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INTRODUCTION 1,25-dihydroxyvitamin D3[1,25(OH)2D3], the biologically active metabolite of vitamin D3, is a secosteroid hormone that not only regulates bone and calcium/phosphate metabolism but also regu-lates a number of other biological activities, in-cluding modulation of the immune response via specific receptors expressed in antigen presenting cells (APC) and activated T cells. Recently, in-creasing evidence showed that the modulatory role of 1,25(OH)2D3 on T cell phenotype and … 相似文献
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<正>常州市新北区安家中心小学地处苏南美丽新乡村,坐落于美丽的5A级景区新龙生态林核心带、常州市西北农业保护区,多样化的自然生态为学校语文课程实施带来丰富鲜活的资源。学校语文团队的教师遵循新课标理念,把乡村儿童熟悉的生态园场景转化为贴近学生生活的语文学习现场,拉近了语文学习与儿童乡村生活的距离,实现了育人方式的变革。 相似文献
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