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https://www.readbyqxmd.com/read/28294070/dutasteride-in-androgenetic-alopecia-an-update
#1
Tasleem Arif, Konchok Dorjay, Mohammad Adil, Marwa Sami
BACKGROUND: Androgenetic alopecia is a common condition characterized by thinning of scalp hair. Conversion of testosterone to dihydrotestosterone, a more potent androgen, by the enzyme 5-a-reductase is responsible for underlying pathogenesis. Dutasteride, a synthetic 4-azasteroid, is a selective and competitive inhibitor of both type-1 and type-2 isoenzymes of 5-alpha-reductase. Finasteride and minoxidil are the only approved drugs for androgenetic alopecia. Dutasteride has been demonstrated to be effective in several randomized, double-blind, placebo controlled trials in androgenetic alopecia...
March 10, 2017: Current Clinical Pharmacology
https://www.readbyqxmd.com/read/28267687/hypertension-s-3-dilemmas-and-3-solutions-pharmacology-of-the-kidney-in-hypertension
#2
William A Pettinger
The Hypertension Community has 3 conflicting dilemmas: a goal systolic pressure of 120 mm Hg or less (the SPRINT Trials), 40% of our 60,000,000 hypertensives still sustain blood pressures above 140/90 mm Hg, and our most potent antihypertensive drug minoxidil sits on the sidelines, imprisoned in the Food and Drug Administration's Black Box designation. My solutions to these dilemmas are: (1) review of the facts of our most potent antihypertensive drug minoxidil which is essentially free of toxicity, (2) treatment focus on the fundamental cause of high blood pressure, that is excess dietary sodium and, (3) prevention of, and/or reversal of, the fundamental mechanism of worsening hypertension, arteriolar hypertrophy...
March 2017: Journal of Cardiovascular Pharmacology
https://www.readbyqxmd.com/read/28258757/-frontal-fibrosing-alopecia-a-prospective-study-of-20%C3%A2-cases
#3
S Elloudi, S Gallouj, M Meziane, F-Z Mernissi, M Rimani
BACKGROUND: Frontal fibrosing alopecia (FFA) is a variant of lichen planopilaris predominantly affecting postmenopausal women. We report a series of 20 cases of FFA and describe the epidemiological, clinical, dermoscopic features and progress under treatment. PATIENTS AND METHODS: This was a prospective study conducted over a period of 16 months in patients seen at the dermatology department of the Hassan II University in Fez, Morocco. RESULTS: Mean patient age was 46 years...
February 28, 2017: Annales de Dermatologie et de Vénéréologie
https://www.readbyqxmd.com/read/28254392/structural-characterization-and-dissolution-profile-of-mycophenolic-acid-cocrystals
#4
Qing-Zhu Zeng, Jian Ouyang, Shuo Zhang, Lei Zhang
Three novel cocrystals of mycophenolic acid (MPA) with isonicotinamide (MPA-ISO), minoxidil (MPA-MIN) and 2,2'-dipyridylamine (MPA-DPA) as coformers have been prepared successfully by both slow evaporation and liquid-assisted grinding. The structures of these cocrystals show that all the three coformers form hydrogen bonds with the carboxylic acid group of MPA. The cocrystal MPA-ISO possesses remarkably improved solubility and dissolution rate, while two other cocrystals exhibit the opposite characteristics...
February 28, 2017: European Journal of Pharmaceutical Sciences
https://www.readbyqxmd.com/read/28220862/induction-of-hair-follicle-dermal-papilla-cell-properties-in-human-induced-pluripotent-stem-cell-derived-multipotent-lngfr-thy-1-mesenchymal-cells
#5
Ophelia Veraitch, Yo Mabuchi, Yumi Matsuzaki, Takashi Sasaki, Hironobu Okuno, Aki Tsukashima, Masayuki Amagai, Hideyuki Okano, Manabu Ohyama
The dermal papilla (DP) is a specialised mesenchymal component of the hair follicle (HF) that plays key roles in HF morphogenesis and regeneration. Current technical difficulties in preparing trichogenic human DP cells could be overcome by the use of highly proliferative and plastic human induced pluripotent stem cells (hiPSCs). In this study, hiPSCs were differentiated into induced mesenchymal cells (iMCs) with a bone marrow stromal cell phenotype. A highly proliferative and plastic LNGFR(+)THY-1(+) subset of iMCs was subsequently programmed using retinoic acid and DP cell activating culture medium to acquire DP properties...
February 21, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28193226/hair-growth-promoting-effect-of-geranium-sibiricum-extract-in-human-dermal-papilla-cells-and-c57bl-6-mice
#6
William A Boisvert, Miri Yu, Youngbin Choi, Gi Hee Jeong, Yi-Lin Zhang, Sunghun Cho, Changsun Choi, Sanghyun Lee, Bog-Hieu Lee
BACKGROUND: Geranium sibiricum L. has been used as a medicinal plant to treat diarrhea, bacterial infection, and cancer in Bulgaria, Peru, and Korea. However, its hair growth-promoting effect was not investigated so far. This study examined the effects of Geranium sibiricum L. extract (GSE) on hair growth, using in vitro and in vivo models. METHODS: Antioxidant, proliferation and migration assay of GSE was performed with human dermal papilla cells (hDPCs). Hair-growth promoting effect was measured in animal model...
February 13, 2017: BMC Complementary and Alternative Medicine
https://www.readbyqxmd.com/read/28114675/interventions-for-female-pattern-hair-loss
#7
Esther J van Zuuren, Zbys Fedorowicz
Clinical Question: Which interventions are effective and safe for treating female pattern hair loss (FPHL)? Bottom Line: There was low- to moderate-quality evidence that topical minoxidil (2% and 5%) was associated with improvements in FPHL. There was low-quality evidence that finasteride was no more effective than placebo. There were inconsistent results from studies that laser devices were effective, but total hair count increased compared with baseline (moderate- to low-quality evidence)...
March 1, 2017: JAMA Dermatology
https://www.readbyqxmd.com/read/28098826/hair-growth-promoting-and-anticancer-effects-of-p21-activated-kinase-1-pak1-inhibitors-isolated-from-different-parts-of-alpinia-zerumbet
#8
Nozomi Taira, Binh Cao Quan Nguyen, Shinkichi Tawata
PAK1 (p21-activated kinase 1) is an emerging target for the treatment of hair loss (alopecia) and cancer; therefore, the search for PAK1 blockers to treat these PAK1-dependent disorders has received much attention. In this study, we evaluated the anti-alopecia and anticancer effects of PAK1 inhibitors isolated from Alpinia zerumbet (alpinia) in cell culture. The bioactive compounds isolated from alpinia were found to markedly promote hair cell growth. Kaempferol-3-O-β-d-glucuronide (KOG) and labdadiene, two of the isolated compounds, increased the proliferation of human follicle dermal papilla cells by approximately 117%-180% and 132%-226%, respectively, at 10-100 μM...
January 14, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/28078868/minoxidil-dose-response-study-in-female-pattern-hair-loss-patients-determined-to-be-non-responders-to-5-topical-minoxidil
#9
LETTER
J McCoy, A Goren, M Kovacevic, J Shapiro
Topical minoxidil is the only US FDA approved drug for the treatment of female pattern hair loss (FPHL). 5% minoxidil foam is only effective at re-growing hair in a minority of women (approximately 40%). Thus, the majority of FPHL patients remain untreated. Previously, we demonstrated that nonresponders to 5% minoxidil have low metabolism of minoxidil in hair follicles. As such, we hypothesized that increasing the dosage of topical minoxidil to low metabolizers would increase the number of responders without increasing the incidence of adverse events...
October 2016: Journal of Biological Regulators and Homeostatic Agents
https://www.readbyqxmd.com/read/28061966/new-treatments-for-hair-loss
#10
S Vañó-Galván, F Camacho
The treatment of hair loss is an important part of clinical dermatology given the prevalence of the problem and great impact on patients' quality of life. Many new treatments have been introduced in recent years. This review summarizes the main ones in 4 groups: a) For androgenetic alopecia, we discuss new excipients for oral minoxidil, dutasteride, and finasteride as well as new forms of topical application; prostaglandin agonists and antagonists; low-level laser therapy; and regenerative medicine with Wnt signaling activators and stem cell therapy...
January 3, 2017: Actas Dermo-sifiliográficas
https://www.readbyqxmd.com/read/28056723/chronic-treatment-with-minoxidil-induces-elastic-fiber-neosynthesis-and-functional-improvement-in-the-aorta-of-aged-mice
#11
Marion Coquand-Gandit, Marie Paule Jacob, Wassim Fhayli, Beatriz Romero Ruiz de la Hermosa, Miglena Georgieva, Stéphanie Bouillot, Eric Estève, Jean-Pierre Andrieu, Sandrine Brasseur, Sophie Bouyon, Natalio Garcia-Honduvilla, Philippe Huber, Julia Bujan, Milena Atanasova, Gilles Faury
Normal arterial aging processes involve vascular cell dysfunction associated with wall stiffening, the latter being due to progressive elastin and elastic fiber degradation, as well as elastin and collagen cross-linking by advanced glycation end-products (AGE). These processes progressively lead to cardiovascular dysfunction during aging. Elastin is only synthesized during late gestation and childhood, and further degradation occurring throughout adulthood cannot be physiologically compensated by replacement of altered material...
January 5, 2017: Rejuvenation Research
https://www.readbyqxmd.com/read/28050093/refractory-shock-following-ingestion-of-topical-minoxidil-solution
#12
T P Shashikala, Rajeshwar Singh, J Muthukrishnan
No abstract text is available yet for this article.
December 2016: Medical Journal, Armed Forces India
https://www.readbyqxmd.com/read/28028522/preparation-and-evaluation-of-a-hair-wax-containing-propolis-and-eruca-sativa-seed-oil-for-hair-growth
#13
Mohammad-Ali Shatalebi, Leila Safaeian, Azar Baradaran, Mozhde Alamdarian
BACKGROUND: Hair growth as a key consumer objective has important role in the hair care products researches. This study was aimed to investigate the effect of a hair wax containing propolis, a resinous mixture produced by honeybees in Eruca sativa seed oil base on hair growth. MATERIALS AND METHODS: The hair wax was designed and formulated compared with marketed brand hair wax and evaluated for pharmaceutical parameters including pH, homogeneity, consistency, spread ability, in vitro drug release, and stability...
2016: Advanced Biomedical Research
https://www.readbyqxmd.com/read/28007903/autophagy-activators-suppress-cystogenesis-in-an-autosomal-dominant-polycystic-kidney-disease-model
#14
Ping Zhu, Cynthia J Sieben, Xiaolei Xu, Peter C Harris, Xueying Lin
Autosomal dominant polycystic kidney disease (ADPKD) is caused by mutations in either PKD1 or PKD2 It is one of the most common heritable human diseases with eventual development of renal failure; however, effective treatment is lacking. While inhibition of mechanistic target of rapamycin (mTOR) effectively slows cyst expansions in animal models, results from clinical studies are controversial, prompting further mechanistic studies of mTOR-based therapy. Here, we aim to establish autophagy, a downstream pathway of mTOR, as a new therapeutic target for PKD...
December 22, 2016: Human Molecular Genetics
https://www.readbyqxmd.com/read/27980039/intracellular-calcium-mobilization-in-response-to-ion-channel-regulators-via-a-calcium-induced-calcium-release-mechanism
#15
Terry Petrou, Hervør L Olsen, Christopher Thrasivoulou, John R Masters, Jonathan F Ashmore, Aamir Ahmed
Free intracellular calcium ([Ca(2+)]i), in addition to being an important second messenger, is a key regulator of many cellular processes including cell membrane potential, proliferation, and apoptosis. In many cases, the mobilization of [Ca(2+)]i is controlled by intracellular store activation and calcium influx. We have investigated the effect of several ion channel modulators, which have been used to treat a range of human diseases, on [Ca(2+)]i release, by ratiometric calcium imaging. We show that six such modulators [amiodarone (Ami), dofetilide, furosemide (Fur), minoxidil (Min), loxapine (Lox), and Nicorandil] initiate release of [Ca(2+)]i in prostate and breast cancer cell lines, PC3 and MCF7, respectively...
February 2017: Journal of Pharmacology and Experimental Therapeutics
https://www.readbyqxmd.com/read/27896178/comparison-of-saccharina-japonica-undaria-pinnatifida-mixture-and-minoxidil-on-hair-growth-promoting-effect-in-mice
#16
Ki Soo Park, Dae Hwan Park
BACKGROUND: Algae have traditionally been used for promotion of hair growth. Use of hair regrowth drugs, such as minoxidil, is limited due to side effects. The aim of this study was to examine a mixture of Saccharina japonica and Undaria pinnatifida (L-U mixture) on hair growth and to compare the promoting effect of hair growth by a 3% minoxidil and a L-U mixture. METHODS: To evaluate the hair growth-promoting activity, saline, 50% ethanol, 3% minoxidil, and the L-U mixture were applied 2 times a day for a total of 14 days on the dorsal skin of C57BL/6 mice after depilation...
November 2016: Archives of Plastic Surgery
https://www.readbyqxmd.com/read/27875370/myocardial-infarction-after-accidental-minoxidil-poisoning
#17
Ankur Sinha, Hitesh Raheja, Yizhak Kupfer
No abstract text is available yet for this article.
November 14, 2016: American Journal of Therapeutics
https://www.readbyqxmd.com/read/27871349/alopecia-areata-part-iii-prognosis-and-treatment
#18
Juliany Estefan, Marcia Ribeiro, Eliane Abad, Simone Saintive, Marcia Ramos-E-Silva
The prognosis of alopecia areata is better in cases with single and small lesions, and the variability of the extension of the disease is one of the criteria for the choice of treatment modality. Several medications have been described in the literature for the treatment of alopecia areata, including corticosteroids, minoxidil, and diphencyprone. The authors review treatments for alopecia areata.
2016: Skinmed
https://www.readbyqxmd.com/read/27791311/platelets-rich-plasma-versus-minoxidil-5-in-treatment-of-alopecia-areata-a-trichoscopic-evaluation
#19
Moustafa A El Taieb, Hassan Ibrahim, Essam A Nada, Mai Seif Al-Din
Alopecia areata is a common cause of nonscarring alopecia that occurs in a patchy, confluent, or diffuse pattern. Dermoscopy is a noninvasive technique for the clinical diagnosis of many skin diseases. Topical minoxidil solution 5% and platelet rich plasma are important modalities used in treatment of alopecia areata. We aimed to evaluate the efficacy of PRP versus topical minoxidil 5% in the treatment of AA by clinical evaluation and trichoscopic examination. Ninety patients were allocated into three groups; the first was treated with topical minoxidil 5% solution, the second with platelets rich plasma injections, and the third with placebo...
January 2017: Dermatologic Therapy
https://www.readbyqxmd.com/read/27770310/treating-alopecia-areata-current-practices-versus-new-directions
#20
REVIEW
Aditya K Gupta, Jessie Carviel, William Abramovits
Alopecia areata (AA) is non-scarring hair loss resulting from an autoimmune disorder. Severity varies from patchy hair loss that often spontaneously resolves to severe and chronic cases that can progress to total loss of scalp and body hair. Many treatments are available; however, the efficacy of these treatments has not been confirmed, especially in severe cases, and relapse rates are high. First-line treatment often includes corticosteroids such as intralesional or topical steroids for mild cases and systemic steroids or topical immunotherapy with diphenylcyclopropenone or squaric acid dibutylester in severe cases...
February 2017: American Journal of Clinical Dermatology
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