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Related Concept Videos

Drug Classes and Categories01:25

Drug Classes and Categories

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Drugs can be classified according to their chemical composition or their intended therapeutic application. For instance, anti-infective agents that possess the ability to eliminate pathogens or suppress their growth and reproduction can be grouped based on the organisms they target or their chemical structure. Furthermore, drugs can be divided into prescription, nonprescription, or controlled substances. Prescription medications, such as antibiotics, require oversight from a licensed healthcare...
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Antibody Structure and Classes01:25

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Antibodies, also known as immunoglobulins, are produced by B cells in response to foreign substances, such as bacteria and viruses. These proteins are critical for recognizing and neutralizing these substances, protecting the body from potential harm.
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Chromatin Position Affects Gene Expression02:35

Chromatin Position Affects Gene Expression

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Chromatin is the massive complex of DNA and proteins packaged inside the nucleus. The complexity of chromatin folding and how it is packaged inside the nucleus greatly influences  access to genetic information. Generally, the nucleus' periphery is considered transcriptionally repressive, while the cell's interior is considered a transcriptionally active area. 
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Antihypertensive Drugs: Thiazide-Class Diuretics01:15

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Thiazide diuretics are sulfonamide derivatives featuring a benzothiadiazine ring system in their molecular structure. Based on this structure, thiazide diuretics can be categorized into two groups: thiazide-type and thiazide-like diuretics. Thiazide-type diuretics, including hydrochlorothiazide and chlorothiazide, consist of a benzothiadiazine backbone with an attached sulfonamide group. Thiazide-like diuretics, such as chlorthalidone and indapamide, lack the thiazide ring but demonstrate...
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What is Gene Expression?01:42

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Overview
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Antiarrhythmic Drugs: Class I Agents as Sodium Channel Blockers01:22

Antiarrhythmic Drugs: Class I Agents as Sodium Channel Blockers

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Class I antiarrhythmic drugs are used to treat various types of arrhythmias or irregular heart rhythms. These drugs block the sodium (Na+) channels in the cardiac cells, thereby affecting the movement of electrical impulses across the heart. Class I antiarrhythmic drugs are divided into three subgroups: Class IA, Class IB, and Class IC, each with distinct mechanisms of action and effects on the heart.
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Testing Cancer Immunotherapeutics in a Humanized Mouse Model Bearing Human Tumors
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HLA Class-II Expression in Human Tumors.

Federico Garrido1

  • 1Departamento de Analisis Clinicos e Inmunologia, Hospital Universitario Virgen de las Nieves, Facultad de Medicina, Universidad de Granada, Granada, Spain.

Advances in Experimental Medicine and Biology
|May 30, 2019
PubMed
Summary

Human Leukocyte Antigen (HLA) class II expression in tumors impacts cancer progression and may link to autoimmune disease development. Understanding this connection is crucial for cancer research.

Keywords:
Antigen presenting cellsCytokynesHLA-II & autoimmunityHLA-II in tissuesHLA-II in tumorsImmunohistochemistryInterferonTumor infiltrating lymphocytesTumor prognosisTumor rejection

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Area of Science:

  • Immunology
  • Oncology
  • Pathology

Background:

  • Human Leukocyte Antigen (HLA) class II molecules are crucial for presenting antigens to T lymphocytes.
  • Aberrant expression of these molecules is observed in various human cancers.
  • The role of HLA class II in cancer progression and its potential link to autoimmunity requires further investigation.

Purpose of the Study:

  • To analyze the expression patterns of HLA class II molecules in different human tumors.
  • To investigate the role of tumor HLA class II expression in cancer progression.
  • To explore the potential connection between tumor HLA class II expression and autoimmune disease pathogenesis.

Main Methods:

  • Review of existing literature on HLA class II expression in human tumors.
  • Analysis of data correlating HLA class II expression with cancer progression markers.
  • Discussion of immunological mechanisms linking HLA class II and autoimmunity.

Main Results:

  • HLA class II expression varies significantly across different human tumor types.
  • Tumor-associated HLA class II expression can influence immune responses and cancer progression.
  • Evidence suggests a potential role for tumor HLA class II in the pathogenesis of autoimmune diseases.

Conclusions:

  • HLA class II expression in tumors is a complex factor influencing cancer progression.
  • The interplay between tumor HLA class II and autoimmunity warrants further detailed study.
  • Targeting HLA class II pathways may offer novel therapeutic strategies in oncology and autoimmune disorders.