Sök:

Sökresultat:

59 Uppsatser om Antibodies - Sida 3 av 4

IgG mediated suppression of immunological memory

Apart from recognizing and neutralizing threats, Antibodies also have the ability to regulate immune responses against their specific antigen. IgG administered together with erythrocytes is well known to induce >99% suppression. This has been used to prevent haemolytic disease in new-borns since the 1960's, but the mechanism behind it is still not completely understood. The effect on the primary response is well established, but its influence on induction of immunological memory is still heavily debated. In this study adoptive cell transfer of splenocytes to irradiated mice was used to survey the effect IgG has on induction of immunological memory without disturbance from the primary IgG response.

Evaluation of a new microarray method for genotyping of HLA-DQ2 and HLA-DQ8 for investigation of celiac disease

Celiac disease (CD) is an autoimmune disease, induced by an immune mediated reaction in the small intestine after ingestion of gluten and related prolamines. There is a strong genetic linkage and most important are the genes that encodes for HLA-DQ2 and HLA-DQ8. The European Society for Paediatric Gastroenterology, Hepatology and Nutrition (ESPGHAN) has developed new guidelines for investigation of CD in children and adolescents, which include genotyping for HLA-DQ2 and HLA-DQ8. Therefore, the clinical microbiological laboratory in Västmanland wants to introduce a method for analysis of these genes. Microarray is a newly developed method for determination of the alleles HLA-DQA1 and HLA-DQB1 that encodes for the ?- and ?-subunits of the HLA-molecules.

Känsla av sammanhang i förhållande till ålder, egenupplevd sjukdomsbild och hälsotillstånd hos en grupp individer med reumatiska sjukdomar

Celiac disease (CD) is an autoimmune disease, induced by an immune mediated reaction in the small intestine after ingestion of gluten and related prolamines. There is a strong genetic linkage and most important are the genes that encodes for HLA-DQ2 and HLA-DQ8. The European Society for Paediatric Gastroenterology, Hepatology and Nutrition (ESPGHAN) has developed new guidelines for investigation of CD in children and adolescents, which include genotyping for HLA-DQ2 and HLA-DQ8. Therefore, the clinical microbiological laboratory in Västmanland wants to introduce a method for analysis of these genes. Microarray is a newly developed method for determination of the alleles HLA-DQA1 and HLA-DQB1 that encodes for the ?- and ?-subunits of the HLA-molecules.

Tollarsjuka hos hund : en retrospektiv studie med journalsammanställning av 18 hundar

?Tollarsjuka? is a disease with a suspected immunopathological background seen in Nova Scotia duck tolling retrievers. Pyrexia, lameness, stiffness and joint- or musclepain are typical clinical signs. The purpose of this study is to describe case histories from dogs with a possible evidence of ?tollarsjuka?. 18 private dogs were included in this report. Generalised stiffness, lameness and fatigue were the most frequent manifestations of the disease.

An image-based method for identification of new inhibitors of Signal Transducer Activator of Transcription 1

Background: Chemotherapy and radiation resistance are major causes of failure in cancer treatment. The response to treatment in cancer cells depends on several mechanisms and pathways such as Janus kinases-signal transducers and activators of transcription JAK/STAT pathway. STAT1 was the first described transcription factor in the STAT family. STAT1 is activated by stimulation of signaling proteins such as type II interferon (IFN- ?) and the activated STAT1 translocates from cytoplasm to nucleus.

Prevalens av Sarcoptes scabiei hos thailändska gatuhundar :

The aim of present study was to evaluate the prevalences of Sarcoptes scabiei in Thai stray dogs. The study was performed in Pattaya, Thailand, and included 62 stray dogs, all cross-breeds. Degree and type of skin lesions, and presence of macroscopic ectoparasites were recorded for each individual. Blood samples were collected to determine the seroprevalences of IgG-Antibodies against S. scabiei with ELISA.

Optimization of Lentivirus Production for Cancer Therapy

Vectors based on lentivirus backbones have revolutionized our ability to transfer genesinto many cell types. Lentiviral vectors integrate into the chromatin of target cells and do not transfer any viral genes causing vector replication. Both of these features arecommonly used in gene therapy and have been used clinically in individuals sufferingfrom cancer, infections and genetic diseases. It has been discovered that T-cells can be genetically modified to be used as effective weapons against cancer: therefore virus mustbe produced to deliver the gene of interest into the T-cells. In this project, lentiviralvectors have been produced to transfer the gene coding for a chimeric antigen receptor(CAR) which is directed to CD19 on B-cells.

Epidemiology of viruses in the livestock in Tanzania : a minor field study with focus on Peste des Petits Ruminants virus

Peste des Petits Ruminants (PPR) is a disease of major socioeconomic impact. It is an acute and highly contagious viral disease of small ruminants caused by the agent Peste des Petits Ruminants Virus (PPRV), a Morbillivirus closely related to Rinderpest virus (RPV) which was declared eradicated from the world in 2011. PPR has a high morbidity and mortality rate and is characterised by high fever, nasal and ocular discharge, pneumonia, necrosis and ulceration of the mucous membranes and inflammation of the gastrointestinal tract causing severe diarrhoea. The role of wildlife in the epidemiology of the disease is still unclear. The disease is currently affecting sheep and goat in 70 countries worldwide and this year (2014) FAO has announced a program to eradicate the virus by 2030. In Tanzania, the disease was first reported in 2008 and has since then spread to different parts of the country.

Behandlingseffekt av rituximab jämfört med infliximab vid reumatoid artrit

The aim of this study was to compare the effect between the drugs rituximab and infliximab in rheumatoid arthritis (RA). RA is an autoimmune disease that affects the peripheral joints and is associated with exacerbations. Various immune reactions in the body cause inflammation of the joints which further results in cartilage and bone damage. The diagnosis is made by the classification system "The 2010 American College of Rheumatology (ACR) / European league against rheumatism (EULAR) classification criteria for rheumatoid arthritis", which is an update of the older system called "The 1987 American College of Rheumatology classification criteria for RA". Approximately 0.5-1% of the population is developing the disease, but it varies slightly between different parts of the world.

Hur effektiv och säker är rekombinant och renad plasma faktor VIII-behandling för hemofili A patienter?

Haemophilia is an inherited disease which causes increased bleeding due to defect clotting factors VIII and/or IX. There are two forms of haemophilia, A and B, which both are X-linked and due to mutations of the genes of factor VIII and factor IX respectively. This study focuses on Haemophilia A and thereby factor VIII.The drugs that are available on the Swedish market today for patients with haemophilia A include Factor VIII(FVIII), which has been purified from human plasma and recombinant factor VIII(rFVIII). The main goal of this study is to gain a better understanding of the effects of treatment of haemophilia A with either purified plasma factor VIII or recombinant factor VIII on reducing or preventing bleeding and on side effects.  The study was designed as a literature review and searches were carried out in PubMed at the Linnaeus University library.  The criteria for selection of articles were: patients with haemophilia, treatment with plasma derived and/or recombinant factor VIII as well as clinical studies.

Immunmedierad hemolytisk anemi hos hund : en retrospektiv studie

Immune-mediated haemolytic anaemia (IMHA) is an immune-mediated destruction of erythrocytes and is one of the most common haematological diseases diagnosed in dogs. The haemolysis is a type II immunoreaction and is initiated by IgG or IgM Antibodies or complements. This retrospective study includes 63 dogs suffering from primary IMHA. The study was based on information from records from the Swedish University of Agricultural Sciences, Department of Small Animal Clinical Sciences in Uppsala and from the Animal Hospital in Strömsholm. The aim of the study was to evaluate the progress of the disease, treatment and the prognostic factors in different breeds, gender and age. Following criteria were used for the dogs to be allowed in the study: the dogs were diagnosed with anaemia, the anaemia was regenerative and autoagglutination and/or spherocytes were seen in the blood. About 50 % of the dogs in the study were diagnosed with IMHA within 2-6 years of age. Wire-haired dachshund was remarkably one of the most common breeds in this study together with Cocker and Springer spaniel.

FCoV och FIP hos svenska katter ? förekomst, hantering i klinikmiljö och information till kattägare

Feline infectious peritonitis (FIP) is a disease that can affect cats and is caused by a feline coronavirus (FCoV). FCoV is spread via the feacal-oral route and many cats are carriers of the virus. Despite that, very few of the carrier cats develop FIP. The explanation of this phenomenon is that the virus has to mutate to be able to cause FIP and in the majority of the carrier cats this mutation never occurs. FIP is very hard to diagnose because the symptoms are diffuse and a completely accurate diagnosis can almost exclusively be established during a postmortem necropsy.

Brucellosis in small ruminants : a seroprevalence study in peri-urban farming around the region of Dushanbe, Tajikistan

The mountainous Central Asian and former Soviet country Tajikistan is the least advantaged country economically among the former Soviet Union states. Approximately 6.5 % of the land is arable in a country where roughly 80 % of the households typically own small numbers of sheep and goats. Management practices and animal husbandry in the villages such as uncontrolled breeding, mixing of animals on pastures favor transmission of infectious diseases. Brucellosis is a zoonotic bacterial disease caused by Brucella spp. The disease is endemic in Tajikistan. B.

Kastrering av smågris : bättre djurvälfärd med hjälp av farmaka

The castration of piglets is performed routinely all around the world. Most castrations are done without anaesthesia and analgesia, despite the fact that this procedure has been proved to induce acute pain and stress for the piglets. The procedure regarding castration of piglets is currently a hot topic of debate and an important political issue. The underlying issue is the boar taint which are highlighted in the heating of the meat after slaughter, which in turn can lead to reduced meat sales as it can be perceived as unpleasant for many consumers. The purpose of this study is to examine alternative drugs which may be selected in order to replace the practice of castration of piglets without anaesthesia, in light of improved animal welfare.

Seroprevalence of Toxoplasma gondii and Neospora spp. in equids from three municipalities in Pará, Brazil

This study presents a survey of the seroprevalence of Toxoplasma gondii and Neospora spp. in equids in three municipalities in Pará, a Brazilian state with the Amazonian rainforest and the Amazon River as dominating features. Toxoplasma gondii and Neospora spp. are two closely related parasitic protozoans not separated as different genera until 1988. Neospora spp.

<- Föregående sida 3 Nästa sida ->