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    • 121. 发明申请
    • Contrast Agents For Detecting Protease Activity By Means Of Hyperpolarization And For Stratifying Patients
    • 用于通过超极化和分层患者检测蛋白酶活性的对比剂
    • US20110229414A1
    • 2011-09-22
    • US13013127
    • 2011-01-25
    • Christian GeppertArne HengererSven MeyburgSebastian SchmidtSusanne SchmolkeRalph Markus Wirtz
    • Christian GeppertArne HengererSven MeyburgSebastian SchmidtSusanne SchmolkeRalph Markus Wirtz
    • A61K49/08C07K2/00A61K49/00C07K7/06A61P43/00
    • A61K49/06
    • A contrast agent is disclosed for imaging methods. In at least one embodiment the contrast agent includes a construct including i) at least two copies of a substrate for at least one tumor-specific protease, and ii) at least one linker having at least one recognition site for at least one tumor-specific protease, wherein a hyperpolarization site is located at the N and/or C terminus of the substrate, and wherein the linker is configured such that the hydrophobic ends of the substrate interact and form a central core by means of noncovalent interactions with the lipophilic residues, and the contrast agent together with a parahydrogen metal template for use in an imaging method for diagnosing a tumor. At least one embodiment of the invention further relates to a method for imaging a tumor tissue, wherein the above-described contrast agent accumulated in a tumor tissue is imaged using a suitable imaging method after hyperpolarization by way of contact with a parahydrogen metal template, and also to a method for imaging a tumor tissue in a patient, wherein a) a contrast agent as described above is administered to a patient, b) a parahydrogen metal template is administered to the patient, and c) the presence of a tumor is depicted using an imaging method.
    • 公开了用于成像方法的造影剂。 在至少一个实施方案中,造影剂包括构建体,其包括i)用于至少一种肿瘤特异性蛋白酶的底物的至少两个拷贝,和ii)至少一个具有至少一个肿瘤特异性的识别位点的接头 蛋白酶,其中超极化位点位于底物的N和/或C末端,并且其中接头被配置为使得底物的疏水末端通过与亲脂性残基的非共价相互作用相互作用并形成中心核心, 和造影剂以及用于诊断肿瘤的成像方法中的副氢金属模板。 本发明的至少一个实施方案还涉及一种用于对肿瘤组织进行成像的方法,其中通过与超临界金属模板的接触在超极化之后,使用合适的成像方法将累积在肿瘤组织中的上述造影剂成像,并且 还涉及对患者的肿瘤组织进行成像的方法,其中a)对患者施用如上所述的造影剂,b)向患者施用副氢金属模板,和c)描绘肿瘤的存在 使用成像方法。
    • 122. 发明申请
    • TRACKING OF BONE MARROW CELLS FOR METASTASIS SCREENING
    • 跟踪用于METASTASIS筛选的骨髓细胞
    • US20110150758A1
    • 2011-06-23
    • US12974214
    • 2010-12-21
    • Christian GeppertArne HengererSven MeyburgSebastian SchmidtSusanne SchmolkeRalph Markus Wirtz
    • Christian GeppertArne HengererSven MeyburgSebastian SchmidtSusanne SchmolkeRalph Markus Wirtz
    • A61K51/02C12N5/071A61K49/08C12Q1/02B82Y15/00
    • G01N33/574A61K49/1896A61K51/1203C12N5/0669C12N2503/00
    • At least one embodiment of the invention relates to bone marrow precursor cells or bone marrow cells of a patient, the cells labeled with at least one contrast agent suitable for an imaging method, for use in an imaging method for diagnosing a metastasizing cancer, wherein the local accumulation of the labeled precursor cells or bone marrow cells indicates the presence of a metastasizing tumor growth. At least one embodiment also relates to a method for imaging a metastasizing tumor tissue in a patient, wherein a) bone marrow precursor cells or bone marrow cells are extracted from a patient, b) these precursor cells or bone marrow cells are labeled with at least one contrast agent suitable for an imaging method, c) the precursor cells or bone marrow cells thus labeled are retransplanted or reinjected into the patient, and d) the presence of metastasizing tumor cells is depicted with an imaging method. At least one embodiment also relates a method for imaging a metastasizing tumor tissue, wherein a suitable imaging method is used to image bone marrow precursor cells and/or bone marrow cells that are accumulated in a metastasizing tumor tissue and labeled with at least one contrast agent suitable for an imaging method.
    • 本发明的至少一个实施方案涉及患者的骨髓前体细胞或骨髓细胞,所述细胞用适于成像方法的至少一种造影剂标记,用于诊断转移性癌症的成像方法,其中 标记的前体细胞或骨髓细胞的局部积累表明存在转移性肿瘤生长。 至少一个实施方案还涉及用于对患者的转移性肿瘤组织进行成像的方法,其中a)从患者中提取骨髓前体细胞或骨髓细胞,b)至少标记这些前体细胞或骨髓细胞 一种适用于成像方法的造影剂,c)将如此标记的前体细胞或骨髓细胞重新移植或重新注入患者体内,d)用成像方法描绘转移肿瘤细胞的存在。 至少一个实施方案还涉及用于成像转移肿瘤组织的方法,其中使用合适的成像方法来成像骨髓前体细胞和/或骨髓细胞,所述骨髓前体细胞和/或骨髓细胞积聚在转移肿瘤组织中并用至少一种造影剂 适合成像方法。
    • 125. 发明授权
    • Method and apparatus for evaluating a 3D image of a laterally-symmetric organ system
    • 用于评估横向对称的器官系统的3D图像的方法和装置
    • US07724931B2
    • 2010-05-25
    • US11593884
    • 2006-11-07
    • Rainer KuthSebastian Schmidt
    • Rainer KuthSebastian Schmidt
    • G06K9/00G06K9/46A61B5/05
    • G06T7/0012G06K9/6206G06T2207/30008
    • In a method for automated evaluation of a three-dimensional map of a laterally-symmetric organ system as well as medical image acquisition system and a computer program for this purpose, a three-dimensional image of the organ system is segmented, and the segmented organ system is deformed such that the deformed organ system has two mirror-symmetric halves with regard to its external shape. The differences between both mirror-symmetrical halves of the deformed organ system are determined by a comparison of one half with the other half. Alternatively, instead of the deformation of the segmented organ system a mirror-symmetric normal model of the organ system can be deformed, relative to the organ system, or vice versa, such that differences of corresponding regions of both halves of the organ system can be determined using the normal model. The determined differences are presented to a user.
    • 在用于自动评估横向对称的器官系统的三维图的方法以及用于此目的的医学图像采集系统和计算机程序中,分割器官系统的三维图像,并且分割的器官 系统变形使得变形的器官系统相对于其外部形状具有两个镜像对称的两半。 通过将一半与另一半的比较来确定变形的器官系统的两个镜对称半部之间的差异。 或者,代替分段器官系统的变形,器官系统的镜像对称正常模型可以相对于器官系统变形,反之亦然,使得器官系统的两半的对应区域的差异可以是 使用正常模型确定。 所确定的差异被呈现给用户。