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https://www.readbyqxmd.com/read/28212277/clinical-and-molecular-evidence-of-abcc11-protein-expression-in-axillary-apocrine-glands-of-patients-with-axillary-osmidrosis
#1
Yu Toyoda, Tappei Takada, Tsuneaki Gomi, Hiroshi Nakagawa, Toshihisa Ishikawa, Hiroshi Suzuki
Accumulating evidence suggests that the risk of axillary osmidrosis is governed by a non-synonymous single nucleotide polymorphism (SNP) 538G>A in human ATP-binding cassette C11 (ABCC11) gene. However, little data are available for the expression of ABCC11 protein in human axillary apocrine glands that produce apocrine sweat-a source of odor from the armpits. To determine the effect of the non-synonymous SNP ABCC11 538G>A (G180R) on the ABCC11 in vivo, we generated transiently ABCC11-expressing transgenic mice with adenovirus vector, and examined the protein levels of each ABCC11 in the mice with immunoblotting using an anti-ABCC11 antibody we have generated in the present study...
February 15, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28209107/gastro-intestinal-manifestations-in-cystic-fibrosis-patients
#2
REVIEW
S Van Biervliet, C de Clercq, D Declercq, E Van Braeckel, S Van Daele, F De Baets, D De Looze
Cystic fibrosis (CF) is a life-limiting disorder caused by mutations in the cystic fibrosis transmembrane conductance regulator (CFTR). This defective chloride channel, present in different organ systems such as respiratory system, gastrointestinal tract, reproductive system and sweat glands, disturbs the ion and water transport over the membranes leading to the well known CF symptoms. CF has outgrown paediatric care, as half of CF patients are currently adults. The CF gastrointestinal tract has its own particularities...
September 2016: Acta Gastro-enterologica Belgica
https://www.readbyqxmd.com/read/28202441/effect-of-hypohydration-on-postsynaptic-cutaneous-vasodilation-and-sweating-in-healthy-men
#3
Matthew A Tucker, Ashley Six, Nicole E Moyen, Alf Z Satterfield, Matthew S Ganio
: Hypohydration decreases cutaneous vasodilation and sweating during heat stress, but it is unknown if these decrements are from postsynaptic (i.e. sweat gland/blood vessel) alterations. PURPOSE: To determine if hypohydration affects postsynaptic cutaneous vasodilation and sweating responses. METHODS: 12 healthy men participated in euhydrated (EU) and hypohydrated (HY) trials, with hypohydration induced via fluid restriction and passive heat-stress...
February 15, 2017: American Journal of Physiology. Regulatory, Integrative and Comparative Physiology
https://www.readbyqxmd.com/read/28190856/virilism-and-ectopic-expression-of-hsd17b5-in-mature-cystic-teratoma
#4
Yohei Kawaguchi, Hiroko Mizuno, Mai Horikawa, Mayuko Kano, Kengo Yamada, Fumiko Yamakawa, Takashi Maekawa, Yuto Yamazaki, Keely M McNamara, Hironobu Sasano, Masayuki Hayashi
Mature cystic teratoma (MCT) is rarely involved in the overproduction of steroid hormones in contrast to sex cord stromal tumors. A 31-year-old woman visited our hospital with hirsutism, hoarseness, and hair loss from the scalp. Serum testosterone and free-testosterone levels were 7.3 ng/ml and 2.3 pg/ml, respectively, which were markedly in excess of the age adjusted female standard levels. Basal blood levels of steroid hormones and serum levels of 17-hydroxyprogesterone at 1 h after intravenous injection of adrenocorticotropic hormone demonstrated that 21-hydroxylase deficiency was not the underlying cause of her virilization...
2017: Tohoku Journal of Experimental Medicine
https://www.readbyqxmd.com/read/28188167/hidradenitis-suppurativa-neutrophilic-dermatoses-and-diverticular-disease-in-a-young-african-american-patient
#5
Kavita Darji, Maulik M Dhandha, Mary Guo
Hidradenitis suppurativa (HS) is a chronic skin disorder of the terminal follicular epithelium of apocrine sweat glands, manifesting as painful and exudative papules, pustules, cysts or nodules. This inflammatory condition often presents with other systemic and cutaneous disorders. We present the case of an African-American man with HS who was also diagnosed with neutrophilic dermatoses and diverticular disease. Neutrophilic dermatosis was identified based on histopathology findings. Our patient underwent multiple surgeries for flaring of his skin condition...
February 10, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28170296/muse-cells-derived-from-dermal-tissues-can-differentiate-into-melanocytes
#6
Ting Tian, Ru-Zhi Zhang, Yu-Hua Yang, Qi Liu, Di Li, Xiao-Ru Pan
The objective of the authors has been to obtain multilineage-differentiating stress-enduring cells (Muse cells) from primary cultures of dermal fibroblasts, identify their pluripotency, and detect their ability to differentiate into melanocytes. The distribution of SSEA-3-positive cells in human scalp skin was assessed by immunohistochemistry, and the distribution of Oct4, Sox2, Nanog, and SSEA-3-positive cells was determined by immunofluorescence staining. The expression levels of Sox2, Oct4, hKlf4, and Nanog mRNAs and proteins in Muse cells were determined by reverse transcription polymerase chain reaction (RT-PCR) analyses and Western blots, respectively...
February 7, 2017: Cellular Reprogramming
https://www.readbyqxmd.com/read/28132035/sclerosing-microcystic-adnexal-carcinoma-of-the-scalp-case-report
#7
U Wollina, J Schönlebe
Microcystic adnexal carcinoma is a rare malignant sweat gland tumor. We present the case report of a 63 year old male patient who developed this malignancy on the scalp, which is an uncommon site. The tumor has been removed by delayed MOHS technique with no relapse. The differential diagnoses and treatment options are discussed.
December 2016: Georgian Medical News
https://www.readbyqxmd.com/read/28130590/expression-of-epithelial-sodium-channel-enac-and-cftr-in-the-human-epidermis-and-epidermal-appendages
#8
Israel Hanukoglu, Vijay R Boggula, Hananya Vaknine, Sachin Sharma, Thomas Kleyman, Aaron Hanukoglu
A major function of the skin is the regulation of body temperature by sweat secretions. Sweat glands secrete water and salt, especially NaCl. Excreted water evaporates, cooling the skin surface, and Na(+) ions are reabsorbed by the epithelial sodium channels (ENaC). Mutations in ENaC subunit genes lead to a severe multi-system (systemic) form of pseudohypoaldosteronism (PHA) type I, characterized by salt loss from aldosterone target organs, including sweat glands in the skin. In this study, we mapped the sites of localization of ENaC in the human skin by confocal microscopy using polyclonal antibodies generated against human αENaC...
January 27, 2017: Histochemistry and Cell Biology
https://www.readbyqxmd.com/read/28128284/sensory-and-autonomic-function-and-structure-in-footpads-of-a-diabetic-mouse-model
#9
Ying Liu, Blessan Sebastian, Ben Liu, Yiyue Zhang, John A Fissel, Baohan Pan, Michael Polydefkis, Mohamed H Farah
Sensory and autonomic neuropathy affects the majority of type II diabetic patients. Clinically, autonomic evaluation often focuses on sudomotor function yet this is rarely assessed in animal models. We undertook morphological and functional studies to assess large myelinated and small unmyelinated axons in the db/db type II diabetes mouse model. We observed that autonomic innervation of sweat glands in the footpads was significantly reduced in db/db mice compared to control db/+ mice and this deficit was greater compared to reductions in intraepidermal sensory innervation of adjacent epidermis...
January 27, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28128084/boils-at-frictional-locations-in-a-patient-with-hidradenitis-suppurativa
#10
Jurr Boer, Dalibor Mihajlovic
Dear Editor, Hidradenitis suppurativa (HS) is a chronic, recurrent, inflammatory skin disease. The primary clinical presentation are painful inflamed nodules or boils of inverse areas, i.e. the axillary and anogenito-crural regions, but it can also involve the infra- and inter-mammary regions (1,2). The etiology of HS is not clearly defined. Obesity, smoking, and genetic factors are considered important risk factors. In addition, it has also been suggested that friction may contribute to the development of HS, especially in the obese, but this is based on highly anecdotal reports (3-5)...
December 2016: Acta Dermatovenerologica Croatica: ADC
https://www.readbyqxmd.com/read/28121719/eyelid-eccrine-cyst-an-exceptional-lesion-among-dominant-apocrine-cysts
#11
Frederick A Jakobiec, Sana Qureshi, Fouad R Zakka, Yufei Tu, Nhayoung Grace Lee
A 71-year-old woman developed a small bluish lesion beneath the cilia of the left lower eyelid. Excision and microscopic examination disclosed a cyst with an intimately associated eccrine sweat gland. Immunohistochemistry demonstrated that the cyst's epithelium was strongly CK5/6, CK14, CK7 weakly positive, and gross cystic disease fluid protein-15 and smooth muscle actin negative. This is the first immunohistochemically proven eccrine cyst of the eyelid skin. Apocrine cysts develop only at the eyelid margin where the glands of Moll are located...
January 23, 2017: Ophthalmic Plastic and Reconstructive Surgery
https://www.readbyqxmd.com/read/28119142/surgery-combined-with-photodynamic-therapy-for-the-treatment-of-hidradenitis-suppurativa-a-report-of-7-cases
#12
Wenbo Bu, Xiulian Xu, Yan Wang, Liming Huang, Rong Zeng, Xu Chen, Fang Fang
Hidradenitis Suppurativa (HS) is a chronic inflammatory skin disease in the area of the apocrine sweat glands. The treatment of HS is relatively difficult. Therefore, surgery combined with PDT was applied to treat 7 cases of patients in this study, and treatment efficacy was observed. Simple surgical incisions and drainage were performed for patients with Hurley grade I. Surgical incisions and drainage as well as the removal of necrotic tissues were performed for patients with grades II and III. Immediately after surgery, PDT was performed...
January 21, 2017: Photodiagnosis and Photodynamic Therapy
https://www.readbyqxmd.com/read/28116654/autonomic-neuropathy-in-its-many-guises-as-the-initial-manifestation-of-the-antiphospholipid-syndrome
#13
Jill R Schofield
Autonomic disorders have previously been described in association with the antiphospholipid syndrome. The present study aimed to determine the clinical phenotype of patients in whom autonomic dysfunction was the initial manifestation of the antiphospholipid syndrome and to evaluate for autonomic neuropathy in these patients. This was a retrospective study of 22 patients evaluated at the University of Colorado who were found to have a disorder of the autonomic nervous system as the initial manifestation of antiphospholipid syndrome...
January 24, 2017: Immunologic Research
https://www.readbyqxmd.com/read/28110827/eccrine-porocarcinoma-patient-characteristics-clinical-and-histopathologic-features-and-treatment-in-7-cases
#14
A Gómez-Zubiaur, S Medina-Montalvo, M D Vélez-Velázquez, I Polo-Rodríguez
Eccrine porocarcinoma is a rare, malignant cutaneous adnexal tumor that arises from the ducts of sweat glands. Found mainly in patients of advanced age, this tumor has diverse clinical presentations. Histology confirms the diagnosis, detects features relevant to prognosis, and guides treatment. Growth is slow, but the prognosis is poor if the tumor metastasizes to lymph nodes or visceral organs. We report 7 cases of eccrine porocarcinoma, describing patient characteristics, the clinical and histopathologic features of the tumors, and treatments used...
January 19, 2017: Actas Dermo-sifiliográficas
https://www.readbyqxmd.com/read/28109651/late-onset-krabbe-disease-due-to-the-new-galc-p-ala543pro-mutation-with-intriguingly-high-residual-galc-activity-in%C3%A2-vitro
#15
Inge Krägeloh-Mann, Klaus Harzer, Kevin Rostásy, Stefanie Beck-Wödl, Antje Bornemann, Judith Böhringer, Andrea Bevot, Verena Beck, Gisela Merkel, Maria Pechan
BACKGROUND: Krabbe disease (KD) is an inherited leukodystrophy due to a defect in the GALC gene which encodes the lysosomal galactosylceramide β-galactosidase (GALC). About two thirds of patients show the early onset form of KD dominated by cerebral demyelination leading to death in early infancy. Late onset forms include a spectrum of late infantile, juvenile and adult clinical courses. The deficiency of GALC leads to a galactosylceramide lipidosis in which lysosomal storage phenomena are seen almost only at the ultrastructural level...
January 6, 2017: European Journal of Paediatric Neurology: EJPN
https://www.readbyqxmd.com/read/28105745/thin-soft-skin-mounted-microfluidic-networks-with-capillary-bursting-valves-for-chrono-sampling-of-sweat
#16
Jungil Choi, Daeshik Kang, Seungyong Han, Sung Bong Kim, John A Rogers
Systems for time sequential capture of microliter volumes of sweat released from targeted regions of the skin offer the potential to enable analysis of temporal variations in electrolyte balance and biomarker concentration throughout a period of interest. Current methods that rely on absorbent pads taped to the skin do not offer the ease of use in sweat capture needed for quantitative tracking; emerging classes of electronic wearable sweat analysis systems do not directly manage sweat-induced fluid flows for sample isolation...
January 20, 2017: Advanced Healthcare Materials
https://www.readbyqxmd.com/read/28103991/-study-on-sweat-gland-regeneration-induced-by-microenvironment-of-three-dimensional-bioprinting
#17
B Yao, J F Xie, S Huang, X B Fu
Sweat glands are abundant in the body surface and essential for thermoregulation. Sweat glands fail to conduct self-repair in patients with large area of burn and trauma, and the body temperature of patients increases in hot climate, which may cause shock or even death. Now, co-culture system, reprogramming, and tissue engineering have made progresses in inducing sweat gland regeneration, but the inductive efficiency and duration need to be improved. Cellular microenvironment can regulate cell biological behavior, including cell migration and cell differentiation...
January 20, 2017: Zhonghua Shao Shang za Zhi, Zhonghua Shaoshang Zazhi, Chinese Journal of Burns
https://www.readbyqxmd.com/read/28098399/myb-cd117-and-sox-10-expression-in-cutaneous-adnexal-tumors
#18
Mara Therese P Evangelista, Jeffrey P North
BACKGROUND: Elevated MYB expression has been documented in adenoid cystic carcinoma (ACC), cylindroma, and spiradenoma, but the specificity of this finding is unknown. CD117 and SOX-10 expression also occurs in some cutaneous adnexal tumors. This study assesses MYB, CD117, and SOX-10 expression in cutaneous adnexal tumors. METHODS: Retrospective analysis of 184 benign adnexal tumors (140 eccrine/apocrine, 40 follicular, and 10 sebaceous), and 30 malignant adnexal tumors was performed with MYB, SOX-10, and CD117 immunostaining...
January 18, 2017: Journal of Cutaneous Pathology
https://www.readbyqxmd.com/read/28095327/proteomic-and-peptidomic-analysis-of-human-sweat-with-emphasis-on-proteolysis
#19
Yijing Yu, Ioannis Prassas, Carla M J Muytjens, Eleftherios P Diamandis
: Sweat is produced by eccrine and apocrine glands and represents a biological fluid with established roles in thermo-regulation and host infection defense. The composition of sweat is highly dynamic and alters significantly in various skin and other disorders. Therefore, in-depth profiling of sweat protein composition is expected to augment our understanding of the pathobiology of several skin diseases and may lead to the identification of useful sweat-based disease biomarkers. We here reported an in-depth analysis of the human sweat proteome and peptidome...
January 14, 2017: Journal of Proteomics
https://www.readbyqxmd.com/read/28093664/cell-proliferation-and-differentiation-during-the-three-dimensional-reconstitution-of-eccrine-sweat-glands
#20
Xuexue Li, Haihong Li, Mingjun Zhang, Liyun Chen, Bingna Zhang
The aim of this study is to characterize the cell proliferation and proliferating cell types during three-dimensional reconstitution of eccrine sweat glands. Eccrine sweat gland cells suspended in Matrigel were injected subcutaneously into the inguinal regions of nude mice. At 1, 2, 4, 6, 8, 14, 21, 28, 35 and 42 days post-implantation, Matrigel plugs were immunostained for Ki67, to detect cycling cells, and the Ki67 labeling index at different time points was calculated. Three pairs of antibodies, Ki67/K7, Ki67/K14 and Ki67/α-SMA, were used to identify proliferating cell types in the plugs, on days 28, 35 and 42, by immunofluorescence double staining...
January 16, 2017: Journal of Molecular Histology
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