无创产前基因测序需求分析,市场需求旺盛

2017-10-05 佚名 前瞻产业研究院

无创产前基因测序技术优势胎儿的DNA是游离片段,片段很小,人的基因组中还有大量重复序列,在二代测序技术出现之前根本无法准确而稳定的通过母亲的外周血检测胎儿的基因组。通常采用的羊膜腔穿刺等检测手段,虽然检测的准确率也很高,但是存在着手术的流产风险。无创DNA产前检测技术通过采取孕妇静脉血,利用二代DNA测序技术对母体外周血浆中的游离DNA片段(包含胎儿游离DNA)进行测序,并将测序结果进行生物信息分

无创产前基因测序技术优势

胎儿的DNA是游离片段,片段很小,人的基因组中还有大量重复序列,在二代测序技术出现之前根本无法准确而稳定的通过母亲的外周血检测胎儿的基因组。通常采用的羊膜腔穿刺等检测手段,虽然检测的准确率也很高,但是存在着手术的流产风险。

无创DNA产前检测技术通过采取孕妇静脉血,利用二代DNA测序技术对母体外周血浆中的游离DNA片段(包含胎儿游离DNA)进行测序,并将测序结果进行生物信息分析,可以从中得到胎儿的遗传信息,从而检测胎儿是否有染色体异常的疾病。

另外,传统的血清学筛查方法是根据孕妇的年龄、孕周、激素水平以及体重等参数进行计算得出结果,其假阳性率较高,也存在较大的漏检风险;而传统的产前诊断采用侵入性取样方法,如绒毛取样、羊水穿刺和胎儿脐静脉穿刺等,这些操作虽然可以确诊胎儿是否患有染色体非整倍体,但穿刺伤口可能导致感染、一定几率的流产等风险。

所以,相比于传统的检测方法,无创产前基因检测只需抽取5-10ml母体静脉血,做到无创伤取样,避免了流产风险和宫内感染的可能性。同时,基于高通量测序技术,无创产前基因检测准确率达到99%以上,且怀孕12周即可接受无创产前基因检测,能够尽早的发现问题,及早预防治疗。

无创产前基因测序技术优势分析



目前应用最广泛的基因检测主要为筛查出腹中胎儿的先天性疾病、预测未来罹患某些癌症的概率、评估使用某些药物的疗效和副反应。

无创产前基因测序市场需求

二胎政策实施后,中国将有9000万女性能够生二胎,这相当于德国的总人口数。在这9000万女性中,60%的女性年龄至少在35岁(即有5400万高龄产妇),这会增加她们在怀孕期间患并发症的风险。

据统计,2016年,我国共有1846万小孩出生,其中大约有276万高龄高危产妇,1570万普通产妇。2016年我国高龄产妇无创产前基因测序渗透率大概在20%左右,而非高龄产妇无创产前基因测序渗透率大概在3%左右,因此可以大致得知我国无创产前基因测序市场规模约为28.64亿元。

2016年无创产前基因测序市场规模(单位:万人,%,亿元)

2017年1-5月,由于二胎政策的逐渐深入,全国住院分娩活产数达到740.7万人,较去年同期增加了7.8%。根据人口预测,近期将出现生育高峰,而其中有部分产妇为高龄二胎产妇。因此照着这个趋势下去,预计2017年到2020年,高龄孕产妇每年将达到300万人以上,约是往年的1.3倍,对产科、儿科服务量与安全提出挑战。因此随着技术的成熟,市场的需求将会更大。

可以预见,2017-2022年,我国将迎来生育高峰期,到2022年,我国新出口人数大概在2000-2200万人之间,因此按照之前的换算比例,2022年,我国无创产前检测市场容量大致在121.77-243.54亿元之间。

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    2017-10-10 1e207054m17(暂无匿称)

    非常好.学习了

    0

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    2017-10-07 qilu_qi
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    2017-10-06 涵涵

    希望技术不断成熟

    0

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    2017-10-06 smartxiuxiu

    希望价位可以降低

    0

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    2017-10-06 惠映实验室

    精准医学.基因检测.发展趋势.

    0

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    2017-10-06 飛歌

    不错学习了很有用

    0

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    2017-10-05 有备才能无患

    胎儿的DNA是游离片段.片段很小.人的基因组中还有大量重复序列.在二代测序技术出现之前根本无法准确而稳定的通过母亲的外周血检测胎儿的基因组.通常采用的羊膜腔穿刺等检测手段.虽然检测的准确率也很高.但是存在着手术的流产风险.

    0