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All Case Studies

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In keyword search, list the criteria you would like to find cases. Multiple criteria can be listed separated by commas (i.e. directed, high school)

Educational levels are defined as follows: Elementary, Middle, High School, College

Types of cases are defined as follows: Analysis/Issues, Clicker, Debate, Intimate Debate, Demonstration, Dilemma/Decision, Directed, Discussion, Interrupted, Jig-saw, Journal Article, Laboratory, Student Presentations, Mini-case, Problem-Based Learning, Public Hearing, Role-Play, Trial, Flipped, Game

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Oral Allergy Syndrome

By Merle K. Heidemann (rr), Mike S. Taylor, Amanda Storm, Cassie Dresser-Briggs, Alexa Warwick, Peter J.T. White

Students who work through this case study will follow the progress of “Sam” as he explores the microbiological mechanism of oral allergy syndrome, including an investigation of the lymphocytes and antibodies involved. Upon discovering the biologi...

In Search of a Cure for Breast Cancer

By Jolanta Skalska

In this directed case study, students analyze data, draw a research-based conclusion, interpret experimental results, and discuss the relevance of research findings for clinical practice....

Toxic Circumstances

By Parks Collins, Jason Macrander

This interrupted case study tells the true story of Karl P. Schmidt, a herpetologist and museum curator who was bitten by a venomous snake in 1957. Like a true scientist, Schmidt recorded notes about his symptoms until the very end when he died. Stud...

Ciara’s Struggle

By Ryan P. Rogers

This interrupted case study follows Abby and her husband Jim who have recently adopted a young girl, Ciara. Ciara was homeless prior to the adoption and has no medical records aside from newborn vaccinations. Almost immediately following the adoption...

CAR T Immunotherapy

By Joseph DeMasi, Janet A. De Souza-Hart

This directed case study was written to help students learn about an innovative cancer therapy that harnesses a patient's immune system to recognize and destroy cancer cells. The critical insight underlying this therapy is to use a cancer patient's o...

A Rainbow of Sepia

By Annie Prud’homme-Genereux

This flipped case study examines the selective pressures that have affected the evolution of diverse human skin pigmentations. To prepare for the case, students begin by watching videos and doing research on their own. In class, students use the info...

Death Becomes Us

By Michele M. Cox

This interrupted case study reviews the cellular and molecular mechanisms involved in apoptosis, or programmed cell death, and how it may be used in the treatment of cancer. The case narrative follows "Derek," a college student who travels to Philade...

The Sound of DNA

By Janet A. De Souza-Hart, Joseph DeMasi

The steps involved in transcription and translation can be difficult for students to comprehend. Relating popular culture references (such as song titles) to protein sequences can help students understand the conversion of DNA and RNA information to ...

Yeast Cryptography

By Brian K. Sato, Eduardo Cruz-Hinojoza, Duyen Dinh-Dang

This "clicker case" focuses on the use of molecular biology concepts and techniques to protect the property of a fictional bread company. Students will address questions as to how one can "mark" a yeast strain by embedding a particular DNA sequence i...

Host-Pathogen Interactions

By Kirsten L. Hokeness, Stephanie Mott

This case study introduces students to the complex field of immunology and the wide variety of host-pathogen interactions that drive evolutionary change.  The case begins with a basic overview of the phases of the immune response and how each co...

The Potential Perils of Pauline

By George E. Keller

This directed case study follows the story of “Pauline,” a 20-year-old college student who has just received results from a personal genetic testing kit she purchased online. The report shows a negative result for variants of the BRCA 1 and 2 gen...

How to Make ATP

By Monica L. Tischler

This case study for the flipped classroom introduces the discovery process used to elucidate how cells make ATP. Data from three seminal primary literature papers and novel (for their time) methods are used to illustrate how scientists determined the...

Protein Targeting Gone Awry

By Michèle I. Shuster

This case study synthesizes students' knowledge of the central dogma and cell structure by examining a rare health disorder in order to understand protein targeting and its medical consequences. Students first identify the molecular alteration in aff...

The Evolving Genetics of Disease Resistance

By Jennifer M. Dechaine

This interrupted case study for the flipped classroom applies evolutionary genetics research to human health. Students learn about a naturally occurring, but rare, allele of the CCR5 gene, CCR5-Δ32, which provides resistance to HIV. They use data fr...

Living in a Genomic World

By Rivka L. Glaser, Erin L. Zimmer

This directed case study was developed in order to present genomic data to students, allow them to interpret the impact of genetic variations on phenotype, and to explore precision medicine. Students are introduced to "Josie," a college sophomore who...

Snow White Apples?

By Ann T.S. Taylor

The protagonist of this two-day flipped case study, “Maria,” has two problems. She doesn’t like it when the apple slices in her lunch turn brown, and she needs to find a project for her biology class that includes molecular biology, preferably ...

The Case of the Malfunctioning Neuron

By Kirsten L. Hokeness

This flipped case study tells the story of Joyce, a biology student who notices the development of some unusual symptoms (foot slapping and slurred speech) in her mother. In an effort to understand the cause, Joyce views a documentary-style trigger v...

Wiggles Isn’t Wiggling: Apoptosis Edition

By Sigrid A. Carle

This case study tells the story of a family pet that is diagnosed with cancer.  Claire learns that her dog Wiggles has lymphoma, and that histone deacetylase inhibitors (HDACi) offer a potential treatment. Students integrate material related to ...

Wiggles Isn’t Wiggling: Gene Expression Edition

By Sigrid A. Carle

This case study tells the story of a family pet that is diagnosed with cancer.  Claire learns that her dog Wiggles has lymphoma, and that histone deacetylase inhibitors (HDACi) offer a potential treatment. Students integrate material related to ...

From Twiggy to Tubby

By Abigail R. Wilson, Ashley E. Rhodes, Timothy G. Rozell

This case study explores the topics of diffusion, osmosis, membrane transport, and the physiological significance of glucose and insulin in the human body. The story begins with a high school athlete, Timmy, who is incredibly efficient at metabolizin...

Cut It Out!

By Grace A. Farber, Amy T. Hark

This directed case study was developed to introduce students to the CRISPR-Cas9 system for genome editing. CRISPR-Cas9 has made numerous headlines in both the scientific and popular press, and thus serves as an excellent model for learning current bi...

New Ways to Breathe

By Charlie W. Zhao, Kevin Xo, Tom L. Haffie (rr)

This case study follows a young cystic fibrosis (CF) patient named Lucas. Through Lucas's story and interactions between his parents and pediatrician, students learn about the scientific background and basis of CF. By reviewing email correspondence b...

Glowing Plants on Kickstarter

By Brynn F. Welch, Christine M. Fleet

This case study is centered on a real scenario from 2013 in which the Kickstarter fundraising platform included a fundraising proposal from a group wanting to use synthetic biology to make glowing plants. The proposal raised controversy because the G...

I Scream for Ice Cream

By Nadia Sellami, Julie A. Morris, Sheela Vemu

Lactose intolerance, caused by a lack of persistent lactase enzyme expression, is a trait commonly observed in adult humans, with varying geographic prevalence depending on dietary habits in different cultures. This case study follows a diverse group...

The Challenge of Epilepsy

By Charlie W. Zhao, Jasper C.H. Wong, Tom L. Haffie (rr)

This case study was originally developed for undergraduate science students as part of an extracurricular competition, but it could also be delivered as a directed case. Accordingly two versions of the activity are included. Each version requires stu...

Resurrection

By Karobi Moitra

This case study examines the molecular methods that were used to reverse engineer the 1918 influenza virus strain in order to try and solve the mystery of why it was so deadly. The story starts in the 1950s with the unsuccessful attempts to culture t...

mRNA Processing

By Kristen H. Short

This clicker case study follows a dialogue between two college students, Lucy and Dan, as they discover how alternative splicing of mRNA molecules can allow a single gene to code for multiple proteins. Dan is participating in a clinical trial for a d...

Rice ’n Beans or Ricin Beans?

By Ann T.S. Taylor

Taylor must write a report about a natural toxin while she is home from college on break. After a family dinner conversation about the latest attempt to poison a politician via a letter, Taylor decides to explore how ricin acts as a poison....

A Decision to Branch Out

By Dongfang Wang

In this flipped case study, students use the scientific method to investigate how changes in a few genes have shaped the evolution of maize plant architecture during domestication. To prepare for the case, students first watch a video developed by HH...

Evolution in Action

By Merle K. Heidemann (rr), Peter J.T. White, James J. Smith

This case study is based on Dr. Richard Lenski’s ongoing studies of evolution in E. coli. Students are introduced to prokaryotic biology and to Lenski’s studies based on serial broth cultures of E. coli, which have been monitored for genotypic an...

One Tablet a Day May Keep Cancer Away

By Adam J. Kleinschmit

This dilemma/decision case study is intended to demonstrate how knowledge of signal transduction pathways can be applied to the pharmaceutical industry and within a medical setting. The case scenario revolves around a physician scientist's analysis o...

BSL-4: Authorized Personnel Only

By Nicole M. Anthony

This case study is based on the 2014 Ebola epidemic that spread to multiple highly populated countries in West Africa, making it the largest and most devastating outbreak in the history of the virus. The storyline, inspired by a compilation of factua...

The Ebola Wars: Advanced Edition

By Derek Dube, Linda M. Iadarola, Tracie M. Addy

This case study was written for upper level undergraduate and graduate students to review foundational aspects of virology and to examine Ebola virus infection in detail. Terry is a college student who travels to a West African clinic for the summer ...

A Different Kind of Stress

By Karen S. Huffman

Protein folding and trafficking is essential for normal cell function, and when it goes awry it can lead to various chronic conditions, including fatty liver disease, diabetes, and Parkinson's. The narrative of this case study follows two undergradua...

When a Gene Turned Off Is a Matter of Life or Death

By Tracie M. Addy

When Jordan is diagnosed with brain cancer (glioblastoma multiforme), his college plans are unexpectedly put on hold. This scenario is presented in order to teach students about gene regulation, as the efficacy of the drug Jordan receives for post-su...

The Mona Lisa Molecule

By Karobi Moitra

This case study details the historical discovery of the structure of DNA. Images of this key molecule are as iconic as those of the Mona Lisa, and identifying its structure has proven to be as intriguing a mystery for scientists as the reason behind ...

Joel E. Greengiant Learns About Peas

By Merle K. Heidemann (rr), Peter J.T. White, James J. Smith

This case study follows purveyors of peas, Joel E. and Jolene Greengiant, as they learn about the origin, biochemistry, genetics and eventual artificial selection of sweet (wrinkled) peas, all in the context of evolutionary biology. This integrative ...

Cow of the Future

By Richard C. Stewart, Daniel C. Stein, Kevin S. McIver, John Buchner, Ann C. Smith

In this case developed for an introductory general microbiology course, students consider concepts of bacterial genetics as they act as consultants to a foundation interested in funding innovative products. Students take the role of advising "the bar...

To Be or Not to Be ... an Inhibitory Neurotransmitter

By Frank Miskevich

Jessica and George are students struggling to understand the forces which control ions moving across membranes.  For the nervous system in particular, ions create the electrical signals neurons use to communicate with one another.  Jessica ...

The Evolution of Color Vision in Monkeys

By Merle K. Heidemann (rr), Peter J.T. White, James J. Smith

This case study examines the evolution color vision in Old World and New World monkeys from multiple biological perspectives. This integrative approach employs both problem-based learning techniques and directed questions as students move through a s...

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