重庆市中药研究院中药药理毒理研究所/国家中医药管理局中药药理三级实验室,重庆 400065
Received:09 January 2026,
Revised:2026-03-12,
Accepted:03 April 2026,
Published:30 April 2026
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吴思澜,梅小利,罗金萍,等.红花提取物对RBL-2H3细胞的免疫毒性及机制研究 [J].中国药房,2026,37(08):1003-1008.
WU Silan,MEI Xiaoli,LUO Jinping,et al.Study on the immunotoxicity and mechanism of Carthamus tinctorius extract on RBL-2H3 cells[J].ZHONGGUO YAOFANG,2026,37(08):1003-1008.
吴思澜,梅小利,罗金萍,等.红花提取物对RBL-2H3细胞的免疫毒性及机制研究 [J].中国药房,2026,37(08):1003-1008. DOI: 10.6039/j.issn.1001-0408.2026.08.06.
WU Silan,MEI Xiaoli,LUO Jinping,et al.Study on the immunotoxicity and mechanism of Carthamus tinctorius extract on RBL-2H3 cells[J].ZHONGGUO YAOFANG,2026,37(08):1003-1008. DOI: 10.6039/j.issn.1001-0408.2026.08.06.
目的
2
探究红花提取物直接诱导以及超剂量红花提取物致敏血清诱导对类肥大细胞RBL-2H3的免疫毒性及潜在机制。
方法
2
红花提取物直接诱导研究将RBL-2H3细胞分为正常对照组(不做任何处理)与红花提取物组(10 mg/mL);超剂量红花提取物致敏血清诱导研究将大鼠分为正常对照组(不做任何处理)、佐剂处理组(佐剂1 mL)、红花提取物诱导致敏组(2.04 g/mL)和卵清蛋白(OVA)诱导致敏组(50 mg/mL),隔日1次,共致敏3次。观察RBL-2H3细胞形态学变化,并计算脱颗粒率,检测组胺含量,计算
β
-氨基己糖苷酶(
β
-Hex)释放率,检测白细胞介素6(IL-6)、肿瘤坏死因子α(TNF-α)水平和细胞内Ca
2+
浓度。
结果
2
在红花提取物直接诱导下,与正常对照组比较,红花提取物组细胞体积明显缩小,细胞密度减少;细胞脱颗粒率、组胺含量、
β
-Hex释放率、IL-6和TNF-α水平,以及细胞内Ca
2+
浓度均显著升高(
P
<0.01)。在超剂量红花提取物致敏血清诱导下,与佐剂处理组比较,红花提取物诱导致敏组、OVA诱导致
敏组上述指标结果,与直接诱导条件下红花提取物组变化一致(
P
<0.01)。
结论
2
红花提取物可能通过直接诱导以及超剂量使用致敏血清诱导这两种方式影响RBL-2H3细胞脱颗粒,促进Ca
2+
内流,同时伴随促炎性细胞因子释放;其作用机制可能与多组分协同作用下钙信号通路的激活以及炎症通路的调控相关。
OBJECTIVE
2
To investigate the immunotoxicity and potential mechanism of
Carthamus tinctorius
extract on RBL-2H3 cells via direct induction and induction by sensitized serum prepared with an overdose of the
extract.
METHODS
2
For direct induction by
C. tinctorius
extract, RBL-2H3 cells were divided into normal control group (no treatment) and
C. tinctorius
extract group (10 mg/mL). For induction by sensitized serum prepared with an overdose of
C. tinctorius
extract, rats were divided into normal control group (no treatment), adjuvant-treated group (1 mL adjuvant),
C. tinctorius
extract-induced sensitization group (2.04 g/mL), and ovalbumin (OVA)-induced sensitization group (50 mg/mL). Sensitization was performed once every other day for a total of 3 times. Morphological changes of RBL-2H3 cells were observed, the degranulated rate of cells was counted, and histamine content was determined; the release rate of
β
-hexosaminidase (
β
-Hex) was calculated, the levels of interleukin-6 (IL-6) and tumor necrosis factor-α (TNF-α) and intracellular Ca²⁺ concentration were detected.
RESULTS
2
Under direct induction by
C. tinctorius
extract, compared with the normal control group, the volume of cells in the
C. tinctorius
extract group was significantly reduced and cell density decreased; the degranulation rate of cells, histamine content,
β
-Hex release rate, IL-6 and TNF-α levels, as well as intracellular Ca²⁺ concentration were all significantly increased (
P
<0.01). Under i
nduction by sensitized serum prepared with an overdose of
C. tinctorius
extract, compared with the adjuvant-treated group, the above indicators in the
C. tinctorius
extract-induced sensitization group and the OVA-induced sensitization group showed consistent changes with those in the
C. tinctorius
extract group under direct induction, all being significantly elevated (
P
<0.01).
CONCLUSIONS
2
C. tinctorius
extract may affect degranulation of RBL-2H3 cells and promote Ca²⁺ influx accompanied by the release of pro-inflammatory cytokines through two approaches: direct induction and induction by sensitized serum prepared under overdose administration. Its mechanism may be related to the activation of the calcium signaling pathway and the regulation of inflammatory pathways under the synergistic effect of multiple components.
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