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Radiation therapy and acne

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https://www.readbyqxmd.com/read/30511901/personalized-nutrition-in-disrupting-cancer-proceedings-from-the-2017-american-college-of-nutrition-annual-meeting
#1
Taylor C Wallace, Scott Bultman, Chris D'Adamo, Carrie R Daniel, Justine Debelius, Emily Ho, Heather Eliassen, Dawn Lemanne, Purna Mukherjee, Thomas N Seyfried, Qiang Tian, Linda T Vahdat
Cancer is a major public health problem and is the second leading cause of death in the United States and worldwide; nearly one in six deaths are attributable to cancer. Approximately 20% of all cancers diagnosed in the United States are attributable to unhealthy diet, excessive alcohol consumption, physical inactivity, and body fatness. Individual cancers are distinct disease states that are multifactorial in their causation, making them exceedingly cumbersome to study from a nutrition standpoint. Genetic influences are a major piece of the puzzle and personalized nutrition is likely to be most effective in disrupting cancer during all stages...
December 4, 2018: Journal of the American College of Nutrition
https://www.readbyqxmd.com/read/30175843/the-role-of-nutrition-in-inflammatory-pilosebaceous-disorders-implication-of-the-skin-gut-axis
#2
REVIEW
Melody Maarouf, Jody F Platto, Vivian Y Shi
Nutrition plays a critical role in the manifestation and management of inflammatory pilosebaceous disorders. There is rich potential for insight into the impact of dietary effects on the pathophysiology of inflammatory pilosebaceous disorders including acne vulgaris, hidradenitis suppurativa, rosacea, and the closely related seborrhoeic dermatitis. Acne vulgaris and hidradenitis suppurativa are thought to have similar diet-modulating pathogenic pathways. Western diet influences Acne vulgaris and hidradenitis suppurativa by increasing insulin and modulating FOX01/mTOR, resulting in over-expression of cytokeratins, hyperproliferation of keratinocytes, and hypercornification of the follicular wall...
September 3, 2018: Australasian Journal of Dermatology
https://www.readbyqxmd.com/read/29942726/armour%C3%A2-thyroid-rage-a-dangerous-mixture
#3
Joshua Coutinho, Justin B Field, Anupam A Sule
Armour® Thyroid (Forest Pharmaceuticals, LLC; affiliate of Allergan, Dublin, Ireland) is a natural porcine derivative thyroid supplement that is frequently used without physician monitoring by health enthusiasts as a weight loss supplement. Although there are no publications associating Armour Thyroid and major coronary events, significant drug interactions may exist. A 32-year-old male with a history of hypothyroidism, cystic acne, and solitary congenital kidney presented to the emergency room after experiencing crushing substernal chest pain radiating to his left shoulder, accompanied by diaphoresis and shortness of breath...
April 24, 2018: Curēus
https://www.readbyqxmd.com/read/28118375/chlorin-e6-mediated-photodynamic-therapy-suppresses-p-acnes-induced-inflammatory-response-via-nf%C3%AE%C2%BAb-and-mapks-signaling-pathway
#4
Yoon-Young Wang, A-Reum Ryu, Solee Jin, Yu-Mi Jeon, Mi-Young Lee
Photodynamic therapy (PDT), consisting of photosensitizer, light, and oxygen has been used for the treatment of various diseases including cancers, microbial infections and skin disorders. In this study, we examined the anti-inflammatory effect of chlorin e6-mediated PDT in P. acnes-infected HaCaT cells using photosensitizer chlorin e6 (Ce6) and halogen light. The live and heat-killed P. acnes triggered an upregulation of inflammatory molecules such as iNOS, NO, and inflammatory cytokine in HaCaT cells and mouse model...
2017: PloS One
https://www.readbyqxmd.com/read/27450976/spinal-schwannoma-and-meningioma-mimicking-a-single-mass-at-the-craniocervical-junction-subsequent-to-remote-radiation-therapy-for-acne-vulgaris
#5
Brandon D Liebelt, Ali S Haider, William J Steele, Chandan Krishna, J Bob Blacklock
BACKGROUND: Schwannomas and meningiomas are relatively common tumors of the nervous system. They have been reported in the literature as existing concurrently as a single mass, but very rarely have they been shown to present at the craniocervical junction. CASE DESCRIPTION: We present a rare and interesting case of a patient previously treated with radiation therapy for acne vulgaris and who presented to us with a concurrent schwannoma and meningioma of the craniocervical junction mimicking a single mass...
September 2016: World Neurosurgery
https://www.readbyqxmd.com/read/26622463/clinical-efficacy-of-5-aminolevulinic-acid-photodynamic-therapy-in-the-treatment-of-moderate-to-severe-facial-acne-vulgaris
#6
Xiangqi Chen, Hongtao Song, Shengping Chen, Jing Zhang, Gaoxiang Niu, Xiangnong Liu
Acne vulgaris is considered as a therapeutic challenge in terms of managing ongoing symptoms and preventing scar formation. Although there are many available treatments for alleviating acne, therapies for resistant or moderate-to-severe forms have been limited to systemic agents that are accompanied by potentially severe side-effects. While, aminolevulinic acid (ALA) photodynamic therapy (PDT) has increasingly been used as a simple and safe therapeutic option of acne vulgaris, the clinical efficacy requires confirmation in further studies...
September 2015: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/26597178/acute-toxicity-profile-of-craniospinal-irradiation-with-intensity-modulated-radiation-therapy-in-children-with-medulloblastoma-a-prospective-analysis
#7
Maurice C Cox, Johannes M Kusters, Corrie E Gidding, Jolanda H Schieving, Erik J van Lindert, Johannes H Kaanders, Geert O Janssens
BACKGROUND: To report on the acute toxicity in children with medulloblastoma undergoing intensity-modulated radiation therapy (IMRT) with daily intrafractionally modulated junctions. METHODS: Newly diagnosed patients, aged 3-21, with standard-risk (SR) or high-risk (HR) medulloblastoma were eligible. A dose of 23.4 or 36.0 Gy in daily fractions of 1.8 Gy was prescribed to the craniospinal axis, followed by a boost to the primary tumor bed (54 or 55.8 Gy) and metastases (39...
November 24, 2015: Radiation Oncology
https://www.readbyqxmd.com/read/26355315/-visible-light-and-human-skin-review
#8
REVIEW
A Tsibadze, E Chikvaidze, A Katsitadze, I Kvachadze, N Tskhvediani, A Chikviladze
Biological effect of a visible light depends on extend of its property to penetrate into the tissues: the greater is a wavelength the more is an effect of a radiation. An impact of a visible light on the skin is evident by wave and quantum effects. Quanta of a visible radiation carry more energy than infrared radiation, although an influence of such radiation on the skin is produced by the light spectrum on the boarder of the ultraviolet and the infrared rays and is manifested by thermal and chemical effects...
September 2015: Georgian Medical News
https://www.readbyqxmd.com/read/25834355/inflammatory-cytokine-expression-and-sebum-production-after-exposure-of-cultured-human-sebocytes-to-ultraviolet-a-radiation-and-light-at-wavelengths-of-650-nm-and-830-nm
#9
Weon Ju Lee, Soo Yuhl Chae, Hyo Sub Ryu, Yong Hyun Jang, Seok-Jong Lee, Do Won Kim
BACKGROUND: The effectiveness of ultraviolet (UV) radiation, visible light, or infrared light therapy for the treatment of acne is the subject of ongoing scientific debate. OBJECTIVE: This study was conducted to investigate changes in sebum production and the expression of inflammatory cytokines, matrix metalloproteinases (MMPs), and antimicrobial peptides (AMPs), following exposure of cultured human sebocytes to UVA radiation and light at wavelengths of 650 nm and 830 nm...
April 2015: Annals of Dermatology
https://www.readbyqxmd.com/read/25705949/a-review-of-hand-held-home-use-cosmetic-laser-and-light-devices
#10
REVIEW
Meghan T Hession, Alina Markova, Emmy M Graber
BACKGROUND: As the market for home-use light-based and laser-based devices grows, consumers will increasingly seek advice from dermatologists regarding their safety and efficacy profiles. OBJECTIVE: To review the literature on home-use hand-held devices for various dermatologic conditions. To educate dermatologists about commercially available products their patients may be using. MATERIALS AND METHODS: A comprehensive literature search was conducted to determine the safety and efficacy of home-use laser and light devices for the treatment of the following: hair removal, acne, photoaging, scars, psoriasis, and hair regrowth...
March 2015: Dermatologic Surgery: Official Publication for American Society for Dermatologic Surgery [et Al.]
https://www.readbyqxmd.com/read/25673932/postoperative-electron-beam-radiotherapy-for-keloids-treatment-outcome-and-factors-associated-with-occurrence-and-recurrence
#11
Sun Young Lee, Jin Park
BACKGROUND: In the treatment of keloids, the recurrence after surgical excision is relatively high. Various types of adjuvant therapy such as radiotherapy and corticosteroid injection have been used to reduce the recurrence. OBJECTIVE: The aim of this study was to determine the appropriate time for initiating postoperative radiotherapy and to analyze factors associated with the occurrence and recurrence of keloids. METHODS: Of these 37 lesions, 22 were located in the ear lobe, 6 in the helix of the auricle, 4 on the shoulder, 3 on the chest wall, and 2 on the abdomen...
February 2015: Annals of Dermatology
https://www.readbyqxmd.com/read/25623849/antimicrobial-photodynamic-therapy-using-chlorin-e6-with-halogen-light-for-acne-bacteria-induced-inflammation
#12
Yu-Mi Jeon, Hwan-Suk Lee, Dongjun Jeong, Hae-Keun Oh, Kyu-Hwan Ra, Mi-Young Lee
AIMS: The present study was designed to evaluate the therapeutic potential of antimicrobial photodynamic therapy (PDT) using chlorin e6 with halogen light against acne bacteria-induced inflammation. MAIN METHODS: Highly purified chlorin e6 (Ce6), as a second generation photosensitizer, was synthesized from Spirulina chlorophyll. To evaluate the antimicrobial property of Ce6-mediated PDT with halogen light, the broth microdilution method and two-color fluorescence assay were used...
March 1, 2015: Life Sciences
https://www.readbyqxmd.com/read/25449153/a-plant-derived-anti-nociceptive-spray-for-reduction-of-pain-with-photodynamic-therapy
#13
RANDOMIZED CONTROLLED TRIAL
William Anseline, Douglas Grose, Peter Smith, Stephen Murray, Alfonse Messieh, Tania Billing
BACKGROUND: Photodynamic therapy is an effective tool in the management of some forms of skin cancer and generalized solar dermopathy and can be beneficial in the management of acne vulgaris. When used as an area treatment one of the main limiters is the quite severe burning pain that patients feel during the illumination phase of the treatment. OBJECTIVE: To examine the effectiveness of a plant derived anti-nociceptive spray applied prior to and during large area photodynamic therapy...
December 2014: Photodiagnosis and Photodynamic Therapy
https://www.readbyqxmd.com/read/25386250/photocarcinogenicity-of-selected-topically-applied-dermatological-drugs-calcineurin-inhibitors-corticosteroids-and-vitamin-d-analogs
#14
REVIEW
Catharina M Lerche, Hans Christian Wulf
Topical therapies constitute the mainstay of dermatological treatments for skin disorders, such as atopic dermatitis, contact dermatitis, psoriasis, or acne. Since some of these diseases are often chronic, treatment duration may last for years and may even last the patient's entire lifetime. Obviously, such long-term therapy may raise safety concerns, which also include the potential photocarcinogenic effect. Most patients are exposed to ultraviolet radiation (UVR) during leisure, work, vacations, or in tanning beds...
August 31, 2010: Dermatology Reports
https://www.readbyqxmd.com/read/24612578/localized-acne-induced-by-radiation-therapy
#15
T Hubiche, V Sibaud
The appearance of localized acne or comedo reaction during or shortly after radiotherapy is an unusual adverse event, but one that is probably underestimated. It can manifest as an inflammatory (papules, pustules, nodules), comedonal (open and closed comedones, Favre-Racouchot-like syndrome), or mixed presentation. We report two new cases of radiation-induced acne with different clinical aspects and discuss the main known features of this adverse event.
February 2014: Dermatology Online Journal
https://www.readbyqxmd.com/read/24590242/laser-therapy-and-photosensitive-medication-a-review-of-the-evidence
#16
REVIEW
Ryan L Kerstein, Tom Lister, Richard Cole
In the 2009 guidelines from the BMLA, the use of non-essential aesthetic lasers was contraindicated in patients receiving medication that causes whole-body photosensitisation as well as those causing local light sensitisation. Following this and anecdotal advice, many laser centres refuse to treat patients who are on known photosensitive medication. Therefore, specific patient cohorts that would benefit from laser therapy are being denied because of medications, such as long-term antibiotics for chronic facial acne...
July 2014: Lasers in Medical Science
https://www.readbyqxmd.com/read/23961521/resolution-of-radiation-induced-acneform-eruption-following-treatment-with-tretinoin-and-minocycline-a-case-report
#17
REVIEW
Karina Parr, Rod Mahmoudizad, Ronald Grimwood
Postradiation comedogenesis is an uncommon side effect of radiation therapy, with few cases reported in the medical literature. The proposed etiology of this reaction is alteration of pilosebaceous unit secretions and retention of proliferating ductal keratinocytes due to stricture and scarring. We report a case of a 48-year-old woman who had been treated for infiltrating ductal carcinoma of the right breast with lumpectomy and radiation therapy. She subsequently developed open and closed comedones as well as tender inflammatory papules and papulopustules in the irradiated area...
July 2013: Cutis; Cutaneous Medicine for the Practitioner
https://www.readbyqxmd.com/read/23748556/minimal-erythema-dose-med-testing
#18
Carolyn J Heckman, Rachel Chandler, Jacqueline D Kloss, Amy Benson, Deborah Rooney, Teja Munshi, Susan D Darlow, Clifford Perlis, Sharon L Manne, David W Oslin
Ultraviolet radiation (UV) therapy is sometimes used as a treatment for various common skin conditions, including psoriasis, acne, and eczema. The dosage of UV light is prescribed according to an individual's skin sensitivity. Thus, to establish the proper dosage of UV light to administer to a patient, the patient is sometimes screened to determine a minimal erythema dose (MED), which is the amount of UV radiation that will produce minimal erythema (sunburn or redness caused by engorgement of capillaries) of an individual's skin within a few hours following exposure...
2013: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/23622723/effects-of-5-aminolevulinic-acid-mediated-photodynamic-therapy-on-antibiotic-resistant-staphylococcal-biofilm-an-in-vitro-study
#19
Xin Li, Hao Guo, Qingzhong Tian, Gang Zheng, Yangchao Hu, Yu Fu, Honglue Tan
BACKGROUND: Treatments of infections are not always successful because of multi-antibiotic-resistant organisms. It is therefore particularly urgent to provide more effective anti-infective strategy against these organisms. 5-Aminolevulinic acid (ALA), with the chemical structure C5H9NO3, is the only photodynamic therapy agent that is a biochemical precursor of a photosensitizer (protoporphyrin IX [PpIX]), which is naturally produced by the body. 5-Aminolevulinic acid-mediated photodynamic therapy (ALA-PDT) has been shown to have a strong effect on the treatment of localized cancerous and precancerous lesions, and further study demonstrated its efficacy for gram-positive and gram-negative bacteria...
October 2013: Journal of Surgical Research
https://www.readbyqxmd.com/read/23133525/the-response-of-human-skin-commensal-bacteria-as-a-reflection-of-uv-radiation-uv-b-decreases-porphyrin-production
#20
Yanhan Wang, Wenhong Zhu, Muya Shu, Yong Jiang, Richard L Gallo, Yu-Tsueng Liu, Chun-Ming Huang
Recent global radiation fears reflect the urgent need for a new modality that can simply determine if people are in a radiation risk of developing cancer and other illnesses. Ultraviolet (UV) radiation has been thought to be the major risk factor for most skin cancers. Although various biomarkers derived from the responses of human cells have been revealed, detection of these biomarkers is cumbersome, probably requires taking live human tissues, and varies significantly depending on human immune status. Here we hypothesize that the reaction of Propionibacterium acnes (P...
2012: PloS One
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