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Dr. Tal Korem Named an Early Career Global Scholar

Tal Korem, PhD
Dr. Tal Korem

Tal Korem, PhD, has been named a CIFAR Azrieli Global Scholar, a fellowship that supports leading early-career researchers in science and technology. 

Dr. Korem is an assistant professor of systems biology with a joint appointment in obstetrics and gynecology at Columbia University Vagelos College of Physicians & Surgeons, and a faculty member of the Program for Mathematical Genomics . As a global scholar, he is joining CIFAR’s Humans and the Microbiome research program, where his work will focus on harnessing human microbial communities to identify and develop novel diagnostic and therapeutic tools.

CIFAR’s  Azrieli Global Scholars program supports its fellows through funding and mentorship, emphasizing essential network and professional skills development. The scholars join CIFAR research programs for a two-year period where they collaborate with fellows and brainstorm new approaches to pressing science and technology problems. Research topics are diverse, ranging from bio-solar energy and visual consciousness to engineered proteins and the immune system. 

Dr. Korem is one of 14 researchers out of an applicant pool of 217 selected by the Canadian-based nonprofit organization. This year’s cohort represents citizenship in eight countries and appointments in institutions from Canada, the U.S.,  Israel, Australia, the Netherlands, and Spain.

-Melanie A. Farmer

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The Wang Lab Wins DARPA Grant to Boost the Body’s Resilience to Radiation

Dr. Harris Wang of Systems Biology
Dr. Harris Wang is lead PI on a new DARPA-funded project developing novel therapies to counter effects of high-dose ionizing radiation.

Harris Wang, PhD, assistant professor of systems biology at Columbia University Irving Medical Center , is leading a team of experts in radiation research, CRISPR-Cas technologies, and drug delivery on an innovative new project announced June 27 funded by the Defense Advanced Research Projects Agency (DARPA) . The up to $9.5M project focuses on pursuing a therapy to protect the body from the effects of high-dose ionizing radiation, and is part of DARPA's initiative to fund research into new strategies to combat public health and national security threats.

In humans, acute radiation syndrome primarily affects stem cells in the blood and gut, yet existing treatments only help to regenerate blood cells, and only with limited effect. There is no possibility for prophylactic administration of these drugs, and most must be delivered immediately following radiation exposure to provide any benefit. There are no existing medical countermeasures for radiation damage to the gut.

The Columbia team aims to develop an orally delivered programmable gene modulator therapeutic. The multimodal treatment the team envisions would take hold in both the gut and liver, triggering protection and regeneration of intestinal cells, while also inducing liver cells to produce protective cues that trigger the regeneration of blood cells in bone marrow.

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Making Strides in Mapping the Human Cell Atlas

Columbia investigators win Chan Zuckerberg Initiative grants to accelerate development of cellular roadmap of the human body.

In two groundbreaking research projects contributing to the Human Cell Atlas, Columbia University scientists are tasked with mapping complete cells in the immune system and the human spine. The global effort is aiming to identify and define every cell type of the human body and create a collection of maps for navigating the cellular basis of human health and disease.

Peter Sims, PhD
Peter Sims, PhD, assistant professor of systems biology

The Columbia teams, which include co-principal investigators from the Department of Systems Biology Drs. Peter Sims and Raul Rabadan , are among the 38 collaborative science teams launching the Chan Zuckerberg Initiative’s (CZI) Seed Networks for the Human Cell Atlas project announced today. The three-year projects, receiving a total of $68 million in award funding by Seed Networks, are collaborative groups that are bringing together expertise in science, computational biology, software engineering, and medicine to support the ongoing progress of the Human Cell Atlas .

Investigating the Immune System + Aging

Dr. Sims, part of an international team including close collaborator Dr. Donna Farber of the Department of Surgery , is combining single-cell sequencing technologies, data analysis, and immunology expertise to better understand how the immune system ages and gain new insights into how human diseases occur. 

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Dr. Tuuli Lappalainen Receives Distinguished Faculty Award

Tuuli Lamport Research Award

Tuuli Lappalainen, PhD, was honored with the Lamport Research faculty award at the 2019 Commencement ceremony. Dr. Lappalainen is pictured here with Columbia University Trustee Andrew Barth (left) and Dean Lee Goldman of Columbia University Irving Medical Center. (Courtesy of CUIMC Communications)

Tuuli Lappalainen , PhD, assistant professor of systems biology at Columbia University and core faculty member at the New York Genome Center (NYGC) , has received the Harold and Golden Lamport Research award, presented on May 22 at the Vagelos College of Physicians and Surgeons Commencement Ceremony. 

The Lamport Research award is an annual prize given to junior faculty members that show promise in basic science or clinical science research. This year it recognizes Dr. Lappalainen’s ongoing research in functional genetic variation in human populations, and her work in elucidating the cellular mechanisms linked to genetic risk for various diseases and traits. Dr. Lappalainen and her lab combine computational analysis of high-throughput sequencing data, human population genetics approaches and experimental work. 

Her group at NYGC and Columbia is highly collaborative and has made important contributions to several international research consortia in human genomics, including the Genotype Tissue Expression (GTEx) Project and the TOPMed Consortium. 

Dr. Lappalainen joined the faculty at Columbia University in 2014 as part of the Department of Systems Biology and NYGC. In 2018, she received the annual Leena Peltonen Prize for Excellence in Human Genetics, which was presented to her in Milan, Italy, at the 52nd European Society of Human Genetics meeting. 

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Identifying High-Risk Factors of Pancreatic Cancer

Dr. Raul Rabadan is leading a global research project as part of a new grant from the Pancreatic Cancer Collective to identify high-risk factors of pancreatic cancer. (Courtesy of Stand Up to Cancer)

A global team of researchers led by theoretical physicist Raul Rabadan, PhD, professor of systems biology at Columbia’s Vagelos School of Physicians and Surgeons, and Núria Malats, MD, PhD, head of the Genetic and Molecular Epidemiology Group of the Spanish National Cancer Research Centre (CNIO), are working to develop a comprehensive computational framework that will identify high-risk factors for pancreatic cancer.  

Armed with a new two-year, $1 million grant from the Pancreatic Cancer Collective, the team intends to attack pancreatic cancer research from multiple disciplines—genomics, mathematics and medicine—to provide an integrated, computational approach to studying genomic, environmental and immune factors that could identify populations at high risk of pancreatic cancer. The need for deeper understanding of the contributing factors to this lethal disease is pressing, as pancreatic cancer is projected to become the second leading cause of cancer-related mortality within the next decade. 

Rabadan-led Team for Pancreatic Cancer Collective
Drs. Raul Rabadan and Nuria Malats

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Harris Wang’s Lab Receives Funding from the Gates Foundation to Study Childhood Mortality in Sub-Saharan Africa

Wang Lab
Ravi Sheth (left) and Harris Wang, PhD

Dr. Harris Wang , PhD, and systems biology graduate student, Ravi Sheth , have been awarded a new grant from the Bill and Melinda Gates Foundation to help advance a global health project aimed at reducing childhood mortality in sub-Saharan Africa. The project incorporates Dr. Wang’s innovative microbiome research techniques and applies them to study the antibiotic, Azithromycin, towards understanding its role as an intervention for improving childhood survival rates in rural low-income, low-resource settings.

The study supported by the Gates grant expands on breakthrough research conducted in the MORDOR study , a cluster-randomized trial in which communities in Malawi, Niger and Tanzania were assigned to four twice-yearly mass distributions of either oral Azithromycin or placebo. Children, as young as 12 months of age, participated, and results indicated that the all-cause mortality rate was significantly lower for communities receiving the antibiotic versus placebo. 

“This is an extremely exciting and, in many ways, very surprising result for such an underserved population,” says Sheth, who is a fourth-year PhD student in the systems biology track at Columbia University Irving Medical Center (CUIMC) . “Now it is crucial to understand how Azithromycin is acting to increase survival in such a profound way – to aid scale-up of the intervention and to help optimize the treatment regime and minimize any unintended consequences.” 

The researchers will focus on developing a mechanistic understanding of how Azithromycin reshapes the gut microbiome, and how this altered microbiome state affects the host. The effect of the antibiotic will be studied over space and time to understand the perturbation to the gut ecosystem and resulting community re-configuration and re-assembly, and this information will be utilized to predict and test optimal dosing strategies. 

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Advancing the Use of Single-Cell Technology for Novel Brain Cancer Treatment

Peter Sims, PhD
Peter Sims, PhD

The Mark Foundation for Cancer Research has awarded Peter Sims , PhD, an Emerging Leader Award and will support his work to advance a novel use of single-cell RNA sequencing to develop brain cancer treatments. Dr. Sims, assistant professor of systems biology at Columbia University Irving Medical Center, is one of just eight recipients of the inaugural grant, given to promising early career scientists for projects aimed at substantially unmet needs in cancer risk prediction, prevention, detection and treatment. 

Dr. Sims is an early contributor to the emerging field of large-scale single-cell RNA sequencing, which has made it possible to analyze tens of thousands of cells while simultaneously obtaining imaging and genomic data from each individual cell. He will be using this approach to improve patient-derived models of glioblastoma multiforme (GBM), an aggressive form of cancer that invades the brain, making complete resection difficult. In other words, making it extremely difficult in surgery to remove all cancerous cells from the brain. To date, drug therapies for this type of aggressive brain cancer have had limited success, partly because of the heterogeneity of these tumors. Furthermore,  current patient-derived models for researching glioblastoma do not fully recapitulate the cellular diversity of tumor cells that are present in the tumor, so it is extremely challenging to classify those cells in order to match them with the drug therapies that work. 

Indeed, there is a critical need to better characterize and understand GBM. Dr. Sims has collaborated with several brain tumor experts in the Herbert Irving Comprehensive Cancer Center , including Drs. Peter Canoll, Jeffrey Bruce, Antonio Iavarone and Anna Lasorella to advance single-cell genomic approaches to characterizing this disease. Approaching this problem at the single cell level could result in development of novel treatments that  prioritize and identify the specific drug therapies that may actually work on diminishing these tumor cells. The ultimate goal is to attain better predictions of therapeutic efficacy. 

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Columbia Team Awarded New Prostate Cancer Grant for Innovative Precision Cancer Research

A research team from Columbia University Irving Medical Center has received a 2018 PCF Challenge Award from the Prostate Cancer Foundation (PCF) to advance prostate cancer research. The interdisciplinary team at Columbia includes leading experts in systems biology, cancer research and medicine from Columbia’s Department of Systems Biology and the Herbert Irving Comprehensive Cancer Center (HICCC). 

Announced today, PCF is awarding more than $5.5 million in funding to a total of six teams to conduct research with the highest potential for accelerating new and improved treatments for advanced prostate cancer. PCF is one of the largest non-governmental organizations dedicated solely to funding prostate cancer research, and its annual Challenge Awards are highly coveted in the scientific and medical fields. 

In the United States, prostate cancer is the most common non-skin cancer, and 1 out of every 9 men in the U.S. will be diagnosed with the disease in his lifetime. To date, treatment of the most aggressive forms of prostate cancer represents a clinical challenge. After treatment failure with anti-androgen drugs, which are part of the standard of care for advanced metastatic prostate cancer, only few current therapeutic options remain and the impact on patient survival is limited. Indeed, the field needs major innovative, out-of-the-box approaches to new therapies to combat advanced prostate cancer. 

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Postdoc Suying Bao Named Precision Medicine Fellow

Suying Bao, PhD
Suying Bao, PhD

Suying Bao, a postdoctoral research scientist in the Chaolin Zhang lab , has been named an inaugural Precision Medicine Research fellow by Columbia’s Irving Institute of Clinical and Translational Research . The two-year fellowship aims to train postdocs to use genomics and complex clinical data to improve personalized and tailored clinical care and clinical outcomes. 

This fellowship “will provide me with more opportunities to translate my findings from basic science research into clinical application,” says Bao, “and pave my way towards an independent researcher in this field.” 

Bao’s expertise lies in RNA regulation at the interface of systems biology, ranging from the specificity of protein-RNA interaction to function of specific splice variants. RNA regulation is critical in proper cellular function; gaining deeper insights into this complex molecular mechanism will promote the development of precision medicine therapies. 

In this project, Bao is aiming to develop new approaches to identify causal noncoding regulatory variants (RVs) modulating post-transcriptional gene expression regulation, such as RNA splicing and stability.  “A majority of genetic variants associated with human diseases reside in noncoding genomic regions with regulatory roles,” notes Bao. “Thus, elucidating how these noncoding regulatory variants contribute to gene expression variation is a crucial step towards unraveling genotype-phenotype relationships and advancing precision medicine for common and complex diseases.”

To identify these RVs, she will leverage massive datasets of high-throughput profiles of gene expression and protein-RNA interactions generated from large cohorts of normal and disease human tissues and cell lines by multiple consortia, such as ENCODE, GTEx and CommonMind, and develop innovative computational methods of data mining. 

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Hyundai Awards Columbia Team $2.5M Grant to Advance Pediatric Cancer Research

Hyundai $2.5M Grant to Columbia
Julia Glade Bender, MD, (center) at the Hyundai Hope on Wheels announcement Mar. 29 during the New York International Auto Show at the Jacob Javitz Center. (Photo courtesy of HHOW)

A team of researchers at Columbia University Irving Medical Center (CUIMC) has recently been awarded a five-year $2.5 million grant from Hyundai Hope on Wheels (HHOW) to fund innovative pediatric cancer research. 

The team at Columbia is being led by principal investigator (PI), Julia Glade Bender , MD, associate professor of pediatrics at CUIMC, with co-PIs Andrea Califano , Dr, chair of Columbia’s Department of Systems Biology and Darrell Yamashiro , MD, PhD, director of pediatric hematology, oncology and stem cell transplantation, along with researchers from Memorial Sloan Kettering, University of San Francisco Children’s and Dana-Farber Cancer Center. 

The Quantum Collaboration award from HHOW is aimed at funding research focused on childhood cancers with poor prognosis. At Columbia, the team will target osteosarcoma, the most commonly diagnosed bone tumor in children and adolescents. No new treatment approaches have successfully been introduced for osteosarcoma in nearly 40 years, and patients with the disease have not benefited from recent breakthroughs like immunotherapy or DNA sequencing and require a shift in the understanding and approach to therapy. 

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Michael Shen Wins Cancer Research Innovation Award

Michael Shen, PhD
Michael Shen, PhD (Image Courtesy of the Shen Lab)

The Bladder Cancer Advocacy Network (BCAN) has awarded Professor Michael Shen, PhD, the 2018 Bladder Cancer Research Innovation Award. The honor is given to scientists whose novel, creative research has great potential to produce breakthroughs in the management of bladder cancer.  

Dr. Shen, who is professor of medicine, genetics & development, urology and systems biology at Columbia University, has used new techniques of 3D cell culture to establish “organoids” from primary bladder tumors obtained from patients. These personalized laboratory models, which the Shen lab can create in a matter of weeks, provide a new, innovative way to study the molecular mechanisms associated with drug response and drug resistance in bladder cancer patients. 

The BCAN award supports the Shen lab’s efforts in furthering their work in patient-derived bladder tumor organoids . 

“We will employ these organoid lines to examine how specific oncogenic drivers may regulate the invasiveness and metastatic ability of muscle-invasive bladder cancer (MIBC), both in cell culture and in mouse models,” says Dr. Shen. “Our goal is to use these new experimental approaches to provide molecular insights into the lethal properties of human MIBC, which will hopefully lead to improved therapeutic approaches.”

Bladder cancer is the fifth most common cancer in the United States, and the primary treatment of the disease is surgery. Overall, this new project will examine central questions of bladder cancer biology using Dr. Shen’s innovative approach involving patient-derived tumor organoids, and may provide the basis for future therapies for metastatic bladder cancer.

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Molly Przeworski Recognized for Outstanding Teaching and Mentorship

Molly Przeworski Distinguished Columbia Faculty Award
Molly Przeworski

Molly Przeworski, PhD , professor of  biological sciences and of systems biology , has received the Distinguished Columbia Faculty Award for exceptional teaching. A leading population geneticist, Dr. Przeworski is one of eight recipients of the annual award, which recognizes faculty across a range of academic activities, including scholarship, University citizenship and professional involvement, with an emphasis on the instruction and mentoring of undergraduate and graduate students. 

The recipients this year were presented with the award at an April 11 event held at Columbia’s Italian Academy.

“It is wonderful to see the work we do teaching and mentoring graduate students recognized,” says Dr. Przeworski. “I have been really lucky to attract phenomenal students and postdocs, and find that interacting with them is one of the most rewarding aspects of what I do.”

According to one undergraduate referred to in the award citation, Dr. Przeworski “is definitely one of the best teachers I have ever been taught by.” The student also described her lectures as “well-designed” to build a keen understanding of and active engagement with the material. Columbia also lauded her for helping to launch the first annual New York area meeting in population genetics, successfully connecting researchers of varying career stages.

Dr. Przeworski's work aims to understand how natural selection has shaped patterns of genetic variation, and to identify the causes and consequences of variation in recombination and mutation rates, in humans and other organisms. She is the recipient of the Howard Hughes Medical Institute Early Career Scientist award, the Rosalind Franklin Young Investigator award, the Friedrich Wilhelm Bessel Research award and an Alfred P. Sloan fellowship. 

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Gaining Momentum on the Human Cell Atlas

Andrea Califano
Andrea Califano, Dr, chair of Columbia's Department of Systems Biology

The Chan Zuckerberg Initiative (CZI) has awarded Andrea Califano, Dr, a new grant in support of his work to develop a comprehensive library of regulatory interactions within molecularly defined cellular populations and molecular determinants (master regulators) of individual cells’ state. This will arm scientists with a unique resource to study biology at the individual cell level and to gain further insight into the fundamental understanding of molecularly distinct cell types.

With the support of CZI, founded by Facebook CEO Mark Zuckerberg and his wife, Priscilla Chan, Dr. Califano, chair of Columbia’s Department of Systems Biology, and his group will apply their computational methods that accurately and systematically measure and analyze regulatory interaction at the single cell level to elucidate distinct cellular states and to establish both cell-state markers, as well as the proteins that are causally responsible for implementing that state. 

A critical advantage offered by the approaches that the Califano Lab brings to the CZI community is that of addressing one of the most critical issues in single cell biology characterization. Specifically, since the depth of transcriptional sequencing of single cells is generally a very small fraction of what can be achieved from bulk tissue, most of the genes are actually lost and only the 20% to 30% of the genes that are most highly expressed can be detected. This has been dubbed the gene dropout problem. By using the recently published metaVIPER algorithm, this problem is eliminated as regulatory networks are used to accurately infer the activity of 6,000 proteins that include all the critical players in cell state implementation and modulation, even if their RNA cannot be detected, thus fully addressing gene dropout and allowing much deeper investigation of single cell biology. 

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Two Faculty Win Vagelos Precision Medicine Pilot Award

Harmen and Tuuli
Harmen Bussemaker (left) and Tuuli Lappalainen

Harmen Bussemaker, PhD, and Tuuli Lappalainen, PhD, have received an inaugural Roy and Diana Vagelos Precision Medicine Pilot Award for a collaboration that will bridge quantitative genetics and mechanistic biology to obtain a mechanistic understanding of regulatory effects of genetic variants in humans.

Drs. Bussemaker and Lappalainen, both faculty in Columbia’s Department of Systems Biology, represent one of three winning proposals out of a pool of 56 applications. Their project titled, “Elucidating the tissue-specific molecular mechanisms underlying disease associations through integrative analysis of genetic variation and molecular network data”, will help to advance Columbia University’s efforts in precision medicine basic science research. 

As reported by Columbia Precision Medicine, the investigators’ research objectives include: to dissect the molecular mechanisms underlying tissue-specificity of genetic regulatory variants and to map network-level regulatory variants that cause protein-level transcription factor (TF) activity to vary between individuals. The investigators will infer TF activity based on DNA binding specificity models of human TFs, and use it as a tissue-specific parameter of the cellular environment. They will also map trans-acting genetic variants that affect TF activity (coined ‘aQTLs’ by one of the investigators) in each tissue. The investigators hope to elucidate which transcription factors are driving the functional impact and tissue specificity of any particular eQTL, genomic loci that contribute to variation in gene expression levels. 

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Novel Precision Medicine Trial for Metastatic Pancreatic Cancer

Courtesy of The Olive Lab

Shown here, a human pancreatic tumor stained with Masson's trichrome; Image credit: Dr. Kenneth Olive

The Lustgarten Foundation has awarded Columbia University’s Herbert Irving Comprehensive Cancer Center (HICCC) a three-year grant, as part of its Translational Clinical Program, to test a new precision medicine approach to the treatment of metastatic pancreatic cancer.

“The prevailing model in personalized cancer treatment is to attack the DNA mutations that are believed to be driving an individual patient’s tumor,” says principal investigator Kenneth P. Olive, PhD , assistant professor of medicine and pathology & cell biology at HICCC. “While this approach has been astonishingly effective for a handful of rare cancers, we expect it will only work for a very small fraction of patients with the most common types of cancer.”

Pancreatic ductal carcinoma (PDA)—the most common form of pancreatic cancer—is a case in point. Researchers have identified few genetic drivers in pancreatic tumors, and the most common driver ( KRAS ) is not easily targeted. Conservatively, only about 15 percent of PDA patients are likely to benefit from conventional DNA mutation-based precision medicine therapies and most of these will either not respond or will relapse with a drug-resistant form of the disease.

“Our study takes an entirely new approach,” says Dr. Olive. “Instead of looking at the mutations encoded in a tumor’s DNA, we analyze the tumor’s RNA. Since RNA is the tissue-specific ‘working copy’ of a cancer cell’s DNA, it’s a more accurate reflection of the genetic programs that are active in a tumor and critical for its survival. We can then match the patient to approved and investigational drugs that inhibit those programs.”

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Columbia, Broad Institute to Identify More Effective Therapies for Gastric and Esophageal Cancers

Broad, Columbia collaborators
Three of the investigators in new Columbia, Broad Institute research collaboration aimed at gastric and esophageal cancer; L to R: Dr. Andrea Califano, Dr. Cory Johannessen, and Dr. Adam Bass (Johannessen image: Martin Adolfsson; Bass image: Sam Ogden/Dana-Farber Cancer Institute)

A research collaboration underway between Columbia’s Department of Systems Biology, the Broad Institute of MIT and Harvard, and Columbia University Medical Center (CUMC) is working to accelerate the discovery of new cancer drug combinations targeted at gastric and esophageal cancer. These tumors have not yet attracted prominent research focus and attention, and yet the general outcome for patients with these diseases is poor. According to the American Cancer Society, survival rates are only 20% at five years after diagnosis.

The newly formed research alliance between research teams at Columbia and at the Broad Institute came about thanks to a four-year gift by the Price Family Foundation, known for its philanthropic support of education, health, and biomedical research.

The Columbia-Broad team includes Dr. Andrea Califano , cofounder and chair of the Department of Systems Biology; Dr. Adam Bass , associate member of the Broad Institute; Dr. Cory Johannessen, senior research scientist at the Broad Institute; Dr. Josh Sonnett , the director of The Price Family Center for Comprehensive Chest Care, Lung and Esophageal Center at Columbia; and Dr. Naiyer A. Rizvi , the Price Chair in Clinical Translational Research at Columbia.

In 2016, the Price Family Foundation suggested that a team of scientists at the Broad Institute meet with researchers from CUMC. At the time, the Foundation was eager to leverage the project at the Broad—where researchers had uncovered an interesting finding for gastric and esophageal cancer—with innovative cancer systems biology work it was supporting at CUMC, focusing on the same diseases.

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Erin Bush Receives College of Physicians & Surgeons Officer of Research Award

Erin Bush Receives Award

Erin Bush with Department of Systems Biology Assistant Professor Peter Sims and College of Physicians & Sciences Dean Lee Goldman. (Photo: Amelia Panico)

The Department of Systems Biology is proud to congratulate Erin Bush on being selected for the Columbia University College of Physicians & Surgeons 2016 Officer of Research Award. The award is one of six given annually to recognize select staff members for their outstanding contributions in the workplace. Recipients of the 2016 were recognized in a ceremony that took place at Columbia University Medical Center on January 12, 2017.

Erin is a staff associate in the JP Sulzberger Columbia Genome Center and a sequencing specialist working in the laboratories of Peter Sims and Andrea Califano. She has been helping to develop new next-generation sequencing techniques, focusing on low input and single cell DNA and RNA library preparation and testing. As the CUMC Newsroom reports:

Noted for her technical skill and professionalism, Ms. Bush was honored for her work in the Department of Systems Biology, where her time and expertise are split among three laboratories. At the Sulzberger Columbia Genome Center, her efforts boosted efficiency at the sequencing core facility and enabled the core’s expansion. More recently, she helped develop an RNA-sequencing technology with the Califano and Sims labs that allows researchers to screen drugs for genetic effects at low cost and high throughput. The new technology is a promising tool for disease research and precision medicine and has led to multimillion-dollar federal grants within the department.

The P&S Annual Awards recognize one employee each in the categories of Management, Administration, Research, Clerical & Technical, Diversity, and Community Service.

Congratulations, Erin!

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Harris Wang Named Recipient of Presidential Early Career Award for Scientists and Engineers

Harris WangHarris Wang

Harris Wang has been named a recipient of the prestigious Presidential Early Career Award for Scientists and Engineers (PECASE). Dr. Wang is among 102 researchers recognized today by President Barack Obama as the newest recipients of this honor.

The PECASE is considered the United States’ highest award for young scientists and engineers, conferred annually at the White House at the recommendation of participating federal agencies. The award celebrates young researchers at the beginning of their independent research careers who show exceptional promise to lead at the frontiers of twenty-first century science and technology.

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Columbia Scientists Receive Grant to Integrate Clinical and Molecular Data

Integrating data sources

Clinical and molecular data are currently stored in many different databases using different semantics and different formats. A new project called DeepLink aims to develop a framework that would make it possible to compare and analyze data across platforms not originally intended to intersect. (Image courtesy of Nicholas Tatonetti.)

Medical doctors and basic biological scientists tend to speak about human health in different languages. Whereas doctors in the clinic focus on phenomena such as symptoms, drug effects, and treatment outcomes, basic scientists often concentrate on activity at the molecular and cellular levels such as genetic alterations, gene expression changes, or protein profiles. Although these various layers are all related physiologically, there is no standard terminology or framework for storing and organizing the different kinds of data that describe them, making it difficult for scientists to systematically integrate and analyze data across different biological scales. Being able to do so, many investigators now believe, could provide a more efficient and comprehensive way to understand and fight disease.

A new project recently launched by Nicholas Tatonetti (Assistant Professor in the Columbia University Departments of Systems Biology and Biomedical Informatics) along with co-principal investigators Chunhua Weng (Department of Biomedical Informatics) and Michel Dumontier (Stanford University), aims to bridge this divide. With the support of a $1.1 million grant from the National Center for Advancing Translational Science (NCATS) the scientists have begun to develop a tool they call DeepLink, a data translator that will integrate health-related findings at multiple scales.

As Dr. Tatonetti explains, “We want to close what we call the interoperability gap, a fundamental difference in the language and semantics used to describe the models and knowledge between the clinical and molecular domains. Our goal is to develop a scalable electronic architecture for integrating the enormous multiscale knowledge that is now available.”

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Columbia Awarded NCI Center for Cancer Systems Biology

Master regulators of tumor homeostasis

In this rendering, master regulators of tumor homeostasis (white) integrate upstream genetic and epigenetic events (yellow) and regulate downstream genes (purple) responsible for implementing cancer programs such as proliferation and migration. CaST aims to develop systematic methods for identifying drugs capable of disrupting master regulator activity.

The Columbia University Department of Systems Biology has been named one of four inaugural centers in the National Cancer Institute’s (NCI) new Cancer Systems Biology Consortium. This five-year grant will support the creation of the Center for Cancer Systems Therapeutics (CaST), a collaborative research center that will investigate the general principles and functional mechanisms that enable malignant tumors to grow, evade treatment, induce disease progression, and develop drug resistance. Using this knowledge, the Center aims to identify new cancer treatments that target master regulators of tumor homeostasis.

CaST will build on previous accomplishments in the Department of Systems Biology and its Center for Multiscale Analysis of Genomic and Cellular Networks (MAGNet), which developed several key systems biology methods for characterizing the complex molecular machinery underlying cancer. At the same time, however, the new center constitutes a step forward, as it aims to move beyond a static understanding of cancer biology toward a time-dependent framework that can account for the dynamic, ever-changing nature of the disease. This more nuanced understanding could eventually enable scientists to better predict how individual tumors will change over time and in response to treatment.

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