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Keywords = EPTH

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18 pages, 13746 KiB  
Article
Co-Seismic and Post-Seismic Slip Properties Associated with the 2024 M 7.5 Noto Peninsula, Japan Earthquake Determined by GNSS Observations
by Yunfei Xiang, Ming Qin, Yuanyuan Chen, Yin Xing and Yankai Bian
Remote Sens. 2024, 16(21), 4057; https://doi.org/10.3390/rs16214057 - 31 Oct 2024
Cited by 2 | Viewed by 1537
Abstract
Based on GNSS observations, the co-seismic and post-seismic slip of the 2024 Noto Peninsula earthquake and the spatio-temporal pattern of afterslip are investigated in this paper. The co-seismic slip is mainly distributed in the depth range of 2 to 15 km with the [...] Read more.
Based on GNSS observations, the co-seismic and post-seismic slip of the 2024 Noto Peninsula earthquake and the spatio-temporal pattern of afterslip are investigated in this paper. The co-seismic slip is mainly distributed in the depth range of 2 to 15 km with the maximum value of 5.94 m. Compared with the co-seismic rupture pattern, a shallow afterslip can be observed after the earthquake, and the afterslip patch is formed northeast of the epicenter. The maximum value of afterslip during the post-seismic 180 days is 1.13 m, which is situated at the longitude of 137.53°, latitude of 37.75°, and epth of 5.43 km. The spatio-temporal evolution of afterslip indicates that the fault activity has continued throughout the post-seismic 180 days, and the coverage and magnitude of afterslip have gradually increased. As time goes on, the fault activity tends to weaken, as evidenced by a decrease in slip rate. The daily images of afterslip demonstrate that the fault activity is particularly strong in the early time period following the earthquake. The maximum value of afterslip in the first week accounts for about 18% of that in the post-seismic 180 days, and the maximum slip rate reaches 0.043 m/day. In addition, the Coulomb stress analysis indicates that afterslip and most aftershocks appear in the positive Coulomb stress region, suggesting that co-seismic Coulomb stress changes may be the driving mechanism of afterslip and aftershocks. Full article
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10 pages, 1013 KiB  
Article
Management of Early Post-Transplant Hyperglycemia by Dedicated Endocrine Care Improves Glycemic Outcomes
by Alon Kaplan, Tslil Manela, Tammy Hod, Ronen Ghinea, Eytan Mor, Amit Tirosh, Amir Tirosh and Gadi Shlomai
Clin. Pract. 2024, 14(5), 1960-1969; https://doi.org/10.3390/clinpract14050156 - 25 Sep 2024
Viewed by 1379
Abstract
Introduction: Early post-transplant hyperglycemia (EPTH) is an independent risk factor for hospital readmissions, acute rejection, infections and developing post-transplant diabetes mellitus (PTDM). Close glycemic control is prudent in the early post-transplant period. The management of EPTH was evaluated among a cohort of kidney [...] Read more.
Introduction: Early post-transplant hyperglycemia (EPTH) is an independent risk factor for hospital readmissions, acute rejection, infections and developing post-transplant diabetes mellitus (PTDM). Close glycemic control is prudent in the early post-transplant period. The management of EPTH was evaluated among a cohort of kidney transplant recipients, who either received routine care (RC) or dedicated endocrine care (DEC). Methods: A retrospective analysis was conducted on kidney transplant recipients from 2019 to 2023. The impact of DEC on post-transplant glycemic control was investigated. Hospitalized patients receiving post-transplant insulin therapy were included. DEC involved at least twice-daily blood glucose (BG) assessment by an endocrinologist, while the RC received usual care. A mixed-model analysis was employed to assess differences in BG trajectories between DEC and RC over an eight-day period. Additionally, various glycemic control metrics were compared, including glucose variability, time-in-range for target BG, rates of hypoglycemia and response to hyperglycemia. Results: The cohort comprised 113 patients. In the DEC group, 91% had pre-transplant DM compared to 15% in the RC group (p < 0.001). Patients under DEC had higher baseline BG and glycated hemoglobin compared to those under RC (p < 0.001, for both). The DEC group displayed a lower trajectory of BG over time compared to the RC group (p = 0.002). Patients under DEC were more likely to receive insulin if BG measured above 200 mg/dL (66% vs. 46%) and displayed less below-range BG (<110 mg/dL) compared to those under RC (12.9% vs. 23.6%, p < 0.001). Conclusions: Management of EPTH by DEC improves glycemic outcomes in renal transplant recipients. Full article
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20 pages, 3346 KiB  
Perspective
Autocrine IGF-II-Associated Cancers: From a Rare Paraneoplastic Event to a Hallmark in Malignancy
by Pierluigi Scalia, Ignazio R. Marino, Salvatore Asero, Giuseppe Pandini, Adda Grimberg, Wafik S. El-Deiry and Stephen J. Williams
Biomedicines 2024, 12(1), 40; https://doi.org/10.3390/biomedicines12010040 - 22 Dec 2023
Cited by 3 | Viewed by 2594
Abstract
The paraneoplastic syndrome referred in the literature as non-islet-cell tumor hypoglycemia (NICTH) and extra-pancreatic tumor hypoglycemia (EPTH) was first reported almost a century ago, and the role of cancer-secreted IGF-II in causing this blood glucose-lowering condition has been widely established. The landscape emerging [...] Read more.
The paraneoplastic syndrome referred in the literature as non-islet-cell tumor hypoglycemia (NICTH) and extra-pancreatic tumor hypoglycemia (EPTH) was first reported almost a century ago, and the role of cancer-secreted IGF-II in causing this blood glucose-lowering condition has been widely established. The landscape emerging in the last few decades, based on molecular and cellular findings, supports a broader role for IGF-II in cancer biology beyond its involvement in the paraneoplastic syndrome. In particular, a few key findings are constantly observed during tumorigenesis, (a) a relative and absolute increase in fetal insulin receptor isoform (IRA) content, with (b) an increase in IGF-II high-molecular weight cancer-variants (big-IGF-II), and (c) a stage-progressive increase in the IGF-II autocrine signal in the cancer cell, mostly during the transition from benign to malignant growth. An increasing and still under-exploited combinatorial pattern of the IGF-II signal in cancer is shaping up in the literature with respect to its transducing receptorial system and effector intracellular network. Interestingly, while surgical and clinical reports have traditionally restricted IGF-II secretion to a small number of solid malignancies displaying paraneoplastic hypoglycemia, a retrospective literature analysis, along with publicly available expression data from patient-derived cancer cell lines conveyed in the present perspective, clearly suggests that IGF-II expression in cancer is a much more common event, especially in overt malignancy. These findings strengthen the view that (1) IGF-II expression/secretion in solid tumor-derived cancer cell lines and tissues is a broader and more common event compared to the reported IGF-II association to paraneoplastic hypoglycemia, and (2) IGF-II associates to the commonly observed autocrine loops in cancer cells while IGF-I cancer-promoting effects may be linked to its paracrine effects in the tumor microenvironment. Based on these evidence-centered considerations, making the autocrine IGF-II loop a hallmark for malignant cancer growth, we here propose the functional name of IGF-II secreting tumors (IGF-IIsT) to overcome the view that IGF-II secretion and pro-tumorigenic actions affect only a clinical sub-group of rare tumors with associated hypoglycemic symptoms. The proposed scenario provides an updated logical frame towards biologically sound therapeutic strategies and personalized therapeutic interventions for currently unaccounted IGF-II-producing cancers. Full article
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14 pages, 8959 KiB  
Review
Tumor Heterogeneity and Consequences for Bladder Cancer Treatment
by Etienne Lavallee, John P. Sfakianos and David J. Mulholland
Cancers 2021, 13(21), 5297; https://doi.org/10.3390/cancers13215297 - 22 Oct 2021
Cited by 33 | Viewed by 4777
Abstract
Acquired therapeutic resistance remains a major challenge in cancer management and associates with poor oncological outcomes in most solid tumor types. A major contributor is tumor heterogeneity (TH) which can be influenced by the stromal; immune and epithelial tumor compartments. We hypothesize that [...] Read more.
Acquired therapeutic resistance remains a major challenge in cancer management and associates with poor oncological outcomes in most solid tumor types. A major contributor is tumor heterogeneity (TH) which can be influenced by the stromal; immune and epithelial tumor compartments. We hypothesize that heterogeneity in tumor epithelial subpopulations—whether de novo or newly acquired—closely regulate the clinical course of bladder cancer. Changes in these subpopulations impact the tumor microenvironment including the extent of immune cell infiltration and response to immunotherapeutics. Mechanisms driving epithelial tumor heterogeneity (EpTH) can be broadly categorized as mutational and non-mutational. Mechanisms regulating lineage plasticity; acquired cellular mutations and changes in lineage-defined subpopulations regulate stress responses to clinical therapies. If tumor heterogeneity is a dynamic process; an increased understanding of how EpTH is regulated is critical in order for clinical therapies to be more sustained and durable. In this review and analysis, we assess the importance and regulatory mechanisms governing EpTH in bladder cancer and the impact on treatment response. Full article
(This article belongs to the Special Issue Systemic Treatment of Advanced Bladder Cancer – Status Update)
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