Publications & Presentations

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All Publications:

  1. Dutil, J., Golubeva, V., Pacheco-Torres, A., Diaz-Zabala, H., Matta, J., & Monteiro, A. (2015). The spectrum of BRCA1 and BRCA2 alleles in Latin America and the Caribbean: a clinical perspective. Breast Cancer Research And Treatment. November 2015, Accepted.

  2. Perez, W, Soto, Y. Ortiz, C., Matta, J, Melendez, E. (2015) Ferrocenes as potential chemotherapeutic drugs: Synthesis, cytotoxic activity, reactive oxygen species production and micronucleus assay. Bioorganic & Medicinal Chemistry 23:471-479.

  3. Melendez, E, Perez WI, Soto Y, Ortiz C, Matta J. Functionalized ferrocenes: Synthesis, cytotoxic studies and micronucleus assay. Submitted to: Journal of Organometallic Chemistry, August 18, 2014, in review.

  4. Guerrero-Preston, R., Hadar, T., Ostrow, K.L., Soudry, E., Echenique, M., Ili-Gangas, C., Perez, G., Perez, J., Brebi-Mieville, P., Deschamps, J., Morales, L., Bayona, M., Sidransky, D., Matta, J. (2014) Differential promoter methylation of kinesin family member 1a in plasma is associated with breast cancer and DNA repair capacity. Oncology reports, 32(2):505-512.

  5. Matta JL, Flores I, Morales LM, Monteiro J, Alvarez-Garriga C, Bayona M (2013) Women with endometriosis have a higher DNA repair capacity and diminished breast cancer risk. Molecular Cancer Biology, 1(1).

  6. Morales, L., Alvarez-Garriga, C., Matta, J., Ortiz, C., Vergne, Y., Vargas, W., Acosta, H., Ramírez, J., Perez-Mayoral, J., Bayona, M. (2013). Factors associated with breast cancer in Puerto Rican women. J Epidemiol Glob Health, 3(4), 205-215. doi: 10.1016/j.jegh.2013.08.003

  7. Matta, J., Morales, L., Dutil, J., Bayona, M., Alvarez, A., Suarez, E. (2014). Differential expression of DNA repair genes in Hispanic women with breast cancer. Molecular Cancer Biology, 1(1). doi:10.9777/mcb.v1i1.54

  8. Perez-Mayoral, J., Pacheco-Torres, A. L., Morales, L., Acosta-Rodriguez, H., Matta, J. L., Dutil, J. (2013). Genetic polymorphisms in RAD23B and XPC modulate DNA repair capacity and breast cancer risk in Puerto Rican women. Mol Carcinog, 52 Suppl 1, E127-138. doi: 10.1002/mc.22056

  9. Matta, J., Echenique, M., Negron, E., Morales, L., Vargas, W., Gaetan, F. S., . . . Bayona, M. (2012). The association of DNA Repair with breast cancer risk in women. A comparative observational study. BMC Cancer, 12(1), 490. doi: 10.1186/1471-2407-12-490

  10. Vergne, Y., Matta, J., Morales, L., Vargas, V., Alvarez-Garriga, C., Bayona, M. (2013). Breast Cancer and DNA Repair Capacity: Association with used of multivitamin and calcium supplements. Integrative Medicine: A Clinician's Journal, 12(3), 38-46.

  11. Matta, J. A Better Understanding of Breast Cancer, International Innovation 2013, pp. 39-43. URL. http://www.research-europe.com/magazine/HEALTHCARE2/NA10/index.html
  12. Matta, J., Echenique, M., Negron, E., Morales, L., Vargas, W., Sánchez Gaetan, F., Ramírez Lizardi, E., Torres, A., Ortiz Rosado, J., Bolaños, G., González Cruz, J., Laboy, J., Barnes, R., Santiago Medina, S., Romero, A., Martinez, R., Dutil, J., Suarez, E., Alvarez-Garriga, C., Bayona, M. The association of DNA Repair with breast cancer risk in women. A comparative observational study. BMC Cancer. October 2012, 12:490.  doi:10.1186/1471-2407-12-490.

  13. Avena S, Via M, Ziv E, Pérez-Stable EJ, Gignoux CR, Dejean C, Huntsman S, Torres-Mejía G, Dutil J, Matta JL, Beckman K, Burchard EG, Parolin ML, Goicoechea A, Acreche N, Boquet M, Ríos Part Mdel C, Fernández V, Rey J, Stern MC, Carnese RF, Fejerman L. "Heterogeneity in Genetic Admixture across Different Regions of Argentina" PLoS One. 2012;7(4):e34695. PMID: 22506044, PMCID:PMC3323559.

  14. Dutil J, Colon-Colon JL, Matta JL, Sutphen R, Echenique, M. "Identification of the prevalent BRCA1 and BRCA2 mutations in the female population of Puerto Rico" 2012. Cancer Genetics.

  15. Flores I, Muñoz-Antonia T, Matta J, García M, Fenstermacher D, Gutierrez S, Seijo E, Torres-Ruiz J, Pledger J, Coppola D.(2011) The Establishment of the First Cancer Tissue Biobank at a Hispanic-Serving Institution: An NCI Funded Initiative between Moffitt Cancer Center in Florida and the PSM in Puerto Rico. Biopreservation and Biobanking. 2011 Dec;9(4):363-371.

  16. Vera J, Gao LM, Santana A, Matta JL, Melendez E.(2011) Vectorized ferrocenes with estrogenes and Vitamin D2: Synthesis, Cytotoxic Activity and Docking Studies. Dalton Trans. 2011 Oct 7;7;40(37):9557-9565. PMID: 21850331.

  17. Kao WH, Riker AI, Kushwaha DS, Ng K, Enkemann SA, Jove R, Buettner R, Zinn PO, Sánchez NP, Villa JL,  D’ Andrea AD, Sánchez JL, Kennedy RD, Chen CC, Matta JL (2011). Upregulation of Fanconi Anemia DNA Repair Genes in Melanoma. Journal of Investigative Dermatology. 2011;1(10):2139-2142. PMID:21697891, PMCID: PMC3174338.

  18. Acevedo D, Matta JL, Melendez E. (2011) Synthesis, characterization and cytotoxic studies of water soluble [(η5-C5H5)2Mo (thionucleobase/thionucleoside)]Cl complexes in breast and colon cancer cell lines.  Journal of Organometallic Chemistry. 2011;696:1032-1037. PMID: 21399723, PMCID: PMC3051372.

  19. Porrata Doria T, Matta JL, Acevedo SF. (2010) Apolipoprotein E allelic frequency altered in women with early-onset breast cancer. Breast Cancer. Breast Cancer (Auckl). 2010 May 24;4:43-48. PMID: 20697532. PMCID: PMC2914274. 

  20. Gao LM, Vera JL, Matta JL, Meléndez E. (2010). Synthesis and cytotoxicity studies of steroid-functionalized titanocenes as potential anticancer drugs: sex steroids as potential vectors for titanocenes. J Biol Inorg Chem. 2010 Aug;15(6):851-859. PMID: 20349254. 

  21. Matta JL, Rodriguez G., Villa J., Ruiz A. (2010). The role of DNA repair capacity in melanoma skin cancer risk in a population chronically exposed to high levels of sunlight. The Ochsner Journal. 

  22. Olivero OA, Larramendy M, Soloneski S, Menck CF, Matta JL, Folle GA, Zamorano Ponce E, Spivak G.(2010) Impact of EMS outreach: successful developments in Latin America. Environmental and Molecular Mutagenesis. 2010 Mar 8;51(8-9):763-773. PMID: 20213840.
  23. Gao LM, Matta JL, Rheingold AL, E Meléndez. (2009). Synthesis, Structure and Biological Activity of Amide-Functionalized Titanocenyls: Improving their Cytotoxic Properties. Journal of Organometallic Chemistry 694:4134-4139. PMID: 20177431. PMCID: PMC2824910  

  24. Matta JL (2009). El Cáncer en Puerto Rico: Perspectiva del 2009. Medicina y Salud Publica, Mayo-Junio, 2009, volumen XV, pp.28-30.

  25. Feliciano I, Matta J, Meléndez E. (2009). Water-soluble molybdenocene complexes with both proliferative and antiproliferative effects on cancer cell lines and their binding interactions with human serum albumin. Journal of Biological Inorganic Chemistry 2009; 14:1109-1117.  PMID: 19536567. PMCID: PMC2819120.  

  26. Gao LM, Hernández R, Matta JL, Melendez E (2009).Synthesis, Structure, Electrochemistry and Cytotoxic Properties of Ferrocenyl Ester Derivatives. Metal-Based Drugs. Volume 2009, Article ID 420784, 8 pages, PUBMED. PMCID: PMC2659881.

  27. Cruz A, Vazquez D, Matta JL, Suárez EB (2008). Role of XPD, P53 and PTCH genes mutations in the development of early onset basal cell carcinoma. Ethnicity & Disease, Official Journal of ISHIB. 18(2):S1-2.


  28. Riker A, Enkemann S, Fodstad O, Liu S, Ren S, Morris C, Xi Y, Howell P, Metge B, Samant R, Shevde L, Li W, Eschrich S, Daud A, Ju J, Matta JL (2008). The gene expression profiles of primary and metastatic melanoma yields a transition point of tumor progression and metastasis. BMC Genomics, 1:13. PMCID: PMC2408576 http://www.biomedcentral.com/1755-8794/1/13.
 

  29. Suárez EB, Matta JL, Rolón M, Maldonado L, Detrés Y, De la Motta A, Gelado M, Ramos J, Armstrong R. "Molecular identification of the bacterial burden in Sahara dust samples using a new method to improve the evidence for the effective management of public health measures during an SD event" Journal of Environmental Health Research 2008;7(2). http://www.jehr-online.org.

  30. Hernandez R, Lamboy J, Gao LM, Matta JL, Roman FR, Melendez E (2008). Structure-Activity Studies of Ti(IV) Complexes: Aqueous Stability, Ti(IV) intake by human apotransferrin, and cytotoxic properties in colon cancer HT29 cells. Journal of Biological Inorganic Chemistry 13(5):685-692.
  PMID: 18288505.  

  31. Suárez-Martinez EB, Ruiz A, Matías J, Morales L, Cruz A, Vázquez D, Villa J, Matta JL (2007). Early-onset of Sporadic Basal Cell Carcinoma: Germline mutations in the TP53, PTCH, and XPD genes. Puerto Rico Health Science Journal Dec; 26(4):349-354.
  PMID: 18246963.  Gao L, Hernández R, Matta JL, Meléndez E (2007). Synthesis, Ti(IV) intake by apo-transferrin and cytotoxic properties of functionalized titanocene dichlorides. Journal of Biological Inorganic Chemistry 12:959-967.
  PMID: 17566797.  

  32. Matta JL, Ramos J, Armstrong R, D’Antoni H (2006). Niveles de luz ultravioleta ambiental asociados con apoptosis y necrosis en fibroblastos humanos. Acta Bioquím. Clin. Latinoam 40(4):553-560.
 

  33. Matta JL, Ramos J, Armstrong R, D’Antoni H (2006). Response of human fibroblasts to very low doses of environmental UV radiation. Caribbean Journal of Dermatology and Therapeutics 2:16-27.
 

  34. Phelan MA, Matta JL, Reyes YM, Fernando R, Norcross MA, Blanquet RS (2005). Associations between metals and the blue mesogleal protein of Cassiopea xamachana. Marine Biology published online December 7, 2005.
 

  35. Matta JL, Ramos JM, Armstrong RA, D’Antoni H (2005). Environmental UVA and UVB Threshold Doses for Apoptosis and Necrosis in Human Fibroblasts. Photochemistry and Photobiology 81(3):563-568.
 

  36. Ramos J, Villa J, Ruiz A, Armstrong R, Matta JL. (2004). UV dose determines key characteristics of non-melanoma skin cancer. Cancer Epidemiology, Biomarkers & Prevention 13(12):2006-2010.
 

  37. Ramos JM, Ruiz A, Colen R, Lopez ID, Grossman L, Matta JL (2004). DNA repair and breast cancer susceptibility in women. Cancer Apr 1; 100(7):1352-1357.
 

  38. Matta JL, Villa JL, Ramos JM, Sanchez J, Chompré G, Ruiz A, Grossman L (2003). DNA repair and non-melanoma skin cancer in Puerto Rican populations. Journal of the American Academy of Dermatology Sep; 49(3):433-439.
 

  39. Gonzalez MJ, Mora EM, Miranda-Massari JR, Matta JL Riordan HD, Riordan NH (2002). Inhibition of human breast carcinoma cell proliferation by ascorbate and copper. Puerto Rico Health Science Journal 21:21-23. 
 

  40. Matta JL, Nava J, Milad M, Manger R, Hupka A, Frazer T (2002). A pilot study for the detection of acute ciguatera intoxication in human blood. Journal of Toxicology-Clinical Toxicology 40:1-9. 
 

  41. Rojas C, Matos B, Santiago N, Reymunde A, Matta JL (2001). Hepatitis C patients in Puerto Rico have an altered iron balance. Biological Trace Element Research Winter; 84:239-245.

     
  42. Matta JL, Milad M, Manger R, Tosteson T (1999). Heavy metals, lipid peroxidation and ciguatera toxicity in the liver of the Caribbean barracuda (Sphyraena barracuda). Biological Trace Element Research 70:69-79.
 

  43. Matta JL, Nazario CM, Armstrong RA, Navas J (1998). Epidemiological trends of melanoma in Puerto Rico from 1975-1991. Bol Asoc Med P R Jan-Mar; 90(1-3):8-11.
 

  44. Matta JL, Chapman DJ (1995). Effects of light, temperature and desiccation on the net emersed productivity of the intertidal macroalga Colpomenia peregrina Sauv. (Hamel) Journal Experimental Marine Biology & Ecology 189-13-27.
 

  45. Matta JL, Tosteson TR (1995). Preliminary studies on the role of oxygen-derived free radicals and lipid peroxidation in ciguatera poisoning. International Symposium on Ciguatera and Marine Natural Products held in South Kohala, Hawaii, August 8-10, 1994, pp. 109-120. 
 

  46. Matta JL, Tosteson TR (1994). Oxygen-derived free radicals as regulators of toxicity in the benthic dinoflagellate Ostreopsis lenticularis. Proceedings of the Sixth International Conference on Toxic Marine Phytoplankton, Nantes, France, October, 1993. 
 

  47. Iglesias-Prieto R, Matta JL, Robins WA, Trench RK (1992). Photosynthetic response to elevated temperature in the symbiotic dinoflagellate Symbiodinium microadriaticum in culture. Proc Natl Acad of Sci U.S.A Nov; 89(21):10302-10305.
 

  48. Matta JL, Govind NS, Trench TR (1992). Polyclonal antibodies against iron-superoxide dismutases from E. coli B cross-react with superoxide dismutases from the symbiotic dinoflagellate Symbiodinium microadriaticum. Journal of Phycology 28:353-356.
 

  49. Matta JL, Chapman DJ (1991). Photosynthetic performance and daily carbon balance of Colpomenia peregrina: seasonal variations and differences between intertidal and subtidal populations. Marine Biology 108:303-313.
 

  50. Matta JL, Trench TR (1991). The enzymatic response of the symbiotic dinoflagellate Symbiodinium microadriaticum (Freudenthal) to growth in vitro under varied oxygen tensions. Symbiosis 11:31-45.
 

  51. Lewin RA, Cheng L, Matta JL (1985). Diurnal rhythm in the cell‑division frequency of Prochloron (Prochlorophyta) in nature. Phycologia 23(4):505‑550.

RESEARCH PRESENTATIONS (2008-2015 only)

  1. Ortiz C, Morales L, Sastre M, Haskins W, Matta J. Sandalwood Essential Oil Cytotoxicity and Genotoxicity Assessment in Human Breast Cell Lines MCF-7 and MCF-10A.
    Invited speaker
    2nd Puerto Rico Cancer Research Meeting
    The Condado Plaza Hilton Hotel
    San Juan, PR
    October 2nd, 2015

  2. Vargas W, Crespo I, Matta J. La importancia de participar en investigaciones clínicas.
    Invited speaker
    2nd Puerto Rico Cancer Research Meeting Pre-conference for Future Patient Advocates
    UPR Medical Sciences Campus
    San Juan, PR
    October 1st, 2015

  3. Ortiz C, Morales L, Sastre M, Haskins W, Matta J. Elucidating the Effect of Sandalwood Essential oil in the Human Breast Adenocarcinoma Cell line MCF-7.
    Invited speaker
    “Much to Learn You still Have...” (Yoda): A Career in Biomedical Sciences right in your Backyard (Seminar series)
    University of Puerto Rico at Cayey, Cayey, PR
    April 7, 2015 (Oral).

  4. Ortiz C, Morales L, Sastre M, Haskins W, Matta J. Cytotoxicity and Genotoxicity Assessment of Sandalwood Essential Oil in Human Breast Cell Lines MCF-7 and MCF-10A.
    54rd SOT Annual Meeting and ToxExpo
    San Diego, CA. March 22-26, 2015 (Poster).

  5. Matta J, Isaza C, Ortiz C, Suarez E, Morales L. miRNAs associated with DNA repair capacity in Puerto Rican women with breast cancer.
    San Antonio Breast Cancer Symposium
    San Antonio, TX. December 9-13, 2014 (Poster).

  6. Ortiz-Sánchez C. My Travel Into Research / Genotoxicity assessment of sandalwood essential oil (Santalum album) on human breast adenocarcinoma cell line (MCF-7).
    Invited speaker
    Hispanic Health Disparities Research Lecture and Training Workshop
    University of Puerto Rico at Cayey, Cayey, PR
    October 31-November 1, 2014 (Oral).

  7. Ortiz-Sánchez C, Morales-Torres L, Sastre M, Castro A, Matta J. Genotoxicity Assessment of Sandalwood (Santalum Album) Essential Oil on Human Breast Adenocarcinoma Cells (MCF-7).
    53rd SOT Annual Meeting and ToxExpo
    Phoenix, AZ. March 23-27, 2014 (Poster).

  8. Matta J, Vargas W, Ortiz C, Perez-Mayoral J, Morales L. The Puerto Rico breast cancer study: lesson learned from 2006-2013.
    San Antonio Breast Cancer Symposium
    San Antonio, TX. December 10-14, 2013 (Poster).

  9. Morales L, Ortiz C, Matta J, Alvarez-Garriga C, Bayona M. Educational level, DNA repair capacity and risk of breast cancer.
  10. International Conference on Epidemiology and Evolutionary Genetics
    Orlando, FL. August 21-23, 2013 (Poster).

  11. Ortiz C and Hernández S. Basics of Immunofluorescence, Microscopy, and Immunohistochemistry.
    RISE Program Ponce Health Sciences University
    Ponce, PR. June 14, 2013 (Oral).

  12. Matta J, Morales L, Ortiz C, Zayas C, Suárez E. Expression of miRNAs associated with DNA repair capacity in women with breast cancer.
    American Association for Cancer Research (AACR) Meeting
    Washington, DC. April 6-10th, 2013 (Poster).

  13. Ortiz C, Morales L, Matta J. Induction of late-apoptosis on Chinese hamster ovary cells by sandalwood (Santalum album) essential oil.
    52nd SOT Annual Meeting and ToxExpo
    San Antonio, TX. March 10-14th, 2013 (Poster).
    9th Scientific Conference at Ponce School of Medicine and Health Sciences
    Ponce, PR. June 1st, 2013 (Poster).

  14. Matta J,  Morales L, Cruz, A ,  Bayona M, Dutil, J., Gjyshi, A, Monteiro, A and E Suarez. Expression of DNA repair genes in breast cancer tumors from Puerto Rican women.
    52nd SOT Annual Meeting and ToxExpo
    San Antonio, TX. March 10-14th, 2013 (Poster).

  15. Matta J, Morales L, Acosta H, Ortiz C, Vargas W, Echenique M, Sánchez-Gaetan F, Ramírez- Lizardi E, Torres A, Ortiz-Rosado J, Bolaños G, González-Cruz J,Laboy J,Barnes R,Santiago-Medina S, Romero A, Martinez R, Suarez E, Alvarez-Garriga C, Bayona M. Molecular epidemiology studies of breast cancer in Puerto Rico.
    13th RCMI International Symposium on Health Disparities
    San Juan, PR. December 10-13th, 2012 (Poster).

  16. Matta, J,  Guerrero, R, Sidranksy, D,  Morales, L, Ortiz, C, Ostrow, K, Suarez, E,  Alvarez-Garriga, C. and M Bayona. Epigenetic dysregulation of DNA repair in Puerto Rican women with breast cancer.
    13th RCMI International Symposium on Health Disparities
    San Juan, PR. December 10-13th, 2012 (Poster).

  17. Matta, J, Morales, J, Ortiz, C, Vargas, W, Echenique, M, Sánchez Gaetan, F, Ramírez Lizardi E, Torres, A, Ortiz Rosado, J, Bolaños, G, González Cruz, J, Laboy, J, Barnes, R, Santiago Medina, S, Romero, A, Martinez, R, Alvarez-Garriga, C and M Bayona. Triple negative receptor status is associated with low DNA repair capacity in women with breast cancer.
    2012 CTRC-AACR, San Antonio Breast Cancer Symposium
    San Antonio, TX December 4-8, 2012 (Poster).

  18. Matta, J, Morales, L.,  Acosta, H., Dutil, J., Monteiro, A., Alvarez-Garriga C and M. Bayona. The host cell reactivation (HCR) assay for measuring DNA repair capacity (DRC) in cancer research after 20 years; re-evaluation and lessons learned.
    AACR Annual Meeting 2012
    Chicago, IL. March 31- April 4, 2012 (Poster).

  19. Diaz-Zabala H, Matta JL, Dutil J. Genetic ancestry distribution in basal-cell carcinoma cases and controls from Puerto Rico.
    AACR Annual Meeting 2012
    Chicago, IL. March 31- April 4, 2012 (Poster).

  20. Matta, L., Alvarez-Garriga C., Morales, L., Vargas, W and M. Bayona. Smoking is associated with a diminished DNA repair and increased breast cancer risk.
    51st SOT Annual Meeting & ToxExpo
    San Francisco, CA. March 11- 15, 2012 (Poster).

  21. Matta, J. Recent Advances on the Role of DNA Repair in Breast Cancer.
    University of Puerto Rico Comprehensive Cancer Center and U54 Partnership for Excellence in Cancer Research.
    San Juan, PR. October 26, 2011 (Oral).

  22. Dutil J, Fejerman L, Ziv E, Hunstman S, Arroyo N, Matta J, Gonzalez-Bosquet J. The role of genetic ancestry in breast cancer predisposition and tumor presentation in Puerto Rican Hispanic.
    61th Annual Meeting of the American Society of Human Genetic/12th International Congress of Human Genetics
    Montreal, Canada. October 2011.

  23. Matta, J. Recent Advances in Breast Cancer Research in Puerto Rican Women.
    Invited guest speaker.
    AAAS Caribe Division, Genetics, Environment and Society,
    University of Puerto Rico at Mayaguez
    October 1, 2011 (Oral).

  24. Matta, J., Morales, L., Acosta, H., Vargas, W.,  Flores I.,  Monteiro J.B. and M. Bayona. Endometriosis, DNA repair capacity and breast cancer risk.
    11th World Congress on Endometriosis (WCE2011)
    Montpellier, France. September 2-7, 2011. (Poster).

  25. Matta, J., Morales, L., Acosta, H., Vargas, W., Colon, M., Alvarez Garriga, C. and M. Bayona. HER2/neu receptor status is associated with a low DNA repair capacity in women with breast cancer.
    7th PSMHS Annual Scientific Conference
    Ponce School of Medicine
    Ponce, PR. June 7th, 2011 (Poster).

    AACR Annual Meeting 2011
    Orlando, FL, April 2-6, 2011 (Poster).

  26. Bayona, M., Vidal, J.F., Morales, L.,  Alvarez-Garriga, C. Sanchez, J., Villa, J., Ruiz, A, and  J.L. Matta. Non-melanoma skin cancer epidemiology and DNA repair in Puerto Ricans.
    7th PSMHS Annual Scientific Conference
    Ponce School of Medicine
    Ponce, PR. June 7th, 2011 (Poster).

  27. Dutil J, Gonzalez-Bosquet J, Matta J, Echenique M, Sutphen R. BRCA mutation prevalence and performance of clinical risk assessment tools among Puerto Rican breast cancer patients.
    60th Annual Meeting of the American Society of Human Genetics
    Washington, DC. November 2010 (Poster).

  28. Matta, J.Genetic susceptibility of breast cancer in Puerto Rico.
    Invited guest speaker
    Annual Meeting of the Genetic Toxicology Association
    Delaware, USA. September 14-16, 2010 (Oral).

  29. Bayona, M, Vidal J, Morales L, Alvarez-Garriga, C, Sanchez, J, Villa, J, Abigail, A and  JL Matta.Non-melanoma skin cancer epidemiology and DNA repair in Puerto Ricans.
    3rd AACR conference: The Science of Cancer Health Disparities in Racial/Ethnic Minorities and the Medically Underserved
    Miami, FL. September 30-October 3, 2010 (Poster).

  30. Pérez-Mayoral, J*, Colón, C, Matta, JL and J Dutil. Genetic Polymorphisms of DNA Repair Gene XRCC4 Influence DNA Repair Capacity and Breast Cancer Risk in Puerto Rican Women.
    6th PSMHS Annual Scientific Conference
    Ponce School of Medicine
    Ponce PR. June 5th 2010 (Poster).

  31. Pacheco-Torres, AL, Colón, C., Matta, J.L. and J. Dutil. XPD Single Nucleotide Polymorphisms and Copy Number Variation in Puerto Rican Women and Breast Cancer Risk.
    6th PSMHS Annual Scientific Conference
    Ponce School of Medicine
    Ponce PR. June 5th 2010 (Poster).

  32. Vergne Y, Matta J, Morales L, Delgado H, Vargas W, Alvarez-Garriga C, Bayona, M. Consumption of Vitamins and Calcium reduces Breast Cancer risk by their regulation of the DNA Repair Capacity.
    6th PSMHS Annual Scientific Conference
    Ponce School of Medicine
    Ponce PR. June 5th 2010 (Poster).

  33. Matta, J.L. DNA repair as a risk factor for breast cancer.
    Invited speaker
    Bioinformatics and Epidemiology Seminar, U54 Partnership UPR-MDACA,
    San Juan, P.R. May 27, 2010 (Oral).

  34. Vergne Y, Matta J, Morales L, Delgado H, Vargas W, Alvarez-Garriga C, Bayona, M. Consumption of vitamins and calcium reduces breast cancer risk by their regulation of the DNA repair capacity.
    AACR Annual Meeting
    Washington, D.C. April 18-22, 2010 (Poster) was selected by the 2010 Program Committee as  highly meritorious and was in the top 2-3% of abstracts of the over 6,000 abstracts submitted. Findings were disseminated globally through major newswires.

  35. Matta J, Echenique M, Negron E,Morales L, Vargas W, Sánchez Gaetan F, Ramírez Lizardi E, Torres A, Ortiz Rosado J, Bolaños, G, González Cruz J,Laboy J, R Barnes, Santiago Medina S, Romero A, Bayona M. DNA repair capacity as a potential biomarker for breast cancer.
    49th SOT Annual Meeting
    Salt Lake City, Utah, March 7-11, 2010 (Poster).

  36. Vergne Y, Matta J, Morales L, Vargas W, Alvarez-Garriga C, Bayona M (2010). Is DNA repair capacity a regulator of the calcium protective effect in breast cancer?
    49th SOT Annual Meeting
    Salt Lake City, Utah, March 7-11, 2010 (Poster).

  37. Vergne Y, Matta J, Morales L, Delgado H, Vargas W, Alvarez-Garriga C, Bayona, M. Consumption of Vitamins and Calcium reduces Breast Cancer risk by their regulation of the DNA Repair Capacity.
    AACR Annual Meeting
    Washington DC. April 17-21, 2010 (Poster).

  38. Guerrero-Preston R, Laskie Ostrow K, Soundry E, Echenique M, Sidransky D, Matta, J. Gene-specific DNA hypermethyation panel in serum DNA from a breast cancer case-control study in Puerto Rico: An early detection molecular tool.
    AACR Special Conference Cancer Epigenetics
    San Juan, PR. January 20-23, 2010 (Poster).

  39. Vera-Serrano, JL, Melendez E, Matta, J.L. Salvo V. New Ferrocenecarboxylate Derivatives: Synthesis and in Vitro Antitumor Activity on Breast Cancer Cells (MCF-7) and Human Colon Carcinoma Cells (HT-29).
    61st Southeast Regional Meeting (SERMACS)
    San Juan, PR. October 21-24, 2009 (Poster).

  40. Dutil J, Echenique M, Matta JL, Sutphen R. Development and assessment of hereditary breast cancer genetic screening tools for the Hispanic population of Puerto Rico.
    59th Annual Meeting of the American Society of Human Genetics
    Honolulu, HI. October 20-24, 2009 (Poster). 5th Scientific Conference
    Ponce School of Medicine
    June 6, 2009 (Poster). 

  41. Porrata-Doria T, Matta JL, Flores I, Acevedo SF. Frequency of Apolipoprotein E (apoE) in Breast Cancer and Endometriosis patients in Puerto Rico.
    5th Scientific Conference
    Ponce School of Medicine
    June 6, 2009 (Poster). 

  42. Pérez-Mayoral, J, Colón C, Pacheco-Torres AL, Matta JL, Dutil J. The Role of Genetic Polymorphisms of DNA Repair Gene RAD23B and Breast Cancer Risk in Puerto Rican Women.
    5th Scientific Conference
    Ponce School of Medicine
    June 6, 2009 (Poster). 

  43. Matta JL, Echenique M, Negrón E, Morales L, Vargas W, Sánchez-Gaetan F, Torres A,  Ramírez- Lizardi E, Barnes R, Santiago-Medina S, Bayona, M. Low DNA repair capacity as a predictor for breast cancer.
    AACR Annual Meeting
    Denver, CO. April 18-22, 2009 (Poster).

  44. Matta JL, Echenique M, Negrón E, Morales L, Vargas W, Rullan J, Sánchez-Gaetan F, Torres A, Ramírez-Lizardi E, Barnes R, Santiago S,  Bayona M. New insights into the role of DNA repair in breast cancer.
    11th RCMI International Symposium on Health Disparities
    Honolulu, HI, December 1 – 4, 2008 (Poster).

  45. Matta JL, Villa J, Armstrong R, Suarez E, Norman L, Riker A. The role of DNA repair in skin cancer in Puerto Rico.
    11th RCMI International Symposium on Health Disparities
    Honolulu, HI, December 1 – 4, 2008 (Poster).

  46. Matta JL. Pharmacogenomics
    Invited speaker
    Mini-Convention, Society of Dermatology of Puerto Rico
    Isla Verde, P.R., November 15, 2008.

  47. Matta JL, Echenique M, Negrón E, Morales L, Norman L, Vargas W, Bayona M. Genetic susceptibility to breast cancer in Puerto Rico. Genes and the Environment: From Molecular Mechanisms to Risk.
    Invited plenary session speaker.
    Symposium 7: Global Health in the Americas: the impact of the Environment; a symposium showcasing Latin American Scientists.
    Rio Grande, PR. October 18-22, 2008.

  48. Matta JL, Negrón E, Morales L, Vargas W, Norman L, Yu D, Echenique M. New insights into the role of DNA repair in breast cancer.
    AACR Annual Meeting
    San Diego, CA. April 12-16 (Poster).
    4th. Scientific Conference
    Ponce School of Medicine
    June 7, 2008. Ponce, PR (Poster).