The product SRP3102 is the alpha-Klotho.
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一般說明
Research area: Cancer
Human Klotho exists in both membrane-bound and secreted forms, and is predominantly expressed in the kidney convoluted tubules, and to a lesser extent, in the brain, reproductive organs, endocrine glands, urinary bladder, skeletal muscle, placenta, and colon. The full-length transmembrane form has a large extracellular domain composed of two homologous subunits termed KL1 and KL2, which contain 516 and 439 amino acid residues, respectively, The predominant circulating form, which is derived from alternative RNA splicing, contains the KL1 subunit and constitutes the N-terminal sequence of transmembrane Klotho. A third Klotho protein of about 128kDa has been identified in the blood and cerebrospinal fluid. This circulating protein arises from the action of an as yet unidentified protease which cleaves transmembrane Klotho just above and/or within the plasma membrane.[1][2] Recombinant human Klotho is a 65-70kDa glycoprotein containing 516 amino acid residues.
Human Klotho exists in both membrane-bound and secreted forms, and is predominantly expressed in the kidney convoluted tubules, and to a lesser extent, in the brain, reproductive organs, endocrine glands, urinary bladder, skeletal muscle, placenta, and colon. The full-length transmembrane form has a large extracellular domain composed of two homologous subunits termed KL1 and KL2, which contain 516 and 439 amino acid residues, respectively, The predominant circulating form, which is derived from alternative RNA splicing, contains the KL1 subunit and constitutes the N-terminal sequence of transmembrane Klotho. A third Klotho protein of about 128kDa has been identified in the blood and cerebrospinal fluid. This circulating protein arises from the action of an as yet unidentified protease which cleaves transmembrane Klotho just above and/or within the plasma membrane.[1][2] Recombinant human Klotho is a 65-70kDa glycoprotein containing 516 amino acid residues.
應用
Klotho human has been used to study the role of klotho in liver cancer.[3]It has also been used in qualitative and quantitative analysis of Klotho protein by immunoblot and enzyme-linked immunosorbent assay (ELISA) tests respectively, in the heart tissue and coronary effluents to test the contribution of Klotho protein in cardioprotection during ischemia/reperfusion injury.[4]
生化／生理作用
Klotho (KL) is a glycosylated protein that plays an important role in the regulation of phosphate and calcium homeostasis. Klotho has been shown to play a key role in the signaling cascade of fibroblast growth factor-23 (FGF-23), a bone derived hormone that acts in the kidney to inhibit phosphate reabsorption and vitamin D biosynthesis. Klotho promotes FGF-23 signaling through binding to FGFRI (IIIc) which converts this canonical FGF receptor into a specific receptor for FGF-23. In the absence of klotho, the function of FGF-23 is abolished.[5] Klotho might play a protective role in type 1 diabetes mellitus against atherosclerosis and endothelial dysfunction.[6] Absence of klotho in mice causes age-associated traits, such as short lifespan, atherosclerosis, pulmonary emphysema, and osteoporosis.[7] It is also involved in cervical, lung, and breast cancer. In follicular thyroid cancer, it suppresses growth and enhances cell death by controlling the expression of stanniocalcin-1.[8]
序列
EPGDGAQTWA RFSRPPAPEA AGLFQGTFPD GFLWAVGSAA YQTEGGWQQH GKGASIWDTF THHPLAPPGD SRNASLPLGA PSPLQPATGD VASDSYNNVF RDTEALRELG VTHYRFSISW ARVLPNGSAG VPNREGLRYY RRLLERLREL GVQPVVTLYH WDLPQRLQDA YGGWANRALA DHFRDYAELC FRHFGGQVKY WITIDNPYVV AWHGYATGRL APGIRGSPRL GYLVAHNLLL AHAKVWHLYN TSFRPTQGGQ VSIALSSHWI NPRRMTDHSI KECQKSLDFV LGWFAKPVFI DGDYPESMKN NLSSILPDFT ESEKKFIKGT ADFFALCFGP TLSFQLLDPH MKFRQLESPN LRQLLSWIDL EFNHPQIFIV ENGWFVSGTT KRDDAKYMYY LKKFIMETLK AIKLDGVDVI GYTAWSLMDG FEWHRGYSIR RGLFYVDFLS QDKMLLPKSS ALFYQKLIEK NGFPPLPENQ PLEGTFPCDF AWGVVDNYIQ VSQLTKPISS LTKPYH
外觀
Lyophilized from 15 mM Sodium Phosphate pH 7.3.
重構
Centrifuge the vial prior to opening. Reconstitute in water to a concentration of 0.1- 1.0 mg/ml. Do not vortex. This solution can be stored at 2-8°C for up to 1 week. For extended storage, it is recommended to further dilute in a buffer containing a carrier protein (example 0.1% BSA) and store in working aliquots at -20°C to -80°C.
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
Haipeng Hui et al.
Oncotarget, 8(9), 15663-15676 (2017-02-06)
Aging augments endotoxemic cardiac dysfunction, but the mechanism remains unclear. Anti-aging protein Klotho has been found to modulate tissue inflammatory responses. We tested the hypothesis that a reduced Klotho level in aging heart plays a role in the augmented endotoxemic
Michelle Wehling-Henricks et al.
Human molecular genetics, 27(1), 14-29 (2017-10-19)
Duchenne muscular dystrophy (DMD) is a muscle wasting disease in which inflammation influences the severity of pathology. We found that the onset of muscle inflammation in the mdx mouse model of DMD coincides with large increases in expression of pro-inflammatory
Anders Nordholm et al.
American journal of physiology. Renal physiology, 314(5), F753-F762 (2017-12-01)
In a new paradigm of etiology related to chronic kidney disease-mineral and bone disorder (CKD-MBD), kidney injury may cause induction of factors in the injured kidney that are released into the circulation and thereby initiate and maintain renal fibrosis and
Overexpression of Klotho suppresses liver cancer progression and induces cell apoptosis by negatively regulating wnt/?-catenin signaling pathway.
Sun H, et al.
World Journal of Surgical Oncology, 13, 307-307 (2015)
Secreted Klotho and FGF23 in chronic kidney disease Stage 1 to 5: a sequence suggested from a cross-sectional study.
Pavik I, et al.
Nephrology, Dialysis, and Transplantation, 28, 352-359 (2013)
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Can you please clarify if the product SRP3102 is alpha or beta-klotho?
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