Cowden syndrome pathophysiology

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief: Vamsikrishna Gunnam M.B.B.S [2]

Overview

It is thought that cowden syndrome is the result caused by phosphatase and tensin homolog (PTEN) gene mutations. Cowden syndrome follows autosomal dominant pattern of inheritance.

Pathophysiology

Physiology

The normal physiology of PTEN gene can be understood as follows:

Genetics

Pathogenesis

Associated Conditions

Conditions associated with [disease name] include:

  • [Condition 1]
  • [Condition 2]
  • [Condition 3]

Gross Pathology

On gross pathology, [feature1], [feature2], and [feature3] are characteristic findings of [disease name].

Microscopic Pathology

On microscopic histopathological analysis, non dysplastic epithelium, dilated glands, expanded stroma are characteristic findings of colon polyps in cowden syndrome.

References

  1. Nelen MR, Padberg GW, Peeters EA, Lin AY, van den Helm B, Frants RR, Coulon V, Goldstein AM, van Reen MM, Easton DF, Eeles RA, Hodgsen S, Mulvihill JJ, Murday VA, Tucker MA, Mariman EC, Starink TM, Ponder BA, Ropers HH, Kremer H, Longy M, Eng C (May 1996). "Localization of the gene for Cowden disease to chromosome 10q22-23". Nat. Genet. 13 (1): 114–6. doi:10.1038/ng0596-114. PMID 8673088.
  2. Keniry M, Parsons R (September 2008). "The role of PTEN signaling perturbations in cancer and in targeted therapy". Oncogene. 27 (41): 5477–85. doi:10.1038/onc.2008.248. PMID 18794882.
  3. Eng, C. (2000). "Will the real Cowden syndrome please stand up: revised diagnostic criteria". Journal of Medical Genetics. 37 (11): 828–830. doi:10.1136/jmg.37.11.828. ISSN 1468-6244.
  4. Pilarski, R.; Burt, R.; Kohlman, W.; Pho, L.; Shannon, K. M.; Swisher, E. (2013). "Cowden Syndrome and the PTEN Hamartoma Tumor Syndrome: Systematic Review and Revised Diagnostic Criteria". JNCI Journal of the National Cancer Institute. 105 (21): 1607–1616. doi:10.1093/jnci/djt277. ISSN 0027-8874.
  5. Sansal I, Sellers WR (July 2004). "The biology and clinical relevance of the PTEN tumor suppressor pathway". J. Clin. Oncol. 22 (14): 2954–63. doi:10.1200/JCO.2004.02.141. PMID 15254063.
  6. Krymskaya VP, Goncharova EA (February 2009). "PI3K/mTORC1 activation in hamartoma syndromes: therapeutic prospects". Cell Cycle. 8 (3): 403–13. doi:10.4161/cc.8.3.7555. PMID 19177005.
  7. Nelen MR, Padberg GW, Peeters EA, Lin AY, van den Helm B, Frants RR, Coulon V, Goldstein AM, van Reen MM, Easton DF, Eeles RA, Hodgsen S, Mulvihill JJ, Murday VA, Tucker MA, Mariman EC, Starink TM, Ponder BA, Ropers HH, Kremer H, Longy M, Eng C (May 1996). "Localization of the gene for Cowden disease to chromosome 10q22-23". Nat. Genet. 13 (1): 114–6. doi:10.1038/ng0596-114. PMID 8673088.
  8. Stambolic V, Suzuki A, de la Pompa JL, Brothers GM, Mirtsos C, Sasaki T, Ruland J, Penninger JM, Siderovski DP, Mak TW (October 1998). "Negative regulation of PKB/Akt-dependent cell survival by the tumor suppressor PTEN". Cell. 95 (1): 29–39. PMID 9778245.
  9. Nelen MR, Padberg GW, Peeters EA, Lin AY, van den Helm B, Frants RR, Coulon V, Goldstein AM, van Reen MM, Easton DF, Eeles RA, Hodgsen S, Mulvihill JJ, Murday VA, Tucker MA, Mariman EC, Starink TM, Ponder BA, Ropers HH, Kremer H, Longy M, Eng C (May 1996). "Localization of the gene for Cowden disease to chromosome 10q22-23". Nat. Genet. 13 (1): 114–6. doi:10.1038/ng0596-114. PMID 8673088.
  10. Keniry M, Parsons R (September 2008). "The role of PTEN signaling perturbations in cancer and in targeted therapy". Oncogene. 27 (41): 5477–85. doi:10.1038/onc.2008.248. PMID 18794882.
  11. Bennett KL, Mester J, Eng C (December 2010). "Germline epigenetic regulation of KILLIN in Cowden and Cowden-like syndrome". JAMA. 304 (24): 2724–31. doi:10.1001/jama.2010.1877. PMID 21177507.
  12. Cho YJ, Liang P (April 2008). "Killin is a p53-regulated nuclear inhibitor of DNA synthesis". Proc. Natl. Acad. Sci. U.S.A. 105 (14): 5396–401. doi:10.1073/pnas.0705410105. PMC 2291080. PMID 18385383.
  13. Ni Y, Zbuk KM, Sadler T, Patocs A, Lobo G, Edelman E, Platzer P, Orloff MS, Waite KA, Eng C (August 2008). "Germline mutations and variants in the succinate dehydrogenase genes in Cowden and Cowden-like syndromes". Am. J. Hum. Genet. 83 (2): 261–8. doi:10.1016/j.ajhg.2008.07.011. PMC 2495063. PMID 18678321.
  14. Orloff MS, He X, Peterson C, Chen F, Chen JL, Mester JL, Eng C (January 2013). "Germline PIK3CA and AKT1 mutations in Cowden and Cowden-like syndromes". Am. J. Hum. Genet. 92 (1): 76–80. doi:10.1016/j.ajhg.2012.10.021. PMC 3542473. PMID 23246288.
  15. Yehia L, Niazi F, Ni Y, Ngeow J, Sankunny M, Liu Z, Wei W, Mester JL, Keri RA, Zhang B, Eng C (November 2015). "Germline Heterozygous Variants in SEC23B Are Associated with Cowden Syndrome and Enriched in Apparently Sporadic Thyroid Cancer". Am. J. Hum. Genet. 97 (5): 661–76. doi:10.1016/j.ajhg.2015.10.001. PMC 4667132. PMID 26522472.
  16. Colby S, Yehia L, Niazi F, Chen J, Ni Y, Mester JL, Eng C (November 2016). "Exome sequencing reveals germline gain-of-function EGFR mutation in an adult with Lhermitte-Duclos disease". Cold Spring Harb Mol Case Stud. 2 (6): a001230. doi:10.1101/mcs.a001230. PMC 5111001. PMID 27900366.

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