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  1. Article: Role of Apoptotic Cell Clearance in Pneumonia and Inflammatory Lung Disease.

    Zheng, David Jiao / Abou Taka, Maria / Heit, Bryan

    Pathogens (Basel, Switzerland)

    2021  Volume 10, Issue 2

    Abstract: Pneumonia and inflammatory diseases of the pulmonary system such as chronic obstructive pulmonary disease and asthma continue to cause significant morbidity and mortality globally. While the etiology of these diseases is highly different, they share a ... ...

    Abstract Pneumonia and inflammatory diseases of the pulmonary system such as chronic obstructive pulmonary disease and asthma continue to cause significant morbidity and mortality globally. While the etiology of these diseases is highly different, they share a number of similarities in the underlying inflammatory processes driving disease pathology. Multiple recent studies have identified failures in efferocytosis-the phagocytic clearance of apoptotic cells-as a common driver of inflammation and tissue destruction in these diseases. Effective efferocytosis has been shown to be important for resolving inflammatory diseases of the lung and the subsequent restoration of normal lung function, while many pneumonia-causing pathogens manipulate the efferocytic system to enhance their growth and avoid immunity. Moreover, some treatments used to manage these patients, such as inhaled corticosteroids for chronic obstructive pulmonary disease and the prevalent use of statins for cardiovascular disease, have been found to beneficially alter efferocytic activity in these patients. In this review, we provide an overview of the efferocytic process and its role in the pathophysiology and resolution of pneumonia and other inflammatory diseases of the lungs, and discuss the utility of existing and emerging therapies for modulating efferocytosis as potential treatments for these diseases.
    Language English
    Publishing date 2021-01-29
    Publishing country Switzerland
    Document type Journal Article ; Review
    ZDB-ID 2695572-6
    ISSN 2076-0817
    ISSN 2076-0817
    DOI 10.3390/pathogens10020134
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  2. Article ; Online: Evaluating the Effects of Kidney Preservation at 10 °C with Hemopure and Sodium Thiosulfate in a Rat Model of Syngeneic Orthotopic Kidney Transplantation.

    Abou Taka, Maria / Dugbartey, George J / Richard-Mohamed, Mahms / McLeod, Patrick / Jiang, Jifu / Major, Sally / Arp, Jacqueline / O'Neil, Caroline / Liu, Winnie / Gabril, Manal / Moussa, Madeleine / Luke, Patrick / Sener, Alp

    International journal of molecular sciences

    2024  Volume 25, Issue 4

    Abstract: Kidney transplantation is preferred for end-stage renal disease. The current gold standard for kidney preservation is static cold storage (SCS) at 4 °C. However, SCS contributes to renal graft damage through ischemia-reperfusion injury (IRI). We ... ...

    Abstract Kidney transplantation is preferred for end-stage renal disease. The current gold standard for kidney preservation is static cold storage (SCS) at 4 °C. However, SCS contributes to renal graft damage through ischemia-reperfusion injury (IRI). We previously reported renal graft protection after SCS with a hydrogen sulfide donor, sodium thiosulfate (STS), at 4 °C. Therefore, this study aims to investigate whether SCS at 10 °C with STS and Hemopure (blood substitute), will provide similar protection. Using in vitro model of IRI, we subjected rat renal proximal tubular epithelial cells to hypoxia-reoxygenation for 24 h at 10 °C with or without STS and measured cell viability. In vivo, we preserved 36 donor kidneys of Lewis rats for 24 h in a preservation solution at 10 °C supplemented with STS, Hemopure, or both followed by transplantation. Tissue damage and recipient graft function parameters, including serum creatinine, blood urea nitrogen, urine osmolality, and glomerular filtration rate (GFR), were evaluated. STS-treated proximal tubular epithelial cells exhibited enhanced viability at 10 °C compared with untreated control cells (
    MeSH term(s) Rats ; Animals ; Kidney Transplantation ; Organ Preservation ; Graft Survival ; Rats, Inbred Lew ; Kidney ; Reperfusion Injury/drug therapy ; Reperfusion Injury/prevention & control ; Hemoglobins ; Thiosulfates
    Chemical Substances HBOC 201 (1XQE66T19H) ; sodium thiosulfate (HX1032V43M) ; Hemoglobins ; Thiosulfates
    Language English
    Publishing date 2024-02-12
    Publishing country Switzerland
    Document type Journal Article
    ZDB-ID 2019364-6
    ISSN 1422-0067 ; 1422-0067 ; 1661-6596
    ISSN (online) 1422-0067
    ISSN 1422-0067 ; 1661-6596
    DOI 10.3390/ijms25042210
    Database MEDical Literature Analysis and Retrieval System OnLINE

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