose- derived Stem Cells (ASCs) have been gathering attention in the last 10 years. When compared to other stem cells populations and sources, ASCs can be e...
journal_title:Current stem cell research & therapy
pub_type: 杂志文章,评审
doi:10.2174/157488810791268564
更新日期:2010-06-01 00:00:00
abstract::Despite the numerous recent advances made in conventional anticancer therapies, metastasis and recurrence still remain the major problems in cancer management. The current treatment modalities kill the bulk of the tumor, leaving cancer stem cells behind and therefore, the agents specifically targeting this cancer init...
journal_title:Current stem cell research & therapy
pub_type: 杂志文章,评审
doi:10.2174/1574888x10666141126122316
更新日期:2015-01-01 00:00:00
abstract::Adipose-derived stem cells are adult stem cells which are easy to obtain and multi-potent. Stem-cell therapy has become a promising new treatment for many diseases, and plays an increasingly important role in the field of tissue repair, regeneration and reconstruction. The physicochemical properties of the extracellul...
journal_title:Current stem cell research & therapy
pub_type: 杂志文章
doi:10.2174/1574888X15666200502000343
更新日期:2021-01-01 00:00:00
abstract::Cell repair/replacing strategies for neurodegenerative diseases such as Parkinson's disease depend on well-characterized dopaminergic neuronal candidates that are healthy and show promising effect on the rejuvenation of degenerated area of the brain. Therefore, it is imperative to develop innovative therapeutic strate...
journal_title:Current stem cell research & therapy
pub_type: 杂志文章,评审
doi:10.2174/1574888X12666161114122059
更新日期:2017-01-01 00:00:00
abstract::Imbalance between free radicals and antioxidants causes oxidative stress by the accumulation of reactive oxygen species (ROS) in the tissues and organs. Oxidative stress occurs in many damage conditions, and the increase of ROS and reduction of antioxidants enhances inflammation, apoptosis, fibrosis and may worsen the...
journal_title:Current stem cell research & therapy
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更新日期:2020-11-24 00:00:00
abstract::Angiogenesis is a complex process in which capillaries are produced from blood vessels that already exists. Endothelial cells (ECs) and endothelial progenitor cells (EPCs) are pivotal for this process and for the maintenance/restorage of the endothelium. Decreased numbers and dysfunction of these cells have been relat...
journal_title:Current stem cell research & therapy
pub_type: 杂志文章,评审
doi:10.2174/1574888x1103160303181155
更新日期:2016-01-01 00:00:00
abstract::Parkinson's disease (PD) is characterized by loss of dopaminergic neurons, oxidative stress and neuroinflammation. The classical therapeutic approach with L-DOPA is not able to control motor symptoms in the long term, thus new disease-modifying or neuroprotective treatments are urgently required in order to match such...
journal_title:Current stem cell research & therapy
pub_type: 杂志文章,评审
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更新日期:2019-01-01 00:00:00