MHC Molecules, Antigen Processing and Presentation

MHC Class I and II Pathways

Major Histocompatibility Complex (MHC) molecules characteristics The Major Histocompatibility complex is a genetic locus that encodes the glycoprotein molecules (transplantation antigens) which are responsible for tissue rejection of grafts between genetically unidentical individuals. It is also the molecule that binds the peptide antigens processed by Antigen-presenting Cells and presents them … Read more

Antibodies- Definition, Structure, Types, Forms, Functions

Antibodies- Definition, Structure, Types, Forms, Functions

Introduction and History for Antibodies These are protein molecules naturally produced or synthesized by the B-lymphocytes. They are also known as Immunoglobulins. The use of the term antibody defines an Immunoglobulin molecule that has specificity for an epitope of the molecules that make up antigens. Produced and secreted by plasma … Read more

Active and Passive Immunity- Definition, Types, Differences

Active and Passive Immunity- Definition, Types, Differences

Immunity Definition Immunity can be defined as the ability of a multicellular organism’s body to protect themselves from foreign agents and infectious agents, by being able to destroy them to prevent further body infections. Immunity to infectious microorganisms can be achieved by active or passive immunization. In each case, immunity … Read more

Hematopoiesis and Cells of the Immune system

Cells of the Immune system

What are the cells of the Immune system? The immune system is made up of different immune organs and tissues located all over the body. The immune organs are categorized based on their functions and there are two main categorize, which include: Primary lymphoid organs provide a development and maturation … Read more

Vaccines- Definition, Types, Examples, Side Effects

Definition and History of Vaccines A vaccine is an agent that is prepared from an antigen or pathogen by either deactivating its mechanisms of protein synthesis or denaturing or killing them. This allows the preparation of an agent that can be introduced into the host in order to induce an … Read more

Immunity- Immune System and Immunization

Immunity- Immune System and Immunization

The Immunity Phenomenon Mechanism of Immunity As much as immunity curtails to the 430 B.C, significantly improved immunity phenomenal were made in the 18th century starting with Edward Jenner in 1798 after he noticed that milkmaids that had contracted the mild-disease of cowpox, were immune to smallpox (a fatally deadly … Read more

Differences between Real-Time PCR and Rapid Diagnostic Test

Differences between Real-Time PCR and Rapid Diagnostic Test

Rapid Diagnostic Test vs Real-Time PCR (qPCR) There are several diagnostic tests that have been authorized for Emergency Use by the FDA for diagnosis of a wide range of infections. Notably, these diagnostic tests aim at identifying an infected individual from a non-infected person, using different working principles and duration … Read more

COVID-19 diagnosis: Abbott RealTime SARS-CoV-2 assay

Abbott RealTime SARS-CoV-2 assay

Medical Disclaimer: The information presented on the website is only for academic and study purposes and must not be used for the purpose of diagnosis. If you are not feeling well, please consult with your physician or doctor. Introduction We have so far discussed the most current diagnostic tests that … Read more

COVID-19 IgG/IgM Rapid Test for antibodies detection

COVID-19 IgG-IgM Rapid Test for antibodies detection

Medical Disclaimer: The information presented on the website is only for academic and study purposes and must not be used for the purpose of diagnosis. If you are not feeling well, please consult with your physician or doctor. Introduction So far we have discussed three tests currently authorized by the … Read more

COVID-19 Diagnostic Test: Xpert Xpress SARS-CoV-2

Medical Disclaimer: The information presented on the website is only for academic and study purposes and must not be used for the purpose of diagnosis. If you are not feeling well, please consult with your physician or doctor. Introduction COVID-19 disease caught the world unaware, unprepared for a pandemic as … Read more

COVID-19 Diagnostic Test: Abbott ID NOW COVID-19

Abbott ID NOW COVID-19

Medical Disclaimer: The information presented on the website is only for academic and study purposes and must not be used for the purpose of diagnosis. If you are not feeling well, please consult with your physician or doctor. Introduction The world is coming to terms with the current situation of … Read more

COVID-19 – Frequently Asked Questions (FAQs)

COVID-19 - Frequently Asked Questions (FAQs)

COVID-19 Basics What is COVID-19? This is an infectious disease that was discovered to causes a cluster of pneumonia cases first identified in Wuhan, China. It is caused by the 2019 Novel Coronavirus, formerly known as “2019 novel coronavirus (2019-nCoV)”  and the disease was officially named COVID-19, by the World … Read more