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https://www.readbyqxmd.com/read/28836330/actein-alleviates-2-3-7-8-tetrachlorodibenzo-p-dioxin-mediated-cellular-dysfunction-in-osteoblastic-mc3t3-e1-cells
#1
Eun Mi Choi, Kwang Sik Suh, Woon-Won Jung, So Young Park, Sang Ouk Chin, Sang Youl Rhee, Youngmi Kim Pak, Suk Chon
The environmental pollutant 2,3,7,8-tetrachlorodibenzo-p-dioxin (TCDD) is known to affect bone metabolism. We evaluated the protective effects of the triterpene glycoside actein from the herb black cohosh against TCDD-induced toxicity in MC3T3-E1 osteoblastic cells. We found that TCDD significantly reduced cell viability and increased apoptosis and autophagy in MC3T3-E1 osteoblastic cells (P < .05). In addition, TCDD treatment resulted in a significant increase in intracellular calcium concentration, mitochondrial membrane potential collapse, reactive oxygen species (ROS) production, and cardiolipin peroxidation, whereas pretreatment with actein significantly mitigated these effects (P < ...
August 24, 2017: Environmental Toxicology
https://www.readbyqxmd.com/read/28762712/common-herbal-dietary-supplement-drug-interactions
#2
REVIEW
Gary N Asher, Amanda H Corbett, Roy L Hawke
Nearly 25% of U.S. adults report concurrently taking a prescription medication with a dietary supplement. Some supplements, such as St. John's wort and goldenseal, are known to cause clinically important drug interactions and should be avoided by most patients receiving any pharmacologic therapy. However, many other supplements are predicted to cause interactions based only on in vitro studies that have not been confirmed or have been refuted in human clinical trials. Some supplements may cause interactions with a few medications but are likely to be safe with other medications (e...
July 15, 2017: American Family Physician
https://www.readbyqxmd.com/read/28627583/deoxyactein-protects-pancreatic-%C3%AE-cells-against-methylglyoxal-induced-oxidative-cell-damage-by-the-upregulation-of-mitochondrial-biogenesis
#3
Kwang Sik Suh, Eun Mi Choi, Woon-Won Jung, Yu Jin Kim, Soo Min Hong, So Yong Park, Sang Youl Rhee, Suk Chon
Methylglyoxal (MG) is one of the major precursors of advanced glycation end products (AGEs), which are considered to be one of the causes of diabetes and its complications. The root and rhizomes of black cohosh (Cimicifuga racemosa) have long been used medicinally, and deoxyactein is one of its major constituents. In the present study, the protective effects of deoxyactein against MG-induced oxidative cell damage were investigated in insulin-producing pancreatic β-cells. We found that deoxyactein protected the pancreatic β-cells against MG-induced cell death...
June 12, 2017: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/28618975/a-black-cohosh-extract-causes-hematologic-and-biochemical-changes-consistent-with-a-functional-cobalamin-deficiency-in-female-b6c3f1-n-mice
#4
Michelle C Cora, William Gwinn, Ralph Wilson, Debra King, Suramya Waidyanatha, Grace E Kissling, Sukhdev S Brar, Dorian Olivera, Chad Blystone, Greg Travlos
Black cohosh rhizome, available as a dietary supplement, is most commonly marketed as a remedy for dysmenorrhea and menopausal symptoms. A previous subchronic toxicity study of black cohosh dried ethanolic extract (BCE) in female mice revealed a dose-dependent ineffective erythropoiesis with a macrocytosis consistent with the condition known as megaloblastic anemia. The purpose of this study was to investigate potential mechanisms by which BCE induces these particular hematological changes. B6C3F1/N female mice (32/group) were exposed by gavage to vehicle or 1,000 mg/kg BCE for 92 days...
July 2017: Toxicologic Pathology
https://www.readbyqxmd.com/read/28561959/review-of-efficacy-of-complementary-and-alternative-medicine-treatments-for-menopausal-symptoms
#5
REVIEW
Thea R Moore, Rachel B Franks, Carol Fox
Complementary and alternative medicine (CAM) treatments have been used for thousands of years around the world. There has been increased interest in utilizing CAM for menopausal symptoms since the release of results of the Women's Health Initiative elucidated long-term adverse effects associated with hormone therapy. Women looking for more natural or safer means to treat hot flushes, night sweats, and other menopausal symptoms often turn to CAM such as yoga, phytoestrogens, or black cohosh. Yet there have been few well-conducted studies looking at the efficacy of these treatments...
May 2017: Journal of Midwifery & Women's Health
https://www.readbyqxmd.com/read/28546801/the-safety-and-tolerance-of-phytotherapies-in-menopausal-medicine-a-review-of-the-literature
#6
REVIEW
Piotr Czuczwar, Tomasz Paszkowski, Marek Lisiecki, Sławomir Woźniak, Anna Stępniak
Phytoestrogens are polyphenol, non-steroidal substances of plant origin, resembling 17β-estradiol in structure. These substances can act as either agonists or antagonists of oestrogen receptors α and β. Phytoestrogens are widely used to alleviate menopausal symptoms, such as hot flushes and night sweats. Most of the currently available products of plant origin registered to soften climacteric symptoms consist of extracts obtained from soy, red clover, or black cohosh. Non-hormonal phytotherapy is a new alternative for patients suffering from menopausal symptoms...
March 2017: Przeglad Menopauzalny, Menopause Review
https://www.readbyqxmd.com/read/28457819/mechanisms-underlying-alterations-in-norepinephrine-levels-in-the-locus-coeruleus-of-ovariectomized-rats-modulation-by-estradiol-valerate-and-black-cohosh
#7
Jing Zhang, Wenpei Bai, Wenjuan Wang, Hai Jiang, Biao Jin, Yao Liu, Shuya Liu, Ke Wang, Jing Jia, Lihua Qin
Hot flushes are common in menopause. Norepinephrine (NE), primarily synthesized in the locus coeruleus (LC), plays a major role in central thermoregulation. Furthermore, we previously observed decreased dopamine beta hydroxylase (DβH), a key enzyme in NE synthesis, in LC neurons following ovariectomy. In this study, we explore the mechanisms underlying decreased NE levels in the LC (LC-NE) in ovariectomized (OVX) rats, and the modulating effects of estradiol valerate (E2) and black cohosh (ICR). We used high-performance liquid chromatography to detect LC-NE in SHAM, OVX, OVX-E2, and OVX-ICR groups...
April 27, 2017: Neuroscience
https://www.readbyqxmd.com/read/28353157/spontaneously-reported-adverse-reactions-for-herbal-medicinal-products-and-natural-remedies-in-sweden-2007-15-report-from-the-medical-products-agency
#8
Erika Svedlund, Maria Larsson, Robert Hägerkvist
BACKGROUND: In relation to the extensive use of herbal medicinal products in self-care, the safety information is limited and there is a need for improvement. This study describes spontaneously reported adverse reactions related to herbal medicinal products and natural remedies in Sweden. OBJECTIVES: To evaluate the characteristics and frequency of adverse events recorded by the Swedish Medical Products Agency, where herbal medicinal products and natural remedies were suspected as causative agents...
June 2017: Drugs—Real World Outcomes
https://www.readbyqxmd.com/read/28306172/genetic-divergence-with-ongoing-gene-flow-is-maintained-by-the-use-of-different-hosts-in-phytophagous-ladybird-beetles-genus-henosepilachna
#9
K W Matsubayashi, T I Kohyama, N Kobayashi, S Yamasaki, M Kuwajima, H Katakura
Adaptation to different environments can promote population divergence via natural selection even in the presence of gene flow - a phenomenon that typically occurs during ecological speciation. To elucidate how natural selection promotes and maintains population divergence during speciation, we investigated the population genetic structure, degree of gene flow and heterogeneous genomic divergence in three closely related Japanese phytophagous ladybird beetles: Henosepilachna pustulosa, H. niponica and H. yasutomii...
March 17, 2017: Journal of Evolutionary Biology
https://www.readbyqxmd.com/read/28276200/vasomotor-symptoms-resulting-from-natural-menopause-a-systematic-review-and-network-meta-analysis-of-treatment-effects-from-the-national-institute-for-health-and-care-excellence-guideline-on-menopause
#10
REVIEW
G Sarri, H Pedder, S Dias, Y Guo, M A Lumsden
BACKGROUND: Vasomotor symptoms (VMSs) are the hallmarks of menopause, occurring in approximately 75% of postmenopausal women in the UK, and are severe in 25%. OBJECTIVES: To identify which treatments are most clinically effective for the relief of VMSs for women in natural menopause without hysterectomy. SEARCH STRATEGY: English publications in MEDLINE, Embase, and The Cochrane Library up to 13 January 2015 were searched. SELECTION CRITERIA: Randomised controlled trials (RCTs) of treatments for women with a uterus for the outcomes of frequency of VMSs (up to 26 weeks), vaginal bleeding, and discontinuation...
September 2017: BJOG: An International Journal of Obstetrics and Gynaecology
https://www.readbyqxmd.com/read/28203134/black-cohosh-hepatotoxicity-with-autoimmune-hepatitis-presentation
#11
Diana L Franco, Santosh Kale, Dora M Lam-Himlin, M Edwyn Harrison
Herbal medicines have been used for the treatment of various ailments since time immemorial. Black cohosh (BC) is well known for the treatment of postmenopausal symptoms, with conflicting evidence supporting its safety and benefits. We present a rare case of BC-induced autoimmune hepatitis (AIH) with hepatotoxicity in a 69-year-old female. To our knowledge, this represents the third case of BC-induced AIH.
January 2017: Case Reports in Gastroenterology
https://www.readbyqxmd.com/read/28160032/feruloyl-dopamine-o-hexosides-are-efficient-marker-compounds-as-orthogonal-validation-for-authentication-of-black-cohosh-actaea-racemosa-an-uhplc-hram-ms-chemometrics-study
#12
Ping Geng, James M Harnly, Jianghao Sun, Mengliang Zhang, Pei Chen
Due to the complexity and variation of the chemical constituents in authentic black cohosh (Actaea racemosa) and its potential adulterant species, an accurate and feasible method for black cohosh authentication is not easy. A high-resolution accurate mass (HRAM) LC-MS fingerprinting method combined with chemometric approach was employed to discover new marker compounds. Seven hydroxycinnamic acid amide (HCAA) glycosides are proposed as potential marker compounds for differentiation of black cohosh from related species, including two Asian species (A...
April 2017: Analytical and Bioanalytical Chemistry
https://www.readbyqxmd.com/read/28128733/actein-inhibits-glioma-growth-via-a-mitochondria-mediated-pathway
#13
Li-Qun Yuan, Yan-Ming Chen, Chao Sun, Zhong-Yong Wang, De-Lin Wang, Qing Lan
Previous studies indicate that the triterpene glycoside Actein from the herb black cohosh inhibits growth of human breast cancer cells. This study sought to investigate the effects of Actein on glioma cell growth and explore the potential mechanisms. Our results showed that administration of Actein significantly inhibited glioma cell viability in a dose- and time-dependent manner. Actein also increasingly inhibited the colony formation processes in glioma U87 cells and U251 cells. Administration of Actein also induced mitochondria-related apoptosis by increasing expression of pro-apoptotic factors Bax, cleaved caspase-3, cleaved caspase-9 and cleaved poly (ADP-ribose) polymerase 1 (PARP1) as well as decreasing anti-apoptotic Bcl-2 expression in U87 cells and U251 cells...
2017: Cancer Biomarkers: Section A of Disease Markers
https://www.readbyqxmd.com/read/27976246/quantification-of-polyphenols-in-powdered-actaea-racemosa-black-cohosh-rhizomes-by-nir-spectroscopy
#14
M Bittner, A Kraehmer, M F Melzig
No abstract text is available yet for this article.
December 2016: Planta Medica
https://www.readbyqxmd.com/read/27929271/hormone-therapy-and-other-treatments-for-symptoms-of-menopause
#15
REVIEW
D Ashley Hill, Mark Crider, Susan R Hill
The results of large clinical trials have led physicians and patients to question the safety of hormone therapy for menopause. In the past, physicians prescribed hormone therapy to improve overall health and prevent cardiac disease, as well as for symptoms of menopause. Combined estrogen/progestogen therapy, but not estrogen alone, increases the risk of breast cancer when used for more than three to five years. Therefore, in women with a uterus, it is recommended that physicians prescribe combination therapy only to treat menopausal symptoms such as vasomotor symptoms (hot flashes) and vaginal atrophy, using the smallest effective dosage for the shortest possible duration...
December 1, 2016: American Family Physician
https://www.readbyqxmd.com/read/27908549/noni-leaf-and-black-tea-enhance-bone-regeneration-in-estrogen-deficient-rats
#16
Nor Aijratul Asikin Mohd Shalan, Noordin M Mustapha, Suhaila Mohamed
OBJECTIVE: Black tea and Nonileaf are among the dietary compounds that can benefit patients with bone resorption disorders. Their bone regeneration effects and their mechanisms were studied in estrogen-deficient rats. METHODS: Noni leaves (three doses) and black tea water extracts were fed to ovariectomized rats for 4 mo, and their effects (analyzed via mechanical measurements, micro-computed tomography scan, and reverse transcriptase polymerase chain reaction mRNA) were compared with Remifemin (a commercial phytoestrogen product from black cohosh)...
January 2017: Nutrition
https://www.readbyqxmd.com/read/27690371/economical-plain-and-rapid-authentication-of-actaea-racemosa-l-syn-cimicifuga-racemosa-black-cohosh-herbal-raw-material-by-resilient-rp-pda-hplc-and-chemometric-analysis
#17
Marian Bittner, Regina Schenk, Andreas Springer, Matthias F Melzig
INTRODUCTION: The medicinal plant Actaea racemosa L. (Ranunculaceae, aka black cohosh) is widely used to treat climacteric complaints as an alternative to hormone substitution. Recent trials prove efficacy and safety of the approved herbal medicinal products from extracts of pharmaceutical quality. This led to worldwide increasing sales. A higher demand for the plant material results in problems with economically motivated adulteration. Thus, reliable tools for herbal drug authentication are necessary...
November 2016: Phytochemical Analysis: PCA
https://www.readbyqxmd.com/read/27677719/botanicals-and-their-bioactive-phytochemicals-for-women-s-health
#18
REVIEW
Birgit M Dietz, Atieh Hajirahimkhan, Tareisha L Dunlap, Judy L Bolton
Botanical dietary supplements are increasingly popular for women's health, particularly for older women. The specific botanicals women take vary as a function of age. Younger women will use botanicals for urinary tract infections, especially Vaccinium macrocarpon (cranberry), where there is evidence for efficacy. Botanical dietary supplements for premenstrual syndrome (PMS) are less commonly used, and rigorous clinical trials have not been done. Some examples include Vitex agnus-castus (chasteberry), Angelica sinensis (dong quai), Viburnum opulus/prunifolium (cramp bark and black haw), and Zingiber officinale (ginger)...
October 2016: Pharmacological Reviews
https://www.readbyqxmd.com/read/27524190/-analysis-of-the-effects-on-menopausal-symptoms-quality-of-life-and-cardiovascular-risk-factors-of-five-different-therapy-in-women-at-early-stage-of-menopause
#19
RANDOMIZED CONTROLLED TRIAL
W Xue, A J Sun, T P Zheng, J F Jiang, Y P Wang, Y Zhang, F L Chen, Y Deng, Y F Wang
OBJECTIVE: To explore the effects of five different therapy in women at early stage of menopause on menopausal symptoms, quality of Life and cardiovascular risk factors. METHODS: A total of 140 women at early stage of menopause were randomly divided into five groups. Thirty women took Conjugated estrogen and medroxyprogesterone acetate(CEE+ MPA) sequential therapy, 27 women took estradiol valerate and medroxyprogesterone acetate(E2V+ MPA) sequential therapy, 26 women took estradiol valerate and Progesterone Soft Capsules(E2V+ P) sequential therapy, 30 women took Kuntai capsule, and 27 took Cohosh extract...
August 2, 2016: Zhonghua Yi Xue za Zhi [Chinese medical journal]
https://www.readbyqxmd.com/read/27402097/liver-toxicity-related-to-herbs-and-dietary-supplements-online-table-of-case-reports-part-2-of-5-series
#20
REVIEW
Amy Christine Brown
BACKGROUND: No online current list of potentially life-threatening, hepatotoxic herbs and dietary supplements based on PubMed case reports exists in a summarized tabular form. METHODS: Documented case reports of herbs or dietary supplements (DS; includes herbs) appearing to contribute to liver injury were used to create an online "DS Toxic Table" of potentially hepatotoxic herbs and dietary supplements (PubMed, 1966 to June, 2016, and cross-referencing). The spectrum of DS induced liver injuries (DSILI) included elevated liver enzymes, hepatitis, steatosis, cholestasis, hepatic necrosis, hepatic fibrosis, hepatic cirrhosis, veno-occlusive disease, acute liver failure requiring a liver transplant, and death...
September 2017: Food and Chemical Toxicology
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