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形狀
powder
技術
cell culture | mammalian: suitable
雜質
≤1 EU/mL endotoxin
≤100 CFU/g total microbial count (Bacteria)
≤100 CFU/g total yeast and mold (Fungi)
基因資訊
silkworm ... Ser2(100379325) , Ser3(100136948)
一般說明
丝胶蛋白是一种水溶性球状糖蛋白，可从家蚕中提取。它富含丝氨酸、天冬氨酸和甘氨酸。丝胶蛋白可在丝素纤维周围形成连续的粘层，以形成茧。它占茧总质量的20%至30%。丝胶蛋白由18种氨基酸组成，其中大多数含有强极性（羟基、羧基和氨基）的侧链基团。
應用
蚕丝蛋白（桑蚕）已用作：
- 标准品，评估粗丝胶提取物的物理化学和生物学特性
- 培养基补充剂，用于研究其对C6/36和Vero细胞产生传染性寨卡病毒（ZIKV）颗粒的影响，并与无血清培养基和添加5%胎牛血清（FBS）培养基进行比较。
- 皮肤再生的生物折纸膜的开发和优化
生化／生理作用
丝胶蛋白作为胶粘合剂来保持茧的完整结构。丝胶蛋白的强极性侧链基团会影响其物理和生物特性。研究表明，丝胶蛋白具有多种生物功能，如抗氧化和抗酪氨酸酶活性、刺激胶原蛋白的产生，以促进伤口愈合、抗炎、抗肿瘤、抗衰老和抗菌作用。众所周知，它可促进控释药物生物材料的稳定性并延长释放时间。丝胶蛋白对于哺乳动物细胞的培养具有多种有益特性。
特點和優勢
- 丝胶蛋白具有冷冻保护属性，可替代冷冻保存培养基中的胎牛血清（FBS）。
- 1% 丝胶蛋白(w/v)以及0.5% (w/v)麦芽糖、0.3% (w/v)脯氨酸、0.3% (w/v)谷氨酰胺和10%DMSO与90%FBS和10%DMSO相当。
- 此外，丝胶在细胞培养中可作为FBS替代品，刺激细胞生长。
- 在特定情况下，它可抑制细胞死亡。
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
其他客户在看
Masakazu Takahashi et al.
Biotechnology letters, 25(21), 1805-1809 (2003-12-18)
Sericin is the silk protein that covers fibroin fibers and functions as a 'glue' in the cocoons of silkworms, and its most abundant component, Ser1, contains repeats of Ser- and Thr-rich 38 amino acid residues. The viability of Sf9 insect
Lin Niu et al.
Molecular medicine reports, 23(2) (2020-12-15)
Triple negative breast cancer (TNBC) is a subtype of breast cancer characterized by an aggressive histology and poor prognosis, with limited treatment options in the clinic. In the present study, the effect of sericin, as an anti‑cancer drug, on TNBC
Kozo Tsubouchi et al.
Bioscience, biotechnology, and biochemistry, 69(2), 403-405 (2005-02-24)
Human skin fibroblasts were cultured on sericin prepared from cocoon shells. The living cell number after 72 h was enhanced to 250% of the no-sericin control. The increase was due to the acceleration of the initial attachment of the cells.
Masahiro Sasaki et al.
Biotechnology and applied biochemistry, 42(Pt 2), 183-188 (2005-06-10)
Cryopreservation is a pivotal process in cellular engineering for creating a continuous source of generated functional cell lines and for the convenience of various medical treatments that involve cell culture. FBS (fetal bovine serum) supplemented with 10% (v/v) DMSO is
Kunat Suktham et al.
Colloids and surfaces. B, Biointerfaces, 148, 487-495 (2016-11-05)
Sericin protein (SP) is widely used as a nutrient biomaterial for biomedical and cosmeceutical applications although it shows low stability to heat and light. To overcome these problems and add value to wastewater from the silk industry, sericin protein was
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