Related Experiment Video
Updated: Jun 26, 2026
11:42
Induction of Mesenchymal-Epithelial Transitions in Sarcoma Cells
Published on: April 7, 2017
Possible association between Carney complex and multiple endocrine neoplasia type 1 phenotypes
Vania S Nunes1, Cláudia V Chang, Gláucia M F S Mazeto
1Department of Clinical Medicine, Universidade Estadual Paulista, Botucatu, SP, Brazil. nunesvania2003@yahoo.com.br
Arquivos Brasileiros De Endocrinologia E Metabologia
|January 27, 2009
Summary
Carney Complex (CNC) and Multiple Endocrine Neoplasia type 1 (MEN1) are genetic disorders. A rare case highlights overlapping diagnostic criteria, suggesting potential new molecular links between these conditions.
Area of Science:
- Endocrinology
- Genetics
- Oncology
Background:
- Carney Complex (CNC) and Multiple Endocrine Neoplasia type 1 (MEN1) are autosomal dominant inherited endocrine neoplasia syndromes.
- Diagnostic criteria for CNC involve specific clinical and genetic markers, while MEN1 is defined by tumors in pituitary, parathyroid, and pancreatic cells.
Observation:
- A 55-year-old male presented with acromegaly, primary hyperparathyroidism, and papillary thyroid cancer.
- The patient's condition exhibited features meeting diagnostic criteria for both CNC and MEN1.
Findings:
- The case presents a diagnostic overlap between Carney Complex and Multiple Endocrine Neoplasia type 1.
- The patient's acromegaly and papillary thyroid cancer association warrants further investigation.
Implications:
- This case suggests potential shared or interacting molecular pathways in endocrine neoplasia.
- Further research may uncover novel mechanisms contributing to complex endocrine syndromes.
Related Concept Videos
01:19Cushing Syndrome II: Pathophysiology
Cortisol production is normally governed by the hypothalamic–pituitary–adrenal (HPA) axis, which maintains hormonal balance through tightly regulated feedback mechanisms. Disruption of this regulatory system is central to the development of Cushing syndrome, whether the excess cortisol originates from external medications or internal pathology. Persistent cortisol elevation alters metabolism, immune function, and endocrine signaling, producing the characteristic clinical features of the...
01:19Interactions Between Signaling Pathways
Signaling cascades usually lack linearity. Multiple pathways interact and regulate one another, allowing cells to integrate and respond to diverse environmental stimuli.
Convergence and divergence, and cross-talk between signaling pathways
Two distinct signaling pathways can converge on a single functional unit, which may either be a single protein or a complex of proteins. The response is either functionally distinct or synergistic between the two pathways but different from the response...
Convergence and divergence, and cross-talk between signaling pathways
Two distinct signaling pathways can converge on a single functional unit, which may either be a single protein or a complex of proteins. The response is either functionally distinct or synergistic between the two pathways but different from the response...
01:33Pleiotropy
Pleiotropy is the phenomenon in which a single gene impacts multiple, seemingly unrelated phenotypic traits. For example, defects in the SOX10 gene cause Waardenburg Syndrome Type 4, or WS4, which can cause defects in pigmentation, hearing impairments, and an absence of intestinal contractions necessary for elimination. This diversity of phenotypes results from the expression pattern of SOX10 in early embryonic and fetal development. SOX10 is found in neural crest cells that form melanocytes,...
01:19Cadherins in Tissue Organization
The cadherins are a superfamily of cell adhesion molecules comprising over 180 variants, with specific tissues expressing a particular combination of cadherin types. Cadherins generally exhibit homophilic binding; i.e., cadherins on one cell bind to cadherins of the same or closely related type on another cell. Thus, cells of the same type have a specific affinity to bind to each other and sort themselves into clusters to form tissues.
Cell Sorting During Development
Cell sorting plays an...
Cell Sorting During Development
Cell sorting plays an...
02:21Cancers Originate from Somatic Mutations in a Single Cell
Cancer arises from mutations in the critical genes that allow healthy cells to escape cell cycle regulation and acquire the ability to proliferate indefinitely. Though originating from a single mutation event in one of the originator cells, cancer progresses when the mutant cell lines continue to gain more and more mutations, and finally, become malignant. For example, chronic myelogenous leukemia (CML) develops initially as a non-lethal increase in white blood cells, which progressively...
01:25Mutagenicity and Carcinogenicity
Mutagenicity and carcinogenicity refer to the ability of drugs to cause genetic defects and induce cancer, respectively. The International Agency for Research on Cancer (IARC) classifies agents into four groups based on their carcinogenic potential. Group 1 agents are known human carcinogens; group 2A agents are probably carcinogenic to humans; group 3 agents lack data to support their role in carcinogenesis; and group 4 includes agents for which data support that they are not likely to be...