Publications by authors named "Lulu Sun"

The aim of this study was to examine the impact of iodine on the development of thyroid cancer cells and to detect the underlying mechanisms. It was observed that proliferation was promoted and apoptosis was inhibited in cells treated with iodine at a specific concentration. This treatment group was then selected for further analysis, to investigate how iodine affects the development of thyroid cancer cells.

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There are minimal data regarding the management of high risk endometrial cancer histologies lacking invasive disease on the final pathology specimen. This study examines a cohort of these patients and assesses outcomes including time to recurrence and risk of death after management with and without adjuvant therapies. Endometrial cancer patients with minimal or no remaining invasive disease on final pathologic specimen from 1995 to 2010 were included.

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Molecular diagnostic techniques are part of the ancillary arsenal of anatomic pathologists. Advances in technology and knowledge regarding disease pathogenesis, tumorigenesis, and immune function contribute to the development of these assays. However, each technique, if applied incorrectly or in ignorance, can lead to difficulties in execution or errors in interpretation.

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Insufficiency of microbubbles in the vessel-obstructing thrombus significantly reduces the effectiveness of ultrasound thrombolysis. With catheter-directed thrombolysis (CDT), microbubbles can be delivered directly into the thrombus. In this study, we combined CDT with intra-clot microbubble-enhanced ultrasound thrombolysis (IMUT) to investigate its safety and efficiency in thrombolysis in patients with acute lower limb deep vein thrombosis (DVT).

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Despite recent advances in enhancing photodynamic therapy efficacy, high-efficiency reactive oxygen species (ROS)-based therapy approach, especially in malignancy tumor treatment, remains challenging. Relieving the hypoxia of tumor tissue has been considered to be an attractive strategy for enhancing ROS-based treatment effect. Nevertheless, it is frequently neglected that the hypoxic regions are usually located deep in the tumors and therefore are usually inaccessible.

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Salivary high-grade neuroendocrine carcinomas (NECs) are rare, occur predominantly in the parotid gland, and are difficult to differentiate from metastatic cutaneous Merkel cell carcinomas (MCCs), which have overlapping morphologic, immunophenotypic, and molecular profiles. Oncogenic Merkel cell polyomavirus (MCPyV), found in 70% to 80% of MCCs, has also been reported in a few salivary NECs, but this is controversial. A promising biomarker to distinguish the 2 tumor types are UV signature mutations.

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In plants, male sterility is an important agronomic trait, especially in hybrid crop production. Many factors are known to affect crop male sterility, but it remains unclear whether Suc transporters (SUTs) participate directly in this process. Here, we identified and functionally characterized the cucumber () CsSUT1, a typical plasma membrane-localized energy-dependent high-affinity Suc-H symporter.

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Vertical phase distribution plays an important role in the quasi-two-dimensional perovskite solar cells. So far, the driving force and how to tailor the vertical distribution of layer numbers have been not discussed. In this work, we report that the vertical distribution of layer numbers in the quasi-two-dimensional perovskite films deposited on a hole-transporting layer is different from that on glass substrate.

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Mitochondrial stress has been acknowledged as the pathogenesis for tumor necrosis factor-α (TNF-α)-induced septic cardiomyopathy. Recently, MAP kinase phosphatase 1 (MKP1) downregulation and mitochondrial fragmentation modulate the mitochondrial stress via multiple molecular mechanisms. Thereby, the goal of our current work is to figure out the functional role of mitochondrial fragmentation in TNF-α-induced septic cardiomyopathy.

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Nonfullerene (NF) organic solar cells (OSCs) have been attracting significant attention in the past several years. It is still challenging to achieve high-performance flexible NF OSCs. NF acceptors are chemically reactive and tend to react with the low-temperature-processed low-work-function (low-WF) interfacial layers, such as polyethylenimine ethoxylated (PEIE), which leads to the "S" shape in the current-density characteristics of the cells.

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Phloem loading, as the first step of transporting photoassimilates from mesophyll cells to sieve element-companion cell complex, creates a driving force for long-distance nutrient transport. Three loading strategies have been proposed: passive symplastic loading, apoplastic loading and symplastic transfer followed by polymer-trapping of stachyose and raffinose. Although individual species are generally referred to as using a single phloem loading mechanism, it has been suggested that some plants may use more than one, i.

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Circulating microRNAs (miRNAs) are promising diagnostic markers in various types of cancers, including papillary thyroid carcinoma (PTC). However, there is sparse information reported with regards to miRNA expression in papillary thyroid microcarcinoma (PTMC) or concerning the role of a combination of miRNAs and ultrasound (US) in the diagnosis of PTMC before surgery. Therefore, we designed a study that aimed to evaluate miRNA expression levels and their potential associations with US findings and determine whether miRNAs could be used as diagnostic and prognostic biomarkers of PTMC.

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Primary hepatocytes are widely used in regenerative medicine, drug metabolism analysis, and in vitro drug screens. To overcome the shortage of liver donors, several strategies, such as differentiation of pluripotent stem cells and transdifferentiation from somatic cells, were developed to generate hepatocytes from alternative sources. Here, we describe in detail lenti-virus-based procedure for direct conversion of human fibroblasts to hepatocytes (hiHep cells) in vitro.

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Transplantation of human hepatocytes (HHs) holds significant potential for treating liver diseases. However, the supply of transplantable HHs is severely constrained by limited donor availability and compromised capacity for in vitro expansion. In response to chronic injury, some HHs are reprogrammed into proliferative cells that express both hepatocyte and progenitor markers, suggesting exploitable strategies for expanding HHs in vitro.

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The anti-hyperglycemic effect of metformin is believed to be caused by its direct action on signaling processes in hepatocytes, leading to lower hepatic gluconeogenesis. Recently, metformin was reported to alter the gut microbiota community in humans, suggesting that the hyperglycemia-lowering action of the drug could be the result of modulating the population of gut microbiota. However, the critical microbial signaling metabolites and the host targets associated with the metabolic benefits of metformin remained elusive.

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Article Synopsis
  • Long-term peritoneal dialysis (PD) can lead to ultrafiltration failure (UFF) due to ongoing inflammation and fibrosis of the peritoneal tissues, with specific mechanisms still not fully understood.
  • The study found that higher levels of vascular endothelial growth factor A (VEGFA) were linked to inflammation and fibrosis in the peritoneum of UFF patients, and HPMCs exposed to high glucose showed similar conditions.
  • Furthermore, the microRNA miR-15a-5p was identified as significantly downregulated in patients, and its restoration was shown to inhibit VEGFA expression, leading to reduced inflammation and fibrosis, suggesting that targeting the miR-15a-5p/VEGFA pathway could help
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Two recent studies found that RBMS1 gene rs7593730 and BCAR1 gene rs7202877 are related to type 2 diabetes. However, the association of these loci with type 2 diabetes mellitus (T2DM) has not been examined in Chinese. We performed a replication study to investigate the association of the 2 susceptibility loci with T2DM in the Chinese population.

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Background: Sloughing esophagitis is an uncommon entity with an unclear pathogenesis characterized by desquamating sheets of squamous mucosa. It has been associated with bullous dermatologic disorders, other autoimmune diseases and has been most commonly reported in elderly, debilitated individuals on multiple medications.

Case Report: We report sloughing esophagitis in a previously healthy 17 year-old girl.

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The adipose Nod-like receptor protein 3 (NLRP3) inflammasome senses danger-associated molecular patterns (DAMPs) and initiates insulin resistance, but the mechanisms of adipose inflammasome activation remains elusive. In this study, Homocysteine (Hcy) is revealed to be a DAMP that activates adipocyte NLRP3 inflammasomes, participating in insulin resistance. Hcy-induced activation of NLRP3 inflammasomes were observed in both adipocytes and adipose tissue macrophages (ATMs) and mediated insulin resistance.

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Chemical mass shifts between isomeric ions of o-, m-, and p-xylene were measured using a digital linear ion trap, and the directions and values of the shifts were found to be correlated to the collision cross sections of the isomers. Both forward and reverse scans were used and the chemical shifts for each pair of isomers in scans of opposite directions were in opposite signs. Using different voltage settings (namely the voltage dividing ratio-VDR) of the ion trap allows adding high order field components in the quadrupole field and results in larger chemical mass shifts.

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In perovskite solar cells, I- tends to oxidize to I2 due to its low redox potential. The generated I2 has been proved to be detrimental to device performance. Herein, for the first time, an amidine DBU is introduced as an additive into the precursor of the perovskite layer.

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With the growth of number of Chinese patent medicines and clinical use, the rational use of Chinese medicine is becoming more and more serious. Due to the complexity of Chinese medicine theory and the uncertainty of clinical application, the prescription review of Chinese patent medicine always relied on experience in their respective, leading to the uncontrolled of clinical rational use. According to the traditional Chinese medicine (TCM) theory and characteristics of the unique clinical therapeutics, based on the practice experience and expertise comments, our paper formed the expert consensus on the prescription review of Chinese traditional patent medicine for promoting the rational use of drugs in Beijing.

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Background: Promoter methylation of MGMT and C13ORF18 has been confirmed as a potential biomarker for early diagnosis of cervical cancer. The aim of this study was to evaluate the performance of MGMT and C13ORF18 promoter methylation for triage of cytology screening samples and explore the potential mechanism.

Methods: Methylation-sensitive high-resolution melting was used to detect promoter methylation of MGMT and C13ORF18 in 124 cervical samples.

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Image restoration methods based on convolutional neural networks have shown great success in the literature. However, since most of networks are not deep enough, there is still some room for the performance improvement. On the other hand, though some models are deep and introduce shortcuts for easy training, they ignore the importance of location and scaling of different inputs within the shortcuts.

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Objectives: Preinvasive squamous neoplasms of the lower genital tract are currently classified using a two-tier system (high- or low-grade squamous intraepithelial lesion) as directed by the Lower Anogenital Squamous Terminology (LAST) guidelines but may also be subclassified as intraepithelial neoplasia grade 1 (-IN1), -IN2, or -IN3. The LAST recommended that all diagnoses of -IN2 be supported by immunohistochemistry (IHC) for p16. We examined whether p16 and Ki-67 IHC are necessary to diagnose -IN2 when the lesion has obvious high-grade histology.

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