• Study Resource
  • Explore Categories
    • Arts & Humanities
    • Business
    • Engineering & Technology
    • Foreign Language
    • History
    • Math
    • Science
    • Social Science

    Top subcategories

    • Advanced Math
    • Algebra
    • Basic Math
    • Calculus
    • Geometry
    • Linear Algebra
    • Pre-Algebra
    • Pre-Calculus
    • Statistics And Probability
    • Trigonometry
    • other →

    Top subcategories

    • Astronomy
    • Astrophysics
    • Biology
    • Chemistry
    • Earth Science
    • Environmental Science
    • Health Science
    • Physics
    • other →

    Top subcategories

    • Anthropology
    • Law
    • Political Science
    • Psychology
    • Sociology
    • other →

    Top subcategories

    • Accounting
    • Economics
    • Finance
    • Management
    • other →

    Top subcategories

    • Aerospace Engineering
    • Bioengineering
    • Chemical Engineering
    • Civil Engineering
    • Computer Science
    • Electrical Engineering
    • Industrial Engineering
    • Mechanical Engineering
    • Web Design
    • other →

    Top subcategories

    • Architecture
    • Communications
    • English
    • Gender Studies
    • Music
    • Performing Arts
    • Philosophy
    • Religious Studies
    • Writing
    • other →

    Top subcategories

    • Ancient History
    • European History
    • US History
    • World History
    • other →

    Top subcategories

    • Croatian
    • Czech
    • Finnish
    • Greek
    • Hindi
    • Japanese
    • Korean
    • Persian
    • Swedish
    • Turkish
    • other →
 
Profile Documents Logout
Upload
d phenotype - a review
d phenotype - a review

... “High-grade” Dus : These RBCs directly agglutinate with selected high-protein potentiated incomplete anti-D reagents. “Low-grades” Dus: These RBCs have a strict requirement for antiglobulin (Cunningham et al)9. ...
GENETICS AND HEREDITY
GENETICS AND HEREDITY

... through the capillaries, resulting in oxygen not being passed on to the tissues. ...
Discussion & Naming of Complex Patterns of Inheritance
Discussion & Naming of Complex Patterns of Inheritance

... does not show it, but has the allele [Aa]  if both parents have the trait, ALL children will have the trait ...
Document
Document

... 1. [Blending Particulate; Factors = Genes] Blending inheritance should be substituted for particulate inheritance (there were no blending of shape). Characters are determined by factors (we know that they are genes. 2. [Alleles – alternative forms of genes; different alleles in F1] Each factor (gene ...
Population genetics and the modern synthesis of evolutionary theory
Population genetics and the modern synthesis of evolutionary theory

... − but sometimes have traits that are not intermediate between their parents − This is an important way in which “new” variants are produced for natural selection to act on − they are not new alleles, but rather new combinations of alleles − they may not even really be new combinations, just combinat ...
allele 2 Proteins made from allele 1 chromosome Proteins made
allele 2 Proteins made from allele 1 chromosome Proteins made

... Task: Draw a mutant shape of the protein produced by allele 1 so that it can not longer assemble with the other proteins. Which of the possible complex presented will be affected? ...
HLA imputation - BioMed Central
HLA imputation - BioMed Central

... possible threshold was set on the confidence metric, achieving an accuracy of 85% with a call rate of ...
Janeway`s Immunology
Janeway`s Immunology

... When an animal is immunized with Ig molecules derived from another animal of the same species, the immune response is confined to epitopes of the immunizing Ig that are absent or uncommon on the Ig molecules of the responder animal. Two types of determinants have been defined by this approach. First ...
Recognition of Antigens
Recognition of Antigens

... Behring and Kitasato in 1890 that chemically inactivated toxins could induce protective immunity when injected into experimental animals, and that protection could be transferred to other susceptible animals by injecting serum from their immune counterparts ...
Chapter 1
Chapter 1

... itself is a major target, since it is highly variable between individuals and exposed to the recipient’s immune system. Alloreactive cytotoxic T-cells can respond to the different HLA molecule directly or to donor antigen in an HLA molecule that match the recipient’s HLA [99,299]. Similarly, the HLA ...
Diapositiva 1
Diapositiva 1

... Is a multifactorial disease caused by gluten ingestion in genetically susceptible subjects. The damage in the celiac intestine is mediated by an immune response both adaptive and innate, causing crypts hypertrofia and villus atrophy Diagnosis: antibodies anti TTG and anti endomisium Biopsy Therapy: ...
Antigen sampling and presentation
Antigen sampling and presentation

... and then to a late endosome, in which the antigen unfolds due to the low pH. ¾ Their fusion with lysosomes creates a highly degradative environment which allows the denaturation and processing of endocytosed antigens into short antigenic peptides. ‰ The biosynthetic pathway of MHC class II molecules ...
Bio 111 Genetics Unit
Bio 111 Genetics Unit

... looked at had two alleles (dominant & recessive) This ‘all-or-nothing’ expression is known as complete dominance ...
chapter 19 autoimmunity: breakdown of self-tolerance
chapter 19 autoimmunity: breakdown of self-tolerance

... We've already examined (in Chapter 5) the pathological consequences of circulating immune complexes, which can result in damage to the vasculature in general, and to the kidney in particular. It is important to remember that the presence of circulating immune complexes is a common feature of many au ...
Immune system notes - St Paul`s School Intranet
Immune system notes - St Paul`s School Intranet

... Any foreign molecule that elicits this specific response is called an antigen. An antigen could be a molecule that makes up part of the cell wall of a bacterial cell, of perhaps a protein on the outside of a virus. What is important is that the lymphocyte can recognize it as a foreign molecule i.e. ...
No Slide Title
No Slide Title

... Killer Immunoglobulin-like receptors (KIR) are polymorphic cell surface molecules present on Natural Killer (NK) cells and a small subset of T cells (NKT cells). ...
Supplementary Material for Autozygome Sequencing Expands the
Supplementary Material for Autozygome Sequencing Expands the

... and excluded cases where the gene appeared highly variable. 2- Detect potential rescue mechanisms for each candidate LoF allele, such as alternative splice sites, nearby repeated fragments, or potential different ORF start sites. Also, each allele was examined against a full variant report listing f ...
Dd.
Dd.

... A Punnett Square is a tool like a multiplication table which scientists use to show all the possible combinations of alleles that can result from a genetic cross. The Punnett Square shows all the possible outcomes that any 1 child may inherit. Each time mom and dad have another child it is a new rol ...
European Respiratory Society Annual Congress 2013
European Respiratory Society Annual Congress 2013

... the target organ is a hallmark of autoimmunity and suggests that lymphoid neogenesis could represent a critical step in maintaining humoral autoimmunity against persisting antigens, particularly autoantigens. Thus we searched for an immune signature in the lung and peripheral blood of PAH patients. ...
y 7 - DocCheck
y 7 - DocCheck

... human autoimmune diseases. Susceptibility to a number of these diseases, including rheumatoid arthritis, multiple sclerosis and type 1 diabetes, is associated with particular alleles of HLA-DR or HLA-DQ genes. Crystal structures of HLA-DR and HLA-DQ molecules with bound peptides from candidate autoa ...
The Dawn of Genetics
The Dawn of Genetics

... • Cross unknown (TT or Tt) with a homozygous recessive (tt) • If any offspring show the recessive trait then the unknown must be heterozygous. If all offspring show the dominant trait the unknown must be homozygous. ...
Identification of novel CTL epitopes of CMV-pp65
Identification of novel CTL epitopes of CMV-pp65

... Stanford, CA), pLBPC/pp65, or pLBPC/EGFP, was packaged in the Phoenix gibbon ape leukemia virus (GALV) cell line21 (a gift from H.-P. Kiem, Fred Hutchinson Cancer Research Center; and from G. Nolan, Stanford University, Stanford, CA) using FuGENE 6 (Roche Diagnostics, Mannheim, Germany). CD40-B cell ...
Test Information Sheet
Test Information Sheet

... the mildest, latest onset form is associated with the smallest number of repeats (50-150) and the severe congenital onset form is associated with the greatest number of repeats (>1000) (Logigian et al., 2004; Bird, 2013). The trinucleotide repeat is meiotically unstable, leading to expansion of the ...
Population Genetics and Evolution LAB 8A
Population Genetics and Evolution LAB 8A

... could be viewed as changes in frequency of alleles in a population of organisms. In this scheme, if A and a are alleles for a particular gene locus and each diploid individual has two such loci, then p can be designated as the frequency of the A allele and q as the frequency of the a allele. For exa ...
Corporate Profile
Corporate Profile

... Multilocus selection (particularly with epistasis) Assortative mating Random drift in small populations ...
< 1 ... 15 16 17 18 19 20 21 22 23 ... 72 >

Human leukocyte antigen



The human leukocyte antigen (HLA) system is the locus of genes that encode for proteins on the surface of cells that are responsible for regulation of the immune system in humans. This group of genes resides on chromosome 6 (exception: the gene for β2-microglobulin which is located on chromosome 15), and encodes cell-surface antigen-presenting proteins and has many other functions. The HLA genes are the human versions of the major histocompatibility complex (MHC) genes that are found in most vertebrates (and thus are the most studied of the MHC genes). The proteins encoded by certain genes are also known as antigens, as a result of their historic discovery as factors in organ transplants. The major HLAs are essential elements for immune function. Different classes have different functions:HLAs corresponding to MHC class I (A, B, and C) present peptides from inside the cell. For example, if the cell is infected by a virus, the HLA system brings fragments of the virus to the surface of the cell so that the cell can be destroyed by the immune system. These peptides are produced from digested proteins that are broken down in the proteasomes. In general, these particular peptides are small polymers, about 9 amino acids in length. Foreign antigens presented by MHC class I attract killer T-cells (also called CD8 positive- or cytotoxic T-cells) that destroy cells.HLAs corresponding to MHC class II (DP, DM, DOA, DOB, DQ, and DR) present antigens from outside of the cell to T-lymphocytes. These particular antigens stimulate the multiplication of T-helper cells, which in turn stimulate antibody-producing B-cells to produce antibodies to that specific antigen. Self-antigens are suppressed by regulatory T cells.HLAs corresponding to MHC class III encode components of the complement system.HLAs have other roles. They are important in disease defense. They are the major cause of organ transplant rejections. They may protect against or fail to protect (if down-regulated by an infection) against cancers. Mutations in HLA may be linked to autoimmune disease (examples: type I diabetes, coeliac disease). HLA may also be related to people's perception of the odor of other people, and may be involved in mate selection, as at least one study found a lower-than-expected rate of HLA similarity between spouses in an isolated community.Aside from the genes encoding the 6 major antigen-presenting proteins, there are a large number of other genes, many involved in immune function, located on the HLA complex. Diversity of HLAs in the human population is one aspect of disease defense, and, as a result, the chance of two unrelated individuals with identical HLA molecules on all loci is very low. HLA genes have historically been identified as a result of the ability to successfully transplant organs between HLA-similar individuals.
  • studyres.com © 2026
  • DMCA
  • Privacy
  • Terms
  • Report