Artículos de revistas: "Red hair"

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Barolsky, Paul. "ROSSO'S RED HAIR". Source: Notes in the History of Art 16, n.º 2 (enero de 1997): 33–36. http://dx.doi.org/10.1086/sou.16.2.23204918.

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Ha, Thomas y Jonathan L. Rees. "Red hair - a desirable mutation?" Journal of Cosmetic Dermatology 1, n.º 2 (julio de 2002): 62–65. http://dx.doi.org/10.1046/j.1473-2165.2002.00036.x.

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Zorina-Lichtenwalter, Katerina, William Maixner y Luda Diatchenko. "Detangling red hair from pain". PAIN 161, n.º 5 (mayo de 2020): 938–48. http://dx.doi.org/10.1097/j.pain.0000000000001780.

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4

Rees, J. L. "Pigmentation, melanocortins and red hair". QJM 92, n.º 3 (1 de marzo de 1999): 125–31. http://dx.doi.org/10.1093/qjmed/92.3.125.

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Loefler, I. J. P. "Pigmentation, melanocortins and red hair". QJM 92, n.º 7 (1 de julio de 1999): 418. http://dx.doi.org/10.1093/qjmed/92.7.418-a.

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Loefler, I. J. P. "Pigmentation, melanocortins and red hair". QJM 92, n.º 7 (1 de julio de 1999): 418a—418. http://dx.doi.org/10.1093/qjmed/92.7.418a.

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7

Healy, Eugene, Niamh Flanagan, Carole Todd, Ian J. Jackson, Mark A. Birch-Machin y Jonathan L. Rees. "The inheritance of red hair". Journal of Dermatological Science 16 (marzo de 1998): S146. http://dx.doi.org/10.1016/s0923-1811(98)83871-1.

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8

Sessler, Daniel I. "Red hair and anesthetic requirement". Canadian Journal of Anesthesia/Journal canadien d'anesthésie 62, n.º 4 (30 de enero de 2015): 333–37. http://dx.doi.org/10.1007/s12630-015-0325-z.

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9

Sofwan, Ahmad Gazali, Ahmad Hafizullah, Adiansyah Adiansyah y Rika Rosalinda Tampubolon. "PENGARUH MINYAK SAWIT MERAH (RPO) DAN MINYAK ZAITUN MURNI (EVOO) TERHADAP PERTUMBUHAN RAMBUT PADA KELINCI". JURNAL FARMANESIA 4, n.º 2 (25 de diciembre de 2017): 105–9. http://dx.doi.org/10.51544/jf.v4i2.2710.

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Haircare products are very important to prevent one of the problems of hair damage, both from synthetic and natural ingredients. One of the natural ingredients of hair care products is Red Palm Oil (RPO) and Extra Virgin Olive Oil (EVOO). This research is an experimental study that aims to see whether Red Palm Oil and Extra Virgin Olive Oil have effectiveness in growing hair. This research method used 4 groups of test animals, namely the red palm oil group, extra virgin olive oil, negative control (aqua dest), and positive control (minoxidil). The hair growth activity test was carried out by applying each formula to the marked rabbit's back and measuring the length of the hair using a caliper on the 5th, 10th, 15th, 20th, 25th, and 30th days. On the 31st day, the hair weight was tested by weighing the hair using an analytical balance. The results showed that each formula had hair growth activity, but the most effective oil preparation in accelerating hair growth was Red Palm Oil (RPO).

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10

Chen, Yuan, Qiong Li, Wan Ping Zhang, Jian Jie Cui y Xiao Jian Wu. "Effect of Honeysuckle Extract for Color Protection of Human Hair Exposed to Sunlight Radiation". Advanced Materials Research 821-822 (septiembre de 2013): 28–31. http://dx.doi.org/10.4028/www.scientific.net/amr.821-822.28.

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Color protective effects of honeysuckle extract, benzophenone-3, and non-ionic silicon emulsion to hair fibers were compared by measuring color change of hair exposed to UV irradiation. Dyed color fades faster than natural pigment of hair after sunlight irradiation. Experiment results indicate that honeysuckle extract prevented color fading of dyed red hair in 49.52% and virgin black hair in 19.35% due to its strong antioxidant ability, while color protection effect of benzophenone-3 is not obvious. Non-ionic silicone emulsion provided the best maintenance of hair color of 81.46% in dyed red hair and 41.94% in virgin black hair. However, the synergy of honeysuckle extract with non-ionic silicone emulsion for hair color protecting was not encouraged.

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11

Veldman, Jan E. "A Historical Vignette: Red-Hair Medicine". ORL 64, n.º 2 (2002): 157–65. http://dx.doi.org/10.1159/000057797.

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Thitipramote, Natthawut, Supapong Imsonpang, Passanesh Sukphopetch, Prinyaporn Pradmeeteekul, Junniphaphorn Nimkamnerd, Witayapan Nantitanon y Wantida Chaiyana. "Health Benefits and Safety of Red Pigmented Rice (Oryza sativa L.): In Vitro, Cellular, and In Vivo Activities for Hair Growth Promoting Treatment". Cosmetics 9, n.º 6 (1 de noviembre de 2022): 111. http://dx.doi.org/10.3390/cosmetics9060111.

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The hair growth-promoting activities of Thai native red (Sang-Yod-SY and Mun-Poo-MP) and black (Black glutinous-BG and Hom-Nil-HN) pigmented rice (Oryza sativa L.) extracts, including in vitro 5α-reductase inhibition, hair growth-promoting activity on human hair germinal matrix cells, and in vivo hair-cycle-converting activity in C3H/HeMlac mice, were investigated. Moreover, these extracts were determined to be safe via cytotoxicity (HaCaT cell) and in vivo irritation tests. The results showed that SY red rice extract with high contents of proanthocyanidin (1.50 ± 0.16 mgECE/g extract) exhibited significantly higher 5α-reductase inhibitory activity (18.5 ± 9.0 mgFEA/g extract) (p < 0.05). The maximum growth-promoting activity for human matrix cells treated with SY extract reached about 216.2 ± 0.7% (1 mg/mL) relative to control (100%) after 3 days culture (p < 0.05). Moreover, topical application of 1 mg/mL SY red pericarp rice extracts on shaven C3H skin in telogen phase led to significant hair regeneration (97.2 ±1.3%) based on the shaven area, while vehicle application only tended to yield a regeneration of 50.9 ± 11.7%. Red rice extracts were found to be safe, without signs of cytotoxicity and irritation. This research demonstrates the health benefits and safety of SY red pericarp extract when used for hair growing activity and its potential for use as a natural hair growth promoter and 5α-reductase inhibitor.

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13

Augustinsson, Annelie, Elisabeth Franze, Martina Almqvist, Margareta Warrén Stomberg, Carina Sjöberg y Pether Jildenstål. "Red-Haired People’s Altered Responsiveness to Pain, Analgesics, and Hypnotics: Myth or Fact?—A Narrative Review". Journal of Personalized Medicine 14, n.º 6 (29 de mayo de 2024): 583. http://dx.doi.org/10.3390/jpm14060583.

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Red hair has been linked to altered sensitivity to pain, analgesics, and hypnotics. This alteration may be impacted by variants in the melanocortin-1 receptor (MC1R) gene, which are mainly found in redheads. The aim of this narrative review was to explore and present the current state of knowledge on red hair and its plausible associations with altered responsiveness to pain, analgesics, and hypnotics. Structured searches in the PubMed, CINAHL Complete, and Scopus electronic databases were conducted. Evidence suggests that women with red hair have an increased sensitivity to pain. Conversely, data also indicate a higher pain tolerance in homozygous carriers of MC1R variant alleles. Varied responses to analgesia have been reported, with both increased analgesic responsiveness in homozygous carriers of MC1R variant alleles and less analgesia in redheads. Data indicate an increased need for hypnotics in redheads. However, failed attempts to find statistical associations between red hair and altered responsiveness to hypnotics are also evident. Even though there seems to be an association between red hair and an altered responsiveness to pain, analgesics, and/or hypnotics, the results of this narrative review are inconclusive. Further research studies with larger populations and MC1R testing are needed.

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14

Drew, Cassandra, Leah Shin, Maria McGowan y Betsy Furukawa. "Congenital red hair heterochromia in the background of blond scalp hair". Pediatric Dermatology 39, n.º 1 (16 de diciembre de 2021): 139–40. http://dx.doi.org/10.1111/pde.14886.

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15

Juhlin, L. y JP Ortonne. "Red scalp hair turning dark-brown at 50 years of age". Acta Dermato-Venereologica 66, n.º 1 (1 de enero de 1986): 71–73. http://dx.doi.org/10.2340/00015555667173.

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We report on a man whose scalp hair was reddish since childhood but changed into dark-brown after the age of 50. His pubic hair and beard remained carrot coloured. A high level of arsenic in his scalp hair seemed to be a possible cause of the change from pheomelanogenesis to eumelanogenesis.

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16

Park, Gyeong-Hun, Ki-young Park, Hong-il Cho, Sang-Min Lee, Ji Su Han, Chong Hyun Won, Sung Eun Chang et al. "Red Ginseng Extract Promotes the Hair Growth in Cultured Human Hair Follicles". Journal of Medicinal Food 18, n.º 3 (marzo de 2015): 354–62. http://dx.doi.org/10.1089/jmf.2013.3031.

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17

Rees, Jonathan L. y Eugene Healy. "Melanocortin Receptors, Red Hair, and Skin Cancer". Journal of Investigative Dermatology Symposium Proceedings 2, n.º 1 (enero de 1997): 94–98. http://dx.doi.org/10.1038/jidsymp.1997.18.

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18

Tunnell, Michael O. "Profile: Eilonwy of the Red-gold Hair". Language Arts 66, n.º 5 (1 de septiembre de 1989): 558–63. http://dx.doi.org/10.58680/la198924908.

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19

Cunningham, A. L., C. P. Jones, J. Ansell y J. D. Barry. "Red for danger: the effects of red hair in surgical practice". BMJ 341, dec09 2 (9 de diciembre de 2010): c6931. http://dx.doi.org/10.1136/bmj.c6931.

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20

Sundawan, Prayoga Dafa, Satrio Adi Putra, Mochamad Raka Werdaya y Nia Yuniarsih. "The Potential of Red Dragon Fruit (Hylocereus polyrizhus) as a Hair Dye". Archives of The Medicine and Case Reports 3, n.º 4 (20 de junio de 2022): 304–6. http://dx.doi.org/10.37275/amcr.v3i4.218.

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Hair coloring is the act of changing the hair color, which has been known since the times of Egypt, Ancient Greece, Ancient China, and India. At that time, the colors used that came from plants were called vegetable dyes or traditional dyes, where the coloring was done to change the original hair color or to cover gray hair and follow the existing trends. Natural dyes are not only used as medicine but can also be used as cosmetic dyes. One of the natural ingredients that can be used to make hair dye preparations is the skin of red dragon fruit (Hylocereus Polyrhizus). In general, dragon fruit skin is rarely used properly, even thrown away when finished) It's just that many people don't know how to use it, thus increasing the amount of waste from dragon fruit skin.

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21

Robbins, Jo Ann, Thomas M. Sjulin y H. Paul Rasmussen. "Scanning Electron Microscope Analysis of Drupelet Morphology of Red Raspberry and Related Rubus Genotypes". Journal of the American Society for Horticultural Science 113, n.º 3 (mayo de 1988): 474–80. http://dx.doi.org/10.21273/jashs.113.3.474.

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Abstract Scanning electron microscopy was used to measure epidermal hairs and drupelet morphology of raspberry fruit. Significant differences were found among cultivars and selections in drupelet size, total contact area between drupelets, and contact area with hairs between drupelets, hair density index, and hair length. Drupelet numbers also differed. Fruit strength, as measured by cohesiveness, was related to contact area between drupelets, whether hair-covered or not, in conjunction with total drupelet number. Hair density contributed to cohesion in some years with certain cultivars. Resistance to compression was most consistently correlated with total drupelet area and contact area between drupelets alone and in conjunction with hair density.

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22

Karaşahi̇n, Tahir, Şükrü Dursun, Neşe Hayat Aksoy, Hüdai İpek y Göktuğ Şentürk. "Hematological Parameters in Hair Goats During and out of Breeding Season Hair Goats Seasonal Hematological Parameters". Iranian Journal of Veterinary Medicine 17, n.º 2 (1 de abril de 2023): 113–18. http://dx.doi.org/10.32598/ijvm.17.2.1005334.

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Background: The hair goat of Anatolia is a breed that has adapted to rugged and mountainous areas and is known to be very resistant to diseases. As the world faces the problem of climate change, we believe that knowing the hematological characteristics of hair goats will provide great benefits for goat breeding. Objectives: This study was performed to determine possible differences in the blood parameters of adult (male and female) hair goats during and out of the breeding season. Methods: For this purpose, blood samples were taken from clinically healthy adult male and female hair goats (n=36, 3-4 years old) in the spring and autumn seasons. Regarding the whole blood, white blood cell (WBC), red blood cell (RBC), hemoglobin (Hb), hematocrit (Hct), mean red blood cell volume (MCV), mean red blood cell hemoglobin (MCH), average red blood cell hemoglobin concentration (MCHC) and red blood cell distribution width (RDW) values were determined. Results: In the study, MCV values in males were not significantly (P≥0.05) different between spring and autumn, while all other parameters showed significant differences (P≤0.05). In females, WBC, RBC, Hb, Hct, and RDW blood values were higher in the autumn (estrus period) than in the spring (anestrus period), and the differences were found to be significant (P≤0.05). Comparing males and females between the estrus and anestrus seasons, WBC and MCHC were found to be significantly different (P≤0.05) between males and females in May. In contrast, the difference between other parameters was not significant. In October (estrus season), the MCV value was not significantly different between males and females; however, all other parameters were significantly different (P≤0.05). Conclusion: As a result, there were significant differences in hematological parameters of hair goats based on gender and the breeding season.

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Ellianawati, Ellianawati, Muhammad An’im Arravi, Fitria Wulandari y Rofita Istiqomah. "Determining Hair Thickness using the Light Diffraction Method: Verification of the Seven Times Sliced Hair Phenomenon". Journal of Natural Sciences and Mathematics Research 4, n.º 2 (31 de diciembre de 2018): 69–73. http://dx.doi.org/10.21580/jnsmr.2018.4.2.11037.

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Light or optical spectrum is a part of electromagnetic radiation and has several electromagnetic wave properties; one of them is undergoing diffraction. Diffraction or light bending occurred when a light went through a narrow gap. By utilizing that principle, it was proven that a piece of hair could be assumed as a single gap, so the thickness of a piece of hair could be determined, which lead to the explanation of the phenomenon of a piece of hair sliced seven times. As a tool, the used sim cardholder is used to put hair using adhesive tape. Then the sim card is placed between the light source and the screen. The light source used is a red laser with a wavelength of 660 nm. Hair is placed in two positions: horizontally and vertically. Hair that is laid horizontally will create a vertical light-dark pattern, and hair that is placed vertically will form a horizontal light-dark pattern. The dark and light patterns on the screen are measured using a ruler according to the order of each pattern that is formed. The hair thickness measurement results using a red laser with a wavelength of 660 nm obtained hair thickness of d = (0.01146 ± 0.00019) cm for hair that is placed horizontally and d = (0.01151 ± 0.00011) cm for vertically placed hair. This data has more or less proven that there is potential to "split" the hair into sections, but it has not been proven that the hair can be split into seven parts, so there is still a chance to prove it.

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Liu, Bing, Shu-Fang Jin, Hua-Chao Li, Xiang-Yu Sun, Si-Qi Yan, Shu-Jun Deng y Ping Zhao. "The Bio-Safety Concerns of Three Domestic Temporary Hair Dye Molecules: Fuchsin Basic, Victoria Blue B and Basic Red 2". Molecules 24, n.º 9 (5 de mayo de 2019): 1744. http://dx.doi.org/10.3390/molecules24091744.

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Hair-coloring products include permanent, semi-permanent and temporary dyes that vary by chemical formulation and are distinguished mainly by how long they last. Domestic temporary hair dyes, such as fuchsin basic, basic red 2 and Victoria blue B, are especially popular because of their cheapness and facile applications. Despite numerous studies on the relationship between permanent hair dyes and disease, there are few studies addressing whether these domestic temporary hair dyes are associated with an increased cancer risk. Herein, to ascertain the bio-safety of these temporary hair dyes, we comparatively studied their percutaneous absorption, hemolytic effect and cytotoxic effects in this paper. Furthermore, to better understand the risk of these dyes after penetrating the skin, experimental and theoretical studies were carried out examining the interactions between the dyes and serum albumins as well as calf thymus (CT)-DNA. The results showed that these domestic temporary hair dyes are cytotoxic with regard to human red blood cells and NIH/3T3 cell lines, due to intense interactions with bovine serum albumin (BSA)/DNA. We conclude that the temporary hair dyes may have risk to human health, and those who use them should be aware of their potential toxic effects.

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Song, Phil Hyun, Gyu-Ryeul Park, Yoon-Hae Kim, Dae Hwa Jung, Sae-Kwang Ku y Chang-Hyun Song. "Hair-Growth-Promoting Effects of Fermented Red Ginseng Marc and Traditional Polyherb Formula in C57BL/6 Mice". Applied Sciences 11, n.º 3 (28 de enero de 2021): 1195. http://dx.doi.org/10.3390/app11031195.

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An abnormal hair-growth cycle induces hair loss, which affects psychological distress and impairs life quality. Red ginseng marc (RGM) is usually discarded as a byproduct after extracting red ginseng, but several studies have shown that the RGM still has bioactive components including ginsenosides. Therefore, the hair-growth effects of fermented RGM (fRGM) and traditional polyherb formula (PH) were examined in C57BL/6 mice. The dorsal hairs of mice were depilated, and they were topically treated with fRGM or PH at 400, 200 and 100 mg/kg or the combination of both middle doses (combi) once a day for two weeks. The hair-covering regions were significantly increased with higher doses of fRGM and PH and in combi groups, compared with the control treated with distilled water. Hair length, thickness and weight also increased in the treatment groups. In particular, the fRGM and PH increased the anagen-phased hair follicles, the follicular diameters and the dermal thickness. Immunostains for Ki-67 showed the anagen-phased cell division in the treatment groups. The beneficial effects were greater in the high doses of fRGM and PH and the combi groups. These suggest hair-growth-promoting effects of fRGM, PH and the combination by enhancing the hair-growth cycle.

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Andresen, Trine, Dagmar Lunden, Asbjørn M. Drewes y Lars Arendt-Nielsen. "Pain sensitivity and experimentally induced sensitisation in red haired females". Scandinavian Journal of Pain 2, n.º 1 (1 de enero de 2011): 3–6. http://dx.doi.org/10.1016/j.sjpain.2010.08.005.

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AbstractIntroduction and aimPain sensitivity has been linked to the melanocortin-1 receptor (MC1R) gene. A mutation in MC1R can result in pale skin and red hair in humans and may modulate pain responses in general. Human studies have shown that women with non-functional MC1R’s were sensitive to experimental induced cold and heat pain. A study demonstrated that females with red hair required higher dose of anesthesia than females with dark hair to experience analgesia to electrical stimulation. Moreover, women expressing non-functional MC1Rs display greater analgesia from opioid analgesia. If redheads in general respond differently to pain and analgesics, this is of clinical importance. The aim of this study was therefore to investigate pain sensitivity and experimentally induced sensitisation in red haired females.MethodTwenty healthy females with pale skin and red hair (mean age 32 years, range 20–55) and 20 healthy females with blond/dark hair (mean age 31 years, range 20–51) participated in this study. The pain tolerance thresholds to heat and pressure stimulation were determined. Hyperalgesia was induced experimentally by applying 0.075% topical capsaicin cream for 30 min. The secondary pin-prick hyperalgesic area was estimated with a calibrated filament (von Frey hair, 15 g) and the area of allodynia by a soft brush. This was done 0, 30, 60, and 90 min after cream removal.ResultsNeither heat nor pressure pain tolerance thresholds were changed in the two groups. The secondary pin-prick hyperalgesic areas were significantly smaller for red haired females than blond/dark haired females (P = 0.014). There were no significant differences in the allodynic areas.DiscussionAs the secondary hyperalgesic response evoked by topical capsaicin is a central phenomenon, the observed smaller pin-prick hyperalgesic area in the red haired females could indicate a central role of MCRs in development or maintenance of hyperalgesia. Central involvement of MC1Rs or dysfunction of peripheral MC1Rs activating central MC4Rs has been suggested to influence pain sensitivity. The difference observed between red haired and non-red haired females may have implications for pain management regimens as compounds interacting with sensitisation such as NMDA-antagonists or alpha-2-delta-ligands may exert different types of action in people with MC1R mutation.ConclusionThe present study showed that red haired females were less sensitive to topical capsaicin induced pin-prick hyperalgesia compared with blond/dark haired females.ImplicationsThe smaller hyperalgesic area in redheads could be a manifestation of central anti-hyperalgesic involvement of MCRs and could have an influence on the treatment of pain as well as in studies investigating anti-hyperalgesic drugs.

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Rogerson, Ian. "Portrait of a young man with red hair". Library Review 44, n.º 8 (diciembre de 1995): 5–7. http://dx.doi.org/10.1108/00242539510102538.

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Wyshak, Grace y Rose E. Frisch. "Red hair color, melanoma, and endometriosis: suggestive associations". International Journal of Dermatology 39, n.º 10 (octubre de 2000): 795–800. http://dx.doi.org/10.1046/j.1365-4362.2000.00051-2.x.

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Morgello, Susan, Hart de C. Peterson, Leonard J. Kahn y Hilda Laufer. "Menkes Kinky Hair Disease with ‘Ragged Red’ Fibers". Developmental Medicine & Child Neurology 30, n.º 6 (12 de noviembre de 2008): 812–16. http://dx.doi.org/10.1111/j.1469-8749.1988.tb14644.x.

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Beaumont, Kimberley A., Sri N. Shekar, Anthony L. Cook, David L. Duffy y Richard A. Sturm. "Red hair is the null phenotype of MC1R". Human Mutation 29, n.º 8 (agosto de 2008): E88—E94. http://dx.doi.org/10.1002/humu.20788.

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Lee, Su-Min y Sun-Hyoung Kim. "A Study on Color hanji hair Art Using Waste Hair". Journal of the Korean Society of Cosmetology 29, n.º 6 (31 de diciembre de 2023): 1589–600. http://dx.doi.org/10.52660/jksc.2023.29.6.1589.

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This study re-examined the new material diversity of hair art as a discipline by looking at hair art, which was limited to practical and pictorial, from aesthetic and environmental aspects. By reinterpreting the functions of lung hair and Korean paper to create hair art works, it aims to enable the possibility of new household product design and eco-friendly and original material-based artistic creative activities. To conduct this study, the results of the study of producing a total of four paper flower frames by producing colored paper are as follows. Work 1 was created using a red and pink paper with roses as a motif, arranging petals, making small leaves with green colored paper, and then using a LED bulb with an object. Work 2 expresses carnations by overlapping pink colored paper with different chroma as a motif of carnations, making small flowers with white, yellow, and light green colored paper, and then using Led bulbs with objects. Work 3 was made using pink purple and orange colored paper as a motif of hydrangea, made leaves with green paper, and then made using Led bulbs with objects. Work 4 was made using white, pink, and red colored paper as a motif of cosmos, made leaves with green paper, and then made using Led bulbs with objects. This study is the starting point for the development of special paper made using Korean paper and lung hair, and it is believed that starting with this study, hair art design based on new creative materials will be developed. Pursuit research is expected to enrich the design of special papers applied with lung hair with the potential to apply nature-friendly and sustainable material alternatives.

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Wyrostek, Anna, Katarzyna Roman, Katarzyna Czyż, Marzena Janczak y Bożena Patkowska-Sokoła. "Analysis of the hair coat of domestic cats with special focus on histological structure". Roczniki Naukowe Polskiego Towarzystwa Zootechnicznego 13, n.º 1 (31 de marzo de 2017): 47–58. http://dx.doi.org/10.5604/01.3001.0013.5309.

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The aim of the study was to characterize the hair coat of domestic cats. The research material consisted of hairs of different fractions collected in winter from female cats with a uniform hair coat colour: white,cream, red, brown and black. The hairs were divided into individual fractions, i.e. underhair, bristle hair and guard hair, and the following characteristics were evaluated: thickness, length, long and short axis length, stress at break and elongation. SEM (scanning electron microscope) images of all types of hair were taken and used to characterize each hair type and to calculate the number of scales per mm of hair length. The content of ions of various chemical elements was determined as well. Underhairs, which accounted for the largest percentage in the coat, were the thinnest and shortest, and had the most regular and distinct scale pattern. Guard hairs were the least numerous, but were the longest and thickest of all hairs examined. Both guard and bristle hairs had irregular scales with jagged edges. The cross-sections of these hairs revealed the presence of all the layers, i.e. the cuticle, cortex and medulla. In the underhair fraction the medulla was observed only in red cats. In all hairs the share of carbon, oxygen and sulphur ions was largest; these are the main omponents of hair protein, i.e. keratin.

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Palma, Luiz Felipe, Luana Campos, Cristina Maria Arvate Álvares, Rafael Verardi Serrano y Luís Otávio Carvalho de Moraes. "Photobiomodulation With a Continuous Wave Red Laser (660 nm) as Monotherapy for Adult Alopecia Areata: A Case Presentation". Journal of Lasers in Medical Sciences 14 (15 de julio de 2023): e21. http://dx.doi.org/10.34172/jlms.2023.21.

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Introduction: Alopecia areata (AA) is an autoimmune, inflammatory, non-scarring hair loss in which T-cells target hair follicles. Given that the available therapeutic options generally do not induce and sustain remission of AA effectively and many adverse effects may occur, monochromatic light sources have been recently gaining attention from clinicians. Therefore, the present paper aimed to report the first case in which photobiomodulation therapy (PBMT) with a continuous wave red laser (660 nm) was used as monotherapy for AA. Case Presentation: An isolated round area of complete hair loss was subjected to daily PBMT sessions, resulting in significant regrowth (hair of normal coloration and thickness) within 7 days. On the 21st day, the patient’s aesthetic concern was completely resolved. Conclusion: PBMT with a continuous wave red laser seems to be a promising therapeutic option for the treatment of AA; however, additional studies are necessary to obtain more robust evidence.

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Ananda, Shilvira, Amalia Putri Lubis y Rahadian Zainul. "Identification of Acid Red 73 (CI 27290) in Cosmetic Hair Dye Preparations by High-Performance Liquid Chromatography – Photo Diode Array". IOP Conference Series: Earth and Environmental Science 1228, n.º 1 (1 de agosto de 2023): 012016. http://dx.doi.org/10.1088/1755-1315/1228/1/012016.

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Abstract Acid Red 73 (CI 27290) is a prohibited component in cosmetics, particularly in hair color formulations. The purpose of this investigation is to discover the coloring additive Acid Red 73 in cosmetic hair dye formulations. Acid Red 73 (CI 27290) is a sulfonated azo dye that is manufactured to be more hazardous than other colors and is damaging to the body. Based on variations in polarity and solubility, Acid Red 73 (CI 27290) is separated from the sample matrix and identified using High Performance Liquid Chromatography-Photo Diode Array (HPLC-PDA). The findings obtained from the tested samples satisfied the criteria since they did not include Acid Red 73 (CI 27290), as indicated by the difference in retention time and wavelength between the sample, the standard solution, and the spiked sample solution on the chromatogram.

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Bergner, T., G. Donhauser y T. Ruzicka. "Red lunulae in severe alopecia areata." Acta Dermato-Venereologica 72, n.º 3 (1 de enero de 1992): 203–5. http://dx.doi.org/10.2340/0001555572203205.

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The development of red nail lunulae has been extremely rarely described in alopecia areata. We observed 2 patients, a 30-year-old woman and a 61-year-old man, both suffering from severe alopecia areata, and having red lunulae. The colour changes, which developed a few weeks after the acute onset of hair loss, disappeared slowly, leaving horizontal fissures (Beau's lines).

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Woods, J. L., D. P. Harland, J. A. Vernon, G. L. Krsinic y R. J. Walls. "Morphology and ultrastructure of antler velvet hair and body hair from red deer (Cervus elaphus)". Journal of Morphology 272, n.º 1 (8 de noviembre de 2010): 34–49. http://dx.doi.org/10.1002/jmor.10893.

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A., Abraham. "BIOMAGNETISM AS FACTOR IN RED BLOOD CELLS DEFORMATION". International Journal of Research -GRANTHAALAYAH 6, n.º 12 (31 de diciembre de 2018): 46–57. http://dx.doi.org/10.29121/granthaalayah.v6.i12.2018.1245.

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The purpose of this manuscript is to report in vitro experiments showing the role of pulsed biomagnetic fields tissues cross-talk between Red Blood Cells (RBCs) and human hairs. Both tissues have been reported to express magnetic properties, ie: RBCs diamagnetic and paramagnetic forces and the hair follicle pulsed diamagnetic forces. This biomagnetic cross-talk is reported as a novel factor in RBCs deformation. In the in vitro experimental model herein used, other forces such as keratin biomagnetism, hydrophilic and hydrophobic properties of the hair shaft may also play a role in the deformation. Presently teardrop red blood cells found in blood smears; and oriented in the same direction are attributed to mechanical artifacts introduced during slide preparations. The data presented in this manuscript supports the new principle of biomagnetic cross talk forces as factor in replicating RBCs deformities.as described in Optical Tweezers Trapping.

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38

Embi Bs, Abraham A. "BIOMAGNETISM AS FACTOR IN RED BLOOD CELLS DEFORMATION". International Journal of Research -GRANTHAALAYAH 6, n.º 12 (31 de diciembre de 2018): 46–57. http://dx.doi.org/10.29121/granthaalayah.v7.i1.2019.1076.

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The purpose of this manuscript is to report in vitro experiments showing the role of pulsed biomagnetic fields tissues cross-talk between Red Blood Cells (RBCs) and human hairs. Both tissues have been reported to express magnetic properties, ie: RBCs diamagnetic and paramagnetic forces and the hair follicle pulsed diamagnetic forces. This biomagnetic cross-talk is reported as a novel factor in RBCs deformation. In the in vitro experimental model herein used, other forces such as keratin biomagnetism, hydrophilic and hydrophobic properties of the hair shaft may also play a role in the deformation. Presently teardrop red blood cells found in blood smears; and oriented in the same direction are attributed to mechanical artifacts introduced during slide preparations. The data presented in this manuscript supports the new principle of biomagnetic cross talk forces as factor in replicating RBCs deformities.as described in Optical Tweezers Trapping.

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39

Muratova, Rimma T. "THE ORIGIN AND LEXICAL AND SEMANTIC CHARACTERISTICS OF THE ERAN ‘RED’ COLOR DESIGNATION IN THE BASHKIR LANGUAGE". Proceedings of the UFRC RAS. Series: History. Philology. Culture 1, n.º 2 (junio de 2024): 179–85. http://dx.doi.org/10.31833/sifk/2024.1.2.020.

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The article examines the origin, historical development and semantics of the word yeran ‘red’ in the Bashkir language. The relevance of the study lies in the fact that for the first time in Bashkir linguistics, this color designation is subjected to a comprehensive etymological, comparative historical, and lexico-semantic analysis. During the scientific analysis, it was revealed that the yeran ‘red’ lexeme is characterized by an ancient origin: scientists have restored its proto-Turkic (*jẹgre-n ‘red (about the color of a horse); deer, gazelle, antelope’), proto-Altai (*negre ‘type of deer’) forms. It is established that the first fixation of the word falls on the ancient Turkic period. The word is found in almost all Turkic languages in the meaning of ‘red color of a horse or other animals’, in Kipchak – in the designation of red hair, mustache, beard, in some Turkic languages – as the names of animals ‘roe deer, gazelle, antelope’ (‘roe deer’, ‘gazelle’, ‘antelope’). It is assumed that jagren ‘chestnut’ in the Turkic languages originally meant the color of the horse’s skin, over time the semantics of the word expanded – it began to be applied to the color of human hair, then gradually to all objects of reddish color, reddish hue. In Bashkir, eran, like the reflexes *jẹgre-n in many Turkic languages, functions in the meanings of ‘red (about the suit, about the hair, mustache, beard)’. Related lexemes are found in other Altaic languages: in Korean and Tungusic-Manchurian languages, they are used in the meanings of ‘roe deer’, ‘vazhenka (female reindeer)’. In the Mongolian and Tungusic-Manchu languages, the meaning of the word ‘red horse color’ is a Turkic loan. The Turkic word entered the Russian language as well: Igreny ‘light red (about horse color)’.

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40

Cohen, Bruce. "Poems: Red hair, Thinking I was the first awake". Rhetoric Review 11, n.º 1 (septiembre de 1992): 204–5. http://dx.doi.org/10.1080/07350199209388998.

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Culotta, Elizabeth. "Ancient DNA Reveals Neandertals With Red Hair, Fair Complexions". Science 318, n.º 5850 (26 de octubre de 2007): 546–47. http://dx.doi.org/10.1126/science.318.5850.546.

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Rees, J. L., K. Waterston, L. Naysmith, C. Oh, A. Hennessy, Y. Bisset, B. Diffey, S. Ito y K. Wakamatsu. "Red hair, fair skin and melanoma - melanocortin 1 receptor". Experimental Dermatology 13, n.º 9 (28 de junio de 2008): 568. http://dx.doi.org/10.1111/j.0906-6705.2004.0212g.x.

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43

Liem, Edwin B., Chun-Ming Lin, Mohammed I. Suleman, Anthony G. Doufas y Daniel I. Sessler. "Increased Anesthetic Requirement in Subjects with Naturally Red Hair". Anesthesiology 96, Sup 2 (septiembre de 2002): A77. http://dx.doi.org/10.1097/00000542-200209002-00077.

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44

Chua, Marlene V., Kentaro Tsueda y Anthony G. Doufas. "Midazolam causes less sedation in volunteers with red hair". Canadian Journal of Anesthesia/Journal canadien d'anesthésie 51, n.º 1 (enero de 2004): 25–30. http://dx.doi.org/10.1007/bf03018542.

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Li, Jing-jie, Zheng Li, Li-juan Gu, Yun-bo Wang, Mi-ra Lee y Chang-keun Sung. "Aqueous Extract of Red Deer Antler Promotes Hair Growth by Regulating the Hair Cycle and Cell Proliferation in Hair Follicles". Scientific World Journal 2014 (2014): 1–7. http://dx.doi.org/10.1155/2014/878162.

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Deer antlers are the only mammalian appendage capable of regeneration. We aimed to investigate the effect of red deer antler extract in regulating hair growth, using a mouse model. The backs of male mice were shaved at eight weeks of age. Crude aqueous extracts of deer antler were prepared at either 4°C or 100°C and injected subcutaneously to two separate groups of mice (n=9) at 1 mL/day for 10 consecutive days, with water as a vehicle control group. The mice skin quantitative hair growth parameters were measured and 5-bromo-2-deoxyuridine was used to identify label-retaining cells. We found that, in both the 4°C and the 100°C deer antler aqueous extract-injection groups, the anagen phase was extended, while the number of BrdU-incorporated cells was dramatically increased. These results indicate that deer antler aqueous extract promotes hair growth by extending the anagen phase and regulating cell proliferation in the hair follicle region.

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46

Bowen, Linda E. "Hairless Red Squirrel (Tamiasciurus hudsonicus) Case Study". Wildlife Rehabilitation Bulletin 25, n.º 2 (31 de diciembre de 2007): 16–19. http://dx.doi.org/10.53607/wrb.v25.165.

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A juvenile red squirrel (Tamiasciurus hudsonicus) was found huddled on an expanse of lawn at a private school in northwestern Connecticut. The squirrel lacked hair over the majority of its body. It was captured and brought to a wildlife rehabilitator. Presented here is a day–by–day account of the treatment and recovery of this animal.

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Robinson, Kathleen C., Lajos V. Kemény, Gillian L. Fell, Andrea L. Hermann, Jennifer Allouche, Weihua Ding, Ajay Yekkirala et al. "Reduced MC4R signaling alters nociceptive thresholds associated with red hair". Science Advances 7, n.º 14 (abril de 2021): eabd1310. http://dx.doi.org/10.1126/sciadv.abd1310.

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Humans and mice with natural red hair have elevated basal pain thresholds and an increased sensitivity to opioid analgesics. We investigated the mechanisms responsible for higher nociceptive thresholds in red-haired mice resulting from a loss of melanocortin 1 receptor (MC1R) function and found that the increased thresholds are melanocyte dependent but melanin independent. MC1R loss of function decreases melanocytic proopiomelanocortin transcription and systemic melanocyte-stimulating hormone (MSH) levels in the plasma of red-haired (Mc1re/e) mice. Decreased peripheral α-MSH derepresses the central opioid tone mediated by the opioid receptor OPRM1, resulting in increased nociceptive thresholds. We identified MC4R as the MSH-responsive receptor that opposes OPRM1 signaling and the periaqueductal gray area in the brainstem as a central area of opioid/melanocortin antagonism. This work highlights the physiologic role of melanocytic MC1R and circulating melanocortins in the regulation of nociception and provides a mechanistic framework for altered opioid signaling and pain sensitivity in red-haired individuals.

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48

V. Broshtilova. "From hair colour to diagnosis". GSC Advanced Research and Reviews 7, n.º 2 (30 de mayo de 2021): 068–72. http://dx.doi.org/10.30574/gscarr.2021.7.2.0107.

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Hair pigmentation contributes extremely to the visual appearance and human-to-human communication, thus exerting enormous sexual and social impact. Follicular melanogenesis depends on genetic, biochemical and physical phenomena as well as proper epithelial-melanocytic interaction. Shades of grey, yellow, brown, red, and black produced by melanin define the exact determination of hair colour. Versatile clinical conditions depend on genetic melanogenetic changes, pigment transfer to bulb keratinocytes defects and impaired signal transduction pathways. Herein, an update of recent scientific advances on follicular melanogenesis and its pathological-driven compartmental changes reflecting specific disease phenotypes, are presented.

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Shearer, L., R. Bray y C. Toner. "An experimental study investigating the ability of volunteers to identify squirrel species from tail–hair samples". Animal Biodiversity and Conservation 37, n.º 2 (diciembre de 2014): 145–47. http://dx.doi.org/10.32800/abc.2014.37.0145.

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Hair–tubes, collecting nape hairs, are widely used for establishing the presence of red (Sciurus vulgaris) and grey (Sciurus carolinensis) squirrels. However it is time–consuming and prone to identification errors. An alternative is to collect tail hairs from sticky pads on baited poles. However, there is no evidence concerning identification accuracy of tail hairs. This study reports an experiment in which subjects underwent a short training session before identifying hair samples from four species. There was a 96.5% correct identification rate for grey squirrel hairs, and 77.5% for red squirrels, which suggests that tail hairs collection may provide a quick, easy and accurate method of identification for both species.

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50

Lu, Xiaochan, Tingting Deng, Hongsong Dong, Jinghong Han, Yanping Yu, Deng Xiang, Guohui Nie y Bing Hu. "Novel Application of Eupatilin for Effectively Attenuating Cisplatin-Induced Auditory Hair Cell Death via Mitochondrial Apoptosis Pathway". Oxidative Medicine and Cellular Longevity 2022 (17 de enero de 2022): 1–11. http://dx.doi.org/10.1155/2022/1090034.

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Eupatilin (5,7-dihydroxy-3 ′ ,4 ′ ,6-trimethoxyflavone) is a pharmacologically active flavone that has been isolated from a variety of medicinal plants and possesses a number of pharmacological properties. This study evaluates the antioxidant and antiapoptotic effects of eupatilin on cisplatin-induced ototoxicity using in vitro and in vivo models including HEI-OC1 cells, cochlear hair cells, and zebrafish. Employing a CCK8 assay and Annexin V-FITC/PI double staining, we found that eupatilin significantly alleviated cisplatin-induced apoptosis and increased hair cell viability. The level of reactive oxygen species (ROS) was evaluated by CellROX green and MitoSOX Red staining. The results showed that eupatilin possesses antioxidant activity. MitoTracker Red staining indicated that eupatilin remarkably decreased mitochondrial damage. Furthermore, we demonstrated that eupatilin protects hair cells from cisplatin-induced damage. Mechanistic studies in cisplatin-induced HEI-OC1 cells revealed that eupatilin promoted Bcl-2 expression, downregulated Bax expression, reversed the increase in caspase-3 and PARP activity, and reduced the expression of phosphorylated p38 and JNK. Our data suggest a novel role for eupatilin as a protective agent against ototoxic drug-induced hair cell apoptosis by inhibiting ROS generation and modulating mitochondrial-related apoptosis.

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