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Are your ChIP antibodies skewing your data?
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This resource is a video abstract of a research paper created by Research Square on behalf of its authors. It provides a synopsis that's easy to understand, and can be used to introduce the topics it covers to students, researchers, and the general public. The video's transcript is also provided in full, with a portion provided below for preview:

"It’s a feared moment for every scientist: the discovery that years of painstaking research has led to results that can't be repeated. Many think that poorly characterized antibodies have contributed to this reproducibility crisis more than any other laboratory tool. A new study published in Molecular Cell supports this hypothesis, at least in the context of chromatin immunoprecipitation. Although accurate ChIP interpretation depends on near-perfect antibody specificity, the report shows that many of these reagents are far less capable than their advertising suggests, which calls into question several widely accepted paradigms on genomic regulation. The study focused on histone post-translational modifications; specifically all three methylation states of lysine 4 on histone H3. Through ChIP experiments, H3K4 methylation has been strongly linked to transcriptional control..."

The rest of the transcript, along with a link to the research itself, is available on the resource itself.

Subject:
Biology
Chemistry
Life Science
Physical Science
Material Type:
Diagram/Illustration
Reading
Provider:
Research Square
Provider Set:
Video Bytes
Date Added:
09/20/2019
Association between Neu5Gc carbohydrate and serum antibodies against it provides the molecular link to cancer
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CC BY
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This resource is a video abstract of a research paper created by Research Square on behalf of its authors. It provides a synopsis that's easy to understand, and can be used to introduce the topics it covers to students, researchers, and the general public. The video's transcript is also provided in full, with a portion provided below for preview:

"Consuming high amounts of red meat is commonly linked to an increased risk of developing cancer, especially colorectal cancer. At the same time, antibodies against Neu5Gc , a carbohydrate derived from red meat, have been observed to worsen cancer in “human-like” mice. While these antibodies and red meat consumption are each believed to increase cancer risk, it remains unknown how diet affects the antibodies. Now, research suggests that consuming Neu5Gc from red meat and dairy can modulate the amounts and properties of anti-Neu5Gc antibodies in humans, providing clues to how the carbohydrate might be linked to cancer. The team behind the study calculated daily intake of Neu5Gc for more than 19,000 subjects aged 18 years or older. These participants provided regular logs of food consumed over 24-hour periods as part of the NutriNet-Santé study, which was designed to investigate relationships between nutrition and health status..."

The rest of the transcript, along with a link to the research itself, is available on the resource itself.

Subject:
Applied Science
Health, Medicine and Nursing
Life Science
Nutrition
Material Type:
Diagram/Illustration
Reading
Provider:
Research Square
Provider Set:
Video Bytes
Date Added:
02/26/2021
Biology
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CC BY
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Biology is designed for multi-semester biology courses for science majors. It is grounded on an evolutionary basis and includes exciting features that highlight careers in the biological sciences and everyday applications of the concepts at hand. To meet the needs of today’s instructors and students, some content has been strategically condensed while maintaining the overall scope and coverage of traditional texts for this course. Instructors can customize the book, adapting it to the approach that works best in their classroom. Biology also includes an innovative art program that incorporates critical thinking and clicker questions to help students understand—and apply—key concepts.

Subject:
Biology
Life Science
Material Type:
Full Course
Provider:
Rice University
Provider Set:
OpenStax College
Date Added:
08/22/2012
Biology: B Lymphocytes (B cells)
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CC BY-NC-SA
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This 14-minute video lesson provides an overview of B cells (B lymphocytes) and how they are activated and produce antibodies. [Biology playlist: Lesson 53 of 71].

Subject:
Biology
Life Science
Material Type:
Lecture
Provider:
Khan Academy
Provider Set:
Khan Academy
Author:
Salman Khan
Date Added:
05/18/2012
COVID-19, SARS-CoV-2, and the Pandemic
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CC BY-NC-SA
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During Fall 2021, all MIT students and the general public are welcome to join Professors Richard Young and Facundo Batista as they discuss the science of the COVID-19 pandemic. The livestream of the lectures is available to the public, but only registered students are able to ask questions during the Q&A.
Lectures will be given by leading experts on the fundamentals of coronavirus and host cell biology, immunology, epidemiology, clinical disease, and vaccine and therapeutic development. Guest faculty include Amy Barczak, Dan Barouch, Arup Chakraborty, Victoria Clark, Shane Crotty, Anthony Fauci, Britt Glaunsinger, Salim Karim, Shiv Pillai, Rochelle Walensky, Bruce Walker, Laura Walker, and Andrew Ward.

Subject:
Biology
Life Science
Material Type:
Full Course
Provider Set:
MIT OpenCourseWare
Author:
None, MIT Department of Biology
Date Added:
09/01/2021
COVID-19, SARS-CoV-2 and the Pandemic
Conditional Remix & Share Permitted
CC BY-NC-SA
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During Fall 2020, all MIT students and the general public were welcomed to join Professors Richard Young and Facundo Batista as they discussed the science of the pandemic during this new class. The livestream of the lectures was available to the public, but only registered students were able to ask questions during the Q&A. 
Special guest speakers included: Drs. Anthony Fauci, David Baltimore, James Bradner, Victoria Clark, Kizzmekia Corbett, Britt Glaunsinger, Akiko Iwasaki, Eric Lander, Michael Mina, Michel Nussenzweig, Shiv Pillai, Arlene Sharpe, Skip Virgin, and Bruce Walker.
NOTE: This class ran from September 1, 2020 through December 8, 2020.

Subject:
Biology
Life Science
Material Type:
Full Course
Provider Set:
MIT OpenCourseWare
Author:
None, MIT Department of Biology
Date Added:
09/01/2020
Engineering Health: Towards the Tricorder
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CC BY-NC-SA
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Students will learn to fabricate, remix, and design detection and monitoring devices for health following the core focus of the Tricorder: a portable, handheld diagnostic device which can brings health solutions to consumers at home or in remote parts of the world. Inspired by the Tricorder X-Prize (with a purse of $10 million), students will aim to create specific component technologies that integrate into a comprehensive Tricorder mechanism capable of reading vital signs and specific disease biomarker detection. Component areas will include optical, electric, biochemical, and molecular diagnostics.

Subject:
Applied Science
Engineering
Health, Medicine and Nursing
Material Type:
Full Course
Provider Set:
MIT OpenCourseWare
Author:
Gomez-Marquez, Jose
Raskar, Ramesh
Young, Anna
Date Added:
09/01/2013
Exploring crosstalk between post-translational modifications in half the time
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CC BY
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This resource is a video abstract of a research paper created by Research Square on behalf of its authors. It provides a synopsis that's easy to understand, and can be used to introduce the topics it covers to students, researchers, and the general public. The video's transcript is also provided in full, with a portion provided below for preview:

"A new method for identifying post-translational modifications in proteins promises to cut biomedical researchers’ workload in half. Enabling multiple affinity enrichment procedures to be run in parallel, the one-pot method yields the same search results as traditional methods in less time and from less tissue. As proteomics researchers know well, identifying post-translational modifications in biological samples can be tedious. Enriching samples with target modifications, such as the attachment of acetyl , succinyl or methyl groups to amino acid residues, and matching experimental data with catalogued results involves numerous steps. And the work load is only getting bigger. With exploding interest in how multiple modifications are linked across the vast proteome , the amount of time and the amount of sample required for exploration are skyrocketing in proportion. But with the new one-pot enrichment method, that could soon change..."

The rest of the transcript, along with a link to the research itself, is available on the resource itself.

Subject:
Biology
Chemistry
Life Science
Physical Science
Material Type:
Diagram/Illustration
Reading
Provider:
Research Square
Provider Set:
Video Bytes
Date Added:
09/20/2019
Fighting Back! (Lesson)
Read the Fine Print
Educational Use
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This lesson describes the major components and functions of the immune system and the role of engineers in keeping the body healthy (e.g., vaccinations and antibiotics, among other things). This lesson also discusses how an astronaut's immune system is suppressed during spaceflight due to stress and other environmental factors.

Subject:
Anatomy/Physiology
Applied Science
Engineering
Life Science
Material Type:
Activity/Lab
Lesson Plan
Provider:
TeachEngineering
Provider Set:
TeachEngineering
Author:
Denali Lander
Janet Yowell
Malinda Schaefer Zarske
Teresa Ellis
Date Added:
09/18/2014
Fundamentals of Biology
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CC BY-NC-SA
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Fundamentals of Biology focuses on the basic principles of biochemistry, molecular biology, genetics, and recombinant DNA. These principles are necessary to understanding the basic mechanisms of life and anchor the biological knowledge that is required to understand many of the challenges in everyday life, from human health and disease to loss of biodiversity and environmental quality.
Course Format

This course has been designed for independent study. It consists of four units, one for each topic. The units can be used individually or in combination. The materials for each unit include:

Lecture Videos by MIT faculty.
Learning activities, including Interactive Concept Quizzes, designed to reinforce main concepts from lectures.
Problem Sets you do on your own and check your answers against the Solutions when you’re done.
Problem Solving Video help sessions taught by experienced MIT Teaching Assistants.
Lists of important Terms and Definitions.
Suggested Topics and Links for further study.
Exams with Solution Keys.

Content Development

Eric Lander
Robert Weinberg
Tyler Jacks
Hazel Sive
Graham Walker
Sallie Chisholm
Dr. Michelle Mischke

Subject:
Biology
Life Science
Material Type:
Full Course
Provider:
MIT
Provider Set:
MIT OpenCourseWare
Author:
Chisholm, Sallie
Jacks, Tyler
Lander, Eric
Mischke, Michelle
Sive, Hazel
Walker, Graham
Weinberg, Robert
Date Added:
09/01/2011
Immunoglobulin A
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CC BY-NC-ND
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IgA is present at low concentrations in plasma, and has minimal function inside the body. However, it is specially adapted for action at mucosal surfaces and as such, is present in high concentrations in mucosal secretions and in colostrum (and milk). In many species (dogs, cats and pigs), it is the major antibody in

Subject:
Life Science
Material Type:
Diagram/Illustration
Reading
Provider:
WikiVet
Provider Set:
Blood
Date Added:
02/11/2015
Immunoglobulin D
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CC BY-NC-ND
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IgD is present in ruminants, pigs, dogs and rodents but has not been identified in horses, cats, rabbits and chickens. It is mainly expressed on the surface of B-cells i.e. it is never secreted.

Subject:
Life Science
Material Type:
Diagram/Illustration
Reading
Provider:
WikiVet
Provider Set:
Blood
Date Added:
02/11/2015
Immunoglobulin E
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CC BY-NC-ND
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Unlike IgM, IgG and IgA, IgE does not function as a soluble antibody, with binding to Fc? receptors required before it can bind to the target antigen, and is found in low levels in blood plasma. Like IgA, it is produced by plasma cells and is mainly localised to mucosal surfaces.

Subject:
Life Science
Material Type:
Diagram/Illustration
Reading
Provider:
WikiVet
Provider Set:
Blood
Date Added:
02/11/2015
Immunoglobulin G
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CC BY-NC-ND
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IgG is the major antibody in blood plasma, and constitutes at least 80% of all antibodies in the body. It is the smallest immunoglobulin, so can readily leave the blood plasma and enter tissues. They can also cross the placenta, providing adaptive immunity to the foetus when the mother is under attack. IgG is also present in breast milk.

Subject:
Life Science
Material Type:
Diagram/Illustration
Reading
Provider:
WikiVet
Provider Set:
Blood
Date Added:
02/11/2015
Immunoglobulin M
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CC BY-NC-ND
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IgM is the primordial antibody and, although a monomer, is secreted as a pentamer (five monomers joined by disulphide bonds with two monomers joined by a J chain). This gives it ten identical antigen binding sites although IgM usually has relatively low affinity for its antigen. Its heavy chain is type mu (ľ).

Subject:
Life Science
Material Type:
Diagram/Illustration
Reading
Provider:
WikiVet
Provider Set:
Blood
Date Added:
02/11/2015
Immunoglobulins - Overview
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CC BY-NC-ND
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Also called antibodies, Immunoglobulins (Ig) are the soluble form of B cell receptors (BCR) released by plasma cells after they have been activated. Immunoglobulins have to bind to a number of different antigens in a variety of environments and as such there are several different immunoglobulin classes. Each class has an optimum environment of action.

Subject:
Life Science
Material Type:
Diagram/Illustration
Reading
Provider:
WikiVet
Provider Set:
Blood
Date Added:
02/11/2015
Immunology
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CC BY-NC-SA
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This sequence explores the elements of innate and acquired immune defense mecahnisms, the cells involved, their development and maturation, and biomolecular cellular communication mechanisms required to successfully fight off infection.

Material Type:
Full Course
Provider:
University of Michigan
Provider Set:
Open.Michigan
Author:
Wesley Dunnick
Date Added:
01/19/2010