G A Herrera

Summary

Affiliation: Louisiana State University Health Sciences Center
Country: USA

Publications

  1. ncbi Sarcoma and look-alikes: the important role of ultrastructural evaluation
    Guillermo A Herrera
    Department of Pathology, Saint Louis University, St Louis, Missouri 63104, USA
    Ultrastruct Pathol 32:43-50. 2008
  2. ncbi The contributions of electron microscopy to the understanding and diagnosis of plasma cell dyscrasia-related renal lesions
    G A Herrera
    Department of Pathology, Louisiana State University Health Sciences Center, 1501 Kings Highway, Shreveport, LA 71130, USA
    Med Electron Microsc 34:1-18. 2001
  3. ncbi Renal pathologic spectrum in an autopsy series of patients with plasma cell dyscrasia
    Guillermo A Herrera
    Department of Pathology, Louisiana State University Health Sciences Center, Shreveport 71130 3932, USA
    Arch Pathol Lab Med 128:875-9. 2004
  4. ncbi Electron microscopy in the diagnosis of BK-polyoma virus infection in the transplanted kidney
    Guillermo A Herrera
    Department of Pathology, Louisiana State University Health Sciences Center, Shreveport, USA
    Ultrastruct Pathol 29:469-74. 2005
  5. ncbi Current role of electron microscopy in the diagnosis of pigmented tumors
    Guillermo A Herrera
    Department of Pathology, Louisiana State University Health Sciences Center, Shreveport, LA 71101, USA
    Semin Diagn Pathol 20:60-71. 2003
  6. ncbi The value of electron microscopy in the diagnosis and clinical management of lupus nephritis
    G A Herrera
    Department of Pathology, Louisiana State University, Shreveport 71130, USA
    Ultrastruct Pathol 23:63-77. 1999
  7. ncbi Glomerulopathic light chain-mesangial cell interactions modulate in vitro extracellular matrix remodeling and reproduce mesangiopathic findings documented in vivo
    G A Herrera
    Department of Pathology, Louisiana State University Medical Center, Shreveport 71130, USA
    Ultrastruct Pathol 23:107-26. 1999
  8. ncbi The ultrastructural and immunohistochemical heterogeneity of CD-30-positive neoplasms: so-called anaplastic large cell Ki-1 lymphomas
    E A Turbat-Herrera
    Louisiana State University Health Sciences Center, Department of Pathology, 1501 Kings Highway, Shreveport, LA 71130, USA
    Med Electron Microsc 34:19-28. 2001
  9. ncbi Role of electron microscopy in transplant renal pathology
    G A Herrera
    Department of Pathology, Louisiana State University, Shreveport 71130, USA
    Ultrastruct Pathol 21:481-98. 1997
  10. ncbi Immunoelectron microscopy in the age of molecular pathology
    G A Herrera
    Department of Pathology, Louisiana State University Health Sciences Center, Shreveport 71130, USA
    Appl Immunohistochem Mol Morphol 8:87-97. 2000

Collaborators

Detail Information

Publications48

  1. ncbi Sarcoma and look-alikes: the important role of ultrastructural evaluation
    Guillermo A Herrera
    Department of Pathology, Saint Louis University, St Louis, Missouri 63104, USA
    Ultrastruct Pathol 32:43-50. 2008
    ....
  2. ncbi The contributions of electron microscopy to the understanding and diagnosis of plasma cell dyscrasia-related renal lesions
    G A Herrera
    Department of Pathology, Louisiana State University Health Sciences Center, 1501 Kings Highway, Shreveport, LA 71130, USA
    Med Electron Microsc 34:1-18. 2001
    ..This review highlights the role that electron microscopy has played and continues playing in the characterization of plasma cell dyscrasias-related renal lesions...
  3. ncbi Renal pathologic spectrum in an autopsy series of patients with plasma cell dyscrasia
    Guillermo A Herrera
    Department of Pathology, Louisiana State University Health Sciences Center, Shreveport 71130 3932, USA
    Arch Pathol Lab Med 128:875-9. 2004
    ..Renal dysfunction in plasma cell dyscrasias is common. It is the second most common cause of death in patients with myeloma...
  4. ncbi Electron microscopy in the diagnosis of BK-polyoma virus infection in the transplanted kidney
    Guillermo A Herrera
    Department of Pathology, Louisiana State University Health Sciences Center, Shreveport, USA
    Ultrastruct Pathol 29:469-74. 2005
    ..Management of patients with polyoma virus nephropathy is difficult since there is no specific antiviral therapy available at this time...
  5. ncbi Current role of electron microscopy in the diagnosis of pigmented tumors
    Guillermo A Herrera
    Department of Pathology, Louisiana State University Health Sciences Center, Shreveport, LA 71101, USA
    Semin Diagn Pathol 20:60-71. 2003
    ..Pathologists should be aware of the entire immuno-morphological spectrum associated with melanocytic neoplasms to be able to address diagnostic difficulties that may, arise as a consequence of the heterogeneity of these tumors...
  6. ncbi The value of electron microscopy in the diagnosis and clinical management of lupus nephritis
    G A Herrera
    Department of Pathology, Louisiana State University, Shreveport 71130, USA
    Ultrastruct Pathol 23:63-77. 1999
    ..In some of these patients, electron microscopy provides key information that cannot be otherwise obtained...
  7. ncbi Glomerulopathic light chain-mesangial cell interactions modulate in vitro extracellular matrix remodeling and reproduce mesangiopathic findings documented in vivo
    G A Herrera
    Department of Pathology, Louisiana State University Medical Center, Shreveport 71130, USA
    Ultrastruct Pathol 23:107-26. 1999
    ..Using this in vitro model, it is then possible to delineate the LC interactions with putative receptors at the mesangial cell surface that regulate mesangial cell pathobiologic responses and mesangial matrix homeostasis...
  8. ncbi The ultrastructural and immunohistochemical heterogeneity of CD-30-positive neoplasms: so-called anaplastic large cell Ki-1 lymphomas
    E A Turbat-Herrera
    Louisiana State University Health Sciences Center, Department of Pathology, 1501 Kings Highway, Shreveport, LA 71130, USA
    Med Electron Microsc 34:19-28. 2001
    ..We review here the heterogeneity of CD-30-positive neoplasms (so-called anaplastic large cell Ki-1 lymphomas)...
  9. ncbi Role of electron microscopy in transplant renal pathology
    G A Herrera
    Department of Pathology, Louisiana State University, Shreveport 71130, USA
    Ultrastruct Pathol 21:481-98. 1997
    ..The other possible indications are much more controversial. This paper summarizes and critically reviews the literature available on this subject and defines recommendations based on the information available at the current time...
  10. ncbi Immunoelectron microscopy in the age of molecular pathology
    G A Herrera
    Department of Pathology, Louisiana State University Health Sciences Center, Shreveport 71130, USA
    Appl Immunohistochem Mol Morphol 8:87-97. 2000
    ....
  11. ncbi The role of ultrastructural pathology in the diagnosis of epithelial and unusual renal tumors
    G A Herrera
    Department of Pathology, University of Alabama, Birmingham 35233 7331, USA
    Ultrastruct Pathol 20:7-26. 1996
    ..An attempt is made to address histogenesis/differentiation issues that would help in understanding morphologic findings, with an emphasis placed on the role that ultrastructural evaluation has played in demonstrating these...
  12. ncbi Monoclonal light chain--mesangial cell interactions: early signaling events and subsequent pathologic effects
    W J Russell
    Department of Pathology, Louisiana State University Health Sciences Center, Shreveport, Louisiana 71130, USA
    Lab Invest 81:689-703. 2001
    ..Dissecting the events taking place when G-LC interact with MC may define potential important targets for selective therapeutic manipulation to ameliorate or prevent the glomerular injury that ensues...
  13. ncbi The mesangium as a target for glomerulopathic light and heavy chains: pathogenic considerations in light and heavy chain-mediated glomerular damage
    John Keeling
    Department of Pathology, Saint Louis University School of Medicine, St Louis, MO 63104, USA
    Contrib Nephrol 153:116-34. 2007
    ..The present chapter will address the pathogenesis of these disorders with an emphasis on highlighting crucial steps possibly amenable to therapeutic intervention to stop or ameliorate adverse consequences leading to irreversible changes...
  14. ncbi Human papillomavirus typing of rare cervical carcinomas
    Janice Matthews-Greer
    Department of Pathology, Louisiana State University Health Sciences, Shreveport 71130 3932, USA
    Arch Pathol Lab Med 128:553-6. 2004
    ....
  15. ncbi The kidney in plasma cell dyscrasias: a current view and a look at the future
    Guillermo A Herrera
    Department of Pathology, Saint Louis University School of Medicine, Saint Louis, MO 63104, USA
    Contrib Nephrol 153:1-4. 2007
  16. ncbi AL-amyloidosis and light-chain deposition disease light chains induce divergent phenotypic transformations of human mesangial cells
    John Keeling
    Department of Pathology, Louisiana State University Health Sciences, Shreveport, LA 71130, USA
    Lab Invest 84:1322-38. 2004
    ..Data obtained in this study highlighted that HMCs incubated with LCDD-LCs undergo a myofibroblastic phenotypic transformation, while AL-Am-LCs induce a macrophage-like phenotype in these cells...
  17. ncbi AL-amyloidosis is underdiagnosed in renal biopsies
    Lea Novak
    Department of Pathology, University of Alabama at Birmingham, AL 35294, USA
    Nephrol Dial Transplant 19:3050-3. 2004
    ..The purpose of this study was to document the sensitivity of immunofluorescence microscopy in AL-amyloidosis...
  18. ncbi eIF4E as a marker for cervical neoplasia
    Janice Matthews-Greer
    Department of Pathology, Louisiana State University Health Sciences Center at Shreveport, 71130, USA
    Appl Immunohistochem Mol Morphol 13:367-70. 2005
    ..86 and 0.97, respectively). These results indicate that eIF4E stain intensity may be useful as a marker for cervical neoplasia...
  19. ncbi Electron microscopy renders the diagnostic capabilities of cytopathology more precise: an approach to everyday practice
    Elba A Turbat-Herrera
    Department of Pathology, Louisiana State University Health Science Center, Shreveport, USA
    Ultrastruct Pathol 29:475-82. 2005
    ..adenocarcinoma, and the origin of adenocarcinomas of unknown primary. The authors discuss how they approach these diagnostic problems in their everyday practice and how they incorporate EM in solving them...
  20. ncbi Hepatoblastoma in a 15-month-old male: cytomorphology, electron microscopy, and differential diagnosis
    Ravindra Veeramachaneni
    Department of Pathology, Louisiana State University, Shreveport, Louisiana 71130, USA
    Ultrastruct Pathol 27:369-73. 2003
    ..The patient underwent chemotherapy for 4 months and subsequently a partial liver resection was performed. This case illustrates the important role of electron microscopy in evaluating small round cell tumors in children...
  21. ncbi Organized deposits in the kidney and look-alikes
    David N Howell
    Department of Pathology, Duke University and Veterans Affairs Medical Centers, Durham, North Carolina 27710, USA
    Ultrastruct Pathol 27:295-312. 2003
    ..Correlative light microscopic studies are often useful, however, and will be described as well...
  22. ncbi Glomerulopathies with organized deposits
    Samy S Iskandar
    Department of Pathology, Wake Forest University School of Medicine, Winston Salen, NC 27157 1072, USA
    Semin Diagn Pathol 19:116-32. 2002
    ..We also point out matrical fibrillary deposits that may mimic some of the above entities at the ultrastructural level. Emphasis is placed, through comparative illustrations, on the prominent role of electron microscopy...
  23. ncbi The value of electron microscopy in the diagnosis of IgA nephropathy
    Xin Gu
    Department of Pathology, Louisiana State University Health Sciences Center Shreveport, Shreveport Louisiana 71130, USA
    Ultrastruct Pathol 26:203-10. 2002
    ..Electron microscopy can be crucial in providing information either to support a diagnosis of IgA nephropathy or to aid in the diagnosis of one of its mimics...
  24. ncbi Thrombotic microangiopathy in cocaine abuse-associated malignant hypertension: report of 2 cases with review of the literature
    Xin Gu
    Department of Pathology, Louisiana State University Health Sciences Center, 1501 Kings Hwy, Shreveport, LA 71130, USA
    Arch Pathol Lab Med 131:1817-20. 2007
    ..Cocaine-mediated endothelial injury and platelet activation may play important pathogenetic roles in cocaine abusers who develop acute renal failure and malignant hypertension...
  25. ncbi Light chain crystal deposition as a manifestation of plasma cell dyscrasias: the role of immunoelectron microscopy
    Xin Gu
    Louisiana State University Health Sciences Center, Shreveport, LA, USA
    Hum Pathol 34:270-7. 2003
    ..It must be emphasized that in some patients the plasma cell dyscrasia does not become clinically manifested until years after the diagnosis of light chain crystal deposition...
  26. ncbi BK polyomavirus in renal transplants: role of electron microscopy and immunostaining in detecting early infection
    Shanila Latif
    Department of Pathology, Louisiana State University Health Sciences Center, Shreveport, Louisiana, USA
    Ultrastruct Pathol 31:199-207. 2007
    ..A combined approach using electron microscopic and immunohistochemical evaluation can be utilized effectively to identify BK virus-associated nephropathy at an early phase facilitating early clinical intervention...
  27. ncbi Role of translational research advancing the understanding of the pathogenesis of light chain-mediated glomerulopathies
    Jiamin Teng
    Department of Pathology, Saint Louis University Medical Center, Sait Louis, Missouri 63104, USA
    Pathol Int 57:398-412. 2007
    ..However, in the last few years a new generation of animal models has emerged to address whether what has been documented in vitro retains significance in vivo. Preliminary observations appear to substantiate this...
  28. ncbi Light-chain-mediated acute tubular interstitial nephritis: a poorly recognized pattern of renal disease in patients with plasma cell dyscrasia
    Xin Gu
    Department of Pathology, Louisiana State University Health Sciences Center, Shreveport, LA 71103, USA
    Arch Pathol Lab Med 130:165-9. 2006
    ....
  29. ncbi EGFR expression as an ancillary tool for diagnosing lung cancer in cytology specimens
    Eric X Wei
    Department of Hematopathology, University of Texas, MD Anderson Cancer Center, Houston, TX 77030, USA
    Mod Pathol 20:905-13. 2007
    ..FISH and IHC analysis of EGFR, possibly along with other tumor markers, may be a useful ancillary tool to classify difficult cytology cases and inform clinicians arranging targeted chemotherapy...
  30. ncbi Paraproteinemic renal diseases that involve the tubulo-interstitium
    Guillermo A Herrera
    Department of Pathology, St Louis University, St Louis, MO, USA
    Contrib Nephrol 153:105-15. 2007
    ..A description of the pathobiology and overview of the approach to management of these light chain-mediated renal lesions is provided...
  31. ncbi Plasma cell dyscrasia with kappa light-chain crystals in proximal tubular cells: a histological, immunofluorescent, and ultrastructural study
    Guoping Cai
    Department of Pathology, New York University Medical Center, New York, New York, USA
    Ultrastruct Pathol 30:315-9. 2006
    ..Ultrastructurally, the crystals appear to be located within lysosomes. No deposits of light-chains were seen elsewhere in the kidney biopsy...
  32. ncbi Human matrix metalloproteinases: characteristics and pathologic role in altering mesangial homeostasis
    John Keeling
    Department of Pathology, Louisiana State University Health Sciences Center, Shreveport, Louisiana, USA
    Microsc Res Tech 71:371-9. 2008
    ..The mesangium is either replaced or expanded depending on the light chains involved in the pathologic process...
  33. ncbi The burden of "sticky" amyloid: typing challenges
    Maria M Picken
    Arch Pathol Lab Med 131:850-1. 2007
  34. ncbi Plasticity of mesangial cells: a basis for understanding pathological alterations
    Guillermo A Herrera
    Saint Louis University School of Medicine, Department of Pathology, 1402 S Grand Blvd, St Louis, Missouri 63104, USA
    Ultrastruct Pathol 30:471-9. 2006
    ..The potential for bone marrow-derived cells to differentiate into mesangial cells and repopulate damaged mesangium, thus "healing" what is today considered to be irreversible damage represents an exciting new area of research...
  35. ncbi Ultrastructure of tubular casts
    Norma Ofelia Uribe-Uribe
    Instituto Nacional de Ciencias Medicas y Nutricion, Salvador Zubiran and Fundacion Mexicana para la Salud, Mexico City, Mexico
    Ultrastruct Pathol 30:159-66. 2006
    ..64%). A case of aminoglycoside toxicity revealed casts with myeloid bodies. Ultrastructural evaluation of casts may provide useful information that may be critical to establish or suggest a specific diagnosis...
  36. ncbi Matrix metalloproteinases and mesangial remodeling in light chain-related glomerular damage
    John Keeling
    Department of Pathology, Louisiana State University Health Sciences Center, Shreveport, Louisiana 71130, USA
    Kidney Int 68:1590-603. 2005
    ..Alterations of the mesangial ECM in AL-amyloidosis (AL-Am) and light chain deposition disease (LCDD) are crucial in their pathogeneses as two divergent entities...
  37. ncbi Pathology case of the month. Case of heme-positive stools. Gastrointestinal stromal tumor
    Michael Constantinescu
    Department of Pathology, Louisiana State University Health Sciences Center, Shreveport, USA
    J La State Med Soc 155:17-20. 2003
  38. ncbi Immunoglobulin heavy chain can be amyloidogenic: morphologic characterization including immunoelectron microscopy
    Hoa L Mai
    Department of Pathology, Ben Taub General Hospital and Baylor College of Medicine, Houston, TX 77030, USA
    Am J Surg Pathol 27:541-5. 2003
    ..Furthermore, this type of amyloidosis shares the same morphologic features with other types of amyloidosis and can involve the kidney to produce nephrotic syndrome...
  39. ncbi UltraPath XI: celebrating twenty years
    Gary W Mierau
    Ultrastruct Pathol 27:65-6. 2003
  40. ncbi Ultrapath XI: the academic mission--a view from the program organizer with a historical perspective
    Guillermo A Herrera
    Ultrastruct Pathol 27:131-2. 2003
  41. ncbi Microwave and digital imaging technology reduce turnaround times for diagnostic electron microscopy
    Richard T Giberson
    Ted Pella, Inc, Redding, California 96003, USA
    Ultrastruct Pathol 27:187-96. 2003
    ..The incorporation of both technologies resulted in turnaround times being reduced to 4 h or less...
  42. ncbi Insights into mechanisms responsible for mesangial alterations associated with fibrogenic glomerulopathic light chains
    Jiamin Teng
    Department of Pathology, Louisiana State University Health Sciences Center, Shreveport 71130, USA
    Nephron Physiol 94:p28-38. 2003
    ..Furthermore, the data also reveal that PDGF-beta and TGF-beta act independently and that PDGF-beta activation by itself cannot increase ECM proteins directly, but only by increasing the number of HMCs...
  43. ncbi Different types of glomerulopathic light chains interact with mesangial cells using a common receptor but exhibit different intracellular trafficking patterns
    Jiamin Teng
    Department of Pathology, Louisiana State University Health Sciences Center, 1501 Kings Highway, Shreveport, LA 71130, USA
    Lab Invest 84:440-51. 2004
    ..The data also demonstrated that cubilin and megalin were absent on MCs, so the receptor involved is different from the one already characterized in the proximal tubules...
  44. ncbi [Protein chemistry determines light chain-mediated renal damage in patients with plasma cell dyscrasias: a molecular understanding of variable manifestations]
    Guillermo A Herrera
    Zhonghua Bing Li Xue Za Zhi 32:497-9. 2003
  45. ncbi E-cadherin expression in invasive urothelial carcinoma
    Wei Sun
    Department of Pathology, The University of Texas M D Anderson Cancer Center, Houston, TX, USA
    Ann Diagn Pathol 8:17-22. 2004
    ..Down-regulation of E-CD may be one of the pathways responsible for tumor differentiation and may promote deeper invasion in urothelial carcinomas...
  46. ncbi Atypical amyloidosis: diagnostic challenges and the role of immunoelectron microscopy in diagnosis
    Ravindra Veeramachaneni
    Department of Pathology, Louisiana State University Health Sciences Center, Shreveport, 71130, USA
    Ultrastruct Pathol 28:75-82. 2004
    ....
  47. ncbi P53 protein is a reliable marker in identification of renal tubular injury
    Bernadette K McLaren
    Department of Pathology, Louisiana State University Health Sciences Center, Shreveport, Louisiana 71130, USA
    Appl Immunohistochem Mol Morphol 12:225-9. 2004
    ....
  48. ncbi Cast nephropathy in a case of Waldenström's macroglobulinemia
    Jorge Isaac
    Anatomical Pathology A 513, University of Utah Health Science Center, 50 North Medical Drive, Salt Lake City, UT 84132, USA
    Nephron 91:512-5. 2002
    ..The diagnosis of cast nephropathy in a patient with Waldenström's macroglobulinemia was made. She underwent treatment with fludarabine and plasmapheresis/hemodialysis with dramatic improvement of her renal function...