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一般說明
The gene LEP (leptin) is mapped to human chromosome 7q31. It is a 16kDa peptide. Leptin is released in the circulation and goes to the CNS (central nervous system). In CNS, it works by associating with leptin receptor.
應用
Leptin human has been used:
- to study the effect of leptin on ACAT1 (acyl-coenzyme A:cholesterol acyltransferase 1) expression and cholesterol efflux from primary cultured human macrophages
- to study the effect of leptin on expression of IGFBP2 (insulin growth factor binding protein 2) in skeletal muscle
- to study the effect of leptin on HLA-G (human leukocyte antigen G) expression in placental trophoblasts
- to study the effect of leptin on in vitro maturation, fertilization and development of horse oocytes after ICSI (intracytoplasmic sperm injection)
生化／生理作用
Leptin is a hormone produced primarily in adipocytes, although leptin mRNA has also been identified in placenta and fetal tissues, gastric tissue and liver. Its primary site of action appears to be on neurons in the hypothalamus that are involved in regulating energy balance, appetite, and body weight. Leptin increases the production of nitric oxide in endothelial cells and stimulates angiogenesis in vitro and in vivo.
Human and mouse leptin share ~84% sequence identity.
Human and mouse leptin share ~84% sequence identity.
Leptin is believed to play a role in normal pregnancy development.
Mutations in LEP (leptin) are linked with type-2 diabetes. Presence of high levels of leptin in plasma is related to adiposity.
外觀
Lyophilized from a 0.2 μm filtered solution with 0.0045 mM NaHCO3
分析報告
The biological activity is measured by its ability to induce proliferation of leptin-dependent human OB-R transfected murine BAF3 cells.
儲存類別代碼
11 - Combustible Solids
水污染物質分類（WGK）
WGK 3
閃點（°F）
Not applicable
閃點（°C）
Not applicable
個人防護裝備
Eyeshields, Gloves, type N95 (US)
分析證明 (COA)
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Reza Meshkani et al.
Clinical laboratory, 62(1-2), 89-96 (2016-03-26)
The leptin (LEP G2548A) and leptin receptor (LEPR Q223R) gene polymorphisms have been variably associated with type 2 diabetes (T2D) in different populations. In this study we hypothesized that these variants might be associated with T2D and related metabolic traits
Eiji Kashiwagi et al.
American journal of translational research, 12(6), 3033-3045 (2020-07-14)
Adipocytokines such as leptin and adiponectin have functions in metabolism as well as the development and progression of various types of malignancies. However, little is known about their role in bladder cancer. In this study, we investigated whether leptin, adiponectin
Leptin action in normal and pathological pregnancies
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Journal of Cellular and Molecular Medicine, 22(2), 716-716 (2018)
Elisabetta Trevellin et al.
Oncotarget, 6(13), 11203-11215 (2015-04-11)
Obesity is associated with cancer risk in esophageal adenocarcinoma (EAC). Adipose tissue directly stimulates tumor progression independently from body mass index (BMI), but the mechanisms are not fully understood. We studied the morphological, histological and molecular characteristics of peritumoral and
Masafumi Kurajoh et al.
Cardiovascular diabetology, 14, 117-117 (2015-09-05)
It has been shown that visceral fat accumulation is associated with autonomic dysfunction, though the precise mechanism remains unclear. A recent basic study found that leptin can directly modulate autonomic function through the dorsomedial hypothalamus in relation to obesity. Here
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Lipid Induced Insulin Resistance
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