duckslice93
duckslice93
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cause morphological changes and decrease the densities of the corneal endothelial cells. Trabeculectomy produces lesser endothelial cell loss than phacoemulsification, and phacoemulsification lesser cell loss than phacotrabeculectomy. learn more Two-step phacotrabeculectomy (trabeculectomy followed 3 months later by phacoemulsification) causes more cell loss than one-step phacotrabeculectomy, and this could be due to the cumulative effects of two separate surgical traumas or to a negative conditioning lesion effect of the first surgery. For the treatment of coexisting glaucoma and cataract, one-step phacotrabeculectomy is the treatment of choice. To study the effect of repeated retinal thickness fluctuations during the anti-VEGF therapy maintenance phase in neovascular age-related macular degeneration (nAMD). Data were extracted from electronic medical records of 381 nAMD patients, aged ≥50 years; baseline VA ≥33 and ≤73 letters; ≥24 months' follow-up and ≥2 optical coherence tomography (OCT) measurements. OCT scans were analysed using an artificial intelligence algorithm that quantified the volumes of intraretinal fluid (IRF), subretinal fluid (SRF), pigment epithelial detachments (PED) and central subfield thickness (CSFT). IRF, SRF and PED were summed to obtain total fluid (TF). The standard deviation (SD) of IRF, SRF, PED, CSFT and TF was computed and categorised into quartiles (SD-Q). Relationships between SD-Qs for each OCT feature and VA change was tested using generalised estimating equations and linear regression. By Month 24, compared to SD-Q1, eyes in SD-Q2, SD-Q3, and SD-Q4 for IRF, SRF, PED, CSFT and TF showed greater VA losses. Eyes in SD-Q4 of TF were 9.4 letters worse compared to eyes in Q1 (95% Confidence Interval -12.9 to -6.0). The frequency of clinic visits with IRF and SRF present on OCT scans by quartiles of CSFT was lower in eyes with least fluctuation (Q1) compared to eyes with the most fluid fluctuation (Q4) (median [IQR] IRF 0.3 [0.0-0.7] versus 0.8 [0.5-1.0]; SRF 0.0 [0.0-0.5] versus 0.6 [0.3-1.0]). Greater fluctuations in retinal fluid volumes during the maintenance phase of anti-VEGF treatment in nAMD is associated with worse VA by 2 years.Greater fluctuations in retinal fluid volumes during the maintenance phase of anti-VEGF treatment in nAMD is associated with worse VA by 2 years.Innate lymphoid cells (ILCs) are enriched in mucosae and have been described as tissue-resident. Interestingly, ILCs are also present within lymph nodes (LNs), in the interfollicular regions, the destination for lymph-migratory cells. We have previously shown that LN ILCs are supplemented by peripheral tissue-derived ILCs. Using thoracic duct cannulations, we here enumerate the intestinal lymph ILCs that traffic from the intestine to the mesenteric LNs (MLNs). We provide, for the first time, a detailed characterisation of these lymph-migratory ILCs. We show that all ILC subsets migrate in lymph, and while global transcriptional analysis reveals a shared signature with tissue-resident ILCs, lymph ILCs express migration-associated genes including S1PRs, SELL (CD62L) and CCR7. Interestingly, we discovered that while Salmonella Typhimurium infections do not increase the numbers of migrating ILCs, infection changes their composition and cytokine profile. Infection increases the proportions of RORyt+ T-bet+ ILCs, levels of IFNγ, and IFNγ/GM-CSF co-expression. Infection-induced changes in migratory ILCs are reflected in colon-draining MLN ILCs, where RORyt+ T-bet+ ILCs accumulate and display corresponding increased cytokine expression. Thus, we reveal that ILCs respond rapidly to intestinal infection and can migrate to the MLN where they produce cytokines.Camptothecin has been used in tumor therapy for a long time but its antitumor effect is rather limited due to the side effect and the drug resistance. FEN1, a major component of DNA repair systems, plays important roles in maintaining genomic stability via DNA replication and repair. Here we found that FEN1 inhibitor greatly sensitizes cancer cells to low-dose camptothecin. The combinative treatment of FEN1 inhibitor and 1 nM camptothecin induced a synthetic lethal effect, which synergistically suppressed cancer cell proliferation and significantly mediated apoptosis both in vitro and in vivo. Our study suggested that targeting FEN1 could be a potent strategy for tumor-targeting cancer therapy.Accumulating evidence has demonstrated that microRNA-519a (miR-519a) acts as the tumor suppressor in various cancers, but little is known regarding its intrinsic regulatory mechanisms in non-small cell lung cancer (NSCLC). Here, we aimed to investigate the role of miR-519a-targeted ephrinA2 receptor (EphA2) in radiosensitivity of NSCLC. MiR-519a and EphA2 expression in NSCLC and paracancerous tissues were detected using RT-qPCR and western blot analysis. A549 cell line was cultured and radiation-resistant cell line A549R was constructed using fractionated X-ray irradiation of these cells at 60 Gy. Colony formation ability and radioresistance of parent strain A549 and resistant strain A549R were detected with restored miR-519a and depleted EphA2. MTT assay was used to measure cell proliferation, flow cytometry was performed for determination of cell cycle distribution and apoptosis. The migration and invasion abilities were assessed by Transwell assay. The target relationship between miR-519a and EphA2 was verified. Results suggested that miR-519a was downregulated and EphA2 was upregulated in NSCLC tissues and cells, and miR-519a targeted EphA2. MiR-519a expression declined, while EphA2 expression elevated in A549R cells versus A549 cells. Upregulated miR-519a and downregulated EphA2 suppressed D0, Dq, survival fraction (SF2) and N-value, arrested cells at G0/G1 phase, advanced the apoptosis and attenuated migration, proliferation, and invasion of A549 and A549R cells. Overexpression of EphA2 reversed the promotion of upregulated miR-519a on radiosensitivity of NSCLC cells. Our results revealed that miR-519a enhances radiosensitivity of NSCLC by inhibiting EphA2 expression. Moreover, miR-519a serves as a target for NSCLC treatment.

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