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Cancer Immunotherapy investigators

Carolyn Anderson, PhD
Contact:
100 Technology Drive
Bridgeside Point Suite 452
Pittsburgh PA
Research Interests and Keywords:
  • Radiopharmaceuticals
  • metal radionuclides
  • diagnostic imaging
  • cancer imaging
  • radiotherapy
  • molecular imaging
  • positron emission tomography (PET)
  • cancer metastasis
Summary
The major focus of the Anderson Lab is the development, evaluation and application of radiopharmaceuticals containing metal radionuclides for diagnostic imaging and radiotherapy. We are particularly interested in 64Cu (T1/2 = 12.7 hours), in large part because it emits beta+ particles for positron emission tomography (PET) imaging and beta- particles for targeted radiotherapy. We are also investigating 68Ga (T1/2 = 68 min) as a generator-produced positron-emitting radionuclide. The agents we are studying are 64Cu- and 68Ga-labeled chelator-peptide and monoclonal antibody conjugates for imaging and/or therapy of various types of cancer. One area of investigation in our laboratory is the development of radiolabeled alpha vs. beta 3 integrin ligands as PET agents for imaging bone metastasis. We have developed one agent, 64Cu-CB-TE2A-c(RGDyK), that specifically binds to alpha vs. beta 3 integrin in osteoclasts, which are bone resorbing cells that are present in high concentration in osteolytic bone lesions. This agent may be able to earlier detect painful, debilitating bone lesions associated with breast cancer, and multiple myeloma, as well as be used to determine early response to treatment of bone lesions associated with these diseases. Another area of focus for our lab is investigating imaging agents that target cell types, other than tumor cells, involved in cancer metastasis. For example, we are targeting integrin alpha 4 beta 1 as a marker of bone marrow derived cells that home to sites of metastasis prior to tumor cells as part of the pre-metastatic niche. We are also investigating immune cell types, such as macrophages, neutrophils and T-cells and their role in cancer and other diseases.
Craig Byersdorfer
Contact:
Children's Hospital, Suite 5121
4401 Penn Avenue
Pittsburgh PA
Phone: 412-692-6664
Robert Edwards, MD
Contact:
204 Craft Avenue
Pittsburgh PA
Phone: 412-641-8556
Research Interests and Keywords:
  • Ovarian cancer
  • cervical cancer
  • gynecologic malignancies
  • intraperitoneal chemotherapy
  • immunotherapy
  • clinical trials
Summary
Dr. Edwards' research interests include cervical and ovarian malignancies. He serves as principle investigator of the Gynecologic Oncology Group for the University of Pittsburgh and for a number of pharmaceutical-sponsored studies. He also serves on the Cancer Vaccine Committee, which experiments with novel therapeutic approaches to gynecologic malignancies and produces translational research.

Three specific targets of Dr. Edwards' research include: 1) vaccine therapies for cervical and ovarian cancer; 2) combining biologic and immunologic therapies with traditional therapies in the treatment of women's cancer; and 3) intraperitoneal therapy.

Louis Falo, MD, PhD
Contact:
450 Technology Drive
Suite 300
Pittsburgh PA
Phone: 412-864-3760
Research Interests and Keywords:
  • Melanoma
  • skin cancer
  • immunotherapy
  • cancer vaccines
  • dendritic cells
Summary
Dr. Falo is actively involved in a variety of research projects focused on the prevention and treatment of melanoma and skin cancers, and has research expertise in the areas of cutaneous drug delivery, radioprotection, immunobiology, vaccine design, antigen processing and presentation, dendritic cell biology, and molecular immunobiology and immunotherapy.
Olivera Finn, PhD
Contact:
E1044 BST (Office)
Pittsburgh PA
Research Interests and Keywords:
  • Cancer vaccines
  • tumor-specific immunity
Dario Vignali, PhD
Contact:
99999
Pittsburgh PA
Research Interests and Keywords:
  • Regulatory T cells
  • tumor immunology
  • cytokine signaling
Hassane Zarour, MD
Contact:
Hillman Cancer Center, Research Pavilion
5117 Centre Avenue Lab 1.32a
Pittsburgh PA
Phone: 412-623-3244
Research Interests and Keywords:
  • Cancer immunology
  • cancer immunotherapy
  • melanoma
  • skin cancer
Summary
Hassane Zarour, MD is a dermatologist and cancer immunologist whose research focuses on basic and translational human cancer immunology in the melanoma field. His work has led to the identification of novel melanoma MHC class II-presented epitopes that have been used in investigator-initiated trials at UPMC Hillman Cancer Center as well as in multi-center trials. Most recently, Dr. Zarour's work has contributed to elucidating the role of inhibitory receptors in promoting melanoma-induced T cell dysfunction in the tumor microenvironment. These findings led to the development of novel antibodies targeting inhibitory receptors for clinical trials. Dr. Zarour actively contributes to the design and the implementation of novel investigator-initiated trials based on laboratory findings, including two melanoma vaccine trials funded by the Cancer Research Institute and the National Cancer Institute, respectively. He is the lead scientific investigator on the Hillman Skin Cancer SPORE Project 3 that is testing the novel combination of BRAF inhibitor (BRAFi) therapy with high-dose interferon for metastatic V600E positive melanoma. He is also testing a novel combination of an anti-PD-1 antibody (MK 3475/Pembrolizumab) and PEG-interferon with grant support from an academic-industry award of the Melanoma Research Alliance.
David Bartlett, MD
Contact:
Hillman Cancer Center
5115 Centre Avenue 1.46 HCCLB
Pittsburgh PA
Phone: 412-623-7723
Research Interests and Keywords:
  • Tumor selective oncolytic vaccinia viruses
  • immunotherapy
  • regional cancer therapies
  • HIPEC
  • peritoneal surface malignancies
  • translational research
  • peritoneal mesothelioma
  • therapeutic cancer vaccines
Summary
Although my overall group is very active in a wide range of clinical trials and translational/clinical research, my specialty is in the regional delivery of chemotherapy to manage regionally confined, unresectable metastatic cancers, and my laboratory-based program is in the development of oncolytic viruses for regional therapy. I have developed tumor selective oncolytic vaccinia viruses that have been tested in pre-clinical models and clinical trials and have a successful history of transitioning benchtop findings into clinical trial applications.
Greg Delgoffe, PhD
Contact:
Hillman Cancer Center, Suite 2.26e
5115 Centre Ave
Pittsburgh PA
Phone: 412-623-4658
Research Interests and Keywords:
  • Tumor immunology
  • regulatory T cells
  • immunometabolism
  • cancer immunotherapy
Summary

In recent years, the decades-long promise of tumor immunotherapy has finally begun to come to fruition. Checkpoint blockade, for example, represents a critically important intervention for potentiating the antitumor immune response. In these therapies, blockade of T cell intrinsic negative regulators (such as CTLA-4 and PD-1 signaling) releases the brake on effector T cells in the tumor, resulting in substantial, durable antitumor immunity, and clinical responses.

While negative regulators on the effector T cells can be relieved through these interventions, effector T cells still face a variety of cell extrinsic modes of immune suppression, notably through suppression via regulatory T (Treg) cells. Treg cells play critical roles in preventing autoimmune responses to self tissues as well as limiting immunopathology during exuberant immune responses. However, Treg cells represent a major barrier to antitumor immunity. Many tumors recruit, activate, and expand large numbers of Treg cells, which can be specific for any number of normal, self antigens expressed by the tumor. While depletion of total Treg cells can result in autoimmune pathologies, inhibition of Treg cell stability or function has been shown to allow for local inhibition of Treg cell suppression in the tumor, while sparing normal tissues from an autoimmune response.

Thus, finding phenotypic, signaling, or functional parameters that distinguish intratumoral Treg and conventional T (Tconv) cells could shed light on mechanisms by which Treg cells could be targeted to allow for a greater antitumor response. Recent studies have found that Tconv and Treg cells have distinct metabolic requirements. Not unlike cancer cells, conventional T cells undergo aerobic glycolysis (the 'Warburg effect') when undergoing robust expansion. However, regulatory T cells utilize alternative sources of fuel. Our initial findings in the laboratory suggest that not only do intratumoral Treg cells utilize distinct fuel from their conventional brethren, but engage different metabolic pathways from Treg cells in normal tissues and lymphoid organs. This suggests that metabolic pathways, or their downstream targets, could be targeted in order to inhibit intratumoral Treg cells specifically, releasing a crucial cell extrinsic brake on the antitumor immune response. The goal is to provide alternative modalities of therapy that could be utilized alone or in combination with other immunotherapeutic strategies, to allow for robust and durable immune responses for the eradication of cancer.

Leisha Emens, MD, PhD
Contact:
UPMC Hillman Cancer Center, Research Pavilion
Suite 1.46e, 5117 Centre Ave.
Pittsburgh PA
Phone: 412-623-3239
Robert Ferris, MD, PhD
Contact:
UPMC Hillman Cancer Center
Cancer Pavilion, Suite 500 5150 Centre Ave.
Pittsburgh PA
Research Interests and Keywords:
  • Antigen presentation
  • cancer vaccines
  • CXC chemokines
  • immunotherapy
  • squamous cell carcinoma
  • head and neck cancer
  • tumor microenvironment
  • viruses and cancer
  • HPV
Summary

Dr. Ferris's laboratory is focused on understanding basic immunological mechanisms of the T lymphocyte response to cancer, for the development of novel immunotherapeutic approaches to head and neck cancers (HNC). Tumor vaccine clinical trials are currently underway and new strategies are in development. We are particularly interested in the immune response to human papillomavirus (HPV)-associated head and neck cancer, which appears to be a distinct subgroup of head and neck squamous cell carcinomas. Monitoring the successful immune effects of individuals treated with immunotherapy is a major effort, in order to develop improved generations of vaccine approaches. We are also studying tumor induced immune evasion, such as defective antigen processing and presentation to subvert cytotoxic T lymphocyte recognition of tumors.

Another area of study involves the promotion of tumor metastasis by a family of molecules called chemokines. We are finding important roles for chemokine receptors in cancer metastasis. These chemokines are small, secreted molecules that mediate homing and recruitment of immune cells in response to inflammation, through a family of G-protein linked receptors. Overall, these studies are designed to identify the chemokines relevant to progression of HNC and to provide initial data on their possible clinical utility as components of future vaccination therapies for HNC. In addition, our group is interested in developing immune/inflammatory biomarkers present in the bloodstream for HNC detection, and monitoring in populations at risk for cancer recurrence and/or second primary tumors.

Jing-Zhou Hou
John Kirkwood, MD
Contact:
Hillman Cancer Center
UPCI Research Pavilion 5117 Centre Avenue, Suite 1.32
Pittsburgh PA
Phone: 412-623-3243
Research Interests and Keywords:
  • Melanoma
  • immunology
  • immunotherapy
  • interferon
  • cancer vaccines
  • clinical trials
Summary
The Kirkwood laboratory is engaged in the study of melanoma immunobiology, and the assessment of multiple new immunomodulators in the context of trials conducted by the Hillman Melanoma Program, and the SPORE in Melanoma and Skin Cancer, as well as the International Melanoma Working Group. The study of predictive and prognostic biomarkers of melanoma complements the studies of molecular inhibitors of melanoma signaling and immunomodulatory agents given alone and in combination with one another.

Yana Najjar
Contact:
UPCI Research Pavilion at Hillman Cancer Center, Suite 1.32e
5117 Centre Avenue
Pittsburgh PA
Phone: 412-623-2294
Theresa Whiteside, PhD
Contact:
Hillman Cancer Center
1.27d
Pittsburgh PA
Research Interests and Keywords:
  • Tumor immunology
  • cancer immunotherapy
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