Katherine E. Williams, PhD

Katherine E. Williams, PhD

Assistant Professor, Department of Obstetrics, Gynecology, and Reproductive Sciences, UCSF


Phone: (415) 502-7502 (voice)
UCSF Box 0556, San Francisco, CA 94143-0556

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Cancer Center Membership

Associate Member » Breast Oncology


University of Illinois at Chicago, B.S., 1987, Biological Sciences
University of Illinois at Chicago, Ph.D., 1994, Biological Sciences
Argonne National Laboratory, Postdoc, 1997

Professional Experience

  • 1997-2001
    Research Associate, National Bio-Organic, Biomedical MS Resource, University of California, San Francisco (UCSF), CA
  • 2001-2003
    Specialist, Comprehensive Cancer Center, UCSF, CA
  • 2003-2008
    Senior Specialist, Applied Biosystems, CA
  • 2008-present
    Assistant Adjunct Professor, Sandler-Moore Mass Spectrometry Core Facility, Dept. of Obstetrics, Gynecology and Reproductive Sciences, UCSF, CA

Honors & Awards

  • 1986
    National Science Foundation Fellowship Honorable Mention
  • 1987
    Phi Beta Kappa
  • 1987-1990
    University Graduate Fellowship

Selected Publications

  1. Evaluating the effects of preanalytical variables on the stability of the human plasma proteome. Anal Biochem. 2015 Jun 1; 478:14-22.
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  2. Proteomic analysis of human follicular fluid from fertile women. Clin Proteomics. 2015; 12(1):5.
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  3. Urine, peritoneal fluid and omental fat proteomes of reproductive age women: Endometriosis-related changes and associations with endocrine disrupting chemicals. J Proteomics. 2015 Jan 15; 113:194-205.
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  4. Protein composition of bronchoalveolar lavage fluid and airway surface liquid from newborn pigs. Am J Physiol Lung Cell Mol Physiol. 2013 Aug 1; 305(3):L256-66.
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  5. Lectin chromatography/mass spectrometry discovery workflow identifies putative biomarkers of aggressive breast cancers. J Proteome Res. 2012 Apr 6; 11(4):2508-20.
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  6. Covalent attachment and dissociative loss of sinapinic acid to/from cysteine-containing proteins from bacterial cell lysates analyzed by MALDI-TOF-TOF mass spectrometry. J Am Soc Mass Spectrom. 2010 May; 21(5):819-32.
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  7. A HUPO test sample study reveals common problems in mass spectrometry-based proteomics. Nat Methods. 2009 Jun; 6(6):423-30.
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  8. Web-based software for rapid top-down proteomic identification of protein biomarkers, with implications for bacterial identification. Appl Environ Microbiol. 2009 Jul; 75(13):4341-53.
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  9. Low molecular weight proteins in urines from healthy subjects as well as diabetic, nephropathic and diabetic-nephropathic patients: a MALDI study. J Mass Spectrom. 2009 Mar; 44(3):419-25.
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  10. A "tagless" strategy for identification of stable protein complexes genome-wide by multidimensional orthogonal chromatographic separation and iTRAQ reagent tracking. J Proteome Res. 2008 May; 7(5):1836-49.
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  11. A peptide with a ProGln C terminus in the human saliva peptidome exerts bactericidal activity against Propionibacterium acnes. Antimicrob Agents Chemother. 2008 May; 52(5):1834-6.
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  12. Proteome changes in ovarian epithelial cells derived from women with BRCA1 mutations and family histories of cancer. Mol Cell Proteomics. 2005 Feb; 4(2):156-68.
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  13. Histone acetylation and deacetylation: identification of acetylation and methylation sites of HeLa histone H4 by mass spectrometry. Mol Cell Proteomics. 2002 Jul; 1(7):500-8.
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  14. Analysis of differential protein expression in normal and neoplastic human breast epithelial cell lines. Electrophoresis. 1998 Feb; 19(2):333-43.
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  15. A two-dimensional electrophoresis database of human breast epithelial cell proteins. Electrophoresis. 1997 Mar-Apr; 18(3-4):573-81.
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  16. Analysis of proteins from human breast epithelial cells using two-dimensional gel electrophoresis. Electrophoresis. 1995 Jul; 16(7):1215-24.
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