Reading time: 5 minutes Karli Norville Immune checkpoint inhibitors (ICIs) have been so impactful in the treatment of cancer in recent years that the basic research supporting their development was the subject of the 2018 Nobel Prize in Physiology or Medicine (1). Despite their clinical success, the occurrence of immune-related adverse events (irAEs) within a... Continue Reading →
M1 Kills, M2 Heals: The Effects of Different Subsets of Macrophages in Cancer
Reading time: 7 minutes Gracie Jennah Mead Introduction Macrophages are an important part of the innate immune system. Within the innate immune system, which comprises more indiscriminate strategies that protect us from pathogens in general, macrophages engulf and break down pathogens. Macrophages are a diverse cell as they can regulate tissue development and tissue repair... Continue Reading →
A Parasite-Cancer Relationship
Reading time: 5 minutes Jessica Desamero Parasites, such as flatworms and amoeba, are like alien invaders: they live on or inside a host organism to obtain food and can cause the host much harm. For instance, they can cause parasitic diseases with severe symptoms, some of which are fatal. Similarly, cancer cells are invasive in... Continue Reading →
Is Chronotherapy the Future of Cancer Treatment?
Reading time: 5 minutes Hema Saranya Ilamathi It's seven o'clock in the morning! A bright light hits my face, and I awaken before the alarm clock starts buzzing. Did you know humans have an inbuilt biological clock known as the circadian rhythm? Light stimulates this 24-hour central clock in the brain. In general, photoreceptors in... Continue Reading →
Cells Get Overworked Too: The Effect of T Cell Exhaustion in Cancer
Reading time: 6 minutes Gracie Jennah Mead Introduction Exhausted T cells (Tex) were first discovered during chronic viral infections whereby the CD8 T cells (which are a type of immune cell that initiates killing of virally infected cells and cancerous cells) persist but can no longer clear the pathogen, this was first evident in HIV... Continue Reading →
Can a Virus Treat Cancer? An Oncolytic Virus May Be the Answer!
Reading time: 5 minutes Hema Saranya Ilamathi Viruses have long been associated with illnesses in humans, like the flu and AIDS, but many people are unaware that some viruses can be used to treat cancer. Oncolytic viruses (OVs) are natural or genetically engineered viruses that selectively target and destroy cancer cells. Using viruses to treat... Continue Reading →
Can Exercise Treat Cancer?
Reading time: 3 minutes Sydney Scatigno Why do people exercise? There are a number of reasons people choose to engage in physical activity like walking, running, lifting weights, or playing sports. The more obvious reasons can include losing weight, building muscle, or improving overall physical appearance, but can it help treat diseases like cancer? There... Continue Reading →
Post-translational Modifications: The Balance of Intramolecular Toxicities
Reading time: 4 minutes Ian Lock By directing immune cells to attack tumor cells, immunotherapy uses the body’s own biological mechanisms to target and eliminate cancer. Recently this concept has been retooled for another class of therapeutics that capitalizes on a cell’s internal processes to target cancer cells. Adapted from Promega PROTACs or proteolysis-targeted chimeric... Continue Reading →
Updates in Pediatric Cancer: What’s New?
Reading time: 3 minutes Susan Egbert Pediatric cancer is a broad term that refers to cancers originating in children younger than 18. There are different types of pediatric cancer, but they all fall into one of two categories: solid tumors and leukemia. Solid tumors are cancers arising from cells in the body's tissues. These tumors... Continue Reading →
Non-small cell lung cancer and immunotherapy
Reading time: 4 minutes Indiwari Gopallawa Cancer is the second leading cause of death after cardiovascular diseases in the United States and has a major impact on society. Lung cancer is the second most common cancer type and is associated with lower survival rates and higher cancer-related deaths, accounting for 25% of all cancer-related deaths... Continue Reading →
CAR-Macrophages: A New Take on an Immunotherapy Classic
Colette Bilynsky CAR-T cell therapy is widely available in the United States, with 6 FDA-approved formulations, and has been previously discussed on Oncobites. However, a new clinical trial using the CAR (chimeric antigen receptor) technology is underway, but using macrophages instead of T-Cells in the hope of treating more types of cancer. But let’s take... Continue Reading →
Can Our Immune System be Directed to Kill Cancer Cells? Limitations and Solutions
Reading time: 4 minutes Hema Saranya Ilamathi Beep! Beep! There goes the metal scanner in the airport. Oops! I realized that I forgot to take out the key chain from my pocket. Similar to the metal detection system, our body has a highly vigilant surveillance system called immune cells that constantly scan for the presence... Continue Reading →
Ion Channels in T cells— Channeling a New Research Era?
Reading time: 5 minutes Christina Niavi Our human body has amazing defense mechanisms. The organism defense is like the army, with a first line of defense against any kind of threat and, a second defense, more specialized to each threat. Specialized defense soldiers, called CD8 T cells, are equipped with killing machineries to eradicate tumors... Continue Reading →
Reverse Vaccinology for Cancer-Causing Viruses
Reading time: 7 minutes Felicites Rapon Hepatitis C virus (HCV) is the causative agent of hepatitis C, an infectious disease of the liver causing inflammation and necrosis. HCV infection can be either acute (which can be cleared without any medicines) or chronic. The latter can be due to environmental factors such as alcohol usage but... Continue Reading →
Transmissible Tumors in Tasmanian Devils
Reading time: 3 minutes Hannah Young Cancer is generally thought to be a disease that develops from one cell that eventually divides and becomes a tumor within an individual; how this cell becomes cancerous differs depending on the initiating event. While some cancers are initiated through a series of mutations in tumor suppressors or oncogenes,... Continue Reading →
Immune Agonist Antibodies: Promising Immunotherapy Targets on the Horizon
Reading time: 4 minutes Kate Secombe You may have read previously on OncoBites about immunotherapies, and the great promise they hold in treating a wide range of cancers. Commonly used immunotherapies include checkpoint inhibitors such as PD-1 or CTLA-4 inhibitors. Here I will be looking at an emerging subset of immunotherapies known as immune agonist... Continue Reading →
Bone Marrow Failure: Implications in Cancer
Reading time: 3 minutes Bhavuk Garg Bone marrow is soft trabecular tissue nourished by an intensive network of blood vessels. This tissue is found in axial and leg bones of the body. Bone marrow is primarily made up of two types: red bone marrow and yellow bone marrow. Red bone marrow contains stem cells and... Continue Reading →
Does Bacterial Infection Lead to Increased Risk of Cancer?
Sohini Basu Roy Reading time: 3 minutes Every year 2.8 million antibiotic-resistant infections cases occur in the U.S. and more than 35,000 people die due to bacterial infection But one of the main challenges is a consequence resulting from the infection: weakened immune system. This leads to immunodeficiency and thus patients become more prone to... Continue Reading →
Our Bodies — a Weapon Against Cancer?
Reading time: 5 minutes Mahrukh Fatima Our bodies are quite spectacular and are well-equipped to protect us from most dangers we encounter, both internal and external. The tools our bodies use to protect us against microscopic threats are collectively known as the immune system, and just like tools in a toolbox, the different types of... Continue Reading →
Does HIV Lead to Cancer?
Daniel Zhong Reading time: 3 minutes Roughly 37.7 million individuals on Earth by the end of 2020 have been living with HIV — human immunodeficiency virus — which targets and weakens the human body’s immune system when not properly controlled or treated. As a result, this impaired immune system can cause people to become immunodeficient,... Continue Reading →
Immune-related Adverse Events: A Blessing or a Curse for Cancer Immunotherapy?
Reading time: 7 minutes Aishat Motolani You have most likely heard of several branded FDA-approved drugs during TV commercials and sighed, “Ah! not again with this rhythmic list of symptoms.” Well, some of those symptoms may have included immune-related adverse events (IRAEs). iRAEs are composed of an array of side effects that are reminiscent of... Continue Reading →
Investigating the genetic basis of Graft versus Host Disease
Reading time: 5 minutes Kate Secombe The treatment for many blood cancers can be invasive and have a range of side effects. One such side-effect is known as Graft versus Host Disease (GvHD). While GvHD invokes a range of unwanted symptoms, we currently do not fully understand how and why it develops. New research by... Continue Reading →
Building a Highway to Tumors
Sara Musetti Estimated reading time: 5 minutes It seems talking about the immune system and how it can fight cancer is all the rage these days, especially here at OncoBites. But talking about it can be tricky, especially because most people seldom think about their immune system. It’s a part of your body, but… which... Continue Reading →
Risk of Infection in Cancer Patients: Life in the Time of Coronavirus
Reading time: 3 minutes Manisit Das It is a scary and anxious moment for many of us, and if you are on the internet, it is hard to miss updates about the latest coronavirus disease, COVID-19. The viral disease is characterized by flu-like symptoms and may cause respiratory infections in certain individuals, was declared a... Continue Reading →
Pembrolizumab – the miraculous drug
Reading time: 5 minutes Varshit Dusad A cancer diagnosis is generally perceived to be a death sentence. With millions of people dying of cancer every year, this does not seem to be at all outrageous. However, researchers all over the world, in academia and industry alike, have been relentlessly pursuing novel therapies and drugs to... Continue Reading →
Overcoming the Limitations of CAR-T Therapy: Cytokine Storm
Reading time: 3 minutes Alex S. Woodell A warm breeze whips by as you notice a peculiar set of clouds forming in the distance. These cumulus clouds are tall with bumpy protrusions that flatten out near the top to form a silhouette of a giant anvil. As condensation builds in these behemoths, the bright sunlight... Continue Reading →
Players in Cancer Metastasis: Part Two
Reading time: 4 minutes Shaye Hagler For those of you whose lives have been impacted by cancer, you might have heard of the term “metastasis.” We call cancer metastatic when it breaks off from the initial tumor and travels to other organs. You might also have heard it being referred to before as “stage 4... Continue Reading →
Too Much Potassium Might Be Poisoning Your Anti-Tumor Immunity
Reading time: 4 minutes Sara Musetti Cancer immunotherapy has been a very hot topic here at OncoBites (because it’s a hot topic right now among cancer researchers too), but let me be super clear ⎯ it is COMPLICATED. Your immune system is balanced extremely delicately to avoid sending you into shock each time you are... Continue Reading →
Can exercise prevent cancer recurrence?
Reading time: 3 minutes Bekah Schulz It is well accepted that exercise is beneficial for human health and boosts overall energy level. However, the questions remains: can exercise be used as a cancer therapy? Research is indicating that it can. Over the past 20 years, studies have demonstrated that exercise decreases the risk of recurrence... Continue Reading →
Overcoming the Limitations of CAR-T Therapy: Burnout
Reading time: 4 minutes Alex S. Woodell Marathon runners are an interesting breed. In order to complete the grueling 26.2 mile circuit, they must push their mental and physical boundaries to the limit. Seasoned runners possess great strength, focus, resilience, and determination. Each of these qualities is a testament to the intense training schedules they... Continue Reading →