Skin Cancer

Current Projects
Charles H. Adelmann, PhD

Skin cancer is the most common type of cancer worldwide, and sun exposure is known to be one of the main risk factors for developing skin cancers. Melanin pigment gives our hair, eyes, and skin their color, and it also shields skin cells from the carcinogenic effects of sun exposure. Combining just one enzyme (tyrosinase) and two substrates (oxygen and tyrosine) in the lab results in the generation of melanin—yet we know that dozens of other proteins affect pigmentation in humans. How does a process that requires so few components in vitro utilize these other factors in the human body? Dr. Adelmann’s work focuses on the cellular and biochemical contributors to human pigmentation, a clearer understanding of which will facilitate chemopreventative interventions for skin cancer that manipulate or mimic the anti-cancer properties of pigmentation. Dr. Adelmann received his PhD from Massachusetts Institute of Technology and his BA from Rice University.

Project title: "Systematic exploration of the organellar and cellular requirements of pigmentation"
Institution: Massachusetts General Hospital
Award Program: Fellow
Sponsor(s) / Mentor(s): David E. Fisher, MD, PhD
Cancer Type: Skin
Research Area: Cell Biology
Matthew Bakalar, PhD

Dr. Bakalar is developing new methods to discover the millions of interactions between T-cell receptors and foreign antigens that trigger an immune response. In many cancers, such as metastatic melanoma, immunotherapy depends on the ability of T cells to recognize and respond to tumor-specific neoantigens-new proteins found on cancer cells, which let the immune system know that these are not normal cells. Collecting the data on this relationship can help create computational models to predict the antigen-target of a patient's individual T cell receptor, which could then guide the design of patient-specific cancer vaccines and engineering of new, tumor-targeting T cells.

Project title: "Predicting the interactions of T cell receptors with peptide-MHC complexes"
Institution: The Broad Institute of MIT and Harvard
Award Program: Fellow
Sponsor(s) / Mentor(s): Nir Hacohen, PhD
Cancer Type: Skin, All Cancers
Research Area: Basic Immunology
Michael E. Birnbaum, PhD

Immunotherapies that rely on reinvigorating T cells to patrol the body, detect cancerous cells, and eliminate them have shown the potential for long-lasting cures. Despite their initial success, however, immunotherapies have been effective only for some cancers and for some patients. To improve outcomes, Dr. Birnbaum has developed a new method to match T cells with their antigen targets on cancer cells by engineering viruses to use T cell recognition as a means of cell entry. This technology will be applicable to a wide range of cancers, including ones for which immunotherapy is not currently effective.

Project title: "Decoding and reprogramming tumor-infiltrating T cells by pMHC-targeted lentiviruses"
Institution: Massachusetts Institute of Technology
Award Program: Innovator
Cancer Type: Skin
Research Area: Immunotherapy
Alain R. Bonny, PhD

Dr. Bonny [Kenneth C. Frazier Fellow] is studying the signal pathways and molecular cues that coordinate the transition from inflammation to tissue repair in response to acute skin injury. During wounding, cells collectively activate stress response programs to promote repair and survival. Dr. Bonny is adapting and developing novel tools to map how cells leverage signaling to enable precise coordination between several different cell types in the same area. Previous work has shown a striking similarity between these stress response programs and squamous cell carcinoma tumorigenesis, suggesting this skin cancer utilizes similar pathways. Understanding how healthy tissue implements this transition may shed light on how squamous cell carcinoma and other cancers hijack and ultimately exploit these signaling mechanisms.

Project title: "The spatiotemporal coordination between inflammation and tissue repair"
Institution: The Rockefeller University
Named Award: Kenneth C. Frazier Fellow
Award Program: Fellow
Sponsor(s) / Mentor(s): Elaine V. Fuchs, PhD
Cancer Type: Skin, All Cancers
Research Area: Cell Biology
Madi Y. Cissé, PhD

Dr. Cissé [Merck Fellow] aims to define the functional importance of nutrient sensing within the tumor microenvironment. How cells sense and adapt to the availability of nutrients in their environment is incompletely understood, but one key pathway is the signaling system anchored by the mTORC1 kinase. The mTORC1 kinase regulates cell growth and metabolism in response to nutrients such as amino acids and glucose. Aberrant mTORC1 signaling is implicated in several cancers, including melanoma, known to be heavily influenced by factors in the microenvironment such as nutrient availability. Dr. Cissé aims to understand how tumor metabolism senses and responds to varying nutrient levels, which will be essential for developing novel therapeutic targets.

Project title: "Integration on oncogenic signaling and nutrient sensing by mTOR in tumors"
Institution: Harvard T.H. Chan School of Public Health
Named Award: Merck Fellow
Award Program: Fellow
Sponsor(s) / Mentor(s): Brendan D. Manning, PhD
Cancer Type: Skin, All Cancers
Research Area: Metabolism
Gabriel Muhire Gihana, PhD

Dr. Gihana [The Mark Foundation for Cancer Research Fellow] investigates the role of cellular morphology in mediating the oncogenic signaling of the gene RAS in pancreatic cancer. RAS is altered in more than 30% of human cancers, making it one of the genes most affected by cancer-causing alterations. Oncogenic RAS induces pronounced changes in cell morphology. Dr. Gihana aims to understand how the changes in cell morphology contribute to the potential of RAS to cause cancer. Because direct inhibition of oncogenic RAS has been difficult to achieve, these studies of other cellular parameters that mediate RAS impact on cancer is likely to contribute to novel and effective therapies.

Project title: "Cell morphological modulation of oncogenic Ras signaling"
Institution: University of Texas Southwestern Medical Center
Named Award: The Mark Foundation for Cancer Research Fellow
Award Program: Fellow
Sponsor(s) / Mentor(s): Gaudenz Danuser, PhD
Cancer Type: Skin
Research Area: Carcinogenesis
Anita Gola, PhD

Dr. Gola [National Mah Jongg League Fellow] is investigating how tissue regenerates the right cell type, at the right place. Effective cell-cell communication and cell-spatial organization are critical to maintaining organ function and homeostasis. Dr. Gola will use skin as a model tissue to understand how immune cells are organized and how they communicate with resident stem cells while maintaining tolerance and providing protection. When these interactions are disrupted, they can lead to cancers and other hyper-proliferative disorders. Unraveling the mechanisms that govern healthy immune-stem cell crosstalk and what goes wrong in disease may lead to new therapeutics for skin cancers.

Project title: "A spatially patterned stem cell and immune cell barrier at the skin surface"
Institution: The Rockefeller University
Named Award: National Mah Jongg League Fellow
Award Program: Fellow
Sponsor(s) / Mentor(s): Elaine V. Fuchs, PhD
Cancer Type: Skin
Research Area: Stem Cell Biology
Alexander C. Huang, MD

Immune checkpoint inhibitors (ICI), like anti-PD-1 therapy (αPD-1), have transformed clinical oncology by inducing long-term remissions, even in metastatic disease. However, fewer than 40% of cancer patients achieve such long-term remission with αPD-1, and immune-related toxicity limits more aggressive combined approaches, such as anti-PD1 and anti-CTLA-4 therapy. The question remains why a large portion of the immune response generated by combination immunotherapy is directed towards toxicity rather than anti-tumor immunity. A better understanding of the T-cell response to ICI is needed to develop safer and more effective treatment strategies. In humans, CD8+ T-cells are responsible for anti-tumor immunity. Dr. Huang [Damon Runyon-Doris Duke Clinical Investigator] is investigating the immune responses of different types of CD8+ T-cells to αPD-1 and whether they play a role in determining clinical efficacy and immune toxicity.

Project title: "Shared antigen and neoantigen-specific T cells in checkpoint blockade efficacy and toxicity"
Institution: University of Pennsylvania
Named Award: Damon Runyon-Doris Duke Clinical Investigator
Award Program: Clinical Investigator
Sponsor(s) / Mentor(s): Gerald P. Linette, MD, PhD
Cancer Type: Skin
Research Area: Immunotherapy
Anusha Kalbasi, MD

Immune checkpoint inhibitors, a standard of care for metastatic melanoma, release the brakes on a patient's T cells, so they can attack a tumor. Some patients, however, relapse when resistance to treatment occurs. Dr. Kalbasi will lead a clinical trial to test a new immunotherapy treatment approach for patients with this deadly skin cancer, who did not respond to standard therapies. He will identify patients whose melanoma tumor cells express a protein called IL13Ra2. He will then collect the patient's immune T cells, engineer them to identify tumor cells that express the protein and reinfuse the T cells to kill tumor cells inside the patient. In contrast to immune checkpoint inhibitors that require regular intravenous doses, these engineered chimeric antigen receptor (CAR) T cells are a one-time treatment that theoretically protect the body for life. This clinical trial may also offer insights on how CAR T therapy overcomes tumor resistance mechanisms to treat patients with metastatic melanoma.

Project title: "IL13Ra2 Chimeric Antigen Receptor (CAR) T cells for metastatic melanoma"
Institution: University of California, Los Angeles
Award Program: Clinical Investigator
Sponsor(s) / Mentor(s): Antoni Ribas, MD, PhD, and Christine Brown, PhD
Cancer Type: Skin
Research Area: Immunotherapy
Siqi Li, PhD

Dr. Li [The Mark Foundation for Cancer Research Fellow] studies signaling events regulating the competition between cells carrying cancer-causing mutations and normal cells during cancer initiation. Previous studies have shown that intercellular signaling between mutant and normal cells could regulate the proliferation of these cells and shape the outcome of cancer initiation. Dr. Li is adapting novel tools to identify what molecular cues are mediating this crosstalk and how they contribute to cancer growth in mouse skin. Understanding these events may guide the development of cancer prevention strategies that restrict the early expansion of mutant cell lines in skin and other tissues. Dr. Li received her PhD from Duke University and her BS from Tsinghua University.

Project title: "Deciphering clonal competition between oncogenic mutant and normal cells and its effect on cancer initiation"
Institution: Fred Hutchinson Cancer Research Center
Named Award: The Mark Foundation for Cancer Research Fellow
Award Program: Fellow
Sponsor(s) / Mentor(s): Slobodan Beronja, PhD
Cancer Type: Skin
Research Area: Carcinogenesis
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