{"id":20428,"date":"2026-07-16T14:31:41","date_gmt":"2026-07-16T07:31:41","guid":{"rendered":"https:\/\/fkg.ugm.ac.id\/?p=20428"},"modified":"2026-07-16T14:31:43","modified_gmt":"2026-07-16T07:31:43","slug":"telur-ayam-melawan-bakteri-mematikan-harapan-baru-dari-penelitian-fkg-ugm","status":"publish","type":"post","link":"https:\/\/fkg.ugm.ac.id\/en\/telur-ayam-melawan-bakteri-mematikan-harapan-baru-dari-penelitian-fkg-ugm\/","title":{"rendered":"Chicken Eggs Against Deadly Bacteria: New Hope from FKG UGM Research"},"content":{"rendered":"<h1 class=\"wp-block-heading translation-block\">Imagine an ordinary chicken egg containing a biological weapon capable of protecting human immune cells from the attack of one of the world's most stubborn bacterial toxins. That is the essence of a surprising finding from research led by Prof. drg. Heni Susilowati, M.Kes., Ph.D., PBO., Professor in the Department of Oral Biology, Faculty of Dentistry, Universitas Gadjah Mada\u2014a study that opens a new path in the fight against Pseudomonas aeruginosa, an opportunistic bacterium that has long been a nightmare for the medical world.<\/h1>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>The Blue Toxin That Kills Immune Cells<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph translation-block\">Pseudomonas aeruginosa is no ordinary bacterium. It lives almost everywhere, from soil to hospital surfaces, and is known as one of the leading causes of nosocomial infections\u2014 infections acquired by patients while receiving care in healthcare facilities. In patients with cystic fibrosis, infection with this bacterium can be fatal because of its resistance to multiple types of antibiotics.<\/p>\n\n\n\n<p class=\"wp-block-paragraph translation-block\">What makes this bacterium particularly dangerous is not only its resistance to drugs, but also its chemical weapon: pyocyanin (PCN). This blue-green pigment is a secondary metabolite released by P. aeruginosa early in the course of infection. PCN is known to suppress the function of B cells, T cells, and macrophages\u2014three crucial components of the body's immune system. Moreover, PCN induces cell death through the activation of caspase 3, an enzyme that functions like a \u201cself-destruct button\u201d within the cell.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Previous research by the same group had demonstrated that PCN kills human B cells (Raji cells) through this caspase 3 pathway. The question that remained was: is there a way to stop this cell-death process?<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>From the Chicken Coop to the Laboratory<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">The answer came from an unexpected source\u2014from the yolks of Leghorn chicken eggs.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The research team, consisting of Prof. drg. Heni Susilowati, M.Kes., Ph.D., PBO., together with Sidna Artanto, Heribertus Dedy Kusuma Yulianto, Wihaskoro Sosroseno, and Suryani Hutomo, designed a carefully controlled immunization protocol. Five three-month-old Leghorn chickens were injected with PCN mixed with complete Freund's adjuvant and then given two booster injections at two-week intervals. One week after the final immunization, the eggs were collected and IgY\u2014an immunoglobulin stored in chicken egg yolks and equivalent to IgG in mammals\u2014was extracted using a specialized purification kit.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The result? Egg yolks from the immunized chickens contained highly specific IgY against PCN. An agarose gel precipitation test (AGPT) showed clear precipitate lines, while ELISA confirmed a significant concentration of specific IgY\u2014the first batch reaching 8.95 \u03bcg\/\u03bcl.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong><em>\u201cAntigen-specific IgY antibodies were able to inhibit PCN-induced Raji cell death, suggesting that PCN-specific IgY antibodies may be protective against PCN-induced Raji cell death.\u201d \u2014 Prof. drg. Heni Susilowati, M.Kes., Ph.D., PBO., in a 2019 F1000Research research report<\/em><\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Cells That Survived, Hope That Grew<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The testing was conducted using Raji cells\u2014a human B-cell line cultured in the laboratory. These cells were exposed to various concentrations of PCN, and the results were consistent: the higher the PCN dose, the more cells died. When anti-PCN-specific IgY was added to the mixture, the picture changed dramatically.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">At an IgY concentration of 28.19 \u03bcg\/mL or higher, the ability of PCN to kill Raji cells was significantly inhibited (p&lt;0.05). This protective effect was dose-dependent\u2014the higher the IgY dose, the greater the protection. Microscopic observations using acridine orange\/ethidium bromide staining further supported these findings visually: cells exposed to the PCN-IgY mixture appeared bright green (living), in substantially greater numbers than cells exposed only to PCN, which appeared orange-red (dead).<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The exact mechanism has not yet been fully elucidated. The research team hypothesized that the PCN-IgY complex fails to activate caspase 3 inside Raji cells, thereby interrupting the cell-death pathway. However, this hypothesis still requires further validation.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>More Than Just a Laboratory Finding<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Funded by a grant from the Ministry of Research, Technology, and Higher Education of the Republic of Indonesia, this research is not merely about cells in a Petri dish. It addresses a much broader challenge: how can we confront bacteria that have become resistant to antibiotics?<\/p>\n\n\n\n<p class=\"wp-block-paragraph translation-block\">P. aeruginosa has also been found in dental pulp and periapical lesions, and its presence has been associated with endodontic treatment failure. This means that the bacterium is not unfamiliar in the field of dentistry. IgY-based immunotherapy\u2014which has previously been shown to prevent P. aeruginosa colonization in patients with cystic fibrosis through oral administration\u2014now has an additional layer of evidence: it may also protect immune cells from toxins released by the bacterium itself.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">If these findings can eventually be translated into an effective therapy, then that seemingly ordinary chicken egg may contain more answers than we have ever imagined.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Source DOI: <a href=\"https:\/\/doi.org\/10.12688\/f1000research.19327.1\">https:\/\/doi.org\/10.12688\/f1000research.19327.1<\/a><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Authors: Anny Anggraini; drg. Achmad Zam Zam Aghasy, M.Kes.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Photo: Pexels <\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>","protected":false},"excerpt":{"rendered":"<p>Bayangkan sebutir telur ayam biasa menyimpan senjata biologis yang mampu melindungi sel imun manusia dari serangan racun bakteri paling bandel di dunia. Itulah inti temuan mengejutkan dari penelitian yang dipimpin Prof. drg. Heni Susilowati, M.Kes., Ph.D., PBO., Guru Besar Departemen Biologi Oral Fakultas Kedokteran Gigi Universitas Gadjah Mada \u2014 sebuah studi yang membuka jalan baru [&hellip;]<\/p>\n","protected":false},"author":615,"featured_media":20437,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[359,136],"tags":[298,307,289,291,297],"class_list":["post-20428","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-artikel","category-berita-terbaru","tag-sdg-10-mengurangi-ketidaksetaraan","tag-sdg-17-kemitraan-untuk-mencapai-tujuan","tag-sdg-3-kesehatan-dan-kesejahteraan-yang-baik","tag-sdg-4-pendidikan-berkualitas","tag-sdg-9-industri-inovasi-dan-infrastruktur"],"gutentor_comment":0,"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.6 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Telur Ayam Melawan Bakteri Mematikan: Harapan Baru dari Penelitian FKG UGM - Fakultas Kedokteran Gigi<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/fkg.ugm.ac.id\/en\/telur-ayam-melawan-bakteri-mematikan-harapan-baru-dari-penelitian-fkg-ugm\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Telur Ayam Melawan Bakteri Mematikan: Harapan Baru dari Penelitian FKG UGM - Fakultas Kedokteran Gigi\" \/>\n<meta property=\"og:description\" content=\"Bayangkan sebutir telur ayam biasa menyimpan senjata biologis yang mampu melindungi sel imun manusia dari serangan racun bakteri paling bandel di dunia. Itulah inti temuan mengejutkan dari penelitian yang dipimpin Prof. drg. Heni Susilowati, M.Kes., Ph.D., PBO., Guru Besar Departemen Biologi Oral Fakultas Kedokteran Gigi Universitas Gadjah Mada \u2014 sebuah studi yang membuka jalan baru [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/fkg.ugm.ac.id\/en\/telur-ayam-melawan-bakteri-mematikan-harapan-baru-dari-penelitian-fkg-ugm\/\" \/>\n<meta property=\"og:site_name\" content=\"Fakultas Kedokteran Gigi\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/p\/Fakultas-Kedokteran-Gigi-UGM-100075927681679\/\" \/>\n<meta property=\"article:published_time\" content=\"2026-07-16T07:31:41+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2026-07-16T07:31:43+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/fkg.ugm.ac.id\/wp-content\/uploads\/sites\/30\/2026\/07\/pexels-jahratreza-35377946-scaled.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"2560\" \/>\n\t<meta property=\"og:image:height\" content=\"1707\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"achmadzamzamaghasy\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"achmadzamzamaghasy\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"4 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/fkg.ugm.ac.id\\\/telur-ayam-melawan-bakteri-mematikan-harapan-baru-dari-penelitian-fkg-ugm\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/fkg.ugm.ac.id\\\/telur-ayam-melawan-bakteri-mematikan-harapan-baru-dari-penelitian-fkg-ugm\\\/\"},\"author\":{\"name\":\"achmadzamzamaghasy\",\"@id\":\"https:\\\/\\\/fkg.ugm.ac.id\\\/id\\\/#\\\/schema\\\/person\\\/5e527b2939dff262f173d10f32d2638a\"},\"headline\":\"Telur Ayam Melawan Bakteri Mematikan: Harapan Baru dari Penelitian FKG UGM\",\"datePublished\":\"2026-07-16T07:31:41+00:00\",\"dateModified\":\"2026-07-16T07:31:43+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/fkg.ugm.ac.id\\\/telur-ayam-melawan-bakteri-mematikan-harapan-baru-dari-penelitian-fkg-ugm\\\/\"},\"wordCount\":714,\"publisher\":{\"@id\":\"https:\\\/\\\/fkg.ugm.ac.id\\\/id\\\/#organization\"},\"image\":{\"@id\":\"https:\\\/\\\/fkg.ugm.ac.id\\\/telur-ayam-melawan-bakteri-mematikan-harapan-baru-dari-penelitian-fkg-ugm\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/fkg.ugm.ac.id\\\/wp-content\\\/uploads\\\/sites\\\/30\\\/2026\\\/07\\\/pexels-jahratreza-35377946-scaled.jpg\",\"keywords\":[\"SDG 10: Mengurangi Ketidaksetaraan\",\"SDG 17: Kemitraan untuk mencapai Tujuan\",\"SDG 3: Kesehatan dan Kesejahteraan yang Baik\",\"SDG 4: Pendidikan Berkualitas\",\"SDG 9: Industri, Inovasi dan Infrastruktur\"],\"articleSection\":[\"Artikel\",\"Berita Terbaru\"],\"inLanguage\":\"en-US\"},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/fkg.ugm.ac.id\\\/telur-ayam-melawan-bakteri-mematikan-harapan-baru-dari-penelitian-fkg-ugm\\\/\",\"url\":\"https:\\\/\\\/fkg.ugm.ac.id\\\/telur-ayam-melawan-bakteri-mematikan-harapan-baru-dari-penelitian-fkg-ugm\\\/\",\"name\":\"Telur Ayam Melawan Bakteri Mematikan: Harapan Baru dari Penelitian FKG UGM - 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