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Relationship between DNA Barcoding and Chemical Classification of Salvia Medicinal Herbs

Jianping HAN ; Chang LIU ; Minhui LI ; Linchun SHI ; Jingyuan SONG ; Hui YAO ; Xiaohui PANG ; Shilin CHEN

Chinese Herbal Medicines.2010;2(1):16-29,封3. doi:10.3969/j.issn.1674-6384.2010.01.002

Objective To make the identification of medicinal herbs in Salvia L. quickly and accurately. Methods In this work,DNA barcoding and chemical fingerprint were compared for the identification of herbs in Salvia L. First, the nucleotide sequences of the internal transcribed spacer region two amplified from 48 medicinal plants in Salvia L., and three other groups of medicinal plants in Lamiaceae were sequenced. A molecular phylogeny was constructed using the minimum evolution and maximum parsimony methods according to their sequence diversity. Second, the water-solution bioactive components and lipid soluble components were tested by HPLC. Then a chemical phylogeny was built using HPLC fingerprint data. Comparing the molecular and chemical phylogenetic trees revealed many similarities. Results DNA barcoding was sequencing based and could therefore provide more accurate results within a shorter time especially in large-scale studies. Conclusion The results show that ITS2 region is a novel DNA barcode for the authentication of the species in Salvia L. This is the first work to show the relationship between DNA barcoding and chemical components.

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Simultaneous Analysis of Thirteen Bioactive Components in Evodia rutaecarpa and Its Varieties by HPLC-DAD-MS

Haiyu XU ; Tiejun ZHANG ; Xuefeng XIAO ; Ping ZHAO ; Changxiao LIU ; Jun XU

Chinese Herbal Medicines.2010;02(2):112-117,131. doi:10.3969/j.issn.1674-6384.2010.02.003

Objective To control the quality of Evodia rutaecarpa better. Methods An HPLC-DAD-MS/MS method was established for the rapid and efficient identification of bioactive constituents and for simultaneous quantitative analysis of four bioactive ingredients including evodiamine, rutaecarpine, dehydroevodiamine, and evodin in E.rutaecarpa, which was applied to evaluating eight samples of E. rutaecarpa and its varieties from different areas.Results Thirteen potentially bioactive constituents including one flavonoid glycoside, one limonin, four indoloquinazoline alkaloids, and seven quinolone alkaloids were identified in all samples and the contents of dehydroevodiamine, evodine, evodiamine, and rutaecarpine varied widely from 0.10% to 0.51%, 0.49% to 3.12%,0.07% to 1.56%, and 0.10% to 0.69%, respectively. Conclusion This method is found to be convenient, fast,accurate, and it is facilitated to improve the quality control standard of E. rutaecarpa and related products.

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A New Alkaloid from Bombycis Feculae and Its a-Glucosidase Inhibitory Activity

Yuanyuan ZHU ; Zhihong WANG ; Hui QI ; Gang BAI

Chinese Herbal Medicines.2011;03(1):64-65,74. doi:10.3969/j.issn.1674-6384.2011.01.013

Objective To study the chemical constituents of Bombycis Feculae. Methods Chemical constituents were isolated BPLC-ELSD. The structures of the isolated compounds were determined by spectral means. Results Two compounds were isolated and identified as 1-deoxynojirimycin (1) and (2R,3R,5R)-2-(hydroxymethyl)piperidine-3,5-diol, named as 1,3-dideoxygalatonojirimycin (2). Conclusion Compound 2 is a new alkaloid. The extract of Bombycis Feculae, compound 1 and compound 2 show inhibitory activities against a-glucosidase.

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Scutellarin alleviates liver injury in type 2 diabetic mellitus by suppressing hepatocyte apoptosis in vitro and in vivo.

Xiaoming FAN ; Yiyu WANG ; Xifan LI ; Taiqing ZHONG ; Chunlan CHENG ; Yunfei ZHANG

Chinese Herbal Medicines.2023;15(4):542-548. doi:10.1016/j.chmed.2023.03.007

OBJECTIVE: Scutellarin is a primary active composition come from Erigeron breviscapus. It is well known that scutellarin has anti-inflammatory and antioxidant physiological functions. In this study, we detected the effects of scutellarin on hepatocyte cell apoptosis in type 2 diabetes mellitus (T2DM) rats. METHODS: Sprague Dawley (SD) (6-8 weeks, 160-180 g) rats were randomly divided into six groups: control, model, scutellarin low-dose, medium-dose, high-dose treatment, and rosiglitazone positive groups; with 10 SD rats in each group (n = 10). The changes of biochemical factors in serum were detected by automatic biochemical instrument, the pathological changes of liver tissue were detected by hematoxylin and eosin (HE) staining, the apoptosis of liver tissue and cells was detected by tissue staining and flow analyzer, and the expression of apoptosis-related factors were determined by qPCR, Western blot and immunohistochemistry in liver tissues or cells. RESULTS: The results showed that scutellarin decreased the levels of fasting blood glucose, total cholesterol, triglyceride, and low-density lipoprotein and increased the levels of high-density lipoprotein. Meanwhile, scutellarin decreased the levels of alanine transaminase (ALT) and aspartate transaminase (AST) and improved liver function. In addition, scutellarin suppressed the secretion of interleukin-1 (IL-1), interleukin-6 (IL-6) and tumor necrosis factor-α (TNF-α) and reduced hepatocyte apoptosis. Furthermore, scutellarin inhibited the expression of cleaved Caspase-3, Bax, and cytochrome C (Cyt-C) and promoted the expression of Bcl-2. CONCLUSION Scutellarin can inhibit the apoptotic pathway, thereby relieving T2DM.

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Chinese herbal medicines for prostate cancer therapy: From experimental research to clinical practice.

Fanming KONG ; Chaoran WANG ; Jing ZHANG ; Xiaoqun WANG ; Binxu SUN ; Xian XIAO ; Haojian ZHANG ; Yanqi SONG ; Yingjie JIA

Chinese Herbal Medicines.2023;15(4):485-495. doi:10.1016/j.chmed.2023.05.003

Prostate cancer remains the second most common malignancy in men worldwide, is a global health issue, and poses a huge health burden. Precision medicine provides more treatment options for prostate cancer patients, but its popularity, drug resistance, and adverse reactions still need to be focused on. Chinese herbal medicines (CHMs) have been widely accepted as an alternative therapy for cancer, with the advantages of multiple targets, multiple pathways, and low toxicity. We searched the experimental research and clinical practice of CHMs for prostate cancer treatment published in PubMed, Embase, and Web of Science in the last five years. We found five CHM formulas and six single CHM extracts as well as 12 CHM-derived compounds, which showed induction of apoptosis, autophagy, and cell cycle arrest, suppression of angiogenesis, proliferation, and migration of prostate cancer cells, reversal of drug resistance, and enhancement of anti-tumor immunity. The mechanisms of action include the PI3K/Akt/mTOR, AR, EGFR and Wnt/β-catenin signaling pathways, which are commonly implicated in the development of prostate cancer. We also summarized the advantages of CHMs in patients with hormone-sensitive and castration-resistant prostate cancer and provided ideas for their further experimental design and application.

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Mangiferin alleviates renal inflammatory injury in spontaneously hypertensive rats by inhibiting MCP-1/CCR2 signaling pathway.

Xiaoqin HU ; Wei ZHAO ; Jiagang DENG ; Zhengcai DU ; Xuewen ZENG ; Bei ZHOU ; Erwei HAO

Chinese Herbal Medicines.2023;15(4):556-563. doi:10.1016/j.chmed.2022.12.008

OBJECTIVE: Hypertension is a low-grade inflammation state of the disease and was easily complicated by kidneys' inflammatory response. Mangiferin (MGF), a pharmacologically active compound in various plants including Mangifera indica, has a strong anti-inflammatory activity. However, the effects of MGF on renal inflammatory injury in spontaneously hypertensive rats (SHRs) remain unclear. The purpose of this study was to investigate the protective effects and mechanisms of MGF on renal inflammatory injury in SHRs. METHODS: MGF was used in SHRs at the doses of 10, 20, 40 mg/kg/d for 8 weeks consecutively. The blood and urine were collected for assessment of renal function. Renal tissues were collected for histological, immunohistochemistry, ELISA, Western blot and real time reverse transcription PCR (RT-PCR) analysis. RESULTS: The results showed that the levels of interleukin 6 (IL-6), tumor necrosis factor-α (TNF-α), monocyte chemoattractant protein-1 (MCP-1) and recombinant chemokine C-C-Motif receptor 2 (CCR2) were increased in SHRs, meanwhile, the level of IL-10 was decreased in SHR. Treatment of MGF inhibited the expression of IL-6, TNF-α, MCP-1 and CCR2, and promoted the expression of IL-10. Furthermore, the content of blood urea nitrogen (BUN) and serum uric acid (SUA) was significantly increased in the model group, and treatment of MGF had no obvious effects on these parameters at all dose levels. CONCLUSION Our study proved that the kidneys of SHRs had significant inflammatory injury, and MGF had the protective effects on renal inflammatory injury in SHRs; The protective mechanism may be mediated partly by the MCP-1/CCR2 signaling pathway. Thus, it is a potential new drug for the treatment of hypertension.

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Chinese yam yield is affected by soil nutrient levels and interactions among N, P, and K fertilizers.

Yang CHEN ; Xianzhi ZHOU ; Lina MA ; Yongsheng LIN ; Xiangui HUANG

Chinese Herbal Medicines.2023;15(4):588-593. doi:10.1016/j.chmed.2022.11.006

OBJECTIVE: The current fertilization methods for Chinese yam are uneconomic and unfriend to environment. A rational one is very important to achieve desired balance of high yield of Chinese yam, economic and friend to environment. Here, we studied the effects of nitrogen (N), phosphorus (P), and potassium (K) fertilizers on the yield of 'Qinfeng' Chinese yam in shallow-groove directional cultivation. METHODS: The experiments were conducted in Dehua County, Fujian Province, China using a "3414" optimal design. Overall, three fertilizer factors (N, P, and K) were evaluated at the following four levels: 0, no fertilizer; 1, 0.5-fold the typical rate; 2, typical fertilization rate; and 3, 1.5-fold the typical rate. There were 14 different fertilization treatments. RESULTS: Treatment 6 (N₂P₂K₂) produced the longest (75.6 cm) and thickest tubers (4.9 cm) with the highest tuber fresh weight (1311.9 g) and yield (41 015.9 kg/hm²), whereas, treatment 1 produced the shortest (65.6 cm) and thinnest tubers (3.9 cm) with the lowest fresh weight (953.4 g) and yield (28 532.8 kg/hm²) among the 14 fertilizer combinations. The experimental data could be fitted to single-variable quadratic and binary quadratic models but not to a ternary quadratic polynomial model. Appropriate N, P, and K fertilizer application rates increased Chinese yam yield. However, excessive fertilization lowered the yield. Chinese yam yield was significantly and strongly correlated with the amounts of N, P, and K fertilizer applied. CONCLUSION Based on the single variable quadratic and binary quadratic models, we propose that the quantities of N, P, and K fertilizer used to grow 1 hm² 'Qinfeng' Chinese yam should be 360-388.3, 90-100.95, and 416.3-675 kg, respectively.

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Therapeutic effects of Chinese herbal medicines for treatment of urolithiasis: A review.

Chen JIANG ; Lingyun WANG ; Yang WANG ; Rongjia XU ; Hongtao YANG ; Jibin PENG

Chinese Herbal Medicines.2023;15(4):526-532. doi:10.1016/j.chmed.2023.09.001

Urolithiasis is a common and complex disease of the urinary system, which can cause urinary tract blockage, urinary tract infection, and even damage to urinary system-related tissues. Although urolithiasis can be cured, its high recurrence rate and the development of chronic kidney disease in some patients have drawn the attention of nephrologists. Although the application of extracorporeal lithotripsy, percutaneous nephrolithotomy and other minimally invasive techniques have made the treatment of urolithiasis more efficient, pharmacotherapy plays an indispensable role in reducing their morbidity and recurrence rates. Traditional Chinese medicine (TCM) has been used for treatment and prevention of urolithiasis in developing countries for centuries, known for its unquestionable efficacy and safety. This article reviews the progress of clinical trials and pharmacological studies on the treatment of urolithiasis with Chinese herbal medicines (CHMs). The mechanism of CHMs in the treatment of urolithiasis mainly involve preventing further growth and aggregation of urolithiasis, reducing the PH of urine, promoting calculus dissolution. Furthermore, some CHMs can increase urine output, relax smooth muscles, and promote the removal of calculus. These findings provide new treatment strategies and options for urolithiasis and secondary kidney damage.

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Isolation, characterization and modulatory potentials of β-stigmasterol, ergosterol and xylopic acid from Anchomanes difformis on mitochondrial permeability transition pore in vitro.

Kehinde Oluseun SODEINDE ; Akinwunmi Oluwaseun ADEOYE ; Adedeji ADESIPO ; Adebayo A ADENIYI ; John Adeolu FALODE ; Tajudeen Olabisi OBAFEMI ; Samuel Olalekan OLUSANYA ; Linette TWIGGE ; Jeanet CONRADIE ; Timothy O MOSAKU

Chinese Herbal Medicines.2023;15(4):533-541. doi:10.1016/j.chmed.2023.01.006

OBJECTIVE: Secondary metabolites and polyphenolic compounds from medicinal plants have been demonstrated to have multiple biological functions with promising research and development prospects. This study examined the effect of β-stigmasterol (with ergosterol) and xylopic acid isolated from Anchomanes difformis on liver mitochondrial permeability transition pore (mPTP). METHODS: The compounds were isolated by vacuum liquid chromatography. Mitochondrial swelling was assessed as changes in absorbance under succinate-energized conditions. RESULTS: ¹H and ¹³C NMR spectroscopic elucidation of the isolates affirmed the presence of β-stigmasterol with ergosterol (1:0.3) and xylopic acid. The isolates reversed the increase in lipid peroxidation and inhibited the opening of mitochondrial permeability transition pores caused by calcium and glucose. Pharmacological inhibition of mPTP offers a promising therapeutic target for the treatment of mitochondrial-associated disorders. CONCLUSION Reduction in the activity of calcium ATPase and the expression of Caspase-3 and -9 were observed, suggesting that they could play a role in protecting physicochemical properties of membrane bilayers from free radical-induced severe cellular damage and be useful in the management of diseases where much apoptosis occurs.

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Modulative effect of Physalis alkekengi on both gut bacterial and fungal micro-ecosystem.

Yanan YANG ; Xiaohui ZHAO ; Yong XIE ; Chongming WU

Chinese Herbal Medicines.2023;15(4):564-573. doi:10.1016/j.chmed.2023.02.003

OBJECTIVE: Gut microbiome is an intricate micro-ecosystem mediating the human health and drug efficacy. Physalis alkekengi (PAL) is an edible and time-honored traditional Chinese medicine. Several pharmacological effects of PAL have been verified and gut bacteria are implied in its therapeutic actions. However, the detailed modulation of PAL on gut bacterial species and on gut fungi remains largely unknown. We, therefore, designed a preliminary experiment in normal mice to reveal the modulation effect of PAL on both gut bacteria and fungi, and explore the interaction between them. METHODS: Herein, the aqueous extract of PAL was orally administrated to normal C57BL/6 mice for four weeks. The full-length 16S rRNA and ITS1/2 gene sequencing were explored to detect the taxa of gut bacteria and gut fungi after PAL treatment, respectively. RESULTS: Oral administration of PAL notably enriched anti-inflammatory bacterial species such as Duncaniella spp. and Kineothrix alysoides, whereas decreased pro-inflammatory species such as Mucispirillum schaedleri. Simultaneously, PAL increased the abundance of gut fungi Aspergillus ochraceus, Cladosporium sp. and Alternaria sp., and decreased Penicillium janthinellum. Correlation network analysis identified two co-existing microbial groups (groups 1 and 2) that were negatively associated with each other. The group 1 comprised PAL-enriched bacteria and fungi, while group 2 was mainly normal chow-enriched bacteria and fungi. In group 1, Antrodia monomitica, Aspergillus clavatus, Mortierella kuhlmanii and Sarcinomyces sp. MA 4787 were positively correlated with Bifidobacterium globosum, Romboutsia ilealis and so on. In group 2, Chaetomium subspirilliferum, Septoria orchidearum and Cephaliophora tropica were positively related to Lactobacillus spp. CONCLUSION Altogether, this preliminary study first demonstrated the modulation effect of PAL on both gut bacteria and gut fungi, which may shed light on the elucidation of PAL's pharmacological mechanism.

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