نتایج جستجو برای: l. tarentolaeو tpa
تعداد نتایج: 624052 فیلتر نتایج به سال:
پروتئین فعال کننده پلاسمینوژن ( tpa) به عنوان عامل ترومبولیتیک برتر جهت درمان بیماریهایی نظیر انفارکتوس میوکارد حاد شناخته شده و امروزه بهبود ویژگیهای فارماکوکینتیک آن مورد توجه قرار گرفته است. reteplase(k2s) مشتقی از مولکول tpa می باشد که نیمه عمر و مقاومت آن به مهارکننده نسبت به مولکول tpa طبیعی افزایش چشمگیری را نشان می دهد. در این تحقیق هدف اصلی کلونینگ و بیان فرم k2s ژن tpa در سیستم یوکا...
GABA(A) receptors containing α2/3 subunits are current targets in the battle to develop new pain medications, as they are expressed in the spinal cord where increasing inhibitory drive should result in analgesia. However, this approach is prone to a range of side effects including sedation, cognitive impairment, and abuse as a consequence of the widespread influence of GABA. The ability to make...
امروزه کشاورزی مولکولی پتانسیل بالایی در تولید نامحدود واکسنها، آنتیبادیها، پروتئینهای دارویی، عامل های رشد و آنزیمها دارد. فعال کننده پلاسمینوژن بافتی (tpa)، سرین پروتئازی است که نقش مهمی در سیستم فیبرینولیتیک و انحلال لخته های فیبرین در انسان دارد و به طور عمده در کبد و جداره رگ های خونی سنتز می شود. در بین سیستمهای موجود انتقال ژن، انتقال توسط اگروباکتریوم به عنوان یک روش مناسب برای الحاق پا...
BACKGROUND We evaluated assays to measure both total tissue plasminogen activator (tPA) and the three principle forms of tPA in plasma: active tPA, tPA complexed with plasminogen activator inhibitor type 1 (PAI-1), and tPA complexed with C1-inhibitor. METHODS Active tPA was measured by use of an indirect amidolytic assay and immunofunctional assays. tPA/PAI-1, tPA/C1-inhibitor, and total tPA ...
Background—A nitric oxide–independent response, possibly mediated by hyperpolarization, regulates vascular tone, acting as a compensatory mechanism in the presence of impaired nitric oxide availability. Cytochrome P450 2C9 (CYP 2C9) is a source of endothelium-derived hyperpolarizing factors and modulates tissue-type plasminogen activator (tPA) release from endothelial cells; however, no effect ...
BACKGROUND A nitric oxide-independent response, possibly mediated by hyperpolarization, regulates vascular tone, acting as a compensatory mechanism in the presence of impaired nitric oxide availability. Cytochrome P450 2C9 (CYP 2C9) is a source of endothelium-derived hyperpolarizing factors and modulates tissue-type plasminogen activator (tPA) release from endothelial cells; however, no effect ...
Trans retinoic acid (t-RA) stimulated the production of tissue plasminogen activator (tPA) in HeLa-S3 and human umbilical vein endothelial cells (huvecs) in a dose-dependent manner with maximal release (four to five times control) at 40 nmol/L and 40 mumol/L, respectively. In endothelial cells, the stimulation of tPA production by phorbol 12-myristate 13-acetate (PMA) was potentiated 1.9-fold b...
The expression of tissue plasminogen activator (tPA) is increased during activity-dependent forms of synaptic plasticity. We have found that inhibitors of tPA inhibit the late phase of long-term potentiation (L-LTP) induced by either forskolin or tetanic stimulation in the hippocampal mossy fiber and Schaffer collateral pathways. Moreover, application of tPA enhances L-LTP induced by a single t...
AIMS To observe the effect of constructed ultrasound microbubble crosslinked to albium nanoparticles packaged with tissue-type plasminogen activator (tPA) gene plasmid on the in vivo transfection. METHODS The rabbits were chosen for all experiments. A highly expressive gene plasmid for tPA was constructed and packaged into a prepared nanoparticle with bovine serum albumin (BSA). This albium n...
Background: The expression of bio-therapeutic proteins in mammalian cells, such as CHO, attains high homogeneity related to post-translational modifications. Although CHO remains the most popular cell line for bestselling biotherapeutic proteins on the market, there are still drawbacks such as expensive culture media, long time line, and high drug cost. Recently, researches on a novel Leishmani...
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