نتایج جستجو برای: گیرنده دوپامینی d1
تعداد نتایج: 25131 فیلتر نتایج به سال:
Rats were raised with altered tactile experience from P0 by removing all but one vibrissa (D1) from one side of the face (D1-spared animals). This procedure (univibrissa rearing) has previously been shown to cause neurons in cortical barrels surrounding D1 to develop greater than normal responses to D1 vibrissa stimulation and smaller than normal responses to principal vibrissa stimulation (Fox...
The CCND1 gene, which is frequently overexpressed in cancers, encodes the regulatory subunit of a holoenzyme that phosphorylates the retinoblastoma protein. Although it is known that cyclin D1 regulates estrogen receptor (ER)α transactivation using heterologous reporter systems, the in vivo biological significance of cyclin D1 to estrogen-dependent signaling, and the molecular mechanisms by whi...
Cyclin D1 plays an essential regulatory role in the G1 phase of the cell cycle. The cyclin D1 gene is amplified in 20–50% of squamous cell carcinomas (SCCs), and the protein is overexpressed in up to 80% of SCCs. Our hypothesis was that gene transduction of antisense (AS) cyclin D1 in human SCCs in vivo would result in tumor reduction. A cyclin D1 cDNA was inserted into an E1/E3-deficient serot...
مقدمه و هدف: بیماری پارکینسون، یکی از بیماری های تحلیل برنده عصبی است که با اختلال یادگیری و حافظه همراه است. ترکیب های فنلی موجود در عصاره برگ زیتون خاصیت آنتی اکسیدانی دارند. هدف از این مطالعه، بررسی آثار محافظتی عصاره آبی- الکلی برگ زیتون بر اختلال حافظه ناشی از آسیب نورون های دوپامینی در موش های صحرایی نر است. مواد و روش ها: در این مطالعه، 42 سر موش به طور تصادفی به شش گروه «کنترل، شم، ضایع...
Signal transducers and activators of transcription 3 (STAT3) is a transcription factor that is aberrantly activated in many cancer cells. Constitutively activated STAT3 is oncogenic, presumably as a consequence of the genes that it differentially regulates. Activated STAT3 correlated with elevated cyclin D1 protein in primary breast tumors and breast cancer–derived cell lines. Cyclin D1 mRNA le...
این تحقیق به منظور تعیین تأثیر سطوح مختلف فسفولیپیدها phospholipids (PL) در رژیم غذایی بر پارامترهای خون بچه ماهی خاویاری (فیل ماهی) انجام گردید. بچه ماهیان با رژیم غذایی فرموله شده در چهار سطح مختلف رژیم غذایی PL: (D1) 0، (D2) 2، D3)) 4 و (D4) 6% تغذیه شدند. در پایان دوره آزمایش (56 روز)، نتایج آزمایش نشان داد که تفاوت معنیداری در متوسط غلظت هموگلوبین گلبول قرمز (MCHC) مشاهده گردید(P ...
Introduction: The hippocampus (HIP), the primary brain structure related to learning and memory, receives sparse but comprehensive dopamine innervations and contains dopamine D1/D2-like receptors. It is demonstrated that dopamine receptors in dentate gyrus (DG) region of HIP have a remarkable function in spatial reward processing. Much less is known about the involvement of HIP and its D1...
Cyclin D1 plays an essential regulatory role in the G1 phase of the cell cycle. The cyclin D1 gene is amplified in 20-50% of squamous cell carcinomas (SCCs), and the protein is overexpressed in up to 80% of SCCs. Our hypothesis was that gene transduction of antisense (AS) cyclin D1 in human SCCs in vivo would result in tumor reduction. A cyclin D1 cDNA was inserted into an E1/E3-deficient serot...
While mitogenic induction of cyclin D1 contributes to cell cycle progression, ubiquitin-mediated proteolysis buffers this accumulation and prevents aberrant proliferation. Because the failure to degrade cyclin D1 during S-phase triggers DNA rereplication, we have investigated cellular regulation of cyclin D1 following genotoxic stress. These data reveal that expression of cyclin D1 alleles refr...
Cyclin D1 promotes nuclear DNA synthesis through phosphorylation and inactivation of the pRb tumor suppressor. Herein, cyclin D1 deficiency increased mitochondrial size and activity that was rescued by cyclin D1 in a Cdk-dependent manner. Nuclear respiratory factor 1 (NRF-1), which induces nuclear-encoded mitochondrial genes, was repressed in expression and activity by cyclin D1. Cyclin D1-depe...
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