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chemotherapy/hypoxia

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This study investigates the possible molecular basis leading to failure in a treatment that is composed of hypoxia and chemotherapy in a rat orthotopic hepatoma model. Hypoxia was induced by hepatic artery ligation, whereas chemotherapeutic effect was achieved by intraportal injection of cisplatin.
OBJECTIVE To characterize upregulation of hypoxia-inducible factor (HIF)-1α after radiofrequency (RF) ablation and the influence of an adjuvant HIF-1α inhibitor (bortezomib) and nanodrugs on modulating RF ablation-upregulated hypoxic pathways. METHODS Fisher 344 rats (n = 68) were used. First, RF
A tumor redox-activatable micellar nanoplatform based on the naturally occurring biomacromolecule hyaluronic acid (HA) was developed for complementary photodynamic/chemotherapy against CD44-positive tumors. Here HA was first conjugated with l-carnitine (Lc)-modified zinc phthalocyanine (ZnPc) via
BACKGROUND Carbonic anhydrase IX (CA IX) is a tumor-associated, highly active, transmembrane carbonic anhydrase isoform regulated by hypoxia and implicated in pH control and adhesion-migration-invasion. CA IX ectodomain (ECD) is shed from the tumor cell surface to serum/plasma of patients, where it
BACKGROUND Only few studies have tried to identify parameters at the time of diagnosis or during treatment that can assist the clinician in predicting the response to Cisplatin, 5-Fluorouracil +/- Folinic acid therapy in patients with head and neck squamous cell carcinoma (HNSCC). METHODS The

Effect of artificial oxygen carrier with chemotherapy on tumor hypoxia and neovascularization.

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In addition to transfusion alternatives, artificial oxygen carriers are a benefit in ischemia disorders. This study aimed at evaluating the possible effects of PEG-conjugated hemoglobin (PEG-Hb) plus cisplatin on tumor hypoxia and neovasculature. METHODS HeLa cells were injected into submucosa of

[Hypoxia increases chemotherapy resistance in nasopharyngeal carcinoma via inducing CDK6 deSUMOylation].

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Objective: To understand the mechanism of chemotherapy resistance in nasopharyngeal carcinoma under hypoxic conditions through the perspective of protein SUMOylation modification. Methods: Cobalt chloride (CoCl(2)) was used to establish the hypoxic model of human nasopharyngeal
OBJECTIVE To evaluate the relationship of hypoxia-inducible factor (HIF)-1alpha expression with chemotherapy response in gastric cancer and its clinical outcome. METHODS Leucovorin (CF) and 5-fluorouracil (5-FU) in combination with oxaliplatin (L-OHP) were used in 52 patients with gastric carcinoma
OBJECTIVE To observe the relationship between expression of hypoxia-inducible factor (HIF)-1alpha and chemotherapy response and clinical outcome. METHODS Platixal in combination with cisplatin was used in 48 patients with ESCC at advanced stage. platixal 175 mg/m(2), d1; cisplatin 80 mg/m(2), d 2, d
BACKGROUND Hypoxia-inducible factor-1α (HIF-1α), which plays an essential role in the adaptive response of cells to hypoxia, is associated with aggressive tumor behavior. Furthermore, a relationship between excision repair cross-complementing 1 (ERCC1) expression and platinum resistance has been
In order to construct plasmid of hypoxia-inducible factor-1alpha (HIF-1alpha), and transfect into human lung cancer cells A549, the change in sensitivity of lung cancer cells A549 to chemotherapy was observed. HIF-1alpha mRNA structure region was amplified by RT-PCR and inserted into plasmid pcDNA3.
OBJECTIVE A study was performed of the perioperative systemic effects of a recent zoned chemotherapy technique administered in conditions of extreme acidosis, hypoxia and modern hypotension. METHODS METHODS a prospective analysis of the changes compared to basal values using Student's t test for
Hypoxia is an important pathological phenomenon due to uncontrolled cancer cell proliferation and insufficient blood flow, which can be used to design hypoxia-responsive nanocarriers for the intelligent treatment of tumor. However, it is difficult to obtain the response of hypoxia-responsive
Vascular endothelial growth factor A (VEGF-A) inhibition with pazopanib is an approved therapy for sarcomas, but likely results in compensatory pathways such as upregulation of hypoxia inducible factor 1α (HIF-1α). In addition, cancer stem-like cells can preferentially reside in hypoxic regions of
Chemotherapy-induced painful peripheral neuropathy is a significant clinical problem that is associated with widely used chemotherapeutics. Unfortunately, the molecular mechanisms by which chemotherapy-induced painful peripheral neuropathy develops have remained elusive. The proteasome inhibitor,
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