{"id":4495,"date":"2017-04-18T12:37:11","date_gmt":"2017-04-18T10:37:11","guid":{"rendered":"https:\/\/gehrke-media.de\/gobio-2025\/mikrokerntest\/"},"modified":"2017-04-18T12:37:11","modified_gmt":"2017-04-18T10:37:11","slug":"mikrokerntest","status":"publish","type":"page","link":"https:\/\/gobio-gmbh.de\/en\/mikrokerntest\/","title":{"rendered":"Applied Cell Biology"},"content":{"rendered":"<section class=\"l-section wpb_row height_large\"><div class=\"l-section-h i-cf\"><div class=\"g-cols vc_row via_grid cols_1 laptops-cols_inherit tablets-cols_inherit mobiles-cols_1 valign_top type_default stacking_default\"><div class=\"wpb_column vc_column_container\"><div class=\"vc_column-inner\">[vc_custom_heading text=&#8221;Healthy Stem Cell Services&#8221; use_theme_fonts=&#8221;yes&#8221;]<div class=\"wpb_text_column\"><div class=\"wpb_wrapper\"><p>In vitro assessment of the effects on the vertebrate genome is currently based on conventional, destructive nuclear staining procedures applied to immortalized mammalian cell lines (OECD TG 487). The use of our self-signaling cell line KCB<span class=\"tief\">GFP<\/span> (DSMC ACC3285) has an excellent potential to replace the previously used lines. Our technique to visualize nuclear structures based on inherited green fluorescent labeling of functional chromosomes reduces the cost of the method on the order of more than 80%.<\/p>\n<\/div><\/div><div class=\"w-separator size_medium\"><\/div>[vc_custom_heading text=&#8221;Cell coated plate technology&#8221; use_theme_fonts=&#8221;yes&#8221;]<div class=\"g-cols wpb_row via_grid cols_2 laptops-cols_inherit tablets-cols_inherit mobiles-cols_1 valign_top type_default stacking_default\" style=\"--columns-gap:3rem;\"><div class=\"wpb_column vc_column_container\"><div class=\"vc_column-inner\"><div class=\"wpb_text_column\"><div class=\"wpb_wrapper\"><p>This new technology enables providing ready-to-use cell coated 96-well culture plates.<br \/>\nAfter a short pre-culture period (12-24 hrs) under ambient temperature and CO2 conditions the cells grow to a 60% confluent monolayer and are then ready for exposure.<\/p>\n<\/div><\/div><div class=\"w-separator size_small\"><\/div><div class=\"w-image align_none\"><div class=\"w-image-h\"><img decoding=\"async\" width=\"828\" height=\"437\" src=\"https:\/\/gobio-gmbh.de\/wp-content\/uploads\/2025\/06\/mikrokerntest-gobio-033.jpg\" class=\"attachment-large size-large\" alt=\"\" loading=\"lazy\" srcset=\"https:\/\/gobio-gmbh.de\/wp-content\/uploads\/2025\/06\/mikrokerntest-gobio-033.jpg 828w, https:\/\/gobio-gmbh.de\/wp-content\/uploads\/2025\/06\/mikrokerntest-gobio-033-300x158.jpg 300w\" sizes=\"auto, (max-width: 828px) 100vw, 828px\" \/><\/div><\/div><\/div><\/div><div class=\"wpb_column vc_column_container\"><div class=\"vc_column-inner\"><div class=\"w-image align_none\"><div class=\"w-image-h\"><img decoding=\"async\" width=\"600\" height=\"495\" src=\"https:\/\/gobio-gmbh.de\/wp-content\/uploads\/2025\/06\/mikrokerntest-gobio-032.jpg\" class=\"attachment-large size-large\" alt=\"\" loading=\"lazy\" srcset=\"https:\/\/gobio-gmbh.de\/wp-content\/uploads\/2025\/06\/mikrokerntest-gobio-032.jpg 600w, https:\/\/gobio-gmbh.de\/wp-content\/uploads\/2025\/06\/mikrokerntest-gobio-032-300x248.jpg 300w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/div><\/div><div class=\"w-separator size_small\"><\/div><div class=\"wpb_text_column\"><div class=\"wpb_wrapper\"><p><em>Self-signaling nuclear structures of healthy cells (a-b)<\/em><br \/>\n<em>Loss of chromosomes caused by genotoxic compounds (c-d)<\/em><\/p>\n<\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/section><section class=\"l-section wpb_row height_large\"><div class=\"l-section-h i-cf\"><div class=\"g-cols vc_row via_grid cols_1 laptops-cols_inherit tablets-cols_inherit mobiles-cols_1 valign_top type_default stacking_default\"><div class=\"wpb_column vc_column_container\"><div class=\"vc_column-inner\">[vc_custom_heading text=&#8221;Exposure to Test compound&#8221; use_theme_fonts=&#8221;yes&#8221;]<div class=\"w-image align_none\"><div class=\"w-image-h\"><img decoding=\"async\" width=\"900\" height=\"636\" src=\"https:\/\/gobio-gmbh.de\/wp-content\/uploads\/2025\/06\/mikrokerntest-gobio-035.jpg\" class=\"attachment-large size-large\" alt=\"\" loading=\"lazy\" srcset=\"https:\/\/gobio-gmbh.de\/wp-content\/uploads\/2025\/06\/mikrokerntest-gobio-035.jpg 900w, https:\/\/gobio-gmbh.de\/wp-content\/uploads\/2025\/06\/mikrokerntest-gobio-035-300x212.jpg 300w\" sizes=\"auto, (max-width: 900px) 100vw, 900px\" \/><\/div><\/div><div class=\"w-separator size_small\"><\/div><div class=\"wpb_text_column\"><div class=\"wpb_wrapper\"><p>Effects on nuclear structures of living cells\u00a0 can be recorded\u00a0 after 12-14 h exposure to the test compound and a recovery period of 2-24 hours\u00a0 by inverse fluorescence microcopy.<\/p>\n<\/div><\/div><\/div><\/div><\/div><\/div><\/section><section class=\"l-section wpb_row height_large\"><div class=\"l-section-h i-cf\"><div class=\"g-cols vc_row via_grid cols_1 laptops-cols_inherit tablets-cols_inherit mobiles-cols_1 valign_top type_default stacking_default\"><div class=\"wpb_column vc_column_container\"><div class=\"vc_column-inner\">[vc_custom_heading text=&#8221;Genotoxicity, Cytotoxicity and Cytostatic Testing&#8221; use_theme_fonts=&#8221;yes&#8221;]<div class=\"w-tabs layout_hor style_default switch_click has_scrolling\" style=\"--sections-title-size:1em\"><div class=\"w-tabs-list items_3 align_none\"><div class=\"w-tabs-list-h\"><button class=\"w-tabs-item active\" aria-controls=\"content-Genotoxicity\" aria-expanded=\"false\"><span class=\"w-tabs-item-title\">Micronucleus test<\/span><\/button><button class=\"w-tabs-item\" aria-controls=\"content-Cytotoxicity\" aria-expanded=\"false\"><span class=\"w-tabs-item-title\">Cytotoxicity test<\/span><\/button><button class=\"w-tabs-item\" aria-controls=\"content-Cytostatic\" aria-expanded=\"false\"><span class=\"w-tabs-item-title\">Cytostatic Testing<\/span><\/button><\/div><\/div><div class=\"w-tabs-sections titles-align_none icon_chevron cpos_right\"><div class=\"w-tabs-section active\" id=\"Genotoxicity\"><button class=\"w-tabs-section-header active\" aria-controls=\"content-Genotoxicity\" aria-expanded=\"true\"><div class=\"w-tabs-section-title\">Micronucleus test<\/div><div class=\"w-tabs-section-control\"><\/div><\/button><div  class=\"w-tabs-section-content\" id=\"content-Genotoxicity\"><div class=\"w-tabs-section-content-h i-cf\"><div class=\"wpb_text_column\"><div class=\"wpb_wrapper\"><p>The KCB<sub>eGFP<\/sub> cell line allows for the detection of micronuclei.\u00a0Micronucleus frequencies can be determined in a time window of 2-24h after exposure to the test compound in the living cells.<\/p>\n<\/div><\/div><div class=\"w-separator size_small\"><\/div><div class=\"w-image align_none\"><div class=\"w-image-h\"><img decoding=\"async\" width=\"265\" height=\"156\" src=\"https:\/\/gobio-gmbh.de\/wp-content\/uploads\/2025\/06\/mikrokerntest-gobio-031.jpg\" class=\"attachment-large size-large\" alt=\"\" loading=\"lazy\" \/><\/div><\/div><div class=\"w-separator size_small\"><\/div><div class=\"w-image align_none\"><div class=\"w-image-h\"><img decoding=\"async\" width=\"750\" height=\"450\" src=\"https:\/\/gobio-gmbh.de\/wp-content\/uploads\/2025\/06\/mikrokerntest-gobio-4-NQO-MN.jpg\" class=\"attachment-large size-large\" alt=\"\" loading=\"lazy\" srcset=\"https:\/\/gobio-gmbh.de\/wp-content\/uploads\/2025\/06\/mikrokerntest-gobio-4-NQO-MN.jpg 750w, https:\/\/gobio-gmbh.de\/wp-content\/uploads\/2025\/06\/mikrokerntest-gobio-4-NQO-MN-300x180.jpg 300w\" sizes=\"auto, (max-width: 750px) 100vw, 750px\" \/><\/div><\/div><\/div><\/div><\/div><div class=\"w-tabs-section\" id=\"Cytotoxicity\"><button class=\"w-tabs-section-header\" aria-controls=\"content-Cytotoxicity\" aria-expanded=\"false\"><div class=\"w-tabs-section-title\">Cytotoxicity test<\/div><div class=\"w-tabs-section-control\"><\/div><\/button><div  class=\"w-tabs-section-content\" id=\"content-Cytotoxicity\"><div class=\"w-tabs-section-content-h i-cf\"><div class=\"wpb_text_column\"><div class=\"wpb_wrapper\"><p>The fragmentation of nuclei indicating cell death due to exposure to a cytotoxic substance is clearly recognizable in pictures of the KCB<sub>eGFP<\/sub> cell line. Cytotoxicity can be detected much earlier than previously possible. Brightfield microscopic detectable cell damages occur much later.<\/p>\n<\/div><\/div><div class=\"w-separator size_small\"><\/div><div class=\"g-cols wpb_row via_grid cols_2 laptops-cols_inherit tablets-cols_inherit mobiles-cols_1 valign_top type_default stacking_default\" style=\"--columns-gap:3rem;\"><div class=\"wpb_column vc_column_container\"><div class=\"vc_column-inner\"><div class=\"w-image align_none\"><div class=\"w-image-h\"><img decoding=\"async\" width=\"337\" height=\"176\" src=\"https:\/\/gobio-gmbh.de\/wp-content\/uploads\/2025\/06\/mikrokerntest-gobio-014.png\" class=\"attachment-large size-large\" alt=\"\" loading=\"lazy\" srcset=\"https:\/\/gobio-gmbh.de\/wp-content\/uploads\/2025\/06\/mikrokerntest-gobio-014.png 337w, https:\/\/gobio-gmbh.de\/wp-content\/uploads\/2025\/06\/mikrokerntest-gobio-014-300x157.png 300w\" sizes=\"auto, (max-width: 337px) 100vw, 337px\" \/><\/div><\/div><\/div><\/div><div class=\"wpb_column vc_column_container\"><div class=\"vc_column-inner\"><div class=\"w-image align_none\"><a target=\"_blank\" href=\"https:\/\/www.gobio-gmbh.de\/dienstleistungen\/videos\/4-NQO_005uM_C4_1_cytotox.mp4\" aria-label=\"video-cytotoxicity-testing\" class=\"w-image-h\"><img decoding=\"async\" width=\"337\" height=\"176\" src=\"https:\/\/gobio-gmbh.de\/wp-content\/uploads\/2025\/06\/video-cytotoxicity-testing.jpg\" class=\"attachment-large size-large\" alt=\"\" loading=\"lazy\" srcset=\"https:\/\/gobio-gmbh.de\/wp-content\/uploads\/2025\/06\/video-cytotoxicity-testing.jpg 337w, https:\/\/gobio-gmbh.de\/wp-content\/uploads\/2025\/06\/video-cytotoxicity-testing-300x157.jpg 300w\" sizes=\"auto, (max-width: 337px) 100vw, 337px\" \/><\/a><\/div><\/div><\/div><\/div><div class=\"w-separator size_small\"><\/div><div class=\"w-image align_none\"><div class=\"w-image-h\"><img decoding=\"async\" width=\"750\" height=\"450\" src=\"https:\/\/gobio-gmbh.de\/wp-content\/uploads\/2025\/06\/mikrokerntest-gobio-4-NQO-FN.jpg\" class=\"attachment-large size-large\" alt=\"\" loading=\"lazy\" srcset=\"https:\/\/gobio-gmbh.de\/wp-content\/uploads\/2025\/06\/mikrokerntest-gobio-4-NQO-FN.jpg 750w, https:\/\/gobio-gmbh.de\/wp-content\/uploads\/2025\/06\/mikrokerntest-gobio-4-NQO-FN-300x180.jpg 300w\" sizes=\"auto, (max-width: 750px) 100vw, 750px\" \/><\/div><\/div><\/div><\/div><\/div><div class=\"w-tabs-section\" id=\"Cytostatic\"><button class=\"w-tabs-section-header\" aria-controls=\"content-Cytostatic\" aria-expanded=\"false\"><div class=\"w-tabs-section-title\">Cytostatic Testing<\/div><div class=\"w-tabs-section-control\"><\/div><\/button><div  class=\"w-tabs-section-content\" id=\"content-Cytostatic\"><div class=\"w-tabs-section-content-h i-cf\"><div class=\"wpb_text_column\"><div class=\"wpb_wrapper\"><p><span>Through kinetic live-imaging of the KCB<\/span><sub>eGFP<\/sub><span>\u00a0cell line, cytotoxic effects can be distinguished from cytostatic effects, an often neglected difference. This enables testing of compounds for non-cytotoxic cytostatic activity. In cancer research drugs that act on cell cycle control provide important information and open new perspectives for therapeutical use.<\/span><\/p>\n<\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/section><section class=\"l-section wpb_row height_large\"><div class=\"l-section-h i-cf\"><div class=\"g-cols vc_row via_grid cols_1 laptops-cols_inherit tablets-cols_inherit mobiles-cols_1 valign_top type_default stacking_default\"><div class=\"wpb_column vc_column_container\"><div class=\"vc_column-inner\"><div class=\"wpb_text_column\"><div class=\"wpb_wrapper\"><p><a href=\"https:\/\/www.gobio-gmbh.de\/en\/leistungen\/biologische-testverfahren\/mikrokerntest\/\">\u201eTechnical information\u201c click here<\/a><\/p>\n<\/div><\/div><div class=\"w-separator size_small\"><\/div><div class=\"w-image align_none\"><div class=\"w-image-h\"><img decoding=\"async\" width=\"1024\" height=\"462\" src=\"https:\/\/gobio-gmbh.de\/wp-content\/uploads\/2025\/06\/grafik-cytostatic-testing-1024x462.png\" class=\"attachment-large size-large\" alt=\"\" loading=\"lazy\" srcset=\"https:\/\/gobio-gmbh.de\/wp-content\/uploads\/2025\/06\/grafik-cytostatic-testing-1024x462.png 1024w, https:\/\/gobio-gmbh.de\/wp-content\/uploads\/2025\/06\/grafik-cytostatic-testing-300x135.png 300w, https:\/\/gobio-gmbh.de\/wp-content\/uploads\/2025\/06\/grafik-cytostatic-testing.png 1039w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/div><\/div><div class=\"w-separator size_small\"><\/div><div class=\"g-cols wpb_row via_grid cols_4 laptops-cols_inherit tablets-cols_inherit mobiles-cols_1 valign_top type_default stacking_default\" style=\"--columns-gap:3rem;\"><div class=\"wpb_column vc_column_container\"><div class=\"vc_column-inner\"><div class=\"w-image align_none\"><a target=\"_blank\" href=\"https:\/\/www.gobio-gmbh.de\/dienstleistungen\/videos\/VID311_D2_1_control_a.mp4\" aria-label=\"Cytostatic-video-a\" class=\"w-image-h\"><img decoding=\"async\" width=\"170\" height=\"170\" src=\"https:\/\/gobio-gmbh.de\/wp-content\/uploads\/2025\/06\/Cytostatic-video-a.jpg\" class=\"attachment-large size-large\" alt=\"\" loading=\"lazy\" srcset=\"https:\/\/gobio-gmbh.de\/wp-content\/uploads\/2025\/06\/Cytostatic-video-a.jpg 170w, https:\/\/gobio-gmbh.de\/wp-content\/uploads\/2025\/06\/Cytostatic-video-a-150x150.jpg 150w\" sizes=\"auto, (max-width: 170px) 100vw, 170px\" \/><\/a><\/div><\/div><\/div><div class=\"wpb_column vc_column_container\"><div class=\"vc_column-inner\"><div class=\"w-image align_none\"><a target=\"_blank\" href=\"https:\/\/www.gobio-gmbh.de\/dienstleistungen\/videos\/VID311_F4_1_food supplement_b.mp4\" aria-label=\"Cytostatic-video-b\" class=\"w-image-h\"><img decoding=\"async\" width=\"170\" height=\"170\" src=\"https:\/\/gobio-gmbh.de\/wp-content\/uploads\/2025\/06\/Cytostatic-video-b.jpg\" class=\"attachment-large size-large\" alt=\"\" loading=\"lazy\" srcset=\"https:\/\/gobio-gmbh.de\/wp-content\/uploads\/2025\/06\/Cytostatic-video-b.jpg 170w, https:\/\/gobio-gmbh.de\/wp-content\/uploads\/2025\/06\/Cytostatic-video-b-150x150.jpg 150w\" sizes=\"auto, (max-width: 170px) 100vw, 170px\" \/><\/a><\/div><\/div><\/div><div class=\"wpb_column vc_column_container\"><div class=\"vc_column-inner\"><div class=\"w-image align_none\"><a target=\"_blank\" href=\"https:\/\/www.gobio-gmbh.de\/dienstleistungen\/videos\/VID311_D8_1_herbicide_c.mp4\" aria-label=\"Cytostatic-video-c\" class=\"w-image-h\"><img decoding=\"async\" width=\"170\" height=\"170\" src=\"https:\/\/gobio-gmbh.de\/wp-content\/uploads\/2025\/06\/Cytostatic-video-c.jpg\" class=\"attachment-large size-large\" alt=\"\" loading=\"lazy\" srcset=\"https:\/\/gobio-gmbh.de\/wp-content\/uploads\/2025\/06\/Cytostatic-video-c.jpg 170w, https:\/\/gobio-gmbh.de\/wp-content\/uploads\/2025\/06\/Cytostatic-video-c-150x150.jpg 150w\" sizes=\"auto, (max-width: 170px) 100vw, 170px\" \/><\/a><\/div><\/div><\/div><div class=\"wpb_column vc_column_container\"><div class=\"vc_column-inner\"><div class=\"w-image align_none\"><a target=\"_blank\" href=\"https:\/\/www.gobio-gmbh.de\/dienstleistungen\/videos\/VID311_G11_1_anticancer_drug_d.mp4\" aria-label=\"Cytostatic-video-d\" class=\"w-image-h\"><img decoding=\"async\" width=\"170\" height=\"170\" src=\"https:\/\/gobio-gmbh.de\/wp-content\/uploads\/2025\/06\/Cytostatic-video-d.jpg\" class=\"attachment-large size-large\" alt=\"\" loading=\"lazy\" srcset=\"https:\/\/gobio-gmbh.de\/wp-content\/uploads\/2025\/06\/Cytostatic-video-d.jpg 170w, https:\/\/gobio-gmbh.de\/wp-content\/uploads\/2025\/06\/Cytostatic-video-d-150x150.jpg 150w\" sizes=\"auto, (max-width: 170px) 100vw, 170px\" \/><\/a><\/div><\/div><\/div><\/div><div class=\"w-separator size_small\"><\/div><div class=\"wpb_text_column\"><div class=\"wpb_wrapper\"><p style=\"text-align: center;\">Click on the image for corresponding live-imaging videos<\/p>\n<\/div><\/div><\/div><\/div><\/div><\/div><\/section><section class=\"l-section wpb_row height_large\"><div class=\"l-section-h i-cf\"><div class=\"g-cols vc_row via_grid cols_1 laptops-cols_inherit tablets-cols_inherit mobiles-cols_1 valign_top type_default stacking_default\"><div class=\"wpb_column vc_column_container\"><div class=\"vc_column-inner\">[vc_custom_heading text=&#8221;Downstream analysis&#8221; use_theme_fonts=&#8221;yes&#8221;]<div class=\"wpb_text_column\"><div class=\"wpb_wrapper\"><p>Since the new technique of detecting genotoxins is non-destructive, and the KBC<span class=\"untergestellt\">GFP<\/span> line is neither immortalised nor of malignant origin, a so called \u201cdownstream analysis\u201d is possible. After the assessment of the genotoxic potential, further cultivation and investigation regarding carcinogenic transformations of the daughter cells can be performed.<\/p>\n<\/div><\/div><div class=\"w-separator size_small\"><\/div><div class=\"w-image align_none\"><div class=\"w-image-h\"><img decoding=\"async\" width=\"900\" height=\"250\" src=\"https:\/\/gobio-gmbh.de\/wp-content\/uploads\/2025\/06\/mikrokerntest-gobio-021.jpg\" class=\"attachment-large size-large\" alt=\"\" loading=\"lazy\" srcset=\"https:\/\/gobio-gmbh.de\/wp-content\/uploads\/2025\/06\/mikrokerntest-gobio-021.jpg 900w, https:\/\/gobio-gmbh.de\/wp-content\/uploads\/2025\/06\/mikrokerntest-gobio-021-300x83.jpg 300w\" sizes=\"auto, (max-width: 900px) 100vw, 900px\" \/><\/div><\/div><div class=\"w-separator size_small\"><\/div>[vc_custom_heading text=&#8221;Carcinogenic Cell Transformation&#8221; use_theme_fonts=&#8221;yes&#8221;]<div class=\"w-tabs layout_ver navwidth_auto navpos_left style_default switch_click has_scrolling\" style=\"--sections-title-size:1em\"><div class=\"w-tabs-list items_4 align_none\"><div class=\"w-tabs-list-h\"><button class=\"w-tabs-item active\" aria-controls=\"content-nbe6\" aria-expanded=\"false\"><span class=\"w-tabs-item-title\">Cell proliferation<\/span><\/button><button class=\"w-tabs-item\" aria-controls=\"content-transformation\" aria-expanded=\"false\"><span class=\"w-tabs-item-title\">Transformation<\/span><\/button><button class=\"w-tabs-item\" aria-controls=\"content-motility\" aria-expanded=\"false\"><span class=\"w-tabs-item-title\">Motility<\/span><\/button><button class=\"w-tabs-item\" aria-controls=\"content-h32f\" aria-expanded=\"false\"><span class=\"w-tabs-item-title\">Molecular Analyses<\/span><\/button><\/div><\/div><div class=\"w-tabs-sections titles-align_none icon_chevron cpos_right\"><div class=\"w-tabs-section active\" id=\"nbe6\"><button class=\"w-tabs-section-header active\" aria-controls=\"content-nbe6\" aria-expanded=\"true\"><div class=\"w-tabs-section-title\">Cell proliferation<\/div><div class=\"w-tabs-section-control\"><\/div><\/button><div  class=\"w-tabs-section-content\" id=\"content-nbe6\"><div class=\"w-tabs-section-content-h i-cf\">[vc_custom_heading text=&#8221;Cell proliferation&#8221; font_container=&#8221;tag:h3|text_align:left&#8221; use_theme_fonts=&#8221;yes&#8221;]<div class=\"wpb_text_column\"><div class=\"wpb_wrapper\"><p>The nuclear fluorescence signal enables automated cell counting. The precise reproduction of the chromosomal structure in the course of the cell cycle allows for a distinction between interphase, metaphase, anaphase and cell death (karyorrhexis). The synopsis of these data results in a more differentiated picture of cell proliferation than has been possible so far.<\/p>\n<\/div><\/div><div class=\"w-separator size_small\"><\/div><div class=\"w-image align_none\"><div class=\"w-image-h\"><img decoding=\"async\" width=\"718\" height=\"248\" src=\"https:\/\/gobio-gmbh.de\/wp-content\/uploads\/2025\/06\/mikrokerntest-gobio-036.jpg\" class=\"attachment-large size-large\" alt=\"\" loading=\"lazy\" srcset=\"https:\/\/gobio-gmbh.de\/wp-content\/uploads\/2025\/06\/mikrokerntest-gobio-036.jpg 718w, https:\/\/gobio-gmbh.de\/wp-content\/uploads\/2025\/06\/mikrokerntest-gobio-036-300x104.jpg 300w\" sizes=\"auto, (max-width: 718px) 100vw, 718px\" \/><\/div><\/div><\/div><\/div><\/div><div class=\"w-tabs-section\" id=\"transformation\"><button class=\"w-tabs-section-header\" aria-controls=\"content-transformation\" aria-expanded=\"false\"><div class=\"w-tabs-section-title\">Transformation<\/div><div class=\"w-tabs-section-control\"><\/div><\/button><div  class=\"w-tabs-section-content\" id=\"content-transformation\"><div class=\"w-tabs-section-content-h i-cf\">[vc_custom_heading text=&#8221;Transformation&#8221; font_container=&#8221;tag:h3|text_align:left&#8221; use_theme_fonts=&#8221;yes&#8221;]<div class=\"wpb_text_column\"><div class=\"wpb_wrapper\"><p>After the assessment of the genotoxic potential, further cultivation and investigation regarding carcinogenic transformations of the daughter cells can be performed. The figure shows cells of a down stream culture 384 hours after exposure and subsequent removal of the test compound. The number of nuclei with a brighter fluorescence signal is higher in exposed cells compared to control cells. These alterations of the nuclear morphology correspond to the irreversible condensation of chromatin, known as pyknosis, which is thought to be associated with the carcinogenic transformation of stem cells.<\/p>\n<\/div><\/div><div class=\"w-separator size_small\"><\/div><div class=\"w-image align_none\"><div class=\"w-image-h\"><img decoding=\"async\" width=\"300\" height=\"222\" src=\"https:\/\/gobio-gmbh.de\/wp-content\/uploads\/2025\/06\/mikrokerntest-gobio-028-300x222-1.jpg\" class=\"attachment-large size-large\" alt=\"\" loading=\"lazy\" \/><\/div><\/div><div class=\"w-separator size_small\"><\/div><div class=\"w-image align_none\"><div class=\"w-image-h\"><img decoding=\"async\" width=\"1024\" height=\"342\" src=\"https:\/\/gobio-gmbh.de\/wp-content\/uploads\/2025\/06\/mikrokerntest-gobio-027-1024x342.jpg\" class=\"attachment-large size-large\" alt=\"\" loading=\"lazy\" srcset=\"https:\/\/gobio-gmbh.de\/wp-content\/uploads\/2025\/06\/mikrokerntest-gobio-027-1024x342.jpg 1024w, https:\/\/gobio-gmbh.de\/wp-content\/uploads\/2025\/06\/mikrokerntest-gobio-027-300x100.jpg 300w, https:\/\/gobio-gmbh.de\/wp-content\/uploads\/2025\/06\/mikrokerntest-gobio-027.jpg 1774w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/div><\/div><\/div><\/div><\/div><div class=\"w-tabs-section\" id=\"motility\"><button class=\"w-tabs-section-header\" aria-controls=\"content-motility\" aria-expanded=\"false\"><div class=\"w-tabs-section-title\">Motility<\/div><div class=\"w-tabs-section-control\"><\/div><\/button><div  class=\"w-tabs-section-content\" id=\"content-motility\"><div class=\"w-tabs-section-content-h i-cf\">[vc_custom_heading text=&#8221;Motility&#8221; font_container=&#8221;tag:h3|text_align:left&#8221; use_theme_fonts=&#8221;yes&#8221;]<div class=\"wpb_text_column\"><div class=\"wpb_wrapper\"><p>In general in vitro toxicology as well as cytopathology records only snapshots of cell cultures status or the condition of a tissue.\u00a0 Thus role of cell motility is often not considered. Cell boundaries of moving cells in culture or in a tissue are hardly depictable. The elongated deformation of cell nuclei coming along with cell motility, is traceable by the fluorescence signal. For some test compounds a dose-dependent increase in the number of elongated deformed nuclei was observed.<\/p>\n<\/div><\/div><div class=\"w-separator size_small\"><\/div><div class=\"w-image align_none\"><div class=\"w-image-h\"><img decoding=\"async\" width=\"284\" height=\"416\" src=\"https:\/\/gobio-gmbh.de\/wp-content\/uploads\/2025\/06\/mikrokerntest-gobio-009.png\" class=\"attachment-large size-large\" alt=\"\" loading=\"lazy\" srcset=\"https:\/\/gobio-gmbh.de\/wp-content\/uploads\/2025\/06\/mikrokerntest-gobio-009.png 284w, https:\/\/gobio-gmbh.de\/wp-content\/uploads\/2025\/06\/mikrokerntest-gobio-009-205x300.png 205w\" sizes=\"auto, (max-width: 284px) 100vw, 284px\" \/><\/div><\/div><div class=\"wpb_text_column bild_unterschrift\"><div class=\"wpb_wrapper\"><p><i>A), B) deformed nuclei of migrating cells in vitro<br \/>\n<\/i>C)\u00a0<em>Infiltrating KCB cells in liver ex vivo preparations seven days after transplantation<\/em><\/p>\n<\/div><\/div><div class=\"w-separator size_small\"><\/div><div class=\"w-image align_none\"><div class=\"w-image-h\"><img decoding=\"async\" width=\"1024\" height=\"512\" src=\"https:\/\/gobio-gmbh.de\/wp-content\/uploads\/2025\/06\/mikrokerntest-gobio-Elongated-nuclei-1024x512.jpg\" class=\"attachment-large size-large\" alt=\"\" loading=\"lazy\" srcset=\"https:\/\/gobio-gmbh.de\/wp-content\/uploads\/2025\/06\/mikrokerntest-gobio-Elongated-nuclei-1024x512.jpg 1024w, https:\/\/gobio-gmbh.de\/wp-content\/uploads\/2025\/06\/mikrokerntest-gobio-Elongated-nuclei-300x150.jpg 300w, https:\/\/gobio-gmbh.de\/wp-content\/uploads\/2025\/06\/mikrokerntest-gobio-Elongated-nuclei.jpg 1890w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/div><\/div><\/div><\/div><\/div><div class=\"w-tabs-section\" id=\"h32f\"><button class=\"w-tabs-section-header\" aria-controls=\"content-h32f\" aria-expanded=\"false\"><div class=\"w-tabs-section-title\">Molecular Analyses<\/div><div class=\"w-tabs-section-control\"><\/div><\/button><div  class=\"w-tabs-section-content\" id=\"content-h32f\"><div class=\"w-tabs-section-content-h i-cf\">[vc_custom_heading text=&#8221;Molecular Analyses&#8221; font_container=&#8221;tag:h3|text_align:left&#8221; use_theme_fonts=&#8221;yes&#8221;]<div class=\"wpb_text_column\"><div class=\"wpb_wrapper\"><p><span>Gobio has investigated a number of tumorgenes. Please contact us regarding molecular downsstream analyses of post exposure (down stream cells) to investigate marker genes in the focus of your research NGS data of transcriptom available<\/span><\/p>\n<\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/section>\n","protected":false},"excerpt":{"rendered":"[vc_custom_heading text=\"Healthy Stem Cell Services\" use_theme_fonts=\"yes\"]In vitro assessment of the effects on the vertebrate genome is currently based on conventional, destructive nuclear staining procedures applied to immortalized mammalian cell lines (OECD TG 487). The use of our self-signaling cell line KCBGFP (DSMC ACC3285) has an excellent potential to replace the previously used lines. Our technique...","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-4495","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/gobio-gmbh.de\/en\/wp-json\/wp\/v2\/pages\/4495","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/gobio-gmbh.de\/en\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/gobio-gmbh.de\/en\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/gobio-gmbh.de\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/gobio-gmbh.de\/en\/wp-json\/wp\/v2\/comments?post=4495"}],"version-history":[{"count":0,"href":"https:\/\/gobio-gmbh.de\/en\/wp-json\/wp\/v2\/pages\/4495\/revisions"}],"wp:attachment":[{"href":"https:\/\/gobio-gmbh.de\/en\/wp-json\/wp\/v2\/media?parent=4495"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}