نتایج جستجو برای: runx2
تعداد نتایج: 2482 فیلتر نتایج به سال:
The Runx family of transcription factors performs an essential role in animal development by controllng gene expression programs that mediate cell proliferation growth and differentiation. The work described in this thesis is concerned with understanding mechanisms by which Runx proteins support this program of gene expression within the architectural context of the mammalian cell nucleus. Mult...
Aging is one of the major pathologic factors associated with osteoarthritis (OA). Recently, numerous reports have demonstrated the impact of sirtuin-1 (Sirt1), which is the NAD-dependent deacetylase, on human aging. It has been demonstrated that Sirt1 induces osteogenic and chondrogenic differentiation of mesenchymal stem cells. However, the role of Sirt1 in the OA chondrocytes still remains un...
Mastermind-like 1 (MAML1) is a transcriptional co-activator in the Notch signaling pathway. Recently, however, several reports revealed novel and unique roles for MAML1 that are independent of the Notch signaling pathway. We found that MAML1 enhances the transcriptional activity of runt-related transcription factor 2 (Runx2), a transcription factor essential for osteoblastic differentiation and...
MiR-204 and 211 enforced expression in murine mesenchymal stromal cells (MSCs) has been shown to induce adipogenesis and impair osteogenesis, through RUNX2 down-modulation. This mechanism has been suggested to play a role in osteoporosis associated with obesity. However, two further fundamental MSC functions, chondrogenesis and hematopoietic supporting activity, have not yet been explored. To t...
In previous studies by our group, we reported that thymosin beta 4 (Tb4) is closely associated with the initiation and development of the tooth germ, and can induce the expression of runt-related transcription factor 2 (RUNX2) during the development of the tooth germ. RUNX2 regulates the expression of odontogenesis-related genes, such as amelogenin, X-linked (Amelx), ameloblastin (Ambn) and ena...
INTRODUCTION To investigate if decreased histone deacetylase 4 (HDAC4) is associated with human osteoarthritis (OA) cartilage degeneration by releasing HDAC4 inhibition of runt-related transcription factor-2 (Runx2) resulting in increase of OA cartilage degeneration-related genes. METHODS The mRNA and protein levels of HDAC4, Runx2, matrix metalloproteinase (MMP)-13, Indian hedgehog (Ihh) and...
هدف: بررسی تأثیر پارابنزوکواینون و هیدروکواینون بر بیان ژن runx2 (ژنی کلیدی در مسیر تمایز استئوبلاستی) و تمایز استخوانی سلولهای بنیادی مزانشیمی مغز استخوان مواد و روشها: با کشت دادن سلولهای تک هستهای مغز استخوان، سلولهای بنیادی مزانشیمی تهیه شدند؛ پس از تیمار این سلولها با غلظت 10 میکرومولار هر یک از دو ترکیب پارا-بنزوکواینون و هیدروکواینون، بیان ژن runx2 توسط روش real-time rt pcr در ساعت...
Our previous research has shown that the spliced isoform of XBP1 (XBP1s) is an important downstream mediator of BMP2 and is involved in BMP2-stimulated chondrocyte differentiation. Herein, we report that ATF6 and its cleaved N-terminal cytoplasmic domain (known as ATF6a) are expressed in growth plate chondrocytes. We find that these proteins are differentially induced during BMP2-triggered chon...
اصلی ترین سمیت بنزن، سمیت میلوئیدی است و رایج ترین بدخیمی مرتبط با مجاورت با بنزن، بدخیمی میلوئیدی حاد یا aml می باشد . بدین ترتیب، بافت مغز استخوان، بافت هدف اصلی در بروز سمیت بنزن و متابولیت های ثانویه پایدار آن نظیر هیدورکواینون و بنزوکواینون است. در این پژوهش، تأثیرات بنزن، بنزوکواینون و هیدروکواینون بر سلول های msc انسانی جداسازی شده از بافت مغز استخوان، نتایج زیر را آشکار نمود: غلظت های ...
Transcription factor CCAAT/enhancer-binding protein delta (C/EBPdelta) is normally associated with acute-phase gene expression. However, it is expressed constitutively in primary osteoblast cultures where it increases insulin-like growth factor I synthesis in a cAMP-dependent way. Here we show that the 3' proximal region of the C/EBPdelta gene promoter contains a binding sequence for Runt domai...
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