نتایج جستجو برای: ag elisa

تعداد نتایج: 88564  

Journal: :The Journal of Experimental Medicine 1983
P Marrack R Shimonkevitz C Hannum K Haskins J Kappler

In order to prove that a monoclonal antibody, KJ1-26.1, reacted with the idiotypic portion of the receptor for antigen plus major histocompatibility complex product (Ag/MHC) on the T cell hybridoma D0-11.10, 397 independent T cell hybridomas prepared from BALB/c T cells primed with ovalbumin were screened by ELISA for reactivity with the antibody. Of these T cell hybridomas one, 7D0-286, and a ...

2012
Kai Samelin Henrich Christopher Pöhls Arne Bilzhause Joachim Posegga Hermann de Meer

In this paper, we present a provably secure redactable signature scheme allowing to independently redact structure and content. We identify the problems when structure is not separated from content, resulting in an attack on the scheme proposed at VLDB ’08 by Kundu and Bertino. The attack allows for changing the semantic meaning of a given tree. We introduce a rigid security model, including co...

Journal: :Iranian journal of allergy, asthma, and immunology 2011
Mehri Ghafourian Boroujerdnia Mohammad Ebrahim Azemi Ali Asghar Hemmati Amin Taghian Abbas Azadmehr

Several studies have demonstrated that herbal extracts possess various biological effects including anti-inflammatory and anti-cancer activities. The present study was aimed to investigate the protective effects of the Astragalus gypsicolus (AG) hydroalcoholic extract in early allergic sensitized mice induced by ovalbumin. Phytochemical assay was used to recognize the main active constituents i...

Journal: :Journal of immunology 2000
C A Black L C Rohan M Cost S C Watkins R Draviam S Alber R P Edwards

These data demonstrate that tolerance can be induced by vaginal Ag exposure. In these experiments, mice were given vaginal agarose gel suppositories containing either 5 mg OVA or saline for 6 h. Mice were given suppositories either during the estrous (estrogen dominant) or diestrous (progesterone dominant) stage of the estrous cycle. Mice were restrained during the inoculation period to prevent...

Ahmad Izadpanah Bahador Sarkari, Hassan Abidi Sakineh Kazemian Seyed Mahmoud Sadjjadi,

Background: Hydatidosis is one of the cosmopolitan parasitic zoonoses caused by the larval stage of Echinococcus granulosus. Diagnosis of hydatidosis is still an unresolved problem. Serological tests using crude antigens for diagnosis of E. granulosus are sensi-tive, however their specificity are not satisfactory. Therefore, WHO recommended spe-cific serological methods using specific antigens,...

2011
Mehri Ghafourian Boroujerdnia Mohammad Ebrahim Azemi Ali Asghar Hemmati Amin Taghian Abbas Azadmehr M. Ghafourian

Several studies have demonstrated that herbal extracts possess various biological effects including anti-inflammatory and anti-cancer activities. The present study was aimed to investigate the protective effects of the Astragalus gypsicolus (AG) ethanolic extract in early allergic sensitized mice induced by ovalbumin. Phytochemical assay was used to recognize the main active constituents in the...

2011
Sung-Hee Kim Sang-Ho Cha Bischoff Karyn Sung-Won Park Seong-Wan Son Hwan-Goo Kang

Through the present study, we produced a monoclonal antibody against aflatoxin B1 (AFB1) using AFB1- carboxymethoxylamine BSA conjugates. One clone showing high binding ability was selected and it was applied to develop a direct competitive ELISA system. The epitope densities of AFB1-CMO against BSA and KLH were about 1 : 6 and 1 : 545, respectively. The monoclonal antibody (mAb) from cloned hy...

Ahmad Farajzadeh Ali Mostafaie Eskandar Kamali-Sarvestani, Iraj Nikokar, Kris Huygen Manouchehr Makvandi Mehdi Mirsaeidi Mohammad Javad Kajbaf

Background: Tuberculosis (TB) remains an important health problem throughout the world. Despite its significance in public health, mechanisms of protective immunity against Mycobacyerium Tuberculosis in humans have not yet been understood. Objective: To evaluate cell mediated immune response against purified Ag 85, PPD and Phytohemagglutinin (PHA) in patients with tuberculosis and healthy tuber...

Journal: :Iranian journal of immunology : IJI 2007
Seyed Mahmoud Sadjjadi Hassan Abidi Bahador Sarkari Ahmad Izadpanah Sakineh Kazemian

BACKGROUND Hydatidosis is one of the cosmopolitan parasitic zoonoses caused by the larval stage of Echinococcus granulosus. Diagnosis of hydatidosis is still an unresolved problem. Serological tests using crude antigens for diagnosis of E. granulosus are sensitive, however their specificity are not satisfactory. Therefore, WHO recommended specific serological methods using specific antigens, sp...

Journal: :Annals of the Rheumatic Diseases 2022

Background Studies have confirmed that JAKs-STATs signaling pathway is involved in the pathogenesis of a variety autoinflammatory diseases, and has been transformed into treatment rheumatic diseases. So far, research mechanism gout very limited. Objectives To determine whether gouty inflammation. Methods 1.The transcription protein phosphorylation levels 4 JAKs (JAK1, JAK2, JAK3 Tyk2) 7 STATs (...

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