Dr. Philip S. Guzelian MD
Gastroenterologist | Gastroenterology
1055 Clermont St Denver CO, 80220About
Dr. Philip Guzelian is a gastroenterologist practicing in Denver, CO. Dr. Guzelian specializes in the digestive system and its diseases that affect the gastrointestinal tract, which include organs from the mouth to the anus as well as liver disorders. Gastroenterology includes conditions such as hepatitis, peptic ulcer disease, colitis, nutritional problems and irritable bowel syndrome. Dr. Guzelian performs colonoscopy and endoscopy procedures and provides accurate and thorough care for patients suffering from digestive issues.
Education and Training
Univ of Wi Med Sch, Madison Wi 1967
New Jersey College of Dentistry 1967
Board Certification
Internal MedicineAmerican Board of Internal MedicineABIM
Provider Details
Expert Publications
Data provided by the National Library of Medicine- Ascorbic acid deficiency and cytochrome P-450 in adult rat hepatocytes in primary monolayer culture.
- Ascorbic acid deficiency and cytochrome P-450 in adult rat hepatocytes in primary monolayer culture.
- Humanized xenobiotic response in mice expressing nuclear receptor SXR.
- Identification by differential display of the IF1 inhibitor peptide of ATP synthase/ATPase as a gene inducible in rat liver by pregnenolone 16alpha-carbonitrile.
- Reciprocal activation of xenobiotic response genes by nuclear receptors SXR/PXR and CAR.
- Cyp3A regulation: from pharmacology to nuclear receptors.
- Degradation of cytochrome P-450 haem by carbon tetrachloride and 2-allyl-2-isopropylacetamide in rat liver in vivo and in vitro. Involvement of non-carbon monoxide-forming mechanisms.
- Degradation of cytochrome P-450 haem by carbon tetrachloride and 2-allyl-2-isopropylacetamide in rat liver in vivo and in vitro. Involvement of non-carbon monoxide-forming mechanisms.
- Ectopic expression of MHC class II genes (RT1.B(I) beta/alpha) in rat hepatocytes
- Regulation of a xenobiotic sulfonation cascade by nuclear pregnane X receptor (PXR).
- The clinical toxicology of chlordecone as an example of toxicological risk assessment for man.
- Characterization of human liver cytochromes P-450 involved in theophylline metabolism.
- Paradoxical transcriptional activation of rat liver cytochrome P-450 3A1 by dexamethasone and the antiglucocorticoid pregnenolone 16 alpha-carbonitrile: analysis by transient transfection into primary monolayer cultures of adult rat hepatocytes.
- Authority-based explanation.
- Regulation of cytochrome P-450b/e and P-450p gene expression by growth hormone in adult rat hepatocytes cultured on a reconstituted basement membrane.
Dr. Philip S. Guzelian MD's Practice location
Practice At 1055 Clermont St
1055 Clermont St -Denver, CO 80220Get Direction
Dr. Philip S. Guzelian MD's reviews
Write ReviewRecommended Articles
![]()
Can Liver Diseases Lead to Liver Cancer?What is a liver disease?Liver disease refers to medical complications that cause the liver to be damaged, making it unable to perform its functions properly. The liver is among the most valuable and life-sustaining organs in the body. The reason is that it carries out many important functions that...
![]()
Actress Jennifer Esposito Shares her Celiac Disease MisdiagnosisJennifer Esposito, the star of films like Crash and popular television shows like Spin City and NCIS, has been suffering in silent frustration for almost 25 years…until she found out about celiac disease from a doctor who would truly listen—and pay heed to what she was going through.Esposito...
- Is My Diarrhea Caused by Irritable Bowel Syndrome?
What is irritable bowel syndrome (IBS)?Irritable bowel syndrome (IBS) is a common gut disorder. Irritable bowel syndrome (IBS) is unlike inflammatory bowel disease and differs from other bowel conditions. It is a group of several symptoms such as abdominal pain, bloating, cramping, constipation,...
![]()
There May be a Link Between Migraines and Celiac DiseaseAs a little talked about topic within the celiac disease community, migraines and celiac disease can indeed go hand in hand. Diagnosing celiac disease and gluten sensitivities is almost never an easy task for both patients and healthcare providers alike. The relation between migraines and a...
![]()
Establish an Understanding of Ischemic ColitisColitis is a general term used to describe conditions that involve the inflammation of the colon. Anyone living with colitis knows how big of an impact it can make on one’s life. The most common symptom of all types of colitis is abdominal discomfort. People with colitis also frequently experience...
![]()
Does Celiac Disease Impact Hair Growth?As celiac disease (CD) continues to be a hot topic, more people are becoming to understand its many symptoms. Everyone knows that CD can cause gastrointestinal problems, headaches, skin issues, and weight loss. But, with all the ‘common’ and well-known symptoms, there is also a few not-so-well...
Nearby Providers
![]()
Robert Matthew Reveille16037 W Ellsworth Lane Golden Colorado 80401![]()
Dr. Scot Michael Lewey DO2535 S DOWNING ST DENVER CO 80210![]()
Dr. Brett Fortune M.D.12631 E 17th Ave Rm 7614 Aurora CO 80045![]()
Dr. Scott Hallgren D.O., F.A.C.P.80 Health Park Drive Louisville Colorado 80027![]()
Dr. Erik J Pieramici M.D10103 Ridgegate Pkwy Lone Tree CO 80124![]()
Dr. Stuart Kevin Amateau MD, PHD12605 E 16th Ave Aurora CO 80045
Nearest Hospitals
NATIONAL JEWISH HEALTHl
1400 JACKSON ST DENVER CO 80206