Publications by authors named "Chia-Ying Yu"

Renal cell carcinoma (RCC) has diverse pathological subtypes, most of which have a poor prognosis. Patients with advanced RCC require systemic therapies for disease control. Although targeted therapies and immune checkpoint inhibitors have shown therapeutic efficacy, patients eventually succumb to disease progression.

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  • Testicular cancer is increasingly common among young adults, prompting research into new treatment options like isoalantolactone (IATL), a natural compound from specific plants.
  • The study shows that IATL reduces cancer cell viability and induces apoptosis (cell death) by affecting various cellular pathways and proteins involved in growth and death regulation.
  • Additionally, IATL promotes a process called ferroptosis and downregulates proteins that inhibit apoptosis, indicating its promise as an anticancer treatment for testicular cancer.
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Renal cell carcinoma (RCC) accounts for nearly 2% of cancers diagnosed worldwide. For metastatic RCC, targeted therapy is one of the most common treatment methods. It can include approaches that target vascular endothelial growth factor (VEGFR) or rely on immune checkpoint inhibitors or mTOR inhibitors.

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Pancreatic ductal adenocarcinoma (PDAC) poses a significant challenge in terms of diagnosis and treatment, with limited therapeutic options and a poor prognosis. This study explored the potential therapeutic role of NPS-1034, a kinase inhibitor targeting MET and AXL, in PDAC. The investigation included monotherapy with NPS-1034 and its combination with the commonly prescribed chemotherapy agents, fluorouracil and oxaliplatin.

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Interstitial cystitis/bladder pain syndrome (IC/BPS) is a complex chronic pain disorder with an elusive etiology and nonspecific symptoms. Although numerous animal models with phenotypes similar to human disease have been established, no available regimen can consistently alleviate clinical symptoms. This dilemma led us to question whether current animal models adequately represent IC/BPS.

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Background/aim: Cancers of the central nervous system (CNS) pose a significant burden, despite their relatively low incidence compared to other types of cancers. The mortality-to-incidence ratio (MIR) is a crucial indicator of long-term survival and healthcare system performance. Computed tomography (CT) plays a crucial role in the screening, diagnosis, and monitoring of brain tumors, enabling early intervention and treatment.

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  • Exercise is beneficial for cancer patients, especially in post-surgery rehabilitation, but there hasn’t been much research specifically on its effects after nephrectomy surgery.
  • An animal model was created to simulate nephrectomy patients with and without exercise, and bioinformatics analysis was performed on lung tissue samples using RNA sequencing data.
  • The analysis revealed that exercise improves immune-related gene expression pathways in nephrectomy models, indicating potential genetic mechanisms behind the positive effects of exercise after surgery.
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  • Cisplatin can harm the kidneys and reproductive organs, leading researchers to investigate potential protective agents like melatonin, which is known for reducing oxidative stress.
  • This study aimed to assess melatonin's protective effects on kidney and reproductive injuries caused by cisplatin when used alongside gemcitabine in male mice.
  • Results revealed that melatonin provided some protection to testicular injuries, particularly at higher doses, and improved kidney function, but had limited effects on the epididymis, indicating further research is necessary to determine optimal dosages and long-term impacts.
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: PNU-74654, a Wnt/β-catenin pathway inhibitor, has an antiproliferative effect on many cancer types; however, its therapeutic role in pancreatic cancer (PC) has not yet been demonstrated. Here, the effects of PNU-74654 on proliferation and cell cycle phase distribution were studied in PC cell lines. : The cancer-related molecular pathways regulated by PNU-74654 were determined by a proteome profiling oncology array and confirmed by western blotting.

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  • - Urothelial carcinoma of the bladder (UBUC) is the most common form of bladder cancer, making up 90% of cases, typically treated with tumor removal followed by intravesical therapy.
  • - This study investigates melatonin as a potential additional treatment for bladder cancer, finding that it significantly reduces cancer cell growth and promotes cell death through apoptosis and cell cycle arrest.
  • - Melatonin was shown to hinder cancer cell movement and invasiveness while acting on specific pathways (HIF-1α and NF-κB) that contribute to its anti-cancer effects, suggesting it may be a valuable adjuvant therapy for bladder cancer.
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: The prognoses of lung cancer deteriorate dramatically as the cancer progresses through its stages. Therefore, early screening using techniques such as low-dose computed tomography (LDCT) is critical. However, the epidemiology of the association between the popularization of CT and the prognosis for lung cancer is not known.

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Successful intracellular delivery of nucleic acids (NAs) hinges on many factors, one of them being NAs' efficacious escape from endosomes. As competent NA vectors, pH-responsive gemini surfactants (GSs) might achieve high efficacy by facilitating endosomal escape. However, how the GSs assist the escape remains debated as many proposed mechanisms still lack experimental support, which hinders replication and further improvement of the efficient delivery.

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: PNU-74654, a Wnt/β-catenin inhibitor, has reported antitumor activities; however, the therapeutic potential of PNU-74654 in hepatocellular carcinoma (HCC) has not been investigated in detail. The aim of this study was to clarify the cytotoxic effects of PNU-74654 against HCC and to uncover its molecular mechanism. : HepG2 and Huh7 liver cancer cell lines were selected to determine the antitumor properties of PNU-74654.

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Testicular cancer (TC) is a rare malignancy worldwide and is the most common malignancy in males aged 15-44 years. The Wnt/β-catenin signaling pathway mediates numerous essential cellular functions and has potentially important effects on tumorigenesis and cancer progression. The search for drugs to inhibit this pathway has identified a small molecule, PNU-74654, as an inhibitor of the β-catenin/TCF4 interaction.

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NPS-1034 with a dual inhibitory effect on Met and Axl kinase receptors has exhibited therapeutic potential in previous models. However, no study on treating testicular cancer (TC) cell lines with NPS-1034 has been established. In this study, a series of in vitro examinations of the apoptotic effect induced by NPS-1034 in TC cell lines was conducted to clarify the molecular interactions involved.

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Intravesical instillation (IVI) of Bacillus Calmette-Guerin (BCG) can prevent bladder cancer recurrence, but this agent has been out of stock in recent years. IVI of other agents, like chidamide, a histone deacetylase (HDAC) inhibitor, may have the potential to exert a therapeutic effect against bladder cancer by modifying the gene expression profiles associated with histone modifications that occur during cancer tumorigenesis. Here, we investigated the in vitro therapeutic effect of chidamide and/or mitomycin C in bladder cancer cell lines and screened related molecular pathways using an antibody array.

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  • Azacitidine inhibits DNA methylation, showing promise as a treatment for various cancers, including urinary bladder urothelial carcinoma (UBUC), but its effectiveness through intravesical instillation (IVI) was previously unclear.
  • In studies, azacitidine significantly reduced cell viability and proliferation in UBUC cell lines, alongside inducing apoptosis by affecting specific signaling pathways related to tumor necrosis factor (TNF) and TRAIL (TNF-related apoptosis-inducing ligand).
  • In a rat model of BBN-induced bladder cancer, IVI of azacitidine decreased tumor burden and cell proliferation markers, suggesting its potential for therapeutic use and warranting further clinical research.
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Purpose: Tumor necrosis factor-α (TNF-α) has been shown to exert as a pathogenic factor in cardiac fibrosis and heart failure which were associated with the up-regulation of cyclooxygenase (COX)-2/prostaglandin E (PGE) axis. However, whether TNF-α-induced COX-2/PGE upregulation mediated through ROS-dependent cascade remains elusive in human cardiac fibroblasts (HCFs). This study aims to address the underlying mechanisms of TNF-α-induced COX-2/PGE expression.

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Background: Lung cancer stage has a significant impact on prognosis, and early detection of lung cancer relies on screenings. Despite the strong relationship between screening and lung cancer staging, the role of healthcare expenditure in lung cancer outcomes remains unknown. The aim of this study was to evaluate the relationship between economic status and clinical outcomes in lung cancer.

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  • - The study investigated how serum vitamin D levels relate to nonalcoholic fatty liver disease (NAFLD) and its associated conditions, like metabolic syndrome and inflammatory markers, in a community in Taiwan from 2013 to 2016.
  • - Researchers found that individuals with NAFLD had lower average vitamin D levels (28.5 ng/ml) compared to those without the disease (29.9 ng/ml), and low vitamin D was linked to higher risks of metabolic syndrome.
  • - The results indicated that lower vitamin D levels correlated with higher odds of metabolic syndrome and higher leptin levels, suggesting vitamin D plays a significant role in metabolic health.
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Osteoporosis and metabolic syndrome (MS) share similar risk factors. Previous studies of association between bone marrow density (BMD) and MS are controversial. Moreover, some studies revealed that MS is associated with BMD but not with bone fracture.

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The objective of this study was to determine whether awareness of hepatitis B virus (HBV) serostatus was discordant with metabolic syndrome (MetS) among people with chronic HBV infection. We conducted a community-based study in four Taiwanese districts. A total of 3493 adult participants were recruited.

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Background And Aim: CO2 has been reported to be absorbed from the bowel more rapidly than air, resulting in a discomfort reduction after colonoscopy. Its role in deeply sedated patients is limited. This study was designed to investigate the efficacy and safety of CO2 insufflation during colonoscopy in patients deeply sedated with propofol.

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Introduction: This work reports on the development of a biodegradable dual-drug-eluting stent with sequential-like and sustainable drug-release of anti-platelet acetylsalicylic acid and anti-smooth muscle cell (SMC) proliferative paclitaxel.

Methods: To fabricate the biodegradable stents, poly-L-lactide strips are first cut from a solvent-casted film. They are rolled onto the surface of a metal pin to form spiral stents.

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