GabrielMartinOrtizMDPhD

PubMed

• 32 citations
  Acute Care for Patients Who Are Incarcerated: A Review
  Lawrence A. Haber, Hans P Erickson, Sumant R. Ranji, Gabriel M. Ortiz, Lisa A. Pratt
  JAMA Internal Medicine. 2019-11-01
• 49 citations
  Detection of T lymphocytes specific for human endogenous retrovirus K (HERV-K) in patients with seminoma.
  Seth Rakoff-Nahoum, Peter J. Kuebler, Jonas J. Heymann, Megan E. Sheehy, Gabriel M. Ortiz
  AIDS Research and Human Retroviruses. 2006-01-26
• 49 citations
  Acute Clinical Care for Transgender Patients: A Review.
  Nicole Rosendale, Seth Goldman, Gabriel M. Ortiz, Lawrence A. Haber
  JAMA Internal Medicine. 2018-11-01

Journal Articles

• "Detection of T lymphocytes specific for human endogenous retrovirus K (HERV-K) in patients with seminoma."  
  S. Rakoff-Nahoum, P.J. Kuebler, J.J. Heymann, M.E. Sheehy, G.M. Ortiz, G.S. Ogg, J. Lenz, A.D. Steinfeld, and D.F. Nixon, AIDS Res Hum Retroviruses, 1/1/2006
• "Relevance of HIV-1-specific CD4+ Helper T-Cell Responses during Structured Treatment Interruption in Patients with CD4+ T-Cell Nadir above 400/mm3."  
  M. Plana, F. Garcia, A. Oxenius, G.M. Ortiz, A. Lopez, A. Cruceta, G. Mestre, E. Fumero, C. Fagardi, M.A. Sambeat, F. Segura, J.M. Miro, M. Arnedo, L. Lopalco, T. Puma..., J.A.I.D.S., 7/1/2004
• "A cytostatic drug improves control of HIV-1 replication during structured treatment interruptions: a randomized study."  
  F. Garcia, M. Plana, M. Arnedo, G.M. Ortiz, J.M. Miro, L. Lopalco, F. Lori, T. Pumarola, T Gallart, J.M. Gatell, Aids, 1/1/2003
• "Dual selection pressure from antiretroviral drug and cell mediated immune response on the HIV- 1 protease gene."  
  A.C. Karlsson, S. G. Deeks, J.D. Barbour, B. D. Heiken, S.R. Younger, R. Hoh, M. Lane, M Sallberg, G.M. Ortiz, J.F. Demerest, T. Liegler, R.M. Grant, J.N. Martin, and ..., J. Virol., 1/1/2003
• "Changes in CD4+ T-cell differentiation phenotype during structured treatment interruption in patients with chronic HIV-1 infection."  
  T.H. Alexander, G.M. Ortiz, M.F. Wellons, A. Allen, E.J. Grace II, B. Schweighardt, J. Brancato, J.K. Sandberg, S.N. Furlan, G.D. Miralles, D.F. Nixon, and J.A. Bartlett, J.A.I.D.S., 1/1/2003
• "Residual viral replication during antiretroviral therapy boosts HIV-1-specific CD8+ T-cell responses in subjects treated early after infection."  
  G.M. Ortiz, J. Hu, J. Goldwitz, R. Chandwandi, M. Larsson, N. Bhardwaj, S. Bonhoeffer, B. Ramratnam, L. Zhang, M.M. Markowitz, and D.F. Nixon, J. Virol., 1/1/2002
• "Emergence of drug resistant variants in subjects undergoing structured treatment interruptions."  
  B. Schweighardt, G.M. Ortiz, R.M. Grant, M. Wellons, D. Montefiori, G.D. Miralles, L.G. Kostrikis, J.A. Bartlett, and D.F. Nixon, Aids, 1/1/2002
• "The virologic and immunologic consequences of structured treatment interruptions in chronic HIV-1 infection."  
  F. Garcia, M. Plana, G.M. Ortiz, S. Bonhoeffer, A. Soriano, C. Vidal, A. Cruceta, M. Arnedo, C. Gil, G. Pantaleo, T. Pumarola, T. Gallart, D.F. Nixon, J.M. Miro, and J..., Aids, 1/1/2001
• "Structured antiretroviral treatment interruptions in chronically HIV-1-infected subjects."  
  G.M. Ortiz, M. Wellons, J. Brancato, H.T.T. Vo, R.L. Zinn, D.E. Clarkson, K.Van Loon, S. Bonhoeffer, G.D. Miralles, D. Montefiori, J.A. Bartlett, and D.F. Nixon, Proc. Nat. Acad. Sci., 1/1/2001
• "The relationship between T-cell proliferative responses and plasma viremia during treatment of HIV-1 infection with combination antiretroviral therapy."  
  J.M. Binley, D.S. Schiller, G.M. Ortiz A. Hurley, D.F. Nixon, M.M. Markowitz, and J.P. Moore, J. Infect. Dis., 1/1/2000
• "Enhancement of HIV-1-specific CD4 and CD8 T-cell responses in chronically infected persons after temporary treatment interruption."  
  E. Papasavvas, G.M. Ortiz, R. Gross, J. Sun, E.C. Moore, J.J. Heymann, M. Moonis, J.K. Sandberg, L.A. Drohan, B. Gallagher, J. Shull, D.F. Nixon, J.R. Kostman, and L.J..., J. Infect. Dis., 1/1/2000
• "Risks and benefits of structured antiretroviral drug therapy interruptions in HIV-1 infection."  
  S. Bonhoeffer, M. Rembiszewski, G.M. Ortiz, and D.F. Nixon, Aids, 1/1/2000
• "HIV-1-specific immune responses in subjects who temporarily contain virus replication after discontinuation of highly active antiretroviral therapy."  
  G.M. Ortiz, D.F. Nixon, A. Trkola, J. Binley, X. Jin, S. Bonhoeffer, P.J. Kuebler, S.M. Donahoe, M.A. Demoitie, W.M. Kakimoto, T. Ketas, B. Clas, J.J. Heymann, L. Zhan..., J. Clin. Inves., 1/1/1999
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Books/Book Chapters

• UCSF Hospitalist Handbook 
  Chapter: Infectious Diseases 
  Gabriel M. Ortiz

Abstracts/Posters

• "Immunologic and Virologic Factors at Baseline May Predndct Response to Structural Therapy Interruption in iEarly Stage Chronic HIV-1 Infection"
  F. García, M. Plana, G.M. Ortiz, A. Soriano, C. Vidal, A. Cruceta, M. Arnedo, C. Gil, G. Pantaleo, T. Pumarola, T. Gallart, D.F. Nixon, J.M. Miró, J.M. Gatell, 2nd Conference on Vaccine Development and Immunotherapy in HIV, San Juan, Puerto Rico, 5/1/2001
• "Assessment of virus-specific CD8+ T cell function: how does production of cytokine correlate with lytic capacity ex vivo?"
  A.B. McDermott, W.J. Moretto, G.M. Ortiz, M.E. Sheehy, and D.F. Nixon, HIV Pathogenesis. Keystone Symposia, Keystone, CO, 3/28/2001
• "Immune control of HIV following antiviral therapy?"
  G.M. Ortiz, M. Wellons, J. Brancato, D. Clarkson, G.D. Miralles, D. Montefiore, N. Bhardwaj, J.K. Sandberg, K. Van Loon, J.A. Bartlett, and D.F. Nixon, HIV Pathogenesis. Keystone Symposia, Keystone, CO, 3/28/2001
• "Residual viral replication during antiretroviral therapy boosts HIV-1-specific CD8+ cell responses in subjects treated early after infection."
  G.M. Ortiz, J. Hu, J. Goldwitz, R. Chandwani, M. Larsson, N. Bhardwaj, S. Bonhoeffer, B. Ramratnam, L. Zhang, M. Markowitz, and D.F. Nixon, HIV Pathogenesis. Keystone Symposia, Keystone, CO, 3/28/2001
• "A Controlled Trial of Treatment Interruption in Chronically HIV-infected Subjects"
  M.F. Wellons, A.J. Jacobson, K. VanLoon, G.D. Miralles, D. Montefiori, J.A. Bartlett, D.F. Nixon, G.M. Ortiz, XIIIth International AIDS Conference, Durban, South Africa, 7/1/2000
• "A subset of HIV-specific effector CD8+ T cells is killed by macrophages during HIV infection"
  G. Herbein, G.M. Ortiz, X. Han, J.E. Nichols, N.J. Roberts Jr., D.F. Nixon, and W. O'Brien, Novel Biological Approaches to HIV-1 Infection Based in New Insights into HIV Biology, Keystone, CO, 4/1/2000
• "The HIV-1-specific CD8+ T cell response in primary HIV infection"
  D.F. Nixon, J.Hu, J. Goldwitz, R. Chandwandi, G.M. Ortiz, M. Larsson, N. Bhardwaj, A. Hurley, D.D. Ho, and M.M. Markowitz, Novel Biological Approaches to HIV-1 Infection Based in New Insights into HIV Biology, Keystone, CO, 4/1/2000
• "Longitudinal HIV-1-specific CD8+ T cell responses in acute and chronic HIV-infected subjects after starting HAART."
  G.M. Ortiz, J. Hu, J. Goldwitz, B. Ramratnam, A. Hurley, L. Zhang, D.D. Ho, M.M. Markowitz, and D.F. Nixon, Novel Biological Approaches to HIV-1 Infection Based in New Insights into HIV Biology, Keystone, CO, 4/1/2000
• "Structured cyclic antiretroviral therapy interruption (STI) in chronic infection may induce immune responses against HIV 1 antigens associated with spontaneous drop i...
  F. Garcia, M. Plana, G.M. Ortiz, A. Soriano, C. Vidal, A. Cruceta, M. Arnedo, G. Pantaleo, T. Pumarola, T. Gallart, D.F. Nixon, J.M. Miro, and J.M. Gatell, 7th Conference on Retroviruses and Opportunistic Infections, San Francisco, CA, 2/1/2000
• "Boosting of HIV-1-specific cellular immune responses in chronically infected persons following treatment interruptions."
  G.M. Ortiz, E. Papasavaas, R. Gross, J. Sun, E.C. Moore, J.J. Heymann, M. Moonis, B. Gallagher, J. Shull, D.F. Nixon, J.R. Kostman, and L.J. Montaner, 7th Conference on Retroviruses and Opportunistic Infections, San Francisco, CA, 2/1/2000
• "The HIV-1-Specific CD8+ T Cell Response in Primary HIV-1 Infection."
  D.F. Nixon, J. Hu, J. Goldwitz, R. Chandwani, G.M. Ortiz, M. Larsson, N. Bhardwaj, A. Hurley, D.D. Ho, anthd M. Markowitz, 7th Conference on Retroviruses and Opportunistic Infections, San Francisco, CA, 2/1/2000
• "Longitudinal HIV-1-Specific CDth + T Cell Responses in Acute and Chronic 8 HIV-Infected Subjects After Starting HAART."
  G.M. Ortiz, J. Hu, J. Goldwitz, B. Ramratnam, A. Hurley, L. Zhang, D.D. Ho, M.M. Markowitz, and D.F. Nixon, 7th Conference on Retroviruses and Opportunistic Infections, San Francisco, CA, 2/1/2000
• "Transmitted Multi-Drug Resistantth(MDR) HIV-1: Virologic and Immunologic Characterization during and after Treatment."
  V. Simon, J. Vanderhoeven, G.M. Ortiz, M.E. Sheehy, A. Hurley, X. Jin, G. Deschenes, K. Dawson, N. Parkin, D.F. Nixon, and M. Markowitz, 8th Conference on Retroviruses and Opportunistic Infections, Chicago, IL, 2/1/2000
• "Distinct Outcomes to Multiple Treatment Interruptions in Chronic Infection."
  E. Papasavvas, J. Kostman, G.M. Ortiz, D.F. Nixon, E.C. Moore, J. Shull, and L.J. Montaner, 8th Conference on Retroviruses and Opportunistic Infections, Chicago, IL, 2/1/2000
• "Outcome after 1 Year of HAART, 3 Cycles of STI and 12 Months Off Therapy vs Natural Evolution Without ART in Early Chronic HIV-1 Infection (CHI). A Case-Control Study."
  F. García, M. Plana, G.M. Ortiz, A. Soriano, C. Vidal, A. Cruceta, M. Arnedo, C. Gil, G. Pantaleo, T. Pumarola, T. Gallart, D.F. Nixon, J.M. Miró, and J.M. Gatell, 8th Conference on Retroviruses and Opportunistic Infections, Chicago, IL, 2/1/2000
• "Influence of Hydroxyurea (HU) Associated with HAART and Maintained During Periods Off Antiretroviral Therapy in STI on the HIV-1-Specific Immune Responses."
  M. Plana, F. García, G.M. Ortiz, C. Martínez, A. Soriano, M.J. Maleno, A. García, M. Lejeune, T. Gallart, D.F. Nixon, J.M. Miró, and J.M. Gatell, 8th Conference on Retroviruses and Opportunistic Infections, Chicago, IL, 2/1/2000
• "HIV-1-Specific T-Cell Responses and Spontaneous Control of Viremia Can Be Detected after the First Cycle of Structured Treatment Interruptions (STI) in Patients Recei...
  J.M. Miro, C. Tortajada, M. Plana, G.M. Ortiz, M. J. Maleno, M. Arnedo, L. Lozano, C. Vidal, A. Garcia, T. Pumarola, D.F. Nixon, T. Gallart, F. Garcia, and J.M. Gatell, 8th Conference on Retroviruses and Opportunistic Infections, Chicago, IL, 2/1/2000
• "Containment of breakthrough HIV plasma viremia in the absence of antiretroviral drug therapy is associated with a broad and vigorous HIV specific cytotoxic T lymphocy...
  G.M. Ortiz, X. Jin, M.A. Demoitie, S. Donahoe, P.J. Kuebler, S. Bonhoeffer, W.M. Kakimoto, Y. Cao, D.D. Ho, M. Markowitz, and D.F. Nixon, 6th Conference on Retroviruses and Opportunistic Infections, Chicago, IL, 1/31/1999
• "HIV-1 Nef specific CTL precursors dominate in primary HIV infection and are inversely correlated with plasma load of viral RNA."
  D.F. Nixon, X. Jin, S. Bonhoeffer, P.J. Kuebler, C.G.P. Roberts, W.M. Kakimoto, G.M. Ortiz, T. Beadle, Y. Cao, D.D. Ho, and M.M. Markowitz, HIV Vaccine Development: Opportunities and Challenges, Keystone Symposia, Keystone, CO, 1/1/1999
• " Temporary containment of viral replication after cessation of antiretroviral drug therapy"
  G.M. Ortiz, X. Jin, M.A. Demoitie, S. Donahoe, P.J. Kuebler, S. Bonhoeffer, W.M. Kakimoto, Y.Cao, D.D. Ho, M.M. Markowitz, and D.F. Nixon, HIV Vaccine Development: Opportunities and Challenges, Keystone Symposia, Keystone, CO, 1/1/1999
• "The association of HIV-specific CTL with control of HIV plasma viremia during a period of non-adherence to triple combination antiretroviral therapy."
  G.M. Ortiz, P.J. Kuebler, X. Jin, S. Bonhoeffer, W.M. Kakimoto, Y. Cao, D.D. Ho, M.M. Markowitz, and D.F. Nixon, HIV Pathogenesis and Treatment. Keystone Symposia, Park City, UT, 3/1/1998
• "The impact of early anti-retroviral therapy on the evolution of the HIV-specific CTL response."
  D.F. Nixon, X. Jin, P.J. Kuebler, C.G.P. Roberts, W.M. Kakimoto, G.M. Ortiz, Y. Cao, M. Vesanen, S. Bonhoeffer, A. Hurley, R.A. Koup, D.D. Ho, and M.M. Markowitz, Molecular Aspects of Viral Immunity, Keystone Symposia, Tamarron, CO, 2/1/1998
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Lectures

• Those genes express maturity: transcriptional measurement of the transition from fetal to adult immunity. 
  Building 30, 2nd Floor Conference Room, San Francisco General Hospital, UCSF, San Francisco, CA - 1/1/2012
• Impact of opiates on SIV-infection. Scientific data update and future research directions. 
  Ward 84, San Francisco General Hospital, UCSF, San Francisco, CA - 1/1/2012
• Impact of opiates on SIV-infection. Review of scientific data and future research directions. 
  Ward 84, San Francisco General Hospital, UCSF, San Francisco, CA - 1/1/2011
• The immunosuppressive effects of opiates in non-human primates before and after SIV infection. 
  Mission Bay Lecture Hall, UCSF, San Francisco, CA - 1/1/2011
• Intra-abdominal infections-an overview. 
  Room C-130, Moffit-Long Hospital, UCSF, San Francisco, CA - 1/1/2010
• Potential role of myeloid-derived suppressor cells in HIV-infection. 
  Mission Bay Lecture Hall, UCSF, San Francisco, CA - 1/1/2010
• Case 3-2003 - A 36-Year-Old Man with Renal Failure, Hypertension, and Neurologic Abnormalities. 
  Carr Auditorium of SFGH, San Francisco, CA - 1/1/2008
• "Activation and inhibition: finding the right balance." Topic: Discussion on the potential clinical relevance of CTLA-4 and PD-1 inhibitory molecule expression on lymp... 
  UCSF, San Francisco, CA - 1/1/2008
• Case 22-2002 - A 37-Year-Old Man with Unexplained Fever after a Long Trip through South America. 
  Carr Auditorium of SFGH, San Francisco, CA - 1/1/2008
• Mysterious Case of aFever of Unknown Origin. 
  Carr Auditorium of SFGH, San Francisco, CA - 1/1/2008
• Intra-abdominal infections-an overview. Focused on the sound clinical approach to the management and treatment of various intra-abdominal infectious processes. 
  Room U-456, Moffit-Long Hospital, UCSF, San Francisco, CA - 1/1/2008
• "Eye of the storm: case of progressive multifocal leukoencephalopathy." 
  San Francisco, CA - 1/5/2007
• "Amp-ed up: case of gram negative rod meningitis and review of their antibiotic resistance mechanisms." 
  Moffitt-Long Hospital, UCSF, San Francisco, CA - 1/1/2007
• "Sound the alarm bells: case of bilateral facial nerve palsy." 
  Moffitt-Long Hospital, UCSF, San Francisco, CA - 1/1/2007
• "PD-1: Novel t arget for HIVimmunotherapeutics." Discussion of the role of PD-1 in HIV infection based on manuscript by Day et.al. 
  San Francisco, CA - 1/1/2007
• "Relapsing Rogue: case of disseminated CMV in an autologous bone marrow transplant patient with AIDS." 
  Moffitt-Long Hospital, UCSF, San Francisco, CA - 1/1/2007
• "Window to the soul a case of a hypopyon as a presenting sign for disseminated pneumococcal infection." 
  Moffitt-Long Hospital, UCSF, San Francisco, CA - 1/1/2007
• "Eye of the Storm - a clinical case presentation of the management of PML in an AIDS patient." 
  Carr Auditorium, SFGH, San Francisco, CA - 1/1/2007
• "CCR5 and its role in HIV: implications of CCR5 antagonism in HIV infection." Discussion of HIV tropism and relevance for HIV central nervous system infection based on... 
  San Francisco, CA - 1/1/2006
• "To treat or not to treat with antibiotics: case of suspected E.coli O157:H7 hemolytic uremic syndrome." 
  Moffitt-Long Hospital, UCSF, San Francisco, CA - 1/1/2006
• "The ten year fever: discussion of a suspected case of brucellosis." 
  San Francisco, CA - 1/1/2006
• "Mystery of the ring-enhancing central nervous system lesion." 
  Moffitt-Long Hospital, UCSF, San Francisco, CA - 1/1/2006
• "Coccidioidal meningitis: case presentation and review of management." 
  San Francisco, CA - 1/1/2006
• "Bad to the bone: case of aspergillus osteomyelitis." 
  Moffitt-Long Hospital, UCSF, San Francisco, CA - 1/1/2006
• "HIV Vaccines: is there such a thing?" 
  Moffitt-Long Hospital, UCSF, San Francisco, CA - 1/1/2006
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Other

• "Acinetobacter in military personnel." Case vignette. 
  Gabriel M. Ortiz, David Graham, www.antimicrobe.org
  http://antimicrobe.org/history/acinetobacter-rev%2009-07.asp