Anti-Inflammatory Activity of Some Characteristic Constituents from the Vine Stems of Spatholobus suberectus
Abstract
:1. Introduction
2. Results and Discussion
2.1. Extraction and Isolation
2.2. ECD Calculation
2.3. Structural Elucidation of Isolated Compounds 1–15
2.4. Activity of Inhibiting NO Overproduction
2.5. Analysis of Messenger RNA (mRNA) Expression Levels of Inflammatory Factors
3. Experimental Section
3.1. General Experimental Procedures
3.2. Plant Material
3.3. Biological Study
3.3.1. Cytotoxicity Assay
3.3.2. NO Inhibition Assay
3.3.3. qPCR Assay
3.3.4. Statistical Analysis
4. Conclusions
Author Contributions
Funding
Conflicts of Interest
References
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Sample Availability: Samples of the compounds are not available from the authors. |
No. | 2 | 4 | ||
---|---|---|---|---|
δH (J in Hz) | δC (mult.) a | δH (J in Hz) | δC (mult.) a | |
2 | 3.61, t (9.7) 4.29, dd (9.7, 3.5) | 66.1 (CH2) | 3.60, t (10.0) 4.22, dd (10.0, 3.7) | 65.9 (CH2) |
3 | 3.56, ddd (9.7, 7.0, 3.5) | 39.4 (CH) | 3.55, m | 39.9 (CH) |
4 | 5.52, d (7.0) | 77.9 (CH) | 5.50, d (6.8) | 78.2 (CH) |
5 | 6.99, d (8.5) | 125.7 (CH) | 7.24, d (8.4) | 132.2 (CH) |
6 | 6.55, d (8.5) | 110.1 (CH) | 6.47, dd (8.4, 2.4) | 109.9 (CH) |
7 | – | 151.3 (C) | – | 158.9 (C) |
8 | – | 135.8 (C) | 6.27, d (2.4) | 103.0 (CH) |
9 | – | 149.7 (C) | – | 156.5 (C) |
10 | – | 112.5 (C) | – | 111.4 (C) |
1′ | – | 118.5 (C) | – | 118.6 (C) |
2′ | – | 153.9 (C) | – | 153.9 (C) |
3′ | 6.52, s | 93.3 (CH) | 6.52, s | 93.4 (CH) |
4′ | – | 147.6 (C) | – | 147.6 (C) |
5′ | – | 141.2 (C) | – | 141.2 (C) |
6′ | 6.97, s | 105.5 (CH) | 6.96, s | 105.5 (CH) |
3-OCH3 | 3.66, s | 60.2 (CH3) | – | – |
-OCH2O- | 5.91, d (0.9); 5.95, d (0.9) | 101.2 (CH2) | 5.91, d (0.7); 5.94, d (0.7) | 101.2 (CH2) |
No. | 5 | No. | 6 | ||
---|---|---|---|---|---|
δH (J in Hz) | δC (mult.) a | δH (J in Hz) | δC (mult.) a | ||
1 | – | 128.6 (C) | 2 | – | 160.5 (C) |
2 | 6.80, d (1.9) | 113.2 (CH) | 3 | – | 121.4 (C) |
3 | – | 147.6 (C) | 4 | 7.78, s | 142.0 (CH) |
4 | – | 145.3 (C) | 5 | 7.24, s | 109.7 (CH) |
5 | 6.69, d (8.0) | 115.5 (CH) | 6 | – | 151.0 (C) |
6 | 6.60, dd (8.0, 1.9) | 121.1 (CH) | 7 | – | 145.5 (C) |
7 | 2.74, t (7.0) | 36.7 (CH2) | 8 | 6.81, s | 102.6 (CH) |
8 | 4.13, t (7.0) | 65.0 (CH2) | 9 | – | 149.1 (C) |
1′ | – | 172.4 (C) | 10 | – | 111.2 (C) |
2′ | 2.44, t (6.7) | 27.8 (CH2) | 1′ | – | 120.6 (C) |
3′ | 2.66, t (6.7) | 34.1 (CH2) | 2′ | – | 145.5 (C) |
4′ | – | 209.1 (C) | 3′ | – | 140.8 (C) |
5′ | 2.39, t (7.4) | 41.8 (CH2) | 4′ | – | 151.8 (C) |
6′ | 1.45, m | 23.1 (CH2) | 5′ | 6.64, d (8.6) | 111.4 (CH) |
7′ | 1.25, m | 30.9 (CH2) | 6′ | 6.86, d (8.6) | 125.2 (CH) |
8′ | 1.25, m | 22.1 (CH2) | 2′-OCH3 | 3.71, s | 60.6 (CH3) |
9′ | 0.85, t (7.1) | 14.0 (CH3) | 3′-OCH3 | 3.77, s | 60.2 (CH3) |
3-OCH3 | 3.74, s | 55.7 (CH3) | 4′-OCH3 | 3.82, s | 56.2 (CH3) |
No. | 14 | 15 | ||
---|---|---|---|---|
δH (J in Hz) | δC (mult.) a | δH (J in Hz) | δC (mult.) a | |
2 | 3.64, dd (9.8, 15.9)4.29, dd (9.2, 9.8) | 66.1 (CH2) | 3.92, t (10.2)4.12, br d (10.2) | 69.6 (CH2) |
3 | 3.66, ddd (6.4, 9.2, 15.9) | 39.4 (CH) | 3.35, m | 30.9 (CH) |
4 | 5.61, d (6.4) | 77.9 (CH) | 2.76, dd (15.6, 5.0)2.90, dd (15.6, 10.6) | 30.0 (CH2) |
5 | 7.39, d (8.6) | 132.1 (CH) | 6.87, d (8.5) | 130.3 (CH) |
6 | 6.72, dd (2.2, 8.6) | 110.6 (CH) | 6.29, dd (8.5, 2.4) | 108.1 (CH) |
7 | – | 158.6 (C) | – | 156.6 (C) |
8 | 6.56, d (2.2) | 104.2 (CH) | 6.19, d (2.4) | 102.8 (CH) |
9 | – | 156.4 (C) | – | 154.9 (C) |
10 | – | 114.3 (C) | – | 113.1 (C) |
1′ | – | 119.4 (C) | – | 122.4 (C) |
2′ | – | 160.4 (C) | – | 156.3 (C) |
3′ | 6.43, d (2.1) | 96.5 (CH) | 6.76, d (2.4) | 102.0 (CH) |
4′ | – | 160.7 (C) | – | 159.2 (C) |
5′ | 6.45, dd (2.1, 8.1) | 106.3 (CH) | 6.55, dd (8.6, 2.4) | 107.3 (CH) |
6′ | 7.26, d (8.1) | 125.3 (CH) | 7.07, d (8.6) | 127.9 (CH) |
1″ | 4.84, d (7.7) | 100.5 (CH) | 4.84, d (7.2) | 101.3 (CH) |
2″ | 3.22, m | 73.3 (CH) | 3.26, m | 73.6 (CH) |
3″ | 3.25, m | 76.7 (CH) | 3.27, m | 77.0 (CH) |
4″ | 3.14, m | 69.8 (CH) | 3.15, m | 70.2 (CH) |
5″ | 3.34, m | 77.2 (CH) | 3.35, m | 77.5 (CH) |
6″ | 3.67, m | 60.8 (CH2) | 3.73, m | 61.1 (CH2) |
3.44, m | 3.46, m | |||
4′-OCH3 | 3.70, s | 55.4 (CH3) | 3.72, s | 55.3 (CH3) |
Compounds | CC50 (μM) | IC50 (μM) | SI a |
---|---|---|---|
1 | 26.23 ± 1.26 | 5.69 ± 0.28 ** ▲▲▲ | 4.61 |
2 | >200 b | 46.26 ± 5.83 | >4.32 |
3 | >200 | 35.41 ± 2.92 ▲ | >5.65 |
4 | 300.455 ± 11.98 | 40.05 ± 6.94 ▲ | 7.50 |
5 | >200 | 45.87 ± 4.76 | >4.36 |
6 | 702.91 ± 56.35 | 28.33 ± 6.44 ▲ | 24.81 |
7 | 335.09 ± 3.02 | 22.75 ± 0.55 ▲▲ | 14.73 |
8 | 314.68 ± 8.19 | 16.34 ± 4.45 ▲▲▲ | 19.25 |
9 | 3557.01 ± 925.86 | 16.87 ± 3.39 ▲▲▲ | 210.84 |
10 | 133.44 ± 2.11 | 6.78 ± 0.59 ** ▲▲▲ | 19.68 |
11 | 103.14 ± 9.56 | 21.11 ± 4.80 ▲▲ | 4.88 |
12 | 413.21 ± 3.075 | 35.49 ± 2.69 ▲▲ | 11.64 |
13 | >200 | 36.43 ± 2.47 ▲ | 5.49 |
14 | 718.30 ± 110.98 | 122.56 ± 9.92 | 5.86 |
15 | 396.85 | >200 | <1.98 |
l-NIL | >200 | 19.08 ± 1.18 | >10.48 |
IND | 633.45 ± 75.12 | 55.44 ± 3.71 | 11.43 |
Gene | Forward (5’–3’) | Reverse (5’–3’) |
---|---|---|
β-Actin | GGCTGTATTCCCCTCCATCG | CCAGTTGGTAACAATGCCATGT |
IL-6 | TAGTCCTTCCTACCCCAATTTCC | TTGGTCCTTAGCCACTCCTTC |
IL-1β | TCAGGCAGGCAGTATCACTC | AGCTCATATGGGTCCGACAG |
TNF-α | ATGGCCTCCCTCTCATCAGT | TGGTTTGCTACGACGTGGG |
iNOS | TCCATGACTCCCAGCACA | CCATCTCCTGCATTTCTTCC |
COX-2 | GGCGCAGTTTATGTTGTCTGT | CAAGACAGATCATAAGCGAGGA |
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Liu, X.-Y.; Zhang, Y.-B.; Yang, X.-W.; Yang, Y.-F.; Xu, W.; Zhao, W.; Peng, K.-F.; Gong, Y.; Liu, N.-F.; Zhang, P. Anti-Inflammatory Activity of Some Characteristic Constituents from the Vine Stems of Spatholobus suberectus. Molecules 2019, 24, 3750. https://doi.org/10.3390/molecules24203750
Liu X-Y, Zhang Y-B, Yang X-W, Yang Y-F, Xu W, Zhao W, Peng K-F, Gong Y, Liu N-F, Zhang P. Anti-Inflammatory Activity of Some Characteristic Constituents from the Vine Stems of Spatholobus suberectus. Molecules. 2019; 24(20):3750. https://doi.org/10.3390/molecules24203750
Chicago/Turabian StyleLiu, Xiao-Yan, You-Bo Zhang, Xiu-Wei Yang, Yan-Fang Yang, Wei Xu, Wei Zhao, Kai-Feng Peng, Yun Gong, Ni-Fu Liu, and Peng Zhang. 2019. "Anti-Inflammatory Activity of Some Characteristic Constituents from the Vine Stems of Spatholobus suberectus" Molecules 24, no. 20: 3750. https://doi.org/10.3390/molecules24203750