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  • Bentham Science Publishers Ltd.  (4)
  • English  (4)
  • 1
    In: Reviews on Recent Clinical Trials, Bentham Science Publishers Ltd., Vol. 14, No. 3 ( 2019-08-21), p. 189-202
    Abstract: The 20th century represents a breakthrough in the transplantation era, since the first kidney transplantation between identical twins was performed. This was the first case of tolerance, since the recipient did not need immunosuppression. However, as transplantation became possible, an immunosuppression-free status became the ultimate goal, since the first tolerance case was a clear exception from the hard reality nowadays represented by rejection. Methods: A plethora of studies was described over the past decades to understand the molecular mechanisms responsible for rejection. This review focuses on the most relevant studies found in the literature where renal tolerance cases are claimed. Contrasting, and at the same time, encouraging outcomes are herein discussed and a glimpse on the main renal biomarkers analyzed in this field is provided. Results: The activation of the immune system has been shown to play a central role in organ failure, but also it seems to induce a tolerance status when an allograft is performed, despite tolerance is still rare to register. Although there are still overwhelming challenges to overcome and various immune pathways remain arcane; the immunosuppression minimization might be more attainable than previously believed. Conclusion: Multiple biomarkers and tolerance mechanisms suspected to be involved in renal transplantation have been investigated to understand their real role, with still no clear answers on the topic. Thus, the actual knowledge provided necessarily leads to more in-depth investigations, although many questions in the past have been answered, there are still many issues on renal tolerance that need to be addressed.
    Type of Medium: Online Resource
    ISSN: 1574-8871
    Language: English
    Publisher: Bentham Science Publishers Ltd.
    Publication Date: 2019
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  • 2
    In: Reviews on Recent Clinical Trials, Bentham Science Publishers Ltd., Vol. 16, No. 4 ( 2021-11), p. 372-380
    Abstract: Hepatic Ischemia Reperfusion Injury (IRI) is a serious threat that characterizes the liver but also other transplantable organs. The worst effect of long-term IRI on an impaired graft could lead to irreversible damage and organ failure. Several events characterize the cascade that ultimately leads to organ failure. Among all, multiple strategies have been attempted to identify early phenomena of IRI with divergent results, and biomarkers might represent a novel approach to early detect ischemic damage. Methods: A literature review of the current state-of-the-art on IRI was conducted in the present manuscript. Information was collected from worldwide clinical trials conducted in highly specialized institutions. Experiments conducted on IRI animal models and clinical studies were screened. The final outcomes were analyzed and reported in the present review. Results: Matrix Metalloproteinases (MMPs) represent an interesting example of the early detector of neutrophil invasion after acute and chronic hepatic IRI. Neutrophil Gelatinase-associated Lipocalin (NGAL) is another biomarker which seems more predictable of the IRI gravity phase. Mitochondrial flavin mononucleotide (FMN) was recently discovered and might become a reliable biomarker of hepatic IRI during Hypothermic Oxygenation Machine Perfusion (HOPE). Conclusion: The available strategies to avoid IRI, despite constantly improving, are still lacking a gold standard method. Further studies are still needed to explore new options in the IRI diagnosis and treatment, and to this purpose, regenerative medicine and tissue engineering surely can play a pivotal role in the transplantation field.
    Type of Medium: Online Resource
    ISSN: 1574-8871
    Language: English
    Publisher: Bentham Science Publishers Ltd.
    Publication Date: 2021
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  • 3
    In: Reviews on Recent Clinical Trials, Bentham Science Publishers Ltd., Vol. 15, No. 2 ( 2020-06-17), p. 131-136
    Abstract: Multiple biological functions have been recognized regarding Granulocyte Macrophage-Colony Stimulating Factor (GM-CSF) and Stem Cell Factor (SCF). Aim: To evaluate the serum changes of GM-CSF and SCF in patients undergoing surgical resection for liver tumor, in the regenerative phase after surgery in order to identify the possible relationship with the patient, tumor or surgical variables. Methods: Thirty-two consecutive patients (50% male, median age 66), undergoing hepatic resection of liver neoplasm, were evaluated. The liver tumor was Hepatocellular Carcinoma (HCC) in 44% of cases. Other tumors were cholangiocarcinoma and metastasis. Serum levels of GM-CSF and SCF were assessed at baseline and 2 days, 7 days and 4 weeks after surgery. Personal and clinical patient data were also recorded. The statistical analysis was carried out using t-test for unpaired data or ANOVA (repeated measure) for continuous variables and Fisher test for discrete variables. Results: GM-CSF levels remained constant after surgery and were compared to baseline values. SCF levels, on the other hand, increased during the time, after surgery. The evaluation of SCF levels (fold increase) according to surgical, patient and tumor variables evidenced some differences. At day 7 and week 4, SCF levels were statistically increased: i) in patients undergoing a large resection in comparison with others (p 〈 0.05); ii) in patients non-cirrhotic in comparison with cirrhotic ones (p=0.02) and finally; iii) in patients with non-HCC tumor in comparison with HCC ones (p=0.02). Conclusions: During liver regeneration in humans, SCF serum levels are increased allowing to hypothesize a possible role of this chemokine during tissue growth and remodeling.
    Type of Medium: Online Resource
    ISSN: 1574-8871
    Language: English
    Publisher: Bentham Science Publishers Ltd.
    Publication Date: 2020
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  • 4
    Online Resource
    Online Resource
    Bentham Science Publishers Ltd. ; 2019
    In:  Reviews on Recent Clinical Trials Vol. 14, No. 3 ( 2019-08-21), p. 183-188
    In: Reviews on Recent Clinical Trials, Bentham Science Publishers Ltd., Vol. 14, No. 3 ( 2019-08-21), p. 183-188
    Abstract: Domino transplant occurs when a recipient explanted graft is used for a second recipient. Introduction: The first experience came from thoracic surgery by the observation that many patients during heart-lung transplantation actually showed a functional heart that could be employed in other subjects with a good result. Results: This concept was then extended to the field of liver transplantation. At present, some patients transplanted for an inborn metabolic disease may be considered as excellent domino liver donors. Conclusion: The results, limitations, clinical challenges and the donor and recipient features of domino liver transplantation are discussed in this manuscript.
    Type of Medium: Online Resource
    ISSN: 1574-8871
    Language: English
    Publisher: Bentham Science Publishers Ltd.
    Publication Date: 2019
    Library Location Call Number Volume/Issue/Year Availability
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