نتایج جستجو برای: micromass culture
تعداد نتایج: 277586 فیلتر نتایج به سال:
حاملگی نزد مادران گیرنده عضو پیوندی یا مبتلا به آرتریت رو ماتوئید، همراه با خطراتی هم برای مادر و هم برای جنین می باشد، لذا برای کسب یک نتیجه مطلوب از حاملگی در این افراد، باید سیستم ایمنی آنها را در حد مناسبی سرکوب نمود. از اطلاعات اپیدمیولوژیک موجود در جنین بر می آید. مصرف ایمونوساپرسیوهایی چون آزاتیوپرین، متوتراکسات و مرکاپتوپورین توسط مادران حامله، ناهنجاریهای مادرزادی را در جنین، سیستم ایم...
Murine micromass models have been extensively applied to study chondrogenesis and osteogenesis to elucidate pathways of endochondral bone formation. Here we provide a detailed comparative analysis of the differentiation potential of micromass cultures established from either BMP-2 overexpressing C3H10T1/2 cells or mouse embryonic limb bud-derived chondroprogenitor cells, using micromass culture...
Objective(s): This study aimed to find out whether the chick cardiomyocyte micromass (MM) system could be employed to predict the teratogenecity of common environmental factors. Different multivitamins and over the counter drugs were used in this study. Materials and Methods: White Leghorn 5-day-old embryo hearts were dissected and trypsinized to produce a cardiomyocyte cell suspension in D...
One of the model system that is included in the battery of tests for in vitro embryotoxicity studies is Micromass test. However, this test is based on the rat embryo limb bud cell culture and disregards other tissues. The aim of this work was to optimize culture condition and to check the influence of initial cell density and spot volume plated on the evaluation of embryotoxicity. Two model com...
We have investigated the function of the G protein-coupled receptor for extracellular ATP, chick P2Y(1) (cP2Y(1)) during development of the chick limb. cP2Y(1) is strongly expressed in undifferentiated limb mesenchyme cells but appears to be lost from cells as they differentiate, raising the possibility that the function of this receptor may be to inhibit cell differentiation. This pattern of e...
OBJECTIVE(S) This study aimed to find out whether the chick cardiomyocyte micromass (MM) system could be employed to predict the teratogenecity of common environmental factors. Different multivitamins and over the counter drugs were used in this study. MATERIALS AND METHODS White Leghorn 5-day-old embryo hearts were dissected and trypsinized to produce a cardiomyocyte cell suspension in Dulbe...
During early stages of limb development, the vasculature is subjected to extensive remodeling that leaves the prechondrogenic condensation avascular and, as we demonstrate hereafter, hypoxic. Numerous studies on a variety of cell types have reported that hypoxia has an inhibitory effect on cell differentiation. In order to investigate the mechanism that supports chondrocyte differentiation unde...
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