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Specialty:: Surgery
Department Affiliation:: Surgery
Hospital Affiliation:: Ronald Reagan UCLA Medical Center
UCLA Medical Center, Santa Monica
State License:: A109682
Phone:: 310-825-7163
Health Plans:: Accepted Plans

About Me

Dr. Yijun Chen grew up in Hunan, China. He attended Fourth Military Medical School in Xi’an, China. He came to US to do cancer research. He did his postdoctoral training in cancer biology at Stanford University. Dr. Chen completed his surgical residency training at Stanford University, where he found his passion to become a bariatric and minimally invasive surgeon. After finishing his bariatric fellowship at Duke University, he joined UCLA Department of Surgery. He enjoys connecting with and developing partnerships with patients.

Dr. Chen once lost 15 pounds in 3 months to lower his cholesterol. That experience helped him to develop great empathy for obese patients. After seeing many happy patients after weight loss surgery during his bariatric surgery rotation at Stanford, he decided to become a bariatric surgeon because he truly believes that bariatric surgery makes a huge difference for obese patients.

Links

Primary Office: Surgery - Westwood
Primary Address: 200 UCLA Medical Plaza
Suite 214
Los Angeles, California 90095
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Phone: 310-825-7163

Medical Board Certifications: Surgery, American Board of Surgery, 2014
Degree: The Fourth Military Medical University, , 1995

Interests

Achalasia
Bariatric Surgery
Cholecystectomy
Foregut Surgery
Fundoplication
Gallbladder
GERD (Gastroesophageal Reflux Disease)
Heller Myotomy
Hernia Repair (Inguinal Hernia)
Hernia Repair (Umbilical Hernia)
Hernia Repair (Ventral Hernia)
Hiatal Hernia
Lap Band adjustment and care
Laparoscopic Hernia Repair
Minimally Invasive Surgery
Revisional Bariatric Surgery
Robotic Surgery
Roux en Y Gastric Bypass Surgery
Vertical sleeve gastrectomy

Research Interests

The mechanism of cancer risk reduction of bariatric surgery.
The metabolic effects of bariatric surgery.

Publications

Dan Q, Sanchez R, Delgado C, Wepsic HT, Morgan K, Chen Y, et al. Non-immunogenic murine hepatocellular carcinoma Hepa1-6 cells expressing the membrane form of macrophage colony stimulating factor are rejected in vivo and lead to CD8+ T-cell immunity against the parental tumor. Molecular therapy : the journal of the American Society of Gene Therapy. 2001;4(5):427-37.
Williams CC, Trinh H, Tran TV, Dan Q, Sanchez R, Delgado C, et al. Membrane macrophage colony-stimulating factor on MADB106 breast cancer cells does not activate cytotoxic macrophages but immunizes rats against breast cancer. Molecular therapy : the journal of the American Society of Gene Therapy. 2001;3(2):216-24.
Chen Y, Douglass T, Jeffes EW, Xu Q, Williams CC, Arpajirakul N, et al. Living T9 glioma cells expressing membrane macrophage colony-stimulating factor produce immediate tumor destruction by polymorphonuclear leukocytes and macrophages via a "paraptosis"-induced pathway that promotes systemic immunity against intracranial T9 gliomas. Blood. 2002;100(4):1373-80.
Sanchez R, Williams C, Daza JL, Dan Q, Xu Q, Chen Y, et al. T9 glioma cells expressing membrane-macrophage colony stimulating factor produce CD4+ T cell-associated protective immunity against T9 intracranial gliomas and systemic immunity against different syngeneic gliomas. Cellular immunology. 2002;215(1):1-11.
Jadus MR, Chen Y, Boldaji MT, Delgado C, Sanchez R, Douglass T, et al. Human U251MG glioma cells expressing the membrane form of macrophage colony-stimulating factor (mM-CSF) are killed by human monocytes in vitro and are rejected within immunodeficient mice via paraptosis that is associated with increased expression of three different heat shock proteins. Cancer gene therapy. 2003;10(5):411-20.
Chen Y, Shi G, Xia W, Kong C, Zhao S, Gaw AF, et al. Identification of hypoxia-regulated proteins in head and neck cancer by proteomic and tissue array profiling. Cancer research. 2004;64(20):7302-10.
Chen Y, Feldman DE, Deng C, Brown JA, De Giacomo AF, Gaw AF, et al. Identification of mitogen-activated protein kinase signaling pathways that confer resistance to endoplasmic reticulum stress in Saccharomyces cerevisiae. Molecular cancer research : MCR. 2005;3(12):669-77.
Le QT, Kong C, Lavori PW, O'Byrne K, Erler JT, Huang X, et al. Expression and prognostic significance of a panel of tissue hypoxia markers in head-and-neck squamous cell carcinomas. International journal of radiation oncology, biology, physics. 2007;69(1):167-75.
Chen Y, Cairns R, Papandreou I, Koong A, Denko NC. Oxygen consumption can regulate the growth of tumors, a new perspective on the Warburg effect. PloS one. 2009;4(9):e7033.
Jatoi I, Benson JR, Liau SS, Chen Y, Cisco RM, Norton JA, et al. The role of surgery in cancer prevention. Current problems in surgery. 2010;47(10):750-830.
Chen Y, Kingham K, Ford JM, Rosing J, Van Dam J, Jeffrey RB, et al. A prospective study of total gastrectomy for CDH1-positive hereditary diffuse gastric cancer. Annals of surgical oncology. 2011;18(9):2594-8.
Norton JA, Harris EJ, Chen Y, Visser BC, Poultsides GA, Kunz PC, et al. Pancreatic endocrine tumors with major vascular abutment, involvement, or encasement and indication for resection. Archives of surgery. 2011;146(6):724-32.
Poultsides GA, Huang LC, Chen Y, Visser BC, Pai RK, Jeffrey RB, et al. Pancreatic neuroendocrine tumors: radiographic calcifications correlate with grade and metastasis. Annals of surgical oncology. 2012;19(7):2295-303.
Chen Y, Zak Y, Hernandez-Boussard T, Park W, Visser BC. The epidemiology of idiopathic acute pancreatitis, analysis of the nationwide inpatient sample from 1998 to 2007. Pancreas. 2013;42(1):1-5.

Awards

Arnold P. Gold Foundation's Humanism and Excellence in Teaching Award

Webinar URL: Vital Signs
Obesity Can Have Implications Specific to Women | UCLA Vital Signs

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