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Faculty Profile Last Modified Time: 11:23:45 AM Mon, 30 Mar 2020   Contact Information Melissa Aldrich Associated Profiles  Assistant Professor, Center for Molecular Imaging, UT Health Science Center at Houston   Sarofim Research Building, Room No.: 330D    Melissa.B.Aldrich@uth.tmc.edu     713.500.3565    Web Link    NIRF Imaging of Lymphatic Architecture and Function, Validation in the Context of Translation, Inflammatory Cytokine Effects on Systemic Lymphatic Function    Associated Profiles Professional Preparation Research and Expertise Affiliations Appointments  Professional Preparation  Degree Major Institution Year  PhD   The University of Texas Health Science Center at Houston 2003  Research and Expertise Research Interests   Dr. Aldrich's interests lie in investigating immune factors that influence lymphatic dysfunction and in translating lymphatic imaging technology to the clinic. Dr. Aldrich brings a combination of expertise in translational science and immunology to lead the program of lymphatic imaging, the circulatory system which is critical to immune surveillance and response. NIRF imaging promises to deliver high-resolution, low-cost images of lymphatic vessel architecture and pumping. In disease states such as lymphedema, manifested by severe limb swelling, NIRF imaging can provide information for diagnosis and evaluation of treatment efficacy. As part of a translation team, Dr. Aldrich has conducted clinical measurements that prove the usefulness of NIRF imaging to investigate lymphatic vessel architecture and function in health and disease. Her study of NIRF images of breast cancer-related lymphedema arms revealed that the severity of the disease worsens over time not only in the "affected" arms (that received surgical and/or radiological treatment associated with the side of breast cancer treatment), but also in the contralateral ("unaffected") arms. This work added evidence to other studies suggesting that lymphedema is a systemic, not just local, disease. Dr. Aldrich will lead a new five-year NIH-funded prospective study of breast cancer patients who are at high risk of developing lymphedema, investigating immunological changes that may contribute to lymphedema. Dr. Aldrich has also worked in NIRF imaging studies of primary, or genetic, lymphedema and rare fat-associated genetic disorders with lymphatic abnormalities. Dr. Aldrich recently conducted a study of pneumatic compression therapy (PCT) for lymphedema, and produced visual "proof" that this modality enables lymph movement in grades I, II, and III lymphedema patients. The Centers for Medicare/Medicaid and other major medical insurers have previously denied reimbursement for this therapy, pending proof of efficacy. These study results could enable provision of PCT for the millions of lymphedema patients in the U.S. "Translation" is a much-used term in research that stresses the importance of research that is relevant to medical practice. Truly crossing the "bench to bedside" chasm, however, requires skills that most basic science researchers are not taught. Dr. Aldrich is formally and practically trained in translation requirements. Understanding concepts such as validation of imaging devices and batch release of imaging agents enables researchers to discern which types of laboratory tests are necessary for moving a medical device or drug into the clinic. Working with research groups from several other institutions, Dr. Aldrich served as the leader of the NCI validation core that authored a consensus paper describing some of the translation efforts needed for validation of optical imaging devices and molecular imaging agents. This group was part of an effort by NCI to promote sharing and dissemination of translation practices amongst researchers. In addition, she produced a "validation" paper that devised and described a process for assuring optical imaging agent purity, a parameter for which there was no FDA guidance available. Besides the translational aspects, Dr. Aldrich is active in basic science investigations that employ the technologies she works to translate. She has investigated the effects of inflammation on lymphatic function in mice, and found that cytokines act as systemic mediators of lymphatic pumping through iNOS-associated mechanisms. Work by other groups has shown that inflammatory cytokines affect lymphatic function, but this study was the first to show that the effects are systemic, and defines a role for inflammation in some lymphatic diseases.  Publications/Creative Works Click here to search for this faculty member's publications on PubMed.  Affiliations  Research Consortia GCC Cluster NanoX Gulf Coast Consortia Immunology Cluster  Appointments Title Department / School Institution Assistant Professor Center for Molecular Imaging UT Health Science Center at Houston

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