Publications by authors named "Wen-Wei Sung"

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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Male hypogonadism, which is characterized by low testosterone levels, has a significant impact on male sexual function, overall health, and fertility. Testosterone replacement therapy (TRT) is the conventional treatment for this condition, but it has potential adverse effects and is not suitable for men seeking to conceive. Testosterone plays an essential role in male sexual function, metabolism, mood, and overall well-being.

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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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: The incidence of upper tract urothelial carcinoma (UTUC) is uniquely high in kidney transplant (KT) recipients in Taiwan. The evidence of adjuvant chemotherapy (AC) in UTUC is contradictory. We have sought to determine whether AC is associated with potential benefits related to locally advanced UTUC after KT.

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Urothelial carcinoma (UC) is a common cancer characterized by high morbidity and mortality rates. Despite advancements in treatment, challenges such as recurrence and low response rates persist. Antibody-drug conjugates (ADCs) have emerged as a promising therapeutic approach for various cancers, although their application in UC is currently limited.

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(1) Background: Previous studies have raised concerns about a potential increase in pancreaticobiliary cancer risk after cholecystectomy, but few studies have focused on patients who undergo cholecystectomy after receiving endoscopic retrograde cholangiopancreatography (ERCP) for choledocholithiasis. This study aims to clarify cancer risks in these patients, who usually require cholecystectomy, to reduce recurrent biliary events. (2) Methods: We conducted a nationwide cohort study linked to the National Health Insurance Research Database, the Cancer Registry Database, and the Death Registry Records to evaluate the risk of pancreaticobiliary cancers.

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Background: Barrett's esophagus (BE), which has increased in prevalence worldwide, is a precursor for esophageal adenocarcinoma. Although there is a gap in the detection rates between endoscopic BE and histological BE in current research, we trained our artificial intelligence (AI) system with images of endoscopic BE and tested the system with images of histological BE.

Aim: To assess whether an AI system can aid in the detection of BE in our setting.

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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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Increased malignancy after kidney transplantation (KT) is by far the most troublesome issue. Among these malignancies, urothelial carcinoma (UC) incidence is uniquely high in Taiwan. We want to know whether routine sonography to detect native hydronephrosis is associated with the development of de novo urinary bladder urothelial carcinoma (UBUC) in post-KT recipients.

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A 58-year-old man with lung cancer was referred for an 18 F-FDG PET/CT scan for pretreatment staging. The FDG PET/CT scan revealed focal uptakes in the lower abdomen. We differentiated the etiology of the lesions by performing a delayed scan with urine retention and bladder distension.

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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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