نتایج جستجو برای: dxr
تعداد نتایج: 310 فیلتر نتایج به سال:
LOU M/Wsl rats inoculated s.c. with 10(4) immunoglobulin immunocytoma cells have a palpable tumor at Day 17. Doxorubicin (DXR) has been entrapped in negatively charged liposomes (lip- DXR) composed of egg phosphatidylcholine, cholesterol, and phosphatidylserine and in positively charged liposomes (lip+ DXR) composed of phosphatidylcholine, cholesterol, and stearylamine. DXR, lip- DXR, and lip+ ...
A highly sensitive and selective high-performance liquid chromatography (HPLC) method was developed for the determination of doxorubicin (DXR) and its metabolite doxorubicinol (DXR-ol) in rat plasma. The method was based on photosensitization reaction followed by peroxyoxalate chemiluminescence detection (PO-CL). DXR and DXR-ol that were fluorescent quinones, served as a photosensitizer in the ...
A bovine serum albumin-conjugated doxorubicin via the glutaraldehyde bridge (BSA-DXR conjugate) showed potent dose-dependent inhibition of cell growth against daunorubicin-resistant AH66 (AH66DR) cells as well as parental AH66 (AH66P) cells in vitro as compared to treatment with DXR or BSA-glutaraldehyde conjugate without DXR (BSA-GA). In the culture of AH66DR with BSA-DXR conjugate, drug accum...
To evaluate the effect of coupling of recombinant human serum albumin (rHSA) onto the surface of poly(ethylene glycol)-modified liposome (PEG liposome) on the in vivo disposition characteristics of liposomal doxorubicin (DXR), the pharmacokinetics and tissue distribution of DXR were evaluated after intravenous administration of rHSA-modified PEG (rHSA/PEG) liposomal DXR into tumor-bearing rats....
Objective: The aim of the present study was to evaluate the possible protective effect of Plantago major (P. major) extract against doxorubicin (DXR)-induced renal inflammation in rats. Materials and Methods: 80 male albino rats were randomly divided into 8 groups as follows: control, DXR, Ext (extract) 600, Ext1200, dexamethasone+DXR, vitamin E+DXR, Ext600+DXR, and Ext1200+DXR. Duration of the...
OBJECTIVE Reduced bone mineral density (BMD), assessed by Dual Energy X-ray absorptiometry (DXA), is a well-known risk factor for fragility fracture. A large proportion of patients with fracture have only slightly reduced BMD. Assessment of other bone structure features than BMD may improve identification of individuals at increased fracture risk. Digital X-ray radiogrammetry (DXR), which is a ...
Neuroblastoma (NB) is the most common extracranial solid tumor in children. Intensive therapeutic intervention does not prolong the overall disease-free survival rate for this tumor. NB tumor, but not normal tissues, overexpress the disialoganglioside (GD(2)) at the cell surface. Anti-GD(2) whole antibodies (aGD(2)) or their corresponding Fab' fragments were covalently coupled to Stealth immuno...
A novel drug delivery system (DDS) compound was formed by binding doxorubicin hydrochloride (DXR) to the macromolecular carrier carboxymethyldextran polyalcohol (CM-Dex-PA) via the peptidyl spacer (GGFG: Gly-Gly-Phe-Gly). Its use in a murine tumor model confirmed that the DDS (CM-Dex-PA-GGFG-DXR) was retained in the blood and distributed in tumor tissue. The combined use of hyperthermia (HT: 41...
دوکسوروبیسین یکی از شناخته ترین داروهای ضد سرطان میباشد. چای سبز نیزخواص آنتی اکسیدانی فراوانی دارد. در این مطالعه، اثر استفاده طولانی مدت چایسبز بر ضایعات ایجاد شده توسط دوکسوروبیسین در مغز استخوان موش صحراییمورد بررسی قرار گرفت.30 سرموش صحرایی نر بالغ نژاد ویستار بصورت تصادفی در 6 گروه مساوی، تقسیم شدند. شاهد، lgt استفاده از عصاره 3% چای سبز به مدت 60 روز)، shgt (استفاده از عصاره 3% چای سبز ب...
Doxorubicin (DXR), among the most widely used cancer chemotherapy agents, promotes cancer cell death via activation of ataxia telangiectasia mutated (ATM) and the resultant upregulation of tumor suppressor p53. The exact mechanism by which DXR activates ATM is not fully understood. Here, we discovered a novel role for regulator of G protein signaling 6 (RGS6) in mediating activation of ATM and ...
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