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  • 1
    Online Resource
    Online Resource
    San Diego :Elsevier Science & Technology,
    Keywords: COVID-19 (Disease)-Prevention. ; COVID-19 (Disease)-Treatment. ; Stem cells-Therapeutic use. ; Electronic books.
    Type of Medium: Online Resource
    Pages: 1 online resource (250 pages)
    Edition: 1st ed.
    ISBN: 9780323886239
    DDC: 616.02774
    Language: English
    Note: Intro -- Stem Cells and COVID-19 -- Copyright -- Contents -- Contributors -- Preface -- Chapter 1 Introduction -- References -- Chapter 2 Characteristics and immunobiology of COVID-19 -- Introduction -- Structure and etiology -- Pathology of infection -- Immunology and signaling mechanisms -- Cytokine storm -- Current treatment approaches -- Translational avenues and perspectives -- Acknowledgments -- Conflict of Interests -- References -- Chapter 3 An insight into the molecular mechanisms of mesenchymal stem cells and their translational approaches to combat ... -- Introduction and background -- Pathophysiology of SARS-CoV-2 -- Conventional and contemporary translational approaches to combat COVID-19 -- Drugs -- Convalescent plasma therapy -- Vaccines -- Stem cell therapy as a novel translation approach against the COVID-19 pandemic -- Molecular mechanisms exhibited by mesenchymal stem cells to combat SARS-CoV-2 infection -- Regeneration by differentiation -- Immunomodulatory and antiinflammatory effect of MSCs -- Mitochondrial transfer as a rescue mechanism -- The paracrine effect -- Conclusion and outlook for the future -- Acknowledgment -- Conflict of interest -- Financial support -- References -- Chapter 4 Inflammatory multisystem syndrome in COVID-19: Insights on off-target organ system in susceptible and recovering ... -- Introduction -- Antigen processing and immune responses in COVID-19 -- Cytokine storm -- Inflammation in COVID-19 -- Respiratory system failure -- Cardiovascular manifestations in COVID-19 -- Neurological and renal manifestation of COVID-19 -- GI tract manifestations -- Conclusion -- Acknowledgment -- References -- Chapter 5 Cytokine storm and stem cell activation in unveiling potential targets for diagnosis and therapy -- Introduction -- Cytokine storms -- Cytokine storms in viral respiratory infections. , Influenza shapes the idea of a cytokine storm -- Lessons from SARS -- The COVID-19 cytokine storm -- Cytokine storms and stem cells -- Impact of cytokines on stem cell activation -- Using mesenchymal stem cells as COVID-19 therapies -- Conclusion -- Acknowledgments -- References -- Chapter 6 Mesenchymal stem cells: Novel avenues in combating COVID-19 -- Introduction -- Alveolar cell and SARS-COVID-19 -- Cytokine storm -- Mechanism of cytokine storm -- The reason behind using mesenchymal stem cells -- Bioprinting and COVID-19 -- Prebioprinting -- Bioprinting -- Postbioprinting -- Stereolithography -- Inkjet bioprinting -- Laser-assisted printing -- Extrusion printing -- In vitro organ models and organ chips for lungs modeling -- Paracrine and immunomodulatory effects of MSCs -- Conclusion -- References -- Chapter 7 Immunomodulatory properties of mesenchymal stem cells and hematopoietic stem cells-Potential therapeutic target ... -- Introduction -- COVID-19 and the cytokine storm -- MSC as a cellular therapy -- Specific immunomodulatory changes -- Lung damage and restoration by MSC administration -- Hematopoietic stem cells -- Translational potential of MSCs -- Conclusion -- Acknowledgments -- References -- Chapter 8 COVID-19 and acute myocardial injury: Stem cell driven tissue remodeling in COVID-19 infection -- Introduction -- COVID-19: Etiology, transmission, structure, and pathophysiology -- COVID-19-CVD comorbidity -- Stem cells in cardiac remodeling -- ACE2 signaling and cardiac pathology COVID-19 infection -- Stem cell activation and signaling in ACE2 upregulation -- Cytokine surge and stem cell activation in MI -- Sheddases' response in cardiac stem cell differentiation (major focus to TMPRSS2, CTSL, and ADAM17) -- Perspectives in COVID-19 and cardiac responses -- Translational avenues and future -- References. , Chapter 9 Stem cell-driven tissue regeneration as treatment for COVID-19 -- Introduction -- Management of COVID-19 by stem cells -- Tissue-resident stem cells -- Hematopoietic stem cells -- Embryonic stem cells -- Mesenchymal stem cells -- Stem cell activation during pathology -- Growth factors as a vital target -- COVID-19 clinical trials -- Potential drawbacks of the trials -- To consider [65] -- Summary and significance -- References -- Chapter 10 Stem cell transplantation for COVID-19 management: Translational possibilities and future -- Introduction -- Sources of stem cells -- Use of different types of stem cells in translational research -- Current COVID-19 related clinical trials using stem cells -- Challenges of using stem cells and future perspective -- Conclusion -- References -- Chapter 11 Therapeutic scale stem cell-derived exosomes for COVID-19: Models-Validation, management, and strategies -- Introduction to Covid-19 -- Pathophysiology -- Interventions -- Stem cell population/product condition addressed outcome -- Exosome for management -- Exosome challenges -- References -- Chapter 12 Current strategies and future perspectives in COVID-19 therapy -- Introduction -- COVID-19: An overview -- SARS-CoV-2 virus etiology -- SARS-CoV-2 structure -- Manifestation and transmission of COVID-19 -- Modes of transmission -- Contact and droplet transmission -- Airborne transmission -- Fomite transmission -- Other modes of transmission -- Prevention of transmission -- COVID-19 diagnosis -- Current treatment strategies -- Drug repurposing for pathogen targeting -- Immunomodulation in COVID-19 -- Immune response against SARS-CoV-2 -- Potential immunotherapy in COVID-19 -- Biological immunomodulating drugs -- Targeted synthetic immunosuppressants -- Role of anticoagulant, antiplatelet therapy, and statins in COVID-19. , Anticoagulant therapy for patients admitted with COVID-19 -- Antiplatelet therapy for patients admitted with COVID-19 -- Correlation between statins and COVID-19 -- Convalescent plasma therapy -- Cell-based therapy -- Vaccines -- Future perspectives -- Impact of formulations and route of administration -- Biomaterial and tissue engineering strategies -- Biomaterial-based drug delivery systems -- Biomaterial-based vaccine platforms -- 3D in vitro tissue models -- Conclusion -- Acknowledgments -- References -- Index.
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  • 2
    ISSN: 1573-4919
    Keywords: G-proteins ; parotid gland ; exocytosis ; granule membranes ; ADP ribosylation
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology , Medicine
    Notes: Abstract We have identified by immunoblotting and ADP-ribosylation by cholera toxin and pertussis toxin the presence of Mr 43 and 46 KDa Gsα, and 39 and 41 KDa Giα;.. subunits in rat parotid gland plasma membranes but not in granule membranes. A Mr 28 KDa polypeptide that served as substrate for ADP-ribosylation by both cholera toxin and pertussis toxin was present exclusively in granule membranes. Photoaffinity crosslinking of [α-32P]GTP showed the presence of high molecular weight GTP-binding proteins (Mr 160,100 KDa) in granule membranes. Six low molecular weight GTP-binding proteins (Mr 21–28 KDa) were differentially distributed in both plasma membranes and granule membranes. The present study identifies various GTP-binding proteins in rat parotid gland plasma membranes and granule membranes, and demonstrates the presence of distinct molecular weight GTP-binding proteins in granule membranes. These granule-associated GTP-binding proteins may be involved in secretory processes.
    Type of Medium: Electronic Resource
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  • 3
    ISSN: 1573-4919
    Keywords: protein tyrosine kinase ; monocytes ; macrophages ; G-proteins
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology , Medicine
    Notes: Abstract Monocytic U937 cells were differentiated into mature macrophages in the presence of 100 nM phorbol 12-myristate 13-acetate (PMA) for 24 h at 37°C. We investigated the alterations in the expression of GTP-binding proteins that take place during differentiation of these cells. A 40 KDa α-subunit of the inhibitory G-protein was identified by specific antibodies to Giα-1/2 and Giα-3 on Western blots and also by ADP-ribosylation catalyzed by pertussis toxin. The expression of the 40 KDa Giα subunit was increased 3.4 fold in differentiated cells. The expression of a 43 kDa Gsα subunit identified by Western blotting using specific antibody to Gsα and by ADP-ribosylation in the presence of cholera toxin was increased approximately 2 fold in differentiated cells. A faintly recognizable 46 KDa Gsα subunit was also increased but to a lesser extent (1.3 fold). Small molecular weight GTP-binding proteins identified by [35S]GTPγS binding on nitrocellulose blots were also increased significantly. The PMA-induced expression of Giα-1/2 and Gsα subunits was blocked to control level by both genistein and staurosporine, inhibitors of protein tyrosine kinase and protein kinase C, respectively. However, staurosporine was unable to block the PMA-induced expression of Giα-3; this was blocked only by genistein. These data suggest a role for tyrosine kinase and protein kinase C in the expression of G-proteins during differentiation of U937 cells.
    Type of Medium: Electronic Resource
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  • 4
    Electronic Resource
    Electronic Resource
    Springer
    Molecular and cellular biochemistry 154 (1996), S. 179-184 
    ISSN: 1573-4919
    Keywords: G-proteins ; airway smooth muscle ; ADP-ribosylation ; immunoblotting ; photolabeling ; nitrocellulose blot overlay
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology , Medicine
    Notes: Abstract The identity of G-proteins in airway smooth muscle is not well elucidated. In the present study, by immunoblotting using AS/7 antibody specific for Giα−1/2, EC/2 antibody specific for Giα−3 and RM/1 antibody specific for GSa, we identified, respectively, Mr 39, 41, 46 and 52 KDa, Mr 41 and 43 KDa, and Mr 43 and 46 KDa polypeptides of conventional (heterotrimeric) G-proteins in purified membranes of bovine tracheal smooth muscle. The identity of the Mr 41, 43 and 52 KDa Giα, and the Mr 43 and 46 Gsα was also confirmed by ADP-ribosylation with pertussis and cholera toxins, respectively. In addition, the common antibody (AG/1) for both Giα and Gsα revealed the presence of all the above polypeptides, except the Mr 52 KDa band. By nitrocellulose blot overlay with [35S]GTPγS, we also detected seven low molecular weight GTP-binding proteins of Mr 18–30 KDa in the bovine tracheal smooth muscle. Photoaffinity crosslinking of [α-32P]GTP demonstrated the presence of high molecular GTP-binding proteins of Mr 55, 75 and 110 KDa. It is concluded that plasma membranes of bovine tracheal smooth muscle contain various types of conventional, low molecular weight and high molecular weight G-proteins. This warrantes further attention to elucidate the functional roles of G-proteins in airway smooth muscle.
    Type of Medium: Electronic Resource
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  • 5
    Electronic Resource
    Electronic Resource
    Springer
    Molecular and cellular biochemistry 159 (1996), S. 33-38 
    ISSN: 1573-4919
    Keywords: protein tyrosine kinase ; monocytes ; endothelin-1
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology , Medicine
    Notes: Abstract Mediators including the neuropeptide endothelin-1 (ET-1), which are released in response to injury, modulate the expression of cell adhesion molecules on leukocytes and endothelial cells. The mechanisms underlying this process are not clear. In this study we investigated the effect of endothelin-1 on the expression of tyrosine phosphorylated proteins in human blood monocytes. Endothelin-1 caused an increase in tyrosine phosphorylated proteins in monocytes in a time-dependent and dose-dependent manner, the Mr 60, 80 and 110 kDa proteins being the most prominent. This effect was blocked by pre-incubating the monocytes with the selective tyrosine kinase inhibitors genistein or herbimycin A. Endothelin-1-induced upregulation of tyrosine phosphorylated proteins appears to be mediated by the ETAreceptor. Unlike our previously reported studies in endothelial cells, immunoprecipitation with anti-src or anti-JAK antibodies followed by immunoblotting with PY20 in human blood monocytes revealed that these proteins of Mr 60, 80 and 110 kDa were not related to src or JAK kinases. These findings suggest that ET-1 exerts its effect on monocytes by a pathway involving tyrosine kinases other than src or JAK kinases.
    Type of Medium: Electronic Resource
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  • 6
    ISSN: 1615-5947
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Neuropeptide Y (NPY) is a potent vasoconstrictive polypeptide colocalized with norepinephrine in sympathetic neurons. The effects of ischemia and reperfusion on plasma NPY levels were studied and compared in the mongrel dog after infrarenal aortic cross-clamping. We found a two-to threefold increase in NPY levels during ischemia (initial 10.0 ± 1.8 pmol/L vs. maximum 24.7 ± 2.31 pmole/L,p 〈 0.001). The increase in NPY remained following reperfusion (initial 10.0 ± 0.8 pmole/L vs. maximum 23.9 ± 2.31 pmole/L,p 〈 0.001). These data reveal that NPY is released during ischemia and reperfusion and may be involved in mediating remote vascular events associated with infrarenal aortic cross-clamping.
    Type of Medium: Electronic Resource
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  • 7
    ISSN: 1615-5947
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Blunt trauma involving the innominate and carotid arteries is a rare occurrence that can be lethal or have serious neurologic sequelae. To our knowledge this is the first reported case in the international literature describing the association of posttraumatic innominate, artery aneurysm with total occlusion and thrombosis of the common carotid artery at its origin by an intimal flap. The diagnostic problems created by this unusual injury are discussed. In this case the patency of the distal portion of the common and internal carotid arteries was demonstrated by magnetic resonance angiography (MRA), whereas color duplex and digital arteriographic studies were unsuccessful. This demonstration was crucial to patient management. Since no studies are available comparing color duplex imaging, conventional arteriography, and MRA in the evaluation of blunt carotid trauma, this case study is presented to demonstrate the utility of MRA in emergency situations. In addition, we analyze the possible pathogenesis and discuss the surgical treatment.
    Type of Medium: Electronic Resource
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  • 8
    ISSN: 1573-2576
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Eosinophils have been recognized to be associated with various immune responses and disease processes including bronchial asthma. Eosinophils release a number of cytotoxic and neurotoxic mediators. However, the factors regulating such release and the underlying mechanisms are unclear. In this study, we investigated the effect of a selective and potent thromboxane synthase inhibitor, DP-1904, on the release of eosinophil cationic protein (ECP) in platelet activating factor (PAF) and IgG-stimulated human blood eosinophils. PAF (1 μM) and IgG both released ECP which constituted about 25–30% of the total ECP content. The control protein, ovalbumin, did not release any ECP over the basal values. DP-1904 in two different concentrations, 10 μM and 100 μM, significantly attenuated the release of ECP in response to PAF or IgG. The mean percent inhibition by 10 μM DP-1904 was 49 ± 10 and 31 ± 2 against PAF and IgG-induced ECP release, respectively. However, at 100 μM DP-1904 the percent inhibition was 76 ± 14 and 67 ± 2, respectively. These data suggest that TXA2 is an important mediator in the regulation of eosinophil degranulation, and DP-1904 thus might prove beneficial in the treatment of bronchial asthma.
    Type of Medium: Electronic Resource
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  • 9
    Electronic Resource
    Electronic Resource
    New York, NY [u.a.] : Wiley-Blackwell
    Clinical Anatomy 8 (1995), S. 222-226 
    ISSN: 0897-3806
    Keywords: arterial embolism ; developmental anomalies ; thoracic outlet syndrome ; thrombolysis ; urokinase ; Life and Medical Sciences ; Miscellaneous Medical
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Medicine
    Notes: Thoracic outlet syndrome (TOS) represents a constellation of symptoms arising from the compression of the neurovascular bundle as it exits the thorax. We report a unique case of multiple rare anatomical anomalies resulting in TOS manifested by distal arterial embolism. These anomalies include the combination of: (1) a unilateral right cervical rib, Gruber's type II (Gruber 1869), (2) nonunion of the first thoracic rib, (3) abnormal fibrous insertions of the anterior scalene muscle onto the epineurium of the brachial plexus and adventitia of the subclavian artery, (4) anterior position of the brachial plexus in relation to the third portion of the subclavian artery, and (5) the bifurcation of a single root of the phrenic nerve at the level of the anterior scalene muscle. This series of findings suggest an underlying developmental abnormality with a delayed onset of symptomatology consisting of the thoracic outlet syndrome. © 1995 WiIey-Liss, Inc.
    Additional Material: 5 Ill.
    Type of Medium: Electronic Resource
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