Christopher A Loffredo

Christopher A Loffredo

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Christopher A Loffredo

Christopher A Loffredo

Publications by authors named "Christopher A Loffredo"

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90Publications

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Association of Anthropometric Measures with Prostate Cancer among African American Men in the NCI-Maryland Prostate Cancer Case-Control Study.

Cancer Epidemiol Biomarkers Prev 2018 Aug 21;27(8):936-944. Epub 2018 May 21.

Laboratory of Human Carcinogenesis, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, Maryland.

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August 2018

Epidemiological Investigation of Type 2 Diabetes and Alzheimer's Disease in a Pakistani Population.

Int J Environ Res Public Health 2018 Jul 26;15(8). Epub 2018 Jul 26.

Department of Biology, Howard University, Washington, DC 20059, USA.

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July 2018

PCB exposure and potential future cancer incidence in Slovak children: an assessment from molecular finger printing by Ingenuity Pathway Analysis (IPA®) derived from experimental and epidemiological investigations.

Environ Sci Pollut Res Int 2018 Jun 15;25(17):16493-16507. Epub 2017 Nov 15.

Molecular Genetics Laboratory, Department of Biology, Howard University, 415 College Street, NW, Room 408, EE Just Hall, Washington, DC, 20059, USA.

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June 2018

Author Correction: Strong associations between chromosomal aberrations in blood lymphocytes and the risk of urothelial and squamous cell carcinoma of the bladder.

Sci Rep 2018 May 22;8(1):8183. Epub 2018 May 22.

Department of Biostatistics, Bioinformatics, and Biomathematics, Lombardi Comprehensive Cancer Center, Georgetown University Medical Center, Washington DC, USA.

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May 2018

Familial co-occurrence of congenital heart defects follows distinct patterns.

Eur Heart J 2018 Mar;39(12):1015-1022

Wilhelm Johannsen Centre for Functional Genome Research, Department of Cellular and Molecular Medicine, University of Copenhagen, Blegdamsvej 3, DK-2200 Copenhagen, Denmark.

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March 2018

Urinary Bladder Cancer in Egypt: Are There Gender Differences in Its Histopathological Presentation?

Adv Urol 2018 13;2018:3453808. Epub 2018 Mar 13.

University of Maryland School of Medicine, Baltimore, MD, USA.

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March 2018

Strong associations between chromosomal aberrations in blood lymphocytes and the risk of urothelial and squamous cell carcinoma of the bladder.

Sci Rep 2017 Oct 18;7(1):13493. Epub 2017 Oct 18.

Department of Biostatistics, Bioinformatics, and Biomathematics, Lombardi Comprehensive Cancer Center, Georgetown University Medical Center, Washington DC, USA.

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October 2017

Aspirin Use Reduces the Risk of Aggressive Prostate Cancer and Disease Recurrence in African-American Men.

Cancer Epidemiol Biomarkers Prev 2017 06 14;26(6):845-853. Epub 2017 Mar 14.

Laboratory of Human Carcinogenesis, Center for Cancer Research, National Cancer Institute (NCI), National Institutes of Health (NIH), Bethesda, Maryland.

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June 2017

Nonoccupational exposure to agricultural work and risk of urinary bladder cancer among Egyptian women.

Arch Environ Occup Health 2017 May 30;72(3):166-172. Epub 2016 Mar 30.

a Department of Epidemiology and Public Health , University of Maryland School of Medicine , Baltimore , Maryland , USA.

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May 2017

Changes in the diagnosis of congenital cardiovascular malformations during the 1st year of life: impacts on epidemiological risk factor associations.

Cardiol Young 2017 May;27(4):770-781

1Department of Biostatistics, Bioinformatics and Biomathematics,Georgetown University Medical Center,Washington,District of Columbia,United States of America.

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May 2017

Metabolomic profiles of current cigarette smokers.

Mol Carcinog 2017 02 22;56(2):594-606. Epub 2016 Aug 22.

Comprehensive Cancer Center, The Ohio State University, Columbus, Ohio.

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February 2017

Menthol Smokers: Metabolomic Profiling and Smoking Behavior.

Cancer Epidemiol Biomarkers Prev 2017 01 14;26(1):51-60. Epub 2016 Sep 14.

Comprehensive Cancer Center, The Ohio State University, Columbus, Ohio.

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January 2017

Persistent alterations of gene expression profiling of human peripheral blood mononuclear cells from smokers.

Mol Carcinog 2016 10 21;55(10):1424-37. Epub 2015 Aug 21.

Comprehensive Cancer Center, The Ohio State University, Columbus, Ohio.

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October 2016

Parental perceptions of congenital cardiovascular malformations in their children.

Cardiol Young 2016 Aug 12;26(6):1158-67. Epub 2015 Nov 12.

5Georgetown University,Washington,District of Columbia,United States of America.

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August 2016

Novel thiosemicarbazides induced apoptosis in human MCF-7 breast cancer cells via JNK signaling.

J Enzyme Inhib Med Chem 2015 ;30(5):786-95

a Department of Health Sciences , Biomedical Sciences Program, College of Arts and Sciences, Qatar University , Doha , Qatar .

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May 2016

Differential Serum Cytokine Levels and Risk of Lung Cancer Between African and European Americans.

Cancer Epidemiol Biomarkers Prev 2016 Mar 28;25(3):488-97. Epub 2015 Dec 28.

Laboratory of Human Carcinogenesis, Center for Cancer Research, National Cancer Institute, Bethesda, Maryland.

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March 2016

Simple reaction time in 8-9-year old children environmentally exposed to PCBs.

Neurotoxicology 2015 Dec 19;51:138-44. Epub 2015 Oct 19.

Department of Environmental Medicine, Slovak Medical University, Limbová 12, 83303 Bratislava, Slovakia. Electronic address:

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December 2015

Waterpipe Smoking And The DRD2/ANKK1 Genotype.

J Egypt Public Health Assoc 2010 ;85(3-4):131-48

Dept. of Public Health, Cairo University, Cairo, Egypt.

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November 2015

Viral transmission risk factors in an Egyptian population with high hepatitis C prevalence.

BMC Public Health 2015 Oct 7;15:1030. Epub 2015 Oct 7.

Lombardi Cancer Center, Georgetown University, 3970 Reservoir Rd, Washington, DC, 20057, USA.

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October 2015

Hepatitis C virus Genotype 1a core gene nucleotide patterns associated with hepatocellular carcinoma risk.

J Gen Virol 2015 Sep 3;96(9):2928-37. Epub 2015 Jul 3.

5​Department of Biostatistics, Georgetown University, Washington, DC 20057, USA 4​Department of Oncology, Georgetown University, Washington, DC 20057, USA.

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September 2015

Relationship of birth weight with congenital cardiovascular malformations in a population-based study.

Cardiol Young 2015 Aug 28;25(6):1086-92. Epub 2014 Aug 28.

1Lombardi Comprehensive Cancer Center,Georgetown University,Washington,District of Columbia,United States of America.

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August 2015

Preventing hepatocellular carcinoma in Egypt: results of a Pilot Health Education Intervention Study.

BMC Res Notes 2015 Aug 29;8:384. Epub 2015 Aug 29.

Department of Oncology, Georgetown University, 3970 Reservoir Rd, Washington DC, 20057, USA.

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August 2015

Biomarkers linking PCB exposure and obesity.

Curr Pharm Biotechnol 2014 ;15(11):1058-68

415 College Street, NW, Room 335, EE Just Hall, Washington DC-20059, USA.

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July 2015

Telomere length variation: A potential new telomere biomarker for lung cancer risk.

Lung Cancer 2015 Jun 20;88(3):297-303. Epub 2015 Mar 20.

Cancer Prevention and Control Program, Lombardi Comprehensive Cancer Center, Georgetown University Medical Center, Washington, DC, United States. Electronic address:

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June 2015

Pesticides, gene polymorphisms, and bladder cancer among Egyptian agricultural workers.

Arch Environ Occup Health 2015 ;70(1):19-26

a Department of Epidemiology and Public Health , University of Maryland School of Medicine , Baltimore , Maryland , USA.

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February 2015

Mediation analysis of gestational age, congenital heart defects, and infant birth-weight.

BMC Res Notes 2014 Dec 17;7:926. Epub 2014 Dec 17.

Departments of Oncology and of Biostatistics, Bioinformatics, and Biomathematics, Georgetown University, 3800 Reservoir Rd, NW, Washington, DC 20057, USA.

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December 2014

Multiple pregnancies, hepatitis C, and risk for hepatocellular carcinoma in Egyptian women.

BMC Cancer 2014 Nov 29;14:893. Epub 2014 Nov 29.

Department of Epidemiology and Public Health, University of Maryland School of Medicine, 660 West Redwood Street, Baltimore, MD 21201, USA.

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November 2014

Elevated HERV-K mRNA expression in PBMC is associated with a prostate cancer diagnosis particularly in older men and smokers.

Carcinogenesis 2014 Sep 23;35(9):2074-83. Epub 2014 May 23.

Prostate Cancer Institute, Biosciences Research Building, National University of Ireland Galway, Dangan, Corrib Village, Galway, Ireland,

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September 2014

Knowledge and perceptions of hepatitis C infection and pesticides use in two rural villages in Egypt.

BMC Public Health 2014 May 24;14:501. Epub 2014 May 24.

Lombardi Cancer Center, Georgetown University, 3970 Reservoir Rd, Washington, DC 20057, USA.

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May 2014

Associations of depression and neuroticism with smoking behavior and motives among men in rural Qalyubia (Egypt).

J Egypt Public Health Assoc 2014 Apr;89(1):16-21

aPublic Health Department, Faculty of Medicine, Cairo University bThe National Hepatology and Tropical Medicine Research Institute, Cairo, Egypt cLombardi Comprehensive Cancer Center, Georgetown University School of Medicine, Washington, DC dDepartment of Epidemiology and Public Health, University of Maryland School of Medicine, Baltimore, Maryland, USA.

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April 2014

Agricultural workers and urinary bladder cancer risk in Egypt.

Arch Environ Occup Health 2014 ;69(1):3-10

Department of Epidemiology and Public Health, University of Maryland School of Medicine, Baltimore, MD 21201, USA.

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November 2013

A randomized, controlled community-wide intervention to reduce environmental tobacco smoke exposure.

Nicotine Tob Res 2013 Aug 17;15(8):1372-81. Epub 2013 Jan 17.

Department of Microbiology and Immunology, Georgetown University, Washington, DC 20057, USA.

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August 2013

Knowledge and willingness to provide research biospecimens among foreign-born Latinos using safety-net clinics.

J Community Health 2013 Aug;38(4):652-9

Cancer Prevention and Control Program, Lombardi Comprehensive Cancer Center, Georgetown University Medical Center, 3800 Reservoir Road, Washington, DC 20057, USA.

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August 2013

Evaluation of midkine as a diagnostic serum biomarker in hepatocellular carcinoma.

Clin Cancer Res 2013 Jul 29;19(14):3944-54. Epub 2013 May 29.

Liver Cancer Institute and Zhongshan Hospital, Institutes of Biomedical Science, Department of Biostatistics, School of Public Health, Fudan University, Shanghai, China.

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July 2013

Tobacco-specific nitrosamine exposures in smokers and nonsmokers exposed to cigarette or waterpipe tobacco smoke.

Nicotine Tob Res 2013 Jan 9;15(1):130-8. Epub 2012 May 9.

Department of Public Health, Cairo University, Cairo, Egypt.

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January 2013

Differences in health and religious beliefs about tobacco use among waterpipe users in the rural male population of Egypt.

J Relig Health 2012 Dec;51(4):1216-25

Department of Epidemiology, School of Public Health, Loma Linda University, Loma Linda, CA 92354, USA.

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December 2012

MicroRNA-9 as potential biomarker for breast cancer local recurrence and tumor estrogen receptor status.

PLoS One 2012 18;7(6):e39011. Epub 2012 Jun 18.

Cancer Prevention and Control Program, Lombardi Comprehensive Cancer Center, Georgetown University, Washington, District of Columbia, USA.

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December 2012

Implementation, barriers and challenges of smoke-free policies in hospitals in Egypt.

BMC Res Notes 2012 Oct 15;5:568. Epub 2012 Oct 15.

Department of Public Health, Cairo University, Cairo, Egypt.

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October 2012

Urinary bladder cancer risk factors in Egypt: a multicenter case-control study.

Cancer Epidemiol Biomarkers Prev 2012 Mar 6;21(3):537-46. Epub 2011 Dec 6.

Carcinogenesis, Biomarkers and Epidemiology Program, Lombardi Comprehensive Cancer Center, Georgetown University, Washington, District of Columbia 20057, USA.

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March 2012

Telomere length variation in normal epithelial cells adjacent to tumor: potential biomarker for breast cancer local recurrence.

Carcinogenesis 2012 Jan 9;33(1):113-8. Epub 2011 Nov 9.

Carcinogenesis, Biomarkers and Epidemiology Program, Lombardi Comprehensive Cancer Center, Georgetown University, Washington, DC 20057, USA.

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January 2012

Telomere deficiencies on chromosomes 9p, 15p, 15q and Xp: potential biomarkers for breast cancer risk.

Hum Mol Genet 2011 Jan 18;20(2):378-86. Epub 2010 Oct 18.

Lombardi Comprehensive Cancer Center, Georgetown University, Washington, DC 20057, USA.

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January 2011

Estrogen exposure and bladder cancer risk in Egyptian women.

Maturitas 2010 Dec 1;67(4):353-7. Epub 2010 Sep 1.

Department of Epidemiology and Preventive Medicine, University of Maryland School of Medicine, Baltimore, MD 21201, USA.

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December 2010

A meta-analysis of the effectiveness of albendazole compared with metronidazole as treatments for infections with Giardia duodenalis.

PLoS Negl Trop Dis 2010 May 11;4(5):e682. Epub 2010 May 11.

Department of Biology, Georgetown University, Washington, D. C., United States of America.

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May 2010

Mutagen sensitivity, tobacco smoking and breast cancer risk: a case-control study.

Carcinogenesis 2010 Apr 28;31(4):654-9. Epub 2010 Jan 28.

Department of Oncology, Carcinogenesis, Biomarkers and Epidemiology Program, Lombardi Comprehensive Cancer Center, Georgetown University Medical Center, Washington, DC 20057, USA.

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April 2010

Childhood exposure to secondhand smoke and functional mannose binding lectin polymorphisms are associated with increased lung cancer risk.

Cancer Epidemiol Biomarkers Prev 2009 Dec;18(12):3375-83

Cancer Prevention Fellowship Program, Office of Preventive Oncology, Division of Cancer Prevention, Laboratory of Human Carcinogenesis, CCR, NCI, NIH, Bethesda, MD 20892-4258, USA.

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December 2009

Viral and non-viral risk factors for non-Hodgkin's lymphoma in Egypt: heterogeneity by histological and immunological subtypes.

Cancer Causes Control 2009 Aug 5;20(6):981-7. Epub 2009 Mar 5.

Lombardi Cancer Center, Georgetown University, 3800 Reservoir Rd, PO Box 571465, Washington, DC 20057-1465, USA.

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August 2009

Chromosome 9 arm-specific telomere length and breast cancer risk.

Carcinogenesis 2009 Aug 17;30(8):1380-6. Epub 2009 Jun 17.

Cancer Genetics and Epidemiology Program, Lombardi Comprehensive Cancer Center, Georgetown University, Washington, DC 20057, USA.

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August 2009

Pediatric acute lymphoblastic leukemia and exposure to pesticides.

Ther Drug Monit 2009 Aug;31(4):495-501

Department of Oncology, Georgetown University Medical Center, Washington, District of Columbia 20057, USA.

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August 2009

Integrated peptide and glycan biomarker discovery using MALDI-TOF mass spectrometry.

Conf Proc IEEE Eng Med Biol Soc 2008 ;2008:3791-4

Lombardi Comprehensive Cancer Center, Georgetown University Medical Center, Washington, DC, USA.

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May 2009

Detection of hepatocellular carcinoma using glycomic analysis.

Clin Cancer Res 2009 Mar 17;15(5):1808-13. Epub 2009 Feb 17.

Department of Oncology, Georgetown University, Washington, District of Columbia 20057-1469, USA.

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March 2009

Nondaily, light daily, and moderate-to-heavy cigarette smokers in a rural area of Egypt: a population-based survey.

Nicotine Tob Res 2009 Feb 26;11(2):134-8. Epub 2009 Feb 26.

Department of Community, Environmental and Occupational Medicine, Faculty of Medicine, Ain Shams University, Cairo, Egypt.

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February 2009

Genotoxic effects of waterpipe smoking on the buccal mucosa cells.

Mutat Res 2008 Aug-Sep;655(1-2):36-40

Department of Community, Environmental and Occupational Medicine, Faculty of Medicine, Ain Shams University, Cairo, Egypt.

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December 2008

Occupation, gender, race, and lung cancer.

J Occup Environ Med 2008 Oct;50(10):1167-75

Departments of Epidemiology and Preventive Medicine, University of Maryland School of Medicine, Baltimore, MD 21201, USA.

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October 2008

Ant colony optimization for biomarker identification from MALDI-TOF mass spectra.

Conf Proc IEEE Eng Med Biol Soc 2006 ;1:4560-3

Lombardi Comprehensive Cancer Center, Georgetown Univ., Washington, DC, USA.

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April 2008

Tumor immunobiological differences in prostate cancer between African-American and European-American men.

Cancer Res 2008 Feb;68(3):927-36

Laboratory of Human Carcinogenesis, Center for Cancer Research, National Cancer Institute, NIH, Bethesda, Maryland 20892-4258, USA.

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February 2008

Candidate markers for the detection of hepatocellular carcinoma in low-molecular weight fraction of serum.

Carcinogenesis 2007 Oct 27;28(10):2149-53. Epub 2007 Aug 27.

Georgetown University, Lombardi Comprehensive Cancer Center, 3970 Reservoir Road Northwest, Washington, DC 20057, USA.

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October 2007

Behavioral risk factors among Black and White women newly diagnosed with breast cancer.

Psychooncology 2007 Mar;16(3):224-31

Cancer Control Program, Lombardi Comprehensive Cancer Center and Department of Oncology, Georgetown University School of Medicine, Georgetown University Medical Center, Washington, DC 20007-2401, USA.

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March 2007

Evaluation of Papanicolaou stain for studying micronuclei in buccal cells under field conditions.

Acta Cytol 2006 Jul-Aug;50(4):398-402

Cytopathology and Early Cancer Detection Unit, Ain Shams University Hospitals, Egypt.

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September 2006

On using a cancer center cancer registry to identify newly affected women eligible for hereditary breast cancer syndrome testing: practical considerations.

J Genet Couns 2006 Apr;15(2):129-36

Cancer Control Program, Lombardi Comprehensive Cancer Center, Georgetown University Medical Center, Washington, District of Columbia 20007-2401, USA.

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April 2006

Analysis of mass spectral serum profiles for biomarker selection.

Bioinformatics 2005 Nov 13;21(21):4039-45. Epub 2005 Sep 13.

Lombardi Comprehensive Cancer Center, Georgetown University, Washington, DC, USA.

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November 2005

Genetic and environmental influences on malformations of the cardiac outflow tract.

Expert Rev Cardiovasc Ther 2005 Nov;3(6):1125-30

Cardiology, Children's National Medical Center, Washington, DC 20010, USA.

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November 2005

Case-control study of non-Hodgkin's lymphoma and hepatitis C virus infection in Egypt.

Int J Epidemiol 2004 Oct 20;33(5):1034-9. Epub 2004 May 20.

Johns Hopkins Bloomberg School of Public Health, Department of Epidemiology, USA.

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October 2004

Fetal ADH2*3, maternal alcohol consumption, and fetal growth.

Int J Toxicol 2004 Jan-Feb;23(1):47-54

Toxicology Program, University of Maryland, Baltimore, Maryland, USA.

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September 2004

Variability in human metabolism of arsenic.

Environ Res 2003 Jun;92(2):85-91

Program in Human Health and the Environment, Department of Epidemiology and Preventive Medicine, University of Maryland School of Medicine, Baltimore, MD 21201, USA.

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June 2003

Population-based study of l-transposition of the great arteries: possible associations with environmental factors.

Birth Defects Res A Clin Mol Teratol 2003 Mar;67(3):162-7

Department of Cardiology, Children's National Medical Center, George Washington University School of Medicine, Washington, DC 20010, USA.

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March 2003

Infants with single ventricle: a population-based epidemiological study.

Teratology 2002 Mar;65(3):106-15

Department of Epidemiology and Preventive Medicine, University of Maryland School of Medicine, Baltimore, Maryland 21201, USA.

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March 2002