C
Chetan Bettegowda
Researcher at Johns Hopkins University School of Medicine
Publications - 321
Citations - 22638
Chetan Bettegowda is an academic researcher from Johns Hopkins University School of Medicine. The author has contributed to research in topics: Medicine & Cancer. The author has an hindex of 45, co-authored 249 publications receiving 17738 citations. Previous affiliations of Chetan Bettegowda include Howard Hughes Medical Institute & Duke University.
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Journal ArticleDOI
Detection of Circulating Tumor DNA in Early- and Late-Stage Human Malignancies
Chetan Bettegowda,Chetan Bettegowda,Mark Sausen,Rebecca J. Leary,Isaac Kinde,Yuxuan Wang,Nishant Agrawal,Nishant Agrawal,Bjarne Bartlett,Bjarne Bartlett,Hao Wang,Brandon Luber,Rhoda M. Alani,Emmanuel S. Antonarakis,Nilofer S. Azad,Alberto Bardelli,Henry Brem,John L. Cameron,Clarence Lee,Leslie A. Fecher,Leslie A. Fecher,Gary L. Gallia,Peter Gibbs,Dung T. Le,Dung T. Le,Robert L. Giuntoli,Michael Goggins,Michael D. Hogarty,Matthias Holdhoff,Seung-Mo Hong,Seung-Mo Hong,Yuchen Jiao,Hartmut Juhl,Jenny J. Kim,Giulia Siravegna,Daniel A. Laheru,Calogero Lauricella,Michael Lim,Evan J. Lipson,Suely Kazue Nagahashi Marie,George J. Netto,Kelly S. Oliner,Alessandro Olivi,Louise Olsson,Gregory J. Riggins,Andrea Sartore-Bianchi,Kerstin Schmidt,le-Ming Shih,Sueli Mieko Oba-Shinjo,Salvatore Siena,Dan Theodorescu,Jeanne Tie,Timothy T. Harkins,Silvio Veronese,Tian Li Wang,Jon D. Weingart,Christopher L. Wolfgang,Laura D. Wood,Dongmei Xing,Ralph H. Hruban,Jian Wu,Peter J. Allen,C. Max Schmidt,Michael A. Choti,Victor E. Velculescu,Kenneth W. Kinzler,Bert Vogelstein,Nickolas Papadopoulos,Luis A. Diaz,Luis A. Diaz +69 more
TL;DR: The ability of circulating tumor DNA (ctDNA) to detect tumors in 640 patients with various cancer types was evaluated and suggested that ctDNA is a broadly applicable, sensitive, and specific biomarker that can be used for a variety of clinical and research purposes.
Journal ArticleDOI
Detection and localization of surgically resectable cancers with a multi-analyte blood test
Joshua D. Cohen,Lu Li,Yuxuan Wang,Christopher J. Thoburn,Bahman Afsari,Ludmila Danilova,Christopher Douville,Ammar A. Javed,Fay Wong,Austin Mattox,Ralph H. Hruban,Ralph H. Hruban,Christopher L. Wolfgang,Michael Goggins,Marco Dal Molin,Tian Li Wang,Tian Li Wang,Richard B.S. Roden,Richard B.S. Roden,Alison P. Klein,Alison P. Klein,Janine Ptak,Lisa Dobbyn,Joy Schaefer,Natalie Silliman,Maria Popoli,Joshua T. Vogelstein,J.D. Browne,Robert E. Schoen,Randall E. Brand,Jeanne Tie,Peter Gibbs,Hui-Li Wong,Aaron S. Mansfield,Jin Jen,Samir M. Hanash,Massimo Falconi,Peter J. Allen,Shibin Zhou,Chetan Bettegowda,Luis A. Diaz,Cristian Tomasetti,Cristian Tomasetti,Kenneth W. Kinzler,Bert Vogelstein,Anne Marie Lennon,Nickolas Papadopoulos +46 more
TL;DR: A blood test that combines protein and DNA markers may allow earlier detection of eight common cancer types through assessment of the levels of circulating proteins and mutations in cell-free DNA.
Journal ArticleDOI
Exome sequencing of head and neck squamous cell carcinoma reveals inactivating mutations in NOTCH1
Nishant Agrawal,Mitchell J. Frederick,Curtis R. Pickering,Chetan Bettegowda,Kyle Chang,Ryan J. Li,Carole Fakhry,Tong Xin Xie,Jiexin Zhang,Jing Wang,Nianxiang Zhang,Adel K. El-Naggar,Samar A. Jasser,John N. Weinstein,Lisa R. Trevino,Jennifer Drummond,Donna M. Muzny,Yuanqing Wu,Laura D. Wood,Ralph H. Hruban,William H. Westra,Wayne M. Koch,Joseph A. Califano,Joseph A. Califano,Richard A. Gibbs,Richard A. Gibbs,David Sidransky,Bert Vogelstein,Victor E. Velculescu,Nickolas Papadopoulos,David A. Wheeler,Kenneth W. Kinzler,Jeffrey N. Myers +32 more
TL;DR: To explore the genetic origins of head and neck squamous cell carcinoma, whole-exome sequencing and gene copy number analyses were used to study 32 primary tumors and identified mutations in FBXW7 and NotCH1, suggesting that NOTCH1 may function as a tumor suppressor gene rather than an oncogene in this tumor type.
Journal ArticleDOI
Detection of circulating tumor dna in early and late stage human malignancies
Chetan Bettegowda,Mark Sausen,Rebecca J. Leary,Isaac Kinde,Nishant Agrawal,Bjarne Bartlett,Hao Wang,Brandon Luber,Kenneth W. Kinzler,Bert Vogelstein,Nickolas Papadopoulos +10 more
TL;DR: Digital PCR-based technologies used to evaluate the ability of circulating tumor DNA (ctDNA) to detect tumors in 640 patients with various cancer types suggest that ctDNA is a sensitive, specific and robust biomarker that can be used for a variety of clinical and research purposes in patients with several multiple different types of cancer.
Journal ArticleDOI
TERT promoter mutations occur frequently in gliomas and a subset of tumors derived from cells with low rates of self-renewal
Patrick J. Killela,Zachary J. Reitman,Yuchen Jiao,Chetan Bettegowda,Nishant Agrawal,Luis A. Diaz,Allan H. Friedman,Henry S. Friedman,Gary L. Gallia,Beppino C. Giovanella,Arthur P. Grollman,Tong-Chuan He,Yiping He,Ralph H. Hruban,George I. Jallo,Nils Mandahl,Alan K. Meeker,Fredrik Mertens,George J. Netto,B.K. Ahmed Rasheed,Gregory J. Riggins,Thomas A. Rosenquist,Mark Schiffman,Ie Ming Shih,Dan Theodorescu,Michael Torbenson,Victor E. Velculescu,Tian Li Wang,Nicolas Wentzensen,Laura D. Wood,Ming Zhang,Roger E. McLendon,Darell D. Bigner,Kenneth W. Kinzler,Bert Vogelstein,Nickolas Papadopoulos,Hai Yan +36 more
TL;DR: TERT and ATRX mutations were mutually exclusive, suggesting that these two genetic mechanisms confer equivalent selective growth advantages and provide a biomarker that may be useful for the early detection of urinary tract and liver tumors and aid in the classification and prognostication of brain tumors.