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https://www.readbyqxmd.com/read/28542730/estrogen-receptor-%C3%AE-regulates-the-tumoral-suppressor-pten-to-modulate-pituitary-cell-growth
#1
Pablo Anibal Perez, Juan Pablo Petiti, Florencia Picech, Carolina Beatriz Guido, Liliana Del Valle Sosa, Ezequiel Grondona, Jorge Humberto Mukdsi, Ana Lucia De Paul, Alicia Ines Torres, Silvina Gutierrez
In this study, we focused on ERβ regulation in the adenohypophysis under different estrogenic milieu, by analyzing whether ER modulates the phosphatase and tensin homologue deleted on chromosome 10 (PTEN) expression and its subcellular localization on anterior pituitary glands from Wistar rats and GH3 lactosomatotroph cells that over-expressed ERβ. ERβ was regulated in a cyclic manner, and underwent dynamic changes throughout the estrous cycle, with decreased ERβ+ cells in estrus and under E2 treatment, but increased in ovariectomized rats...
May 20, 2017: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/28539836/dual-delivery-of-ngf-and-bfgf-coacervater-ameliorates-diabetic-peripheral-neuropathy-via-inhibiting-schwann-cells-apoptosis
#2
Rui Li, Jianfeng Ma, Yanqing Wu, Matthew Nangle, Shuang Zou, Yiyang Li, Jiayu Yin, Yingzheng Zhao, Helin Xu, Hongyu Zhang, Xiaokun Li, Qing Song Ye, Jian Wang, Jian Xiao
Diabetic neuropathy is a kind of insidious complications that impairs neural and vascular function and ultimately leads to somatic and visceral denervation. Basic fibroblast growth factor (bFGF) and nerve growth factor (NGF) are important neurotrophic factors for stimulating angiogenesis and improving peripheral nerve function. Administrating a single factor has good therapeutic effect on diabetic peripheral neuropathy (DPN). However, the short half-life and rapid diffusion of growth factors under physiological conditions limits its clinical applications...
2017: International Journal of Biological Sciences
https://www.readbyqxmd.com/read/28535564/the-different-dynamic-changes-of-nerve-growth-factor-in-the-dorsal-horn-and-dorsal-root-ganglion-leads-to-hyperalgesia-and-allodynia-in-diabetic-neuropathic-pain
#3
Zhifeng Gao, Yi Feng, Hui Ju
BACKGROUND: Diabetic peripheral neuropathy (DPN) is the most common complication of diabetes and more than half of the patients with DPN have self-reported symptoms referring to painful diabetic neuropathy (PDN). Nerve growth factor (NGF) is a key factor for the nervous system, but the role of it in the neuropathic pain of diabetic patients is unclear. OBJECTIVE: This study aimed to investigate the relationship between the dynamic expression of NGF in dorsal horn and dorsal root ganglion (DRG) of diabetic rats and hyperalgesia and allodynia in diabetic neuropathic pain...
May 2017: Pain Physician
https://www.readbyqxmd.com/read/28521198/clinical-characteristics-and-risk-factors-of-diabetic-peripheral-neuropathy-of-type-1-diabetes-mellitus-patients
#4
Xia Zhang, Chen Fang, Xiang Li, Yong-Jun Cao, Qi-Lin Zhang, Hong-Hong Zhang, Yun Huang, Ji Hu, Chun-Feng Liu
BACKGROUND: Small nerve fibers are more easily injured than large ones for diabetic peripheral neuropathy (DPN). The study investigated the characteristics and related risk factors of DPN of T1DM patients using nerve conduction velocity and CPT values, which provided evidences for its early diagnosis. METHODS: 70 T1DM patients and 48 healthy volunteers were included. All subjects accepted nerve conduction velocity and CPT examinations for four limbs. Detailed clinical indicators were recorded...
April 25, 2017: Diabetes Research and Clinical Practice
https://www.readbyqxmd.com/read/28513212/an-optical-fiber-based-smart-textile-smart-socks-to-manage-biomechanical-risk-factors-associated-with-diabetic-foot-amputation
#5
Bijan Najafi, Hooman Mohseni, Gurtej S Grewal, Talal K Talal, Robert A Menzies, David G Armstrong
OBJECTIVE: This study aimed to validate a smart-textile based on fiber-optics for simultaneous measurement of plantar temperature, pressure, and joint angles in patients with diabetic peripheral neuropathy (DPN). METHODS: After in-vitro validation in the laboratory, 33 eligible subjects with DPN were recruited (age: 58 ± 8 years, BMI: 31.5 ± 8 kg/m(2)) for assessing plantar pressure and temperature during habitual gait-speed in a clinical-setting. All participants were asked to walk at their habitual speed while wearing a pair of sensorized socks made from highly flexible fiber optics (SmartSox)...
May 1, 2017: Journal of Diabetes Science and Technology
https://www.readbyqxmd.com/read/28512447/low-dose-pulsatile-interleukin-6-as-a-treatment-option-for-diabetic-peripheral-neuropathy
#6
REVIEW
April Ann Cox, Yves Sagot, Gael Hedou, Christina Grek, Travis Wilkes, Aaron I Vinik, Gautam Ghatnekar
Diabetic peripheral neuropathy (DPN) remains one of the most common and serious complications of diabetes. Currently, pharmacological agents are limited to treating the pain associated with DPN, and do not address the underlying pathological mechanisms driving nerve damage, thus leaving a significant unmet medical need. Interestingly, research conducted using exercise as a treatment for DPN has revealed interleukin-6 (IL-6) signaling to be associated with many positive benefits such as enhanced blood flow and lipid metabolism, decreased chronic inflammation, and peripheral nerve fiber regeneration...
2017: Frontiers in Endocrinology
https://www.readbyqxmd.com/read/28500758/mscs-ameliorates-dpn-induced-cellular-pathology-via-ca-2-i-homeostasis-and-scavenging-the-pro-inflammatory-cytokines
#7
Harish C Chandramoorthy, Ismaeel Bin-Jaliah, Hussian Karari, Prasanna Rajagopalan, Mohammed Eajaz Ahmed Shariff, Ahmed Al-Hakami, Suliman M Al-Humayad, Fawzi A Baptain, Humeda Suekit Ahmed, Hanaa Z Yassin, Mohamed A Haidara
The MSCs of various origins are known to ameliorate or modulate cell survival strategies. We investigated, whether UCB MSCs could improve the survival of the human neuronal cells and/or fibroblast assaulted with DPN sera. The results showed, the co-culture of UCB MSCs with human neuronal cells and/or fibroblasts could effectively scavenge the pro-inflammatory cytokines TNF-α, IL-1β, IFN-γ and IL - 12 and control the pro-apoptotic expression of p53/Bax. Further co-culture of UCB MSCs have shown to induce anti-inflammatory cytokines like IL-4, IL-10 and TGF-β and anti-apoptotic Bclxl/Bcl2 expression in the DPN sera stressed cells...
May 13, 2017: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/28491477/the-effect-of-diabetic-peripheral-neuropathy-on-ground-reaction-forces-during-straight-walking-in-stroke-survivors
#8
Amirah Mustapa, Maria Justine, Nadia Mohd Mustafah, Haidzir Manaf
Purpose. The aim of this present study was to investigate the ground reaction forces (GRFs) alterations in stroke survivors with diabetic peripheral neuropathy (DPN). Methods. Ten stroke survivors with DPN, 10 stroke survivors without DPN, and 10 healthy controls with matched body weight between groups participated in this case-control cross-sectional study. Three-dimensional GRFs (anterior-posterior, medial-lateral, and vertical) were collected at a comfortable walking speed using the Nexus Vicon motion analysis system and force plate...
2017: Rehabilitation Research and Practice
https://www.readbyqxmd.com/read/28485013/a-clinical-dermoscopic-and-histopathological-study-of-dermatosis-papulosa-nigra-dpn-an-indian-perspective
#9
Ramesh M Bhat, Ninon Patrao, Rochelle Monteiro, D Sukumar
BACKGROUND: Dermatosis papulosa nigra (DPN) is a benign cutaneous condition which commonly occurs in dark-skinned people, especially Asians and African Americans. Owing to its benign nature and rarity, very few studies have been conducted to date, and dermoscopic studies are practically nonexistent. OBJECTIVES: To study the clinical and epidemiological characteristics of patients with dermatosis papulosa nigra (DPN) and to correlate the clinical findings with dermoscopic and histopathological findings in DPN...
May 8, 2017: International Journal of Dermatology
https://www.readbyqxmd.com/read/28483190/acupuncture-treatment-of-diabetic-peripheral-neuropathy-in-an-american-indian-community
#10
Anne Bailey, Deborah Wingard, Matthew Allison, Priscilla Summers, Daniel Calac
Diabetic peripheral neuropathy (DPN) develops in 30% of type 2 diabetes patients, increases the risk for foot ulcers and amputation, and is a significant source of disability and medical costs. Treatment remains challenging, propelling research to focus on therapeutic methods that aim to improve blood circulation or ameliorate oxidative stress that drives development of DPN. The aim of this study was to assess the effectiveness of acupuncture treatment for DPN symptoms and lower extremity arterial circulation in people with type 2 diabetes...
April 2017: Journal of Acupuncture and Meridian Studies
https://www.readbyqxmd.com/read/28463406/cpt11-prevents-virus-replication-in-jci-cells-persistently-infected-with-jc-polyomavirus
#11
Souichi Nukuzuma, Chiyoko Nukuzuma, Masanori Kameoka, Shigeki Sugiura, Kazuo Nakamichi, Takafumi Tasaki, Tsutomu Takegami
JC polyomavirus (JCPyV) is the causative agent of the demyelinating disease in the central nervous system, known as PML in immunocompromised patients. Moreover, PML occurred in patients treated with natalizumab for MS or Crohn's disease as natalizumab-related PML. Many antiviral agents are being investigated due to the lack of drugs currently available for PML. The previous study demonstrated that the topoisomerase I inhibitors topotecan and β-lapachone have inhibitory effects on JCPyV replication in IMR-32 cells...
May 2, 2017: Microbiology and Immunology
https://www.readbyqxmd.com/read/28435320/identification-prevalence-and-treatment-of-painful-diabetic-neuropathy-in-patients-from-a-rural-area-in-south-carolina
#12
Jimmy Pruitt, Carolina Moracho-Vilrriales, Tiffaney Threatt, Sarah Wagner, Jun Wu, E Alfonso Romero-Sandoval
Diabetic peripheral neuropathy (DPN) represents significant burdens to many patients and the public health-care system. Patients with diabetes in rural areas have higher risk of developing complications and having less access to proper treatment. We studied a rural population of patients with diabetes who attended a pharmacist-led free clinic for a diabetic education program. Our objectives were to 1) determine the prevalence of DPN and painful diabetic neuropathy (p-DN) in patients with type 2 diabetes; 2) assess the proportion of patients with DPN and p-DN left undocumented upon physician referral to a pharmacist-led free clinic; and 3) determine the appropriateness of pain medication regimen...
2017: Journal of Pain Research
https://www.readbyqxmd.com/read/28432353/severe-hearing-loss-and-outer-hair-cell-death-in-homozygous-foxo3-knockout-mice-after-moderate-noise-exposure
#13
Felicia Gilels, Stephen T Paquette, Holly J Beaulac, Anwen Bullen, Patricia M White
Noise induced hearing loss (NIHL) is a disease that affects millions of Americans. Identifying genetic pathways that influence recovery from noise exposure is an important step forward in understanding NIHL. The transcription factor Foxo3 integrates the cellular response to oxidative stress and plays a role in extending lifespan in many organisms, including humans. Here we show that Foxo3 is required for auditory function after noise exposure in a mouse model system, measured by ABR. Absent Foxo3, outer hair cells are lost throughout the middle and higher frequencies...
April 21, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28432299/tangluoning-a-traditional-chinese-medicine-attenuates-in-vivo-and-in-vitro-diabetic-peripheral-neuropathy-through-modulation-of-perk-nrf2-pathway
#14
Xinwei Yang, Weijie Yao, Haolong Liu, Yanbin Gao, Renhui Liu, Liping Xu
Prolonged hyperglycemia-induced oxidative stress and endoplasmic reticulum stress have been demonstrated to play a key role in progression of diabetic peripheral neuropathy (DPN). PERK/ Nrf2 pathway plays a predominant role in oxidative and endoplasmic reticulum (ER) stress which is associated with cell survival. This study examined the modulation of the PERK/Nrf2 pathway and apoptosis by a traditional Chinese medicine Tangluoning (TLN) in streptozotocin-induced DPN rat models and the effects of serum TLN on the PERK/Nrf2 pathway, apoptosis, intracellular reactive oxygen species and mitochondrial membrane potential in Schwann cells cultured in 150 mM glucose...
April 21, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28432188/magnetic-resonance-neurography-visualizes-abnormalities-in-sciatic-and-tibial-nerves-in-patients-with-type-1-diabetes-and-neuropathy
#15
Michael Vaeggemose, Mirko Pham, Steffen Ringgaard, Hatice Tankisi, Niels Ejskjaer, Sabine Heiland, Per L Poulsen, Henning Andersen
This study evaluates whether diffusion-tensor-imaging MR-Neurography (DTI-MRN), T2-relaxation-time and proton-spin-density can detect and grade neuropathic abnormalities in patients with type 1 diabetes.Forty-nine patients with type 1 diabetes (11 with severe polyneuropathy (sDPN), 13 with mild polyneuropathy (mDPN) and 25 without polyneuropathy (nDPN)) and 30 healthy controls (HC) were included. Clinical examinations, nerve-conduction-studies and vibratory-perception-thresholds determined the presence and severity of DPN...
April 21, 2017: Diabetes
https://www.readbyqxmd.com/read/28427125/-the-clinical-value-of-sudoscan-in-diagnosis-of-diabetic-distal-symmetrical-peripheral-neuropathy
#16
J J Ma, S L Hao, X T Cheng, Y Yuan
Objective: To evaluate the clinical value of SUDOSCAN in diagnosis of diabetic distal symmetrical peripheral neuropathy. Methods: According to the diagnostic criteria for multiple diabetic distal symmetrical peripheral neuropathy, a total of 130 patients with type 2 diabetes mellitus (T2DM) in Department of Endocrinology, the Affiliated Hospital of Qingdao University between August 2015 and July 2016 were divided into two groups, diabetic peripheral neuropathy group (DPN group, 50 cases) and non-diabetic peripheral neuropathy group (NDPN group, 80 cases)...
April 18, 2017: Zhonghua Yi Xue za Zhi [Chinese medical journal]
https://www.readbyqxmd.com/read/28420258/lace-up-for-healthy-feet-the-impact-of-shoe-closure-on-plantar-stress-response
#17
Hadi Rahemi, David G Armstrong, Ana Enriquez, Joshua Owl, Talal K Talal, Bijan Najafi
OBJECTIVE: This study examined the impact of shoe closure on plantar thermal stress response (TSR), which is known to be a surrogate of shear stress and skin perfusion. It is aimed to explore potential impact of shoe closure on increasing risk factors associated with plantar ulcers in people with diabetic peripheral neuropathy (DPN). METHODS: Fifteen eligible subjects were enrolled. The left foot was used as a reference and fitted to a self-adjusted and habitual lace-tightening method by each subject...
April 1, 2017: Journal of Diabetes Science and Technology
https://www.readbyqxmd.com/read/28415425/-click-access-to-multilayer-functionalized-au-surface-a-terpyridine-patterning-example
#18
Flavia A Martin, Daniel Marconi, Silvia Neamtu, Teodora Radu, Monica Florescu, Rodica Turcu, Claudia Lar, Niculina D Hădade, Ion Grosu, Ioan Turcu
This work is focused on self-assembled monolayers (SAMs) fabrication, using two types of Au surfaces, by subsequent attachment of different layers in order to develop a stable platform consisting of covalent multilayer functionalized gold surfaces. The key step in the construction of SAMs is the covalent linkage to the gold surface, via an amino-thiol derivative, of a cyclooctyne unit exhibiting strained triple bonds which react fast (catalysts are not needed) and quantitatively with organic azides and enable the introduction of various chemical functionalized entities on the gold surface...
June 1, 2017: Materials Science & Engineering. C, Materials for Biological Applications
https://www.readbyqxmd.com/read/28409160/peripheral-and-autonomic-neuropathy-in-south-asians-and-white-caucasians-with-type-2-diabetes-mellitus-possible-explanations-for-epidemiological-differences
#19
Abd A Tahrani, Q A Altaf, Milan K Piya, Anthony H Barnett
Objectives. To compare the prevalence of diabetic peripheral neuropathy (DPN) and that of cardiac autonomic neuropathy (CAN) between South Asians and White Caucasians with type 2 diabetes and to explore reasons for observed differences. Methods. A cross-sectional study of casually selected South Asian and White Caucasian adults attending a hospital-based diabetes clinic in the UK. DPN and CAN were assessed using the Michigan Neuropathy Screening Instrument (MNSI) and heart rate variability testing, respectively...
2017: Journal of Diabetes Research
https://www.readbyqxmd.com/read/28393703/mir-106a-is-associated-with-diabetic-peripheral-neuropathy-through-the-regulation-of-12-15-lox-mediated-oxidative-nitrative-stress
#20
Yuanbo Wu, Dandan Xu, Xiang Zhu, Guangwei Yang, Mingshan Ren
BACKGROUND: Diabetic peripheral neuropathy (DPN) is a common complication of diabetes that with a complex pathogenesis. Study has reported that oxidative stress and nitrative stress were all involved in the DPN, however, the mechanism between them was still unclear. In the present study, we investigated whether miR-106a signaling regulated 12/15-Lipoxygenase (12/15-LOX) on oxidative/nitrative stress in DPN. METHODS: Dorsal root ganglion (DRG) was isolated from 10 healthy mice and 10 DPN mice...
April 4, 2017: Current Neurovascular Research
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