نتایج جستجو برای: تست bbb

تعداد نتایج: 20944  

ژورنال: :مجله تحقیقات نظام سلامت حکیم 0
عاطفه یزدی yazdi a,(msc) دانشگاه علوم پزشکی و خدمات بهداشتی درمانی زاهدان، دانشکده پزشکی، گروه جراحی مغز و اعصاب، تلفن: 88972595 دکتر وفا رحیمی موقر rahimi-movaghar v,(md) دکتر مهربد کریمی karimi m,(md) مهدی محمدی mohammadi m,(msc).

مقدمه: ارزش جراحی رفع فشار و زمان آن بعد از ضایعه کامل نخاعی مورد بحث است. این مطالعه بر آنست که ارزش جراحی رفع فشار و زمان آنرا در ضایعه کامل نخاعی در موش ها بررسی کند. روش کار: 126 موش ماده انتخاب شدند. نخاع پس از لامینکتومی در محل 9 t با کلیپس مینی یا شارگیل فشرده شد. حیوانات در 5 گروه زمانی فشردن نخاع به مدت 3 ثانیه، 1 ساعت، 6 ساعت، 3هفته، عدم رفع فشار و گروه کنترل تقسیم شدند. ارزیابی حرکتی...

مهدی محمدی, , دکتر مهربد کریمی, , دکتر وفا رحیمی‌موقر, , عاطفه یزدی, ,

مقدمه: ارزش جراحی رفع فشار و زمان آن بعد از ضایعه کامل نخاعی مورد بحث است. این مطالعه بر آنست که ارزش جراحی رفع فشار و زمان آنرا در ضایعه کامل نخاعی در موش ها بررسی کند. روش ‌ کار: 126 موش ماده انتخاب شدند. نخاع پس از لامینکتومی در محل 9 T با کلیپس مینی یا شارگیل فشرده شد. حیوانات در 5 گروه زمانی فشردن نخاع به مدت 3 ثانیه، 1 ساعت، 6 ساعت، 3هفته، عدم رفع فشار و گروه کنترل تقسیم شدند. ارزیابی حرک...

2017
Yu-Cheng Liu Yu-Da Lee Hwai-Lee Wang Kate Hsiurong Liao Kuen-Bao Chen Kin-Shing Poon Yu-Ling Pan Ted Weita Lai

Blood-brain barrier (BBB) disruption is thought to facilitate the development of cerebral infarction after a stroke. In a typical stroke model (such as the one used in this study), the early phase of BBB disruption reaches a peak 6 h post-ischemia and largely recovers after 8-24 h, whereas the late phase of BBB disruption begins 48-58 h post-ischemia. Because cerebral infarct develops within 24...

Journal: :GSC Advanced Research and Reviews 2021

The goal of brain drug targeting technology is the delivery therapeutics across blood barrier (BBB), including human BBB. Nose to has received a great deal attention as non- invasive, convenient and reliable system. For systemic targetedadministration drug. various deliveries through some transport pathways, Factor influencing nasal absorption, formulation strategies nose brain, colloidal carri...

Journal: :Frontiers in chemical engineering 2023

The blood-brain barrier (BBB) is a highly impermeable separating circulating blood and brain tissue. A functional BBB critical for health, dysfunction has been linked to the pathophysiology of diseases such as stroke Alzheimer’s disease. variety models have developed study formation maintenance BBB, ranging from in vivo animal vitro consisting primary cells or differentiated human pluripotent s...

2017
Takashi Machida Fuyuko Takata Junichi Matsumoto Tomoyuki Miyamura Ryosuke Hirata Ikuya Kimura Yasufumi Kataoka Shinya Dohgu Atsushi Yamauchi

Diabetic complications are characterized by the dysfunction of pericytes located around microvascular endothelial cells. The blood-brain barrier (BBB) exhibits hyperpermeability with progression of diabetes. Therefore, brain pericytes at the BBB may be involved in diabetic complications of the central nervous system (CNS). We hypothesized that brain pericytes respond to increased brain thrombin...

2016
Aurore Drolez Elodie Vandenhaute Sylvain Julien Fabien Gosselet Joy Burchell Roméo Cecchelli Philippe Delannoy Marie-Pierre Dehouck Caroline Mysiorek

Around 7-17% of metastatic breast cancer patients will develop brain metastases, associated with a poor prognosis. To reach the brain parenchyma, cancer cells need to cross the highly restrictive endothelium of the Blood-Brain Barrier (BBB). As treatments for brain metastases are mostly inefficient, preventing cancer cells to reach the brain could provide a relevant and important strategy. For ...

2012
Jong-Chul Kim Benjamin Crary Yun C. Chang Kyung J. Kwon-Chung Kee J. Kim Kee Jun Kim

Background: C. neoformans traverse across the BBB to penetrate into the brain. Results: C. neoformans activates RhoGTPases and subsequently PKC, FAK and ezrin in HBMEC. Conclusion: Activation of host signaling proteins promotes Cryptococcus crossing across the BBB. Significance: Elucidation of the host signaling events that contributes to cryptococcal BBB traversal is important for a better un...

2011
Huba Kalász Kamil Musílek Kornélia Tekes

Background The effect of polar organic xenobiotics in the central nervous system depends on blood-brain barrier (BBB) penetration of these compounds. Newly synthesized pyridinium aldoximes (K-compounds) are promising antidotes for organophosphate intoxications. However, being highly polar, their BBB penetration is questionable. Using an in vivo model we aimed to characterize the BBB penetration...

Journal: :CNS neuroscience & therapeutics 2015
Wei-Ye Liu Zhi-Bin Wang Yue Wang Ling-Chang Tong Ya Li Xin Wei Ping Luan Ling Li

AIMS Blood-brain barrier (BBB) plays significant roles in the circumstance maintains for the central nervous system (CNS). The dysfunction of the BBB could occur in all pathological conditions of CNS diseases, such as ischemic stroke, cerebral edema, or inflammatory disorders. However, the comparisons among different animal models with a broken BBB in vivo are still need to be further studied. ...

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