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Human Antibodies

Zahra Akbari, Mohammad Taheri, Abdorreza Jafari, Arezou Sayad
INTRODUCTION: Multiple sclerosis (MS) is a heterogeneous disease with an unknown etiology. Both genetic and environmental factors lead to MS disease. Recent studies have revealed the inhibitory role of T regulatory cells in the MS disease. Forkhead box P3 (FOXP3) gene is a transcript of the CD4+CD25+FOXP3 and T regulatory cells that is recently introduced as a factor in determining the lineage of immune cells. Based on these assumptions we investigate the expression of this gene in the peripheral blood of fifty MS patients in comparison to fifty controls...
February 27, 2018: Human Antibodies
Ali Mesgari Shadi, Mohammad-Hossein Sarrafzadeh, Jaleh Barar, Yadollah Omidi
BACKGROUND: Cost-effective production of antibody (Ab) fragments is of great interests of many pharmaceutical industries, in large part due to their high usages in research, diagnosis and therapy. Thus, the production of Abs necessitates accomplishment of the optimal strategies. OBJECTIVE: In this study, based on the induction start time using arabinose, we implemented a novel strategy for the cost-effective production of single chain variable fragment (scFv) in Escherichia coli (E...
January 20, 2018: Human Antibodies
Tannaz Zamaniara, Robabeh Taheripanah, Sayyed Mohammad Hossein Ghaderian, Elnaz Zamaniara, Sara Sadat Afjeh Aghabozorgi
BACKGROUND: One of the major problems in IVF is the poor response of the ovary to gonadotropins. ESRI and FSHR are two effective genes on controlled ovarian hyperstimulation (COH). OBJECTIVES: Evaluating the correlation of alleles and genotypes of polymorphism (-29G/A) located in the FSH receptor gene and polymorphism (XbaI G/A) located in Estrogen receptor genes with the ovary's response would help to anticipate the results of ovulation in IVF cycles. METHODS: In the present study, two hundred (200) blood samples were taken from infertile women aged 20 to 39 who were under IVF therapy...
January 19, 2018: Human Antibodies
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
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
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
Shridhar C Ghagane, Sridevi I Puranik, Siew Hua Gan, Murigendra B Hiremath, R B Nerli, M V Ravishankar
With the flourishing of innovation in drug discovery into a new era of personalized therapy, the use of monoclonal antibodies (mAbs) in the treatment of various ailments lies at the forefront. Major improvements in genetic sequencing and biomedical techniques as well as research into mAbs emphasize on determining new targets for advanced therapy while maximizing efficacy for clinical application. However, a balance has to be achieved concerning developing a target with low toxicity combined with high specificity and versatility, to allow a specific antibody to facilitate several biotic effects, ranging from neutralization of virus mechanisms to modulation of immune response and maintaining low global economic cost...
October 13, 2017: Human Antibodies
Tawfeek H Abelhafez, Ashraf A Tabll, Mostafa K El-Awady, Mohammad M Mashaly, Reem El Shenawy, Yasmine S El-Abd, Maysa H Shaker, Camelia A Abdel Malak
AIM: Assessment of neutralizing activity of the human monoclonal antibodies against HCV and also study its safety in experimental small animals (Swiss mice). MATERIALS AND METHODS: Assessment of neutralizing activity of the human monoclonal antibodies against HCV envelope regions (E1, E2) by two methods (by HCV cc infectious system and by using positive HCV positive serum as source of HCV particles (neutralizing assay 2). Dot ELISA were used to study the activity of the generated antibodies...
September 29, 2017: Human Antibodies
Maryam Kaviani, Sayyed Mohammad Hossein Ghaderian, Soheila Arefi, Mehrdad Hashemi, Sarah Sadat Aghabozorg Afjeh
BACKGROUND: Gonadotropin therapy was used to stimulate the ovary in infertile women who underwent assisted reproduction treatment (ART). Numerous studies indicated that infertile women showed different responses to gonadotropin therapy. Follicle stimulating hormone receptor (FSHR) and Oestrogen receptor (ER) polymorphisms have been reported to involve induction of folliculogenesis and ovarian response to treatment. METHODS: In the present study, two polymorphisms, namely FSHR rs6165 and ESR2 rs4986938, were investigated in 198 Iranian infertile women aged less than 39 years who underwent ART...
September 29, 2017: Human Antibodies
Mehrdokht Mazdeh, Mahnoosh Rahimi, Mohammad Mahdi Eftekharian, Mir Davood Omrani, Arezou Sayad, Mohammad Taheri, Soudeh Ghafouri-Fard
BACKGROUND: Multiple sclerosis (MS) is a complex immune-related disorder of the central nervous system (CNS) in which dysregulation of different classes of T cells are involved. Variants in Ecotropic Viral Integration Site 5 (EVI5) gene has been shown to be significantly associated with MS in different populations. OBJECTIVES: However, there is no data regarding relative expression of this gene in peripheral blood of MS patients compared with healthy controls. METHODS: In the present study we assessed expression of EVI5 in 50 Iranian MS patients compared with healthy subjects by means of quantitative real time RT-PCR...
September 8, 2017: Human Antibodies
Sarina Nurgul, Abeldenov Sailau, Turgimbayeva Aigerim, Zhylkibayev Assylbek, Ramankulov Erlan, Khassenov Bekbolat, Eskendirova Saule
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...
September 8, 2017: Human Antibodies
Masome Mohagheghi, Mohammad Yousef Alikhani, Mohammad Taheri, Mohammad Mahdi Eftekharian
Schizophrenia is a destructive clinical syndrome with diverse mental pathologies. Different mechanisms and factors have a role in this disease. A possible mechanism is that teratogenic viruses cause brain changes and results in the disease appearance. The schizophrenia patients were diagnosed by psychologists and with the consent of patients, five CC of venous blood was drawn. Than Serum samples were isolated and immunoglobulin M (IgM) and immunoglobulin G (IgG) antibodies against herpes simplex virus-1 (HSV-1), herpes simplex virus-2 (HSV-2) and cytomegalovirus (CMV) were quantified by ELISA sandwich kit...
September 8, 2017: Human Antibodies
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...
September 1, 2017: Human Antibodies
Philipp Kuhn, Stefanie Thiem, Michael Steinert, Duncan Purvis, Veronika Lugmayr, Ulrich Treutlein, Lutz Plobner, Robert-Matthias Leiser, Michael Hust, Stefan Dübel
Legionella are Gram-negative bacteria that are ubiquitously present in natural and man-made water reservoirs. When humans inhale aerosolized water contaminated with Legionella, alveolar macrophages can be infected, which may lead to a life-threatening pneumonia called Legionnaires' disease. Due to the universal distribution of Legionella in water and their potential threat to human health, the Legionella concentration in water for human use must be strictly monitored, which is difficult since the standard detection still relies on lengthy cultivation and analysis of bacterial morphology...
July 19, 2017: Human Antibodies
Philip J G M Voets
Despite its relevance to many biomedical fields, relatively little effort has been put into a comprehensible quantitative description of the effect of reaction temperature on the interaction between antigens and their antibodies. In this article, a novel, straightforward mathematical model is proposed, which aims to describe the effect of temperature on antigen-antibody kinetics. The model proposed in this article could hopefully provide clinicians, immunologists, and biochemists with an improved insight into the kinetic effect of fluctuations in reaction temperature on antigen-antibody-dependent processes and therefore into the kinetics of the humoral adaptive immune response...
July 19, 2017: Human Antibodies
Masome Afiati Salim, Mohammad Mahdi Eftekharian, Mohammad Taheri, Mohammad Yousef Alikhani
BACKGROUND: Multiple sclerosis (MS) is a chronic autoimmune disease that disables central nervous system (CNS) system. Cytomegalovirus (CMV) probably has an important role in the MS pathology. The infection with helicobacter pylori also is recognized as a protective agent against MS in female. METHODS: Serum samples were isolated and frozen at -70∘C. The earlier mentioned anti-virus antibodies and antibacterial antibodies were quantified by Elisa kit. RESULTS: The results showed that IgG antibody average value against cytomegalovirus in the blood of multiple sclerosis patients not only decreased but also was significant statistically (p< 0...
July 19, 2017: Human Antibodies
Mohammad Taheri, Arezou Sayad
BACKGROUND: Interleukin 7 receptor alpha (IL7RA) gene that encodes a subunit of IL7 receptor has been reported to be associated with different immunologic disease. OBJECTIVE: Multiple Sclerosis (MS) patients have shown an aberrant blood level of soluble form of IL7R protein. The genomic changes in the sequence of this gene have been suggested to be correlated with its altered splicing specially, variants in the exon 6 of the gene have been reported to influence the maintenance or skipping of this exon and control the soluble or insoluble form of the final product...
May 12, 2017: Human Antibodies
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April 24, 2017: Human Antibodies
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April 24, 2017: Human Antibodies
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January 17, 2017: Human Antibodies
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