نتایج جستجو برای: neurotoxicity
تعداد نتایج: 13892 فیلتر نتایج به سال:
objective(s):acrylamide (acr) has broad applications in different industries. it also forms in food during heating process. oxidative stress has a critical role in acr-induced neurotoxicity in both in vitro and in vivo models; therefore, the aim of the current study was the evaluation of effects of thymoquinone, the main constituent of volatile oil from nigella sativa seeds in acr-induced neuro...
The Mexican axolotl salamander is an important model species in regenerative medical research and experiments involving this often require anesthesia which usually limited to the duration of surgical procedure or other interventions, lasting no more than a few hours. This study aimed examine potential for increasing by continued propofol infusion week. Neurobehavioral changes response prolonged...
Oxaliplatin-induced peripheral neurotoxicity (OPN) is commonly associated with peripheral hypersensitivity to cold sensations (CS) but the mechanism is unknown. We hypothesized that the transient receptor potential melastatin 8 (TRPM8), a putative cold and menthol receptor, contributes to oxaliplatin cold hypersensitivity. To determine whether the TRPM8 is involved in acute OPN, varying concent...
Peripheral neurotoxicity is one of the most distressing side effects of oxaliplatin therapy for cancer. Indeed, most patients that received oxaliplatin experience acute and/or chronic severe sensory peripheral neuropathy. However, despite similar co-morbidities, cancer stage, demographics and treatment schedule, patients develop oxaliplatin-induced peripheral neurotoxicity with remarkably diffe...
Although prion propagation is well understood, the signaling pathways activated by neurotoxic forms of prion protein (PrP) and those able to mitigate pathological phenotypes remain largely unknown. Here, we identify src-2, a Fyn-related kinase, as a gene required for human PrP with an insertional mutation to be neurotoxic in Caenorhabditis elegans, and the longevity modulator sir-2.1/SIRT1, a s...
We employed Caenorhabditis elegans assay system to investigate in vivo neurotoxicity of CdTe quantum dots (QDs) on RMEs motor neurons, which are involved in controlling foraging behavior, and the underlying mechanism of such neurotoxicity. After prolonged exposure to 0.1-1 μg/L of CdTe QDs, abnormal foraging behavior and deficits in development of RMEs motor neurons were observed. The observed ...
Cisplatin, carboplatin, and oxaliplatin anticancer drugs are commonly used to treat lung, colorectal, ovarian, breast, head and neck, and genitourinary cancers. However, the efficacy of platinum-based drugs is often compromised because of the substantial risk for severe toxicities, including neurotoxicity. Neurotoxicity can result in both acute and chronic debilitation. Moreover, colorectal can...
AIM The aim of the study was to compare two different neurotoxicity scales in grading chemotherapy-induced neurotoxicity. PATIENTS AND METHODS The study sample consisted of 114 cancer patients who started chemotherapy with vinca alcaloids, platinum derivatives or taxanes. Neurotoxicity was evaluated with the National Cancer Institute-Common Toxicity Criteria (NCI-CTC) and oxaliplatin scales a...
To examine the role of Ca2+ in early neuronal death, we studied the impact of free intracellular calcium concentration ([Ca2+]i) on survivability in populations of cultured mouse spinal neurons. We asked whether early neurotoxicity was triggered by Ca2+ influx, whether elevated [Ca2+]i was a predictive indicator of impending neuronal death, and whether factors other than [Ca2+]i increases influ...
Behavioral end points are being used with greater frequency in neurotoxicology to detect and characterize the adverse effects of chemicals on the nervous system. Behavioral measures are particularly important for neurotoxicity risk assessment since many known neurotoxicants do not result in neuropathology. The chlorinated hydrocarbon class consists of a wide variety of chemicals including polyc...
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