نتایج جستجو برای: like factor 2b klf2b
تعداد نتایج: 1435886 فیلتر نتایج به سال:
von Willebrand disease type 2B (VWD-type 2B) is characterized by gain-of-function mutations of von Willebrand factor (vWF) that enhance its binding to platelet glycoprotein Ibα and alter the protein's multimeric structure. Patients with VWD-type 2B display variable extents of bleeding associated with macrothrombocytopenia and sometimes with thrombopathy. Here, we addressed the molecular mechani...
Hypermethylation often leads to gene silencing; however, the mechanism responsible for the low expression resulting from hypermethylation of the tumor suppressor gene Kelch-like ECH-associating protein 1 (Keap1) in human lung cancer cell lines remains unclear. In this study, using promoter deletion and site mutagenesis assays, we determined that one transcription factor stimulating protein-1 (S...
Pharmacological studies suggest that A(2B) adenosine receptors mediate proinflammatory effects of adenosine. This concept was recently challenged by the finding that A(2B) adenosine receptor knockout (A(2B)KO) mice had moderate inflammation due to elevated basal plasma tumor necrosis factor (TNF)-alpha and an exaggerated response to lipopolysaccharide (LPS) challenge. However, it is unclear whe...
OBJECTIVE Chronic respiratory inflammation has been associated with lung cancer. Tumor-associated macrophages (TAMs) play a critical role in the formation of inflammation microenvironment. We sought to characterize the role of TAMs in coal tar pitch extract (CTPE)-induced tumorigenic transformation of human bronchial epithelial cells and the underlying mechanisms. METHODS The expression of TA...
Two major subtypes of melanoma include cutaneous melanoma and mucosal melanoma. The latter type is rare and usually occurs in the head and neck region. High-dose interferon-α-2b (IFN-α-2b) has proven effective in the treatment of cutaneous melanoma. Recently, a regimen of temozolomide plus cisplatin was reported more likely to improve relapse-free survival and overall survival than high-dose IF...
To explore the mechanisms that underlie the bleeding tendency in type 2A and 2B von Willebrand disease (VWD), we analyzed the mural thrombus generation process on a collagen surface under physiologic blood flow in a perfusion chamber using whole blood from these VWD patients. At a low shear rate (50 s(-1)), thrombus generation in all type 2A and 2B VWD patients was comparable to that of healthy...
Bone morphogenetic protein 2B (BMP 2B, also known as BMP 4) induces cartilage and bone morphogenesis in ectopic extraskeletal sites. BMP 2B is one of several bone morphogenetic proteins which along with activins and inhibins are members of the transforming growth factor-beta (TGF-beta) family. Both BMP 2B and activin A, but not TGF-beta 1, induce rat pheochromocytoma PC12 neuronal cell differen...
Currently interferon alfa-2b (IFNα-2b) is an approved adjuvant drug for high-risk melanoma patients that leads to an improvement in disease-free survival (DFS). However, it is unclear whether it also impacts overall survival. Widespread use of adjuvant high-dose IFNα has been tempered by its significant toxicity and its limited efficacy. Current therapeutic strategies like immune checkpoint blo...
Human prostate cancer has a high predisposition to metastasize to bone, resulting in the formation of osteoblastic metastases. The mechanism through which prostate cancer cells promote osteoblastic lesions is undefined. Vascular endothelial growth factor (VEGF) has been implicated as a mediator of osteoblast activity. In the present study, we examined if prostate cancer cells promote osteoblast...
Bronchial epithelial cells exposed to allergens typically secrete chemokines to recruit eosinophils. Persistent inflammation and repair responses result in airway remodeling and irreversible airflow limitation. House dust mite (HDM) is a common allergen causing allergic disorders. Thioredoxin (TRX) is a redox protein that scavenges reactive oxygen species (ROS). This study was to elucidate how ...
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