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KEEGAN CHRISTENSEN, MD
MD
Internal Medicine Physician
NPI: 1477449650Individual
Specialties, Licenses & Credentials
Internal Medicine PhysicianPrimary
Internal Medicine
Code: 207R00000X
2025022842(MO)
Research & Publications (20)
Nicotinamide riboside and nicotinic acid riboside salvage in fungi and mammals. Quantitative basis for Urh1 and purine nucleoside phosphorylase function in NAD+ metabolism.
PMID 19001417·J Biol Chem·2009
8-other
The MTHFD1 p.Arg653Gln variant alters enzyme function and increases risk for congenital heart defects.
PMID 18767138·Hum Mutat·2009
7-preclinical
Mitochondrial methylenetetrahydrofolate dehydrogenase, methenyltetrahydrofolate cyclohydrolase, and formyltetrahydrofolate synthetases.
PMID 18804703·Vitam Horm·2008
6-review
The six family of homeobox genes in development and cancer.
PMID 19055944·Adv Cancer Res·2008
6-review
Cell cycle regulation of the human Six1 homeoprotein is mediated by APC(Cdh1).
PMID 17130831·Oncogene·2007
8-other
Mitochondrial one-carbon metabolism is adapted to the specific needs of yeast, plants and mammals.
PMID 16700064·Bioessays·2006
6-review
Interaction of the 20 kDa and 63 kDa fragments of anthrax protective antigen: kinetics and thermodynamics.
PMID 15654761·Biochemistry·2005
8-other
Magnesium and phosphate ions enable NAD binding to methylenetetrahydrofolate dehydrogenase-methenyltetrahydrofolate cyclohydrolase.
PMID 16100107·J Biol Chem·2005
8-other
Disruption of the mthfd1 gene reveals a monofunctional 10-formyltetrahydrofolate synthetase in mammalian mitochondria.
PMID 15611115·J Biol Chem·2005
7-preclinical
Genetic and environmental influences on self-reported reduced hearing in the old and oldest old.
PMID 11890591·J Am Geriatr Soc·2001
4-observational
Do genetic factors contribute to the association between birth weight and blood pressure?
PMID 11449017·J Epidemiol Community Health·2001
4-observational
The X chromosome and the female survival advantage: an example of the intersection between genetics, epidemiology and demography.
PMID 11797856·Ann N Y Acad Sci·2001
6-review
Genetic and environmental influences on functional abilities in Danish twins aged 75 years and older.
PMID 10952367·J Gerontol A Biol Sci Med Sci·2000
4-observational
Larger intercellular variation in (Q/R) editing of GluR6 than GluR5 revealed by single cell RT-PCR.
PMID 11095522·Neuroreport·2000
7-preclinical
Cryptorchidism concordance in monozygotic and dizygotic twin brothers, full brothers, and half-brothers.
PMID 19022430·Fertil Steril·2010
4-observational
Monte Carlo tests of the Rasch model based on scalability coefficients.
PMID 19341515·Br J Math Stat Psychol·2010
8-other
Centenarians--a useful model for healthy aging? A 29-year follow-up of hospitalizations among 40,000 Danes born in 1905.
PMID 19627266·Aging Cell·2009
8-other
Good semen quality and life expectancy: a cohort study of 43,277 men.
PMID 19635736·Am J Epidemiol·2009
8-other
Effects of tonabersat on migraine with aura: a randomised, double-blind, placebo-controlled crossover study.
PMID 19570717·Lancet Neurol·2009
3-trial
Data courtesy of the U.S. National Library of Medicine (NLM). Ltrl is not affiliated with or endorsed by NLM.
Contact & Hours
- Address
- 1 BARNES JEWISH HOSPITAL PLZ
SAINT LOUIS, MO 63110 - Phone
- (314) 368-2503
Quick Facts
- NPI
- 1477449650
- Entity Type
- Individual
- Gender
- Male
- Medicare
- Not confirmed
- Specialties
- 1
- Locations
- 1
- Publications
- 20
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