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https://www.readbyqxmd.com/read/28730221/usefulness-of-ultrastructure-studies-for-the-estimation-of-the-postmortem-interval-a-systematic-review
#1
Sorin Hostiuc, Mugurel Constantin Rusu, Vasile Sorin Mănoiu, Alexandra Diana Vrapciu, IonuŢ Negoi, Maria Viorela Popescu
Establishing the postmortem interval (PMI) is vital in legal medicine as it allows to retrospectively estimate the hour of death, which is essential for the police as a starting point for their inquiries (especially in violent deaths). Ultrastructure studies aimed specifically to detect autolytic changes are scarcely identified in the scientific literature. Moreover, they are performed in a variety of conditions (different temperatures, species, in vitro ÷ in situ, and so on), making the results difficult to interpret for legal medicine purposes...
2017: Romanian Journal of Morphology and Embryology, Revue Roumaine de Morphologie et Embryologie
https://www.readbyqxmd.com/read/28722532/bi-institutional-retrospective-study-on-the-demographics-and-basic-clinical-presentation-of-hidrocystomas
#2
Michelle Maeng, Paul Petrakos, Mei Zhou, Benjamin Levine, Gary Lelli, Pete Setabutr
Hidrocystomas are benign, cystic lesions of eccrine and apocrine sweat glands. The literature on hidrocystomas is sparse, consisting of a handful of case reports and limited retrospective reviews. This is the first known bi-institutional, retrospective, chart review aimed to elucidate the demographics and basic clinical presentation of hidrocystomas. Medical records of adult patients with a pathological diagnosis of hidrocystoma from September 1, 2008 to August 1, 2015 in the Oculoplastic and Reconstructive Surgery Service at the Illinois Eye and Ear Infirmary (UIC) and Department of Ophthalmology of Weill Cornell Medical College (Cornell) were reviewed...
July 19, 2017: Orbit
https://www.readbyqxmd.com/read/28721214/porocarcinoma-presentation-and-management-a-meta-analysis-of-453-cases
#3
REVIEW
Abdulwahid M Salih, F H Kakamad, Hiwa O Baba, Rawezh Q Salih, M R Hawbash, Shvan H Mohammed, Snur Othman, Yadgar A Saeed, Imad J Habibullah, Aso S Muhialdeen, Rebaz O Nawroly, Zuhair D Hammood, Nawshirwan H Abdulkarim
BACKGROUND: porocarcinoma is a rare sort of skin cancer developing from sweat glands. Its clinical course and management are not well understood. OBJECTIVES: the current meta-analysis is to address the presentation and management of porocarcinoma. DATA SOURCES: Web of Science, PubMed, MEDLINE on OVID and Google scholar were searched for English-language studies published before December 1, 2016. RESULTS: The review of literature revealed 453 cases...
August 2017: Annals of Medicine and Surgery
https://www.readbyqxmd.com/read/28717319/changes-in-histopathology-and-cytokeratin-ae1-ae3-expression-in-skin-graft-with-different-time-on-indonesian-local-cats
#4
Erwin, Etriwati, Gunanti, Ekowati Handharyani, Deni Noviana
AIM: A good skin graft histopathology is followed by formation of hair follicle, sweat gland, sebaceous gland, blood vessel, lightly dense connective tissue, epidermis, and dermis layer. This research aimed to observe histopathology feature and cytokeratin AE1/AE3 expression on cat skin post skin grafting within a different period of time. MATERIALS AND METHODS: Nine male Indonesian local cats aged 1-2 years old weighing 3-4 kg were separated into three groups. First surgery created defect wound of 2 cm × 2 cm in size to whole groups...
June 2017: Veterinary World
https://www.readbyqxmd.com/read/28714085/neural-control-of-sweat-secretion-a-review
#5
REVIEW
Y Hu, C Converse, M C Lyons, W H Hsu
Humans have 4 million exocrine sweat glands, which can be classified into two types: eccrine and apocrine glands. Sweat secretion is a constitutive feature, which is directly involved in thermoregulation and metabolism. Sweat secretion is regulated by both the central nervous system(1) and autonomic nervous system.(2) In peripheral areas, the ANS, especially the sympathetic nervous system (SNS), mediates the transmission of neurotransmitters to sweat glands. Two principal chemical mediators, acetylcholine and noradrenaline (NA)/adrenaline (ADR), are released by the SNS, which stimulate sweat secretion...
July 17, 2017: British Journal of Dermatology
https://www.readbyqxmd.com/read/28692463/syringotropic-mycosis-fungoides-a-rare-form-of-cutaneous-t-cell-lymphoma-enabling-a-histopathologic-sigh-of-relief
#6
Larisa M Lehmer, Kyle T Amber, Sébastien M de Feraudy
Syringotropic mycosis fungoides (STMF) is a very rare variant of cutaneous T-cell lymphoma. It follows a much milder disease course than its clinically indistinguishable adnexal counterpart, folliculotropic mycosis fungoides (FMF). We report a case of a 36-year-old man who presented with erythematous, studded papules and plaques on the left upper extremity and right anterior thigh diagnosed as mycosis fungoides (MF) Stage 1A on initial superficial shave biopsy. Lesions recurred after initial improvement with narrow-band ultraviolet light therapy demonstrating a concentration of abnormal lymphocytes around eccrine sweat glands on repeat biopsy consistent with STMF...
May 18, 2017: American Journal of Dermatopathology
https://www.readbyqxmd.com/read/28689642/cells-in-3d-reconstitutued-eccrine-sweat-gland-cell-spheroids-differentiate-into-gross-cystic-disease-fluid-protein-15-expressing-dark-secretory-cells-and-carbonic-anhydrase-ii-expressing-clear-secretory-cells
#7
Haihong Li, Liyun Chen, Mingjun Zhang, Bingna Zhang
Secretory coils of eccrine sweat glands are composed of myoepithelial cells, dark secretory cells and clear secretory cells. The two types of cells play important roles in sweat secretion. In our previous study, we demonstrated that the 3D-reconstituted eccrine sweat gland cell spheroids differentiate into secretory coil-like structures. However, whether the secretory coil-like structures further differentiate into dark secretory cells and clear secretory cells were is still unknown. In this study, we detected the differentiation of clear and dark secretory cells in the 3D-reconstituted eccrine sweat gland cell spheroids using the dark secretory cell-specific marker, GCDFP-15, and clear secretory cell-specific marker, CAII by immunofluorescence staining...
July 6, 2017: Acta Histochemica
https://www.readbyqxmd.com/read/28686597/altered-paracellular-cation-permeability-due-to-a-rare-cldn10b-variant-causes-anhidrosis-and-kidney-damage
#8
Joakim Klar, Jörg Piontek, Susanne Milatz, Muhammad Tariq, Muhammad Jameel, Tilman Breiderhoff, Jens Schuster, Ambrin Fatima, Maria Asif, Muhammad Sher, Katrin Mäbert, Anja Fromm, Shahid M Baig, Dorothee Günzel, Niklas Dahl
Claudins constitute the major component of tight junctions and regulate paracellular permeability of epithelia. Claudin-10 occurs in two major isoforms that form paracellular channels with ion selectivity. We report on two families segregating an autosomal recessive disorder characterized by generalized anhidrosis, severe heat intolerance and mild kidney failure. All affected individuals carry a rare homozygous missense mutation c.144C>G, p.(N48K) specific for the claudin-10b isoform. Immunostaining of sweat glands from patients suggested that the disease is associated with reduced levels of claudin-10b in the plasma membranes and in canaliculi of the secretory portion...
July 2017: PLoS Genetics
https://www.readbyqxmd.com/read/28686209/detailed-characterization-of-sympathetic-chain-ganglia-schg-neurons-supplying-the-skin-of-the-porcine-hindlimb
#9
Anna Kozłowska, Anita Mikołajczyk, Mariusz Majewski
It is generally known that in the skin sympathetic fibers innervate various dermal structures, including sweat glands, blood vessels, arrectores pilorum muscles and hair follicles. However, there is a lack of data about the distribution and chemical phenotyping of the sympathetic chain ganglia (SChG) neurons projecting to the skin of the pig, a model that is physiologically and anatomically very representative for humans. Thus, the present study was designed to establish the origin of the sympathetic fibers supplying the porcine skin of the hind leg, and the pattern(s) of putative co-incidence of dopamine-β-hydroxylase (DβH) with pituitary adenylate cyclase-activating polypeptide (PACAP), somatostatin (SOM), neuronal nitric oxide synthase, substance P, vasoactive intestinal peptide, neuropeptide Y (NPY), leu5-enkephalin and galanin (GAL) using combined retrograde tracing and double-labeling immunohistochemistry...
July 7, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28685839/lipoid-proteinosis-a-case-with-distinct-histopathological-and-radiological-findings
#10
B K Brar, S Jain, S K Brar
Lipoid proteinosis is a rare inherited genodermatosis characterized by hyaline deposits in various tissues. Clinically, it manifests with cutaneous as well as extracutaneous features. PAS reactive hyaline deposits in the upper dermis, with localization around blood vessels and eccrine sweat glands, in particular, is the histopathological hallmark finding. On brain imaging, bilateral symmetrical temporal lobe calcifications are considered to be pathognomonic of this disorder. We report a case of lipoid proteinosis in which hyaline deposits were present in the papillary and reticular dermis, without being seen at the periphery of eccrine sweat glands, along with dystrophic calcification...
July 7, 2017: Journal of Cutaneous Pathology
https://www.readbyqxmd.com/read/28677764/serum-is-an-indispensable-factor-in-the-maintenance-of-the-biological-characteristics-of-sweat-gland-cells
#11
Qing Sun, Xiao-Mei Deng, Yun-Liang Wang, Yun-Fang Zhen, Fang Li, Rui-Hua Chen, Han-Si Liang, Feng Zhang, Ming-De Qin, Xue-Guang Zhang
The tolerance of sweat gland cells for in vitro amplification and subcultivation is low as they are somatic cells. The present study aimed to formulate an optimal medium for the culture of human eccrine sweat gland cells (HESGCs) and to establish a method for induction of HESGCs proliferation, whilst maintaining the characteristics of sweat gland cells. HESGCs cultured in sweat gland (SG):keratinocyte growth medium‑2 (KGM‑2) (1:1) medium had a higher proliferation rate and a stable morphology compared with cells cultured in SG and KGM‑2 medium only...
July 4, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28670069/hypertensive-crisis-secondary-to-pheochromocytoma
#12
Christopher E Greenleaf, Laura A Griffin, Jay G Shake, Wayne S Orr
Pheochromocytoma is an uncommon tumor of the adrenal glands that can present with headaches, sweating, palpitations, and paroxysmal hypertension. Pheochromocytoma crisis can lead to cardiomyopathy, pulmonary edema, and even total circulatory collapse. We describe a patient with hypoxic respiratory failure requiring extracorporeal membrane oxygenation to stabilize until the pheochromocytoma was discovered and treated.
July 2017: Proceedings of the Baylor University Medical Center
https://www.readbyqxmd.com/read/28664954/soft-skin-mounted-microfluidic-systems-for-measuring-secretory-fluidic-pressures-generated-at-the-surface-of-the-skin-by-eccrine-sweat-glands
#13
Jungil Choi, Yeguang Xue, Wei Xia, Tyler R Ray, Jonathan T Reeder, Amay J Bandodkar, Daeshik Kang, Shuai Xu, Yonggang Huang, John A Rogers
During periods of activity, sweat glands produce pressures associated with osmotic effects to drive liquid to the surface of the skin. The magnitudes of these pressures may provide insights into physiological health, the intensity of physical exertion, psychological stress factors and/other information of interest, yet they are currently unknown due to absence of means for non-invasive measurement. This paper introduces a thin, soft wearable microfluidic system that mounts onto the surface of the skin to enable precise and routine measurements of secretory fluidic pressures generated at the surface of the skin by eccrine sweat glands (surface SPSG, or s-SPSG) at nearly any location on the body...
June 30, 2017: Lab on a Chip
https://www.readbyqxmd.com/read/28662305/degranulation-and-shrinkage-of-dark-cells-in-eccrine-glands-and-elevated-serum-carcinoembryonic-antigen-in-patients-with-acquired-idiopathic-generalized-anhidrosis
#14
K Sano, M Asahina, T Uehara, K Matsumoto, N Araki, R Okuyama
BACKGROUND: Acquired idiopathic generalized anhidrosis (AIGA) is characterized by anhidrosis/hypohidrosis without other autonomic and neurological dysfunctions. Pathologically, AIGA is considered to usually present no significant morphological alterations in eccrine glands, the secretory portion of which consists of clear cells, dark cells, and myoepithelial cells. AIGA patients recently have been reported to show high serum concentrations of carcinoembryonic antigen (CEA). OBJECTIVE: Our aim is to reveal morphological abnormalities of dark cells and investigate their relationship with serum CEA...
June 29, 2017: Journal of the European Academy of Dermatology and Venereology: JEADV
https://www.readbyqxmd.com/read/28660220/f-18-fdg-pet-ct-imaging-of-eccrine-sweat-gland-carcinoma-of-the-scrotum-with-extensive-regional-and-distant-metastases
#15
Jin-Suk Kim
Eccrine carcinoma is an extremely rare malignant skin cancer arising from eccrine sweat glands with a high metastatic potential. It mainly occurs in the elderly, with equal incidence in both sexes. It usually spreads to regional lymph nodes, with liver, lungs, and bones being the most common sites of distant metastasis. Because of tumor rarity, little is known about the value of F-18 FDG PET/CT in evaluating this disease. Our case report aims to increase current knowledge of F-18 FDG PET/CT in eccrine sweat gland carcinoma as a noninvasive imaging tool for assessing the extension of the disease and detecting distant metastases...
2017: Asia Oceania Journal of Nuclear Medicine & Biology
https://www.readbyqxmd.com/read/28648603/effects-of-brn2-overexpression-on-eccrine-sweat-gland-development-in-the-mouse-paw
#16
Min Keun Chee, Seong Kyeong Jo, Kyung Cheol Sohn, Chang Deok Kim, Jeung-Hoon Lee, Young Ho Lee
Eccrine sweat glands regulate body temperature by secreting water and electrolytes. In humans, eccrine sweat glands are ubiquitous in the skin, except in the lips and external genitalia. In mice, eccrine sweat glands are present only in the paw pad. Brn2 is a protein belonging to a large family of transcription factors. A few studies have examined Brn2 in melanoma cells and epidermal keratinocytes. This study investigated changes in the skin in the K5-Brn2 transgenic mouse, which overexpresses Brn2 and contains the keratin 5 promotor...
June 23, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28641581/thyrotoxic-and-pheochromocytoma-multisystem-crisis-a-case-report
#17
Kodai Suzuki, Takahito Miyake, Hideshi Okada, Fuminori Yamaji, Yuichiro Kitagawa, Tetsuya Fukuta, Ryu Yasuda, Yoshihito Tanaka, Haruka Okamoto, Sho Nachi, Tomoaki Doi, Takahiro Yoshida, Keisuke Kumada, Shozo Yoshida, Hiroaki Ushikoshi, Izumi Toyoda, Shinji Ogura
BACKGROUND: Thyrotoxic crisis and pheochromocytoma multisystem crisis are rare, life-threatening, emergency endocrine diseases with various clinical manifestations. Here we report a case of a patient who simultaneously developed thyrotoxic crisis and pheochromocytoma multisystem crisis and required intensive cardiovascular management. CASE PRESENTATION: A 60-year-old Asian man experienced nausea and vomiting, and subsequently developed dyspnea and cold sweats while farming...
June 23, 2017: Journal of Medical Case Reports
https://www.readbyqxmd.com/read/28636607/three-dimensional-cell-shapes-and-arrangements-in-human-sweat-glands-as-revealed-by-whole-mount-immunostaining
#18
Ryuichiro Kurata, Sugiko Futaki, Itsuko Nakano, Fumitaka Fujita, Atsushi Tanemura, Hiroyuki Murota, Ichiro Katayama, Fumihiro Okada, Kiyotoshi Sekiguchi
Because sweat secretion is facilitated by mechanical contraction of sweat gland structures, understanding their structure-function relationship could lead to more effective treatments for patients with sweat gland disorders such as heat stroke. Conventional histological studies have shown that sweat glands are three-dimensionally coiled tubular structures consisting of ducts and secretory portions, although their detailed structural anatomy remains unclear. To better understand the details of the three-dimensional (3D) coiled structures of sweat glands, a whole-mount staining method was employed to visualize 3D coiled gland structures with sweat gland markers for ductal luminal, ductal basal, secretory luminal, and myoepithelial cells...
2017: PloS One
https://www.readbyqxmd.com/read/28625251/-a-novel-protein-peptide-associated-with-ischemic-heart-disease-dermcidin
#19
Hu Xia, Kai Feng
Dermcidin (DCD) was found in isolated human skin sweat glands with antimicrobial effect, and was defined as a kind of new small molecule antimicrobial peptide. It was a part of human sweat glands in the skin as the immune system's innate defense. With the studies of DCD, its extensive biological functions are gradually discovered. Since 2010, a number of studies have shown that DCD may be a new risk factor for atherosclerosis. And the role of DCD in ischemic heart disease has drawn increasing attention in particular its relationship with insulin secretion and glycemic control, nitric oxide (NO) synthesis and hypertension, platelet aggregation and acute myocardial infarction (AMI)...
June 2017: Zhonghua Wei Zhong Bing Ji Jiu Yi Xue
https://www.readbyqxmd.com/read/28616394/new-method-of-sudomotor-function-measurement-to-detect-microvascular-disease-and-sweat-gland-nerve-or-unmyelinated-c-fiber-dysfunction-in-adults-with-retinopathy
#20
John E Lewis, Steven E Atlas, Ammar Rasul, Ashar Farooqi, Laura Lantigua, Oscar L Higuera, Andrea Fiallo, Lianette Laria, Renata Picciani, Ken Wals, Zohar Yehoshua, Armando Mendez, Janet Konefal, Sharon Goldberg, Judi Woolger
BACKGROUND: Diabetes-associated microvascular complications such as retinopathy and neuropathy often lead to end-organ and tissue damage. Impaired skin microcirculation often precedes the detection of other advanced diabetic complications. The ANS-1 system contains a redesigned sympathetic skin response (ANS-1 SSR) device that measures sudomotor function, a photoplethysmography sensor, and a blood pressure device to comprehensively assess cardiac autonomic neuropathy and endothelial dysfunction...
2017: Journal of Diabetes and Metabolic Disorders
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