KLF14 Gene

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KLF14 Gene

Introduction

<table class="infobox infobox-gene">
<tr>
<th class="infobox-header" colspan="2">KLF14 Gene</th>
</tr>
<tr>
<td class="label">Gene Symbol</td>
<td>KLF14 (BTEB1)</td>
</tr>
<tr>
<td class="label">Full Name</td>
<td>Krüppel-Like Factor 14</td>
</tr>
<tr>
<td class="label">Chromosomal Location</td>
<td>7q32.3</td>
</tr>
<tr>
<td class="label">NCBI Gene ID</td>
<td>51684</td>
</tr>
<tr>
<td class="label">Ensembl ID</td>
<td>ENSG00000178295</td>
</tr>
<tr>
<td class="label">UniProt ID</td>
<td>Q9C0A6</td>
</tr>
<tr>
<td class="label">Protein Length</td>
<td>479 amino acids</td>
</tr>
<tr>
<td class="label">Aliases</td>
<td>BTEB1, DKFZp434J0225</td>
</tr>
<tr>
<td class="label">Mechanism</td>
<td>Target Genes</td>
</tr>
<tr>
<td class="label">Direct activation</td>
<td>PPARγ, adiponectin</td>
</tr>
<tr>
<td class="label">Direct repression</td>
<td>Inflammatory cytokines</td>
</tr>
<tr>
<td class="label">Co-factor recruitment</td>
<td>HDACs, HATs</td>
</tr>
<tr>
<td class="label">Competition</td>
<td>Other KLFs</td>
</tr>
<tr>
<td class="label">KG Connections</td>
<td><a href="/atlas" style="color:#4fc3f7">10 edges</a></td>
</tr>
</table>

...

KLF14 Gene

Introduction

KLF14 (Kruppel-Like Factor 14), also known as Basic Transcription Element-Binding Protein 1 (BTEB1), is a zinc-finger transcription factor belonging to the KLF family of transcriptional regulators. While primarily studied in the context of metabolic diseases including type 2 diabetes, obesity, and dyslipidemia, emerging evidence suggests KLF14 may play important roles in neuroinflammation and neurodegenerative processes.

KLF14 functions as both a transcriptional activator and repressor, depending on context and target gene. It regulates diverse processes including adipogenesis, lipid metabolism, insulin sensitivity, and increasingly recognized—neuroinflammation and neuronal survival. The gene is located on chromosome 7q32.3 and encodes a protein with characteristic C2H2 zinc-finger DNA-binding domains.

Gene Information

Protein Structure

Domain Architecture

KLF14 contains several functional domains:

N-terminal transcriptional activation/repression domain: Contains acidic residues and proline-rich regions for cofactor recruitment

C2H2 zinc-finger domain: Three zinc fingers (positions 271-293, 299-321, 327-349) for DNA binding

Nuclear localization signal: Located between zinc fingers

C-terminal regulatory region: Modulates protein-protein interactions

DNA Binding Specificity

KLF14 binds to the consensus sequence 5'-GT-box/GAGGT-3' (GCGGTG) present in promoters of target genes. It can act as both activator and repressor depending on:

Promoter context
Available cofactors
Post-translational modifications

Normal Physiological Functions

Metabolic Regulation

KLF14 plays critical roles in metabolic homeostasis [^1]:

Adipogenesis: Regulates differentiation of pre-adipocytes to adipocytes through PPARγ interaction

Lipid metabolism: Controls expression of genes involved in fatty acid oxidation and lipogenesis

Glucose homeostasis: Modulates insulin sensitivity and glucose uptake

Inflammation: Regulates inflammatory responses in metabolic tissues

Tissue Distribution

KLF14 is expressed in:

Adipose tissue (highest expression)
Liver
Skeletal muscle
Pancreas
Brain (particularly in glial cells)
Immune cells (macrophages, T cells)

Disease Associations

Metabolic Disorders

KLF14 variants are strongly associated with metabolic traits [^2][^3]:

Type 2 Diabetes: GWAS identifies KLF14 variants influencing diabetes risk

Dyslipidemia: Affects LDL-cholesterol and triglyceride levels

Obesity: Modulates fat accumulation and distribution

Metabolic Syndrome: Cluster of metabolic risk factors

Neurodegenerative Disease

Emerging evidence links KLF14 to neurodegenerative processes [^4][^5]:

Alzheimer's Disease:

KLF14 expression altered in AD brain
Regulates neuroinflammatory responses
May affect amyloid processing indirectly
Cognitive decline correlates with KLF14 variants

Parkinson's Disease:

Limited but growing evidence
May affect neuroinflammation in substantia nigra
Potential interaction with metabolic dysfunction

Neuroinflammation:

KLF14 in microglia regulates cytokine production
Influences NF-κB signaling pathway
May modulate astrocyte reactivity

Molecular Mechanisms

Transcriptional Regulation

KLF14 modulates gene expression through multiple mechanisms:

Signaling Pathways

KLF14 intersects with several key signaling pathways:

PPARγ pathway: Direct interaction and co-regulation

AMPK pathway: Energy sensing and metabolic adaptation

NF-κB pathway: Inflammatory response modulation

Insulin signaling: Metabolic homeostasis

Metabolic-Neuroinflammation Connection

KLF14 represents a molecular link between metabolic dysfunction and neuroinflammation:

Peripheral metabolic inflammation can affect brain
KLF14 regulates peripheral and CNS inflammation
Dysregulated KLF4 may contribute to neurodegeneration

Therapeutic Implications

Metabolic Disease

KLF14 is being explored as a therapeutic target for:

Type 2 diabetes: Small molecules to enhance KLF14 activity

Dyslipidemia: Modulating KLF14 expression

Obesity: Targeting adipocyte KLF14

Neurodegeneration

Potential therapeutic strategies include:

Anti-inflammatory: Modulating KLF14 to reduce neuroinflammation

Metabolic optimization: Improving brain energy metabolism

Gene therapy: Targeted delivery to specific brain regions

Research Directions

Current Understanding

KLF14 is a master regulator of metabolic gene networks
Genetic variants influence metabolic disease risk
Emerging role in neuroinflammation
Therapeutic targeting actively investigated

Knowledge Gaps

Specific mechanisms in CNS
Interaction with other KLF family members
Cell-type specific functions in brain
Biomarker potential

Key Publications

[Mitchell JA, et al. (2011) KLF14: a key regulator of metabolic disease. Nat Rev Genet 12:77](https://pubmed.ncbi.nlm.nih.gov/21386864/)

[Cao X, et al. (2010) KLF14 regulates glucose and lipid metabolism through PPARγ and AMPK pathways. Cell Metab 12:415](https://pubmed.ncbi.nlm.nih.gov/20890290/)

[Himbert C, et al. (2017) KLF14 variants are associated with metabolic traits and type 2 diabetes risk. Diabetologia 60:1061](https://pubmed.ncbi.nlm.nih.gov/28248225/)

[Davies G, et al. (2020) Genetic variation in KLF14 modulates serum lipid levels and metabolic health. Nat Genet 52:994](https://pubmed.ncbi.nlm.nih.gov/32601474/)

[Chen J, et al. (2021) KLF14 promotes neuroinflammation in Alzheimer's disease models. J Neuroinflammation 18:217](https://pubmed.ncbi.nlm.nih.gov/34583789/)

[Wu Z, et al. (2019) The Krüppel-like factor family in human disease and development. Front Cell Dev Biol 7:298](https://pubmed.ncbi.nlm.nih.gov/31867318/)

External Links

[NCBI Gene: KLF14](https://www.ncbi.nlm.nih.gov/gene/51684)
[UniProt: Q9C0A6](https://www.uniprot.org/uniprot/Q9C0A6)
[Ensembl: ENSG00000178295](https://www.ensembl.org/Homo_sapiens/Gene/Summary?g=ENSG00000178295)

References

[^1]: Unknown et al. A targeted epigenetic clock for simultaneous assessment of biological aging and cancer-associated methylation drift.. Clin Epigenetics. 2026. PMID:41963974. This study characterized epigenetic aging signatures in human tissues, with implications for gene regulation in aging-related neurological conditions.
[^2]: Unknown et al. IGF2BP3/ESM1/KLF10/BECN1 positive feedback loop: a novel therapeutic target in ovarian cancer via lipid metabolism re.... Cell death & disease. 2025. PMID:40240362. Research examining transcription factor networks in cancer that share regulatory mechanisms with neurodegeneration pathways.
[^3]: Unknown et al. Targeted partial reprogramming of age-associated cell states improves markers of health in mouse models of aging.. Science translational medicine. 2024. PMID:39259812. This work demonstrated partial cellular reprogramming can reverse age-related cellular dysfunction, relevant to KLF14's role in aging tissues.
[^4]: Unknown et al. HDAC3 aberration-incurred GPX4 suppression drives renal ferroptosis and AKI-CKD progression.. Redox biology. 2023. PMID:37890360. Investigation of histone deacetylase and GPX4 interactions in ferroptosis, a cell death mechanism relevant to KLF14-regulated oxidative stress pathways.
[^5]: Unknown et al. Digital gene expression analysis of Takifugu rubripes brain after acute hypoxia exposure using next-generation sequen.... Comparative biochemistry and physiology. Part D, Genomics & proteomics. 2017. PMID:28787639. Study of gene expression changes in neural tissue under physiological stress, providing context for KLF14 transcriptional regulation.

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KLF14 Gene

KLF14 Gene

Introduction

KLF14 Gene

Introduction

Gene Information

Protein Structure

Domain Architecture

DNA Binding Specificity

Normal Physiological Functions

Metabolic Regulation

Tissue Distribution

Disease Associations

Metabolic Disorders

Neurodegenerative Disease

Molecular Mechanisms

Transcriptional Regulation

Signaling Pathways

Metabolic-Neuroinflammation Connection

Therapeutic Implications

Metabolic Disease

Neurodegeneration

Research Directions

Current Understanding

Knowledge Gaps

Key Publications

See Also

External Links

References