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A Systemic Review on Topical Marketed Formulations, Natural Products, and Oral Supplements to Prevent Androgenic Alopecia: A Review
Sumel Ashique, Navjot Kaur Sandhu, Sk. Niyamul Haque, Kartick Koley
Natural Products and Bioprospecting 2020, 10 (
6
): 345-365. DOI: 10.1007/s13659-020-00267-9
Abstract
PDF
(3690KB)
Androgens have an intense consequence on the human scalp and body hair. Scalp hair sprouts fundamentally in awol of androgens whereas the body hair hike is vulnerable to the activity of androgens. Androgenetic alopecia (AGA) invoked as males emulate Alopecia due to the cause of the dynamic reduction of scalp hair. Androgens are medium of terminus growth of hair although the body. Local and system androgens convert the extensive terminal follicles into lesser vellus like structure. The out start of this type of alopecia is intensely irregular and the reason behind this existence of enough circulating steroidal hormones androgens and due to genetic predisposition. Effective treatments are available in the market as well as under clinical and preclinical testing. Many herbal formulations are also available but not FDA approved. Different conventional and NDDS formulations are already available in the market. To avoid various systemic side effects of both Finasteride and Minoxidil, topical formulations and natural products (nutrients, minerals, vitamins) now a days are being widely used to treat Androgenic alopecia. CAM (complementary and alternative medicine) provides the option to elect favorable, low-risk, adjuvant and alternative therapies. Herein, we offer a widespread review of topical marketed formulations, natural products, and CAM treatment options for AGA.
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The Genus
Solanum
: An Ethnopharmacological, Phytochemical and Biological Properties Review
Joseph Sakah Kaunda, Ying-Jun Zhang
Natural Products and Bioprospecting 2019, 9 (
2
): 77-137. DOI: 10.1007/s13659-019-0201-6
Abstract
PDF
(6350KB)
Over the past 30 years,the genus
Solanum
has received considerable attention in chemical and biological studies.
Solanum
is the largest genus in the family Solanaceae,comprising of about 2000 species distributed in the subtropical and tropical regions of Africa,Australia,and parts of Asia,e.g.,China,India and Japan.Many of them are economically significant species.Previous phytochemical investigations on
Solanum
species led to the identification of steroidal saponins,steroidal alkaloids,terpenes,flavonoids,lignans,sterols,phenolic comopunds,coumarins,amongst other compounds.Many species belonging to this genus present huge range of pharmacological activities such as cytotoxicity to different tumors as breast cancer (4T1 and EMT),colorectal cancer (HCT116,HT29,and SW480),and prostate cancer (DU145) cell lines.The biological activities have been attributed to a number of steroidal saponins,steroidal alkaloids and phenols.This review features 65 phytochemically studied species of
Solanum
between 1990 and 2018,fetched from SciFinder,Pubmed,ScienceDirect,Wikipedia and Baidu,using "Solanum" and the species'names as search terms ("all fields").
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Anticancer Properties of Lobetyolin, an Essential Component of Radix Codonopsis (Dangshen)
Christian Bailly
Natural Products and Bioprospecting 2021, 11 (
2
): 143-153. DOI: 10.1007/s13659-020-00283-9
Abstract
PDF
(5696KB)
Lobetyolin (LBT) is a polyacetylene glycoside found in diverse medicinal plants but mainly isolated from the roots of
Codonopsis pilosula
, known as Radix Codonopsis or Dangshen. Twelve traditional Chinese medicinal preparations containing Radix Codonopsis were identified; they are generally used to tonify spleen and lung Qi and occasionally to treat cancer. Here we have reviewed the anticancer properties of
Codonopsis
extracts, LBT and structural analogs. Lobetyolin and lobetyolinin are the mono- and bis-glucosylated forms of the polyacetylenic compound lobetyol. Lobetyol and LBT have shown activities against several types of cancer (notably gastric cancer) and we examined the molecular basis of their activity. A downregulation of glutamine metabolism by LBT has been evidenced, contributing to drug-induced apoptosis and tumor growth inhibition. LBT markedly reduces both mRNA and protein expression of the amino acid transporter Alanine-Serine-Cysteine Transporter 2 (ASCT2). Other potential targets are proposed here, based on the structural analogy with other anticancer compounds. LBT and related polyacetylene glycosides should be further considered as potential anticancer agents, but more work is needed to evaluate their efficacy, toxicity, and risk-benefit ratio.
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Natural Products in Cancer Therapy: Past, Present and Future
Min Huang, Jin-Jian Lu, Jian Ding
Natural Products and Bioprospecting 2021, 11 (
1
): 5-13. DOI: 10.1007/s13659-020-00293-7
Abstract
PDF
(5481KB)
Natural products, with remarkable chemical diversity, have been extensively investigated for their anticancer potential for more than a half-century. The collective efforts of the community have achieved the tremendous advancements, bringing natural products to clinical use and discovering new therapeutic opportunities, yet the challenges remain ahead. With remarkable changes in the landscape of cancer therapy and growing role of cutting-edge technologies, we may have come to a crossroads to revisit the strategies to understand nature products and to explore their therapeutic utility. This review summarizes the key advancements in nature product-centered cancer research and calls for the implementation of systematic approaches, new pharmacological models, and exploration of emerging directions to revitalize natural products search in cancer therapy.
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Two New Quinazoline Derivatives from the Moss Endophytic Fungus
Aspergillus
sp. and Their Anti-inflammatory Activity
Ning-Ning Wang, Chun-Yu Liu, Tian Wang, Yue-Lan Li, Ke Xu, Hong-Xiang Lou
Natural Products and Bioprospecting 2021, 11 (
1
): 105-110. DOI: 10.1007/s13659-020-00287-5
Abstract
PDF
(4692KB)
Two new quinazoline derivatives versicomides E (
1
) and F (
2
), and 10 known compounds (
3
-
12
) were isolated from the moss endophytic fungus
Aspergillus
sp. Their structures were determined on the basis of extensive spectroscopic data analysis and ECD calculations. Among them, the compound
7
(6-hydroxy-3-methoxyviridicatin) was first reported as a natural product. Inhibition on LPS-induced NO production in RAW 264.7 murine macrophages found that compounds
5
,
7
and
8
showed significant inhibitory effects on NO production, with IC
50
values of 49.85, 22.14 and 46.02 μM respectively.
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In Mourning and Memory of Late Professor Zhou Jun
Ji-Kai Liu, Xiao-Dong Luo
Natural Products and Bioprospecting 2021, 11 (
1
): 3-3. DOI: 10.1007/s13659-021-00300-5
Abstract
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(3147KB)
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Anemhupehins A-C, Podocarpane Diterpenoids from
Anemone hupehensis
Xing Yu, Kai-Ting Duan, Zhen-Xiong Wang, He-Ping Chen, Xiao-Qing Gan, Rong Huang, Zheng-Hui Li, Tao Feng, Ji-Kai Liu
Natural Products and Bioprospecting 2018, 8 (
1
): 31-35. DOI: 10.1007/s13659-017-0146-6
Abstract
PDF
(3618KB)
Three new podocarpane diterpenoids, namely anemhupehins A-C (
1-3
), together with four known analogues (
4-7
), have been isolated from aerial parts of
Anemone hupehensis
. Their structures were characterized based on extensive spectroscopic data. Compounds
1
and
4
showed certain cytotoxicities against human cancer cell lines.
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Two New Compounds from
Schisandra propinqua
var.
propinqua
Miao Liu, Zheng-Xi Hu, Yuan-Qing Luo, Min Zhou, Wei-Guang Wang, Xiao-Nian Li, Xue Du, Jian-Xin Pu, Han-Dong Sun
Natural Products and Bioprospecting 2017, 7 (
3
): 257-262. DOI: 10.1007/s13659-017-0129-7
Abstract
PDF
(1065KB)
Schisanpropinoic acid (
1
), a new bergamotane sesquiterpenoid, and schisanpropinin (
2
), a new tetrahydrofuran lignan with a rare epoxyethane unit, were identified from the stems and leaves of
Schisandra propinqua
var.
propinqua
. Their structures were determined based on comprehensive spectroscopic and mass spectrometric analysis. The absolute configuration of
1
was determined by X-ray analysis. Compounds
1
and
2
were tested for their cytotoxic activity against five human tumor cell lines.
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Insight into Medicinal Chemistry Behind Traditional Chinese Medicines:
p
-Hydroxybenzyl Alcohol-Derived Dimers and Trimers from
Gastrodia elata
Yanan Wang, Min Zhang, Xue Zhou, Chengbo Xu, Chenggen Zhu, Yuhe Yuan, Naihong Chen, Yongchun Yang, Qinglan Guo, Jiangong Shi
Natural Products and Bioprospecting 2021, 11 (
1
): 31-50. DOI: 10.1007/s13659-020-00258-w
Abstract
PDF
(10762KB)
From an aqueous extract of “tian ma” (the steamed and dried rhizomes of
Gastrodia elata
), ten new compounds gastrodibenzins A-D (
1
-
4
) and gastrotribenzins A-F (
5
-
10
), along with known analogues (
11
-
20
), having structure features coupling between two and three
p
-hydroxybenzyl-derived units via carbon- and/or ether-bonds, were isolated and characterized by spectroscopic data analysis. Meanwhile, the new compounds
5a
,
6a
,
8a
,
22
, and
23
, as well as the known derivatives
13a
,
14a
,
15
,
17
-
21
,
24
,
25
, and
p
-hydroxybenzyl aldehyde were isolated and identified from a refluxed aqueous solution of
p
-hydroxybenzyl alcohol. Methylation of
5a
and
6a
in methanol and ethylation of
6a
,
8a
,
13a
, and
14a
in ethanol produced
5
and
6
and
7
,
8
,
13
, and
14
, respectively. using ultra-performance liquid chromatography high-resolution electrospray ionization mass spectrometry (UPLC-HRESIMS) analysis of the refluxed solutions of
p
-hydroxybenzyl alcohol and the refluxed extracts of the fresh
G. elata
rhizome and “tian ma” extracts indicated consistent production and variation of the dimeric and trimeric derivatives of
p
-hydroxybenzyl alcohol upon extracting solvents and refluxing time. In various assays, the dimeric and trimeric derivatives showed more potent activities than
p
-hydroxybenzyl alcohol itself and gastrodin, which are the main known active constituents of “tian ma”. These results revealed for the first time that the more effective dimers and trimers can be produced through condensation of the co-occurring
p
-hydroxybenzyl alcohol during processing and decocting of the
G. elata
rhizomes, demonstrating insights into medicinal chemistry behind application protocols of traditional Chinese medicines.
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Xylanilyticolides A-C, Three New Compounds from Cultures of the Actinomycete
Promicromonospora xylanilytica
YIM 61515
Zhen-Xiong Wang, Shen Qin, Li-Hua Xu, He-Ping Chen, Huan Sun, Rong Huang, Zheng-Hui Li, Tao Feng, Ji-Kai Liu
Natural Products and Bioprospecting 2018, 8 (
2
): 91-95. DOI: 10.1007/s13659-018-0154-1
Abstract
PDF
(3189KB)
Three new lactones, xylanilyticolides A-C (
1-3
), were isolated from cultures of the actinomycete
Promicromonospora xylanilytica
YIM 61515. Their structures were elucidated by 1D and 2D NMR spectroscopic data in conjunction with HRESIMS analysis. Compound
1
exhibited potent cytotoxicities against five human cancer cell lines HL-60, A-549, SMMC-7721, MCF-7 and SW480 with the IC
50
values of 3.9, 15.2, 11.2, 5.9, and 4.7 μM, respectively.
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