Difference between revisions of "Molecular pathology"

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===Molecular===
==Molecular==
General:
General:
*Very small changes.
*Very small changes.
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*DNA sequencing - RT-PCR.
*DNA sequencing - RT-PCR.
*RNA sequencing.
*RNA sequencing.
*Southern blot.


===Cytogenetics===
===Tests===
*Hereditary:
**Factor V.
**Factor II.
**[[Hemochromatosis]].
**Malignant hyperthermia.
**Hereditary [[amyloidosis]].
**Alpha thalassemia.
*[[Lymphoma]].
**Follicular lymphoma vs. follicular hyperplasia (BCL2).
**T cell neoplasia.
**B cell neoplasia.
**PTLPD vs. rejection.
**HHV associated lymphomas.
*Leukemia.
*Carcinoma:
**Nasopharyngeal (EBV quantitation).
**HPV testing.
**Metastatic [[colorectal carinoma]].
**Non small cell [[lung cancer]].
**Papillary thyroid carcinoma.
*Other:
**Oligodendroglioma.
**Identity testing (15 STRs and amelogenin (XY) loci).
**Melanoma (KIT, BRAF).
**[[Synovial sarcoma]].
**Myeloproliferative disorders.
**AML, mastocytosis, GIST.
 
==Cytogenetics==
General:
General:
*Large changes (chromosomal).
*Large changes (chromosomal).

Revision as of 12:51, 3 May 2011

Molecular pathology is the future of pathology.

Overview

Molecular pathology can be divided as follows:

 
 
 
Molecular
pathology
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Molecular
 
 
 
Cytogenetics

Molecular

General:

  • Very small changes.

Techniques:

  • DNA sequencing - RT-PCR.
  • RNA sequencing.
  • Southern blot.

Tests

  • Hereditary:
  • Lymphoma.
    • Follicular lymphoma vs. follicular hyperplasia (BCL2).
    • T cell neoplasia.
    • B cell neoplasia.
    • PTLPD vs. rejection.
    • HHV associated lymphomas.
  • Leukemia.
  • Carcinoma:
  • Other:
    • Oligodendroglioma.
    • Identity testing (15 STRs and amelogenin (XY) loci).
    • Melanoma (KIT, BRAF).
    • Synovial sarcoma.
    • Myeloproliferative disorders.
    • AML, mastocytosis, GIST.

Cytogenetics

General:

  • Large changes (chromosomal).
    • Maximum resolution 3-4 megabase pairs (3-4 million base pairs); may be less - dependent on band density.[1]

Techniques:

  • ISH = in situ hybridization.
    • FISH = fluorescent in situ hybridization.
    • SISH = silver in situ hybridization.[2]

Image:

World protein databank

I can't help think it is ironic that the protein databank goal is to maintain a free and publicly available archive,[3] yet the announcement is in pay-for-access journal (Nature Structual Biology).[4]

Wnt/beta-catenin pathway

Important in hepatoblastomas.[5]

See also

References

  1. Humphrey, Peter A; Dehner, Louis P; Pfeifer, John D (2008). The Washington Manual of Surgical Pathology (1st ed.). Lippincott Williams & Wilkins. pp. 695. ISBN 978-0781765275.
  2. URL: http://www.immunoportal.com/modules.php?name=News&file=article&sid=186. Accessed on: 2 May 2011.
  3. Worldwide Protein Data Bank. URL: http://www.wwpdb.org/faq.html Accessed on: April 22, 2009.
  4. Berman H, Henrick K, Nakamura H (December 2003). "Announcing the worldwide Protein Data Bank". Nat. Struct. Biol. 10 (12): 980. doi:10.1038/nsb1203-980. PMID 14634627.
  5. Cotran, Ramzi S.; Kumar, Vinay; Fausto, Nelson; Nelso Fausto; Robbins, Stanley L.; Abbas, Abul K. (2005). Robbins and Cotran pathologic basis of disease (7th ed.). St. Louis, Mo: Elsevier Saunders. pp. 923. ISBN 0-7216-0187-1.