The character was central to many key storylines relating to issues such as perjury, abortion and surrogacy, and had relationships with David Platt (Jack P. Shepherd), Graeme Proctor (Craig Gazey), Tommy Duckworth (Chris Fountain), Dr. Matt Carter (Oliver Mellor) and Jason Grimshaw (Ryan Thomas), and had an affair with married man Peter Barlow (Chris Gascoyne).
Tina has also had feuds with Tracy Barlow (Kate Ford), Kylie Platt (Paula Lane) and Kirsty Soames (Natalie Gumede).
Tina was pushed from the balcony and beaten with a lead pipe by Rob Donovan (Marc Baylis), before dying of her injuries on 2 June 2014.
Feeling guilty and wanting to be punished, David goes on a violent rampage, smashing windows in the street and attacking Ken Barlow (William Roache).
Tina gets a job at The Kabin newsagents and develops a strong friendship with her boss Rita Sullivan (Barbara Knox).
In 2009, Tina starts dating Jason Grimshaw (Ryan Thomas) and they buy the flat above The Kabin, renovating it together, assisted by Joe.
Tina is worried about her father as she has not heard from him and Joe goes missing, having planned to fake his own death in a boating accident in order to use his life insurance to pay off a loan shark.
David's friend, Graeme Proctor (Craig Gazey), tries to help her and when he learns Tina has stopped eating, he moves in to look after her.
In February 2011, during a Valentine's Day meal with Graeme, Tina discovers the waitress is an old friend, Xin Chiang (Elizabeth Tan), and sees that she is upset.
Tommy Duckworth (Chris Fountain) later pursues Tina after she moves in with him and Tyrone Dobbs (Alan Halsall) after Dev evicts her.
They go out for the evening, but Tommy finds a list of "pros and cons" she wrote while deciding whether to go out with him and is upset to see that she describes him as immature.
He demands Tommy drive a car packed with cocaine to Amsterdam but Tina takes the drugs and informs the police.
In August, Tina is stunned to learn that Tyrone's new girlfriend, Kirsty Soames (Natalie Gumede), is physically abusing him.
In September 2012, Tommy is injured when he crashes a pizza delivery van after falling asleep at the wheel, due to exhaustion.
Kirsty also convinces Jason to sell the flat to his aunt, Julie Carp (Katy Cavanagh), evicting Tommy and Tina.
Izzy and Gary are outraged and she promises to repay the surrogacy money; leading to another row and Tina stops them visiting the baby.
There are further shocks for Tina when David tells her that Kylie and his half-brother Nick Tilsley (Ben Price), had a one-night stand on Christmas Day 2012.
Peter tells her that his fiancée, Carla Connor (Alison King), Rob's sister, is planning their wedding and he is not sure he wants to get married.
Peter and Carla leave for their honeymoon and returns a few weeks later, telling Tina that he wants to make his marriage work.
Whilst they are in the Bistro, Tracy and her mother Deirdre Barlow (Anne Kirkbride) arrive and when they see Tina and Rob together it causes an argument.
Tina confides in her new flatmate Steph Britton (Tisha Merry), claiming that "a friend" of hers is seeing a married man.
However, after he starts worrying about Rob finding out, Peter agrees to run away with Tina and after packing her bags, she goes to say goodbye to Rita.
After he leaves, Rob visits and begs her not to tell Carla but Tina refuses and reveals that she knows he and Tracy are selling illegal stock and threatens to report them to the police.
Tina McIntyre was cast in the soap to portray a short-term girlfriend of character David Platt, to help change his evil ways.
I will miss Tina and will always be grateful to ITV and Coronation Street for giving me such an amazing role to play for my first ever acting job.
"[7] Keegan added that she was excited to see what the coming months would hold for Tina, while series producer Stuart Blackburn commented that plans were being made for her "powerful and gripping" exit storyline.
[8] Ian Wylie of Manchester Evening News commented on Keegan's nomination as best newcomer at The British Soap Awards 2008 and her portrayal of the character saying "Coronation Street’s Michelle Keegan is nominated as Best Newcomer, fully deserved even after just a few months on screen" and "teen rebel Tina McIntyre, played by Michelle, reminds many of a young Suranne Jones as Karen McDonald.
[14] Jon Wise of The People observed her as bolder than Liz McDonald's (Beverley Callard) make-up and brassier than Leanne Battersby (Jane Danson).
[15] The Daily Mirror added that she had gained a notable army of fans because of her character's personality and Keegan's natural acting style.
[16] On Digital Spy's 2012 end of year reader poll, Keegan was nominated for Best Female Soap Actor, and came second, with 14.2% of the vote.