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  • Antpedia LOGO WIKI資訊

    AKTSignalingPathway

    Many cell-surface receptors induce production of second messengers like PIP3, phosphatidylinositol 3,4,5-trisphosphate, that convey signals to the cytoplasm from the cell surface. PIP3 signals activates the kinase PDK1, 3-phosphoinositide-dependent protein kinase-1, which in turn activates the kinase AKT, also known as protein kinase B. Proteins phosphorylated by activated AKT promote cell survival. Phosphorylation o......閱讀全文

    PCR Array——基因表達分析疾病和信號通路的利器(三)

    RT2 PCR Profiler Arrays可用于生物學和醫學研究的各個領域,包括:癌癥研究、炎癥和細胞因子分析、干細胞研究、神經生物學、信號轉導通路研究、細胞黏附和細胞遷移、生物標記分子篩選和驗證截止目前,QIAGEN 擁有專利申請的PCR Ar

    Role of nicotinic acetylcholine receptors in the regulation of apoptosis

    Nicotinic acetylcholine receptors are essential for neuromuscular signaling and are also expressed in non-neuronal tissues, where their function is le

    山羊抗兔二抗(HRP標記)在諸多文獻中的應用

    在免疫學實驗中,比如WB,IHC,IF等,大家都知道選著好正確的一抗,往往實驗就成功了一大半,因此,往往很多研究者便會忽視對二抗,以及其它試劑盒品質的追求。二抗是一種相對而言比較穩定的產品,包裝大,因此很多實驗室都會公用一個二抗。但如果二抗沒有選擇好的話,影響的可能就是一整個實驗室或者課題組了。艾美

    Inactivation of Gsk3 by AKT causes accumulation of b-catenin

    Lipopolysaccharide (LPS) from XX bacteria induces a wide range of inflammatory responses, including the response of alveolar macrophages to bacteria i

    Skeletal muscle hypertrophy is regulated via AKT/mTOR pathway

    Skeletal muscle atrophies with disuse while with increased use and increased load skeletal muscle exhibits hypertrophy, with an increase in the size o

    PTEN dependent cell cycle arrest and apoptosis

    PTEN is a tumor suppressor gene. Recombinant PTEN is capable of dephosphorylating phosphatidylinositol 3,4,5-triphosphate[PI(3,4,5)P3], the product of

    Role of Erk5 in Neuronal Survival

    Axons extend significant distances to innervate target tissues. At the site of innervation, target tissues release neurotrophins including NGF, BDNF a

    海南醫學院李孟森再發表AFP生物學功能的重要成果

      近日,國際著名腫瘤雜志Oncotarget(2013年SCI影響因子:6.627)在線發表題為“Hepatitis B virus X protein induces expression of alpha-fetoprotein and activates PI3K/mTOR signalin

    涉嫌學術不端 施普林格再撤多篇中國學術論文

       繼撤銷107篇醫學論文后,國際學術出版巨頭施普林格旗下期刊再撤銷若干來自中國的學術論文。  近期,施普林格旗下期刊《細胞生物化學與生物物理學(Cell Biochemistry and Biophysics)》連續刊登多篇論文撤稿聲明。據撤稿聲明,來自中國的數個科研團隊,不同程度存在涉嫌竊用他

    mTOR Signaling Pathway

    mTOR (mammalian target of rapamycin) appears to play a central role in signaling caused by nutrients and mitogens such as growth factors to regulate t

    Multiple antiapoptotic pathways from IGF-1R signaling lead to BAD phosphory

    IGF-1R, the type 1 receptor for insulin-like growth factor, mediates cell survival and growth in response to its ligands IGF-1 and IGF-2. This tyrosin

    二十碳五烯酸對大鼠海馬體突觸可塑性、不飽和脂肪酸...

    二十碳五烯酸對大鼠海馬體突觸可塑性、不飽和脂肪酸綜合表現和磷酸肌醇3-激酶信號表達及對PC12細胞分化之影響安慰劑對照臨床研究表明, n-3多不飽和脂肪酸 (n-3 polyunsaturated fatty acids)能改善神經系統疾病 - 如阿爾茨海默氏病,亨廷頓氏癥和精神分裂癥等。為了評

    胰腺癌研究體內外模型綜述

      胰腺癌的預后非常差,其致死率基本等同于發病率。在美國,胰腺癌的5年生存率依然只有6%。關鍵的問題是胰腺癌患者在早期基本無癥狀,被診斷發現時大多數都處在晚期;全球每年胰腺癌致死的病人超過20萬人。   胰腺癌有多種類型,基本上劃分成外分泌腫瘤和內分泌腫瘤兩種。99%的胰腺癌都屬于外分泌型腫瘤,其

    胰腺癌研究體內外模型綜述

    胰腺癌的預后非常差,其致死率基本等同于發病率。在美國,胰腺癌的5年生存率依然只有6%。關鍵的問題是胰腺癌患者在早期基本無癥狀,被診斷發現時大多數都處在晚期;全球每年胰腺癌致死的病人超過20萬人。胰腺癌有多種類型,基本上劃分成外分泌腫瘤和內分泌腫瘤兩種。99%的胰腺癌都屬于外分泌型腫瘤,其發病細胞來源

    Trka Receptor Signaling Pathway

    Nerve growth factor (NGF) is a neurotrophic factor that stimulates neuronal survival and growth through TrkA, a member of the trk family of tyrosine k

    我國揭示硬骨魚RLRs和NLRs受體信號上基因剪接和免疫功能

      先天免疫是機體抵御病原微生物感染的第一道防線,它主要是通過在進化上高度保守的一系列模式識別受體來識別微生物表面保守的、而又在宿主中不存在的病原相關分子模式來發揮作用。RLRs受體和NLRs受體家族是脊椎動物兩類重要的胞內模式識別受體。中國科學院水生生物研究所昌鳴先研究員學科組對硬骨魚類的這兩類模

    Role of EGF Receptor Transactivation by GPCRs in Cardiac Hypertrophy

    One of responses to increased blood pressure is cardiac hypertrophy through increased size of ventricular myocardial cells leading to increased thickn

    知識分享:細胞自噬研究詳解

      一、自噬簡介    1、大自噬(macroautophagy),也就是通常說的自噬(autophagy),是真核細胞蛋白降解的途徑之一。自噬可以被描述為細胞質內的成分(細胞器、蛋白等)被雙層膜的囊泡包裹,形成自噬體(autophagosome),進而傳遞到溶酶體進行降解的過程。    詳

    細胞自噬研究詳解(一)

    一、自噬簡介1、大自噬(macroautophagy),也就是通常說的自噬(autophagy),是真核細胞蛋白降解的途徑之一。自噬可以被描述為細胞質內的成分(細胞器、蛋白等)被雙層膜的囊泡包裹,形成自噬體(autophagosome),進而傳遞到溶酶體進行降解的過程。詳細來說,自噬過程與內涵體途徑

    Regulation of p27 Phosphorylation during Cell Cycle Progression

    p27/Kip1 regulates the cell cycle by inhibiting the checkpoint kinase cdk2/cyclin E and blocking cell cycle progression through the G1-S transition. C

    IL-2 Receptor Beta Chain in T cell Activation

    The IL-2 receptor is a key component of immune signaling and is required for the activation, proliferation, and survival of T cells. This receptor is

    昆明植物所從中藥升麻中發現乳腺癌抑制活性物質

      升麻是世界公認的著名植物藥,其提取物廣泛用于治療更年期綜合癥和骨質疏松等綜合癥,在歐美備受關注。中國科學院昆明植物研究所邱明華研究組自2007年發現的升麻生物堿被NPR列為熱點化合物(NPR,2007,24:500)之后,一直持續進行升麻三萜抗腫瘤活性物質的發現研究。  近期,該研究組的博士后年

    Actions of Nitric Oxide in the Heart

    Nitric oxide (NO) has a number of important physiological actions in the cardiovascular system. In the heart, NO plays role in keeping the vessels pat

    KinExA分子和細胞相互作用儀與SPR的技術對比(二)

    四、案例案例一:完整細胞的相互作用檢測<背景>:單克隆抗體XMetA是胰島素受體(IR)變構部分的激動劑,其激活代謝Akt激酶信號通路,而對有絲分裂胞外信號調節激酶(ERK)信號通路幾乎沒有影響。為了研究這種選擇性信號通路的性質,作者驗證了XMetA對CHO細胞中IR,Akt和ERK的特

    KinExA分子與完整細胞相互作用系統的原理與應用(二)

    結果表明,CAR-T細胞與抗原的親和力Kd為45.41pM,T細胞表面CAR的表達水平為1.368e+5,Kd與EL的95%置信區間均較窄,數據非常準確可信。 應用二、KinExA在高親和力檢測上應用對于抗腫瘤藥市場,目前精準醫療最為成熟的領域還是以靶向藥物為代表的抗腫瘤藥物。由于單克隆抗體類抗癌藥

    Signaling of Hepatocyte Growth Factor Receptor

    The hepatocyte growth factor receptor, also called c-Met, is activated by HGF and stimulates proliferation of hepatocytes and other cell types. Mutate

    金屬硫蛋白在心肌梗死保護機制方面取得新進展

      金屬硫蛋白可顯著提升心梗后生存率與心功能,并減少梗死面積,降低心肌細胞凋亡  近日,溫州醫科大學藥學院金利泰教授課題組在Antioxidants & Redox Signaling雜志(TOP一區)發表題為《Metallothionein Protects the Heart again

    NFAT and Hypertrophy of the heart (Transcription in the broken heart)

    Hypertrophy associated with both hypertension and obstruction to ventricular outflow leads to pathologic cardiac growth and it is associated with incr

    Corticosteroids and cardioprotection

    Myocardial infarction damages heart tissue both during the initial ischemia and the subsequent reperfusion of tissues with oxygen. Corticosteroids can

    孫毅/謝傳明合作團隊揭示E3連接酶FBXW7的抑癌新機制

      FBXW7是一種抑制腫瘤生長的SCF E3泛素連接酶。在大多數情況下,FBXW7識別磷酸化底物并促進它的泛素化降解【1】。目前報道,FBXW7主要通過泛素化降解幾個關鍵促癌蛋白,包括c-Myc、MCL-1、c-Jun、Notch1和cyclin E而發揮抑癌功能。SHOC2充當RAS和RAF的支

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