Cited by 30Chronic Kidney Disease and DiabetesGenomics, phytochemicals, and oxidative stressNatural Antidiabetic Agents Studies

Effects of Compound Centella on Oxidative Stress and Keap1‐Nrf2‐ARE Pathway Expression in Diabetic Kidney Disease Rats

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Zhu, Qin, Zeng, Jiali, Li, Jian, Chen, Xueming, Miao, Jianxia, Jin, Qinyang, Chen, Hongyu·2020·Evidence-Based Complementary and Alternative Medicine

Abstract

The formula of Compound Centella mainly contains 3 traditional Chinese herbs: Centella asiatica (L.) Urb. (JiXueCao), Astragalus Membranaceus Fish. (HuangQi), and Tripterygium wilfordii Hook. f. (LeiGongTeng). Though this formula is effective for treating diabetic kidney disease (DKD) in clinic, the exact mechanism is still unclear. This study aims to investigate the effect and antioxidant mechanism of Compound Centella on DKD rats. High‐performance liquid chromatography (HPLC) was applied to analyse 3 herbs in Compound Centella. Sprague‐Dawley rats were divided into the normal group (NG), DKD group (DKDG), Compound Centella group (CCG), and losartan group (LG), with 8 rats in each group. On the first day of the experiment, rats in the NG were fed with ordinary –feed, while the other groups were fed with high‐fat and high‐sugar feed. On the 29 th day, except the NG, the other 3 groups received a single intraperitoneal injection of streptozocin (STZ, 35 mg/kg). Fasting blood glucose (FBG) was measured on the 1 st day, 32 nd day, 46 th day, 56 th day, 84 th day, and 112 th day. Total protein/creatinine ratio of urine was determined by the phenol red assay on the 1 st day and 112 th day. Serum creatinine (Scr) was determined by an automatic biochemical analyser on the 112 th day. Kidneys were collected on the 112 th day for analysis and evaluation. Periodic acid‐Schiff (PAS) staining, hematoxylin‐eosin (HE) staining, and transmission electron microscopy were used to observe kidney pathological changes. The mRNA and protein expressions of Kelch‐like ECH‐associated protein 1 (Keap1) and nuclear factor‐erythroid 2‐related factor 2 (Nrf2) in renal tissues were detected by RT‐qPCR, Western blot, and immunohistochemistry. Oxidative stress was evaluated by detecting the levels of malondialdehyde (MDA) and heme oxidase‐1 (HO‐1). The results showed that the content of asiaticoside, astragaloside, and triptolide in the herb was 5960, 809, and 2.42 μ g/g and in the Compound Centella was 340, 64, and 0.1403 μ g/mL by HPLC. Compound Centella reduced the urine protein/creatinine ratio and improved renal pathology in the kidneys of DKD rats. In addition, the mRNA and protein expressions of Keap1 and Nrf2 in kidneys were upregulated by Compound Centella. The expressions of MDA were downregulated but HO‐1 were upregulated by Compound Centella. Therefore, the protective effect of Compound Centella in the kidney of DKD rats may be related to regulating the Keap1‐Nrf2‐ARE pathway under oxidative stress, suggesting Compound Centella as a promising treatment against DKD.

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Crossref · 10.1155/2020/9817932

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  • Asiaticoside is major constituent of formula Compound Centella, which lowers urine protein/creatinine ratio in diabetic rats and improves renal pathology of diabetic kidney disease by regulating oxidative stress signalling.

    “Asiaticoside is the major constituent of the formula Compound Centella, which has proved effective in lowering the urine protein/creatinine ratio in diabetic rats and can improve the renal pathology of diabetic kidney disease by regulating oxidative stress signalling.”

    From Therapeutic Properties and Pharmacological Activities of Asiaticoside and Madecassoside: A Review (2023) · cites this paper as [123]

    The Abstract and Conclusion report that Compound Centella lowered the urine protein/creatinine ratio and improved renal pathology in DKD rats. The Abstract identifies asiaticoside as a measured component, but does not establish it as the formula’s major constituent; the Conclusion says regulation of oxidative-stress signalling *may* explain the protective effect, rather than establishing it as the mechanism. (LLM, conf=0.86)

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Authors
Zhu, Q., Zeng, J., Li, J., Chen, X., Miao, J., Jin, Q., & Chen, H.
Affiliations
  • Hangzhou Hospital of Traditional Chinese Medicine (CN)
  • Ningbo University (CN)
  • Zhejiang Provincial People's Hospital (CN)
Corresponding author
  • Jin, Qinyang
  • Chen, Hongyu
Venue
Evidence-Based Complementary and Alternative Medicine
Publisher
Wiley
Published
2020-01
Volume
2020
Issue
1
Pages
9817932-9817932
ISSN
  • 1741-427X (ISSN-L)
  • 1741-4288
OpenAlex
W3030056514
Cited by
30
References
2
Citations by year
2026: 3 · 2025: 7 · 2024: 7 · 2023: 5 · 2022: 5 · 2021: 3
FWCI
2.04
Type
journal article
Language
en
Open access
Locations
  • Evidence-based Complementary and Alternative Medicine (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
Funders
  • Natural Science Foundation of Zhejiang Province (LQ19H290005)
  • National Natural Science Foundation of China (81973760)
Topics
  • Health Sciences › Medicine › Nephrology › Chronic Kidney Disease and Diabetes
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Genomics, phytochemicals, and oxidative stress
  • Health Sciences › Medicine › Endocrinology, Diabetes and Metabolism › Natural Antidiabetic Agents Studies
Keywords
diabetic nephropathy, oxidative stress, Nrf2/Keap1 pathway, Centella asiatica, Astragalus membranaceus, Tripterygium wilfordii, antioxidant defense, heme oxygenase-1, malondialdehyde, proteinuria, renal fibrosis, traditional Chinese medicine, streptozotocin-induced diabetes, losartan

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