SKU: 96742428741

Progressive Retinaatrophie B Typ 1 (PRA-B1)

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Description

Progressive Retinaatrophie B Typ 1 (PRA-B1)Die progressive Netzhautatrophie (PRA) bei Hunden ist eine Gruppe von genetisch heterogenen erblichen Netzhauterkrankungen, die durch progressive Netzhautdegeneration und den Tod von Photorezeptorzellen gekennzeichnet sind. PRA betrifft ber hundert Hunderassen. Derzeit wurden mehr als zwanzig Varianten in neunzehn Genen mit der Krankheit in Verbindung gebracht. Klinische Befunde bei PRA umfassen einen allmhlichen Verlust des Sehens und eine

Die progressive Netzhautatrophie (PRA) bei Hunden ist eine Gruppe von genetisch heterogenen erblichen Netzhauterkrankungen, die durch progressive Netzhautdegeneration und den Tod von Photorezeptorzellen gekennzeichnet sind. PRA betrifft über hundert Hunderassen. Derzeit wurden mehr als zwanzig Varianten in neunzehn Genen mit der Krankheit in Verbindung gebracht. Klinische Befunde bei PRA umfassen einen allmählichen Verlust des Sehens und eine Abschwächung der retinalen Blutgefäße, die aus der Degeneration der Photorezeptorschicht in der Netzhaut resultieren.

Bei Zwergschnauzern gibt es mehrere Formen von PRA, die sich im Alter des Auftretens und in der Geschlechtsverteilung unterscheiden (PRA B, PRA A). Bis vor kurzem wurde angenommen, dass das ursächliche Gen für PRA B PPT1 ist, jedoch betrug die Penetranz der getesteten Mutation nur 79 %, was einen großen Anteil der PRA B-Fälle unerklärt ließ. Im Jahr 2020 analysierten Kaukonen et al. PRA-betroffene Zwergschnauzer und fanden heraus, dass es 2 Typen von PRA B gibt – PRA B1, das mit dem HIVEP3-Gen assoziiert ist und die Mehrheit der Fälle erklärt, und PRA B2, das mit dem X-Chromosom assoziiert ist (zum jetzigen Zeitpunkt ist die Mutation nicht bekannt).

In unserem Labor testen wir die HIVEP3-Genmutation, die als vollständig penetrant und kongruent mit klinischen Zeichen nachgewiesen wurde. Nicht alle Fälle von PRA können durch diesen Gentest bei Zwergschnauzern erklärt werden, da mindestens eine distincte Form von PRA neben der HIVEP3-assoziierten PRA B1 in der Rasse vorhanden ist.

Vererbung: autosomal rezessiv

Mutation: HIVEP3-Gen

Gentest: Die verwendete Methode zum Testen ist äußerst genau und ermöglicht eine vollständige Differenzierung zwischen betroffenen Tieren, Trägern und gesunden Hunden. Der Test kann in jedem Alter durchgeführt werden.

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SKU: 96742428741

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4.5 ★★★★★
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J
Verified Purchase
Jennifer G
West Palm Beach, US
★★★★★ 3
Madison Deserved Better
Format: Kindle
Madison was a beta...except she wasn't any longer. She was a late presenting Omega. And she was struggling. She was tall and thin, not tiny and curvy. She was opinionated. She was everything an Omega was not. After suffering through her first heat, her friends took her to Ardor, a club where Omegas came to safely find Alphas. She's not expecting much but then she connects with a sexy beta. And when she meets his Alphas, they set her body on fire. Maybe, she's found her no-strings-attached heat pack. Maybe, she's found something more. I could not connect with the characters in this book, so their story never resonated with me. And there was no love story; there was sex. Grey made it clear from the beginning that he had a true love and it was his beta boy, Rian. He went so far as to reassure Rian “Say the word, I’ll never touch her again. Lucas can put the babies in her. I only need you, beta boy”. So, Madison was there for babies, no emotions needed. Nice. No, thank you. I want the Omega to be the center of their world, not an incubator. Lucas and Rian weren't any better. After her heat, they let her leave. Not one of them made her feel valued. No one gave her a reason to stay or even offered a cuddle. And the sex didn't even come across as mind-blowing. Madison deserved better.
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Reviewed in the United States on March 11, 2025
O
Verified Purchase
Oregon BookWorm
Belleville, US
★★★★★ 5
No breakup, very sweet, instalove
Format: Kindle
Omegaverse and doesn't disappoint! Sweet guys, newly Omega FMC. The boyfriends are boyfriends. What's not to love? No angst, no breakup.
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Reviewed in the United States on February 23, 2025
F
Verified Purchase
ForTheLOVEofBooks
Lowell, US
★★★★★ 4
Pretty Darn Good
Format: Kindle
So I’ve been on a omega kick and this definitely hit the spot. Madison was frustrating at times with how she acted towards Lucas, Gray, and Rian. It was like she said towards the end, she didn’t believe she deserved nice things. It would have been nice to hear from her best friends again. They kind of were there in the beginning and the gone except for mention of text messages received from them. I feel like her friends would have been great help in encouraging Madison to go with the pack and never give Brent another chance because he was toxic. I loved Rian. His personality was awesome. His humor. His ability to make Madison comfortable whenever she was feeling overwhelmed. And the fact he fell for her and she fell for him first. They are cute together. I do feel like Lucas was the odd man out though. Like Lucas didn’t develop as much of a relationship with Madison. I would have really liked to see more development in the relationship between them. It was also the same with him and Rian. There is really no relationship displayed. Most of the relationship being displayed is between Rian and Gray. Nevertheless, I loved reading about the dynamic that came to fruition during the entirety of this story. Madison finally got her happiness. And Brent finally got punched in the face. Everyone got exactly what they deserve.
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Reviewed in the United States on September 6, 2022
E
Verified Purchase
ediebegonia
Charlottesville, US
★★★★★ 3
Pack's Promise was okay but not great
Format: Kindle
Pack's Promise was okay but not great. I won't recommend it to anyone that I know. PRO: * Very likable characters * Lots of steamy scenes that are written very well * The spelling and grammar are good * The punctuation is good with the exception of using hyphens instead of commas. Lots of hyphens. Lots and lots of hyphens. CON: * Almost no interactions with any characters outside of Madison and the pack * Nearly no plot. They meet, get together for a heat, agree to make it permanent, done * Quite a few typos such as extraneous words, missing words and words out of order THINGS TO KNOW: * More steamy scenes than storytelling * A lot of MM & MMM, some MFMM during heat
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Reviewed in the United States on January 5, 2023
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Verified Purchase
LJM
Houston, US
★★★★★ 5
such a good read
Format: Kindle
Madison, Lucas, Grey and Rian were made for each other!!! First time reading from this author and I’m not disappointed!!! Absolutely love the Love in this book and couldn’t ask for a better OV!
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Reviewed in the United States on October 25, 2023

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