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Human Leptin Receptor Protein expressed in Human - ABIN593497
Sato, Schehr, Ikegami: Leptin does not influence surfactant synthesis in fetal sheep and mice lungs. dans American journal of physiology. Lung cellular and molecular physiology 2011
These data confirm that variations in the Lep gene as well as in the Lepr gene could play a role in weight gain.
Homozygous LEPR Arg223 is associated with a 2-fold reduction in oral and oropharyngeal cancer risk; the presence of the Arg223 allele in tumors is associated with worse disease-free and disease-specific survival; low LEPR expression is an independent risk factor
We conducted a meta-analysis of published literature to identify the correlation between leptin receptor gene polymorphisms and the risk of obstructive sleep apnea syndrome . The Gln223Arg polymorphisms in the Caucasian population and the Pro1019Pro polymorphisms in the Chinese population are risk factors for obstructive sleep apnea syndrome
placental leptin and LEPR protein expression may influence placental growth and thus, birth weight.
Our results indicate a possible contribution of CNVs in LEPR, NEGR1 (Montrer NEGR1 Protéines), ARHGEF4 (Montrer ARHGEF4 Protéines), and CPXCR1 (Montrer CPXCR1 Protéines) and the intergenic regions 12q15c, 15q21.1a, and 22q11.21d to the development of obesity, particularly abdominal obesity in Mexican children.
Review/Meta-analysis: genetic polymorphisms in leptin, adiponectin and their receptors affect the development and progression of prostate cancer.
Bioinformatics analysis predicted that both missense SNPs were functionally neutral and benign. CONCLUSIONS: The present meta-analysis did not detect significant genetic associations between LEPR Q223R and K109R polymorphisms and T2D risk
results demonstrate that leptin (Montrer LEP Protéines) binding to and signalling through ObR is not required for efficient transport across human endothelial monolayers, indicating that ObR is not the primary leptin (Montrer LEP Protéines) transporter at the human Blood Brain Barrier.
We did not observe significant associations between polymorphisms of the leptin receptor gene (Q223R and K109R) and BP variation.
LEPR polymorphisms contribute to the heterogeneities in BMI, LDL-C, and HDL (Montrer HSD11B1 Protéines)-C responsiveness that are induced by a HC/LF diet in healthy young Chinese adults.
Data show that leptin receptor deficient (LeprNULL) mice exhibited increased body weight and food intake.
This study reports about bone quality and bone turnover mechanisms in leptin receptor-deficient animals.
Neurotensin (Montrer NTS Protéines)-leptin receptor neurons are important neuronal hubs within the lateral hypothalamic area for hormone-mediated control of ingestive and locomotor behaviors.
Suggest that intact endothelial leptin (Montrer LEP Protéines) signaling limits neointima formation and that obesity represents a state of endothelial leptin (Montrer LEP Protéines) resistance.
Identify Lepr(+) stromal lineage cells as the origin of myofibroblasts in primary myelofibrosis and suggest that targeting PDGFRA (Montrer PDGFRA Protéines) signalling could be an effective way to treat bone marrow fibrosis.
Leptin (Montrer LEP Protéines) expression is regulated by DNA methylation (Montrer HELLS Protéines) in adipocytes.
Attenuated leptin-receptor (LEPR) expression is essential for the development and maintenance of acute lymphoblastic leukemia (ALL), and that fasting inhibits ALL development by upregulation of LEPR and its downstream signaling through the protein PR/SET domain 1 (PRDM1 (Montrer PRDM1 Protéines)).
LepRb preoptic area neurons are stimulatory glutamatergic neurons, contrary to prevalent models
Leptin (Montrer LEP Protéines) receptors on agouti-related peptide neurons modulate the onset of puberty and adult fertility.
Leptin/LepR signaling regulates adipogenesis and osteogenesis by mesenchymal stromal cells in the bone marrow in response to diet and adiposity.
study has allowed a transcriptional characterization of LEP and LEPR isoforms on a range of tissues. Their expression patterns seem to indicate that both molecules develop peripheral roles apart from their known hypothalamic signal transduction function
LEPR showed a lower variability than LEP (Montrer LEP Protéines) in the different analysed populations, especially in the Iberian breed that showed no variability
Superactive human leptin (Montrer LEP Protéines) antagonist reverses leptin (Montrer LEP Protéines)-induced excessive progesterone and testosterone secretion in porcine ovarian follicles by blocking leptin (Montrer LEP Protéines) receptors.
The presence of leptin and ObR-b varies across parities and is more intense in the uterus, ovaries and hypothalamus of females that were cycling before culling than in those having cystic ovaries.
These results suggest that LEPR, MC4R, PIK3C3 and VRTN are useful markers for accurately predicting breeding values in Duroc pigs.
Data showing changes in expression patterns of LEP/LEPR in endometrium/chorioallantoic membrane during placentation/fetal development suggest role for LEP/LEPR complex at early stages of pregnancy, possibly affecting the attachment process.
Another funning discovery is ob-Rb mRNA in porcine endometrium was mainly negative-regulated by leptin (Montrer LEP Protéines)
Leptin (Montrer LEP Protéines) and leptin receptor are expressed in porcine luteal cells, and there is a modulatory effect of LH, estradiol (E) and progesterone (P) on leptin (Montrer LEP Protéines) mRNA expression as well as E and P on leptin (Montrer LEP Protéines) secretion by those cells obtained in early pregnancy.
These data suggest that leptin (Montrer LEP Protéines) might have a direct effect on porcine follicles and plays an important role in the follicular development.
Locally produced leptin (Montrer LEP Protéines) plays a role in the regulation of porcine reproduction at the ovarian level and exerts a direct effect on follicles. Differences in long isoform of leptin receptor gene expression varies in the ovaries of pregnant and cyclic pigs.
Here, the association between DGAT1 (Montrer DGAT1 Protéines) K232A, SCD1 (Montrer SCD Protéines) A293V, and LEPR T945M markers with milk fat composition in southern Chile was evaluated. We genotyped the SNPs and calculated allele frequencies and Hardy-Weinberg equilibrium. The most frequent variants for DGAT1 (Montrer DGAT1 Protéines), SCD1 (Montrer SCD Protéines), and LEPR polymorphisms were GC/GC (Montrer GC Protéines), C, and C, respectively.
I3 DNA copy number variations exhibited a significant negative correlation with LEPR gene expression
The results suggest that a mutation of SCD1, but not LEPR or ABCG2, might be useful as a DNA marker to decrease reproductive problems and improve production traits in Iranian Holstein dairy cows.
SNP LEP significantly affected milk, protein and fat yield (P<0.05), and age at first calving (P<0.01) in analyzed population of cows. SNP LEPR/T945M affected significantly calving interval (P<0.01) only
The use of leptin (Montrer LEP Protéines), leptin receptor, and DGAT1 (Montrer DGAT1 Protéines) polymorphisms as markers within genetic selection programs to improve and adjust several compositional parameters.
The leptin (Montrer LEP Protéines) and receptor gene markers would be useful for marker-assisted selection.
The leptin receptor SNP (T945M) was only weakly associated with milk per day and days to first service.
The presence of the leptin receptor in bull spermatozoa was analyzed by RT-PCR and Southern hybridization and perhaps exerts physiologic effects.
the possible involvement of locally produced leptin (Montrer LEP Protéines)/Ob-R system in the bovine ovary, suggesting roles in the function and/or development of the CL and growth of small follicles in an autocrine/paracrine fashion.
findings indicate that acetate and butyrate enhance leptin (Montrer LEP Protéines) expression in bovine, but not in rat anterior pituitary cells while butyrate suppresses leptin receptor expression in both rat and bovine pituitaries
A 2-day fast increased leptin receptor (Ob-R) expression in the ventromedial nucleus (VMN).
The protein encoded by this gene belongs to the gp130 family of cytokine receptors that are known to stimulate gene transcription via activation of cytosolic STAT proteins. This protein is a receptor for leptin (an adipocyte-specific hormone that regulates body weight), and is involved in the regulation of fat metabolism, as well as in a novel hematopoietic pathway that is required for normal lymphopoiesis. Mutations in this gene have been associated with obesity and pituitary dysfunction. Alternatively spliced transcript variants encoding different isoforms have been described for this gene. It is noteworthy that this gene and LEPROT gene (GeneID:54741) share the same promoter and the first 2 exons, however, encode distinct proteins (PMID:9207021).
, Leptin receptor (fatty)
, leptin receptor gene-related protein
, cytokine receptor
, leptin receptor long insert isoform
, leptin receptor