FLCN - foliculin | Elisa - Clia - Antibody - Protein
Family main features
Background
Folliculin (FLCN) is a tumor suppressor protein encoded by the FLCN gene located on chromosome 17p11.2. This protein is implicated in Birt-Hogg-Dubé (BHD) syndrome, a hereditary condition characterized by the development of skin fibrofolliculomas, pulmonary cysts, and an increased risk of renal cancer. FLCN functions in various cellular processes, including regulation of the mTOR (mechanistic target of rapamycin) signaling pathway, which is crucial for cell growth, proliferation, and survival. The gene was first identified due to its association with BHD syndrome, and subsequent research has expanded our understanding of its role in cellular homeostasis and disease.
Protein Structure
Folliculin is a protein composed of 579 amino acids with a molecular weight of approximately 64 kDa. The structure of FLCN includes multiple functional domains:
- N-terminal region: Involved in protein-protein interactions.
- Coiled-coil domain: Facilitates dimerization, essential for its function.
- C-terminal region: Contains motifs that interact with other proteins such as FNIP1 (Folliculin Interacting Protein 1) and FNIP2, which are involved in the regulation of AMPK (AMP-activated protein kinase) and mTOR signaling pathways. The exact three-dimensional structure of FLCN is complex, with several regions contributing to its interaction with various cellular components. Structural studies, including X-ray crystallography, have revealed how mutations in different domains affect its tumor suppressor functions.
Classification and Subtypes
FLCN does not have well-defined subtypes but interacts with various binding partners forming complexes:
- FLCN-FNIP1/FNIP2 complexes: These interactions are crucial for its role in energy sensing and metabolic regulation.
- FLCN-TFE3 interaction: Involved in the regulation of transcription factors and cellular metabolism. Mutations in FLCN can lead to the loss of function and are primarily classified based on their impact on the protein's stability and function.
Function and Biological Significance
Folliculin plays several critical roles in cellular physiology:
- mTOR Signaling Regulation: FLCN negatively regulates mTORC1 signaling, a key pathway controlling cell growth and metabolism.
- Autophagy and Cellular Stress Response: FLCN is involved in the cellular response to nutrient availability and stress, influencing autophagy processes.
- Energy Homeostasis: Through its interaction with AMPK, FLCN helps maintain cellular energy balance.
- Transcription Regulation: By interacting with transcription factors like TFE3, FLCN modulates gene expression related to cell survival and metabolism. These functions underscore the importance of FLCN in maintaining cellular homeostasis and preventing tumorigenesis.
Clinical Issues
Mutations in the FLCN gene are linked to Birt-Hogg-Dubé syndrome, which predisposes individuals to:
- Renal Cell Carcinomas: Various subtypes, including chromophobe and hybrid oncocytic tumors.
- Pulmonary Cysts: Leading to spontaneous pneumothorax.
- Skin Lesions: Fibrofolliculomas and trichodiscomas. Beyond BHD syndrome, aberrations in FLCN expression or function are associated with other cancers and metabolic disorders, highlighting its broader clinical relevance.
Summary
Folliculin (FLCN) is a crucial tumor suppressor protein involved in multiple cellular processes, including mTOR signaling, energy homeostasis, and autophagy. The protein's structure features several domains essential for its interactions with other proteins and its regulatory functions. FLCN's role in disease is most prominently observed in Birt-Hogg-Dubé syndrome, but its broader implications in cancer and metabolism are significant. Understanding FLCN's mechanisms offers insights into potential therapeutic targets for various conditions linked to its dysregulation.
FLCN Recommended name:
folliculin (FCLN)
Aliases for FLCN
BHD,FLCL,DENND8B,Birt-Hogg-Dube syndrome protein,BHD skin lesion fibrofolliculoma protein
En la tabla siguiente se muestra una comparativa de todos los reactivos disponibles en nuestro catálogo (Proteins and Peptides, ELISA Kits, Primary Antibodies, CLIA Kits) relacionados con FLCN - foliculin
Se muestran ordenados por categorías para poder comparar cómodamente sus características principales. Esta tabla, que contiene un enlace con la ficha de cada producto, es exportable a Excel.
Esta página contiene 20 reactivos de las marcas (Abbexa, FineTest) que se corresponden con tu busqueda
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immunoassays
provider | Code | reference | name | reactivity | sample type | assay type | test range | sensitivity | price | size 1 | uniprot id | status |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Abbexa | FLCN | abx151577 | Human Folliculin (FLCN) ELISA Kit | Human | Tissue homogenates,Other biological fluids | Sandwich | 0.312 ng/ml - 20 ng/ml | < 0.12 ng/ml | 687.5 | 96 tests | RUO | |
Abbexa | FLCN | abx495616 | Human Folliculin (FLCN) CLIA Kit | Human | Tissue homogenates and other biological fluids. | Sandwich | 0.312 ng/ml - 20 ng/ml | < 0.112 ng/ml | 845 | 96 tests | RUO | |
Abbexa | FLCN | abx389320 | Mouse Folliculin (FLCN) ELISA Kit | Mouse | Tissue homogenates,Cell lysates,Other biological fluids | Sandwich | 78 pg/ml - 5000 pg/ml | < 46.9 pg/ml | 687.5 | 96 tests | Q8QZS3 | RUO |
Abbexa | FLCN | abx391347 | Rat Folliculin (FLCN) ELISA Kit | Rat | Tissue homogenates,Cell lysates,Other biological fluids | Sandwich | 0.156 ng/ml - 10 ng/ml | < 0.094 ng/ml | 687.5 | 96 tests | Q76JQ2 | RUO |
Primary Antibodies
provider | Code | reference | name | reactivity | clonality | host | immunogen target | isotype | conjugation | tested applications | price | size 1 | uniprot id | status |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
FineTest | FLCN | FNab10758 | anti- FLCN antibody | human | polyclonal | Rabbit | folliculin | IgG | Unconjugated | ELISA, WB | 100µg | Q8NFG4 | RUO | |
FineTest | FLCN | FNab03157 | anti- FLCN antibody | human | polyclonal | Rabbit | folliculin | IgG | Unconjugated | ELISA, WB, IHC, IP | 100µg | Q8NFG4 | RUO | |
Abbexa | FLCN | abx341875 | Folliculin (FLCN) Antibody (HRP) | Human | Polyclonal | Rabbit | Folliculin (FLCN) | HRP | ELISA | 250 | 50 µl | Q8NFG4 | RUO | |
Abbexa | FLCN | abx341874 | Folliculin (FLCN) Antibody | Human | Polyclonal | Rabbit | Folliculin (FLCN) | Unconjugated | ELISA, IHC | 250 | 50 µl | Q8NFG4 | RUO | |
Abbexa | FLCN | abx034049 | Folliculin (FLCN) Antibody | Human | Polyclonal | Rabbit | Folliculin (FLCN) | Unconjugated | ELISA, WB, IHC | 281.25 | 80 µl | Q8NFG4 | RUO | |
Abbexa | FLCN | abx004978 | Folliculin (FLCN) Antibody | Human | Polyclonal | Rabbit | Folliculin (FLCN) | Unconjugated | WB | 175 | 20 µl | Q8NFG4 | RUO | |
Abbexa | FLCN | abx341876 | Folliculin (FLCN) Antibody (FITC) | Human | Polyclonal | Rabbit | Folliculin (FLCN) | FITC | 250 | 50 µl | Q8NFG4 | RUO | ||
Abbexa | FLCN | abx376346 | Folliculin (FLCN) Antibody | Human | Polyclonal | Rabbit | Folliculin (FLCN) | Unconjugated | ELISA, WB, IHC | 337.5 | 100 µg | Q8NFG4 | RUO | |
Abbexa | FLCN | abx341877 | Folliculin (FLCN) Antibody (Biotin) | Human | Polyclonal | Rabbit | Folliculin (FLCN) | Biotin | ELISA | 250 | 50 µl | Q8NFG4 | RUO | |
Abbexa | FLCN | abx240205 | Folliculin (FLCN) Antibody | Human | Polyclonal | Rabbit | Folliculin (FLCN) | Unconjugated | ELISA, WB | 350 | 100 µg | Q8NFG4 | RUO | |
Abbexa | FLCN | abx112567 | Folliculin (FLCN) Antibody | Human | Polyclonal | Rabbit | Folliculin (FLCN) | Unconjugated | ELISA, IHC | 612.5 | 100 µl | Q8NFG4 | RUO | |
Abbexa | FLCN | abx214841 | Folliculin (FLCN) Antibody | Human | Polyclonal | Rabbit | Folliculin (FLCN) | Unconjugated | ELISA, IHC | 250 | 50 µl | Q8NFG4 | RUO | |
Abbexa | FLCN | abx233157 | Folliculin (FLCN) Antibody | Human | Polyclonal | Rabbit | Folliculin (FLCN) | Unconjugated | ELISA, WB, IHC, IP | 350 | 100 µg | Q8NFG4 | RUO | |
Abbexa | FLCN | abx213763 | Folliculin (FLCN) Antibody | Human | Polyclonal | Rabbit | Folliculin (FLCN) | Unconjugated | ELISA, IHC | 250 | 50 µl | Q8NFG4 | RUO |
Proteins and Peptides
provider | Code | reference | name | origin | expression | host | conjugation | tested applications | price | size 1 | uniprot id | status |
---|---|---|---|---|---|---|---|---|---|---|---|---|
FineTest | FLCN | P1339 | Recombinant Human FLCN | Human | Recombinant | E.Coli | Western Blot, ELISA | 50μg | Q8NFG4 | RUO | ||
Abbexa | FLCN | abx653446 | Human Folliculin (FLCN) Protein | Human | Recombinant | E. coli | Unconjugated | WB, SDS-PAGE | 200 | 10 µg | RUO |
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