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Human Antibodies

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https://read.qxmd.com/read/30594924/tomato-endo-beta-mannanase-a-candidate-of-potential-tomato-allergen-protein-detected-with-human-monoclonal-antibody-established-from-a-patient-suffered-from-japanese-cedar-pollinosis
#1
Soichiro Endo, Takahiro Yamada, Yasunori Naganawa, Toshihiro Tabuchi, Hiroshi Shinmoto
Peripheral blood lymphocytes from a patient allergic to Japanese cedar pollens were transformed by Epstein-Barr virus infection. Some transformed B-lymphoblastoid cells (BLCs) secreted IgM class antibodies to cedar pollen extracts and tomato fruit extracts. One stable human-mouse hybridoma clone Y-22-3-3 secreting IgM class monoclonal antibody to tomato fruit extracts was established by cell fusion of BLCs with mouse myeloma cells. Western blot analysis of tomato extracts showed Y-22-3-3 monoclonal antibody recognized a tomato protein with a molecular weight of 40 kDa...
December 28, 2018: Human Antibodies
https://read.qxmd.com/read/30594922/management-and-the-pregnancy-outcomes-of-patients-positive-for-anti-parietal-cell-antibody
#2
Erdem Fadiloglu, Canan Unal, Mehmet Sinan Beksac
BACKGROUND: Autoimmunity is related to poor obstetric outcomes in previous studies. OBJECTIVE: To evaluate the management and the pregnancy outcomes of patients positive for anti-parietal cell antibody (APCA). METHODS: We retrospectively evaluated obstetric, neonatal outcomes and Beksac Obstetrics Index (BOI) of pregnancies with APCA positivity. Coexisting Methylentetrahydrofolate reductase (MTHFR) polymorphisms, other autoimmune antibody positivities, or thrombophilias were also evaluated in terms of obstetric outcomes...
December 21, 2018: Human Antibodies
https://read.qxmd.com/read/30594921/safety-and-tolerability-of-mice-to-repeated-subcutaneous-injections-of-a-peptide-mix-as-a-potential-vaccine-against-hcv-infection
#3
Reham M Dawood, Ghada M Salum, Tawfeek H Abdelhafez, Reem El Shenawy, Noha El-Sayed Ibrahim, Mostafa K El Awady
BACKGROUND AND AIMS: In this study the safety and tolerability of new candidate HCV vaccine named Cenv6 were screened in mice. Cenv6 peptide is composed of 6 synthetic HCV peptides (3 structural and 3 nonstructural peptides). METHODS: Forty eight mice were enrolled in this study, 12 controls and 36 mice (the thirty-six mice were categorized into 3 groups according to administered doses (3 monthly doses of 800 ng, 1600 ng, and 16 μg/25 gm mouse body weight (bw)))...
December 21, 2018: Human Antibodies
https://read.qxmd.com/read/30594920/investigation-of-lpa-sequence-variants-rs6415084-rs3798220-with-conventional-coronary-artery-disease-in-iranian-cad-patients
#4
Borzu Rouhani, Sayyed Mohammad Hossein Ghaderian, Zivar Salehi
BACKGROUND: Conventional coronary artery disease (CAD) is the leading cause of morbidity and mortality in the general population. In recent years, multiple CAD promising risk factors have been reported and used for risk stratification. Lipoprotein(a) [LPA] concentration in plasma was shown associated with CAD risk and LPA genetic variants in different ethnic groups remains less clear. METHODS: We obtained data from 100 affected patients with established CAD and 100 healthy controls...
December 21, 2018: Human Antibodies
https://read.qxmd.com/read/30594923/altered-methylation-and-expression-patterns-of-genes-regulating-placental-nitric-oxide-pathway-in-patients-with-severe-preeclampsia
#5
Faezeh Azizi, Mir Davood Omrani, Vahid Amiri, Reza Mirfakhraie, Fatemeh Dodangeh, Sedigheh Asadi Shahmirzadi, Soraya Saleh Gargari
Pre-eclampsia is a common pregnancy disorder syndrome whose molecular mechanism is not clear. Nitric oxide (NO) is a key regulator of placentation. Reduction of NO has previously been associated with endothelial dysfunction in pre-eclamptic women. Therefore, we measured expression and methylation of some placental genes that were involved in NO pathway like named ARG II, PRMT1 and DDAH2 in pre-eclampsia and normal pregnancies in order to determine whether impairment of expression of these genes in the pre-eclamptic placenta could contribute to development of disease...
December 13, 2018: Human Antibodies
https://read.qxmd.com/read/30282350/production-and-characterization-of-monoclonal-antibodies-against-recombinant-extracellular-domain-of-cd99
#6
Krishna Priya Thangaretnam, Oviya Revathi Paramasivam, Priya Ramanathan, Gopal Gopisetty, Thangarajan Rajkumar
BACKGROUND AND OBJECTIVE: CD99/MIC2 gene product is a heavily glycosylated transmembrane protein which plays a major role in homotypic cell adhesion, apoptosis of double positive T cells and vesicular protein trafficking. It is over expressed in various cancers and has been considered as an ideal therapeutic target. The present study focused at developing monoclonal antibodies against the extracellular domain (ECD) of CD99 using hybridoma technology. MATERIALS AND METHODS: In order to generate monoclonal antibodies, the recombinant ECD of CD99 was used for immunizing the mice...
2019: Human Antibodies
https://read.qxmd.com/read/30103310/antibodies-prevalence-against-haemophilus-influenzae-type-b-in-jeddah-population-saudi-arabia-iii-antibodies-avidity
#7
Adi Essam Zarei, Elrashdy M Redwan
Our previous results showed higher level of anti-Hib IgG (2.41 μg/ml) average geometric mean concentration (GMC) regardless of age and gender, followed by levels of IgM (0.91 μg/ml) and IgA (0.34 μg/ml), reflecting the prevalence of immunity against Hib. Current study was evaluated the avidity profile for these high anti-Hib concentration. The IgM avidity analysis did not revealed any significant results between male and female values. While, the average of IgA avidity in male samples were significantly (P< 0...
2019: Human Antibodies
https://read.qxmd.com/read/30103308/antibodies-prevalence-against-haemophilus-influenzae-type-b-in-jeddah-population-saudi-arabia-ii-antibodies-subclasses
#8
Adi Essam Zarei, Elrashdy M Redwan
Our previous reported that Jeddah, Saudi Arabia population have a comparable and protective herd immunity represented by IgG, IgA and IgM against Haemophilus influenzae type b (Hib), by using indirect ELISA test was used to evaluate Haemophilus influenzae type b (Hib) anti-polyribosyl-ribitol phosphate (PRP) total antibodies (IgM, IgG, IgA) in 1,003 sera samples. Current report was evaluated the IgG and IgA subclasses responsible about this protection using same methodology. IgG, IgA, and their subclasses are responsible about this circulating protection...
2019: Human Antibodies
https://read.qxmd.com/read/30412483/analysis-of-stat1-stat2-and-stat3-mrna-expression-levels-in-the-blood-of-patients-with-multiple-sclerosis
#9
Saba Manoochehrabadi, Shahram Arsang-Jang, Mehrdokht Mazdeh, Hidetoshi Inoko, Arezou Sayad, Mohammad Taheri
BACKGROUND: Multiple sclerosis (MS) is the most common chronic, inflammatory, autoimmune disease of the central nervous system (CNS) maintained by the secretion of a large number of cytokines [1]. The signal transducer and activator of transcription (STAT) family has an essential role in transmitting many of the cytokine-mediated signals and failure in the signaling process contributes to the etiopathogenesis of MS. METHODS: This study aimed to assess STAT1, STAT2 and STAT3 gene expression in the blood of 50 relapsing-remitting MS (RR-MS) patients and 50 healthy controls by TaqMan Quantitative Real-Time PCR...
November 2, 2018: Human Antibodies
https://read.qxmd.com/read/30372672/immunogenicity-comparison-of-lactoferrin-purified-from-saudi-arabia-camel-clans-milk
#10
Hussein A Almehdar, Nawal Abd El-Baky, Abdulqader A Alhaider, Elrashdy M Redwan
Secretory lactoferrins play a crucial rolls at mucosal surfaces as not only antimicrobial molecules in primate as well as human, but as physiological protein. Its multiple functions extended to be one of immunogen could elicited autoimmune disorders. Purified camel lactoferrin (cLfs) from different Saudi camel clans were shown to be a potent immunogen when injected into rabbit. Four rabbit were subcutaneously immunized with different camel clans lactoferrin/Freunds adjuvant. Anti-cLfs potency titration was reach 1:32000 and did not significantly differences between different cLfs...
October 19, 2018: Human Antibodies
https://read.qxmd.com/read/30223394/the-anti-penicillin-antibodies-levels-in-sensitive-and-insensitive-people-to-intradermal-skin-test
#11
Mohammad Khosravi, Fatemeh Boroun, Mohammad Nemati
BACKGROUND: The hypersensitivity reaction to penicillin is a public health problem. Immunological responses to penicillin and other beta-lactam antibiotics can be classified into immediate and non-immediate responses. The immediate hypersensitivity is mediated by IgE; however, the non-immediate sensitivity is facilitated by other isotypes of antibody or T lymphocytes. OBJECTIVE: This research detected the non-IgE antibody value against penicillin in allergic and normal people...
September 7, 2018: Human Antibodies
https://read.qxmd.com/read/30223393/antibody-drug-conjugates-progress-pitfalls-and-promises
#12
Anubhab Mukherjee, Ariana K Waters, Ivan Babic, Elmar Nurmemmedov, Mark C Glassy, Santosh Kesari, Venkata Mahidhar Yenugonda
Antibody drug conjugates (ADC's) represent a promising and an efficient strategy for targeted cancer therapy. Comprised of a monoclonal antibody, a cytotoxic drug, and a linker, ADC's offer tumor selectively, reduced toxicity, and improved stability in systemic circulation. Recent approvals of two ADC's have led to a resurgence in ADC research, with more than 60 ADC's under various stages of clinical development. The therapeutic success of future ADCs is dependent on adherence to key requirements of their design and careful selection of the target antigen on cancer cells...
September 7, 2018: Human Antibodies
https://read.qxmd.com/read/30103312/nomenclature-of-humanized-mabs-early-concepts-current-challenges-and-future-perspectives
#13
Patrick Mayrhofer, Renate Kunert
Nomenclature of monoclonal antibodies traditionally followed a strict scheme indicating target and species information. Because of the rapid advances in this field, emphasized by approval of four humanized and six human antibodies in 2017, the International Nonproprietary Name of new antibodies was updated profoundly by removing the species substem completely. In this review we give an overview about what developments led to the preference of the scientific community towards human-like antibodies. We summarize the major updates in naming schemes that tried to classify antibodies according to their humanization technique or to the final primary sequence and how this led to the erroneous perception to indicate expected immunogenicity...
July 23, 2018: Human Antibodies
https://read.qxmd.com/read/30103311/detection-of-toxoplasma-gondii-b1-gene-in-placenta-does-not-prove-congenital-toxoplasmosis
#14
Khosro Sardarian, Amir Hossein Maghsood, Marzieh Farimani, Mehrdad Hajiloii, Masoud Saidijam, Manizheh Farahpour, Hanie Mahaki, Alireza Zamani
BACKGROUND: Congenital toxoplasmosis is an important disease that occurs when pregnant women become infected with Toxoplasma gondii during pregnancy. The aim of this study was to investigate the presence of T. gondii B1 gene in placental tissues of IgM seronegative women. MATERIALS AND METHODS: In this research, chronic toxoplasmosis was identified through examination of blood samples in a group of pregnant women by anti-Toxoplasma IgG and IgM ELISA and nested-PCR techniques...
July 14, 2018: Human Antibodies
https://read.qxmd.com/read/30103309/serum-cytokine-profile-in-schizophrenic-patients
#15
Mohammad Mahdi Eftekharian, Mir Davood Omrani, Shahram Arsang-Jang, Mohammad Taheri, Soudeh Ghafouri-Fard
Schizophrenia is a chronic severe mental disorder in which immunologic imbalances have been reported. Some researchers have demonstrated dysregulation of cytokine levels in this mental disorder. Considering the possible role of cytokines in the pathogenesis or clinical course of schizophrenia, we assessed serum levels of IL-4, IL-10, IL-17A and IFN-γ in a homogenous sample of Iranian patients who were in remission under treatment with Clozapine compared with sex and age matched controls. There was a statistically significant difference in IL-4 levels between patients and healthy subjects (P= 0...
July 14, 2018: Human Antibodies
https://read.qxmd.com/read/29439321/knowledge-attitude-and-practice-of-hiv-aids-among-workers-at-china-first-highway-engineering-company-at-bilibila-sokota-road-project-sokota-ethiopia
#16
Mebratu Tarekegne, Addis Adera, Kalab Haile, Derara Guyo
OBJECTIVE: The aim of this study was to assess Bilbila Sokota Road Project workers' knowledge, attitude and practice on HIV/AIDS in China first highway engineering Company. METHODS: A cross sectional Survey was conducted among workers in China first high way engineering Company at Bilbila Sokota road project, Sokota, Ethiopia. Fifty-five workers were taken from project site/company. Data was collected using a validated self-administrated standardized questionnaire on Knowledge, attitude and practice including behavioral change regarding HIV/AIDS...
February 5, 2018: Human Antibodies
https://read.qxmd.com/read/29439320/of-patents-and-patent-disputes-the-tnf%C3%AE-patent-files-part-2-enbrel-remicade-cimzia-and-simponi
#17
Ulrich Storz
This article is the second part of a trilogy that discusses IP issues related to anti-Tumor Necrosis factor α (TNFα) biologics. TNFα is the world's most valuable target, with accumulated sales of TNFα biologics of 34 bn USD in 2014. While in the first part of this trilogy, Humira was discussed, this second parts discusses the patent strategies of Enbrel, Remicade, Cimzia and Simponi.
February 5, 2018: Human Antibodies
https://read.qxmd.com/read/29171990/development-of-nanoparticle-adjuvants-to-potentiate-the-immune-response-against-diphtheria-toxoid
#18
Fatimah M Alshanqiti, Saad Berki Al-Masaudi, Ahmed M Al-Hejin, Nawal Abd El-Baky, Elrashdy M Redwan
BACKGROUND: Over the years, diphtheria was known as contagious fatal infection caused by Corynebacterium diphtheria that affects upper respiratory system. The spread of diphtheria epidemic disease is best prevented by vaccination with diphtheria toxoid vaccine. Aluminum adjuvants were reported to stimulate the immune responses to killed and subunit vaccines. OBJECTIVE: Our study aimed to minimize adjuvant particles size, to gain insight of resulting immunity titer and impact on immune response antibody subtypes...
February 5, 2018: Human Antibodies
https://read.qxmd.com/read/29036807/obtaining-and-characterization-of-monoclonal-antibodies-against-recombinant-extracellular-domain-of-human-epidermal-growth-factor-receptor-2
#19
Nurgul Sarina, Sailau Abeldenov, Aigerim Turgimbayeva, Assylbek Zhylkibayev, Yerlan Ramankulov, Bekbolat Khassenov, Saule Eskendirova
Human epidermal growth factor receptor 2 (HER2) is an important biomarker for detection and treatment of different types of cancers such as breast, ovarian, stomach cancer. In this study, we developed a monoclonal antibody against the extracellular domain (ECD) of HER2 biomarker of breast cancer. For this purpose, the ECD-HER2 gene was amplified and cloned into an expression vector. Gene was generated in Escherichia coli BL21 (DE3) strain for expression of recombinant protein. The expressed protein was separated by SDS-PAGE and detected by anti-his monoclonal antibody in immunoblotting...
February 5, 2018: Human Antibodies
https://read.qxmd.com/read/29036806/pritumumab-the-first-therapeutic-antibody-for-glioma-patients
#20
REVIEW
Ivan Babic, Elmar Nurmemmedov, Venkata M Yenugonda, Tiffany Juarez, Natsuko Nomura, Sandeep C Pingle, Mark C Glassy, Santosh Kesari
Immunotherapy is now at the forefront of cancer therapeutic development. Gliomas are a particularly aggressive form of brain cancer for which immunotherapy may hold promise. Pritumumab (also known in the literature as CLNH11, CLN-IgG, and ACA-11) was the first monoclonal antibody tested in cancer patients. Pritumumab is a natural human monoclonal antibody developed from a B lymphocyte isolated from a regional draining lymph node of a patient with cervical carcinoma. The antibody binds ecto-domain vimentin on the surface of cancer cells...
February 5, 2018: Human Antibodies
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