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Ian Kerst Hornstra, MD, PhD

Assistant Professor, Medicine
Division of Dermatology
Chief of Dermatology, John Cochran Veterans Administration Medical Center

Specialty Areas

Dermatology

Board Certifications

Dermatology

Hospital Affiliations

Barnes-Jewish Hospital
VA Medical Center - St. Louis - John Cochran Division

Areas of Clinical Interest

Dermatology, dermatofibromas

  • Maps & Directions
  • Education
  • Publication & Research

Maps & Directions

Maps & Directions

VA Medical Center: John Cochran Division

915 North Grand Boulevard
St. Louis, MO 63106

Education

Education

Residency: Dermatology, Washington University School of Medicine, St. Louis, Missouri 1996
Ph.D.: Biochemistry and Molecular Biology, University of Florida, Gainsville Florida 1993
Medical Degree: University of Missouri-Kansas City School of Medicine 1986
B.A.: University of Missouri-Kansas City 1985

Publication & Research

Publication & Research

Mycobacterium ulcerans infection imported from Australia to Missouri, USA, 2012.
Thomas BS, Bailey TC, Bhatnagar J, Ritter JM, Emery BD, Jassim OW, Hornstra IK, George SL
Emerg Infect Dis. 2014 Nov; 20(11)1876-9. doi: 10.3201/eid2011.131534.

PMID:
    25341024
    [PubMed - indexed for MEDLINE]
Related citations


The Pro-regions of lysyl oxidase and lysyl oxidase-like 1 are required for deposition onto elastic fibers.
Thomassin L, Werneck CC, Broekelmann TJ, Gleyzal C, Hornstra IK, Mecham RP, Sommer P
J Biol Chem. 2005 Dec 30; 280(52)42848-55.

PMID:
    16251195
    [PubMed - indexed for MEDLINE]
Related citations


Lysyl oxidase is required for vascular and diaphragmatic development in mice.
Hornstra IK, Birge S, Starcher B, Bailey AJ, Mecham RP, Shapiro SD
J Biol Chem. 2003 Apr 18; 278(16)14387-93.

PMID:
    12473682
    [PubMed - indexed for MEDLINE]
Related citations


5-Azadeoxycytidine-induced chromatin remodeling of the inactive X-linked HPRT gene promoter occurs prior to transcription factor binding and gene reactivation.
Litt MD, Hansen RS, Hornstra IK, Gartler SM, Yang TP
J Biol Chem. 1997 Jun 6; 272(23)14921-6.

PMID:
    9169463
    [PubMed - indexed for MEDLINE]
Related citations


Multiple eruptive dermatofibromas in three men with HIV infection.
Ammirati CT, Mann C, Hornstra IK
Dermatology. 1997; 195(4)344-8.

PMID:
    9529554
    [PubMed - indexed for MEDLINE]
Related citations


In vivo footprinting and high-resolution methylation analysis of the mouse hypoxanthine phosphoribosyltransferase gene 5' region on the active and inactive X chromosomes.
Litt MD, Hornstra IK, Yang TP
Mol Cell Biol. 1996 Nov; 16(11)6190-9.

PMID:
    8887649
    [PubMed - indexed for MEDLINE]
Related citations


High-resolution methylation analysis of the human hypoxanthine phosphoribosyltransferase gene 5' region on the active and inactive X chromosomes: correlation with binding sites for transcription factors.
Hornstra IK, Yang TP
Mol Cell Biol. 1994 Feb; 14(2)1419-30.

PMID:
    8289817
    [PubMed - indexed for MEDLINE]
Related citations


High resolution methylation analysis of the FMR1 gene trinucleotide repeat region in fragile X syndrome.
Hornstra IK, Nelson DL, Warren ST, Yang TP
Hum Mol Genet. 1993 Oct; 2(10)1659-65.

PMID:
    8268919
    [PubMed - indexed for MEDLINE]
Related citations


In vivo footprinting and genomic sequencing by ligation-mediated PCR.
Hornstra IK, Yang TP
Anal Biochem. 1993 Sep; 213(2)179-93.

PMID:
    8238889
    [PubMed - indexed for MEDLINE]
Related citations


Multiple in vivo footprints are specific to the active allele of the X-linked human hypoxanthine phosphoribosyltransferase gene 5' region: implications for X chromosome inactivation.
Hornstra IK, Yang TP
Mol Cell Biol. 1992 Dec; 12(12)5345-54.

PMID:
    1448069
    [PubMed - indexed for MEDLINE]
Related citations


Characterization of the DNA-binding activity of GCR1: in vivo evidence for two GCR1-binding sites in the upstream activating sequence of TPI of Saccharomyces cerevisiae.
Huie MA, Scott EW, Drazinic CM, Lopez MC, Hornstra IK, Yang TP, Baker HV
Mol Cell Biol. 1992 Jun; 12(6)2690-700.

PMID:
    1588965
    [PubMed - indexed for MEDLINE]
Related citations