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Anatomical Record: Advances in Integrative Anatomy and Evolutionary Biology

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https://www.readbyqxmd.com/read/29350822/resveratrol-suppresses-rotenone-induced-neurotoxicity-through-activation-of-sirt1-akt1-signaling-pathway
#1
Hui Wang, Xiaoguang Dong, Zengxun Liu, Shaowei Zhu, Haili Liu, Wenchuang Fan, Yanlai Hu, Tao Hu, Yonghui Yu, Yizhao Li, Tianwei Liu, Chengjia Xie, Qing Gao, Guibao Li, Jing Zhang, Zhaoxi Ding, Jinhao Sun
Rotenone is a common pesticide and has been reported as one of the risk factors for Parkinson disease. Rotenone can cause neuronal death or apoptosis through inducing oxidative injury and inhibiting mitochondrial function. As a natural polyphenolic compound, resveratrol possesses the anti-oxidant capacity and neuroprotective effect. However, the mechanism underlying the neuroprotective effect of resveratrol against rotenone-induced neurotoxicity remains elusive. Here, we treated PC12 cells with rotenone to induce neurotoxicity, and the neurotoxic cells were subjected to resveratrol treatment...
January 19, 2018: Anatomical Record: Advances in Integrative Anatomy and Evolutionary Biology
https://www.readbyqxmd.com/read/29346716/neuropeptide-af-induces-piecemeal-degranulation-in-murine-mucosal-mast-cells-a-new-mediator-in-neuro-immune-communication-in-the-intestinal-lamina-propria
#2
Nada Abdellah, Samuel Van Remoortel, Omnia Mohey-Elsaeed, Mohamed-Nabil Mostafa, Yasser A Ahmed, Jean-Pierre Timmermans, Roeland Buckinx
Neuropeptides AF (NPAF), FF (NPFF) and SF (NPSF) are RFamide neuropeptides known to be widely expressed in the mammalian central nervous system, where they fulfill a wide range of functions with pain modulation being the most prominent one. Recent evidence indicates that RFamides act as mediators in mast cell-sensory nerve communications related to allergic disease. Previous work by our group has shown that the expression levels of some members of the Mas-related gene receptor (Mrgpr) family in both enteric neurons and mucosal mast cells change during intestinal inflammation...
January 18, 2018: Anatomical Record: Advances in Integrative Anatomy and Evolutionary Biology
https://www.readbyqxmd.com/read/29316384/hmga1-overexpression-is-associated-with-the-malignant-status-and-progression-of-breast-cancer
#3
Cuiling Qi, Cao Jinghua, Li Mengshi, Chenghua Liang, Yajun He, Yuanyuan Li, Jialin Li, Xiaoming Zheng, Wang Lijing, Bo Wei
Breast cancer is the most common malignant tumor among women, and the incidence and mortality of breast cancer has rapidly increased in recent years. Studies have indicated that high mobility group A1 (HMGA1), an important member of the HMGA family, plays a role in the pathogenesis and progression of malignant tumors, including breast cancer. The present study aims to evaluate the effect of HMGA1 in breast cancer. Interestingly, we found that HMGA1 expression was significantly higher in breast cancer tissues than in adenoma tissues and closely correlated with the clinical stage and histological grade in breast cancer patients...
January 6, 2018: Anatomical Record: Advances in Integrative Anatomy and Evolutionary Biology
https://www.readbyqxmd.com/read/29316380/implant-insertion-into-an-augmented-bone-region-using-the-canine-mandible-augmented-by-the-casing-method
#4
Wataru Ono, Kiichi Maruyama, Makoto Ogiso, Seiji Mineno, Yuichi Izumi
The purpose of this study was to examine the efficacy of bone augmentation using the "Casing Method", which enables large-scale osteogenesis, and the feasibility of using the augmented bone in dental implants. Three Beagle dogs were used. After tooth extraction, a polyethylene terephthalate case (20 mm × 5 mm × 10 mm) was placed on the buccal surface of the mandible. A mixture of hydroxyapatite and beta-tricalcium phosphate (volume ratio=1:1) was infiltrated into a suspension of autologous superfine bone powder and plasma, and the resulting mixture was packed into the case...
January 6, 2018: Anatomical Record: Advances in Integrative Anatomy and Evolutionary Biology
https://www.readbyqxmd.com/read/29316367/development-of-the-lunate-shaped-caudal-fin-in-white-shark-embryos
#5
Taketeru Tomita, Minoru Toda, Kei Miyamoto, Shin-Ichiro Oka, Keiichi Ueda, Keiichi Sato
The lunate-shaped caudal fin in lamnid sharks is a morphological specialization for their thunniform mode of locomotion, but its developmental process during gestation has been poorly investigated. Observations of 21 embryonic specimens of the white shark (Carcharodon carcharias) revealed that their caudal fin morphology drastically changes from strongly heterocercal to lunate-shaped through ontogeny. This morphological change involves 1) rapid elongation of the ventral lobe, 2) increased upward curvature of the vertebra within the caudal fin, and 3) formation of keels at both lateral sides of the caudal fin base...
January 6, 2018: Anatomical Record: Advances in Integrative Anatomy and Evolutionary Biology
https://www.readbyqxmd.com/read/29316348/ultrastructural-and-immunohistochemical-study-on-the-lamina-propria-cells-beneath-paneth-cells-in-the-rat-ileum
#6
Youhei Mantani, Miho Nishida, Kyouji Yamamoto, Kazuki Miyamoto, Hideto Yuasa, Natsumi Masuda, Takuya Omotehara, Hiroki Tsuruta, Toshifumi Yokoyama, Nobuhiko Hoshi, Hiroshi Kitagawa
Paneth cells secrete bactericidal substances in response to bacterial proliferation on the mucosal surface without directly contacting bacteria. However, the induction mechanism of this transient secretion has not been clarified, although nervous system and/or immunocompetent cells in the lamina propria (LP) might be involved. In the present study, we ultrastructurally and immunohistochemically investigated which LP cells are localized beneath Paneth cells and examined the relationship between the Paneth cell-derived cellular processes which extended into the LP and the LP cells...
January 6, 2018: Anatomical Record: Advances in Integrative Anatomy and Evolutionary Biology
https://www.readbyqxmd.com/read/29314775/the-relationship-between-digit-independence-and-digital-sesamoids-in-humans-and-a-proposal-of-a-new-digital-sesamoid-evolutionary-hypothesis
#7
Kaissar Yammine
Digital sesamoids are found in the metapodial-phalangeal joints of most mammals and quadrupedal tetrapods, yet their functional significance is still unclear. During primate evolution, a slight decline in their frequency has been associated with brachiation in gibbons, followed by a quasi-complete absence in orangutans then a slight resurgence occurred in gorillas and chimpanzees. Simultaneously, forearm muscles showed a progressive division in hominoid evolution towards a more "individualistic" musculature yielding more mobility and independence to some fingers...
January 3, 2018: Anatomical Record: Advances in Integrative Anatomy and Evolutionary Biology
https://www.readbyqxmd.com/read/29314739/histological-changes-in-alveolar-bone-after-onlay-augmentation-using-the-casing-method
#8
Kiichi Maruyama, Wataru Ono, Makoto Ogiso, Seiji Mineno, Yuichi Izumi
OBJECTIVE: Numerous studies on alveolar bone augmentation have been reported. However, it remains challenging to obtain favorable new bone, especially for onlay bone augmentation. For successful onlay bone augmentation, it is necessary to use a graft material with high bone-forming activity and wound stabilization. We performed onlay bone augmentation on the buccal surface of mandibular alveolar bone in dogs, using a polyethylene terephthalate (PET) case (Casing method). The aim of this study was to histologically examine the feasibility of Casing method for external onlay bone augmentation...
January 3, 2018: Anatomical Record: Advances in Integrative Anatomy and Evolutionary Biology
https://www.readbyqxmd.com/read/29314717/effects-of-streptomycin-administration-on-increases-in-skeletal-muscle-fiber-permeability-and-size-following-eccentric-muscle-contractions
#9
Keishi Hayao, Hiroyuki Tamaki, Kouki Nakagawa, Keigo Tamakoshi, Hideaki Takahashi, Kengo Yotani, Futoshi Ogita, Noriaki Yamamoto, Hideaki Onishi
The purpose of this study was to investigate the preventive effect of streptomycin administration on changes in membrane permeability and the histomorphological characteristics of damaged muscle fibers following eccentric contraction (ECC). Eighteen 7-wk-old male Fischer 344 rats were randomly assigned to three groups: control (Cont), ECC, and ECC with streptomycin (ECC+Str). The tibialis anterior (TA) muscles in both ECC groups were stimulated electrically and exhibited ECC. Evans blue dye (EBD), a marker of muscle fiber damage associated with increased membrane permeability, was injected 24 h before TA muscle sampling...
January 3, 2018: Anatomical Record: Advances in Integrative Anatomy and Evolutionary Biology
https://www.readbyqxmd.com/read/29293291/formation-of-the-periotic-space-during-the-early-fetal-period-in-humans
#10
Aoi Ishikawa, Sae Ohtsuki, Shigehito Yamada, Chigako Uwabe, Hirohiko Imai, Tetsuya Matsuda, Tetsuya Takakuwa
The inner ear is a very complicated structure, composed of a bony labyrinth (otic capsule; OC), membranous labyrinth, with a space between them, named the periotic labyrinth or periotic space. We investigated how periotic tissue fluid spaces covered the membranous labyrinth 3-dimensionally, leading to formation of the periotic labyrinth encapsulated in the OC during human fetal development. Digital data sets from magnetic resonance images and phase-contrast X-ray tomography images of 24 inner ear organs from 24 human fetuses from the Kyoto Collection (fetuses in trimesters 1 and 2; crown-rump length: 14...
January 2, 2018: Anatomical Record: Advances in Integrative Anatomy and Evolutionary Biology
https://www.readbyqxmd.com/read/29283508/the-lack-of-nasolacrimal-ducts-in-plethodontid-salamanders
#11
Dustin S Siegel, Michael S Taylor, David M Sever, Stanley E Trauth
Nasolacrimal ducts are a terrestrial vertebrate adaptation and appear to have co-evolved with orbital glands. Although plethodontid salamanders possess orbital glands, a recent study concluded that plethodontid salamanders lack nasolacrimal ducts. Functionally, the absence of nasolacrimal ducts closes the route for orbital gland secretion passage into the nasal and vomeronasal organ cavities. Orbital glands have been implicated in enhancement of vomeronasal function so loss could have important implications for communication...
December 28, 2017: Anatomical Record: Advances in Integrative Anatomy and Evolutionary Biology
https://www.readbyqxmd.com/read/29281864/long-term-effects-of-neonatal-hyperoxia-in-adult-mice
#12
Vasantha Hs Kumar, Huamei Wang, Sergei Kishkurno, Babu S Paturi, Lori Nielsen, Rita M Ryan
BACKGROUND: The outcomes of premature infants have improved greatly, however the health risks in adulthood are still relatively unclear. Bronchopulmonary dysplasia (BPD) in premature infants is a major risk factor producing alteration in lung function and predisposition to later respiratory morbidity, and is associated with hyperoxia. This study explores the effect of neonatal hyperoxia on organ systems in adult mice. METHODS: Newborn mouse litters were randomized to 85%O2 or room air (RA) on P3 for 12 days; mice were sacrificed at P3, P7, P15, 3 months and 9 months...
December 27, 2017: Anatomical Record: Advances in Integrative Anatomy and Evolutionary Biology
https://www.readbyqxmd.com/read/29281860/subchondral-bone-radiodensity-patterns-in-the-glenoid-fossa-of-ape-and-human-scapulae
#13
Biren A Patel, Joshua T Romanu, Kristian J Carlson
Regions of denser subchondral bone deep to a joint's articular surface indicate locations where the joint experiences relatively higher or more frequent compressive trans-articular forces than less dense regions. Human clinically-focused studies have hypothesized that regional variation of highest radiodensity (HiRD), acquired with computed tomography osteoabsorptiomety (CT-OAM), in the human glenoid fossa (GF) is specifically related to forces arising from everyday rotator cuff muscle function. We test this hypothesis by investigating the relationship between rotator cuff function and GF HiRD subchondral bone patterns in a broader comparative context...
December 27, 2017: Anatomical Record: Advances in Integrative Anatomy and Evolutionary Biology
https://www.readbyqxmd.com/read/29281859/another-case-of-pacinian-corpuscle-in-a-lymph-node
#14
LETTER
Arnaud Uguen
No abstract text is available yet for this article.
December 27, 2017: Anatomical Record: Advances in Integrative Anatomy and Evolutionary Biology
https://www.readbyqxmd.com/read/29278451/mir-128-regulates-genes-associated-with-inflammation-and-fibrosis-of-rat-kidney-cells-in-vitro
#15
Sukanya Shyamasundar, Cynthia Ong, Lin-Yue Lanry Yung, S Thameem Dheen, Boon Huat Bay
microRNAs (miRNAs) regulate diverse cellular functions and signaling pathways via inhibiting the expression of their target genes. Given that miR-128 mediates Mitogen-Activated Protein Kinase signaling and production of reactive oxygen species and pro-inflammatory chemokines in various types of cells and tissues, and that miR-128 is differentially expressed in aged and diseased kidneys, we hypothesized that miR-128 may play key roles in kidney inflammation. Hence, in this study, we evaluated the biological effects of miR-128 in normal rat kidney (NRK) cells in vitro...
December 26, 2017: Anatomical Record: Advances in Integrative Anatomy and Evolutionary Biology
https://www.readbyqxmd.com/read/29266881/study-of-endochondral-ossification-in-human-fetalcartilage-anlagen-of-metacarpals-comparative-morphology-of-mineral-deposition-in-cartilage-and-in-the-periosteal-bone-matrix
#16
Ugo E Pazzaglia, Marcella Reguzzoni, Francesca Pagani, Valeria Sibilia, Terenzio Congiu, Andrea G Salvi, Anna Benetti
The progression of mineral phase deposition in hypertrophic cartilage and periosteal bone matrix was studied in human metacarpals primary ossification centers before vascular invasion began. This study aimed to provide a morphologic/morphometric comparative analysis of the calcification process in cartilage and periosteal osteoid used as models of endochondral ossification. Thin, sequential sections from the same paraffin inclusions of metacarpal anlagen (gestational age between the 20th and 22nd weeks) were examined with light microscopy and scanning electron microscopy, either stained or heat-deproteinated...
December 20, 2017: Anatomical Record: Advances in Integrative Anatomy and Evolutionary Biology
https://www.readbyqxmd.com/read/29266854/age-size-and-growth-of-the-turkish-endemic-frog-pelophylax-caralitanus-anura-ranidae
#17
Ugur Cengiz Erismis
Pelophylax caralitanus is a medium-sized frog that is endemic to the upland Lake District of south-central Turkey and currently identified as a threatened species as a result of overharvesting and habitat modification. In this report, demographic data are provided for four major lakeside populations of this species based on a skeletochronological analysis of bone growth in large samples of frogs that were captured and released during 2011 and 2013. Adult males (aged 2 - 9 yr) and females (aged 2-10 yr) ranged in size from 66 to 105 mm snout-vent length (SVL) and 65 to 110 mm SVL, respectively, and typically attained sexual maturity in their second (low-elevation sites) or third (high-elevation sites) summer of growth following metamorphosis...
December 20, 2017: Anatomical Record: Advances in Integrative Anatomy and Evolutionary Biology
https://www.readbyqxmd.com/read/29266827/morphological-and-histological-study-on-the-foot-pads-of-the-anatolian-bobcat-lynx-lynx
#18
Hasan Hüseyin Ari, Nilgun Kuru, Sema Uslu, Ozge Ozdemir
This study was conducted to reveal the morphometric and morphological features of foot pads in the Anatolian bobcat (Lynx lynx). To achieve this objective, dissection, histological, and radiography techniques were applied to two dead materials obtained from the Republic of Turkey Ministry of Forest and Water Works Sivas Branch Manager. Digit I is radiographically rudimentary in the forepaw. The paws of the forelimb of the Anatolian bobcat have a carpal, a metacarpal, and four digital pads, while the hind feet have a metatarsal pad and four digital pads...
December 20, 2017: Anatomical Record: Advances in Integrative Anatomy and Evolutionary Biology
https://www.readbyqxmd.com/read/29266805/morphogenesis-of-the-middle-ear-during-fetal-development-as-observed-via-magnetic-resonance-imaging
#19
Sae Ohtsuki, Aoi Ishikawa, Shigehito Yamada, Hirohiko Imai, Tetsuya Matsuda, Tetsuya Takakuwa
Recently, our research group has utilized serial histological sections to investigate the morphogenesis of the middle ear, which corresponds to the period of middle ear ossicle (MEO) cartilage formation. However, research regarding middle ear development during the post-embryonic period has been limited. In the present study, we investigated morphogenesis of the middle ear in human fetuses with a crown-rump length (CRL) between 37 mm and 197 mm using high-resolution magnetic resonance imaging (MRI). Our findings indicated that the morphology of the middle ear ossicles is similar during fetal development and adulthood; further, growth of the MEOs nearly ceases once a CRL of 150 mm is attained...
December 20, 2017: Anatomical Record: Advances in Integrative Anatomy and Evolutionary Biology
https://www.readbyqxmd.com/read/29266784/polarized-ends-of-human-macula-densa-cells-ultrastructural-investigation-and-morphofunctional-correlations
#20
Angela Maria Cangiotti, Teresa Lorenzi, Maria Cristina Zingaretti, Mara Fabri, Manrico Morroni
The morphology of the kidney macula densa (MD) has extensively been investigated in animals, whereas human studies are scanty. We studied the fine structure of human MD cells focusing on their apical and basal ends and correlating structure and function. The MD region was examined by transmission electron microscopy in six renal biopsies from patients with kidney disease. Ultrastructural analysis of MD cells was performed on serial sections. MD cells show two polarized ends. The apical portion is characterized by a single, immotile cilium associated with microvilli; apically, cells are joined by adhering junctions...
December 20, 2017: Anatomical Record: Advances in Integrative Anatomy and Evolutionary Biology
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