study of homing ability of meadow mice (Microtus pennsylvanicus) by William Laughlin Robinson

Cover of: study of homing ability of meadow mice (Microtus pennsylvanicus) | William Laughlin Robinson

Published in [Toronto] .

Written in English

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  • Animal behavior.,
  • Field mice

Edition Notes

Book details

ContributionsToronto, Ont. University.
The Physical Object
Pagination163 leaves.
Number of Pages163
ID Numbers
Open LibraryOL18952101M

Download study of homing ability of meadow mice (Microtus pennsylvanicus)

A Study of Homing of Meadow Mice WILLIAM L. ROBINSON' and J. BRUCE FALLS Department of Zoology, University study of homing ability of meadow mice book Toronto, Ontario ABSTRACT: In an investigation of the means by which meadow mice find their way home, more than mice were displaced.

The percentage of mice homing decreased with increasing displacement distance, but the. The survival of blind mice was not significantly different than that of intact mice during at least 7 days subsequent to release on the plots where captured. The homing and survival responses to loss of vision are discussed.

Homing, the ability to return to a locality when displaced, has been demonstrated. Authors currently disagree as to whether random scatter, familiarity with a large area, or navigation is the basic mechanism of homing in rodents.

Starting from the behavior of animals that fail to Cited by: Homing ability of the cotton rat, Sigmodon hispidus, was studied near Mountain Creek Lake, Dallas Co., Texas, between June and February Cotton rats homed from displacements of m to.

One study of blinded mice implicates vision as a means of study of homing ability of meadow mice book, as does reinterpretation of the results of another. In our study success in homing was high from up to m, suggesting that normal home ranges may extend well beyond trap-revealed ranges.

The ability to orientduring displacement may be by: 7. the gray squirrel's homing ability, which has been described as " ••• the basic urge, desire or instinct to return to territory from some point of displacement" (Wilson ), could. Long-distance homing in meadow voles, (Microtus pennsylvanicus).

J Mammal. ;–3. 3 Teferi T, Millar JS. Long distance homing by the deer mouse, Peromyscus maniculatus. Can Field Nat. ;–11; 4 Robinson WL, Falls JB. A study of homing of meadow mice. Am Midl Nat. ;– All credits to the editors of EID Journal. On a study of the impact of small mammals on northern red oak regeneration by Colleen A.

DeLong and Richard from October until December in Huntingdon County, Pennsylvania, they attributed most red oak acorn loss to white-footed mice from 67% to 88% in autumn and 94% to % in spring in a section of mature forest where they had planted red oak acorns.

Summary. Alone in the bunkhouse, George thanks Slim for giving Lennie a pup. Slim comments on Lennie's ability to work hard and mentions that it is obvious Lennie is not too bright. Slim then asks why Lennie and George go around together because most of the ranch hands he's seen are always alone and "[n]ever seem to give a damn about nobody.".

Newborn mice can be narcotized in a small plastic bag with CO 2 from a gas cylinder, the bag is sealed, then the mice are euthanized by placing in a freezer. Complete CWRU IACUC regulations and recommendations on acceptable methods of euthanasia of fetal mice (over 14 days of gestation), newborn mice and young mice are available here.

The Morris water maze is widely used to evaluate to evaluate the spatial learning ability of rodents under laboratory settings. The present study demonstrates that reproductive male meadow voles, Microtus pennsylvanicus, are able to acquire and retain a spatial water maze task using celestial were able to acquire a modified outdoor Morris water maze task over 4 trials per day.

A study of homing of meadow mice. Amer. Nat., 73, Wecker, S., The role of early experience in habitat selection by the prairie deer mouse Peromyscus maniculatus. This study demonstrates that efficient oligonucleotide delivery can be achieved with CPconjugated exosomes in mice.

The ability to mix and match targeting and cargo moieties with ready-made exosomes from different cellular sources gives researchers a tool to rapidly deliver macromolecules into specific tissues to answer specific biological. of the immunophenotype, homing ability, engraftment properties, cytokine responsiveness and radiation sensitivity of repopulating cells.

Mouse Cells The hematopoietic potential of mouse HSCs is assayed by injection into mice in which hematopoiesis has been suppressed by irradiation or other methods, and measuring the repopulation. Homing ability, site fidelity, and navigational proficiency of rodents are well documented (5,6).

Teferi and Millar studied the homing ability of deer mice in Alberta, Canada; 50% of deer mice in that study returned to their home sites (a short-grass prairie habitat). The mice traveled m to 1, m (mean 1, m) and had to cross a river. In this study, we provide the first measurements of the hour BM seeding or homing efficiency of IV-transplanted murine HSCs identified by their competitive multilineage repopulating ability.

Our results indicate that ∼10% of all transplantable HSCs in either normal adult mouse BM or day FL are recovered from the BM one day after IV. The study of MSC homing following mobilization of host MSCs, or following systemic infusion of exogenous MSCs, is extremely complex.

The challenges facing these efforts are due to a number of factors, including the lack of universally accepted criteria for defining the MSC phenotype and their functional properties, by the rare presence of MSCs within blood, and by the diverse methods.

Studies in both humans and mice have shown that substantial numbers of T EM persist in the lung airways after the resolution of respiratory virus infections. The numbers of T EM in the lung airways gradually decline over the first 6 mo after infection and then stabilize as a relatively small population of memory T cells that is maintained in the lung airways indefinitely (Ostler et al., Meadow mice are capable of breeding year-round, although the number of young born will peak during the spring and fall months.

After mating, there is a 3 week gestation period; the females will then give birth to between 1 and 8 young. The young meadow mice are born hairless and helpless, but mature quickly. They are ready to wean at weeks. Furthermore, using the same strategy, we compared the homing ability of WT or HIF1 HIF has been shown to be involved in cancer development.

17,23,38 In this study, we used mice with conditional deletion for HIF1α to provide the first evidence for an essential role of HIF1α in CML development and maintenance of LSCs.

Support for the latter is provided by a study of short-term HSC homing that reported a twofold lower ability of functionally defined HSCs from old mice to home to the BM or spleen within a 24 h period (Liang et al., ). Subsequently, when transplanted into WT mice, TNC −/− LMPPs showed a significantly reduced ability to home back to the BM.

The decreased number of ETPs, progenitors, and T cells in the thymus of TNC −/− mice in concert with the appearance of ETP in the LNs and spleen suggests that TNC binding to α 9 β 1 on LMPP and ETP is important. The best laid schemes o' Mice an' Men, the best-laid schemes of Mice and Men Gang aft agley, go oft awry, An' lea'e us nought but grief an' pain, and leave us only grief and pain, For promis'd joy.

for promised joy. Still, thou art blest, compar'd wi' me. Still, friend, you're blessed compared with me. Homing ability, site fidelity, and navigational proficiency of rodents are well documented (5,6). Teferi and Millar (7) studied the homing ability of deer mice in Alberta, Canada; 50% of deer mice in that study returned to their home sites (a short-grass prairie habitat).

The mice traveled m to 1, m (mean 1, m) and had to cross. To evaluate the overall ability of Aio −/− mice to mount a high affinity AFC response, the total number of AFCs (mostly obtained from BM and spleen) was examined.

After the first encounter with Ag, the total number of high affinity NP-specific AFCs in Aio −/− mice was on average fold lower than WT (Fig.

3 A, from day 14 to ). Mycolactone Induces T-Cell Depletion in PLNs. In mice injected with mycolactone via the s.c. route, we observed a macroscopic and dose-dependent reduction in the size of all PLNs (as illustrated in Fig.

1A by inguinal LNs). This effect was maximal after 24 h and persisted for a few days (>5 d with μg of mycolactone). Our study illuminates the role of DCs in CCR4 expression and the role of CCR4 in tissue-selective T cell homing. Although nearly all CLA + CD4 + T cells in the skin and the blood are CCR4 + (Campbell et al., ; Kunkel et al., ; Soler et al., ; Clark et al., ), skin DCs have not been shown to imprint CCR4 expression.

Mice are small rodents with pointed noses, furry round bodies, large ears and long, often hairless, tails. There are hundreds of species of mice. In conclusion, this study implicates the role of ROS in perturbation of stromal cell function upon aging, which in turn affects BM's reconstitution ability in aged mice.

Thus, a rejuvenation therapy using curcumin, before HSPC transplantation, is found to be an efficient strategy for successful marrow reconstitution in older mice. Of Mice and Men is a novella by John Steinbeck. Set during the Great Depression, the book tells the story of George Milton and Lennie Small, two migrant workers and long-time friends employed on a ranch in California.

In agreement with the transfer studies in B6-plt/plt mice, the pretreatment of splenocytes with CCL19 and CXCL12 markedly suppressed B cell homing to lymph nodes, whereas the pretreatment with either chemokine alone caused only a small or no reduction of B cell homing ability (Fig.

3 B). While the DNA prime-MVA boost vaccination regimen, as well as several other HIV vaccine approaches (7, 11), are effective at inducing virus-specific CD8 + T cells, no information is presently available regarding the mucosal homing ability of cells induced by these vaccines, and little is known about their protective effects.

The onset of weight loss in Itk −/− mice to DSS treatment is immediate (D1 of post treatment), which argues against a contribution of T cells to disease progression in DSS-treated Itk −/− mice. In the present study, we showed IL-2c injection restores intestinal ILC2 numbers in Itk −/− mice, while IL injection failed to exert such.

Homing of lymphocytes to inflamed tissue is guided by chemokines, 30, 31 We have reported that CXCL10 is upregulated on inflamed human sinusoids where it can act to recruit Tregs expressing its receptor CXCR Consistent with this, mice lacking CXCR3 show a loss of immune tolerance and exacerbated hepatitis We infused the autologous.

Checkpoint inhibitor (CPI) immunotherapies have revolutionized the treatment of a wide array of cancers, but their utility remains limited to a subset of patients with favorable disease phenotypes.

We show that the generation of peptide-based nanocomplexes carrying immunostimulatory oligonucleotides dramatically increases the potency of certain of these compounds to stimulate toll-like.

John Steinbeck's Of Mice and Men, published inis one of the author's most widely read novels, largely due to its ubiquitous presence in the high school a result, this mythic story of two opposites - the clever, wiry George Milton and the lumbering, powerful Lennie Small - has assumed an important place in the American literary canon.

The use of immunodeficient strains of mice, immunodepletion studies with specific monoclonal antibodies (MAbs), and passive transfer of purified cells are three basic, complementary experimental approaches that have been used for this purpose, and are the subject of this chapter.

have proven particularly useful in the study of immunity to. Introduction. D endritic cells (DCs) were first described by Steinman and Cohn in 1 Since their discovery, there have been an increasing number of studies conducted on DCs to understand their immunobiology and the role played by these cells in the immune system.

2–4 DCs are the most powerful professional antigen-presenting cells (APC) and possess the ability to initiate both arms of. Of Mice and Men’s tragic conclusion is heavily foreshadowed from the very beginning of the foreshadowing emphasizes how George and Lennie’s sad fate is unavoidable, and also contributes to the novella’s broader argument that the lives of working-class.

RESEARCH DESIGN AND METHODS. Mice used in this study were bred and housed at the Louisiana State University Health Sciences Center Shreveport animal resource facility, an Association for Assessment and Accreditation of Laboratory Animal Care International–accredited facility, and maintained according to the National Research Council's Guide for Care and Use of Laboratory Animals.

The involvement of adhesion molecule in the process of T-cell homing to the pancreas was investigated in the model of the T-cell transfer of type I diabetes in NOD mice. Treatment of mice using monoclonal anti-lymphocyte function associated antigen (LFA)-l, anti-integrin α4, anti-intercellular adhesion molecule (ICAM)-1, and anti-L-selectin antibodies (monoclonal antibodies [mAbs]) gave rise.

In a concomitant experiment, Alzheimer-diseased (AD) mice were given multiple (every 10 days) PBMT to the BM from age 4–6 months. 18 In this mice model, at 4 months of age the mice showed a well-established memory loss and accumulation of β-amyloids in the brain. Nonlaser, sham-treated, AD mice served as control.To study the effect of TGF-β1 inhibition on survival and engraftment of LTR-HSCs, mice were lethally irradiated with rads and anti-TGF-β1 antibody–treated LTR-HSCs were transplanted.

As shown in Fig. 1 A, isotype antibody-treated LTR-HSC did not mediate survival of lethally irradiated mice over a range of 30– cells per mouse, and.

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