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一般描述
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.
应用
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
Hormone produced primarily in adipocytes; primary site of action appears to be on neurons in the hypothalamus that are involved in regulating energy balance, appetite, and body weight.
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.
外形
Lyophilized from a 0.2 μm filtered solution with 0.0045 mM NaHCO3
分析说明
The biological activity is measured by its ability to induce proliferation of leptin-dependent human OB-R transfected murine BAF3 cells.
储存分类代码
11 - Combustible Solids
WGK
WGK 3
闪点(°F)
Not applicable
闪点(°C)
Not applicable
个人防护装备
Eyeshields, Gloves, type N95 (US)
法规信息
监管及禁止进口产品
历史批次信息供参考:
分析证书(COA)
Lot/Batch Number
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
L Pérusse et al.
Obesity research, 9(2), 135-169 (2001-04-24)
This report constitutes the seventh update of the human obesity gene map incorporating published results up to the end of October 2000. Evidence from the rodent and human obesity cases caused by single-gene mutations, Mendelian disorders exhibiting obesity as a
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
Shih-Ping Cheng et al.
Oncology reports, 23(6), 1721-1727 (2010-04-30)
Excess body weight is associated with a moderately increased risk of thyroid cancer. Adipocyte-derived hormone, leptin, has been shown to enhance cell growth and migration in many cancer types. Limited evidence suggests that leptin has direct actions on the thyroid
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
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